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b534c6d3 | 1 | /* tc-i386.c -- Assemble code for the Intel 80386 |
250d07de | 2 | Copyright (C) 1989-2021 Free Software Foundation, Inc. |
252b5132 RH |
3 | |
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
9 | any later version. |
10 | ||
11 | GAS is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
18 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
19 | 02110-1301, USA. */ | |
252b5132 | 20 | |
47926f60 KH |
21 | /* Intel 80386 machine specific gas. |
22 | Written by Eliot Dresselhaus (eliot@mgm.mit.edu). | |
3e73aa7c | 23 | x86_64 support by Jan Hubicka (jh@suse.cz) |
0f10071e | 24 | VIA PadLock support by Michal Ludvig (mludvig@suse.cz) |
47926f60 KH |
25 | Bugs & suggestions are completely welcome. This is free software. |
26 | Please help us make it better. */ | |
252b5132 | 27 | |
252b5132 | 28 | #include "as.h" |
3882b010 | 29 | #include "safe-ctype.h" |
252b5132 | 30 | #include "subsegs.h" |
316e2c05 | 31 | #include "dwarf2dbg.h" |
54cfded0 | 32 | #include "dw2gencfi.h" |
d2b2c203 | 33 | #include "elf/x86-64.h" |
40fb9820 | 34 | #include "opcodes/i386-init.h" |
41fd2579 | 35 | #include <limits.h> |
41fd2579 | 36 | |
c3332e24 | 37 | #ifndef INFER_ADDR_PREFIX |
eecb386c | 38 | #define INFER_ADDR_PREFIX 1 |
c3332e24 AM |
39 | #endif |
40 | ||
29b0f896 AM |
41 | #ifndef DEFAULT_ARCH |
42 | #define DEFAULT_ARCH "i386" | |
246fcdee | 43 | #endif |
252b5132 | 44 | |
edde18a5 AM |
45 | #ifndef INLINE |
46 | #if __GNUC__ >= 2 | |
47 | #define INLINE __inline__ | |
48 | #else | |
49 | #define INLINE | |
50 | #endif | |
51 | #endif | |
52 | ||
6305a203 L |
53 | /* Prefixes will be emitted in the order defined below. |
54 | WAIT_PREFIX must be the first prefix since FWAIT is really is an | |
55 | instruction, and so must come before any prefixes. | |
56 | The preferred prefix order is SEG_PREFIX, ADDR_PREFIX, DATA_PREFIX, | |
42164a71 | 57 | REP_PREFIX/HLE_PREFIX, LOCK_PREFIX. */ |
6305a203 L |
58 | #define WAIT_PREFIX 0 |
59 | #define SEG_PREFIX 1 | |
60 | #define ADDR_PREFIX 2 | |
61 | #define DATA_PREFIX 3 | |
c32fa91d | 62 | #define REP_PREFIX 4 |
42164a71 | 63 | #define HLE_PREFIX REP_PREFIX |
7e8b059b | 64 | #define BND_PREFIX REP_PREFIX |
c32fa91d | 65 | #define LOCK_PREFIX 5 |
4e9ac44a L |
66 | #define REX_PREFIX 6 /* must come last. */ |
67 | #define MAX_PREFIXES 7 /* max prefixes per opcode */ | |
6305a203 L |
68 | |
69 | /* we define the syntax here (modulo base,index,scale syntax) */ | |
70 | #define REGISTER_PREFIX '%' | |
71 | #define IMMEDIATE_PREFIX '$' | |
72 | #define ABSOLUTE_PREFIX '*' | |
73 | ||
74 | /* these are the instruction mnemonic suffixes in AT&T syntax or | |
75 | memory operand size in Intel syntax. */ | |
76 | #define WORD_MNEM_SUFFIX 'w' | |
77 | #define BYTE_MNEM_SUFFIX 'b' | |
78 | #define SHORT_MNEM_SUFFIX 's' | |
79 | #define LONG_MNEM_SUFFIX 'l' | |
80 | #define QWORD_MNEM_SUFFIX 'q' | |
6305a203 L |
81 | /* Intel Syntax. Use a non-ascii letter since since it never appears |
82 | in instructions. */ | |
83 | #define LONG_DOUBLE_MNEM_SUFFIX '\1' | |
84 | ||
85 | #define END_OF_INSN '\0' | |
86 | ||
79dec6b7 JB |
87 | /* This matches the C -> StaticRounding alias in the opcode table. */ |
88 | #define commutative staticrounding | |
89 | ||
6305a203 L |
90 | /* |
91 | 'templates' is for grouping together 'template' structures for opcodes | |
92 | of the same name. This is only used for storing the insns in the grand | |
93 | ole hash table of insns. | |
94 | The templates themselves start at START and range up to (but not including) | |
95 | END. | |
96 | */ | |
97 | typedef struct | |
98 | { | |
d3ce72d0 NC |
99 | const insn_template *start; |
100 | const insn_template *end; | |
6305a203 L |
101 | } |
102 | templates; | |
103 | ||
104 | /* 386 operand encoding bytes: see 386 book for details of this. */ | |
105 | typedef struct | |
106 | { | |
107 | unsigned int regmem; /* codes register or memory operand */ | |
108 | unsigned int reg; /* codes register operand (or extended opcode) */ | |
109 | unsigned int mode; /* how to interpret regmem & reg */ | |
110 | } | |
111 | modrm_byte; | |
112 | ||
113 | /* x86-64 extension prefix. */ | |
114 | typedef int rex_byte; | |
115 | ||
6305a203 L |
116 | /* 386 opcode byte to code indirect addressing. */ |
117 | typedef struct | |
118 | { | |
119 | unsigned base; | |
120 | unsigned index; | |
121 | unsigned scale; | |
122 | } | |
123 | sib_byte; | |
124 | ||
6305a203 L |
125 | /* x86 arch names, types and features */ |
126 | typedef struct | |
127 | { | |
128 | const char *name; /* arch name */ | |
8a2c8fef | 129 | unsigned int len; /* arch string length */ |
6305a203 L |
130 | enum processor_type type; /* arch type */ |
131 | i386_cpu_flags flags; /* cpu feature flags */ | |
8a2c8fef | 132 | unsigned int skip; /* show_arch should skip this. */ |
6305a203 L |
133 | } |
134 | arch_entry; | |
135 | ||
293f5f65 L |
136 | /* Used to turn off indicated flags. */ |
137 | typedef struct | |
138 | { | |
139 | const char *name; /* arch name */ | |
140 | unsigned int len; /* arch string length */ | |
141 | i386_cpu_flags flags; /* cpu feature flags */ | |
142 | } | |
143 | noarch_entry; | |
144 | ||
78f12dd3 | 145 | static void update_code_flag (int, int); |
e3bb37b5 L |
146 | static void set_code_flag (int); |
147 | static void set_16bit_gcc_code_flag (int); | |
148 | static void set_intel_syntax (int); | |
1efbbeb4 | 149 | static void set_intel_mnemonic (int); |
db51cc60 | 150 | static void set_allow_index_reg (int); |
7bab8ab5 | 151 | static void set_check (int); |
e3bb37b5 | 152 | static void set_cpu_arch (int); |
6482c264 | 153 | #ifdef TE_PE |
e3bb37b5 | 154 | static void pe_directive_secrel (int); |
6482c264 | 155 | #endif |
e3bb37b5 L |
156 | static void signed_cons (int); |
157 | static char *output_invalid (int c); | |
ee86248c JB |
158 | static int i386_finalize_immediate (segT, expressionS *, i386_operand_type, |
159 | const char *); | |
160 | static int i386_finalize_displacement (segT, expressionS *, i386_operand_type, | |
161 | const char *); | |
a7619375 | 162 | static int i386_att_operand (char *); |
e3bb37b5 | 163 | static int i386_intel_operand (char *, int); |
ee86248c JB |
164 | static int i386_intel_simplify (expressionS *); |
165 | static int i386_intel_parse_name (const char *, expressionS *); | |
e3bb37b5 L |
166 | static const reg_entry *parse_register (char *, char **); |
167 | static char *parse_insn (char *, char *); | |
168 | static char *parse_operands (char *, const char *); | |
169 | static void swap_operands (void); | |
783c187b | 170 | static void swap_2_operands (unsigned int, unsigned int); |
48bcea9f | 171 | static enum flag_code i386_addressing_mode (void); |
e3bb37b5 L |
172 | static void optimize_imm (void); |
173 | static void optimize_disp (void); | |
83b16ac6 | 174 | static const insn_template *match_template (char); |
e3bb37b5 L |
175 | static int check_string (void); |
176 | static int process_suffix (void); | |
177 | static int check_byte_reg (void); | |
178 | static int check_long_reg (void); | |
179 | static int check_qword_reg (void); | |
180 | static int check_word_reg (void); | |
181 | static int finalize_imm (void); | |
182 | static int process_operands (void); | |
5e042380 | 183 | static const reg_entry *build_modrm_byte (void); |
e3bb37b5 L |
184 | static void output_insn (void); |
185 | static void output_imm (fragS *, offsetT); | |
186 | static void output_disp (fragS *, offsetT); | |
29b0f896 | 187 | #ifndef I386COFF |
e3bb37b5 | 188 | static void s_bss (int); |
252b5132 | 189 | #endif |
17d4e2a2 L |
190 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
191 | static void handle_large_common (int small ATTRIBUTE_UNUSED); | |
b4a3a7b4 L |
192 | |
193 | /* GNU_PROPERTY_X86_ISA_1_USED. */ | |
194 | static unsigned int x86_isa_1_used; | |
195 | /* GNU_PROPERTY_X86_FEATURE_2_USED. */ | |
196 | static unsigned int x86_feature_2_used; | |
197 | /* Generate x86 used ISA and feature properties. */ | |
198 | static unsigned int x86_used_note = DEFAULT_X86_USED_NOTE; | |
17d4e2a2 | 199 | #endif |
252b5132 | 200 | |
a847613f | 201 | static const char *default_arch = DEFAULT_ARCH; |
3e73aa7c | 202 | |
8a6fb3f9 JB |
203 | /* parse_register() returns this when a register alias cannot be used. */ |
204 | static const reg_entry bad_reg = { "<bad>", OPERAND_TYPE_NONE, 0, 0, | |
205 | { Dw2Inval, Dw2Inval } }; | |
206 | ||
34684862 | 207 | static const reg_entry *reg_eax; |
5e042380 JB |
208 | static const reg_entry *reg_ds; |
209 | static const reg_entry *reg_es; | |
210 | static const reg_entry *reg_ss; | |
6288d05f | 211 | static const reg_entry *reg_st0; |
6225c532 JB |
212 | static const reg_entry *reg_k0; |
213 | ||
c0f3af97 L |
214 | /* VEX prefix. */ |
215 | typedef struct | |
216 | { | |
43234a1e L |
217 | /* VEX prefix is either 2 byte or 3 byte. EVEX is 4 byte. */ |
218 | unsigned char bytes[4]; | |
c0f3af97 L |
219 | unsigned int length; |
220 | /* Destination or source register specifier. */ | |
221 | const reg_entry *register_specifier; | |
222 | } vex_prefix; | |
223 | ||
252b5132 | 224 | /* 'md_assemble ()' gathers together information and puts it into a |
47926f60 | 225 | i386_insn. */ |
252b5132 | 226 | |
520dc8e8 AM |
227 | union i386_op |
228 | { | |
229 | expressionS *disps; | |
230 | expressionS *imms; | |
231 | const reg_entry *regs; | |
232 | }; | |
233 | ||
a65babc9 L |
234 | enum i386_error |
235 | { | |
86e026a4 | 236 | operand_size_mismatch, |
a65babc9 L |
237 | operand_type_mismatch, |
238 | register_type_mismatch, | |
239 | number_of_operands_mismatch, | |
240 | invalid_instruction_suffix, | |
241 | bad_imm4, | |
a65babc9 L |
242 | unsupported_with_intel_mnemonic, |
243 | unsupported_syntax, | |
6c30d220 | 244 | unsupported, |
260cd341 | 245 | invalid_sib_address, |
6c30d220 | 246 | invalid_vsib_address, |
7bab8ab5 | 247 | invalid_vector_register_set, |
260cd341 | 248 | invalid_tmm_register_set, |
43234a1e L |
249 | unsupported_vector_index_register, |
250 | unsupported_broadcast, | |
43234a1e L |
251 | broadcast_needed, |
252 | unsupported_masking, | |
253 | mask_not_on_destination, | |
254 | no_default_mask, | |
255 | unsupported_rc_sae, | |
256 | rc_sae_operand_not_last_imm, | |
257 | invalid_register_operand, | |
a65babc9 L |
258 | }; |
259 | ||
252b5132 RH |
260 | struct _i386_insn |
261 | { | |
47926f60 | 262 | /* TM holds the template for the insn were currently assembling. */ |
d3ce72d0 | 263 | insn_template tm; |
252b5132 | 264 | |
7d5e4556 L |
265 | /* SUFFIX holds the instruction size suffix for byte, word, dword |
266 | or qword, if given. */ | |
252b5132 RH |
267 | char suffix; |
268 | ||
9a182d04 JB |
269 | /* OPCODE_LENGTH holds the number of base opcode bytes. */ |
270 | unsigned char opcode_length; | |
271 | ||
47926f60 | 272 | /* OPERANDS gives the number of given operands. */ |
252b5132 RH |
273 | unsigned int operands; |
274 | ||
275 | /* REG_OPERANDS, DISP_OPERANDS, MEM_OPERANDS, IMM_OPERANDS give the number | |
276 | of given register, displacement, memory operands and immediate | |
47926f60 | 277 | operands. */ |
252b5132 RH |
278 | unsigned int reg_operands, disp_operands, mem_operands, imm_operands; |
279 | ||
280 | /* TYPES [i] is the type (see above #defines) which tells us how to | |
520dc8e8 | 281 | use OP[i] for the corresponding operand. */ |
40fb9820 | 282 | i386_operand_type types[MAX_OPERANDS]; |
252b5132 | 283 | |
520dc8e8 AM |
284 | /* Displacement expression, immediate expression, or register for each |
285 | operand. */ | |
286 | union i386_op op[MAX_OPERANDS]; | |
252b5132 | 287 | |
3e73aa7c JH |
288 | /* Flags for operands. */ |
289 | unsigned int flags[MAX_OPERANDS]; | |
290 | #define Operand_PCrel 1 | |
c48dadc9 | 291 | #define Operand_Mem 2 |
3e73aa7c | 292 | |
252b5132 | 293 | /* Relocation type for operand */ |
f86103b7 | 294 | enum bfd_reloc_code_real reloc[MAX_OPERANDS]; |
252b5132 | 295 | |
252b5132 RH |
296 | /* BASE_REG, INDEX_REG, and LOG2_SCALE_FACTOR are used to encode |
297 | the base index byte below. */ | |
298 | const reg_entry *base_reg; | |
299 | const reg_entry *index_reg; | |
300 | unsigned int log2_scale_factor; | |
301 | ||
302 | /* SEG gives the seg_entries of this insn. They are zero unless | |
47926f60 | 303 | explicit segment overrides are given. */ |
5e042380 | 304 | const reg_entry *seg[2]; |
252b5132 | 305 | |
8325cc63 JB |
306 | /* Copied first memory operand string, for re-checking. */ |
307 | char *memop1_string; | |
308 | ||
252b5132 RH |
309 | /* PREFIX holds all the given prefix opcodes (usually null). |
310 | PREFIXES is the number of prefix opcodes. */ | |
311 | unsigned int prefixes; | |
312 | unsigned char prefix[MAX_PREFIXES]; | |
313 | ||
50128d0c | 314 | /* Register is in low 3 bits of opcode. */ |
5b7c81bd | 315 | bool short_form; |
50128d0c | 316 | |
6f2f06be | 317 | /* The operand to a branch insn indicates an absolute branch. */ |
5b7c81bd | 318 | bool jumpabsolute; |
6f2f06be | 319 | |
921eafea L |
320 | /* Extended states. */ |
321 | enum | |
322 | { | |
323 | /* Use MMX state. */ | |
324 | xstate_mmx = 1 << 0, | |
325 | /* Use XMM state. */ | |
326 | xstate_xmm = 1 << 1, | |
327 | /* Use YMM state. */ | |
328 | xstate_ymm = 1 << 2 | xstate_xmm, | |
329 | /* Use ZMM state. */ | |
330 | xstate_zmm = 1 << 3 | xstate_ymm, | |
331 | /* Use TMM state. */ | |
32930e4e L |
332 | xstate_tmm = 1 << 4, |
333 | /* Use MASK state. */ | |
334 | xstate_mask = 1 << 5 | |
921eafea | 335 | } xstate; |
260cd341 | 336 | |
e379e5f3 | 337 | /* Has GOTPC or TLS relocation. */ |
5b7c81bd | 338 | bool has_gotpc_tls_reloc; |
e379e5f3 | 339 | |
252b5132 | 340 | /* RM and SIB are the modrm byte and the sib byte where the |
c1e679ec | 341 | addressing modes of this insn are encoded. */ |
252b5132 | 342 | modrm_byte rm; |
3e73aa7c | 343 | rex_byte rex; |
43234a1e | 344 | rex_byte vrex; |
252b5132 | 345 | sib_byte sib; |
c0f3af97 | 346 | vex_prefix vex; |
b6169b20 | 347 | |
6225c532 JB |
348 | /* Masking attributes. |
349 | ||
350 | The struct describes masking, applied to OPERAND in the instruction. | |
351 | REG is a pointer to the corresponding mask register. ZEROING tells | |
352 | whether merging or zeroing mask is used. */ | |
353 | struct Mask_Operation | |
354 | { | |
355 | const reg_entry *reg; | |
356 | unsigned int zeroing; | |
357 | /* The operand where this operation is associated. */ | |
358 | unsigned int operand; | |
359 | } mask; | |
43234a1e L |
360 | |
361 | /* Rounding control and SAE attributes. */ | |
ca5312a2 JB |
362 | struct RC_Operation |
363 | { | |
364 | enum rc_type | |
365 | { | |
366 | rc_none = -1, | |
367 | rne, | |
368 | rd, | |
369 | ru, | |
370 | rz, | |
371 | saeonly | |
372 | } type; | |
373 | ||
374 | unsigned int operand; | |
375 | } rounding; | |
43234a1e | 376 | |
5273a3cd JB |
377 | /* Broadcasting attributes. |
378 | ||
379 | The struct describes broadcasting, applied to OPERAND. TYPE is | |
380 | expresses the broadcast factor. */ | |
381 | struct Broadcast_Operation | |
382 | { | |
383 | /* Type of broadcast: {1to2}, {1to4}, {1to8}, or {1to16}. */ | |
384 | unsigned int type; | |
385 | ||
386 | /* Index of broadcasted operand. */ | |
387 | unsigned int operand; | |
388 | ||
389 | /* Number of bytes to broadcast. */ | |
390 | unsigned int bytes; | |
391 | } broadcast; | |
43234a1e L |
392 | |
393 | /* Compressed disp8*N attribute. */ | |
394 | unsigned int memshift; | |
395 | ||
86fa6981 L |
396 | /* Prefer load or store in encoding. */ |
397 | enum | |
398 | { | |
399 | dir_encoding_default = 0, | |
400 | dir_encoding_load, | |
64c49ab3 JB |
401 | dir_encoding_store, |
402 | dir_encoding_swap | |
86fa6981 | 403 | } dir_encoding; |
891edac4 | 404 | |
41eb8e88 | 405 | /* Prefer 8bit, 16bit, 32bit displacement in encoding. */ |
a501d77e L |
406 | enum |
407 | { | |
408 | disp_encoding_default = 0, | |
409 | disp_encoding_8bit, | |
41eb8e88 | 410 | disp_encoding_16bit, |
a501d77e L |
411 | disp_encoding_32bit |
412 | } disp_encoding; | |
f8a5c266 | 413 | |
6b6b6807 | 414 | /* Prefer the REX byte in encoding. */ |
5b7c81bd | 415 | bool rex_encoding; |
6b6b6807 | 416 | |
b6f8c7c4 | 417 | /* Disable instruction size optimization. */ |
5b7c81bd | 418 | bool no_optimize; |
b6f8c7c4 | 419 | |
86fa6981 L |
420 | /* How to encode vector instructions. */ |
421 | enum | |
422 | { | |
423 | vex_encoding_default = 0, | |
42e04b36 | 424 | vex_encoding_vex, |
86fa6981 | 425 | vex_encoding_vex3, |
da4977e0 JB |
426 | vex_encoding_evex, |
427 | vex_encoding_error | |
86fa6981 L |
428 | } vec_encoding; |
429 | ||
d5de92cf L |
430 | /* REP prefix. */ |
431 | const char *rep_prefix; | |
432 | ||
165de32a L |
433 | /* HLE prefix. */ |
434 | const char *hle_prefix; | |
42164a71 | 435 | |
7e8b059b L |
436 | /* Have BND prefix. */ |
437 | const char *bnd_prefix; | |
438 | ||
04ef582a L |
439 | /* Have NOTRACK prefix. */ |
440 | const char *notrack_prefix; | |
441 | ||
891edac4 | 442 | /* Error message. */ |
a65babc9 | 443 | enum i386_error error; |
252b5132 RH |
444 | }; |
445 | ||
446 | typedef struct _i386_insn i386_insn; | |
447 | ||
43234a1e L |
448 | /* Link RC type with corresponding string, that'll be looked for in |
449 | asm. */ | |
450 | struct RC_name | |
451 | { | |
452 | enum rc_type type; | |
453 | const char *name; | |
454 | unsigned int len; | |
455 | }; | |
456 | ||
457 | static const struct RC_name RC_NamesTable[] = | |
458 | { | |
459 | { rne, STRING_COMMA_LEN ("rn-sae") }, | |
460 | { rd, STRING_COMMA_LEN ("rd-sae") }, | |
461 | { ru, STRING_COMMA_LEN ("ru-sae") }, | |
462 | { rz, STRING_COMMA_LEN ("rz-sae") }, | |
463 | { saeonly, STRING_COMMA_LEN ("sae") }, | |
464 | }; | |
465 | ||
252b5132 RH |
466 | /* List of chars besides those in app.c:symbol_chars that can start an |
467 | operand. Used to prevent the scrubber eating vital white-space. */ | |
86fa6981 | 468 | const char extra_symbol_chars[] = "*%-([{}" |
252b5132 | 469 | #ifdef LEX_AT |
32137342 NC |
470 | "@" |
471 | #endif | |
472 | #ifdef LEX_QM | |
473 | "?" | |
252b5132 | 474 | #endif |
32137342 | 475 | ; |
252b5132 | 476 | |
b3983e5f JB |
477 | #if ((defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) \ |
478 | && !defined (TE_GNU) \ | |
479 | && !defined (TE_LINUX) \ | |
480 | && !defined (TE_FreeBSD) \ | |
481 | && !defined (TE_DragonFly) \ | |
482 | && !defined (TE_NetBSD)) | |
252b5132 | 483 | /* This array holds the chars that always start a comment. If the |
b3b91714 AM |
484 | pre-processor is disabled, these aren't very useful. The option |
485 | --divide will remove '/' from this list. */ | |
486 | const char *i386_comment_chars = "#/"; | |
487 | #define SVR4_COMMENT_CHARS 1 | |
252b5132 | 488 | #define PREFIX_SEPARATOR '\\' |
252b5132 | 489 | |
b3b91714 AM |
490 | #else |
491 | const char *i386_comment_chars = "#"; | |
492 | #define PREFIX_SEPARATOR '/' | |
493 | #endif | |
494 | ||
252b5132 RH |
495 | /* This array holds the chars that only start a comment at the beginning of |
496 | a line. If the line seems to have the form '# 123 filename' | |
ce8a8b2f AM |
497 | .line and .file directives will appear in the pre-processed output. |
498 | Note that input_file.c hand checks for '#' at the beginning of the | |
252b5132 | 499 | first line of the input file. This is because the compiler outputs |
ce8a8b2f AM |
500 | #NO_APP at the beginning of its output. |
501 | Also note that comments started like this one will always work if | |
252b5132 | 502 | '/' isn't otherwise defined. */ |
b3b91714 | 503 | const char line_comment_chars[] = "#/"; |
252b5132 | 504 | |
63a0b638 | 505 | const char line_separator_chars[] = ";"; |
252b5132 | 506 | |
ce8a8b2f AM |
507 | /* Chars that can be used to separate mant from exp in floating point |
508 | nums. */ | |
252b5132 RH |
509 | const char EXP_CHARS[] = "eE"; |
510 | ||
ce8a8b2f AM |
511 | /* Chars that mean this number is a floating point constant |
512 | As in 0f12.456 | |
513 | or 0d1.2345e12. */ | |
252b5132 RH |
514 | const char FLT_CHARS[] = "fFdDxX"; |
515 | ||
ce8a8b2f | 516 | /* Tables for lexical analysis. */ |
252b5132 RH |
517 | static char mnemonic_chars[256]; |
518 | static char register_chars[256]; | |
519 | static char operand_chars[256]; | |
520 | static char identifier_chars[256]; | |
521 | static char digit_chars[256]; | |
522 | ||
ce8a8b2f | 523 | /* Lexical macros. */ |
252b5132 RH |
524 | #define is_mnemonic_char(x) (mnemonic_chars[(unsigned char) x]) |
525 | #define is_operand_char(x) (operand_chars[(unsigned char) x]) | |
526 | #define is_register_char(x) (register_chars[(unsigned char) x]) | |
527 | #define is_space_char(x) ((x) == ' ') | |
528 | #define is_identifier_char(x) (identifier_chars[(unsigned char) x]) | |
529 | #define is_digit_char(x) (digit_chars[(unsigned char) x]) | |
530 | ||
0234cb7c | 531 | /* All non-digit non-letter characters that may occur in an operand. */ |
252b5132 RH |
532 | static char operand_special_chars[] = "%$-+(,)*._~/<>|&^!:[@]"; |
533 | ||
534 | /* md_assemble() always leaves the strings it's passed unaltered. To | |
535 | effect this we maintain a stack of saved characters that we've smashed | |
536 | with '\0's (indicating end of strings for various sub-fields of the | |
47926f60 | 537 | assembler instruction). */ |
252b5132 | 538 | static char save_stack[32]; |
ce8a8b2f | 539 | static char *save_stack_p; |
252b5132 RH |
540 | #define END_STRING_AND_SAVE(s) \ |
541 | do { *save_stack_p++ = *(s); *(s) = '\0'; } while (0) | |
542 | #define RESTORE_END_STRING(s) \ | |
543 | do { *(s) = *--save_stack_p; } while (0) | |
544 | ||
47926f60 | 545 | /* The instruction we're assembling. */ |
252b5132 RH |
546 | static i386_insn i; |
547 | ||
548 | /* Possible templates for current insn. */ | |
549 | static const templates *current_templates; | |
550 | ||
31b2323c L |
551 | /* Per instruction expressionS buffers: max displacements & immediates. */ |
552 | static expressionS disp_expressions[MAX_MEMORY_OPERANDS]; | |
553 | static expressionS im_expressions[MAX_IMMEDIATE_OPERANDS]; | |
252b5132 | 554 | |
47926f60 | 555 | /* Current operand we are working on. */ |
ee86248c | 556 | static int this_operand = -1; |
252b5132 | 557 | |
3e73aa7c JH |
558 | /* We support four different modes. FLAG_CODE variable is used to distinguish |
559 | these. */ | |
560 | ||
561 | enum flag_code { | |
562 | CODE_32BIT, | |
563 | CODE_16BIT, | |
564 | CODE_64BIT }; | |
565 | ||
566 | static enum flag_code flag_code; | |
4fa24527 | 567 | static unsigned int object_64bit; |
862be3fb | 568 | static unsigned int disallow_64bit_reloc; |
3e73aa7c | 569 | static int use_rela_relocations = 0; |
e379e5f3 L |
570 | /* __tls_get_addr/___tls_get_addr symbol for TLS. */ |
571 | static const char *tls_get_addr; | |
3e73aa7c | 572 | |
7af8ed2d NC |
573 | #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ |
574 | || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ | |
575 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) | |
576 | ||
351f65ca L |
577 | /* The ELF ABI to use. */ |
578 | enum x86_elf_abi | |
579 | { | |
580 | I386_ABI, | |
7f56bc95 L |
581 | X86_64_ABI, |
582 | X86_64_X32_ABI | |
351f65ca L |
583 | }; |
584 | ||
585 | static enum x86_elf_abi x86_elf_abi = I386_ABI; | |
7af8ed2d | 586 | #endif |
351f65ca | 587 | |
167ad85b TG |
588 | #if defined (TE_PE) || defined (TE_PEP) |
589 | /* Use big object file format. */ | |
590 | static int use_big_obj = 0; | |
591 | #endif | |
592 | ||
8dcea932 L |
593 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
594 | /* 1 if generating code for a shared library. */ | |
595 | static int shared = 0; | |
596 | #endif | |
597 | ||
47926f60 KH |
598 | /* 1 for intel syntax, |
599 | 0 if att syntax. */ | |
600 | static int intel_syntax = 0; | |
252b5132 | 601 | |
4b5aaf5f L |
602 | static enum x86_64_isa |
603 | { | |
604 | amd64 = 1, /* AMD64 ISA. */ | |
605 | intel64 /* Intel64 ISA. */ | |
606 | } isa64; | |
e89c5eaa | 607 | |
1efbbeb4 L |
608 | /* 1 for intel mnemonic, |
609 | 0 if att mnemonic. */ | |
610 | static int intel_mnemonic = !SYSV386_COMPAT; | |
611 | ||
a60de03c JB |
612 | /* 1 if pseudo registers are permitted. */ |
613 | static int allow_pseudo_reg = 0; | |
614 | ||
47926f60 KH |
615 | /* 1 if register prefix % not required. */ |
616 | static int allow_naked_reg = 0; | |
252b5132 | 617 | |
33eaf5de | 618 | /* 1 if the assembler should add BND prefix for all control-transferring |
7e8b059b L |
619 | instructions supporting it, even if this prefix wasn't specified |
620 | explicitly. */ | |
621 | static int add_bnd_prefix = 0; | |
622 | ||
ba104c83 | 623 | /* 1 if pseudo index register, eiz/riz, is allowed . */ |
db51cc60 L |
624 | static int allow_index_reg = 0; |
625 | ||
d022bddd IT |
626 | /* 1 if the assembler should ignore LOCK prefix, even if it was |
627 | specified explicitly. */ | |
628 | static int omit_lock_prefix = 0; | |
629 | ||
e4e00185 AS |
630 | /* 1 if the assembler should encode lfence, mfence, and sfence as |
631 | "lock addl $0, (%{re}sp)". */ | |
632 | static int avoid_fence = 0; | |
633 | ||
ae531041 L |
634 | /* 1 if lfence should be inserted after every load. */ |
635 | static int lfence_after_load = 0; | |
636 | ||
637 | /* Non-zero if lfence should be inserted before indirect branch. */ | |
638 | static enum lfence_before_indirect_branch_kind | |
639 | { | |
640 | lfence_branch_none = 0, | |
641 | lfence_branch_register, | |
642 | lfence_branch_memory, | |
643 | lfence_branch_all | |
644 | } | |
645 | lfence_before_indirect_branch; | |
646 | ||
647 | /* Non-zero if lfence should be inserted before ret. */ | |
648 | static enum lfence_before_ret_kind | |
649 | { | |
650 | lfence_before_ret_none = 0, | |
651 | lfence_before_ret_not, | |
a09f656b | 652 | lfence_before_ret_or, |
653 | lfence_before_ret_shl | |
ae531041 L |
654 | } |
655 | lfence_before_ret; | |
656 | ||
657 | /* Types of previous instruction is .byte or prefix. */ | |
e379e5f3 L |
658 | static struct |
659 | { | |
660 | segT seg; | |
661 | const char *file; | |
662 | const char *name; | |
663 | unsigned int line; | |
664 | enum last_insn_kind | |
665 | { | |
666 | last_insn_other = 0, | |
667 | last_insn_directive, | |
668 | last_insn_prefix | |
669 | } kind; | |
670 | } last_insn; | |
671 | ||
0cb4071e L |
672 | /* 1 if the assembler should generate relax relocations. */ |
673 | ||
674 | static int generate_relax_relocations | |
675 | = DEFAULT_GENERATE_X86_RELAX_RELOCATIONS; | |
676 | ||
7bab8ab5 | 677 | static enum check_kind |
daf50ae7 | 678 | { |
7bab8ab5 JB |
679 | check_none = 0, |
680 | check_warning, | |
681 | check_error | |
daf50ae7 | 682 | } |
7bab8ab5 | 683 | sse_check, operand_check = check_warning; |
daf50ae7 | 684 | |
e379e5f3 L |
685 | /* Non-zero if branches should be aligned within power of 2 boundary. */ |
686 | static int align_branch_power = 0; | |
687 | ||
688 | /* Types of branches to align. */ | |
689 | enum align_branch_kind | |
690 | { | |
691 | align_branch_none = 0, | |
692 | align_branch_jcc = 1, | |
693 | align_branch_fused = 2, | |
694 | align_branch_jmp = 3, | |
695 | align_branch_call = 4, | |
696 | align_branch_indirect = 5, | |
697 | align_branch_ret = 6 | |
698 | }; | |
699 | ||
700 | /* Type bits of branches to align. */ | |
701 | enum align_branch_bit | |
702 | { | |
703 | align_branch_jcc_bit = 1 << align_branch_jcc, | |
704 | align_branch_fused_bit = 1 << align_branch_fused, | |
705 | align_branch_jmp_bit = 1 << align_branch_jmp, | |
706 | align_branch_call_bit = 1 << align_branch_call, | |
707 | align_branch_indirect_bit = 1 << align_branch_indirect, | |
708 | align_branch_ret_bit = 1 << align_branch_ret | |
709 | }; | |
710 | ||
711 | static unsigned int align_branch = (align_branch_jcc_bit | |
712 | | align_branch_fused_bit | |
713 | | align_branch_jmp_bit); | |
714 | ||
79d72f45 HL |
715 | /* Types of condition jump used by macro-fusion. */ |
716 | enum mf_jcc_kind | |
717 | { | |
718 | mf_jcc_jo = 0, /* base opcode 0x70 */ | |
719 | mf_jcc_jc, /* base opcode 0x72 */ | |
720 | mf_jcc_je, /* base opcode 0x74 */ | |
721 | mf_jcc_jna, /* base opcode 0x76 */ | |
722 | mf_jcc_js, /* base opcode 0x78 */ | |
723 | mf_jcc_jp, /* base opcode 0x7a */ | |
724 | mf_jcc_jl, /* base opcode 0x7c */ | |
725 | mf_jcc_jle, /* base opcode 0x7e */ | |
726 | }; | |
727 | ||
728 | /* Types of compare flag-modifying insntructions used by macro-fusion. */ | |
729 | enum mf_cmp_kind | |
730 | { | |
731 | mf_cmp_test_and, /* test/cmp */ | |
732 | mf_cmp_alu_cmp, /* add/sub/cmp */ | |
733 | mf_cmp_incdec /* inc/dec */ | |
734 | }; | |
735 | ||
e379e5f3 L |
736 | /* The maximum padding size for fused jcc. CMP like instruction can |
737 | be 9 bytes and jcc can be 6 bytes. Leave room just in case for | |
738 | prefixes. */ | |
739 | #define MAX_FUSED_JCC_PADDING_SIZE 20 | |
740 | ||
741 | /* The maximum number of prefixes added for an instruction. */ | |
742 | static unsigned int align_branch_prefix_size = 5; | |
743 | ||
b6f8c7c4 L |
744 | /* Optimization: |
745 | 1. Clear the REX_W bit with register operand if possible. | |
746 | 2. Above plus use 128bit vector instruction to clear the full vector | |
747 | register. | |
748 | */ | |
749 | static int optimize = 0; | |
750 | ||
751 | /* Optimization: | |
752 | 1. Clear the REX_W bit with register operand if possible. | |
753 | 2. Above plus use 128bit vector instruction to clear the full vector | |
754 | register. | |
755 | 3. Above plus optimize "test{q,l,w} $imm8,%r{64,32,16}" to | |
756 | "testb $imm7,%r8". | |
757 | */ | |
758 | static int optimize_for_space = 0; | |
759 | ||
2ca3ace5 L |
760 | /* Register prefix used for error message. */ |
761 | static const char *register_prefix = "%"; | |
762 | ||
47926f60 KH |
763 | /* Used in 16 bit gcc mode to add an l suffix to call, ret, enter, |
764 | leave, push, and pop instructions so that gcc has the same stack | |
765 | frame as in 32 bit mode. */ | |
766 | static char stackop_size = '\0'; | |
eecb386c | 767 | |
12b55ccc L |
768 | /* Non-zero to optimize code alignment. */ |
769 | int optimize_align_code = 1; | |
770 | ||
47926f60 KH |
771 | /* Non-zero to quieten some warnings. */ |
772 | static int quiet_warnings = 0; | |
a38cf1db | 773 | |
47926f60 KH |
774 | /* CPU name. */ |
775 | static const char *cpu_arch_name = NULL; | |
6305a203 | 776 | static char *cpu_sub_arch_name = NULL; |
a38cf1db | 777 | |
47926f60 | 778 | /* CPU feature flags. */ |
40fb9820 L |
779 | static i386_cpu_flags cpu_arch_flags = CPU_UNKNOWN_FLAGS; |
780 | ||
ccc9c027 L |
781 | /* If we have selected a cpu we are generating instructions for. */ |
782 | static int cpu_arch_tune_set = 0; | |
783 | ||
9103f4f4 | 784 | /* Cpu we are generating instructions for. */ |
fbf3f584 | 785 | enum processor_type cpu_arch_tune = PROCESSOR_UNKNOWN; |
9103f4f4 L |
786 | |
787 | /* CPU feature flags of cpu we are generating instructions for. */ | |
40fb9820 | 788 | static i386_cpu_flags cpu_arch_tune_flags; |
9103f4f4 | 789 | |
ccc9c027 | 790 | /* CPU instruction set architecture used. */ |
fbf3f584 | 791 | enum processor_type cpu_arch_isa = PROCESSOR_UNKNOWN; |
ccc9c027 | 792 | |
9103f4f4 | 793 | /* CPU feature flags of instruction set architecture used. */ |
fbf3f584 | 794 | i386_cpu_flags cpu_arch_isa_flags; |
9103f4f4 | 795 | |
fddf5b5b AM |
796 | /* If set, conditional jumps are not automatically promoted to handle |
797 | larger than a byte offset. */ | |
798 | static unsigned int no_cond_jump_promotion = 0; | |
799 | ||
c0f3af97 L |
800 | /* Encode SSE instructions with VEX prefix. */ |
801 | static unsigned int sse2avx; | |
802 | ||
539f890d L |
803 | /* Encode scalar AVX instructions with specific vector length. */ |
804 | static enum | |
805 | { | |
806 | vex128 = 0, | |
807 | vex256 | |
808 | } avxscalar; | |
809 | ||
03751133 L |
810 | /* Encode VEX WIG instructions with specific vex.w. */ |
811 | static enum | |
812 | { | |
813 | vexw0 = 0, | |
814 | vexw1 | |
815 | } vexwig; | |
816 | ||
43234a1e L |
817 | /* Encode scalar EVEX LIG instructions with specific vector length. */ |
818 | static enum | |
819 | { | |
820 | evexl128 = 0, | |
821 | evexl256, | |
822 | evexl512 | |
823 | } evexlig; | |
824 | ||
825 | /* Encode EVEX WIG instructions with specific evex.w. */ | |
826 | static enum | |
827 | { | |
828 | evexw0 = 0, | |
829 | evexw1 | |
830 | } evexwig; | |
831 | ||
d3d3c6db IT |
832 | /* Value to encode in EVEX RC bits, for SAE-only instructions. */ |
833 | static enum rc_type evexrcig = rne; | |
834 | ||
29b0f896 | 835 | /* Pre-defined "_GLOBAL_OFFSET_TABLE_". */ |
87c245cc | 836 | static symbolS *GOT_symbol; |
29b0f896 | 837 | |
a4447b93 RH |
838 | /* The dwarf2 return column, adjusted for 32 or 64 bit. */ |
839 | unsigned int x86_dwarf2_return_column; | |
840 | ||
841 | /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */ | |
842 | int x86_cie_data_alignment; | |
843 | ||
252b5132 | 844 | /* Interface to relax_segment. |
fddf5b5b AM |
845 | There are 3 major relax states for 386 jump insns because the |
846 | different types of jumps add different sizes to frags when we're | |
e379e5f3 L |
847 | figuring out what sort of jump to choose to reach a given label. |
848 | ||
849 | BRANCH_PADDING, BRANCH_PREFIX and FUSED_JCC_PADDING are used to align | |
850 | branches which are handled by md_estimate_size_before_relax() and | |
851 | i386_generic_table_relax_frag(). */ | |
252b5132 | 852 | |
47926f60 | 853 | /* Types. */ |
93c2a809 AM |
854 | #define UNCOND_JUMP 0 |
855 | #define COND_JUMP 1 | |
856 | #define COND_JUMP86 2 | |
e379e5f3 L |
857 | #define BRANCH_PADDING 3 |
858 | #define BRANCH_PREFIX 4 | |
859 | #define FUSED_JCC_PADDING 5 | |
fddf5b5b | 860 | |
47926f60 | 861 | /* Sizes. */ |
252b5132 RH |
862 | #define CODE16 1 |
863 | #define SMALL 0 | |
29b0f896 | 864 | #define SMALL16 (SMALL | CODE16) |
252b5132 | 865 | #define BIG 2 |
29b0f896 | 866 | #define BIG16 (BIG | CODE16) |
252b5132 RH |
867 | |
868 | #ifndef INLINE | |
869 | #ifdef __GNUC__ | |
870 | #define INLINE __inline__ | |
871 | #else | |
872 | #define INLINE | |
873 | #endif | |
874 | #endif | |
875 | ||
fddf5b5b AM |
876 | #define ENCODE_RELAX_STATE(type, size) \ |
877 | ((relax_substateT) (((type) << 2) | (size))) | |
878 | #define TYPE_FROM_RELAX_STATE(s) \ | |
879 | ((s) >> 2) | |
880 | #define DISP_SIZE_FROM_RELAX_STATE(s) \ | |
881 | ((((s) & 3) == BIG ? 4 : (((s) & 3) == BIG16 ? 2 : 1))) | |
252b5132 RH |
882 | |
883 | /* This table is used by relax_frag to promote short jumps to long | |
884 | ones where necessary. SMALL (short) jumps may be promoted to BIG | |
885 | (32 bit long) ones, and SMALL16 jumps to BIG16 (16 bit long). We | |
886 | don't allow a short jump in a 32 bit code segment to be promoted to | |
887 | a 16 bit offset jump because it's slower (requires data size | |
888 | prefix), and doesn't work, unless the destination is in the bottom | |
889 | 64k of the code segment (The top 16 bits of eip are zeroed). */ | |
890 | ||
891 | const relax_typeS md_relax_table[] = | |
892 | { | |
24eab124 AM |
893 | /* The fields are: |
894 | 1) most positive reach of this state, | |
895 | 2) most negative reach of this state, | |
93c2a809 | 896 | 3) how many bytes this mode will have in the variable part of the frag |
ce8a8b2f | 897 | 4) which index into the table to try if we can't fit into this one. */ |
252b5132 | 898 | |
fddf5b5b | 899 | /* UNCOND_JUMP states. */ |
93c2a809 AM |
900 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG)}, |
901 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG16)}, | |
902 | /* dword jmp adds 4 bytes to frag: | |
903 | 0 extra opcode bytes, 4 displacement bytes. */ | |
252b5132 | 904 | {0, 0, 4, 0}, |
93c2a809 AM |
905 | /* word jmp adds 2 byte2 to frag: |
906 | 0 extra opcode bytes, 2 displacement bytes. */ | |
252b5132 RH |
907 | {0, 0, 2, 0}, |
908 | ||
93c2a809 AM |
909 | /* COND_JUMP states. */ |
910 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP, BIG)}, | |
911 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP, BIG16)}, | |
912 | /* dword conditionals adds 5 bytes to frag: | |
913 | 1 extra opcode byte, 4 displacement bytes. */ | |
914 | {0, 0, 5, 0}, | |
fddf5b5b | 915 | /* word conditionals add 3 bytes to frag: |
93c2a809 AM |
916 | 1 extra opcode byte, 2 displacement bytes. */ |
917 | {0, 0, 3, 0}, | |
918 | ||
919 | /* COND_JUMP86 states. */ | |
920 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP86, BIG)}, | |
921 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP86, BIG16)}, | |
922 | /* dword conditionals adds 5 bytes to frag: | |
923 | 1 extra opcode byte, 4 displacement bytes. */ | |
924 | {0, 0, 5, 0}, | |
925 | /* word conditionals add 4 bytes to frag: | |
926 | 1 displacement byte and a 3 byte long branch insn. */ | |
927 | {0, 0, 4, 0} | |
252b5132 RH |
928 | }; |
929 | ||
9103f4f4 L |
930 | static const arch_entry cpu_arch[] = |
931 | { | |
89507696 JB |
932 | /* Do not replace the first two entries - i386_target_format() |
933 | relies on them being there in this order. */ | |
8a2c8fef | 934 | { STRING_COMMA_LEN ("generic32"), PROCESSOR_GENERIC32, |
293f5f65 | 935 | CPU_GENERIC32_FLAGS, 0 }, |
8a2c8fef | 936 | { STRING_COMMA_LEN ("generic64"), PROCESSOR_GENERIC64, |
293f5f65 | 937 | CPU_GENERIC64_FLAGS, 0 }, |
8a2c8fef | 938 | { STRING_COMMA_LEN ("i8086"), PROCESSOR_UNKNOWN, |
293f5f65 | 939 | CPU_NONE_FLAGS, 0 }, |
8a2c8fef | 940 | { STRING_COMMA_LEN ("i186"), PROCESSOR_UNKNOWN, |
293f5f65 | 941 | CPU_I186_FLAGS, 0 }, |
8a2c8fef | 942 | { STRING_COMMA_LEN ("i286"), PROCESSOR_UNKNOWN, |
293f5f65 | 943 | CPU_I286_FLAGS, 0 }, |
8a2c8fef | 944 | { STRING_COMMA_LEN ("i386"), PROCESSOR_I386, |
293f5f65 | 945 | CPU_I386_FLAGS, 0 }, |
8a2c8fef | 946 | { STRING_COMMA_LEN ("i486"), PROCESSOR_I486, |
293f5f65 | 947 | CPU_I486_FLAGS, 0 }, |
8a2c8fef | 948 | { STRING_COMMA_LEN ("i586"), PROCESSOR_PENTIUM, |
293f5f65 | 949 | CPU_I586_FLAGS, 0 }, |
8a2c8fef | 950 | { STRING_COMMA_LEN ("i686"), PROCESSOR_PENTIUMPRO, |
293f5f65 | 951 | CPU_I686_FLAGS, 0 }, |
8a2c8fef | 952 | { STRING_COMMA_LEN ("pentium"), PROCESSOR_PENTIUM, |
293f5f65 | 953 | CPU_I586_FLAGS, 0 }, |
8a2c8fef | 954 | { STRING_COMMA_LEN ("pentiumpro"), PROCESSOR_PENTIUMPRO, |
293f5f65 | 955 | CPU_PENTIUMPRO_FLAGS, 0 }, |
8a2c8fef | 956 | { STRING_COMMA_LEN ("pentiumii"), PROCESSOR_PENTIUMPRO, |
293f5f65 | 957 | CPU_P2_FLAGS, 0 }, |
8a2c8fef | 958 | { STRING_COMMA_LEN ("pentiumiii"),PROCESSOR_PENTIUMPRO, |
293f5f65 | 959 | CPU_P3_FLAGS, 0 }, |
8a2c8fef | 960 | { STRING_COMMA_LEN ("pentium4"), PROCESSOR_PENTIUM4, |
293f5f65 | 961 | CPU_P4_FLAGS, 0 }, |
8a2c8fef | 962 | { STRING_COMMA_LEN ("prescott"), PROCESSOR_NOCONA, |
293f5f65 | 963 | CPU_CORE_FLAGS, 0 }, |
8a2c8fef | 964 | { STRING_COMMA_LEN ("nocona"), PROCESSOR_NOCONA, |
293f5f65 | 965 | CPU_NOCONA_FLAGS, 0 }, |
8a2c8fef | 966 | { STRING_COMMA_LEN ("yonah"), PROCESSOR_CORE, |
293f5f65 | 967 | CPU_CORE_FLAGS, 1 }, |
8a2c8fef | 968 | { STRING_COMMA_LEN ("core"), PROCESSOR_CORE, |
293f5f65 | 969 | CPU_CORE_FLAGS, 0 }, |
8a2c8fef | 970 | { STRING_COMMA_LEN ("merom"), PROCESSOR_CORE2, |
293f5f65 | 971 | CPU_CORE2_FLAGS, 1 }, |
8a2c8fef | 972 | { STRING_COMMA_LEN ("core2"), PROCESSOR_CORE2, |
293f5f65 | 973 | CPU_CORE2_FLAGS, 0 }, |
8a2c8fef | 974 | { STRING_COMMA_LEN ("corei7"), PROCESSOR_COREI7, |
293f5f65 | 975 | CPU_COREI7_FLAGS, 0 }, |
8a2c8fef | 976 | { STRING_COMMA_LEN ("l1om"), PROCESSOR_L1OM, |
293f5f65 | 977 | CPU_L1OM_FLAGS, 0 }, |
7a9068fe | 978 | { STRING_COMMA_LEN ("k1om"), PROCESSOR_K1OM, |
293f5f65 | 979 | CPU_K1OM_FLAGS, 0 }, |
81486035 | 980 | { STRING_COMMA_LEN ("iamcu"), PROCESSOR_IAMCU, |
293f5f65 | 981 | CPU_IAMCU_FLAGS, 0 }, |
8a2c8fef | 982 | { STRING_COMMA_LEN ("k6"), PROCESSOR_K6, |
293f5f65 | 983 | CPU_K6_FLAGS, 0 }, |
8a2c8fef | 984 | { STRING_COMMA_LEN ("k6_2"), PROCESSOR_K6, |
293f5f65 | 985 | CPU_K6_2_FLAGS, 0 }, |
8a2c8fef | 986 | { STRING_COMMA_LEN ("athlon"), PROCESSOR_ATHLON, |
293f5f65 | 987 | CPU_ATHLON_FLAGS, 0 }, |
8a2c8fef | 988 | { STRING_COMMA_LEN ("sledgehammer"), PROCESSOR_K8, |
293f5f65 | 989 | CPU_K8_FLAGS, 1 }, |
8a2c8fef | 990 | { STRING_COMMA_LEN ("opteron"), PROCESSOR_K8, |
293f5f65 | 991 | CPU_K8_FLAGS, 0 }, |
8a2c8fef | 992 | { STRING_COMMA_LEN ("k8"), PROCESSOR_K8, |
293f5f65 | 993 | CPU_K8_FLAGS, 0 }, |
8a2c8fef | 994 | { STRING_COMMA_LEN ("amdfam10"), PROCESSOR_AMDFAM10, |
293f5f65 | 995 | CPU_AMDFAM10_FLAGS, 0 }, |
8aedb9fe | 996 | { STRING_COMMA_LEN ("bdver1"), PROCESSOR_BD, |
293f5f65 | 997 | CPU_BDVER1_FLAGS, 0 }, |
8aedb9fe | 998 | { STRING_COMMA_LEN ("bdver2"), PROCESSOR_BD, |
293f5f65 | 999 | CPU_BDVER2_FLAGS, 0 }, |
5e5c50d3 | 1000 | { STRING_COMMA_LEN ("bdver3"), PROCESSOR_BD, |
293f5f65 | 1001 | CPU_BDVER3_FLAGS, 0 }, |
c7b0bd56 | 1002 | { STRING_COMMA_LEN ("bdver4"), PROCESSOR_BD, |
293f5f65 | 1003 | CPU_BDVER4_FLAGS, 0 }, |
029f3522 | 1004 | { STRING_COMMA_LEN ("znver1"), PROCESSOR_ZNVER, |
293f5f65 | 1005 | CPU_ZNVER1_FLAGS, 0 }, |
a9660a6f AP |
1006 | { STRING_COMMA_LEN ("znver2"), PROCESSOR_ZNVER, |
1007 | CPU_ZNVER2_FLAGS, 0 }, | |
646cc3e0 GG |
1008 | { STRING_COMMA_LEN ("znver3"), PROCESSOR_ZNVER, |
1009 | CPU_ZNVER3_FLAGS, 0 }, | |
7b458c12 | 1010 | { STRING_COMMA_LEN ("btver1"), PROCESSOR_BT, |
293f5f65 | 1011 | CPU_BTVER1_FLAGS, 0 }, |
7b458c12 | 1012 | { STRING_COMMA_LEN ("btver2"), PROCESSOR_BT, |
293f5f65 | 1013 | CPU_BTVER2_FLAGS, 0 }, |
8a2c8fef | 1014 | { STRING_COMMA_LEN (".8087"), PROCESSOR_UNKNOWN, |
293f5f65 | 1015 | CPU_8087_FLAGS, 0 }, |
8a2c8fef | 1016 | { STRING_COMMA_LEN (".287"), PROCESSOR_UNKNOWN, |
293f5f65 | 1017 | CPU_287_FLAGS, 0 }, |
8a2c8fef | 1018 | { STRING_COMMA_LEN (".387"), PROCESSOR_UNKNOWN, |
293f5f65 | 1019 | CPU_387_FLAGS, 0 }, |
1848e567 L |
1020 | { STRING_COMMA_LEN (".687"), PROCESSOR_UNKNOWN, |
1021 | CPU_687_FLAGS, 0 }, | |
d871f3f4 L |
1022 | { STRING_COMMA_LEN (".cmov"), PROCESSOR_UNKNOWN, |
1023 | CPU_CMOV_FLAGS, 0 }, | |
1024 | { STRING_COMMA_LEN (".fxsr"), PROCESSOR_UNKNOWN, | |
1025 | CPU_FXSR_FLAGS, 0 }, | |
8a2c8fef | 1026 | { STRING_COMMA_LEN (".mmx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1027 | CPU_MMX_FLAGS, 0 }, |
8a2c8fef | 1028 | { STRING_COMMA_LEN (".sse"), PROCESSOR_UNKNOWN, |
293f5f65 | 1029 | CPU_SSE_FLAGS, 0 }, |
8a2c8fef | 1030 | { STRING_COMMA_LEN (".sse2"), PROCESSOR_UNKNOWN, |
293f5f65 | 1031 | CPU_SSE2_FLAGS, 0 }, |
8a2c8fef | 1032 | { STRING_COMMA_LEN (".sse3"), PROCESSOR_UNKNOWN, |
293f5f65 | 1033 | CPU_SSE3_FLAGS, 0 }, |
af5c13b0 L |
1034 | { STRING_COMMA_LEN (".sse4a"), PROCESSOR_UNKNOWN, |
1035 | CPU_SSE4A_FLAGS, 0 }, | |
8a2c8fef | 1036 | { STRING_COMMA_LEN (".ssse3"), PROCESSOR_UNKNOWN, |
293f5f65 | 1037 | CPU_SSSE3_FLAGS, 0 }, |
8a2c8fef | 1038 | { STRING_COMMA_LEN (".sse4.1"), PROCESSOR_UNKNOWN, |
293f5f65 | 1039 | CPU_SSE4_1_FLAGS, 0 }, |
8a2c8fef | 1040 | { STRING_COMMA_LEN (".sse4.2"), PROCESSOR_UNKNOWN, |
293f5f65 | 1041 | CPU_SSE4_2_FLAGS, 0 }, |
8a2c8fef | 1042 | { STRING_COMMA_LEN (".sse4"), PROCESSOR_UNKNOWN, |
293f5f65 | 1043 | CPU_SSE4_2_FLAGS, 0 }, |
8a2c8fef | 1044 | { STRING_COMMA_LEN (".avx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1045 | CPU_AVX_FLAGS, 0 }, |
6c30d220 | 1046 | { STRING_COMMA_LEN (".avx2"), PROCESSOR_UNKNOWN, |
293f5f65 | 1047 | CPU_AVX2_FLAGS, 0 }, |
43234a1e | 1048 | { STRING_COMMA_LEN (".avx512f"), PROCESSOR_UNKNOWN, |
293f5f65 | 1049 | CPU_AVX512F_FLAGS, 0 }, |
43234a1e | 1050 | { STRING_COMMA_LEN (".avx512cd"), PROCESSOR_UNKNOWN, |
293f5f65 | 1051 | CPU_AVX512CD_FLAGS, 0 }, |
43234a1e | 1052 | { STRING_COMMA_LEN (".avx512er"), PROCESSOR_UNKNOWN, |
293f5f65 | 1053 | CPU_AVX512ER_FLAGS, 0 }, |
43234a1e | 1054 | { STRING_COMMA_LEN (".avx512pf"), PROCESSOR_UNKNOWN, |
293f5f65 | 1055 | CPU_AVX512PF_FLAGS, 0 }, |
1dfc6506 | 1056 | { STRING_COMMA_LEN (".avx512dq"), PROCESSOR_UNKNOWN, |
293f5f65 | 1057 | CPU_AVX512DQ_FLAGS, 0 }, |
1dfc6506 | 1058 | { STRING_COMMA_LEN (".avx512bw"), PROCESSOR_UNKNOWN, |
293f5f65 | 1059 | CPU_AVX512BW_FLAGS, 0 }, |
1dfc6506 | 1060 | { STRING_COMMA_LEN (".avx512vl"), PROCESSOR_UNKNOWN, |
293f5f65 | 1061 | CPU_AVX512VL_FLAGS, 0 }, |
8a2c8fef | 1062 | { STRING_COMMA_LEN (".vmx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1063 | CPU_VMX_FLAGS, 0 }, |
8729a6f6 | 1064 | { STRING_COMMA_LEN (".vmfunc"), PROCESSOR_UNKNOWN, |
293f5f65 | 1065 | CPU_VMFUNC_FLAGS, 0 }, |
8a2c8fef | 1066 | { STRING_COMMA_LEN (".smx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1067 | CPU_SMX_FLAGS, 0 }, |
8a2c8fef | 1068 | { STRING_COMMA_LEN (".xsave"), PROCESSOR_UNKNOWN, |
293f5f65 | 1069 | CPU_XSAVE_FLAGS, 0 }, |
c7b8aa3a | 1070 | { STRING_COMMA_LEN (".xsaveopt"), PROCESSOR_UNKNOWN, |
293f5f65 | 1071 | CPU_XSAVEOPT_FLAGS, 0 }, |
1dfc6506 | 1072 | { STRING_COMMA_LEN (".xsavec"), PROCESSOR_UNKNOWN, |
293f5f65 | 1073 | CPU_XSAVEC_FLAGS, 0 }, |
1dfc6506 | 1074 | { STRING_COMMA_LEN (".xsaves"), PROCESSOR_UNKNOWN, |
293f5f65 | 1075 | CPU_XSAVES_FLAGS, 0 }, |
8a2c8fef | 1076 | { STRING_COMMA_LEN (".aes"), PROCESSOR_UNKNOWN, |
293f5f65 | 1077 | CPU_AES_FLAGS, 0 }, |
8a2c8fef | 1078 | { STRING_COMMA_LEN (".pclmul"), PROCESSOR_UNKNOWN, |
293f5f65 | 1079 | CPU_PCLMUL_FLAGS, 0 }, |
8a2c8fef | 1080 | { STRING_COMMA_LEN (".clmul"), PROCESSOR_UNKNOWN, |
293f5f65 | 1081 | CPU_PCLMUL_FLAGS, 1 }, |
c7b8aa3a | 1082 | { STRING_COMMA_LEN (".fsgsbase"), PROCESSOR_UNKNOWN, |
293f5f65 | 1083 | CPU_FSGSBASE_FLAGS, 0 }, |
c7b8aa3a | 1084 | { STRING_COMMA_LEN (".rdrnd"), PROCESSOR_UNKNOWN, |
293f5f65 | 1085 | CPU_RDRND_FLAGS, 0 }, |
c7b8aa3a | 1086 | { STRING_COMMA_LEN (".f16c"), PROCESSOR_UNKNOWN, |
293f5f65 | 1087 | CPU_F16C_FLAGS, 0 }, |
6c30d220 | 1088 | { STRING_COMMA_LEN (".bmi2"), PROCESSOR_UNKNOWN, |
293f5f65 | 1089 | CPU_BMI2_FLAGS, 0 }, |
8a2c8fef | 1090 | { STRING_COMMA_LEN (".fma"), PROCESSOR_UNKNOWN, |
293f5f65 | 1091 | CPU_FMA_FLAGS, 0 }, |
8a2c8fef | 1092 | { STRING_COMMA_LEN (".fma4"), PROCESSOR_UNKNOWN, |
293f5f65 | 1093 | CPU_FMA4_FLAGS, 0 }, |
8a2c8fef | 1094 | { STRING_COMMA_LEN (".xop"), PROCESSOR_UNKNOWN, |
293f5f65 | 1095 | CPU_XOP_FLAGS, 0 }, |
8a2c8fef | 1096 | { STRING_COMMA_LEN (".lwp"), PROCESSOR_UNKNOWN, |
293f5f65 | 1097 | CPU_LWP_FLAGS, 0 }, |
8a2c8fef | 1098 | { STRING_COMMA_LEN (".movbe"), PROCESSOR_UNKNOWN, |
293f5f65 | 1099 | CPU_MOVBE_FLAGS, 0 }, |
60aa667e | 1100 | { STRING_COMMA_LEN (".cx16"), PROCESSOR_UNKNOWN, |
293f5f65 | 1101 | CPU_CX16_FLAGS, 0 }, |
8a2c8fef | 1102 | { STRING_COMMA_LEN (".ept"), PROCESSOR_UNKNOWN, |
293f5f65 | 1103 | CPU_EPT_FLAGS, 0 }, |
6c30d220 | 1104 | { STRING_COMMA_LEN (".lzcnt"), PROCESSOR_UNKNOWN, |
293f5f65 | 1105 | CPU_LZCNT_FLAGS, 0 }, |
272a84b1 L |
1106 | { STRING_COMMA_LEN (".popcnt"), PROCESSOR_UNKNOWN, |
1107 | CPU_POPCNT_FLAGS, 0 }, | |
42164a71 | 1108 | { STRING_COMMA_LEN (".hle"), PROCESSOR_UNKNOWN, |
293f5f65 | 1109 | CPU_HLE_FLAGS, 0 }, |
42164a71 | 1110 | { STRING_COMMA_LEN (".rtm"), PROCESSOR_UNKNOWN, |
293f5f65 | 1111 | CPU_RTM_FLAGS, 0 }, |
6c30d220 | 1112 | { STRING_COMMA_LEN (".invpcid"), PROCESSOR_UNKNOWN, |
293f5f65 | 1113 | CPU_INVPCID_FLAGS, 0 }, |
8a2c8fef | 1114 | { STRING_COMMA_LEN (".clflush"), PROCESSOR_UNKNOWN, |
293f5f65 | 1115 | CPU_CLFLUSH_FLAGS, 0 }, |
22109423 | 1116 | { STRING_COMMA_LEN (".nop"), PROCESSOR_UNKNOWN, |
293f5f65 | 1117 | CPU_NOP_FLAGS, 0 }, |
8a2c8fef | 1118 | { STRING_COMMA_LEN (".syscall"), PROCESSOR_UNKNOWN, |
293f5f65 | 1119 | CPU_SYSCALL_FLAGS, 0 }, |
8a2c8fef | 1120 | { STRING_COMMA_LEN (".rdtscp"), PROCESSOR_UNKNOWN, |
293f5f65 | 1121 | CPU_RDTSCP_FLAGS, 0 }, |
8a2c8fef | 1122 | { STRING_COMMA_LEN (".3dnow"), PROCESSOR_UNKNOWN, |
293f5f65 | 1123 | CPU_3DNOW_FLAGS, 0 }, |
8a2c8fef | 1124 | { STRING_COMMA_LEN (".3dnowa"), PROCESSOR_UNKNOWN, |
293f5f65 | 1125 | CPU_3DNOWA_FLAGS, 0 }, |
8a2c8fef | 1126 | { STRING_COMMA_LEN (".padlock"), PROCESSOR_UNKNOWN, |
293f5f65 | 1127 | CPU_PADLOCK_FLAGS, 0 }, |
8a2c8fef | 1128 | { STRING_COMMA_LEN (".pacifica"), PROCESSOR_UNKNOWN, |
293f5f65 | 1129 | CPU_SVME_FLAGS, 1 }, |
8a2c8fef | 1130 | { STRING_COMMA_LEN (".svme"), PROCESSOR_UNKNOWN, |
293f5f65 | 1131 | CPU_SVME_FLAGS, 0 }, |
8a2c8fef | 1132 | { STRING_COMMA_LEN (".sse4a"), PROCESSOR_UNKNOWN, |
293f5f65 | 1133 | CPU_SSE4A_FLAGS, 0 }, |
8a2c8fef | 1134 | { STRING_COMMA_LEN (".abm"), PROCESSOR_UNKNOWN, |
293f5f65 | 1135 | CPU_ABM_FLAGS, 0 }, |
87973e9f | 1136 | { STRING_COMMA_LEN (".bmi"), PROCESSOR_UNKNOWN, |
293f5f65 | 1137 | CPU_BMI_FLAGS, 0 }, |
2a2a0f38 | 1138 | { STRING_COMMA_LEN (".tbm"), PROCESSOR_UNKNOWN, |
293f5f65 | 1139 | CPU_TBM_FLAGS, 0 }, |
e2e1fcde | 1140 | { STRING_COMMA_LEN (".adx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1141 | CPU_ADX_FLAGS, 0 }, |
e2e1fcde | 1142 | { STRING_COMMA_LEN (".rdseed"), PROCESSOR_UNKNOWN, |
293f5f65 | 1143 | CPU_RDSEED_FLAGS, 0 }, |
e2e1fcde | 1144 | { STRING_COMMA_LEN (".prfchw"), PROCESSOR_UNKNOWN, |
293f5f65 | 1145 | CPU_PRFCHW_FLAGS, 0 }, |
5c111e37 | 1146 | { STRING_COMMA_LEN (".smap"), PROCESSOR_UNKNOWN, |
293f5f65 | 1147 | CPU_SMAP_FLAGS, 0 }, |
7e8b059b | 1148 | { STRING_COMMA_LEN (".mpx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1149 | CPU_MPX_FLAGS, 0 }, |
a0046408 | 1150 | { STRING_COMMA_LEN (".sha"), PROCESSOR_UNKNOWN, |
293f5f65 | 1151 | CPU_SHA_FLAGS, 0 }, |
963f3586 | 1152 | { STRING_COMMA_LEN (".clflushopt"), PROCESSOR_UNKNOWN, |
293f5f65 | 1153 | CPU_CLFLUSHOPT_FLAGS, 0 }, |
dcf893b5 | 1154 | { STRING_COMMA_LEN (".prefetchwt1"), PROCESSOR_UNKNOWN, |
293f5f65 | 1155 | CPU_PREFETCHWT1_FLAGS, 0 }, |
2cf200a4 | 1156 | { STRING_COMMA_LEN (".se1"), PROCESSOR_UNKNOWN, |
293f5f65 | 1157 | CPU_SE1_FLAGS, 0 }, |
c5e7287a | 1158 | { STRING_COMMA_LEN (".clwb"), PROCESSOR_UNKNOWN, |
293f5f65 | 1159 | CPU_CLWB_FLAGS, 0 }, |
2cc1b5aa | 1160 | { STRING_COMMA_LEN (".avx512ifma"), PROCESSOR_UNKNOWN, |
293f5f65 | 1161 | CPU_AVX512IFMA_FLAGS, 0 }, |
14f195c9 | 1162 | { STRING_COMMA_LEN (".avx512vbmi"), PROCESSOR_UNKNOWN, |
293f5f65 | 1163 | CPU_AVX512VBMI_FLAGS, 0 }, |
920d2ddc IT |
1164 | { STRING_COMMA_LEN (".avx512_4fmaps"), PROCESSOR_UNKNOWN, |
1165 | CPU_AVX512_4FMAPS_FLAGS, 0 }, | |
47acf0bd IT |
1166 | { STRING_COMMA_LEN (".avx512_4vnniw"), PROCESSOR_UNKNOWN, |
1167 | CPU_AVX512_4VNNIW_FLAGS, 0 }, | |
620214f7 IT |
1168 | { STRING_COMMA_LEN (".avx512_vpopcntdq"), PROCESSOR_UNKNOWN, |
1169 | CPU_AVX512_VPOPCNTDQ_FLAGS, 0 }, | |
53467f57 IT |
1170 | { STRING_COMMA_LEN (".avx512_vbmi2"), PROCESSOR_UNKNOWN, |
1171 | CPU_AVX512_VBMI2_FLAGS, 0 }, | |
8cfcb765 IT |
1172 | { STRING_COMMA_LEN (".avx512_vnni"), PROCESSOR_UNKNOWN, |
1173 | CPU_AVX512_VNNI_FLAGS, 0 }, | |
ee6872be IT |
1174 | { STRING_COMMA_LEN (".avx512_bitalg"), PROCESSOR_UNKNOWN, |
1175 | CPU_AVX512_BITALG_FLAGS, 0 }, | |
58bf9b6a L |
1176 | { STRING_COMMA_LEN (".avx_vnni"), PROCESSOR_UNKNOWN, |
1177 | CPU_AVX_VNNI_FLAGS, 0 }, | |
029f3522 | 1178 | { STRING_COMMA_LEN (".clzero"), PROCESSOR_UNKNOWN, |
293f5f65 | 1179 | CPU_CLZERO_FLAGS, 0 }, |
9916071f | 1180 | { STRING_COMMA_LEN (".mwaitx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1181 | CPU_MWAITX_FLAGS, 0 }, |
8eab4136 | 1182 | { STRING_COMMA_LEN (".ospke"), PROCESSOR_UNKNOWN, |
293f5f65 | 1183 | CPU_OSPKE_FLAGS, 0 }, |
8bc52696 | 1184 | { STRING_COMMA_LEN (".rdpid"), PROCESSOR_UNKNOWN, |
293f5f65 | 1185 | CPU_RDPID_FLAGS, 0 }, |
6b40c462 L |
1186 | { STRING_COMMA_LEN (".ptwrite"), PROCESSOR_UNKNOWN, |
1187 | CPU_PTWRITE_FLAGS, 0 }, | |
d777820b IT |
1188 | { STRING_COMMA_LEN (".ibt"), PROCESSOR_UNKNOWN, |
1189 | CPU_IBT_FLAGS, 0 }, | |
1190 | { STRING_COMMA_LEN (".shstk"), PROCESSOR_UNKNOWN, | |
1191 | CPU_SHSTK_FLAGS, 0 }, | |
48521003 IT |
1192 | { STRING_COMMA_LEN (".gfni"), PROCESSOR_UNKNOWN, |
1193 | CPU_GFNI_FLAGS, 0 }, | |
8dcf1fad IT |
1194 | { STRING_COMMA_LEN (".vaes"), PROCESSOR_UNKNOWN, |
1195 | CPU_VAES_FLAGS, 0 }, | |
ff1982d5 IT |
1196 | { STRING_COMMA_LEN (".vpclmulqdq"), PROCESSOR_UNKNOWN, |
1197 | CPU_VPCLMULQDQ_FLAGS, 0 }, | |
3233d7d0 IT |
1198 | { STRING_COMMA_LEN (".wbnoinvd"), PROCESSOR_UNKNOWN, |
1199 | CPU_WBNOINVD_FLAGS, 0 }, | |
be3a8dca IT |
1200 | { STRING_COMMA_LEN (".pconfig"), PROCESSOR_UNKNOWN, |
1201 | CPU_PCONFIG_FLAGS, 0 }, | |
de89d0a3 IT |
1202 | { STRING_COMMA_LEN (".waitpkg"), PROCESSOR_UNKNOWN, |
1203 | CPU_WAITPKG_FLAGS, 0 }, | |
c48935d7 IT |
1204 | { STRING_COMMA_LEN (".cldemote"), PROCESSOR_UNKNOWN, |
1205 | CPU_CLDEMOTE_FLAGS, 0 }, | |
260cd341 LC |
1206 | { STRING_COMMA_LEN (".amx_int8"), PROCESSOR_UNKNOWN, |
1207 | CPU_AMX_INT8_FLAGS, 0 }, | |
1208 | { STRING_COMMA_LEN (".amx_bf16"), PROCESSOR_UNKNOWN, | |
1209 | CPU_AMX_BF16_FLAGS, 0 }, | |
1210 | { STRING_COMMA_LEN (".amx_tile"), PROCESSOR_UNKNOWN, | |
1211 | CPU_AMX_TILE_FLAGS, 0 }, | |
c0a30a9f L |
1212 | { STRING_COMMA_LEN (".movdiri"), PROCESSOR_UNKNOWN, |
1213 | CPU_MOVDIRI_FLAGS, 0 }, | |
1214 | { STRING_COMMA_LEN (".movdir64b"), PROCESSOR_UNKNOWN, | |
1215 | CPU_MOVDIR64B_FLAGS, 0 }, | |
d6aab7a1 XG |
1216 | { STRING_COMMA_LEN (".avx512_bf16"), PROCESSOR_UNKNOWN, |
1217 | CPU_AVX512_BF16_FLAGS, 0 }, | |
9186c494 L |
1218 | { STRING_COMMA_LEN (".avx512_vp2intersect"), PROCESSOR_UNKNOWN, |
1219 | CPU_AVX512_VP2INTERSECT_FLAGS, 0 }, | |
81d54bb7 CL |
1220 | { STRING_COMMA_LEN (".tdx"), PROCESSOR_UNKNOWN, |
1221 | CPU_TDX_FLAGS, 0 }, | |
dd455cf5 L |
1222 | { STRING_COMMA_LEN (".enqcmd"), PROCESSOR_UNKNOWN, |
1223 | CPU_ENQCMD_FLAGS, 0 }, | |
4b27d27c L |
1224 | { STRING_COMMA_LEN (".serialize"), PROCESSOR_UNKNOWN, |
1225 | CPU_SERIALIZE_FLAGS, 0 }, | |
142861df JB |
1226 | { STRING_COMMA_LEN (".rdpru"), PROCESSOR_UNKNOWN, |
1227 | CPU_RDPRU_FLAGS, 0 }, | |
1228 | { STRING_COMMA_LEN (".mcommit"), PROCESSOR_UNKNOWN, | |
1229 | CPU_MCOMMIT_FLAGS, 0 }, | |
a847e322 JB |
1230 | { STRING_COMMA_LEN (".sev_es"), PROCESSOR_UNKNOWN, |
1231 | CPU_SEV_ES_FLAGS, 0 }, | |
bb651e8b CL |
1232 | { STRING_COMMA_LEN (".tsxldtrk"), PROCESSOR_UNKNOWN, |
1233 | CPU_TSXLDTRK_FLAGS, 0 }, | |
c4694f17 TG |
1234 | { STRING_COMMA_LEN (".kl"), PROCESSOR_UNKNOWN, |
1235 | CPU_KL_FLAGS, 0 }, | |
1236 | { STRING_COMMA_LEN (".widekl"), PROCESSOR_UNKNOWN, | |
1237 | CPU_WIDEKL_FLAGS, 0 }, | |
f64c42a9 LC |
1238 | { STRING_COMMA_LEN (".uintr"), PROCESSOR_UNKNOWN, |
1239 | CPU_UINTR_FLAGS, 0 }, | |
c1fa250a LC |
1240 | { STRING_COMMA_LEN (".hreset"), PROCESSOR_UNKNOWN, |
1241 | CPU_HRESET_FLAGS, 0 }, | |
293f5f65 L |
1242 | }; |
1243 | ||
1244 | static const noarch_entry cpu_noarch[] = | |
1245 | { | |
1246 | { STRING_COMMA_LEN ("no87"), CPU_ANY_X87_FLAGS }, | |
1848e567 L |
1247 | { STRING_COMMA_LEN ("no287"), CPU_ANY_287_FLAGS }, |
1248 | { STRING_COMMA_LEN ("no387"), CPU_ANY_387_FLAGS }, | |
1249 | { STRING_COMMA_LEN ("no687"), CPU_ANY_687_FLAGS }, | |
d871f3f4 L |
1250 | { STRING_COMMA_LEN ("nocmov"), CPU_ANY_CMOV_FLAGS }, |
1251 | { STRING_COMMA_LEN ("nofxsr"), CPU_ANY_FXSR_FLAGS }, | |
293f5f65 L |
1252 | { STRING_COMMA_LEN ("nommx"), CPU_ANY_MMX_FLAGS }, |
1253 | { STRING_COMMA_LEN ("nosse"), CPU_ANY_SSE_FLAGS }, | |
1848e567 L |
1254 | { STRING_COMMA_LEN ("nosse2"), CPU_ANY_SSE2_FLAGS }, |
1255 | { STRING_COMMA_LEN ("nosse3"), CPU_ANY_SSE3_FLAGS }, | |
af5c13b0 | 1256 | { STRING_COMMA_LEN ("nosse4a"), CPU_ANY_SSE4A_FLAGS }, |
1848e567 L |
1257 | { STRING_COMMA_LEN ("nossse3"), CPU_ANY_SSSE3_FLAGS }, |
1258 | { STRING_COMMA_LEN ("nosse4.1"), CPU_ANY_SSE4_1_FLAGS }, | |
1259 | { STRING_COMMA_LEN ("nosse4.2"), CPU_ANY_SSE4_2_FLAGS }, | |
af5c13b0 | 1260 | { STRING_COMMA_LEN ("nosse4"), CPU_ANY_SSE4_1_FLAGS }, |
293f5f65 | 1261 | { STRING_COMMA_LEN ("noavx"), CPU_ANY_AVX_FLAGS }, |
1848e567 | 1262 | { STRING_COMMA_LEN ("noavx2"), CPU_ANY_AVX2_FLAGS }, |
144b71e2 L |
1263 | { STRING_COMMA_LEN ("noavx512f"), CPU_ANY_AVX512F_FLAGS }, |
1264 | { STRING_COMMA_LEN ("noavx512cd"), CPU_ANY_AVX512CD_FLAGS }, | |
1265 | { STRING_COMMA_LEN ("noavx512er"), CPU_ANY_AVX512ER_FLAGS }, | |
1266 | { STRING_COMMA_LEN ("noavx512pf"), CPU_ANY_AVX512PF_FLAGS }, | |
1267 | { STRING_COMMA_LEN ("noavx512dq"), CPU_ANY_AVX512DQ_FLAGS }, | |
1268 | { STRING_COMMA_LEN ("noavx512bw"), CPU_ANY_AVX512BW_FLAGS }, | |
1269 | { STRING_COMMA_LEN ("noavx512vl"), CPU_ANY_AVX512VL_FLAGS }, | |
1270 | { STRING_COMMA_LEN ("noavx512ifma"), CPU_ANY_AVX512IFMA_FLAGS }, | |
1271 | { STRING_COMMA_LEN ("noavx512vbmi"), CPU_ANY_AVX512VBMI_FLAGS }, | |
920d2ddc | 1272 | { STRING_COMMA_LEN ("noavx512_4fmaps"), CPU_ANY_AVX512_4FMAPS_FLAGS }, |
47acf0bd | 1273 | { STRING_COMMA_LEN ("noavx512_4vnniw"), CPU_ANY_AVX512_4VNNIW_FLAGS }, |
620214f7 | 1274 | { STRING_COMMA_LEN ("noavx512_vpopcntdq"), CPU_ANY_AVX512_VPOPCNTDQ_FLAGS }, |
53467f57 | 1275 | { STRING_COMMA_LEN ("noavx512_vbmi2"), CPU_ANY_AVX512_VBMI2_FLAGS }, |
8cfcb765 | 1276 | { STRING_COMMA_LEN ("noavx512_vnni"), CPU_ANY_AVX512_VNNI_FLAGS }, |
ee6872be | 1277 | { STRING_COMMA_LEN ("noavx512_bitalg"), CPU_ANY_AVX512_BITALG_FLAGS }, |
58bf9b6a | 1278 | { STRING_COMMA_LEN ("noavx_vnni"), CPU_ANY_AVX_VNNI_FLAGS }, |
d777820b IT |
1279 | { STRING_COMMA_LEN ("noibt"), CPU_ANY_IBT_FLAGS }, |
1280 | { STRING_COMMA_LEN ("noshstk"), CPU_ANY_SHSTK_FLAGS }, | |
260cd341 LC |
1281 | { STRING_COMMA_LEN ("noamx_int8"), CPU_ANY_AMX_INT8_FLAGS }, |
1282 | { STRING_COMMA_LEN ("noamx_bf16"), CPU_ANY_AMX_BF16_FLAGS }, | |
1283 | { STRING_COMMA_LEN ("noamx_tile"), CPU_ANY_AMX_TILE_FLAGS }, | |
c0a30a9f L |
1284 | { STRING_COMMA_LEN ("nomovdiri"), CPU_ANY_MOVDIRI_FLAGS }, |
1285 | { STRING_COMMA_LEN ("nomovdir64b"), CPU_ANY_MOVDIR64B_FLAGS }, | |
d6aab7a1 | 1286 | { STRING_COMMA_LEN ("noavx512_bf16"), CPU_ANY_AVX512_BF16_FLAGS }, |
708a2fff CL |
1287 | { STRING_COMMA_LEN ("noavx512_vp2intersect"), |
1288 | CPU_ANY_AVX512_VP2INTERSECT_FLAGS }, | |
81d54bb7 | 1289 | { STRING_COMMA_LEN ("notdx"), CPU_ANY_TDX_FLAGS }, |
dd455cf5 | 1290 | { STRING_COMMA_LEN ("noenqcmd"), CPU_ANY_ENQCMD_FLAGS }, |
4b27d27c | 1291 | { STRING_COMMA_LEN ("noserialize"), CPU_ANY_SERIALIZE_FLAGS }, |
bb651e8b | 1292 | { STRING_COMMA_LEN ("notsxldtrk"), CPU_ANY_TSXLDTRK_FLAGS }, |
c4694f17 TG |
1293 | { STRING_COMMA_LEN ("nokl"), CPU_ANY_KL_FLAGS }, |
1294 | { STRING_COMMA_LEN ("nowidekl"), CPU_ANY_WIDEKL_FLAGS }, | |
f64c42a9 | 1295 | { STRING_COMMA_LEN ("nouintr"), CPU_ANY_UINTR_FLAGS }, |
c1fa250a | 1296 | { STRING_COMMA_LEN ("nohreset"), CPU_ANY_HRESET_FLAGS }, |
e413e4e9 AM |
1297 | }; |
1298 | ||
704209c0 | 1299 | #ifdef I386COFF |
a6c24e68 NC |
1300 | /* Like s_lcomm_internal in gas/read.c but the alignment string |
1301 | is allowed to be optional. */ | |
1302 | ||
1303 | static symbolS * | |
1304 | pe_lcomm_internal (int needs_align, symbolS *symbolP, addressT size) | |
1305 | { | |
1306 | addressT align = 0; | |
1307 | ||
1308 | SKIP_WHITESPACE (); | |
1309 | ||
7ab9ffdd | 1310 | if (needs_align |
a6c24e68 NC |
1311 | && *input_line_pointer == ',') |
1312 | { | |
1313 | align = parse_align (needs_align - 1); | |
7ab9ffdd | 1314 | |
a6c24e68 NC |
1315 | if (align == (addressT) -1) |
1316 | return NULL; | |
1317 | } | |
1318 | else | |
1319 | { | |
1320 | if (size >= 8) | |
1321 | align = 3; | |
1322 | else if (size >= 4) | |
1323 | align = 2; | |
1324 | else if (size >= 2) | |
1325 | align = 1; | |
1326 | else | |
1327 | align = 0; | |
1328 | } | |
1329 | ||
1330 | bss_alloc (symbolP, size, align); | |
1331 | return symbolP; | |
1332 | } | |
1333 | ||
704209c0 | 1334 | static void |
a6c24e68 NC |
1335 | pe_lcomm (int needs_align) |
1336 | { | |
1337 | s_comm_internal (needs_align * 2, pe_lcomm_internal); | |
1338 | } | |
704209c0 | 1339 | #endif |
a6c24e68 | 1340 | |
29b0f896 AM |
1341 | const pseudo_typeS md_pseudo_table[] = |
1342 | { | |
1343 | #if !defined(OBJ_AOUT) && !defined(USE_ALIGN_PTWO) | |
1344 | {"align", s_align_bytes, 0}, | |
1345 | #else | |
1346 | {"align", s_align_ptwo, 0}, | |
1347 | #endif | |
1348 | {"arch", set_cpu_arch, 0}, | |
1349 | #ifndef I386COFF | |
1350 | {"bss", s_bss, 0}, | |
a6c24e68 NC |
1351 | #else |
1352 | {"lcomm", pe_lcomm, 1}, | |
29b0f896 AM |
1353 | #endif |
1354 | {"ffloat", float_cons, 'f'}, | |
1355 | {"dfloat", float_cons, 'd'}, | |
1356 | {"tfloat", float_cons, 'x'}, | |
1357 | {"value", cons, 2}, | |
d182319b | 1358 | {"slong", signed_cons, 4}, |
29b0f896 AM |
1359 | {"noopt", s_ignore, 0}, |
1360 | {"optim", s_ignore, 0}, | |
1361 | {"code16gcc", set_16bit_gcc_code_flag, CODE_16BIT}, | |
1362 | {"code16", set_code_flag, CODE_16BIT}, | |
1363 | {"code32", set_code_flag, CODE_32BIT}, | |
da5f19a2 | 1364 | #ifdef BFD64 |
29b0f896 | 1365 | {"code64", set_code_flag, CODE_64BIT}, |
da5f19a2 | 1366 | #endif |
29b0f896 AM |
1367 | {"intel_syntax", set_intel_syntax, 1}, |
1368 | {"att_syntax", set_intel_syntax, 0}, | |
1efbbeb4 L |
1369 | {"intel_mnemonic", set_intel_mnemonic, 1}, |
1370 | {"att_mnemonic", set_intel_mnemonic, 0}, | |
db51cc60 L |
1371 | {"allow_index_reg", set_allow_index_reg, 1}, |
1372 | {"disallow_index_reg", set_allow_index_reg, 0}, | |
7bab8ab5 JB |
1373 | {"sse_check", set_check, 0}, |
1374 | {"operand_check", set_check, 1}, | |
3b22753a L |
1375 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
1376 | {"largecomm", handle_large_common, 0}, | |
07a53e5c | 1377 | #else |
68d20676 | 1378 | {"file", dwarf2_directive_file, 0}, |
07a53e5c RH |
1379 | {"loc", dwarf2_directive_loc, 0}, |
1380 | {"loc_mark_labels", dwarf2_directive_loc_mark_labels, 0}, | |
3b22753a | 1381 | #endif |
6482c264 NC |
1382 | #ifdef TE_PE |
1383 | {"secrel32", pe_directive_secrel, 0}, | |
1384 | #endif | |
29b0f896 AM |
1385 | {0, 0, 0} |
1386 | }; | |
1387 | ||
1388 | /* For interface with expression (). */ | |
1389 | extern char *input_line_pointer; | |
1390 | ||
1391 | /* Hash table for instruction mnemonic lookup. */ | |
629310ab | 1392 | static htab_t op_hash; |
29b0f896 AM |
1393 | |
1394 | /* Hash table for register lookup. */ | |
629310ab | 1395 | static htab_t reg_hash; |
29b0f896 | 1396 | \f |
ce8a8b2f AM |
1397 | /* Various efficient no-op patterns for aligning code labels. |
1398 | Note: Don't try to assemble the instructions in the comments. | |
1399 | 0L and 0w are not legal. */ | |
62a02d25 L |
1400 | static const unsigned char f32_1[] = |
1401 | {0x90}; /* nop */ | |
1402 | static const unsigned char f32_2[] = | |
1403 | {0x66,0x90}; /* xchg %ax,%ax */ | |
1404 | static const unsigned char f32_3[] = | |
1405 | {0x8d,0x76,0x00}; /* leal 0(%esi),%esi */ | |
1406 | static const unsigned char f32_4[] = | |
1407 | {0x8d,0x74,0x26,0x00}; /* leal 0(%esi,1),%esi */ | |
62a02d25 L |
1408 | static const unsigned char f32_6[] = |
1409 | {0x8d,0xb6,0x00,0x00,0x00,0x00}; /* leal 0L(%esi),%esi */ | |
1410 | static const unsigned char f32_7[] = | |
1411 | {0x8d,0xb4,0x26,0x00,0x00,0x00,0x00}; /* leal 0L(%esi,1),%esi */ | |
62a02d25 | 1412 | static const unsigned char f16_3[] = |
3ae729d5 | 1413 | {0x8d,0x74,0x00}; /* lea 0(%si),%si */ |
62a02d25 | 1414 | static const unsigned char f16_4[] = |
3ae729d5 L |
1415 | {0x8d,0xb4,0x00,0x00}; /* lea 0W(%si),%si */ |
1416 | static const unsigned char jump_disp8[] = | |
1417 | {0xeb}; /* jmp disp8 */ | |
1418 | static const unsigned char jump32_disp32[] = | |
1419 | {0xe9}; /* jmp disp32 */ | |
1420 | static const unsigned char jump16_disp32[] = | |
1421 | {0x66,0xe9}; /* jmp disp32 */ | |
62a02d25 L |
1422 | /* 32-bit NOPs patterns. */ |
1423 | static const unsigned char *const f32_patt[] = { | |
3ae729d5 | 1424 | f32_1, f32_2, f32_3, f32_4, NULL, f32_6, f32_7 |
62a02d25 L |
1425 | }; |
1426 | /* 16-bit NOPs patterns. */ | |
1427 | static const unsigned char *const f16_patt[] = { | |
3ae729d5 | 1428 | f32_1, f32_2, f16_3, f16_4 |
62a02d25 L |
1429 | }; |
1430 | /* nopl (%[re]ax) */ | |
1431 | static const unsigned char alt_3[] = | |
1432 | {0x0f,0x1f,0x00}; | |
1433 | /* nopl 0(%[re]ax) */ | |
1434 | static const unsigned char alt_4[] = | |
1435 | {0x0f,0x1f,0x40,0x00}; | |
1436 | /* nopl 0(%[re]ax,%[re]ax,1) */ | |
1437 | static const unsigned char alt_5[] = | |
1438 | {0x0f,0x1f,0x44,0x00,0x00}; | |
1439 | /* nopw 0(%[re]ax,%[re]ax,1) */ | |
1440 | static const unsigned char alt_6[] = | |
1441 | {0x66,0x0f,0x1f,0x44,0x00,0x00}; | |
1442 | /* nopl 0L(%[re]ax) */ | |
1443 | static const unsigned char alt_7[] = | |
1444 | {0x0f,0x1f,0x80,0x00,0x00,0x00,0x00}; | |
1445 | /* nopl 0L(%[re]ax,%[re]ax,1) */ | |
1446 | static const unsigned char alt_8[] = | |
1447 | {0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
1448 | /* nopw 0L(%[re]ax,%[re]ax,1) */ | |
1449 | static const unsigned char alt_9[] = | |
1450 | {0x66,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
1451 | /* nopw %cs:0L(%[re]ax,%[re]ax,1) */ | |
1452 | static const unsigned char alt_10[] = | |
1453 | {0x66,0x2e,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
3ae729d5 L |
1454 | /* data16 nopw %cs:0L(%eax,%eax,1) */ |
1455 | static const unsigned char alt_11[] = | |
1456 | {0x66,0x66,0x2e,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
62a02d25 L |
1457 | /* 32-bit and 64-bit NOPs patterns. */ |
1458 | static const unsigned char *const alt_patt[] = { | |
1459 | f32_1, f32_2, alt_3, alt_4, alt_5, alt_6, alt_7, alt_8, | |
3ae729d5 | 1460 | alt_9, alt_10, alt_11 |
62a02d25 L |
1461 | }; |
1462 | ||
1463 | /* Genenerate COUNT bytes of NOPs to WHERE from PATT with the maximum | |
1464 | size of a single NOP instruction MAX_SINGLE_NOP_SIZE. */ | |
1465 | ||
1466 | static void | |
1467 | i386_output_nops (char *where, const unsigned char *const *patt, | |
1468 | int count, int max_single_nop_size) | |
1469 | ||
1470 | { | |
3ae729d5 L |
1471 | /* Place the longer NOP first. */ |
1472 | int last; | |
1473 | int offset; | |
3076e594 NC |
1474 | const unsigned char *nops; |
1475 | ||
1476 | if (max_single_nop_size < 1) | |
1477 | { | |
1478 | as_fatal (_("i386_output_nops called to generate nops of at most %d bytes!"), | |
1479 | max_single_nop_size); | |
1480 | return; | |
1481 | } | |
1482 | ||
1483 | nops = patt[max_single_nop_size - 1]; | |
3ae729d5 L |
1484 | |
1485 | /* Use the smaller one if the requsted one isn't available. */ | |
1486 | if (nops == NULL) | |
62a02d25 | 1487 | { |
3ae729d5 L |
1488 | max_single_nop_size--; |
1489 | nops = patt[max_single_nop_size - 1]; | |
62a02d25 L |
1490 | } |
1491 | ||
3ae729d5 L |
1492 | last = count % max_single_nop_size; |
1493 | ||
1494 | count -= last; | |
1495 | for (offset = 0; offset < count; offset += max_single_nop_size) | |
1496 | memcpy (where + offset, nops, max_single_nop_size); | |
1497 | ||
1498 | if (last) | |
1499 | { | |
1500 | nops = patt[last - 1]; | |
1501 | if (nops == NULL) | |
1502 | { | |
1503 | /* Use the smaller one plus one-byte NOP if the needed one | |
1504 | isn't available. */ | |
1505 | last--; | |
1506 | nops = patt[last - 1]; | |
1507 | memcpy (where + offset, nops, last); | |
1508 | where[offset + last] = *patt[0]; | |
1509 | } | |
1510 | else | |
1511 | memcpy (where + offset, nops, last); | |
1512 | } | |
62a02d25 L |
1513 | } |
1514 | ||
3ae729d5 L |
1515 | static INLINE int |
1516 | fits_in_imm7 (offsetT num) | |
1517 | { | |
1518 | return (num & 0x7f) == num; | |
1519 | } | |
1520 | ||
1521 | static INLINE int | |
1522 | fits_in_imm31 (offsetT num) | |
1523 | { | |
1524 | return (num & 0x7fffffff) == num; | |
1525 | } | |
62a02d25 L |
1526 | |
1527 | /* Genenerate COUNT bytes of NOPs to WHERE with the maximum size of a | |
1528 | single NOP instruction LIMIT. */ | |
1529 | ||
1530 | void | |
3ae729d5 | 1531 | i386_generate_nops (fragS *fragP, char *where, offsetT count, int limit) |
62a02d25 | 1532 | { |
3ae729d5 | 1533 | const unsigned char *const *patt = NULL; |
62a02d25 | 1534 | int max_single_nop_size; |
3ae729d5 L |
1535 | /* Maximum number of NOPs before switching to jump over NOPs. */ |
1536 | int max_number_of_nops; | |
62a02d25 | 1537 | |
3ae729d5 | 1538 | switch (fragP->fr_type) |
62a02d25 | 1539 | { |
3ae729d5 L |
1540 | case rs_fill_nop: |
1541 | case rs_align_code: | |
1542 | break; | |
e379e5f3 L |
1543 | case rs_machine_dependent: |
1544 | /* Allow NOP padding for jumps and calls. */ | |
1545 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING | |
1546 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING) | |
1547 | break; | |
1548 | /* Fall through. */ | |
3ae729d5 | 1549 | default: |
62a02d25 L |
1550 | return; |
1551 | } | |
1552 | ||
ccc9c027 L |
1553 | /* We need to decide which NOP sequence to use for 32bit and |
1554 | 64bit. When -mtune= is used: | |
4eed87de | 1555 | |
76bc74dc L |
1556 | 1. For PROCESSOR_I386, PROCESSOR_I486, PROCESSOR_PENTIUM and |
1557 | PROCESSOR_GENERIC32, f32_patt will be used. | |
80b8656c L |
1558 | 2. For the rest, alt_patt will be used. |
1559 | ||
1560 | When -mtune= isn't used, alt_patt will be used if | |
22109423 | 1561 | cpu_arch_isa_flags has CpuNop. Otherwise, f32_patt will |
76bc74dc | 1562 | be used. |
ccc9c027 L |
1563 | |
1564 | When -march= or .arch is used, we can't use anything beyond | |
1565 | cpu_arch_isa_flags. */ | |
1566 | ||
1567 | if (flag_code == CODE_16BIT) | |
1568 | { | |
3ae729d5 L |
1569 | patt = f16_patt; |
1570 | max_single_nop_size = sizeof (f16_patt) / sizeof (f16_patt[0]); | |
1571 | /* Limit number of NOPs to 2 in 16-bit mode. */ | |
1572 | max_number_of_nops = 2; | |
252b5132 | 1573 | } |
33fef721 | 1574 | else |
ccc9c027 | 1575 | { |
fbf3f584 | 1576 | if (fragP->tc_frag_data.isa == PROCESSOR_UNKNOWN) |
ccc9c027 L |
1577 | { |
1578 | /* PROCESSOR_UNKNOWN means that all ISAs may be used. */ | |
1579 | switch (cpu_arch_tune) | |
1580 | { | |
1581 | case PROCESSOR_UNKNOWN: | |
1582 | /* We use cpu_arch_isa_flags to check if we SHOULD | |
22109423 L |
1583 | optimize with nops. */ |
1584 | if (fragP->tc_frag_data.isa_flags.bitfield.cpunop) | |
80b8656c | 1585 | patt = alt_patt; |
ccc9c027 L |
1586 | else |
1587 | patt = f32_patt; | |
1588 | break; | |
ccc9c027 L |
1589 | case PROCESSOR_PENTIUM4: |
1590 | case PROCESSOR_NOCONA: | |
ef05d495 | 1591 | case PROCESSOR_CORE: |
76bc74dc | 1592 | case PROCESSOR_CORE2: |
bd5295b2 | 1593 | case PROCESSOR_COREI7: |
3632d14b | 1594 | case PROCESSOR_L1OM: |
7a9068fe | 1595 | case PROCESSOR_K1OM: |
76bc74dc | 1596 | case PROCESSOR_GENERIC64: |
ccc9c027 L |
1597 | case PROCESSOR_K6: |
1598 | case PROCESSOR_ATHLON: | |
1599 | case PROCESSOR_K8: | |
4eed87de | 1600 | case PROCESSOR_AMDFAM10: |
8aedb9fe | 1601 | case PROCESSOR_BD: |
029f3522 | 1602 | case PROCESSOR_ZNVER: |
7b458c12 | 1603 | case PROCESSOR_BT: |
80b8656c | 1604 | patt = alt_patt; |
ccc9c027 | 1605 | break; |
76bc74dc | 1606 | case PROCESSOR_I386: |
ccc9c027 L |
1607 | case PROCESSOR_I486: |
1608 | case PROCESSOR_PENTIUM: | |
2dde1948 | 1609 | case PROCESSOR_PENTIUMPRO: |
81486035 | 1610 | case PROCESSOR_IAMCU: |
ccc9c027 L |
1611 | case PROCESSOR_GENERIC32: |
1612 | patt = f32_patt; | |
1613 | break; | |
4eed87de | 1614 | } |
ccc9c027 L |
1615 | } |
1616 | else | |
1617 | { | |
fbf3f584 | 1618 | switch (fragP->tc_frag_data.tune) |
ccc9c027 L |
1619 | { |
1620 | case PROCESSOR_UNKNOWN: | |
e6a14101 | 1621 | /* When cpu_arch_isa is set, cpu_arch_tune shouldn't be |
ccc9c027 L |
1622 | PROCESSOR_UNKNOWN. */ |
1623 | abort (); | |
1624 | break; | |
1625 | ||
76bc74dc | 1626 | case PROCESSOR_I386: |
ccc9c027 L |
1627 | case PROCESSOR_I486: |
1628 | case PROCESSOR_PENTIUM: | |
81486035 | 1629 | case PROCESSOR_IAMCU: |
ccc9c027 L |
1630 | case PROCESSOR_K6: |
1631 | case PROCESSOR_ATHLON: | |
1632 | case PROCESSOR_K8: | |
4eed87de | 1633 | case PROCESSOR_AMDFAM10: |
