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b534c6d3 | 1 | /* tc-i386.c -- Assemble code for the Intel 80386 |
b3adc24a | 2 | Copyright (C) 1989-2020 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" |
252b5132 | 35 | |
41fd2579 L |
36 | #ifdef HAVE_LIMITS_H |
37 | #include <limits.h> | |
38 | #else | |
39 | #ifdef HAVE_SYS_PARAM_H | |
40 | #include <sys/param.h> | |
41 | #endif | |
42 | #ifndef INT_MAX | |
43 | #define INT_MAX (int) (((unsigned) (-1)) >> 1) | |
44 | #endif | |
45 | #endif | |
46 | ||
c3332e24 | 47 | #ifndef INFER_ADDR_PREFIX |
eecb386c | 48 | #define INFER_ADDR_PREFIX 1 |
c3332e24 AM |
49 | #endif |
50 | ||
29b0f896 AM |
51 | #ifndef DEFAULT_ARCH |
52 | #define DEFAULT_ARCH "i386" | |
246fcdee | 53 | #endif |
252b5132 | 54 | |
edde18a5 AM |
55 | #ifndef INLINE |
56 | #if __GNUC__ >= 2 | |
57 | #define INLINE __inline__ | |
58 | #else | |
59 | #define INLINE | |
60 | #endif | |
61 | #endif | |
62 | ||
6305a203 L |
63 | /* Prefixes will be emitted in the order defined below. |
64 | WAIT_PREFIX must be the first prefix since FWAIT is really is an | |
65 | instruction, and so must come before any prefixes. | |
66 | The preferred prefix order is SEG_PREFIX, ADDR_PREFIX, DATA_PREFIX, | |
42164a71 | 67 | REP_PREFIX/HLE_PREFIX, LOCK_PREFIX. */ |
6305a203 L |
68 | #define WAIT_PREFIX 0 |
69 | #define SEG_PREFIX 1 | |
70 | #define ADDR_PREFIX 2 | |
71 | #define DATA_PREFIX 3 | |
c32fa91d | 72 | #define REP_PREFIX 4 |
42164a71 | 73 | #define HLE_PREFIX REP_PREFIX |
7e8b059b | 74 | #define BND_PREFIX REP_PREFIX |
c32fa91d | 75 | #define LOCK_PREFIX 5 |
4e9ac44a L |
76 | #define REX_PREFIX 6 /* must come last. */ |
77 | #define MAX_PREFIXES 7 /* max prefixes per opcode */ | |
6305a203 L |
78 | |
79 | /* we define the syntax here (modulo base,index,scale syntax) */ | |
80 | #define REGISTER_PREFIX '%' | |
81 | #define IMMEDIATE_PREFIX '$' | |
82 | #define ABSOLUTE_PREFIX '*' | |
83 | ||
84 | /* these are the instruction mnemonic suffixes in AT&T syntax or | |
85 | memory operand size in Intel syntax. */ | |
86 | #define WORD_MNEM_SUFFIX 'w' | |
87 | #define BYTE_MNEM_SUFFIX 'b' | |
88 | #define SHORT_MNEM_SUFFIX 's' | |
89 | #define LONG_MNEM_SUFFIX 'l' | |
90 | #define QWORD_MNEM_SUFFIX 'q' | |
6305a203 L |
91 | /* Intel Syntax. Use a non-ascii letter since since it never appears |
92 | in instructions. */ | |
93 | #define LONG_DOUBLE_MNEM_SUFFIX '\1' | |
94 | ||
95 | #define END_OF_INSN '\0' | |
96 | ||
79dec6b7 JB |
97 | /* This matches the C -> StaticRounding alias in the opcode table. */ |
98 | #define commutative staticrounding | |
99 | ||
6305a203 L |
100 | /* |
101 | 'templates' is for grouping together 'template' structures for opcodes | |
102 | of the same name. This is only used for storing the insns in the grand | |
103 | ole hash table of insns. | |
104 | The templates themselves start at START and range up to (but not including) | |
105 | END. | |
106 | */ | |
107 | typedef struct | |
108 | { | |
d3ce72d0 NC |
109 | const insn_template *start; |
110 | const insn_template *end; | |
6305a203 L |
111 | } |
112 | templates; | |
113 | ||
114 | /* 386 operand encoding bytes: see 386 book for details of this. */ | |
115 | typedef struct | |
116 | { | |
117 | unsigned int regmem; /* codes register or memory operand */ | |
118 | unsigned int reg; /* codes register operand (or extended opcode) */ | |
119 | unsigned int mode; /* how to interpret regmem & reg */ | |
120 | } | |
121 | modrm_byte; | |
122 | ||
123 | /* x86-64 extension prefix. */ | |
124 | typedef int rex_byte; | |
125 | ||
6305a203 L |
126 | /* 386 opcode byte to code indirect addressing. */ |
127 | typedef struct | |
128 | { | |
129 | unsigned base; | |
130 | unsigned index; | |
131 | unsigned scale; | |
132 | } | |
133 | sib_byte; | |
134 | ||
6305a203 L |
135 | /* x86 arch names, types and features */ |
136 | typedef struct | |
137 | { | |
138 | const char *name; /* arch name */ | |
8a2c8fef | 139 | unsigned int len; /* arch string length */ |
6305a203 L |
140 | enum processor_type type; /* arch type */ |
141 | i386_cpu_flags flags; /* cpu feature flags */ | |
8a2c8fef | 142 | unsigned int skip; /* show_arch should skip this. */ |
6305a203 L |
143 | } |
144 | arch_entry; | |
145 | ||
293f5f65 L |
146 | /* Used to turn off indicated flags. */ |
147 | typedef struct | |
148 | { | |
149 | const char *name; /* arch name */ | |
150 | unsigned int len; /* arch string length */ | |
151 | i386_cpu_flags flags; /* cpu feature flags */ | |
152 | } | |
153 | noarch_entry; | |
154 | ||
78f12dd3 | 155 | static void update_code_flag (int, int); |
e3bb37b5 L |
156 | static void set_code_flag (int); |
157 | static void set_16bit_gcc_code_flag (int); | |
158 | static void set_intel_syntax (int); | |
1efbbeb4 | 159 | static void set_intel_mnemonic (int); |
db51cc60 | 160 | static void set_allow_index_reg (int); |
7bab8ab5 | 161 | static void set_check (int); |
e3bb37b5 | 162 | static void set_cpu_arch (int); |
6482c264 | 163 | #ifdef TE_PE |
e3bb37b5 | 164 | static void pe_directive_secrel (int); |
6482c264 | 165 | #endif |
e3bb37b5 L |
166 | static void signed_cons (int); |
167 | static char *output_invalid (int c); | |
ee86248c JB |
168 | static int i386_finalize_immediate (segT, expressionS *, i386_operand_type, |
169 | const char *); | |
170 | static int i386_finalize_displacement (segT, expressionS *, i386_operand_type, | |
171 | const char *); | |
a7619375 | 172 | static int i386_att_operand (char *); |
e3bb37b5 | 173 | static int i386_intel_operand (char *, int); |
ee86248c JB |
174 | static int i386_intel_simplify (expressionS *); |
175 | static int i386_intel_parse_name (const char *, expressionS *); | |
e3bb37b5 L |
176 | static const reg_entry *parse_register (char *, char **); |
177 | static char *parse_insn (char *, char *); | |
178 | static char *parse_operands (char *, const char *); | |
179 | static void swap_operands (void); | |
4d456e3d | 180 | static void swap_2_operands (int, int); |
48bcea9f | 181 | static enum flag_code i386_addressing_mode (void); |
e3bb37b5 L |
182 | static void optimize_imm (void); |
183 | static void optimize_disp (void); | |
83b16ac6 | 184 | static const insn_template *match_template (char); |
e3bb37b5 L |
185 | static int check_string (void); |
186 | static int process_suffix (void); | |
187 | static int check_byte_reg (void); | |
188 | static int check_long_reg (void); | |
189 | static int check_qword_reg (void); | |
190 | static int check_word_reg (void); | |
191 | static int finalize_imm (void); | |
192 | static int process_operands (void); | |
193 | static const seg_entry *build_modrm_byte (void); | |
194 | static void output_insn (void); | |
195 | static void output_imm (fragS *, offsetT); | |
196 | static void output_disp (fragS *, offsetT); | |
29b0f896 | 197 | #ifndef I386COFF |
e3bb37b5 | 198 | static void s_bss (int); |
252b5132 | 199 | #endif |
17d4e2a2 L |
200 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
201 | static void handle_large_common (int small ATTRIBUTE_UNUSED); | |
b4a3a7b4 L |
202 | |
203 | /* GNU_PROPERTY_X86_ISA_1_USED. */ | |
204 | static unsigned int x86_isa_1_used; | |
205 | /* GNU_PROPERTY_X86_FEATURE_2_USED. */ | |
206 | static unsigned int x86_feature_2_used; | |
207 | /* Generate x86 used ISA and feature properties. */ | |
208 | static unsigned int x86_used_note = DEFAULT_X86_USED_NOTE; | |
17d4e2a2 | 209 | #endif |
252b5132 | 210 | |
a847613f | 211 | static const char *default_arch = DEFAULT_ARCH; |
3e73aa7c | 212 | |
8a6fb3f9 JB |
213 | /* parse_register() returns this when a register alias cannot be used. */ |
214 | static const reg_entry bad_reg = { "<bad>", OPERAND_TYPE_NONE, 0, 0, | |
215 | { Dw2Inval, Dw2Inval } }; | |
216 | ||
43234a1e L |
217 | /* This struct describes rounding control and SAE in the instruction. */ |
218 | struct RC_Operation | |
219 | { | |
220 | enum rc_type | |
221 | { | |
222 | rne = 0, | |
223 | rd, | |
224 | ru, | |
225 | rz, | |
226 | saeonly | |
227 | } type; | |
228 | int operand; | |
229 | }; | |
230 | ||
231 | static struct RC_Operation rc_op; | |
232 | ||
233 | /* The struct describes masking, applied to OPERAND in the instruction. | |
234 | MASK is a pointer to the corresponding mask register. ZEROING tells | |
235 | whether merging or zeroing mask is used. */ | |
236 | struct Mask_Operation | |
237 | { | |
238 | const reg_entry *mask; | |
239 | unsigned int zeroing; | |
240 | /* The operand where this operation is associated. */ | |
241 | int operand; | |
242 | }; | |
243 | ||
244 | static struct Mask_Operation mask_op; | |
245 | ||
246 | /* The struct describes broadcasting, applied to OPERAND. FACTOR is | |
247 | broadcast factor. */ | |
248 | struct Broadcast_Operation | |
249 | { | |
8e6e0792 | 250 | /* Type of broadcast: {1to2}, {1to4}, {1to8}, or {1to16}. */ |
43234a1e L |
251 | int type; |
252 | ||
253 | /* Index of broadcasted operand. */ | |
254 | int operand; | |
4a1b91ea L |
255 | |
256 | /* Number of bytes to broadcast. */ | |
257 | int bytes; | |
43234a1e L |
258 | }; |
259 | ||
260 | static struct Broadcast_Operation broadcast_op; | |
261 | ||
c0f3af97 L |
262 | /* VEX prefix. */ |
263 | typedef struct | |
264 | { | |
43234a1e L |
265 | /* VEX prefix is either 2 byte or 3 byte. EVEX is 4 byte. */ |
266 | unsigned char bytes[4]; | |
c0f3af97 L |
267 | unsigned int length; |
268 | /* Destination or source register specifier. */ | |
269 | const reg_entry *register_specifier; | |
270 | } vex_prefix; | |
271 | ||
252b5132 | 272 | /* 'md_assemble ()' gathers together information and puts it into a |
47926f60 | 273 | i386_insn. */ |
252b5132 | 274 | |
520dc8e8 AM |
275 | union i386_op |
276 | { | |
277 | expressionS *disps; | |
278 | expressionS *imms; | |
279 | const reg_entry *regs; | |
280 | }; | |
281 | ||
a65babc9 L |
282 | enum i386_error |
283 | { | |
86e026a4 | 284 | operand_size_mismatch, |
a65babc9 L |
285 | operand_type_mismatch, |
286 | register_type_mismatch, | |
287 | number_of_operands_mismatch, | |
288 | invalid_instruction_suffix, | |
289 | bad_imm4, | |
a65babc9 L |
290 | unsupported_with_intel_mnemonic, |
291 | unsupported_syntax, | |
6c30d220 L |
292 | unsupported, |
293 | invalid_vsib_address, | |
7bab8ab5 | 294 | invalid_vector_register_set, |
43234a1e L |
295 | unsupported_vector_index_register, |
296 | unsupported_broadcast, | |
43234a1e L |
297 | broadcast_needed, |
298 | unsupported_masking, | |
299 | mask_not_on_destination, | |
300 | no_default_mask, | |
301 | unsupported_rc_sae, | |
302 | rc_sae_operand_not_last_imm, | |
303 | invalid_register_operand, | |
a65babc9 L |
304 | }; |
305 | ||
252b5132 RH |
306 | struct _i386_insn |
307 | { | |
47926f60 | 308 | /* TM holds the template for the insn were currently assembling. */ |
d3ce72d0 | 309 | insn_template tm; |
252b5132 | 310 | |
7d5e4556 L |
311 | /* SUFFIX holds the instruction size suffix for byte, word, dword |
312 | or qword, if given. */ | |
252b5132 RH |
313 | char suffix; |
314 | ||
47926f60 | 315 | /* OPERANDS gives the number of given operands. */ |
252b5132 RH |
316 | unsigned int operands; |
317 | ||
318 | /* REG_OPERANDS, DISP_OPERANDS, MEM_OPERANDS, IMM_OPERANDS give the number | |
319 | of given register, displacement, memory operands and immediate | |
47926f60 | 320 | operands. */ |
252b5132 RH |
321 | unsigned int reg_operands, disp_operands, mem_operands, imm_operands; |
322 | ||
323 | /* TYPES [i] is the type (see above #defines) which tells us how to | |
520dc8e8 | 324 | use OP[i] for the corresponding operand. */ |
40fb9820 | 325 | i386_operand_type types[MAX_OPERANDS]; |
252b5132 | 326 | |
520dc8e8 AM |
327 | /* Displacement expression, immediate expression, or register for each |
328 | operand. */ | |
329 | union i386_op op[MAX_OPERANDS]; | |
252b5132 | 330 | |
3e73aa7c JH |
331 | /* Flags for operands. */ |
332 | unsigned int flags[MAX_OPERANDS]; | |
333 | #define Operand_PCrel 1 | |
c48dadc9 | 334 | #define Operand_Mem 2 |
3e73aa7c | 335 | |
252b5132 | 336 | /* Relocation type for operand */ |
f86103b7 | 337 | enum bfd_reloc_code_real reloc[MAX_OPERANDS]; |
252b5132 | 338 | |
252b5132 RH |
339 | /* BASE_REG, INDEX_REG, and LOG2_SCALE_FACTOR are used to encode |
340 | the base index byte below. */ | |
341 | const reg_entry *base_reg; | |
342 | const reg_entry *index_reg; | |
343 | unsigned int log2_scale_factor; | |
344 | ||
345 | /* SEG gives the seg_entries of this insn. They are zero unless | |
47926f60 | 346 | explicit segment overrides are given. */ |
ce8a8b2f | 347 | const seg_entry *seg[2]; |
252b5132 | 348 | |
8325cc63 JB |
349 | /* Copied first memory operand string, for re-checking. */ |
350 | char *memop1_string; | |
351 | ||
252b5132 RH |
352 | /* PREFIX holds all the given prefix opcodes (usually null). |
353 | PREFIXES is the number of prefix opcodes. */ | |