8aedb9fe | 1634 | case PROCESSOR_BD: |
029f3522 | 1635 | case PROCESSOR_ZNVER: |
7b458c12 | 1636 | case PROCESSOR_BT: |
ccc9c027 L |
1637 | case PROCESSOR_GENERIC32: |
1638 | /* We use cpu_arch_isa_flags to check if we CAN optimize | |
22109423 L |
1639 | with nops. */ |
1640 | if (fragP->tc_frag_data.isa_flags.bitfield.cpunop) | |
80b8656c | 1641 | patt = alt_patt; |
ccc9c027 L |
1642 | else |
1643 | patt = f32_patt; | |
1644 | break; | |
76bc74dc L |
1645 | case PROCESSOR_PENTIUMPRO: |
1646 | case PROCESSOR_PENTIUM4: | |
1647 | case PROCESSOR_NOCONA: | |
1648 | case PROCESSOR_CORE: | |
ef05d495 | 1649 | case PROCESSOR_CORE2: |
bd5295b2 | 1650 | case PROCESSOR_COREI7: |
3632d14b | 1651 | case PROCESSOR_L1OM: |
7a9068fe | 1652 | case PROCESSOR_K1OM: |
22109423 | 1653 | if (fragP->tc_frag_data.isa_flags.bitfield.cpunop) |
80b8656c | 1654 | patt = alt_patt; |
ccc9c027 L |
1655 | else |
1656 | patt = f32_patt; | |
1657 | break; | |
1658 | case PROCESSOR_GENERIC64: | |
80b8656c | 1659 | patt = alt_patt; |
ccc9c027 | 1660 | break; |
4eed87de | 1661 | } |
ccc9c027 L |
1662 | } |
1663 | ||
76bc74dc L |
1664 | if (patt == f32_patt) |
1665 | { | |
3ae729d5 L |
1666 | max_single_nop_size = sizeof (f32_patt) / sizeof (f32_patt[0]); |
1667 | /* Limit number of NOPs to 2 for older processors. */ | |
1668 | max_number_of_nops = 2; | |
76bc74dc L |
1669 | } |
1670 | else | |
1671 | { | |
3ae729d5 L |
1672 | max_single_nop_size = sizeof (alt_patt) / sizeof (alt_patt[0]); |
1673 | /* Limit number of NOPs to 7 for newer processors. */ | |
1674 | max_number_of_nops = 7; | |
1675 | } | |
1676 | } | |
1677 | ||
1678 | if (limit == 0) | |
1679 | limit = max_single_nop_size; | |
1680 | ||
1681 | if (fragP->fr_type == rs_fill_nop) | |
1682 | { | |
1683 | /* Output NOPs for .nop directive. */ | |
1684 | if (limit > max_single_nop_size) | |
1685 | { | |
1686 | as_bad_where (fragP->fr_file, fragP->fr_line, | |
1687 | _("invalid single nop size: %d " | |
1688 | "(expect within [0, %d])"), | |
1689 | limit, max_single_nop_size); | |
1690 | return; | |
1691 | } | |
1692 | } | |
e379e5f3 | 1693 | else if (fragP->fr_type != rs_machine_dependent) |
3ae729d5 L |
1694 | fragP->fr_var = count; |
1695 | ||
1696 | if ((count / max_single_nop_size) > max_number_of_nops) | |
1697 | { | |
1698 | /* Generate jump over NOPs. */ | |
1699 | offsetT disp = count - 2; | |
1700 | if (fits_in_imm7 (disp)) | |
1701 | { | |
1702 | /* Use "jmp disp8" if possible. */ | |
1703 | count = disp; | |
1704 | where[0] = jump_disp8[0]; | |
1705 | where[1] = count; | |
1706 | where += 2; | |
1707 | } | |
1708 | else | |
1709 | { | |
1710 | unsigned int size_of_jump; | |
1711 | ||
1712 | if (flag_code == CODE_16BIT) | |
1713 | { | |
1714 | where[0] = jump16_disp32[0]; | |
1715 | where[1] = jump16_disp32[1]; | |
1716 | size_of_jump = 2; | |
1717 | } | |
1718 | else | |
1719 | { | |
1720 | where[0] = jump32_disp32[0]; | |
1721 | size_of_jump = 1; | |
1722 | } | |
1723 | ||
1724 | count -= size_of_jump + 4; | |
1725 | if (!fits_in_imm31 (count)) | |
1726 | { | |
1727 | as_bad_where (fragP->fr_file, fragP->fr_line, | |
1728 | _("jump over nop padding out of range")); | |
1729 | return; | |
1730 | } | |
1731 | ||
1732 | md_number_to_chars (where + size_of_jump, count, 4); | |
1733 | where += size_of_jump + 4; | |
76bc74dc | 1734 | } |
ccc9c027 | 1735 | } |
3ae729d5 L |
1736 | |
1737 | /* Generate multiple NOPs. */ | |
1738 | i386_output_nops (where, patt, count, limit); | |
252b5132 RH |
1739 | } |
1740 | ||
c6fb90c8 | 1741 | static INLINE int |
0dfbf9d7 | 1742 | operand_type_all_zero (const union i386_operand_type *x) |
40fb9820 | 1743 | { |
0dfbf9d7 | 1744 | switch (ARRAY_SIZE(x->array)) |
c6fb90c8 L |
1745 | { |
1746 | case 3: | |
0dfbf9d7 | 1747 | if (x->array[2]) |
c6fb90c8 | 1748 | return 0; |
1a0670f3 | 1749 | /* Fall through. */ |
c6fb90c8 | 1750 | case 2: |
0dfbf9d7 | 1751 | if (x->array[1]) |
c6fb90c8 | 1752 | return 0; |
1a0670f3 | 1753 | /* Fall through. */ |
c6fb90c8 | 1754 | case 1: |
0dfbf9d7 | 1755 | return !x->array[0]; |
c6fb90c8 L |
1756 | default: |
1757 | abort (); | |
1758 | } | |
40fb9820 L |
1759 | } |
1760 | ||
c6fb90c8 | 1761 | static INLINE void |
0dfbf9d7 | 1762 | operand_type_set (union i386_operand_type *x, unsigned int v) |
40fb9820 | 1763 | { |
0dfbf9d7 | 1764 | switch (ARRAY_SIZE(x->array)) |
c6fb90c8 L |
1765 | { |
1766 | case 3: | |
0dfbf9d7 | 1767 | x->array[2] = v; |
1a0670f3 | 1768 | /* Fall through. */ |
c6fb90c8 | 1769 | case 2: |
0dfbf9d7 | 1770 | x->array[1] = v; |
1a0670f3 | 1771 | /* Fall through. */ |
c6fb90c8 | 1772 | case 1: |
0dfbf9d7 | 1773 | x->array[0] = v; |
1a0670f3 | 1774 | /* Fall through. */ |
c6fb90c8 L |
1775 | break; |
1776 | default: | |
1777 | abort (); | |
1778 | } | |
bab6aec1 JB |
1779 | |
1780 | x->bitfield.class = ClassNone; | |
75e5731b | 1781 | x->bitfield.instance = InstanceNone; |
c6fb90c8 | 1782 | } |
40fb9820 | 1783 | |
c6fb90c8 | 1784 | static INLINE int |
0dfbf9d7 L |
1785 | operand_type_equal (const union i386_operand_type *x, |
1786 | const union i386_operand_type *y) | |
c6fb90c8 | 1787 | { |
0dfbf9d7 | 1788 | switch (ARRAY_SIZE(x->array)) |
c6fb90c8 L |
1789 | { |
1790 | case 3: | |
0dfbf9d7 | 1791 | if (x->array[2] != y->array[2]) |
c6fb90c8 | 1792 | return 0; |
1a0670f3 | 1793 | /* Fall through. */ |
c6fb90c8 | 1794 | case 2: |
0dfbf9d7 | 1795 | if (x->array[1] != y->array[1]) |
c6fb90c8 | 1796 | return 0; |
1a0670f3 | 1797 | /* Fall through. */ |
c6fb90c8 | 1798 | case 1: |
0dfbf9d7 | 1799 | return x->array[0] == y->array[0]; |
c6fb90c8 L |
1800 | break; |
1801 | default: | |
1802 | abort (); | |
1803 | } | |
1804 | } | |
40fb9820 | 1805 | |
0dfbf9d7 L |
1806 | static INLINE int |
1807 | cpu_flags_all_zero (const union i386_cpu_flags *x) | |
1808 | { | |
1809 | switch (ARRAY_SIZE(x->array)) | |
1810 | { | |
53467f57 IT |
1811 | case 4: |
1812 | if (x->array[3]) | |
1813 | return 0; | |
1814 | /* Fall through. */ | |
0dfbf9d7 L |
1815 | case 3: |
1816 | if (x->array[2]) | |
1817 | return 0; | |
1a0670f3 | 1818 | /* Fall through. */ |
0dfbf9d7 L |
1819 | case 2: |
1820 | if (x->array[1]) | |
1821 | return 0; | |
1a0670f3 | 1822 | /* Fall through. */ |
0dfbf9d7 L |
1823 | case 1: |
1824 | return !x->array[0]; | |
1825 | default: | |
1826 | abort (); | |
1827 | } | |
1828 | } | |
1829 | ||
0dfbf9d7 L |
1830 | static INLINE int |
1831 | cpu_flags_equal (const union i386_cpu_flags *x, | |
1832 | const union i386_cpu_flags *y) | |
1833 | { | |
1834 | switch (ARRAY_SIZE(x->array)) | |
1835 | { | |
53467f57 IT |
1836 | case 4: |
1837 | if (x->array[3] != y->array[3]) | |
1838 | return 0; | |
1839 | /* Fall through. */ | |
0dfbf9d7 L |
1840 | case 3: |
1841 | if (x->array[2] != y->array[2]) | |
1842 | return 0; | |
1a0670f3 | 1843 | /* Fall through. */ |
0dfbf9d7 L |
1844 | case 2: |
1845 | if (x->array[1] != y->array[1]) | |
1846 | return 0; | |
1a0670f3 | 1847 | /* Fall through. */ |
0dfbf9d7 L |
1848 | case 1: |
1849 | return x->array[0] == y->array[0]; | |
1850 | break; | |
1851 | default: | |
1852 | abort (); | |
1853 | } | |
1854 | } | |
c6fb90c8 L |
1855 | |
1856 | static INLINE int | |
1857 | cpu_flags_check_cpu64 (i386_cpu_flags f) | |
1858 | { | |
1859 | return !((flag_code == CODE_64BIT && f.bitfield.cpuno64) | |
1860 | || (flag_code != CODE_64BIT && f.bitfield.cpu64)); | |
40fb9820 L |
1861 | } |
1862 | ||
c6fb90c8 L |
1863 | static INLINE i386_cpu_flags |
1864 | cpu_flags_and (i386_cpu_flags x, i386_cpu_flags y) | |
40fb9820 | 1865 | { |
c6fb90c8 L |
1866 | switch (ARRAY_SIZE (x.array)) |
1867 | { | |
53467f57 IT |
1868 | case 4: |
1869 | x.array [3] &= y.array [3]; | |
1870 | /* Fall through. */ | |
c6fb90c8 L |
1871 | case 3: |
1872 | x.array [2] &= y.array [2]; | |
1a0670f3 | 1873 | /* Fall through. */ |
c6fb90c8 L |
1874 | case 2: |
1875 | x.array [1] &= y.array [1]; | |
1a0670f3 | 1876 | /* Fall through. */ |
c6fb90c8 L |
1877 | case 1: |
1878 | x.array [0] &= y.array [0]; | |
1879 | break; | |
1880 | default: | |
1881 | abort (); | |
1882 | } | |
1883 | return x; | |
1884 | } | |
40fb9820 | 1885 | |
c6fb90c8 L |
1886 | static INLINE i386_cpu_flags |
1887 | cpu_flags_or (i386_cpu_flags x, i386_cpu_flags y) | |
40fb9820 | 1888 | { |
c6fb90c8 | 1889 | switch (ARRAY_SIZE (x.array)) |
40fb9820 | 1890 | { |
53467f57 IT |
1891 | case 4: |
1892 | x.array [3] |= y.array [3]; | |
1893 | /* Fall through. */ | |
c6fb90c8 L |
1894 | case 3: |
1895 | x.array [2] |= y.array [2]; | |
1a0670f3 | 1896 | /* Fall through. */ |
c6fb90c8 L |
1897 | case 2: |
1898 | x.array [1] |= y.array [1]; | |
1a0670f3 | 1899 | /* Fall through. */ |
c6fb90c8 L |
1900 | case 1: |
1901 | x.array [0] |= y.array [0]; | |
40fb9820 L |
1902 | break; |
1903 | default: | |
1904 | abort (); | |
1905 | } | |
40fb9820 L |
1906 | return x; |
1907 | } | |
1908 | ||
309d3373 JB |
1909 | static INLINE i386_cpu_flags |
1910 | cpu_flags_and_not (i386_cpu_flags x, i386_cpu_flags y) | |
1911 | { | |
1912 | switch (ARRAY_SIZE (x.array)) | |
1913 | { | |
53467f57 IT |
1914 | case 4: |
1915 | x.array [3] &= ~y.array [3]; | |
1916 | /* Fall through. */ | |
309d3373 JB |
1917 | case 3: |
1918 | x.array [2] &= ~y.array [2]; | |
1a0670f3 | 1919 | /* Fall through. */ |
309d3373 JB |
1920 | case 2: |
1921 | x.array [1] &= ~y.array [1]; | |
1a0670f3 | 1922 | /* Fall through. */ |
309d3373 JB |
1923 | case 1: |
1924 | x.array [0] &= ~y.array [0]; | |
1925 | break; | |
1926 | default: | |
1927 | abort (); | |
1928 | } | |
1929 | return x; | |
1930 | } | |
1931 | ||
6c0946d0 JB |
1932 | static const i386_cpu_flags avx512 = CPU_ANY_AVX512F_FLAGS; |
1933 | ||
c0f3af97 L |
1934 | #define CPU_FLAGS_ARCH_MATCH 0x1 |
1935 | #define CPU_FLAGS_64BIT_MATCH 0x2 | |
1936 | ||
c0f3af97 | 1937 | #define CPU_FLAGS_PERFECT_MATCH \ |
db12e14e | 1938 | (CPU_FLAGS_ARCH_MATCH | CPU_FLAGS_64BIT_MATCH) |
c0f3af97 L |
1939 | |
1940 | /* Return CPU flags match bits. */ | |
3629bb00 | 1941 | |
40fb9820 | 1942 | static int |
d3ce72d0 | 1943 | cpu_flags_match (const insn_template *t) |
40fb9820 | 1944 | { |
c0f3af97 L |
1945 | i386_cpu_flags x = t->cpu_flags; |
1946 | int match = cpu_flags_check_cpu64 (x) ? CPU_FLAGS_64BIT_MATCH : 0; | |
40fb9820 L |
1947 | |
1948 | x.bitfield.cpu64 = 0; | |
1949 | x.bitfield.cpuno64 = 0; | |
1950 | ||
0dfbf9d7 | 1951 | if (cpu_flags_all_zero (&x)) |
c0f3af97 L |
1952 | { |
1953 | /* This instruction is available on all archs. */ | |
db12e14e | 1954 | match |= CPU_FLAGS_ARCH_MATCH; |
c0f3af97 | 1955 | } |
3629bb00 L |
1956 | else |
1957 | { | |
c0f3af97 | 1958 | /* This instruction is available only on some archs. */ |
3629bb00 L |
1959 | i386_cpu_flags cpu = cpu_arch_flags; |
1960 | ||
ab592e75 JB |
1961 | /* AVX512VL is no standalone feature - match it and then strip it. */ |
1962 | if (x.bitfield.cpuavx512vl && !cpu.bitfield.cpuavx512vl) | |
1963 | return match; | |
1964 | x.bitfield.cpuavx512vl = 0; | |
1965 | ||
3629bb00 | 1966 | cpu = cpu_flags_and (x, cpu); |
c0f3af97 L |
1967 | if (!cpu_flags_all_zero (&cpu)) |
1968 | { | |
57392598 | 1969 | if (x.bitfield.cpuavx) |
a5ff0eb2 | 1970 | { |
929f69fa | 1971 | /* We need to check a few extra flags with AVX. */ |
b9d49817 | 1972 | if (cpu.bitfield.cpuavx |
40d231b4 JB |
1973 | && (!t->opcode_modifier.sse2avx |
1974 | || (sse2avx && !i.prefix[DATA_PREFIX])) | |
b9d49817 | 1975 | && (!x.bitfield.cpuaes || cpu.bitfield.cpuaes) |
929f69fa | 1976 | && (!x.bitfield.cpugfni || cpu.bitfield.cpugfni) |
b9d49817 JB |
1977 | && (!x.bitfield.cpupclmul || cpu.bitfield.cpupclmul)) |
1978 | match |= CPU_FLAGS_ARCH_MATCH; | |
a5ff0eb2 | 1979 | } |
929f69fa JB |
1980 | else if (x.bitfield.cpuavx512f) |
1981 | { | |
1982 | /* We need to check a few extra flags with AVX512F. */ | |
1983 | if (cpu.bitfield.cpuavx512f | |
1984 | && (!x.bitfield.cpugfni || cpu.bitfield.cpugfni) | |
1985 | && (!x.bitfield.cpuvaes || cpu.bitfield.cpuvaes) | |
1986 | && (!x.bitfield.cpuvpclmulqdq || cpu.bitfield.cpuvpclmulqdq)) | |
1987 | match |= CPU_FLAGS_ARCH_MATCH; | |
1988 | } | |
a5ff0eb2 | 1989 | else |
db12e14e | 1990 | match |= CPU_FLAGS_ARCH_MATCH; |
c0f3af97 | 1991 | } |
3629bb00 | 1992 | } |
c0f3af97 | 1993 | return match; |
40fb9820 L |
1994 | } |
1995 | ||
c6fb90c8 L |
1996 | static INLINE i386_operand_type |
1997 | operand_type_and (i386_operand_type x, i386_operand_type y) | |
40fb9820 | 1998 | { |
bab6aec1 JB |
1999 | if (x.bitfield.class != y.bitfield.class) |
2000 | x.bitfield.class = ClassNone; | |
75e5731b JB |
2001 | if (x.bitfield.instance != y.bitfield.instance) |
2002 | x.bitfield.instance = InstanceNone; | |
bab6aec1 | 2003 | |
c6fb90c8 L |
2004 | switch (ARRAY_SIZE (x.array)) |
2005 | { | |
2006 | case 3: | |
2007 | x.array [2] &= y.array [2]; | |
1a0670f3 | 2008 | /* Fall through. */ |
c6fb90c8 L |
2009 | case 2: |
2010 | x.array [1] &= y.array [1]; | |
1a0670f3 | 2011 | /* Fall through. */ |
c6fb90c8 L |
2012 | case 1: |
2013 | x.array [0] &= y.array [0]; | |
2014 | break; | |
2015 | default: | |
2016 | abort (); | |
2017 | } | |
2018 | return x; | |
40fb9820 L |
2019 | } |
2020 | ||
73053c1f JB |
2021 | static INLINE i386_operand_type |
2022 | operand_type_and_not (i386_operand_type x, i386_operand_type y) | |
2023 | { | |
bab6aec1 | 2024 | gas_assert (y.bitfield.class == ClassNone); |
75e5731b | 2025 | gas_assert (y.bitfield.instance == InstanceNone); |
bab6aec1 | 2026 | |
73053c1f JB |
2027 | switch (ARRAY_SIZE (x.array)) |
2028 | { | |
2029 | case 3: | |
2030 | x.array [2] &= ~y.array [2]; | |
2031 | /* Fall through. */ | |
2032 | case 2: | |
2033 | x.array [1] &= ~y.array [1]; | |
2034 | /* Fall through. */ | |
2035 | case 1: | |
2036 | x.array [0] &= ~y.array [0]; | |
2037 | break; | |
2038 | default: | |
2039 | abort (); | |
2040 | } | |
2041 | return x; | |
2042 | } | |
2043 | ||
c6fb90c8 L |
2044 | static INLINE i386_operand_type |
2045 | operand_type_or (i386_operand_type x, i386_operand_type y) | |
40fb9820 | 2046 | { |
bab6aec1 JB |
2047 | gas_assert (x.bitfield.class == ClassNone || |
2048 | y.bitfield.class == ClassNone || | |
2049 | x.bitfield.class == y.bitfield.class); | |
75e5731b JB |
2050 | gas_assert (x.bitfield.instance == InstanceNone || |
2051 | y.bitfield.instance == InstanceNone || | |
2052 | x.bitfield.instance == y.bitfield.instance); | |
bab6aec1 | 2053 | |
c6fb90c8 | 2054 | switch (ARRAY_SIZE (x.array)) |
40fb9820 | 2055 | { |
c6fb90c8 L |
2056 | case 3: |
2057 | x.array [2] |= y.array [2]; | |
1a0670f3 | 2058 | /* Fall through. */ |
c6fb90c8 L |
2059 | case 2: |
2060 | x.array [1] |= y.array [1]; | |
1a0670f3 | 2061 | /* Fall through. */ |
c6fb90c8 L |
2062 | case 1: |
2063 | x.array [0] |= y.array [0]; | |
40fb9820 L |
2064 | break; |
2065 | default: | |
2066 | abort (); | |
2067 | } | |
c6fb90c8 L |
2068 | return x; |
2069 | } | |
40fb9820 | 2070 | |
c6fb90c8 L |
2071 | static INLINE i386_operand_type |
2072 | operand_type_xor (i386_operand_type x, i386_operand_type y) | |
2073 | { | |
bab6aec1 | 2074 | gas_assert (y.bitfield.class == ClassNone); |
75e5731b | 2075 | gas_assert (y.bitfield.instance == InstanceNone); |
bab6aec1 | 2076 | |
c6fb90c8 L |
2077 | switch (ARRAY_SIZE (x.array)) |
2078 | { | |
2079 | case 3: | |
2080 | x.array [2] ^= y.array [2]; | |
1a0670f3 | 2081 | /* Fall through. */ |
c6fb90c8 L |
2082 | case 2: |
2083 | x.array [1] ^= y.array [1]; | |
1a0670f3 | 2084 | /* Fall through. */ |
c6fb90c8 L |
2085 | case 1: |
2086 | x.array [0] ^= y.array [0]; | |
2087 | break; | |
2088 | default: | |
2089 | abort (); | |
2090 | } | |
40fb9820 L |
2091 | return x; |
2092 | } | |
2093 | ||
40fb9820 L |
2094 | static const i386_operand_type disp16 = OPERAND_TYPE_DISP16; |
2095 | static const i386_operand_type disp32 = OPERAND_TYPE_DISP32; | |
2096 | static const i386_operand_type disp32s = OPERAND_TYPE_DISP32S; | |
2097 | static const i386_operand_type disp16_32 = OPERAND_TYPE_DISP16_32; | |
bab6aec1 JB |
2098 | static const i386_operand_type anydisp = OPERAND_TYPE_ANYDISP; |
2099 | static const i386_operand_type anyimm = OPERAND_TYPE_ANYIMM; | |
40fb9820 | 2100 | static const i386_operand_type regxmm = OPERAND_TYPE_REGXMM; |
43234a1e | 2101 | static const i386_operand_type regmask = OPERAND_TYPE_REGMASK; |
40fb9820 L |
2102 | static const i386_operand_type imm8 = OPERAND_TYPE_IMM8; |
2103 | static const i386_operand_type imm8s = OPERAND_TYPE_IMM8S; | |
2104 | static const i386_operand_type imm16 = OPERAND_TYPE_IMM16; | |
2105 | static const i386_operand_type imm32 = OPERAND_TYPE_IMM32; | |
2106 | static const i386_operand_type imm32s = OPERAND_TYPE_IMM32S; | |
2107 | static const i386_operand_type imm64 = OPERAND_TYPE_IMM64; | |
2108 | static const i386_operand_type imm16_32 = OPERAND_TYPE_IMM16_32; | |
2109 | static const i386_operand_type imm16_32s = OPERAND_TYPE_IMM16_32S; | |
2110 | static const i386_operand_type imm16_32_32s = OPERAND_TYPE_IMM16_32_32S; | |
2111 | ||
2112 | enum operand_type | |
2113 | { | |
2114 | reg, | |
40fb9820 L |
2115 | imm, |
2116 | disp, | |
2117 | anymem | |
2118 | }; | |
2119 | ||
c6fb90c8 | 2120 | static INLINE int |
40fb9820 L |
2121 | operand_type_check (i386_operand_type t, enum operand_type c) |
2122 | { | |
2123 | switch (c) | |
2124 | { | |
2125 | case reg: | |
bab6aec1 | 2126 | return t.bitfield.class == Reg; |
40fb9820 | 2127 | |
40fb9820 L |
2128 | case imm: |
2129 | return (t.bitfield.imm8 | |
2130 | || t.bitfield.imm8s | |
2131 | || t.bitfield.imm16 | |
2132 | || t.bitfield.imm32 | |
2133 | || t.bitfield.imm32s | |
2134 | || t.bitfield.imm64); | |
2135 | ||
2136 | case disp: | |
2137 | return (t.bitfield.disp8 | |
2138 | || t.bitfield.disp16 | |
2139 | || t.bitfield.disp32 | |
2140 | || t.bitfield.disp32s | |
2141 | || t.bitfield.disp64); | |
2142 | ||
2143 | case anymem: | |
2144 | return (t.bitfield.disp8 | |
2145 | || t.bitfield.disp16 | |
2146 | || t.bitfield.disp32 | |
2147 | || t.bitfield.disp32s | |
2148 | || t.bitfield.disp64 | |
2149 | || t.bitfield.baseindex); | |
2150 | ||
2151 | default: | |
2152 | abort (); | |
2153 | } | |
2cfe26b6 AM |
2154 | |
2155 | return 0; | |
40fb9820 L |
2156 | } |
2157 | ||
7a54636a L |
2158 | /* Return 1 if there is no conflict in 8bit/16bit/32bit/64bit/80bit size |
2159 | between operand GIVEN and opeand WANTED for instruction template T. */ | |
5c07affc L |
2160 | |
2161 | static INLINE int | |
7a54636a L |
2162 | match_operand_size (const insn_template *t, unsigned int wanted, |
2163 | unsigned int given) | |
5c07affc | 2164 | { |
3ac21baa JB |
2165 | return !((i.types[given].bitfield.byte |
2166 | && !t->operand_types[wanted].bitfield.byte) | |
2167 | || (i.types[given].bitfield.word | |
2168 | && !t->operand_types[wanted].bitfield.word) | |
2169 | || (i.types[given].bitfield.dword | |
2170 | && !t->operand_types[wanted].bitfield.dword) | |
2171 | || (i.types[given].bitfield.qword | |
2172 | && !t->operand_types[wanted].bitfield.qword) | |
2173 | || (i.types[given].bitfield.tbyte | |
2174 | && !t->operand_types[wanted].bitfield.tbyte)); | |
5c07affc L |
2175 | } |
2176 | ||
dd40ce22 L |
2177 | /* Return 1 if there is no conflict in SIMD register between operand |
2178 | GIVEN and opeand WANTED for instruction template T. */ | |
1b54b8d7 JB |
2179 | |
2180 | static INLINE int | |
dd40ce22 L |
2181 | match_simd_size (const insn_template *t, unsigned int wanted, |
2182 | unsigned int given) | |
1b54b8d7 | 2183 | { |
3ac21baa JB |
2184 | return !((i.types[given].bitfield.xmmword |
2185 | && !t->operand_types[wanted].bitfield.xmmword) | |
2186 | || (i.types[given].bitfield.ymmword | |
2187 | && !t->operand_types[wanted].bitfield.ymmword) | |
2188 | || (i.types[given].bitfield.zmmword | |
260cd341 LC |
2189 | && !t->operand_types[wanted].bitfield.zmmword) |
2190 | || (i.types[given].bitfield.tmmword | |
2191 | && !t->operand_types[wanted].bitfield.tmmword)); | |
1b54b8d7 JB |
2192 | } |
2193 | ||
7a54636a L |
2194 | /* Return 1 if there is no conflict in any size between operand GIVEN |
2195 | and opeand WANTED for instruction template T. */ | |
5c07affc L |
2196 | |
2197 | static INLINE int | |
dd40ce22 L |
2198 | match_mem_size (const insn_template *t, unsigned int wanted, |
2199 | unsigned int given) | |
5c07affc | 2200 | { |
7a54636a | 2201 | return (match_operand_size (t, wanted, given) |
3ac21baa | 2202 | && !((i.types[given].bitfield.unspecified |
5273a3cd | 2203 | && !i.broadcast.type |
3ac21baa JB |
2204 | && !t->operand_types[wanted].bitfield.unspecified) |
2205 | || (i.types[given].bitfield.fword | |
2206 | && !t->operand_types[wanted].bitfield.fword) | |
1b54b8d7 JB |
2207 | /* For scalar opcode templates to allow register and memory |
2208 | operands at the same time, some special casing is needed | |
d6793fa1 JB |
2209 | here. Also for v{,p}broadcast*, {,v}pmov{s,z}*, and |
2210 | down-conversion vpmov*. */ | |
3528c362 | 2211 | || ((t->operand_types[wanted].bitfield.class == RegSIMD |
bc49bfd8 JB |
2212 | && t->operand_types[wanted].bitfield.byte |
2213 | + t->operand_types[wanted].bitfield.word | |
2214 | + t->operand_types[wanted].bitfield.dword | |
2215 | + t->operand_types[wanted].bitfield.qword | |
2216 | > !!t->opcode_modifier.broadcast) | |
3ac21baa JB |
2217 | ? (i.types[given].bitfield.xmmword |
2218 | || i.types[given].bitfield.ymmword | |
2219 | || i.types[given].bitfield.zmmword) | |
2220 | : !match_simd_size(t, wanted, given)))); | |
5c07affc L |
2221 | } |
2222 | ||
3ac21baa JB |
2223 | /* Return value has MATCH_STRAIGHT set if there is no size conflict on any |
2224 | operands for instruction template T, and it has MATCH_REVERSE set if there | |
2225 | is no size conflict on any operands for the template with operands reversed | |
2226 | (and the template allows for reversing in the first place). */ | |
5c07affc | 2227 | |
3ac21baa JB |
2228 | #define MATCH_STRAIGHT 1 |
2229 | #define MATCH_REVERSE 2 | |
2230 | ||
2231 | static INLINE unsigned int | |
d3ce72d0 | 2232 | operand_size_match (const insn_template *t) |
5c07affc | 2233 | { |
3ac21baa | 2234 | unsigned int j, match = MATCH_STRAIGHT; |
5c07affc | 2235 | |
0cfa3eb3 | 2236 | /* Don't check non-absolute jump instructions. */ |
5c07affc | 2237 | if (t->opcode_modifier.jump |
0cfa3eb3 | 2238 | && t->opcode_modifier.jump != JUMP_ABSOLUTE) |
5c07affc L |
2239 | return match; |
2240 | ||
2241 | /* Check memory and accumulator operand size. */ | |
2242 | for (j = 0; j < i.operands; j++) | |
2243 | { | |
3528c362 JB |
2244 | if (i.types[j].bitfield.class != Reg |
2245 | && i.types[j].bitfield.class != RegSIMD | |
601e8564 | 2246 | && t->opcode_modifier.anysize) |
5c07affc L |
2247 | continue; |
2248 | ||
bab6aec1 | 2249 | if (t->operand_types[j].bitfield.class == Reg |
7a54636a | 2250 | && !match_operand_size (t, j, j)) |
5c07affc L |
2251 | { |
2252 | match = 0; | |
2253 | break; | |
2254 | } | |
2255 | ||
3528c362 | 2256 | if (t->operand_types[j].bitfield.class == RegSIMD |
3ac21baa | 2257 | && !match_simd_size (t, j, j)) |
1b54b8d7 JB |
2258 | { |
2259 | match = 0; | |
2260 | break; | |
2261 | } | |
2262 | ||
75e5731b | 2263 | if (t->operand_types[j].bitfield.instance == Accum |
7a54636a | 2264 | && (!match_operand_size (t, j, j) || !match_simd_size (t, j, j))) |
1b54b8d7 JB |
2265 | { |
2266 | match = 0; | |
2267 | break; | |
2268 | } | |
2269 | ||
c48dadc9 | 2270 | if ((i.flags[j] & Operand_Mem) && !match_mem_size (t, j, j)) |
5c07affc L |
2271 | { |
2272 | match = 0; | |
2273 | break; | |
2274 | } | |
2275 | } | |
2276 | ||
3ac21baa | 2277 | if (!t->opcode_modifier.d) |
891edac4 | 2278 | { |
dc1e8a47 | 2279 | mismatch: |
3ac21baa JB |
2280 | if (!match) |
2281 | i.error = operand_size_mismatch; | |
2282 | return match; | |
891edac4 | 2283 | } |
5c07affc L |
2284 | |
2285 | /* Check reverse. */ | |
f5eb1d70 | 2286 | gas_assert (i.operands >= 2 && i.operands <= 3); |
5c07affc | 2287 | |
f5eb1d70 | 2288 | for (j = 0; j < i.operands; j++) |
5c07affc | 2289 | { |
f5eb1d70 JB |
2290 | unsigned int given = i.operands - j - 1; |
2291 | ||
bab6aec1 | 2292 | if (t->operand_types[j].bitfield.class == Reg |
f5eb1d70 | 2293 | && !match_operand_size (t, j, given)) |
891edac4 | 2294 | goto mismatch; |
5c07affc | 2295 | |
3528c362 | 2296 | if (t->operand_types[j].bitfield.class == RegSIMD |
f5eb1d70 | 2297 | && !match_simd_size (t, j, given)) |
dbbc8b7e JB |
2298 | goto mismatch; |
2299 | ||
75e5731b | 2300 | if (t->operand_types[j].bitfield.instance == Accum |
f5eb1d70 JB |
2301 | && (!match_operand_size (t, j, given) |
2302 | || !match_simd_size (t, j, given))) | |
dbbc8b7e JB |
2303 | goto mismatch; |
2304 | ||
f5eb1d70 | 2305 | if ((i.flags[given] & Operand_Mem) && !match_mem_size (t, j, given)) |
891edac4 | 2306 | goto mismatch; |
5c07affc L |
2307 | } |
2308 | ||
3ac21baa | 2309 | return match | MATCH_REVERSE; |
5c07affc L |
2310 | } |
2311 | ||
c6fb90c8 | 2312 | static INLINE int |
40fb9820 L |
2313 | operand_type_match (i386_operand_type overlap, |
2314 | i386_operand_type given) | |
2315 | { | |
2316 | i386_operand_type temp = overlap; | |
2317 | ||
7d5e4556 | 2318 | temp.bitfield.unspecified = 0; |
5c07affc L |
2319 | temp.bitfield.byte = 0; |
2320 | temp.bitfield.word = 0; | |
2321 | temp.bitfield.dword = 0; | |
2322 | temp.bitfield.fword = 0; | |
2323 | temp.bitfield.qword = 0; | |
2324 | temp.bitfield.tbyte = 0; | |
2325 | temp.bitfield.xmmword = 0; | |
c0f3af97 | 2326 | temp.bitfield.ymmword = 0; |
43234a1e | 2327 | temp.bitfield.zmmword = 0; |
260cd341 | 2328 | temp.bitfield.tmmword = 0; |
0dfbf9d7 | 2329 | if (operand_type_all_zero (&temp)) |
891edac4 | 2330 | goto mismatch; |
40fb9820 | 2331 | |
6f2f06be | 2332 | if (given.bitfield.baseindex == overlap.bitfield.baseindex) |
891edac4 L |
2333 | return 1; |
2334 | ||
dc1e8a47 | 2335 | mismatch: |
a65babc9 | 2336 | i.error = operand_type_mismatch; |
891edac4 | 2337 | return 0; |
40fb9820 L |
2338 | } |
2339 | ||
7d5e4556 | 2340 | /* If given types g0 and g1 are registers they must be of the same type |
10c17abd | 2341 | unless the expected operand type register overlap is null. |
5de4d9ef | 2342 | Some Intel syntax memory operand size checking also happens here. */ |
40fb9820 | 2343 | |
c6fb90c8 | 2344 | static INLINE int |
dc821c5f | 2345 | operand_type_register_match (i386_operand_type g0, |
40fb9820 | 2346 | i386_operand_type t0, |
40fb9820 L |
2347 | i386_operand_type g1, |
2348 | i386_operand_type t1) | |
2349 | { | |
bab6aec1 | 2350 | if (g0.bitfield.class != Reg |
3528c362 | 2351 | && g0.bitfield.class != RegSIMD |
10c17abd JB |
2352 | && (!operand_type_check (g0, anymem) |
2353 | || g0.bitfield.unspecified | |
5de4d9ef JB |
2354 | || (t0.bitfield.class != Reg |
2355 | && t0.bitfield.class != RegSIMD))) | |
40fb9820 L |
2356 | return 1; |
2357 | ||
bab6aec1 | 2358 | if (g1.bitfield.class != Reg |
3528c362 | 2359 | && g1.bitfield.class != RegSIMD |
10c17abd JB |
2360 | && (!operand_type_check (g1, anymem) |
2361 | || g1.bitfield.unspecified | |
5de4d9ef JB |
2362 | || (t1.bitfield.class != Reg |
2363 | && t1.bitfield.class != RegSIMD))) | |
40fb9820 L |
2364 | return 1; |
2365 | ||
dc821c5f JB |
2366 | if (g0.bitfield.byte == g1.bitfield.byte |
2367 | && g0.bitfield.word == g1.bitfield.word | |
2368 | && g0.bitfield.dword == g1.bitfield.dword | |
10c17abd JB |
2369 | && g0.bitfield.qword == g1.bitfield.qword |
2370 | && g0.bitfield.xmmword == g1.bitfield.xmmword | |
2371 | && g0.bitfield.ymmword == g1.bitfield.ymmword | |
2372 | && g0.bitfield.zmmword == g1.bitfield.zmmword) | |
40fb9820 L |
2373 | return 1; |
2374 | ||
dc821c5f JB |
2375 | if (!(t0.bitfield.byte & t1.bitfield.byte) |
2376 | && !(t0.bitfield.word & t1.bitfield.word) | |
2377 | && !(t0.bitfield.dword & t1.bitfield.dword) | |
10c17abd JB |
2378 | && !(t0.bitfield.qword & t1.bitfield.qword) |
2379 | && !(t0.bitfield.xmmword & t1.bitfield.xmmword) | |
2380 | && !(t0.bitfield.ymmword & t1.bitfield.ymmword) | |
2381 | && !(t0.bitfield.zmmword & t1.bitfield.zmmword)) | |
891edac4 L |
2382 | return 1; |
2383 | ||
a65babc9 | 2384 | i.error = register_type_mismatch; |
891edac4 L |
2385 | |
2386 | return 0; | |
40fb9820 L |
2387 | } |
2388 | ||
4c692bc7 JB |
2389 | static INLINE unsigned int |
2390 | register_number (const reg_entry *r) | |
2391 | { | |
2392 | unsigned int nr = r->reg_num; | |
2393 | ||
2394 | if (r->reg_flags & RegRex) | |
2395 | nr += 8; | |
2396 | ||
200cbe0f L |
2397 | if (r->reg_flags & RegVRex) |
2398 | nr += 16; | |
2399 | ||
4c692bc7 JB |
2400 | return nr; |
2401 | } | |
2402 | ||
252b5132 | 2403 | static INLINE unsigned int |
40fb9820 | 2404 | mode_from_disp_size (i386_operand_type t) |
252b5132 | 2405 | { |
b5014f7a | 2406 | if (t.bitfield.disp8) |
40fb9820 L |
2407 | return 1; |
2408 | else if (t.bitfield.disp16 | |
2409 | || t.bitfield.disp32 | |
2410 | || t.bitfield.disp32s) | |
2411 | return 2; | |
2412 | else | |
2413 | return 0; | |
252b5132 RH |
2414 | } |
2415 | ||
2416 | static INLINE int | |
65879393 | 2417 | fits_in_signed_byte (addressT num) |
252b5132 | 2418 | { |
65879393 | 2419 | return num + 0x80 <= 0xff; |
47926f60 | 2420 | } |
252b5132 RH |
2421 | |
2422 | static INLINE int | |
65879393 | 2423 | fits_in_unsigned_byte (addressT num) |
252b5132 | 2424 | { |
65879393 | 2425 | return num <= 0xff; |
47926f60 | 2426 | } |
252b5132 RH |
2427 | |
2428 | static INLINE int | |
65879393 | 2429 | fits_in_unsigned_word (addressT num) |
252b5132 | 2430 | { |
65879393 | 2431 | return num <= 0xffff; |
47926f60 | 2432 | } |
252b5132 RH |
2433 | |
2434 | static INLINE int | |
65879393 | 2435 | fits_in_signed_word (addressT num) |
252b5132 | 2436 | { |
65879393 | 2437 | return num + 0x8000 <= 0xffff; |
47926f60 | 2438 | } |
2a962e6d | 2439 | |
3e73aa7c | 2440 | static INLINE int |
65879393 | 2441 | fits_in_signed_long (addressT num ATTRIBUTE_UNUSED) |
3e73aa7c JH |
2442 | { |
2443 | #ifndef BFD64 | |
2444 | return 1; | |
2445 | #else | |
65879393 | 2446 | return num + 0x80000000 <= 0xffffffff; |
3e73aa7c JH |
2447 | #endif |
2448 | } /* fits_in_signed_long() */ | |
2a962e6d | 2449 | |
3e73aa7c | 2450 | static INLINE int |
65879393 | 2451 | fits_in_unsigned_long (addressT num ATTRIBUTE_UNUSED) |
3e73aa7c JH |
2452 | { |
2453 | #ifndef BFD64 | |
2454 | return 1; | |
2455 | #else | |
65879393 | 2456 | return num <= 0xffffffff; |
3e73aa7c JH |
2457 | #endif |
2458 | } /* fits_in_unsigned_long() */ | |
252b5132 | 2459 | |
43234a1e | 2460 | static INLINE int |
b5014f7a | 2461 | fits_in_disp8 (offsetT num) |
43234a1e L |
2462 | { |
2463 | int shift = i.memshift; | |
2464 | unsigned int mask; | |
2465 | ||
2466 | if (shift == -1) | |
2467 | abort (); | |
2468 | ||
2469 | mask = (1 << shift) - 1; | |
2470 | ||
2471 | /* Return 0 if NUM isn't properly aligned. */ | |
2472 | if ((num & mask)) | |
2473 | return 0; | |
2474 | ||
2475 | /* Check if NUM will fit in 8bit after shift. */ | |
2476 | return fits_in_signed_byte (num >> shift); | |
2477 | } | |
2478 | ||
a683cc34 SP |
2479 | static INLINE int |
2480 | fits_in_imm4 (offsetT num) | |
2481 | { | |
2482 | return (num & 0xf) == num; | |
2483 | } | |
2484 | ||
40fb9820 | 2485 | static i386_operand_type |
e3bb37b5 | 2486 | smallest_imm_type (offsetT num) |
252b5132 | 2487 | { |
40fb9820 | 2488 | i386_operand_type t; |
7ab9ffdd | 2489 | |
0dfbf9d7 | 2490 | operand_type_set (&t, 0); |
40fb9820 L |
2491 | t.bitfield.imm64 = 1; |
2492 | ||
2493 | if (cpu_arch_tune != PROCESSOR_I486 && num == 1) | |
e413e4e9 AM |
2494 | { |
2495 | /* This code is disabled on the 486 because all the Imm1 forms | |
2496 | in the opcode table are slower on the i486. They're the | |
2497 | versions with the implicitly specified single-position | |
2498 | displacement, which has another syntax if you really want to | |
2499 | use that form. */ | |
40fb9820 L |
2500 | t.bitfield.imm1 = 1; |
2501 | t.bitfield.imm8 = 1; | |
2502 | t.bitfield.imm8s = 1; | |
2503 | t.bitfield.imm16 = 1; | |
2504 | t.bitfield.imm32 = 1; | |
2505 | t.bitfield.imm32s = 1; | |
2506 | } | |
2507 | else if (fits_in_signed_byte (num)) | |
2508 | { | |
2509 | t.bitfield.imm8 = 1; | |
2510 | t.bitfield.imm8s = 1; | |
2511 | t.bitfield.imm16 = 1; | |
2512 | t.bitfield.imm32 = 1; | |
2513 | t.bitfield.imm32s = 1; | |
2514 | } | |
2515 | else if (fits_in_unsigned_byte (num)) | |
2516 | { | |
2517 | t.bitfield.imm8 = 1; | |
2518 | t.bitfield.imm16 = 1; | |
2519 | t.bitfield.imm32 = 1; | |
2520 | t.bitfield.imm32s = 1; | |
2521 | } | |
2522 | else if (fits_in_signed_word (num) || fits_in_unsigned_word (num)) | |
2523 | { | |
2524 | t.bitfield.imm16 = 1; | |
2525 | t.bitfield.imm32 = 1; | |
2526 | t.bitfield.imm32s = 1; | |
2527 | } | |
2528 | else if (fits_in_signed_long (num)) | |
2529 | { | |
2530 | t.bitfield.imm32 = 1; | |
2531 | t.bitfield.imm32s = 1; | |
2532 | } | |
2533 | else if (fits_in_unsigned_long (num)) | |
2534 | t.bitfield.imm32 = 1; | |
2535 | ||
2536 | return t; | |
47926f60 | 2537 | } |
252b5132 | 2538 | |
847f7ad4 | 2539 | static offsetT |
e3bb37b5 | 2540 | offset_in_range (offsetT val, int size) |
847f7ad4 | 2541 | { |
508866be | 2542 | addressT mask; |
ba2adb93 | 2543 | |
847f7ad4 AM |
2544 | switch (size) |
2545 | { | |
508866be L |
2546 | case 1: mask = ((addressT) 1 << 8) - 1; break; |
2547 | case 2: mask = ((addressT) 1 << 16) - 1; break; | |
3b0ec529 | 2548 | case 4: mask = ((addressT) 2 << 31) - 1; break; |
3e73aa7c JH |
2549 | #ifdef BFD64 |
2550 | case 8: mask = ((addressT) 2 << 63) - 1; break; | |
2551 | #endif | |
47926f60 | 2552 | default: abort (); |
847f7ad4 AM |
2553 | } |
2554 | ||
47926f60 | 2555 | if ((val & ~mask) != 0 && (val & ~mask) != ~mask) |
847f7ad4 AM |
2556 | { |
2557 | char buf1[40], buf2[40]; | |
2558 | ||
9a8041fd JB |
2559 | bfd_sprintf_vma (stdoutput, buf1, val); |
2560 | bfd_sprintf_vma (stdoutput, buf2, val & mask); | |
847f7ad4 AM |
2561 | as_warn (_("%s shortened to %s"), buf1, buf2); |
2562 | } | |
2563 | return val & mask; | |
2564 | } | |
2565 | ||
c32fa91d L |
2566 | enum PREFIX_GROUP |
2567 | { | |
2568 | PREFIX_EXIST = 0, | |
2569 | PREFIX_LOCK, | |
2570 | PREFIX_REP, | |
04ef582a | 2571 | PREFIX_DS, |
c32fa91d L |
2572 | PREFIX_OTHER |
2573 | }; | |
2574 | ||
2575 | /* Returns | |
2576 | a. PREFIX_EXIST if attempting to add a prefix where one from the | |
2577 | same class already exists. | |
2578 | b. PREFIX_LOCK if lock prefix is added. | |
2579 | c. PREFIX_REP if rep/repne prefix is added. | |
04ef582a L |
2580 | d. PREFIX_DS if ds prefix is added. |
2581 | e. PREFIX_OTHER if other prefix is added. | |
c32fa91d L |
2582 | */ |
2583 | ||
2584 | static enum PREFIX_GROUP | |
e3bb37b5 | 2585 | add_prefix (unsigned int prefix) |
252b5132 | 2586 | { |
c32fa91d | 2587 | enum PREFIX_GROUP ret = PREFIX_OTHER; |
b1905489 | 2588 | unsigned int q; |
252b5132 | 2589 | |
29b0f896 AM |
2590 | if (prefix >= REX_OPCODE && prefix < REX_OPCODE + 16 |
2591 | && flag_code == CODE_64BIT) | |
b1905489 | 2592 | { |
161a04f6 | 2593 | if ((i.prefix[REX_PREFIX] & prefix & REX_W) |
44846f29 JB |
2594 | || (i.prefix[REX_PREFIX] & prefix & REX_R) |
2595 | || (i.prefix[REX_PREFIX] & prefix & REX_X) | |
2596 | || (i.prefix[REX_PREFIX] & prefix & REX_B)) | |
c32fa91d | 2597 | ret = PREFIX_EXIST; |
b1905489 JB |
2598 | q = REX_PREFIX; |
2599 | } | |
3e73aa7c | 2600 | else |
b1905489 JB |
2601 | { |
2602 | switch (prefix) | |
2603 | { | |
2604 | default: | |
2605 | abort (); | |
2606 | ||
b1905489 | 2607 | case DS_PREFIX_OPCODE: |
04ef582a L |
2608 | ret = PREFIX_DS; |
2609 | /* Fall through. */ | |
2610 | case CS_PREFIX_OPCODE: | |
b1905489 JB |
2611 | case ES_PREFIX_OPCODE: |
2612 | case FS_PREFIX_OPCODE: | |
2613 | case GS_PREFIX_OPCODE: | |
2614 | case SS_PREFIX_OPCODE: | |
2615 | q = SEG_PREFIX; | |
2616 | break; | |
2617 | ||
2618 | case REPNE_PREFIX_OPCODE: | |
2619 | case REPE_PREFIX_OPCODE: | |
c32fa91d L |
2620 | q = REP_PREFIX; |
2621 | ret = PREFIX_REP; | |
2622 | break; | |
2623 | ||
b1905489 | 2624 | case LOCK_PREFIX_OPCODE: |
c32fa91d L |
2625 | q = LOCK_PREFIX; |
2626 | ret = PREFIX_LOCK; | |
b1905489 JB |
2627 | break; |
2628 | ||
2629 | case FWAIT_OPCODE: | |
2630 | q = WAIT_PREFIX; | |
2631 | break; | |
2632 | ||
2633 | case ADDR_PREFIX_OPCODE: | |
2634 | q = ADDR_PREFIX; | |
2635 | break; | |
2636 | ||
2637 | case DATA_PREFIX_OPCODE: | |
2638 | q = DATA_PREFIX; | |
2639 | break; | |
2640 | } | |
2641 | if (i.prefix[q] != 0) | |
c32fa91d | 2642 | ret = PREFIX_EXIST; |
b1905489 | 2643 | } |
252b5132 | 2644 | |
b1905489 | 2645 | if (ret) |
252b5132 | 2646 | { |
b1905489 JB |
2647 | if (!i.prefix[q]) |
2648 | ++i.prefixes; | |
2649 | i.prefix[q] |= prefix; | |
252b5132 | 2650 | } |
b1905489 JB |
2651 | else |
2652 | as_bad (_("same type of prefix used twice")); | |
252b5132 | 2653 | |
252b5132 RH |
2654 | return ret; |
2655 | } | |
2656 | ||
2657 | static void | |
78f12dd3 | 2658 | update_code_flag (int value, int check) |
eecb386c | 2659 | { |
78f12dd3 L |
2660 | PRINTF_LIKE ((*as_error)); |
2661 | ||
1e9cc1c2 | 2662 | flag_code = (enum flag_code) value; |
40fb9820 L |
2663 | if (flag_code == CODE_64BIT) |
2664 | { | |
2665 | cpu_arch_flags.bitfield.cpu64 = 1; | |
2666 | cpu_arch_flags.bitfield.cpuno64 = 0; | |
40fb9820 L |
2667 | } |
2668 | else | |
2669 | { | |
2670 | cpu_arch_flags.bitfield.cpu64 = 0; | |
2671 | cpu_arch_flags.bitfield.cpuno64 = 1; | |
40fb9820 L |
2672 | } |
2673 | if (value == CODE_64BIT && !cpu_arch_flags.bitfield.cpulm ) | |
3e73aa7c | 2674 | { |
78f12dd3 L |
2675 | if (check) |
2676 | as_error = as_fatal; | |
2677 | else | |
2678 | as_error = as_bad; | |
2679 | (*as_error) (_("64bit mode not supported on `%s'."), | |
2680 | cpu_arch_name ? cpu_arch_name : default_arch); | |
3e73aa7c | 2681 | } |
40fb9820 | 2682 | if (value == CODE_32BIT && !cpu_arch_flags.bitfield.cpui386) |
3e73aa7c | 2683 | { |
78f12dd3 L |
2684 | if (check) |
2685 | as_error = as_fatal; | |
2686 | else | |
2687 | as_error = as_bad; | |
2688 | (*as_error) (_("32bit mode not supported on `%s'."), | |
2689 | cpu_arch_name ? cpu_arch_name : default_arch); | |
3e73aa7c | 2690 | } |
eecb386c AM |
2691 | stackop_size = '\0'; |
2692 | } | |
2693 | ||
78f12dd3 L |
2694 | static void |
2695 | set_code_flag (int value) | |
2696 | { | |
2697 | update_code_flag (value, 0); | |
2698 | } | |
2699 | ||
eecb386c | 2700 | static void |
e3bb37b5 | 2701 | set_16bit_gcc_code_flag (int new_code_flag) |
252b5132 | 2702 | { |
1e9cc1c2 | 2703 | flag_code = (enum flag_code) new_code_flag; |
40fb9820 L |
2704 | if (flag_code != CODE_16BIT) |
2705 | abort (); | |
2706 | cpu_arch_flags.bitfield.cpu64 = 0; | |
2707 | cpu_arch_flags.bitfield.cpuno64 = 1; | |
9306ca4a | 2708 | stackop_size = LONG_MNEM_SUFFIX; |
252b5132 RH |
2709 | } |
2710 | ||
2711 | static void | |
e3bb37b5 | 2712 | set_intel_syntax (int syntax_flag) |
252b5132 RH |
2713 | { |
2714 | /* Find out if register prefixing is specified. */ | |
2715 | int ask_naked_reg = 0; | |
2716 | ||
2717 | SKIP_WHITESPACE (); | |
29b0f896 | 2718 | if (!is_end_of_line[(unsigned char) *input_line_pointer]) |
252b5132 | 2719 | { |
d02603dc NC |
2720 | char *string; |
2721 | int e = get_symbol_name (&string); | |
252b5132 | 2722 | |
47926f60 | 2723 | if (strcmp (string, "prefix") == 0) |
252b5132 | 2724 | ask_naked_reg = 1; |
47926f60 | 2725 | else if (strcmp (string, "noprefix") == 0) |
252b5132 RH |
2726 | ask_naked_reg = -1; |
2727 | else | |
d0b47220 | 2728 | as_bad (_("bad argument to syntax directive.")); |
d02603dc | 2729 | (void) restore_line_pointer (e); |
252b5132 RH |
2730 | } |
2731 | demand_empty_rest_of_line (); | |
c3332e24 | 2732 | |
252b5132 RH |
2733 | intel_syntax = syntax_flag; |
2734 | ||
2735 | if (ask_naked_reg == 0) | |
f86103b7 AM |
2736 | allow_naked_reg = (intel_syntax |
2737 | && (bfd_get_symbol_leading_char (stdoutput) != '\0')); | |
252b5132 RH |
2738 | else |
2739 | allow_naked_reg = (ask_naked_reg < 0); | |
9306ca4a | 2740 | |
ee86248c | 2741 | expr_set_rank (O_full_ptr, syntax_flag ? 10 : 0); |
7ab9ffdd | 2742 | |
e4a3b5a4 | 2743 | identifier_chars['%'] = intel_syntax && allow_naked_reg ? '%' : 0; |
9306ca4a | 2744 | identifier_chars['$'] = intel_syntax ? '$' : 0; |
e4a3b5a4 | 2745 | register_prefix = allow_naked_reg ? "" : "%"; |
252b5132 RH |
2746 | } |
2747 | ||
1efbbeb4 L |
2748 | static void |
2749 | set_intel_mnemonic (int mnemonic_flag) | |
2750 | { | |
e1d4d893 | 2751 | intel_mnemonic = mnemonic_flag; |
1efbbeb4 L |
2752 | } |
2753 | ||
db51cc60 L |
2754 | static void |
2755 | set_allow_index_reg (int flag) | |
2756 | { | |
2757 | allow_index_reg = flag; | |
2758 | } | |
2759 | ||
cb19c032 | 2760 | static void |
7bab8ab5 | 2761 | set_check (int what) |
cb19c032 | 2762 | { |
7bab8ab5 JB |
2763 | enum check_kind *kind; |
2764 | const char *str; | |
2765 | ||
2766 | if (what) | |
2767 | { | |
2768 | kind = &operand_check; | |
2769 | str = "operand"; | |
2770 | } | |
2771 | else | |
2772 | { | |
2773 | kind = &sse_check; | |
2774 | str = "sse"; | |
2775 | } | |
2776 | ||
cb19c032 L |
2777 | SKIP_WHITESPACE (); |
2778 | ||
2779 | if (!is_end_of_line[(unsigned char) *input_line_pointer]) | |
2780 | { | |
d02603dc NC |
2781 | char *string; |
2782 | int e = get_symbol_name (&string); | |
cb19c032 L |
2783 | |
2784 | if (strcmp (string, "none") == 0) | |
7bab8ab5 | 2785 | *kind = check_none; |
cb19c032 | 2786 | else if (strcmp (string, "warning") == 0) |
7bab8ab5 | 2787 | *kind = check_warning; |
cb19c032 | 2788 | else if (strcmp (string, "error") == 0) |
7bab8ab5 | 2789 | *kind = check_error; |
cb19c032 | 2790 | else |
7bab8ab5 | 2791 | as_bad (_("bad argument to %s_check directive."), str); |
d02603dc | 2792 | (void) restore_line_pointer (e); |
cb19c032 L |
2793 | } |
2794 | else | |
7bab8ab5 | 2795 | as_bad (_("missing argument for %s_check directive"), str); |
cb19c032 L |
2796 | |
2797 | demand_empty_rest_of_line (); | |
2798 | } | |
2799 | ||
8a9036a4 L |
2800 | static void |
2801 | check_cpu_arch_compatible (const char *name ATTRIBUTE_UNUSED, | |
1e9cc1c2 | 2802 | i386_cpu_flags new_flag ATTRIBUTE_UNUSED) |
8a9036a4 L |
2803 | { |
2804 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
2805 | static const char *arch; | |
2806 | ||
2807 | /* Intel LIOM is only supported on ELF. */ | |
2808 | if (!IS_ELF) | |
2809 | return; | |
2810 | ||
2811 | if (!arch) | |
2812 | { | |
2813 | /* Use cpu_arch_name if it is set in md_parse_option. Otherwise | |
2814 | use default_arch. */ | |
2815 | arch = cpu_arch_name; | |
2816 | if (!arch) | |
2817 | arch = default_arch; | |
2818 | } | |
2819 | ||
81486035 L |
2820 | /* If we are targeting Intel MCU, we must enable it. */ |
2821 | if (get_elf_backend_data (stdoutput)->elf_machine_code != EM_IAMCU | |
2822 | || new_flag.bitfield.cpuiamcu) | |
2823 | return; | |
2824 | ||
3632d14b | 2825 | /* If we are targeting Intel L1OM, we must enable it. */ |
8a9036a4 | 2826 | if (get_elf_backend_data (stdoutput)->elf_machine_code != EM_L1OM |
1e9cc1c2 | 2827 | || new_flag.bitfield.cpul1om) |
8a9036a4 | 2828 | return; |
76ba9986 | 2829 | |
7a9068fe L |
2830 | /* If we are targeting Intel K1OM, we must enable it. */ |
2831 | if (get_elf_backend_data (stdoutput)->elf_machine_code != EM_K1OM | |
2832 | || new_flag.bitfield.cpuk1om) | |
2833 | return; | |
2834 | ||
8a9036a4 L |
2835 | as_bad (_("`%s' is not supported on `%s'"), name, arch); |
2836 | #endif | |
2837 | } | |
2838 | ||
e413e4e9 | 2839 | static void |
e3bb37b5 | 2840 | set_cpu_arch (int dummy ATTRIBUTE_UNUSED) |
e413e4e9 | 2841 | { |
47926f60 | 2842 | SKIP_WHITESPACE (); |
e413e4e9 | 2843 | |
29b0f896 | 2844 | if (!is_end_of_line[(unsigned char) *input_line_pointer]) |
e413e4e9 | 2845 | { |
d02603dc NC |
2846 | char *string; |
2847 | int e = get_symbol_name (&string); | |
91d6fa6a | 2848 | unsigned int j; |
40fb9820 | 2849 | i386_cpu_flags flags; |
e413e4e9 | 2850 | |
91d6fa6a | 2851 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) |
e413e4e9 | 2852 | { |
91d6fa6a | 2853 | if (strcmp (string, cpu_arch[j].name) == 0) |
e413e4e9 | 2854 | { |
91d6fa6a | 2855 | check_cpu_arch_compatible (string, cpu_arch[j].flags); |
8a9036a4 | 2856 | |
5c6af06e JB |
2857 | if (*string != '.') |
2858 | { | |
91d6fa6a | 2859 | cpu_arch_name = cpu_arch[j].name; |
5c6af06e | 2860 | cpu_sub_arch_name = NULL; |
91d6fa6a | 2861 | cpu_arch_flags = cpu_arch[j].flags; |
40fb9820 L |
2862 | if (flag_code == CODE_64BIT) |
2863 | { | |
2864 | cpu_arch_flags.bitfield.cpu64 = 1; | |
2865 | cpu_arch_flags.bitfield.cpuno64 = 0; | |
2866 | } | |
2867 | else | |
2868 | { | |
2869 | cpu_arch_flags.bitfield.cpu64 = 0; | |
2870 | cpu_arch_flags.bitfield.cpuno64 = 1; | |
2871 | } | |
91d6fa6a NC |
2872 | cpu_arch_isa = cpu_arch[j].type; |
2873 | cpu_arch_isa_flags = cpu_arch[j].flags; | |
ccc9c027 L |
2874 | if (!cpu_arch_tune_set) |
2875 | { | |
2876 | cpu_arch_tune = cpu_arch_isa; | |
2877 | cpu_arch_tune_flags = cpu_arch_isa_flags; | |
2878 | } | |
5c6af06e JB |
2879 | break; |
2880 | } | |
40fb9820 | 2881 | |
293f5f65 L |
2882 | flags = cpu_flags_or (cpu_arch_flags, |
2883 | cpu_arch[j].flags); | |
81486035 | 2884 | |
5b64d091 | 2885 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) |
5c6af06e | 2886 | { |
6305a203 L |
2887 | if (cpu_sub_arch_name) |
2888 | { | |
2889 | char *name = cpu_sub_arch_name; | |
2890 | cpu_sub_arch_name = concat (name, | |
91d6fa6a | 2891 | cpu_arch[j].name, |
1bf57e9f | 2892 | (const char *) NULL); |
6305a203 L |
2893 | free (name); |
2894 | } | |
2895 | else | |
91d6fa6a | 2896 | cpu_sub_arch_name = xstrdup (cpu_arch[j].name); |
40fb9820 | 2897 | cpu_arch_flags = flags; |
a586129e | 2898 | cpu_arch_isa_flags = flags; |
5c6af06e | 2899 | } |
0089dace L |
2900 | else |
2901 | cpu_arch_isa_flags | |
2902 | = cpu_flags_or (cpu_arch_isa_flags, | |
2903 | cpu_arch[j].flags); | |
d02603dc | 2904 | (void) restore_line_pointer (e); |
5c6af06e JB |
2905 | demand_empty_rest_of_line (); |
2906 | return; | |
e413e4e9 AM |
2907 | } |
2908 | } | |
293f5f65 L |
2909 | |
2910 | if (*string == '.' && j >= ARRAY_SIZE (cpu_arch)) | |
2911 | { | |
33eaf5de | 2912 | /* Disable an ISA extension. */ |
293f5f65 L |
2913 | for (j = 0; j < ARRAY_SIZE (cpu_noarch); j++) |
2914 | if (strcmp (string + 1, cpu_noarch [j].name) == 0) | |
2915 | { | |
2916 | flags = cpu_flags_and_not (cpu_arch_flags, | |
2917 | cpu_noarch[j].flags); | |
2918 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) | |
2919 | { | |
2920 | if (cpu_sub_arch_name) | |
2921 | { | |
2922 | char *name = cpu_sub_arch_name; | |
2923 | cpu_sub_arch_name = concat (name, string, | |
2924 | (const char *) NULL); | |
2925 | free (name); | |
2926 | } | |
2927 | else | |
2928 | cpu_sub_arch_name = xstrdup (string); | |
2929 | cpu_arch_flags = flags; | |
2930 | cpu_arch_isa_flags = flags; | |
2931 | } | |
2932 | (void) restore_line_pointer (e); | |
2933 | demand_empty_rest_of_line (); | |
2934 | return; | |
2935 | } | |
2936 | ||
2937 | j = ARRAY_SIZE (cpu_arch); | |
2938 | } | |
2939 | ||
91d6fa6a | 2940 | if (j >= ARRAY_SIZE (cpu_arch)) |
e413e4e9 AM |
2941 | as_bad (_("no such architecture: `%s'"), string); |
2942 | ||
2943 | *input_line_pointer = e; | |
2944 | } | |
2945 | else | |
2946 | as_bad (_("missing cpu architecture")); | |
2947 | ||
fddf5b5b AM |
2948 | no_cond_jump_promotion = 0; |
2949 | if (*input_line_pointer == ',' | |
29b0f896 | 2950 | && !is_end_of_line[(unsigned char) input_line_pointer[1]]) |
fddf5b5b | 2951 | { |
d02603dc NC |
2952 | char *string; |
2953 | char e; | |
2954 | ||
2955 | ++input_line_pointer; | |
2956 | e = get_symbol_name (&string); | |
fddf5b5b AM |
2957 | |
2958 | if (strcmp (string, "nojumps") == 0) | |
2959 | no_cond_jump_promotion = 1; | |
2960 | else if (strcmp (string, "jumps") == 0) | |
2961 | ; | |
2962 | else | |
2963 | as_bad (_("no such architecture modifier: `%s'"), string); | |
2964 | ||
d02603dc | 2965 | (void) restore_line_pointer (e); |
fddf5b5b AM |
2966 | } |
2967 | ||
e413e4e9 AM |
2968 | demand_empty_rest_of_line (); |
2969 | } | |
2970 | ||
8a9036a4 L |
2971 | enum bfd_architecture |
2972 | i386_arch (void) | |
2973 | { | |
3632d14b | 2974 | if (cpu_arch_isa == PROCESSOR_L1OM) |
8a9036a4 L |
2975 | { |
2976 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2977 | || flag_code != CODE_64BIT) | |
2978 | as_fatal (_("Intel L1OM is 64bit ELF only")); | |
2979 | return bfd_arch_l1om; | |
2980 | } | |
7a9068fe L |
2981 | else if (cpu_arch_isa == PROCESSOR_K1OM) |
2982 | { | |
2983 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2984 | || flag_code != CODE_64BIT) | |
2985 | as_fatal (_("Intel K1OM is 64bit ELF only")); | |
2986 | return bfd_arch_k1om; | |
2987 | } | |
81486035 L |
2988 | else if (cpu_arch_isa == PROCESSOR_IAMCU) |
2989 | { | |
2990 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2991 | || flag_code == CODE_64BIT) | |
2992 | as_fatal (_("Intel MCU is 32bit ELF only")); | |
2993 | return bfd_arch_iamcu; | |
2994 | } | |
8a9036a4 L |
2995 | else |
2996 | return bfd_arch_i386; | |
2997 | } | |
2998 | ||
b9d79e03 | 2999 | unsigned long |
7016a5d5 | 3000 | i386_mach (void) |
b9d79e03 | 3001 | { |
d34049e8 | 3002 | if (startswith (default_arch, "x86_64")) |
8a9036a4 | 3003 | { |
3632d14b | 3004 | if (cpu_arch_isa == PROCESSOR_L1OM) |
8a9036a4 | 3005 | { |
351f65ca L |
3006 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour |
3007 | || default_arch[6] != '\0') | |
8a9036a4 L |
3008 | as_fatal (_("Intel L1OM is 64bit ELF only")); |
3009 | return bfd_mach_l1om; | |
3010 | } | |
7a9068fe L |
3011 | else if (cpu_arch_isa == PROCESSOR_K1OM) |
3012 | { | |
3013 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
3014 | || default_arch[6] != '\0') | |
3015 | as_fatal (_("Intel K1OM is 64bit ELF only")); | |
3016 | return bfd_mach_k1om; | |
3017 | } | |
351f65ca | 3018 | else if (default_arch[6] == '\0') |
8a9036a4 | 3019 | return bfd_mach_x86_64; |
351f65ca L |
3020 | else |
3021 | return bfd_mach_x64_32; | |
8a9036a4 | 3022 | } |
5197d474 L |
3023 | else if (!strcmp (default_arch, "i386") |
3024 | || !strcmp (default_arch, "iamcu")) | |
81486035 L |
3025 | { |
3026 | if (cpu_arch_isa == PROCESSOR_IAMCU) | |
3027 | { | |
3028 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour) | |
3029 | as_fatal (_("Intel MCU is 32bit ELF only")); | |
3030 | return bfd_mach_i386_iamcu; | |
3031 | } | |
3032 | else | |
3033 | return bfd_mach_i386_i386; | |
3034 | } | |
b9d79e03 | 3035 | else |
2b5d6a91 | 3036 | as_fatal (_("unknown architecture")); |
b9d79e03 | 3037 | } |
b9d79e03 | 3038 | \f |
252b5132 | 3039 | void |
7016a5d5 | 3040 | md_begin (void) |
252b5132 | 3041 | { |
86fa6981 L |
3042 | /* Support pseudo prefixes like {disp32}. */ |
3043 | lex_type ['{'] = LEX_BEGIN_NAME; | |
3044 | ||
47926f60 | 3045 | /* Initialize op_hash hash table. */ |
629310ab | 3046 | op_hash = str_htab_create (); |
252b5132 RH |
3047 | |
3048 | { | |
d3ce72d0 | 3049 | const insn_template *optab; |
29b0f896 | 3050 | templates *core_optab; |
252b5132 | 3051 | |
47926f60 KH |
3052 | /* Setup for loop. */ |
3053 | optab = i386_optab; | |
add39d23 | 3054 | core_optab = XNEW (templates); |
252b5132 RH |
3055 | core_optab->start = optab; |
3056 | ||
3057 | while (1) | |
3058 | { | |
3059 | ++optab; | |
3060 | if (optab->name == NULL | |
3061 | || strcmp (optab->name, (optab - 1)->name) != 0) | |
3062 | { | |
3063 | /* different name --> ship out current template list; | |
47926f60 | 3064 | add to hash table; & begin anew. */ |
252b5132 | 3065 | core_optab->end = optab; |
fe0e921f AM |
3066 | if (str_hash_insert (op_hash, (optab - 1)->name, core_optab, 0)) |
3067 | as_fatal (_("duplicate %s"), (optab - 1)->name); | |
3068 | ||
252b5132 RH |
3069 | if (optab->name == NULL) |
3070 | break; | |
add39d23 | 3071 | core_optab = XNEW (templates); |
252b5132 RH |
3072 | core_optab->start = optab; |
3073 | } | |
3074 | } | |
3075 | } | |
3076 | ||
47926f60 | 3077 | /* Initialize reg_hash hash table. */ |
629310ab | 3078 | reg_hash = str_htab_create (); |
252b5132 | 3079 | { |
29b0f896 | 3080 | const reg_entry *regtab; |
c3fe08fa | 3081 | unsigned int regtab_size = i386_regtab_size; |
252b5132 | 3082 | |
c3fe08fa | 3083 | for (regtab = i386_regtab; regtab_size--; regtab++) |
6225c532 | 3084 | { |
6288d05f JB |
3085 | switch (regtab->reg_type.bitfield.class) |
3086 | { | |
3087 | case Reg: | |
34684862 JB |
3088 | if (regtab->reg_type.bitfield.dword) |
3089 | { | |
3090 | if (regtab->reg_type.bitfield.instance == Accum) | |
3091 | reg_eax = regtab; | |
3092 | } | |
3093 | else if (regtab->reg_type.bitfield.tbyte) | |
6288d05f JB |
3094 | { |
3095 | /* There's no point inserting st(<N>) in the hash table, as | |
3096 | parentheses aren't included in register_chars[] anyway. */ | |
3097 | if (regtab->reg_type.bitfield.instance != Accum) | |
3098 | continue; | |
3099 | reg_st0 = regtab; | |
3100 | } | |
3101 | break; | |
3102 | ||
5e042380 JB |
3103 | case SReg: |
3104 | switch (regtab->reg_num) | |
3105 | { | |
3106 | case 0: reg_es = regtab; break; | |
3107 | case 2: reg_ss = regtab; break; | |
3108 | case 3: reg_ds = regtab; break; | |
3109 | } | |
3110 | break; | |
3111 | ||
6288d05f JB |
3112 | case RegMask: |
3113 | if (!regtab->reg_num) | |
3114 | reg_k0 = regtab; | |
3115 | break; | |
3116 | } | |
3117 | ||
6225c532 JB |
3118 | if (str_hash_insert (reg_hash, regtab->reg_name, regtab, 0) != NULL) |
3119 | as_fatal (_("duplicate %s"), regtab->reg_name); | |
6225c532 | 3120 | } |
252b5132 RH |
3121 | } |
3122 | ||
47926f60 | 3123 | /* Fill in lexical tables: mnemonic_chars, operand_chars. */ |
252b5132 | 3124 | { |
29b0f896 AM |
3125 | int c; |
3126 | char *p; | |
252b5132 RH |
3127 | |
3128 | for (c = 0; c < 256; c++) | |
3129 | { | |
3882b010 | 3130 | if (ISDIGIT (c)) |
252b5132 RH |
3131 | { |
3132 | digit_chars[c] = c; | |
3133 | mnemonic_chars[c] = c; | |
3134 | register_chars[c] = c; | |
3135 | operand_chars[c] = c; | |
3136 | } | |
3882b010 | 3137 | else if (ISLOWER (c)) |
252b5132 RH |
3138 | { |
3139 | mnemonic_chars[c] = c; | |
3140 | register_chars[c] = c; | |
3141 | operand_chars[c] = c; | |
3142 | } | |
3882b010 | 3143 | else if (ISUPPER (c)) |
252b5132 | 3144 | { |
3882b010 | 3145 | mnemonic_chars[c] = TOLOWER (c); |
252b5132 RH |
3146 | register_chars[c] = mnemonic_chars[c]; |
3147 | operand_chars[c] = c; | |
3148 | } | |
43234a1e | 3149 | else if (c == '{' || c == '}') |
86fa6981 L |
3150 | { |
3151 | mnemonic_chars[c] = c; | |
3152 | operand_chars[c] = c; | |
3153 | } | |
b3983e5f JB |
3154 | #ifdef SVR4_COMMENT_CHARS |
3155 | else if (c == '\\' && strchr (i386_comment_chars, '/')) | |
3156 | operand_chars[c] = c; | |
3157 | #endif | |
252b5132 | 3158 | |
3882b010 | 3159 | if (ISALPHA (c) || ISDIGIT (c)) |
252b5132 RH |
3160 | identifier_chars[c] = c; |
3161 | else if (c >= 128) | |
3162 | { | |
3163 | identifier_chars[c] = c; | |
3164 | operand_chars[c] = c; | |
3165 | } | |
3166 | } | |
3167 | ||
3168 | #ifdef LEX_AT | |
3169 | identifier_chars['@'] = '@'; | |
32137342 NC |
3170 | #endif |
3171 | #ifdef LEX_QM | |
3172 | identifier_chars['?'] = '?'; | |
3173 | operand_chars['?'] = '?'; | |
252b5132 | 3174 | #endif |
252b5132 | 3175 | digit_chars['-'] = '-'; |
c0f3af97 | 3176 | mnemonic_chars['_'] = '_'; |
791fe849 | 3177 | mnemonic_chars['-'] = '-'; |
0003779b | 3178 | mnemonic_chars['.'] = '.'; |
252b5132 RH |
3179 | identifier_chars['_'] = '_'; |
3180 | identifier_chars['.'] = '.'; | |
3181 | ||
3182 | for (p = operand_special_chars; *p != '\0'; p++) | |
3183 | operand_chars[(unsigned char) *p] = *p; | |
3184 | } | |
3185 | ||
a4447b93 RH |
3186 | if (flag_code == CODE_64BIT) |
3187 | { | |
ca19b261 KT |
3188 | #if defined (OBJ_COFF) && defined (TE_PE) |
3189 | x86_dwarf2_return_column = (OUTPUT_FLAVOR == bfd_target_coff_flavour | |
3190 | ? 32 : 16); | |
3191 | #else | |
a4447b93 | 3192 | x86_dwarf2_return_column = 16; |
ca19b261 | 3193 | #endif |
61ff971f | 3194 | x86_cie_data_alignment = -8; |
a4447b93 RH |
3195 | } |
3196 | else | |
3197 | { | |
3198 | x86_dwarf2_return_column = 8; | |
3199 | x86_cie_data_alignment = -4; | |
3200 | } | |
e379e5f3 L |
3201 | |
3202 | /* NB: FUSED_JCC_PADDING frag must have sufficient room so that it | |
3203 | can be turned into BRANCH_PREFIX frag. */ | |
3204 | if (align_branch_prefix_size > MAX_FUSED_JCC_PADDING_SIZE) | |
3205 | abort (); | |
252b5132 RH |
3206 | } |
3207 | ||
3208 | void | |
e3bb37b5 | 3209 | i386_print_statistics (FILE *file) |
252b5132 | 3210 | { |
629310ab ML |
3211 | htab_print_statistics (file, "i386 opcode", op_hash); |
3212 | htab_print_statistics (file, "i386 register", reg_hash); | |
252b5132 RH |
3213 | } |
3214 | \f | |
252b5132 RH |
3215 | #ifdef DEBUG386 |
3216 | ||
ce8a8b2f | 3217 | /* Debugging routines for md_assemble. */ |
d3ce72d0 | 3218 | static void pte (insn_template *); |
40fb9820 | 3219 | static void pt (i386_operand_type); |
e3bb37b5 L |
3220 | static void pe (expressionS *); |
3221 | static void ps (symbolS *); | |
252b5132 RH |
3222 | |
3223 | static void | |
2c703856 | 3224 | pi (const char *line, i386_insn *x) |
252b5132 | 3225 | { |
09137c09 | 3226 | unsigned int j; |
252b5132 RH |
3227 | |
3228 | fprintf (stdout, "%s: template ", line); | |
3229 | pte (&x->tm); | |
09f131f2 JH |
3230 | fprintf (stdout, " address: base %s index %s scale %x\n", |
3231 | x->base_reg ? x->base_reg->reg_name : "none", | |
3232 | x->index_reg ? x->index_reg->reg_name : "none", | |
3233 | x->log2_scale_factor); | |
3234 | fprintf (stdout, " modrm: mode %x reg %x reg/mem %x\n", | |
252b5132 | 3235 | x->rm.mode, x->rm.reg, x->rm.regmem); |
09f131f2 JH |
3236 | fprintf (stdout, " sib: base %x index %x scale %x\n", |
3237 | x->sib.base, x->sib.index, x->sib.scale); | |
3238 | fprintf (stdout, " rex: 64bit %x extX %x extY %x extZ %x\n", | |
161a04f6 L |
3239 | (x->rex & REX_W) != 0, |
3240 | (x->rex & REX_R) != 0, | |
3241 | (x->rex & REX_X) != 0, | |
3242 | (x->rex & REX_B) != 0); | |
09137c09 | 3243 | for (j = 0; j < x->operands; j++) |
252b5132 | 3244 | { |
09137c09 SP |
3245 | fprintf (stdout, " #%d: ", j + 1); |
3246 | pt (x->types[j]); | |
252b5132 | 3247 | fprintf (stdout, "\n"); |
bab6aec1 | 3248 | if (x->types[j].bitfield.class == Reg |
3528c362 JB |
3249 | || x->types[j].bitfield.class == RegMMX |
3250 | || x->types[j].bitfield.class == RegSIMD | |
dd6b8a0b | 3251 | || x->types[j].bitfield.class == RegMask |
00cee14f | 3252 | || x->types[j].bitfield.class == SReg |
4a5c67ed JB |
3253 | || x->types[j].bitfield.class == RegCR |
3254 | || x->types[j].bitfield.class == RegDR | |
dd6b8a0b JB |
3255 | || x->types[j].bitfield.class == RegTR |
3256 | || x->types[j].bitfield.class == RegBND) | |
09137c09 SP |
3257 | fprintf (stdout, "%s\n", x->op[j].regs->reg_name); |
3258 | if (operand_type_check (x->types[j], imm)) | |
3259 | pe (x->op[j].imms); | |
3260 | if (operand_type_check (x->types[j], disp)) | |
3261 | pe (x->op[j].disps); | |
252b5132 RH |
3262 | } |
3263 | } | |
3264 | ||
3265 | static void | |
d3ce72d0 | 3266 | pte (insn_template *t) |
252b5132 | 3267 | { |
b933fa4b | 3268 | static const unsigned char opc_pfx[] = { 0, 0x66, 0xf3, 0xf2 }; |
441f6aca JB |
3269 | static const char *const opc_spc[] = { |
3270 | NULL, "0f", "0f38", "0f3a", NULL, NULL, NULL, NULL, | |
3271 | "XOP08", "XOP09", "XOP0A", | |
3272 | }; | |
09137c09 | 3273 | unsigned int j; |
441f6aca | 3274 | |
252b5132 | 3275 | fprintf (stdout, " %d operands ", t->operands); |
441f6aca JB |
3276 | if (opc_pfx[t->opcode_modifier.opcodeprefix]) |
3277 | fprintf (stdout, "pfx %x ", opc_pfx[t->opcode_modifier.opcodeprefix]); | |
3278 | if (opc_spc[t->opcode_modifier.opcodespace]) | |
3279 | fprintf (stdout, "space %s ", opc_spc[t->opcode_modifier.opcodespace]); | |
47926f60 | 3280 | fprintf (stdout, "opcode %x ", t->base_opcode); |
252b5132 RH |
3281 | if (t->extension_opcode != None) |
3282 | fprintf (stdout, "ext %x ", t->extension_opcode); | |
40fb9820 | 3283 | if (t->opcode_modifier.d) |
252b5132 | 3284 | fprintf (stdout, "D"); |
40fb9820 | 3285 | if (t->opcode_modifier.w) |
252b5132 RH |
3286 | fprintf (stdout, "W"); |
3287 | fprintf (stdout, "\n"); | |
09137c09 | 3288 | for (j = 0; j < t->operands; j++) |
252b5132 | 3289 | { |
09137c09 SP |
3290 | fprintf (stdout, " #%d type ", j + 1); |
3291 | pt (t->operand_types[j]); | |
252b5132 RH |
3292 | fprintf (stdout, "\n"); |
3293 | } | |
3294 | } | |
3295 | ||
3296 | static void | |
e3bb37b5 | 3297 | pe (expressionS *e) |
252b5132 | 3298 | { |
24eab124 | 3299 | fprintf (stdout, " operation %d\n", e->X_op); |
7b025ee8 JB |
3300 | fprintf (stdout, " add_number %" BFD_VMA_FMT "d (%" BFD_VMA_FMT "x)\n", |
3301 | e->X_add_number, e->X_add_number); | |
252b5132 RH |
3302 | if (e->X_add_symbol) |
3303 | { | |
3304 | fprintf (stdout, " add_symbol "); | |
3305 | ps (e->X_add_symbol); | |
3306 | fprintf (stdout, "\n"); | |
3307 | } | |
3308 | if (e->X_op_symbol) | |
3309 | { | |
3310 | fprintf (stdout, " op_symbol "); | |
3311 | ps (e->X_op_symbol); | |
3312 | fprintf (stdout, "\n"); | |
3313 | } | |
3314 | } | |
3315 | ||
3316 | static void | |
e3bb37b5 | 3317 | ps (symbolS *s) |
252b5132 RH |
3318 | { |
3319 | fprintf (stdout, "%s type %s%s", | |
3320 | S_GET_NAME (s), | |
3321 | S_IS_EXTERNAL (s) ? "EXTERNAL " : "", | |
3322 | segment_name (S_GET_SEGMENT (s))); | |
3323 | } | |
3324 | ||
7b81dfbb | 3325 | static struct type_name |
252b5132 | 3326 | { |
40fb9820 L |
3327 | i386_operand_type mask; |
3328 | const char *name; | |
252b5132 | 3329 | } |
7b81dfbb | 3330 | const type_names[] = |
252b5132 | 3331 | { |
40fb9820 L |
3332 | { OPERAND_TYPE_REG8, "r8" }, |
3333 | { OPERAND_TYPE_REG16, "r16" }, | |
3334 | { OPERAND_TYPE_REG32, "r32" }, | |
3335 | { OPERAND_TYPE_REG64, "r64" }, | |
2c703856 JB |
3336 | { OPERAND_TYPE_ACC8, "acc8" }, |
3337 | { OPERAND_TYPE_ACC16, "acc16" }, | |
3338 | { OPERAND_TYPE_ACC32, "acc32" }, | |
3339 | { OPERAND_TYPE_ACC64, "acc64" }, | |
40fb9820 L |
3340 | { OPERAND_TYPE_IMM8, "i8" }, |
3341 | { OPERAND_TYPE_IMM8, "i8s" }, | |
3342 | { OPERAND_TYPE_IMM16, "i16" }, | |
3343 | { OPERAND_TYPE_IMM32, "i32" }, | |
3344 | { OPERAND_TYPE_IMM32S, "i32s" }, | |
3345 | { OPERAND_TYPE_IMM64, "i64" }, | |
3346 | { OPERAND_TYPE_IMM1, "i1" }, | |
3347 | { OPERAND_TYPE_BASEINDEX, "BaseIndex" }, | |
3348 | { OPERAND_TYPE_DISP8, "d8" }, | |
3349 | { OPERAND_TYPE_DISP16, "d16" }, | |
3350 | { OPERAND_TYPE_DISP32, "d32" }, | |
3351 | { OPERAND_TYPE_DISP32S, "d32s" }, | |
3352 | { OPERAND_TYPE_DISP64, "d64" }, | |
3353 | { OPERAND_TYPE_INOUTPORTREG, "InOutPortReg" }, | |
3354 | { OPERAND_TYPE_SHIFTCOUNT, "ShiftCount" }, | |
3355 | { OPERAND_TYPE_CONTROL, "control reg" }, | |
3356 | { OPERAND_TYPE_TEST, "test reg" }, | |
3357 | { OPERAND_TYPE_DEBUG, "debug reg" }, | |
3358 | { OPERAND_TYPE_FLOATREG, "FReg" }, | |
3359 | { OPERAND_TYPE_FLOATACC, "FAcc" }, | |
21df382b | 3360 | { OPERAND_TYPE_SREG, "SReg" }, |
40fb9820 L |
3361 | { OPERAND_TYPE_REGMMX, "rMMX" }, |
3362 | { OPERAND_TYPE_REGXMM, "rXMM" }, | |
0349dc08 | 3363 | { OPERAND_TYPE_REGYMM, "rYMM" }, |
43234a1e | 3364 | { OPERAND_TYPE_REGZMM, "rZMM" }, |
260cd341 | 3365 | { OPERAND_TYPE_REGTMM, "rTMM" }, |
43234a1e | 3366 | { OPERAND_TYPE_REGMASK, "Mask reg" }, |
252b5132 RH |
3367 | }; |
3368 | ||
3369 | static void | |
40fb9820 | 3370 | pt (i386_operand_type t) |
252b5132 | 3371 | { |
40fb9820 | 3372 | unsigned int j; |
c6fb90c8 | 3373 | i386_operand_type a; |
252b5132 | 3374 | |
40fb9820 | 3375 | for (j = 0; j < ARRAY_SIZE (type_names); j++) |
c6fb90c8 L |
3376 | { |
3377 | a = operand_type_and (t, type_names[j].mask); | |
2c703856 | 3378 | if (operand_type_equal (&a, &type_names[j].mask)) |
c6fb90c8 L |
3379 | fprintf (stdout, "%s, ", type_names[j].name); |
3380 | } | |
252b5132 RH |
3381 | fflush (stdout); |
3382 | } | |
3383 | ||
3384 | #endif /* DEBUG386 */ | |
3385 | \f | |
252b5132 | 3386 | static bfd_reloc_code_real_type |
3956db08 | 3387 | reloc (unsigned int size, |
64e74474 AM |
3388 | int pcrel, |
3389 | int sign, | |
3390 | bfd_reloc_code_real_type other) | |
252b5132 | 3391 | { |
47926f60 | 3392 | if (other != NO_RELOC) |
3956db08 | 3393 | { |
91d6fa6a | 3394 | reloc_howto_type *rel; |
3956db08 JB |
3395 | |
3396 | if (size == 8) | |
3397 | switch (other) | |
3398 | { | |
64e74474 AM |
3399 | case BFD_RELOC_X86_64_GOT32: |
3400 | return BFD_RELOC_X86_64_GOT64; | |
3401 | break; | |
553d1284 L |
3402 | case BFD_RELOC_X86_64_GOTPLT64: |
3403 | return BFD_RELOC_X86_64_GOTPLT64; | |
3404 | break; | |
64e74474 AM |
3405 | case BFD_RELOC_X86_64_PLTOFF64: |
3406 | return BFD_RELOC_X86_64_PLTOFF64; | |
3407 | break; | |
3408 | case BFD_RELOC_X86_64_GOTPC32: | |
3409 | other = BFD_RELOC_X86_64_GOTPC64; | |
3410 | break; | |
3411 | case BFD_RELOC_X86_64_GOTPCREL: | |
3412 | other = BFD_RELOC_X86_64_GOTPCREL64; | |
3413 | break; | |
3414 | case BFD_RELOC_X86_64_TPOFF32: | |
3415 | other = BFD_RELOC_X86_64_TPOFF64; | |
3416 | break; | |
3417 | case BFD_RELOC_X86_64_DTPOFF32: | |
3418 | other = BFD_RELOC_X86_64_DTPOFF64; | |
3419 | break; | |
3420 | default: | |
3421 | break; | |
3956db08 | 3422 | } |
e05278af | 3423 | |
8ce3d284 | 3424 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8fd4256d L |
3425 | if (other == BFD_RELOC_SIZE32) |
3426 | { | |
3427 | if (size == 8) | |
1ab668bf | 3428 | other = BFD_RELOC_SIZE64; |
8fd4256d | 3429 | if (pcrel) |
1ab668bf AM |
3430 | { |
3431 | as_bad (_("there are no pc-relative size relocations")); | |
3432 | return NO_RELOC; | |
3433 | } | |
8fd4256d | 3434 | } |
8ce3d284 | 3435 | #endif |
8fd4256d | 3436 | |
e05278af | 3437 | /* Sign-checking 4-byte relocations in 16-/32-bit code is pointless. */ |
f2d8a97c | 3438 | if (size == 4 && (flag_code != CODE_64BIT || disallow_64bit_reloc)) |
e05278af JB |
3439 | sign = -1; |
3440 | ||
91d6fa6a NC |
3441 | rel = bfd_reloc_type_lookup (stdoutput, other); |
3442 | if (!rel) | |
3956db08 | 3443 | as_bad (_("unknown relocation (%u)"), other); |
91d6fa6a | 3444 | else if (size != bfd_get_reloc_size (rel)) |
3956db08 | 3445 | as_bad (_("%u-byte relocation cannot be applied to %u-byte field"), |
91d6fa6a | 3446 | bfd_get_reloc_size (rel), |
3956db08 | 3447 | size); |
91d6fa6a | 3448 | else if (pcrel && !rel->pc_relative) |
3956db08 | 3449 | as_bad (_("non-pc-relative relocation for pc-relative field")); |
91d6fa6a | 3450 | else if ((rel->complain_on_overflow == complain_overflow_signed |
3956db08 | 3451 | && !sign) |
91d6fa6a | 3452 | || (rel->complain_on_overflow == complain_overflow_unsigned |
64e74474 | 3453 | && sign > 0)) |
3956db08 JB |
3454 | as_bad (_("relocated field and relocation type differ in signedness")); |
3455 | else | |
3456 | return other; | |
3457 | return NO_RELOC; | |
3458 | } | |
252b5132 RH |
3459 | |
3460 | if (pcrel) | |
3461 | { | |
3e73aa7c | 3462 | if (!sign) |
3956db08 | 3463 | as_bad (_("there are no unsigned pc-relative relocations")); |
252b5132 RH |
3464 | switch (size) |
3465 | { | |
3466 | case 1: return BFD_RELOC_8_PCREL; | |
3467 | case 2: return BFD_RELOC_16_PCREL; | |
d258b828 | 3468 | case 4: return BFD_RELOC_32_PCREL; |
d6ab8113 | 3469 | case 8: return BFD_RELOC_64_PCREL; |
252b5132 | 3470 | } |
3956db08 | 3471 | as_bad (_("cannot do %u byte pc-relative relocation"), size); |
252b5132 RH |
3472 | } |
3473 | else | |
3474 | { | |
3956db08 | 3475 | if (sign > 0) |
e5cb08ac | 3476 | switch (size) |
3e73aa7c JH |
3477 | { |
3478 | case 4: return BFD_RELOC_X86_64_32S; | |
3479 | } | |
3480 | else | |
3481 | switch (size) | |
3482 | { | |
3483 | case 1: return BFD_RELOC_8; | |
3484 | case 2: return BFD_RELOC_16; | |
3485 | case 4: return BFD_RELOC_32; | |
3486 | case 8: return BFD_RELOC_64; | |
3487 | } | |
3956db08 JB |
3488 | as_bad (_("cannot do %s %u byte relocation"), |
3489 | sign > 0 ? "signed" : "unsigned", size); | |
252b5132 RH |
3490 | } |
3491 | ||
0cc9e1d3 | 3492 | return NO_RELOC; |
252b5132 RH |
3493 | } |
3494 | ||
47926f60 KH |
3495 | /* Here we decide which fixups can be adjusted to make them relative to |
3496 | the beginning of the section instead of the symbol. Basically we need | |
3497 | to make sure that the dynamic relocations are done correctly, so in | |
3498 | some cases we force the original symbol to be used. */ | |
3499 | ||
252b5132 | 3500 | int |
e3bb37b5 | 3501 | tc_i386_fix_adjustable (fixS *fixP ATTRIBUTE_UNUSED) |
252b5132 | 3502 | { |
6d249963 | 3503 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
718ddfc0 | 3504 | if (!IS_ELF) |
31312f95 AM |
3505 | return 1; |
3506 | ||
a161fe53 AM |
3507 | /* Don't adjust pc-relative references to merge sections in 64-bit |
3508 | mode. */ | |
3509 | if (use_rela_relocations | |
3510 | && (S_GET_SEGMENT (fixP->fx_addsy)->flags & SEC_MERGE) != 0 | |
3511 | && fixP->fx_pcrel) | |
252b5132 | 3512 | return 0; |
31312f95 | 3513 | |
8d01d9a9 AJ |
3514 | /* The x86_64 GOTPCREL are represented as 32bit PCrel relocations |
3515 | and changed later by validate_fix. */ | |
3516 | if (GOT_symbol && fixP->fx_subsy == GOT_symbol | |
3517 | && fixP->fx_r_type == BFD_RELOC_32_PCREL) | |
3518 | return 0; | |
3519 | ||
8fd4256d L |
3520 | /* Adjust_reloc_syms doesn't know about the GOT. Need to keep symbol |
3521 | for size relocations. */ | |
3522 | if (fixP->fx_r_type == BFD_RELOC_SIZE32 | |
3523 | || fixP->fx_r_type == BFD_RELOC_SIZE64 | |
3524 | || fixP->fx_r_type == BFD_RELOC_386_GOTOFF | |
252b5132 | 3525 | || fixP->fx_r_type == BFD_RELOC_386_GOT32 |
02a86693 | 3526 | || fixP->fx_r_type == BFD_RELOC_386_GOT32X |
13ae64f3 JJ |
3527 | || fixP->fx_r_type == BFD_RELOC_386_TLS_GD |
3528 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LDM | |
3529 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LDO_32 | |
3530 | || fixP->fx_r_type == BFD_RELOC_386_TLS_IE_32 | |
37e55690 JJ |
3531 | || fixP->fx_r_type == BFD_RELOC_386_TLS_IE |
3532 | || fixP->fx_r_type == BFD_RELOC_386_TLS_GOTIE | |
13ae64f3 JJ |
3533 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LE_32 |
3534 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LE | |
67a4f2b7 AO |
3535 | || fixP->fx_r_type == BFD_RELOC_386_TLS_GOTDESC |
3536 | || fixP->fx_r_type == BFD_RELOC_386_TLS_DESC_CALL | |
3e73aa7c | 3537 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOT32 |
80b3ee89 | 3538 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTPCREL |
56ceb5b5 L |
3539 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTPCRELX |
3540 | || fixP->fx_r_type == BFD_RELOC_X86_64_REX_GOTPCRELX | |
bffbf940 JJ |
3541 | || fixP->fx_r_type == BFD_RELOC_X86_64_TLSGD |
3542 | || fixP->fx_r_type == BFD_RELOC_X86_64_TLSLD | |
3543 | || fixP->fx_r_type == BFD_RELOC_X86_64_DTPOFF32 | |
d6ab8113 | 3544 | || fixP->fx_r_type == BFD_RELOC_X86_64_DTPOFF64 |
bffbf940 JJ |
3545 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTTPOFF |
3546 | || fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF32 | |
d6ab8113 JB |
3547 | || fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF64 |
3548 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTOFF64 | |
67a4f2b7 AO |
3549 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTPC32_TLSDESC |
3550 | || fixP->fx_r_type == BFD_RELOC_X86_64_TLSDESC_CALL | |
252b5132 RH |
3551 | || fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
3552 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
3553 | return 0; | |
31312f95 | 3554 | #endif |
252b5132 RH |
3555 | return 1; |
3556 | } | |
252b5132 | 3557 | |
a9aabc23 JB |
3558 | static INLINE bool |
3559 | want_disp32 (const insn_template *t) | |
3560 | { | |
3561 | return flag_code != CODE_64BIT | |
3562 | || i.prefix[ADDR_PREFIX] | |
3563 | || (t->base_opcode == 0x8d | |
3564 | && t->opcode_modifier.opcodespace == SPACE_BASE | |
3565 | && !i.types[1].bitfield.qword); | |
3566 | } | |
3567 | ||
b4cac588 | 3568 | static int |
e3bb37b5 | 3569 | intel_float_operand (const char *mnemonic) |
252b5132 | 3570 | { |
9306ca4a JB |
3571 | /* Note that the value returned is meaningful only for opcodes with (memory) |
3572 | operands, hence the code here is free to improperly handle opcodes that | |
3573 | have no operands (for better performance and smaller code). */ | |
3574 | ||
3575 | if (mnemonic[0] != 'f') | |
3576 | return 0; /* non-math */ | |
3577 | ||
3578 | switch (mnemonic[1]) | |
3579 | { | |
3580 | /* fclex, fdecstp, fdisi, femms, feni, fincstp, finit, fsetpm, and | |
3581 | the fs segment override prefix not currently handled because no | |
3582 | call path can make opcodes without operands get here */ | |
3583 | case 'i': | |
3584 | return 2 /* integer op */; | |
3585 | case 'l': | |
3586 | if (mnemonic[2] == 'd' && (mnemonic[3] == 'c' || mnemonic[3] == 'e')) | |
3587 | return 3; /* fldcw/fldenv */ | |
3588 | break; | |
3589 | case 'n': | |
3590 | if (mnemonic[2] != 'o' /* fnop */) | |
3591 | return 3; /* non-waiting control op */ | |
3592 | break; | |
3593 | case 'r': | |
3594 | if (mnemonic[2] == 's') | |
3595 | return 3; /* frstor/frstpm */ | |
3596 | break; | |
3597 | case 's': | |
3598 | if (mnemonic[2] == 'a') | |
3599 | return 3; /* fsave */ | |
3600 | if (mnemonic[2] == 't') | |
3601 | { | |
3602 | switch (mnemonic[3]) | |
3603 | { | |
3604 | case 'c': /* fstcw */ | |
3605 | case 'd': /* fstdw */ | |
3606 | case 'e': /* fstenv */ | |
3607 | case 's': /* fsts[gw] */ | |
3608 | return 3; | |
3609 | } | |
3610 | } | |
3611 | break; | |
3612 | case 'x': | |
3613 | if (mnemonic[2] == 'r' || mnemonic[2] == 's') | |
3614 | return 0; /* fxsave/fxrstor are not really math ops */ | |
3615 | break; | |
3616 | } | |
252b5132 | 3617 | |
9306ca4a | 3618 | return 1; |
252b5132 RH |
3619 | } |
3620 | ||
9a182d04 JB |
3621 | static INLINE void |
3622 | install_template (const insn_template *t) | |
3623 | { | |
3624 | unsigned int l; | |
3625 | ||
3626 | i.tm = *t; | |
3627 | ||
3628 | /* Note that for pseudo prefixes this produces a length of 1. But for them | |
3629 | the length isn't interesting at all. */ | |
3630 | for (l = 1; l < 4; ++l) | |
3631 | if (!(t->base_opcode >> (8 * l))) | |
3632 | break; | |
3633 | ||
3634 | i.opcode_length = l; | |
3635 | } | |
3636 | ||
c0f3af97 L |
3637 | /* Build the VEX prefix. */ |
3638 | ||
3639 | static void | |
d3ce72d0 | 3640 | build_vex_prefix (const insn_template *t) |
c0f3af97 L |
3641 | { |
3642 | unsigned int register_specifier; | |
c0f3af97 | 3643 | unsigned int vector_length; |
03751133 | 3644 | unsigned int w; |
c0f3af97 L |
3645 | |
3646 | /* Check register specifier. */ | |
3647 | if (i.vex.register_specifier) | |
43234a1e L |
3648 | { |
3649 | register_specifier = | |
3650 | ~register_number (i.vex.register_specifier) & 0xf; | |
3651 | gas_assert ((i.vex.register_specifier->reg_flags & RegVRex) == 0); | |
3652 | } | |
c0f3af97 L |
3653 | else |
3654 | register_specifier = 0xf; | |
3655 | ||
79f0fa25 L |
3656 | /* Use 2-byte VEX prefix by swapping destination and source operand |
3657 | if there are more than 1 register operand. */ | |
3658 | if (i.reg_operands > 1 | |
3659 | && i.vec_encoding != vex_encoding_vex3 | |
86fa6981 | 3660 | && i.dir_encoding == dir_encoding_default |
fa99fab2 | 3661 | && i.operands == i.reg_operands |
dbbc8b7e | 3662 | && operand_type_equal (&i.types[0], &i.types[i.operands - 1]) |
441f6aca | 3663 | && i.tm.opcode_modifier.opcodespace == SPACE_0F |
dbbc8b7e | 3664 | && (i.tm.opcode_modifier.load || i.tm.opcode_modifier.d) |
fa99fab2 L |
3665 | && i.rex == REX_B) |
3666 | { | |
3667 | unsigned int xchg = i.operands - 1; | |
3668 | union i386_op temp_op; | |
3669 | i386_operand_type temp_type; | |
3670 | ||
3671 | temp_type = i.types[xchg]; | |
3672 | i.types[xchg] = i.types[0]; | |
3673 | i.types[0] = temp_type; | |
3674 | temp_op = i.op[xchg]; | |
3675 | i.op[xchg] = i.op[0]; | |
3676 | i.op[0] = temp_op; | |
3677 | ||
9c2799c2 | 3678 | gas_assert (i.rm.mode == 3); |
fa99fab2 L |
3679 | |
3680 | i.rex = REX_R; | |
3681 | xchg = i.rm.regmem; | |
3682 | i.rm.regmem = i.rm.reg; | |
3683 | i.rm.reg = xchg; | |
3684 | ||
dbbc8b7e JB |
3685 | if (i.tm.opcode_modifier.d) |
3686 | i.tm.base_opcode ^= (i.tm.base_opcode & 0xee) != 0x6e | |
3687 | ? Opcode_SIMD_FloatD : Opcode_SIMD_IntD; | |
3688 | else /* Use the next insn. */ | |
9a182d04 | 3689 | install_template (&t[1]); |
fa99fab2 L |
3690 | } |
3691 | ||
79dec6b7 JB |
3692 | /* Use 2-byte VEX prefix by swapping commutative source operands if there |
3693 | are no memory operands and at least 3 register ones. */ | |
3694 | if (i.reg_operands >= 3 | |
3695 | && i.vec_encoding != vex_encoding_vex3 | |
3696 | && i.reg_operands == i.operands - i.imm_operands | |
3697 | && i.tm.opcode_modifier.vex | |
3698 | && i.tm.opcode_modifier.commutative | |
3699 | && (i.tm.opcode_modifier.sse2avx || optimize > 1) | |
3700 | && i.rex == REX_B | |
3701 | && i.vex.register_specifier | |
3702 | && !(i.vex.register_specifier->reg_flags & RegRex)) | |
3703 | { | |
3704 | unsigned int xchg = i.operands - i.reg_operands; | |
3705 | union i386_op temp_op; | |
3706 | i386_operand_type temp_type; | |
3707 | ||
441f6aca | 3708 | gas_assert (i.tm.opcode_modifier.opcodespace == SPACE_0F); |
79dec6b7 JB |
3709 | gas_assert (!i.tm.opcode_modifier.sae); |
3710 | gas_assert (operand_type_equal (&i.types[i.operands - 2], | |
3711 | &i.types[i.operands - 3])); | |
3712 | gas_assert (i.rm.mode == 3); | |
3713 | ||
3714 | temp_type = i.types[xchg]; | |
3715 | i.types[xchg] = i.types[xchg + 1]; | |
3716 | i.types[xchg + 1] = temp_type; | |
3717 | temp_op = i.op[xchg]; | |
3718 | i.op[xchg] = i.op[xchg + 1]; | |
3719 | i.op[xchg + 1] = temp_op; | |
3720 | ||
3721 | i.rex = 0; | |
3722 | xchg = i.rm.regmem | 8; | |
3723 | i.rm.regmem = ~register_specifier & 0xf; | |
3724 | gas_assert (!(i.rm.regmem & 8)); | |
3725 | i.vex.register_specifier += xchg - i.rm.regmem; | |
3726 | register_specifier = ~xchg & 0xf; | |
3727 | } | |
3728 | ||
539f890d L |
3729 | if (i.tm.opcode_modifier.vex == VEXScalar) |
3730 | vector_length = avxscalar; | |
10c17abd JB |
3731 | else if (i.tm.opcode_modifier.vex == VEX256) |
3732 | vector_length = 1; | |
539f890d | 3733 | else |
10c17abd | 3734 | { |
56522fc5 | 3735 | unsigned int op; |
10c17abd | 3736 | |
c7213af9 L |
3737 | /* Determine vector length from the last multi-length vector |
3738 | operand. */ | |
10c17abd | 3739 | vector_length = 0; |
56522fc5 | 3740 | for (op = t->operands; op--;) |
10c17abd JB |
3741 | if (t->operand_types[op].bitfield.xmmword |
3742 | && t->operand_types[op].bitfield.ymmword | |
3743 | && i.types[op].bitfield.ymmword) | |
3744 | { | |
3745 | vector_length = 1; | |
3746 | break; | |
3747 | } | |
3748 | } | |
c0f3af97 | 3749 | |
03751133 L |
3750 | /* Check the REX.W bit and VEXW. */ |
3751 | if (i.tm.opcode_modifier.vexw == VEXWIG) | |
3752 | w = (vexwig == vexw1 || (i.rex & REX_W)) ? 1 : 0; | |
3753 | else if (i.tm.opcode_modifier.vexw) | |
3754 | w = i.tm.opcode_modifier.vexw == VEXW1 ? 1 : 0; | |
3755 | else | |
931d03b7 | 3756 | w = (flag_code == CODE_64BIT ? i.rex & REX_W : vexwig == vexw1) ? 1 : 0; |
03751133 | 3757 | |
c0f3af97 | 3758 | /* Use 2-byte VEX prefix if possible. */ |
03751133 L |
3759 | if (w == 0 |
3760 | && i.vec_encoding != vex_encoding_vex3 | |
441f6aca | 3761 | && i.tm.opcode_modifier.opcodespace == SPACE_0F |
c0f3af97 L |
3762 | && (i.rex & (REX_W | REX_X | REX_B)) == 0) |
3763 | { | |
3764 | /* 2-byte VEX prefix. */ | |
3765 | unsigned int r; | |
3766 | ||
3767 | i.vex.length = 2; | |
3768 | i.vex.bytes[0] = 0xc5; | |
3769 | ||
3770 | /* Check the REX.R bit. */ | |
3771 | r = (i.rex & REX_R) ? 0 : 1; | |
3772 | i.vex.bytes[1] = (r << 7 | |
3773 | | register_specifier << 3 | |
3774 | | vector_length << 2 | |
35648716 | 3775 | | i.tm.opcode_modifier.opcodeprefix); |
c0f3af97 L |
3776 | } |
3777 | else | |
3778 | { | |
3779 | /* 3-byte VEX prefix. */ | |
f88c9eb0 | 3780 | i.vex.length = 3; |
f88c9eb0 | 3781 | |
441f6aca | 3782 | switch (i.tm.opcode_modifier.opcodespace) |
5dd85c99 | 3783 | { |
441f6aca JB |
3784 | case SPACE_0F: |
3785 | case SPACE_0F38: | |
3786 | case SPACE_0F3A: | |
80de6e00 | 3787 | i.vex.bytes[0] = 0xc4; |
7f399153 | 3788 | break; |
441f6aca JB |
3789 | case SPACE_XOP08: |
3790 | case SPACE_XOP09: | |
3791 | case SPACE_XOP0A: | |
f88c9eb0 | 3792 | i.vex.bytes[0] = 0x8f; |
7f399153 L |
3793 | break; |
3794 | default: | |
3795 | abort (); | |
f88c9eb0 | 3796 | } |
c0f3af97 | 3797 | |
c0f3af97 L |
3798 | /* The high 3 bits of the second VEX byte are 1's compliment |
3799 | of RXB bits from REX. */ | |
441f6aca | 3800 | i.vex.bytes[1] = (~i.rex & 0x7) << 5 | i.tm.opcode_modifier.opcodespace; |
c0f3af97 | 3801 | |
c0f3af97 L |
3802 | i.vex.bytes[2] = (w << 7 |
3803 | | register_specifier << 3 | |
3804 | | vector_length << 2 | |
35648716 | 3805 | | i.tm.opcode_modifier.opcodeprefix); |
c0f3af97 L |
3806 | } |
3807 | } | |
3808 | ||
5b7c81bd | 3809 | static INLINE bool |
e771e7c9 JB |
3810 | is_evex_encoding (const insn_template *t) |
3811 | { | |
7091c612 | 3812 | return t->opcode_modifier.evex || t->opcode_modifier.disp8memshift |
e771e7c9 | 3813 | || t->opcode_modifier.broadcast || t->opcode_modifier.masking |
a80195f1 | 3814 | || t->opcode_modifier.sae; |
e771e7c9 JB |
3815 | } |
3816 | ||
5b7c81bd | 3817 | static INLINE bool |
7a8655d2 JB |
3818 | is_any_vex_encoding (const insn_template *t) |
3819 | { | |
7b47a312 | 3820 | return t->opcode_modifier.vex || is_evex_encoding (t); |
7a8655d2 JB |
3821 | } |
3822 | ||
43234a1e L |
3823 | /* Build the EVEX prefix. */ |
3824 | ||
3825 | static void | |
3826 | build_evex_prefix (void) | |
3827 | { | |
35648716 | 3828 | unsigned int register_specifier, w; |
43234a1e L |
3829 | rex_byte vrex_used = 0; |
3830 | ||
3831 | /* Check register specifier. */ | |
3832 | if (i.vex.register_specifier) | |
3833 | { | |
3834 | gas_assert ((i.vrex & REX_X) == 0); | |
3835 | ||
3836 | register_specifier = i.vex.register_specifier->reg_num; | |
3837 | if ((i.vex.register_specifier->reg_flags & RegRex)) | |
3838 | register_specifier += 8; | |
3839 | /* The upper 16 registers are encoded in the fourth byte of the | |
3840 | EVEX prefix. */ | |
3841 | if (!(i.vex.register_specifier->reg_flags & RegVRex)) | |
3842 | i.vex.bytes[3] = 0x8; | |
3843 | register_specifier = ~register_specifier & 0xf; | |
3844 | } | |
3845 | else | |
3846 | { | |
3847 | register_specifier = 0xf; | |
3848 | ||
3849 | /* Encode upper 16 vector index register in the fourth byte of | |
3850 | the EVEX prefix. */ | |
3851 | if (!(i.vrex & REX_X)) | |
3852 | i.vex.bytes[3] = 0x8; | |
3853 | else | |
3854 | vrex_used |= REX_X; | |
3855 | } | |
3856 | ||
43234a1e L |
3857 | /* 4 byte EVEX prefix. */ |
3858 | i.vex.length = 4; | |
3859 | i.vex.bytes[0] = 0x62; | |
3860 | ||
43234a1e L |
3861 | /* The high 3 bits of the second EVEX byte are 1's compliment of RXB |
3862 | bits from REX. */ | |
441f6aca JB |
3863 | gas_assert (i.tm.opcode_modifier.opcodespace >= SPACE_0F); |
3864 | gas_assert (i.tm.opcode_modifier.opcodespace <= SPACE_0F3A); | |
3865 | i.vex.bytes[1] = (~i.rex & 0x7) << 5 | i.tm.opcode_modifier.opcodespace; | |
43234a1e L |
3866 | |
3867 | /* The fifth bit of the second EVEX byte is 1's compliment of the | |
3868 | REX_R bit in VREX. */ | |
3869 | if (!(i.vrex & REX_R)) | |
3870 | i.vex.bytes[1] |= 0x10; | |
3871 | else | |
3872 | vrex_used |= REX_R; | |
3873 | ||
3874 | if ((i.reg_operands + i.imm_operands) == i.operands) | |
3875 | { | |
3876 | /* When all operands are registers, the REX_X bit in REX is not | |
3877 | used. We reuse it to encode the upper 16 registers, which is | |
3878 | indicated by the REX_B bit in VREX. The REX_X bit is encoded | |
3879 | as 1's compliment. */ | |
3880 | if ((i.vrex & REX_B)) | |
3881 | { | |
3882 | vrex_used |= REX_B; | |
3883 | i.vex.bytes[1] &= ~0x40; | |
3884 | } | |
3885 | } | |
3886 | ||
3887 | /* EVEX instructions shouldn't need the REX prefix. */ | |
3888 | i.vrex &= ~vrex_used; | |
3889 | gas_assert (i.vrex == 0); | |
3890 | ||
6865c043 L |
3891 | /* Check the REX.W bit and VEXW. */ |
3892 | if (i.tm.opcode_modifier.vexw == VEXWIG) | |
3893 | w = (evexwig == evexw1 || (i.rex & REX_W)) ? 1 : 0; | |
3894 | else if (i.tm.opcode_modifier.vexw) | |
3895 | w = i.tm.opcode_modifier.vexw == VEXW1 ? 1 : 0; | |
3896 | else | |
931d03b7 | 3897 | w = (flag_code == CODE_64BIT ? i.rex & REX_W : evexwig == evexw1) ? 1 : 0; |
43234a1e | 3898 | |
43234a1e | 3899 | /* The third byte of the EVEX prefix. */ |
35648716 JB |
3900 | i.vex.bytes[2] = ((w << 7) |
3901 | | (register_specifier << 3) | |
3902 | | 4 /* Encode the U bit. */ | |
3903 | | i.tm.opcode_modifier.opcodeprefix); | |
43234a1e L |
3904 | |
3905 | /* The fourth byte of the EVEX prefix. */ | |
3906 | /* The zeroing-masking bit. */ | |
6225c532 | 3907 | if (i.mask.reg && i.mask.zeroing) |
43234a1e L |
3908 | i.vex.bytes[3] |= 0x80; |
3909 | ||
3910 | /* Don't always set the broadcast bit if there is no RC. */ | |
ca5312a2 | 3911 | if (i.rounding.type == rc_none) |
43234a1e L |
3912 | { |
3913 | /* Encode the vector length. */ | |
3914 | unsigned int vec_length; | |
3915 | ||
e771e7c9 JB |
3916 | if (!i.tm.opcode_modifier.evex |
3917 | || i.tm.opcode_modifier.evex == EVEXDYN) | |
3918 | { | |
56522fc5 | 3919 | unsigned int op; |
e771e7c9 | 3920 | |
c7213af9 L |
3921 | /* Determine vector length from the last multi-length vector |
3922 | operand. */ | |
56522fc5 | 3923 | for (op = i.operands; op--;) |
e771e7c9 JB |
3924 | if (i.tm.operand_types[op].bitfield.xmmword |
3925 | + i.tm.operand_types[op].bitfield.ymmword | |
3926 | + i.tm.operand_types[op].bitfield.zmmword > 1) | |
3927 | { | |
3928 | if (i.types[op].bitfield.zmmword) | |
c7213af9 L |
3929 | { |
3930 | i.tm.opcode_modifier.evex = EVEX512; | |
3931 | break; | |
3932 | } | |
e771e7c9 | 3933 | else if (i.types[op].bitfield.ymmword) |
c7213af9 L |
3934 | { |
3935 | i.tm.opcode_modifier.evex = EVEX256; | |
3936 | break; | |
3937 | } | |
e771e7c9 | 3938 | else if (i.types[op].bitfield.xmmword) |
c7213af9 L |
3939 | { |
3940 | i.tm.opcode_modifier.evex = EVEX128; | |
3941 | break; | |
3942 | } | |
5273a3cd | 3943 | else if (i.broadcast.type && op == i.broadcast.operand) |
625cbd7a | 3944 | { |
5273a3cd | 3945 | switch (i.broadcast.bytes) |
625cbd7a JB |
3946 | { |
3947 | case 64: | |
3948 | i.tm.opcode_modifier.evex = EVEX512; | |
3949 | break; | |
3950 | case 32: | |
3951 | i.tm.opcode_modifier.evex = EVEX256; | |
3952 | break; | |
3953 | case 16: | |
3954 | i.tm.opcode_modifier.evex = EVEX128; | |
3955 | break; | |
3956 | default: | |
c7213af9 | 3957 | abort (); |
625cbd7a | 3958 | } |
c7213af9 | 3959 | break; |
625cbd7a | 3960 | } |
e771e7c9 | 3961 | } |
c7213af9 | 3962 | |
56522fc5 | 3963 | if (op >= MAX_OPERANDS) |
c7213af9 | 3964 | abort (); |
e771e7c9 JB |
3965 | } |
3966 | ||
43234a1e L |
3967 | switch (i.tm.opcode_modifier.evex) |
3968 | { | |
3969 | case EVEXLIG: /* LL' is ignored */ | |
3970 | vec_length = evexlig << 5; | |
3971 | break; | |
3972 | case EVEX128: | |
3973 | vec_length = 0 << 5; | |
3974 | break; | |
3975 | case EVEX256: | |
3976 | vec_length = 1 << 5; | |
3977 | break; | |
3978 | case EVEX512: | |
3979 | vec_length = 2 << 5; | |
3980 | break; | |
3981 | default: | |
3982 | abort (); | |
3983 | break; | |
3984 | } | |
3985 | i.vex.bytes[3] |= vec_length; | |
3986 | /* Encode the broadcast bit. */ | |
5273a3cd | 3987 | if (i.broadcast.type) |
43234a1e L |
3988 | i.vex.bytes[3] |= 0x10; |
3989 | } | |
ca5312a2 JB |
3990 | else if (i.rounding.type != saeonly) |
3991 | i.vex.bytes[3] |= 0x10 | (i.rounding.type << 5); | |
43234a1e | 3992 | else |
ca5312a2 | 3993 | i.vex.bytes[3] |= 0x10 | (evexrcig << 5); |
43234a1e | 3994 | |
6225c532 JB |
3995 | if (i.mask.reg) |
3996 | i.vex.bytes[3] |= i.mask.reg->reg_num; | |
43234a1e L |
3997 | } |
3998 | ||
65da13b5 L |
3999 | static void |
4000 | process_immext (void) | |
4001 | { | |
4002 | expressionS *exp; | |
4003 | ||
c0f3af97 | 4004 | /* These AMD 3DNow! and SSE2 instructions have an opcode suffix |
65da13b5 L |
4005 | which is coded in the same place as an 8-bit immediate field |
4006 | would be. Here we fake an 8-bit immediate operand from the | |
4007 | opcode suffix stored in tm.extension_opcode. | |
4008 | ||
c1e679ec | 4009 | AVX instructions also use this encoding, for some of |
c0f3af97 | 4010 | 3 argument instructions. */ |
65da13b5 | 4011 | |
43234a1e | 4012 | gas_assert (i.imm_operands <= 1 |
7ab9ffdd | 4013 | && (i.operands <= 2 |
7a8655d2 | 4014 | || (is_any_vex_encoding (&i.tm) |
7ab9ffdd | 4015 | && i.operands <= 4))); |
65da13b5 L |
4016 | |
4017 | exp = &im_expressions[i.imm_operands++]; | |
4018 | i.op[i.operands].imms = exp; | |
4019 | i.types[i.operands] = imm8; | |
4020 | i.operands++; | |
4021 | exp->X_op = O_constant; | |
4022 | exp->X_add_number = i.tm.extension_opcode; | |
4023 | i.tm.extension_opcode = None; | |
4024 | } | |
4025 | ||
42164a71 L |
4026 | |
4027 | static int | |
4028 | check_hle (void) | |
4029 | { | |
742732c7 | 4030 | switch (i.tm.opcode_modifier.prefixok) |
42164a71 L |
4031 | { |
4032 | default: | |
4033 | abort (); | |
742732c7 JB |
4034 | case PrefixLock: |
4035 | case PrefixNone: | |
4036 | case PrefixNoTrack: | |
4037 | case PrefixRep: | |
165de32a L |
4038 | as_bad (_("invalid instruction `%s' after `%s'"), |
4039 | i.tm.name, i.hle_prefix); | |
42164a71 | 4040 | return 0; |
742732c7 | 4041 | case PrefixHLELock: |
42164a71 L |
4042 | if (i.prefix[LOCK_PREFIX]) |
4043 | return 1; | |
165de32a | 4044 | as_bad (_("missing `lock' with `%s'"), i.hle_prefix); |
42164a71 | 4045 | return 0; |
742732c7 | 4046 | case PrefixHLEAny: |
42164a71 | 4047 | return 1; |
742732c7 | 4048 | case PrefixHLERelease: |
42164a71 L |
4049 | if (i.prefix[HLE_PREFIX] != XRELEASE_PREFIX_OPCODE) |
4050 | { | |
4051 | as_bad (_("instruction `%s' after `xacquire' not allowed"), | |
4052 | i.tm.name); | |
4053 | return 0; | |
4054 | } | |
8dc0818e | 4055 | if (i.mem_operands == 0 || !(i.flags[i.operands - 1] & Operand_Mem)) |
42164a71 L |
4056 | { |
4057 | as_bad (_("memory destination needed for instruction `%s'" | |
4058 | " after `xrelease'"), i.tm.name); | |
4059 | return 0; | |
4060 | } | |
4061 | return 1; | |
4062 | } | |
4063 | } | |
4064 | ||
b6f8c7c4 L |
4065 | /* Try the shortest encoding by shortening operand size. */ |
4066 | ||
4067 | static void | |
4068 | optimize_encoding (void) | |
4069 | { | |
a0a1771e | 4070 | unsigned int j; |
b6f8c7c4 L |
4071 | |
4072 | if (optimize_for_space | |
389d00a5 | 4073 | && i.tm.opcode_modifier.opcodespace == SPACE_BASE |
b6f8c7c4 L |
4074 | && i.reg_operands == 1 |
4075 | && i.imm_operands == 1 | |
4076 | && !i.types[1].bitfield.byte | |
4077 | && i.op[0].imms->X_op == O_constant | |
4078 | && fits_in_imm7 (i.op[0].imms->X_add_number) | |
72aea328 | 4079 | && (i.tm.base_opcode == 0xa8 |
b6f8c7c4 L |
4080 | || (i.tm.base_opcode == 0xf6 |
4081 | && i.tm.extension_opcode == 0x0))) | |
4082 | { | |
4083 | /* Optimize: -Os: | |
4084 | test $imm7, %r64/%r32/%r16 -> test $imm7, %r8 | |
4085 | */ | |
4086 | unsigned int base_regnum = i.op[1].regs->reg_num; | |
4087 | if (flag_code == CODE_64BIT || base_regnum < 4) | |
4088 | { | |
4089 | i.types[1].bitfield.byte = 1; | |
4090 | /* Ignore the suffix. */ | |
4091 | i.suffix = 0; | |
7697afb6 JB |
4092 | /* Convert to byte registers. */ |
4093 | if (i.types[1].bitfield.word) | |
4094 | j = 16; | |
4095 | else if (i.types[1].bitfield.dword) | |
4096 | j = 32; | |
4097 | else | |
4098 | j = 48; | |
4099 | if (!(i.op[1].regs->reg_flags & RegRex) && base_regnum < 4) | |
4100 | j += 8; | |
4101 | i.op[1].regs -= j; | |
b6f8c7c4 L |
4102 | } |
4103 | } | |
4104 | else if (flag_code == CODE_64BIT | |
389d00a5 | 4105 | && i.tm.opcode_modifier.opcodespace == SPACE_BASE |
d3d50934 L |
4106 | && ((i.types[1].bitfield.qword |
4107 | && i.reg_operands == 1 | |
b6f8c7c4 L |
4108 | && i.imm_operands == 1 |
4109 | && i.op[0].imms->X_op == O_constant | |
507916b8 | 4110 | && ((i.tm.base_opcode == 0xb8 |
b6f8c7c4 L |
4111 | && i.tm.extension_opcode == None |
4112 | && fits_in_unsigned_long (i.op[0].imms->X_add_number)) | |
4113 | || (fits_in_imm31 (i.op[0].imms->X_add_number) | |
72aea328 JB |
4114 | && ((i.tm.base_opcode == 0x24 |
4115 | || i.tm.base_opcode == 0xa8) | |
b6f8c7c4 L |
4116 | || (i.tm.base_opcode == 0x80 |
4117 | && i.tm.extension_opcode == 0x4) | |
4118 | || ((i.tm.base_opcode == 0xf6 | |
507916b8 | 4119 | || (i.tm.base_opcode | 1) == 0xc7) |
b8364fa7 JB |
4120 | && i.tm.extension_opcode == 0x0))) |
4121 | || (fits_in_imm7 (i.op[0].imms->X_add_number) | |
4122 | && i.tm.base_opcode == 0x83 | |
4123 | && i.tm.extension_opcode == 0x4))) | |
d3d50934 L |
4124 | || (i.types[0].bitfield.qword |
4125 | && ((i.reg_operands == 2 | |
4126 | && i.op[0].regs == i.op[1].regs | |
72aea328 JB |
4127 | && (i.tm.base_opcode == 0x30 |
4128 | || i.tm.base_opcode == 0x28)) | |
d3d50934 L |
4129 | || (i.reg_operands == 1 |
4130 | && i.operands == 1 | |
72aea328 | 4131 | && i.tm.base_opcode == 0x30))))) |
b6f8c7c4 L |
4132 | { |
4133 | /* Optimize: -O: | |
4134 | andq $imm31, %r64 -> andl $imm31, %r32 | |
b8364fa7 | 4135 | andq $imm7, %r64 -> andl $imm7, %r32 |
b6f8c7c4 L |
4136 | testq $imm31, %r64 -> testl $imm31, %r32 |
4137 | xorq %r64, %r64 -> xorl %r32, %r32 | |
4138 | subq %r64, %r64 -> subl %r32, %r32 | |
4139 | movq $imm31, %r64 -> movl $imm31, %r32 | |
4140 | movq $imm32, %r64 -> movl $imm32, %r32 | |
4141 | */ | |
4142 | i.tm.opcode_modifier.norex64 = 1; | |
507916b8 | 4143 | if (i.tm.base_opcode == 0xb8 || (i.tm.base_opcode | 1) == 0xc7) |
b6f8c7c4 L |
4144 | { |
4145 | /* Handle | |
4146 | movq $imm31, %r64 -> movl $imm31, %r32 | |
4147 | movq $imm32, %r64 -> movl $imm32, %r32 | |
4148 | */ | |
4149 | i.tm.operand_types[0].bitfield.imm32 = 1; | |
4150 | i.tm.operand_types[0].bitfield.imm32s = 0; | |
4151 | i.tm.operand_types[0].bitfield.imm64 = 0; | |
4152 | i.types[0].bitfield.imm32 = 1; | |
4153 | i.types[0].bitfield.imm32s = 0; | |
4154 | i.types[0].bitfield.imm64 = 0; | |
4155 | i.types[1].bitfield.dword = 1; | |
4156 | i.types[1].bitfield.qword = 0; | |
507916b8 | 4157 | if ((i.tm.base_opcode | 1) == 0xc7) |
b6f8c7c4 L |
4158 | { |
4159 | /* Handle | |
4160 | movq $imm31, %r64 -> movl $imm31, %r32 | |
4161 | */ | |
507916b8 | 4162 | i.tm.base_opcode = 0xb8; |
b6f8c7c4 | 4163 | i.tm.extension_opcode = None; |
507916b8 | 4164 | i.tm.opcode_modifier.w = 0; |
b6f8c7c4 L |
4165 | i.tm.opcode_modifier.modrm = 0; |
4166 | } | |
4167 | } | |
4168 | } | |
5641ec01 JB |
4169 | else if (optimize > 1 |
4170 | && !optimize_for_space | |
389d00a5 | 4171 | && i.tm.opcode_modifier.opcodespace == SPACE_BASE |
5641ec01 JB |
4172 | && i.reg_operands == 2 |
4173 | && i.op[0].regs == i.op[1].regs | |
4174 | && ((i.tm.base_opcode & ~(Opcode_D | 1)) == 0x8 | |
4175 | || (i.tm.base_opcode & ~(Opcode_D | 1)) == 0x20) | |
4176 | && (flag_code != CODE_64BIT || !i.types[0].bitfield.dword)) | |
4177 | { | |
4178 | /* Optimize: -O2: | |
4179 | andb %rN, %rN -> testb %rN, %rN | |
4180 | andw %rN, %rN -> testw %rN, %rN | |
4181 | andq %rN, %rN -> testq %rN, %rN | |
4182 | orb %rN, %rN -> testb %rN, %rN | |
4183 | orw %rN, %rN -> testw %rN, %rN | |
4184 | orq %rN, %rN -> testq %rN, %rN | |
4185 | ||
4186 | and outside of 64-bit mode | |
4187 | ||
4188 | andl %rN, %rN -> testl %rN, %rN | |
4189 | orl %rN, %rN -> testl %rN, %rN | |
4190 | */ | |
4191 | i.tm.base_opcode = 0x84 | (i.tm.base_opcode & 1); | |
4192 | } | |
99112332 | 4193 | else if (i.reg_operands == 3 |
b6f8c7c4 L |
4194 | && i.op[0].regs == i.op[1].regs |
4195 | && !i.types[2].bitfield.xmmword | |
4196 | && (i.tm.opcode_modifier.vex | |
6225c532 | 4197 | || ((!i.mask.reg || i.mask.zeroing) |
ca5312a2 | 4198 | && i.rounding.type == rc_none |
e771e7c9 | 4199 | && is_evex_encoding (&i.tm) |
80c34c38 | 4200 | && (i.vec_encoding != vex_encoding_evex |
dd22218c | 4201 | || cpu_arch_isa_flags.bitfield.cpuavx512vl |
80c34c38 | 4202 | || i.tm.cpu_flags.bitfield.cpuavx512vl |
7091c612 | 4203 | || (i.tm.operand_types[2].bitfield.zmmword |
dd22218c | 4204 | && i.types[2].bitfield.ymmword)))) |
b6f8c7c4 | 4205 | && ((i.tm.base_opcode == 0x55 |
b6f8c7c4 | 4206 | || i.tm.base_opcode == 0x57 |
35648716 JB |
4207 | || i.tm.base_opcode == 0xdf |
4208 | || i.tm.base_opcode == 0xef | |
4209 | || i.tm.base_opcode == 0xf8 | |
4210 | || i.tm.base_opcode == 0xf9 | |
4211 | || i.tm.base_opcode == 0xfa | |
4212 | || i.tm.base_opcode == 0xfb | |
1424ad86 | 4213 | || i.tm.base_opcode == 0x42 |
35648716 | 4214 | || i.tm.base_opcode == 0x47) |
b6f8c7c4 L |
4215 | && i.tm.extension_opcode == None)) |
4216 | { | |
99112332 | 4217 | /* Optimize: -O1: |
8305403a L |
4218 | VOP, one of vandnps, vandnpd, vxorps, vxorpd, vpsubb, vpsubd, |
4219 | vpsubq and vpsubw: | |
b6f8c7c4 L |
4220 | EVEX VOP %zmmM, %zmmM, %zmmN |
4221 | -> VEX VOP %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4222 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4223 | EVEX VOP %ymmM, %ymmM, %ymmN |
4224 | -> VEX VOP %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4225 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4226 | VEX VOP %ymmM, %ymmM, %ymmN |
4227 | -> VEX VOP %xmmM, %xmmM, %xmmN | |
4228 | VOP, one of vpandn and vpxor: | |
4229 | VEX VOP %ymmM, %ymmM, %ymmN | |
4230 | -> VEX VOP %xmmM, %xmmM, %xmmN | |
4231 | VOP, one of vpandnd and vpandnq: | |
4232 | EVEX VOP %zmmM, %zmmM, %zmmN | |
4233 | -> VEX vpandn %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4234 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4235 | EVEX VOP %ymmM, %ymmM, %ymmN |
4236 | -> VEX vpandn %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4237 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4238 | VOP, one of vpxord and vpxorq: |
4239 | EVEX VOP %zmmM, %zmmM, %zmmN | |
4240 | -> VEX vpxor %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4241 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4242 | EVEX VOP %ymmM, %ymmM, %ymmN |
4243 | -> VEX vpxor %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4244 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
1424ad86 JB |
4245 | VOP, one of kxord and kxorq: |
4246 | VEX VOP %kM, %kM, %kN | |
4247 | -> VEX kxorw %kM, %kM, %kN | |
4248 | VOP, one of kandnd and kandnq: | |
4249 | VEX VOP %kM, %kM, %kN | |
4250 | -> VEX kandnw %kM, %kM, %kN | |
b6f8c7c4 | 4251 | */ |
e771e7c9 | 4252 | if (is_evex_encoding (&i.tm)) |
b6f8c7c4 | 4253 | { |
7b1d7ca1 | 4254 | if (i.vec_encoding != vex_encoding_evex) |
b6f8c7c4 L |
4255 | { |
4256 | i.tm.opcode_modifier.vex = VEX128; | |
4257 | i.tm.opcode_modifier.vexw = VEXW0; | |
4258 | i.tm.opcode_modifier.evex = 0; | |
4259 | } | |
7b1d7ca1 | 4260 | else if (optimize > 1) |
dd22218c L |
4261 | i.tm.opcode_modifier.evex = EVEX128; |
4262 | else | |
4263 | return; | |
b6f8c7c4 | 4264 | } |
f74a6307 | 4265 | else if (i.tm.operand_types[0].bitfield.class == RegMask) |
1424ad86 | 4266 | { |
35648716 | 4267 | i.tm.opcode_modifier.opcodeprefix = PREFIX_NONE; |
1424ad86 JB |
4268 | i.tm.opcode_modifier.vexw = VEXW0; |
4269 | } | |
b6f8c7c4 L |
4270 | else |
4271 | i.tm.opcode_modifier.vex = VEX128; | |
4272 | ||
4273 | if (i.tm.opcode_modifier.vex) | |
4274 | for (j = 0; j < 3; j++) | |
4275 | { | |
4276 | i.types[j].bitfield.xmmword = 1; | |
4277 | i.types[j].bitfield.ymmword = 0; | |
4278 | } | |
4279 | } | |
392a5972 | 4280 | else if (i.vec_encoding != vex_encoding_evex |
97ed31ae | 4281 | && !i.types[0].bitfield.zmmword |
392a5972 | 4282 | && !i.types[1].bitfield.zmmword |
6225c532 | 4283 | && !i.mask.reg |
5273a3cd | 4284 | && !i.broadcast.type |
97ed31ae | 4285 | && is_evex_encoding (&i.tm) |
35648716 JB |
4286 | && ((i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0x6f |
4287 | || (i.tm.base_opcode & ~4) == 0xdb | |
4288 | || (i.tm.base_opcode & ~4) == 0xeb) | |
97ed31ae L |
4289 | && i.tm.extension_opcode == None) |
4290 | { | |
4291 | /* Optimize: -O1: | |
4292 | VOP, one of vmovdqa32, vmovdqa64, vmovdqu8, vmovdqu16, | |
4293 | vmovdqu32 and vmovdqu64: | |
4294 | EVEX VOP %xmmM, %xmmN | |
4295 | -> VEX vmovdqa|vmovdqu %xmmM, %xmmN (M and N < 16) | |
4296 | EVEX VOP %ymmM, %ymmN | |
4297 | -> VEX vmovdqa|vmovdqu %ymmM, %ymmN (M and N < 16) | |
4298 | EVEX VOP %xmmM, mem | |
4299 | -> VEX vmovdqa|vmovdqu %xmmM, mem (M < 16) | |
4300 | EVEX VOP %ymmM, mem | |
4301 | -> VEX vmovdqa|vmovdqu %ymmM, mem (M < 16) | |
4302 | EVEX VOP mem, %xmmN | |
4303 | -> VEX mvmovdqa|vmovdquem, %xmmN (N < 16) | |
4304 | EVEX VOP mem, %ymmN | |
4305 | -> VEX vmovdqa|vmovdqu mem, %ymmN (N < 16) | |
a0a1771e JB |
4306 | VOP, one of vpand, vpandn, vpor, vpxor: |
4307 | EVEX VOP{d,q} %xmmL, %xmmM, %xmmN | |
4308 | -> VEX VOP %xmmL, %xmmM, %xmmN (L, M, and N < 16) | |
4309 | EVEX VOP{d,q} %ymmL, %ymmM, %ymmN | |
4310 | -> VEX VOP %ymmL, %ymmM, %ymmN (L, M, and N < 16) | |
4311 | EVEX VOP{d,q} mem, %xmmM, %xmmN | |
4312 | -> VEX VOP mem, %xmmM, %xmmN (M and N < 16) | |
4313 | EVEX VOP{d,q} mem, %ymmM, %ymmN | |
4314 | -> VEX VOP mem, %ymmM, %ymmN (M and N < 16) | |
97ed31ae | 4315 | */ |
a0a1771e | 4316 | for (j = 0; j < i.operands; j++) |
392a5972 L |
4317 | if (operand_type_check (i.types[j], disp) |
4318 | && i.op[j].disps->X_op == O_constant) | |
4319 | { | |
4320 | /* Since the VEX prefix has 2 or 3 bytes, the EVEX prefix | |
4321 | has 4 bytes, EVEX Disp8 has 1 byte and VEX Disp32 has 4 | |
4322 | bytes, we choose EVEX Disp8 over VEX Disp32. */ | |
4323 | int evex_disp8, vex_disp8; | |
4324 | unsigned int memshift = i.memshift; | |
4325 | offsetT n = i.op[j].disps->X_add_number; | |
4326 | ||
4327 | evex_disp8 = fits_in_disp8 (n); | |
4328 | i.memshift = 0; | |
4329 | vex_disp8 = fits_in_disp8 (n); | |
4330 | if (evex_disp8 != vex_disp8) | |
4331 | { | |
4332 | i.memshift = memshift; | |
4333 | return; | |
4334 | } | |
4335 | ||
4336 | i.types[j].bitfield.disp8 = vex_disp8; | |
4337 | break; | |
4338 | } | |
35648716 JB |
4339 | if ((i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0x6f |
4340 | && i.tm.opcode_modifier.opcodeprefix == PREFIX_0XF2) | |
4341 | i.tm.opcode_modifier.opcodeprefix = PREFIX_0XF3; | |
97ed31ae L |
4342 | i.tm.opcode_modifier.vex |
4343 | = i.types[0].bitfield.ymmword ? VEX256 : VEX128; | |
4344 | i.tm.opcode_modifier.vexw = VEXW0; | |
79dec6b7 | 4345 | /* VPAND, VPOR, and VPXOR are commutative. */ |
35648716 | 4346 | if (i.reg_operands == 3 && i.tm.base_opcode != 0xdf) |
79dec6b7 | 4347 | i.tm.opcode_modifier.commutative = 1; |
97ed31ae L |
4348 | i.tm.opcode_modifier.evex = 0; |
4349 | i.tm.opcode_modifier.masking = 0; | |
a0a1771e | 4350 | i.tm.opcode_modifier.broadcast = 0; |
97ed31ae L |
4351 | i.tm.opcode_modifier.disp8memshift = 0; |
4352 | i.memshift = 0; | |
a0a1771e JB |
4353 | if (j < i.operands) |
4354 | i.types[j].bitfield.disp8 | |
4355 | = fits_in_disp8 (i.op[j].disps->X_add_number); | |
97ed31ae | 4356 | } |
b6f8c7c4 L |
4357 | } |
4358 | ||
ae531041 L |
4359 | /* Return non-zero for load instruction. */ |
4360 | ||
4361 | static int | |
4362 | load_insn_p (void) | |
4363 | { | |
4364 | unsigned int dest; | |
4365 | int any_vex_p = is_any_vex_encoding (&i.tm); | |
4366 | unsigned int base_opcode = i.tm.base_opcode | 1; | |
4367 | ||
4368 | if (!any_vex_p) | |
4369 | { | |
a09f656b | 4370 | /* Anysize insns: lea, invlpg, clflush, prefetchnta, prefetcht0, |
4371 | prefetcht1, prefetcht2, prefetchtw, bndmk, bndcl, bndcu, bndcn, | |
4372 | bndstx, bndldx, prefetchwt1, clflushopt, clwb, cldemote. */ | |
4373 | if (i.tm.opcode_modifier.anysize) | |
ae531041 L |
4374 | return 0; |
4375 | ||
389d00a5 JB |
4376 | /* pop. */ |
4377 | if (strcmp (i.tm.name, "pop") == 0) | |
4378 | return 1; | |
4379 | } | |
4380 | ||
4381 | if (i.tm.opcode_modifier.opcodespace == SPACE_BASE) | |
4382 | { | |
4383 | /* popf, popa. */ | |
4384 | if (i.tm.base_opcode == 0x9d | |
a09f656b | 4385 | || i.tm.base_opcode == 0x61) |
ae531041 L |
4386 | return 1; |
4387 | ||
4388 | /* movs, cmps, lods, scas. */ | |
4389 | if ((i.tm.base_opcode | 0xb) == 0xaf) | |
4390 | return 1; | |
4391 | ||
a09f656b | 4392 | /* outs, xlatb. */ |
4393 | if (base_opcode == 0x6f | |
4394 | || i.tm.base_opcode == 0xd7) | |
ae531041 | 4395 | return 1; |
a09f656b | 4396 | /* NB: For AMD-specific insns with implicit memory operands, |
4397 | they're intentionally not covered. */ | |
ae531041 L |
4398 | } |
4399 | ||
4400 | /* No memory operand. */ | |
4401 | if (!i.mem_operands) | |
4402 | return 0; | |
4403 | ||
4404 | if (any_vex_p) | |
4405 | { | |
4406 | /* vldmxcsr. */ | |
4407 | if (i.tm.base_opcode == 0xae | |
4408 | && i.tm.opcode_modifier.vex | |
441f6aca | 4409 | && i.tm.opcode_modifier.opcodespace == SPACE_0F |
35648716 | 4410 | && i.tm.opcode_modifier.opcodeprefix == PREFIX_NONE |
ae531041 L |
4411 | && i.tm.extension_opcode == 2) |
4412 | return 1; | |
4413 | } | |
389d00a5 | 4414 | else if (i.tm.opcode_modifier.opcodespace == SPACE_BASE) |
ae531041 L |
4415 | { |
4416 | /* test, not, neg, mul, imul, div, idiv. */ | |
4417 | if ((i.tm.base_opcode == 0xf6 || i.tm.base_opcode == 0xf7) | |
4418 | && i.tm.extension_opcode != 1) | |
4419 | return 1; | |
4420 | ||
4421 | /* inc, dec. */ | |
4422 | if (base_opcode == 0xff && i.tm.extension_opcode <= 1) | |
4423 | return 1; | |
4424 | ||
4425 | /* add, or, adc, sbb, and, sub, xor, cmp. */ | |
4426 | if (i.tm.base_opcode >= 0x80 && i.tm.base_opcode <= 0x83) | |
4427 | return 1; | |
4428 | ||
ae531041 L |
4429 | /* rol, ror, rcl, rcr, shl/sal, shr, sar. */ |
4430 | if ((base_opcode == 0xc1 | |
4431 | || (i.tm.base_opcode >= 0xd0 && i.tm.base_opcode <= 0xd3)) | |
4432 | && i.tm.extension_opcode != 6) | |
4433 | return 1; | |
4434 | ||
ae531041 | 4435 | /* Check for x87 instructions. */ |
389d00a5 | 4436 | if (base_opcode >= 0xd8 && base_opcode <= 0xdf) |
ae531041 L |
4437 | { |
4438 | /* Skip fst, fstp, fstenv, fstcw. */ | |
4439 | if (i.tm.base_opcode == 0xd9 | |
4440 | && (i.tm.extension_opcode == 2 | |
4441 | || i.tm.extension_opcode == 3 | |
4442 | || i.tm.extension_opcode == 6 | |
4443 | || i.tm.extension_opcode == 7)) | |
4444 | return 0; | |
4445 | ||
4446 | /* Skip fisttp, fist, fistp, fstp. */ | |
4447 | if (i.tm.base_opcode == 0xdb | |
4448 | && (i.tm.extension_opcode == 1 | |
4449 | || i.tm.extension_opcode == 2 | |
4450 | || i.tm.extension_opcode == 3 | |
4451 | || i.tm.extension_opcode == 7)) | |
4452 | return 0; | |
4453 | ||
4454 | /* Skip fisttp, fst, fstp, fsave, fstsw. */ | |
4455 | if (i.tm.base_opcode == 0xdd | |
4456 | && (i.tm.extension_opcode == 1 | |
4457 | || i.tm.extension_opcode == 2 | |
4458 | || i.tm.extension_opcode == 3 | |
4459 | || i.tm.extension_opcode == 6 | |
4460 | || i.tm.extension_opcode == 7)) | |
4461 | return 0; | |
4462 | ||
4463 | /* Skip fisttp, fist, fistp, fbstp, fistp. */ | |
4464 | if (i.tm.base_opcode == 0xdf | |
4465 | && (i.tm.extension_opcode == 1 | |
4466 | || i.tm.extension_opcode == 2 | |
4467 | || i.tm.extension_opcode == 3 | |
4468 | || i.tm.extension_opcode == 6 | |
4469 | || i.tm.extension_opcode == 7)) | |
4470 | return 0; | |
4471 | ||
4472 | return 1; | |
4473 | } | |
4474 | } | |
389d00a5 JB |
4475 | else if (i.tm.opcode_modifier.opcodespace == SPACE_0F) |
4476 | { | |
4477 | /* bt, bts, btr, btc. */ | |
4478 | if (i.tm.base_opcode == 0xba | |
4479 | && (i.tm.extension_opcode >= 4 && i.tm.extension_opcode <= 7)) | |
4480 | return 1; | |
4481 | ||
4482 | /* cmpxchg8b, cmpxchg16b, xrstors, vmptrld. */ | |
4483 | if (i.tm.base_opcode == 0xc7 | |
4484 | && i.tm.opcode_modifier.opcodeprefix == PREFIX_NONE | |
4485 | && (i.tm.extension_opcode == 1 || i.tm.extension_opcode == 3 | |
4486 | || i.tm.extension_opcode == 6)) | |
4487 | return 1; | |
4488 | ||
4489 | /* fxrstor, ldmxcsr, xrstor. */ | |
4490 | if (i.tm.base_opcode == 0xae | |
4491 | && (i.tm.extension_opcode == 1 | |
4492 | || i.tm.extension_opcode == 2 | |
4493 | || i.tm.extension_opcode == 5)) | |
4494 | return 1; | |
4495 | ||
4496 | /* lgdt, lidt, lmsw. */ | |
4497 | if (i.tm.base_opcode == 0x01 | |
4498 | && (i.tm.extension_opcode == 2 | |
4499 | || i.tm.extension_opcode == 3 | |
4500 | || i.tm.extension_opcode == 6)) | |
4501 | return 1; | |
4502 | } | |
ae531041 L |
4503 | |
4504 | dest = i.operands - 1; | |
4505 | ||
4506 | /* Check fake imm8 operand and 3 source operands. */ | |
4507 | if ((i.tm.opcode_modifier.immext | |
4508 | || i.tm.opcode_modifier.vexsources == VEX3SOURCES) | |
4509 | && i.types[dest].bitfield.imm8) | |
4510 | dest--; | |
4511 | ||
389d00a5 JB |
4512 | /* add, or, adc, sbb, and, sub, xor, cmp, test, xchg. */ |
4513 | if (i.tm.opcode_modifier.opcodespace == SPACE_BASE | |
ae531041 L |
4514 | && (base_opcode == 0x1 |
4515 | || base_opcode == 0x9 | |
4516 | || base_opcode == 0x11 | |
4517 | || base_opcode == 0x19 | |
4518 | || base_opcode == 0x21 | |
4519 | || base_opcode == 0x29 | |
4520 | || base_opcode == 0x31 | |
4521 | || base_opcode == 0x39 | |
389d00a5 JB |
4522 | || (base_opcode | 2) == 0x87)) |
4523 | return 1; | |
4524 | ||
4525 | /* xadd. */ | |
4526 | if (i.tm.opcode_modifier.opcodespace == SPACE_0F | |
4527 | && base_opcode == 0xc1) | |
ae531041 L |
4528 | return 1; |
4529 | ||
4530 | /* Check for load instruction. */ | |
4531 | return (i.types[dest].bitfield.class != ClassNone | |
4532 | || i.types[dest].bitfield.instance == Accum); | |
4533 | } | |
4534 | ||
4535 | /* Output lfence, 0xfaee8, after instruction. */ | |
4536 | ||
4537 | static void | |
4538 | insert_lfence_after (void) | |
4539 | { | |
4540 | if (lfence_after_load && load_insn_p ()) | |
4541 | { | |
a09f656b | 4542 | /* There are also two REP string instructions that require |
4543 | special treatment. Specifically, the compare string (CMPS) | |
4544 | and scan string (SCAS) instructions set EFLAGS in a manner | |
4545 | that depends on the data being compared/scanned. When used | |
4546 | with a REP prefix, the number of iterations may therefore | |
4547 | vary depending on this data. If the data is a program secret | |
4548 | chosen by the adversary using an LVI method, | |
4549 | then this data-dependent behavior may leak some aspect | |
4550 | of the secret. */ | |
4551 | if (((i.tm.base_opcode | 0x1) == 0xa7 | |
4552 | || (i.tm.base_opcode | 0x1) == 0xaf) | |
4553 | && i.prefix[REP_PREFIX]) | |
4554 | { | |
4555 | as_warn (_("`%s` changes flags which would affect control flow behavior"), | |
4556 | i.tm.name); | |
4557 | } | |
ae531041 L |
4558 | char *p = frag_more (3); |
4559 | *p++ = 0xf; | |
4560 | *p++ = 0xae; | |
4561 | *p = 0xe8; | |
4562 | } | |
4563 | } | |
4564 | ||
4565 | /* Output lfence, 0xfaee8, before instruction. */ | |
4566 | ||
4567 | static void | |
4568 | insert_lfence_before (void) | |
4569 | { | |
4570 | char *p; | |
4571 | ||
389d00a5 | 4572 | if (i.tm.opcode_modifier.opcodespace != SPACE_BASE) |
ae531041 L |
4573 | return; |
4574 | ||
4575 | if (i.tm.base_opcode == 0xff | |
4576 | && (i.tm.extension_opcode == 2 || i.tm.extension_opcode == 4)) | |
4577 | { | |
4578 | /* Insert lfence before indirect branch if needed. */ | |
4579 | ||
4580 | if (lfence_before_indirect_branch == lfence_branch_none) | |
4581 | return; | |
4582 | ||
4583 | if (i.operands != 1) | |
4584 | abort (); | |
4585 | ||
4586 | if (i.reg_operands == 1) | |
4587 | { | |
4588 | /* Indirect branch via register. Don't insert lfence with | |
4589 | -mlfence-after-load=yes. */ | |
4590 | if (lfence_after_load | |
4591 | || lfence_before_indirect_branch == lfence_branch_memory) | |
4592 | return; | |
4593 | } | |
4594 | else if (i.mem_operands == 1 | |
4595 | && lfence_before_indirect_branch != lfence_branch_register) | |
4596 | { | |
4597 | as_warn (_("indirect `%s` with memory operand should be avoided"), | |
4598 | i.tm.name); | |
4599 | return; | |
4600 | } | |
4601 | else | |
4602 | return; | |
4603 | ||
4604 | if (last_insn.kind != last_insn_other | |
4605 | && last_insn.seg == now_seg) | |
4606 | { | |
4607 | as_warn_where (last_insn.file, last_insn.line, | |
4608 | _("`%s` skips -mlfence-before-indirect-branch on `%s`"), | |
4609 | last_insn.name, i.tm.name); | |
4610 | return; | |
4611 | } | |
4612 | ||
4613 | p = frag_more (3); | |
4614 | *p++ = 0xf; | |
4615 | *p++ = 0xae; | |
4616 | *p = 0xe8; | |
4617 | return; | |
4618 | } | |
4619 | ||
503648e4 | 4620 | /* Output or/not/shl and lfence before near ret. */ |
ae531041 L |
4621 | if (lfence_before_ret != lfence_before_ret_none |
4622 | && (i.tm.base_opcode == 0xc2 | |
503648e4 | 4623 | || i.tm.base_opcode == 0xc3)) |
ae531041 L |
4624 | { |
4625 | if (last_insn.kind != last_insn_other | |
4626 | && last_insn.seg == now_seg) | |
4627 | { | |
4628 | as_warn_where (last_insn.file, last_insn.line, | |
4629 | _("`%s` skips -mlfence-before-ret on `%s`"), | |
4630 | last_insn.name, i.tm.name); | |
4631 | return; | |
4632 | } | |
a09f656b | 4633 | |
a09f656b | 4634 | /* Near ret ingore operand size override under CPU64. */ |
503648e4 | 4635 | char prefix = flag_code == CODE_64BIT |
4636 | ? 0x48 | |
4637 | : i.prefix[DATA_PREFIX] ? 0x66 : 0x0; | |
a09f656b | 4638 | |
4639 | if (lfence_before_ret == lfence_before_ret_not) | |
4640 | { | |
4641 | /* not: 0xf71424, may add prefix | |
4642 | for operand size override or 64-bit code. */ | |
4643 | p = frag_more ((prefix ? 2 : 0) + 6 + 3); | |
4644 | if (prefix) | |
4645 | *p++ = prefix; | |
ae531041 L |
4646 | *p++ = 0xf7; |
4647 | *p++ = 0x14; | |
4648 | *p++ = 0x24; | |
a09f656b | 4649 | if (prefix) |
4650 | *p++ = prefix; | |
ae531041 L |
4651 | *p++ = 0xf7; |
4652 | *p++ = 0x14; | |
4653 | *p++ = 0x24; | |
4654 | } | |
a09f656b | 4655 | else |
4656 | { | |
4657 | p = frag_more ((prefix ? 1 : 0) + 4 + 3); | |
4658 | if (prefix) | |
4659 | *p++ = prefix; | |
4660 | if (lfence_before_ret == lfence_before_ret_or) | |
4661 | { | |
4662 | /* or: 0x830c2400, may add prefix | |
4663 | for operand size override or 64-bit code. */ | |
4664 | *p++ = 0x83; | |
4665 | *p++ = 0x0c; | |
4666 | } | |
4667 | else | |
4668 | { | |
4669 | /* shl: 0xc1242400, may add prefix | |
4670 | for operand size override or 64-bit code. */ | |
4671 | *p++ = 0xc1; | |
4672 | *p++ = 0x24; | |
4673 | } | |
4674 | ||
4675 | *p++ = 0x24; | |
4676 | *p++ = 0x0; | |
4677 | } | |
4678 | ||
ae531041 L |
4679 | *p++ = 0xf; |
4680 | *p++ = 0xae; | |
4681 | *p = 0xe8; | |
4682 | } | |
4683 | } | |
4684 | ||
252b5132 RH |
4685 | /* This is the guts of the machine-dependent assembler. LINE points to a |
4686 | machine dependent instruction. This function is supposed to emit | |
4687 | the frags/bytes it assembles to. */ | |
4688 | ||
4689 | void | |
65da13b5 | 4690 | md_assemble (char *line) |
252b5132 | 4691 | { |
40fb9820 | 4692 | unsigned int j; |
83b16ac6 | 4693 | char mnemonic[MAX_MNEM_SIZE], mnem_suffix; |
d3ce72d0 | 4694 | const insn_template *t; |
252b5132 | 4695 | |
47926f60 | 4696 | /* Initialize globals. */ |
252b5132 | 4697 | memset (&i, '\0', sizeof (i)); |
ca5312a2 | 4698 | i.rounding.type = rc_none; |
252b5132 | 4699 | for (j = 0; j < MAX_OPERANDS; j++) |
1ae12ab7 | 4700 | i.reloc[j] = NO_RELOC; |
252b5132 RH |
4701 | memset (disp_expressions, '\0', sizeof (disp_expressions)); |
4702 | memset (im_expressions, '\0', sizeof (im_expressions)); | |
ce8a8b2f | 4703 | save_stack_p = save_stack; |
252b5132 RH |
4704 | |
4705 | /* First parse an instruction mnemonic & call i386_operand for the operands. | |
4706 | We assume that the scrubber has arranged it so that line[0] is the valid | |
47926f60 | 4707 | start of a (possibly prefixed) mnemonic. */ |
252b5132 | 4708 | |
29b0f896 AM |
4709 | line = parse_insn (line, mnemonic); |
4710 | if (line == NULL) | |
4711 | return; | |
83b16ac6 | 4712 | mnem_suffix = i.suffix; |
252b5132 | 4713 | |
29b0f896 | 4714 | line = parse_operands (line, mnemonic); |
ee86248c | 4715 | this_operand = -1; |
8325cc63 JB |
4716 | xfree (i.memop1_string); |
4717 | i.memop1_string = NULL; | |
29b0f896 AM |
4718 | if (line == NULL) |
4719 | return; | |
252b5132 | 4720 | |
29b0f896 AM |
4721 | /* Now we've parsed the mnemonic into a set of templates, and have the |
4722 | operands at hand. */ | |
4723 | ||
b630c145 | 4724 | /* All Intel opcodes have reversed operands except for "bound", "enter", |
c0e54661 JB |
4725 | "invlpg*", "monitor*", "mwait*", "tpause", "umwait", "pvalidate", |
4726 | "rmpadjust", and "rmpupdate". We also don't reverse intersegment "jmp" | |
4727 | and "call" instructions with 2 immediate operands so that the immediate | |
4728 | segment precedes the offset consistently in Intel and AT&T modes. */ | |
4d456e3d L |
4729 | if (intel_syntax |
4730 | && i.operands > 1 | |
29b0f896 | 4731 | && (strcmp (mnemonic, "bound") != 0) |
c0e54661 | 4732 | && (strncmp (mnemonic, "invlpg", 6) != 0) |
d34049e8 ML |
4733 | && !startswith (mnemonic, "monitor") |
4734 | && !startswith (mnemonic, "mwait") | |
c0e54661 | 4735 | && (strcmp (mnemonic, "pvalidate") != 0) |
d34049e8 | 4736 | && !startswith (mnemonic, "rmp") |
b630c145 JB |
4737 | && (strcmp (mnemonic, "tpause") != 0) |
4738 | && (strcmp (mnemonic, "umwait") != 0) | |
40fb9820 L |
4739 | && !(operand_type_check (i.types[0], imm) |
4740 | && operand_type_check (i.types[1], imm))) | |
29b0f896 AM |
4741 | swap_operands (); |
4742 | ||
ec56d5c0 JB |
4743 | /* The order of the immediates should be reversed |
4744 | for 2 immediates extrq and insertq instructions */ | |
4745 | if (i.imm_operands == 2 | |
4746 | && (strcmp (mnemonic, "extrq") == 0 | |
4747 | || strcmp (mnemonic, "insertq") == 0)) | |
4748 | swap_2_operands (0, 1); | |
4749 | ||
29b0f896 AM |
4750 | if (i.imm_operands) |
4751 | optimize_imm (); | |
4752 | ||
a9aabc23 | 4753 | if (i.disp_operands && !want_disp32 (current_templates->start)) |
cce08655 JB |
4754 | { |
4755 | for (j = 0; j < i.operands; ++j) | |
4756 | { | |
4757 | const expressionS *exp = i.op[j].disps; | |
4758 | ||
4759 | if (!operand_type_check (i.types[j], disp)) | |
4760 | continue; | |
4761 | ||
4762 | if (exp->X_op != O_constant) | |
4763 | continue; | |
4764 | ||
4765 | /* Since displacement is signed extended to 64bit, don't allow | |
4766 | disp32 and turn off disp32s if they are out of range. */ | |
4767 | i.types[j].bitfield.disp32 = 0; | |
4768 | if (fits_in_signed_long (exp->X_add_number)) | |
4769 | continue; | |
4770 | ||
4771 | i.types[j].bitfield.disp32s = 0; | |
4772 | if (i.types[j].bitfield.baseindex) | |
4773 | { | |
4774 | as_bad (_("0x%" BFD_VMA_FMT "x out of range of signed 32bit displacement"), | |
4775 | exp->X_add_number); | |
4776 | return; | |
4777 | } | |
4778 | } | |
4779 | } | |
4780 | ||
b300c311 L |
4781 | /* Don't optimize displacement for movabs since it only takes 64bit |
4782 | displacement. */ | |
4783 | if (i.disp_operands | |
a501d77e | 4784 | && i.disp_encoding != disp_encoding_32bit |
862be3fb L |
4785 | && (flag_code != CODE_64BIT |
4786 | || strcmp (mnemonic, "movabs") != 0)) | |
4787 | optimize_disp (); | |
29b0f896 AM |
4788 | |
4789 | /* Next, we find a template that matches the given insn, | |
4790 | making sure the overlap of the given operands types is consistent | |
4791 | with the template operand types. */ | |
252b5132 | 4792 | |
83b16ac6 | 4793 | if (!(t = match_template (mnem_suffix))) |
29b0f896 | 4794 | return; |
252b5132 | 4795 | |
7bab8ab5 | 4796 | if (sse_check != check_none |
81f8a913 | 4797 | && !i.tm.opcode_modifier.noavx |
6e3e5c9e | 4798 | && !i.tm.cpu_flags.bitfield.cpuavx |
569d50f1 | 4799 | && !i.tm.cpu_flags.bitfield.cpuavx512f |
daf50ae7 L |
4800 | && (i.tm.cpu_flags.bitfield.cpusse |
4801 | || i.tm.cpu_flags.bitfield.cpusse2 | |
4802 | || i.tm.cpu_flags.bitfield.cpusse3 | |
4803 | || i.tm.cpu_flags.bitfield.cpussse3 | |
4804 | || i.tm.cpu_flags.bitfield.cpusse4_1 | |
6e3e5c9e JB |
4805 | || i.tm.cpu_flags.bitfield.cpusse4_2 |
4806 | || i.tm.cpu_flags.bitfield.cpupclmul | |
4807 | || i.tm.cpu_flags.bitfield.cpuaes | |
569d50f1 | 4808 | || i.tm.cpu_flags.bitfield.cpusha |
6e3e5c9e | 4809 | || i.tm.cpu_flags.bitfield.cpugfni)) |
daf50ae7 | 4810 | { |
7bab8ab5 | 4811 | (sse_check == check_warning |
daf50ae7 L |
4812 | ? as_warn |
4813 | : as_bad) (_("SSE instruction `%s' is used"), i.tm.name); | |
4814 | } | |
4815 | ||
40fb9820 | 4816 | if (i.tm.opcode_modifier.fwait) |
29b0f896 AM |
4817 | if (!add_prefix (FWAIT_OPCODE)) |
4818 | return; | |
252b5132 | 4819 | |
d5de92cf | 4820 | /* Check if REP prefix is OK. */ |
742732c7 | 4821 | if (i.rep_prefix && i.tm.opcode_modifier.prefixok != PrefixRep) |
d5de92cf L |
4822 | { |
4823 | as_bad (_("invalid instruction `%s' after `%s'"), | |
4824 | i.tm.name, i.rep_prefix); | |
4825 | return; | |
4826 | } | |
4827 | ||
c1ba0266 L |
4828 | /* Check for lock without a lockable instruction. Destination operand |
4829 | must be memory unless it is xchg (0x86). */ | |
c32fa91d | 4830 | if (i.prefix[LOCK_PREFIX] |
742732c7 | 4831 | && (i.tm.opcode_modifier.prefixok < PrefixLock |
c1ba0266 L |
4832 | || i.mem_operands == 0 |
4833 | || (i.tm.base_opcode != 0x86 | |
8dc0818e | 4834 | && !(i.flags[i.operands - 1] & Operand_Mem)))) |
c32fa91d L |
4835 | { |
4836 | as_bad (_("expecting lockable instruction after `lock'")); | |
4837 | return; | |
4838 | } | |
4839 | ||
40d231b4 JB |
4840 | /* Check for data size prefix on VEX/XOP/EVEX encoded and SIMD insns. */ |
4841 | if (i.prefix[DATA_PREFIX] | |
4842 | && (is_any_vex_encoding (&i.tm) | |
4843 | || i.tm.operand_types[i.imm_operands].bitfield.class >= RegMMX | |
4844 | || i.tm.operand_types[i.imm_operands + 1].bitfield.class >= RegMMX)) | |
7a8655d2 JB |
4845 | { |
4846 | as_bad (_("data size prefix invalid with `%s'"), i.tm.name); | |
4847 | return; | |
4848 | } | |
4849 | ||
42164a71 | 4850 | /* Check if HLE prefix is OK. */ |
165de32a | 4851 | if (i.hle_prefix && !check_hle ()) |
42164a71 L |
4852 | return; |
4853 | ||
7e8b059b L |
4854 | /* Check BND prefix. */ |
4855 | if (i.bnd_prefix && !i.tm.opcode_modifier.bndprefixok) | |
4856 | as_bad (_("expecting valid branch instruction after `bnd'")); | |
4857 | ||
04ef582a | 4858 | /* Check NOTRACK prefix. */ |
742732c7 | 4859 | if (i.notrack_prefix && i.tm.opcode_modifier.prefixok != PrefixNoTrack) |
9fef80d6 | 4860 | as_bad (_("expecting indirect branch instruction after `notrack'")); |
04ef582a | 4861 | |
327e8c42 JB |
4862 | if (i.tm.cpu_flags.bitfield.cpumpx) |
4863 | { | |
4864 | if (flag_code == CODE_64BIT && i.prefix[ADDR_PREFIX]) | |
4865 | as_bad (_("32-bit address isn't allowed in 64-bit MPX instructions.")); | |
4866 | else if (flag_code != CODE_16BIT | |
4867 | ? i.prefix[ADDR_PREFIX] | |
4868 | : i.mem_operands && !i.prefix[ADDR_PREFIX]) | |
4869 | as_bad (_("16-bit address isn't allowed in MPX instructions")); | |
4870 | } | |
7e8b059b L |
4871 | |
4872 | /* Insert BND prefix. */ | |
76d3a78a JB |
4873 | if (add_bnd_prefix && i.tm.opcode_modifier.bndprefixok) |
4874 | { | |
4875 | if (!i.prefix[BND_PREFIX]) | |
4876 | add_prefix (BND_PREFIX_OPCODE); | |
4877 | else if (i.prefix[BND_PREFIX] != BND_PREFIX_OPCODE) | |
4878 | { | |
4879 | as_warn (_("replacing `rep'/`repe' prefix by `bnd'")); | |
4880 | i.prefix[BND_PREFIX] = BND_PREFIX_OPCODE; | |
4881 | } | |
4882 | } | |
7e8b059b | 4883 | |
29b0f896 | 4884 | /* Check string instruction segment overrides. */ |
51c8edf6 | 4885 | if (i.tm.opcode_modifier.isstring >= IS_STRING_ES_OP0) |
29b0f896 | 4886 | { |
51c8edf6 | 4887 | gas_assert (i.mem_operands); |
29b0f896 | 4888 | if (!check_string ()) |
5dd0794d | 4889 | return; |
fc0763e6 | 4890 | i.disp_operands = 0; |
29b0f896 | 4891 | } |
5dd0794d | 4892 | |
b6f8c7c4 L |
4893 | if (optimize && !i.no_optimize && i.tm.opcode_modifier.optimize) |
4894 | optimize_encoding (); | |
4895 | ||
29b0f896 AM |
4896 | if (!process_suffix ()) |
4897 | return; | |
e413e4e9 | 4898 | |
921eafea | 4899 | /* Update operand types and check extended states. */ |
bc0844ae | 4900 | for (j = 0; j < i.operands; j++) |
921eafea L |
4901 | { |
4902 | i.types[j] = operand_type_and (i.types[j], i.tm.operand_types[j]); | |
3d70986f | 4903 | switch (i.tm.operand_types[j].bitfield.class) |
921eafea L |
4904 | { |
4905 | default: | |
4906 | break; | |
4907 | case RegMMX: | |
4908 | i.xstate |= xstate_mmx; | |
4909 | break; | |
4910 | case RegMask: | |
32930e4e | 4911 | i.xstate |= xstate_mask; |
921eafea L |
4912 | break; |
4913 | case RegSIMD: | |
3d70986f | 4914 | if (i.tm.operand_types[j].bitfield.tmmword) |
921eafea | 4915 | i.xstate |= xstate_tmm; |
3d70986f | 4916 | else if (i.tm.operand_types[j].bitfield.zmmword) |
921eafea | 4917 | i.xstate |= xstate_zmm; |
3d70986f | 4918 | else if (i.tm.operand_types[j].bitfield.ymmword) |
921eafea | 4919 | i.xstate |= xstate_ymm; |
3d70986f | 4920 | else if (i.tm.operand_types[j].bitfield.xmmword) |
921eafea L |
4921 | i.xstate |= xstate_xmm; |
4922 | break; | |
4923 | } | |
4924 | } | |
bc0844ae | 4925 | |
29b0f896 AM |
4926 | /* Make still unresolved immediate matches conform to size of immediate |
4927 | given in i.suffix. */ | |
4928 | if (!finalize_imm ()) | |
4929 | return; | |
252b5132 | 4930 | |
40fb9820 | 4931 | if (i.types[0].bitfield.imm1) |
29b0f896 | 4932 | i.imm_operands = 0; /* kludge for shift insns. */ |
252b5132 | 4933 | |
9afe6eb8 L |
4934 | /* We only need to check those implicit registers for instructions |
4935 | with 3 operands or less. */ | |
4936 | if (i.operands <= 3) | |
4937 | for (j = 0; j < i.operands; j++) | |
75e5731b JB |
4938 | if (i.types[j].bitfield.instance != InstanceNone |
4939 | && !i.types[j].bitfield.xmmword) | |
9afe6eb8 | 4940 | i.reg_operands--; |
40fb9820 | 4941 | |
29b0f896 AM |
4942 | /* For insns with operands there are more diddles to do to the opcode. */ |
4943 | if (i.operands) | |
4944 | { | |
4945 | if (!process_operands ()) | |
4946 | return; | |
4947 | } | |
8c190ce0 | 4948 | else if (!quiet_warnings && i.tm.opcode_modifier.ugh) |
29b0f896 AM |
4949 | { |
4950 | /* UnixWare fsub no args is alias for fsubp, fadd -> faddp, etc. */ | |
4951 | as_warn (_("translating to `%sp'"), i.tm.name); | |
4952 | } | |
252b5132 | 4953 | |
7a8655d2 | 4954 | if (is_any_vex_encoding (&i.tm)) |
9e5e5283 | 4955 | { |
c1dc7af5 | 4956 | if (!cpu_arch_flags.bitfield.cpui286) |
9e5e5283 | 4957 | { |
c1dc7af5 | 4958 | as_bad (_("instruction `%s' isn't supported outside of protected mode."), |
9e5e5283 L |
4959 | i.tm.name); |
4960 | return; | |
4961 | } | |
c0f3af97 | 4962 | |
0b9404fd JB |
4963 | /* Check for explicit REX prefix. */ |
4964 | if (i.prefix[REX_PREFIX] || i.rex_encoding) | |
4965 | { | |
4966 | as_bad (_("REX prefix invalid with `%s'"), i.tm.name); | |
4967 | return; | |
4968 | } | |
4969 | ||
9e5e5283 L |
4970 | if (i.tm.opcode_modifier.vex) |
4971 | build_vex_prefix (t); | |
4972 | else | |
4973 | build_evex_prefix (); | |
0b9404fd JB |
4974 | |
4975 | /* The individual REX.RXBW bits got consumed. */ | |
4976 | i.rex &= REX_OPCODE; | |
9e5e5283 | 4977 | } |
43234a1e | 4978 | |
5dd85c99 SP |
4979 | /* Handle conversion of 'int $3' --> special int3 insn. XOP or FMA4 |
4980 | instructions may define INT_OPCODE as well, so avoid this corner | |
4981 | case for those instructions that use MODRM. */ | |
389d00a5 JB |
4982 | if (i.tm.opcode_modifier.opcodespace == SPACE_BASE |
4983 | && i.tm.base_opcode == INT_OPCODE | |
a6461c02 SP |
4984 | && !i.tm.opcode_modifier.modrm |
4985 | && i.op[0].imms->X_add_number == 3) | |
29b0f896 AM |
4986 | { |
4987 | i.tm.base_opcode = INT3_OPCODE; | |
4988 | i.imm_operands = 0; | |
4989 | } | |
252b5132 | 4990 | |
0cfa3eb3 JB |
4991 | if ((i.tm.opcode_modifier.jump == JUMP |
4992 | || i.tm.opcode_modifier.jump == JUMP_BYTE | |
4993 | || i.tm.opcode_modifier.jump == JUMP_DWORD) | |
29b0f896 AM |
4994 | && i.op[0].disps->X_op == O_constant) |
4995 | { | |
4996 | /* Convert "jmp constant" (and "call constant") to a jump (call) to | |
4997 | the absolute address given by the constant. Since ix86 jumps and | |
4998 | calls are pc relative, we need to generate a reloc. */ | |
4999 | i.op[0].disps->X_add_symbol = &abs_symbol; | |
5000 | i.op[0].disps->X_op = O_symbol; | |
5001 | } | |
252b5132 | 5002 | |
29b0f896 AM |
5003 | /* For 8 bit registers we need an empty rex prefix. Also if the |
5004 | instruction already has a prefix, we need to convert old | |
5005 | registers to new ones. */ | |
773f551c | 5006 | |
bab6aec1 | 5007 | if ((i.types[0].bitfield.class == Reg && i.types[0].bitfield.byte |
29b0f896 | 5008 | && (i.op[0].regs->reg_flags & RegRex64) != 0) |
bab6aec1 | 5009 | || (i.types[1].bitfield.class == Reg && i.types[1].bitfield.byte |
29b0f896 | 5010 | && (i.op[1].regs->reg_flags & RegRex64) != 0) |
bab6aec1 JB |
5011 | || (((i.types[0].bitfield.class == Reg && i.types[0].bitfield.byte) |
5012 | || (i.types[1].bitfield.class == Reg && i.types[1].bitfield.byte)) | |
29b0f896 AM |
5013 | && i.rex != 0)) |
5014 | { | |
5015 | int x; | |
726c5dcd | 5016 | |
29b0f896 AM |
5017 | i.rex |= REX_OPCODE; |
5018 | for (x = 0; x < 2; x++) | |
5019 | { | |
5020 | /* Look for 8 bit operand that uses old registers. */ | |
bab6aec1 | 5021 | if (i.types[x].bitfield.class == Reg && i.types[x].bitfield.byte |
29b0f896 | 5022 | && (i.op[x].regs->reg_flags & RegRex64) == 0) |
773f551c | 5023 | { |
3f93af61 | 5024 | gas_assert (!(i.op[x].regs->reg_flags & RegRex)); |
29b0f896 AM |
5025 | /* In case it is "hi" register, give up. */ |
5026 | if (i.op[x].regs->reg_num > 3) | |
a540244d | 5027 | as_bad (_("can't encode register '%s%s' in an " |
4eed87de | 5028 | "instruction requiring REX prefix."), |
a540244d | 5029 | register_prefix, i.op[x].regs->reg_name); |
773f551c | 5030 | |
29b0f896 AM |
5031 | /* Otherwise it is equivalent to the extended register. |
5032 | Since the encoding doesn't change this is merely | |
5033 | cosmetic cleanup for debug output. */ | |
5034 | ||
5035 | i.op[x].regs = i.op[x].regs + 8; | |
773f551c | 5036 | } |
29b0f896 AM |
5037 | } |
5038 | } | |
773f551c | 5039 | |
6b6b6807 L |
5040 | if (i.rex == 0 && i.rex_encoding) |
5041 | { | |
5042 | /* Check if we can add a REX_OPCODE byte. Look for 8 bit operand | |
3f93af61 | 5043 | that uses legacy register. If it is "hi" register, don't add |
6b6b6807 L |
5044 | the REX_OPCODE byte. */ |
5045 | int x; | |
5046 | for (x = 0; x < 2; x++) | |
bab6aec1 | 5047 | if (i.types[x].bitfield.class == Reg |
6b6b6807 L |
5048 | && i.types[x].bitfield.byte |
5049 | && (i.op[x].regs->reg_flags & RegRex64) == 0 | |
5050 | && i.op[x].regs->reg_num > 3) | |
5051 | { | |
3f93af61 | 5052 | gas_assert (!(i.op[x].regs->reg_flags & RegRex)); |
5b7c81bd | 5053 | i.rex_encoding = false; |
6b6b6807 L |
5054 | break; |
5055 | } | |
5056 | ||
5057 | if (i.rex_encoding) | |
5058 | i.rex = REX_OPCODE; | |
5059 | } | |
5060 | ||
7ab9ffdd | 5061 | if (i.rex != 0) |
29b0f896 AM |
5062 | add_prefix (REX_OPCODE | i.rex); |
5063 | ||
ae531041 L |
5064 | insert_lfence_before (); |
5065 | ||
29b0f896 AM |
5066 | /* We are ready to output the insn. */ |
5067 | output_insn (); | |
e379e5f3 | 5068 | |
ae531041 L |
5069 | insert_lfence_after (); |
5070 | ||
e379e5f3 L |
5071 | last_insn.seg = now_seg; |
5072 | ||
5073 | if (i.tm.opcode_modifier.isprefix) | |
5074 | { | |
5075 | last_insn.kind = last_insn_prefix; | |
5076 | last_insn.name = i.tm.name; | |
5077 | last_insn.file = as_where (&last_insn.line); | |
5078 | } | |
5079 | else | |
5080 | last_insn.kind = last_insn_other; | |
29b0f896 AM |
5081 | } |
5082 | ||
5083 | static char * | |
e3bb37b5 | 5084 | parse_insn (char *line, char *mnemonic) |
29b0f896 AM |
5085 | { |
5086 | char *l = line; | |
5087 | char *token_start = l; | |
5088 | char *mnem_p; | |
5c6af06e | 5089 | int supported; |
d3ce72d0 | 5090 | const insn_template *t; |
b6169b20 | 5091 | char *dot_p = NULL; |
29b0f896 | 5092 | |
29b0f896 AM |
5093 | while (1) |
5094 | { | |
5095 | mnem_p = mnemonic; | |
5096 | while ((*mnem_p = mnemonic_chars[(unsigned char) *l]) != 0) | |
5097 | { | |
b6169b20 L |
5098 | if (*mnem_p == '.') |
5099 | dot_p = mnem_p; | |
29b0f896 AM |
5100 | mnem_p++; |
5101 | if (mnem_p >= mnemonic + MAX_MNEM_SIZE) | |
45288df1 | 5102 | { |
29b0f896 AM |
5103 | as_bad (_("no such instruction: `%s'"), token_start); |
5104 | return NULL; | |
5105 | } | |
5106 | l++; | |
5107 | } | |
5108 | if (!is_space_char (*l) | |
5109 | && *l != END_OF_INSN | |
e44823cf JB |
5110 | && (intel_syntax |
5111 | || (*l != PREFIX_SEPARATOR | |
5112 | && *l != ','))) | |
29b0f896 AM |
5113 | { |
5114 | as_bad (_("invalid character %s in mnemonic"), | |
5115 | output_invalid (*l)); | |
5116 | return NULL; | |
5117 | } | |
5118 | if (token_start == l) | |
5119 | { | |
e44823cf | 5120 | if (!intel_syntax && *l == PREFIX_SEPARATOR) |
29b0f896 AM |
5121 | as_bad (_("expecting prefix; got nothing")); |
5122 | else | |
5123 | as_bad (_("expecting mnemonic; got nothing")); | |
5124 | return NULL; | |
5125 | } | |
45288df1 | 5126 | |
29b0f896 | 5127 | /* Look up instruction (or prefix) via hash table. */ |
629310ab | 5128 | current_templates = (const templates *) str_hash_find (op_hash, mnemonic); |
47926f60 | 5129 | |
29b0f896 AM |
5130 | if (*l != END_OF_INSN |
5131 | && (!is_space_char (*l) || l[1] != END_OF_INSN) | |
5132 | && current_templates | |
40fb9820 | 5133 | && current_templates->start->opcode_modifier.isprefix) |
29b0f896 | 5134 | { |
c6fb90c8 | 5135 | if (!cpu_flags_check_cpu64 (current_templates->start->cpu_flags)) |
2dd88dca JB |
5136 | { |
5137 | as_bad ((flag_code != CODE_64BIT | |
5138 | ? _("`%s' is only supported in 64-bit mode") | |
5139 | : _("`%s' is not supported in 64-bit mode")), | |
5140 | current_templates->start->name); | |
5141 | return NULL; | |
5142 | } | |
29b0f896 AM |
5143 | /* If we are in 16-bit mode, do not allow addr16 or data16. |
5144 | Similarly, in 32-bit mode, do not allow addr32 or data32. */ | |
673fe0f0 JB |
5145 | if ((current_templates->start->opcode_modifier.size == SIZE16 |
5146 | || current_templates->start->opcode_modifier.size == SIZE32) | |
29b0f896 | 5147 | && flag_code != CODE_64BIT |
673fe0f0 | 5148 | && ((current_templates->start->opcode_modifier.size == SIZE32) |
29b0f896 AM |
5149 | ^ (flag_code == CODE_16BIT))) |
5150 | { | |
5151 | as_bad (_("redundant %s prefix"), | |
5152 | current_templates->start->name); | |
5153 | return NULL; | |
45288df1 | 5154 | } |
31184569 JB |
5155 | |
5156 | if (current_templates->start->base_opcode == PSEUDO_PREFIX) | |
29b0f896 | 5157 | { |
86fa6981 | 5158 | /* Handle pseudo prefixes. */ |
31184569 | 5159 | switch (current_templates->start->extension_opcode) |
86fa6981 | 5160 | { |
41eb8e88 | 5161 | case Prefix_Disp8: |
86fa6981 L |
5162 | /* {disp8} */ |
5163 | i.disp_encoding = disp_encoding_8bit; | |
5164 | break; | |
41eb8e88 L |
5165 | case Prefix_Disp16: |
5166 | /* {disp16} */ | |
5167 | i.disp_encoding = disp_encoding_16bit; | |
5168 | break; | |
5169 | case Prefix_Disp32: | |
86fa6981 L |
5170 | /* {disp32} */ |
5171 | i.disp_encoding = disp_encoding_32bit; | |
5172 | break; | |
41eb8e88 | 5173 | case Prefix_Load: |
86fa6981 L |
5174 | /* {load} */ |
5175 | i.dir_encoding = dir_encoding_load; | |
5176 | break; | |
41eb8e88 | 5177 | case Prefix_Store: |
86fa6981 L |
5178 | /* {store} */ |
5179 | i.dir_encoding = dir_encoding_store; | |
5180 | break; | |
41eb8e88 | 5181 | case Prefix_VEX: |
42e04b36 L |
5182 | /* {vex} */ |
5183 | i.vec_encoding = vex_encoding_vex; | |
86fa6981 | 5184 | break; |
41eb8e88 | 5185 | case Prefix_VEX3: |
86fa6981 L |
5186 | /* {vex3} */ |
5187 | i.vec_encoding = vex_encoding_vex3; | |
5188 | break; | |
41eb8e88 | 5189 | case Prefix_EVEX: |
86fa6981 L |
5190 | /* {evex} */ |
5191 | i.vec_encoding = vex_encoding_evex; | |
5192 | break; | |
41eb8e88 | 5193 | case Prefix_REX: |
6b6b6807 | 5194 | /* {rex} */ |
5b7c81bd | 5195 | i.rex_encoding = true; |
6b6b6807 | 5196 | break; |
41eb8e88 | 5197 | case Prefix_NoOptimize: |
b6f8c7c4 | 5198 | /* {nooptimize} */ |
5b7c81bd | 5199 | i.no_optimize = true; |
b6f8c7c4 | 5200 | break; |
86fa6981 L |
5201 | default: |
5202 | abort (); | |
5203 | } | |
5204 | } | |
5205 | else | |
5206 | { | |
5207 | /* Add prefix, checking for repeated prefixes. */ | |
4e9ac44a | 5208 | switch (add_prefix (current_templates->start->base_opcode)) |
86fa6981 | 5209 | { |
4e9ac44a L |
5210 | case PREFIX_EXIST: |
5211 | return NULL; | |
5212 | case PREFIX_DS: | |
d777820b | 5213 | if (current_templates->start->cpu_flags.bitfield.cpuibt) |
4e9ac44a L |
5214 | i.notrack_prefix = current_templates->start->name; |
5215 | break; | |
5216 | case PREFIX_REP: | |
5217 | if (current_templates->start->cpu_flags.bitfield.cpuhle) | |
5218 | i.hle_prefix = current_templates->start->name; | |
5219 | else if (current_templates->start->cpu_flags.bitfield.cpumpx) | |
5220 | i.bnd_prefix = current_templates->start->name; | |
5221 | else | |
5222 | i.rep_prefix = current_templates->start->name; | |
5223 | break; | |
5224 | default: | |
5225 | break; | |
86fa6981 | 5226 | } |
29b0f896 AM |
5227 | } |
5228 | /* Skip past PREFIX_SEPARATOR and reset token_start. */ | |
5229 | token_start = ++l; | |
5230 | } | |
5231 | else | |
5232 | break; | |
5233 | } | |
45288df1 | 5234 | |
30a55f88 | 5235 | if (!current_templates) |
b6169b20 | 5236 | { |
07d5e953 JB |
5237 | /* Deprecated functionality (new code should use pseudo-prefixes instead): |
5238 | Check if we should swap operand or force 32bit displacement in | |
f8a5c266 | 5239 | encoding. */ |
30a55f88 | 5240 | if (mnem_p - 2 == dot_p && dot_p[1] == 's') |
64c49ab3 | 5241 | i.dir_encoding = dir_encoding_swap; |
8d63c93e | 5242 | else if (mnem_p - 3 == dot_p |
a501d77e L |
5243 | && dot_p[1] == 'd' |
5244 | && dot_p[2] == '8') | |
5245 | i.disp_encoding = disp_encoding_8bit; | |
8d63c93e | 5246 | else if (mnem_p - 4 == dot_p |
f8a5c266 L |
5247 | && dot_p[1] == 'd' |
5248 | && dot_p[2] == '3' | |
5249 | && dot_p[3] == '2') | |
a501d77e | 5250 | i.disp_encoding = disp_encoding_32bit; |
30a55f88 L |
5251 | else |
5252 | goto check_suffix; | |
5253 | mnem_p = dot_p; | |
5254 | *dot_p = '\0'; | |
629310ab | 5255 | current_templates = (const templates *) str_hash_find (op_hash, mnemonic); |
b6169b20 L |
5256 | } |
5257 | ||
29b0f896 AM |
5258 | if (!current_templates) |
5259 | { | |
dc1e8a47 | 5260 | check_suffix: |
1c529385 | 5261 | if (mnem_p > mnemonic) |
29b0f896 | 5262 | { |
1c529385 LH |
5263 | /* See if we can get a match by trimming off a suffix. */ |
5264 | switch (mnem_p[-1]) | |
29b0f896 | 5265 | { |
1c529385 LH |
5266 | case WORD_MNEM_SUFFIX: |
5267 | if (intel_syntax && (intel_float_operand (mnemonic) & 2)) | |
29b0f896 AM |
5268 | i.suffix = SHORT_MNEM_SUFFIX; |
5269 | else | |
1c529385 LH |
5270 | /* Fall through. */ |
5271 | case BYTE_MNEM_SUFFIX: | |
5272 | case QWORD_MNEM_SUFFIX: | |
5273 | i.suffix = mnem_p[-1]; | |
29b0f896 | 5274 | mnem_p[-1] = '\0'; |
fe0e921f AM |
5275 | current_templates |
5276 | = (const templates *) str_hash_find (op_hash, mnemonic); | |
1c529385 LH |
5277 | break; |
5278 | case SHORT_MNEM_SUFFIX: | |
5279 | case LONG_MNEM_SUFFIX: | |
5280 | if (!intel_syntax) | |
5281 | { | |
5282 | i.suffix = mnem_p[-1]; | |
5283 | mnem_p[-1] = '\0'; | |
fe0e921f AM |
5284 | current_templates |
5285 | = (const templates *) str_hash_find (op_hash, mnemonic); | |
1c529385 LH |
5286 | } |
5287 | break; | |
5288 | ||
5289 | /* Intel Syntax. */ | |
5290 | case 'd': | |
5291 | if (intel_syntax) | |
5292 | { | |
5293 | if (intel_float_operand (mnemonic) == 1) | |
5294 | i.suffix = SHORT_MNEM_SUFFIX; | |
5295 | else | |
5296 | i.suffix = LONG_MNEM_SUFFIX; | |
5297 | mnem_p[-1] = '\0'; | |
fe0e921f AM |
5298 | current_templates |
5299 | = (const templates *) str_hash_find (op_hash, mnemonic); | |
1c529385 LH |
5300 | } |
5301 | break; | |
29b0f896 | 5302 | } |
29b0f896 | 5303 | } |
1c529385 | 5304 | |
29b0f896 AM |
5305 | if (!current_templates) |
5306 | { | |
5307 | as_bad (_("no such instruction: `%s'"), token_start); | |
5308 | return NULL; | |
5309 | } | |
5310 | } | |
252b5132 | 5311 | |
0cfa3eb3 JB |
5312 | if (current_templates->start->opcode_modifier.jump == JUMP |
5313 | || current_templates->start->opcode_modifier.jump == JUMP_BYTE) | |
29b0f896 AM |
5314 | { |
5315 | /* Check for a branch hint. We allow ",pt" and ",pn" for | |
5316 | predict taken and predict not taken respectively. | |
5317 | I'm not sure that branch hints actually do anything on loop | |
5318 | and jcxz insns (JumpByte) for current Pentium4 chips. They | |
5319 | may work in the future and it doesn't hurt to accept them | |
5320 | now. */ | |
5321 | if (l[0] == ',' && l[1] == 'p') | |
5322 | { | |
5323 | if (l[2] == 't') | |
5324 | { | |
5325 | if (!add_prefix (DS_PREFIX_OPCODE)) | |
5326 | return NULL; | |
5327 | l += 3; | |
5328 | } | |
5329 | else if (l[2] == 'n') | |
5330 | { | |
5331 | if (!add_prefix (CS_PREFIX_OPCODE)) | |
5332 | return NULL; | |
5333 | l += 3; | |
5334 | } | |
5335 | } | |
5336 | } | |
5337 | /* Any other comma loses. */ | |
5338 | if (*l == ',') | |
5339 | { | |
5340 | as_bad (_("invalid character %s in mnemonic"), | |
5341 | output_invalid (*l)); | |
5342 | return NULL; | |
5343 | } | |
252b5132 | 5344 | |
29b0f896 | 5345 | /* Check if instruction is supported on specified architecture. */ |
5c6af06e JB |
5346 | supported = 0; |
5347 | for (t = current_templates->start; t < current_templates->end; ++t) | |
5348 | { | |
c0f3af97 L |
5349 | supported |= cpu_flags_match (t); |
5350 | if (supported == CPU_FLAGS_PERFECT_MATCH) | |
548d0ee6 JB |
5351 | { |
5352 | if (!cpu_arch_flags.bitfield.cpui386 && (flag_code != CODE_16BIT)) | |
5353 | as_warn (_("use .code16 to ensure correct addressing mode")); | |
3629bb00 | 5354 | |
548d0ee6 JB |
5355 | return l; |
5356 | } | |
29b0f896 | 5357 | } |
3629bb00 | 5358 | |
548d0ee6 JB |
5359 | if (!(supported & CPU_FLAGS_64BIT_MATCH)) |
5360 | as_bad (flag_code == CODE_64BIT | |
5361 | ? _("`%s' is not supported in 64-bit mode") | |
5362 | : _("`%s' is only supported in 64-bit mode"), | |
5363 | current_templates->start->name); | |
5364 | else | |
5365 | as_bad (_("`%s' is not supported on `%s%s'"), | |
5366 | current_templates->start->name, | |
5367 | cpu_arch_name ? cpu_arch_name : default_arch, | |
5368 | cpu_sub_arch_name ? cpu_sub_arch_name : ""); | |
252b5132 | 5369 | |
548d0ee6 | 5370 | return NULL; |
29b0f896 | 5371 | } |
252b5132 | 5372 | |
29b0f896 | 5373 | static char * |
e3bb37b5 | 5374 | parse_operands (char *l, const char *mnemonic) |
29b0f896 AM |
5375 | { |
5376 | char *token_start; | |
3138f287 | 5377 | |
29b0f896 AM |
5378 | /* 1 if operand is pending after ','. */ |
5379 | unsigned int expecting_operand = 0; | |
252b5132 | 5380 | |
29b0f896 AM |
5381 | /* Non-zero if operand parens not balanced. */ |
5382 | unsigned int paren_not_balanced; | |
5383 | ||
5384 | while (*l != END_OF_INSN) | |
5385 | { | |
5386 | /* Skip optional white space before operand. */ | |
5387 | if (is_space_char (*l)) | |
5388 | ++l; | |
d02603dc | 5389 | if (!is_operand_char (*l) && *l != END_OF_INSN && *l != '"') |