354 | unsigned int prefixes; | |
355 | unsigned char prefix[MAX_PREFIXES]; | |
356 | ||
50128d0c JB |
357 | /* Register is in low 3 bits of opcode. */ |
358 | bfd_boolean short_form; | |
359 | ||
6f2f06be JB |
360 | /* The operand to a branch insn indicates an absolute branch. */ |
361 | bfd_boolean jumpabsolute; | |
362 | ||
b4a3a7b4 L |
363 | /* Has MMX register operands. */ |
364 | bfd_boolean has_regmmx; | |
365 | ||
366 | /* Has XMM register operands. */ | |
367 | bfd_boolean has_regxmm; | |
368 | ||
369 | /* Has YMM register operands. */ | |
370 | bfd_boolean has_regymm; | |
371 | ||
372 | /* Has ZMM register operands. */ | |
373 | bfd_boolean has_regzmm; | |
374 | ||
e379e5f3 L |
375 | /* Has GOTPC or TLS relocation. */ |
376 | bfd_boolean has_gotpc_tls_reloc; | |
377 | ||
252b5132 | 378 | /* RM and SIB are the modrm byte and the sib byte where the |
c1e679ec | 379 | addressing modes of this insn are encoded. */ |
252b5132 | 380 | modrm_byte rm; |
3e73aa7c | 381 | rex_byte rex; |
43234a1e | 382 | rex_byte vrex; |
252b5132 | 383 | sib_byte sib; |
c0f3af97 | 384 | vex_prefix vex; |
b6169b20 | 385 | |
43234a1e L |
386 | /* Masking attributes. */ |
387 | struct Mask_Operation *mask; | |
388 | ||
389 | /* Rounding control and SAE attributes. */ | |
390 | struct RC_Operation *rounding; | |
391 | ||
392 | /* Broadcasting attributes. */ | |
393 | struct Broadcast_Operation *broadcast; | |
394 | ||
395 | /* Compressed disp8*N attribute. */ | |
396 | unsigned int memshift; | |
397 | ||
86fa6981 L |
398 | /* Prefer load or store in encoding. */ |
399 | enum | |
400 | { | |
401 | dir_encoding_default = 0, | |
402 | dir_encoding_load, | |
64c49ab3 JB |
403 | dir_encoding_store, |
404 | dir_encoding_swap | |
86fa6981 | 405 | } dir_encoding; |
891edac4 | 406 | |
a501d77e L |
407 | /* Prefer 8bit or 32bit displacement in encoding. */ |
408 | enum | |
409 | { | |
410 | disp_encoding_default = 0, | |
411 | disp_encoding_8bit, | |
412 | disp_encoding_32bit | |
413 | } disp_encoding; | |
f8a5c266 | 414 | |
6b6b6807 L |
415 | /* Prefer the REX byte in encoding. */ |
416 | bfd_boolean rex_encoding; | |
417 | ||
b6f8c7c4 L |
418 | /* Disable instruction size optimization. */ |
419 | bfd_boolean no_optimize; | |
420 | ||
86fa6981 L |
421 | /* How to encode vector instructions. */ |
422 | enum | |
423 | { | |
424 | vex_encoding_default = 0, | |
42e04b36 | 425 | vex_encoding_vex, |
86fa6981 L |
426 | vex_encoding_vex3, |
427 | vex_encoding_evex | |
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 | |
29b0f896 AM |
477 | #if (defined (TE_I386AIX) \ |
478 | || ((defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)) \ | |
3896cfd5 | 479 | && !defined (TE_GNU) \ |
29b0f896 | 480 | && !defined (TE_LINUX) \ |
8d63c93e | 481 | && !defined (TE_NACL) \ |
29b0f896 | 482 | && !defined (TE_FreeBSD) \ |
5b806d27 | 483 | && !defined (TE_DragonFly) \ |
29b0f896 | 484 | && !defined (TE_NetBSD))) |
252b5132 | 485 | /* This array holds the chars that always start a comment. If the |
b3b91714 AM |
486 | pre-processor is disabled, these aren't very useful. The option |
487 | --divide will remove '/' from this list. */ | |
488 | const char *i386_comment_chars = "#/"; | |
489 | #define SVR4_COMMENT_CHARS 1 | |
252b5132 | 490 | #define PREFIX_SEPARATOR '\\' |
252b5132 | 491 | |
b3b91714 AM |
492 | #else |
493 | const char *i386_comment_chars = "#"; | |
494 | #define PREFIX_SEPARATOR '/' | |
495 | #endif | |
496 | ||
252b5132 RH |
497 | /* This array holds the chars that only start a comment at the beginning of |
498 | a line. If the line seems to have the form '# 123 filename' | |
ce8a8b2f AM |
499 | .line and .file directives will appear in the pre-processed output. |
500 | Note that input_file.c hand checks for '#' at the beginning of the | |
252b5132 | 501 | first line of the input file. This is because the compiler outputs |
ce8a8b2f AM |
502 | #NO_APP at the beginning of its output. |
503 | Also note that comments started like this one will always work if | |
252b5132 | 504 | '/' isn't otherwise defined. */ |
b3b91714 | 505 | const char line_comment_chars[] = "#/"; |
252b5132 | 506 | |
63a0b638 | 507 | const char line_separator_chars[] = ";"; |
252b5132 | 508 | |
ce8a8b2f AM |
509 | /* Chars that can be used to separate mant from exp in floating point |
510 | nums. */ | |
252b5132 RH |
511 | const char EXP_CHARS[] = "eE"; |
512 | ||
ce8a8b2f AM |
513 | /* Chars that mean this number is a floating point constant |
514 | As in 0f12.456 | |
515 | or 0d1.2345e12. */ | |
252b5132 RH |
516 | const char FLT_CHARS[] = "fFdDxX"; |
517 | ||
ce8a8b2f | 518 | /* Tables for lexical analysis. */ |
252b5132 RH |
519 | static char mnemonic_chars[256]; |
520 | static char register_chars[256]; | |
521 | static char operand_chars[256]; | |
522 | static char identifier_chars[256]; | |
523 | static char digit_chars[256]; | |
524 | ||
ce8a8b2f | 525 | /* Lexical macros. */ |
252b5132 RH |
526 | #define is_mnemonic_char(x) (mnemonic_chars[(unsigned char) x]) |
527 | #define is_operand_char(x) (operand_chars[(unsigned char) x]) | |
528 | #define is_register_char(x) (register_chars[(unsigned char) x]) | |
529 | #define is_space_char(x) ((x) == ' ') | |
530 | #define is_identifier_char(x) (identifier_chars[(unsigned char) x]) | |
531 | #define is_digit_char(x) (digit_chars[(unsigned char) x]) | |
532 | ||
0234cb7c | 533 | /* All non-digit non-letter characters that may occur in an operand. */ |
252b5132 RH |
534 | static char operand_special_chars[] = "%$-+(,)*._~/<>|&^!:[@]"; |
535 | ||
536 | /* md_assemble() always leaves the strings it's passed unaltered. To | |
537 | effect this we maintain a stack of saved characters that we've smashed | |
538 | with '\0's (indicating end of strings for various sub-fields of the | |
47926f60 | 539 | assembler instruction). */ |
252b5132 | 540 | static char save_stack[32]; |
ce8a8b2f | 541 | static char *save_stack_p; |
252b5132 RH |
542 | #define END_STRING_AND_SAVE(s) \ |
543 | do { *save_stack_p++ = *(s); *(s) = '\0'; } while (0) | |
544 | #define RESTORE_END_STRING(s) \ | |
545 | do { *(s) = *--save_stack_p; } while (0) | |
546 | ||
47926f60 | 547 | /* The instruction we're assembling. */ |
252b5132 RH |
548 | static i386_insn i; |
549 | ||
550 | /* Possible templates for current insn. */ | |
551 | static const templates *current_templates; | |
552 | ||
31b2323c L |
553 | /* Per instruction expressionS buffers: max displacements & immediates. */ |
554 | static expressionS disp_expressions[MAX_MEMORY_OPERANDS]; | |
555 | static expressionS im_expressions[MAX_IMMEDIATE_OPERANDS]; | |
252b5132 | 556 | |
47926f60 | 557 | /* Current operand we are working on. */ |
ee86248c | 558 | static int this_operand = -1; |
252b5132 | 559 | |
3e73aa7c JH |
560 | /* We support four different modes. FLAG_CODE variable is used to distinguish |
561 | these. */ | |
562 | ||
563 | enum flag_code { | |
564 | CODE_32BIT, | |
565 | CODE_16BIT, | |
566 | CODE_64BIT }; | |
567 | ||
568 | static enum flag_code flag_code; | |
4fa24527 | 569 | static unsigned int object_64bit; |
862be3fb | 570 | static unsigned int disallow_64bit_reloc; |
3e73aa7c | 571 | static int use_rela_relocations = 0; |
e379e5f3 L |
572 | /* __tls_get_addr/___tls_get_addr symbol for TLS. */ |
573 | static const char *tls_get_addr; | |
3e73aa7c | 574 | |
7af8ed2d NC |
575 | #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ |
576 | || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ | |
577 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) | |
578 | ||
351f65ca L |
579 | /* The ELF ABI to use. */ |
580 | enum x86_elf_abi | |
581 | { | |
582 | I386_ABI, | |
7f56bc95 L |
583 | X86_64_ABI, |
584 | X86_64_X32_ABI | |
351f65ca L |
585 | }; |
586 | ||
587 | static enum x86_elf_abi x86_elf_abi = I386_ABI; | |
7af8ed2d | 588 | #endif |
351f65ca | 589 | |
167ad85b TG |
590 | #if defined (TE_PE) || defined (TE_PEP) |
591 | /* Use big object file format. */ | |
592 | static int use_big_obj = 0; | |
593 | #endif | |
594 | ||
8dcea932 L |
595 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
596 | /* 1 if generating code for a shared library. */ | |
597 | static int shared = 0; | |
598 | #endif | |
599 | ||
47926f60 KH |
600 | /* 1 for intel syntax, |
601 | 0 if att syntax. */ | |
602 | static int intel_syntax = 0; | |
252b5132 | 603 | |
4b5aaf5f L |
604 | static enum x86_64_isa |
605 | { | |
606 | amd64 = 1, /* AMD64 ISA. */ | |
607 | intel64 /* Intel64 ISA. */ | |
608 | } isa64; | |
e89c5eaa | 609 | |
1efbbeb4 L |
610 | /* 1 for intel mnemonic, |
611 | 0 if att mnemonic. */ | |
612 | static int intel_mnemonic = !SYSV386_COMPAT; | |
613 | ||
a60de03c JB |
614 | /* 1 if pseudo registers are permitted. */ |
615 | static int allow_pseudo_reg = 0; | |
616 | ||
47926f60 KH |
617 | /* 1 if register prefix % not required. */ |
618 | static int allow_naked_reg = 0; | |
252b5132 | 619 | |
33eaf5de | 620 | /* 1 if the assembler should add BND prefix for all control-transferring |
7e8b059b L |
621 | instructions supporting it, even if this prefix wasn't specified |
622 | explicitly. */ | |
623 | static int add_bnd_prefix = 0; | |
624 | ||
ba104c83 | 625 | /* 1 if pseudo index register, eiz/riz, is allowed . */ |
db51cc60 L |
626 | static int allow_index_reg = 0; |
627 | ||
d022bddd IT |
628 | /* 1 if the assembler should ignore LOCK prefix, even if it was |
629 | specified explicitly. */ | |
630 | static int omit_lock_prefix = 0; | |
631 | ||
e4e00185 AS |
632 | /* 1 if the assembler should encode lfence, mfence, and sfence as |
633 | "lock addl $0, (%{re}sp)". */ | |
634 | static int avoid_fence = 0; | |
635 | ||
ae531041 L |
636 | /* 1 if lfence should be inserted after every load. */ |
637 | static int lfence_after_load = 0; | |
638 | ||
639 | /* Non-zero if lfence should be inserted before indirect branch. */ | |
640 | static enum lfence_before_indirect_branch_kind | |
641 | { | |
642 | lfence_branch_none = 0, | |
643 | lfence_branch_register, | |
644 | lfence_branch_memory, | |
645 | lfence_branch_all | |
646 | } | |
647 | lfence_before_indirect_branch; | |
648 | ||
649 | /* Non-zero if lfence should be inserted before ret. */ | |
650 | static enum lfence_before_ret_kind | |
651 | { | |
652 | lfence_before_ret_none = 0, | |
653 | lfence_before_ret_not, | |
a09f656b | 654 | lfence_before_ret_or, |
655 | lfence_before_ret_shl | |
ae531041 L |
656 | } |
657 | lfence_before_ret; | |
658 | ||
659 | /* Types of previous instruction is .byte or prefix. */ | |
e379e5f3 L |
660 | static struct |
661 | { | |
662 | segT seg; | |
663 | const char *file; | |
664 | const char *name; | |
665 | unsigned int line; | |
666 | enum last_insn_kind | |
667 | { | |
668 | last_insn_other = 0, | |
669 | last_insn_directive, | |
670 | last_insn_prefix | |
671 | } kind; | |
672 | } last_insn; | |
673 | ||
0cb4071e L |
674 | /* 1 if the assembler should generate relax relocations. */ |
675 | ||
676 | static int generate_relax_relocations | |
677 | = DEFAULT_GENERATE_X86_RELAX_RELOCATIONS; | |
678 | ||
7bab8ab5 | 679 | static enum check_kind |
daf50ae7 | 680 | { |
7bab8ab5 JB |
681 | check_none = 0, |
682 | check_warning, | |
683 | check_error | |
daf50ae7 | 684 | } |
7bab8ab5 | 685 | sse_check, operand_check = check_warning; |
daf50ae7 | 686 | |
e379e5f3 L |
687 | /* Non-zero if branches should be aligned within power of 2 boundary. */ |
688 | static int align_branch_power = 0; | |
689 | ||
690 | /* Types of branches to align. */ | |
691 | enum align_branch_kind | |
692 | { | |
693 | align_branch_none = 0, | |
694 | align_branch_jcc = 1, | |
695 | align_branch_fused = 2, | |
696 | align_branch_jmp = 3, | |
697 | align_branch_call = 4, | |
698 | align_branch_indirect = 5, | |
699 | align_branch_ret = 6 | |
700 | }; | |
701 | ||
702 | /* Type bits of branches to align. */ | |
703 | enum align_branch_bit | |
704 | { | |
705 | align_branch_jcc_bit = 1 << align_branch_jcc, | |
706 | align_branch_fused_bit = 1 << align_branch_fused, | |
707 | align_branch_jmp_bit = 1 << align_branch_jmp, | |
708 | align_branch_call_bit = 1 << align_branch_call, | |
709 | align_branch_indirect_bit = 1 << align_branch_indirect, | |
710 | align_branch_ret_bit = 1 << align_branch_ret | |
711 | }; | |
712 | ||
713 | static unsigned int align_branch = (align_branch_jcc_bit | |
714 | | align_branch_fused_bit | |
715 | | align_branch_jmp_bit); | |
716 | ||
79d72f45 HL |
717 | /* Types of condition jump used by macro-fusion. */ |
718 | enum mf_jcc_kind | |
719 | { | |
720 | mf_jcc_jo = 0, /* base opcode 0x70 */ | |
721 | mf_jcc_jc, /* base opcode 0x72 */ | |
722 | mf_jcc_je, /* base opcode 0x74 */ | |
723 | mf_jcc_jna, /* base opcode 0x76 */ | |
724 | mf_jcc_js, /* base opcode 0x78 */ | |
725 | mf_jcc_jp, /* base opcode 0x7a */ | |
726 | mf_jcc_jl, /* base opcode 0x7c */ | |
727 | mf_jcc_jle, /* base opcode 0x7e */ | |
728 | }; | |
729 | ||
730 | /* Types of compare flag-modifying insntructions used by macro-fusion. */ | |
731 | enum mf_cmp_kind | |
732 | { | |
733 | mf_cmp_test_and, /* test/cmp */ | |
734 | mf_cmp_alu_cmp, /* add/sub/cmp */ | |
735 | mf_cmp_incdec /* inc/dec */ | |
736 | }; | |
737 | ||
e379e5f3 L |
738 | /* The maximum padding size for fused jcc. CMP like instruction can |
739 | be 9 bytes and jcc can be 6 bytes. Leave room just in case for | |
740 | prefixes. */ | |
741 | #define MAX_FUSED_JCC_PADDING_SIZE 20 | |
742 | ||
743 | /* The maximum number of prefixes added for an instruction. */ | |
744 | static unsigned int align_branch_prefix_size = 5; | |
745 | ||
b6f8c7c4 L |
746 | /* Optimization: |
747 | 1. Clear the REX_W bit with register operand if possible. | |
748 | 2. Above plus use 128bit vector instruction to clear the full vector | |
749 | register. | |
750 | */ | |
751 | static int optimize = 0; | |
752 | ||
753 | /* Optimization: | |
754 | 1. Clear the REX_W bit with register operand if possible. | |
755 | 2. Above plus use 128bit vector instruction to clear the full vector | |
756 | register. | |
757 | 3. Above plus optimize "test{q,l,w} $imm8,%r{64,32,16}" to | |
758 | "testb $imm7,%r8". | |
759 | */ | |
760 | static int optimize_for_space = 0; | |
761 | ||
2ca3ace5 L |
762 | /* Register prefix used for error message. */ |
763 | static const char *register_prefix = "%"; | |
764 | ||
47926f60 KH |
765 | /* Used in 16 bit gcc mode to add an l suffix to call, ret, enter, |
766 | leave, push, and pop instructions so that gcc has the same stack | |
767 | frame as in 32 bit mode. */ | |
768 | static char stackop_size = '\0'; | |
eecb386c | 769 | |
12b55ccc L |
770 | /* Non-zero to optimize code alignment. */ |
771 | int optimize_align_code = 1; | |
772 | ||
47926f60 KH |
773 | /* Non-zero to quieten some warnings. */ |
774 | static int quiet_warnings = 0; | |
a38cf1db | 775 | |
47926f60 KH |
776 | /* CPU name. */ |
777 | static const char *cpu_arch_name = NULL; | |
6305a203 | 778 | static char *cpu_sub_arch_name = NULL; |
a38cf1db | 779 | |
47926f60 | 780 | /* CPU feature flags. */ |
40fb9820 L |
781 | static i386_cpu_flags cpu_arch_flags = CPU_UNKNOWN_FLAGS; |
782 | ||
ccc9c027 L |
783 | /* If we have selected a cpu we are generating instructions for. */ |
784 | static int cpu_arch_tune_set = 0; | |
785 | ||
9103f4f4 | 786 | /* Cpu we are generating instructions for. */ |
fbf3f584 | 787 | enum processor_type cpu_arch_tune = PROCESSOR_UNKNOWN; |
9103f4f4 L |
788 | |
789 | /* CPU feature flags of cpu we are generating instructions for. */ | |
40fb9820 | 790 | static i386_cpu_flags cpu_arch_tune_flags; |
9103f4f4 | 791 | |
ccc9c027 | 792 | /* CPU instruction set architecture used. */ |
fbf3f584 | 793 | enum processor_type cpu_arch_isa = PROCESSOR_UNKNOWN; |
ccc9c027 | 794 | |
9103f4f4 | 795 | /* CPU feature flags of instruction set architecture used. */ |
fbf3f584 | 796 | i386_cpu_flags cpu_arch_isa_flags; |
9103f4f4 | 797 | |
fddf5b5b AM |
798 | /* If set, conditional jumps are not automatically promoted to handle |
799 | larger than a byte offset. */ | |
800 | static unsigned int no_cond_jump_promotion = 0; | |
801 | ||
c0f3af97 L |
802 | /* Encode SSE instructions with VEX prefix. */ |
803 | static unsigned int sse2avx; | |
804 | ||
539f890d L |
805 | /* Encode scalar AVX instructions with specific vector length. */ |
806 | static enum | |
807 | { | |
808 | vex128 = 0, | |
809 | vex256 | |
810 | } avxscalar; | |
811 | ||
03751133 L |
812 | /* Encode VEX WIG instructions with specific vex.w. */ |
813 | static enum | |
814 | { | |
815 | vexw0 = 0, | |
816 | vexw1 | |
817 | } vexwig; | |
818 | ||
43234a1e L |
819 | /* Encode scalar EVEX LIG instructions with specific vector length. */ |
820 | static enum | |
821 | { | |
822 | evexl128 = 0, | |
823 | evexl256, | |
824 | evexl512 | |
825 | } evexlig; | |
826 | ||
827 | /* Encode EVEX WIG instructions with specific evex.w. */ | |
828 | static enum | |
829 | { | |
830 | evexw0 = 0, | |
831 | evexw1 | |
832 | } evexwig; | |
833 | ||
d3d3c6db IT |
834 | /* Value to encode in EVEX RC bits, for SAE-only instructions. */ |
835 | static enum rc_type evexrcig = rne; | |
836 | ||
29b0f896 | 837 | /* Pre-defined "_GLOBAL_OFFSET_TABLE_". */ |
87c245cc | 838 | static symbolS *GOT_symbol; |
29b0f896 | 839 | |
a4447b93 RH |
840 | /* The dwarf2 return column, adjusted for 32 or 64 bit. */ |
841 | unsigned int x86_dwarf2_return_column; | |
842 | ||
843 | /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */ | |
844 | int x86_cie_data_alignment; | |
845 | ||
252b5132 | 846 | /* Interface to relax_segment. |
fddf5b5b AM |
847 | There are 3 major relax states for 386 jump insns because the |
848 | different types of jumps add different sizes to frags when we're | |
e379e5f3 L |
849 | figuring out what sort of jump to choose to reach a given label. |
850 | ||
851 | BRANCH_PADDING, BRANCH_PREFIX and FUSED_JCC_PADDING are used to align | |
852 | branches which are handled by md_estimate_size_before_relax() and | |
853 | i386_generic_table_relax_frag(). */ | |
252b5132 | 854 | |
47926f60 | 855 | /* Types. */ |
93c2a809 AM |
856 | #define UNCOND_JUMP 0 |
857 | #define COND_JUMP 1 | |
858 | #define COND_JUMP86 2 | |
e379e5f3 L |
859 | #define BRANCH_PADDING 3 |
860 | #define BRANCH_PREFIX 4 | |
861 | #define FUSED_JCC_PADDING 5 | |
fddf5b5b | 862 | |
47926f60 | 863 | /* Sizes. */ |
252b5132 RH |
864 | #define CODE16 1 |
865 | #define SMALL 0 | |
29b0f896 | 866 | #define SMALL16 (SMALL | CODE16) |
252b5132 | 867 | #define BIG 2 |
29b0f896 | 868 | #define BIG16 (BIG | CODE16) |
252b5132 RH |
869 | |
870 | #ifndef INLINE | |
871 | #ifdef __GNUC__ | |
872 | #define INLINE __inline__ | |
873 | #else | |
874 | #define INLINE | |
875 | #endif | |
876 | #endif | |
877 | ||
fddf5b5b AM |
878 | #define ENCODE_RELAX_STATE(type, size) \ |
879 | ((relax_substateT) (((type) << 2) | (size))) | |
880 | #define TYPE_FROM_RELAX_STATE(s) \ | |
881 | ((s) >> 2) | |
882 | #define DISP_SIZE_FROM_RELAX_STATE(s) \ | |
883 | ((((s) & 3) == BIG ? 4 : (((s) & 3) == BIG16 ? 2 : 1))) | |
252b5132 RH |
884 | |
885 | /* This table is used by relax_frag to promote short jumps to long | |
886 | ones where necessary. SMALL (short) jumps may be promoted to BIG | |
887 | (32 bit long) ones, and SMALL16 jumps to BIG16 (16 bit long). We | |
888 | don't allow a short jump in a 32 bit code segment to be promoted to | |
889 | a 16 bit offset jump because it's slower (requires data size | |
890 | prefix), and doesn't work, unless the destination is in the bottom | |
891 | 64k of the code segment (The top 16 bits of eip are zeroed). */ | |
892 | ||
893 | const relax_typeS md_relax_table[] = | |
894 | { | |
24eab124 AM |
895 | /* The fields are: |
896 | 1) most positive reach of this state, | |
897 | 2) most negative reach of this state, | |
93c2a809 | 898 | 3) how many bytes this mode will have in the variable part of the frag |
ce8a8b2f | 899 | 4) which index into the table to try if we can't fit into this one. */ |
252b5132 | 900 | |
fddf5b5b | 901 | /* UNCOND_JUMP states. */ |
93c2a809 AM |
902 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG)}, |
903 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (UNCOND_JUMP, BIG16)}, | |
904 | /* dword jmp adds 4 bytes to frag: | |
905 | 0 extra opcode bytes, 4 displacement bytes. */ | |
252b5132 | 906 | {0, 0, 4, 0}, |
93c2a809 AM |
907 | /* word jmp adds 2 byte2 to frag: |
908 | 0 extra opcode bytes, 2 displacement bytes. */ | |
252b5132 RH |
909 | {0, 0, 2, 0}, |
910 | ||
93c2a809 AM |
911 | /* COND_JUMP states. */ |
912 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP, BIG)}, | |
913 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP, BIG16)}, | |
914 | /* dword conditionals adds 5 bytes to frag: | |
915 | 1 extra opcode byte, 4 displacement bytes. */ | |
916 | {0, 0, 5, 0}, | |
fddf5b5b | 917 | /* word conditionals add 3 bytes to frag: |
93c2a809 AM |
918 | 1 extra opcode byte, 2 displacement bytes. */ |
919 | {0, 0, 3, 0}, | |
920 | ||
921 | /* COND_JUMP86 states. */ | |
922 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP86, BIG)}, | |
923 | {127 + 1, -128 + 1, 1, ENCODE_RELAX_STATE (COND_JUMP86, BIG16)}, | |
924 | /* dword conditionals adds 5 bytes to frag: | |
925 | 1 extra opcode byte, 4 displacement bytes. */ | |
926 | {0, 0, 5, 0}, | |
927 | /* word conditionals add 4 bytes to frag: | |
928 | 1 displacement byte and a 3 byte long branch insn. */ | |
929 | {0, 0, 4, 0} | |
252b5132 RH |
930 | }; |
931 | ||
9103f4f4 L |
932 | static const arch_entry cpu_arch[] = |
933 | { | |
89507696 JB |
934 | /* Do not replace the first two entries - i386_target_format() |
935 | relies on them being there in this order. */ | |
8a2c8fef | 936 | { STRING_COMMA_LEN ("generic32"), PROCESSOR_GENERIC32, |
293f5f65 | 937 | CPU_GENERIC32_FLAGS, 0 }, |
8a2c8fef | 938 | { STRING_COMMA_LEN ("generic64"), PROCESSOR_GENERIC64, |
293f5f65 | 939 | CPU_GENERIC64_FLAGS, 0 }, |
8a2c8fef | 940 | { STRING_COMMA_LEN ("i8086"), PROCESSOR_UNKNOWN, |
293f5f65 | 941 | CPU_NONE_FLAGS, 0 }, |
8a2c8fef | 942 | { STRING_COMMA_LEN ("i186"), PROCESSOR_UNKNOWN, |
293f5f65 | 943 | CPU_I186_FLAGS, 0 }, |
8a2c8fef | 944 | { STRING_COMMA_LEN ("i286"), PROCESSOR_UNKNOWN, |
293f5f65 | 945 | CPU_I286_FLAGS, 0 }, |
8a2c8fef | 946 | { STRING_COMMA_LEN ("i386"), PROCESSOR_I386, |
293f5f65 | 947 | CPU_I386_FLAGS, 0 }, |
8a2c8fef | 948 | { STRING_COMMA_LEN ("i486"), PROCESSOR_I486, |
293f5f65 | 949 | CPU_I486_FLAGS, 0 }, |
8a2c8fef | 950 | { STRING_COMMA_LEN ("i586"), PROCESSOR_PENTIUM, |
293f5f65 | 951 | CPU_I586_FLAGS, 0 }, |
8a2c8fef | 952 | { STRING_COMMA_LEN ("i686"), PROCESSOR_PENTIUMPRO, |
293f5f65 | 953 | CPU_I686_FLAGS, 0 }, |
8a2c8fef | 954 | { STRING_COMMA_LEN ("pentium"), PROCESSOR_PENTIUM, |
293f5f65 | 955 | CPU_I586_FLAGS, 0 }, |
8a2c8fef | 956 | { STRING_COMMA_LEN ("pentiumpro"), PROCESSOR_PENTIUMPRO, |
293f5f65 | 957 | CPU_PENTIUMPRO_FLAGS, 0 }, |
8a2c8fef | 958 | { STRING_COMMA_LEN ("pentiumii"), PROCESSOR_PENTIUMPRO, |
293f5f65 | 959 | CPU_P2_FLAGS, 0 }, |
8a2c8fef | 960 | { STRING_COMMA_LEN ("pentiumiii"),PROCESSOR_PENTIUMPRO, |
293f5f65 | 961 | CPU_P3_FLAGS, 0 }, |
8a2c8fef | 962 | { STRING_COMMA_LEN ("pentium4"), PROCESSOR_PENTIUM4, |
293f5f65 | 963 | CPU_P4_FLAGS, 0 }, |
8a2c8fef | 964 | { STRING_COMMA_LEN ("prescott"), PROCESSOR_NOCONA, |
293f5f65 | 965 | CPU_CORE_FLAGS, 0 }, |
8a2c8fef | 966 | { STRING_COMMA_LEN ("nocona"), PROCESSOR_NOCONA, |
293f5f65 | 967 | CPU_NOCONA_FLAGS, 0 }, |
8a2c8fef | 968 | { STRING_COMMA_LEN ("yonah"), PROCESSOR_CORE, |
293f5f65 | 969 | CPU_CORE_FLAGS, 1 }, |
8a2c8fef | 970 | { STRING_COMMA_LEN ("core"), PROCESSOR_CORE, |
293f5f65 | 971 | CPU_CORE_FLAGS, 0 }, |
8a2c8fef | 972 | { STRING_COMMA_LEN ("merom"), PROCESSOR_CORE2, |
293f5f65 | 973 | CPU_CORE2_FLAGS, 1 }, |
8a2c8fef | 974 | { STRING_COMMA_LEN ("core2"), PROCESSOR_CORE2, |
293f5f65 | 975 | CPU_CORE2_FLAGS, 0 }, |
8a2c8fef | 976 | { STRING_COMMA_LEN ("corei7"), PROCESSOR_COREI7, |
293f5f65 | 977 | CPU_COREI7_FLAGS, 0 }, |
8a2c8fef | 978 | { STRING_COMMA_LEN ("l1om"), PROCESSOR_L1OM, |
293f5f65 | 979 | CPU_L1OM_FLAGS, 0 }, |
7a9068fe | 980 | { STRING_COMMA_LEN ("k1om"), PROCESSOR_K1OM, |
293f5f65 | 981 | CPU_K1OM_FLAGS, 0 }, |
81486035 | 982 | { STRING_COMMA_LEN ("iamcu"), PROCESSOR_IAMCU, |
293f5f65 | 983 | CPU_IAMCU_FLAGS, 0 }, |
8a2c8fef | 984 | { STRING_COMMA_LEN ("k6"), PROCESSOR_K6, |
293f5f65 | 985 | CPU_K6_FLAGS, 0 }, |
8a2c8fef | 986 | { STRING_COMMA_LEN ("k6_2"), PROCESSOR_K6, |
293f5f65 | 987 | CPU_K6_2_FLAGS, 0 }, |
8a2c8fef | 988 | { STRING_COMMA_LEN ("athlon"), PROCESSOR_ATHLON, |
293f5f65 | 989 | CPU_ATHLON_FLAGS, 0 }, |
8a2c8fef | 990 | { STRING_COMMA_LEN ("sledgehammer"), PROCESSOR_K8, |
293f5f65 | 991 | CPU_K8_FLAGS, 1 }, |
8a2c8fef | 992 | { STRING_COMMA_LEN ("opteron"), PROCESSOR_K8, |
293f5f65 | 993 | CPU_K8_FLAGS, 0 }, |
8a2c8fef | 994 | { STRING_COMMA_LEN ("k8"), PROCESSOR_K8, |
293f5f65 | 995 | CPU_K8_FLAGS, 0 }, |
8a2c8fef | 996 | { STRING_COMMA_LEN ("amdfam10"), PROCESSOR_AMDFAM10, |
293f5f65 | 997 | CPU_AMDFAM10_FLAGS, 0 }, |
8aedb9fe | 998 | { STRING_COMMA_LEN ("bdver1"), PROCESSOR_BD, |
293f5f65 | 999 | CPU_BDVER1_FLAGS, 0 }, |
8aedb9fe | 1000 | { STRING_COMMA_LEN ("bdver2"), PROCESSOR_BD, |
293f5f65 | 1001 | CPU_BDVER2_FLAGS, 0 }, |
5e5c50d3 | 1002 | { STRING_COMMA_LEN ("bdver3"), PROCESSOR_BD, |
293f5f65 | 1003 | CPU_BDVER3_FLAGS, 0 }, |
c7b0bd56 | 1004 | { STRING_COMMA_LEN ("bdver4"), PROCESSOR_BD, |
293f5f65 | 1005 | CPU_BDVER4_FLAGS, 0 }, |
029f3522 | 1006 | { STRING_COMMA_LEN ("znver1"), PROCESSOR_ZNVER, |
293f5f65 | 1007 | CPU_ZNVER1_FLAGS, 0 }, |
a9660a6f AP |
1008 | { STRING_COMMA_LEN ("znver2"), PROCESSOR_ZNVER, |
1009 | CPU_ZNVER2_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 }, | |