29b0f896 AM |
5390 | { |
5391 | as_bad (_("invalid character %s before operand %d"), | |
5392 | output_invalid (*l), | |
5393 | i.operands + 1); | |
5394 | return NULL; | |
5395 | } | |
d02603dc | 5396 | token_start = l; /* After white space. */ |
29b0f896 AM |
5397 | paren_not_balanced = 0; |
5398 | while (paren_not_balanced || *l != ',') | |
5399 | { | |
5400 | if (*l == END_OF_INSN) | |
5401 | { | |
5402 | if (paren_not_balanced) | |
5403 | { | |
5404 | if (!intel_syntax) | |
5405 | as_bad (_("unbalanced parenthesis in operand %d."), | |
5406 | i.operands + 1); | |
5407 | else | |
5408 | as_bad (_("unbalanced brackets in operand %d."), | |
5409 | i.operands + 1); | |
5410 | return NULL; | |
5411 | } | |
5412 | else | |
5413 | break; /* we are done */ | |
5414 | } | |
d02603dc | 5415 | else if (!is_operand_char (*l) && !is_space_char (*l) && *l != '"') |
29b0f896 AM |
5416 | { |
5417 | as_bad (_("invalid character %s in operand %d"), | |
5418 | output_invalid (*l), | |
5419 | i.operands + 1); | |
5420 | return NULL; | |
5421 | } | |
5422 | if (!intel_syntax) | |
5423 | { | |
5424 | if (*l == '(') | |
5425 | ++paren_not_balanced; | |
5426 | if (*l == ')') | |
5427 | --paren_not_balanced; | |
5428 | } | |
5429 | else | |
5430 | { | |
5431 | if (*l == '[') | |
5432 | ++paren_not_balanced; | |
5433 | if (*l == ']') | |
5434 | --paren_not_balanced; | |
5435 | } | |
5436 | l++; | |
5437 | } | |
5438 | if (l != token_start) | |
5439 | { /* Yes, we've read in another operand. */ | |
5440 | unsigned int operand_ok; | |
5441 | this_operand = i.operands++; | |
5442 | if (i.operands > MAX_OPERANDS) | |
5443 | { | |
5444 | as_bad (_("spurious operands; (%d operands/instruction max)"), | |
5445 | MAX_OPERANDS); | |
5446 | return NULL; | |
5447 | } | |
9d46ce34 | 5448 | i.types[this_operand].bitfield.unspecified = 1; |
29b0f896 AM |
5449 | /* Now parse operand adding info to 'i' as we go along. */ |
5450 | END_STRING_AND_SAVE (l); | |
5451 | ||
1286ab78 L |
5452 | if (i.mem_operands > 1) |
5453 | { | |
5454 | as_bad (_("too many memory references for `%s'"), | |
5455 | mnemonic); | |
5456 | return 0; | |
5457 | } | |
5458 | ||
29b0f896 AM |
5459 | if (intel_syntax) |
5460 | operand_ok = | |
5461 | i386_intel_operand (token_start, | |
5462 | intel_float_operand (mnemonic)); | |
5463 | else | |
a7619375 | 5464 | operand_ok = i386_att_operand (token_start); |
29b0f896 AM |
5465 | |
5466 | RESTORE_END_STRING (l); | |
5467 | if (!operand_ok) | |
5468 | return NULL; | |
5469 | } | |
5470 | else | |
5471 | { | |
5472 | if (expecting_operand) | |
5473 | { | |
5474 | expecting_operand_after_comma: | |
5475 | as_bad (_("expecting operand after ','; got nothing")); | |
5476 | return NULL; | |
5477 | } | |
5478 | if (*l == ',') | |
5479 | { | |
5480 | as_bad (_("expecting operand before ','; got nothing")); | |
5481 | return NULL; | |
5482 | } | |
5483 | } | |
7f3f1ea2 | 5484 | |
29b0f896 AM |
5485 | /* Now *l must be either ',' or END_OF_INSN. */ |
5486 | if (*l == ',') | |
5487 | { | |
5488 | if (*++l == END_OF_INSN) | |
5489 | { | |
5490 | /* Just skip it, if it's \n complain. */ | |
5491 | goto expecting_operand_after_comma; | |
5492 | } | |
5493 | expecting_operand = 1; | |
5494 | } | |
5495 | } | |
5496 | return l; | |
5497 | } | |
7f3f1ea2 | 5498 | |
050dfa73 | 5499 | static void |
783c187b | 5500 | swap_2_operands (unsigned int xchg1, unsigned int xchg2) |
050dfa73 MM |
5501 | { |
5502 | union i386_op temp_op; | |
40fb9820 | 5503 | i386_operand_type temp_type; |
c48dadc9 | 5504 | unsigned int temp_flags; |
050dfa73 | 5505 | enum bfd_reloc_code_real temp_reloc; |
4eed87de | 5506 | |
050dfa73 MM |
5507 | temp_type = i.types[xchg2]; |
5508 | i.types[xchg2] = i.types[xchg1]; | |
5509 | i.types[xchg1] = temp_type; | |
c48dadc9 JB |
5510 | |
5511 | temp_flags = i.flags[xchg2]; | |
5512 | i.flags[xchg2] = i.flags[xchg1]; | |
5513 | i.flags[xchg1] = temp_flags; | |
5514 | ||
050dfa73 MM |
5515 | temp_op = i.op[xchg2]; |
5516 | i.op[xchg2] = i.op[xchg1]; | |
5517 | i.op[xchg1] = temp_op; | |
c48dadc9 | 5518 | |
050dfa73 MM |
5519 | temp_reloc = i.reloc[xchg2]; |
5520 | i.reloc[xchg2] = i.reloc[xchg1]; | |
5521 | i.reloc[xchg1] = temp_reloc; | |
43234a1e | 5522 | |
6225c532 | 5523 | if (i.mask.reg) |
43234a1e | 5524 | { |
6225c532 JB |
5525 | if (i.mask.operand == xchg1) |
5526 | i.mask.operand = xchg2; | |
5527 | else if (i.mask.operand == xchg2) | |
5528 | i.mask.operand = xchg1; | |
43234a1e | 5529 | } |
5273a3cd | 5530 | if (i.broadcast.type) |
43234a1e | 5531 | { |
5273a3cd JB |
5532 | if (i.broadcast.operand == xchg1) |
5533 | i.broadcast.operand = xchg2; | |
5534 | else if (i.broadcast.operand == xchg2) | |
5535 | i.broadcast.operand = xchg1; | |
43234a1e | 5536 | } |
ca5312a2 | 5537 | if (i.rounding.type != rc_none) |
43234a1e | 5538 | { |
ca5312a2 JB |
5539 | if (i.rounding.operand == xchg1) |
5540 | i.rounding.operand = xchg2; | |
5541 | else if (i.rounding.operand == xchg2) | |
5542 | i.rounding.operand = xchg1; | |
43234a1e | 5543 | } |
050dfa73 MM |
5544 | } |
5545 | ||
29b0f896 | 5546 | static void |
e3bb37b5 | 5547 | swap_operands (void) |
29b0f896 | 5548 | { |
b7c61d9a | 5549 | switch (i.operands) |
050dfa73 | 5550 | { |
c0f3af97 | 5551 | case 5: |
b7c61d9a | 5552 | case 4: |
4d456e3d | 5553 | swap_2_operands (1, i.operands - 2); |
1a0670f3 | 5554 | /* Fall through. */ |
b7c61d9a L |
5555 | case 3: |
5556 | case 2: | |
4d456e3d | 5557 | swap_2_operands (0, i.operands - 1); |
b7c61d9a L |
5558 | break; |
5559 | default: | |
5560 | abort (); | |
29b0f896 | 5561 | } |
29b0f896 AM |
5562 | |
5563 | if (i.mem_operands == 2) | |
5564 | { | |
5e042380 | 5565 | const reg_entry *temp_seg; |
29b0f896 AM |
5566 | temp_seg = i.seg[0]; |
5567 | i.seg[0] = i.seg[1]; | |
5568 | i.seg[1] = temp_seg; | |
5569 | } | |
5570 | } | |
252b5132 | 5571 | |
29b0f896 AM |
5572 | /* Try to ensure constant immediates are represented in the smallest |
5573 | opcode possible. */ | |
5574 | static void | |
e3bb37b5 | 5575 | optimize_imm (void) |
29b0f896 AM |
5576 | { |
5577 | char guess_suffix = 0; | |
5578 | int op; | |
252b5132 | 5579 | |
29b0f896 AM |
5580 | if (i.suffix) |
5581 | guess_suffix = i.suffix; | |
5582 | else if (i.reg_operands) | |
5583 | { | |
5584 | /* Figure out a suffix from the last register operand specified. | |
75e5731b JB |
5585 | We can't do this properly yet, i.e. excluding special register |
5586 | instances, but the following works for instructions with | |
5587 | immediates. In any case, we can't set i.suffix yet. */ | |
29b0f896 | 5588 | for (op = i.operands; --op >= 0;) |
bab6aec1 JB |
5589 | if (i.types[op].bitfield.class != Reg) |
5590 | continue; | |
5591 | else if (i.types[op].bitfield.byte) | |
7ab9ffdd | 5592 | { |
40fb9820 L |
5593 | guess_suffix = BYTE_MNEM_SUFFIX; |
5594 | break; | |
5595 | } | |
bab6aec1 | 5596 | else if (i.types[op].bitfield.word) |
252b5132 | 5597 | { |
40fb9820 L |
5598 | guess_suffix = WORD_MNEM_SUFFIX; |
5599 | break; | |
5600 | } | |
bab6aec1 | 5601 | else if (i.types[op].bitfield.dword) |
40fb9820 L |
5602 | { |
5603 | guess_suffix = LONG_MNEM_SUFFIX; | |
5604 | break; | |
5605 | } | |
bab6aec1 | 5606 | else if (i.types[op].bitfield.qword) |
40fb9820 L |
5607 | { |
5608 | guess_suffix = QWORD_MNEM_SUFFIX; | |
29b0f896 | 5609 | break; |
252b5132 | 5610 | } |
29b0f896 AM |
5611 | } |
5612 | else if ((flag_code == CODE_16BIT) ^ (i.prefix[DATA_PREFIX] != 0)) | |
5613 | guess_suffix = WORD_MNEM_SUFFIX; | |
5614 | ||
5615 | for (op = i.operands; --op >= 0;) | |
40fb9820 | 5616 | if (operand_type_check (i.types[op], imm)) |
29b0f896 AM |
5617 | { |
5618 | switch (i.op[op].imms->X_op) | |
252b5132 | 5619 | { |
29b0f896 AM |
5620 | case O_constant: |
5621 | /* If a suffix is given, this operand may be shortened. */ | |
5622 | switch (guess_suffix) | |
252b5132 | 5623 | { |
29b0f896 | 5624 | case LONG_MNEM_SUFFIX: |
40fb9820 L |
5625 | i.types[op].bitfield.imm32 = 1; |
5626 | i.types[op].bitfield.imm64 = 1; | |
29b0f896 AM |
5627 | break; |
5628 | case WORD_MNEM_SUFFIX: | |
40fb9820 L |
5629 | i.types[op].bitfield.imm16 = 1; |
5630 | i.types[op].bitfield.imm32 = 1; | |
5631 | i.types[op].bitfield.imm32s = 1; | |
5632 | i.types[op].bitfield.imm64 = 1; | |
29b0f896 AM |
5633 | break; |
5634 | case BYTE_MNEM_SUFFIX: | |
40fb9820 L |
5635 | i.types[op].bitfield.imm8 = 1; |
5636 | i.types[op].bitfield.imm8s = 1; | |
5637 | i.types[op].bitfield.imm16 = 1; | |
5638 | i.types[op].bitfield.imm32 = 1; | |
5639 | i.types[op].bitfield.imm32s = 1; | |
5640 | i.types[op].bitfield.imm64 = 1; | |
29b0f896 | 5641 | break; |
252b5132 | 5642 | } |
252b5132 | 5643 | |
29b0f896 AM |
5644 | /* If this operand is at most 16 bits, convert it |
5645 | to a signed 16 bit number before trying to see | |
5646 | whether it will fit in an even smaller size. | |
5647 | This allows a 16-bit operand such as $0xffe0 to | |
5648 | be recognised as within Imm8S range. */ | |
40fb9820 | 5649 | if ((i.types[op].bitfield.imm16) |
29b0f896 | 5650 | && (i.op[op].imms->X_add_number & ~(offsetT) 0xffff) == 0) |
252b5132 | 5651 | { |
29b0f896 AM |
5652 | i.op[op].imms->X_add_number = |
5653 | (((i.op[op].imms->X_add_number & 0xffff) ^ 0x8000) - 0x8000); | |
5654 | } | |
a28def75 L |
5655 | #ifdef BFD64 |
5656 | /* Store 32-bit immediate in 64-bit for 64-bit BFD. */ | |
40fb9820 | 5657 | if ((i.types[op].bitfield.imm32) |
29b0f896 AM |
5658 | && ((i.op[op].imms->X_add_number & ~(((offsetT) 2 << 31) - 1)) |
5659 | == 0)) | |
5660 | { | |
5661 | i.op[op].imms->X_add_number = ((i.op[op].imms->X_add_number | |
5662 | ^ ((offsetT) 1 << 31)) | |
5663 | - ((offsetT) 1 << 31)); | |
5664 | } | |
a28def75 | 5665 | #endif |
40fb9820 | 5666 | i.types[op] |
c6fb90c8 L |
5667 | = operand_type_or (i.types[op], |
5668 | smallest_imm_type (i.op[op].imms->X_add_number)); | |
252b5132 | 5669 | |
29b0f896 AM |
5670 | /* We must avoid matching of Imm32 templates when 64bit |
5671 | only immediate is available. */ | |
5672 | if (guess_suffix == QWORD_MNEM_SUFFIX) | |
40fb9820 | 5673 | i.types[op].bitfield.imm32 = 0; |
29b0f896 | 5674 | break; |
252b5132 | 5675 | |
29b0f896 AM |
5676 | case O_absent: |
5677 | case O_register: | |
5678 | abort (); | |
5679 | ||
5680 | /* Symbols and expressions. */ | |
5681 | default: | |
9cd96992 JB |
5682 | /* Convert symbolic operand to proper sizes for matching, but don't |
5683 | prevent matching a set of insns that only supports sizes other | |
5684 | than those matching the insn suffix. */ | |
5685 | { | |
40fb9820 | 5686 | i386_operand_type mask, allowed; |
d3ce72d0 | 5687 | const insn_template *t; |
9cd96992 | 5688 | |
0dfbf9d7 L |
5689 | operand_type_set (&mask, 0); |
5690 | operand_type_set (&allowed, 0); | |
40fb9820 | 5691 | |
4eed87de AM |
5692 | for (t = current_templates->start; |
5693 | t < current_templates->end; | |
5694 | ++t) | |
bab6aec1 JB |
5695 | { |
5696 | allowed = operand_type_or (allowed, t->operand_types[op]); | |
5697 | allowed = operand_type_and (allowed, anyimm); | |
5698 | } | |
9cd96992 JB |
5699 | switch (guess_suffix) |
5700 | { | |
5701 | case QWORD_MNEM_SUFFIX: | |
40fb9820 L |
5702 | mask.bitfield.imm64 = 1; |
5703 | mask.bitfield.imm32s = 1; | |
9cd96992 JB |
5704 | break; |
5705 | case LONG_MNEM_SUFFIX: | |
40fb9820 | 5706 | mask.bitfield.imm32 = 1; |
9cd96992 JB |
5707 | break; |
5708 | case WORD_MNEM_SUFFIX: | |
40fb9820 | 5709 | mask.bitfield.imm16 = 1; |
9cd96992 JB |
5710 | break; |
5711 | case BYTE_MNEM_SUFFIX: | |
40fb9820 | 5712 | mask.bitfield.imm8 = 1; |
9cd96992 JB |
5713 | break; |
5714 | default: | |
9cd96992 JB |
5715 | break; |
5716 | } | |
c6fb90c8 | 5717 | allowed = operand_type_and (mask, allowed); |
0dfbf9d7 | 5718 | if (!operand_type_all_zero (&allowed)) |
c6fb90c8 | 5719 | i.types[op] = operand_type_and (i.types[op], mask); |
9cd96992 | 5720 | } |
29b0f896 | 5721 | break; |
252b5132 | 5722 | } |
29b0f896 AM |
5723 | } |
5724 | } | |
47926f60 | 5725 | |
29b0f896 AM |
5726 | /* Try to use the smallest displacement type too. */ |
5727 | static void | |
e3bb37b5 | 5728 | optimize_disp (void) |
29b0f896 AM |
5729 | { |
5730 | int op; | |
3e73aa7c | 5731 | |
29b0f896 | 5732 | for (op = i.operands; --op >= 0;) |
40fb9820 | 5733 | if (operand_type_check (i.types[op], disp)) |
252b5132 | 5734 | { |
b300c311 | 5735 | if (i.op[op].disps->X_op == O_constant) |
252b5132 | 5736 | { |
91d6fa6a | 5737 | offsetT op_disp = i.op[op].disps->X_add_number; |
29b0f896 | 5738 | |
40fb9820 | 5739 | if (i.types[op].bitfield.disp16 |
91d6fa6a | 5740 | && (op_disp & ~(offsetT) 0xffff) == 0) |
b300c311 L |
5741 | { |
5742 | /* If this operand is at most 16 bits, convert | |
5743 | to a signed 16 bit number and don't use 64bit | |
5744 | displacement. */ | |
91d6fa6a | 5745 | op_disp = (((op_disp & 0xffff) ^ 0x8000) - 0x8000); |
40fb9820 | 5746 | i.types[op].bitfield.disp64 = 0; |
b300c311 | 5747 | } |
91d6fa6a | 5748 | if (!op_disp && i.types[op].bitfield.baseindex) |
b300c311 | 5749 | { |
40fb9820 L |
5750 | i.types[op].bitfield.disp8 = 0; |
5751 | i.types[op].bitfield.disp16 = 0; | |
5752 | i.types[op].bitfield.disp32 = 0; | |
5753 | i.types[op].bitfield.disp32s = 0; | |
5754 | i.types[op].bitfield.disp64 = 0; | |
b300c311 L |
5755 | i.op[op].disps = 0; |
5756 | i.disp_operands--; | |
5757 | } | |
28a167a4 | 5758 | #ifdef BFD64 |
b300c311 L |
5759 | else if (flag_code == CODE_64BIT) |
5760 | { | |
a9aabc23 | 5761 | if (want_disp32 (current_templates->start) |
28a167a4 JB |
5762 | && fits_in_unsigned_long (op_disp)) |
5763 | i.types[op].bitfield.disp32 = 1; | |
5764 | ||
5765 | /* Optimize 64-bit displacement to 32-bit for 64-bit BFD. */ | |
5766 | if (i.types[op].bitfield.disp32 | |
5767 | && (op_disp & ~(((offsetT) 2 << 31) - 1)) == 0) | |
5768 | { | |
5769 | /* If this operand is at most 32 bits, convert | |
5770 | to a signed 32 bit number and don't use 64bit | |
5771 | displacement. */ | |
5772 | op_disp &= (((offsetT) 2 << 31) - 1); | |
5773 | op_disp = (op_disp ^ ((offsetT) 1 << 31)) - ((addressT) 1 << 31); | |
5774 | i.types[op].bitfield.disp64 = 0; | |
5775 | } | |
5776 | ||
91d6fa6a | 5777 | if (fits_in_signed_long (op_disp)) |
28a9d8f5 | 5778 | { |
40fb9820 L |
5779 | i.types[op].bitfield.disp64 = 0; |
5780 | i.types[op].bitfield.disp32s = 1; | |
28a9d8f5 | 5781 | } |
b300c311 | 5782 | } |
28a167a4 | 5783 | #endif |
40fb9820 L |
5784 | if ((i.types[op].bitfield.disp32 |
5785 | || i.types[op].bitfield.disp32s | |
5786 | || i.types[op].bitfield.disp16) | |
b5014f7a | 5787 | && fits_in_disp8 (op_disp)) |
40fb9820 | 5788 | i.types[op].bitfield.disp8 = 1; |
252b5132 | 5789 | } |
67a4f2b7 AO |
5790 | else if (i.reloc[op] == BFD_RELOC_386_TLS_DESC_CALL |
5791 | || i.reloc[op] == BFD_RELOC_X86_64_TLSDESC_CALL) | |
5792 | { | |
5793 | fix_new_exp (frag_now, frag_more (0) - frag_now->fr_literal, 0, | |
5794 | i.op[op].disps, 0, i.reloc[op]); | |
40fb9820 L |
5795 | i.types[op].bitfield.disp8 = 0; |
5796 | i.types[op].bitfield.disp16 = 0; | |
5797 | i.types[op].bitfield.disp32 = 0; | |
5798 | i.types[op].bitfield.disp32s = 0; | |
5799 | i.types[op].bitfield.disp64 = 0; | |
67a4f2b7 AO |
5800 | } |
5801 | else | |
b300c311 | 5802 | /* We only support 64bit displacement on constants. */ |
40fb9820 | 5803 | i.types[op].bitfield.disp64 = 0; |
252b5132 | 5804 | } |
29b0f896 AM |
5805 | } |
5806 | ||
4a1b91ea L |
5807 | /* Return 1 if there is a match in broadcast bytes between operand |
5808 | GIVEN and instruction template T. */ | |
5809 | ||
5810 | static INLINE int | |
5811 | match_broadcast_size (const insn_template *t, unsigned int given) | |
5812 | { | |
5813 | return ((t->opcode_modifier.broadcast == BYTE_BROADCAST | |
5814 | && i.types[given].bitfield.byte) | |
5815 | || (t->opcode_modifier.broadcast == WORD_BROADCAST | |
5816 | && i.types[given].bitfield.word) | |
5817 | || (t->opcode_modifier.broadcast == DWORD_BROADCAST | |
5818 | && i.types[given].bitfield.dword) | |
5819 | || (t->opcode_modifier.broadcast == QWORD_BROADCAST | |
5820 | && i.types[given].bitfield.qword)); | |
5821 | } | |
5822 | ||
6c30d220 L |
5823 | /* Check if operands are valid for the instruction. */ |
5824 | ||
5825 | static int | |
5826 | check_VecOperands (const insn_template *t) | |
5827 | { | |
43234a1e | 5828 | unsigned int op; |
e2195274 | 5829 | i386_cpu_flags cpu; |
e2195274 JB |
5830 | |
5831 | /* Templates allowing for ZMMword as well as YMMword and/or XMMword for | |
5832 | any one operand are implicity requiring AVX512VL support if the actual | |
5833 | operand size is YMMword or XMMword. Since this function runs after | |
5834 | template matching, there's no need to check for YMMword/XMMword in | |
5835 | the template. */ | |
5836 | cpu = cpu_flags_and (t->cpu_flags, avx512); | |
5837 | if (!cpu_flags_all_zero (&cpu) | |
5838 | && !t->cpu_flags.bitfield.cpuavx512vl | |
5839 | && !cpu_arch_flags.bitfield.cpuavx512vl) | |
5840 | { | |
5841 | for (op = 0; op < t->operands; ++op) | |
5842 | { | |
5843 | if (t->operand_types[op].bitfield.zmmword | |
5844 | && (i.types[op].bitfield.ymmword | |
5845 | || i.types[op].bitfield.xmmword)) | |
5846 | { | |
5847 | i.error = unsupported; | |
5848 | return 1; | |
5849 | } | |
5850 | } | |
5851 | } | |
43234a1e | 5852 | |
6c30d220 | 5853 | /* Without VSIB byte, we can't have a vector register for index. */ |
63112cd6 | 5854 | if (!t->opcode_modifier.sib |
6c30d220 | 5855 | && i.index_reg |
1b54b8d7 JB |
5856 | && (i.index_reg->reg_type.bitfield.xmmword |
5857 | || i.index_reg->reg_type.bitfield.ymmword | |
5858 | || i.index_reg->reg_type.bitfield.zmmword)) | |
6c30d220 L |
5859 | { |
5860 | i.error = unsupported_vector_index_register; | |
5861 | return 1; | |
5862 | } | |
5863 | ||
ad8ecc81 MZ |
5864 | /* Check if default mask is allowed. */ |
5865 | if (t->opcode_modifier.nodefmask | |
6225c532 | 5866 | && (!i.mask.reg || i.mask.reg->reg_num == 0)) |
ad8ecc81 MZ |
5867 | { |
5868 | i.error = no_default_mask; | |
5869 | return 1; | |
5870 | } | |
5871 | ||
7bab8ab5 JB |
5872 | /* For VSIB byte, we need a vector register for index, and all vector |
5873 | registers must be distinct. */ | |
260cd341 | 5874 | if (t->opcode_modifier.sib && t->opcode_modifier.sib != SIBMEM) |
7bab8ab5 JB |
5875 | { |
5876 | if (!i.index_reg | |
63112cd6 | 5877 | || !((t->opcode_modifier.sib == VECSIB128 |
1b54b8d7 | 5878 | && i.index_reg->reg_type.bitfield.xmmword) |
63112cd6 | 5879 | || (t->opcode_modifier.sib == VECSIB256 |
1b54b8d7 | 5880 | && i.index_reg->reg_type.bitfield.ymmword) |
63112cd6 | 5881 | || (t->opcode_modifier.sib == VECSIB512 |
1b54b8d7 | 5882 | && i.index_reg->reg_type.bitfield.zmmword))) |
7bab8ab5 JB |
5883 | { |
5884 | i.error = invalid_vsib_address; | |
5885 | return 1; | |
5886 | } | |
5887 | ||
6225c532 JB |
5888 | gas_assert (i.reg_operands == 2 || i.mask.reg); |
5889 | if (i.reg_operands == 2 && !i.mask.reg) | |
43234a1e | 5890 | { |
3528c362 | 5891 | gas_assert (i.types[0].bitfield.class == RegSIMD); |
1b54b8d7 JB |
5892 | gas_assert (i.types[0].bitfield.xmmword |
5893 | || i.types[0].bitfield.ymmword); | |
3528c362 | 5894 | gas_assert (i.types[2].bitfield.class == RegSIMD); |
1b54b8d7 JB |
5895 | gas_assert (i.types[2].bitfield.xmmword |
5896 | || i.types[2].bitfield.ymmword); | |
43234a1e L |
5897 | if (operand_check == check_none) |
5898 | return 0; | |
5899 | if (register_number (i.op[0].regs) | |
5900 | != register_number (i.index_reg) | |
5901 | && register_number (i.op[2].regs) | |
5902 | != register_number (i.index_reg) | |
5903 | && register_number (i.op[0].regs) | |
5904 | != register_number (i.op[2].regs)) | |
5905 | return 0; | |
5906 | if (operand_check == check_error) | |
5907 | { | |
5908 | i.error = invalid_vector_register_set; | |
5909 | return 1; | |
5910 | } | |
5911 | as_warn (_("mask, index, and destination registers should be distinct")); | |
5912 | } | |
6225c532 | 5913 | else if (i.reg_operands == 1 && i.mask.reg) |
8444f82a | 5914 | { |
3528c362 | 5915 | if (i.types[1].bitfield.class == RegSIMD |
1b54b8d7 JB |
5916 | && (i.types[1].bitfield.xmmword |
5917 | || i.types[1].bitfield.ymmword | |
5918 | || i.types[1].bitfield.zmmword) | |
8444f82a MZ |
5919 | && (register_number (i.op[1].regs) |
5920 | == register_number (i.index_reg))) | |
5921 | { | |
5922 | if (operand_check == check_error) | |
5923 | { | |
5924 | i.error = invalid_vector_register_set; | |
5925 | return 1; | |
5926 | } | |
5927 | if (operand_check != check_none) | |
5928 | as_warn (_("index and destination registers should be distinct")); | |
5929 | } | |
5930 | } | |
43234a1e | 5931 | } |
7bab8ab5 | 5932 | |
260cd341 LC |
5933 | /* For AMX instructions with three tmmword operands, all tmmword operand must be |
5934 | distinct */ | |
5935 | if (t->operand_types[0].bitfield.tmmword | |
5936 | && i.reg_operands == 3) | |
5937 | { | |
5938 | if (register_number (i.op[0].regs) | |
5939 | == register_number (i.op[1].regs) | |
5940 | || register_number (i.op[0].regs) | |
5941 | == register_number (i.op[2].regs) | |
5942 | || register_number (i.op[1].regs) | |
5943 | == register_number (i.op[2].regs)) | |
5944 | { | |
5945 | i.error = invalid_tmm_register_set; | |
5946 | return 1; | |
5947 | } | |
5948 | } | |
5949 | ||
43234a1e L |
5950 | /* Check if broadcast is supported by the instruction and is applied |
5951 | to the memory operand. */ | |
5273a3cd | 5952 | if (i.broadcast.type) |
43234a1e | 5953 | { |
8e6e0792 | 5954 | i386_operand_type type, overlap; |
43234a1e L |
5955 | |
5956 | /* Check if specified broadcast is supported in this instruction, | |
4a1b91ea | 5957 | and its broadcast bytes match the memory operand. */ |
5273a3cd | 5958 | op = i.broadcast.operand; |
8e6e0792 | 5959 | if (!t->opcode_modifier.broadcast |
c48dadc9 | 5960 | || !(i.flags[op] & Operand_Mem) |
c39e5b26 | 5961 | || (!i.types[op].bitfield.unspecified |
4a1b91ea | 5962 | && !match_broadcast_size (t, op))) |
43234a1e L |
5963 | { |
5964 | bad_broadcast: | |
5965 | i.error = unsupported_broadcast; | |
5966 | return 1; | |
5967 | } | |
8e6e0792 | 5968 | |
5273a3cd JB |
5969 | i.broadcast.bytes = ((1 << (t->opcode_modifier.broadcast - 1)) |
5970 | * i.broadcast.type); | |
8e6e0792 | 5971 | operand_type_set (&type, 0); |
5273a3cd | 5972 | switch (i.broadcast.bytes) |
8e6e0792 | 5973 | { |
4a1b91ea L |
5974 | case 2: |
5975 | type.bitfield.word = 1; | |
5976 | break; | |
5977 | case 4: | |
5978 | type.bitfield.dword = 1; | |
5979 | break; | |
8e6e0792 JB |
5980 | case 8: |
5981 | type.bitfield.qword = 1; | |
5982 | break; | |
5983 | case 16: | |
5984 | type.bitfield.xmmword = 1; | |
5985 | break; | |
5986 | case 32: | |
5987 | type.bitfield.ymmword = 1; | |
5988 | break; | |
5989 | case 64: | |
5990 | type.bitfield.zmmword = 1; | |
5991 | break; | |
5992 | default: | |
5993 | goto bad_broadcast; | |
5994 | } | |
5995 | ||
5996 | overlap = operand_type_and (type, t->operand_types[op]); | |
bc49bfd8 JB |
5997 | if (t->operand_types[op].bitfield.class == RegSIMD |
5998 | && t->operand_types[op].bitfield.byte | |
5999 | + t->operand_types[op].bitfield.word | |
6000 | + t->operand_types[op].bitfield.dword | |
6001 | + t->operand_types[op].bitfield.qword > 1) | |
6002 | { | |
6003 | overlap.bitfield.xmmword = 0; | |
6004 | overlap.bitfield.ymmword = 0; | |
6005 | overlap.bitfield.zmmword = 0; | |
6006 | } | |
8e6e0792 JB |
6007 | if (operand_type_all_zero (&overlap)) |
6008 | goto bad_broadcast; | |
6009 | ||
6010 | if (t->opcode_modifier.checkregsize) | |
6011 | { | |
6012 | unsigned int j; | |
6013 | ||
e2195274 | 6014 | type.bitfield.baseindex = 1; |
8e6e0792 JB |
6015 | for (j = 0; j < i.operands; ++j) |
6016 | { | |
6017 | if (j != op | |
6018 | && !operand_type_register_match(i.types[j], | |
6019 | t->operand_types[j], | |
6020 | type, | |
6021 | t->operand_types[op])) | |
6022 | goto bad_broadcast; | |
6023 | } | |
6024 | } | |
43234a1e L |
6025 | } |
6026 | /* If broadcast is supported in this instruction, we need to check if | |
6027 | operand of one-element size isn't specified without broadcast. */ | |
6028 | else if (t->opcode_modifier.broadcast && i.mem_operands) | |
6029 | { | |
6030 | /* Find memory operand. */ | |
6031 | for (op = 0; op < i.operands; op++) | |
8dc0818e | 6032 | if (i.flags[op] & Operand_Mem) |
43234a1e L |
6033 | break; |
6034 | gas_assert (op < i.operands); | |
6035 | /* Check size of the memory operand. */ | |
4a1b91ea | 6036 | if (match_broadcast_size (t, op)) |
43234a1e L |
6037 | { |
6038 | i.error = broadcast_needed; | |
6039 | return 1; | |
6040 | } | |
6041 | } | |
c39e5b26 JB |
6042 | else |
6043 | op = MAX_OPERANDS - 1; /* Avoid uninitialized variable warning. */ | |
43234a1e L |
6044 | |
6045 | /* Check if requested masking is supported. */ | |
6225c532 | 6046 | if (i.mask.reg) |
43234a1e | 6047 | { |
ae2387fe JB |
6048 | switch (t->opcode_modifier.masking) |
6049 | { | |
6050 | case BOTH_MASKING: | |
6051 | break; | |
6052 | case MERGING_MASKING: | |
6225c532 | 6053 | if (i.mask.zeroing) |
ae2387fe JB |
6054 | { |
6055 | case 0: | |
6056 | i.error = unsupported_masking; | |
6057 | return 1; | |
6058 | } | |
6059 | break; | |
6060 | case DYNAMIC_MASKING: | |
6061 | /* Memory destinations allow only merging masking. */ | |
6225c532 | 6062 | if (i.mask.zeroing && i.mem_operands) |
ae2387fe JB |
6063 | { |
6064 | /* Find memory operand. */ | |
6065 | for (op = 0; op < i.operands; op++) | |
c48dadc9 | 6066 | if (i.flags[op] & Operand_Mem) |
ae2387fe JB |
6067 | break; |
6068 | gas_assert (op < i.operands); | |
6069 | if (op == i.operands - 1) | |
6070 | { | |
6071 | i.error = unsupported_masking; | |
6072 | return 1; | |
6073 | } | |
6074 | } | |
6075 | break; | |
6076 | default: | |
6077 | abort (); | |
6078 | } | |
43234a1e L |
6079 | } |
6080 | ||
6081 | /* Check if masking is applied to dest operand. */ | |
6225c532 | 6082 | if (i.mask.reg && (i.mask.operand != i.operands - 1)) |
43234a1e L |
6083 | { |
6084 | i.error = mask_not_on_destination; | |
6085 | return 1; | |
6086 | } | |
6087 | ||
43234a1e | 6088 | /* Check RC/SAE. */ |
ca5312a2 | 6089 | if (i.rounding.type != rc_none) |
43234a1e | 6090 | { |
a80195f1 | 6091 | if (!t->opcode_modifier.sae |
ca5312a2 | 6092 | || (i.rounding.type != saeonly && !t->opcode_modifier.staticrounding)) |
43234a1e L |
6093 | { |
6094 | i.error = unsupported_rc_sae; | |
6095 | return 1; | |
6096 | } | |
6097 | /* If the instruction has several immediate operands and one of | |
6098 | them is rounding, the rounding operand should be the last | |
6099 | immediate operand. */ | |
6100 | if (i.imm_operands > 1 | |
ca5312a2 | 6101 | && i.rounding.operand != i.imm_operands - 1) |
7bab8ab5 | 6102 | { |
43234a1e | 6103 | i.error = rc_sae_operand_not_last_imm; |
7bab8ab5 JB |
6104 | return 1; |
6105 | } | |
6c30d220 L |
6106 | } |
6107 | ||
da4977e0 JB |
6108 | /* Check the special Imm4 cases; must be the first operand. */ |
6109 | if (t->cpu_flags.bitfield.cpuxop && t->operands == 5) | |
6110 | { | |
6111 | if (i.op[0].imms->X_op != O_constant | |
6112 | || !fits_in_imm4 (i.op[0].imms->X_add_number)) | |
6113 | { | |
6114 | i.error = bad_imm4; | |
6115 | return 1; | |
6116 | } | |
6117 | ||
6118 | /* Turn off Imm<N> so that update_imm won't complain. */ | |
6119 | operand_type_set (&i.types[0], 0); | |
6120 | } | |
6121 | ||
43234a1e | 6122 | /* Check vector Disp8 operand. */ |
b5014f7a JB |
6123 | if (t->opcode_modifier.disp8memshift |
6124 | && i.disp_encoding != disp_encoding_32bit) | |
43234a1e | 6125 | { |
5273a3cd | 6126 | if (i.broadcast.type) |
4a1b91ea | 6127 | i.memshift = t->opcode_modifier.broadcast - 1; |
7091c612 | 6128 | else if (t->opcode_modifier.disp8memshift != DISP8_SHIFT_VL) |
43234a1e | 6129 | i.memshift = t->opcode_modifier.disp8memshift; |
7091c612 JB |
6130 | else |
6131 | { | |
6132 | const i386_operand_type *type = NULL; | |
6133 | ||
6134 | i.memshift = 0; | |
6135 | for (op = 0; op < i.operands; op++) | |
8dc0818e | 6136 | if (i.flags[op] & Operand_Mem) |
7091c612 | 6137 | { |
4174bfff JB |
6138 | if (t->opcode_modifier.evex == EVEXLIG) |
6139 | i.memshift = 2 + (i.suffix == QWORD_MNEM_SUFFIX); | |
6140 | else if (t->operand_types[op].bitfield.xmmword | |
6141 | + t->operand_types[op].bitfield.ymmword | |
6142 | + t->operand_types[op].bitfield.zmmword <= 1) | |
7091c612 JB |
6143 | type = &t->operand_types[op]; |
6144 | else if (!i.types[op].bitfield.unspecified) | |
6145 | type = &i.types[op]; | |
6146 | } | |
3528c362 | 6147 | else if (i.types[op].bitfield.class == RegSIMD |
4174bfff | 6148 | && t->opcode_modifier.evex != EVEXLIG) |
7091c612 JB |
6149 | { |
6150 | if (i.types[op].bitfield.zmmword) | |
6151 | i.memshift = 6; | |
6152 | else if (i.types[op].bitfield.ymmword && i.memshift < 5) | |
6153 | i.memshift = 5; | |
6154 | else if (i.types[op].bitfield.xmmword && i.memshift < 4) | |
6155 | i.memshift = 4; | |
6156 | } | |
6157 | ||
6158 | if (type) | |
6159 | { | |
6160 | if (type->bitfield.zmmword) | |
6161 | i.memshift = 6; | |
6162 | else if (type->bitfield.ymmword) | |
6163 | i.memshift = 5; | |
6164 | else if (type->bitfield.xmmword) | |
6165 | i.memshift = 4; | |
6166 | } | |
6167 | ||
6168 | /* For the check in fits_in_disp8(). */ | |
6169 | if (i.memshift == 0) | |
6170 | i.memshift = -1; | |
6171 | } | |
43234a1e L |
6172 | |
6173 | for (op = 0; op < i.operands; op++) | |
6174 | if (operand_type_check (i.types[op], disp) | |
6175 | && i.op[op].disps->X_op == O_constant) | |
6176 | { | |
b5014f7a | 6177 | if (fits_in_disp8 (i.op[op].disps->X_add_number)) |
43234a1e | 6178 | { |
b5014f7a JB |
6179 | i.types[op].bitfield.disp8 = 1; |
6180 | return 0; | |
43234a1e | 6181 | } |
b5014f7a | 6182 | i.types[op].bitfield.disp8 = 0; |
43234a1e L |
6183 | } |
6184 | } | |
b5014f7a JB |
6185 | |
6186 | i.memshift = 0; | |
43234a1e | 6187 | |
6c30d220 L |
6188 | return 0; |
6189 | } | |
6190 | ||
da4977e0 | 6191 | /* Check if encoding requirements are met by the instruction. */ |
a683cc34 SP |
6192 | |
6193 | static int | |
da4977e0 | 6194 | VEX_check_encoding (const insn_template *t) |
a683cc34 | 6195 | { |
da4977e0 JB |
6196 | if (i.vec_encoding == vex_encoding_error) |
6197 | { | |
6198 | i.error = unsupported; | |
6199 | return 1; | |
6200 | } | |
6201 | ||
86fa6981 | 6202 | if (i.vec_encoding == vex_encoding_evex) |
43234a1e | 6203 | { |
86fa6981 | 6204 | /* This instruction must be encoded with EVEX prefix. */ |
e771e7c9 | 6205 | if (!is_evex_encoding (t)) |
86fa6981 L |
6206 | { |
6207 | i.error = unsupported; | |
6208 | return 1; | |
6209 | } | |
6210 | return 0; | |
43234a1e L |
6211 | } |
6212 | ||
a683cc34 | 6213 | if (!t->opcode_modifier.vex) |
86fa6981 L |
6214 | { |
6215 | /* This instruction template doesn't have VEX prefix. */ | |
6216 | if (i.vec_encoding != vex_encoding_default) | |
6217 | { | |
6218 | i.error = unsupported; | |
6219 | return 1; | |
6220 | } | |
6221 | return 0; | |
6222 | } | |
a683cc34 | 6223 | |
a683cc34 SP |
6224 | return 0; |
6225 | } | |
6226 | ||
d3ce72d0 | 6227 | static const insn_template * |
83b16ac6 | 6228 | match_template (char mnem_suffix) |
29b0f896 AM |
6229 | { |
6230 | /* Points to template once we've found it. */ | |
d3ce72d0 | 6231 | const insn_template *t; |
40fb9820 | 6232 | i386_operand_type overlap0, overlap1, overlap2, overlap3; |
c0f3af97 | 6233 | i386_operand_type overlap4; |
29b0f896 | 6234 | unsigned int found_reverse_match; |
dc2be329 | 6235 | i386_opcode_modifier suffix_check; |
40fb9820 | 6236 | i386_operand_type operand_types [MAX_OPERANDS]; |
539e75ad | 6237 | int addr_prefix_disp; |
45a4bb20 | 6238 | unsigned int j, size_match, check_register; |
5614d22c | 6239 | enum i386_error specific_error = 0; |
29b0f896 | 6240 | |
c0f3af97 L |
6241 | #if MAX_OPERANDS != 5 |
6242 | # error "MAX_OPERANDS must be 5." | |
f48ff2ae L |
6243 | #endif |
6244 | ||
29b0f896 | 6245 | found_reverse_match = 0; |
539e75ad | 6246 | addr_prefix_disp = -1; |
40fb9820 | 6247 | |
dc2be329 | 6248 | /* Prepare for mnemonic suffix check. */ |
40fb9820 | 6249 | memset (&suffix_check, 0, sizeof (suffix_check)); |
dc2be329 L |
6250 | switch (mnem_suffix) |
6251 | { | |
6252 | case BYTE_MNEM_SUFFIX: | |
6253 | suffix_check.no_bsuf = 1; | |
6254 | break; | |
6255 | case WORD_MNEM_SUFFIX: | |
6256 | suffix_check.no_wsuf = 1; | |
6257 | break; | |
6258 | case SHORT_MNEM_SUFFIX: | |
6259 | suffix_check.no_ssuf = 1; | |
6260 | break; | |
6261 | case LONG_MNEM_SUFFIX: | |
6262 | suffix_check.no_lsuf = 1; | |
6263 | break; | |
6264 | case QWORD_MNEM_SUFFIX: | |
6265 | suffix_check.no_qsuf = 1; | |
6266 | break; | |
6267 | default: | |
6268 | /* NB: In Intel syntax, normally we can check for memory operand | |
6269 | size when there is no mnemonic suffix. But jmp and call have | |
6270 | 2 different encodings with Dword memory operand size, one with | |
6271 | No_ldSuf and the other without. i.suffix is set to | |
6272 | LONG_DOUBLE_MNEM_SUFFIX to skip the one with No_ldSuf. */ | |
6273 | if (i.suffix == LONG_DOUBLE_MNEM_SUFFIX) | |
6274 | suffix_check.no_ldsuf = 1; | |
83b16ac6 JB |
6275 | } |
6276 | ||
01559ecc L |
6277 | /* Must have right number of operands. */ |
6278 | i.error = number_of_operands_mismatch; | |
6279 | ||
45aa61fe | 6280 | for (t = current_templates->start; t < current_templates->end; t++) |
29b0f896 | 6281 | { |
539e75ad | 6282 | addr_prefix_disp = -1; |
dbbc8b7e | 6283 | found_reverse_match = 0; |
539e75ad | 6284 | |
29b0f896 AM |
6285 | if (i.operands != t->operands) |
6286 | continue; | |
6287 | ||
50aecf8c | 6288 | /* Check processor support. */ |
a65babc9 | 6289 | i.error = unsupported; |
45a4bb20 | 6290 | if (cpu_flags_match (t) != CPU_FLAGS_PERFECT_MATCH) |
50aecf8c L |
6291 | continue; |
6292 | ||
57392598 CL |
6293 | /* Check Pseudo Prefix. */ |
6294 | i.error = unsupported; | |
6295 | if (t->opcode_modifier.pseudovexprefix | |
6296 | && !(i.vec_encoding == vex_encoding_vex | |
6297 | || i.vec_encoding == vex_encoding_vex3)) | |
6298 | continue; | |
6299 | ||
e1d4d893 | 6300 | /* Check AT&T mnemonic. */ |
a65babc9 | 6301 | i.error = unsupported_with_intel_mnemonic; |
e1d4d893 | 6302 | if (intel_mnemonic && t->opcode_modifier.attmnemonic) |
1efbbeb4 L |
6303 | continue; |
6304 | ||
4b5aaf5f | 6305 | /* Check AT&T/Intel syntax. */ |
a65babc9 | 6306 | i.error = unsupported_syntax; |
5c07affc | 6307 | if ((intel_syntax && t->opcode_modifier.attsyntax) |
4b5aaf5f | 6308 | || (!intel_syntax && t->opcode_modifier.intelsyntax)) |
1efbbeb4 L |
6309 | continue; |
6310 | ||
4b5aaf5f L |
6311 | /* Check Intel64/AMD64 ISA. */ |
6312 | switch (isa64) | |
6313 | { | |
6314 | default: | |
6315 | /* Default: Don't accept Intel64. */ | |
6316 | if (t->opcode_modifier.isa64 == INTEL64) | |
6317 | continue; | |
6318 | break; | |
6319 | case amd64: | |
6320 | /* -mamd64: Don't accept Intel64 and Intel64 only. */ | |
6321 | if (t->opcode_modifier.isa64 >= INTEL64) | |
6322 | continue; | |
6323 | break; | |
6324 | case intel64: | |
6325 | /* -mintel64: Don't accept AMD64. */ | |
5990e377 | 6326 | if (t->opcode_modifier.isa64 == AMD64 && flag_code == CODE_64BIT) |
4b5aaf5f L |
6327 | continue; |
6328 | break; | |
6329 | } | |
6330 | ||
dc2be329 | 6331 | /* Check the suffix. */ |
a65babc9 | 6332 | i.error = invalid_instruction_suffix; |
dc2be329 L |
6333 | if ((t->opcode_modifier.no_bsuf && suffix_check.no_bsuf) |
6334 | || (t->opcode_modifier.no_wsuf && suffix_check.no_wsuf) | |
6335 | || (t->opcode_modifier.no_lsuf && suffix_check.no_lsuf) | |
6336 | || (t->opcode_modifier.no_ssuf && suffix_check.no_ssuf) | |
6337 | || (t->opcode_modifier.no_qsuf && suffix_check.no_qsuf) | |
6338 | || (t->opcode_modifier.no_ldsuf && suffix_check.no_ldsuf)) | |
83b16ac6 | 6339 | continue; |
29b0f896 | 6340 | |
3ac21baa JB |
6341 | size_match = operand_size_match (t); |
6342 | if (!size_match) | |
7d5e4556 | 6343 | continue; |
539e75ad | 6344 | |
6f2f06be JB |
6345 | /* This is intentionally not |
6346 | ||
0cfa3eb3 | 6347 | if (i.jumpabsolute != (t->opcode_modifier.jump == JUMP_ABSOLUTE)) |
6f2f06be JB |
6348 | |
6349 | as the case of a missing * on the operand is accepted (perhaps with | |
6350 | a warning, issued further down). */ | |
0cfa3eb3 | 6351 | if (i.jumpabsolute && t->opcode_modifier.jump != JUMP_ABSOLUTE) |
6f2f06be JB |
6352 | { |
6353 | i.error = operand_type_mismatch; | |
6354 | continue; | |
6355 | } | |
6356 | ||
5c07affc L |
6357 | for (j = 0; j < MAX_OPERANDS; j++) |
6358 | operand_types[j] = t->operand_types[j]; | |
6359 | ||
e365e234 JB |
6360 | /* In general, don't allow |
6361 | - 64-bit operands outside of 64-bit mode, | |
6362 | - 32-bit operands on pre-386. */ | |
4873e243 | 6363 | j = i.imm_operands + (t->operands > i.imm_operands + 1); |
e365e234 JB |
6364 | if (((i.suffix == QWORD_MNEM_SUFFIX |
6365 | && flag_code != CODE_64BIT | |
389d00a5 JB |
6366 | && !(t->opcode_modifier.opcodespace == SPACE_0F |
6367 | && t->base_opcode == 0xc7 | |
5e74b495 | 6368 | && t->opcode_modifier.opcodeprefix == PREFIX_NONE |
8b65b895 | 6369 | && t->extension_opcode == 1) /* cmpxchg8b */) |
e365e234 JB |
6370 | || (i.suffix == LONG_MNEM_SUFFIX |
6371 | && !cpu_arch_flags.bitfield.cpui386)) | |
45aa61fe | 6372 | && (intel_syntax |
3cd7f3e3 | 6373 | ? (t->opcode_modifier.mnemonicsize != IGNORESIZE |
45aa61fe AM |
6374 | && !intel_float_operand (t->name)) |
6375 | : intel_float_operand (t->name) != 2) | |
4873e243 JB |
6376 | && (t->operands == i.imm_operands |
6377 | || (operand_types[i.imm_operands].bitfield.class != RegMMX | |
6378 | && operand_types[i.imm_operands].bitfield.class != RegSIMD | |
6379 | && operand_types[i.imm_operands].bitfield.class != RegMask) | |
6380 | || (operand_types[j].bitfield.class != RegMMX | |
6381 | && operand_types[j].bitfield.class != RegSIMD | |
6382 | && operand_types[j].bitfield.class != RegMask)) | |
63112cd6 | 6383 | && !t->opcode_modifier.sib) |
192dc9c6 JB |
6384 | continue; |
6385 | ||
29b0f896 | 6386 | /* Do not verify operands when there are none. */ |
e365e234 | 6387 | if (!t->operands) |
da4977e0 JB |
6388 | { |
6389 | if (VEX_check_encoding (t)) | |
6390 | { | |
6391 | specific_error = i.error; | |
6392 | continue; | |
6393 | } | |
6394 | ||
6395 | /* We've found a match; break out of loop. */ | |
6396 | break; | |
6397 | } | |
252b5132 | 6398 | |
48bcea9f JB |
6399 | if (!t->opcode_modifier.jump |
6400 | || t->opcode_modifier.jump == JUMP_ABSOLUTE) | |
6401 | { | |
6402 | /* There should be only one Disp operand. */ | |
6403 | for (j = 0; j < MAX_OPERANDS; j++) | |
6404 | if (operand_type_check (operand_types[j], disp)) | |
539e75ad | 6405 | break; |
48bcea9f JB |
6406 | if (j < MAX_OPERANDS) |
6407 | { | |
5b7c81bd | 6408 | bool override = (i.prefix[ADDR_PREFIX] != 0); |
48bcea9f JB |
6409 | |
6410 | addr_prefix_disp = j; | |
6411 | ||
6412 | /* Address size prefix will turn Disp64/Disp32S/Disp32/Disp16 | |
6413 | operand into Disp32/Disp32/Disp16/Disp32 operand. */ | |
6414 | switch (flag_code) | |
40fb9820 | 6415 | { |
48bcea9f JB |
6416 | case CODE_16BIT: |
6417 | override = !override; | |
6418 | /* Fall through. */ | |
6419 | case CODE_32BIT: | |
6420 | if (operand_types[j].bitfield.disp32 | |
6421 | && operand_types[j].bitfield.disp16) | |
40fb9820 | 6422 | { |
48bcea9f JB |
6423 | operand_types[j].bitfield.disp16 = override; |
6424 | operand_types[j].bitfield.disp32 = !override; | |
40fb9820 | 6425 | } |
48bcea9f JB |
6426 | operand_types[j].bitfield.disp32s = 0; |
6427 | operand_types[j].bitfield.disp64 = 0; | |
6428 | break; | |
6429 | ||
6430 | case CODE_64BIT: | |
6431 | if (operand_types[j].bitfield.disp32s | |
6432 | || operand_types[j].bitfield.disp64) | |
40fb9820 | 6433 | { |
48bcea9f JB |
6434 | operand_types[j].bitfield.disp64 &= !override; |
6435 | operand_types[j].bitfield.disp32s &= !override; | |
6436 | operand_types[j].bitfield.disp32 = override; | |
40fb9820 | 6437 | } |
48bcea9f JB |
6438 | operand_types[j].bitfield.disp16 = 0; |
6439 | break; | |
40fb9820 | 6440 | } |
539e75ad | 6441 | } |
48bcea9f | 6442 | } |
539e75ad | 6443 | |
02a86693 | 6444 | /* Force 0x8b encoding for "mov foo@GOT, %eax". */ |
35648716 JB |
6445 | if (i.reloc[0] == BFD_RELOC_386_GOT32 |
6446 | && t->base_opcode == 0xa0 | |
6447 | && t->opcode_modifier.opcodespace == SPACE_BASE) | |
02a86693 L |
6448 | continue; |
6449 | ||
56ffb741 | 6450 | /* We check register size if needed. */ |
e2195274 JB |
6451 | if (t->opcode_modifier.checkregsize) |
6452 | { | |
6453 | check_register = (1 << t->operands) - 1; | |
5273a3cd JB |
6454 | if (i.broadcast.type) |
6455 | check_register &= ~(1 << i.broadcast.operand); | |
e2195274 JB |
6456 | } |
6457 | else | |
6458 | check_register = 0; | |
6459 | ||
c6fb90c8 | 6460 | overlap0 = operand_type_and (i.types[0], operand_types[0]); |
29b0f896 AM |
6461 | switch (t->operands) |
6462 | { | |
6463 | case 1: | |
40fb9820 | 6464 | if (!operand_type_match (overlap0, i.types[0])) |
29b0f896 AM |
6465 | continue; |
6466 | break; | |
6467 | case 2: | |
33eaf5de | 6468 | /* xchg %eax, %eax is a special case. It is an alias for nop |
8b38ad71 L |
6469 | only in 32bit mode and we can use opcode 0x90. In 64bit |
6470 | mode, we can't use 0x90 for xchg %eax, %eax since it should | |
6471 | zero-extend %eax to %rax. */ | |
6472 | if (flag_code == CODE_64BIT | |
6473 | && t->base_opcode == 0x90 | |
35648716 | 6474 | && t->opcode_modifier.opcodespace == SPACE_BASE |
75e5731b JB |
6475 | && i.types[0].bitfield.instance == Accum |
6476 | && i.types[0].bitfield.dword | |
6477 | && i.types[1].bitfield.instance == Accum | |
6478 | && i.types[1].bitfield.dword) | |
8b38ad71 | 6479 | continue; |
1212781b JB |
6480 | /* xrelease mov %eax, <disp> is another special case. It must not |
6481 | match the accumulator-only encoding of mov. */ | |
6482 | if (flag_code != CODE_64BIT | |
6483 | && i.hle_prefix | |
6484 | && t->base_opcode == 0xa0 | |
35648716 | 6485 | && t->opcode_modifier.opcodespace == SPACE_BASE |
75e5731b | 6486 | && i.types[0].bitfield.instance == Accum |
8dc0818e | 6487 | && (i.flags[1] & Operand_Mem)) |
1212781b | 6488 | continue; |
f5eb1d70 JB |
6489 | /* Fall through. */ |
6490 | ||
6491 | case 3: | |
3ac21baa JB |
6492 | if (!(size_match & MATCH_STRAIGHT)) |
6493 | goto check_reverse; | |
64c49ab3 JB |
6494 | /* Reverse direction of operands if swapping is possible in the first |
6495 | place (operands need to be symmetric) and | |
6496 | - the load form is requested, and the template is a store form, | |
6497 | - the store form is requested, and the template is a load form, | |
6498 | - the non-default (swapped) form is requested. */ | |
6499 | overlap1 = operand_type_and (operand_types[0], operand_types[1]); | |
f5eb1d70 | 6500 | if (t->opcode_modifier.d && i.reg_operands == i.operands |
64c49ab3 JB |
6501 | && !operand_type_all_zero (&overlap1)) |
6502 | switch (i.dir_encoding) | |
6503 | { | |
6504 | case dir_encoding_load: | |
6505 | if (operand_type_check (operand_types[i.operands - 1], anymem) | |
dfd69174 | 6506 | || t->opcode_modifier.regmem) |
64c49ab3 JB |
6507 | goto check_reverse; |
6508 | break; | |
6509 | ||
6510 | case dir_encoding_store: | |
6511 | if (!operand_type_check (operand_types[i.operands - 1], anymem) | |
dfd69174 | 6512 | && !t->opcode_modifier.regmem) |
64c49ab3 JB |
6513 | goto check_reverse; |
6514 | break; | |
6515 | ||
6516 | case dir_encoding_swap: | |
6517 | goto check_reverse; | |
6518 | ||
6519 | case dir_encoding_default: | |
6520 | break; | |
6521 | } | |
86fa6981 | 6522 | /* If we want store form, we skip the current load. */ |
64c49ab3 JB |
6523 | if ((i.dir_encoding == dir_encoding_store |
6524 | || i.dir_encoding == dir_encoding_swap) | |
86fa6981 L |
6525 | && i.mem_operands == 0 |
6526 | && t->opcode_modifier.load) | |
fa99fab2 | 6527 | continue; |
1a0670f3 | 6528 | /* Fall through. */ |
f48ff2ae | 6529 | case 4: |
c0f3af97 | 6530 | case 5: |
c6fb90c8 | 6531 | overlap1 = operand_type_and (i.types[1], operand_types[1]); |
40fb9820 L |
6532 | if (!operand_type_match (overlap0, i.types[0]) |
6533 | || !operand_type_match (overlap1, i.types[1]) | |
e2195274 | 6534 | || ((check_register & 3) == 3 |
dc821c5f | 6535 | && !operand_type_register_match (i.types[0], |
40fb9820 | 6536 | operand_types[0], |
dc821c5f | 6537 | i.types[1], |
40fb9820 | 6538 | operand_types[1]))) |
29b0f896 AM |
6539 | { |
6540 | /* Check if other direction is valid ... */ | |
38e314eb | 6541 | if (!t->opcode_modifier.d) |
29b0f896 AM |
6542 | continue; |
6543 | ||
dc1e8a47 | 6544 | check_reverse: |
3ac21baa JB |
6545 | if (!(size_match & MATCH_REVERSE)) |
6546 | continue; | |
29b0f896 | 6547 | /* Try reversing direction of operands. */ |
f5eb1d70 JB |
6548 | overlap0 = operand_type_and (i.types[0], operand_types[i.operands - 1]); |
6549 | overlap1 = operand_type_and (i.types[i.operands - 1], operand_types[0]); | |
40fb9820 | 6550 | if (!operand_type_match (overlap0, i.types[0]) |
f5eb1d70 | 6551 | || !operand_type_match (overlap1, i.types[i.operands - 1]) |
45664ddb | 6552 | || (check_register |
dc821c5f | 6553 | && !operand_type_register_match (i.types[0], |
f5eb1d70 JB |
6554 | operand_types[i.operands - 1], |
6555 | i.types[i.operands - 1], | |
45664ddb | 6556 | operand_types[0]))) |
29b0f896 AM |
6557 | { |
6558 | /* Does not match either direction. */ | |
6559 | continue; | |
6560 | } | |
38e314eb | 6561 | /* found_reverse_match holds which of D or FloatR |
29b0f896 | 6562 | we've found. */ |
38e314eb JB |
6563 | if (!t->opcode_modifier.d) |
6564 | found_reverse_match = 0; | |
6565 | else if (operand_types[0].bitfield.tbyte) | |
8a2ed489 | 6566 | found_reverse_match = Opcode_FloatD; |
dbbc8b7e | 6567 | else if (operand_types[0].bitfield.xmmword |
f5eb1d70 | 6568 | || operand_types[i.operands - 1].bitfield.xmmword |
3528c362 JB |
6569 | || operand_types[0].bitfield.class == RegMMX |
6570 | || operand_types[i.operands - 1].bitfield.class == RegMMX | |
dbbc8b7e JB |
6571 | || is_any_vex_encoding(t)) |
6572 | found_reverse_match = (t->base_opcode & 0xee) != 0x6e | |
6573 | ? Opcode_SIMD_FloatD : Opcode_SIMD_IntD; | |
8a2ed489 | 6574 | else |
38e314eb | 6575 | found_reverse_match = Opcode_D; |
40fb9820 | 6576 | if (t->opcode_modifier.floatr) |
8a2ed489 | 6577 | found_reverse_match |= Opcode_FloatR; |
29b0f896 | 6578 | } |
f48ff2ae | 6579 | else |
29b0f896 | 6580 | { |
f48ff2ae | 6581 | /* Found a forward 2 operand match here. */ |
d1cbb4db L |
6582 | switch (t->operands) |
6583 | { | |
c0f3af97 L |
6584 | case 5: |
6585 | overlap4 = operand_type_and (i.types[4], | |
6586 | operand_types[4]); | |
1a0670f3 | 6587 | /* Fall through. */ |
d1cbb4db | 6588 | case 4: |
c6fb90c8 L |
6589 | overlap3 = operand_type_and (i.types[3], |
6590 | operand_types[3]); | |
1a0670f3 | 6591 | /* Fall through. */ |
d1cbb4db | 6592 | case 3: |
c6fb90c8 L |
6593 | overlap2 = operand_type_and (i.types[2], |
6594 | operand_types[2]); | |
d1cbb4db L |
6595 | break; |
6596 | } | |
29b0f896 | 6597 | |
f48ff2ae L |
6598 | switch (t->operands) |
6599 | { | |
c0f3af97 L |
6600 | case 5: |
6601 | if (!operand_type_match (overlap4, i.types[4]) | |
dc821c5f | 6602 | || !operand_type_register_match (i.types[3], |
c0f3af97 | 6603 | operand_types[3], |
c0f3af97 L |
6604 | i.types[4], |
6605 | operand_types[4])) | |
6606 | continue; | |
1a0670f3 | 6607 | /* Fall through. */ |
f48ff2ae | 6608 | case 4: |
40fb9820 | 6609 | if (!operand_type_match (overlap3, i.types[3]) |
e2195274 JB |
6610 | || ((check_register & 0xa) == 0xa |
6611 | && !operand_type_register_match (i.types[1], | |
f7768225 JB |
6612 | operand_types[1], |
6613 | i.types[3], | |
e2195274 JB |
6614 | operand_types[3])) |
6615 | || ((check_register & 0xc) == 0xc | |
6616 | && !operand_type_register_match (i.types[2], | |
6617 | operand_types[2], | |
6618 | i.types[3], | |
6619 | operand_types[3]))) | |
f48ff2ae | 6620 | continue; |
1a0670f3 | 6621 | /* Fall through. */ |
f48ff2ae L |
6622 | case 3: |
6623 | /* Here we make use of the fact that there are no | |
23e42951 | 6624 | reverse match 3 operand instructions. */ |
40fb9820 | 6625 | if (!operand_type_match (overlap2, i.types[2]) |
e2195274 JB |
6626 | || ((check_register & 5) == 5 |
6627 | && !operand_type_register_match (i.types[0], | |
23e42951 JB |
6628 | operand_types[0], |
6629 | i.types[2], | |
e2195274 JB |
6630 | operand_types[2])) |
6631 | || ((check_register & 6) == 6 | |
6632 | && !operand_type_register_match (i.types[1], | |
6633 | operand_types[1], | |
6634 | i.types[2], | |
6635 | operand_types[2]))) | |
f48ff2ae L |
6636 | continue; |
6637 | break; | |
6638 | } | |
29b0f896 | 6639 | } |
f48ff2ae | 6640 | /* Found either forward/reverse 2, 3 or 4 operand match here: |
29b0f896 AM |
6641 | slip through to break. */ |
6642 | } | |
c0f3af97 | 6643 | |
da4977e0 JB |
6644 | /* Check if vector operands are valid. */ |
6645 | if (check_VecOperands (t)) | |
6646 | { | |
6647 | specific_error = i.error; | |
6648 | continue; | |
6649 | } | |
6650 | ||
6651 | /* Check if VEX/EVEX encoding requirements can be satisfied. */ | |
6652 | if (VEX_check_encoding (t)) | |
5614d22c JB |
6653 | { |
6654 | specific_error = i.error; | |
6655 | continue; | |
6656 | } | |
a683cc34 | 6657 | |
29b0f896 AM |
6658 | /* We've found a match; break out of loop. */ |
6659 | break; | |
6660 | } | |
6661 | ||
6662 | if (t == current_templates->end) | |
6663 | { | |
6664 | /* We found no match. */ | |
a65babc9 | 6665 | const char *err_msg; |
5614d22c | 6666 | switch (specific_error ? specific_error : i.error) |
a65babc9 L |
6667 | { |
6668 | default: | |
6669 | abort (); | |
86e026a4 | 6670 | case operand_size_mismatch: |
a65babc9 L |
6671 | err_msg = _("operand size mismatch"); |
6672 | break; | |
6673 | case operand_type_mismatch: | |
6674 | err_msg = _("operand type mismatch"); | |
6675 | break; | |
6676 | case register_type_mismatch: | |
6677 | err_msg = _("register type mismatch"); | |
6678 | break; | |
6679 | case number_of_operands_mismatch: | |
6680 | err_msg = _("number of operands mismatch"); | |
6681 | break; | |
6682 | case invalid_instruction_suffix: | |
6683 | err_msg = _("invalid instruction suffix"); | |
6684 | break; | |
6685 | case bad_imm4: | |
4a2608e3 | 6686 | err_msg = _("constant doesn't fit in 4 bits"); |
a65babc9 | 6687 | break; |
a65babc9 L |
6688 | case unsupported_with_intel_mnemonic: |
6689 | err_msg = _("unsupported with Intel mnemonic"); | |
6690 | break; | |
6691 | case unsupported_syntax: | |
6692 | err_msg = _("unsupported syntax"); | |
6693 | break; | |
6694 | case unsupported: | |
35262a23 | 6695 | as_bad (_("unsupported instruction `%s'"), |
10efe3f6 L |
6696 | current_templates->start->name); |
6697 | return NULL; | |
260cd341 LC |
6698 | case invalid_sib_address: |
6699 | err_msg = _("invalid SIB address"); | |
6700 | break; | |
6c30d220 L |
6701 | case invalid_vsib_address: |
6702 | err_msg = _("invalid VSIB address"); | |
6703 | break; | |
7bab8ab5 JB |
6704 | case invalid_vector_register_set: |
6705 | err_msg = _("mask, index, and destination registers must be distinct"); | |
6706 | break; | |
260cd341 LC |
6707 | case invalid_tmm_register_set: |
6708 | err_msg = _("all tmm registers must be distinct"); | |
6709 | break; | |
6c30d220 L |
6710 | case unsupported_vector_index_register: |
6711 | err_msg = _("unsupported vector index register"); | |
6712 | break; | |
43234a1e L |
6713 | case unsupported_broadcast: |
6714 | err_msg = _("unsupported broadcast"); | |
6715 | break; | |
43234a1e L |
6716 | case broadcast_needed: |
6717 | err_msg = _("broadcast is needed for operand of such type"); | |
6718 | break; | |
6719 | case unsupported_masking: | |
6720 | err_msg = _("unsupported masking"); | |
6721 | break; | |
6722 | case mask_not_on_destination: | |
6723 | err_msg = _("mask not on destination operand"); | |
6724 | break; | |
6725 | case no_default_mask: | |
6726 | err_msg = _("default mask isn't allowed"); | |
6727 | break; | |
6728 | case unsupported_rc_sae: | |
6729 | err_msg = _("unsupported static rounding/sae"); | |
6730 | break; | |
6731 | case rc_sae_operand_not_last_imm: | |
6732 | if (intel_syntax) | |
6733 | err_msg = _("RC/SAE operand must precede immediate operands"); | |
6734 | else | |
6735 | err_msg = _("RC/SAE operand must follow immediate operands"); | |
6736 | break; | |
6737 | case invalid_register_operand: | |
6738 | err_msg = _("invalid register operand"); | |
6739 | break; | |
a65babc9 L |
6740 | } |
6741 | as_bad (_("%s for `%s'"), err_msg, | |
891edac4 | 6742 | current_templates->start->name); |
fa99fab2 | 6743 | return NULL; |
29b0f896 | 6744 | } |
252b5132 | 6745 | |
29b0f896 AM |
6746 | if (!quiet_warnings) |
6747 | { | |
6748 | if (!intel_syntax | |
0cfa3eb3 | 6749 | && (i.jumpabsolute != (t->opcode_modifier.jump == JUMP_ABSOLUTE))) |
6f2f06be | 6750 | as_warn (_("indirect %s without `*'"), t->name); |
29b0f896 | 6751 | |
40fb9820 | 6752 | if (t->opcode_modifier.isprefix |
3cd7f3e3 | 6753 | && t->opcode_modifier.mnemonicsize == IGNORESIZE) |
29b0f896 AM |
6754 | { |
6755 | /* Warn them that a data or address size prefix doesn't | |
6756 | affect assembly of the next line of code. */ | |
6757 | as_warn (_("stand-alone `%s' prefix"), t->name); | |
6758 | } | |
6759 | } | |
6760 | ||
6761 | /* Copy the template we found. */ | |
9a182d04 | 6762 | install_template (t); |
539e75ad L |
6763 | |
6764 | if (addr_prefix_disp != -1) | |
6765 | i.tm.operand_types[addr_prefix_disp] | |
6766 | = operand_types[addr_prefix_disp]; | |
6767 | ||
29b0f896 AM |
6768 | if (found_reverse_match) |
6769 | { | |
dfd69174 JB |
6770 | /* If we found a reverse match we must alter the opcode direction |
6771 | bit and clear/flip the regmem modifier one. found_reverse_match | |
6772 | holds bits to change (different for int & float insns). */ | |
29b0f896 AM |
6773 | |
6774 | i.tm.base_opcode ^= found_reverse_match; | |
6775 | ||
f5eb1d70 JB |
6776 | i.tm.operand_types[0] = operand_types[i.operands - 1]; |
6777 | i.tm.operand_types[i.operands - 1] = operand_types[0]; | |
dfd69174 JB |
6778 | |
6779 | /* Certain SIMD insns have their load forms specified in the opcode | |
6780 | table, and hence we need to _set_ RegMem instead of clearing it. | |
6781 | We need to avoid setting the bit though on insns like KMOVW. */ | |
6782 | i.tm.opcode_modifier.regmem | |
6783 | = i.tm.opcode_modifier.modrm && i.tm.opcode_modifier.d | |
6784 | && i.tm.operands > 2U - i.tm.opcode_modifier.sse2avx | |
6785 | && !i.tm.opcode_modifier.regmem; | |
29b0f896 AM |
6786 | } |
6787 | ||
fa99fab2 | 6788 | return t; |
29b0f896 AM |
6789 | } |
6790 | ||
6791 | static int | |
e3bb37b5 | 6792 | check_string (void) |
29b0f896 | 6793 | { |
51c8edf6 JB |
6794 | unsigned int es_op = i.tm.opcode_modifier.isstring - IS_STRING_ES_OP0; |
6795 | unsigned int op = i.tm.operand_types[0].bitfield.baseindex ? es_op : 0; | |
8dc0818e | 6796 | |
5e042380 | 6797 | if (i.seg[op] != NULL && i.seg[op] != reg_es) |
29b0f896 | 6798 | { |
51c8edf6 JB |
6799 | as_bad (_("`%s' operand %u must use `%ses' segment"), |
6800 | i.tm.name, | |
6801 | intel_syntax ? i.tm.operands - es_op : es_op + 1, | |
6802 | register_prefix); | |
6803 | return 0; | |
29b0f896 | 6804 | } |
51c8edf6 JB |
6805 | |
6806 | /* There's only ever one segment override allowed per instruction. | |
6807 | This instruction possibly has a legal segment override on the | |
6808 | second operand, so copy the segment to where non-string | |
6809 | instructions store it, allowing common code. */ | |
6810 | i.seg[op] = i.seg[1]; | |
6811 | ||
29b0f896 AM |
6812 | return 1; |
6813 | } | |
6814 | ||
6815 | static int | |
543613e9 | 6816 | process_suffix (void) |
29b0f896 | 6817 | { |
5b7c81bd | 6818 | bool is_crc32 = false, is_movx = false; |
8b65b895 | 6819 | |
29b0f896 AM |
6820 | /* If matched instruction specifies an explicit instruction mnemonic |
6821 | suffix, use it. */ | |
673fe0f0 | 6822 | if (i.tm.opcode_modifier.size == SIZE16) |
40fb9820 | 6823 | i.suffix = WORD_MNEM_SUFFIX; |
673fe0f0 | 6824 | else if (i.tm.opcode_modifier.size == SIZE32) |
40fb9820 | 6825 | i.suffix = LONG_MNEM_SUFFIX; |
673fe0f0 | 6826 | else if (i.tm.opcode_modifier.size == SIZE64) |
40fb9820 | 6827 | i.suffix = QWORD_MNEM_SUFFIX; |
13e600d0 | 6828 | else if (i.reg_operands |
c8f8eebc JB |
6829 | && (i.operands > 1 || i.types[0].bitfield.class == Reg) |
6830 | && !i.tm.opcode_modifier.addrprefixopreg) | |
29b0f896 | 6831 | { |
65fca059 | 6832 | unsigned int numop = i.operands; |
389d00a5 JB |
6833 | |
6834 | /* MOVSX/MOVZX */ | |
6835 | is_movx = (i.tm.opcode_modifier.opcodespace == SPACE_0F | |
6836 | && (i.tm.base_opcode | 8) == 0xbe) | |
6837 | || (i.tm.opcode_modifier.opcodespace == SPACE_BASE | |
6838 | && i.tm.base_opcode == 0x63 | |
6839 | && i.tm.cpu_flags.bitfield.cpu64); | |
6840 | ||
8b65b895 | 6841 | /* CRC32 */ |
389d00a5 JB |
6842 | is_crc32 = (i.tm.base_opcode == 0xf0 |
6843 | && i.tm.opcode_modifier.opcodespace == SPACE_0F38 | |
8b65b895 | 6844 | && i.tm.opcode_modifier.opcodeprefix == PREFIX_0XF2); |
65fca059 JB |
6845 | |
6846 | /* movsx/movzx want only their source operand considered here, for the | |
6847 | ambiguity checking below. The suffix will be replaced afterwards | |
6848 | to represent the destination (register). */ | |
389d00a5 | 6849 | if (is_movx && (i.tm.opcode_modifier.w || i.tm.base_opcode == 0x63)) |
65fca059 JB |
6850 | --i.operands; |
6851 | ||
643bb870 | 6852 | /* crc32 needs REX.W set regardless of suffix / source operand size. */ |
8b65b895 | 6853 | if (is_crc32 && i.tm.operand_types[1].bitfield.qword) |
643bb870 JB |
6854 | i.rex |= REX_W; |
6855 | ||
29b0f896 | 6856 | /* If there's no instruction mnemonic suffix we try to invent one |
13e600d0 | 6857 | based on GPR operands. */ |
29b0f896 AM |
6858 | if (!i.suffix) |
6859 | { | |
6860 | /* We take i.suffix from the last register operand specified, | |
6861 | Destination register type is more significant than source | |
381d071f L |
6862 | register type. crc32 in SSE4.2 prefers source register |
6863 | type. */ | |
8b65b895 | 6864 | unsigned int op = is_crc32 ? 1 : i.operands; |
20592a94 | 6865 | |
1a035124 JB |
6866 | while (op--) |
6867 | if (i.tm.operand_types[op].bitfield.instance == InstanceNone | |
6868 | || i.tm.operand_types[op].bitfield.instance == Accum) | |
6869 | { | |
6870 | if (i.types[op].bitfield.class != Reg) | |
6871 | continue; | |
6872 | if (i.types[op].bitfield.byte) | |
6873 | i.suffix = BYTE_MNEM_SUFFIX; | |
6874 | else if (i.types[op].bitfield.word) | |
6875 | i.suffix = WORD_MNEM_SUFFIX; | |
6876 | else if (i.types[op].bitfield.dword) | |
6877 | i.suffix = LONG_MNEM_SUFFIX; | |
6878 | else if (i.types[op].bitfield.qword) | |
6879 | i.suffix = QWORD_MNEM_SUFFIX; | |
6880 | else | |
6881 | continue; | |
6882 | break; | |
6883 | } | |
65fca059 JB |
6884 | |
6885 | /* As an exception, movsx/movzx silently default to a byte source | |
6886 | in AT&T mode. */ | |
389d00a5 | 6887 | if (is_movx && i.tm.opcode_modifier.w && !i.suffix && !intel_syntax) |
65fca059 | 6888 | i.suffix = BYTE_MNEM_SUFFIX; |
29b0f896 AM |
6889 | } |
6890 | else if (i.suffix == BYTE_MNEM_SUFFIX) | |
6891 | { | |
2eb952a4 | 6892 | if (intel_syntax |
3cd7f3e3 | 6893 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
2eb952a4 L |
6894 | && i.tm.opcode_modifier.no_bsuf) |
6895 | i.suffix = 0; | |
6896 | else if (!check_byte_reg ()) | |
29b0f896 AM |
6897 | return 0; |
6898 | } | |
6899 | else if (i.suffix == LONG_MNEM_SUFFIX) | |
6900 | { | |
2eb952a4 | 6901 | if (intel_syntax |
3cd7f3e3 | 6902 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
9f123b91 JB |
6903 | && i.tm.opcode_modifier.no_lsuf |
6904 | && !i.tm.opcode_modifier.todword | |
6905 | && !i.tm.opcode_modifier.toqword) | |
2eb952a4 L |
6906 | i.suffix = 0; |
6907 | else if (!check_long_reg ()) | |
29b0f896 AM |
6908 | return 0; |
6909 | } | |
6910 | else if (i.suffix == QWORD_MNEM_SUFFIX) | |
6911 | { | |
955e1e6a | 6912 | if (intel_syntax |
3cd7f3e3 | 6913 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
9f123b91 JB |
6914 | && i.tm.opcode_modifier.no_qsuf |
6915 | && !i.tm.opcode_modifier.todword | |
6916 | && !i.tm.opcode_modifier.toqword) | |
955e1e6a L |
6917 | i.suffix = 0; |
6918 | else if (!check_qword_reg ()) | |
29b0f896 AM |
6919 | return 0; |
6920 | } | |
6921 | else if (i.suffix == WORD_MNEM_SUFFIX) | |
6922 | { | |
2eb952a4 | 6923 | if (intel_syntax |
3cd7f3e3 | 6924 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
2eb952a4 L |
6925 | && i.tm.opcode_modifier.no_wsuf) |
6926 | i.suffix = 0; | |
6927 | else if (!check_word_reg ()) | |
29b0f896 AM |
6928 | return 0; |
6929 | } | |
3cd7f3e3 L |
6930 | else if (intel_syntax |
6931 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE) | |
29b0f896 AM |
6932 | /* Do nothing if the instruction is going to ignore the prefix. */ |
6933 | ; | |
6934 | else | |
6935 | abort (); | |
65fca059 JB |
6936 | |
6937 | /* Undo the movsx/movzx change done above. */ | |
6938 | i.operands = numop; | |
29b0f896 | 6939 | } |
3cd7f3e3 L |
6940 | else if (i.tm.opcode_modifier.mnemonicsize == DEFAULTSIZE |
6941 | && !i.suffix) | |
29b0f896 | 6942 | { |
13e600d0 JB |
6943 | i.suffix = stackop_size; |
6944 | if (stackop_size == LONG_MNEM_SUFFIX) | |
06f74c5c L |
6945 | { |
6946 | /* stackop_size is set to LONG_MNEM_SUFFIX for the | |
6947 | .code16gcc directive to support 16-bit mode with | |
6948 | 32-bit address. For IRET without a suffix, generate | |
6949 | 16-bit IRET (opcode 0xcf) to return from an interrupt | |
6950 | handler. */ | |
13e600d0 JB |
6951 | if (i.tm.base_opcode == 0xcf) |
6952 | { | |
6953 | i.suffix = WORD_MNEM_SUFFIX; | |
6954 | as_warn (_("generating 16-bit `iret' for .code16gcc directive")); | |
6955 | } | |
6956 | /* Warn about changed behavior for segment register push/pop. */ | |
6957 | else if ((i.tm.base_opcode | 1) == 0x07) | |
6958 | as_warn (_("generating 32-bit `%s', unlike earlier gas versions"), | |
6959 | i.tm.name); | |
06f74c5c | 6960 | } |
29b0f896 | 6961 | } |
c006a730 | 6962 | else if (!i.suffix |
0cfa3eb3 JB |
6963 | && (i.tm.opcode_modifier.jump == JUMP_ABSOLUTE |
6964 | || i.tm.opcode_modifier.jump == JUMP_BYTE | |
6965 | || i.tm.opcode_modifier.jump == JUMP_INTERSEGMENT | |
389d00a5 JB |
6966 | || (i.tm.opcode_modifier.opcodespace == SPACE_0F |
6967 | && i.tm.base_opcode == 0x01 /* [ls][gi]dt */ | |
64e74474 | 6968 | && i.tm.extension_opcode <= 3))) |
9306ca4a JB |
6969 | { |
6970 | switch (flag_code) | |
6971 | { | |
6972 | case CODE_64BIT: | |
40fb9820 | 6973 | if (!i.tm.opcode_modifier.no_qsuf) |
9306ca4a | 6974 | { |
828c2a25 JB |
6975 | if (i.tm.opcode_modifier.jump == JUMP_BYTE |
6976 | || i.tm.opcode_modifier.no_lsuf) | |
6977 | i.suffix = QWORD_MNEM_SUFFIX; | |
9306ca4a JB |
6978 | break; |
6979 | } | |
1a0670f3 | 6980 | /* Fall through. */ |
9306ca4a | 6981 | case CODE_32BIT: |
40fb9820 | 6982 | if (!i.tm.opcode_modifier.no_lsuf) |
9306ca4a JB |
6983 | i.suffix = LONG_MNEM_SUFFIX; |
6984 | break; | |
6985 | case CODE_16BIT: | |
40fb9820 | 6986 | if (!i.tm.opcode_modifier.no_wsuf) |
9306ca4a JB |
6987 | i.suffix = WORD_MNEM_SUFFIX; |
6988 | break; | |
6989 | } | |
6990 | } | |
252b5132 | 6991 | |
c006a730 | 6992 | if (!i.suffix |
3cd7f3e3 | 6993 | && (i.tm.opcode_modifier.mnemonicsize != DEFAULTSIZE |
873494c8 JB |
6994 | /* Also cover lret/retf/iret in 64-bit mode. */ |
6995 | || (flag_code == CODE_64BIT | |
6996 | && !i.tm.opcode_modifier.no_lsuf | |
6997 | && !i.tm.opcode_modifier.no_qsuf)) | |
3cd7f3e3 | 6998 | && i.tm.opcode_modifier.mnemonicsize != IGNORESIZE |
8bbb3ad8 JB |
6999 | /* Explicit sizing prefixes are assumed to disambiguate insns. */ |
7000 | && !i.prefix[DATA_PREFIX] && !(i.prefix[REX_PREFIX] & REX_W) | |
62b3f548 JB |
7001 | /* Accept FLDENV et al without suffix. */ |
7002 | && (i.tm.opcode_modifier.no_ssuf || i.tm.opcode_modifier.floatmf)) | |
29b0f896 | 7003 | { |
6c0946d0 | 7004 | unsigned int suffixes, evex = 0; |
c006a730 JB |
7005 | |
7006 | suffixes = !i.tm.opcode_modifier.no_bsuf; | |
7007 | if (!i.tm.opcode_modifier.no_wsuf) | |
7008 | suffixes |= 1 << 1; | |
7009 | if (!i.tm.opcode_modifier.no_lsuf) | |
7010 | suffixes |= 1 << 2; | |
7011 | if (!i.tm.opcode_modifier.no_ldsuf) | |
7012 | suffixes |= 1 << 3; | |
7013 | if (!i.tm.opcode_modifier.no_ssuf) | |
7014 | suffixes |= 1 << 4; | |
7015 | if (flag_code == CODE_64BIT && !i.tm.opcode_modifier.no_qsuf) | |
7016 | suffixes |= 1 << 5; | |
7017 | ||
6c0946d0 JB |
7018 | /* For [XYZ]MMWORD operands inspect operand sizes. While generally |
7019 | also suitable for AT&T syntax mode, it was requested that this be | |
7020 | restricted to just Intel syntax. */ | |
5273a3cd | 7021 | if (intel_syntax && is_any_vex_encoding (&i.tm) && !i.broadcast.type) |
6c0946d0 | 7022 | { |
b9915cbc | 7023 | unsigned int op; |
6c0946d0 | 7024 | |
b9915cbc | 7025 | for (op = 0; op < i.tm.operands; ++op) |
6c0946d0 | 7026 | { |
b9915cbc JB |
7027 | if (is_evex_encoding (&i.tm) |
7028 | && !cpu_arch_flags.bitfield.cpuavx512vl) | |
6c0946d0 | 7029 | { |
b9915cbc JB |
7030 | if (i.tm.operand_types[op].bitfield.ymmword) |
7031 | i.tm.operand_types[op].bitfield.xmmword = 0; | |
7032 | if (i.tm.operand_types[op].bitfield.zmmword) | |
7033 | i.tm.operand_types[op].bitfield.ymmword = 0; | |
7034 | if (!i.tm.opcode_modifier.evex | |
7035 | || i.tm.opcode_modifier.evex == EVEXDYN) | |
7036 | i.tm.opcode_modifier.evex = EVEX512; | |
7037 | } | |
6c0946d0 | 7038 | |
b9915cbc JB |
7039 | if (i.tm.operand_types[op].bitfield.xmmword |
7040 | + i.tm.operand_types[op].bitfield.ymmword | |
7041 | + i.tm.operand_types[op].bitfield.zmmword < 2) | |
7042 | continue; | |
6c0946d0 | 7043 | |
b9915cbc JB |
7044 | /* Any properly sized operand disambiguates the insn. */ |
7045 | if (i.types[op].bitfield.xmmword | |
7046 | || i.types[op].bitfield.ymmword | |
7047 | || i.types[op].bitfield.zmmword) | |
7048 | { | |
7049 | suffixes &= ~(7 << 6); | |
7050 | evex = 0; | |
7051 | break; | |
7052 | } | |
6c0946d0 | 7053 | |
b9915cbc JB |
7054 | if ((i.flags[op] & Operand_Mem) |
7055 | && i.tm.operand_types[op].bitfield.unspecified) | |
7056 | { | |
7057 | if (i.tm.operand_types[op].bitfield.xmmword) | |
7058 | suffixes |= 1 << 6; | |
7059 | if (i.tm.operand_types[op].bitfield.ymmword) | |
7060 | suffixes |= 1 << 7; | |
7061 | if (i.tm.operand_types[op].bitfield.zmmword) | |
7062 | suffixes |= 1 << 8; | |
7063 | if (is_evex_encoding (&i.tm)) | |
7064 | evex = EVEX512; | |
6c0946d0 JB |
7065 | } |
7066 | } | |
7067 | } | |
7068 | ||
7069 | /* Are multiple suffixes / operand sizes allowed? */ | |
c006a730 | 7070 | if (suffixes & (suffixes - 1)) |
9306ca4a | 7071 | { |
873494c8 | 7072 | if (intel_syntax |
3cd7f3e3 | 7073 | && (i.tm.opcode_modifier.mnemonicsize != DEFAULTSIZE |
873494c8 | 7074 | || operand_check == check_error)) |
9306ca4a | 7075 | { |
c006a730 | 7076 | as_bad (_("ambiguous operand size for `%s'"), i.tm.name); |
9306ca4a JB |
7077 | return 0; |
7078 | } | |
c006a730 | 7079 | if (operand_check == check_error) |
9306ca4a | 7080 | { |
c006a730 JB |
7081 | as_bad (_("no instruction mnemonic suffix given and " |
7082 | "no register operands; can't size `%s'"), i.tm.name); | |
9306ca4a JB |
7083 | return 0; |
7084 | } | |
c006a730 | 7085 | if (operand_check == check_warning) |
873494c8 JB |
7086 | as_warn (_("%s; using default for `%s'"), |
7087 | intel_syntax | |
7088 | ? _("ambiguous operand size") | |
7089 | : _("no instruction mnemonic suffix given and " | |
7090 | "no register operands"), | |
7091 | i.tm.name); | |
c006a730 JB |
7092 | |
7093 | if (i.tm.opcode_modifier.floatmf) | |
7094 | i.suffix = SHORT_MNEM_SUFFIX; | |
389d00a5 | 7095 | else if (is_movx) |
65fca059 | 7096 | /* handled below */; |
6c0946d0 JB |
7097 | else if (evex) |
7098 | i.tm.opcode_modifier.evex = evex; | |
c006a730 JB |
7099 | else if (flag_code == CODE_16BIT) |
7100 | i.suffix = WORD_MNEM_SUFFIX; | |
1a035124 | 7101 | else if (!i.tm.opcode_modifier.no_lsuf) |
c006a730 | 7102 | i.suffix = LONG_MNEM_SUFFIX; |
1a035124 JB |
7103 | else |
7104 | i.suffix = QWORD_MNEM_SUFFIX; | |
9306ca4a | 7105 | } |
29b0f896 | 7106 | } |
252b5132 | 7107 | |
389d00a5 | 7108 | if (is_movx) |
65fca059 JB |
7109 | { |
7110 | /* In Intel syntax, movsx/movzx must have a "suffix" (checked above). | |
7111 | In AT&T syntax, if there is no suffix (warned about above), the default | |
7112 | will be byte extension. */ | |
7113 | if (i.tm.opcode_modifier.w && i.suffix && i.suffix != BYTE_MNEM_SUFFIX) | |
7114 | i.tm.base_opcode |= 1; | |
7115 | ||
7116 | /* For further processing, the suffix should represent the destination | |
7117 | (register). This is already the case when one was used with | |
7118 | mov[sz][bw]*, but we need to replace it for mov[sz]x, or if there was | |
7119 | no suffix to begin with. */ | |
7120 | if (i.tm.opcode_modifier.w || i.tm.base_opcode == 0x63 || !i.suffix) | |
7121 | { | |
7122 | if (i.types[1].bitfield.word) | |
7123 | i.suffix = WORD_MNEM_SUFFIX; | |
7124 | else if (i.types[1].bitfield.qword) | |
7125 | i.suffix = QWORD_MNEM_SUFFIX; | |
7126 | else | |
7127 | i.suffix = LONG_MNEM_SUFFIX; | |
7128 | ||
7129 | i.tm.opcode_modifier.w = 0; | |
7130 | } | |
7131 | } | |
7132 | ||
50128d0c JB |
7133 | if (!i.tm.opcode_modifier.modrm && i.reg_operands && i.tm.operands < 3) |
7134 | i.short_form = (i.tm.operand_types[0].bitfield.class == Reg) | |
7135 | != (i.tm.operand_types[1].bitfield.class == Reg); | |
7136 | ||
d2224064 JB |
7137 | /* Change the opcode based on the operand size given by i.suffix. */ |
7138 | switch (i.suffix) | |
29b0f896 | 7139 | { |
d2224064 JB |
7140 | /* Size floating point instruction. */ |
7141 | case LONG_MNEM_SUFFIX: | |
7142 | if (i.tm.opcode_modifier.floatmf) | |
7143 | { | |
7144 | i.tm.base_opcode ^= 4; | |
7145 | break; | |
7146 | } | |
7147 | /* fall through */ | |
7148 | case WORD_MNEM_SUFFIX: | |
7149 | case QWORD_MNEM_SUFFIX: | |
29b0f896 | 7150 | /* It's not a byte, select word/dword operation. */ |
40fb9820 | 7151 | if (i.tm.opcode_modifier.w) |
29b0f896 | 7152 | { |
50128d0c | 7153 | if (i.short_form) |
29b0f896 AM |
7154 | i.tm.base_opcode |= 8; |
7155 | else | |
7156 | i.tm.base_opcode |= 1; | |
7157 | } | |
d2224064 JB |
7158 | /* fall through */ |
7159 | case SHORT_MNEM_SUFFIX: | |
29b0f896 AM |
7160 | /* Now select between word & dword operations via the operand |
7161 | size prefix, except for instructions that will ignore this | |
7162 | prefix anyway. */ | |
c8f8eebc | 7163 | if (i.suffix != QWORD_MNEM_SUFFIX |
3cd7f3e3 | 7164 | && i.tm.opcode_modifier.mnemonicsize != IGNORESIZE |
c8f8eebc JB |
7165 | && !i.tm.opcode_modifier.floatmf |
7166 | && !is_any_vex_encoding (&i.tm) | |
7167 | && ((i.suffix == LONG_MNEM_SUFFIX) == (flag_code == CODE_16BIT) | |
7168 | || (flag_code == CODE_64BIT | |
7169 | && i.tm.opcode_modifier.jump == JUMP_BYTE))) | |
24eab124 AM |
7170 | { |
7171 | unsigned int prefix = DATA_PREFIX_OPCODE; | |
543613e9 | 7172 | |
0cfa3eb3 | 7173 | if (i.tm.opcode_modifier.jump == JUMP_BYTE) /* jcxz, loop */ |
29b0f896 | 7174 | prefix = ADDR_PREFIX_OPCODE; |
252b5132 | 7175 | |
29b0f896 AM |
7176 | if (!add_prefix (prefix)) |
7177 | return 0; | |
24eab124 | 7178 | } |
252b5132 | 7179 | |
29b0f896 AM |
7180 | /* Set mode64 for an operand. */ |
7181 | if (i.suffix == QWORD_MNEM_SUFFIX | |
9146926a | 7182 | && flag_code == CODE_64BIT |