029f3522 | 1176 | { STRING_COMMA_LEN (".clzero"), PROCESSOR_UNKNOWN, |
293f5f65 | 1177 | CPU_CLZERO_FLAGS, 0 }, |
9916071f | 1178 | { STRING_COMMA_LEN (".mwaitx"), PROCESSOR_UNKNOWN, |
293f5f65 | 1179 | CPU_MWAITX_FLAGS, 0 }, |
8eab4136 | 1180 | { STRING_COMMA_LEN (".ospke"), PROCESSOR_UNKNOWN, |
293f5f65 | 1181 | CPU_OSPKE_FLAGS, 0 }, |
8bc52696 | 1182 | { STRING_COMMA_LEN (".rdpid"), PROCESSOR_UNKNOWN, |
293f5f65 | 1183 | CPU_RDPID_FLAGS, 0 }, |
6b40c462 L |
1184 | { STRING_COMMA_LEN (".ptwrite"), PROCESSOR_UNKNOWN, |
1185 | CPU_PTWRITE_FLAGS, 0 }, | |
d777820b IT |
1186 | { STRING_COMMA_LEN (".ibt"), PROCESSOR_UNKNOWN, |
1187 | CPU_IBT_FLAGS, 0 }, | |
1188 | { STRING_COMMA_LEN (".shstk"), PROCESSOR_UNKNOWN, | |
1189 | CPU_SHSTK_FLAGS, 0 }, | |
48521003 IT |
1190 | { STRING_COMMA_LEN (".gfni"), PROCESSOR_UNKNOWN, |
1191 | CPU_GFNI_FLAGS, 0 }, | |
8dcf1fad IT |
1192 | { STRING_COMMA_LEN (".vaes"), PROCESSOR_UNKNOWN, |
1193 | CPU_VAES_FLAGS, 0 }, | |
ff1982d5 IT |
1194 | { STRING_COMMA_LEN (".vpclmulqdq"), PROCESSOR_UNKNOWN, |
1195 | CPU_VPCLMULQDQ_FLAGS, 0 }, | |
3233d7d0 IT |
1196 | { STRING_COMMA_LEN (".wbnoinvd"), PROCESSOR_UNKNOWN, |
1197 | CPU_WBNOINVD_FLAGS, 0 }, | |
be3a8dca IT |
1198 | { STRING_COMMA_LEN (".pconfig"), PROCESSOR_UNKNOWN, |
1199 | CPU_PCONFIG_FLAGS, 0 }, | |
de89d0a3 IT |
1200 | { STRING_COMMA_LEN (".waitpkg"), PROCESSOR_UNKNOWN, |
1201 | CPU_WAITPKG_FLAGS, 0 }, | |
c48935d7 IT |
1202 | { STRING_COMMA_LEN (".cldemote"), PROCESSOR_UNKNOWN, |
1203 | CPU_CLDEMOTE_FLAGS, 0 }, | |
c0a30a9f L |
1204 | { STRING_COMMA_LEN (".movdiri"), PROCESSOR_UNKNOWN, |
1205 | CPU_MOVDIRI_FLAGS, 0 }, | |
1206 | { STRING_COMMA_LEN (".movdir64b"), PROCESSOR_UNKNOWN, | |
1207 | CPU_MOVDIR64B_FLAGS, 0 }, | |
d6aab7a1 XG |
1208 | { STRING_COMMA_LEN (".avx512_bf16"), PROCESSOR_UNKNOWN, |
1209 | CPU_AVX512_BF16_FLAGS, 0 }, | |
9186c494 L |
1210 | { STRING_COMMA_LEN (".avx512_vp2intersect"), PROCESSOR_UNKNOWN, |
1211 | CPU_AVX512_VP2INTERSECT_FLAGS, 0 }, | |
dd455cf5 L |
1212 | { STRING_COMMA_LEN (".enqcmd"), PROCESSOR_UNKNOWN, |
1213 | CPU_ENQCMD_FLAGS, 0 }, | |
4b27d27c L |
1214 | { STRING_COMMA_LEN (".serialize"), PROCESSOR_UNKNOWN, |
1215 | CPU_SERIALIZE_FLAGS, 0 }, | |
142861df JB |
1216 | { STRING_COMMA_LEN (".rdpru"), PROCESSOR_UNKNOWN, |
1217 | CPU_RDPRU_FLAGS, 0 }, | |
1218 | { STRING_COMMA_LEN (".mcommit"), PROCESSOR_UNKNOWN, | |
1219 | CPU_MCOMMIT_FLAGS, 0 }, | |
a847e322 JB |
1220 | { STRING_COMMA_LEN (".sev_es"), PROCESSOR_UNKNOWN, |
1221 | CPU_SEV_ES_FLAGS, 0 }, | |
bb651e8b CL |
1222 | { STRING_COMMA_LEN (".tsxldtrk"), PROCESSOR_UNKNOWN, |
1223 | CPU_TSXLDTRK_FLAGS, 0 }, | |
293f5f65 L |
1224 | }; |
1225 | ||
1226 | static const noarch_entry cpu_noarch[] = | |
1227 | { | |
1228 | { STRING_COMMA_LEN ("no87"), CPU_ANY_X87_FLAGS }, | |
1848e567 L |
1229 | { STRING_COMMA_LEN ("no287"), CPU_ANY_287_FLAGS }, |
1230 | { STRING_COMMA_LEN ("no387"), CPU_ANY_387_FLAGS }, | |
1231 | { STRING_COMMA_LEN ("no687"), CPU_ANY_687_FLAGS }, | |
d871f3f4 L |
1232 | { STRING_COMMA_LEN ("nocmov"), CPU_ANY_CMOV_FLAGS }, |
1233 | { STRING_COMMA_LEN ("nofxsr"), CPU_ANY_FXSR_FLAGS }, | |
293f5f65 L |
1234 | { STRING_COMMA_LEN ("nommx"), CPU_ANY_MMX_FLAGS }, |
1235 | { STRING_COMMA_LEN ("nosse"), CPU_ANY_SSE_FLAGS }, | |
1848e567 L |
1236 | { STRING_COMMA_LEN ("nosse2"), CPU_ANY_SSE2_FLAGS }, |
1237 | { STRING_COMMA_LEN ("nosse3"), CPU_ANY_SSE3_FLAGS }, | |
af5c13b0 | 1238 | { STRING_COMMA_LEN ("nosse4a"), CPU_ANY_SSE4A_FLAGS }, |
1848e567 L |
1239 | { STRING_COMMA_LEN ("nossse3"), CPU_ANY_SSSE3_FLAGS }, |
1240 | { STRING_COMMA_LEN ("nosse4.1"), CPU_ANY_SSE4_1_FLAGS }, | |
1241 | { STRING_COMMA_LEN ("nosse4.2"), CPU_ANY_SSE4_2_FLAGS }, | |
af5c13b0 | 1242 | { STRING_COMMA_LEN ("nosse4"), CPU_ANY_SSE4_1_FLAGS }, |
293f5f65 | 1243 | { STRING_COMMA_LEN ("noavx"), CPU_ANY_AVX_FLAGS }, |
1848e567 | 1244 | { STRING_COMMA_LEN ("noavx2"), CPU_ANY_AVX2_FLAGS }, |
144b71e2 L |
1245 | { STRING_COMMA_LEN ("noavx512f"), CPU_ANY_AVX512F_FLAGS }, |
1246 | { STRING_COMMA_LEN ("noavx512cd"), CPU_ANY_AVX512CD_FLAGS }, | |
1247 | { STRING_COMMA_LEN ("noavx512er"), CPU_ANY_AVX512ER_FLAGS }, | |
1248 | { STRING_COMMA_LEN ("noavx512pf"), CPU_ANY_AVX512PF_FLAGS }, | |
1249 | { STRING_COMMA_LEN ("noavx512dq"), CPU_ANY_AVX512DQ_FLAGS }, | |
1250 | { STRING_COMMA_LEN ("noavx512bw"), CPU_ANY_AVX512BW_FLAGS }, | |
1251 | { STRING_COMMA_LEN ("noavx512vl"), CPU_ANY_AVX512VL_FLAGS }, | |
1252 | { STRING_COMMA_LEN ("noavx512ifma"), CPU_ANY_AVX512IFMA_FLAGS }, | |
1253 | { STRING_COMMA_LEN ("noavx512vbmi"), CPU_ANY_AVX512VBMI_FLAGS }, | |
920d2ddc | 1254 | { STRING_COMMA_LEN ("noavx512_4fmaps"), CPU_ANY_AVX512_4FMAPS_FLAGS }, |
47acf0bd | 1255 | { STRING_COMMA_LEN ("noavx512_4vnniw"), CPU_ANY_AVX512_4VNNIW_FLAGS }, |
620214f7 | 1256 | { STRING_COMMA_LEN ("noavx512_vpopcntdq"), CPU_ANY_AVX512_VPOPCNTDQ_FLAGS }, |
53467f57 | 1257 | { STRING_COMMA_LEN ("noavx512_vbmi2"), CPU_ANY_AVX512_VBMI2_FLAGS }, |
8cfcb765 | 1258 | { STRING_COMMA_LEN ("noavx512_vnni"), CPU_ANY_AVX512_VNNI_FLAGS }, |
ee6872be | 1259 | { STRING_COMMA_LEN ("noavx512_bitalg"), CPU_ANY_AVX512_BITALG_FLAGS }, |
d777820b IT |
1260 | { STRING_COMMA_LEN ("noibt"), CPU_ANY_IBT_FLAGS }, |
1261 | { STRING_COMMA_LEN ("noshstk"), CPU_ANY_SHSTK_FLAGS }, | |
c0a30a9f L |
1262 | { STRING_COMMA_LEN ("nomovdiri"), CPU_ANY_MOVDIRI_FLAGS }, |
1263 | { STRING_COMMA_LEN ("nomovdir64b"), CPU_ANY_MOVDIR64B_FLAGS }, | |
d6aab7a1 | 1264 | { STRING_COMMA_LEN ("noavx512_bf16"), CPU_ANY_AVX512_BF16_FLAGS }, |
9186c494 | 1265 | { STRING_COMMA_LEN ("noavx512_vp2intersect"), CPU_ANY_SHSTK_FLAGS }, |
dd455cf5 | 1266 | { STRING_COMMA_LEN ("noenqcmd"), CPU_ANY_ENQCMD_FLAGS }, |
4b27d27c | 1267 | { STRING_COMMA_LEN ("noserialize"), CPU_ANY_SERIALIZE_FLAGS }, |
bb651e8b | 1268 | { STRING_COMMA_LEN ("notsxldtrk"), CPU_ANY_TSXLDTRK_FLAGS }, |
e413e4e9 AM |
1269 | }; |
1270 | ||
704209c0 | 1271 | #ifdef I386COFF |
a6c24e68 NC |
1272 | /* Like s_lcomm_internal in gas/read.c but the alignment string |
1273 | is allowed to be optional. */ | |
1274 | ||
1275 | static symbolS * | |
1276 | pe_lcomm_internal (int needs_align, symbolS *symbolP, addressT size) | |
1277 | { | |
1278 | addressT align = 0; | |
1279 | ||
1280 | SKIP_WHITESPACE (); | |
1281 | ||
7ab9ffdd | 1282 | if (needs_align |
a6c24e68 NC |
1283 | && *input_line_pointer == ',') |
1284 | { | |
1285 | align = parse_align (needs_align - 1); | |
7ab9ffdd | 1286 | |
a6c24e68 NC |
1287 | if (align == (addressT) -1) |
1288 | return NULL; | |
1289 | } | |
1290 | else | |
1291 | { | |
1292 | if (size >= 8) | |
1293 | align = 3; | |
1294 | else if (size >= 4) | |
1295 | align = 2; | |
1296 | else if (size >= 2) | |
1297 | align = 1; | |
1298 | else | |
1299 | align = 0; | |
1300 | } | |
1301 | ||
1302 | bss_alloc (symbolP, size, align); | |
1303 | return symbolP; | |
1304 | } | |
1305 | ||
704209c0 | 1306 | static void |
a6c24e68 NC |
1307 | pe_lcomm (int needs_align) |
1308 | { | |
1309 | s_comm_internal (needs_align * 2, pe_lcomm_internal); | |
1310 | } | |
704209c0 | 1311 | #endif |
a6c24e68 | 1312 | |
29b0f896 AM |
1313 | const pseudo_typeS md_pseudo_table[] = |
1314 | { | |
1315 | #if !defined(OBJ_AOUT) && !defined(USE_ALIGN_PTWO) | |
1316 | {"align", s_align_bytes, 0}, | |
1317 | #else | |
1318 | {"align", s_align_ptwo, 0}, | |
1319 | #endif | |
1320 | {"arch", set_cpu_arch, 0}, | |
1321 | #ifndef I386COFF | |
1322 | {"bss", s_bss, 0}, | |
a6c24e68 NC |
1323 | #else |
1324 | {"lcomm", pe_lcomm, 1}, | |
29b0f896 AM |
1325 | #endif |
1326 | {"ffloat", float_cons, 'f'}, | |
1327 | {"dfloat", float_cons, 'd'}, | |
1328 | {"tfloat", float_cons, 'x'}, | |
1329 | {"value", cons, 2}, | |
d182319b | 1330 | {"slong", signed_cons, 4}, |
29b0f896 AM |
1331 | {"noopt", s_ignore, 0}, |
1332 | {"optim", s_ignore, 0}, | |
1333 | {"code16gcc", set_16bit_gcc_code_flag, CODE_16BIT}, | |
1334 | {"code16", set_code_flag, CODE_16BIT}, | |
1335 | {"code32", set_code_flag, CODE_32BIT}, | |
da5f19a2 | 1336 | #ifdef BFD64 |
29b0f896 | 1337 | {"code64", set_code_flag, CODE_64BIT}, |
da5f19a2 | 1338 | #endif |
29b0f896 AM |
1339 | {"intel_syntax", set_intel_syntax, 1}, |
1340 | {"att_syntax", set_intel_syntax, 0}, | |
1efbbeb4 L |
1341 | {"intel_mnemonic", set_intel_mnemonic, 1}, |
1342 | {"att_mnemonic", set_intel_mnemonic, 0}, | |
db51cc60 L |
1343 | {"allow_index_reg", set_allow_index_reg, 1}, |
1344 | {"disallow_index_reg", set_allow_index_reg, 0}, | |
7bab8ab5 JB |
1345 | {"sse_check", set_check, 0}, |
1346 | {"operand_check", set_check, 1}, | |
3b22753a L |
1347 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
1348 | {"largecomm", handle_large_common, 0}, | |
07a53e5c | 1349 | #else |
68d20676 | 1350 | {"file", dwarf2_directive_file, 0}, |
07a53e5c RH |
1351 | {"loc", dwarf2_directive_loc, 0}, |
1352 | {"loc_mark_labels", dwarf2_directive_loc_mark_labels, 0}, | |
3b22753a | 1353 | #endif |
6482c264 NC |
1354 | #ifdef TE_PE |
1355 | {"secrel32", pe_directive_secrel, 0}, | |
1356 | #endif | |
29b0f896 AM |
1357 | {0, 0, 0} |
1358 | }; | |
1359 | ||
1360 | /* For interface with expression (). */ | |
1361 | extern char *input_line_pointer; | |
1362 | ||
1363 | /* Hash table for instruction mnemonic lookup. */ | |
1364 | static struct hash_control *op_hash; | |
1365 | ||
1366 | /* Hash table for register lookup. */ | |
1367 | static struct hash_control *reg_hash; | |
1368 | \f | |
ce8a8b2f AM |
1369 | /* Various efficient no-op patterns for aligning code labels. |
1370 | Note: Don't try to assemble the instructions in the comments. | |
1371 | 0L and 0w are not legal. */ | |
62a02d25 L |
1372 | static const unsigned char f32_1[] = |
1373 | {0x90}; /* nop */ | |
1374 | static const unsigned char f32_2[] = | |
1375 | {0x66,0x90}; /* xchg %ax,%ax */ | |
1376 | static const unsigned char f32_3[] = | |
1377 | {0x8d,0x76,0x00}; /* leal 0(%esi),%esi */ | |
1378 | static const unsigned char f32_4[] = | |
1379 | {0x8d,0x74,0x26,0x00}; /* leal 0(%esi,1),%esi */ | |
62a02d25 L |
1380 | static const unsigned char f32_6[] = |
1381 | {0x8d,0xb6,0x00,0x00,0x00,0x00}; /* leal 0L(%esi),%esi */ | |
1382 | static const unsigned char f32_7[] = | |
1383 | {0x8d,0xb4,0x26,0x00,0x00,0x00,0x00}; /* leal 0L(%esi,1),%esi */ | |
62a02d25 | 1384 | static const unsigned char f16_3[] = |
3ae729d5 | 1385 | {0x8d,0x74,0x00}; /* lea 0(%si),%si */ |
62a02d25 | 1386 | static const unsigned char f16_4[] = |
3ae729d5 L |
1387 | {0x8d,0xb4,0x00,0x00}; /* lea 0W(%si),%si */ |
1388 | static const unsigned char jump_disp8[] = | |
1389 | {0xeb}; /* jmp disp8 */ | |
1390 | static const unsigned char jump32_disp32[] = | |
1391 | {0xe9}; /* jmp disp32 */ | |
1392 | static const unsigned char jump16_disp32[] = | |
1393 | {0x66,0xe9}; /* jmp disp32 */ | |
62a02d25 L |
1394 | /* 32-bit NOPs patterns. */ |
1395 | static const unsigned char *const f32_patt[] = { | |
3ae729d5 | 1396 | f32_1, f32_2, f32_3, f32_4, NULL, f32_6, f32_7 |
62a02d25 L |
1397 | }; |
1398 | /* 16-bit NOPs patterns. */ | |
1399 | static const unsigned char *const f16_patt[] = { | |
3ae729d5 | 1400 | f32_1, f32_2, f16_3, f16_4 |
62a02d25 L |
1401 | }; |
1402 | /* nopl (%[re]ax) */ | |
1403 | static const unsigned char alt_3[] = | |
1404 | {0x0f,0x1f,0x00}; | |
1405 | /* nopl 0(%[re]ax) */ | |
1406 | static const unsigned char alt_4[] = | |
1407 | {0x0f,0x1f,0x40,0x00}; | |
1408 | /* nopl 0(%[re]ax,%[re]ax,1) */ | |
1409 | static const unsigned char alt_5[] = | |
1410 | {0x0f,0x1f,0x44,0x00,0x00}; | |
1411 | /* nopw 0(%[re]ax,%[re]ax,1) */ | |
1412 | static const unsigned char alt_6[] = | |
1413 | {0x66,0x0f,0x1f,0x44,0x00,0x00}; | |
1414 | /* nopl 0L(%[re]ax) */ | |
1415 | static const unsigned char alt_7[] = | |
1416 | {0x0f,0x1f,0x80,0x00,0x00,0x00,0x00}; | |
1417 | /* nopl 0L(%[re]ax,%[re]ax,1) */ | |
1418 | static const unsigned char alt_8[] = | |
1419 | {0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
1420 | /* nopw 0L(%[re]ax,%[re]ax,1) */ | |
1421 | static const unsigned char alt_9[] = | |
1422 | {0x66,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
1423 | /* nopw %cs:0L(%[re]ax,%[re]ax,1) */ | |
1424 | static const unsigned char alt_10[] = | |
1425 | {0x66,0x2e,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
3ae729d5 L |
1426 | /* data16 nopw %cs:0L(%eax,%eax,1) */ |
1427 | static const unsigned char alt_11[] = | |
1428 | {0x66,0x66,0x2e,0x0f,0x1f,0x84,0x00,0x00,0x00,0x00,0x00}; | |
62a02d25 L |
1429 | /* 32-bit and 64-bit NOPs patterns. */ |
1430 | static const unsigned char *const alt_patt[] = { | |
1431 | f32_1, f32_2, alt_3, alt_4, alt_5, alt_6, alt_7, alt_8, | |
3ae729d5 | 1432 | alt_9, alt_10, alt_11 |
62a02d25 L |
1433 | }; |
1434 | ||
1435 | /* Genenerate COUNT bytes of NOPs to WHERE from PATT with the maximum | |
1436 | size of a single NOP instruction MAX_SINGLE_NOP_SIZE. */ | |
1437 | ||
1438 | static void | |