d2224064 | 7183 | && !i.tm.opcode_modifier.norex64 |
4ed21b58 | 7184 | && !i.tm.opcode_modifier.vexw |
46e883c5 | 7185 | /* Special case for xchg %rax,%rax. It is NOP and doesn't |
d2224064 JB |
7186 | need rex64. */ |
7187 | && ! (i.operands == 2 | |
7188 | && i.tm.base_opcode == 0x90 | |
7189 | && i.tm.extension_opcode == None | |
75e5731b JB |
7190 | && i.types[0].bitfield.instance == Accum |
7191 | && i.types[0].bitfield.qword | |
7192 | && i.types[1].bitfield.instance == Accum | |
7193 | && i.types[1].bitfield.qword)) | |
d2224064 | 7194 | i.rex |= REX_W; |
3e73aa7c | 7195 | |
d2224064 | 7196 | break; |
8bbb3ad8 JB |
7197 | |
7198 | case 0: | |
f9a6a8f0 | 7199 | /* Select word/dword/qword operation with explicit data sizing prefix |
8bbb3ad8 JB |
7200 | when there are no suitable register operands. */ |
7201 | if (i.tm.opcode_modifier.w | |
7202 | && (i.prefix[DATA_PREFIX] || (i.prefix[REX_PREFIX] & REX_W)) | |
7203 | && (!i.reg_operands | |
7204 | || (i.reg_operands == 1 | |
7205 | /* ShiftCount */ | |
7206 | && (i.tm.operand_types[0].bitfield.instance == RegC | |
7207 | /* InOutPortReg */ | |
7208 | || i.tm.operand_types[0].bitfield.instance == RegD | |
7209 | || i.tm.operand_types[1].bitfield.instance == RegD | |
7210 | /* CRC32 */ | |
8b65b895 | 7211 | || is_crc32)))) |
8bbb3ad8 JB |
7212 | i.tm.base_opcode |= 1; |
7213 | break; | |
29b0f896 | 7214 | } |
7ecd2f8b | 7215 | |
c8f8eebc | 7216 | if (i.tm.opcode_modifier.addrprefixopreg) |
c0a30a9f | 7217 | { |
c8f8eebc JB |
7218 | gas_assert (!i.suffix); |
7219 | gas_assert (i.reg_operands); | |
c0a30a9f | 7220 | |
c8f8eebc JB |
7221 | if (i.tm.operand_types[0].bitfield.instance == Accum |
7222 | || i.operands == 1) | |
7223 | { | |
7224 | /* The address size override prefix changes the size of the | |
7225 | first operand. */ | |
7226 | if (flag_code == CODE_64BIT | |
7227 | && i.op[0].regs->reg_type.bitfield.word) | |
7228 | { | |
7229 | as_bad (_("16-bit addressing unavailable for `%s'"), | |
7230 | i.tm.name); | |
7231 | return 0; | |
7232 | } | |
7233 | ||
7234 | if ((flag_code == CODE_32BIT | |
7235 | ? i.op[0].regs->reg_type.bitfield.word | |
7236 | : i.op[0].regs->reg_type.bitfield.dword) | |
7237 | && !add_prefix (ADDR_PREFIX_OPCODE)) | |
7238 | return 0; | |
7239 | } | |
c0a30a9f L |
7240 | else |
7241 | { | |
c8f8eebc JB |
7242 | /* Check invalid register operand when the address size override |
7243 | prefix changes the size of register operands. */ | |
7244 | unsigned int op; | |
7245 | enum { need_word, need_dword, need_qword } need; | |
7246 | ||
27f13469 | 7247 | /* Check the register operand for the address size prefix if |
b3a3496f | 7248 | the memory operand has no real registers, like symbol, DISP |
829f3fe1 | 7249 | or bogus (x32-only) symbol(%rip) when symbol(%eip) is meant. */ |
27f13469 L |
7250 | if (i.mem_operands == 1 |
7251 | && i.reg_operands == 1 | |
7252 | && i.operands == 2 | |
27f13469 | 7253 | && i.types[1].bitfield.class == Reg |
b3a3496f L |
7254 | && (flag_code == CODE_32BIT |
7255 | ? i.op[1].regs->reg_type.bitfield.word | |
7256 | : i.op[1].regs->reg_type.bitfield.dword) | |
7257 | && ((i.base_reg == NULL && i.index_reg == NULL) | |
829f3fe1 JB |
7258 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) |
7259 | || (x86_elf_abi == X86_64_X32_ABI | |
7260 | && i.base_reg | |
b3a3496f L |
7261 | && i.base_reg->reg_num == RegIP |
7262 | && i.base_reg->reg_type.bitfield.qword)) | |
829f3fe1 JB |
7263 | #else |
7264 | || 0) | |
7265 | #endif | |
27f13469 L |
7266 | && !add_prefix (ADDR_PREFIX_OPCODE)) |
7267 | return 0; | |
7268 | ||
c8f8eebc JB |
7269 | if (flag_code == CODE_32BIT) |
7270 | need = i.prefix[ADDR_PREFIX] ? need_word : need_dword; | |
7271 | else if (i.prefix[ADDR_PREFIX]) | |
c0a30a9f L |
7272 | need = need_dword; |
7273 | else | |
7274 | need = flag_code == CODE_64BIT ? need_qword : need_word; | |
c0a30a9f | 7275 | |
c8f8eebc JB |
7276 | for (op = 0; op < i.operands; op++) |
7277 | { | |
7278 | if (i.types[op].bitfield.class != Reg) | |
7279 | continue; | |
7280 | ||
7281 | switch (need) | |
7282 | { | |
7283 | case need_word: | |
7284 | if (i.op[op].regs->reg_type.bitfield.word) | |
7285 | continue; | |
7286 | break; | |
7287 | case need_dword: | |
7288 | if (i.op[op].regs->reg_type.bitfield.dword) | |
7289 | continue; | |
7290 | break; | |
7291 | case need_qword: | |
7292 | if (i.op[op].regs->reg_type.bitfield.qword) | |
7293 | continue; | |
7294 | break; | |
7295 | } | |
7296 | ||
7297 | as_bad (_("invalid register operand size for `%s'"), | |
7298 | i.tm.name); | |
7299 | return 0; | |
7300 | } | |
7301 | } | |
c0a30a9f L |
7302 | } |
7303 | ||
29b0f896 AM |
7304 | return 1; |
7305 | } | |
3e73aa7c | 7306 | |
29b0f896 | 7307 | static int |
543613e9 | 7308 | check_byte_reg (void) |
29b0f896 AM |
7309 | { |
7310 | int op; | |
543613e9 | 7311 | |
29b0f896 AM |
7312 | for (op = i.operands; --op >= 0;) |
7313 | { | |
dc821c5f | 7314 | /* Skip non-register operands. */ |
bab6aec1 | 7315 | if (i.types[op].bitfield.class != Reg) |
dc821c5f JB |
7316 | continue; |
7317 | ||
29b0f896 AM |
7318 | /* If this is an eight bit register, it's OK. If it's the 16 or |
7319 | 32 bit version of an eight bit register, we will just use the | |
7320 | low portion, and that's OK too. */ | |
dc821c5f | 7321 | if (i.types[op].bitfield.byte) |
29b0f896 AM |
7322 | continue; |
7323 | ||
5a819eb9 | 7324 | /* I/O port address operands are OK too. */ |
75e5731b JB |
7325 | if (i.tm.operand_types[op].bitfield.instance == RegD |
7326 | && i.tm.operand_types[op].bitfield.word) | |
5a819eb9 JB |
7327 | continue; |
7328 | ||
9706160a | 7329 | /* crc32 only wants its source operand checked here. */ |
389d00a5 JB |
7330 | if (i.tm.base_opcode == 0xf0 |
7331 | && i.tm.opcode_modifier.opcodespace == SPACE_0F38 | |
8b65b895 L |
7332 | && i.tm.opcode_modifier.opcodeprefix == PREFIX_0XF2 |
7333 | && op != 0) | |
9344ff29 L |
7334 | continue; |
7335 | ||
29b0f896 | 7336 | /* Any other register is bad. */ |
73c76375 JB |
7337 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7338 | register_prefix, i.op[op].regs->reg_name, | |
7339 | i.tm.name, i.suffix); | |
7340 | return 0; | |
29b0f896 AM |
7341 | } |
7342 | return 1; | |
7343 | } | |
7344 | ||
7345 | static int | |
e3bb37b5 | 7346 | check_long_reg (void) |
29b0f896 AM |
7347 | { |
7348 | int op; | |
7349 | ||
7350 | for (op = i.operands; --op >= 0;) | |
dc821c5f | 7351 | /* Skip non-register operands. */ |
bab6aec1 | 7352 | if (i.types[op].bitfield.class != Reg) |
dc821c5f | 7353 | continue; |
29b0f896 AM |
7354 | /* Reject eight bit registers, except where the template requires |
7355 | them. (eg. movzb) */ | |
dc821c5f | 7356 | else if (i.types[op].bitfield.byte |
bab6aec1 | 7357 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7358 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f JB |
7359 | && (i.tm.operand_types[op].bitfield.word |
7360 | || i.tm.operand_types[op].bitfield.dword)) | |
29b0f896 | 7361 | { |
a540244d L |
7362 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7363 | register_prefix, | |
29b0f896 AM |
7364 | i.op[op].regs->reg_name, |
7365 | i.tm.name, | |
7366 | i.suffix); | |
7367 | return 0; | |
7368 | } | |
be4c5e58 L |
7369 | /* Error if the e prefix on a general reg is missing. */ |
7370 | else if (i.types[op].bitfield.word | |
bab6aec1 | 7371 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7372 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7373 | && i.tm.operand_types[op].bitfield.dword) |
29b0f896 | 7374 | { |
be4c5e58 L |
7375 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
7376 | register_prefix, i.op[op].regs->reg_name, | |
7377 | i.suffix); | |
7378 | return 0; | |
252b5132 | 7379 | } |
e4630f71 | 7380 | /* Warn if the r prefix on a general reg is present. */ |
dc821c5f | 7381 | else if (i.types[op].bitfield.qword |
bab6aec1 | 7382 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7383 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7384 | && i.tm.operand_types[op].bitfield.dword) |
252b5132 | 7385 | { |
34828aad | 7386 | if (intel_syntax |
65fca059 | 7387 | && i.tm.opcode_modifier.toqword |
3528c362 | 7388 | && i.types[0].bitfield.class != RegSIMD) |
34828aad | 7389 | { |
ca61edf2 | 7390 | /* Convert to QWORD. We want REX byte. */ |
34828aad L |
7391 | i.suffix = QWORD_MNEM_SUFFIX; |
7392 | } | |
7393 | else | |
7394 | { | |
2b5d6a91 | 7395 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
34828aad L |
7396 | register_prefix, i.op[op].regs->reg_name, |
7397 | i.suffix); | |
7398 | return 0; | |
7399 | } | |
29b0f896 AM |
7400 | } |
7401 | return 1; | |
7402 | } | |
252b5132 | 7403 | |
29b0f896 | 7404 | static int |
e3bb37b5 | 7405 | check_qword_reg (void) |
29b0f896 AM |
7406 | { |
7407 | int op; | |
252b5132 | 7408 | |
29b0f896 | 7409 | for (op = i.operands; --op >= 0; ) |
dc821c5f | 7410 | /* Skip non-register operands. */ |
bab6aec1 | 7411 | if (i.types[op].bitfield.class != Reg) |
dc821c5f | 7412 | continue; |
29b0f896 AM |
7413 | /* Reject eight bit registers, except where the template requires |
7414 | them. (eg. movzb) */ | |
dc821c5f | 7415 | else if (i.types[op].bitfield.byte |
bab6aec1 | 7416 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7417 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f JB |
7418 | && (i.tm.operand_types[op].bitfield.word |
7419 | || i.tm.operand_types[op].bitfield.dword)) | |
29b0f896 | 7420 | { |
a540244d L |
7421 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7422 | register_prefix, | |
29b0f896 AM |
7423 | i.op[op].regs->reg_name, |
7424 | i.tm.name, | |
7425 | i.suffix); | |
7426 | return 0; | |
7427 | } | |
e4630f71 | 7428 | /* Warn if the r prefix on a general reg is missing. */ |
dc821c5f JB |
7429 | else if ((i.types[op].bitfield.word |
7430 | || i.types[op].bitfield.dword) | |
bab6aec1 | 7431 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7432 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7433 | && i.tm.operand_types[op].bitfield.qword) |
29b0f896 AM |
7434 | { |
7435 | /* Prohibit these changes in the 64bit mode, since the | |
7436 | lowering is more complicated. */ | |
34828aad | 7437 | if (intel_syntax |
ca61edf2 | 7438 | && i.tm.opcode_modifier.todword |
3528c362 | 7439 | && i.types[0].bitfield.class != RegSIMD) |
34828aad | 7440 | { |
ca61edf2 | 7441 | /* Convert to DWORD. We don't want REX byte. */ |
34828aad L |
7442 | i.suffix = LONG_MNEM_SUFFIX; |
7443 | } | |
7444 | else | |
7445 | { | |
2b5d6a91 | 7446 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
34828aad L |
7447 | register_prefix, i.op[op].regs->reg_name, |
7448 | i.suffix); | |
7449 | return 0; | |
7450 | } | |
252b5132 | 7451 | } |
29b0f896 AM |
7452 | return 1; |
7453 | } | |
252b5132 | 7454 | |
29b0f896 | 7455 | static int |
e3bb37b5 | 7456 | check_word_reg (void) |
29b0f896 AM |
7457 | { |
7458 | int op; | |
7459 | for (op = i.operands; --op >= 0;) | |
dc821c5f | 7460 | /* Skip non-register operands. */ |
bab6aec1 | 7461 | if (i.types[op].bitfield.class != Reg) |
dc821c5f | 7462 | continue; |
29b0f896 AM |
7463 | /* Reject eight bit registers, except where the template requires |
7464 | them. (eg. movzb) */ | |
dc821c5f | 7465 | else if (i.types[op].bitfield.byte |
bab6aec1 | 7466 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7467 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f JB |
7468 | && (i.tm.operand_types[op].bitfield.word |
7469 | || i.tm.operand_types[op].bitfield.dword)) | |
29b0f896 | 7470 | { |
a540244d L |
7471 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7472 | register_prefix, | |
29b0f896 AM |
7473 | i.op[op].regs->reg_name, |
7474 | i.tm.name, | |
7475 | i.suffix); | |
7476 | return 0; | |
7477 | } | |
9706160a JB |
7478 | /* Error if the e or r prefix on a general reg is present. */ |
7479 | else if ((i.types[op].bitfield.dword | |
dc821c5f | 7480 | || i.types[op].bitfield.qword) |
bab6aec1 | 7481 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7482 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7483 | && i.tm.operand_types[op].bitfield.word) |
252b5132 | 7484 | { |
9706160a JB |
7485 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
7486 | register_prefix, i.op[op].regs->reg_name, | |
7487 | i.suffix); | |
7488 | return 0; | |
29b0f896 AM |
7489 | } |
7490 | return 1; | |
7491 | } | |
252b5132 | 7492 | |
29b0f896 | 7493 | static int |
40fb9820 | 7494 | update_imm (unsigned int j) |
29b0f896 | 7495 | { |
bc0844ae | 7496 | i386_operand_type overlap = i.types[j]; |
40fb9820 L |
7497 | if ((overlap.bitfield.imm8 |
7498 | || overlap.bitfield.imm8s | |
7499 | || overlap.bitfield.imm16 | |
7500 | || overlap.bitfield.imm32 | |
7501 | || overlap.bitfield.imm32s | |
7502 | || overlap.bitfield.imm64) | |
0dfbf9d7 L |
7503 | && !operand_type_equal (&overlap, &imm8) |
7504 | && !operand_type_equal (&overlap, &imm8s) | |
7505 | && !operand_type_equal (&overlap, &imm16) | |
7506 | && !operand_type_equal (&overlap, &imm32) | |
7507 | && !operand_type_equal (&overlap, &imm32s) | |
7508 | && !operand_type_equal (&overlap, &imm64)) | |
29b0f896 AM |
7509 | { |
7510 | if (i.suffix) | |
7511 | { | |
40fb9820 L |
7512 | i386_operand_type temp; |
7513 | ||
0dfbf9d7 | 7514 | operand_type_set (&temp, 0); |
7ab9ffdd | 7515 | if (i.suffix == BYTE_MNEM_SUFFIX) |
40fb9820 L |
7516 | { |
7517 | temp.bitfield.imm8 = overlap.bitfield.imm8; | |
7518 | temp.bitfield.imm8s = overlap.bitfield.imm8s; | |
7519 | } | |
7520 | else if (i.suffix == WORD_MNEM_SUFFIX) | |
7521 | temp.bitfield.imm16 = overlap.bitfield.imm16; | |
7522 | else if (i.suffix == QWORD_MNEM_SUFFIX) | |
7523 | { | |
7524 | temp.bitfield.imm64 = overlap.bitfield.imm64; | |
7525 | temp.bitfield.imm32s = overlap.bitfield.imm32s; | |
7526 | } | |
7527 | else | |
7528 | temp.bitfield.imm32 = overlap.bitfield.imm32; | |
7529 | overlap = temp; | |
29b0f896 | 7530 | } |
0dfbf9d7 L |
7531 | else if (operand_type_equal (&overlap, &imm16_32_32s) |
7532 | || operand_type_equal (&overlap, &imm16_32) | |
7533 | || operand_type_equal (&overlap, &imm16_32s)) | |
29b0f896 | 7534 | { |
40fb9820 | 7535 | if ((flag_code == CODE_16BIT) ^ (i.prefix[DATA_PREFIX] != 0)) |
65da13b5 | 7536 | overlap = imm16; |
40fb9820 | 7537 | else |
65da13b5 | 7538 | overlap = imm32s; |
29b0f896 | 7539 | } |
8bbb3ad8 JB |
7540 | else if (i.prefix[REX_PREFIX] & REX_W) |
7541 | overlap = operand_type_and (overlap, imm32s); | |
7542 | else if (i.prefix[DATA_PREFIX]) | |
7543 | overlap = operand_type_and (overlap, | |
7544 | flag_code != CODE_16BIT ? imm16 : imm32); | |
0dfbf9d7 L |
7545 | if (!operand_type_equal (&overlap, &imm8) |
7546 | && !operand_type_equal (&overlap, &imm8s) | |
7547 | && !operand_type_equal (&overlap, &imm16) | |
7548 | && !operand_type_equal (&overlap, &imm32) | |
7549 | && !operand_type_equal (&overlap, &imm32s) | |
7550 | && !operand_type_equal (&overlap, &imm64)) | |
29b0f896 | 7551 | { |
4eed87de AM |
7552 | as_bad (_("no instruction mnemonic suffix given; " |
7553 | "can't determine immediate size")); | |
29b0f896 AM |
7554 | return 0; |
7555 | } | |
7556 | } | |
40fb9820 | 7557 | i.types[j] = overlap; |
29b0f896 | 7558 | |
40fb9820 L |
7559 | return 1; |
7560 | } | |
7561 | ||
7562 | static int | |
7563 | finalize_imm (void) | |
7564 | { | |
bc0844ae | 7565 | unsigned int j, n; |
29b0f896 | 7566 | |
bc0844ae L |
7567 | /* Update the first 2 immediate operands. */ |
7568 | n = i.operands > 2 ? 2 : i.operands; | |
7569 | if (n) | |
7570 | { | |
7571 | for (j = 0; j < n; j++) | |
7572 | if (update_imm (j) == 0) | |
7573 | return 0; | |
40fb9820 | 7574 | |
bc0844ae L |
7575 | /* The 3rd operand can't be immediate operand. */ |
7576 | gas_assert (operand_type_check (i.types[2], imm) == 0); | |
7577 | } | |
29b0f896 AM |
7578 | |
7579 | return 1; | |
7580 | } | |
7581 | ||
7582 | static int | |
e3bb37b5 | 7583 | process_operands (void) |
29b0f896 AM |
7584 | { |
7585 | /* Default segment register this instruction will use for memory | |
7586 | accesses. 0 means unknown. This is only for optimizing out | |
7587 | unnecessary segment overrides. */ | |
5e042380 | 7588 | const reg_entry *default_seg = NULL; |
29b0f896 | 7589 | |
a5aeccd9 JB |
7590 | if (i.tm.opcode_modifier.sse2avx) |
7591 | { | |
7592 | /* Legacy encoded insns allow explicit REX prefixes, so these prefixes | |
7593 | need converting. */ | |
7594 | i.rex |= i.prefix[REX_PREFIX] & (REX_W | REX_R | REX_X | REX_B); | |
7595 | i.prefix[REX_PREFIX] = 0; | |
7596 | i.rex_encoding = 0; | |
7597 | } | |
c423d21a JB |
7598 | /* ImmExt should be processed after SSE2AVX. */ |
7599 | else if (i.tm.opcode_modifier.immext) | |
7600 | process_immext (); | |
a5aeccd9 | 7601 | |
2426c15f | 7602 | if (i.tm.opcode_modifier.sse2avx && i.tm.opcode_modifier.vexvvvv) |
29b0f896 | 7603 | { |
91d6fa6a NC |
7604 | unsigned int dupl = i.operands; |
7605 | unsigned int dest = dupl - 1; | |
9fcfb3d7 L |
7606 | unsigned int j; |
7607 | ||
c0f3af97 | 7608 | /* The destination must be an xmm register. */ |
9c2799c2 | 7609 | gas_assert (i.reg_operands |
91d6fa6a | 7610 | && MAX_OPERANDS > dupl |
7ab9ffdd | 7611 | && operand_type_equal (&i.types[dest], ®xmm)); |
c0f3af97 | 7612 | |
75e5731b | 7613 | if (i.tm.operand_types[0].bitfield.instance == Accum |
1b54b8d7 | 7614 | && i.tm.operand_types[0].bitfield.xmmword) |
e2ec9d29 | 7615 | { |
8cd7925b | 7616 | if (i.tm.opcode_modifier.vexsources == VEX3SOURCES) |
c0f3af97 L |
7617 | { |
7618 | /* Keep xmm0 for instructions with VEX prefix and 3 | |
7619 | sources. */ | |
75e5731b | 7620 | i.tm.operand_types[0].bitfield.instance = InstanceNone; |
3528c362 | 7621 | i.tm.operand_types[0].bitfield.class = RegSIMD; |
c0f3af97 L |
7622 | goto duplicate; |
7623 | } | |
e2ec9d29 | 7624 | else |
c0f3af97 L |
7625 | { |
7626 | /* We remove the first xmm0 and keep the number of | |
7627 | operands unchanged, which in fact duplicates the | |
7628 | destination. */ | |
7629 | for (j = 1; j < i.operands; j++) | |
7630 | { | |
7631 | i.op[j - 1] = i.op[j]; | |
7632 | i.types[j - 1] = i.types[j]; | |
7633 | i.tm.operand_types[j - 1] = i.tm.operand_types[j]; | |
8dc0818e | 7634 | i.flags[j - 1] = i.flags[j]; |
c0f3af97 L |
7635 | } |
7636 | } | |
7637 | } | |
7638 | else if (i.tm.opcode_modifier.implicit1stxmm0) | |
7ab9ffdd | 7639 | { |
91d6fa6a | 7640 | gas_assert ((MAX_OPERANDS - 1) > dupl |
8cd7925b L |
7641 | && (i.tm.opcode_modifier.vexsources |
7642 | == VEX3SOURCES)); | |
c0f3af97 L |
7643 | |
7644 | /* Add the implicit xmm0 for instructions with VEX prefix | |
7645 | and 3 sources. */ | |
7646 | for (j = i.operands; j > 0; j--) | |
7647 | { | |
7648 | i.op[j] = i.op[j - 1]; | |
7649 | i.types[j] = i.types[j - 1]; | |
7650 | i.tm.operand_types[j] = i.tm.operand_types[j - 1]; | |
8dc0818e | 7651 | i.flags[j] = i.flags[j - 1]; |
c0f3af97 L |
7652 | } |
7653 | i.op[0].regs | |
629310ab | 7654 | = (const reg_entry *) str_hash_find (reg_hash, "xmm0"); |
7ab9ffdd | 7655 | i.types[0] = regxmm; |
c0f3af97 L |
7656 | i.tm.operand_types[0] = regxmm; |
7657 | ||
7658 | i.operands += 2; | |
7659 | i.reg_operands += 2; | |
7660 | i.tm.operands += 2; | |
7661 | ||
91d6fa6a | 7662 | dupl++; |
c0f3af97 | 7663 | dest++; |
91d6fa6a NC |
7664 | i.op[dupl] = i.op[dest]; |
7665 | i.types[dupl] = i.types[dest]; | |
7666 | i.tm.operand_types[dupl] = i.tm.operand_types[dest]; | |
8dc0818e | 7667 | i.flags[dupl] = i.flags[dest]; |
e2ec9d29 | 7668 | } |
c0f3af97 L |
7669 | else |
7670 | { | |
dc1e8a47 | 7671 | duplicate: |
c0f3af97 L |
7672 | i.operands++; |
7673 | i.reg_operands++; | |
7674 | i.tm.operands++; | |
7675 | ||
91d6fa6a NC |
7676 | i.op[dupl] = i.op[dest]; |
7677 | i.types[dupl] = i.types[dest]; | |
7678 | i.tm.operand_types[dupl] = i.tm.operand_types[dest]; | |
8dc0818e | 7679 | i.flags[dupl] = i.flags[dest]; |
c0f3af97 L |
7680 | } |
7681 | ||
7682 | if (i.tm.opcode_modifier.immext) | |
7683 | process_immext (); | |
7684 | } | |
75e5731b | 7685 | else if (i.tm.operand_types[0].bitfield.instance == Accum |
1b54b8d7 | 7686 | && i.tm.operand_types[0].bitfield.xmmword) |
c0f3af97 L |
7687 | { |
7688 | unsigned int j; | |
7689 | ||
9fcfb3d7 L |
7690 | for (j = 1; j < i.operands; j++) |
7691 | { | |
7692 | i.op[j - 1] = i.op[j]; | |
7693 | i.types[j - 1] = i.types[j]; | |
7694 | ||
7695 | /* We need to adjust fields in i.tm since they are used by | |
7696 | build_modrm_byte. */ | |
7697 | i.tm.operand_types [j - 1] = i.tm.operand_types [j]; | |
8dc0818e JB |
7698 | |
7699 | i.flags[j - 1] = i.flags[j]; | |
9fcfb3d7 L |
7700 | } |
7701 | ||
e2ec9d29 L |
7702 | i.operands--; |
7703 | i.reg_operands--; | |
e2ec9d29 L |
7704 | i.tm.operands--; |
7705 | } | |
920d2ddc IT |
7706 | else if (i.tm.opcode_modifier.implicitquadgroup) |
7707 | { | |
a477a8c4 JB |
7708 | unsigned int regnum, first_reg_in_group, last_reg_in_group; |
7709 | ||
920d2ddc | 7710 | /* The second operand must be {x,y,z}mmN, where N is a multiple of 4. */ |
3528c362 | 7711 | gas_assert (i.operands >= 2 && i.types[1].bitfield.class == RegSIMD); |
a477a8c4 JB |
7712 | regnum = register_number (i.op[1].regs); |
7713 | first_reg_in_group = regnum & ~3; | |
7714 | last_reg_in_group = first_reg_in_group + 3; | |
7715 | if (regnum != first_reg_in_group) | |
7716 | as_warn (_("source register `%s%s' implicitly denotes" | |
7717 | " `%s%.3s%u' to `%s%.3s%u' source group in `%s'"), | |
7718 | register_prefix, i.op[1].regs->reg_name, | |
7719 | register_prefix, i.op[1].regs->reg_name, first_reg_in_group, | |
7720 | register_prefix, i.op[1].regs->reg_name, last_reg_in_group, | |
7721 | i.tm.name); | |
7722 | } | |
e2ec9d29 L |
7723 | else if (i.tm.opcode_modifier.regkludge) |
7724 | { | |
7725 | /* The imul $imm, %reg instruction is converted into | |
7726 | imul $imm, %reg, %reg, and the clr %reg instruction | |
7727 | is converted into xor %reg, %reg. */ | |
7728 | ||
7729 | unsigned int first_reg_op; | |
7730 | ||
7731 | if (operand_type_check (i.types[0], reg)) | |
7732 | first_reg_op = 0; | |
7733 | else | |
7734 | first_reg_op = 1; | |
7735 | /* Pretend we saw the extra register operand. */ | |
9c2799c2 | 7736 | gas_assert (i.reg_operands == 1 |
7ab9ffdd | 7737 | && i.op[first_reg_op + 1].regs == 0); |
e2ec9d29 L |
7738 | i.op[first_reg_op + 1].regs = i.op[first_reg_op].regs; |
7739 | i.types[first_reg_op + 1] = i.types[first_reg_op]; | |
7740 | i.operands++; | |
7741 | i.reg_operands++; | |
29b0f896 AM |
7742 | } |
7743 | ||
85b80b0f | 7744 | if (i.tm.opcode_modifier.modrm) |
29b0f896 AM |
7745 | { |
7746 | /* The opcode is completed (modulo i.tm.extension_opcode which | |
52271982 AM |
7747 | must be put into the modrm byte). Now, we make the modrm and |
7748 | index base bytes based on all the info we've collected. */ | |
29b0f896 AM |
7749 | |
7750 | default_seg = build_modrm_byte (); | |
7751 | } | |
00cee14f | 7752 | else if (i.types[0].bitfield.class == SReg) |
85b80b0f JB |
7753 | { |
7754 | if (flag_code != CODE_64BIT | |
7755 | ? i.tm.base_opcode == POP_SEG_SHORT | |
7756 | && i.op[0].regs->reg_num == 1 | |
389d00a5 | 7757 | : (i.tm.base_opcode | 1) == (POP_SEG386_SHORT & 0xff) |
85b80b0f JB |
7758 | && i.op[0].regs->reg_num < 4) |
7759 | { | |
7760 | as_bad (_("you can't `%s %s%s'"), | |
7761 | i.tm.name, register_prefix, i.op[0].regs->reg_name); | |
7762 | return 0; | |
7763 | } | |
389d00a5 JB |
7764 | if (i.op[0].regs->reg_num > 3 |
7765 | && i.tm.opcode_modifier.opcodespace == SPACE_BASE ) | |
85b80b0f | 7766 | { |
389d00a5 JB |
7767 | i.tm.base_opcode ^= (POP_SEG_SHORT ^ POP_SEG386_SHORT) & 0xff; |
7768 | i.tm.opcode_modifier.opcodespace = SPACE_0F; | |
85b80b0f JB |
7769 | } |
7770 | i.tm.base_opcode |= (i.op[0].regs->reg_num << 3); | |
7771 | } | |
389d00a5 JB |
7772 | else if (i.tm.opcode_modifier.opcodespace == SPACE_BASE |
7773 | && (i.tm.base_opcode & ~3) == MOV_AX_DISP32) | |
29b0f896 | 7774 | { |
5e042380 | 7775 | default_seg = reg_ds; |
29b0f896 | 7776 | } |
40fb9820 | 7777 | else if (i.tm.opcode_modifier.isstring) |
29b0f896 AM |
7778 | { |
7779 | /* For the string instructions that allow a segment override | |
7780 | on one of their operands, the default segment is ds. */ | |
5e042380 | 7781 | default_seg = reg_ds; |
29b0f896 | 7782 | } |
50128d0c | 7783 | else if (i.short_form) |
85b80b0f JB |
7784 | { |
7785 | /* The register or float register operand is in operand | |
7786 | 0 or 1. */ | |
bab6aec1 | 7787 | unsigned int op = i.tm.operand_types[0].bitfield.class != Reg; |
85b80b0f JB |
7788 | |
7789 | /* Register goes in low 3 bits of opcode. */ | |
7790 | i.tm.base_opcode |= i.op[op].regs->reg_num; | |
7791 | if ((i.op[op].regs->reg_flags & RegRex) != 0) | |
7792 | i.rex |= REX_B; | |
7793 | if (!quiet_warnings && i.tm.opcode_modifier.ugh) | |
7794 | { | |
7795 | /* Warn about some common errors, but press on regardless. | |
7796 | The first case can be generated by gcc (<= 2.8.1). */ | |
7797 | if (i.operands == 2) | |
7798 | { | |
7799 | /* Reversed arguments on faddp, fsubp, etc. */ | |
7800 | as_warn (_("translating to `%s %s%s,%s%s'"), i.tm.name, | |
7801 | register_prefix, i.op[!intel_syntax].regs->reg_name, | |
7802 | register_prefix, i.op[intel_syntax].regs->reg_name); | |
7803 | } | |
7804 | else | |
7805 | { | |
7806 | /* Extraneous `l' suffix on fp insn. */ | |
7807 | as_warn (_("translating to `%s %s%s'"), i.tm.name, | |
7808 | register_prefix, i.op[0].regs->reg_name); | |
7809 | } | |
7810 | } | |
7811 | } | |
29b0f896 | 7812 | |
514a8bb0 | 7813 | if ((i.seg[0] || i.prefix[SEG_PREFIX]) |
514a8bb0 | 7814 | && i.tm.base_opcode == 0x8d /* lea */ |
35648716 | 7815 | && i.tm.opcode_modifier.opcodespace == SPACE_BASE |
514a8bb0 | 7816 | && !is_any_vex_encoding(&i.tm)) |
92334ad2 JB |
7817 | { |
7818 | if (!quiet_warnings) | |
7819 | as_warn (_("segment override on `%s' is ineffectual"), i.tm.name); | |
7820 | if (optimize) | |
7821 | { | |
7822 | i.seg[0] = NULL; | |
7823 | i.prefix[SEG_PREFIX] = 0; | |
7824 | } | |
7825 | } | |
52271982 AM |
7826 | |
7827 | /* If a segment was explicitly specified, and the specified segment | |
b6773884 JB |
7828 | is neither the default nor the one already recorded from a prefix, |
7829 | use an opcode prefix to select it. If we never figured out what | |
7830 | the default segment is, then default_seg will be zero at this | |
7831 | point, and the specified segment prefix will always be used. */ | |
7832 | if (i.seg[0] | |
7833 | && i.seg[0] != default_seg | |
5e042380 | 7834 | && i386_seg_prefixes[i.seg[0]->reg_num] != i.prefix[SEG_PREFIX]) |
29b0f896 | 7835 | { |
5e042380 | 7836 | if (!add_prefix (i386_seg_prefixes[i.seg[0]->reg_num])) |
29b0f896 AM |
7837 | return 0; |
7838 | } | |
7839 | return 1; | |
7840 | } | |
7841 | ||
a5aeccd9 | 7842 | static INLINE void set_rex_vrex (const reg_entry *r, unsigned int rex_bit, |
5b7c81bd | 7843 | bool do_sse2avx) |
a5aeccd9 JB |
7844 | { |
7845 | if (r->reg_flags & RegRex) | |
7846 | { | |
7847 | if (i.rex & rex_bit) | |
7848 | as_bad (_("same type of prefix used twice")); | |
7849 | i.rex |= rex_bit; | |
7850 | } | |
7851 | else if (do_sse2avx && (i.rex & rex_bit) && i.vex.register_specifier) | |
7852 | { | |
7853 | gas_assert (i.vex.register_specifier == r); | |
7854 | i.vex.register_specifier += 8; | |
7855 | } | |
7856 | ||
7857 | if (r->reg_flags & RegVRex) | |
7858 | i.vrex |= rex_bit; | |
7859 | } | |
7860 | ||
5e042380 | 7861 | static const reg_entry * |
e3bb37b5 | 7862 | build_modrm_byte (void) |
29b0f896 | 7863 | { |
5e042380 | 7864 | const reg_entry *default_seg = NULL; |
c0f3af97 | 7865 | unsigned int source, dest; |
8cd7925b | 7866 | int vex_3_sources; |
c0f3af97 | 7867 | |
8cd7925b | 7868 | vex_3_sources = i.tm.opcode_modifier.vexsources == VEX3SOURCES; |
c0f3af97 L |
7869 | if (vex_3_sources) |
7870 | { | |
91d6fa6a | 7871 | unsigned int nds, reg_slot; |
4c2c6516 | 7872 | expressionS *exp; |
c0f3af97 | 7873 | |
6b8d3588 | 7874 | dest = i.operands - 1; |
c0f3af97 | 7875 | nds = dest - 1; |
922d8de8 | 7876 | |
a683cc34 | 7877 | /* There are 2 kinds of instructions: |
bed3d976 | 7878 | 1. 5 operands: 4 register operands or 3 register operands |
9d3bf266 | 7879 | plus 1 memory operand plus one Imm4 operand, VexXDS, and |
bed3d976 | 7880 | VexW0 or VexW1. The destination must be either XMM, YMM or |
43234a1e | 7881 | ZMM register. |
bed3d976 | 7882 | 2. 4 operands: 4 register operands or 3 register operands |
2f1bada2 | 7883 | plus 1 memory operand, with VexXDS. */ |
922d8de8 | 7884 | gas_assert ((i.reg_operands == 4 |
bed3d976 JB |
7885 | || (i.reg_operands == 3 && i.mem_operands == 1)) |
7886 | && i.tm.opcode_modifier.vexvvvv == VEXXDS | |
dcd7e323 | 7887 | && i.tm.opcode_modifier.vexw |
3528c362 | 7888 | && i.tm.operand_types[dest].bitfield.class == RegSIMD); |
a683cc34 | 7889 | |
48db9223 JB |
7890 | /* If VexW1 is set, the first non-immediate operand is the source and |
7891 | the second non-immediate one is encoded in the immediate operand. */ | |
7892 | if (i.tm.opcode_modifier.vexw == VEXW1) | |
7893 | { | |
7894 | source = i.imm_operands; | |
7895 | reg_slot = i.imm_operands + 1; | |
7896 | } | |
7897 | else | |
7898 | { | |
7899 | source = i.imm_operands + 1; | |
7900 | reg_slot = i.imm_operands; | |
7901 | } | |
7902 | ||
a683cc34 | 7903 | if (i.imm_operands == 0) |
bed3d976 JB |
7904 | { |
7905 | /* When there is no immediate operand, generate an 8bit | |
7906 | immediate operand to encode the first operand. */ | |
7907 | exp = &im_expressions[i.imm_operands++]; | |
7908 | i.op[i.operands].imms = exp; | |
7909 | i.types[i.operands] = imm8; | |
7910 | i.operands++; | |
7911 | ||
3528c362 | 7912 | gas_assert (i.tm.operand_types[reg_slot].bitfield.class == RegSIMD); |
bed3d976 JB |
7913 | exp->X_op = O_constant; |
7914 | exp->X_add_number = register_number (i.op[reg_slot].regs) << 4; | |
43234a1e L |
7915 | gas_assert ((i.op[reg_slot].regs->reg_flags & RegVRex) == 0); |
7916 | } | |
922d8de8 | 7917 | else |
bed3d976 | 7918 | { |
9d3bf266 JB |
7919 | gas_assert (i.imm_operands == 1); |
7920 | gas_assert (fits_in_imm4 (i.op[0].imms->X_add_number)); | |
7921 | gas_assert (!i.tm.opcode_modifier.immext); | |
a683cc34 | 7922 | |
9d3bf266 JB |
7923 | /* Turn on Imm8 again so that output_imm will generate it. */ |
7924 | i.types[0].bitfield.imm8 = 1; | |
bed3d976 | 7925 | |
3528c362 | 7926 | gas_assert (i.tm.operand_types[reg_slot].bitfield.class == RegSIMD); |
9d3bf266 | 7927 | i.op[0].imms->X_add_number |
bed3d976 | 7928 | |= register_number (i.op[reg_slot].regs) << 4; |
43234a1e | 7929 | gas_assert ((i.op[reg_slot].regs->reg_flags & RegVRex) == 0); |
bed3d976 | 7930 | } |
a683cc34 | 7931 | |
3528c362 | 7932 | gas_assert (i.tm.operand_types[nds].bitfield.class == RegSIMD); |
dae39acc | 7933 | i.vex.register_specifier = i.op[nds].regs; |
c0f3af97 L |
7934 | } |
7935 | else | |
7936 | source = dest = 0; | |
29b0f896 AM |
7937 | |
7938 | /* i.reg_operands MUST be the number of real register operands; | |
c0f3af97 L |
7939 | implicit registers do not count. If there are 3 register |
7940 | operands, it must be a instruction with VexNDS. For a | |
7941 | instruction with VexNDD, the destination register is encoded | |
7942 | in VEX prefix. If there are 4 register operands, it must be | |
7943 | a instruction with VEX prefix and 3 sources. */ | |
7ab9ffdd L |
7944 | if (i.mem_operands == 0 |
7945 | && ((i.reg_operands == 2 | |
2426c15f | 7946 | && i.tm.opcode_modifier.vexvvvv <= VEXXDS) |
7ab9ffdd | 7947 | || (i.reg_operands == 3 |
2426c15f | 7948 | && i.tm.opcode_modifier.vexvvvv == VEXXDS) |
7ab9ffdd | 7949 | || (i.reg_operands == 4 && vex_3_sources))) |
29b0f896 | 7950 | { |
cab737b9 L |
7951 | switch (i.operands) |
7952 | { | |
7953 | case 2: | |
7954 | source = 0; | |
7955 | break; | |
7956 | case 3: | |
c81128dc L |
7957 | /* When there are 3 operands, one of them may be immediate, |
7958 | which may be the first or the last operand. Otherwise, | |
c0f3af97 L |
7959 | the first operand must be shift count register (cl) or it |
7960 | is an instruction with VexNDS. */ | |
9c2799c2 | 7961 | gas_assert (i.imm_operands == 1 |
7ab9ffdd | 7962 | || (i.imm_operands == 0 |
2426c15f | 7963 | && (i.tm.opcode_modifier.vexvvvv == VEXXDS |
75e5731b JB |
7964 | || (i.types[0].bitfield.instance == RegC |
7965 | && i.types[0].bitfield.byte)))); | |
40fb9820 | 7966 | if (operand_type_check (i.types[0], imm) |
75e5731b JB |
7967 | || (i.types[0].bitfield.instance == RegC |
7968 | && i.types[0].bitfield.byte)) | |
40fb9820 L |
7969 | source = 1; |
7970 | else | |
7971 | source = 0; | |
cab737b9 L |
7972 | break; |
7973 | case 4: | |
368d64cc L |
7974 | /* When there are 4 operands, the first two must be 8bit |
7975 | immediate operands. The source operand will be the 3rd | |
c0f3af97 L |
7976 | one. |
7977 | ||
7978 | For instructions with VexNDS, if the first operand | |
7979 | an imm8, the source operand is the 2nd one. If the last | |
7980 | operand is imm8, the source operand is the first one. */ | |
9c2799c2 | 7981 | gas_assert ((i.imm_operands == 2 |
7ab9ffdd L |
7982 | && i.types[0].bitfield.imm8 |
7983 | && i.types[1].bitfield.imm8) | |
2426c15f | 7984 | || (i.tm.opcode_modifier.vexvvvv == VEXXDS |
7ab9ffdd L |
7985 | && i.imm_operands == 1 |
7986 | && (i.types[0].bitfield.imm8 | |
43234a1e | 7987 | || i.types[i.operands - 1].bitfield.imm8 |
ca5312a2 | 7988 | || i.rounding.type != rc_none))); |
9f2670f2 L |
7989 | if (i.imm_operands == 2) |
7990 | source = 2; | |
7991 | else | |
c0f3af97 L |
7992 | { |
7993 | if (i.types[0].bitfield.imm8) | |
7994 | source = 1; | |
7995 | else | |
7996 | source = 0; | |
7997 | } | |
c0f3af97 L |
7998 | break; |
7999 | case 5: | |
e771e7c9 | 8000 | if (is_evex_encoding (&i.tm)) |
43234a1e L |
8001 | { |
8002 | /* For EVEX instructions, when there are 5 operands, the | |
8003 | first one must be immediate operand. If the second one | |
8004 | is immediate operand, the source operand is the 3th | |
8005 | one. If the last one is immediate operand, the source | |
8006 | operand is the 2nd one. */ | |
8007 | gas_assert (i.imm_operands == 2 | |
8008 | && i.tm.opcode_modifier.sae | |
8009 | && operand_type_check (i.types[0], imm)); | |
8010 | if (operand_type_check (i.types[1], imm)) | |
8011 | source = 2; | |
8012 | else if (operand_type_check (i.types[4], imm)) | |
8013 | source = 1; | |
8014 | else | |
8015 | abort (); | |
8016 | } | |
cab737b9 L |
8017 | break; |
8018 | default: | |
8019 | abort (); | |
8020 | } | |
8021 | ||
c0f3af97 L |
8022 | if (!vex_3_sources) |
8023 | { | |
8024 | dest = source + 1; | |
8025 | ||
43234a1e L |
8026 | /* RC/SAE operand could be between DEST and SRC. That happens |
8027 | when one operand is GPR and the other one is XMM/YMM/ZMM | |
8028 | register. */ | |
ca5312a2 | 8029 | if (i.rounding.type != rc_none && i.rounding.operand == dest) |
43234a1e L |
8030 | dest++; |
8031 | ||
2426c15f | 8032 | if (i.tm.opcode_modifier.vexvvvv == VEXXDS) |
c0f3af97 | 8033 | { |
43234a1e | 8034 | /* For instructions with VexNDS, the register-only source |
c5d0745b | 8035 | operand must be a 32/64bit integer, XMM, YMM, ZMM, or mask |
dfd69174 | 8036 | register. It is encoded in VEX prefix. */ |
f12dc422 L |
8037 | |
8038 | i386_operand_type op; | |
8039 | unsigned int vvvv; | |
8040 | ||
c2ecccb3 L |
8041 | /* Swap two source operands if needed. */ |
8042 | if (i.tm.opcode_modifier.swapsources) | |
f12dc422 L |
8043 | { |
8044 | vvvv = source; | |
8045 | source = dest; | |
8046 | } | |
8047 | else | |
8048 | vvvv = dest; | |
8049 | ||
8050 | op = i.tm.operand_types[vvvv]; | |
c0f3af97 | 8051 | if ((dest + 1) >= i.operands |
bab6aec1 | 8052 | || ((op.bitfield.class != Reg |
dc821c5f | 8053 | || (!op.bitfield.dword && !op.bitfield.qword)) |
3528c362 | 8054 | && op.bitfield.class != RegSIMD |
43234a1e | 8055 | && !operand_type_equal (&op, ®mask))) |
c0f3af97 | 8056 | abort (); |
f12dc422 | 8057 | i.vex.register_specifier = i.op[vvvv].regs; |
c0f3af97 L |
8058 | dest++; |
8059 | } | |
8060 | } | |
29b0f896 AM |
8061 | |
8062 | i.rm.mode = 3; | |
dfd69174 JB |
8063 | /* One of the register operands will be encoded in the i.rm.reg |
8064 | field, the other in the combined i.rm.mode and i.rm.regmem | |
29b0f896 AM |
8065 | fields. If no form of this instruction supports a memory |
8066 | destination operand, then we assume the source operand may | |
8067 | sometimes be a memory operand and so we need to store the | |
8068 | destination in the i.rm.reg field. */ | |
dfd69174 | 8069 | if (!i.tm.opcode_modifier.regmem |
40fb9820 | 8070 | && operand_type_check (i.tm.operand_types[dest], anymem) == 0) |
29b0f896 AM |
8071 | { |
8072 | i.rm.reg = i.op[dest].regs->reg_num; | |
8073 | i.rm.regmem = i.op[source].regs->reg_num; | |
a5aeccd9 | 8074 | set_rex_vrex (i.op[dest].regs, REX_R, i.tm.opcode_modifier.sse2avx); |
5b7c81bd | 8075 | set_rex_vrex (i.op[source].regs, REX_B, false); |
29b0f896 AM |
8076 | } |
8077 | else | |
8078 | { | |
8079 | i.rm.reg = i.op[source].regs->reg_num; | |
8080 | i.rm.regmem = i.op[dest].regs->reg_num; | |
a5aeccd9 | 8081 | set_rex_vrex (i.op[dest].regs, REX_B, i.tm.opcode_modifier.sse2avx); |
5b7c81bd | 8082 | set_rex_vrex (i.op[source].regs, REX_R, false); |
29b0f896 | 8083 | } |
e0c7f900 | 8084 | if (flag_code != CODE_64BIT && (i.rex & REX_R)) |
c4a530c5 | 8085 | { |
4a5c67ed | 8086 | if (i.types[!i.tm.opcode_modifier.regmem].bitfield.class != RegCR) |
c4a530c5 | 8087 | abort (); |
e0c7f900 | 8088 | i.rex &= ~REX_R; |
c4a530c5 JB |
8089 | add_prefix (LOCK_PREFIX_OPCODE); |
8090 | } | |
29b0f896 AM |
8091 | } |
8092 | else | |
8093 | { /* If it's not 2 reg operands... */ | |
c0f3af97 L |
8094 | unsigned int mem; |
8095 | ||
29b0f896 AM |
8096 | if (i.mem_operands) |
8097 | { | |
8098 | unsigned int fake_zero_displacement = 0; | |
99018f42 | 8099 | unsigned int op; |
4eed87de | 8100 | |
7ab9ffdd | 8101 | for (op = 0; op < i.operands; op++) |
8dc0818e | 8102 | if (i.flags[op] & Operand_Mem) |
7ab9ffdd | 8103 | break; |
7ab9ffdd | 8104 | gas_assert (op < i.operands); |
29b0f896 | 8105 | |
63112cd6 | 8106 | if (i.tm.opcode_modifier.sib) |
6c30d220 | 8107 | { |
260cd341 LC |
8108 | /* The index register of VSIB shouldn't be RegIZ. */ |
8109 | if (i.tm.opcode_modifier.sib != SIBMEM | |
8110 | && i.index_reg->reg_num == RegIZ) | |
6c30d220 L |
8111 | abort (); |
8112 | ||
8113 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; | |
8114 | if (!i.base_reg) | |
8115 | { | |
8116 | i.sib.base = NO_BASE_REGISTER; | |
8117 | i.sib.scale = i.log2_scale_factor; | |
8118 | i.types[op].bitfield.disp8 = 0; | |
8119 | i.types[op].bitfield.disp16 = 0; | |
8120 | i.types[op].bitfield.disp64 = 0; | |
a9aabc23 | 8121 | if (want_disp32 (&i.tm)) |
6c30d220 L |
8122 | { |
8123 | /* Must be 32 bit */ | |
8124 | i.types[op].bitfield.disp32 = 1; | |
8125 | i.types[op].bitfield.disp32s = 0; | |
8126 | } | |
8127 | else | |
8128 | { | |
8129 | i.types[op].bitfield.disp32 = 0; | |
8130 | i.types[op].bitfield.disp32s = 1; | |
8131 | } | |
8132 | } | |
260cd341 LC |
8133 | |
8134 | /* Since the mandatory SIB always has index register, so | |
8135 | the code logic remains unchanged. The non-mandatory SIB | |
8136 | without index register is allowed and will be handled | |
8137 | later. */ | |
8138 | if (i.index_reg) | |
8139 | { | |
8140 | if (i.index_reg->reg_num == RegIZ) | |
8141 | i.sib.index = NO_INDEX_REGISTER; | |
8142 | else | |
8143 | i.sib.index = i.index_reg->reg_num; | |
5b7c81bd | 8144 | set_rex_vrex (i.index_reg, REX_X, false); |
260cd341 | 8145 | } |
6c30d220 L |
8146 | } |
8147 | ||
5e042380 | 8148 | default_seg = reg_ds; |
29b0f896 AM |
8149 | |
8150 | if (i.base_reg == 0) | |
8151 | { | |
8152 | i.rm.mode = 0; | |
8153 | if (!i.disp_operands) | |
9bb129e8 | 8154 | fake_zero_displacement = 1; |
29b0f896 AM |
8155 | if (i.index_reg == 0) |
8156 | { | |
73053c1f JB |
8157 | i386_operand_type newdisp; |
8158 | ||
260cd341 LC |
8159 | /* Both check for VSIB and mandatory non-vector SIB. */ |
8160 | gas_assert (!i.tm.opcode_modifier.sib | |
8161 | || i.tm.opcode_modifier.sib == SIBMEM); | |
29b0f896 | 8162 | /* Operand is just <disp> */ |
20f0a1fc | 8163 | if (flag_code == CODE_64BIT) |
29b0f896 AM |
8164 | { |
8165 | /* 64bit mode overwrites the 32bit absolute | |
8166 | addressing by RIP relative addressing and | |
8167 | absolute addressing is encoded by one of the | |
8168 | redundant SIB forms. */ | |
8169 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; | |
8170 | i.sib.base = NO_BASE_REGISTER; | |
8171 | i.sib.index = NO_INDEX_REGISTER; | |
a9aabc23 | 8172 | newdisp = (want_disp32(&i.tm) ? disp32 : disp32s); |
20f0a1fc | 8173 | } |
fc225355 L |
8174 | else if ((flag_code == CODE_16BIT) |
8175 | ^ (i.prefix[ADDR_PREFIX] != 0)) | |
20f0a1fc NC |
8176 | { |
8177 | i.rm.regmem = NO_BASE_REGISTER_16; | |
73053c1f | 8178 | newdisp = disp16; |
20f0a1fc NC |
8179 | } |
8180 | else | |
8181 | { | |
8182 | i.rm.regmem = NO_BASE_REGISTER; | |
73053c1f | 8183 | newdisp = disp32; |
29b0f896 | 8184 | } |
73053c1f JB |
8185 | i.types[op] = operand_type_and_not (i.types[op], anydisp); |
8186 | i.types[op] = operand_type_or (i.types[op], newdisp); | |
29b0f896 | 8187 | } |
63112cd6 | 8188 | else if (!i.tm.opcode_modifier.sib) |
29b0f896 | 8189 | { |
6c30d220 | 8190 | /* !i.base_reg && i.index_reg */ |
e968fc9b | 8191 | if (i.index_reg->reg_num == RegIZ) |
db51cc60 L |
8192 | i.sib.index = NO_INDEX_REGISTER; |
8193 | else | |
8194 | i.sib.index = i.index_reg->reg_num; | |
29b0f896 AM |
8195 | i.sib.base = NO_BASE_REGISTER; |
8196 | i.sib.scale = i.log2_scale_factor; | |
8197 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; | |
40fb9820 L |
8198 | i.types[op].bitfield.disp8 = 0; |
8199 | i.types[op].bitfield.disp16 = 0; | |
8200 | i.types[op].bitfield.disp64 = 0; | |
a9aabc23 | 8201 | if (want_disp32 (&i.tm)) |
40fb9820 L |
8202 | { |
8203 | /* Must be 32 bit */ | |
8204 | i.types[op].bitfield.disp32 = 1; | |
8205 | i.types[op].bitfield.disp32s = 0; | |
8206 | } | |
29b0f896 | 8207 | else |
40fb9820 L |
8208 | { |
8209 | i.types[op].bitfield.disp32 = 0; | |
8210 | i.types[op].bitfield.disp32s = 1; | |
8211 | } | |
29b0f896 | 8212 | if ((i.index_reg->reg_flags & RegRex) != 0) |
161a04f6 | 8213 | i.rex |= REX_X; |
29b0f896 AM |
8214 | } |
8215 | } | |
8216 | /* RIP addressing for 64bit mode. */ | |
e968fc9b | 8217 | else if (i.base_reg->reg_num == RegIP) |
29b0f896 | 8218 | { |
63112cd6 | 8219 | gas_assert (!i.tm.opcode_modifier.sib); |
29b0f896 | 8220 | i.rm.regmem = NO_BASE_REGISTER; |
40fb9820 L |
8221 | i.types[op].bitfield.disp8 = 0; |
8222 | i.types[op].bitfield.disp16 = 0; | |
8223 | i.types[op].bitfield.disp32 = 0; | |
8224 | i.types[op].bitfield.disp32s = 1; | |
8225 | i.types[op].bitfield.disp64 = 0; | |
71903a11 | 8226 | i.flags[op] |= Operand_PCrel; |
20f0a1fc NC |
8227 | if (! i.disp_operands) |
8228 | fake_zero_displacement = 1; | |
29b0f896 | 8229 | } |
dc821c5f | 8230 | else if (i.base_reg->reg_type.bitfield.word) |
29b0f896 | 8231 | { |
63112cd6 | 8232 | gas_assert (!i.tm.opcode_modifier.sib); |
29b0f896 AM |
8233 | switch (i.base_reg->reg_num) |
8234 | { | |
8235 | case 3: /* (%bx) */ | |
8236 | if (i.index_reg == 0) | |
8237 | i.rm.regmem = 7; | |
8238 | else /* (%bx,%si) -> 0, or (%bx,%di) -> 1 */ | |
8239 | i.rm.regmem = i.index_reg->reg_num - 6; | |
8240 | break; | |
8241 | case 5: /* (%bp) */ | |
5e042380 | 8242 | default_seg = reg_ss; |
29b0f896 AM |
8243 | if (i.index_reg == 0) |
8244 | { | |
8245 | i.rm.regmem = 6; | |
40fb9820 | 8246 | if (operand_type_check (i.types[op], disp) == 0) |
29b0f896 AM |
8247 | { |
8248 | /* fake (%bp) into 0(%bp) */ | |
41eb8e88 | 8249 | if (i.disp_encoding == disp_encoding_16bit) |
1a02d6b0 L |
8250 | i.types[op].bitfield.disp16 = 1; |
8251 | else | |
8252 | i.types[op].bitfield.disp8 = 1; | |
252b5132 | 8253 | fake_zero_displacement = 1; |
29b0f896 AM |
8254 | } |
8255 | } | |
8256 | else /* (%bp,%si) -> 2, or (%bp,%di) -> 3 */ | |
8257 | i.rm.regmem = i.index_reg->reg_num - 6 + 2; | |
8258 | break; | |
8259 | default: /* (%si) -> 4 or (%di) -> 5 */ | |
8260 | i.rm.regmem = i.base_reg->reg_num - 6 + 4; | |
8261 | } | |
41eb8e88 L |
8262 | if (!fake_zero_displacement |
8263 | && !i.disp_operands | |
8264 | && i.disp_encoding) | |
8265 | { | |
8266 | fake_zero_displacement = 1; | |
8267 | if (i.disp_encoding == disp_encoding_8bit) | |
8268 | i.types[op].bitfield.disp8 = 1; | |
8269 | else | |
8270 | i.types[op].bitfield.disp16 = 1; | |
8271 | } | |
29b0f896 AM |
8272 | i.rm.mode = mode_from_disp_size (i.types[op]); |
8273 | } | |
8274 | else /* i.base_reg and 32/64 bit mode */ | |
8275 | { | |
a9aabc23 | 8276 | if (operand_type_check (i.types[op], disp)) |
40fb9820 | 8277 | { |
73053c1f JB |
8278 | i.types[op].bitfield.disp16 = 0; |
8279 | i.types[op].bitfield.disp64 = 0; | |
a9aabc23 | 8280 | if (!want_disp32 (&i.tm)) |
73053c1f JB |
8281 | { |
8282 | i.types[op].bitfield.disp32 = 0; | |
8283 | i.types[op].bitfield.disp32s = 1; | |
8284 | } | |
40fb9820 | 8285 | else |
73053c1f JB |
8286 | { |
8287 | i.types[op].bitfield.disp32 = 1; | |
8288 | i.types[op].bitfield.disp32s = 0; | |
8289 | } | |
40fb9820 | 8290 | } |
20f0a1fc | 8291 | |
63112cd6 | 8292 | if (!i.tm.opcode_modifier.sib) |
6c30d220 | 8293 | i.rm.regmem = i.base_reg->reg_num; |
29b0f896 | 8294 | if ((i.base_reg->reg_flags & RegRex) != 0) |
161a04f6 | 8295 | i.rex |= REX_B; |
29b0f896 AM |
8296 | i.sib.base = i.base_reg->reg_num; |
8297 | /* x86-64 ignores REX prefix bit here to avoid decoder | |
8298 | complications. */ | |
848930b2 JB |
8299 | if (!(i.base_reg->reg_flags & RegRex) |
8300 | && (i.base_reg->reg_num == EBP_REG_NUM | |
8301 | || i.base_reg->reg_num == ESP_REG_NUM)) | |
5e042380 | 8302 | default_seg = reg_ss; |
848930b2 | 8303 | if (i.base_reg->reg_num == 5 && i.disp_operands == 0) |
29b0f896 | 8304 | { |
848930b2 | 8305 | fake_zero_displacement = 1; |
1a02d6b0 L |
8306 | if (i.disp_encoding == disp_encoding_32bit) |
8307 | i.types[op].bitfield.disp32 = 1; | |
8308 | else | |
8309 | i.types[op].bitfield.disp8 = 1; | |
29b0f896 AM |
8310 | } |
8311 | i.sib.scale = i.log2_scale_factor; | |
8312 | if (i.index_reg == 0) | |
8313 | { | |
260cd341 LC |
8314 | /* Only check for VSIB. */ |
8315 | gas_assert (i.tm.opcode_modifier.sib != VECSIB128 | |
8316 | && i.tm.opcode_modifier.sib != VECSIB256 | |
8317 | && i.tm.opcode_modifier.sib != VECSIB512); | |
8318 | ||
29b0f896 AM |
8319 | /* <disp>(%esp) becomes two byte modrm with no index |
8320 | register. We've already stored the code for esp | |
8321 | in i.rm.regmem ie. ESCAPE_TO_TWO_BYTE_ADDRESSING. | |
8322 | Any base register besides %esp will not use the | |
8323 | extra modrm byte. */ | |
8324 | i.sib.index = NO_INDEX_REGISTER; | |
29b0f896 | 8325 | } |
63112cd6 | 8326 | else if (!i.tm.opcode_modifier.sib) |
29b0f896 | 8327 | { |
e968fc9b | 8328 | if (i.index_reg->reg_num == RegIZ) |
db51cc60 L |
8329 | i.sib.index = NO_INDEX_REGISTER; |
8330 | else | |
8331 | i.sib.index = i.index_reg->reg_num; | |
29b0f896 AM |
8332 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; |
8333 | if ((i.index_reg->reg_flags & RegRex) != 0) | |
161a04f6 | 8334 | i.rex |= REX_X; |
29b0f896 | 8335 | } |
67a4f2b7 AO |
8336 | |
8337 | if (i.disp_operands | |
8338 | && (i.reloc[op] == BFD_RELOC_386_TLS_DESC_CALL | |
8339 | || i.reloc[op] == BFD_RELOC_X86_64_TLSDESC_CALL)) | |
8340 | i.rm.mode = 0; | |
8341 | else | |
a501d77e L |
8342 | { |
8343 | if (!fake_zero_displacement | |
8344 | && !i.disp_operands | |
8345 | && i.disp_encoding) | |
8346 | { | |
8347 | fake_zero_displacement = 1; | |
8348 | if (i.disp_encoding == disp_encoding_8bit) | |
8349 | i.types[op].bitfield.disp8 = 1; | |
8350 | else | |
8351 | i.types[op].bitfield.disp32 = 1; | |
8352 | } | |
8353 | i.rm.mode = mode_from_disp_size (i.types[op]); | |
8354 | } | |
29b0f896 | 8355 | } |
252b5132 | 8356 | |
29b0f896 AM |
8357 | if (fake_zero_displacement) |
8358 | { | |
8359 | /* Fakes a zero displacement assuming that i.types[op] | |
8360 | holds the correct displacement size. */ | |
8361 | expressionS *exp; | |
8362 | ||
9c2799c2 | 8363 | gas_assert (i.op[op].disps == 0); |
29b0f896 AM |
8364 | exp = &disp_expressions[i.disp_operands++]; |
8365 | i.op[op].disps = exp; | |
8366 | exp->X_op = O_constant; | |
8367 | exp->X_add_number = 0; | |
8368 | exp->X_add_symbol = (symbolS *) 0; | |
8369 | exp->X_op_symbol = (symbolS *) 0; | |
8370 | } | |
c0f3af97 L |
8371 | |
8372 | mem = op; | |
29b0f896 | 8373 | } |
c0f3af97 L |
8374 | else |
8375 | mem = ~0; | |
252b5132 | 8376 | |
8c43a48b | 8377 | if (i.tm.opcode_modifier.vexsources == XOP2SOURCES) |
5dd85c99 SP |
8378 | { |
8379 | if (operand_type_check (i.types[0], imm)) | |
8380 | i.vex.register_specifier = NULL; | |
8381 | else | |
8382 | { | |
8383 | /* VEX.vvvv encodes one of the sources when the first | |
8384 | operand is not an immediate. */ | |
1ef99a7b | 8385 | if (i.tm.opcode_modifier.vexw == VEXW0) |
5dd85c99 SP |
8386 | i.vex.register_specifier = i.op[0].regs; |
8387 | else | |
8388 | i.vex.register_specifier = i.op[1].regs; | |
8389 | } | |
8390 | ||
8391 | /* Destination is a XMM register encoded in the ModRM.reg | |
8392 | and VEX.R bit. */ | |
8393 | i.rm.reg = i.op[2].regs->reg_num; | |
8394 | if ((i.op[2].regs->reg_flags & RegRex) != 0) | |
8395 | i.rex |= REX_R; | |
8396 | ||
8397 | /* ModRM.rm and VEX.B encodes the other source. */ | |
8398 | if (!i.mem_operands) | |
8399 | { | |
8400 | i.rm.mode = 3; | |
8401 | ||
1ef99a7b | 8402 | if (i.tm.opcode_modifier.vexw == VEXW0) |
5dd85c99 SP |
8403 | i.rm.regmem = i.op[1].regs->reg_num; |
8404 | else | |
8405 | i.rm.regmem = i.op[0].regs->reg_num; | |
8406 | ||
8407 | if ((i.op[1].regs->reg_flags & RegRex) != 0) | |
8408 | i.rex |= REX_B; | |
8409 | } | |
8410 | } | |
2426c15f | 8411 | else if (i.tm.opcode_modifier.vexvvvv == VEXLWP) |
f88c9eb0 SP |
8412 | { |
8413 | i.vex.register_specifier = i.op[2].regs; | |
8414 | if (!i.mem_operands) | |
8415 | { | |
8416 | i.rm.mode = 3; | |
8417 | i.rm.regmem = i.op[1].regs->reg_num; | |
8418 | if ((i.op[1].regs->reg_flags & RegRex) != 0) | |
8419 | i.rex |= REX_B; | |
8420 | } | |
8421 | } | |
29b0f896 AM |
8422 | /* Fill in i.rm.reg or i.rm.regmem field with register operand |
8423 | (if any) based on i.tm.extension_opcode. Again, we must be | |
8424 | careful to make sure that segment/control/debug/test/MMX | |
8425 | registers are coded into the i.rm.reg field. */ | |
f88c9eb0 | 8426 | else if (i.reg_operands) |
29b0f896 | 8427 | { |
99018f42 | 8428 | unsigned int op; |
7ab9ffdd L |
8429 | unsigned int vex_reg = ~0; |
8430 | ||
8431 | for (op = 0; op < i.operands; op++) | |
921eafea L |
8432 | if (i.types[op].bitfield.class == Reg |
8433 | || i.types[op].bitfield.class == RegBND | |
8434 | || i.types[op].bitfield.class == RegMask | |
8435 | || i.types[op].bitfield.class == SReg | |
8436 | || i.types[op].bitfield.class == RegCR | |
8437 | || i.types[op].bitfield.class == RegDR | |
8438 | || i.types[op].bitfield.class == RegTR | |
8439 | || i.types[op].bitfield.class == RegSIMD | |
8440 | || i.types[op].bitfield.class == RegMMX) | |
8441 | break; | |
c0209578 | 8442 | |
7ab9ffdd L |
8443 | if (vex_3_sources) |
8444 | op = dest; | |
2426c15f | 8445 | else if (i.tm.opcode_modifier.vexvvvv == VEXXDS) |
7ab9ffdd L |
8446 | { |
8447 | /* For instructions with VexNDS, the register-only | |
8448 | source operand is encoded in VEX prefix. */ | |
8449 | gas_assert (mem != (unsigned int) ~0); | |
c0f3af97 | 8450 | |
7ab9ffdd | 8451 | if (op > mem) |
c0f3af97 | 8452 | { |
7ab9ffdd L |
8453 | vex_reg = op++; |
8454 | gas_assert (op < i.operands); | |
c0f3af97 L |
8455 | } |
8456 | else | |
c0f3af97 | 8457 | { |
f12dc422 L |
8458 | /* Check register-only source operand when two source |
8459 | operands are swapped. */ | |
8460 | if (!i.tm.operand_types[op].bitfield.baseindex | |
8461 | && i.tm.operand_types[op + 1].bitfield.baseindex) | |
8462 | { | |
8463 | vex_reg = op; | |
8464 | op += 2; | |
8465 | gas_assert (mem == (vex_reg + 1) | |
8466 | && op < i.operands); | |
8467 | } | |
8468 | else | |
8469 | { | |
8470 | vex_reg = op + 1; | |
8471 | gas_assert (vex_reg < i.operands); | |
8472 | } | |
c0f3af97 | 8473 | } |
7ab9ffdd | 8474 | } |
2426c15f | 8475 | else if (i.tm.opcode_modifier.vexvvvv == VEXNDD) |
7ab9ffdd | 8476 | { |
f12dc422 | 8477 | /* For instructions with VexNDD, the register destination |
7ab9ffdd | 8478 | is encoded in VEX prefix. */ |
f12dc422 L |
8479 | if (i.mem_operands == 0) |
8480 | { | |
8481 | /* There is no memory operand. */ | |
8482 | gas_assert ((op + 2) == i.operands); | |
8483 | vex_reg = op + 1; | |
8484 | } | |
8485 | else | |
8d63c93e | 8486 | { |
ed438a93 JB |
8487 | /* There are only 2 non-immediate operands. */ |
8488 | gas_assert (op < i.imm_operands + 2 | |
8489 | && i.operands == i.imm_operands + 2); | |
8490 | vex_reg = i.imm_operands + 1; | |
f12dc422 | 8491 | } |
7ab9ffdd L |
8492 | } |
8493 | else | |
8494 | gas_assert (op < i.operands); | |
99018f42 | 8495 | |
7ab9ffdd L |
8496 | if (vex_reg != (unsigned int) ~0) |
8497 | { | |
f12dc422 | 8498 | i386_operand_type *type = &i.tm.operand_types[vex_reg]; |
7ab9ffdd | 8499 | |
bab6aec1 | 8500 | if ((type->bitfield.class != Reg |
dc821c5f | 8501 | || (!type->bitfield.dword && !type->bitfield.qword)) |
3528c362 | 8502 | && type->bitfield.class != RegSIMD |
43234a1e | 8503 | && !operand_type_equal (type, ®mask)) |
7ab9ffdd | 8504 | abort (); |
f88c9eb0 | 8505 | |
7ab9ffdd L |
8506 | i.vex.register_specifier = i.op[vex_reg].regs; |
8507 | } | |
8508 | ||
1b9f0c97 L |
8509 | /* Don't set OP operand twice. */ |
8510 | if (vex_reg != op) | |
7ab9ffdd | 8511 | { |
1b9f0c97 L |
8512 | /* If there is an extension opcode to put here, the |
8513 | register number must be put into the regmem field. */ | |
8514 | if (i.tm.extension_opcode != None) | |
8515 | { | |
8516 | i.rm.regmem = i.op[op].regs->reg_num; | |
a5aeccd9 JB |
8517 | set_rex_vrex (i.op[op].regs, REX_B, |
8518 | i.tm.opcode_modifier.sse2avx); | |
1b9f0c97 L |
8519 | } |
8520 | else | |
8521 | { | |
8522 | i.rm.reg = i.op[op].regs->reg_num; | |
a5aeccd9 JB |
8523 | set_rex_vrex (i.op[op].regs, REX_R, |
8524 | i.tm.opcode_modifier.sse2avx); | |
1b9f0c97 | 8525 | } |
7ab9ffdd | 8526 | } |
252b5132 | 8527 | |
29b0f896 AM |
8528 | /* Now, if no memory operand has set i.rm.mode = 0, 1, 2 we |
8529 | must set it to 3 to indicate this is a register operand | |
8530 | in the regmem field. */ | |
8531 | if (!i.mem_operands) | |
8532 | i.rm.mode = 3; | |
8533 | } | |
252b5132 | 8534 | |
29b0f896 | 8535 | /* Fill in i.rm.reg field with extension opcode (if any). */ |
c1e679ec | 8536 | if (i.tm.extension_opcode != None) |
29b0f896 AM |
8537 | i.rm.reg = i.tm.extension_opcode; |
8538 | } | |
8539 | return default_seg; | |
8540 | } | |
252b5132 | 8541 | |
48ef937e JB |
8542 | static INLINE void |
8543 | frag_opcode_byte (unsigned char byte) | |
8544 | { | |
8545 | if (now_seg != absolute_section) | |
8546 | FRAG_APPEND_1_CHAR (byte); | |
8547 | else | |
8548 | ++abs_section_offset; | |
8549 | } | |
8550 | ||
376cd056 JB |
8551 | static unsigned int |
8552 | flip_code16 (unsigned int code16) | |
8553 | { | |
8554 | gas_assert (i.tm.operands == 1); | |
8555 | ||
8556 | return !(i.prefix[REX_PREFIX] & REX_W) | |
8557 | && (code16 ? i.tm.operand_types[0].bitfield.disp32 | |
8558 | || i.tm.operand_types[0].bitfield.disp32s | |
8559 | : i.tm.operand_types[0].bitfield.disp16) | |
8560 | ? CODE16 : 0; | |
8561 | } | |
8562 | ||
29b0f896 | 8563 | static void |
e3bb37b5 | 8564 | output_branch (void) |
29b0f896 AM |
8565 | { |
8566 | char *p; | |
f8a5c266 | 8567 | int size; |
29b0f896 AM |
8568 | int code16; |
8569 | int prefix; | |
8570 | relax_substateT subtype; | |
8571 | symbolS *sym; | |
8572 | offsetT off; | |
8573 | ||
48ef937e JB |
8574 | if (now_seg == absolute_section) |
8575 | { | |
8576 | as_bad (_("relaxable branches not supported in absolute section")); | |
8577 | return; | |
8578 | } | |
8579 | ||
f8a5c266 | 8580 | code16 = flag_code == CODE_16BIT ? CODE16 : 0; |
a501d77e | 8581 | size = i.disp_encoding == disp_encoding_32bit ? BIG : SMALL; |
29b0f896 AM |
8582 | |
8583 | prefix = 0; | |
8584 | if (i.prefix[DATA_PREFIX] != 0) | |
252b5132 | 8585 | { |
29b0f896 AM |
8586 | prefix = 1; |
8587 | i.prefixes -= 1; | |
376cd056 | 8588 | code16 ^= flip_code16(code16); |
252b5132 | 8589 | } |
29b0f896 AM |
8590 | /* Pentium4 branch hints. */ |
8591 | if (i.prefix[SEG_PREFIX] == CS_PREFIX_OPCODE /* not taken */ | |
8592 | || i.prefix[SEG_PREFIX] == DS_PREFIX_OPCODE /* taken */) | |
2f66722d | 8593 | { |
29b0f896 AM |
8594 | prefix++; |
8595 | i.prefixes--; | |
8596 | } | |
8597 | if (i.prefix[REX_PREFIX] != 0) | |
8598 | { | |
8599 | prefix++; | |
8600 | i.prefixes--; | |
2f66722d AM |
8601 | } |
8602 | ||
7e8b059b L |
8603 | /* BND prefixed jump. */ |
8604 | if (i.prefix[BND_PREFIX] != 0) | |
8605 | { | |
6cb0a70e JB |
8606 | prefix++; |
8607 | i.prefixes--; | |
7e8b059b L |
8608 | } |
8609 | ||
f2810fe0 JB |
8610 | if (i.prefixes != 0) |
8611 | as_warn (_("skipping prefixes on `%s'"), i.tm.name); | |
29b0f896 AM |
8612 | |
8613 | /* It's always a symbol; End frag & setup for relax. | |
8614 | Make sure there is enough room in this frag for the largest | |
8615 | instruction we may generate in md_convert_frag. This is 2 | |
8616 | bytes for the opcode and room for the prefix and largest | |
8617 | displacement. */ | |
8618 | frag_grow (prefix + 2 + 4); | |
8619 | /* Prefix and 1 opcode byte go in fr_fix. */ | |
8620 | p = frag_more (prefix + 1); | |
8621 | if (i.prefix[DATA_PREFIX] != 0) | |
8622 | *p++ = DATA_PREFIX_OPCODE; | |
8623 | if (i.prefix[SEG_PREFIX] == CS_PREFIX_OPCODE | |
8624 | || i.prefix[SEG_PREFIX] == DS_PREFIX_OPCODE) | |
8625 | *p++ = i.prefix[SEG_PREFIX]; | |
6cb0a70e JB |
8626 | if (i.prefix[BND_PREFIX] != 0) |
8627 | *p++ = BND_PREFIX_OPCODE; | |
29b0f896 AM |
8628 | if (i.prefix[REX_PREFIX] != 0) |
8629 | *p++ = i.prefix[REX_PREFIX]; | |
8630 | *p = i.tm.base_opcode; | |
8631 | ||
8632 | if ((unsigned char) *p == JUMP_PC_RELATIVE) | |
f8a5c266 | 8633 | subtype = ENCODE_RELAX_STATE (UNCOND_JUMP, size); |
40fb9820 | 8634 | else if (cpu_arch_flags.bitfield.cpui386) |
f8a5c266 | 8635 | subtype = ENCODE_RELAX_STATE (COND_JUMP, size); |
29b0f896 | 8636 | else |
f8a5c266 | 8637 | subtype = ENCODE_RELAX_STATE (COND_JUMP86, size); |
29b0f896 | 8638 | subtype |= code16; |
3e73aa7c | 8639 | |
29b0f896 AM |
8640 | sym = i.op[0].disps->X_add_symbol; |
8641 | off = i.op[0].disps->X_add_number; | |
3e73aa7c | 8642 | |
29b0f896 AM |
8643 | if (i.op[0].disps->X_op != O_constant |
8644 | && i.op[0].disps->X_op != O_symbol) | |
3e73aa7c | 8645 | { |
29b0f896 AM |
8646 | /* Handle complex expressions. */ |
8647 | sym = make_expr_symbol (i.op[0].disps); | |
8648 | off = 0; | |
8649 | } | |
3e73aa7c | 8650 | |
29b0f896 AM |
8651 | /* 1 possible extra opcode + 4 byte displacement go in var part. |
8652 | Pass reloc in fr_var. */ | |
d258b828 | 8653 | frag_var (rs_machine_dependent, 5, i.reloc[0], subtype, sym, off, p); |
29b0f896 | 8654 | } |
3e73aa7c | 8655 | |
bd7ab16b L |
8656 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8657 | /* Return TRUE iff PLT32 relocation should be used for branching to | |
8658 | symbol S. */ | |
8659 | ||
5b7c81bd | 8660 | static bool |
bd7ab16b L |
8661 | need_plt32_p (symbolS *s) |
8662 | { | |
8663 | /* PLT32 relocation is ELF only. */ | |
8664 | if (!IS_ELF) | |
5b7c81bd | 8665 | return false; |
bd7ab16b | 8666 | |
a5def729 RO |
8667 | #ifdef TE_SOLARIS |
8668 | /* Don't emit PLT32 relocation on Solaris: neither native linker nor | |
8669 | krtld support it. */ | |
5b7c81bd | 8670 | return false; |
a5def729 RO |
8671 | #endif |
8672 | ||
bd7ab16b L |
8673 | /* Since there is no need to prepare for PLT branch on x86-64, we |
8674 | can generate R_X86_64_PLT32, instead of R_X86_64_PC32, which can | |
8675 | be used as a marker for 32-bit PC-relative branches. */ | |
8676 | if (!object_64bit) | |
5b7c81bd | 8677 | return false; |
bd7ab16b | 8678 | |
44365e88 | 8679 | if (s == NULL) |
5b7c81bd | 8680 | return false; |
44365e88 | 8681 | |
bd7ab16b L |
8682 | /* Weak or undefined symbol need PLT32 relocation. */ |
8683 | if (S_IS_WEAK (s) || !S_IS_DEFINED (s)) | |
5b7c81bd | 8684 | return true; |
bd7ab16b L |
8685 | |
8686 | /* Non-global symbol doesn't need PLT32 relocation. */ | |
8687 | if (! S_IS_EXTERNAL (s)) | |
5b7c81bd | 8688 | return false; |
bd7ab16b L |
8689 | |
8690 | /* Other global symbols need PLT32 relocation. NB: Symbol with | |
8691 | non-default visibilities are treated as normal global symbol | |
8692 | so that PLT32 relocation can be used as a marker for 32-bit | |
8693 | PC-relative branches. It is useful for linker relaxation. */ | |
5b7c81bd | 8694 | return true; |
bd7ab16b L |
8695 | } |
8696 | #endif | |
8697 | ||
29b0f896 | 8698 | static void |
e3bb37b5 | 8699 | output_jump (void) |
29b0f896 AM |
8700 | { |
8701 | char *p; | |
8702 | int size; | |
3e02c1cc | 8703 | fixS *fixP; |
bd7ab16b | 8704 | bfd_reloc_code_real_type jump_reloc = i.reloc[0]; |
29b0f896 | 8705 | |
0cfa3eb3 | 8706 | if (i.tm.opcode_modifier.jump == JUMP_BYTE) |
29b0f896 AM |
8707 | { |
8708 | /* This is a loop or jecxz type instruction. */ | |
8709 | size = 1; | |
8710 | if (i.prefix[ADDR_PREFIX] != 0) | |
8711 | { | |
48ef937e | 8712 | frag_opcode_byte (ADDR_PREFIX_OPCODE); |
29b0f896 AM |
8713 | i.prefixes -= 1; |
8714 | } | |
8715 | /* Pentium4 branch hints. */ | |
8716 | if (i.prefix[SEG_PREFIX] == CS_PREFIX_OPCODE /* not taken */ | |
8717 | || i.prefix[SEG_PREFIX] == DS_PREFIX_OPCODE /* taken */) | |
8718 | { | |
48ef937e | 8719 | frag_opcode_byte (i.prefix[SEG_PREFIX]); |
29b0f896 | 8720 | i.prefixes--; |
3e73aa7c JH |
8721 | } |
8722 | } | |
29b0f896 AM |
8723 | else |
8724 | { | |
8725 | int code16; | |
3e73aa7c | 8726 | |
29b0f896 AM |
8727 | code16 = 0; |
8728 | if (flag_code == CODE_16BIT) | |
8729 | code16 = CODE16; | |
3e73aa7c | 8730 | |
29b0f896 AM |
8731 | if (i.prefix[DATA_PREFIX] != 0) |
8732 | { | |
48ef937e | 8733 | frag_opcode_byte (DATA_PREFIX_OPCODE); |
29b0f896 | 8734 | i.prefixes -= 1; |
376cd056 | 8735 | code16 ^= flip_code16(code16); |
29b0f896 | 8736 | } |
252b5132 | 8737 | |
29b0f896 AM |
8738 | size = 4; |
8739 | if (code16) | |
8740 | size = 2; | |
8741 | } | |
9fcc94b6 | 8742 | |
6cb0a70e JB |
8743 | /* BND prefixed jump. */ |
8744 | if (i.prefix[BND_PREFIX] != 0) | |
29b0f896 | 8745 | { |
48ef937e | 8746 | frag_opcode_byte (i.prefix[BND_PREFIX]); |
29b0f896 AM |
8747 | i.prefixes -= 1; |
8748 | } | |
252b5132 | 8749 | |
6cb0a70e | 8750 | if (i.prefix[REX_PREFIX] != 0) |
7e8b059b | 8751 | { |
48ef937e | 8752 | frag_opcode_byte (i.prefix[REX_PREFIX]); |
7e8b059b L |
8753 | i.prefixes -= 1; |
8754 | } | |
8755 | ||
f2810fe0 JB |
8756 | if (i.prefixes != 0) |
8757 | as_warn (_("skipping prefixes on `%s'"), i.tm.name); | |
e0890092 | 8758 | |
48ef937e JB |
8759 | if (now_seg == absolute_section) |
8760 | { | |
9a182d04 | 8761 | abs_section_offset += i.opcode_length + size; |
48ef937e JB |
8762 | return; |
8763 | } | |
8764 | ||
9a182d04 JB |
8765 | p = frag_more (i.opcode_length + size); |
8766 | switch (i.opcode_length) | |
42164a71 L |
8767 | { |
8768 | case 2: | |
8769 | *p++ = i.tm.base_opcode >> 8; | |
1a0670f3 | 8770 | /* Fall through. */ |
42164a71 L |
8771 | case 1: |
8772 | *p++ = i.tm.base_opcode; | |
8773 | break; | |
8774 | default: | |
8775 | abort (); | |
8776 | } | |
e0890092 | 8777 | |
bd7ab16b L |
8778 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8779 | if (size == 4 | |
8780 | && jump_reloc == NO_RELOC | |
8781 | && need_plt32_p (i.op[0].disps->X_add_symbol)) | |
8782 | jump_reloc = BFD_RELOC_X86_64_PLT32; | |
8783 | #endif | |
8784 | ||
8785 | jump_reloc = reloc (size, 1, 1, jump_reloc); | |
8786 | ||
3e02c1cc | 8787 | fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, size, |
bd7ab16b | 8788 | i.op[0].disps, 1, jump_reloc); |
3e02c1cc AM |
8789 | |
8790 | /* All jumps handled here are signed, but don't use a signed limit | |
8791 | check for 32 and 16 bit jumps as we want to allow wrap around at | |
8792 | 4G and 64k respectively. */ | |
8793 | if (size == 1) | |
8794 | fixP->fx_signed = 1; | |
29b0f896 | 8795 | } |
e0890092 | 8796 | |
29b0f896 | 8797 | static void |
e3bb37b5 | 8798 | output_interseg_jump (void) |
29b0f896 AM |
8799 | { |
8800 | char *p; | |
8801 | int size; | |
8802 | int prefix; | |
8803 | int code16; | |
252b5132 | 8804 | |
29b0f896 AM |
8805 | code16 = 0; |
8806 | if (flag_code == CODE_16BIT) | |
8807 | code16 = CODE16; | |
a217f122 | 8808 | |
29b0f896 AM |
8809 | prefix = 0; |
8810 | if (i.prefix[DATA_PREFIX] != 0) | |
8811 | { | |
8812 | prefix = 1; | |
8813 | i.prefixes -= 1; | |
8814 | code16 ^= CODE16; | |
8815 | } | |
6cb0a70e JB |
8816 | |
8817 | gas_assert (!i.prefix[REX_PREFIX]); | |
252b5132 | 8818 | |
29b0f896 AM |
8819 | size = 4; |
8820 | if (code16) | |
8821 | size = 2; | |
252b5132 | 8822 | |
f2810fe0 JB |
8823 | if (i.prefixes != 0) |
8824 | as_warn (_("skipping prefixes on `%s'"), i.tm.name); | |
252b5132 | 8825 | |
48ef937e JB |
8826 | if (now_seg == absolute_section) |
8827 | { | |
8828 | abs_section_offset += prefix + 1 + 2 + size; | |
8829 | return; | |
8830 | } | |
8831 | ||
29b0f896 AM |
8832 | /* 1 opcode; 2 segment; offset */ |
8833 | p = frag_more (prefix + 1 + 2 + size); | |
3e73aa7c | 8834 | |
29b0f896 AM |
8835 | if (i.prefix[DATA_PREFIX] != 0) |
8836 | *p++ = DATA_PREFIX_OPCODE; | |
252b5132 | 8837 | |
29b0f896 AM |
8838 | if (i.prefix[REX_PREFIX] != 0) |
8839 | *p++ = i.prefix[REX_PREFIX]; | |
252b5132 | 8840 | |
29b0f896 AM |
8841 | *p++ = i.tm.base_opcode; |
8842 | if (i.op[1].imms->X_op == O_constant) | |
8843 | { | |
8844 | offsetT n = i.op[1].imms->X_add_number; | |
252b5132 | 8845 | |
29b0f896 AM |
8846 | if (size == 2 |
8847 | && !fits_in_unsigned_word (n) | |
8848 | && !fits_in_signed_word (n)) | |
8849 | { | |
8850 | as_bad (_("16-bit jump out of range")); | |
8851 | return; | |
8852 | } | |
8853 | md_number_to_chars (p, n, size); | |
8854 | } | |
8855 | else | |
8856 | fix_new_exp (frag_now, p - frag_now->fr_literal, size, | |
d258b828 | 8857 | i.op[1].imms, 0, reloc (size, 0, 0, i.reloc[1])); |
6d96a594 C |
8858 | |
8859 | p += size; | |
8860 | if (i.op[0].imms->X_op == O_constant) | |
8861 | md_number_to_chars (p, (valueT) i.op[0].imms->X_add_number, 2); | |
8862 | else | |
8863 | fix_new_exp (frag_now, p - frag_now->fr_literal, 2, | |
8864 | i.op[0].imms, 0, reloc (2, 0, 0, i.reloc[0])); | |
29b0f896 | 8865 | } |
a217f122 | 8866 | |
b4a3a7b4 L |
8867 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8868 | void | |
8869 | x86_cleanup (void) | |
8870 | { | |
8871 | char *p; | |
8872 | asection *seg = now_seg; | |
8873 | subsegT subseg = now_subseg; | |
8874 | asection *sec; | |
8875 | unsigned int alignment, align_size_1; | |
8876 | unsigned int isa_1_descsz, feature_2_descsz, descsz; | |
8877 | unsigned int isa_1_descsz_raw, feature_2_descsz_raw; | |
8878 | unsigned int padding; | |
8879 | ||
8880 | if (!IS_ELF || !x86_used_note) | |
8881 | return; | |
8882 | ||
b4a3a7b4 L |
8883 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_X86; |
8884 | ||
8885 | /* The .note.gnu.property section layout: | |
8886 | ||
8887 | Field Length Contents | |
8888 | ---- ---- ---- | |
8889 | n_namsz 4 4 | |
8890 | n_descsz 4 The note descriptor size | |
8891 | n_type 4 NT_GNU_PROPERTY_TYPE_0 | |
8892 | n_name 4 "GNU" | |
8893 | n_desc n_descsz The program property array | |
8894 | .... .... .... | |
8895 | */ | |
8896 | ||
8897 | /* Create the .note.gnu.property section. */ | |
8898 | sec = subseg_new (NOTE_GNU_PROPERTY_SECTION_NAME, 0); | |
fd361982 | 8899 | bfd_set_section_flags (sec, |
b4a3a7b4 L |
8900 | (SEC_ALLOC |
8901 | | SEC_LOAD | |
8902 | | SEC_DATA | |
8903 | | SEC_HAS_CONTENTS | |
8904 | | SEC_READONLY)); | |
8905 | ||
8906 | if (get_elf_backend_data (stdoutput)->s->elfclass == ELFCLASS64) | |
8907 | { | |
8908 | align_size_1 = 7; | |
8909 | alignment = 3; | |
8910 | } | |
8911 | else | |
8912 | { | |
8913 | align_size_1 = 3; | |
8914 | alignment = 2; | |
8915 | } | |
8916 | ||
fd361982 | 8917 | bfd_set_section_alignment (sec, alignment); |
b4a3a7b4 L |
8918 | elf_section_type (sec) = SHT_NOTE; |
8919 | ||
8920 | /* GNU_PROPERTY_X86_ISA_1_USED: 4-byte type + 4-byte data size | |
8921 | + 4-byte data */ | |
8922 | isa_1_descsz_raw = 4 + 4 + 4; | |
8923 | /* Align GNU_PROPERTY_X86_ISA_1_USED. */ | |
8924 | isa_1_descsz = (isa_1_descsz_raw + align_size_1) & ~align_size_1; | |
8925 | ||
8926 | feature_2_descsz_raw = isa_1_descsz; | |
8927 | /* GNU_PROPERTY_X86_FEATURE_2_USED: 4-byte type + 4-byte data size | |
8928 | + 4-byte data */ | |
8929 | feature_2_descsz_raw += 4 + 4 + 4; | |
8930 | /* Align GNU_PROPERTY_X86_FEATURE_2_USED. */ | |
8931 | feature_2_descsz = ((feature_2_descsz_raw + align_size_1) | |
8932 | & ~align_size_1); | |
8933 | ||
8934 | descsz = feature_2_descsz; | |
8935 | /* Section size: n_namsz + n_descsz + n_type + n_name + n_descsz. */ | |
8936 | p = frag_more (4 + 4 + 4 + 4 + descsz); | |
8937 | ||
8938 | /* Write n_namsz. */ | |
8939 | md_number_to_chars (p, (valueT) 4, 4); | |
8940 | ||
8941 | /* Write n_descsz. */ | |
8942 | md_number_to_chars (p + 4, (valueT) descsz, 4); | |
8943 | ||
8944 | /* Write n_type. */ | |
8945 | md_number_to_chars (p + 4 * 2, (valueT) NT_GNU_PROPERTY_TYPE_0, 4); | |
8946 | ||
8947 | /* Write n_name. */ | |
8948 | memcpy (p + 4 * 3, "GNU", 4); | |
8949 | ||
8950 | /* Write 4-byte type. */ | |
8951 | md_number_to_chars (p + 4 * 4, | |
8952 | (valueT) GNU_PROPERTY_X86_ISA_1_USED, 4); | |
8953 | ||
8954 | /* Write 4-byte data size. */ | |
8955 | md_number_to_chars (p + 4 * 5, (valueT) 4, 4); | |
8956 | ||
8957 | /* Write 4-byte data. */ | |
8958 | md_number_to_chars (p + 4 * 6, (valueT) x86_isa_1_used, 4); | |
8959 | ||
8960 | /* Zero out paddings. */ | |
8961 | padding = isa_1_descsz - isa_1_descsz_raw; | |
8962 | if (padding) | |
8963 | memset (p + 4 * 7, 0, padding); | |
8964 | ||
8965 | /* Write 4-byte type. */ | |
8966 | md_number_to_chars (p + isa_1_descsz + 4 * 4, | |
8967 | (valueT) GNU_PROPERTY_X86_FEATURE_2_USED, 4); | |
8968 | ||
8969 | /* Write 4-byte data size. */ | |
8970 | md_number_to_chars (p + isa_1_descsz + 4 * 5, (valueT) 4, 4); | |
8971 | ||
8972 | /* Write 4-byte data. */ | |
8973 | md_number_to_chars (p + isa_1_descsz + 4 * 6, | |
8974 | (valueT) x86_feature_2_used, 4); | |
8975 | ||
8976 | /* Zero out paddings. */ | |
8977 | padding = feature_2_descsz - feature_2_descsz_raw; | |
8978 | if (padding) | |
8979 | memset (p + isa_1_descsz + 4 * 7, 0, padding); | |
8980 | ||
8981 | /* We probably can't restore the current segment, for there likely | |
8982 | isn't one yet... */ | |
8983 | if (seg && subseg) | |
8984 | subseg_set (seg, subseg); | |
8985 | } | |
8986 | #endif | |
8987 | ||
9c33702b JB |
8988 | static unsigned int |
8989 | encoding_length (const fragS *start_frag, offsetT start_off, | |
8990 | const char *frag_now_ptr) | |
8991 | { | |
8992 | unsigned int len = 0; | |
8993 | ||
8994 | if (start_frag != frag_now) | |
8995 | { | |
8996 | const fragS *fr = start_frag; | |
8997 | ||
8998 | do { | |
8999 | len += fr->fr_fix; | |