1439 | i386_output_nops (char *where, const unsigned char *const *patt, | |
1440 | int count, int max_single_nop_size) | |
1441 | ||
1442 | { | |
3ae729d5 L |
1443 | /* Place the longer NOP first. */ |
1444 | int last; | |
1445 | int offset; | |
3076e594 NC |
1446 | const unsigned char *nops; |
1447 | ||
1448 | if (max_single_nop_size < 1) | |
1449 | { | |
1450 | as_fatal (_("i386_output_nops called to generate nops of at most %d bytes!"), | |
1451 | max_single_nop_size); | |
1452 | return; | |
1453 | } | |
1454 | ||
1455 | nops = patt[max_single_nop_size - 1]; | |
3ae729d5 L |
1456 | |
1457 | /* Use the smaller one if the requsted one isn't available. */ | |
1458 | if (nops == NULL) | |
62a02d25 | 1459 | { |
3ae729d5 L |
1460 | max_single_nop_size--; |
1461 | nops = patt[max_single_nop_size - 1]; | |
62a02d25 L |
1462 | } |
1463 | ||
3ae729d5 L |
1464 | last = count % max_single_nop_size; |
1465 | ||
1466 | count -= last; | |
1467 | for (offset = 0; offset < count; offset += max_single_nop_size) | |
1468 | memcpy (where + offset, nops, max_single_nop_size); | |
1469 | ||
1470 | if (last) | |
1471 | { | |
1472 | nops = patt[last - 1]; | |
1473 | if (nops == NULL) | |
1474 | { | |
1475 | /* Use the smaller one plus one-byte NOP if the needed one | |
1476 | isn't available. */ | |
1477 | last--; | |
1478 | nops = patt[last - 1]; | |
1479 | memcpy (where + offset, nops, last); | |
1480 | where[offset + last] = *patt[0]; | |
1481 | } | |
1482 | else | |
1483 | memcpy (where + offset, nops, last); | |
1484 | } | |
62a02d25 L |
1485 | } |
1486 | ||
3ae729d5 L |
1487 | static INLINE int |
1488 | fits_in_imm7 (offsetT num) | |
1489 | { | |
1490 | return (num & 0x7f) == num; | |
1491 | } | |
1492 | ||
1493 | static INLINE int | |
1494 | fits_in_imm31 (offsetT num) | |
1495 | { | |
1496 | return (num & 0x7fffffff) == num; | |
1497 | } | |
62a02d25 L |
1498 | |
1499 | /* Genenerate COUNT bytes of NOPs to WHERE with the maximum size of a | |
1500 | single NOP instruction LIMIT. */ | |
1501 | ||
1502 | void | |
3ae729d5 | 1503 | i386_generate_nops (fragS *fragP, char *where, offsetT count, int limit) |
62a02d25 | 1504 | { |
3ae729d5 | 1505 | const unsigned char *const *patt = NULL; |
62a02d25 | 1506 | int max_single_nop_size; |
3ae729d5 L |
1507 | /* Maximum number of NOPs before switching to jump over NOPs. */ |
1508 | int max_number_of_nops; | |
62a02d25 | 1509 | |
3ae729d5 | 1510 | switch (fragP->fr_type) |
62a02d25 | 1511 | { |
3ae729d5 L |
1512 | case rs_fill_nop: |
1513 | case rs_align_code: | |
1514 | break; | |
e379e5f3 L |
1515 | case rs_machine_dependent: |
1516 | /* Allow NOP padding for jumps and calls. */ | |
1517 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING | |
1518 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING) | |
1519 | break; | |
1520 | /* Fall through. */ | |
3ae729d5 | 1521 | default: |
62a02d25 L |
1522 | return; |
1523 | } | |
1524 | ||
ccc9c027 L |
1525 | /* We need to decide which NOP sequence to use for 32bit and |
1526 | 64bit. When -mtune= is used: | |
4eed87de | 1527 | |
76bc74dc L |
1528 | 1. For PROCESSOR_I386, PROCESSOR_I486, PROCESSOR_PENTIUM and |
1529 | PROCESSOR_GENERIC32, f32_patt will be used. | |
80b8656c L |
1530 | 2. For the rest, alt_patt will be used. |
1531 | ||
1532 | When -mtune= isn't used, alt_patt will be used if | |
22109423 | 1533 | cpu_arch_isa_flags has CpuNop. Otherwise, f32_patt will |
76bc74dc | 1534 | be used. |
ccc9c027 L |
1535 | |
1536 | When -march= or .arch is used, we can't use anything beyond | |
1537 | cpu_arch_isa_flags. */ | |
1538 | ||
1539 | if (flag_code == CODE_16BIT) | |
1540 | { | |
3ae729d5 L |
1541 | patt = f16_patt; |
1542 | max_single_nop_size = sizeof (f16_patt) / sizeof (f16_patt[0]); | |
1543 | /* Limit number of NOPs to 2 in 16-bit mode. */ | |
1544 | max_number_of_nops = 2; | |
252b5132 | 1545 | } |
33fef721 | 1546 | else |
ccc9c027 | 1547 | { |
fbf3f584 | 1548 | if (fragP->tc_frag_data.isa == PROCESSOR_UNKNOWN) |
ccc9c027 L |
1549 | { |
1550 | /* PROCESSOR_UNKNOWN means that all ISAs may be used. */ | |
1551 | switch (cpu_arch_tune) | |
1552 | { | |
1553 | case PROCESSOR_UNKNOWN: | |
1554 | /* We use cpu_arch_isa_flags to check if we SHOULD | |
22109423 L |
1555 | optimize with nops. */ |
1556 | if (fragP->tc_frag_data.isa_flags.bitfield.cpunop) | |
80b8656c | 1557 | patt = alt_patt; |
ccc9c027 L |
1558 | else |
1559 | patt = f32_patt; | |
1560 | break; | |
ccc9c027 L |
1561 | case PROCESSOR_PENTIUM4: |
1562 | case PROCESSOR_NOCONA: | |
ef05d495 | 1563 | case PROCESSOR_CORE: |
76bc74dc | 1564 | case PROCESSOR_CORE2: |
bd5295b2 | 1565 | case PROCESSOR_COREI7: |
3632d14b | 1566 | case PROCESSOR_L1OM: |
7a9068fe | 1567 | case PROCESSOR_K1OM: |
76bc74dc | 1568 | case PROCESSOR_GENERIC64: |
ccc9c027 L |
1569 | case PROCESSOR_K6: |
1570 | case PROCESSOR_ATHLON: | |
1571 | case PROCESSOR_K8: | |
4eed87de | 1572 | case PROCESSOR_AMDFAM10: |
8aedb9fe | 1573 | case PROCESSOR_BD: |
029f3522 | 1574 | case PROCESSOR_ZNVER: |
7b458c12 | 1575 | case PROCESSOR_BT: |
80b8656c | 1576 | patt = alt_patt; |
ccc9c027 | 1577 | break; |
76bc74dc | 1578 | case PROCESSOR_I386: |
ccc9c027 L |
1579 | case PROCESSOR_I486: |
1580 | case PROCESSOR_PENTIUM: | |
2dde1948 | 1581 | case PROCESSOR_PENTIUMPRO: |
81486035 | 1582 | case PROCESSOR_IAMCU: |
ccc9c027 L |
1583 | case PROCESSOR_GENERIC32: |
1584 | patt = f32_patt; | |
1585 | break; | |
4eed87de | 1586 | } |
ccc9c027 L |
1587 | } |
1588 | else | |
1589 | { | |
fbf3f584 | 1590 | switch (fragP->tc_frag_data.tune) |
ccc9c027 L |
1591 | { |
1592 | case PROCESSOR_UNKNOWN: | |
e6a14101 | 1593 | /* When cpu_arch_isa is set, cpu_arch_tune shouldn't be |
ccc9c027 L |
1594 | PROCESSOR_UNKNOWN. */ |
1595 | abort (); | |
1596 | break; | |
1597 | ||
76bc74dc | 1598 | case PROCESSOR_I386: |
ccc9c027 L |
1599 | case PROCESSOR_I486: |
1600 | case PROCESSOR_PENTIUM: | |
81486035 | 1601 | case PROCESSOR_IAMCU: |
ccc9c027 L |
1602 | case PROCESSOR_K6: |
1603 | case PROCESSOR_ATHLON: | |
1604 | case PROCESSOR_K8: | |
4eed87de | 1605 | case PROCESSOR_AMDFAM10: |
8aedb9fe | 1606 | case PROCESSOR_BD: |
029f3522 | 1607 | case PROCESSOR_ZNVER: |
7b458c12 | 1608 | case PROCESSOR_BT: |
ccc9c027 L |
1609 | case PROCESSOR_GENERIC32: |
1610 | /* We use cpu_arch_isa_flags to check if we CAN optimize | |
22109423 L |
1611 | with nops. */ |
1612 | if (fragP->tc_frag_data.isa_flags.bitfield.cpunop) | |
80b8656c | 1613 | patt = alt_patt; |
ccc9c027 L |
1614 | else |
1615 | patt = f32_patt; | |
1616 | break; | |
76bc74dc L |
1617 | case PROCESSOR_PENTIUMPRO: |
1618 | case PROCESSOR_PENTIUM4: | |
1619 | case PROCESSOR_NOCONA: | |
1620 | case PROCESSOR_CORE: | |
ef05d495 | 1621 | case PROCESSOR_CORE2: |
bd5295b2 | 1622 | case PROCESSOR_COREI7: |
3632d14b | 1623 | case PROCESSOR_L1OM: |
7a9068fe | 1624 | case PROCESSOR_K1OM: |
22109423 | 1625 | if (fragP->tc_frag_data.isa_flags.bitfield.cpunop) |
80b8656c | 1626 | patt = alt_patt; |
ccc9c027 L |
1627 | else |
1628 | patt = f32_patt; | |
1629 | break; | |
1630 | case PROCESSOR_GENERIC64: | |
80b8656c | 1631 | patt = alt_patt; |
ccc9c027 | 1632 | break; |
4eed87de | 1633 | } |
ccc9c027 L |
1634 | } |
1635 | ||
76bc74dc L |
1636 | if (patt == f32_patt) |
1637 | { | |
3ae729d5 L |
1638 | max_single_nop_size = sizeof (f32_patt) / sizeof (f32_patt[0]); |
1639 | /* Limit number of NOPs to 2 for older processors. */ | |
1640 | max_number_of_nops = 2; | |
76bc74dc L |
1641 | } |
1642 | else | |
1643 | { | |
3ae729d5 L |
1644 | max_single_nop_size = sizeof (alt_patt) / sizeof (alt_patt[0]); |
1645 | /* Limit number of NOPs to 7 for newer processors. */ | |
1646 | max_number_of_nops = 7; | |
1647 | } | |
1648 | } | |
1649 | ||
1650 | if (limit == 0) | |
1651 | limit = max_single_nop_size; | |
1652 | ||
1653 | if (fragP->fr_type == rs_fill_nop) | |
1654 | { | |
1655 | /* Output NOPs for .nop directive. */ | |
1656 | if (limit > max_single_nop_size) | |
1657 | { | |
1658 | as_bad_where (fragP->fr_file, fragP->fr_line, | |
1659 | _("invalid single nop size: %d " | |
1660 | "(expect within [0, %d])"), | |
1661 | limit, max_single_nop_size); | |
1662 | return; | |
1663 | } | |
1664 | } | |
e379e5f3 | 1665 | else if (fragP->fr_type != rs_machine_dependent) |
3ae729d5 L |
1666 | fragP->fr_var = count; |
1667 | ||
1668 | if ((count / max_single_nop_size) > max_number_of_nops) | |
1669 | { | |
1670 | /* Generate jump over NOPs. */ | |
1671 | offsetT disp = count - 2; | |
1672 | if (fits_in_imm7 (disp)) | |
1673 | { | |
1674 | /* Use "jmp disp8" if possible. */ | |
1675 | count = disp; | |
1676 | where[0] = jump_disp8[0]; | |
1677 | where[1] = count; | |
1678 | where += 2; | |
1679 | } | |
1680 | else | |
1681 | { | |
1682 | unsigned int size_of_jump; | |
1683 | ||
1684 | if (flag_code == CODE_16BIT) | |
1685 | { | |
1686 | where[0] = jump16_disp32[0]; | |
1687 | where[1] = jump16_disp32[1]; | |
1688 | size_of_jump = 2; | |
1689 | } | |
1690 | else | |
1691 | { | |
1692 | where[0] = jump32_disp32[0]; | |
1693 | size_of_jump = 1; | |
1694 | } | |
1695 | ||
1696 | count -= size_of_jump + 4; | |
1697 | if (!fits_in_imm31 (count)) | |
1698 | { | |
1699 | as_bad_where (fragP->fr_file, fragP->fr_line, | |
1700 | _("jump over nop padding out of range")); | |
1701 | return; | |
1702 | } | |
1703 | ||
1704 | md_number_to_chars (where + size_of_jump, count, 4); | |
1705 | where += size_of_jump + 4; | |
76bc74dc | 1706 | } |
ccc9c027 | 1707 | } |
3ae729d5 L |
1708 | |
1709 | /* Generate multiple NOPs. */ | |
1710 | i386_output_nops (where, patt, count, limit); | |
252b5132 RH |
1711 | } |
1712 | ||
c6fb90c8 | 1713 | static INLINE int |
0dfbf9d7 | 1714 | operand_type_all_zero (const union i386_operand_type *x) |
40fb9820 | 1715 | { |
0dfbf9d7 | 1716 | switch (ARRAY_SIZE(x->array)) |
c6fb90c8 L |
1717 | { |
1718 | case 3: | |
0dfbf9d7 | 1719 | if (x->array[2]) |
c6fb90c8 | 1720 | return 0; |
1a0670f3 | 1721 | /* Fall through. */ |
c6fb90c8 | 1722 | case 2: |
0dfbf9d7 | 1723 | if (x->array[1]) |
c6fb90c8 | 1724 | return 0; |
1a0670f3 | 1725 | /* Fall through. */ |
c6fb90c8 | 1726 | case 1: |
0dfbf9d7 | 1727 | return !x->array[0]; |
c6fb90c8 L |
1728 | default: |
1729 | abort (); | |
1730 | } | |
40fb9820 L |
1731 | } |
1732 | ||
c6fb90c8 | 1733 | static INLINE void |
0dfbf9d7 | 1734 | operand_type_set (union i386_operand_type *x, unsigned int v) |
40fb9820 | 1735 | { |
0dfbf9d7 | 1736 | switch (ARRAY_SIZE(x->array)) |
c6fb90c8 L |
1737 | { |
1738 | case 3: | |
0dfbf9d7 | 1739 | x->array[2] = v; |
1a0670f3 | 1740 | /* Fall through. */ |
c6fb90c8 | 1741 | case 2: |
0dfbf9d7 | 1742 | x->array[1] = v; |
1a0670f3 | 1743 | /* Fall through. */ |
c6fb90c8 | 1744 | case 1: |
0dfbf9d7 | 1745 | x->array[0] = v; |
1a0670f3 | 1746 | /* Fall through. */ |
c6fb90c8 L |
1747 | break; |
1748 | default: | |
1749 | abort (); | |
1750 | } | |
bab6aec1 JB |
1751 | |
1752 | x->bitfield.class = ClassNone; | |
75e5731b | 1753 | x->bitfield.instance = InstanceNone; |
c6fb90c8 | 1754 | } |
40fb9820 | 1755 | |
c6fb90c8 | 1756 | static INLINE int |
0dfbf9d7 L |
1757 | operand_type_equal (const union i386_operand_type *x, |
1758 | const union i386_operand_type *y) | |
c6fb90c8 | 1759 | { |
0dfbf9d7 | 1760 | switch (ARRAY_SIZE(x->array)) |
c6fb90c8 L |
1761 | { |
1762 | case 3: | |
0dfbf9d7 | 1763 | if (x->array[2] != y->array[2]) |
c6fb90c8 | 1764 | return 0; |
1a0670f3 | 1765 | /* Fall through. */ |
c6fb90c8 | 1766 | case 2: |
0dfbf9d7 | 1767 | if (x->array[1] != y->array[1]) |
c6fb90c8 | 1768 | return 0; |
1a0670f3 | 1769 | /* Fall through. */ |
c6fb90c8 | 1770 | case 1: |
0dfbf9d7 | 1771 | return x->array[0] == y->array[0]; |
c6fb90c8 L |
1772 | break; |
1773 | default: | |
1774 | abort (); | |
1775 | } | |
1776 | } | |
40fb9820 | 1777 | |
0dfbf9d7 L |
1778 | static INLINE int |
1779 | cpu_flags_all_zero (const union i386_cpu_flags *x) | |
1780 | { | |
1781 | switch (ARRAY_SIZE(x->array)) | |
1782 | { | |
53467f57 IT |
1783 | case 4: |
1784 | if (x->array[3]) | |
1785 | return 0; | |
1786 | /* Fall through. */ | |
0dfbf9d7 L |
1787 | case 3: |
1788 | if (x->array[2]) | |
1789 | return 0; | |
1a0670f3 | 1790 | /* Fall through. */ |
0dfbf9d7 L |
1791 | case 2: |
1792 | if (x->array[1]) | |
1793 | return 0; | |
1a0670f3 | 1794 | /* Fall through. */ |
0dfbf9d7 L |
1795 | case 1: |
1796 | return !x->array[0]; | |
1797 | default: | |
1798 | abort (); | |
1799 | } | |
1800 | } | |
1801 | ||
0dfbf9d7 L |
1802 | static INLINE int |
1803 | cpu_flags_equal (const union i386_cpu_flags *x, | |
1804 | const union i386_cpu_flags *y) | |
1805 | { | |
1806 | switch (ARRAY_SIZE(x->array)) | |
1807 | { | |
53467f57 IT |
1808 | case 4: |
1809 | if (x->array[3] != y->array[3]) | |
1810 | return 0; | |
1811 | /* Fall through. */ | |
0dfbf9d7 L |
1812 | case 3: |
1813 | if (x->array[2] != y->array[2]) | |
1814 | return 0; | |