9000 | fr = fr->fr_next; | |
9001 | } while (fr && fr != frag_now); | |
9002 | } | |
9003 | ||
9004 | return len - start_off + (frag_now_ptr - frag_now->fr_literal); | |
9005 | } | |
9006 | ||
e379e5f3 | 9007 | /* Return 1 for test, and, cmp, add, sub, inc and dec which may |
79d72f45 HL |
9008 | be macro-fused with conditional jumps. |
9009 | NB: If TEST/AND/CMP/ADD/SUB/INC/DEC is of RIP relative address, | |
9010 | or is one of the following format: | |
9011 | ||
9012 | cmp m, imm | |
9013 | add m, imm | |
9014 | sub m, imm | |
9015 | test m, imm | |
9016 | and m, imm | |
9017 | inc m | |
9018 | dec m | |
9019 | ||
9020 | it is unfusible. */ | |
e379e5f3 L |
9021 | |
9022 | static int | |
79d72f45 | 9023 | maybe_fused_with_jcc_p (enum mf_cmp_kind* mf_cmp_p) |
e379e5f3 L |
9024 | { |
9025 | /* No RIP address. */ | |
9026 | if (i.base_reg && i.base_reg->reg_num == RegIP) | |
9027 | return 0; | |
9028 | ||
389d00a5 JB |
9029 | /* No opcodes outside of base encoding space. */ |
9030 | if (i.tm.opcode_modifier.opcodespace != SPACE_BASE) | |
e379e5f3 L |
9031 | return 0; |
9032 | ||
79d72f45 HL |
9033 | /* add, sub without add/sub m, imm. */ |
9034 | if (i.tm.base_opcode <= 5 | |
e379e5f3 L |
9035 | || (i.tm.base_opcode >= 0x28 && i.tm.base_opcode <= 0x2d) |
9036 | || ((i.tm.base_opcode | 3) == 0x83 | |
79d72f45 | 9037 | && (i.tm.extension_opcode == 0x5 |
e379e5f3 | 9038 | || i.tm.extension_opcode == 0x0))) |
79d72f45 HL |
9039 | { |
9040 | *mf_cmp_p = mf_cmp_alu_cmp; | |
9041 | return !(i.mem_operands && i.imm_operands); | |
9042 | } | |
e379e5f3 | 9043 | |
79d72f45 HL |
9044 | /* and without and m, imm. */ |
9045 | if ((i.tm.base_opcode >= 0x20 && i.tm.base_opcode <= 0x25) | |
9046 | || ((i.tm.base_opcode | 3) == 0x83 | |
9047 | && i.tm.extension_opcode == 0x4)) | |
9048 | { | |
9049 | *mf_cmp_p = mf_cmp_test_and; | |
9050 | return !(i.mem_operands && i.imm_operands); | |
9051 | } | |
9052 | ||
9053 | /* test without test m imm. */ | |
e379e5f3 L |
9054 | if ((i.tm.base_opcode | 1) == 0x85 |
9055 | || (i.tm.base_opcode | 1) == 0xa9 | |
9056 | || ((i.tm.base_opcode | 1) == 0xf7 | |
79d72f45 HL |
9057 | && i.tm.extension_opcode == 0)) |
9058 | { | |
9059 | *mf_cmp_p = mf_cmp_test_and; | |
9060 | return !(i.mem_operands && i.imm_operands); | |
9061 | } | |
9062 | ||
9063 | /* cmp without cmp m, imm. */ | |
9064 | if ((i.tm.base_opcode >= 0x38 && i.tm.base_opcode <= 0x3d) | |
e379e5f3 L |
9065 | || ((i.tm.base_opcode | 3) == 0x83 |
9066 | && (i.tm.extension_opcode == 0x7))) | |
79d72f45 HL |
9067 | { |
9068 | *mf_cmp_p = mf_cmp_alu_cmp; | |
9069 | return !(i.mem_operands && i.imm_operands); | |
9070 | } | |
e379e5f3 | 9071 | |
79d72f45 | 9072 | /* inc, dec without inc/dec m. */ |
e379e5f3 L |
9073 | if ((i.tm.cpu_flags.bitfield.cpuno64 |
9074 | && (i.tm.base_opcode | 0xf) == 0x4f) | |
9075 | || ((i.tm.base_opcode | 1) == 0xff | |
9076 | && i.tm.extension_opcode <= 0x1)) | |
79d72f45 HL |
9077 | { |
9078 | *mf_cmp_p = mf_cmp_incdec; | |
9079 | return !i.mem_operands; | |
9080 | } | |
e379e5f3 L |
9081 | |
9082 | return 0; | |
9083 | } | |
9084 | ||
9085 | /* Return 1 if a FUSED_JCC_PADDING frag should be generated. */ | |
9086 | ||
9087 | static int | |
79d72f45 | 9088 | add_fused_jcc_padding_frag_p (enum mf_cmp_kind* mf_cmp_p) |
e379e5f3 L |
9089 | { |
9090 | /* NB: Don't work with COND_JUMP86 without i386. */ | |
9091 | if (!align_branch_power | |
9092 | || now_seg == absolute_section | |
9093 | || !cpu_arch_flags.bitfield.cpui386 | |
9094 | || !(align_branch & align_branch_fused_bit)) | |
9095 | return 0; | |
9096 | ||
79d72f45 | 9097 | if (maybe_fused_with_jcc_p (mf_cmp_p)) |
e379e5f3 L |
9098 | { |
9099 | if (last_insn.kind == last_insn_other | |
9100 | || last_insn.seg != now_seg) | |
9101 | return 1; | |
9102 | if (flag_debug) | |
9103 | as_warn_where (last_insn.file, last_insn.line, | |
9104 | _("`%s` skips -malign-branch-boundary on `%s`"), | |
9105 | last_insn.name, i.tm.name); | |
9106 | } | |
9107 | ||
9108 | return 0; | |
9109 | } | |
9110 | ||
9111 | /* Return 1 if a BRANCH_PREFIX frag should be generated. */ | |
9112 | ||
9113 | static int | |
9114 | add_branch_prefix_frag_p (void) | |
9115 | { | |
9116 | /* NB: Don't work with COND_JUMP86 without i386. Don't add prefix | |
9117 | to PadLock instructions since they include prefixes in opcode. */ | |
9118 | if (!align_branch_power | |
9119 | || !align_branch_prefix_size | |
9120 | || now_seg == absolute_section | |
9121 | || i.tm.cpu_flags.bitfield.cpupadlock | |
9122 | || !cpu_arch_flags.bitfield.cpui386) | |
9123 | return 0; | |
9124 | ||
9125 | /* Don't add prefix if it is a prefix or there is no operand in case | |
9126 | that segment prefix is special. */ | |
9127 | if (!i.operands || i.tm.opcode_modifier.isprefix) | |
9128 | return 0; | |
9129 | ||
9130 | if (last_insn.kind == last_insn_other | |
9131 | || last_insn.seg != now_seg) | |
9132 | return 1; | |
9133 | ||
9134 | if (flag_debug) | |
9135 | as_warn_where (last_insn.file, last_insn.line, | |
9136 | _("`%s` skips -malign-branch-boundary on `%s`"), | |
9137 | last_insn.name, i.tm.name); | |
9138 | ||
9139 | return 0; | |
9140 | } | |
9141 | ||
9142 | /* Return 1 if a BRANCH_PADDING frag should be generated. */ | |
9143 | ||
9144 | static int | |
79d72f45 HL |
9145 | add_branch_padding_frag_p (enum align_branch_kind *branch_p, |
9146 | enum mf_jcc_kind *mf_jcc_p) | |
e379e5f3 L |
9147 | { |
9148 | int add_padding; | |
9149 | ||
9150 | /* NB: Don't work with COND_JUMP86 without i386. */ | |
9151 | if (!align_branch_power | |
9152 | || now_seg == absolute_section | |
389d00a5 JB |
9153 | || !cpu_arch_flags.bitfield.cpui386 |
9154 | || i.tm.opcode_modifier.opcodespace != SPACE_BASE) | |
e379e5f3 L |
9155 | return 0; |
9156 | ||
9157 | add_padding = 0; | |
9158 | ||
9159 | /* Check for jcc and direct jmp. */ | |
9160 | if (i.tm.opcode_modifier.jump == JUMP) | |
9161 | { | |
9162 | if (i.tm.base_opcode == JUMP_PC_RELATIVE) | |
9163 | { | |
9164 | *branch_p = align_branch_jmp; | |
9165 | add_padding = align_branch & align_branch_jmp_bit; | |
9166 | } | |
9167 | else | |
9168 | { | |
79d72f45 HL |
9169 | /* Because J<cc> and JN<cc> share same group in macro-fusible table, |
9170 | igore the lowest bit. */ | |
9171 | *mf_jcc_p = (i.tm.base_opcode & 0x0e) >> 1; | |
e379e5f3 L |
9172 | *branch_p = align_branch_jcc; |
9173 | if ((align_branch & align_branch_jcc_bit)) | |
9174 | add_padding = 1; | |
9175 | } | |
9176 | } | |
e379e5f3 L |
9177 | else if ((i.tm.base_opcode | 1) == 0xc3) |
9178 | { | |
9179 | /* Near ret. */ | |
9180 | *branch_p = align_branch_ret; | |
9181 | if ((align_branch & align_branch_ret_bit)) | |
9182 | add_padding = 1; | |
9183 | } | |
9184 | else | |
9185 | { | |
9186 | /* Check for indirect jmp, direct and indirect calls. */ | |
9187 | if (i.tm.base_opcode == 0xe8) | |
9188 | { | |
9189 | /* Direct call. */ | |
9190 | *branch_p = align_branch_call; | |
9191 | if ((align_branch & align_branch_call_bit)) | |
9192 | add_padding = 1; | |
9193 | } | |
9194 | else if (i.tm.base_opcode == 0xff | |
9195 | && (i.tm.extension_opcode == 2 | |
9196 | || i.tm.extension_opcode == 4)) | |
9197 | { | |
9198 | /* Indirect call and jmp. */ | |
9199 | *branch_p = align_branch_indirect; | |
9200 | if ((align_branch & align_branch_indirect_bit)) | |
9201 | add_padding = 1; | |
9202 | } | |
9203 | ||
9204 | if (add_padding | |
9205 | && i.disp_operands | |
9206 | && tls_get_addr | |
9207 | && (i.op[0].disps->X_op == O_symbol | |
9208 | || (i.op[0].disps->X_op == O_subtract | |
9209 | && i.op[0].disps->X_op_symbol == GOT_symbol))) | |
9210 | { | |
9211 | symbolS *s = i.op[0].disps->X_add_symbol; | |
9212 | /* No padding to call to global or undefined tls_get_addr. */ | |
9213 | if ((S_IS_EXTERNAL (s) || !S_IS_DEFINED (s)) | |
9214 | && strcmp (S_GET_NAME (s), tls_get_addr) == 0) | |
9215 | return 0; | |
9216 | } | |
9217 | } | |
9218 | ||
9219 | if (add_padding | |
9220 | && last_insn.kind != last_insn_other | |
9221 | && last_insn.seg == now_seg) | |
9222 | { | |
9223 | if (flag_debug) | |
9224 | as_warn_where (last_insn.file, last_insn.line, | |
9225 | _("`%s` skips -malign-branch-boundary on `%s`"), | |
9226 | last_insn.name, i.tm.name); | |
9227 | return 0; | |
9228 | } | |
9229 | ||
9230 | return add_padding; | |
9231 | } | |
9232 | ||
29b0f896 | 9233 | static void |
e3bb37b5 | 9234 | output_insn (void) |
29b0f896 | 9235 | { |
2bbd9c25 JJ |
9236 | fragS *insn_start_frag; |
9237 | offsetT insn_start_off; | |
e379e5f3 L |
9238 | fragS *fragP = NULL; |
9239 | enum align_branch_kind branch = align_branch_none; | |
79d72f45 HL |
9240 | /* The initializer is arbitrary just to avoid uninitialized error. |
9241 | it's actually either assigned in add_branch_padding_frag_p | |
9242 | or never be used. */ | |
9243 | enum mf_jcc_kind mf_jcc = mf_jcc_jo; | |
2bbd9c25 | 9244 | |
b4a3a7b4 | 9245 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
48ef937e | 9246 | if (IS_ELF && x86_used_note && now_seg != absolute_section) |
b4a3a7b4 | 9247 | { |
32930e4e L |
9248 | if ((i.xstate & xstate_tmm) == xstate_tmm |
9249 | || i.tm.cpu_flags.bitfield.cpuamx_tile) | |
9250 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_TMM; | |
9251 | ||
b4a3a7b4 L |
9252 | if (i.tm.cpu_flags.bitfield.cpu8087 |
9253 | || i.tm.cpu_flags.bitfield.cpu287 | |
9254 | || i.tm.cpu_flags.bitfield.cpu387 | |
9255 | || i.tm.cpu_flags.bitfield.cpu687 | |
9256 | || i.tm.cpu_flags.bitfield.cpufisttp) | |
9257 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_X87; | |
014d61ea | 9258 | |
921eafea | 9259 | if ((i.xstate & xstate_mmx) |
389d00a5 JB |
9260 | || (i.tm.opcode_modifier.opcodespace == SPACE_0F |
9261 | && !is_any_vex_encoding (&i.tm) | |
9262 | && (i.tm.base_opcode == 0x77 /* emms */ | |
9263 | || i.tm.base_opcode == 0x0e /* femms */))) | |
b4a3a7b4 | 9264 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_MMX; |
014d61ea | 9265 | |
32930e4e L |
9266 | if (i.index_reg) |
9267 | { | |
9268 | if (i.index_reg->reg_type.bitfield.zmmword) | |
9269 | i.xstate |= xstate_zmm; | |
9270 | else if (i.index_reg->reg_type.bitfield.ymmword) | |
9271 | i.xstate |= xstate_ymm; | |
9272 | else if (i.index_reg->reg_type.bitfield.xmmword) | |
9273 | i.xstate |= xstate_xmm; | |
9274 | } | |
014d61ea JB |
9275 | |
9276 | /* vzeroall / vzeroupper */ | |
9277 | if (i.tm.base_opcode == 0x77 && i.tm.cpu_flags.bitfield.cpuavx) | |
9278 | i.xstate |= xstate_ymm; | |
9279 | ||
c4694f17 | 9280 | if ((i.xstate & xstate_xmm) |
389d00a5 JB |
9281 | /* ldmxcsr / stmxcsr / vldmxcsr / vstmxcsr */ |
9282 | || (i.tm.base_opcode == 0xae | |
9283 | && (i.tm.cpu_flags.bitfield.cpusse | |
9284 | || i.tm.cpu_flags.bitfield.cpuavx)) | |
c4694f17 TG |
9285 | || i.tm.cpu_flags.bitfield.cpuwidekl |
9286 | || i.tm.cpu_flags.bitfield.cpukl) | |
b4a3a7b4 | 9287 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XMM; |
014d61ea | 9288 | |
921eafea | 9289 | if ((i.xstate & xstate_ymm) == xstate_ymm) |
b4a3a7b4 | 9290 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_YMM; |
921eafea | 9291 | if ((i.xstate & xstate_zmm) == xstate_zmm) |
b4a3a7b4 | 9292 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_ZMM; |
6225c532 | 9293 | if (i.mask.reg || (i.xstate & xstate_mask) == xstate_mask) |
32930e4e | 9294 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_MASK; |
b4a3a7b4 L |
9295 | if (i.tm.cpu_flags.bitfield.cpufxsr) |
9296 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_FXSR; | |
9297 | if (i.tm.cpu_flags.bitfield.cpuxsave) | |
9298 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XSAVE; | |
9299 | if (i.tm.cpu_flags.bitfield.cpuxsaveopt) | |
9300 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XSAVEOPT; | |
9301 | if (i.tm.cpu_flags.bitfield.cpuxsavec) | |
9302 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XSAVEC; | |
b0ab0693 L |
9303 | |
9304 | if (x86_feature_2_used | |
9305 | || i.tm.cpu_flags.bitfield.cpucmov | |
9306 | || i.tm.cpu_flags.bitfield.cpusyscall | |
389d00a5 JB |
9307 | || (i.tm.opcode_modifier.opcodespace == SPACE_0F |
9308 | && i.tm.base_opcode == 0xc7 | |
70e95837 | 9309 | && i.tm.opcode_modifier.opcodeprefix == PREFIX_NONE |
b0ab0693 L |
9310 | && i.tm.extension_opcode == 1) /* cmpxchg8b */) |
9311 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_BASELINE; | |
9312 | if (i.tm.cpu_flags.bitfield.cpusse3 | |
9313 | || i.tm.cpu_flags.bitfield.cpussse3 | |
9314 | || i.tm.cpu_flags.bitfield.cpusse4_1 | |
9315 | || i.tm.cpu_flags.bitfield.cpusse4_2 | |
9316 | || i.tm.cpu_flags.bitfield.cpucx16 | |
9317 | || i.tm.cpu_flags.bitfield.cpupopcnt | |
9318 | /* LAHF-SAHF insns in 64-bit mode. */ | |
9319 | || (flag_code == CODE_64BIT | |
35648716 JB |
9320 | && (i.tm.base_opcode | 1) == 0x9f |
9321 | && i.tm.opcode_modifier.opcodespace == SPACE_BASE)) | |
b0ab0693 L |
9322 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_V2; |
9323 | if (i.tm.cpu_flags.bitfield.cpuavx | |
9324 | || i.tm.cpu_flags.bitfield.cpuavx2 | |
9325 | /* Any VEX encoded insns execpt for CpuAVX512F, CpuAVX512BW, | |
9326 | CpuAVX512DQ, LPW, TBM and AMX. */ | |
9327 | || (i.tm.opcode_modifier.vex | |
9328 | && !i.tm.cpu_flags.bitfield.cpuavx512f | |
9329 | && !i.tm.cpu_flags.bitfield.cpuavx512bw | |
9330 | && !i.tm.cpu_flags.bitfield.cpuavx512dq | |
9331 | && !i.tm.cpu_flags.bitfield.cpulwp | |
9332 | && !i.tm.cpu_flags.bitfield.cputbm | |
9333 | && !(x86_feature_2_used & GNU_PROPERTY_X86_FEATURE_2_TMM)) | |
9334 | || i.tm.cpu_flags.bitfield.cpuf16c | |
9335 | || i.tm.cpu_flags.bitfield.cpufma | |
9336 | || i.tm.cpu_flags.bitfield.cpulzcnt | |
9337 | || i.tm.cpu_flags.bitfield.cpumovbe | |
9338 | || i.tm.cpu_flags.bitfield.cpuxsaves | |
9339 | || (x86_feature_2_used | |
9340 | & (GNU_PROPERTY_X86_FEATURE_2_XSAVE | |
9341 | | GNU_PROPERTY_X86_FEATURE_2_XSAVEOPT | |
9342 | | GNU_PROPERTY_X86_FEATURE_2_XSAVEC)) != 0) | |
9343 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_V3; | |
9344 | if (i.tm.cpu_flags.bitfield.cpuavx512f | |
9345 | || i.tm.cpu_flags.bitfield.cpuavx512bw | |
9346 | || i.tm.cpu_flags.bitfield.cpuavx512dq | |
9347 | || i.tm.cpu_flags.bitfield.cpuavx512vl | |
9348 | /* Any EVEX encoded insns except for AVX512ER, AVX512PF and | |
9349 | VNNIW. */ | |
9350 | || (i.tm.opcode_modifier.evex | |
9351 | && !i.tm.cpu_flags.bitfield.cpuavx512er | |
9352 | && !i.tm.cpu_flags.bitfield.cpuavx512pf | |
9353 | && !i.tm.cpu_flags.bitfield.cpuavx512_4vnniw)) | |
9354 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_V4; | |
b4a3a7b4 L |
9355 | } |
9356 | #endif | |
9357 | ||
29b0f896 AM |
9358 | /* Tie dwarf2 debug info to the address at the start of the insn. |
9359 | We can't do this after the insn has been output as the current | |
9360 | frag may have been closed off. eg. by frag_var. */ | |
9361 | dwarf2_emit_insn (0); | |
9362 | ||
2bbd9c25 JJ |
9363 | insn_start_frag = frag_now; |
9364 | insn_start_off = frag_now_fix (); | |
9365 | ||
79d72f45 | 9366 | if (add_branch_padding_frag_p (&branch, &mf_jcc)) |
e379e5f3 L |
9367 | { |
9368 | char *p; | |
9369 | /* Branch can be 8 bytes. Leave some room for prefixes. */ | |
9370 | unsigned int max_branch_padding_size = 14; | |
9371 | ||
9372 | /* Align section to boundary. */ | |
9373 | record_alignment (now_seg, align_branch_power); | |
9374 | ||
9375 | /* Make room for padding. */ | |
9376 | frag_grow (max_branch_padding_size); | |
9377 | ||
9378 | /* Start of the padding. */ | |
9379 | p = frag_more (0); | |
9380 | ||
9381 | fragP = frag_now; | |
9382 | ||
9383 | frag_var (rs_machine_dependent, max_branch_padding_size, 0, | |
9384 | ENCODE_RELAX_STATE (BRANCH_PADDING, 0), | |
9385 | NULL, 0, p); | |
9386 | ||
79d72f45 | 9387 | fragP->tc_frag_data.mf_type = mf_jcc; |
e379e5f3 L |
9388 | fragP->tc_frag_data.branch_type = branch; |
9389 | fragP->tc_frag_data.max_bytes = max_branch_padding_size; | |
9390 | } | |
9391 | ||
29b0f896 | 9392 | /* Output jumps. */ |
0cfa3eb3 | 9393 | if (i.tm.opcode_modifier.jump == JUMP) |
29b0f896 | 9394 | output_branch (); |
0cfa3eb3 JB |
9395 | else if (i.tm.opcode_modifier.jump == JUMP_BYTE |
9396 | || i.tm.opcode_modifier.jump == JUMP_DWORD) | |
29b0f896 | 9397 | output_jump (); |
0cfa3eb3 | 9398 | else if (i.tm.opcode_modifier.jump == JUMP_INTERSEGMENT) |
29b0f896 AM |
9399 | output_interseg_jump (); |
9400 | else | |
9401 | { | |
9402 | /* Output normal instructions here. */ | |
9403 | char *p; | |
9404 | unsigned char *q; | |
47465058 | 9405 | unsigned int j; |
79d72f45 | 9406 | enum mf_cmp_kind mf_cmp; |
4dffcebc | 9407 | |
e4e00185 | 9408 | if (avoid_fence |
389d00a5 JB |
9409 | && (i.tm.base_opcode == 0xaee8 |
9410 | || i.tm.base_opcode == 0xaef0 | |
9411 | || i.tm.base_opcode == 0xaef8)) | |
48ef937e JB |
9412 | { |
9413 | /* Encode lfence, mfence, and sfence as | |
9414 | f0 83 04 24 00 lock addl $0x0, (%{re}sp). */ | |
9415 | if (now_seg != absolute_section) | |
9416 | { | |
9417 | offsetT val = 0x240483f0ULL; | |
9418 | ||
9419 | p = frag_more (5); | |
9420 | md_number_to_chars (p, val, 5); | |
9421 | } | |
9422 | else | |
9423 | abs_section_offset += 5; | |
9424 | return; | |
9425 | } | |
e4e00185 | 9426 | |
d022bddd IT |
9427 | /* Some processors fail on LOCK prefix. This options makes |
9428 | assembler ignore LOCK prefix and serves as a workaround. */ | |
9429 | if (omit_lock_prefix) | |
9430 | { | |
35648716 JB |
9431 | if (i.tm.base_opcode == LOCK_PREFIX_OPCODE |
9432 | && i.tm.opcode_modifier.isprefix) | |
d022bddd IT |
9433 | return; |
9434 | i.prefix[LOCK_PREFIX] = 0; | |
9435 | } | |
9436 | ||
e379e5f3 L |
9437 | if (branch) |
9438 | /* Skip if this is a branch. */ | |
9439 | ; | |
79d72f45 | 9440 | else if (add_fused_jcc_padding_frag_p (&mf_cmp)) |
e379e5f3 L |
9441 | { |
9442 | /* Make room for padding. */ | |
9443 | frag_grow (MAX_FUSED_JCC_PADDING_SIZE); | |
9444 | p = frag_more (0); | |
9445 | ||
9446 | fragP = frag_now; | |
9447 | ||
9448 | frag_var (rs_machine_dependent, MAX_FUSED_JCC_PADDING_SIZE, 0, | |
9449 | ENCODE_RELAX_STATE (FUSED_JCC_PADDING, 0), | |
9450 | NULL, 0, p); | |
9451 | ||
79d72f45 | 9452 | fragP->tc_frag_data.mf_type = mf_cmp; |
e379e5f3 L |
9453 | fragP->tc_frag_data.branch_type = align_branch_fused; |
9454 | fragP->tc_frag_data.max_bytes = MAX_FUSED_JCC_PADDING_SIZE; | |
9455 | } | |
9456 | else if (add_branch_prefix_frag_p ()) | |
9457 | { | |
9458 | unsigned int max_prefix_size = align_branch_prefix_size; | |
9459 | ||
9460 | /* Make room for padding. */ | |
9461 | frag_grow (max_prefix_size); | |
9462 | p = frag_more (0); | |
9463 | ||
9464 | fragP = frag_now; | |
9465 | ||
9466 | frag_var (rs_machine_dependent, max_prefix_size, 0, | |
9467 | ENCODE_RELAX_STATE (BRANCH_PREFIX, 0), | |
9468 | NULL, 0, p); | |
9469 | ||
9470 | fragP->tc_frag_data.max_bytes = max_prefix_size; | |
9471 | } | |
9472 | ||
43234a1e L |
9473 | /* Since the VEX/EVEX prefix contains the implicit prefix, we |
9474 | don't need the explicit prefix. */ | |
9475 | if (!i.tm.opcode_modifier.vex && !i.tm.opcode_modifier.evex) | |
bc4bd9ab | 9476 | { |
7b47a312 | 9477 | switch (i.tm.opcode_modifier.opcodeprefix) |
bc4bd9ab | 9478 | { |
7b47a312 L |
9479 | case PREFIX_0X66: |
9480 | add_prefix (0x66); | |
9481 | break; | |
9482 | case PREFIX_0XF2: | |
9483 | add_prefix (0xf2); | |
9484 | break; | |
9485 | case PREFIX_0XF3: | |
8b65b895 L |
9486 | if (!i.tm.cpu_flags.bitfield.cpupadlock |
9487 | || (i.prefix[REP_PREFIX] != 0xf3)) | |
9488 | add_prefix (0xf3); | |
c0f3af97 | 9489 | break; |
7b47a312 | 9490 | case PREFIX_NONE: |
9a182d04 | 9491 | switch (i.opcode_length) |
c0f3af97 | 9492 | { |
7b47a312 | 9493 | case 2: |
7b47a312 | 9494 | break; |
9a182d04 | 9495 | case 1: |
7b47a312 | 9496 | /* Check for pseudo prefixes. */ |
9a182d04 JB |
9497 | if (!i.tm.opcode_modifier.isprefix || i.tm.base_opcode) |
9498 | break; | |
7b47a312 L |
9499 | as_bad_where (insn_start_frag->fr_file, |
9500 | insn_start_frag->fr_line, | |
9501 | _("pseudo prefix without instruction")); | |
9502 | return; | |
9503 | default: | |
9504 | abort (); | |
4dffcebc | 9505 | } |
c0f3af97 | 9506 | break; |
c0f3af97 L |
9507 | default: |
9508 | abort (); | |
bc4bd9ab | 9509 | } |
c0f3af97 | 9510 | |
6d19a37a | 9511 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) |
cf61b747 L |
9512 | /* For x32, add a dummy REX_OPCODE prefix for mov/add with |
9513 | R_X86_64_GOTTPOFF relocation so that linker can safely | |
14470f07 L |
9514 | perform IE->LE optimization. A dummy REX_OPCODE prefix |
9515 | is also needed for lea with R_X86_64_GOTPC32_TLSDESC | |
9516 | relocation for GDesc -> IE/LE optimization. */ | |
cf61b747 L |
9517 | if (x86_elf_abi == X86_64_X32_ABI |
9518 | && i.operands == 2 | |
14470f07 L |
9519 | && (i.reloc[0] == BFD_RELOC_X86_64_GOTTPOFF |
9520 | || i.reloc[0] == BFD_RELOC_X86_64_GOTPC32_TLSDESC) | |
cf61b747 L |
9521 | && i.prefix[REX_PREFIX] == 0) |
9522 | add_prefix (REX_OPCODE); | |
6d19a37a | 9523 | #endif |
cf61b747 | 9524 | |
c0f3af97 L |
9525 | /* The prefix bytes. */ |
9526 | for (j = ARRAY_SIZE (i.prefix), q = i.prefix; j > 0; j--, q++) | |
9527 | if (*q) | |
48ef937e | 9528 | frag_opcode_byte (*q); |
0f10071e | 9529 | } |
ae5c1c7b | 9530 | else |
c0f3af97 L |
9531 | { |
9532 | for (j = 0, q = i.prefix; j < ARRAY_SIZE (i.prefix); j++, q++) | |
9533 | if (*q) | |
9534 | switch (j) | |
9535 | { | |
c0f3af97 L |
9536 | case SEG_PREFIX: |
9537 | case ADDR_PREFIX: | |
48ef937e | 9538 | frag_opcode_byte (*q); |
c0f3af97 L |
9539 | break; |
9540 | default: | |
9541 | /* There should be no other prefixes for instructions | |
9542 | with VEX prefix. */ | |
9543 | abort (); | |
9544 | } | |
9545 | ||
43234a1e L |
9546 | /* For EVEX instructions i.vrex should become 0 after |
9547 | build_evex_prefix. For VEX instructions upper 16 registers | |
9548 | aren't available, so VREX should be 0. */ | |
9549 | if (i.vrex) | |
9550 | abort (); | |
c0f3af97 | 9551 | /* Now the VEX prefix. */ |
48ef937e JB |
9552 | if (now_seg != absolute_section) |
9553 | { | |
9554 | p = frag_more (i.vex.length); | |
9555 | for (j = 0; j < i.vex.length; j++) | |
9556 | p[j] = i.vex.bytes[j]; | |
9557 | } | |
9558 | else | |
9559 | abs_section_offset += i.vex.length; | |
c0f3af97 | 9560 | } |
252b5132 | 9561 | |
29b0f896 | 9562 | /* Now the opcode; be careful about word order here! */ |
389d00a5 JB |
9563 | j = i.opcode_length; |
9564 | if (!i.vex.length) | |
9565 | switch (i.tm.opcode_modifier.opcodespace) | |
9566 | { | |
9567 | case SPACE_BASE: | |
9568 | break; | |
9569 | case SPACE_0F: | |
9570 | ++j; | |
9571 | break; | |
9572 | case SPACE_0F38: | |
9573 | case SPACE_0F3A: | |
9574 | j += 2; | |
9575 | break; | |
9576 | default: | |
9577 | abort (); | |
9578 | } | |
9579 | ||
48ef937e | 9580 | if (now_seg == absolute_section) |
389d00a5 JB |
9581 | abs_section_offset += j; |
9582 | else if (j == 1) | |
29b0f896 AM |
9583 | { |
9584 | FRAG_APPEND_1_CHAR (i.tm.base_opcode); | |
9585 | } | |
9586 | else | |
9587 | { | |
389d00a5 JB |
9588 | p = frag_more (j); |
9589 | if (!i.vex.length | |
9590 | && i.tm.opcode_modifier.opcodespace != SPACE_BASE) | |
9591 | { | |
9592 | *p++ = 0x0f; | |
9593 | if (i.tm.opcode_modifier.opcodespace != SPACE_0F) | |
9594 | *p++ = i.tm.opcode_modifier.opcodespace == SPACE_0F38 | |
9595 | ? 0x38 : 0x3a; | |
9596 | } | |
9597 | ||
9a182d04 | 9598 | switch (i.opcode_length) |
331d2d0d | 9599 | { |
4dffcebc | 9600 | case 2: |
389d00a5 JB |
9601 | /* Put out high byte first: can't use md_number_to_chars! */ |
9602 | *p++ = (i.tm.base_opcode >> 8) & 0xff; | |
9603 | /* Fall through. */ | |
9604 | case 1: | |
9605 | *p = i.tm.base_opcode & 0xff; | |
4dffcebc L |
9606 | break; |
9607 | default: | |
9608 | abort (); | |
9609 | break; | |
331d2d0d | 9610 | } |
0f10071e | 9611 | |
29b0f896 | 9612 | } |
3e73aa7c | 9613 | |
29b0f896 | 9614 | /* Now the modrm byte and sib byte (if present). */ |
40fb9820 | 9615 | if (i.tm.opcode_modifier.modrm) |
29b0f896 | 9616 | { |
48ef937e JB |
9617 | frag_opcode_byte ((i.rm.regmem << 0) |
9618 | | (i.rm.reg << 3) | |
9619 | | (i.rm.mode << 6)); | |
29b0f896 AM |
9620 | /* If i.rm.regmem == ESP (4) |
9621 | && i.rm.mode != (Register mode) | |
9622 | && not 16 bit | |
9623 | ==> need second modrm byte. */ | |
9624 | if (i.rm.regmem == ESCAPE_TO_TWO_BYTE_ADDRESSING | |
9625 | && i.rm.mode != 3 | |
dc821c5f | 9626 | && !(i.base_reg && i.base_reg->reg_type.bitfield.word)) |
48ef937e JB |
9627 | frag_opcode_byte ((i.sib.base << 0) |
9628 | | (i.sib.index << 3) | |
9629 | | (i.sib.scale << 6)); | |
29b0f896 | 9630 | } |
3e73aa7c | 9631 | |
29b0f896 | 9632 | if (i.disp_operands) |
2bbd9c25 | 9633 | output_disp (insn_start_frag, insn_start_off); |
3e73aa7c | 9634 | |
29b0f896 | 9635 | if (i.imm_operands) |
2bbd9c25 | 9636 | output_imm (insn_start_frag, insn_start_off); |
9c33702b JB |
9637 | |
9638 | /* | |
9639 | * frag_now_fix () returning plain abs_section_offset when we're in the | |
9640 | * absolute section, and abs_section_offset not getting updated as data | |
9641 | * gets added to the frag breaks the logic below. | |
9642 | */ | |
9643 | if (now_seg != absolute_section) | |
9644 | { | |
9645 | j = encoding_length (insn_start_frag, insn_start_off, frag_more (0)); | |
9646 | if (j > 15) | |
9647 | as_warn (_("instruction length of %u bytes exceeds the limit of 15"), | |
9648 | j); | |
e379e5f3 L |
9649 | else if (fragP) |
9650 | { | |
9651 | /* NB: Don't add prefix with GOTPC relocation since | |
9652 | output_disp() above depends on the fixed encoding | |
9653 | length. Can't add prefix with TLS relocation since | |
9654 | it breaks TLS linker optimization. */ | |
9655 | unsigned int max = i.has_gotpc_tls_reloc ? 0 : 15 - j; | |
9656 | /* Prefix count on the current instruction. */ | |
9657 | unsigned int count = i.vex.length; | |
9658 | unsigned int k; | |
9659 | for (k = 0; k < ARRAY_SIZE (i.prefix); k++) | |
9660 | /* REX byte is encoded in VEX/EVEX prefix. */ | |
9661 | if (i.prefix[k] && (k != REX_PREFIX || !i.vex.length)) | |
9662 | count++; | |
9663 | ||
9664 | /* Count prefixes for extended opcode maps. */ | |
9665 | if (!i.vex.length) | |
389d00a5 | 9666 | switch (i.tm.opcode_modifier.opcodespace) |
e379e5f3 | 9667 | { |
389d00a5 | 9668 | case SPACE_BASE: |
e379e5f3 | 9669 | break; |
389d00a5 JB |
9670 | case SPACE_0F: |
9671 | count++; | |
e379e5f3 | 9672 | break; |
389d00a5 JB |
9673 | case SPACE_0F38: |
9674 | case SPACE_0F3A: | |
9675 | count += 2; | |
e379e5f3 L |
9676 | break; |
9677 | default: | |
9678 | abort (); | |
9679 | } | |
9680 | ||
9681 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) | |
9682 | == BRANCH_PREFIX) | |
9683 | { | |
9684 | /* Set the maximum prefix size in BRANCH_PREFIX | |
9685 | frag. */ | |
9686 | if (fragP->tc_frag_data.max_bytes > max) | |
9687 | fragP->tc_frag_data.max_bytes = max; | |
9688 | if (fragP->tc_frag_data.max_bytes > count) | |
9689 | fragP->tc_frag_data.max_bytes -= count; | |
9690 | else | |
9691 | fragP->tc_frag_data.max_bytes = 0; | |
9692 | } | |
9693 | else | |
9694 | { | |
9695 | /* Remember the maximum prefix size in FUSED_JCC_PADDING | |
9696 | frag. */ | |
9697 | unsigned int max_prefix_size; | |
9698 | if (align_branch_prefix_size > max) | |
9699 | max_prefix_size = max; | |
9700 | else | |
9701 | max_prefix_size = align_branch_prefix_size; | |
9702 | if (max_prefix_size > count) | |
9703 | fragP->tc_frag_data.max_prefix_length | |
9704 | = max_prefix_size - count; | |
9705 | } | |
9706 | ||
9707 | /* Use existing segment prefix if possible. Use CS | |
9708 | segment prefix in 64-bit mode. In 32-bit mode, use SS | |
9709 | segment prefix with ESP/EBP base register and use DS | |
9710 | segment prefix without ESP/EBP base register. */ | |
9711 | if (i.prefix[SEG_PREFIX]) | |
9712 | fragP->tc_frag_data.default_prefix = i.prefix[SEG_PREFIX]; | |
9713 | else if (flag_code == CODE_64BIT) | |
9714 | fragP->tc_frag_data.default_prefix = CS_PREFIX_OPCODE; | |
9715 | else if (i.base_reg | |
9716 | && (i.base_reg->reg_num == 4 | |
9717 | || i.base_reg->reg_num == 5)) | |
9718 | fragP->tc_frag_data.default_prefix = SS_PREFIX_OPCODE; | |
9719 | else | |
9720 | fragP->tc_frag_data.default_prefix = DS_PREFIX_OPCODE; | |
9721 | } | |
9c33702b | 9722 | } |
29b0f896 | 9723 | } |
252b5132 | 9724 | |
e379e5f3 L |
9725 | /* NB: Don't work with COND_JUMP86 without i386. */ |
9726 | if (align_branch_power | |
9727 | && now_seg != absolute_section | |
9728 | && cpu_arch_flags.bitfield.cpui386) | |
9729 | { | |
9730 | /* Terminate each frag so that we can add prefix and check for | |
9731 | fused jcc. */ | |
9732 | frag_wane (frag_now); | |
9733 | frag_new (0); | |
9734 | } | |
9735 | ||
29b0f896 AM |
9736 | #ifdef DEBUG386 |
9737 | if (flag_debug) | |
9738 | { | |
7b81dfbb | 9739 | pi ("" /*line*/, &i); |
29b0f896 AM |
9740 | } |
9741 | #endif /* DEBUG386 */ | |
9742 | } | |
252b5132 | 9743 | |
e205caa7 L |
9744 | /* Return the size of the displacement operand N. */ |
9745 | ||
9746 | static int | |
9747 | disp_size (unsigned int n) | |
9748 | { | |
9749 | int size = 4; | |
43234a1e | 9750 | |
b5014f7a | 9751 | if (i.types[n].bitfield.disp64) |
40fb9820 L |
9752 | size = 8; |
9753 | else if (i.types[n].bitfield.disp8) | |
9754 | size = 1; | |
9755 | else if (i.types[n].bitfield.disp16) | |
9756 | size = 2; | |
e205caa7 L |
9757 | return size; |
9758 | } | |
9759 | ||
9760 | /* Return the size of the immediate operand N. */ | |
9761 | ||
9762 | static int | |
9763 | imm_size (unsigned int n) | |
9764 | { | |
9765 | int size = 4; | |
40fb9820 L |
9766 | if (i.types[n].bitfield.imm64) |
9767 | size = 8; | |
9768 | else if (i.types[n].bitfield.imm8 || i.types[n].bitfield.imm8s) | |
9769 | size = 1; | |
9770 | else if (i.types[n].bitfield.imm16) | |
9771 | size = 2; | |
e205caa7 L |
9772 | return size; |
9773 | } | |
9774 | ||
29b0f896 | 9775 | static void |
64e74474 | 9776 | output_disp (fragS *insn_start_frag, offsetT insn_start_off) |
29b0f896 AM |
9777 | { |
9778 | char *p; | |
9779 | unsigned int n; | |
252b5132 | 9780 | |
29b0f896 AM |
9781 | for (n = 0; n < i.operands; n++) |
9782 | { | |
b5014f7a | 9783 | if (operand_type_check (i.types[n], disp)) |
29b0f896 | 9784 | { |
48ef937e JB |
9785 | int size = disp_size (n); |
9786 | ||
9787 | if (now_seg == absolute_section) | |
9788 | abs_section_offset += size; | |
9789 | else if (i.op[n].disps->X_op == O_constant) | |
29b0f896 | 9790 | { |
43234a1e | 9791 | offsetT val = i.op[n].disps->X_add_number; |
252b5132 | 9792 | |
629cfaf1 JB |
9793 | val = offset_in_range (val >> (size == 1 ? i.memshift : 0), |
9794 | size); | |
29b0f896 AM |
9795 | p = frag_more (size); |
9796 | md_number_to_chars (p, val, size); | |
9797 | } | |
9798 | else | |
9799 | { | |
f86103b7 | 9800 | enum bfd_reloc_code_real reloc_type; |
40fb9820 | 9801 | int sign = i.types[n].bitfield.disp32s; |
29b0f896 | 9802 | int pcrel = (i.flags[n] & Operand_PCrel) != 0; |
02a86693 | 9803 | fixS *fixP; |
29b0f896 | 9804 | |
e205caa7 | 9805 | /* We can't have 8 bit displacement here. */ |
9c2799c2 | 9806 | gas_assert (!i.types[n].bitfield.disp8); |
e205caa7 | 9807 | |
29b0f896 AM |
9808 | /* The PC relative address is computed relative |
9809 | to the instruction boundary, so in case immediate | |
9810 | fields follows, we need to adjust the value. */ | |
9811 | if (pcrel && i.imm_operands) | |
9812 | { | |
29b0f896 | 9813 | unsigned int n1; |
e205caa7 | 9814 | int sz = 0; |
252b5132 | 9815 | |
29b0f896 | 9816 | for (n1 = 0; n1 < i.operands; n1++) |
40fb9820 | 9817 | if (operand_type_check (i.types[n1], imm)) |
252b5132 | 9818 | { |
e205caa7 L |
9819 | /* Only one immediate is allowed for PC |
9820 | relative address. */ | |
9c2799c2 | 9821 | gas_assert (sz == 0); |
e205caa7 L |
9822 | sz = imm_size (n1); |
9823 | i.op[n].disps->X_add_number -= sz; | |
252b5132 | 9824 | } |
29b0f896 | 9825 | /* We should find the immediate. */ |
9c2799c2 | 9826 | gas_assert (sz != 0); |
29b0f896 | 9827 | } |
520dc8e8 | 9828 | |
29b0f896 | 9829 | p = frag_more (size); |
d258b828 | 9830 | reloc_type = reloc (size, pcrel, sign, i.reloc[n]); |
d6ab8113 | 9831 | if (GOT_symbol |
2bbd9c25 | 9832 | && GOT_symbol == i.op[n].disps->X_add_symbol |
d6ab8113 | 9833 | && (((reloc_type == BFD_RELOC_32 |
7b81dfbb AJ |
9834 | || reloc_type == BFD_RELOC_X86_64_32S |
9835 | || (reloc_type == BFD_RELOC_64 | |
9836 | && object_64bit)) | |
d6ab8113 JB |
9837 | && (i.op[n].disps->X_op == O_symbol |
9838 | || (i.op[n].disps->X_op == O_add | |
9839 | && ((symbol_get_value_expression | |
9840 | (i.op[n].disps->X_op_symbol)->X_op) | |
9841 | == O_subtract)))) | |
9842 | || reloc_type == BFD_RELOC_32_PCREL)) | |
2bbd9c25 | 9843 | { |
4fa24527 | 9844 | if (!object_64bit) |
7b81dfbb AJ |
9845 | { |
9846 | reloc_type = BFD_RELOC_386_GOTPC; | |
5b7c81bd | 9847 | i.has_gotpc_tls_reloc = true; |
d583596c JB |
9848 | i.op[n].imms->X_add_number += |
9849 | encoding_length (insn_start_frag, insn_start_off, p); | |
7b81dfbb AJ |
9850 | } |
9851 | else if (reloc_type == BFD_RELOC_64) | |
9852 | reloc_type = BFD_RELOC_X86_64_GOTPC64; | |
d6ab8113 | 9853 | else |
7b81dfbb AJ |
9854 | /* Don't do the adjustment for x86-64, as there |
9855 | the pcrel addressing is relative to the _next_ | |
9856 | insn, and that is taken care of in other code. */ | |
d6ab8113 | 9857 | reloc_type = BFD_RELOC_X86_64_GOTPC32; |
2bbd9c25 | 9858 | } |
e379e5f3 L |
9859 | else if (align_branch_power) |
9860 | { | |
9861 | switch (reloc_type) | |
9862 | { | |
9863 | case BFD_RELOC_386_TLS_GD: | |
9864 | case BFD_RELOC_386_TLS_LDM: | |
9865 | case BFD_RELOC_386_TLS_IE: | |
9866 | case BFD_RELOC_386_TLS_IE_32: | |
9867 | case BFD_RELOC_386_TLS_GOTIE: | |
9868 | case BFD_RELOC_386_TLS_GOTDESC: | |
9869 | case BFD_RELOC_386_TLS_DESC_CALL: | |
9870 | case BFD_RELOC_X86_64_TLSGD: | |
9871 | case BFD_RELOC_X86_64_TLSLD: | |
9872 | case BFD_RELOC_X86_64_GOTTPOFF: | |
9873 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: | |
9874 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
5b7c81bd | 9875 | i.has_gotpc_tls_reloc = true; |
e379e5f3 L |
9876 | default: |
9877 | break; | |
9878 | } | |
9879 | } | |
02a86693 L |
9880 | fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, |
9881 | size, i.op[n].disps, pcrel, | |
9882 | reloc_type); | |
9883 | /* Check for "call/jmp *mem", "mov mem, %reg", | |
9884 | "test %reg, mem" and "binop mem, %reg" where binop | |
9885 | is one of adc, add, and, cmp, or, sbb, sub, xor | |
e60f4d3b L |
9886 | instructions without data prefix. Always generate |
9887 | R_386_GOT32X for "sym*GOT" operand in 32-bit mode. */ | |
9888 | if (i.prefix[DATA_PREFIX] == 0 | |
9889 | && (generate_relax_relocations | |
9890 | || (!object_64bit | |
9891 | && i.rm.mode == 0 | |
9892 | && i.rm.regmem == 5)) | |
0cb4071e L |
9893 | && (i.rm.mode == 2 |
9894 | || (i.rm.mode == 0 && i.rm.regmem == 5)) | |
389d00a5 | 9895 | && i.tm.opcode_modifier.opcodespace == SPACE_BASE |
02a86693 L |
9896 | && ((i.operands == 1 |
9897 | && i.tm.base_opcode == 0xff | |
9898 | && (i.rm.reg == 2 || i.rm.reg == 4)) | |
9899 | || (i.operands == 2 | |
9900 | && (i.tm.base_opcode == 0x8b | |
9901 | || i.tm.base_opcode == 0x85 | |
2ae4c703 | 9902 | || (i.tm.base_opcode & ~0x38) == 0x03)))) |
02a86693 L |
9903 | { |
9904 | if (object_64bit) | |
9905 | { | |
9906 | fixP->fx_tcbit = i.rex != 0; | |
9907 | if (i.base_reg | |
e968fc9b | 9908 | && (i.base_reg->reg_num == RegIP)) |
02a86693 L |
9909 | fixP->fx_tcbit2 = 1; |
9910 | } | |
9911 | else | |
9912 | fixP->fx_tcbit2 = 1; | |
9913 | } | |
29b0f896 AM |
9914 | } |
9915 | } | |
9916 | } | |
9917 | } | |
252b5132 | 9918 | |
29b0f896 | 9919 | static void |
64e74474 | 9920 | output_imm (fragS *insn_start_frag, offsetT insn_start_off) |
29b0f896 AM |
9921 | { |
9922 | char *p; | |
9923 | unsigned int n; | |
252b5132 | 9924 | |
29b0f896 AM |
9925 | for (n = 0; n < i.operands; n++) |
9926 | { | |
43234a1e | 9927 | /* Skip SAE/RC Imm operand in EVEX. They are already handled. */ |
ca5312a2 | 9928 | if (i.rounding.type != rc_none && n == i.rounding.operand) |
43234a1e L |
9929 | continue; |
9930 | ||
40fb9820 | 9931 | if (operand_type_check (i.types[n], imm)) |
29b0f896 | 9932 | { |
48ef937e JB |
9933 | int size = imm_size (n); |
9934 | ||
9935 | if (now_seg == absolute_section) | |
9936 | abs_section_offset += size; | |
9937 | else if (i.op[n].imms->X_op == O_constant) | |
29b0f896 | 9938 | { |
29b0f896 | 9939 | offsetT val; |
b4cac588 | 9940 | |
29b0f896 AM |
9941 | val = offset_in_range (i.op[n].imms->X_add_number, |
9942 | size); | |
9943 | p = frag_more (size); | |
9944 | md_number_to_chars (p, val, size); | |
9945 | } | |
9946 | else | |
9947 | { | |
9948 | /* Not absolute_section. | |
9949 | Need a 32-bit fixup (don't support 8bit | |
9950 | non-absolute imms). Try to support other | |
9951 | sizes ... */ | |
f86103b7 | 9952 | enum bfd_reloc_code_real reloc_type; |
e205caa7 | 9953 | int sign; |
29b0f896 | 9954 | |
40fb9820 | 9955 | if (i.types[n].bitfield.imm32s |
a7d61044 | 9956 | && (i.suffix == QWORD_MNEM_SUFFIX |
40fb9820 | 9957 | || (!i.suffix && i.tm.opcode_modifier.no_lsuf))) |
29b0f896 | 9958 | sign = 1; |
e205caa7 L |
9959 | else |
9960 | sign = 0; | |
520dc8e8 | 9961 | |
29b0f896 | 9962 | p = frag_more (size); |
d258b828 | 9963 | reloc_type = reloc (size, 0, sign, i.reloc[n]); |
f86103b7 | 9964 | |
2bbd9c25 JJ |
9965 | /* This is tough to explain. We end up with this one if we |
9966 | * have operands that look like | |
9967 | * "_GLOBAL_OFFSET_TABLE_+[.-.L284]". The goal here is to | |
9968 | * obtain the absolute address of the GOT, and it is strongly | |
9969 | * preferable from a performance point of view to avoid using | |
9970 | * a runtime relocation for this. The actual sequence of | |
9971 | * instructions often look something like: | |
9972 | * | |
9973 | * call .L66 | |
9974 | * .L66: | |
9975 | * popl %ebx | |
9976 | * addl $_GLOBAL_OFFSET_TABLE_+[.-.L66],%ebx | |
9977 | * | |
9978 | * The call and pop essentially return the absolute address | |
9979 | * of the label .L66 and store it in %ebx. The linker itself | |
9980 | * will ultimately change the first operand of the addl so | |
9981 | * that %ebx points to the GOT, but to keep things simple, the | |
9982 | * .o file must have this operand set so that it generates not | |
9983 | * the absolute address of .L66, but the absolute address of | |
9984 | * itself. This allows the linker itself simply treat a GOTPC | |
9985 | * relocation as asking for a pcrel offset to the GOT to be | |
9986 | * added in, and the addend of the relocation is stored in the | |
9987 | * operand field for the instruction itself. | |
9988 | * | |
9989 | * Our job here is to fix the operand so that it would add | |
9990 | * the correct offset so that %ebx would point to itself. The | |
9991 | * thing that is tricky is that .-.L66 will point to the | |
9992 | * beginning of the instruction, so we need to further modify | |
9993 | * the operand so that it will point to itself. There are | |
9994 | * other cases where you have something like: | |
9995 | * | |
9996 | * .long $_GLOBAL_OFFSET_TABLE_+[.-.L66] | |
9997 | * | |
9998 | * and here no correction would be required. Internally in | |
9999 | * the assembler we treat operands of this form as not being | |
10000 | * pcrel since the '.' is explicitly mentioned, and I wonder | |
10001 | * whether it would simplify matters to do it this way. Who | |
10002 | * knows. In earlier versions of the PIC patches, the | |
10003 | * pcrel_adjust field was used to store the correction, but | |
10004 | * since the expression is not pcrel, I felt it would be | |
10005 | * confusing to do it this way. */ | |
10006 | ||
d6ab8113 | 10007 | if ((reloc_type == BFD_RELOC_32 |
7b81dfbb AJ |
10008 | || reloc_type == BFD_RELOC_X86_64_32S |
10009 | || reloc_type == BFD_RELOC_64) | |
29b0f896 AM |
10010 | && GOT_symbol |
10011 | && GOT_symbol == i.op[n].imms->X_add_symbol | |
10012 | && (i.op[n].imms->X_op == O_symbol | |
10013 | || (i.op[n].imms->X_op == O_add | |
10014 | && ((symbol_get_value_expression | |
10015 | (i.op[n].imms->X_op_symbol)->X_op) | |
10016 | == O_subtract)))) | |
10017 | { | |
4fa24527 | 10018 | if (!object_64bit) |
d6ab8113 | 10019 | reloc_type = BFD_RELOC_386_GOTPC; |
7b81dfbb | 10020 | else if (size == 4) |
d6ab8113 | 10021 | reloc_type = BFD_RELOC_X86_64_GOTPC32; |
7b81dfbb AJ |
10022 | else if (size == 8) |
10023 | reloc_type = BFD_RELOC_X86_64_GOTPC64; | |
5b7c81bd | 10024 | i.has_gotpc_tls_reloc = true; |
d583596c JB |
10025 | i.op[n].imms->X_add_number += |
10026 | encoding_length (insn_start_frag, insn_start_off, p); | |
29b0f896 | 10027 | } |
29b0f896 AM |
10028 | fix_new_exp (frag_now, p - frag_now->fr_literal, size, |
10029 | i.op[n].imms, 0, reloc_type); | |
10030 | } | |
10031 | } | |
10032 | } | |
252b5132 RH |
10033 | } |
10034 | \f | |
d182319b JB |
10035 | /* x86_cons_fix_new is called via the expression parsing code when a |
10036 | reloc is needed. We use this hook to get the correct .got reloc. */ | |
d182319b JB |
10037 | static int cons_sign = -1; |
10038 | ||
10039 | void | |
e3bb37b5 | 10040 | x86_cons_fix_new (fragS *frag, unsigned int off, unsigned int len, |
62ebcb5c | 10041 | expressionS *exp, bfd_reloc_code_real_type r) |
d182319b | 10042 | { |
d258b828 | 10043 | r = reloc (len, 0, cons_sign, r); |
d182319b JB |
10044 | |
10045 | #ifdef TE_PE | |
10046 | if (exp->X_op == O_secrel) | |
10047 | { | |
10048 | exp->X_op = O_symbol; | |
10049 | r = BFD_RELOC_32_SECREL; | |
10050 | } | |
10051 | #endif | |
10052 | ||
10053 | fix_new_exp (frag, off, len, exp, 0, r); | |
10054 | } | |
10055 | ||
357d1bd8 L |
10056 | /* Export the ABI address size for use by TC_ADDRESS_BYTES for the |
10057 | purpose of the `.dc.a' internal pseudo-op. */ | |
10058 | ||
10059 | int | |
10060 | x86_address_bytes (void) | |
10061 | { | |
10062 | if ((stdoutput->arch_info->mach & bfd_mach_x64_32)) | |
10063 | return 4; | |
10064 | return stdoutput->arch_info->bits_per_address / 8; | |
10065 | } | |
10066 | ||
d382c579 TG |
10067 | #if !(defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) || defined (OBJ_MACH_O)) \ |
10068 | || defined (LEX_AT) | |
d258b828 | 10069 | # define lex_got(reloc, adjust, types) NULL |
718ddfc0 | 10070 | #else |
f3c180ae AM |
10071 | /* Parse operands of the form |
10072 | <symbol>@GOTOFF+<nnn> | |
10073 | and similar .plt or .got references. | |
10074 | ||
10075 | If we find one, set up the correct relocation in RELOC and copy the | |
10076 | input string, minus the `@GOTOFF' into a malloc'd buffer for | |
10077 | parsing by the calling routine. Return this buffer, and if ADJUST | |
10078 | is non-null set it to the length of the string we removed from the | |
10079 | input line. Otherwise return NULL. */ | |
10080 | static char * | |
91d6fa6a | 10081 | lex_got (enum bfd_reloc_code_real *rel, |
64e74474 | 10082 | int *adjust, |
d258b828 | 10083 | i386_operand_type *types) |
f3c180ae | 10084 | { |
7b81dfbb AJ |
10085 | /* Some of the relocations depend on the size of what field is to |
10086 | be relocated. But in our callers i386_immediate and i386_displacement | |
10087 | we don't yet know the operand size (this will be set by insn | |
10088 | matching). Hence we record the word32 relocation here, | |
10089 | and adjust the reloc according to the real size in reloc(). */ | |
f3c180ae AM |
10090 | static const struct { |
10091 | const char *str; | |
cff8d58a | 10092 | int len; |
4fa24527 | 10093 | const enum bfd_reloc_code_real rel[2]; |
40fb9820 | 10094 | const i386_operand_type types64; |
5b7c81bd | 10095 | bool need_GOT_symbol; |
f3c180ae | 10096 | } gotrel[] = { |
8ce3d284 | 10097 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8fd4256d L |
10098 | { STRING_COMMA_LEN ("SIZE"), { BFD_RELOC_SIZE32, |
10099 | BFD_RELOC_SIZE32 }, | |
5b7c81bd | 10100 | OPERAND_TYPE_IMM32_64, false }, |
8ce3d284 | 10101 | #endif |
cff8d58a L |
10102 | { STRING_COMMA_LEN ("PLTOFF"), { _dummy_first_bfd_reloc_code_real, |
10103 | BFD_RELOC_X86_64_PLTOFF64 }, | |
5b7c81bd | 10104 | OPERAND_TYPE_IMM64, true }, |
cff8d58a L |
10105 | { STRING_COMMA_LEN ("PLT"), { BFD_RELOC_386_PLT32, |
10106 | BFD_RELOC_X86_64_PLT32 }, | |
5b7c81bd | 10107 | OPERAND_TYPE_IMM32_32S_DISP32, false }, |
cff8d58a L |
10108 | { STRING_COMMA_LEN ("GOTPLT"), { _dummy_first_bfd_reloc_code_real, |
10109 | BFD_RELOC_X86_64_GOTPLT64 }, | |
5b7c81bd | 10110 | OPERAND_TYPE_IMM64_DISP64, true }, |
cff8d58a L |
10111 | { STRING_COMMA_LEN ("GOTOFF"), { BFD_RELOC_386_GOTOFF, |
10112 | BFD_RELOC_X86_64_GOTOFF64 }, | |
5b7c81bd | 10113 | OPERAND_TYPE_IMM64_DISP64, true }, |
cff8d58a L |
10114 | { STRING_COMMA_LEN ("GOTPCREL"), { _dummy_first_bfd_reloc_code_real, |
10115 | BFD_RELOC_X86_64_GOTPCREL }, | |
5b7c81bd | 10116 | OPERAND_TYPE_IMM32_32S_DISP32, true }, |
cff8d58a L |
10117 | { STRING_COMMA_LEN ("TLSGD"), { BFD_RELOC_386_TLS_GD, |
10118 | BFD_RELOC_X86_64_TLSGD }, | |
5b7c81bd | 10119 | OPERAND_TYPE_IMM32_32S_DISP32, true }, |
cff8d58a L |
10120 | { STRING_COMMA_LEN ("TLSLDM"), { BFD_RELOC_386_TLS_LDM, |
10121 | _dummy_first_bfd_reloc_code_real }, | |
5b7c81bd | 10122 | OPERAND_TYPE_NONE, true }, |
cff8d58a L |
10123 | { STRING_COMMA_LEN ("TLSLD"), { _dummy_first_bfd_reloc_code_real, |
10124 | BFD_RELOC_X86_64_TLSLD }, | |
5b7c81bd | 10125 | OPERAND_TYPE_IMM32_32S_DISP32, true }, |
cff8d58a L |
10126 | { STRING_COMMA_LEN ("GOTTPOFF"), { BFD_RELOC_386_TLS_IE_32, |
10127 | BFD_RELOC_X86_64_GOTTPOFF }, | |
5b7c81bd | 10128 | OPERAND_TYPE_IMM32_32S_DISP32, true }, |
cff8d58a L |
10129 | { STRING_COMMA_LEN ("TPOFF"), { BFD_RELOC_386_TLS_LE_32, |
10130 | BFD_RELOC_X86_64_TPOFF32 }, | |
5b7c81bd | 10131 | OPERAND_TYPE_IMM32_32S_64_DISP32_64, true }, |
cff8d58a L |
10132 | { STRING_COMMA_LEN ("NTPOFF"), { BFD_RELOC_386_TLS_LE, |
10133 | _dummy_first_bfd_reloc_code_real }, | |
5b7c81bd | 10134 | OPERAND_TYPE_NONE, true }, |
cff8d58a L |
10135 | { STRING_COMMA_LEN ("DTPOFF"), { BFD_RELOC_386_TLS_LDO_32, |
10136 | BFD_RELOC_X86_64_DTPOFF32 }, | |
5b7c81bd | 10137 | OPERAND_TYPE_IMM32_32S_64_DISP32_64, true }, |
cff8d58a L |
10138 | { STRING_COMMA_LEN ("GOTNTPOFF"),{ BFD_RELOC_386_TLS_GOTIE, |
10139 | _dummy_first_bfd_reloc_code_real }, | |
5b7c81bd | 10140 | OPERAND_TYPE_NONE, true }, |
cff8d58a L |
10141 | { STRING_COMMA_LEN ("INDNTPOFF"),{ BFD_RELOC_386_TLS_IE, |
10142 | _dummy_first_bfd_reloc_code_real }, | |
5b7c81bd | 10143 | OPERAND_TYPE_NONE, true }, |
cff8d58a L |
10144 | { STRING_COMMA_LEN ("GOT"), { BFD_RELOC_386_GOT32, |
10145 | BFD_RELOC_X86_64_GOT32 }, | |
5b7c81bd | 10146 | OPERAND_TYPE_IMM32_32S_64_DISP32, true }, |
cff8d58a L |
10147 | { STRING_COMMA_LEN ("TLSDESC"), { BFD_RELOC_386_TLS_GOTDESC, |
10148 | BFD_RELOC_X86_64_GOTPC32_TLSDESC }, | |
5b7c81bd | 10149 | OPERAND_TYPE_IMM32_32S_DISP32, true }, |
cff8d58a L |
10150 | { STRING_COMMA_LEN ("TLSCALL"), { BFD_RELOC_386_TLS_DESC_CALL, |
10151 | BFD_RELOC_X86_64_TLSDESC_CALL }, | |
5b7c81bd | 10152 | OPERAND_TYPE_IMM32_32S_DISP32, true }, |
f3c180ae AM |
10153 | }; |
10154 | char *cp; | |
10155 | unsigned int j; | |
10156 | ||
d382c579 | 10157 | #if defined (OBJ_MAYBE_ELF) |
718ddfc0 JB |
10158 | if (!IS_ELF) |
10159 | return NULL; | |
d382c579 | 10160 | #endif |
718ddfc0 | 10161 | |
f3c180ae | 10162 | for (cp = input_line_pointer; *cp != '@'; cp++) |
67c11a9b | 10163 | if (is_end_of_line[(unsigned char) *cp] || *cp == ',') |
f3c180ae AM |
10164 | return NULL; |
10165 | ||
47465058 | 10166 | for (j = 0; j < ARRAY_SIZE (gotrel); j++) |
f3c180ae | 10167 | { |
cff8d58a | 10168 | int len = gotrel[j].len; |
28f81592 | 10169 | if (strncasecmp (cp + 1, gotrel[j].str, len) == 0) |
f3c180ae | 10170 | { |
4fa24527 | 10171 | if (gotrel[j].rel[object_64bit] != 0) |
f3c180ae | 10172 | { |
28f81592 AM |
10173 | int first, second; |
10174 | char *tmpbuf, *past_reloc; | |
f3c180ae | 10175 | |
91d6fa6a | 10176 | *rel = gotrel[j].rel[object_64bit]; |
f3c180ae | 10177 | |
3956db08 JB |
10178 | if (types) |
10179 | { | |
10180 | if (flag_code != CODE_64BIT) | |
40fb9820 L |
10181 | { |
10182 | types->bitfield.imm32 = 1; | |
10183 | types->bitfield.disp32 = 1; | |
10184 | } | |
3956db08 JB |
10185 | else |
10186 | *types = gotrel[j].types64; | |
10187 | } | |
10188 | ||
844bf810 | 10189 | if (gotrel[j].need_GOT_symbol && GOT_symbol == NULL) |
f3c180ae AM |
10190 | GOT_symbol = symbol_find_or_make (GLOBAL_OFFSET_TABLE_NAME); |
10191 | ||
28f81592 | 10192 | /* The length of the first part of our input line. */ |
f3c180ae | 10193 | first = cp - input_line_pointer; |
28f81592 AM |
10194 | |
10195 | /* The second part goes from after the reloc token until | |
67c11a9b | 10196 | (and including) an end_of_line char or comma. */ |
28f81592 | 10197 | past_reloc = cp + 1 + len; |
67c11a9b AM |
10198 | cp = past_reloc; |
10199 | while (!is_end_of_line[(unsigned char) *cp] && *cp != ',') | |
10200 | ++cp; | |
10201 | second = cp + 1 - past_reloc; | |
28f81592 AM |
10202 | |
10203 | /* Allocate and copy string. The trailing NUL shouldn't | |
10204 | be necessary, but be safe. */ | |
add39d23 | 10205 | tmpbuf = XNEWVEC (char, first + second + 2); |
f3c180ae | 10206 | memcpy (tmpbuf, input_line_pointer, first); |
0787a12d AM |
10207 | if (second != 0 && *past_reloc != ' ') |
10208 | /* Replace the relocation token with ' ', so that | |
10209 | errors like foo@GOTOFF1 will be detected. */ | |
10210 | tmpbuf[first++] = ' '; | |
af89796a L |
10211 | else |
10212 | /* Increment length by 1 if the relocation token is | |
10213 | removed. */ | |
10214 | len++; | |
10215 | if (adjust) | |
10216 | *adjust = len; | |
0787a12d AM |
10217 | memcpy (tmpbuf + first, past_reloc, second); |
10218 | tmpbuf[first + second] = '\0'; | |
f3c180ae AM |
10219 | return tmpbuf; |
10220 | } | |
10221 | ||
4fa24527 JB |
10222 | as_bad (_("@%s reloc is not supported with %d-bit output format"), |
10223 | gotrel[j].str, 1 << (5 + object_64bit)); | |
f3c180ae AM |
10224 | return NULL; |
10225 | } | |
10226 | } | |
10227 | ||
10228 | /* Might be a symbol version string. Don't as_bad here. */ | |
10229 | return NULL; | |
10230 | } | |
4e4f7c87 | 10231 | #endif |
f3c180ae | 10232 | |
a988325c NC |
10233 | #ifdef TE_PE |
10234 | #ifdef lex_got | |
10235 | #undef lex_got | |
10236 | #endif | |
10237 | /* Parse operands of the form | |
10238 | <symbol>@SECREL32+<nnn> | |
10239 | ||
10240 | If we find one, set up the correct relocation in RELOC and copy the | |
10241 | input string, minus the `@SECREL32' into a malloc'd buffer for | |
10242 | parsing by the calling routine. Return this buffer, and if ADJUST | |
10243 | is non-null set it to the length of the string we removed from the | |
34bca508 L |
10244 | input line. Otherwise return NULL. |
10245 | ||
a988325c NC |
10246 | This function is copied from the ELF version above adjusted for PE targets. */ |
10247 | ||
10248 | static char * | |
10249 | lex_got (enum bfd_reloc_code_real *rel ATTRIBUTE_UNUSED, | |
10250 | int *adjust ATTRIBUTE_UNUSED, | |
d258b828 | 10251 | i386_operand_type *types) |
a988325c NC |
10252 | { |
10253 | static const struct | |
10254 | { | |
10255 | const char *str; | |
10256 | int len; | |
10257 | const enum bfd_reloc_code_real rel[2]; | |
10258 | const i386_operand_type types64; | |
10259 | } | |
10260 | gotrel[] = | |
10261 | { | |
10262 | { STRING_COMMA_LEN ("SECREL32"), { BFD_RELOC_32_SECREL, | |
10263 | BFD_RELOC_32_SECREL }, | |
10264 | OPERAND_TYPE_IMM32_32S_64_DISP32_64 }, | |
10265 | }; | |
10266 | ||
10267 | char *cp; | |
10268 | unsigned j; | |
10269 | ||
10270 | for (cp = input_line_pointer; *cp != '@'; cp++) | |
10271 | if (is_end_of_line[(unsigned char) *cp] || *cp == ',') | |
10272 | return NULL; | |
10273 | ||
10274 | for (j = 0; j < ARRAY_SIZE (gotrel); j++) | |
10275 | { | |
10276 | int len = gotrel[j].len; | |
10277 | ||
10278 | if (strncasecmp (cp + 1, gotrel[j].str, len) == 0) | |
10279 | { | |
10280 | if (gotrel[j].rel[object_64bit] != 0) | |
10281 | { | |
10282 | int first, second; | |
10283 | char *tmpbuf, *past_reloc; | |
10284 | ||
10285 | *rel = gotrel[j].rel[object_64bit]; | |
10286 | if (adjust) | |
10287 | *adjust = len; | |
10288 | ||
10289 | if (types) | |
10290 | { | |
10291 | if (flag_code != CODE_64BIT) | |
10292 | { | |
10293 | types->bitfield.imm32 = 1; | |
10294 | types->bitfield.disp32 = 1; | |
10295 | } | |
10296 | else | |
10297 | *types = gotrel[j].types64; | |
10298 | } | |
10299 | ||
10300 | /* The length of the first part of our input line. */ | |
10301 | first = cp - input_line_pointer; | |
10302 | ||
10303 | /* The second part goes from after the reloc token until | |
10304 | (and including) an end_of_line char or comma. */ | |
10305 | past_reloc = cp + 1 + len; | |
10306 | cp = past_reloc; | |
10307 | while (!is_end_of_line[(unsigned char) *cp] && *cp != ',') | |
10308 | ++cp; | |
10309 | second = cp + 1 - past_reloc; | |
10310 | ||
10311 | /* Allocate and copy string. The trailing NUL shouldn't | |
10312 | be necessary, but be safe. */ | |
add39d23 | 10313 | tmpbuf = XNEWVEC (char, first + second + 2); |
a988325c NC |
10314 | memcpy (tmpbuf, input_line_pointer, first); |
10315 | if (second != 0 && *past_reloc != ' ') | |
10316 | /* Replace the relocation token with ' ', so that | |
10317 | errors like foo@SECLREL321 will be detected. */ | |
10318 | tmpbuf[first++] = ' '; | |
10319 | memcpy (tmpbuf + first, past_reloc, second); | |
10320 | tmpbuf[first + second] = '\0'; | |
10321 | return tmpbuf; | |
10322 | } | |
10323 | ||
10324 | as_bad (_("@%s reloc is not supported with %d-bit output format"), | |
10325 | gotrel[j].str, 1 << (5 + object_64bit)); | |
10326 | return NULL; | |
10327 | } | |
10328 | } | |
10329 | ||
10330 | /* Might be a symbol version string. Don't as_bad here. */ | |
10331 | return NULL; | |
10332 | } | |
10333 | ||
10334 | #endif /* TE_PE */ | |
10335 | ||
62ebcb5c | 10336 | bfd_reloc_code_real_type |
e3bb37b5 | 10337 | x86_cons (expressionS *exp, int size) |
f3c180ae | 10338 | { |
62ebcb5c AM |
10339 | bfd_reloc_code_real_type got_reloc = NO_RELOC; |
10340 | ||
ee86248c JB |
10341 | intel_syntax = -intel_syntax; |
10342 | ||
3c7b9c2c | 10343 | exp->X_md = 0; |
4fa24527 | 10344 | if (size == 4 || (object_64bit && size == 8)) |
f3c180ae AM |
10345 | { |
10346 | /* Handle @GOTOFF and the like in an expression. */ | |
10347 | char *save; | |
10348 | char *gotfree_input_line; | |
4a57f2cf | 10349 | int adjust = 0; |
f3c180ae AM |
10350 | |
10351 | save = input_line_pointer; | |
d258b828 | 10352 | gotfree_input_line = lex_got (&got_reloc, &adjust, NULL); |
f3c180ae AM |
10353 | if (gotfree_input_line) |
10354 | input_line_pointer = gotfree_input_line; | |
10355 | ||
10356 | expression (exp); | |
10357 | ||
10358 | if (gotfree_input_line) | |
10359 | { | |
10360 | /* expression () has merrily parsed up to the end of line, | |
10361 | or a comma - in the wrong buffer. Transfer how far | |
10362 | input_line_pointer has moved to the right buffer. */ | |
10363 | input_line_pointer = (save | |
10364 | + (input_line_pointer - gotfree_input_line) | |
10365 | + adjust); | |
10366 | free (gotfree_input_line); | |
3992d3b7 AM |
10367 | if (exp->X_op == O_constant |
10368 | || exp->X_op == O_absent | |
10369 | || exp->X_op == O_illegal | |
0398aac5 | 10370 | || exp->X_op == O_register |
3992d3b7 AM |
10371 | || exp->X_op == O_big) |
10372 | { | |
10373 | char c = *input_line_pointer; | |
10374 | *input_line_pointer = 0; | |
10375 | as_bad (_("missing or invalid expression `%s'"), save); | |
10376 | *input_line_pointer = c; | |
10377 | } | |
b9519cfe L |
10378 | else if ((got_reloc == BFD_RELOC_386_PLT32 |
10379 | || got_reloc == BFD_RELOC_X86_64_PLT32) | |
10380 | && exp->X_op != O_symbol) | |
10381 | { | |
10382 | char c = *input_line_pointer; | |
10383 | *input_line_pointer = 0; | |
10384 | as_bad (_("invalid PLT expression `%s'"), save); | |
10385 | *input_line_pointer = c; | |
10386 | } | |
f3c180ae AM |
10387 | } |
10388 | } | |
10389 | else | |
10390 | expression (exp); | |
ee86248c JB |
10391 | |
10392 | intel_syntax = -intel_syntax; | |
10393 | ||
10394 | if (intel_syntax) | |
10395 | i386_intel_simplify (exp); | |
62ebcb5c AM |
10396 | |
10397 | return got_reloc; | |
f3c180ae | 10398 | } |
f3c180ae | 10399 | |
9f32dd5b L |
10400 | static void |
10401 | signed_cons (int size) | |
6482c264 | 10402 | { |
d182319b JB |
10403 | if (flag_code == CODE_64BIT) |
10404 | cons_sign = 1; | |
10405 | cons (size); | |
10406 | cons_sign = -1; | |
6482c264 NC |
10407 | } |
10408 | ||
d182319b | 10409 | #ifdef TE_PE |
6482c264 | 10410 | static void |
7016a5d5 | 10411 | pe_directive_secrel (int dummy ATTRIBUTE_UNUSED) |
6482c264 NC |
10412 | { |
10413 | expressionS exp; | |
10414 | ||
10415 | do | |
10416 | { | |
10417 | expression (&exp); | |
10418 | if (exp.X_op == O_symbol) | |
10419 | exp.X_op = O_secrel; | |
10420 | ||
10421 | emit_expr (&exp, 4); | |
10422 | } | |
10423 | while (*input_line_pointer++ == ','); | |
10424 | ||
10425 | input_line_pointer--; | |
10426 | demand_empty_rest_of_line (); | |
10427 | } | |
6482c264 NC |
10428 | #endif |
10429 | ||
43234a1e L |
10430 | /* Handle Vector operations. */ |
10431 | ||
10432 | static char * | |
10433 | check_VecOperations (char *op_string, char *op_end) | |
10434 | { | |
10435 | const reg_entry *mask; | |
10436 | const char *saved; | |
10437 | char *end_op; | |
10438 | ||
10439 | while (*op_string | |
10440 | && (op_end == NULL || op_string < op_end)) | |
10441 | { | |
10442 | saved = op_string; | |
10443 | if (*op_string == '{') | |
10444 | { | |
10445 | op_string++; | |
10446 | ||
10447 | /* Check broadcasts. */ | |
d34049e8 | 10448 | if (startswith (op_string, "1to")) |
43234a1e | 10449 | { |
5273a3cd | 10450 | unsigned int bcst_type; |
43234a1e | 10451 | |
5273a3cd | 10452 | if (i.broadcast.type) |
43234a1e L |
10453 | goto duplicated_vec_op; |
10454 | ||
10455 | op_string += 3; | |
10456 | if (*op_string == '8') | |
8e6e0792 | 10457 | bcst_type = 8; |
b28d1bda | 10458 | else if (*op_string == '4') |
8e6e0792 | 10459 | bcst_type = 4; |
b28d1bda | 10460 | else if (*op_string == '2') |
8e6e0792 | 10461 | bcst_type = 2; |
43234a1e L |
10462 | else if (*op_string == '1' |
10463 | && *(op_string+1) == '6') | |
10464 | { | |
8e6e0792 | 10465 | bcst_type = 16; |
43234a1e L |
10466 | op_string++; |
10467 | } | |
10468 | else | |
10469 | { | |
10470 | as_bad (_("Unsupported broadcast: `%s'"), saved); | |
10471 | return NULL; | |
10472 | } | |
10473 | op_string++; | |
10474 | ||
5273a3cd JB |
10475 | i.broadcast.type = bcst_type; |
10476 | i.broadcast.operand = this_operand; | |
43234a1e L |
10477 | } |
10478 | /* Check masking operation. */ | |
10479 | else if ((mask = parse_register (op_string, &end_op)) != NULL) | |
10480 | { | |
8a6fb3f9 JB |
10481 | if (mask == &bad_reg) |
10482 | return NULL; | |
10483 | ||
43234a1e | 10484 | /* k0 can't be used for write mask. */ |
f74a6307 | 10485 | if (mask->reg_type.bitfield.class != RegMask || !mask->reg_num) |
43234a1e | 10486 | { |
6d2cd6b2 JB |
10487 | as_bad (_("`%s%s' can't be used for write mask"), |
10488 | register_prefix, mask->reg_name); | |
43234a1e L |
10489 | return NULL; |
10490 | } | |
10491 | ||
6225c532 | 10492 | if (!i.mask.reg) |
43234a1e | 10493 | { |
6225c532 JB |
10494 | i.mask.reg = mask; |
10495 | i.mask.operand = this_operand; | |
43234a1e | 10496 | } |
6225c532 JB |
10497 | else if (i.mask.reg->reg_num) |
10498 | goto duplicated_vec_op; | |
43234a1e L |
10499 | else |
10500 | { | |
6225c532 | 10501 | i.mask.reg = mask; |
43234a1e L |
10502 | |
10503 | /* Only "{z}" is allowed here. No need to check | |
10504 | zeroing mask explicitly. */ | |
6225c532 | 10505 | if (i.mask.operand != (unsigned int) this_operand) |
43234a1e L |
10506 | { |
10507 | as_bad (_("invalid write mask `%s'"), saved); | |
10508 | return NULL; | |
10509 | } | |
10510 | } | |
10511 | ||
10512 | op_string = end_op; | |
10513 | } | |
10514 | /* Check zeroing-flag for masking operation. */ | |
10515 | else if (*op_string == 'z') | |
10516 | { | |
6225c532 | 10517 | if (!i.mask.reg) |
43234a1e | 10518 | { |
6225c532 JB |
10519 | i.mask.reg = reg_k0; |
10520 | i.mask.zeroing = 1; | |
10521 | i.mask.operand = this_operand; | |
43234a1e L |
10522 | } |
10523 | else | |
10524 | { | |
6225c532 | 10525 | if (i.mask.zeroing) |
43234a1e L |
10526 | { |
10527 | duplicated_vec_op: | |
10528 | as_bad (_("duplicated `%s'"), saved); | |
10529 | return NULL; | |
10530 | } | |
10531 | ||
6225c532 | 10532 | i.mask.zeroing = 1; |
43234a1e L |
10533 | |
10534 | /* Only "{%k}" is allowed here. No need to check mask | |
10535 | register explicitly. */ | |
6225c532 | 10536 | if (i.mask.operand != (unsigned int) this_operand) |
43234a1e L |
10537 | { |
10538 | as_bad (_("invalid zeroing-masking `%s'"), | |
10539 | saved); | |
10540 | return NULL; | |
10541 | } | |
10542 | } | |
10543 | ||
10544 | op_string++; | |
10545 | } | |
10546 | else | |
10547 | goto unknown_vec_op; | |
10548 | ||
10549 | if (*op_string != '}') | |
10550 | { | |
10551 | as_bad (_("missing `}' in `%s'"), saved); | |
10552 | return NULL; | |
10553 | } | |
10554 | op_string++; | |
0ba3a731 L |
10555 | |
10556 | /* Strip whitespace since the addition of pseudo prefixes | |
10557 | changed how the scrubber treats '{'. */ | |
10558 | if (is_space_char (*op_string)) | |
10559 | ++op_string; | |
10560 | ||
43234a1e L |
10561 | continue; |
10562 | } | |
10563 | unknown_vec_op: | |
10564 | /* We don't know this one. */ | |
10565 | as_bad (_("unknown vector operation: `%s'"), saved); | |
10566 | return NULL; | |
10567 | } | |
10568 | ||
6225c532 | 10569 | if (i.mask.reg && i.mask.zeroing && !i.mask.reg->reg_num) |
6d2cd6b2 JB |
10570 | { |
10571 | as_bad (_("zeroing-masking only allowed with write mask")); | |
10572 | return NULL; | |
10573 | } | |
10574 | ||
43234a1e L |
10575 | return op_string; |
10576 | } | |
10577 | ||
252b5132 | 10578 | static int |
70e41ade | 10579 | i386_immediate (char *imm_start) |
252b5132 RH |
10580 | { |
10581 | char *save_input_line_pointer; | |
f3c180ae | 10582 | char *gotfree_input_line; |
252b5132 | 10583 | segT exp_seg = 0; |
47926f60 | 10584 | expressionS *exp; |
40fb9820 L |
10585 | i386_operand_type types; |
10586 | ||
0dfbf9d7 | 10587 | operand_type_set (&types, ~0); |
252b5132 RH |
10588 | |
10589 | if (i.imm_operands == MAX_IMMEDIATE_OPERANDS) | |
10590 | { | |
31b2323c L |
10591 | as_bad (_("at most %d immediate operands are allowed"), |
10592 | MAX_IMMEDIATE_OPERANDS); | |
252b5132 RH |
10593 | return 0; |
10594 | } | |
10595 | ||
10596 | exp = &im_expressions[i.imm_operands++]; | |
520dc8e8 | 10597 | i.op[this_operand].imms = exp; |
252b5132 RH |
10598 | |
10599 | if (is_space_char (*imm_start)) | |
10600 | ++imm_start; | |
10601 | ||
10602 | save_input_line_pointer = input_line_pointer; | |
10603 | input_line_pointer = imm_start; | |
10604 | ||
d258b828 | 10605 | gotfree_input_line = lex_got (&i.reloc[this_operand], NULL, &types); |
f3c180ae AM |
10606 | if (gotfree_input_line) |
10607 | input_line_pointer = gotfree_input_line; | |
252b5132 RH |
10608 | |
10609 | exp_seg = expression (exp); | |
10610 | ||
83183c0c | 10611 | SKIP_WHITESPACE (); |
43234a1e L |
10612 | |
10613 | /* Handle vector operations. */ | |
10614 | if (*input_line_pointer == '{') | |
10615 | { | |
10616 | input_line_pointer = check_VecOperations (input_line_pointer, | |
10617 | NULL); | |
10618 | if (input_line_pointer == NULL) | |
10619 | return 0; | |
10620 | } | |
10621 | ||
252b5132 | 10622 | if (*input_line_pointer) |
f3c180ae | 10623 | as_bad (_("junk `%s' after expression"), input_line_pointer); |
252b5132 RH |
10624 | |
10625 | input_line_pointer = save_input_line_pointer; | |
f3c180ae | 10626 | if (gotfree_input_line) |
ee86248c JB |
10627 | { |
10628 | free (gotfree_input_line); | |
10629 | ||
10630 | if (exp->X_op == O_constant || exp->X_op == O_register) | |
10631 | exp->X_op = O_illegal; | |
10632 | } | |
10633 | ||
10634 | return i386_finalize_immediate (exp_seg, exp, types, imm_start); | |
10635 | } | |
252b5132 | 10636 | |
ee86248c JB |
10637 | static int |
10638 | i386_finalize_immediate (segT exp_seg ATTRIBUTE_UNUSED, expressionS *exp, | |
10639 | i386_operand_type types, const char *imm_start) | |
10640 | { | |
10641 | if (exp->X_op == O_absent || exp->X_op == O_illegal || exp->X_op == O_big) | |
252b5132 | 10642 | { |
313c53d1 L |
10643 | if (imm_start) |
10644 | as_bad (_("missing or invalid immediate expression `%s'"), | |
10645 | imm_start); | |
3992d3b7 | 10646 | return 0; |
252b5132 | 10647 | } |
3e73aa7c | 10648 | else if (exp->X_op == O_constant) |
252b5132 | 10649 | { |
47926f60 | 10650 | /* Size it properly later. */ |
40fb9820 | 10651 | i.types[this_operand].bitfield.imm64 = 1; |
13f864ae L |
10652 | /* If not 64bit, sign extend val. */ |
10653 | if (flag_code != CODE_64BIT | |
4eed87de AM |
10654 | && (exp->X_add_number & ~(((addressT) 2 << 31) - 1)) == 0) |
10655 | exp->X_add_number | |
10656 | = (exp->X_add_number ^ ((addressT) 1 << 31)) - ((addressT) 1 << 31); | |
252b5132 | 10657 | } |
4c63da97 | 10658 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
f86103b7 | 10659 | else if (OUTPUT_FLAVOR == bfd_target_aout_flavour |
31312f95 | 10660 | && exp_seg != absolute_section |
47926f60 | 10661 | && exp_seg != text_section |
24eab124 AM |
10662 | && exp_seg != data_section |
10663 | && exp_seg != bss_section | |
10664 | && exp_seg != undefined_section | |
f86103b7 | 10665 | && !bfd_is_com_section (exp_seg)) |
252b5132 | 10666 | { |
d0b47220 | 10667 | as_bad (_("unimplemented segment %s in operand"), exp_seg->name); |
252b5132 RH |
10668 | return 0; |
10669 | } | |
10670 | #endif | |
a841bdf5 | 10671 | else if (!intel_syntax && exp_seg == reg_section) |
bb8f5920 | 10672 | { |
313c53d1 L |
10673 | if (imm_start) |
10674 | as_bad (_("illegal immediate register operand %s"), imm_start); | |
bb8f5920 L |
10675 | return 0; |
10676 | } | |
252b5132 RH |
10677 | else |
10678 | { | |
10679 | /* This is an address. The size of the address will be | |
24eab124 | 10680 | determined later, depending on destination register, |
3e73aa7c | 10681 | suffix, or the default for the section. */ |
40fb9820 L |
10682 | i.types[this_operand].bitfield.imm8 = 1; |
10683 | i.types[this_operand].bitfield.imm16 = 1; | |
10684 | i.types[this_operand].bitfield.imm32 = 1; | |
10685 | i.types[this_operand].bitfield.imm32s = 1; | |
10686 | i.types[this_operand].bitfield.imm64 = 1; | |
c6fb90c8 L |
10687 | i.types[this_operand] = operand_type_and (i.types[this_operand], |
10688 | types); | |
252b5132 RH |
10689 | } |
10690 | ||
10691 | return 1; | |
10692 | } | |
10693 | ||
551c1ca1 | 10694 | static char * |
e3bb37b5 | 10695 | i386_scale (char *scale) |
252b5132 | 10696 | { |
551c1ca1 AM |
10697 | offsetT val; |
10698 | char *save = input_line_pointer; | |
252b5132 | 10699 | |
551c1ca1 AM |
10700 | input_line_pointer = scale; |
10701 | val = get_absolute_expression (); | |
10702 | ||
10703 | switch (val) | |
252b5132 | 10704 | { |
551c1ca1 | 10705 | case 1: |
252b5132 RH |
10706 | i.log2_scale_factor = 0; |
10707 | break; | |
551c1ca1 | 10708 | case 2: |
252b5132 RH |
10709 | i.log2_scale_factor = 1; |
10710 | break; | |
551c1ca1 | 10711 | case 4: |
252b5132 RH |
10712 | i.log2_scale_factor = 2; |
10713 | break; | |
551c1ca1 | 10714 | case 8: |
252b5132 RH |
10715 | i.log2_scale_factor = 3; |
10716 | break; | |
10717 | default: | |
a724f0f4 JB |
10718 | { |
10719 | char sep = *input_line_pointer; | |
10720 | ||
10721 | *input_line_pointer = '\0'; | |
10722 | as_bad (_("expecting scale factor of 1, 2, 4, or 8: got `%s'"), | |
10723 | scale); | |
10724 | *input_line_pointer = sep; | |
10725 | input_line_pointer = save; | |
10726 | return NULL; | |
10727 | } | |
252b5132 | 10728 | } |
29b0f896 | 10729 | if (i.log2_scale_factor != 0 && i.index_reg == 0) |
252b5132 RH |
10730 | { |
10731 | as_warn (_("scale factor of %d without an index register"), | |
24eab124 | 10732 | 1 << i.log2_scale_factor); |
252b5132 | 10733 | i.log2_scale_factor = 0; |
252b5132 | 10734 | } |
551c1ca1 AM |
10735 | scale = input_line_pointer; |
10736 | input_line_pointer = save; | |
10737 | return scale; | |
252b5132 RH |
10738 | } |
10739 | ||
252b5132 | 10740 | static int |
e3bb37b5 | 10741 | i386_displacement (char *disp_start, char *disp_end) |
252b5132 | 10742 | { |
29b0f896 | 10743 | expressionS *exp; |
252b5132 RH |
10744 | segT exp_seg = 0; |
10745 | char *save_input_line_pointer; | |
f3c180ae | 10746 | char *gotfree_input_line; |
40fb9820 L |
10747 | int override; |
10748 | i386_operand_type bigdisp, types = anydisp; | |
3992d3b7 | 10749 | int ret; |
252b5132 | 10750 | |
31b2323c L |
10751 | if (i.disp_operands == MAX_MEMORY_OPERANDS) |
10752 | { | |
10753 | as_bad (_("at most %d displacement operands are allowed"), | |
10754 | MAX_MEMORY_OPERANDS); | |
10755 | return 0; | |
10756 | } | |
10757 | ||
0dfbf9d7 | 10758 | operand_type_set (&bigdisp, 0); |
6f2f06be | 10759 | if (i.jumpabsolute |
48bcea9f | 10760 | || i.types[this_operand].bitfield.baseindex |
0cfa3eb3 JB |
10761 | || (current_templates->start->opcode_modifier.jump != JUMP |
10762 | && current_templates->start->opcode_modifier.jump != JUMP_DWORD)) | |
e05278af | 10763 | { |
48bcea9f | 10764 | i386_addressing_mode (); |
e05278af | 10765 | override = (i.prefix[ADDR_PREFIX] != 0); |
40fb9820 L |
10766 | if (flag_code == CODE_64BIT) |
10767 | { | |
10768 | if (!override) | |
10769 | { | |
10770 | bigdisp.bitfield.disp32s = 1; | |
10771 | bigdisp.bitfield.disp64 = 1; | |
10772 | } | |
48bcea9f JB |
10773 | else |
10774 | bigdisp.bitfield.disp32 = 1; | |
40fb9820 L |
10775 | } |
10776 | else if ((flag_code == CODE_16BIT) ^ override) | |
40fb9820 | 10777 | bigdisp.bitfield.disp16 = 1; |
48bcea9f JB |
10778 | else |
10779 | bigdisp.bitfield.disp32 = 1; | |
e05278af JB |
10780 | } |
10781 | else | |
10782 | { | |
376cd056 JB |
10783 | /* For PC-relative branches, the width of the displacement may be |
10784 | dependent upon data size, but is never dependent upon address size. | |
10785 | Also make sure to not unintentionally match against a non-PC-relative | |
10786 | branch template. */ | |
10787 | static templates aux_templates; | |
10788 | const insn_template *t = current_templates->start; | |
5b7c81bd | 10789 | bool has_intel64 = false; |
376cd056 JB |
10790 | |
10791 | aux_templates.start = t; | |
10792 | while (++t < current_templates->end) | |
10793 | { | |
10794 | if (t->opcode_modifier.jump | |
10795 | != current_templates->start->opcode_modifier.jump) | |
10796 | break; | |
4b5aaf5f | 10797 | if ((t->opcode_modifier.isa64 >= INTEL64)) |
5b7c81bd | 10798 | has_intel64 = true; |
376cd056 JB |
10799 | } |
10800 | if (t < current_templates->end) | |
10801 | { | |
10802 | aux_templates.end = t; | |
10803 | current_templates = &aux_templates; | |
10804 | } | |
10805 | ||
e05278af | 10806 | override = (i.prefix[DATA_PREFIX] != 0); |
40fb9820 L |
10807 | if (flag_code == CODE_64BIT) |
10808 | { | |
376cd056 JB |
10809 | if ((override || i.suffix == WORD_MNEM_SUFFIX) |
10810 | && (!intel64 || !has_intel64)) | |
40fb9820 L |
10811 | bigdisp.bitfield.disp16 = 1; |
10812 | else | |
48bcea9f | 10813 | bigdisp.bitfield.disp32s = 1; |
40fb9820 L |
10814 | } |
10815 | else | |
e05278af JB |
10816 | { |
10817 | if (!override) | |
10818 | override = (i.suffix == (flag_code != CODE_16BIT | |
10819 | ? WORD_MNEM_SUFFIX | |
10820 | : LONG_MNEM_SUFFIX)); | |
40fb9820 L |
10821 | bigdisp.bitfield.disp32 = 1; |
10822 | if ((flag_code == CODE_16BIT) ^ override) | |
10823 | { | |
10824 | bigdisp.bitfield.disp32 = 0; | |
10825 | bigdisp.bitfield.disp16 = 1; | |
10826 | } | |
e05278af | 10827 | } |
e05278af | 10828 | } |
c6fb90c8 L |
10829 | i.types[this_operand] = operand_type_or (i.types[this_operand], |
10830 | bigdisp); | |
252b5132 RH |
10831 | |
10832 | exp = &disp_expressions[i.disp_operands]; | |
520dc8e8 | 10833 | i.op[this_operand].disps = exp; |
252b5132 RH |
10834 | i.disp_operands++; |
10835 | save_input_line_pointer = input_line_pointer; | |
10836 | input_line_pointer = disp_start; | |
10837 | END_STRING_AND_SAVE (disp_end); | |
10838 | ||
10839 | #ifndef GCC_ASM_O_HACK | |
10840 | #define GCC_ASM_O_HACK 0 | |
10841 | #endif | |
10842 | #if GCC_ASM_O_HACK | |
10843 | END_STRING_AND_SAVE (disp_end + 1); | |
40fb9820 | 10844 | if (i.types[this_operand].bitfield.baseIndex |
24eab124 | 10845 | && displacement_string_end[-1] == '+') |
252b5132 RH |
10846 | { |
10847 | /* This hack is to avoid a warning when using the "o" | |
24eab124 AM |
10848 | constraint within gcc asm statements. |
10849 | For instance: | |
10850 | ||
10851 | #define _set_tssldt_desc(n,addr,limit,type) \ | |
10852 | __asm__ __volatile__ ( \ | |
10853 | "movw %w2,%0\n\t" \ | |
10854 | "movw %w1,2+%0\n\t" \ | |
10855 | "rorl $16,%1\n\t" \ | |
10856 | "movb %b1,4+%0\n\t" \ | |
10857 | "movb %4,5+%0\n\t" \ | |
10858 | "movb $0,6+%0\n\t" \ | |
10859 | "movb %h1,7+%0\n\t" \ | |
10860 | "rorl $16,%1" \ | |
10861 | : "=o"(*(n)) : "q" (addr), "ri"(limit), "i"(type)) | |
10862 | ||
10863 | This works great except that the output assembler ends | |
10864 | up looking a bit weird if it turns out that there is | |
10865 | no offset. You end up producing code that looks like: | |
10866 | ||
10867 | #APP | |
10868 | movw $235,(%eax) | |
10869 | movw %dx,2+(%eax) | |
10870 | rorl $16,%edx | |
10871 | movb %dl,4+(%eax) | |
10872 | movb $137,5+(%eax) | |
10873 | movb $0,6+(%eax) | |
10874 | movb %dh,7+(%eax) | |
10875 | rorl $16,%edx | |
10876 | #NO_APP | |
10877 | ||
47926f60 | 10878 | So here we provide the missing zero. */ |
24eab124 AM |
10879 | |
10880 | *displacement_string_end = '0'; | |
252b5132 RH |
10881 | } |
10882 | #endif | |
d258b828 | 10883 | gotfree_input_line = lex_got (&i.reloc[this_operand], NULL, &types); |
f3c180ae AM |
10884 | if (gotfree_input_line) |
10885 | input_line_pointer = gotfree_input_line; | |
252b5132 | 10886 | |
24eab124 | 10887 | exp_seg = expression (exp); |
252b5132 | 10888 | |
636c26b0 AM |
10889 | SKIP_WHITESPACE (); |
10890 | if (*input_line_pointer) | |
10891 | as_bad (_("junk `%s' after expression"), input_line_pointer); | |
10892 | #if GCC_ASM_O_HACK | |
10893 | RESTORE_END_STRING (disp_end + 1); | |
10894 | #endif | |
636c26b0 | 10895 | input_line_pointer = save_input_line_pointer; |
636c26b0 | 10896 | if (gotfree_input_line) |
ee86248c JB |
10897 | { |
10898 | free (gotfree_input_line); | |
10899 | ||
10900 | if (exp->X_op == O_constant || exp->X_op == O_register) | |
10901 | exp->X_op = O_illegal; | |
10902 | } | |
10903 | ||
10904 | ret = i386_finalize_displacement (exp_seg, exp, types, disp_start); | |
10905 | ||
10906 | RESTORE_END_STRING (disp_end); | |
10907 | ||
10908 | return ret; | |
10909 | } | |
10910 | ||
10911 | static int | |
10912 | i386_finalize_displacement (segT exp_seg ATTRIBUTE_UNUSED, expressionS *exp, | |
10913 | i386_operand_type types, const char *disp_start) | |
10914 | { | |
10915 | i386_operand_type bigdisp; | |
10916 | int ret = 1; | |
636c26b0 | 10917 | |
24eab124 AM |
10918 | /* We do this to make sure that the section symbol is in |
10919 | the symbol table. We will ultimately change the relocation | |
47926f60 | 10920 | to be relative to the beginning of the section. */ |
1ae12ab7 | 10921 | if (i.reloc[this_operand] == BFD_RELOC_386_GOTOFF |
d6ab8113 JB |
10922 | || i.reloc[this_operand] == BFD_RELOC_X86_64_GOTPCREL |
10923 | || i.reloc[this_operand] == BFD_RELOC_X86_64_GOTOFF64) | |
24eab124 | 10924 | { |
636c26b0 | 10925 | if (exp->X_op != O_symbol) |
3992d3b7 | 10926 | goto inv_disp; |
636c26b0 | 10927 | |
e5cb08ac | 10928 | if (S_IS_LOCAL (exp->X_add_symbol) |
c64efb4b L |
10929 | && S_GET_SEGMENT (exp->X_add_symbol) != undefined_section |
10930 | && S_GET_SEGMENT (exp->X_add_symbol) != expr_section) | |
24eab124 | 10931 | section_symbol (S_GET_SEGMENT (exp->X_add_symbol)); |
24eab124 AM |
10932 | exp->X_op = O_subtract; |
10933 | exp->X_op_symbol = GOT_symbol; | |
1ae12ab7 | 10934 | if (i.reloc[this_operand] == BFD_RELOC_X86_64_GOTPCREL) |
29b0f896 | 10935 | i.reloc[this_operand] = BFD_RELOC_32_PCREL; |
d6ab8113 JB |
10936 | else if (i.reloc[this_operand] == BFD_RELOC_X86_64_GOTOFF64) |
10937 | i.reloc[this_operand] = BFD_RELOC_64; | |
23df1078 | 10938 | else |
29b0f896 | 10939 | i.reloc[this_operand] = BFD_RELOC_32; |
24eab124 | 10940 | } |
252b5132 | 10941 | |
3992d3b7 AM |
10942 | else if (exp->X_op == O_absent |
10943 | || exp->X_op == O_illegal | |
ee86248c | 10944 | || exp->X_op == O_big) |
2daf4fd8 | 10945 | { |
3992d3b7 AM |
10946 | inv_disp: |
10947 | as_bad (_("missing or invalid displacement expression `%s'"), | |
2daf4fd8 | 10948 | disp_start); |
3992d3b7 | 10949 | ret = 0; |
2daf4fd8 AM |
10950 | } |
10951 | ||
4c63da97 | 10952 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
3992d3b7 AM |
10953 | else if (exp->X_op != O_constant |
10954 | && OUTPUT_FLAVOR == bfd_target_aout_flavour | |
10955 | && exp_seg != absolute_section | |
10956 | && exp_seg != text_section | |
10957 | && exp_seg != data_section | |
10958 | && exp_seg != bss_section | |
10959 | && exp_seg != undefined_section | |
10960 | && !bfd_is_com_section (exp_seg)) | |
24eab124 | 10961 | { |
d0b47220 | 10962 | as_bad (_("unimplemented segment %s in operand"), exp_seg->name); |
3992d3b7 | 10963 | ret = 0; |
24eab124 | 10964 | } |
252b5132 | 10965 | #endif |
3956db08 | 10966 | |
48bcea9f JB |
10967 | if (current_templates->start->opcode_modifier.jump == JUMP_BYTE |
10968 | /* Constants get taken care of by optimize_disp(). */ | |
10969 | && exp->X_op != O_constant) | |
10970 | i.types[this_operand].bitfield.disp8 = 1; | |
10971 | ||
40fb9820 L |
10972 | /* Check if this is a displacement only operand. */ |
10973 | bigdisp = i.types[this_operand]; | |
10974 | bigdisp.bitfield.disp8 = 0; | |
10975 | bigdisp.bitfield.disp16 = 0; | |
10976 | bigdisp.bitfield.disp32 = 0; | |
10977 | bigdisp.bitfield.disp32s = 0; | |
10978 | bigdisp.bitfield.disp64 = 0; | |
0dfbf9d7 | 10979 | if (operand_type_all_zero (&bigdisp)) |
c6fb90c8 L |
10980 | i.types[this_operand] = operand_type_and (i.types[this_operand], |
10981 | types); | |
3956db08 | 10982 | |
3992d3b7 | 10983 | return ret; |
252b5132 RH |
10984 | } |
10985 | ||
2abc2bec JB |
10986 | /* Return the active addressing mode, taking address override and |
10987 | registers forming the address into consideration. Update the | |
10988 | address override prefix if necessary. */ | |
47926f60 | 10989 | |
2abc2bec JB |
10990 | static enum flag_code |
10991 | i386_addressing_mode (void) | |
252b5132 | 10992 | { |
be05d201 L |
10993 | enum flag_code addr_mode; |
10994 | ||
10995 | if (i.prefix[ADDR_PREFIX]) | |
10996 | addr_mode = flag_code == CODE_32BIT ? CODE_16BIT : CODE_32BIT; | |
a23b33b3 JB |
10997 | else if (flag_code == CODE_16BIT |
10998 | && current_templates->start->cpu_flags.bitfield.cpumpx | |
10999 | /* Avoid replacing the "16-bit addressing not allowed" diagnostic | |
11000 | from md_assemble() by "is not a valid base/index expression" | |
11001 | when there is a base and/or index. */ | |
11002 | && !i.types[this_operand].bitfield.baseindex) | |
11003 | { | |
11004 | /* MPX insn memory operands with neither base nor index must be forced | |
11005 | to use 32-bit addressing in 16-bit mode. */ | |
11006 | addr_mode = CODE_32BIT; | |
11007 | i.prefix[ADDR_PREFIX] = ADDR_PREFIX_OPCODE; | |
11008 | ++i.prefixes; | |
11009 | gas_assert (!i.types[this_operand].bitfield.disp16); | |
11010 | gas_assert (!i.types[this_operand].bitfield.disp32); | |
11011 | } | |
be05d201 L |
11012 | else |
11013 | { | |
11014 | addr_mode = flag_code; | |
11015 | ||
24eab124 | 11016 | #if INFER_ADDR_PREFIX |
be05d201 L |
11017 | if (i.mem_operands == 0) |
11018 | { | |
11019 | /* Infer address prefix from the first memory operand. */ | |
11020 | const reg_entry *addr_reg = i.base_reg; | |
11021 | ||
11022 | if (addr_reg == NULL) | |
11023 | addr_reg = i.index_reg; | |
eecb386c | 11024 | |
be05d201 L |
11025 | if (addr_reg) |
11026 | { | |
e968fc9b | 11027 | if (addr_reg->reg_type.bitfield.dword) |
be05d201 L |
11028 | addr_mode = CODE_32BIT; |
11029 | else if (flag_code != CODE_64BIT | |
dc821c5f | 11030 | && addr_reg->reg_type.bitfield.word) |
be05d201 L |
11031 | addr_mode = CODE_16BIT; |
11032 | ||
11033 | if (addr_mode != flag_code) | |
11034 | { | |
11035 | i.prefix[ADDR_PREFIX] = ADDR_PREFIX_OPCODE; | |
11036 | i.prefixes += 1; | |
11037 | /* Change the size of any displacement too. At most one | |
11038 | of Disp16 or Disp32 is set. | |
11039 | FIXME. There doesn't seem to be any real need for | |
11040 | separate Disp16 and Disp32 flags. The same goes for | |
11041 | Imm16 and Imm32. Removing them would probably clean | |
11042 | up the code quite a lot. */ | |
11043 | if (flag_code != CODE_64BIT | |
11044 | && (i.types[this_operand].bitfield.disp16 | |
11045 | || i.types[this_operand].bitfield.disp32)) | |
11046 | i.types[this_operand] | |
11047 | = operand_type_xor (i.types[this_operand], disp16_32); | |
11048 | } | |
11049 | } | |
11050 | } | |
24eab124 | 11051 | #endif |
be05d201 L |
11052 | } |
11053 | ||
2abc2bec JB |
11054 | return addr_mode; |
11055 | } | |
11056 | ||
11057 | /* Make sure the memory operand we've been dealt is valid. | |
11058 | Return 1 on success, 0 on a failure. */ | |
11059 | ||
11060 | static int | |
11061 | i386_index_check (const char *operand_string) | |
11062 | { | |
11063 | const char *kind = "base/index"; | |
11064 | enum flag_code addr_mode = i386_addressing_mode (); | |
a152332d | 11065 | const insn_template *t = current_templates->start; |
2abc2bec | 11066 | |
a152332d JB |
11067 | if (t->opcode_modifier.isstring |
11068 | && !t->cpu_flags.bitfield.cpupadlock | |
fc0763e6 JB |
11069 | && (current_templates->end[-1].opcode_modifier.isstring |
11070 | || i.mem_operands)) | |
11071 | { | |
11072 | /* Memory operands of string insns are special in that they only allow | |
11073 | a single register (rDI, rSI, or rBX) as their memory address. */ | |
be05d201 L |
11074 | const reg_entry *expected_reg; |
11075 | static const char *di_si[][2] = | |
11076 | { | |
11077 | { "esi", "edi" }, | |
11078 | { "si", "di" }, | |
11079 | { "rsi", "rdi" } | |
11080 | }; | |
11081 | static const char *bx[] = { "ebx", "bx", "rbx" }; | |
fc0763e6 JB |
11082 | |
11083 | kind = "string address"; | |
11084 | ||
a152332d | 11085 | if (t->opcode_modifier.prefixok == PrefixRep) |
fc0763e6 | 11086 | { |
51c8edf6 JB |
11087 | int es_op = current_templates->end[-1].opcode_modifier.isstring |
11088 | - IS_STRING_ES_OP0; | |
11089 | int op = 0; | |
fc0763e6 | 11090 | |
51c8edf6 | 11091 | if (!current_templates->end[-1].operand_types[0].bitfield.baseindex |
fc0763e6 JB |
11092 | || ((!i.mem_operands != !intel_syntax) |
11093 | && current_templates->end[-1].operand_types[1] | |
11094 | .bitfield.baseindex)) | |
51c8edf6 | 11095 | op = 1; |
fe0e921f AM |
11096 | expected_reg |
11097 | = (const reg_entry *) str_hash_find (reg_hash, | |
11098 | di_si[addr_mode][op == es_op]); | |
fc0763e6 JB |
11099 | } |
11100 | else | |
fe0e921f AM |
11101 | expected_reg |
11102 | = (const reg_entry *)str_hash_find (reg_hash, bx[addr_mode]); | |
fc0763e6 | 11103 | |
be05d201 L |
11104 | if (i.base_reg != expected_reg |
11105 | || i.index_reg | |
fc0763e6 | 11106 | || operand_type_check (i.types[this_operand], disp)) |
fc0763e6 | 11107 | { |
be05d201 L |
11108 | /* The second memory operand must have the same size as |
11109 | the first one. */ | |
11110 | if (i.mem_operands | |
11111 | && i.base_reg | |
11112 | && !((addr_mode == CODE_64BIT | |
dc821c5f | 11113 | && i.base_reg->reg_type.bitfield.qword) |
be05d201 | 11114 | || (addr_mode == CODE_32BIT |
dc821c5f JB |
11115 | ? i.base_reg->reg_type.bitfield.dword |
11116 | : i.base_reg->reg_type.bitfield.word))) | |
be05d201 L |
11117 | goto bad_address; |
11118 | ||
fc0763e6 JB |
11119 | as_warn (_("`%s' is not valid here (expected `%c%s%s%c')"), |
11120 | operand_string, | |
11121 | intel_syntax ? '[' : '(', | |
11122 | register_prefix, | |
be05d201 | 11123 | expected_reg->reg_name, |
fc0763e6 | 11124 | intel_syntax ? ']' : ')'); |
be05d201 | 11125 | return 1; |
fc0763e6 | 11126 | } |
be05d201 L |
11127 | else |
11128 | return 1; | |
11129 | ||
dc1e8a47 | 11130 | bad_address: |
be05d201 L |
11131 | as_bad (_("`%s' is not a valid %s expression"), |
11132 | operand_string, kind); | |
11133 | return 0; | |
3e73aa7c JH |
11134 | } |
11135 | else | |
11136 | { | |
be05d201 L |
11137 | if (addr_mode != CODE_16BIT) |
11138 | { | |
11139 | /* 32-bit/64-bit checks. */ | |
41eb8e88 L |
11140 | if (i.disp_encoding == disp_encoding_16bit) |
11141 | { | |
11142 | bad_disp: | |
11143 | as_bad (_("invalid `%s' prefix"), | |
11144 | addr_mode == CODE_16BIT ? "{disp32}" : "{disp16}"); | |
11145 | return 0; | |
11146 | } | |
11147 | ||
be05d201 | 11148 | if ((i.base_reg |
e968fc9b JB |
11149 | && ((addr_mode == CODE_64BIT |
11150 | ? !i.base_reg->reg_type.bitfield.qword | |
11151 | : !i.base_reg->reg_type.bitfield.dword) | |
11152 | || (i.index_reg && i.base_reg->reg_num == RegIP) | |
11153 | || i.base_reg->reg_num == RegIZ)) | |
be05d201 | 11154 | || (i.index_reg |
1b54b8d7 JB |
11155 | && !i.index_reg->reg_type.bitfield.xmmword |
11156 | && !i.index_reg->reg_type.bitfield.ymmword | |
11157 | && !i.index_reg->reg_type.bitfield.zmmword | |
be05d201 | 11158 | && ((addr_mode == CODE_64BIT |
e968fc9b JB |
11159 | ? !i.index_reg->reg_type.bitfield.qword |
11160 | : !i.index_reg->reg_type.bitfield.dword) | |
be05d201 L |
11161 | || !i.index_reg->reg_type.bitfield.baseindex))) |
11162 | goto bad_address; | |
8178be5b | 11163 | |
260cd341 | 11164 | /* bndmk, bndldx, bndstx and mandatory non-vector SIB have special restrictions. */ |
a152332d | 11165 | if ((t->opcode_modifier.opcodeprefix == PREFIX_0XF3 |
389d00a5 JB |
11166 | && t->opcode_modifier.opcodespace == SPACE_0F |
11167 | && t->base_opcode == 0x1b) | |
a152332d | 11168 | || (t->opcode_modifier.opcodeprefix == PREFIX_NONE |
389d00a5 JB |
11169 | && t->opcode_modifier.opcodespace == SPACE_0F |
11170 | && (t->base_opcode & ~1) == 0x1a) | |
a152332d | 11171 | || t->opcode_modifier.sib == SIBMEM) |
8178be5b JB |
11172 | { |
11173 | /* They cannot use RIP-relative addressing. */ | |
e968fc9b | 11174 | if (i.base_reg && i.base_reg->reg_num == RegIP) |
8178be5b JB |
11175 | { |
11176 | as_bad (_("`%s' cannot be used here"), operand_string); | |
11177 | return 0; | |
11178 | } | |
11179 | ||
11180 | /* bndldx and bndstx ignore their scale factor. */ | |
a152332d | 11181 | if (t->opcode_modifier.opcodeprefix == PREFIX_NONE |
389d00a5 JB |
11182 | && t->opcode_modifier.opcodespace == SPACE_0F |
11183 | && (t->base_opcode & ~1) == 0x1a | |
8178be5b JB |
11184 | && i.log2_scale_factor) |
11185 | as_warn (_("register scaling is being ignored here")); | |
11186 | } | |
be05d201 L |
11187 | } |
11188 | else | |
3e73aa7c | 11189 | { |
be05d201 | 11190 | /* 16-bit checks. */ |
41eb8e88 L |
11191 | if (i.disp_encoding == disp_encoding_32bit) |
11192 | goto bad_disp; | |
11193 | ||
3e73aa7c | 11194 | if ((i.base_reg |
dc821c5f | 11195 | && (!i.base_reg->reg_type.bitfield.word |
40fb9820 | 11196 | || !i.base_reg->reg_type.bitfield.baseindex)) |
3e73aa7c | 11197 | || (i.index_reg |
dc821c5f | 11198 | && (!i.index_reg->reg_type.bitfield.word |
40fb9820 | 11199 | || !i.index_reg->reg_type.bitfield.baseindex |
29b0f896 AM |
11200 | || !(i.base_reg |
11201 | && i.base_reg->reg_num < 6 | |
11202 | && i.index_reg->reg_num >= 6 | |
11203 | && i.log2_scale_factor == 0)))) | |
be05d201 | 11204 | goto bad_address; |
3e73aa7c JH |
11205 | } |
11206 | } | |
be05d201 | 11207 | return 1; |
24eab124 | 11208 | } |
252b5132 | 11209 | |
43234a1e L |
11210 | /* Handle vector immediates. */ |
11211 | ||
11212 | static int | |
11213 | RC_SAE_immediate (const char *imm_start) | |
11214 | { | |
11215 | unsigned int match_found, j; | |
11216 | const char *pstr = imm_start; | |
11217 | expressionS *exp; | |
11218 | ||
11219 | if (*pstr != '{') | |
11220 | return 0; | |
11221 | ||
11222 | pstr++; | |
11223 | match_found = 0; | |
11224 | for (j = 0; j < ARRAY_SIZE (RC_NamesTable); j++) | |
11225 | { | |
11226 | if (!strncmp (pstr, RC_NamesTable[j].name, RC_NamesTable[j].len)) | |
11227 | { | |
ca5312a2 | 11228 | if (i.rounding.type != rc_none) |
43234a1e L |
11229 | { |
11230 | as_bad (_("duplicated `%s'"), imm_start); | |
11231 | return 0; | |
11232 | } | |
ca5312a2 JB |
11233 | |
11234 | i.rounding.type = RC_NamesTable[j].type; | |
11235 | i.rounding.operand = this_operand; | |
11236 | ||
43234a1e L |
11237 | pstr += RC_NamesTable[j].len; |
11238 | match_found = 1; | |
11239 | break; | |
11240 | } | |
11241 | } | |
11242 | if (!match_found) | |
11243 | return 0; | |
11244 | ||
11245 | if (*pstr++ != '}') | |
11246 | { | |
11247 | as_bad (_("Missing '}': '%s'"), imm_start); | |
11248 | return 0; | |
11249 | } | |
11250 | /* RC/SAE immediate string should contain nothing more. */; | |
11251 | if (*pstr != 0) | |
11252 | { | |
11253 | as_bad (_("Junk after '}': '%s'"), imm_start); | |
11254 | return 0; | |
11255 | } | |
11256 | ||
11257 | exp = &im_expressions[i.imm_operands++]; | |
11258 | i.op[this_operand].imms = exp; | |
11259 | ||
11260 | exp->X_op = O_constant; | |
11261 | exp->X_add_number = 0; | |
11262 | exp->X_add_symbol = (symbolS *) 0; | |
11263 | exp->X_op_symbol = (symbolS *) 0; | |
11264 | ||
11265 | i.types[this_operand].bitfield.imm8 = 1; | |
11266 | return 1; | |
11267 | } | |
11268 | ||
8325cc63 JB |
11269 | /* Only string instructions can have a second memory operand, so |
11270 | reduce current_templates to just those if it contains any. */ | |
11271 | static int | |
11272 | maybe_adjust_templates (void) | |
11273 | { | |
11274 | const insn_template *t; | |
11275 | ||
11276 | gas_assert (i.mem_operands == 1); | |
11277 | ||
11278 | for (t = current_templates->start; t < current_templates->end; ++t) | |
11279 | if (t->opcode_modifier.isstring) | |
11280 | break; | |
11281 | ||
11282 | if (t < current_templates->end) | |
11283 | { | |
11284 | static templates aux_templates; | |
5b7c81bd | 11285 | bool recheck; |
8325cc63 JB |
11286 | |
11287 | aux_templates.start = t; | |
11288 | for (; t < current_templates->end; ++t) | |
11289 | if (!t->opcode_modifier.isstring) | |
11290 | break; | |
11291 | aux_templates.end = t; | |
11292 | ||
11293 | /* Determine whether to re-check the first memory operand. */ | |
11294 | recheck = (aux_templates.start != current_templates->start | |
11295 | || t != current_templates->end); | |
11296 | ||
11297 | current_templates = &aux_templates; | |
11298 | ||
11299 | if (recheck) | |
11300 | { | |
11301 | i.mem_operands = 0; | |
11302 | if (i.memop1_string != NULL | |
11303 | && i386_index_check (i.memop1_string) == 0) | |
11304 | return 0; | |
11305 | i.mem_operands = 1; | |
11306 | } | |
11307 | } | |
11308 | ||
11309 | return 1; | |
11310 | } | |
11311 | ||
fc0763e6 | 11312 | /* Parse OPERAND_STRING into the i386_insn structure I. Returns zero |
47926f60 | 11313 | on error. */ |
252b5132 | 11314 | |
252b5132 | 11315 | static int |
a7619375 | 11316 | i386_att_operand (char *operand_string) |
252b5132 | 11317 | { |
af6bdddf AM |
11318 | const reg_entry *r; |
11319 | char *end_op; | |
24eab124 | 11320 | char *op_string = operand_string; |
252b5132 | 11321 | |
24eab124 | 11322 | if (is_space_char (*op_string)) |
252b5132 RH |
11323 | ++op_string; |
11324 | ||
24eab124 | 11325 | /* We check for an absolute prefix (differentiating, |
47926f60 | 11326 | for example, 'jmp pc_relative_label' from 'jmp *absolute_label'. */ |
24eab124 AM |
11327 | if (*op_string == ABSOLUTE_PREFIX) |
11328 | { | |
11329 | ++op_string; | |
11330 | if (is_space_char (*op_string)) | |
11331 | ++op_string; | |
5b7c81bd | 11332 | i.jumpabsolute = true; |
24eab124 | 11333 | } |
252b5132 | 11334 | |
47926f60 | 11335 | /* Check if operand is a register. */ |
4d1bb795 | 11336 | if ((r = parse_register (op_string, &end_op)) != NULL) |
24eab124 | 11337 | { |
40fb9820 L |
11338 | i386_operand_type temp; |
11339 | ||
8a6fb3f9 JB |
11340 | if (r == &bad_reg) |
11341 | return 0; | |
11342 | ||
24eab124 AM |
11343 | /* Check for a segment override by searching for ':' after a |
11344 | segment register. */ | |
11345 | op_string = end_op; | |
11346 | if (is_space_char (*op_string)) | |
11347 | ++op_string; | |
00cee14f | 11348 | if (*op_string == ':' && r->reg_type.bitfield.class == SReg) |
24eab124 | 11349 | { |
5e042380 | 11350 | i.seg[i.mem_operands] = r; |
252b5132 | 11351 | |
24eab124 | 11352 | /* Skip the ':' and whitespace. */ |
252b5132 RH |
11353 | ++op_string; |
11354 | if (is_space_char (*op_string)) | |
24eab124 | 11355 | ++op_string; |
252b5132 | 11356 | |
24eab124 AM |
11357 | if (!is_digit_char (*op_string) |
11358 | && !is_identifier_char (*op_string) | |
11359 | && *op_string != '(' | |
11360 | && *op_string != ABSOLUTE_PREFIX) | |
11361 | { | |
11362 | as_bad (_("bad memory operand `%s'"), op_string); | |
11363 | return 0; | |
11364 | } | |
47926f60 | 11365 | /* Handle case of %es:*foo. */ |
24eab124 AM |
11366 | if (*op_string == ABSOLUTE_PREFIX) |
11367 | { | |
11368 | ++op_string; | |
11369 | if (is_space_char (*op_string)) | |
11370 | ++op_string; | |
5b7c81bd | 11371 | i.jumpabsolute = true; |
24eab124 AM |
11372 | } |
11373 | goto do_memory_reference; | |
11374 | } | |
43234a1e L |
11375 | |
11376 | /* Handle vector operations. */ | |
11377 | if (*op_string == '{') | |
11378 | { | |
11379 | op_string = check_VecOperations (op_string, NULL); | |
11380 | if (op_string == NULL) | |
11381 | return 0; | |
11382 | } | |
11383 | ||
24eab124 AM |
11384 | if (*op_string) |
11385 | { | |
d0b47220 | 11386 | as_bad (_("junk `%s' after register"), op_string); |
24eab124 AM |
11387 | return 0; |
11388 | } | |
40fb9820 L |
11389 | temp = r->reg_type; |
11390 | temp.bitfield.baseindex = 0; | |
c6fb90c8 L |
11391 | i.types[this_operand] = operand_type_or (i.types[this_operand], |
11392 | temp); | |
7d5e4556 | 11393 | i.types[this_operand].bitfield.unspecified = 0; |
520dc8e8 | 11394 | i.op[this_operand].regs = r; |
24eab124 AM |
11395 | i.reg_operands++; |
11396 | } | |
af6bdddf AM |
11397 | else if (*op_string == REGISTER_PREFIX) |
11398 | { | |
11399 | as_bad (_("bad register name `%s'"), op_string); | |
11400 | return 0; | |
11401 | } | |
24eab124 | 11402 | else if (*op_string == IMMEDIATE_PREFIX) |
ce8a8b2f | 11403 | { |
24eab124 | 11404 | ++op_string; |
6f2f06be | 11405 | if (i.jumpabsolute) |
24eab124 | 11406 | { |
d0b47220 | 11407 | as_bad (_("immediate operand illegal with absolute jump")); |
24eab124 AM |
11408 | return 0; |
11409 | } | |
11410 | if (!i386_immediate (op_string)) | |
11411 | return 0; | |
11412 | } | |
43234a1e L |
11413 | else if (RC_SAE_immediate (operand_string)) |
11414 | { | |
11415 | /* If it is a RC or SAE immediate, do nothing. */ | |
11416 | ; | |
11417 | } | |
24eab124 AM |
11418 | else if (is_digit_char (*op_string) |
11419 | || is_identifier_char (*op_string) | |
d02603dc | 11420 | || *op_string == '"' |
e5cb08ac | 11421 | || *op_string == '(') |
24eab124 | 11422 | { |
47926f60 | 11423 | /* This is a memory reference of some sort. */ |
af6bdddf | 11424 | char *base_string; |
252b5132 | 11425 | |
47926f60 | 11426 | /* Start and end of displacement string expression (if found). */ |
eecb386c AM |
11427 | char *displacement_string_start; |
11428 | char *displacement_string_end; | |
43234a1e | 11429 | char *vop_start; |
252b5132 | 11430 | |
24eab124 | 11431 | do_memory_reference: |
8325cc63 JB |
11432 | if (i.mem_operands == 1 && !maybe_adjust_templates ()) |
11433 | return 0; | |
24eab124 | 11434 | if ((i.mem_operands == 1 |
40fb9820 | 11435 | && !current_templates->start->opcode_modifier.isstring) |
24eab124 AM |
11436 | || i.mem_operands == 2) |
11437 | { | |
11438 | as_bad (_("too many memory references for `%s'"), | |
11439 | current_templates->start->name); | |
11440 | return 0; | |
11441 | } | |
252b5132 | 11442 | |
24eab124 AM |
11443 | /* Check for base index form. We detect the base index form by |
11444 | looking for an ')' at the end of the operand, searching | |
11445 | for the '(' matching it, and finding a REGISTER_PREFIX or ',' | |
11446 | after the '('. */ | |
af6bdddf | 11447 | base_string = op_string + strlen (op_string); |
c3332e24 | 11448 | |
43234a1e L |
11449 | /* Handle vector operations. */ |
11450 | vop_start = strchr (op_string, '{'); | |
11451 | if (vop_start && vop_start < base_string) | |
11452 | { | |
11453 | if (check_VecOperations (vop_start, base_string) == NULL) | |
11454 | return 0; | |
11455 | base_string = vop_start; | |
11456 | } | |
11457 | ||
af6bdddf AM |
11458 | --base_string; |
11459 | if (is_space_char (*base_string)) | |
11460 | --base_string; | |
252b5132 | 11461 | |
47926f60 | 11462 | /* If we only have a displacement, set-up for it to be parsed later. */ |
af6bdddf AM |
11463 | displacement_string_start = op_string; |
11464 | displacement_string_end = base_string + 1; | |
252b5132 | 11465 | |
24eab124 AM |
11466 | if (*base_string == ')') |
11467 | { | |
af6bdddf | 11468 | char *temp_string; |
24eab124 AM |
11469 | unsigned int parens_balanced = 1; |
11470 | /* We've already checked that the number of left & right ()'s are | |
47926f60 | 11471 | equal, so this loop will not be infinite. */ |
24eab124 AM |
11472 | do |
11473 | { | |
11474 | base_string--; | |
11475 | if (*base_string == ')') | |
11476 | parens_balanced++; | |
11477 | if (*base_string == '(') | |
11478 | parens_balanced--; | |
11479 | } | |
11480 | while (parens_balanced); | |
c3332e24 | 11481 | |
af6bdddf | 11482 | temp_string = base_string; |
c3332e24 | 11483 | |
24eab124 | 11484 | /* Skip past '(' and whitespace. */ |
252b5132 RH |
11485 | ++base_string; |
11486 | if (is_space_char (*base_string)) | |
24eab124 | 11487 | ++base_string; |
252b5132 | 11488 | |
af6bdddf | 11489 | if (*base_string == ',' |
4eed87de AM |
11490 | || ((i.base_reg = parse_register (base_string, &end_op)) |
11491 | != NULL)) | |
252b5132 | 11492 | { |
af6bdddf | 11493 | displacement_string_end = temp_string; |
252b5132 | 11494 | |
40fb9820 | 11495 | i.types[this_operand].bitfield.baseindex = 1; |
252b5132 | 11496 | |
af6bdddf | 11497 | if (i.base_reg) |
24eab124 | 11498 | { |
8a6fb3f9 JB |
11499 | if (i.base_reg == &bad_reg) |
11500 | return 0; | |
24eab124 AM |
11501 | base_string = end_op; |
11502 | if (is_space_char (*base_string)) | |
11503 | ++base_string; | |
af6bdddf AM |
11504 | } |
11505 | ||
11506 | /* There may be an index reg or scale factor here. */ | |
11507 | if (*base_string == ',') | |
11508 | { | |
11509 | ++base_string; | |
11510 | if (is_space_char (*base_string)) | |
11511 | ++base_string; | |
11512 | ||
4eed87de AM |
11513 | if ((i.index_reg = parse_register (base_string, &end_op)) |
11514 | != NULL) | |
24eab124 | 11515 | { |
8a6fb3f9 JB |
11516 | if (i.index_reg == &bad_reg) |
11517 | return 0; | |
af6bdddf | 11518 | base_string = end_op; |
24eab124 AM |
11519 | if (is_space_char (*base_string)) |
11520 | ++base_string; | |
af6bdddf AM |
11521 | if (*base_string == ',') |
11522 | { | |
11523 | ++base_string; | |
11524 | if (is_space_char (*base_string)) | |
11525 | ++base_string; | |
11526 | } | |
e5cb08ac | 11527 | else if (*base_string != ')') |
af6bdddf | 11528 | { |
4eed87de AM |
11529 | as_bad (_("expecting `,' or `)' " |
11530 | "after index register in `%s'"), | |
af6bdddf AM |
11531 | operand_string); |
11532 | return 0; | |
11533 | } | |
24eab124 | 11534 | } |
af6bdddf | 11535 | else if (*base_string == REGISTER_PREFIX) |
24eab124 | 11536 | { |
f76bf5e0 L |
11537 | end_op = strchr (base_string, ','); |
11538 | if (end_op) | |
11539 | *end_op = '\0'; | |
af6bdddf | 11540 | as_bad (_("bad register name `%s'"), base_string); |
24eab124 AM |
11541 | return 0; |
11542 | } | |
252b5132 | 11543 | |
47926f60 | 11544 | /* Check for scale factor. */ |
551c1ca1 | 11545 | if (*base_string != ')') |
af6bdddf | 11546 | { |
551c1ca1 AM |
11547 | char *end_scale = i386_scale (base_string); |
11548 | ||
11549 | if (!end_scale) | |
af6bdddf | 11550 | return 0; |
24eab124 | 11551 | |
551c1ca1 | 11552 | base_string = end_scale; |
af6bdddf AM |
11553 | if (is_space_char (*base_string)) |
11554 | ++base_string; | |
11555 | if (*base_string != ')') | |
11556 | { | |
4eed87de AM |
11557 | as_bad (_("expecting `)' " |
11558 | "after scale factor in `%s'"), | |
af6bdddf AM |
11559 | operand_string); |
11560 | return 0; | |
11561 | } | |
11562 | } | |
11563 | else if (!i.index_reg) | |
24eab124 | 11564 | { |
4eed87de AM |
11565 | as_bad (_("expecting index register or scale factor " |
11566 | "after `,'; got '%c'"), | |
af6bdddf | 11567 | *base_string); |
24eab124 AM |
11568 | return 0; |
11569 | } | |
11570 | } | |
af6bdddf | 11571 | else if (*base_string != ')') |
24eab124 | 11572 | { |
4eed87de AM |
11573 | as_bad (_("expecting `,' or `)' " |
11574 | "after base register in `%s'"), | |
af6bdddf | 11575 | operand_string); |
24eab124 AM |
11576 | return 0; |
11577 | } | |
c3332e24 | 11578 | } |
af6bdddf | 11579 | else if (*base_string == REGISTER_PREFIX) |
c3332e24 | 11580 | { |
f76bf5e0 L |
11581 | end_op = strchr (base_string, ','); |
11582 | if (end_op) | |
11583 | *end_op = '\0'; | |
af6bdddf | 11584 | as_bad (_("bad register name `%s'"), base_string); |
24eab124 | 11585 | return 0; |
c3332e24 | 11586 | } |
24eab124 AM |
11587 | } |
11588 | ||
11589 | /* If there's an expression beginning the operand, parse it, | |
11590 | assuming displacement_string_start and | |
11591 | displacement_string_end are meaningful. */ | |
11592 | if (displacement_string_start != displacement_string_end) | |
11593 | { | |
11594 | if (!i386_displacement (displacement_string_start, | |
11595 | displacement_string_end)) | |
11596 | return 0; | |
11597 | } | |
11598 | ||
11599 | /* Special case for (%dx) while doing input/output op. */ | |
11600 | if (i.base_reg | |
75e5731b JB |
11601 | && i.base_reg->reg_type.bitfield.instance == RegD |
11602 | && i.base_reg->reg_type.bitfield.word | |
24eab124 AM |
11603 | && i.index_reg == 0 |
11604 | && i.log2_scale_factor == 0 | |
11605 | && i.seg[i.mem_operands] == 0 | |
40fb9820 | 11606 | && !operand_type_check (i.types[this_operand], disp)) |
24eab124 | 11607 | { |
2fb5be8d | 11608 | i.types[this_operand] = i.base_reg->reg_type; |
24eab124 AM |
11609 | return 1; |
11610 | } | |
11611 | ||
eecb386c AM |
11612 | if (i386_index_check (operand_string) == 0) |
11613 | return 0; | |
c48dadc9 | 11614 | i.flags[this_operand] |= Operand_Mem; |
8325cc63 JB |
11615 | if (i.mem_operands == 0) |
11616 | i.memop1_string = xstrdup (operand_string); | |
24eab124 AM |
11617 | i.mem_operands++; |
11618 | } | |
11619 | else | |
ce8a8b2f AM |
11620 | { |
11621 | /* It's not a memory operand; argh! */ | |
24eab124 AM |
11622 | as_bad (_("invalid char %s beginning operand %d `%s'"), |
11623 | output_invalid (*op_string), | |
11624 | this_operand + 1, | |
11625 | op_string); | |
11626 | return 0; | |
11627 | } | |
47926f60 | 11628 | return 1; /* Normal return. */ |
252b5132 RH |
11629 | } |
11630 | \f | |
fa94de6b RM |
11631 | /* Calculate the maximum variable size (i.e., excluding fr_fix) |
11632 | that an rs_machine_dependent frag may reach. */ | |
11633 | ||
11634 | unsigned int | |
11635 | i386_frag_max_var (fragS *frag) | |
11636 | { | |
11637 | /* The only relaxable frags are for jumps. | |
11638 | Unconditional jumps can grow by 4 bytes and others by 5 bytes. */ | |
11639 | gas_assert (frag->fr_type == rs_machine_dependent); | |
11640 | return TYPE_FROM_RELAX_STATE (frag->fr_subtype) == UNCOND_JUMP ? 4 : 5; | |
11641 | } | |
11642 | ||
b084df0b L |
11643 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
11644 | static int | |
8dcea932 | 11645 | elf_symbol_resolved_in_segment_p (symbolS *fr_symbol, offsetT fr_var) |
b084df0b L |
11646 | { |
11647 | /* STT_GNU_IFUNC symbol must go through PLT. */ | |
11648 | if ((symbol_get_bfdsym (fr_symbol)->flags | |
11649 | & BSF_GNU_INDIRECT_FUNCTION) != 0) | |
11650 | return 0; | |
11651 | ||
11652 | if (!S_IS_EXTERNAL (fr_symbol)) | |
11653 | /* Symbol may be weak or local. */ | |
11654 | return !S_IS_WEAK (fr_symbol); | |
11655 | ||
8dcea932 L |
11656 | /* Global symbols with non-default visibility can't be preempted. */ |
11657 | if (ELF_ST_VISIBILITY (S_GET_OTHER (fr_symbol)) != STV_DEFAULT) | |
11658 | return 1; | |
11659 | ||
11660 | if (fr_var != NO_RELOC) | |
11661 | switch ((enum bfd_reloc_code_real) fr_var) | |
11662 | { | |
11663 | case BFD_RELOC_386_PLT32: | |
11664 | case BFD_RELOC_X86_64_PLT32: | |
33eaf5de | 11665 | /* Symbol with PLT relocation may be preempted. */ |
8dcea932 L |
11666 | return 0; |
11667 | default: | |
11668 | abort (); | |
11669 | } | |
11670 | ||
b084df0b L |
11671 | /* Global symbols with default visibility in a shared library may be |
11672 | preempted by another definition. */ | |
8dcea932 | 11673 | return !shared; |
b084df0b L |
11674 | } |
11675 | #endif | |
11676 | ||
79d72f45 HL |
11677 | /* Table 3-2. Macro-Fusible Instructions in Haswell Microarchitecture |
11678 | Note also work for Skylake and Cascadelake. | |
11679 | --------------------------------------------------------------------- | |
11680 | | JCC | ADD/SUB/CMP | INC/DEC | TEST/AND | | |
11681 | | ------ | ----------- | ------- | -------- | | |
11682 | | Jo | N | N | Y | | |
11683 | | Jno | N | N | Y | | |
11684 | | Jc/Jb | Y | N | Y | | |
11685 | | Jae/Jnb | Y | N | Y | | |
11686 | | Je/Jz | Y | Y | Y | | |
11687 | | Jne/Jnz | Y | Y | Y | | |
11688 | | Jna/Jbe | Y | N | Y | | |
11689 | | Ja/Jnbe | Y | N | Y | | |
11690 | | Js | N | N | Y | | |
11691 | | Jns | N | N | Y | | |
11692 | | Jp/Jpe | N | N | Y | | |
11693 | | Jnp/Jpo | N | N | Y | | |
11694 | | Jl/Jnge | Y | Y | Y | | |
11695 | | Jge/Jnl | Y | Y | Y | | |
11696 | | Jle/Jng | Y | Y | Y | | |
11697 | | Jg/Jnle | Y | Y | Y | | |
11698 | --------------------------------------------------------------------- */ | |
11699 | static int | |
11700 | i386_macro_fusible_p (enum mf_cmp_kind mf_cmp, enum mf_jcc_kind mf_jcc) | |
11701 | { | |
11702 | if (mf_cmp == mf_cmp_alu_cmp) | |
11703 | return ((mf_jcc >= mf_jcc_jc && mf_jcc <= mf_jcc_jna) | |
11704 | || mf_jcc == mf_jcc_jl || mf_jcc == mf_jcc_jle); | |
11705 | if (mf_cmp == mf_cmp_incdec) | |
11706 | return (mf_jcc == mf_jcc_je || mf_jcc == mf_jcc_jl | |
11707 | || mf_jcc == mf_jcc_jle); | |
11708 | if (mf_cmp == mf_cmp_test_and) | |
11709 | return 1; | |
11710 | return 0; | |
11711 | } | |
11712 | ||
e379e5f3 L |
11713 | /* Return the next non-empty frag. */ |
11714 | ||
11715 | static fragS * | |
11716 | i386_next_non_empty_frag (fragS *fragP) | |
11717 | { | |
11718 | /* There may be a frag with a ".fill 0" when there is no room in | |
11719 | the current frag for frag_grow in output_insn. */ | |
11720 | for (fragP = fragP->fr_next; | |
11721 | (fragP != NULL | |
11722 | && fragP->fr_type == rs_fill | |
11723 | && fragP->fr_fix == 0); | |
11724 | fragP = fragP->fr_next) | |
11725 | ; | |
11726 | return fragP; | |
11727 | } | |
11728 | ||
11729 | /* Return the next jcc frag after BRANCH_PADDING. */ | |
11730 | ||
11731 | static fragS * | |
79d72f45 | 11732 | i386_next_fusible_jcc_frag (fragS *maybe_cmp_fragP, fragS *pad_fragP) |
e379e5f3 | 11733 | { |
79d72f45 HL |
11734 | fragS *branch_fragP; |
11735 | if (!pad_fragP) | |
e379e5f3 L |
11736 | return NULL; |
11737 | ||
79d72f45 HL |
11738 | if (pad_fragP->fr_type == rs_machine_dependent |
11739 | && (TYPE_FROM_RELAX_STATE (pad_fragP->fr_subtype) | |
e379e5f3 L |
11740 | == BRANCH_PADDING)) |
11741 | { | |
79d72f45 HL |
11742 | branch_fragP = i386_next_non_empty_frag (pad_fragP); |
11743 | if (branch_fragP->fr_type != rs_machine_dependent) | |
e379e5f3 | 11744 | return NULL; |
79d72f45 HL |
11745 | if (TYPE_FROM_RELAX_STATE (branch_fragP->fr_subtype) == COND_JUMP |
11746 | && i386_macro_fusible_p (maybe_cmp_fragP->tc_frag_data.mf_type, | |
11747 | pad_fragP->tc_frag_data.mf_type)) | |
11748 | return branch_fragP; | |
e379e5f3 L |
11749 | } |
11750 | ||
11751 | return NULL; | |
11752 | } | |
11753 | ||
11754 | /* Classify BRANCH_PADDING, BRANCH_PREFIX and FUSED_JCC_PADDING frags. */ | |
11755 | ||
11756 | static void | |
11757 | i386_classify_machine_dependent_frag (fragS *fragP) | |
11758 | { | |
11759 | fragS *cmp_fragP; | |
11760 | fragS *pad_fragP; | |
11761 | fragS *branch_fragP; | |
11762 | fragS *next_fragP; | |
11763 | unsigned int max_prefix_length; | |
11764 | ||
11765 | if (fragP->tc_frag_data.classified) | |
11766 | return; | |
11767 | ||
11768 | /* First scan for BRANCH_PADDING and FUSED_JCC_PADDING. Convert | |
11769 | FUSED_JCC_PADDING and merge BRANCH_PADDING. */ | |
11770 | for (next_fragP = fragP; | |
11771 | next_fragP != NULL; | |
11772 | next_fragP = next_fragP->fr_next) | |
11773 | { | |
11774 | next_fragP->tc_frag_data.classified = 1; | |
11775 | if (next_fragP->fr_type == rs_machine_dependent) | |
11776 | switch (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype)) | |
11777 | { | |
11778 | case BRANCH_PADDING: | |
11779 | /* The BRANCH_PADDING frag must be followed by a branch | |
11780 | frag. */ | |
11781 | branch_fragP = i386_next_non_empty_frag (next_fragP); | |
11782 | next_fragP->tc_frag_data.u.branch_fragP = branch_fragP; | |
11783 | break; | |
11784 | case FUSED_JCC_PADDING: | |
11785 | /* Check if this is a fused jcc: | |
11786 | FUSED_JCC_PADDING | |
11787 | CMP like instruction | |
11788 | BRANCH_PADDING | |
11789 | COND_JUMP | |
11790 | */ | |
11791 | cmp_fragP = i386_next_non_empty_frag (next_fragP); | |
11792 | pad_fragP = i386_next_non_empty_frag (cmp_fragP); | |
79d72f45 | 11793 | branch_fragP = i386_next_fusible_jcc_frag (next_fragP, pad_fragP); |
e379e5f3 L |
11794 | if (branch_fragP) |
11795 | { | |
11796 | /* The BRANCH_PADDING frag is merged with the | |
11797 | FUSED_JCC_PADDING frag. */ | |
11798 | next_fragP->tc_frag_data.u.branch_fragP = branch_fragP; | |
11799 | /* CMP like instruction size. */ | |
11800 | next_fragP->tc_frag_data.cmp_size = cmp_fragP->fr_fix; | |
11801 | frag_wane (pad_fragP); | |
11802 | /* Skip to branch_fragP. */ | |
11803 | next_fragP = branch_fragP; | |
11804 | } | |
11805 | else if (next_fragP->tc_frag_data.max_prefix_length) | |
11806 | { | |
11807 | /* Turn FUSED_JCC_PADDING into BRANCH_PREFIX if it isn't | |
11808 | a fused jcc. */ | |
11809 | next_fragP->fr_subtype | |
11810 | = ENCODE_RELAX_STATE (BRANCH_PREFIX, 0); | |
11811 | next_fragP->tc_frag_data.max_bytes | |
11812 | = next_fragP->tc_frag_data.max_prefix_length; | |
11813 | /* This will be updated in the BRANCH_PREFIX scan. */ | |
11814 | next_fragP->tc_frag_data.max_prefix_length = 0; | |
11815 | } | |
11816 | else | |
11817 | frag_wane (next_fragP); | |
11818 | break; | |
11819 | } | |
11820 | } | |
11821 | ||
11822 | /* Stop if there is no BRANCH_PREFIX. */ | |
11823 | if (!align_branch_prefix_size) | |
11824 | return; | |
11825 | ||
11826 | /* Scan for BRANCH_PREFIX. */ | |
11827 | for (; fragP != NULL; fragP = fragP->fr_next) | |
11828 | { | |
11829 | if (fragP->fr_type != rs_machine_dependent | |
11830 | || (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) | |
11831 | != BRANCH_PREFIX)) | |
11832 | continue; | |
11833 | ||
11834 | /* Count all BRANCH_PREFIX frags before BRANCH_PADDING and | |
11835 | COND_JUMP_PREFIX. */ | |
11836 | max_prefix_length = 0; | |
11837 | for (next_fragP = fragP; | |
11838 | next_fragP != NULL; | |
11839 | next_fragP = next_fragP->fr_next) | |
11840 | { | |
11841 | if (next_fragP->fr_type == rs_fill) | |
11842 | /* Skip rs_fill frags. */ | |
11843 | continue; | |
11844 | else if (next_fragP->fr_type != rs_machine_dependent) | |
11845 | /* Stop for all other frags. */ | |
11846 | break; | |
11847 | ||
11848 | /* rs_machine_dependent frags. */ | |
11849 | if (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11850 | == BRANCH_PREFIX) | |
11851 | { | |
11852 | /* Count BRANCH_PREFIX frags. */ | |
11853 | if (max_prefix_length >= MAX_FUSED_JCC_PADDING_SIZE) | |
11854 | { | |
11855 | max_prefix_length = MAX_FUSED_JCC_PADDING_SIZE; | |
11856 | frag_wane (next_fragP); | |
11857 | } | |
11858 | else | |
11859 | max_prefix_length | |
11860 | += next_fragP->tc_frag_data.max_bytes; | |
11861 | } | |
11862 | else if ((TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11863 | == BRANCH_PADDING) | |
11864 | || (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11865 | == FUSED_JCC_PADDING)) | |
11866 | { | |
11867 | /* Stop at BRANCH_PADDING and FUSED_JCC_PADDING. */ | |
11868 | fragP->tc_frag_data.u.padding_fragP = next_fragP; | |
11869 | break; | |
11870 | } | |
11871 | else | |
11872 | /* Stop for other rs_machine_dependent frags. */ | |
11873 | break; | |
11874 | } | |
11875 | ||
11876 | fragP->tc_frag_data.max_prefix_length = max_prefix_length; | |
11877 | ||
11878 | /* Skip to the next frag. */ | |
11879 | fragP = next_fragP; | |
11880 | } | |
11881 | } | |
11882 | ||
11883 | /* Compute padding size for | |
11884 | ||
11885 | FUSED_JCC_PADDING | |
11886 | CMP like instruction | |
11887 | BRANCH_PADDING | |
11888 | COND_JUMP/UNCOND_JUMP | |
11889 | ||
11890 | or | |
11891 | ||
11892 | BRANCH_PADDING | |
11893 | COND_JUMP/UNCOND_JUMP | |
11894 | */ | |
11895 | ||
11896 | static int | |
11897 | i386_branch_padding_size (fragS *fragP, offsetT address) | |
11898 | { | |
11899 | unsigned int offset, size, padding_size; | |
11900 | fragS *branch_fragP = fragP->tc_frag_data.u.branch_fragP; | |
11901 | ||
11902 | /* The start address of the BRANCH_PADDING or FUSED_JCC_PADDING frag. */ | |
11903 | if (!address) | |
11904 | address = fragP->fr_address; | |
11905 | address += fragP->fr_fix; | |
11906 | ||
11907 | /* CMP like instrunction size. */ | |
11908 | size = fragP->tc_frag_data.cmp_size; | |
11909 | ||
11910 | /* The base size of the branch frag. */ | |
11911 | size += branch_fragP->fr_fix; | |
11912 | ||
11913 | /* Add opcode and displacement bytes for the rs_machine_dependent | |
11914 | branch frag. */ | |
11915 | if (branch_fragP->fr_type == rs_machine_dependent) | |
11916 | size += md_relax_table[branch_fragP->fr_subtype].rlx_length; | |
11917 | ||
11918 | /* Check if branch is within boundary and doesn't end at the last | |
11919 | byte. */ | |
11920 | offset = address & ((1U << align_branch_power) - 1); | |
11921 | if ((offset + size) >= (1U << align_branch_power)) | |
11922 | /* Padding needed to avoid crossing boundary. */ | |
11923 | padding_size = (1U << align_branch_power) - offset; | |
11924 | else | |
11925 | /* No padding needed. */ | |
11926 | padding_size = 0; | |
11927 | ||
11928 | /* The return value may be saved in tc_frag_data.length which is | |
11929 | unsigned byte. */ | |
11930 | if (!fits_in_unsigned_byte (padding_size)) | |
11931 | abort (); | |
11932 | ||
11933 | return padding_size; | |
11934 | } | |
11935 | ||
11936 | /* i386_generic_table_relax_frag() | |
11937 | ||
11938 | Handle BRANCH_PADDING, BRANCH_PREFIX and FUSED_JCC_PADDING frags to | |
11939 | grow/shrink padding to align branch frags. Hand others to | |
11940 | relax_frag(). */ | |
11941 | ||
11942 | long | |
11943 | i386_generic_table_relax_frag (segT segment, fragS *fragP, long stretch) | |
11944 | { | |
11945 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING | |
11946 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING) | |
11947 | { | |
11948 | long padding_size = i386_branch_padding_size (fragP, 0); | |
11949 | long grow = padding_size - fragP->tc_frag_data.length; | |
11950 | ||
11951 | /* When the BRANCH_PREFIX frag is used, the computed address | |
11952 | must match the actual address and there should be no padding. */ | |
11953 | if (fragP->tc_frag_data.padding_address | |
11954 | && (fragP->tc_frag_data.padding_address != fragP->fr_address | |
11955 | || padding_size)) | |
11956 | abort (); | |
11957 | ||
11958 | /* Update the padding size. */ | |
11959 | if (grow) | |
11960 | fragP->tc_frag_data.length = padding_size; | |
11961 | ||
11962 | return grow; | |
11963 | } | |
11964 | else if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX) | |
11965 | { | |
11966 | fragS *padding_fragP, *next_fragP; | |
11967 | long padding_size, left_size, last_size; | |
11968 | ||
11969 | padding_fragP = fragP->tc_frag_data.u.padding_fragP; | |
11970 | if (!padding_fragP) | |
11971 | /* Use the padding set by the leading BRANCH_PREFIX frag. */ | |
11972 | return (fragP->tc_frag_data.length | |
11973 | - fragP->tc_frag_data.last_length); | |
11974 | ||
11975 | /* Compute the relative address of the padding frag in the very | |
11976 | first time where the BRANCH_PREFIX frag sizes are zero. */ | |
11977 | if (!fragP->tc_frag_data.padding_address) | |
11978 | fragP->tc_frag_data.padding_address | |
11979 | = padding_fragP->fr_address - (fragP->fr_address - stretch); | |
11980 | ||
11981 | /* First update the last length from the previous interation. */ | |
11982 | left_size = fragP->tc_frag_data.prefix_length; | |
11983 | for (next_fragP = fragP; | |
11984 | next_fragP != padding_fragP; | |
11985 | next_fragP = next_fragP->fr_next) | |
11986 | if (next_fragP->fr_type == rs_machine_dependent | |
11987 | && (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11988 | == BRANCH_PREFIX)) | |
11989 | { | |
11990 | if (left_size) | |
11991 | { | |
11992 | int max = next_fragP->tc_frag_data.max_bytes; | |
11993 | if (max) | |
11994 | { | |
11995 | int size; | |
11996 | if (max > left_size) | |
11997 | size = left_size; | |
11998 | else | |
11999 | size = max; | |
12000 | left_size -= size; | |
12001 | next_fragP->tc_frag_data.last_length = size; | |
12002 | } | |
12003 | } | |
12004 | else | |
12005 | next_fragP->tc_frag_data.last_length = 0; | |
12006 | } | |
12007 | ||
12008 | /* Check the padding size for the padding frag. */ | |
12009 | padding_size = i386_branch_padding_size | |
12010 | (padding_fragP, (fragP->fr_address | |
12011 | + fragP->tc_frag_data.padding_address)); | |
12012 | ||
12013 | last_size = fragP->tc_frag_data.prefix_length; | |
12014 | /* Check if there is change from the last interation. */ | |
12015 | if (padding_size == last_size) | |
12016 | { | |
12017 | /* Update the expected address of the padding frag. */ | |
12018 | padding_fragP->tc_frag_data.padding_address | |
12019 | = (fragP->fr_address + padding_size | |
12020 | + fragP->tc_frag_data.padding_address); | |
12021 | return 0; | |
12022 | } | |
12023 | ||
12024 | if (padding_size > fragP->tc_frag_data.max_prefix_length) | |
12025 | { | |
12026 | /* No padding if there is no sufficient room. Clear the | |
12027 | expected address of the padding frag. */ | |
12028 | padding_fragP->tc_frag_data.padding_address = 0; | |
12029 | padding_size = 0; | |
12030 | } | |
12031 | else | |
12032 | /* Store the expected address of the padding frag. */ | |
12033 | padding_fragP->tc_frag_data.padding_address | |
12034 | = (fragP->fr_address + padding_size | |
12035 | + fragP->tc_frag_data.padding_address); | |
12036 | ||
12037 | fragP->tc_frag_data.prefix_length = padding_size; | |
12038 | ||
12039 | /* Update the length for the current interation. */ | |
12040 | left_size = padding_size; | |
12041 | for (next_fragP = fragP; | |
12042 | next_fragP != padding_fragP; | |
12043 | next_fragP = next_fragP->fr_next) | |
12044 | if (next_fragP->fr_type == rs_machine_dependent | |
12045 | && (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
12046 | == BRANCH_PREFIX)) | |
12047 | { | |
12048 | if (left_size) | |
12049 | { | |
12050 | int max = next_fragP->tc_frag_data.max_bytes; | |
12051 | if (max) | |
12052 | { | |
12053 | int size; | |
12054 | if (max > left_size) | |
12055 | size = left_size; | |
12056 | else | |
12057 | size = max; | |
12058 | left_size -= size; | |
12059 | next_fragP->tc_frag_data.length = size; | |
12060 | } | |
12061 | } | |
12062 | else | |
12063 | next_fragP->tc_frag_data.length = 0; | |
12064 | } | |
12065 | ||
12066 | return (fragP->tc_frag_data.length | |
12067 | - fragP->tc_frag_data.last_length); | |
12068 | } | |
12069 | return relax_frag (segment, fragP, stretch); | |
12070 | } | |
12071 | ||
ee7fcc42 AM |
12072 | /* md_estimate_size_before_relax() |
12073 | ||
12074 | Called just before relax() for rs_machine_dependent frags. The x86 | |
12075 | assembler uses these frags to handle variable size jump | |
12076 | instructions. | |
12077 | ||
12078 | Any symbol that is now undefined will not become defined. | |
12079 | Return the correct fr_subtype in the frag. | |
12080 | Return the initial "guess for variable size of frag" to caller. | |
12081 | The guess is actually the growth beyond the fixed part. Whatever | |
12082 | we do to grow the fixed or variable part contributes to our | |
12083 | returned value. */ | |
12084 | ||
252b5132 | 12085 | int |
7016a5d5 | 12086 | md_estimate_size_before_relax (fragS *fragP, segT segment) |
252b5132 | 12087 | { |
e379e5f3 L |
12088 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING |
12089 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX | |
12090 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING) | |
12091 | { | |
12092 | i386_classify_machine_dependent_frag (fragP); | |
12093 | return fragP->tc_frag_data.length; | |
12094 | } | |
12095 | ||
252b5132 | 12096 | /* We've already got fragP->fr_subtype right; all we have to do is |
b98ef147 AM |
12097 | check for un-relaxable symbols. On an ELF system, we can't relax |
12098 | an externally visible symbol, because it may be overridden by a | |
12099 | shared library. */ | |
12100 | if (S_GET_SEGMENT (fragP->fr_symbol) != segment | |
6d249963 | 12101 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
718ddfc0 | 12102 | || (IS_ELF |
8dcea932 L |
12103 | && !elf_symbol_resolved_in_segment_p (fragP->fr_symbol, |
12104 | fragP->fr_var)) | |
fbeb56a4 DK |
12105 | #endif |
12106 | #if defined (OBJ_COFF) && defined (TE_PE) | |
7ab9ffdd | 12107 | || (OUTPUT_FLAVOR == bfd_target_coff_flavour |
fbeb56a4 | 12108 | && S_IS_WEAK (fragP->fr_symbol)) |
b98ef147 AM |
12109 | #endif |
12110 | ) | |
252b5132 | 12111 | { |
b98ef147 AM |
12112 | /* Symbol is undefined in this segment, or we need to keep a |
12113 | reloc so that weak symbols can be overridden. */ | |
12114 | int size = (fragP->fr_subtype & CODE16) ? 2 : 4; | |
f86103b7 | 12115 | enum bfd_reloc_code_real reloc_type; |
ee7fcc42 AM |
12116 | unsigned char *opcode; |
12117 | int old_fr_fix; | |
f6af82bd | 12118 | |
ee7fcc42 | 12119 | if (fragP->fr_var != NO_RELOC) |
1e9cc1c2 | 12120 | reloc_type = (enum bfd_reloc_code_real) fragP->fr_var; |
b98ef147 | 12121 | else if (size == 2) |
f6af82bd | 12122 | reloc_type = BFD_RELOC_16_PCREL; |
bd7ab16b L |
12123 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
12124 | else if (need_plt32_p (fragP->fr_symbol)) | |
12125 | reloc_type = BFD_RELOC_X86_64_PLT32; | |
12126 | #endif | |
f6af82bd AM |
12127 | else |
12128 | reloc_type = BFD_RELOC_32_PCREL; | |
252b5132 | 12129 | |
ee7fcc42 AM |
12130 | old_fr_fix = fragP->fr_fix; |
12131 | opcode = (unsigned char *) fragP->fr_opcode; | |
12132 | ||
fddf5b5b | 12133 | switch (TYPE_FROM_RELAX_STATE (fragP->fr_subtype)) |
252b5132 | 12134 | { |
fddf5b5b AM |
12135 | case UNCOND_JUMP: |
12136 | /* Make jmp (0xeb) a (d)word displacement jump. */ | |
47926f60 | 12137 | opcode[0] = 0xe9; |
252b5132 | 12138 | fragP->fr_fix += size; |
062cd5e7 AS |
12139 | fix_new (fragP, old_fr_fix, size, |
12140 | fragP->fr_symbol, | |
12141 | fragP->fr_offset, 1, | |
12142 | reloc_type); | |
252b5132 RH |
12143 | break; |
12144 | ||
fddf5b5b | 12145 | case COND_JUMP86: |
412167cb AM |
12146 | if (size == 2 |
12147 | && (!no_cond_jump_promotion || fragP->fr_var != NO_RELOC)) | |
fddf5b5b AM |
12148 | { |
12149 | /* Negate the condition, and branch past an | |
12150 | unconditional jump. */ | |
12151 | opcode[0] ^= 1; | |
12152 | opcode[1] = 3; | |
12153 | /* Insert an unconditional jump. */ | |
12154 | opcode[2] = 0xe9; | |
12155 | /* We added two extra opcode bytes, and have a two byte | |
12156 | offset. */ | |
12157 | fragP->fr_fix += 2 + 2; | |
062cd5e7 AS |
12158 | fix_new (fragP, old_fr_fix + 2, 2, |
12159 | fragP->fr_symbol, | |
12160 | fragP->fr_offset, 1, | |
12161 | reloc_type); | |
fddf5b5b AM |
12162 | break; |
12163 | } | |
12164 | /* Fall through. */ | |
12165 | ||
12166 | case COND_JUMP: | |
412167cb AM |
12167 | if (no_cond_jump_promotion && fragP->fr_var == NO_RELOC) |
12168 | { | |
3e02c1cc AM |
12169 | fixS *fixP; |
12170 | ||
412167cb | 12171 | fragP->fr_fix += 1; |
3e02c1cc AM |
12172 | fixP = fix_new (fragP, old_fr_fix, 1, |
12173 | fragP->fr_symbol, | |
12174 | fragP->fr_offset, 1, | |
12175 | BFD_RELOC_8_PCREL); | |
12176 | fixP->fx_signed = 1; | |
412167cb AM |
12177 | break; |
12178 | } | |
93c2a809 | 12179 | |
24eab124 | 12180 | /* This changes the byte-displacement jump 0x7N |
fddf5b5b | 12181 | to the (d)word-displacement jump 0x0f,0x8N. */ |
252b5132 | 12182 | opcode[1] = opcode[0] + 0x10; |
f6af82bd | 12183 | opcode[0] = TWO_BYTE_OPCODE_ESCAPE; |
47926f60 KH |
12184 | /* We've added an opcode byte. */ |
12185 | fragP->fr_fix += 1 + size; | |
062cd5e7 AS |
12186 | fix_new (fragP, old_fr_fix + 1, size, |
12187 | fragP->fr_symbol, | |
12188 | fragP->fr_offset, 1, | |
12189 | reloc_type); | |
252b5132 | 12190 | break; |
fddf5b5b AM |
12191 | |
12192 | default: | |
12193 | BAD_CASE (fragP->fr_subtype); | |
12194 | break; | |
252b5132 RH |
12195 | } |
12196 | frag_wane (fragP); | |
ee7fcc42 | 12197 | return fragP->fr_fix - old_fr_fix; |
252b5132 | 12198 | } |
93c2a809 | 12199 | |
93c2a809 AM |
12200 | /* Guess size depending on current relax state. Initially the relax |
12201 | state will correspond to a short jump and we return 1, because | |
12202 | the variable part of the frag (the branch offset) is one byte | |
12203 | long. However, we can relax a section more than once and in that | |
12204 | case we must either set fr_subtype back to the unrelaxed state, | |
12205 | or return the value for the appropriate branch. */ | |
12206 | return md_relax_table[fragP->fr_subtype].rlx_length; | |
ee7fcc42 AM |
12207 | } |
12208 | ||
47926f60 KH |
12209 | /* Called after relax() is finished. |
12210 | ||
12211 | In: Address of frag. | |
12212 | fr_type == rs_machine_dependent. | |
12213 | fr_subtype is what the address relaxed to. | |
12214 | ||
12215 | Out: Any fixSs and constants are set up. | |
12216 | Caller will turn frag into a ".space 0". */ | |
12217 | ||
252b5132 | 12218 | void |
7016a5d5 TG |
12219 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, |
12220 | fragS *fragP) | |
252b5132 | 12221 | { |
29b0f896 | 12222 | unsigned char *opcode; |
252b5132 | 12223 | unsigned char *where_to_put_displacement = NULL; |
847f7ad4 AM |
12224 | offsetT target_address; |
12225 | offsetT opcode_address; | |
252b5132 | 12226 | unsigned int extension = 0; |
847f7ad4 | 12227 | offsetT displacement_from_opcode_start; |
252b5132 | 12228 | |
e379e5f3 L |
12229 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING |
12230 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING | |
12231 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX) | |
12232 | { | |
12233 | /* Generate nop padding. */ | |
12234 | unsigned int size = fragP->tc_frag_data.length; | |
12235 | if (size) | |
12236 | { | |
12237 | if (size > fragP->tc_frag_data.max_bytes) | |
12238 | abort (); | |
12239 | ||
12240 | if (flag_debug) | |
12241 | { | |
12242 | const char *msg; | |
12243 | const char *branch = "branch"; | |
12244 | const char *prefix = ""; | |
12245 | fragS *padding_fragP; | |
12246 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) | |
12247 | == BRANCH_PREFIX) | |
12248 | { | |
12249 | padding_fragP = fragP->tc_frag_data.u.padding_fragP; | |
12250 | switch (fragP->tc_frag_data.default_prefix) | |
12251 | { | |
12252 | default: | |
12253 | abort (); | |
12254 | break; | |
12255 | case CS_PREFIX_OPCODE: | |
12256 | prefix = " cs"; | |
12257 | break; | |
12258 | case DS_PREFIX_OPCODE: | |
12259 | prefix = " ds"; | |
12260 | break; | |
12261 | case ES_PREFIX_OPCODE: | |
12262 | prefix = " es"; | |
12263 | break; | |
12264 | case FS_PREFIX_OPCODE: | |
12265 | prefix = " fs"; | |
12266 | break; | |
12267 | case GS_PREFIX_OPCODE: | |
12268 | prefix = " gs"; | |
12269 | break; | |
12270 | case SS_PREFIX_OPCODE: | |
12271 | prefix = " ss"; | |
12272 | break; | |
12273 | } | |
12274 | if (padding_fragP) | |
12275 | msg = _("%s:%u: add %d%s at 0x%llx to align " | |
12276 | "%s within %d-byte boundary\n"); | |
12277 | else | |
12278 | msg = _("%s:%u: add additional %d%s at 0x%llx to " | |
12279 | "align %s within %d-byte boundary\n"); | |
12280 | } | |
12281 | else | |
12282 | { | |
12283 | padding_fragP = fragP; | |
12284 | msg = _("%s:%u: add %d%s-byte nop at 0x%llx to align " | |
12285 | "%s within %d-byte boundary\n"); | |
12286 | } | |
12287 | ||
12288 | if (padding_fragP) | |
12289 | switch (padding_fragP->tc_frag_data.branch_type) | |
12290 | { | |
12291 | case align_branch_jcc: | |
12292 | branch = "jcc"; | |
12293 | break; | |
12294 | case align_branch_fused: | |
12295 | branch = "fused jcc"; | |
12296 | break; | |
12297 | case align_branch_jmp: | |
12298 | branch = "jmp"; | |
12299 | break; | |
12300 | case align_branch_call: | |
12301 | branch = "call"; | |
12302 | break; | |
12303 | case align_branch_indirect: | |
12304 | branch = "indiret branch"; | |
12305 | break; | |
12306 | case align_branch_ret: | |
12307 | branch = "ret"; | |
12308 | break; | |
12309 | default: | |
12310 | break; | |
12311 | } | |
12312 | ||
12313 | fprintf (stdout, msg, | |
12314 | fragP->fr_file, fragP->fr_line, size, prefix, | |
12315 | (long long) fragP->fr_address, branch, | |
12316 | 1 << align_branch_power); | |
12317 | } | |
12318 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX) | |
12319 | memset (fragP->fr_opcode, | |
12320 | fragP->tc_frag_data.default_prefix, size); | |
12321 | else | |
12322 | i386_generate_nops (fragP, (char *) fragP->fr_opcode, | |
12323 | size, 0); | |
12324 | fragP->fr_fix += size; | |
12325 | } | |
12326 | return; | |
12327 | } | |
12328 | ||
252b5132 RH |
12329 | opcode = (unsigned char *) fragP->fr_opcode; |
12330 | ||
47926f60 | 12331 | /* Address we want to reach in file space. */ |
252b5132 | 12332 | target_address = S_GET_VALUE (fragP->fr_symbol) + fragP->fr_offset; |
252b5132 | 12333 | |
47926f60 | 12334 | /* Address opcode resides at in file space. */ |
252b5132 RH |
12335 | opcode_address = fragP->fr_address + fragP->fr_fix; |
12336 | ||
47926f60 | 12337 | /* Displacement from opcode start to fill into instruction. */ |
252b5132 RH |
12338 | displacement_from_opcode_start = target_address - opcode_address; |
12339 | ||
fddf5b5b | 12340 | if ((fragP->fr_subtype & BIG) == 0) |
252b5132 | 12341 | { |
47926f60 KH |
12342 | /* Don't have to change opcode. */ |
12343 | extension = 1; /* 1 opcode + 1 displacement */ | |
252b5132 | 12344 | where_to_put_displacement = &opcode[1]; |
fddf5b5b AM |
12345 | } |
12346 | else | |
12347 | { | |
12348 | if (no_cond_jump_promotion | |
12349 | && TYPE_FROM_RELAX_STATE (fragP->fr_subtype) != UNCOND_JUMP) | |
4eed87de AM |
12350 | as_warn_where (fragP->fr_file, fragP->fr_line, |
12351 | _("long jump required")); | |
252b5132 | 12352 | |
fddf5b5b AM |
12353 | switch (fragP->fr_subtype) |
12354 | { | |
12355 | case ENCODE_RELAX_STATE (UNCOND_JUMP, BIG): | |
12356 | extension = 4; /* 1 opcode + 4 displacement */ | |
12357 | opcode[0] = 0xe9; | |
12358 | where_to_put_displacement = &opcode[1]; | |
12359 | break; | |
252b5132 | 12360 | |
fddf5b5b AM |
12361 | case ENCODE_RELAX_STATE (UNCOND_JUMP, BIG16): |
12362 | extension = 2; /* 1 opcode + 2 displacement */ | |
12363 | opcode[0] = 0xe9; | |
12364 | where_to_put_displacement = &opcode[1]; | |
12365 | break; | |
252b5132 | 12366 | |
fddf5b5b AM |
12367 | case ENCODE_RELAX_STATE (COND_JUMP, BIG): |
12368 | case ENCODE_RELAX_STATE (COND_JUMP86, BIG): | |
12369 | extension = 5; /* 2 opcode + 4 displacement */ | |
12370 | opcode[1] = opcode[0] + 0x10; | |
12371 | opcode[0] = TWO_BYTE_OPCODE_ESCAPE; | |
12372 | where_to_put_displacement = &opcode[2]; | |
12373 | break; | |
252b5132 | 12374 | |
fddf5b5b AM |
12375 | case ENCODE_RELAX_STATE (COND_JUMP, BIG16): |
12376 | extension = 3; /* 2 opcode + 2 displacement */ | |
12377 | opcode[1] = opcode[0] + 0x10; | |
12378 | opcode[0] = TWO_BYTE_OPCODE_ESCAPE; | |
12379 | where_to_put_displacement = &opcode[2]; | |
12380 | break; | |
252b5132 | 12381 | |
fddf5b5b AM |
12382 | case ENCODE_RELAX_STATE (COND_JUMP86, BIG16): |
12383 | extension = 4; | |
12384 | opcode[0] ^= 1; | |
12385 | opcode[1] = 3; | |
12386 | opcode[2] = 0xe9; | |
12387 | where_to_put_displacement = &opcode[3]; | |
12388 | break; | |
12389 | ||
12390 | default: | |
12391 | BAD_CASE (fragP->fr_subtype); | |
12392 | break; | |
12393 | } | |
252b5132 | 12394 | } |
fddf5b5b | 12395 | |
7b81dfbb AJ |
12396 | /* If size if less then four we are sure that the operand fits, |
12397 | but if it's 4, then it could be that the displacement is larger | |
12398 | then -/+ 2GB. */ | |
12399 | if (DISP_SIZE_FROM_RELAX_STATE (fragP->fr_subtype) == 4 | |
12400 | && object_64bit | |
12401 | && ((addressT) (displacement_from_opcode_start - extension | |
4eed87de AM |
12402 | + ((addressT) 1 << 31)) |
12403 | > (((addressT) 2 << 31) - 1))) | |
7b81dfbb AJ |
12404 | { |
12405 | as_bad_where (fragP->fr_file, fragP->fr_line, | |
12406 | _("jump target out of range")); | |
12407 | /* Make us emit 0. */ | |
12408 | displacement_from_opcode_start = extension; | |
12409 | } | |
47926f60 | 12410 | /* Now put displacement after opcode. */ |
252b5132 RH |
12411 | md_number_to_chars ((char *) where_to_put_displacement, |
12412 | (valueT) (displacement_from_opcode_start - extension), | |
fddf5b5b | 12413 | DISP_SIZE_FROM_RELAX_STATE (fragP->fr_subtype)); |
252b5132 RH |
12414 | fragP->fr_fix += extension; |
12415 | } | |
12416 | \f | |
7016a5d5 | 12417 | /* Apply a fixup (fixP) to segment data, once it has been determined |
252b5132 RH |
12418 | by our caller that we have all the info we need to fix it up. |
12419 | ||
7016a5d5 TG |
12420 | Parameter valP is the pointer to the value of the bits. |
12421 | ||
252b5132 RH |
12422 | On the 386, immediates, displacements, and data pointers are all in |
12423 | the same (little-endian) format, so we don't need to care about which | |
12424 | we are handling. */ | |
12425 | ||
94f592af | 12426 | void |
7016a5d5 | 12427 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 | 12428 | { |
94f592af | 12429 | char *p = fixP->fx_where + fixP->fx_frag->fr_literal; |
c6682705 | 12430 | valueT value = *valP; |
252b5132 | 12431 | |
f86103b7 | 12432 | #if !defined (TE_Mach) |
93382f6d AM |
12433 | if (fixP->fx_pcrel) |
12434 | { | |
12435 | switch (fixP->fx_r_type) | |
12436 | { | |
5865bb77 ILT |
12437 | default: |
12438 | break; | |
12439 | ||
d6ab8113 JB |
12440 | case BFD_RELOC_64: |
12441 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
12442 | break; | |
93382f6d | 12443 | case BFD_RELOC_32: |
ae8887b5 | 12444 | case BFD_RELOC_X86_64_32S: |
93382f6d AM |
12445 | fixP->fx_r_type = BFD_RELOC_32_PCREL; |
12446 | break; | |
12447 | case BFD_RELOC_16: | |
12448 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
12449 | break; | |
12450 | case BFD_RELOC_8: | |
12451 | fixP->fx_r_type = BFD_RELOC_8_PCREL; | |
12452 | break; | |
12453 | } | |
12454 | } | |
252b5132 | 12455 | |
a161fe53 | 12456 | if (fixP->fx_addsy != NULL |
31312f95 | 12457 | && (fixP->fx_r_type == BFD_RELOC_32_PCREL |
d6ab8113 | 12458 | || fixP->fx_r_type == BFD_RELOC_64_PCREL |
31312f95 | 12459 | || fixP->fx_r_type == BFD_RELOC_16_PCREL |
d258b828 | 12460 | || fixP->fx_r_type == BFD_RELOC_8_PCREL) |
31312f95 | 12461 | && !use_rela_relocations) |
252b5132 | 12462 | { |
31312f95 AM |
12463 | /* This is a hack. There should be a better way to handle this. |
12464 | This covers for the fact that bfd_install_relocation will | |
12465 | subtract the current location (for partial_inplace, PC relative | |
12466 | relocations); see more below. */ | |
252b5132 | 12467 | #ifndef OBJ_AOUT |
718ddfc0 | 12468 | if (IS_ELF |
252b5132 RH |
12469 | #ifdef TE_PE |
12470 | || OUTPUT_FLAVOR == bfd_target_coff_flavour | |
12471 | #endif | |
12472 | ) | |
12473 | value += fixP->fx_where + fixP->fx_frag->fr_address; | |
12474 | #endif | |
12475 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
718ddfc0 | 12476 | if (IS_ELF) |
252b5132 | 12477 | { |
6539b54b | 12478 | segT sym_seg = S_GET_SEGMENT (fixP->fx_addsy); |
2f66722d | 12479 | |
6539b54b | 12480 | if ((sym_seg == seg |
2f66722d | 12481 | || (symbol_section_p (fixP->fx_addsy) |
6539b54b | 12482 | && sym_seg != absolute_section)) |
af65af87 | 12483 | && !generic_force_reloc (fixP)) |
2f66722d AM |
12484 | { |
12485 | /* Yes, we add the values in twice. This is because | |
6539b54b AM |
12486 | bfd_install_relocation subtracts them out again. I think |
12487 | bfd_install_relocation is broken, but I don't dare change | |
2f66722d AM |
12488 | it. FIXME. */ |
12489 | value += fixP->fx_where + fixP->fx_frag->fr_address; | |
12490 | } | |
252b5132 RH |
12491 | } |
12492 | #endif | |
12493 | #if defined (OBJ_COFF) && defined (TE_PE) | |
977cdf5a NC |
12494 | /* For some reason, the PE format does not store a |
12495 | section address offset for a PC relative symbol. */ | |
12496 | if (S_GET_SEGMENT (fixP->fx_addsy) != seg | |
7be1c489 | 12497 | || S_IS_WEAK (fixP->fx_addsy)) |
252b5132 RH |
12498 | value += md_pcrel_from (fixP); |
12499 | #endif | |
12500 | } | |
fbeb56a4 | 12501 | #if defined (OBJ_COFF) && defined (TE_PE) |
f01c1a09 NC |
12502 | if (fixP->fx_addsy != NULL |
12503 | && S_IS_WEAK (fixP->fx_addsy) | |
12504 | /* PR 16858: Do not modify weak function references. */ | |
12505 | && ! fixP->fx_pcrel) | |
fbeb56a4 | 12506 | { |
296a8689 NC |
12507 | #if !defined (TE_PEP) |
12508 | /* For x86 PE weak function symbols are neither PC-relative | |
12509 | nor do they set S_IS_FUNCTION. So the only reliable way | |
12510 | to detect them is to check the flags of their containing | |
12511 | section. */ | |
12512 | if (S_GET_SEGMENT (fixP->fx_addsy) != NULL | |
12513 | && S_GET_SEGMENT (fixP->fx_addsy)->flags & SEC_CODE) | |
12514 | ; | |
12515 | else | |
12516 | #endif | |
fbeb56a4 DK |
12517 | value -= S_GET_VALUE (fixP->fx_addsy); |
12518 | } | |
12519 | #endif | |
252b5132 RH |
12520 | |
12521 | /* Fix a few things - the dynamic linker expects certain values here, | |
0234cb7c | 12522 | and we must not disappoint it. */ |
252b5132 | 12523 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
718ddfc0 | 12524 | if (IS_ELF && fixP->fx_addsy) |
47926f60 KH |
12525 | switch (fixP->fx_r_type) |
12526 | { | |
12527 | case BFD_RELOC_386_PLT32: | |
3e73aa7c | 12528 | case BFD_RELOC_X86_64_PLT32: |
b9519cfe L |
12529 | /* Make the jump instruction point to the address of the operand. |
12530 | At runtime we merely add the offset to the actual PLT entry. | |
12531 | NB: Subtract the offset size only for jump instructions. */ | |
12532 | if (fixP->fx_pcrel) | |
12533 | value = -4; | |
47926f60 | 12534 | break; |
31312f95 | 12535 | |
13ae64f3 JJ |
12536 | case BFD_RELOC_386_TLS_GD: |
12537 | case BFD_RELOC_386_TLS_LDM: | |
13ae64f3 | 12538 | case BFD_RELOC_386_TLS_IE_32: |
37e55690 JJ |
12539 | case BFD_RELOC_386_TLS_IE: |
12540 | case BFD_RELOC_386_TLS_GOTIE: | |
67a4f2b7 | 12541 | case BFD_RELOC_386_TLS_GOTDESC: |
bffbf940 JJ |
12542 | case BFD_RELOC_X86_64_TLSGD: |
12543 | case BFD_RELOC_X86_64_TLSLD: | |
12544 | case BFD_RELOC_X86_64_GOTTPOFF: | |
67a4f2b7 | 12545 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: |
00f7efb6 JJ |
12546 | value = 0; /* Fully resolved at runtime. No addend. */ |
12547 | /* Fallthrough */ | |
12548 | case BFD_RELOC_386_TLS_LE: | |
12549 | case BFD_RELOC_386_TLS_LDO_32: | |
12550 | case BFD_RELOC_386_TLS_LE_32: | |
12551 | case BFD_RELOC_X86_64_DTPOFF32: | |
d6ab8113 | 12552 | case BFD_RELOC_X86_64_DTPOFF64: |
00f7efb6 | 12553 | case BFD_RELOC_X86_64_TPOFF32: |
d6ab8113 | 12554 | case BFD_RELOC_X86_64_TPOFF64: |
00f7efb6 JJ |
12555 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
12556 | break; | |
12557 | ||
67a4f2b7 AO |
12558 | case BFD_RELOC_386_TLS_DESC_CALL: |
12559 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
12560 | value = 0; /* Fully resolved at runtime. No addend. */ | |
12561 | S_SET_THREAD_LOCAL (fixP->fx_addsy); | |
12562 | fixP->fx_done = 0; | |
12563 | return; | |
12564 | ||
47926f60 KH |
12565 | case BFD_RELOC_VTABLE_INHERIT: |
12566 | case BFD_RELOC_VTABLE_ENTRY: | |
12567 | fixP->fx_done = 0; | |
94f592af | 12568 | return; |
47926f60 KH |
12569 | |
12570 | default: | |
12571 | break; | |
12572 | } | |
12573 | #endif /* defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) */ | |
c6682705 | 12574 | *valP = value; |
f86103b7 | 12575 | #endif /* !defined (TE_Mach) */ |
3e73aa7c | 12576 | |
3e73aa7c | 12577 | /* Are we finished with this relocation now? */ |
c6682705 | 12578 | if (fixP->fx_addsy == NULL) |
b8188555 JB |
12579 | { |
12580 | fixP->fx_done = 1; | |
12581 | switch (fixP->fx_r_type) | |
12582 | { | |
12583 | case BFD_RELOC_X86_64_32S: | |
12584 | fixP->fx_signed = 1; | |
12585 | break; | |
12586 | ||
12587 | default: | |
12588 | break; | |
12589 | } | |
12590 | } | |
fbeb56a4 DK |
12591 | #if defined (OBJ_COFF) && defined (TE_PE) |
12592 | else if (fixP->fx_addsy != NULL && S_IS_WEAK (fixP->fx_addsy)) | |
12593 | { | |
12594 | fixP->fx_done = 0; | |
12595 | /* Remember value for tc_gen_reloc. */ | |
12596 | fixP->fx_addnumber = value; | |
12597 | /* Clear out the frag for now. */ | |
12598 | value = 0; | |
12599 | } | |
12600 | #endif | |
3e73aa7c JH |
12601 | else if (use_rela_relocations) |
12602 | { | |
12603 | fixP->fx_no_overflow = 1; | |
062cd5e7 AS |
12604 | /* Remember value for tc_gen_reloc. */ |
12605 | fixP->fx_addnumber = value; | |
3e73aa7c JH |
12606 | value = 0; |
12607 | } | |
f86103b7 | 12608 | |
94f592af | 12609 | md_number_to_chars (p, value, fixP->fx_size); |
252b5132 | 12610 | } |
252b5132 | 12611 | \f |
6d4af3c2 | 12612 | const char * |
499ac353 | 12613 | md_atof (int type, char *litP, int *sizeP) |
252b5132 | 12614 | { |
499ac353 NC |
12615 | /* This outputs the LITTLENUMs in REVERSE order; |
12616 | in accord with the bigendian 386. */ | |
5b7c81bd | 12617 | return ieee_md_atof (type, litP, sizeP, false); |
252b5132 RH |
12618 | } |
12619 | \f | |