1a0670f3 | 1815 | /* Fall through. */ |
0dfbf9d7 L |
1816 | case 2: |
1817 | if (x->array[1] != y->array[1]) | |
1818 | return 0; | |
1a0670f3 | 1819 | /* Fall through. */ |
0dfbf9d7 L |
1820 | case 1: |
1821 | return x->array[0] == y->array[0]; | |
1822 | break; | |
1823 | default: | |
1824 | abort (); | |
1825 | } | |
1826 | } | |
c6fb90c8 L |
1827 | |
1828 | static INLINE int | |
1829 | cpu_flags_check_cpu64 (i386_cpu_flags f) | |
1830 | { | |
1831 | return !((flag_code == CODE_64BIT && f.bitfield.cpuno64) | |
1832 | || (flag_code != CODE_64BIT && f.bitfield.cpu64)); | |
40fb9820 L |
1833 | } |
1834 | ||
c6fb90c8 L |
1835 | static INLINE i386_cpu_flags |
1836 | cpu_flags_and (i386_cpu_flags x, i386_cpu_flags y) | |
40fb9820 | 1837 | { |
c6fb90c8 L |
1838 | switch (ARRAY_SIZE (x.array)) |
1839 | { | |
53467f57 IT |
1840 | case 4: |
1841 | x.array [3] &= y.array [3]; | |
1842 | /* Fall through. */ | |
c6fb90c8 L |
1843 | case 3: |
1844 | x.array [2] &= y.array [2]; | |
1a0670f3 | 1845 | /* Fall through. */ |
c6fb90c8 L |
1846 | case 2: |
1847 | x.array [1] &= y.array [1]; | |
1a0670f3 | 1848 | /* Fall through. */ |
c6fb90c8 L |
1849 | case 1: |
1850 | x.array [0] &= y.array [0]; | |
1851 | break; | |
1852 | default: | |
1853 | abort (); | |
1854 | } | |
1855 | return x; | |
1856 | } | |
40fb9820 | 1857 | |
c6fb90c8 L |
1858 | static INLINE i386_cpu_flags |
1859 | cpu_flags_or (i386_cpu_flags x, i386_cpu_flags y) | |
40fb9820 | 1860 | { |
c6fb90c8 | 1861 | switch (ARRAY_SIZE (x.array)) |
40fb9820 | 1862 | { |
53467f57 IT |
1863 | case 4: |
1864 | x.array [3] |= y.array [3]; | |
1865 | /* Fall through. */ | |
c6fb90c8 L |
1866 | case 3: |
1867 | x.array [2] |= y.array [2]; | |
1a0670f3 | 1868 | /* Fall through. */ |
c6fb90c8 L |
1869 | case 2: |
1870 | x.array [1] |= y.array [1]; | |
1a0670f3 | 1871 | /* Fall through. */ |
c6fb90c8 L |
1872 | case 1: |
1873 | x.array [0] |= y.array [0]; | |
40fb9820 L |
1874 | break; |
1875 | default: | |
1876 | abort (); | |
1877 | } | |
40fb9820 L |
1878 | return x; |
1879 | } | |
1880 | ||
309d3373 JB |
1881 | static INLINE i386_cpu_flags |
1882 | cpu_flags_and_not (i386_cpu_flags x, i386_cpu_flags y) | |
1883 | { | |
1884 | switch (ARRAY_SIZE (x.array)) | |
1885 | { | |
53467f57 IT |
1886 | case 4: |
1887 | x.array [3] &= ~y.array [3]; | |
1888 | /* Fall through. */ | |
309d3373 JB |
1889 | case 3: |
1890 | x.array [2] &= ~y.array [2]; | |
1a0670f3 | 1891 | /* Fall through. */ |
309d3373 JB |
1892 | case 2: |
1893 | x.array [1] &= ~y.array [1]; | |
1a0670f3 | 1894 | /* Fall through. */ |
309d3373 JB |
1895 | case 1: |
1896 | x.array [0] &= ~y.array [0]; | |
1897 | break; | |
1898 | default: | |
1899 | abort (); | |
1900 | } | |
1901 | return x; | |
1902 | } | |
1903 | ||
6c0946d0 JB |
1904 | static const i386_cpu_flags avx512 = CPU_ANY_AVX512F_FLAGS; |
1905 | ||
c0f3af97 L |
1906 | #define CPU_FLAGS_ARCH_MATCH 0x1 |
1907 | #define CPU_FLAGS_64BIT_MATCH 0x2 | |
1908 | ||
c0f3af97 | 1909 | #define CPU_FLAGS_PERFECT_MATCH \ |
db12e14e | 1910 | (CPU_FLAGS_ARCH_MATCH | CPU_FLAGS_64BIT_MATCH) |
c0f3af97 L |
1911 | |
1912 | /* Return CPU flags match bits. */ | |
3629bb00 | 1913 | |
40fb9820 | 1914 | static int |
d3ce72d0 | 1915 | cpu_flags_match (const insn_template *t) |
40fb9820 | 1916 | { |
c0f3af97 L |
1917 | i386_cpu_flags x = t->cpu_flags; |
1918 | int match = cpu_flags_check_cpu64 (x) ? CPU_FLAGS_64BIT_MATCH : 0; | |
40fb9820 L |
1919 | |
1920 | x.bitfield.cpu64 = 0; | |
1921 | x.bitfield.cpuno64 = 0; | |
1922 | ||
0dfbf9d7 | 1923 | if (cpu_flags_all_zero (&x)) |
c0f3af97 L |
1924 | { |
1925 | /* This instruction is available on all archs. */ | |
db12e14e | 1926 | match |= CPU_FLAGS_ARCH_MATCH; |
c0f3af97 | 1927 | } |
3629bb00 L |
1928 | else |
1929 | { | |
c0f3af97 | 1930 | /* This instruction is available only on some archs. */ |
3629bb00 L |
1931 | i386_cpu_flags cpu = cpu_arch_flags; |
1932 | ||
ab592e75 JB |
1933 | /* AVX512VL is no standalone feature - match it and then strip it. */ |
1934 | if (x.bitfield.cpuavx512vl && !cpu.bitfield.cpuavx512vl) | |
1935 | return match; | |
1936 | x.bitfield.cpuavx512vl = 0; | |
1937 | ||
3629bb00 | 1938 | cpu = cpu_flags_and (x, cpu); |
c0f3af97 L |
1939 | if (!cpu_flags_all_zero (&cpu)) |
1940 | { | |
a5ff0eb2 L |
1941 | if (x.bitfield.cpuavx) |
1942 | { | |
929f69fa | 1943 | /* We need to check a few extra flags with AVX. */ |
b9d49817 JB |
1944 | if (cpu.bitfield.cpuavx |
1945 | && (!t->opcode_modifier.sse2avx || sse2avx) | |
1946 | && (!x.bitfield.cpuaes || cpu.bitfield.cpuaes) | |
929f69fa | 1947 | && (!x.bitfield.cpugfni || cpu.bitfield.cpugfni) |
b9d49817 JB |
1948 | && (!x.bitfield.cpupclmul || cpu.bitfield.cpupclmul)) |
1949 | match |= CPU_FLAGS_ARCH_MATCH; | |
a5ff0eb2 | 1950 | } |
929f69fa JB |
1951 | else if (x.bitfield.cpuavx512f) |
1952 | { | |
1953 | /* We need to check a few extra flags with AVX512F. */ | |
1954 | if (cpu.bitfield.cpuavx512f | |
1955 | && (!x.bitfield.cpugfni || cpu.bitfield.cpugfni) | |
1956 | && (!x.bitfield.cpuvaes || cpu.bitfield.cpuvaes) | |
1957 | && (!x.bitfield.cpuvpclmulqdq || cpu.bitfield.cpuvpclmulqdq)) | |
1958 | match |= CPU_FLAGS_ARCH_MATCH; | |
1959 | } | |
a5ff0eb2 | 1960 | else |
db12e14e | 1961 | match |= CPU_FLAGS_ARCH_MATCH; |
c0f3af97 | 1962 | } |
3629bb00 | 1963 | } |
c0f3af97 | 1964 | return match; |
40fb9820 L |
1965 | } |
1966 | ||
c6fb90c8 L |
1967 | static INLINE i386_operand_type |
1968 | operand_type_and (i386_operand_type x, i386_operand_type y) | |
40fb9820 | 1969 | { |
bab6aec1 JB |
1970 | if (x.bitfield.class != y.bitfield.class) |
1971 | x.bitfield.class = ClassNone; | |
75e5731b JB |
1972 | if (x.bitfield.instance != y.bitfield.instance) |
1973 | x.bitfield.instance = InstanceNone; | |
bab6aec1 | 1974 | |
c6fb90c8 L |
1975 | switch (ARRAY_SIZE (x.array)) |
1976 | { | |
1977 | case 3: | |
1978 | x.array [2] &= y.array [2]; | |
1a0670f3 | 1979 | /* Fall through. */ |
c6fb90c8 L |
1980 | case 2: |
1981 | x.array [1] &= y.array [1]; | |
1a0670f3 | 1982 | /* Fall through. */ |
c6fb90c8 L |
1983 | case 1: |
1984 | x.array [0] &= y.array [0]; | |
1985 | break; | |
1986 | default: | |
1987 | abort (); | |
1988 | } | |
1989 | return x; | |
40fb9820 L |
1990 | } |
1991 | ||
73053c1f JB |
1992 | static INLINE i386_operand_type |
1993 | operand_type_and_not (i386_operand_type x, i386_operand_type y) | |
1994 | { | |
bab6aec1 | 1995 | gas_assert (y.bitfield.class == ClassNone); |
75e5731b | 1996 | gas_assert (y.bitfield.instance == InstanceNone); |
bab6aec1 | 1997 | |
73053c1f JB |
1998 | switch (ARRAY_SIZE (x.array)) |
1999 | { | |
2000 | case 3: | |
2001 | x.array [2] &= ~y.array [2]; | |
2002 | /* Fall through. */ | |
2003 | case 2: | |
2004 | x.array [1] &= ~y.array [1]; | |
2005 | /* Fall through. */ | |
2006 | case 1: | |
2007 | x.array [0] &= ~y.array [0]; | |
2008 | break; | |
2009 | default: | |
2010 | abort (); | |
2011 | } | |
2012 | return x; | |
2013 | } | |
2014 | ||
c6fb90c8 L |
2015 | static INLINE i386_operand_type |
2016 | operand_type_or (i386_operand_type x, i386_operand_type y) | |
40fb9820 | 2017 | { |
bab6aec1 JB |
2018 | gas_assert (x.bitfield.class == ClassNone || |
2019 | y.bitfield.class == ClassNone || | |
2020 | x.bitfield.class == y.bitfield.class); | |
75e5731b JB |
2021 | gas_assert (x.bitfield.instance == InstanceNone || |
2022 | y.bitfield.instance == InstanceNone || | |
2023 | x.bitfield.instance == y.bitfield.instance); | |
bab6aec1 | 2024 | |
c6fb90c8 | 2025 | switch (ARRAY_SIZE (x.array)) |
40fb9820 | 2026 | { |
c6fb90c8 L |
2027 | case 3: |
2028 | x.array [2] |= y.array [2]; | |
1a0670f3 | 2029 | /* Fall through. */ |
c6fb90c8 L |
2030 | case 2: |
2031 | x.array [1] |= y.array [1]; | |
1a0670f3 | 2032 | /* Fall through. */ |
c6fb90c8 L |
2033 | case 1: |
2034 | x.array [0] |= y.array [0]; | |
40fb9820 L |
2035 | break; |
2036 | default: | |
2037 | abort (); | |
2038 | } | |
c6fb90c8 L |
2039 | return x; |
2040 | } | |
40fb9820 | 2041 | |
c6fb90c8 L |
2042 | static INLINE i386_operand_type |
2043 | operand_type_xor (i386_operand_type x, i386_operand_type y) | |
2044 | { | |
bab6aec1 | 2045 | gas_assert (y.bitfield.class == ClassNone); |
75e5731b | 2046 | gas_assert (y.bitfield.instance == InstanceNone); |
bab6aec1 | 2047 | |
c6fb90c8 L |
2048 | switch (ARRAY_SIZE (x.array)) |
2049 | { | |
2050 | case 3: | |
2051 | x.array [2] ^= y.array [2]; | |
1a0670f3 | 2052 | /* Fall through. */ |
c6fb90c8 L |
2053 | case 2: |
2054 | x.array [1] ^= y.array [1]; | |
1a0670f3 | 2055 | /* Fall through. */ |
c6fb90c8 L |
2056 | case 1: |
2057 | x.array [0] ^= y.array [0]; | |
2058 | break; | |
2059 | default: | |
2060 | abort (); | |
2061 | } | |
40fb9820 L |
2062 | return x; |
2063 | } | |
2064 | ||
40fb9820 L |
2065 | static const i386_operand_type disp16 = OPERAND_TYPE_DISP16; |
2066 | static const i386_operand_type disp32 = OPERAND_TYPE_DISP32; | |
2067 | static const i386_operand_type disp32s = OPERAND_TYPE_DISP32S; | |
2068 | static const i386_operand_type disp16_32 = OPERAND_TYPE_DISP16_32; | |
bab6aec1 JB |
2069 | static const i386_operand_type anydisp = OPERAND_TYPE_ANYDISP; |
2070 | static const i386_operand_type anyimm = OPERAND_TYPE_ANYIMM; | |
40fb9820 | 2071 | static const i386_operand_type regxmm = OPERAND_TYPE_REGXMM; |
43234a1e | 2072 | static const i386_operand_type regmask = OPERAND_TYPE_REGMASK; |
40fb9820 L |
2073 | static const i386_operand_type imm8 = OPERAND_TYPE_IMM8; |
2074 | static const i386_operand_type imm8s = OPERAND_TYPE_IMM8S; | |
2075 | static const i386_operand_type imm16 = OPERAND_TYPE_IMM16; | |
2076 | static const i386_operand_type imm32 = OPERAND_TYPE_IMM32; | |
2077 | static const i386_operand_type imm32s = OPERAND_TYPE_IMM32S; | |
2078 | static const i386_operand_type imm64 = OPERAND_TYPE_IMM64; | |
2079 | static const i386_operand_type imm16_32 = OPERAND_TYPE_IMM16_32; | |
2080 | static const i386_operand_type imm16_32s = OPERAND_TYPE_IMM16_32S; | |
2081 | static const i386_operand_type imm16_32_32s = OPERAND_TYPE_IMM16_32_32S; | |
2082 | ||
2083 | enum operand_type | |
2084 | { | |
2085 | reg, | |
40fb9820 L |
2086 | imm, |
2087 | disp, | |
2088 | anymem | |
2089 | }; | |
2090 | ||
c6fb90c8 | 2091 | static INLINE int |
40fb9820 L |
2092 | operand_type_check (i386_operand_type t, enum operand_type c) |
2093 | { | |
2094 | switch (c) | |
2095 | { | |
2096 | case reg: | |
bab6aec1 | 2097 | return t.bitfield.class == Reg; |
40fb9820 | 2098 | |
40fb9820 L |
2099 | case imm: |
2100 | return (t.bitfield.imm8 | |
2101 | || t.bitfield.imm8s | |
2102 | || t.bitfield.imm16 | |
2103 | || t.bitfield.imm32 | |
2104 | || t.bitfield.imm32s | |
2105 | || t.bitfield.imm64); | |
2106 | ||
2107 | case disp: | |
2108 | return (t.bitfield.disp8 | |
2109 | || t.bitfield.disp16 | |
2110 | || t.bitfield.disp32 | |
2111 | || t.bitfield.disp32s | |
2112 | || t.bitfield.disp64); | |
2113 | ||
2114 | case anymem: | |
2115 | return (t.bitfield.disp8 | |
2116 | || t.bitfield.disp16 | |
2117 | || t.bitfield.disp32 | |
2118 | || t.bitfield.disp32s | |
2119 | || t.bitfield.disp64 | |
2120 | || t.bitfield.baseindex); | |
2121 | ||
2122 | default: | |
2123 | abort (); | |
2124 | } | |
2cfe26b6 AM |
2125 | |
2126 | return 0; | |
40fb9820 L |
2127 | } |
2128 | ||
7a54636a L |
2129 | /* Return 1 if there is no conflict in 8bit/16bit/32bit/64bit/80bit size |
2130 | between operand GIVEN and opeand WANTED for instruction template T. */ | |
5c07affc L |
2131 | |
2132 | static INLINE int | |
7a54636a L |
2133 | match_operand_size (const insn_template *t, unsigned int wanted, |
2134 | unsigned int given) | |
5c07affc | 2135 | { |
3ac21baa JB |
2136 | return !((i.types[given].bitfield.byte |
2137 | && !t->operand_types[wanted].bitfield.byte) | |
2138 | || (i.types[given].bitfield.word | |
2139 | && !t->operand_types[wanted].bitfield.word) | |
2140 | || (i.types[given].bitfield.dword | |
2141 | && !t->operand_types[wanted].bitfield.dword) | |
2142 | || (i.types[given].bitfield.qword | |
2143 | && !t->operand_types[wanted].bitfield.qword) | |
2144 | || (i.types[given].bitfield.tbyte | |
2145 | && !t->operand_types[wanted].bitfield.tbyte)); | |
5c07affc L |
2146 | } |
2147 | ||
dd40ce22 L |
2148 | /* Return 1 if there is no conflict in SIMD register between operand |
2149 | GIVEN and opeand WANTED for instruction template T. */ | |
1b54b8d7 JB |
2150 | |
2151 | static INLINE int | |
dd40ce22 L |
2152 | match_simd_size (const insn_template *t, unsigned int wanted, |
2153 | unsigned int given) | |
1b54b8d7 | 2154 | { |
3ac21baa JB |
2155 | return !((i.types[given].bitfield.xmmword |
2156 | && !t->operand_types[wanted].bitfield.xmmword) | |
2157 | || (i.types[given].bitfield.ymmword | |
2158 | && !t->operand_types[wanted].bitfield.ymmword) | |
2159 | || (i.types[given].bitfield.zmmword | |
2160 | && !t->operand_types[wanted].bitfield.zmmword)); | |
1b54b8d7 JB |
2161 | } |
2162 | ||
7a54636a L |
2163 | /* Return 1 if there is no conflict in any size between operand GIVEN |
2164 | and opeand WANTED for instruction template T. */ | |
5c07affc L |
2165 | |
2166 | static INLINE int | |
dd40ce22 L |
2167 | match_mem_size (const insn_template *t, unsigned int wanted, |
2168 | unsigned int given) | |
5c07affc | 2169 | { |
7a54636a | 2170 | return (match_operand_size (t, wanted, given) |
3ac21baa | 2171 | && !((i.types[given].bitfield.unspecified |
af508cb9 | 2172 | && !i.broadcast |
3ac21baa JB |
2173 | && !t->operand_types[wanted].bitfield.unspecified) |
2174 | || (i.types[given].bitfield.fword | |
2175 | && !t->operand_types[wanted].bitfield.fword) | |
1b54b8d7 JB |
2176 | /* For scalar opcode templates to allow register and memory |
2177 | operands at the same time, some special casing is needed | |
d6793fa1 JB |
2178 | here. Also for v{,p}broadcast*, {,v}pmov{s,z}*, and |
2179 | down-conversion vpmov*. */ | |
3528c362 | 2180 | || ((t->operand_types[wanted].bitfield.class == RegSIMD |
bc49bfd8 JB |
2181 | && t->operand_types[wanted].bitfield.byte |
2182 | + t->operand_types[wanted].bitfield.word | |
2183 | + t->operand_types[wanted].bitfield.dword | |
2184 | + t->operand_types[wanted].bitfield.qword | |
2185 | > !!t->opcode_modifier.broadcast) | |
3ac21baa JB |
2186 | ? (i.types[given].bitfield.xmmword |
2187 | || i.types[given].bitfield.ymmword | |
2188 | || i.types[given].bitfield.zmmword) | |
2189 | : !match_simd_size(t, wanted, given)))); | |
5c07affc L |
2190 | } |
2191 | ||
3ac21baa JB |
2192 | /* Return value has MATCH_STRAIGHT set if there is no size conflict on any |
2193 | operands for instruction template T, and it has MATCH_REVERSE set if there | |
2194 | is no size conflict on any operands for the template with operands reversed | |
2195 | (and the template allows for reversing in the first place). */ | |
5c07affc | 2196 | |
3ac21baa JB |
2197 | #define MATCH_STRAIGHT 1 |
2198 | #define MATCH_REVERSE 2 | |
2199 | ||
2200 | static INLINE unsigned int | |
d3ce72d0 | 2201 | operand_size_match (const insn_template *t) |
5c07affc | 2202 | { |
3ac21baa | 2203 | unsigned int j, match = MATCH_STRAIGHT; |
5c07affc | 2204 | |
0cfa3eb3 | 2205 | /* Don't check non-absolute jump instructions. */ |
5c07affc | 2206 | if (t->opcode_modifier.jump |
0cfa3eb3 | 2207 | && t->opcode_modifier.jump != JUMP_ABSOLUTE) |
5c07affc L |
2208 | return match; |
2209 | ||
2210 | /* Check memory and accumulator operand size. */ | |
2211 | for (j = 0; j < i.operands; j++) | |
2212 | { | |
3528c362 JB |
2213 | if (i.types[j].bitfield.class != Reg |
2214 | && i.types[j].bitfield.class != RegSIMD | |
601e8564 | 2215 | && t->opcode_modifier.anysize) |
5c07affc L |
2216 | continue; |
2217 | ||
bab6aec1 | 2218 | if (t->operand_types[j].bitfield.class == Reg |
7a54636a | 2219 | && !match_operand_size (t, j, j)) |
5c07affc L |
2220 | { |
2221 | match = 0; | |
2222 | break; | |
2223 | } | |
2224 | ||
3528c362 | 2225 | if (t->operand_types[j].bitfield.class == RegSIMD |
3ac21baa | 2226 | && !match_simd_size (t, j, j)) |
1b54b8d7 JB |
2227 | { |
2228 | match = 0; | |
2229 | break; | |
2230 | } | |
2231 | ||
75e5731b | 2232 | if (t->operand_types[j].bitfield.instance == Accum |
7a54636a | 2233 | && (!match_operand_size (t, j, j) || !match_simd_size (t, j, j))) |
1b54b8d7 JB |
2234 | { |
2235 | match = 0; | |
2236 | break; | |
2237 | } | |
2238 | ||
c48dadc9 | 2239 | if ((i.flags[j] & Operand_Mem) && !match_mem_size (t, j, j)) |
5c07affc L |
2240 | { |
2241 | match = 0; | |
2242 | break; | |
2243 | } | |
2244 | } | |
2245 | ||
3ac21baa | 2246 | if (!t->opcode_modifier.d) |
891edac4 | 2247 | { |
dc1e8a47 | 2248 | mismatch: |
3ac21baa JB |
2249 | if (!match) |
2250 | i.error = operand_size_mismatch; | |
2251 | return match; | |
891edac4 | 2252 | } |
5c07affc L |
2253 | |
2254 | /* Check reverse. */ | |
f5eb1d70 | 2255 | gas_assert (i.operands >= 2 && i.operands <= 3); |
5c07affc | 2256 | |
f5eb1d70 | 2257 | for (j = 0; j < i.operands; j++) |
5c07affc | 2258 | { |
f5eb1d70 JB |
2259 | unsigned int given = i.operands - j - 1; |
2260 | ||
bab6aec1 | 2261 | if (t->operand_types[j].bitfield.class == Reg |
f5eb1d70 | 2262 | && !match_operand_size (t, j, given)) |
891edac4 | 2263 | goto mismatch; |
5c07affc | 2264 | |
3528c362 | 2265 | if (t->operand_types[j].bitfield.class == RegSIMD |
f5eb1d70 | 2266 | && !match_simd_size (t, j, given)) |
dbbc8b7e JB |
2267 | goto mismatch; |
2268 | ||
75e5731b | 2269 | if (t->operand_types[j].bitfield.instance == Accum |
f5eb1d70 JB |
2270 | && (!match_operand_size (t, j, given) |
2271 | || !match_simd_size (t, j, given))) | |
dbbc8b7e JB |
2272 | goto mismatch; |
2273 | ||
f5eb1d70 | 2274 | if ((i.flags[given] & Operand_Mem) && !match_mem_size (t, j, given)) |
891edac4 | 2275 | goto mismatch; |
5c07affc L |
2276 | } |
2277 | ||
3ac21baa | 2278 | return match | MATCH_REVERSE; |
5c07affc L |
2279 | } |
2280 | ||
c6fb90c8 | 2281 | static INLINE int |
40fb9820 L |
2282 | operand_type_match (i386_operand_type overlap, |
2283 | i386_operand_type given) | |
2284 | { | |
2285 | i386_operand_type temp = overlap; | |
2286 | ||
7d5e4556 | 2287 | temp.bitfield.unspecified = 0; |
5c07affc L |
2288 | temp.bitfield.byte = 0; |
2289 | temp.bitfield.word = 0; | |
2290 | temp.bitfield.dword = 0; | |
2291 | temp.bitfield.fword = 0; | |
2292 | temp.bitfield.qword = 0; | |
2293 | temp.bitfield.tbyte = 0; | |
2294 | temp.bitfield.xmmword = 0; | |
c0f3af97 | 2295 | temp.bitfield.ymmword = 0; |
43234a1e | 2296 | temp.bitfield.zmmword = 0; |
0dfbf9d7 | 2297 | if (operand_type_all_zero (&temp)) |
891edac4 | 2298 | goto mismatch; |
40fb9820 | 2299 | |
6f2f06be | 2300 | if (given.bitfield.baseindex == overlap.bitfield.baseindex) |
891edac4 L |
2301 | return 1; |
2302 | ||
dc1e8a47 | 2303 | mismatch: |
a65babc9 | 2304 | i.error = operand_type_mismatch; |
891edac4 | 2305 | return 0; |
40fb9820 L |
2306 | } |
2307 | ||
7d5e4556 | 2308 | /* If given types g0 and g1 are registers they must be of the same type |
10c17abd | 2309 | unless the expected operand type register overlap is null. |
5de4d9ef | 2310 | Some Intel syntax memory operand size checking also happens here. */ |
40fb9820 | 2311 | |
c6fb90c8 | 2312 | static INLINE int |
dc821c5f | 2313 | operand_type_register_match (i386_operand_type g0, |
40fb9820 | 2314 | i386_operand_type t0, |
40fb9820 L |
2315 | i386_operand_type g1, |
2316 | i386_operand_type t1) | |
2317 | { | |
bab6aec1 | 2318 | if (g0.bitfield.class != Reg |
3528c362 | 2319 | && g0.bitfield.class != RegSIMD |
10c17abd JB |
2320 | && (!operand_type_check (g0, anymem) |
2321 | || g0.bitfield.unspecified | |
5de4d9ef JB |
2322 | || (t0.bitfield.class != Reg |
2323 | && t0.bitfield.class != RegSIMD))) | |
40fb9820 L |
2324 | return 1; |
2325 | ||
bab6aec1 | 2326 | if (g1.bitfield.class != Reg |
3528c362 | 2327 | && g1.bitfield.class != RegSIMD |
10c17abd JB |
2328 | && (!operand_type_check (g1, anymem) |
2329 | || g1.bitfield.unspecified | |
5de4d9ef JB |
2330 | || (t1.bitfield.class != Reg |
2331 | && t1.bitfield.class != RegSIMD))) | |
40fb9820 L |
2332 | return 1; |
2333 | ||
dc821c5f JB |
2334 | if (g0.bitfield.byte == g1.bitfield.byte |
2335 | && g0.bitfield.word == g1.bitfield.word | |
2336 | && g0.bitfield.dword == g1.bitfield.dword | |
10c17abd JB |
2337 | && g0.bitfield.qword == g1.bitfield.qword |
2338 | && g0.bitfield.xmmword == g1.bitfield.xmmword | |
2339 | && g0.bitfield.ymmword == g1.bitfield.ymmword | |
2340 | && g0.bitfield.zmmword == g1.bitfield.zmmword) | |
40fb9820 L |
2341 | return 1; |
2342 | ||
dc821c5f JB |
2343 | if (!(t0.bitfield.byte & t1.bitfield.byte) |
2344 | && !(t0.bitfield.word & t1.bitfield.word) | |
2345 | && !(t0.bitfield.dword & t1.bitfield.dword) | |
10c17abd JB |
2346 | && !(t0.bitfield.qword & t1.bitfield.qword) |
2347 | && !(t0.bitfield.xmmword & t1.bitfield.xmmword) | |
2348 | && !(t0.bitfield.ymmword & t1.bitfield.ymmword) | |
2349 | && !(t0.bitfield.zmmword & t1.bitfield.zmmword)) | |
891edac4 L |
2350 | return 1; |
2351 | ||
a65babc9 | 2352 | i.error = register_type_mismatch; |
891edac4 L |
2353 | |
2354 | return 0; | |
40fb9820 L |
2355 | } |
2356 | ||
4c692bc7 JB |
2357 | static INLINE unsigned int |
2358 | register_number (const reg_entry *r) | |
2359 | { | |
2360 | unsigned int nr = r->reg_num; | |
2361 | ||
2362 | if (r->reg_flags & RegRex) | |
2363 | nr += 8; | |
2364 | ||
200cbe0f L |
2365 | if (r->reg_flags & RegVRex) |
2366 | nr += 16; | |
2367 | ||
4c692bc7 JB |
2368 | return nr; |
2369 | } | |
2370 | ||
252b5132 | 2371 | static INLINE unsigned int |
40fb9820 | 2372 | mode_from_disp_size (i386_operand_type t) |
252b5132 | 2373 | { |
b5014f7a | 2374 | if (t.bitfield.disp8) |
40fb9820 L |
2375 | return 1; |
2376 | else if (t.bitfield.disp16 | |
2377 | || t.bitfield.disp32 | |
2378 | || t.bitfield.disp32s) | |
2379 | return 2; | |
2380 | else | |
2381 | return 0; | |
252b5132 RH |
2382 | } |
2383 | ||
2384 | static INLINE int | |
65879393 | 2385 | fits_in_signed_byte (addressT num) |
252b5132 | 2386 | { |
65879393 | 2387 | return num + 0x80 <= 0xff; |
47926f60 | 2388 | } |
252b5132 RH |
2389 | |
2390 | static INLINE int | |
65879393 | 2391 | fits_in_unsigned_byte (addressT num) |
252b5132 | 2392 | { |
65879393 | 2393 | return num <= 0xff; |
47926f60 | 2394 | } |
252b5132 RH |
2395 | |
2396 | static INLINE int | |
65879393 | 2397 | fits_in_unsigned_word (addressT num) |
252b5132 | 2398 | { |
65879393 | 2399 | return num <= 0xffff; |
47926f60 | 2400 | } |
252b5132 RH |
2401 | |
2402 | static INLINE int | |
65879393 | 2403 | fits_in_signed_word (addressT num) |
252b5132 | 2404 | { |
65879393 | 2405 | return num + 0x8000 <= 0xffff; |
47926f60 | 2406 | } |
2a962e6d | 2407 | |
3e73aa7c | 2408 | static INLINE int |
65879393 | 2409 | fits_in_signed_long (addressT num ATTRIBUTE_UNUSED) |
3e73aa7c JH |
2410 | { |
2411 | #ifndef BFD64 | |
2412 | return 1; | |
2413 | #else | |
65879393 | 2414 | return num + 0x80000000 <= 0xffffffff; |
3e73aa7c JH |
2415 | #endif |
2416 | } /* fits_in_signed_long() */ | |
2a962e6d | 2417 | |
3e73aa7c | 2418 | static INLINE int |
65879393 | 2419 | fits_in_unsigned_long (addressT num ATTRIBUTE_UNUSED) |
3e73aa7c JH |
2420 | { |
2421 | #ifndef BFD64 | |
2422 | return 1; | |
2423 | #else | |
65879393 | 2424 | return num <= 0xffffffff; |
3e73aa7c JH |
2425 | #endif |
2426 | } /* fits_in_unsigned_long() */ | |
252b5132 | 2427 | |
43234a1e | 2428 | static INLINE int |
b5014f7a | 2429 | fits_in_disp8 (offsetT num) |
43234a1e L |
2430 | { |
2431 | int shift = i.memshift; | |
2432 | unsigned int mask; | |
2433 | ||
2434 | if (shift == -1) | |
2435 | abort (); | |
2436 | ||
2437 | mask = (1 << shift) - 1; | |
2438 | ||
2439 | /* Return 0 if NUM isn't properly aligned. */ | |
2440 | if ((num & mask)) | |
2441 | return 0; | |
2442 | ||
2443 | /* Check if NUM will fit in 8bit after shift. */ | |
2444 | return fits_in_signed_byte (num >> shift); | |
2445 | } | |
2446 | ||
a683cc34 SP |
2447 | static INLINE int |
2448 | fits_in_imm4 (offsetT num) | |
2449 | { | |
2450 | return (num & 0xf) == num; | |
2451 | } | |
2452 | ||
40fb9820 | 2453 | static i386_operand_type |
e3bb37b5 | 2454 | smallest_imm_type (offsetT num) |
252b5132 | 2455 | { |
40fb9820 | 2456 | i386_operand_type t; |
7ab9ffdd | 2457 | |
0dfbf9d7 | 2458 | operand_type_set (&t, 0); |
40fb9820 L |
2459 | t.bitfield.imm64 = 1; |
2460 | ||
2461 | if (cpu_arch_tune != PROCESSOR_I486 && num == 1) | |
e413e4e9 AM |
2462 | { |
2463 | /* This code is disabled on the 486 because all the Imm1 forms | |
2464 | in the opcode table are slower on the i486. They're the | |
2465 | versions with the implicitly specified single-position | |
2466 | displacement, which has another syntax if you really want to | |
2467 | use that form. */ | |
40fb9820 L |
2468 | t.bitfield.imm1 = 1; |
2469 | t.bitfield.imm8 = 1; | |
2470 | t.bitfield.imm8s = 1; | |
2471 | t.bitfield.imm16 = 1; | |
2472 | t.bitfield.imm32 = 1; | |
2473 | t.bitfield.imm32s = 1; | |
2474 | } | |
2475 | else if (fits_in_signed_byte (num)) | |
2476 | { | |
2477 | t.bitfield.imm8 = 1; | |
2478 | t.bitfield.imm8s = 1; | |
2479 | t.bitfield.imm16 = 1; | |
2480 | t.bitfield.imm32 = 1; | |
2481 | t.bitfield.imm32s = 1; | |
2482 | } | |
2483 | else if (fits_in_unsigned_byte (num)) | |
2484 | { | |
2485 | t.bitfield.imm8 = 1; | |
2486 | t.bitfield.imm16 = 1; | |
2487 | t.bitfield.imm32 = 1; | |
2488 | t.bitfield.imm32s = 1; | |
2489 | } | |
2490 | else if (fits_in_signed_word (num) || fits_in_unsigned_word (num)) | |
2491 | { | |
2492 | t.bitfield.imm16 = 1; | |
2493 | t.bitfield.imm32 = 1; | |
2494 | t.bitfield.imm32s = 1; | |
2495 | } | |
2496 | else if (fits_in_signed_long (num)) | |
2497 | { | |
2498 | t.bitfield.imm32 = 1; | |
2499 | t.bitfield.imm32s = 1; | |