2d545b82 | 12620 | static char output_invalid_buf[sizeof (unsigned char) * 2 + 6]; |
252b5132 | 12621 | |
252b5132 | 12622 | static char * |
e3bb37b5 | 12623 | output_invalid (int c) |
252b5132 | 12624 | { |
3882b010 | 12625 | if (ISPRINT (c)) |
f9f21a03 L |
12626 | snprintf (output_invalid_buf, sizeof (output_invalid_buf), |
12627 | "'%c'", c); | |
252b5132 | 12628 | else |
f9f21a03 | 12629 | snprintf (output_invalid_buf, sizeof (output_invalid_buf), |
2d545b82 | 12630 | "(0x%x)", (unsigned char) c); |
252b5132 RH |
12631 | return output_invalid_buf; |
12632 | } | |
12633 | ||
8a6fb3f9 JB |
12634 | /* Verify that @r can be used in the current context. */ |
12635 | ||
5b7c81bd | 12636 | static bool check_register (const reg_entry *r) |
8a6fb3f9 JB |
12637 | { |
12638 | if (allow_pseudo_reg) | |
5b7c81bd | 12639 | return true; |
8a6fb3f9 JB |
12640 | |
12641 | if (operand_type_all_zero (&r->reg_type)) | |
5b7c81bd | 12642 | return false; |
8a6fb3f9 JB |
12643 | |
12644 | if ((r->reg_type.bitfield.dword | |
12645 | || (r->reg_type.bitfield.class == SReg && r->reg_num > 3) | |
12646 | || r->reg_type.bitfield.class == RegCR | |
22e00a3f | 12647 | || r->reg_type.bitfield.class == RegDR) |
8a6fb3f9 | 12648 | && !cpu_arch_flags.bitfield.cpui386) |
5b7c81bd | 12649 | return false; |
8a6fb3f9 | 12650 | |
22e00a3f JB |
12651 | if (r->reg_type.bitfield.class == RegTR |
12652 | && (flag_code == CODE_64BIT | |
12653 | || !cpu_arch_flags.bitfield.cpui386 | |
12654 | || cpu_arch_isa_flags.bitfield.cpui586 | |
12655 | || cpu_arch_isa_flags.bitfield.cpui686)) | |
5b7c81bd | 12656 | return false; |
22e00a3f | 12657 | |
8a6fb3f9 | 12658 | if (r->reg_type.bitfield.class == RegMMX && !cpu_arch_flags.bitfield.cpummx) |
5b7c81bd | 12659 | return false; |
8a6fb3f9 JB |
12660 | |
12661 | if (!cpu_arch_flags.bitfield.cpuavx512f) | |
12662 | { | |
12663 | if (r->reg_type.bitfield.zmmword | |
12664 | || r->reg_type.bitfield.class == RegMask) | |
5b7c81bd | 12665 | return false; |
8a6fb3f9 JB |
12666 | |
12667 | if (!cpu_arch_flags.bitfield.cpuavx) | |
12668 | { | |
12669 | if (r->reg_type.bitfield.ymmword) | |
5b7c81bd | 12670 | return false; |
8a6fb3f9 JB |
12671 | |
12672 | if (!cpu_arch_flags.bitfield.cpusse && r->reg_type.bitfield.xmmword) | |
5b7c81bd | 12673 | return false; |
8a6fb3f9 JB |
12674 | } |
12675 | } | |
12676 | ||
260cd341 LC |
12677 | if (r->reg_type.bitfield.tmmword |
12678 | && (!cpu_arch_flags.bitfield.cpuamx_tile | |
12679 | || flag_code != CODE_64BIT)) | |
5b7c81bd | 12680 | return false; |
260cd341 | 12681 | |
8a6fb3f9 | 12682 | if (r->reg_type.bitfield.class == RegBND && !cpu_arch_flags.bitfield.cpumpx) |
5b7c81bd | 12683 | return false; |
8a6fb3f9 JB |
12684 | |
12685 | /* Don't allow fake index register unless allow_index_reg isn't 0. */ | |
12686 | if (!allow_index_reg && r->reg_num == RegIZ) | |
5b7c81bd | 12687 | return false; |
8a6fb3f9 JB |
12688 | |
12689 | /* Upper 16 vector registers are only available with VREX in 64bit | |
12690 | mode, and require EVEX encoding. */ | |
12691 | if (r->reg_flags & RegVRex) | |
12692 | { | |
12693 | if (!cpu_arch_flags.bitfield.cpuavx512f | |
12694 | || flag_code != CODE_64BIT) | |
5b7c81bd | 12695 | return false; |
8a6fb3f9 | 12696 | |
da4977e0 JB |
12697 | if (i.vec_encoding == vex_encoding_default) |
12698 | i.vec_encoding = vex_encoding_evex; | |
12699 | else if (i.vec_encoding != vex_encoding_evex) | |
12700 | i.vec_encoding = vex_encoding_error; | |
8a6fb3f9 JB |
12701 | } |
12702 | ||
12703 | if (((r->reg_flags & (RegRex64 | RegRex)) || r->reg_type.bitfield.qword) | |
12704 | && (!cpu_arch_flags.bitfield.cpulm || r->reg_type.bitfield.class != RegCR) | |
12705 | && flag_code != CODE_64BIT) | |
5b7c81bd | 12706 | return false; |
8a6fb3f9 JB |
12707 | |
12708 | if (r->reg_type.bitfield.class == SReg && r->reg_num == RegFlat | |
12709 | && !intel_syntax) | |
5b7c81bd | 12710 | return false; |
8a6fb3f9 | 12711 | |
5b7c81bd | 12712 | return true; |
8a6fb3f9 JB |
12713 | } |
12714 | ||
af6bdddf | 12715 | /* REG_STRING starts *before* REGISTER_PREFIX. */ |
252b5132 RH |
12716 | |
12717 | static const reg_entry * | |
4d1bb795 | 12718 | parse_real_register (char *reg_string, char **end_op) |
252b5132 | 12719 | { |
af6bdddf AM |
12720 | char *s = reg_string; |
12721 | char *p; | |
252b5132 RH |
12722 | char reg_name_given[MAX_REG_NAME_SIZE + 1]; |
12723 | const reg_entry *r; | |
12724 | ||
12725 | /* Skip possible REGISTER_PREFIX and possible whitespace. */ | |
12726 | if (*s == REGISTER_PREFIX) | |
12727 | ++s; | |
12728 | ||
12729 | if (is_space_char (*s)) | |
12730 | ++s; | |
12731 | ||
12732 | p = reg_name_given; | |
af6bdddf | 12733 | while ((*p++ = register_chars[(unsigned char) *s]) != '\0') |
252b5132 RH |
12734 | { |
12735 | if (p >= reg_name_given + MAX_REG_NAME_SIZE) | |
af6bdddf AM |
12736 | return (const reg_entry *) NULL; |
12737 | s++; | |
252b5132 RH |
12738 | } |
12739 | ||
6588847e DN |
12740 | /* For naked regs, make sure that we are not dealing with an identifier. |
12741 | This prevents confusing an identifier like `eax_var' with register | |
12742 | `eax'. */ | |
12743 | if (allow_naked_reg && identifier_chars[(unsigned char) *s]) | |
12744 | return (const reg_entry *) NULL; | |
12745 | ||
af6bdddf | 12746 | *end_op = s; |
252b5132 | 12747 | |
629310ab | 12748 | r = (const reg_entry *) str_hash_find (reg_hash, reg_name_given); |
252b5132 | 12749 | |
5f47d35b | 12750 | /* Handle floating point regs, allowing spaces in the (i) part. */ |
6288d05f | 12751 | if (r == reg_st0) |
5f47d35b | 12752 | { |
0e0eea78 JB |
12753 | if (!cpu_arch_flags.bitfield.cpu8087 |
12754 | && !cpu_arch_flags.bitfield.cpu287 | |
af32b722 JB |
12755 | && !cpu_arch_flags.bitfield.cpu387 |
12756 | && !allow_pseudo_reg) | |
0e0eea78 JB |
12757 | return (const reg_entry *) NULL; |
12758 | ||
5f47d35b AM |
12759 | if (is_space_char (*s)) |
12760 | ++s; | |
12761 | if (*s == '(') | |
12762 | { | |
af6bdddf | 12763 | ++s; |
5f47d35b AM |
12764 | if (is_space_char (*s)) |
12765 | ++s; | |
12766 | if (*s >= '0' && *s <= '7') | |
12767 | { | |
db557034 | 12768 | int fpr = *s - '0'; |
af6bdddf | 12769 | ++s; |
5f47d35b AM |
12770 | if (is_space_char (*s)) |
12771 | ++s; | |
12772 | if (*s == ')') | |
12773 | { | |
12774 | *end_op = s + 1; | |
6288d05f | 12775 | know (r[fpr].reg_num == fpr); |
db557034 | 12776 | return r + fpr; |
5f47d35b | 12777 | } |
5f47d35b | 12778 | } |
47926f60 | 12779 | /* We have "%st(" then garbage. */ |
5f47d35b AM |
12780 | return (const reg_entry *) NULL; |
12781 | } | |
12782 | } | |
12783 | ||
8a6fb3f9 | 12784 | return r && check_register (r) ? r : NULL; |
252b5132 | 12785 | } |
4d1bb795 JB |
12786 | |
12787 | /* REG_STRING starts *before* REGISTER_PREFIX. */ | |
12788 | ||
12789 | static const reg_entry * | |
12790 | parse_register (char *reg_string, char **end_op) | |
12791 | { | |
12792 | const reg_entry *r; | |
12793 | ||
12794 | if (*reg_string == REGISTER_PREFIX || allow_naked_reg) | |
12795 | r = parse_real_register (reg_string, end_op); | |
12796 | else | |
12797 | r = NULL; | |
12798 | if (!r) | |
12799 | { | |
12800 | char *save = input_line_pointer; | |
12801 | char c; | |
12802 | symbolS *symbolP; | |
12803 | ||
12804 | input_line_pointer = reg_string; | |
d02603dc | 12805 | c = get_symbol_name (®_string); |
4d1bb795 JB |
12806 | symbolP = symbol_find (reg_string); |
12807 | if (symbolP && S_GET_SEGMENT (symbolP) == reg_section) | |
12808 | { | |
12809 | const expressionS *e = symbol_get_value_expression (symbolP); | |
12810 | ||
0398aac5 | 12811 | know (e->X_op == O_register); |
4eed87de | 12812 | know (e->X_add_number >= 0 |
c3fe08fa | 12813 | && (valueT) e->X_add_number < i386_regtab_size); |
4d1bb795 | 12814 | r = i386_regtab + e->X_add_number; |
8a6fb3f9 JB |
12815 | if (!check_register (r)) |
12816 | { | |
12817 | as_bad (_("register '%s%s' cannot be used here"), | |
12818 | register_prefix, r->reg_name); | |
12819 | r = &bad_reg; | |
12820 | } | |
4d1bb795 JB |
12821 | *end_op = input_line_pointer; |
12822 | } | |
12823 | *input_line_pointer = c; | |
12824 | input_line_pointer = save; | |
12825 | } | |
12826 | return r; | |
12827 | } | |
12828 | ||
12829 | int | |
12830 | i386_parse_name (char *name, expressionS *e, char *nextcharP) | |
12831 | { | |
12832 | const reg_entry *r; | |
12833 | char *end = input_line_pointer; | |
12834 | ||
12835 | *end = *nextcharP; | |
12836 | r = parse_register (name, &input_line_pointer); | |
12837 | if (r && end <= input_line_pointer) | |
12838 | { | |
12839 | *nextcharP = *input_line_pointer; | |
12840 | *input_line_pointer = 0; | |
8a6fb3f9 JB |
12841 | if (r != &bad_reg) |
12842 | { | |
12843 | e->X_op = O_register; | |
12844 | e->X_add_number = r - i386_regtab; | |
12845 | } | |
12846 | else | |
12847 | e->X_op = O_illegal; | |
4d1bb795 JB |
12848 | return 1; |
12849 | } | |
12850 | input_line_pointer = end; | |
12851 | *end = 0; | |
ee86248c | 12852 | return intel_syntax ? i386_intel_parse_name (name, e) : 0; |
4d1bb795 JB |
12853 | } |
12854 | ||
12855 | void | |
12856 | md_operand (expressionS *e) | |
12857 | { | |
ee86248c JB |
12858 | char *end; |
12859 | const reg_entry *r; | |
4d1bb795 | 12860 | |
ee86248c JB |
12861 | switch (*input_line_pointer) |
12862 | { | |
12863 | case REGISTER_PREFIX: | |
12864 | r = parse_real_register (input_line_pointer, &end); | |
4d1bb795 JB |
12865 | if (r) |
12866 | { | |
12867 | e->X_op = O_register; | |
12868 | e->X_add_number = r - i386_regtab; | |
12869 | input_line_pointer = end; | |
12870 | } | |
ee86248c JB |
12871 | break; |
12872 | ||
12873 | case '[': | |
9c2799c2 | 12874 | gas_assert (intel_syntax); |
ee86248c JB |
12875 | end = input_line_pointer++; |
12876 | expression (e); | |
12877 | if (*input_line_pointer == ']') | |
12878 | { | |
12879 | ++input_line_pointer; | |
12880 | e->X_op_symbol = make_expr_symbol (e); | |
12881 | e->X_add_symbol = NULL; | |
12882 | e->X_add_number = 0; | |
12883 | e->X_op = O_index; | |
12884 | } | |
12885 | else | |
12886 | { | |
12887 | e->X_op = O_absent; | |
12888 | input_line_pointer = end; | |
12889 | } | |
12890 | break; | |
4d1bb795 JB |
12891 | } |
12892 | } | |
12893 | ||
252b5132 | 12894 | \f |
4cc782b5 | 12895 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
b6f8c7c4 | 12896 | const char *md_shortopts = "kVQ:sqnO::"; |
252b5132 | 12897 | #else |
b6f8c7c4 | 12898 | const char *md_shortopts = "qnO::"; |
252b5132 | 12899 | #endif |
6e0b89ee | 12900 | |
3e73aa7c | 12901 | #define OPTION_32 (OPTION_MD_BASE + 0) |
b3b91714 AM |
12902 | #define OPTION_64 (OPTION_MD_BASE + 1) |
12903 | #define OPTION_DIVIDE (OPTION_MD_BASE + 2) | |
9103f4f4 L |
12904 | #define OPTION_MARCH (OPTION_MD_BASE + 3) |
12905 | #define OPTION_MTUNE (OPTION_MD_BASE + 4) | |
1efbbeb4 L |
12906 | #define OPTION_MMNEMONIC (OPTION_MD_BASE + 5) |
12907 | #define OPTION_MSYNTAX (OPTION_MD_BASE + 6) | |
12908 | #define OPTION_MINDEX_REG (OPTION_MD_BASE + 7) | |
12909 | #define OPTION_MNAKED_REG (OPTION_MD_BASE + 8) | |
bd5dea88 | 12910 | #define OPTION_MRELAX_RELOCATIONS (OPTION_MD_BASE + 9) |
c0f3af97 | 12911 | #define OPTION_MSSE2AVX (OPTION_MD_BASE + 10) |
daf50ae7 | 12912 | #define OPTION_MSSE_CHECK (OPTION_MD_BASE + 11) |
7bab8ab5 JB |
12913 | #define OPTION_MOPERAND_CHECK (OPTION_MD_BASE + 12) |
12914 | #define OPTION_MAVXSCALAR (OPTION_MD_BASE + 13) | |
12915 | #define OPTION_X32 (OPTION_MD_BASE + 14) | |
7e8b059b | 12916 | #define OPTION_MADD_BND_PREFIX (OPTION_MD_BASE + 15) |
43234a1e L |
12917 | #define OPTION_MEVEXLIG (OPTION_MD_BASE + 16) |
12918 | #define OPTION_MEVEXWIG (OPTION_MD_BASE + 17) | |
167ad85b | 12919 | #define OPTION_MBIG_OBJ (OPTION_MD_BASE + 18) |
d1982f93 | 12920 | #define OPTION_MOMIT_LOCK_PREFIX (OPTION_MD_BASE + 19) |
d3d3c6db | 12921 | #define OPTION_MEVEXRCIG (OPTION_MD_BASE + 20) |
8dcea932 | 12922 | #define OPTION_MSHARED (OPTION_MD_BASE + 21) |
5db04b09 L |
12923 | #define OPTION_MAMD64 (OPTION_MD_BASE + 22) |
12924 | #define OPTION_MINTEL64 (OPTION_MD_BASE + 23) | |
e4e00185 | 12925 | #define OPTION_MFENCE_AS_LOCK_ADD (OPTION_MD_BASE + 24) |
b4a3a7b4 | 12926 | #define OPTION_X86_USED_NOTE (OPTION_MD_BASE + 25) |
03751133 | 12927 | #define OPTION_MVEXWIG (OPTION_MD_BASE + 26) |
e379e5f3 L |
12928 | #define OPTION_MALIGN_BRANCH_BOUNDARY (OPTION_MD_BASE + 27) |
12929 | #define OPTION_MALIGN_BRANCH_PREFIX_SIZE (OPTION_MD_BASE + 28) | |
12930 | #define OPTION_MALIGN_BRANCH (OPTION_MD_BASE + 29) | |
76cf450b | 12931 | #define OPTION_MBRANCHES_WITH_32B_BOUNDARIES (OPTION_MD_BASE + 30) |
ae531041 L |
12932 | #define OPTION_MLFENCE_AFTER_LOAD (OPTION_MD_BASE + 31) |
12933 | #define OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH (OPTION_MD_BASE + 32) | |
12934 | #define OPTION_MLFENCE_BEFORE_RET (OPTION_MD_BASE + 33) | |
b3b91714 | 12935 | |
99ad8390 NC |
12936 | struct option md_longopts[] = |
12937 | { | |
3e73aa7c | 12938 | {"32", no_argument, NULL, OPTION_32}, |
321098a5 | 12939 | #if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
d382c579 | 12940 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
3e73aa7c | 12941 | {"64", no_argument, NULL, OPTION_64}, |
351f65ca L |
12942 | #endif |
12943 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
570561f7 | 12944 | {"x32", no_argument, NULL, OPTION_X32}, |
8dcea932 | 12945 | {"mshared", no_argument, NULL, OPTION_MSHARED}, |
b4a3a7b4 | 12946 | {"mx86-used-note", required_argument, NULL, OPTION_X86_USED_NOTE}, |
6e0b89ee | 12947 | #endif |
b3b91714 | 12948 | {"divide", no_argument, NULL, OPTION_DIVIDE}, |
9103f4f4 L |
12949 | {"march", required_argument, NULL, OPTION_MARCH}, |
12950 | {"mtune", required_argument, NULL, OPTION_MTUNE}, | |
1efbbeb4 L |
12951 | {"mmnemonic", required_argument, NULL, OPTION_MMNEMONIC}, |
12952 | {"msyntax", required_argument, NULL, OPTION_MSYNTAX}, | |
12953 | {"mindex-reg", no_argument, NULL, OPTION_MINDEX_REG}, | |
12954 | {"mnaked-reg", no_argument, NULL, OPTION_MNAKED_REG}, | |
c0f3af97 | 12955 | {"msse2avx", no_argument, NULL, OPTION_MSSE2AVX}, |
daf50ae7 | 12956 | {"msse-check", required_argument, NULL, OPTION_MSSE_CHECK}, |
7bab8ab5 | 12957 | {"moperand-check", required_argument, NULL, OPTION_MOPERAND_CHECK}, |
539f890d | 12958 | {"mavxscalar", required_argument, NULL, OPTION_MAVXSCALAR}, |
03751133 | 12959 | {"mvexwig", required_argument, NULL, OPTION_MVEXWIG}, |
7e8b059b | 12960 | {"madd-bnd-prefix", no_argument, NULL, OPTION_MADD_BND_PREFIX}, |
43234a1e L |
12961 | {"mevexlig", required_argument, NULL, OPTION_MEVEXLIG}, |
12962 | {"mevexwig", required_argument, NULL, OPTION_MEVEXWIG}, | |
167ad85b TG |
12963 | # if defined (TE_PE) || defined (TE_PEP) |
12964 | {"mbig-obj", no_argument, NULL, OPTION_MBIG_OBJ}, | |
12965 | #endif | |
d1982f93 | 12966 | {"momit-lock-prefix", required_argument, NULL, OPTION_MOMIT_LOCK_PREFIX}, |
e4e00185 | 12967 | {"mfence-as-lock-add", required_argument, NULL, OPTION_MFENCE_AS_LOCK_ADD}, |
0cb4071e | 12968 | {"mrelax-relocations", required_argument, NULL, OPTION_MRELAX_RELOCATIONS}, |
d3d3c6db | 12969 | {"mevexrcig", required_argument, NULL, OPTION_MEVEXRCIG}, |
e379e5f3 L |
12970 | {"malign-branch-boundary", required_argument, NULL, OPTION_MALIGN_BRANCH_BOUNDARY}, |
12971 | {"malign-branch-prefix-size", required_argument, NULL, OPTION_MALIGN_BRANCH_PREFIX_SIZE}, | |
12972 | {"malign-branch", required_argument, NULL, OPTION_MALIGN_BRANCH}, | |
76cf450b | 12973 | {"mbranches-within-32B-boundaries", no_argument, NULL, OPTION_MBRANCHES_WITH_32B_BOUNDARIES}, |
ae531041 L |
12974 | {"mlfence-after-load", required_argument, NULL, OPTION_MLFENCE_AFTER_LOAD}, |
12975 | {"mlfence-before-indirect-branch", required_argument, NULL, | |
12976 | OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH}, | |
12977 | {"mlfence-before-ret", required_argument, NULL, OPTION_MLFENCE_BEFORE_RET}, | |
5db04b09 L |
12978 | {"mamd64", no_argument, NULL, OPTION_MAMD64}, |
12979 | {"mintel64", no_argument, NULL, OPTION_MINTEL64}, | |
252b5132 RH |
12980 | {NULL, no_argument, NULL, 0} |
12981 | }; | |
12982 | size_t md_longopts_size = sizeof (md_longopts); | |
12983 | ||
12984 | int | |
17b9d67d | 12985 | md_parse_option (int c, const char *arg) |
252b5132 | 12986 | { |
91d6fa6a | 12987 | unsigned int j; |
e379e5f3 | 12988 | char *arch, *next, *saved, *type; |
9103f4f4 | 12989 | |
252b5132 RH |
12990 | switch (c) |
12991 | { | |
12b55ccc L |
12992 | case 'n': |
12993 | optimize_align_code = 0; | |
12994 | break; | |
12995 | ||
a38cf1db AM |
12996 | case 'q': |
12997 | quiet_warnings = 1; | |
252b5132 RH |
12998 | break; |
12999 | ||
13000 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
a38cf1db AM |
13001 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section |
13002 | should be emitted or not. FIXME: Not implemented. */ | |
13003 | case 'Q': | |
d4693039 JB |
13004 | if ((arg[0] != 'y' && arg[0] != 'n') || arg[1]) |
13005 | return 0; | |
252b5132 RH |
13006 | break; |
13007 | ||
13008 | /* -V: SVR4 argument to print version ID. */ | |
13009 | case 'V': | |
13010 | print_version_id (); | |
13011 | break; | |
13012 | ||
a38cf1db AM |
13013 | /* -k: Ignore for FreeBSD compatibility. */ |
13014 | case 'k': | |
252b5132 | 13015 | break; |
4cc782b5 ILT |
13016 | |
13017 | case 's': | |
13018 | /* -s: On i386 Solaris, this tells the native assembler to use | |
29b0f896 | 13019 | .stab instead of .stab.excl. We always use .stab anyhow. */ |
4cc782b5 | 13020 | break; |
8dcea932 L |
13021 | |
13022 | case OPTION_MSHARED: | |
13023 | shared = 1; | |
13024 | break; | |
b4a3a7b4 L |
13025 | |
13026 | case OPTION_X86_USED_NOTE: | |
13027 | if (strcasecmp (arg, "yes") == 0) | |
13028 | x86_used_note = 1; | |
13029 | else if (strcasecmp (arg, "no") == 0) | |
13030 | x86_used_note = 0; | |
13031 | else | |
13032 | as_fatal (_("invalid -mx86-used-note= option: `%s'"), arg); | |
13033 | break; | |
13034 | ||
13035 | ||
99ad8390 | 13036 | #endif |
321098a5 | 13037 | #if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
d382c579 | 13038 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
3e73aa7c JH |
13039 | case OPTION_64: |
13040 | { | |
13041 | const char **list, **l; | |
13042 | ||
3e73aa7c JH |
13043 | list = bfd_target_list (); |
13044 | for (l = list; *l != NULL; l++) | |
08dedd66 | 13045 | if (startswith (*l, "elf64-x86-64") |
99ad8390 NC |
13046 | || strcmp (*l, "coff-x86-64") == 0 |
13047 | || strcmp (*l, "pe-x86-64") == 0 | |
d382c579 TG |
13048 | || strcmp (*l, "pei-x86-64") == 0 |
13049 | || strcmp (*l, "mach-o-x86-64") == 0) | |
6e0b89ee AM |
13050 | { |
13051 | default_arch = "x86_64"; | |
13052 | break; | |
13053 | } | |
3e73aa7c | 13054 | if (*l == NULL) |
2b5d6a91 | 13055 | as_fatal (_("no compiled in support for x86_64")); |
3e73aa7c JH |
13056 | free (list); |
13057 | } | |
13058 | break; | |
13059 | #endif | |
252b5132 | 13060 | |
351f65ca | 13061 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
570561f7 | 13062 | case OPTION_X32: |
351f65ca L |
13063 | if (IS_ELF) |
13064 | { | |
13065 | const char **list, **l; | |
13066 | ||
13067 | list = bfd_target_list (); | |
13068 | for (l = list; *l != NULL; l++) | |
08dedd66 | 13069 | if (startswith (*l, "elf32-x86-64")) |
351f65ca L |
13070 | { |
13071 | default_arch = "x86_64:32"; | |
13072 | break; | |
13073 | } | |
13074 | if (*l == NULL) | |
2b5d6a91 | 13075 | as_fatal (_("no compiled in support for 32bit x86_64")); |
351f65ca L |
13076 | free (list); |
13077 | } | |
13078 | else | |
13079 | as_fatal (_("32bit x86_64 is only supported for ELF")); | |
13080 | break; | |
13081 | #endif | |
13082 | ||
6e0b89ee AM |
13083 | case OPTION_32: |
13084 | default_arch = "i386"; | |
13085 | break; | |
13086 | ||
b3b91714 AM |
13087 | case OPTION_DIVIDE: |
13088 | #ifdef SVR4_COMMENT_CHARS | |
13089 | { | |
13090 | char *n, *t; | |
13091 | const char *s; | |
13092 | ||
add39d23 | 13093 | n = XNEWVEC (char, strlen (i386_comment_chars) + 1); |
b3b91714 AM |
13094 | t = n; |
13095 | for (s = i386_comment_chars; *s != '\0'; s++) | |
13096 | if (*s != '/') | |
13097 | *t++ = *s; | |
13098 | *t = '\0'; | |
13099 | i386_comment_chars = n; | |
13100 | } | |
13101 | #endif | |
13102 | break; | |
13103 | ||
9103f4f4 | 13104 | case OPTION_MARCH: |
293f5f65 L |
13105 | saved = xstrdup (arg); |
13106 | arch = saved; | |
13107 | /* Allow -march=+nosse. */ | |
13108 | if (*arch == '+') | |
13109 | arch++; | |
6305a203 | 13110 | do |
9103f4f4 | 13111 | { |
6305a203 | 13112 | if (*arch == '.') |
2b5d6a91 | 13113 | as_fatal (_("invalid -march= option: `%s'"), arg); |
6305a203 L |
13114 | next = strchr (arch, '+'); |
13115 | if (next) | |
13116 | *next++ = '\0'; | |
91d6fa6a | 13117 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) |
9103f4f4 | 13118 | { |
91d6fa6a | 13119 | if (strcmp (arch, cpu_arch [j].name) == 0) |
ccc9c027 | 13120 | { |
6305a203 | 13121 | /* Processor. */ |
1ded5609 JB |
13122 | if (! cpu_arch[j].flags.bitfield.cpui386) |
13123 | continue; | |
13124 | ||
91d6fa6a | 13125 | cpu_arch_name = cpu_arch[j].name; |
6305a203 | 13126 | cpu_sub_arch_name = NULL; |
91d6fa6a NC |
13127 | cpu_arch_flags = cpu_arch[j].flags; |
13128 | cpu_arch_isa = cpu_arch[j].type; | |
13129 | cpu_arch_isa_flags = cpu_arch[j].flags; | |
6305a203 L |
13130 | if (!cpu_arch_tune_set) |
13131 | { | |
13132 | cpu_arch_tune = cpu_arch_isa; | |
13133 | cpu_arch_tune_flags = cpu_arch_isa_flags; | |
13134 | } | |
13135 | break; | |
13136 | } | |
91d6fa6a NC |
13137 | else if (*cpu_arch [j].name == '.' |
13138 | && strcmp (arch, cpu_arch [j].name + 1) == 0) | |
6305a203 | 13139 | { |
33eaf5de | 13140 | /* ISA extension. */ |
6305a203 | 13141 | i386_cpu_flags flags; |
309d3373 | 13142 | |
293f5f65 L |
13143 | flags = cpu_flags_or (cpu_arch_flags, |
13144 | cpu_arch[j].flags); | |
81486035 | 13145 | |
5b64d091 | 13146 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) |
6305a203 L |
13147 | { |
13148 | if (cpu_sub_arch_name) | |
13149 | { | |
13150 | char *name = cpu_sub_arch_name; | |
13151 | cpu_sub_arch_name = concat (name, | |
91d6fa6a | 13152 | cpu_arch[j].name, |
1bf57e9f | 13153 | (const char *) NULL); |
6305a203 L |
13154 | free (name); |
13155 | } | |
13156 | else | |
91d6fa6a | 13157 | cpu_sub_arch_name = xstrdup (cpu_arch[j].name); |
6305a203 | 13158 | cpu_arch_flags = flags; |
a586129e | 13159 | cpu_arch_isa_flags = flags; |
6305a203 | 13160 | } |
0089dace L |
13161 | else |
13162 | cpu_arch_isa_flags | |
13163 | = cpu_flags_or (cpu_arch_isa_flags, | |
13164 | cpu_arch[j].flags); | |
6305a203 | 13165 | break; |
ccc9c027 | 13166 | } |
9103f4f4 | 13167 | } |
6305a203 | 13168 | |
293f5f65 L |
13169 | if (j >= ARRAY_SIZE (cpu_arch)) |
13170 | { | |
33eaf5de | 13171 | /* Disable an ISA extension. */ |
293f5f65 L |
13172 | for (j = 0; j < ARRAY_SIZE (cpu_noarch); j++) |
13173 | if (strcmp (arch, cpu_noarch [j].name) == 0) | |
13174 | { | |
13175 | i386_cpu_flags flags; | |
13176 | ||
13177 | flags = cpu_flags_and_not (cpu_arch_flags, | |
13178 | cpu_noarch[j].flags); | |
13179 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) | |
13180 | { | |
13181 | if (cpu_sub_arch_name) | |
13182 | { | |
13183 | char *name = cpu_sub_arch_name; | |
13184 | cpu_sub_arch_name = concat (arch, | |
13185 | (const char *) NULL); | |
13186 | free (name); | |
13187 | } | |
13188 | else | |
13189 | cpu_sub_arch_name = xstrdup (arch); | |
13190 | cpu_arch_flags = flags; | |
13191 | cpu_arch_isa_flags = flags; | |
13192 | } | |
13193 | break; | |
13194 | } | |
13195 | ||
13196 | if (j >= ARRAY_SIZE (cpu_noarch)) | |
13197 | j = ARRAY_SIZE (cpu_arch); | |
13198 | } | |
13199 | ||
91d6fa6a | 13200 | if (j >= ARRAY_SIZE (cpu_arch)) |
2b5d6a91 | 13201 | as_fatal (_("invalid -march= option: `%s'"), arg); |
6305a203 L |
13202 | |
13203 | arch = next; | |
9103f4f4 | 13204 | } |
293f5f65 L |
13205 | while (next != NULL); |
13206 | free (saved); | |
9103f4f4 L |
13207 | break; |
13208 | ||
13209 | case OPTION_MTUNE: | |
13210 | if (*arg == '.') | |
2b5d6a91 | 13211 | as_fatal (_("invalid -mtune= option: `%s'"), arg); |
91d6fa6a | 13212 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) |
9103f4f4 | 13213 | { |
91d6fa6a | 13214 | if (strcmp (arg, cpu_arch [j].name) == 0) |
9103f4f4 | 13215 | { |
ccc9c027 | 13216 | cpu_arch_tune_set = 1; |
91d6fa6a NC |
13217 | cpu_arch_tune = cpu_arch [j].type; |
13218 | cpu_arch_tune_flags = cpu_arch[j].flags; | |
9103f4f4 L |
13219 | break; |
13220 | } | |
13221 | } | |
91d6fa6a | 13222 | if (j >= ARRAY_SIZE (cpu_arch)) |
2b5d6a91 | 13223 | as_fatal (_("invalid -mtune= option: `%s'"), arg); |
9103f4f4 L |
13224 | break; |
13225 | ||
1efbbeb4 L |
13226 | case OPTION_MMNEMONIC: |
13227 | if (strcasecmp (arg, "att") == 0) | |
13228 | intel_mnemonic = 0; | |
13229 | else if (strcasecmp (arg, "intel") == 0) | |
13230 | intel_mnemonic = 1; | |
13231 | else | |
2b5d6a91 | 13232 | as_fatal (_("invalid -mmnemonic= option: `%s'"), arg); |
1efbbeb4 L |
13233 | break; |
13234 | ||
13235 | case OPTION_MSYNTAX: | |
13236 | if (strcasecmp (arg, "att") == 0) | |
13237 | intel_syntax = 0; | |
13238 | else if (strcasecmp (arg, "intel") == 0) | |
13239 | intel_syntax = 1; | |
13240 | else | |
2b5d6a91 | 13241 | as_fatal (_("invalid -msyntax= option: `%s'"), arg); |
1efbbeb4 L |
13242 | break; |
13243 | ||
13244 | case OPTION_MINDEX_REG: | |
13245 | allow_index_reg = 1; | |
13246 | break; | |
13247 | ||
13248 | case OPTION_MNAKED_REG: | |
13249 | allow_naked_reg = 1; | |
13250 | break; | |
13251 | ||
c0f3af97 L |
13252 | case OPTION_MSSE2AVX: |
13253 | sse2avx = 1; | |
13254 | break; | |
13255 | ||
daf50ae7 L |
13256 | case OPTION_MSSE_CHECK: |
13257 | if (strcasecmp (arg, "error") == 0) | |
7bab8ab5 | 13258 | sse_check = check_error; |
daf50ae7 | 13259 | else if (strcasecmp (arg, "warning") == 0) |
7bab8ab5 | 13260 | sse_check = check_warning; |
daf50ae7 | 13261 | else if (strcasecmp (arg, "none") == 0) |
7bab8ab5 | 13262 | sse_check = check_none; |
daf50ae7 | 13263 | else |
2b5d6a91 | 13264 | as_fatal (_("invalid -msse-check= option: `%s'"), arg); |
daf50ae7 L |
13265 | break; |
13266 | ||
7bab8ab5 JB |
13267 | case OPTION_MOPERAND_CHECK: |
13268 | if (strcasecmp (arg, "error") == 0) | |
13269 | operand_check = check_error; | |
13270 | else if (strcasecmp (arg, "warning") == 0) | |
13271 | operand_check = check_warning; | |
13272 | else if (strcasecmp (arg, "none") == 0) | |
13273 | operand_check = check_none; | |
13274 | else | |
13275 | as_fatal (_("invalid -moperand-check= option: `%s'"), arg); | |
13276 | break; | |
13277 | ||
539f890d L |
13278 | case OPTION_MAVXSCALAR: |
13279 | if (strcasecmp (arg, "128") == 0) | |
13280 | avxscalar = vex128; | |
13281 | else if (strcasecmp (arg, "256") == 0) | |
13282 | avxscalar = vex256; | |
13283 | else | |
2b5d6a91 | 13284 | as_fatal (_("invalid -mavxscalar= option: `%s'"), arg); |
539f890d L |
13285 | break; |
13286 | ||
03751133 L |
13287 | case OPTION_MVEXWIG: |
13288 | if (strcmp (arg, "0") == 0) | |
40c9c8de | 13289 | vexwig = vexw0; |
03751133 | 13290 | else if (strcmp (arg, "1") == 0) |
40c9c8de | 13291 | vexwig = vexw1; |
03751133 L |
13292 | else |
13293 | as_fatal (_("invalid -mvexwig= option: `%s'"), arg); | |
13294 | break; | |
13295 | ||
7e8b059b L |
13296 | case OPTION_MADD_BND_PREFIX: |
13297 | add_bnd_prefix = 1; | |
13298 | break; | |
13299 | ||
43234a1e L |
13300 | case OPTION_MEVEXLIG: |
13301 | if (strcmp (arg, "128") == 0) | |
13302 | evexlig = evexl128; | |
13303 | else if (strcmp (arg, "256") == 0) | |
13304 | evexlig = evexl256; | |
13305 | else if (strcmp (arg, "512") == 0) | |
13306 | evexlig = evexl512; | |
13307 | else | |
13308 | as_fatal (_("invalid -mevexlig= option: `%s'"), arg); | |
13309 | break; | |
13310 | ||
d3d3c6db IT |
13311 | case OPTION_MEVEXRCIG: |
13312 | if (strcmp (arg, "rne") == 0) | |
13313 | evexrcig = rne; | |
13314 | else if (strcmp (arg, "rd") == 0) | |
13315 | evexrcig = rd; | |
13316 | else if (strcmp (arg, "ru") == 0) | |
13317 | evexrcig = ru; | |
13318 | else if (strcmp (arg, "rz") == 0) | |
13319 | evexrcig = rz; | |
13320 | else | |
13321 | as_fatal (_("invalid -mevexrcig= option: `%s'"), arg); | |
13322 | break; | |
13323 | ||
43234a1e L |
13324 | case OPTION_MEVEXWIG: |
13325 | if (strcmp (arg, "0") == 0) | |
13326 | evexwig = evexw0; | |
13327 | else if (strcmp (arg, "1") == 0) | |
13328 | evexwig = evexw1; | |
13329 | else | |
13330 | as_fatal (_("invalid -mevexwig= option: `%s'"), arg); | |
13331 | break; | |
13332 | ||
167ad85b TG |
13333 | # if defined (TE_PE) || defined (TE_PEP) |
13334 | case OPTION_MBIG_OBJ: | |
13335 | use_big_obj = 1; | |
13336 | break; | |
13337 | #endif | |
13338 | ||
d1982f93 | 13339 | case OPTION_MOMIT_LOCK_PREFIX: |
d022bddd IT |
13340 | if (strcasecmp (arg, "yes") == 0) |
13341 | omit_lock_prefix = 1; | |
13342 | else if (strcasecmp (arg, "no") == 0) | |
13343 | omit_lock_prefix = 0; | |
13344 | else | |
13345 | as_fatal (_("invalid -momit-lock-prefix= option: `%s'"), arg); | |
13346 | break; | |
13347 | ||
e4e00185 AS |
13348 | case OPTION_MFENCE_AS_LOCK_ADD: |
13349 | if (strcasecmp (arg, "yes") == 0) | |
13350 | avoid_fence = 1; | |
13351 | else if (strcasecmp (arg, "no") == 0) | |
13352 | avoid_fence = 0; | |
13353 | else | |
13354 | as_fatal (_("invalid -mfence-as-lock-add= option: `%s'"), arg); | |
13355 | break; | |
13356 | ||
ae531041 L |
13357 | case OPTION_MLFENCE_AFTER_LOAD: |
13358 | if (strcasecmp (arg, "yes") == 0) | |
13359 | lfence_after_load = 1; | |
13360 | else if (strcasecmp (arg, "no") == 0) | |
13361 | lfence_after_load = 0; | |
13362 | else | |
13363 | as_fatal (_("invalid -mlfence-after-load= option: `%s'"), arg); | |
13364 | break; | |
13365 | ||
13366 | case OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH: | |
13367 | if (strcasecmp (arg, "all") == 0) | |
a09f656b | 13368 | { |
13369 | lfence_before_indirect_branch = lfence_branch_all; | |
13370 | if (lfence_before_ret == lfence_before_ret_none) | |
13371 | lfence_before_ret = lfence_before_ret_shl; | |
13372 | } | |
ae531041 L |
13373 | else if (strcasecmp (arg, "memory") == 0) |
13374 | lfence_before_indirect_branch = lfence_branch_memory; | |
13375 | else if (strcasecmp (arg, "register") == 0) | |
13376 | lfence_before_indirect_branch = lfence_branch_register; | |
13377 | else if (strcasecmp (arg, "none") == 0) | |
13378 | lfence_before_indirect_branch = lfence_branch_none; | |
13379 | else | |
13380 | as_fatal (_("invalid -mlfence-before-indirect-branch= option: `%s'"), | |
13381 | arg); | |
13382 | break; | |
13383 | ||
13384 | case OPTION_MLFENCE_BEFORE_RET: | |
13385 | if (strcasecmp (arg, "or") == 0) | |
13386 | lfence_before_ret = lfence_before_ret_or; | |
13387 | else if (strcasecmp (arg, "not") == 0) | |
13388 | lfence_before_ret = lfence_before_ret_not; | |
a09f656b | 13389 | else if (strcasecmp (arg, "shl") == 0 || strcasecmp (arg, "yes") == 0) |
13390 | lfence_before_ret = lfence_before_ret_shl; | |
ae531041 L |
13391 | else if (strcasecmp (arg, "none") == 0) |
13392 | lfence_before_ret = lfence_before_ret_none; | |
13393 | else | |
13394 | as_fatal (_("invalid -mlfence-before-ret= option: `%s'"), | |
13395 | arg); | |
13396 | break; | |
13397 | ||
0cb4071e L |
13398 | case OPTION_MRELAX_RELOCATIONS: |
13399 | if (strcasecmp (arg, "yes") == 0) | |
13400 | generate_relax_relocations = 1; | |
13401 | else if (strcasecmp (arg, "no") == 0) | |
13402 | generate_relax_relocations = 0; | |
13403 | else | |
13404 | as_fatal (_("invalid -mrelax-relocations= option: `%s'"), arg); | |
13405 | break; | |
13406 | ||
e379e5f3 L |
13407 | case OPTION_MALIGN_BRANCH_BOUNDARY: |
13408 | { | |
13409 | char *end; | |
13410 | long int align = strtoul (arg, &end, 0); | |
13411 | if (*end == '\0') | |
13412 | { | |
13413 | if (align == 0) | |
13414 | { | |
13415 | align_branch_power = 0; | |
13416 | break; | |
13417 | } | |
13418 | else if (align >= 16) | |
13419 | { | |
13420 | int align_power; | |
13421 | for (align_power = 0; | |
13422 | (align & 1) == 0; | |
13423 | align >>= 1, align_power++) | |
13424 | continue; | |
13425 | /* Limit alignment power to 31. */ | |
13426 | if (align == 1 && align_power < 32) | |
13427 | { | |
13428 | align_branch_power = align_power; | |
13429 | break; | |
13430 | } | |
13431 | } | |
13432 | } | |
13433 | as_fatal (_("invalid -malign-branch-boundary= value: %s"), arg); | |
13434 | } | |
13435 | break; | |
13436 | ||
13437 | case OPTION_MALIGN_BRANCH_PREFIX_SIZE: | |
13438 | { | |
13439 | char *end; | |
13440 | int align = strtoul (arg, &end, 0); | |
13441 | /* Some processors only support 5 prefixes. */ | |
13442 | if (*end == '\0' && align >= 0 && align < 6) | |
13443 | { | |
13444 | align_branch_prefix_size = align; | |
13445 | break; | |
13446 | } | |
13447 | as_fatal (_("invalid -malign-branch-prefix-size= value: %s"), | |
13448 | arg); | |
13449 | } | |
13450 | break; | |
13451 | ||
13452 | case OPTION_MALIGN_BRANCH: | |
13453 | align_branch = 0; | |
13454 | saved = xstrdup (arg); | |
13455 | type = saved; | |
13456 | do | |
13457 | { | |
13458 | next = strchr (type, '+'); | |
13459 | if (next) | |
13460 | *next++ = '\0'; | |
13461 | if (strcasecmp (type, "jcc") == 0) | |
13462 | align_branch |= align_branch_jcc_bit; | |
13463 | else if (strcasecmp (type, "fused") == 0) | |
13464 | align_branch |= align_branch_fused_bit; | |
13465 | else if (strcasecmp (type, "jmp") == 0) | |
13466 | align_branch |= align_branch_jmp_bit; | |
13467 | else if (strcasecmp (type, "call") == 0) | |
13468 | align_branch |= align_branch_call_bit; | |
13469 | else if (strcasecmp (type, "ret") == 0) | |
13470 | align_branch |= align_branch_ret_bit; | |
13471 | else if (strcasecmp (type, "indirect") == 0) | |
13472 | align_branch |= align_branch_indirect_bit; | |
13473 | else | |
13474 | as_fatal (_("invalid -malign-branch= option: `%s'"), arg); | |
13475 | type = next; | |
13476 | } | |
13477 | while (next != NULL); | |
13478 | free (saved); | |
13479 | break; | |
13480 | ||
76cf450b L |
13481 | case OPTION_MBRANCHES_WITH_32B_BOUNDARIES: |
13482 | align_branch_power = 5; | |
13483 | align_branch_prefix_size = 5; | |
13484 | align_branch = (align_branch_jcc_bit | |
13485 | | align_branch_fused_bit | |
13486 | | align_branch_jmp_bit); | |
13487 | break; | |
13488 | ||
5db04b09 | 13489 | case OPTION_MAMD64: |
4b5aaf5f | 13490 | isa64 = amd64; |
5db04b09 L |
13491 | break; |
13492 | ||
13493 | case OPTION_MINTEL64: | |
4b5aaf5f | 13494 | isa64 = intel64; |
5db04b09 L |
13495 | break; |
13496 | ||
b6f8c7c4 L |
13497 | case 'O': |
13498 | if (arg == NULL) | |
13499 | { | |
13500 | optimize = 1; | |
13501 | /* Turn off -Os. */ | |
13502 | optimize_for_space = 0; | |
13503 | } | |
13504 | else if (*arg == 's') | |
13505 | { | |
13506 | optimize_for_space = 1; | |
13507 | /* Turn on all encoding optimizations. */ | |
41fd2579 | 13508 | optimize = INT_MAX; |
b6f8c7c4 L |
13509 | } |
13510 | else | |
13511 | { | |
13512 | optimize = atoi (arg); | |
13513 | /* Turn off -Os. */ | |
13514 | optimize_for_space = 0; | |
13515 | } | |
13516 | break; | |
13517 | ||
252b5132 RH |
13518 | default: |
13519 | return 0; | |
13520 | } | |
13521 | return 1; | |
13522 | } | |
13523 | ||
8a2c8fef L |
13524 | #define MESSAGE_TEMPLATE \ |
13525 | " " | |
13526 | ||
293f5f65 L |
13527 | static char * |
13528 | output_message (FILE *stream, char *p, char *message, char *start, | |
13529 | int *left_p, const char *name, int len) | |
13530 | { | |
13531 | int size = sizeof (MESSAGE_TEMPLATE); | |
13532 | int left = *left_p; | |
13533 | ||
13534 | /* Reserve 2 spaces for ", " or ",\0" */ | |
13535 | left -= len + 2; | |
13536 | ||
13537 | /* Check if there is any room. */ | |
13538 | if (left >= 0) | |
13539 | { | |
13540 | if (p != start) | |
13541 | { | |
13542 | *p++ = ','; | |
13543 | *p++ = ' '; | |
13544 | } | |
13545 | p = mempcpy (p, name, len); | |
13546 | } | |
13547 | else | |
13548 | { | |
13549 | /* Output the current message now and start a new one. */ | |
13550 | *p++ = ','; | |
13551 | *p = '\0'; | |
13552 | fprintf (stream, "%s\n", message); | |
13553 | p = start; | |
13554 | left = size - (start - message) - len - 2; | |
13555 | ||
13556 | gas_assert (left >= 0); | |
13557 | ||
13558 | p = mempcpy (p, name, len); | |
13559 | } | |
13560 | ||
13561 | *left_p = left; | |
13562 | return p; | |
13563 | } | |
13564 | ||
8a2c8fef | 13565 | static void |
1ded5609 | 13566 | show_arch (FILE *stream, int ext, int check) |
8a2c8fef L |
13567 | { |
13568 | static char message[] = MESSAGE_TEMPLATE; | |
13569 | char *start = message + 27; | |
13570 | char *p; | |
13571 | int size = sizeof (MESSAGE_TEMPLATE); | |
13572 | int left; | |
13573 | const char *name; | |
13574 | int len; | |
13575 | unsigned int j; | |
13576 | ||
13577 | p = start; | |
13578 | left = size - (start - message); | |
13579 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) | |
13580 | { | |
13581 | /* Should it be skipped? */ | |
13582 | if (cpu_arch [j].skip) | |
13583 | continue; | |
13584 | ||
13585 | name = cpu_arch [j].name; | |
13586 | len = cpu_arch [j].len; | |
13587 | if (*name == '.') | |
13588 | { | |
13589 | /* It is an extension. Skip if we aren't asked to show it. */ | |
13590 | if (ext) | |
13591 | { | |
13592 | name++; | |
13593 | len--; | |
13594 | } | |
13595 | else | |
13596 | continue; | |
13597 | } | |
13598 | else if (ext) | |
13599 | { | |
13600 | /* It is an processor. Skip if we show only extension. */ | |
13601 | continue; | |
13602 | } | |
1ded5609 JB |
13603 | else if (check && ! cpu_arch[j].flags.bitfield.cpui386) |
13604 | { | |
13605 | /* It is an impossible processor - skip. */ | |
13606 | continue; | |
13607 | } | |
8a2c8fef | 13608 | |
293f5f65 | 13609 | p = output_message (stream, p, message, start, &left, name, len); |
8a2c8fef L |
13610 | } |
13611 | ||
293f5f65 L |
13612 | /* Display disabled extensions. */ |
13613 | if (ext) | |
13614 | for (j = 0; j < ARRAY_SIZE (cpu_noarch); j++) | |
13615 | { | |
13616 | name = cpu_noarch [j].name; | |
13617 | len = cpu_noarch [j].len; | |
13618 | p = output_message (stream, p, message, start, &left, name, | |
13619 | len); | |
13620 | } | |
13621 | ||
8a2c8fef L |
13622 | *p = '\0'; |
13623 | fprintf (stream, "%s\n", message); | |
13624 | } | |
13625 | ||
252b5132 | 13626 | void |
8a2c8fef | 13627 | md_show_usage (FILE *stream) |
252b5132 | 13628 | { |
4cc782b5 ILT |
13629 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
13630 | fprintf (stream, _("\ | |
d4693039 | 13631 | -Qy, -Qn ignored\n\ |
a38cf1db | 13632 | -V print assembler version number\n\ |
b3b91714 AM |
13633 | -k ignored\n")); |
13634 | #endif | |
13635 | fprintf (stream, _("\ | |
12b55ccc | 13636 | -n Do not optimize code alignment\n\ |
b3b91714 AM |
13637 | -q quieten some warnings\n")); |
13638 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
13639 | fprintf (stream, _("\ | |
a38cf1db | 13640 | -s ignored\n")); |
b3b91714 | 13641 | #endif |
d7f449c0 L |
13642 | #if defined BFD64 && (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
13643 | || defined (TE_PE) || defined (TE_PEP)) | |
751d281c | 13644 | fprintf (stream, _("\ |
570561f7 | 13645 | --32/--64/--x32 generate 32bit/64bit/x32 code\n")); |
751d281c | 13646 | #endif |
b3b91714 AM |
13647 | #ifdef SVR4_COMMENT_CHARS |
13648 | fprintf (stream, _("\ | |
13649 | --divide do not treat `/' as a comment character\n")); | |
a38cf1db AM |
13650 | #else |
13651 | fprintf (stream, _("\ | |
b3b91714 | 13652 | --divide ignored\n")); |
4cc782b5 | 13653 | #endif |
9103f4f4 | 13654 | fprintf (stream, _("\ |
6305a203 | 13655 | -march=CPU[,+EXTENSION...]\n\ |
8a2c8fef | 13656 | generate code for CPU and EXTENSION, CPU is one of:\n")); |
1ded5609 | 13657 | show_arch (stream, 0, 1); |
8a2c8fef L |
13658 | fprintf (stream, _("\ |
13659 | EXTENSION is combination of:\n")); | |
1ded5609 | 13660 | show_arch (stream, 1, 0); |
6305a203 | 13661 | fprintf (stream, _("\ |
8a2c8fef | 13662 | -mtune=CPU optimize for CPU, CPU is one of:\n")); |
1ded5609 | 13663 | show_arch (stream, 0, 0); |
ba104c83 | 13664 | fprintf (stream, _("\ |
c0f3af97 L |
13665 | -msse2avx encode SSE instructions with VEX prefix\n")); |
13666 | fprintf (stream, _("\ | |
7c5c05ef | 13667 | -msse-check=[none|error|warning] (default: warning)\n\ |
daf50ae7 L |
13668 | check SSE instructions\n")); |
13669 | fprintf (stream, _("\ | |
7c5c05ef | 13670 | -moperand-check=[none|error|warning] (default: warning)\n\ |
7bab8ab5 JB |
13671 | check operand combinations for validity\n")); |
13672 | fprintf (stream, _("\ | |
7c5c05ef L |
13673 | -mavxscalar=[128|256] (default: 128)\n\ |
13674 | encode scalar AVX instructions with specific vector\n\ | |
539f890d L |
13675 | length\n")); |
13676 | fprintf (stream, _("\ | |
03751133 L |
13677 | -mvexwig=[0|1] (default: 0)\n\ |
13678 | encode VEX instructions with specific VEX.W value\n\ | |
13679 | for VEX.W bit ignored instructions\n")); | |
13680 | fprintf (stream, _("\ | |
7c5c05ef L |
13681 | -mevexlig=[128|256|512] (default: 128)\n\ |
13682 | encode scalar EVEX instructions with specific vector\n\ | |
43234a1e L |
13683 | length\n")); |
13684 | fprintf (stream, _("\ | |
7c5c05ef L |
13685 | -mevexwig=[0|1] (default: 0)\n\ |
13686 | encode EVEX instructions with specific EVEX.W value\n\ | |
43234a1e L |
13687 | for EVEX.W bit ignored instructions\n")); |
13688 | fprintf (stream, _("\ | |
7c5c05ef | 13689 | -mevexrcig=[rne|rd|ru|rz] (default: rne)\n\ |
d3d3c6db IT |
13690 | encode EVEX instructions with specific EVEX.RC value\n\ |
13691 | for SAE-only ignored instructions\n")); | |
13692 | fprintf (stream, _("\ | |
7c5c05ef L |
13693 | -mmnemonic=[att|intel] ")); |
13694 | if (SYSV386_COMPAT) | |
13695 | fprintf (stream, _("(default: att)\n")); | |
13696 | else | |
13697 | fprintf (stream, _("(default: intel)\n")); | |
13698 | fprintf (stream, _("\ | |
13699 | use AT&T/Intel mnemonic\n")); | |
ba104c83 | 13700 | fprintf (stream, _("\ |
7c5c05ef L |
13701 | -msyntax=[att|intel] (default: att)\n\ |
13702 | use AT&T/Intel syntax\n")); | |
ba104c83 L |
13703 | fprintf (stream, _("\ |
13704 | -mindex-reg support pseudo index registers\n")); | |
13705 | fprintf (stream, _("\ | |
13706 | -mnaked-reg don't require `%%' prefix for registers\n")); | |
13707 | fprintf (stream, _("\ | |
7e8b059b | 13708 | -madd-bnd-prefix add BND prefix for all valid branches\n")); |
b4a3a7b4 | 13709 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8dcea932 L |
13710 | fprintf (stream, _("\ |
13711 | -mshared disable branch optimization for shared code\n")); | |
b4a3a7b4 L |
13712 | fprintf (stream, _("\ |
13713 | -mx86-used-note=[no|yes] ")); | |
13714 | if (DEFAULT_X86_USED_NOTE) | |
13715 | fprintf (stream, _("(default: yes)\n")); | |
13716 | else | |
13717 | fprintf (stream, _("(default: no)\n")); | |
13718 | fprintf (stream, _("\ | |
13719 | generate x86 used ISA and feature properties\n")); | |
13720 | #endif | |
13721 | #if defined (TE_PE) || defined (TE_PEP) | |
167ad85b TG |
13722 | fprintf (stream, _("\ |
13723 | -mbig-obj generate big object files\n")); | |
13724 | #endif | |
d022bddd | 13725 | fprintf (stream, _("\ |
7c5c05ef | 13726 | -momit-lock-prefix=[no|yes] (default: no)\n\ |
d022bddd | 13727 | strip all lock prefixes\n")); |
5db04b09 | 13728 | fprintf (stream, _("\ |
7c5c05ef | 13729 | -mfence-as-lock-add=[no|yes] (default: no)\n\ |
e4e00185 AS |
13730 | encode lfence, mfence and sfence as\n\ |
13731 | lock addl $0x0, (%%{re}sp)\n")); | |
13732 | fprintf (stream, _("\ | |
7c5c05ef L |
13733 | -mrelax-relocations=[no|yes] ")); |
13734 | if (DEFAULT_GENERATE_X86_RELAX_RELOCATIONS) | |
13735 | fprintf (stream, _("(default: yes)\n")); | |
13736 | else | |
13737 | fprintf (stream, _("(default: no)\n")); | |
13738 | fprintf (stream, _("\ | |
0cb4071e L |
13739 | generate relax relocations\n")); |
13740 | fprintf (stream, _("\ | |
e379e5f3 L |
13741 | -malign-branch-boundary=NUM (default: 0)\n\ |
13742 | align branches within NUM byte boundary\n")); | |
13743 | fprintf (stream, _("\ | |
13744 | -malign-branch=TYPE[+TYPE...] (default: jcc+fused+jmp)\n\ | |
13745 | TYPE is combination of jcc, fused, jmp, call, ret,\n\ | |
13746 | indirect\n\ | |
13747 | specify types of branches to align\n")); | |
13748 | fprintf (stream, _("\ | |
13749 | -malign-branch-prefix-size=NUM (default: 5)\n\ | |
13750 | align branches with NUM prefixes per instruction\n")); | |
13751 | fprintf (stream, _("\ | |
76cf450b L |
13752 | -mbranches-within-32B-boundaries\n\ |
13753 | align branches within 32 byte boundary\n")); | |
13754 | fprintf (stream, _("\ | |
ae531041 L |
13755 | -mlfence-after-load=[no|yes] (default: no)\n\ |
13756 | generate lfence after load\n")); | |
13757 | fprintf (stream, _("\ | |
13758 | -mlfence-before-indirect-branch=[none|all|register|memory] (default: none)\n\ | |
13759 | generate lfence before indirect near branch\n")); | |
13760 | fprintf (stream, _("\ | |
a09f656b | 13761 | -mlfence-before-ret=[none|or|not|shl|yes] (default: none)\n\ |
ae531041 L |
13762 | generate lfence before ret\n")); |
13763 | fprintf (stream, _("\ | |
7c5c05ef | 13764 | -mamd64 accept only AMD64 ISA [default]\n")); |
5db04b09 L |
13765 | fprintf (stream, _("\ |
13766 | -mintel64 accept only Intel64 ISA\n")); | |
252b5132 RH |
13767 | } |
13768 | ||
3e73aa7c | 13769 | #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ |
321098a5 | 13770 | || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
e57f8c65 | 13771 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
252b5132 RH |
13772 | |
13773 | /* Pick the target format to use. */ | |
13774 | ||
47926f60 | 13775 | const char * |
e3bb37b5 | 13776 | i386_target_format (void) |
252b5132 | 13777 | { |
d34049e8 | 13778 | if (startswith (default_arch, "x86_64")) |
351f65ca L |
13779 | { |
13780 | update_code_flag (CODE_64BIT, 1); | |
13781 | if (default_arch[6] == '\0') | |
7f56bc95 | 13782 | x86_elf_abi = X86_64_ABI; |
351f65ca | 13783 | else |
7f56bc95 | 13784 | x86_elf_abi = X86_64_X32_ABI; |
351f65ca | 13785 | } |
3e73aa7c | 13786 | else if (!strcmp (default_arch, "i386")) |
78f12dd3 | 13787 | update_code_flag (CODE_32BIT, 1); |
5197d474 L |
13788 | else if (!strcmp (default_arch, "iamcu")) |
13789 | { | |
13790 | update_code_flag (CODE_32BIT, 1); | |
13791 | if (cpu_arch_isa == PROCESSOR_UNKNOWN) | |
13792 | { | |
13793 | static const i386_cpu_flags iamcu_flags = CPU_IAMCU_FLAGS; | |
13794 | cpu_arch_name = "iamcu"; | |
13795 | cpu_sub_arch_name = NULL; | |
13796 | cpu_arch_flags = iamcu_flags; | |
13797 | cpu_arch_isa = PROCESSOR_IAMCU; | |
13798 | cpu_arch_isa_flags = iamcu_flags; | |
13799 | if (!cpu_arch_tune_set) | |
13800 | { | |
13801 | cpu_arch_tune = cpu_arch_isa; | |
13802 | cpu_arch_tune_flags = cpu_arch_isa_flags; | |
13803 | } | |
13804 | } | |
8d471ec1 | 13805 | else if (cpu_arch_isa != PROCESSOR_IAMCU) |
5197d474 L |
13806 | as_fatal (_("Intel MCU doesn't support `%s' architecture"), |
13807 | cpu_arch_name); | |
13808 | } | |
3e73aa7c | 13809 | else |
2b5d6a91 | 13810 | as_fatal (_("unknown architecture")); |
89507696 JB |
13811 | |
13812 | if (cpu_flags_all_zero (&cpu_arch_isa_flags)) | |
13813 | cpu_arch_isa_flags = cpu_arch[flag_code == CODE_64BIT].flags; | |
13814 | if (cpu_flags_all_zero (&cpu_arch_tune_flags)) | |
13815 | cpu_arch_tune_flags = cpu_arch[flag_code == CODE_64BIT].flags; | |
13816 | ||
252b5132 RH |
13817 | switch (OUTPUT_FLAVOR) |
13818 | { | |
9384f2ff | 13819 | #if defined (OBJ_MAYBE_AOUT) || defined (OBJ_AOUT) |
4c63da97 | 13820 | case bfd_target_aout_flavour: |
47926f60 | 13821 | return AOUT_TARGET_FORMAT; |
4c63da97 | 13822 | #endif |
9384f2ff AM |
13823 | #if defined (OBJ_MAYBE_COFF) || defined (OBJ_COFF) |
13824 | # if defined (TE_PE) || defined (TE_PEP) | |
13825 | case bfd_target_coff_flavour: | |
167ad85b TG |
13826 | if (flag_code == CODE_64BIT) |
13827 | return use_big_obj ? "pe-bigobj-x86-64" : "pe-x86-64"; | |
13828 | else | |
251dae91 | 13829 | return use_big_obj ? "pe-bigobj-i386" : "pe-i386"; |
9384f2ff | 13830 | # elif defined (TE_GO32) |
0561d57c JK |
13831 | case bfd_target_coff_flavour: |
13832 | return "coff-go32"; | |
9384f2ff | 13833 | # else |
252b5132 RH |
13834 | case bfd_target_coff_flavour: |
13835 | return "coff-i386"; | |
9384f2ff | 13836 | # endif |
4c63da97 | 13837 | #endif |
3e73aa7c | 13838 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) |
252b5132 | 13839 | case bfd_target_elf_flavour: |
3e73aa7c | 13840 | { |
351f65ca L |
13841 | const char *format; |
13842 | ||
13843 | switch (x86_elf_abi) | |
4fa24527 | 13844 | { |
351f65ca L |
13845 | default: |
13846 | format = ELF_TARGET_FORMAT; | |
e379e5f3 L |
13847 | #ifndef TE_SOLARIS |
13848 | tls_get_addr = "___tls_get_addr"; | |
13849 | #endif | |
351f65ca | 13850 | break; |
7f56bc95 | 13851 | case X86_64_ABI: |
351f65ca | 13852 | use_rela_relocations = 1; |
4fa24527 | 13853 | object_64bit = 1; |
e379e5f3 L |
13854 | #ifndef TE_SOLARIS |
13855 | tls_get_addr = "__tls_get_addr"; | |
13856 | #endif | |
351f65ca L |
13857 | format = ELF_TARGET_FORMAT64; |
13858 | break; | |
7f56bc95 | 13859 | case X86_64_X32_ABI: |
4fa24527 | 13860 | use_rela_relocations = 1; |
351f65ca | 13861 | object_64bit = 1; |
e379e5f3 L |
13862 | #ifndef TE_SOLARIS |
13863 | tls_get_addr = "__tls_get_addr"; | |
13864 | #endif | |
862be3fb | 13865 | disallow_64bit_reloc = 1; |
351f65ca L |
13866 | format = ELF_TARGET_FORMAT32; |
13867 | break; | |
4fa24527 | 13868 | } |
3632d14b | 13869 | if (cpu_arch_isa == PROCESSOR_L1OM) |
8a9036a4 | 13870 | { |
7f56bc95 | 13871 | if (x86_elf_abi != X86_64_ABI) |
8a9036a4 L |
13872 | as_fatal (_("Intel L1OM is 64bit only")); |
13873 | return ELF_TARGET_L1OM_FORMAT; | |
13874 | } | |
b49f93f6 | 13875 | else if (cpu_arch_isa == PROCESSOR_K1OM) |
7a9068fe L |
13876 | { |
13877 | if (x86_elf_abi != X86_64_ABI) | |
13878 | as_fatal (_("Intel K1OM is 64bit only")); | |
13879 | return ELF_TARGET_K1OM_FORMAT; | |
13880 | } | |
81486035 L |
13881 | else if (cpu_arch_isa == PROCESSOR_IAMCU) |
13882 | { | |
13883 | if (x86_elf_abi != I386_ABI) | |
13884 | as_fatal (_("Intel MCU is 32bit only")); | |
13885 | return ELF_TARGET_IAMCU_FORMAT; | |
13886 | } | |
8a9036a4 | 13887 | else |
351f65ca | 13888 | return format; |
3e73aa7c | 13889 | } |
e57f8c65 TG |
13890 | #endif |
13891 | #if defined (OBJ_MACH_O) | |
13892 | case bfd_target_mach_o_flavour: | |
d382c579 TG |
13893 | if (flag_code == CODE_64BIT) |
13894 | { | |
13895 | use_rela_relocations = 1; | |
13896 | object_64bit = 1; | |
13897 | return "mach-o-x86-64"; | |
13898 | } | |
13899 | else | |
13900 | return "mach-o-i386"; | |
4c63da97 | 13901 | #endif |
252b5132 RH |
13902 | default: |
13903 | abort (); | |
13904 | return NULL; | |
13905 | } | |
13906 | } | |
13907 | ||
47926f60 | 13908 | #endif /* OBJ_MAYBE_ more than one */ |
252b5132 | 13909 | \f |
252b5132 | 13910 | symbolS * |
7016a5d5 | 13911 | md_undefined_symbol (char *name) |
252b5132 | 13912 | { |
18dc2407 ILT |
13913 | if (name[0] == GLOBAL_OFFSET_TABLE_NAME[0] |
13914 | && name[1] == GLOBAL_OFFSET_TABLE_NAME[1] | |
13915 | && name[2] == GLOBAL_OFFSET_TABLE_NAME[2] | |
13916 | && strcmp (name, GLOBAL_OFFSET_TABLE_NAME) == 0) | |
24eab124 AM |
13917 | { |
13918 | if (!GOT_symbol) | |
13919 | { | |
13920 | if (symbol_find (name)) | |
13921 | as_bad (_("GOT already in symbol table")); | |
13922 | GOT_symbol = symbol_new (name, undefined_section, | |
e01e1cee | 13923 | &zero_address_frag, 0); |
24eab124 AM |
13924 | }; |
13925 | return GOT_symbol; | |
13926 | } | |
252b5132 RH |
13927 | return 0; |
13928 | } | |
13929 | ||
13930 | /* Round up a section size to the appropriate boundary. */ | |
47926f60 | 13931 | |
252b5132 | 13932 | valueT |
7016a5d5 | 13933 | md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size) |
252b5132 | 13934 | { |
4c63da97 AM |
13935 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
13936 | if (OUTPUT_FLAVOR == bfd_target_aout_flavour) | |
13937 | { | |
13938 | /* For a.out, force the section size to be aligned. If we don't do | |
13939 | this, BFD will align it for us, but it will not write out the | |
13940 | final bytes of the section. This may be a bug in BFD, but it is | |
13941 | easier to fix it here since that is how the other a.out targets | |
13942 | work. */ | |
13943 | int align; | |
13944 | ||
fd361982 | 13945 | align = bfd_section_alignment (segment); |
8d3842cd | 13946 | size = ((size + (1 << align) - 1) & (-((valueT) 1 << align))); |
4c63da97 | 13947 | } |
252b5132 RH |
13948 | #endif |
13949 | ||
13950 | return size; | |
13951 | } | |
13952 | ||
13953 | /* On the i386, PC-relative offsets are relative to the start of the | |
13954 | next instruction. That is, the address of the offset, plus its | |
13955 | size, since the offset is always the last part of the insn. */ | |
13956 | ||
13957 | long | |
e3bb37b5 | 13958 | md_pcrel_from (fixS *fixP) |
252b5132 RH |
13959 | { |
13960 | return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address; | |
13961 | } | |
13962 | ||
13963 | #ifndef I386COFF | |
13964 | ||
13965 | static void | |
e3bb37b5 | 13966 | s_bss (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 13967 | { |
29b0f896 | 13968 | int temp; |
252b5132 | 13969 | |
8a75718c JB |
13970 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
13971 | if (IS_ELF) | |
13972 | obj_elf_section_change_hook (); | |
13973 | #endif | |
252b5132 RH |
13974 | temp = get_absolute_expression (); |
13975 | subseg_set (bss_section, (subsegT) temp); | |
13976 | demand_empty_rest_of_line (); | |
13977 | } | |
13978 | ||
13979 | #endif | |
13980 | ||
e379e5f3 L |
13981 | /* Remember constant directive. */ |
13982 | ||
13983 | void | |
13984 | i386_cons_align (int ignore ATTRIBUTE_UNUSED) | |
13985 | { | |
13986 | if (last_insn.kind != last_insn_directive | |
13987 | && (bfd_section_flags (now_seg) & SEC_CODE)) | |
13988 | { | |
13989 | last_insn.seg = now_seg; | |
13990 | last_insn.kind = last_insn_directive; | |
13991 | last_insn.name = "constant directive"; | |
13992 | last_insn.file = as_where (&last_insn.line); | |
ae531041 L |
13993 | if (lfence_before_ret != lfence_before_ret_none) |
13994 | { | |
13995 | if (lfence_before_indirect_branch != lfence_branch_none) | |
13996 | as_warn (_("constant directive skips -mlfence-before-ret " | |
13997 | "and -mlfence-before-indirect-branch")); | |
13998 | else | |
13999 | as_warn (_("constant directive skips -mlfence-before-ret")); | |
14000 | } | |
14001 | else if (lfence_before_indirect_branch != lfence_branch_none) | |
14002 | as_warn (_("constant directive skips -mlfence-before-indirect-branch")); | |
e379e5f3 L |
14003 | } |
14004 | } | |
14005 | ||
252b5132 | 14006 | void |
e3bb37b5 | 14007 | i386_validate_fix (fixS *fixp) |
252b5132 | 14008 | { |
02a86693 | 14009 | if (fixp->fx_subsy) |
252b5132 | 14010 | { |
02a86693 | 14011 | if (fixp->fx_subsy == GOT_symbol) |
23df1078 | 14012 | { |
02a86693 L |
14013 | if (fixp->fx_r_type == BFD_RELOC_32_PCREL) |
14014 | { | |
14015 | if (!object_64bit) | |
14016 | abort (); | |
14017 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
14018 | if (fixp->fx_tcbit2) | |
56ceb5b5 L |
14019 | fixp->fx_r_type = (fixp->fx_tcbit |
14020 | ? BFD_RELOC_X86_64_REX_GOTPCRELX | |
14021 | : BFD_RELOC_X86_64_GOTPCRELX); | |
02a86693 L |
14022 | else |
14023 | #endif | |
14024 | fixp->fx_r_type = BFD_RELOC_X86_64_GOTPCREL; | |
14025 | } | |
d6ab8113 | 14026 | else |
02a86693 L |
14027 | { |
14028 | if (!object_64bit) | |
14029 | fixp->fx_r_type = BFD_RELOC_386_GOTOFF; | |
14030 | else | |
14031 | fixp->fx_r_type = BFD_RELOC_X86_64_GOTOFF64; | |
14032 | } | |
14033 | fixp->fx_subsy = 0; | |
23df1078 | 14034 | } |
252b5132 | 14035 | } |
02a86693 | 14036 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
2585b7a5 | 14037 | else |
02a86693 | 14038 | { |
2585b7a5 L |
14039 | /* NB: Commit 292676c1 resolved PLT32 reloc aganst local symbol |
14040 | to section. Since PLT32 relocation must be against symbols, | |
14041 | turn such PLT32 relocation into PC32 relocation. */ | |
14042 | if (fixp->fx_addsy | |
14043 | && (fixp->fx_r_type == BFD_RELOC_386_PLT32 | |
14044 | || fixp->fx_r_type == BFD_RELOC_X86_64_PLT32) | |
14045 | && symbol_section_p (fixp->fx_addsy)) | |
14046 | fixp->fx_r_type = BFD_RELOC_32_PCREL; | |
14047 | if (!object_64bit) | |
14048 | { | |
14049 | if (fixp->fx_r_type == BFD_RELOC_386_GOT32 | |
14050 | && fixp->fx_tcbit2) | |
14051 | fixp->fx_r_type = BFD_RELOC_386_GOT32X; | |
14052 | } | |
02a86693 L |
14053 | } |
14054 | #endif | |
252b5132 RH |
14055 | } |
14056 | ||
252b5132 | 14057 | arelent * |
7016a5d5 | 14058 | tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
14059 | { |
14060 | arelent *rel; | |
14061 | bfd_reloc_code_real_type code; | |
14062 | ||
14063 | switch (fixp->fx_r_type) | |
14064 | { | |
8ce3d284 | 14065 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8fd4256d L |
14066 | case BFD_RELOC_SIZE32: |
14067 | case BFD_RELOC_SIZE64: | |
14068 | if (S_IS_DEFINED (fixp->fx_addsy) | |
14069 | && !S_IS_EXTERNAL (fixp->fx_addsy)) | |
14070 | { | |
14071 | /* Resolve size relocation against local symbol to size of | |
14072 | the symbol plus addend. */ | |
14073 | valueT value = S_GET_SIZE (fixp->fx_addsy) + fixp->fx_offset; | |
14074 | if (fixp->fx_r_type == BFD_RELOC_SIZE32 | |
14075 | && !fits_in_unsigned_long (value)) | |
14076 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
14077 | _("symbol size computation overflow")); | |
14078 | fixp->fx_addsy = NULL; | |
14079 | fixp->fx_subsy = NULL; | |
14080 | md_apply_fix (fixp, (valueT *) &value, NULL); | |
14081 | return NULL; | |
14082 | } | |
8ce3d284 | 14083 | #endif |
1a0670f3 | 14084 | /* Fall through. */ |
8fd4256d | 14085 | |
3e73aa7c JH |
14086 | case BFD_RELOC_X86_64_PLT32: |
14087 | case BFD_RELOC_X86_64_GOT32: | |
14088 | case BFD_RELOC_X86_64_GOTPCREL: | |
56ceb5b5 L |
14089 | case BFD_RELOC_X86_64_GOTPCRELX: |
14090 | case BFD_RELOC_X86_64_REX_GOTPCRELX: | |
252b5132 RH |
14091 | case BFD_RELOC_386_PLT32: |
14092 | case BFD_RELOC_386_GOT32: | |
02a86693 | 14093 | case BFD_RELOC_386_GOT32X: |
252b5132 RH |
14094 | case BFD_RELOC_386_GOTOFF: |
14095 | case BFD_RELOC_386_GOTPC: | |
13ae64f3 JJ |
14096 | case BFD_RELOC_386_TLS_GD: |
14097 | case BFD_RELOC_386_TLS_LDM: | |
14098 | case BFD_RELOC_386_TLS_LDO_32: | |
14099 | case BFD_RELOC_386_TLS_IE_32: | |
37e55690 JJ |
14100 | case BFD_RELOC_386_TLS_IE: |
14101 | case BFD_RELOC_386_TLS_GOTIE: | |
13ae64f3 JJ |
14102 | case BFD_RELOC_386_TLS_LE_32: |
14103 | case BFD_RELOC_386_TLS_LE: | |
67a4f2b7 AO |
14104 | case BFD_RELOC_386_TLS_GOTDESC: |
14105 | case BFD_RELOC_386_TLS_DESC_CALL: | |
bffbf940 JJ |
14106 | case BFD_RELOC_X86_64_TLSGD: |
14107 | case BFD_RELOC_X86_64_TLSLD: | |
14108 | case BFD_RELOC_X86_64_DTPOFF32: | |
d6ab8113 | 14109 | case BFD_RELOC_X86_64_DTPOFF64: |
bffbf940 JJ |
14110 | case BFD_RELOC_X86_64_GOTTPOFF: |
14111 | case BFD_RELOC_X86_64_TPOFF32: | |
d6ab8113 JB |
14112 | case BFD_RELOC_X86_64_TPOFF64: |
14113 | case BFD_RELOC_X86_64_GOTOFF64: | |
14114 | case BFD_RELOC_X86_64_GOTPC32: | |
7b81dfbb AJ |
14115 | case BFD_RELOC_X86_64_GOT64: |
14116 | case BFD_RELOC_X86_64_GOTPCREL64: | |
14117 | case BFD_RELOC_X86_64_GOTPC64: | |
14118 | case BFD_RELOC_X86_64_GOTPLT64: | |
14119 | case BFD_RELOC_X86_64_PLTOFF64: | |
67a4f2b7 AO |
14120 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: |
14121 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
252b5132 RH |
14122 | case BFD_RELOC_RVA: |
14123 | case BFD_RELOC_VTABLE_ENTRY: | |
14124 | case BFD_RELOC_VTABLE_INHERIT: | |
6482c264 NC |
14125 | #ifdef TE_PE |
14126 | case BFD_RELOC_32_SECREL: | |
14127 | #endif | |
252b5132 RH |
14128 | code = fixp->fx_r_type; |
14129 | break; | |
dbbaec26 L |
14130 | case BFD_RELOC_X86_64_32S: |
14131 | if (!fixp->fx_pcrel) | |
14132 | { | |
14133 | /* Don't turn BFD_RELOC_X86_64_32S into BFD_RELOC_32. */ | |
14134 | code = fixp->fx_r_type; | |
14135 | break; | |
14136 | } | |
1a0670f3 | 14137 | /* Fall through. */ |
252b5132 | 14138 | default: |
93382f6d | 14139 | if (fixp->fx_pcrel) |
252b5132 | 14140 | { |
93382f6d AM |
14141 | switch (fixp->fx_size) |
14142 | { | |
14143 | default: | |
b091f402 AM |
14144 | as_bad_where (fixp->fx_file, fixp->fx_line, |
14145 | _("can not do %d byte pc-relative relocation"), | |
14146 | fixp->fx_size); | |
93382f6d AM |
14147 | code = BFD_RELOC_32_PCREL; |
14148 | break; | |
14149 | case 1: code = BFD_RELOC_8_PCREL; break; | |
14150 | case 2: code = BFD_RELOC_16_PCREL; break; | |
d258b828 | 14151 | case 4: code = BFD_RELOC_32_PCREL; break; |
d6ab8113 JB |
14152 | #ifdef BFD64 |
14153 | case 8: code = BFD_RELOC_64_PCREL; break; | |
14154 | #endif | |
93382f6d AM |
14155 | } |
14156 | } | |
14157 | else | |
14158 | { | |
14159 | switch (fixp->fx_size) | |
14160 | { | |
14161 | default: | |
b091f402 AM |
14162 | as_bad_where (fixp->fx_file, fixp->fx_line, |
14163 | _("can not do %d byte relocation"), | |
14164 | fixp->fx_size); | |
93382f6d AM |
14165 | code = BFD_RELOC_32; |
14166 | break; | |
14167 | case 1: code = BFD_RELOC_8; break; | |
14168 | case 2: code = BFD_RELOC_16; break; | |
14169 | case 4: code = BFD_RELOC_32; break; | |
937149dd | 14170 | #ifdef BFD64 |
3e73aa7c | 14171 | case 8: code = BFD_RELOC_64; break; |
937149dd | 14172 | #endif |
93382f6d | 14173 | } |
252b5132 RH |
14174 | } |
14175 | break; | |
14176 | } | |
252b5132 | 14177 | |
d182319b JB |
14178 | if ((code == BFD_RELOC_32 |
14179 | || code == BFD_RELOC_32_PCREL | |
14180 | || code == BFD_RELOC_X86_64_32S) | |
252b5132 RH |
14181 | && GOT_symbol |
14182 | && fixp->fx_addsy == GOT_symbol) | |
3e73aa7c | 14183 | { |
4fa24527 | 14184 | if (!object_64bit) |
d6ab8113 JB |
14185 | code = BFD_RELOC_386_GOTPC; |
14186 | else | |
14187 | code = BFD_RELOC_X86_64_GOTPC32; | |
3e73aa7c | 14188 | } |
7b81dfbb AJ |
14189 | if ((code == BFD_RELOC_64 || code == BFD_RELOC_64_PCREL) |
14190 | && GOT_symbol | |
14191 | && fixp->fx_addsy == GOT_symbol) | |
14192 | { | |
14193 | code = BFD_RELOC_X86_64_GOTPC64; | |
14194 | } | |
252b5132 | 14195 | |
add39d23 TS |
14196 | rel = XNEW (arelent); |
14197 | rel->sym_ptr_ptr = XNEW (asymbol *); | |
49309057 | 14198 | *rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
252b5132 RH |
14199 | |
14200 | rel->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
c87db184 | 14201 | |
3e73aa7c JH |
14202 | if (!use_rela_relocations) |
14203 | { | |
14204 | /* HACK: Since i386 ELF uses Rel instead of Rela, encode the | |
14205 | vtable entry to be used in the relocation's section offset. */ | |
14206 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
14207 | rel->address = fixp->fx_offset; | |
fbeb56a4 DK |
14208 | #if defined (OBJ_COFF) && defined (TE_PE) |
14209 | else if (fixp->fx_addsy && S_IS_WEAK (fixp->fx_addsy)) | |
14210 | rel->addend = fixp->fx_addnumber - (S_GET_VALUE (fixp->fx_addsy) * 2); | |
14211 | else | |
14212 | #endif | |
c6682705 | 14213 | rel->addend = 0; |
3e73aa7c JH |
14214 | } |
14215 | /* Use the rela in 64bit mode. */ | |
252b5132 | 14216 | else |
3e73aa7c | 14217 | { |
862be3fb L |
14218 | if (disallow_64bit_reloc) |
14219 | switch (code) | |
14220 | { | |
862be3fb L |
14221 | case BFD_RELOC_X86_64_DTPOFF64: |
14222 | case BFD_RELOC_X86_64_TPOFF64: | |
14223 | case BFD_RELOC_64_PCREL: | |
14224 | case BFD_RELOC_X86_64_GOTOFF64: | |
14225 | case BFD_RELOC_X86_64_GOT64: | |
14226 | case BFD_RELOC_X86_64_GOTPCREL64: | |
14227 | case BFD_RELOC_X86_64_GOTPC64: | |
14228 | case BFD_RELOC_X86_64_GOTPLT64: | |
14229 | case BFD_RELOC_X86_64_PLTOFF64: | |
14230 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
14231 | _("cannot represent relocation type %s in x32 mode"), | |
14232 | bfd_get_reloc_code_name (code)); | |
14233 | break; | |
14234 | default: | |
14235 | break; | |
14236 | } | |
14237 | ||
062cd5e7 AS |
14238 | if (!fixp->fx_pcrel) |
14239 | rel->addend = fixp->fx_offset; | |
14240 | else | |
14241 | switch (code) | |
14242 | { | |
14243 | case BFD_RELOC_X86_64_PLT32: | |
14244 | case BFD_RELOC_X86_64_GOT32: | |
14245 | case BFD_RELOC_X86_64_GOTPCREL: | |
56ceb5b5 L |
14246 | case BFD_RELOC_X86_64_GOTPCRELX: |
14247 | case BFD_RELOC_X86_64_REX_GOTPCRELX: | |
bffbf940 JJ |
14248 | case BFD_RELOC_X86_64_TLSGD: |
14249 | case BFD_RELOC_X86_64_TLSLD: | |
14250 | case BFD_RELOC_X86_64_GOTTPOFF: | |
67a4f2b7 AO |
14251 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: |
14252 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
062cd5e7 AS |
14253 | rel->addend = fixp->fx_offset - fixp->fx_size; |
14254 | break; | |
14255 | default: | |
14256 | rel->addend = (section->vma | |
14257 | - fixp->fx_size | |
14258 | + fixp->fx_addnumber | |
14259 | + md_pcrel_from (fixp)); | |
14260 | break; | |
14261 | } | |
3e73aa7c JH |
14262 | } |
14263 | ||
252b5132 RH |
14264 | rel->howto = bfd_reloc_type_lookup (stdoutput, code); |
14265 | if (rel->howto == NULL) | |
14266 | { | |
14267 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
d0b47220 | 14268 | _("cannot represent relocation type %s"), |
252b5132 RH |
14269 | bfd_get_reloc_code_name (code)); |
14270 | /* Set howto to a garbage value so that we can keep going. */ | |
14271 | rel->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_32); | |
9c2799c2 | 14272 | gas_assert (rel->howto != NULL); |
252b5132 RH |
14273 | } |
14274 | ||
14275 | return rel; | |
14276 | } | |
14277 | ||
ee86248c | 14278 | #include "tc-i386-intel.c" |
54cfded0 | 14279 | |
a60de03c JB |
14280 | void |
14281 | tc_x86_parse_to_dw2regnum (expressionS *exp) | |
54cfded0 | 14282 | { |
a60de03c JB |
14283 | int saved_naked_reg; |
14284 | char saved_register_dot; | |
54cfded0 | 14285 | |
a60de03c JB |
14286 | saved_naked_reg = allow_naked_reg; |
14287 | allow_naked_reg = 1; | |
14288 | saved_register_dot = register_chars['.']; | |
14289 | register_chars['.'] = '.'; | |
14290 | allow_pseudo_reg = 1; | |
14291 | expression_and_evaluate (exp); | |
14292 | allow_pseudo_reg = 0; | |
14293 | register_chars['.'] = saved_register_dot; | |
14294 | allow_naked_reg = saved_naked_reg; | |
14295 | ||
e96d56a1 | 14296 | if (exp->X_op == O_register && exp->X_add_number >= 0) |
54cfded0 | 14297 | { |
a60de03c JB |
14298 | if ((addressT) exp->X_add_number < i386_regtab_size) |
14299 | { | |
14300 | exp->X_op = O_constant; | |
14301 | exp->X_add_number = i386_regtab[exp->X_add_number] | |
14302 | .dw2_regnum[flag_code >> 1]; | |
14303 | } | |
14304 | else | |
14305 | exp->X_op = O_illegal; | |
54cfded0 | 14306 | } |
54cfded0 AM |
14307 | } |
14308 | ||
14309 | void | |
14310 | tc_x86_frame_initial_instructions (void) | |
14311 | { | |
a60de03c JB |
14312 | static unsigned int sp_regno[2]; |
14313 | ||
14314 | if (!sp_regno[flag_code >> 1]) | |
14315 | { | |
14316 | char *saved_input = input_line_pointer; | |
14317 | char sp[][4] = {"esp", "rsp"}; | |
14318 | expressionS exp; | |
a4447b93 | 14319 | |
a60de03c JB |
14320 | input_line_pointer = sp[flag_code >> 1]; |
14321 | tc_x86_parse_to_dw2regnum (&exp); | |
9c2799c2 | 14322 | gas_assert (exp.X_op == O_constant); |
a60de03c JB |
14323 | sp_regno[flag_code >> 1] = exp.X_add_number; |
14324 | input_line_pointer = saved_input; | |
14325 | } | |
a4447b93 | 14326 | |
61ff971f L |
14327 | cfi_add_CFA_def_cfa (sp_regno[flag_code >> 1], -x86_cie_data_alignment); |
14328 | cfi_add_CFA_offset (x86_dwarf2_return_column, x86_cie_data_alignment); | |
54cfded0 | 14329 | } |
d2b2c203 | 14330 | |
d7921315 L |
14331 | int |
14332 | x86_dwarf2_addr_size (void) | |
14333 | { | |
14334 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) | |
14335 | if (x86_elf_abi == X86_64_X32_ABI) | |
14336 | return 4; | |
14337 | #endif | |
14338 | return bfd_arch_bits_per_address (stdoutput) / 8; | |
14339 | } | |
14340 | ||
d2b2c203 DJ |
14341 | int |
14342 | i386_elf_section_type (const char *str, size_t len) | |
14343 | { | |
14344 | if (flag_code == CODE_64BIT | |
14345 | && len == sizeof ("unwind") - 1 | |
d34049e8 | 14346 | && startswith (str, "unwind")) |
d2b2c203 DJ |
14347 | return SHT_X86_64_UNWIND; |
14348 | ||
14349 | return -1; | |
14350 | } | |
bb41ade5 | 14351 | |
ad5fec3b EB |
14352 | #ifdef TE_SOLARIS |
14353 | void | |
14354 | i386_solaris_fix_up_eh_frame (segT sec) | |
14355 | { | |
14356 | if (flag_code == CODE_64BIT) | |
14357 | elf_section_type (sec) = SHT_X86_64_UNWIND; | |
14358 | } | |
14359 | #endif | |
14360 | ||
bb41ade5 AM |
14361 | #ifdef TE_PE |
14362 | void | |
14363 | tc_pe_dwarf2_emit_offset (symbolS *symbol, unsigned int size) | |
14364 | { | |
91d6fa6a | 14365 | expressionS exp; |
bb41ade5 | 14366 | |
91d6fa6a NC |
14367 | exp.X_op = O_secrel; |
14368 | exp.X_add_symbol = symbol; | |
14369 | exp.X_add_number = 0; | |
14370 | emit_expr (&exp, size); | |
bb41ade5 AM |
14371 | } |
14372 | #endif | |
3b22753a L |
14373 | |
14374 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
14375 | /* For ELF on x86-64, add support for SHF_X86_64_LARGE. */ | |
14376 | ||
01e1a5bc | 14377 | bfd_vma |
6d4af3c2 | 14378 | x86_64_section_letter (int letter, const char **ptr_msg) |
3b22753a L |
14379 | { |
14380 | if (flag_code == CODE_64BIT) | |
14381 | { | |
14382 | if (letter == 'l') | |
14383 | return SHF_X86_64_LARGE; | |
14384 | ||
8f3bae45 | 14385 | *ptr_msg = _("bad .section directive: want a,l,w,x,M,S,G,T in string"); |
64e74474 | 14386 | } |
3b22753a | 14387 | else |
8f3bae45 | 14388 | *ptr_msg = _("bad .section directive: want a,w,x,M,S,G,T in string"); |
3b22753a L |
14389 | return -1; |
14390 | } | |
14391 | ||
01e1a5bc | 14392 | bfd_vma |
3b22753a L |
14393 | x86_64_section_word (char *str, size_t len) |
14394 | { | |
08dedd66 | 14395 | if (len == 5 && flag_code == CODE_64BIT && startswith (str, "large")) |
3b22753a L |
14396 | return SHF_X86_64_LARGE; |
14397 | ||
14398 | return -1; | |
14399 | } | |
14400 | ||
14401 | static void | |
14402 | handle_large_common (int small ATTRIBUTE_UNUSED) | |
14403 | { | |
14404 | if (flag_code != CODE_64BIT) | |
14405 | { | |
14406 | s_comm_internal (0, elf_common_parse); | |
14407 | as_warn (_(".largecomm supported only in 64bit mode, producing .comm")); | |
14408 | } | |
14409 | else | |
14410 | { | |
14411 | static segT lbss_section; | |
14412 | asection *saved_com_section_ptr = elf_com_section_ptr; | |
14413 | asection *saved_bss_section = bss_section; | |
14414 | ||
14415 | if (lbss_section == NULL) | |
14416 | { | |
14417 | flagword applicable; | |
14418 | segT seg = now_seg; | |
14419 | subsegT subseg = now_subseg; | |
14420 | ||
14421 | /* The .lbss section is for local .largecomm symbols. */ | |
14422 | lbss_section = subseg_new (".lbss", 0); | |
14423 | applicable = bfd_applicable_section_flags (stdoutput); | |
fd361982 | 14424 | bfd_set_section_flags (lbss_section, applicable & SEC_ALLOC); |
3b22753a L |
14425 | seg_info (lbss_section)->bss = 1; |
14426 | ||
14427 | subseg_set (seg, subseg); | |
14428 | } | |
14429 | ||
14430 | elf_com_section_ptr = &_bfd_elf_large_com_section; | |
14431 | bss_section = lbss_section; | |
14432 | ||
14433 | s_comm_internal (0, elf_common_parse); | |
14434 | ||
14435 | elf_com_section_ptr = saved_com_section_ptr; | |
14436 | bss_section = saved_bss_section; | |
14437 | } | |
14438 | } | |
14439 | #endif /* OBJ_ELF || OBJ_MAYBE_ELF */ |