2500 | } | |
2501 | else if (fits_in_unsigned_long (num)) | |
2502 | t.bitfield.imm32 = 1; | |
2503 | ||
2504 | return t; | |
47926f60 | 2505 | } |
252b5132 | 2506 | |
847f7ad4 | 2507 | static offsetT |
e3bb37b5 | 2508 | offset_in_range (offsetT val, int size) |
847f7ad4 | 2509 | { |
508866be | 2510 | addressT mask; |
ba2adb93 | 2511 | |
847f7ad4 AM |
2512 | switch (size) |
2513 | { | |
508866be L |
2514 | case 1: mask = ((addressT) 1 << 8) - 1; break; |
2515 | case 2: mask = ((addressT) 1 << 16) - 1; break; | |
3b0ec529 | 2516 | case 4: mask = ((addressT) 2 << 31) - 1; break; |
3e73aa7c JH |
2517 | #ifdef BFD64 |
2518 | case 8: mask = ((addressT) 2 << 63) - 1; break; | |
2519 | #endif | |
47926f60 | 2520 | default: abort (); |
847f7ad4 AM |
2521 | } |
2522 | ||
9de868bf L |
2523 | #ifdef BFD64 |
2524 | /* If BFD64, sign extend val for 32bit address mode. */ | |
2525 | if (flag_code != CODE_64BIT | |
2526 | || i.prefix[ADDR_PREFIX]) | |
3e73aa7c JH |
2527 | if ((val & ~(((addressT) 2 << 31) - 1)) == 0) |
2528 | val = (val ^ ((addressT) 1 << 31)) - ((addressT) 1 << 31); | |
fa289fb8 | 2529 | #endif |
ba2adb93 | 2530 | |
47926f60 | 2531 | if ((val & ~mask) != 0 && (val & ~mask) != ~mask) |
847f7ad4 AM |
2532 | { |
2533 | char buf1[40], buf2[40]; | |
2534 | ||
2535 | sprint_value (buf1, val); | |
2536 | sprint_value (buf2, val & mask); | |
2537 | as_warn (_("%s shortened to %s"), buf1, buf2); | |
2538 | } | |
2539 | return val & mask; | |
2540 | } | |
2541 | ||
c32fa91d L |
2542 | enum PREFIX_GROUP |
2543 | { | |
2544 | PREFIX_EXIST = 0, | |
2545 | PREFIX_LOCK, | |
2546 | PREFIX_REP, | |
04ef582a | 2547 | PREFIX_DS, |
c32fa91d L |
2548 | PREFIX_OTHER |
2549 | }; | |
2550 | ||
2551 | /* Returns | |
2552 | a. PREFIX_EXIST if attempting to add a prefix where one from the | |
2553 | same class already exists. | |
2554 | b. PREFIX_LOCK if lock prefix is added. | |
2555 | c. PREFIX_REP if rep/repne prefix is added. | |
04ef582a L |
2556 | d. PREFIX_DS if ds prefix is added. |
2557 | e. PREFIX_OTHER if other prefix is added. | |
c32fa91d L |
2558 | */ |
2559 | ||
2560 | static enum PREFIX_GROUP | |
e3bb37b5 | 2561 | add_prefix (unsigned int prefix) |
252b5132 | 2562 | { |
c32fa91d | 2563 | enum PREFIX_GROUP ret = PREFIX_OTHER; |
b1905489 | 2564 | unsigned int q; |
252b5132 | 2565 | |
29b0f896 AM |
2566 | if (prefix >= REX_OPCODE && prefix < REX_OPCODE + 16 |
2567 | && flag_code == CODE_64BIT) | |
b1905489 | 2568 | { |
161a04f6 | 2569 | if ((i.prefix[REX_PREFIX] & prefix & REX_W) |
44846f29 JB |
2570 | || (i.prefix[REX_PREFIX] & prefix & REX_R) |
2571 | || (i.prefix[REX_PREFIX] & prefix & REX_X) | |
2572 | || (i.prefix[REX_PREFIX] & prefix & REX_B)) | |
c32fa91d | 2573 | ret = PREFIX_EXIST; |
b1905489 JB |
2574 | q = REX_PREFIX; |
2575 | } | |
3e73aa7c | 2576 | else |
b1905489 JB |
2577 | { |
2578 | switch (prefix) | |
2579 | { | |
2580 | default: | |
2581 | abort (); | |
2582 | ||
b1905489 | 2583 | case DS_PREFIX_OPCODE: |
04ef582a L |
2584 | ret = PREFIX_DS; |
2585 | /* Fall through. */ | |
2586 | case CS_PREFIX_OPCODE: | |
b1905489 JB |
2587 | case ES_PREFIX_OPCODE: |
2588 | case FS_PREFIX_OPCODE: | |
2589 | case GS_PREFIX_OPCODE: | |
2590 | case SS_PREFIX_OPCODE: | |
2591 | q = SEG_PREFIX; | |
2592 | break; | |
2593 | ||
2594 | case REPNE_PREFIX_OPCODE: | |
2595 | case REPE_PREFIX_OPCODE: | |
c32fa91d L |
2596 | q = REP_PREFIX; |
2597 | ret = PREFIX_REP; | |
2598 | break; | |
2599 | ||
b1905489 | 2600 | case LOCK_PREFIX_OPCODE: |
c32fa91d L |
2601 | q = LOCK_PREFIX; |
2602 | ret = PREFIX_LOCK; | |
b1905489 JB |
2603 | break; |
2604 | ||
2605 | case FWAIT_OPCODE: | |
2606 | q = WAIT_PREFIX; | |
2607 | break; | |
2608 | ||
2609 | case ADDR_PREFIX_OPCODE: | |
2610 | q = ADDR_PREFIX; | |
2611 | break; | |
2612 | ||
2613 | case DATA_PREFIX_OPCODE: | |
2614 | q = DATA_PREFIX; | |
2615 | break; | |
2616 | } | |
2617 | if (i.prefix[q] != 0) | |
c32fa91d | 2618 | ret = PREFIX_EXIST; |
b1905489 | 2619 | } |
252b5132 | 2620 | |
b1905489 | 2621 | if (ret) |
252b5132 | 2622 | { |
b1905489 JB |
2623 | if (!i.prefix[q]) |
2624 | ++i.prefixes; | |
2625 | i.prefix[q] |= prefix; | |
252b5132 | 2626 | } |
b1905489 JB |
2627 | else |
2628 | as_bad (_("same type of prefix used twice")); | |
252b5132 | 2629 | |
252b5132 RH |
2630 | return ret; |
2631 | } | |
2632 | ||
2633 | static void | |
78f12dd3 | 2634 | update_code_flag (int value, int check) |
eecb386c | 2635 | { |
78f12dd3 L |
2636 | PRINTF_LIKE ((*as_error)); |
2637 | ||
1e9cc1c2 | 2638 | flag_code = (enum flag_code) value; |
40fb9820 L |
2639 | if (flag_code == CODE_64BIT) |
2640 | { | |
2641 | cpu_arch_flags.bitfield.cpu64 = 1; | |
2642 | cpu_arch_flags.bitfield.cpuno64 = 0; | |
40fb9820 L |
2643 | } |
2644 | else | |
2645 | { | |
2646 | cpu_arch_flags.bitfield.cpu64 = 0; | |
2647 | cpu_arch_flags.bitfield.cpuno64 = 1; | |
40fb9820 L |
2648 | } |
2649 | if (value == CODE_64BIT && !cpu_arch_flags.bitfield.cpulm ) | |
3e73aa7c | 2650 | { |
78f12dd3 L |
2651 | if (check) |
2652 | as_error = as_fatal; | |
2653 | else | |
2654 | as_error = as_bad; | |
2655 | (*as_error) (_("64bit mode not supported on `%s'."), | |
2656 | cpu_arch_name ? cpu_arch_name : default_arch); | |
3e73aa7c | 2657 | } |
40fb9820 | 2658 | if (value == CODE_32BIT && !cpu_arch_flags.bitfield.cpui386) |
3e73aa7c | 2659 | { |
78f12dd3 L |
2660 | if (check) |
2661 | as_error = as_fatal; | |
2662 | else | |
2663 | as_error = as_bad; | |
2664 | (*as_error) (_("32bit mode not supported on `%s'."), | |
2665 | cpu_arch_name ? cpu_arch_name : default_arch); | |
3e73aa7c | 2666 | } |
eecb386c AM |
2667 | stackop_size = '\0'; |
2668 | } | |
2669 | ||
78f12dd3 L |
2670 | static void |
2671 | set_code_flag (int value) | |
2672 | { | |
2673 | update_code_flag (value, 0); | |
2674 | } | |
2675 | ||
eecb386c | 2676 | static void |
e3bb37b5 | 2677 | set_16bit_gcc_code_flag (int new_code_flag) |
252b5132 | 2678 | { |
1e9cc1c2 | 2679 | flag_code = (enum flag_code) new_code_flag; |
40fb9820 L |
2680 | if (flag_code != CODE_16BIT) |
2681 | abort (); | |
2682 | cpu_arch_flags.bitfield.cpu64 = 0; | |
2683 | cpu_arch_flags.bitfield.cpuno64 = 1; | |
9306ca4a | 2684 | stackop_size = LONG_MNEM_SUFFIX; |
252b5132 RH |
2685 | } |
2686 | ||
2687 | static void | |
e3bb37b5 | 2688 | set_intel_syntax (int syntax_flag) |
252b5132 RH |
2689 | { |
2690 | /* Find out if register prefixing is specified. */ | |
2691 | int ask_naked_reg = 0; | |
2692 | ||
2693 | SKIP_WHITESPACE (); | |
29b0f896 | 2694 | if (!is_end_of_line[(unsigned char) *input_line_pointer]) |
252b5132 | 2695 | { |
d02603dc NC |
2696 | char *string; |
2697 | int e = get_symbol_name (&string); | |
252b5132 | 2698 | |
47926f60 | 2699 | if (strcmp (string, "prefix") == 0) |
252b5132 | 2700 | ask_naked_reg = 1; |
47926f60 | 2701 | else if (strcmp (string, "noprefix") == 0) |
252b5132 RH |
2702 | ask_naked_reg = -1; |
2703 | else | |
d0b47220 | 2704 | as_bad (_("bad argument to syntax directive.")); |
d02603dc | 2705 | (void) restore_line_pointer (e); |
252b5132 RH |
2706 | } |
2707 | demand_empty_rest_of_line (); | |
c3332e24 | 2708 | |
252b5132 RH |
2709 | intel_syntax = syntax_flag; |
2710 | ||
2711 | if (ask_naked_reg == 0) | |
f86103b7 AM |
2712 | allow_naked_reg = (intel_syntax |
2713 | && (bfd_get_symbol_leading_char (stdoutput) != '\0')); | |
252b5132 RH |
2714 | else |
2715 | allow_naked_reg = (ask_naked_reg < 0); | |
9306ca4a | 2716 | |
ee86248c | 2717 | expr_set_rank (O_full_ptr, syntax_flag ? 10 : 0); |
7ab9ffdd | 2718 | |
e4a3b5a4 | 2719 | identifier_chars['%'] = intel_syntax && allow_naked_reg ? '%' : 0; |
9306ca4a | 2720 | identifier_chars['$'] = intel_syntax ? '$' : 0; |
e4a3b5a4 | 2721 | register_prefix = allow_naked_reg ? "" : "%"; |
252b5132 RH |
2722 | } |
2723 | ||
1efbbeb4 L |
2724 | static void |
2725 | set_intel_mnemonic (int mnemonic_flag) | |
2726 | { | |
e1d4d893 | 2727 | intel_mnemonic = mnemonic_flag; |
1efbbeb4 L |
2728 | } |
2729 | ||
db51cc60 L |
2730 | static void |
2731 | set_allow_index_reg (int flag) | |
2732 | { | |
2733 | allow_index_reg = flag; | |
2734 | } | |
2735 | ||
cb19c032 | 2736 | static void |
7bab8ab5 | 2737 | set_check (int what) |
cb19c032 | 2738 | { |
7bab8ab5 JB |
2739 | enum check_kind *kind; |
2740 | const char *str; | |
2741 | ||
2742 | if (what) | |
2743 | { | |
2744 | kind = &operand_check; | |
2745 | str = "operand"; | |
2746 | } | |
2747 | else | |
2748 | { | |
2749 | kind = &sse_check; | |
2750 | str = "sse"; | |
2751 | } | |
2752 | ||
cb19c032 L |
2753 | SKIP_WHITESPACE (); |
2754 | ||
2755 | if (!is_end_of_line[(unsigned char) *input_line_pointer]) | |
2756 | { | |
d02603dc NC |
2757 | char *string; |
2758 | int e = get_symbol_name (&string); | |
cb19c032 L |
2759 | |
2760 | if (strcmp (string, "none") == 0) | |
7bab8ab5 | 2761 | *kind = check_none; |
cb19c032 | 2762 | else if (strcmp (string, "warning") == 0) |
7bab8ab5 | 2763 | *kind = check_warning; |
cb19c032 | 2764 | else if (strcmp (string, "error") == 0) |
7bab8ab5 | 2765 | *kind = check_error; |
cb19c032 | 2766 | else |
7bab8ab5 | 2767 | as_bad (_("bad argument to %s_check directive."), str); |
d02603dc | 2768 | (void) restore_line_pointer (e); |
cb19c032 L |
2769 | } |
2770 | else | |
7bab8ab5 | 2771 | as_bad (_("missing argument for %s_check directive"), str); |
cb19c032 L |
2772 | |
2773 | demand_empty_rest_of_line (); | |
2774 | } | |
2775 | ||
8a9036a4 L |
2776 | static void |
2777 | check_cpu_arch_compatible (const char *name ATTRIBUTE_UNUSED, | |
1e9cc1c2 | 2778 | i386_cpu_flags new_flag ATTRIBUTE_UNUSED) |
8a9036a4 L |
2779 | { |
2780 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
2781 | static const char *arch; | |
2782 | ||
2783 | /* Intel LIOM is only supported on ELF. */ | |
2784 | if (!IS_ELF) | |
2785 | return; | |
2786 | ||
2787 | if (!arch) | |
2788 | { | |
2789 | /* Use cpu_arch_name if it is set in md_parse_option. Otherwise | |
2790 | use default_arch. */ | |
2791 | arch = cpu_arch_name; | |
2792 | if (!arch) | |
2793 | arch = default_arch; | |
2794 | } | |
2795 | ||
81486035 L |
2796 | /* If we are targeting Intel MCU, we must enable it. */ |
2797 | if (get_elf_backend_data (stdoutput)->elf_machine_code != EM_IAMCU | |
2798 | || new_flag.bitfield.cpuiamcu) | |
2799 | return; | |
2800 | ||
3632d14b | 2801 | /* If we are targeting Intel L1OM, we must enable it. */ |
8a9036a4 | 2802 | if (get_elf_backend_data (stdoutput)->elf_machine_code != EM_L1OM |
1e9cc1c2 | 2803 | || new_flag.bitfield.cpul1om) |
8a9036a4 | 2804 | return; |
76ba9986 | 2805 | |
7a9068fe L |
2806 | /* If we are targeting Intel K1OM, we must enable it. */ |
2807 | if (get_elf_backend_data (stdoutput)->elf_machine_code != EM_K1OM | |
2808 | || new_flag.bitfield.cpuk1om) | |
2809 | return; | |
2810 | ||
8a9036a4 L |
2811 | as_bad (_("`%s' is not supported on `%s'"), name, arch); |
2812 | #endif | |
2813 | } | |
2814 | ||
e413e4e9 | 2815 | static void |
e3bb37b5 | 2816 | set_cpu_arch (int dummy ATTRIBUTE_UNUSED) |
e413e4e9 | 2817 | { |
47926f60 | 2818 | SKIP_WHITESPACE (); |
e413e4e9 | 2819 | |
29b0f896 | 2820 | if (!is_end_of_line[(unsigned char) *input_line_pointer]) |
e413e4e9 | 2821 | { |
d02603dc NC |
2822 | char *string; |
2823 | int e = get_symbol_name (&string); | |
91d6fa6a | 2824 | unsigned int j; |
40fb9820 | 2825 | i386_cpu_flags flags; |
e413e4e9 | 2826 | |
91d6fa6a | 2827 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) |
e413e4e9 | 2828 | { |
91d6fa6a | 2829 | if (strcmp (string, cpu_arch[j].name) == 0) |
e413e4e9 | 2830 | { |
91d6fa6a | 2831 | check_cpu_arch_compatible (string, cpu_arch[j].flags); |
8a9036a4 | 2832 | |
5c6af06e JB |
2833 | if (*string != '.') |
2834 | { | |
91d6fa6a | 2835 | cpu_arch_name = cpu_arch[j].name; |
5c6af06e | 2836 | cpu_sub_arch_name = NULL; |
91d6fa6a | 2837 | cpu_arch_flags = cpu_arch[j].flags; |
40fb9820 L |
2838 | if (flag_code == CODE_64BIT) |
2839 | { | |
2840 | cpu_arch_flags.bitfield.cpu64 = 1; | |
2841 | cpu_arch_flags.bitfield.cpuno64 = 0; | |
2842 | } | |
2843 | else | |
2844 | { | |
2845 | cpu_arch_flags.bitfield.cpu64 = 0; | |
2846 | cpu_arch_flags.bitfield.cpuno64 = 1; | |
2847 | } | |
91d6fa6a NC |
2848 | cpu_arch_isa = cpu_arch[j].type; |
2849 | cpu_arch_isa_flags = cpu_arch[j].flags; | |
ccc9c027 L |
2850 | if (!cpu_arch_tune_set) |
2851 | { | |
2852 | cpu_arch_tune = cpu_arch_isa; | |
2853 | cpu_arch_tune_flags = cpu_arch_isa_flags; | |
2854 | } | |
5c6af06e JB |
2855 | break; |
2856 | } | |
40fb9820 | 2857 | |
293f5f65 L |
2858 | flags = cpu_flags_or (cpu_arch_flags, |
2859 | cpu_arch[j].flags); | |
81486035 | 2860 | |
5b64d091 | 2861 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) |
5c6af06e | 2862 | { |
6305a203 L |
2863 | if (cpu_sub_arch_name) |
2864 | { | |
2865 | char *name = cpu_sub_arch_name; | |
2866 | cpu_sub_arch_name = concat (name, | |
91d6fa6a | 2867 | cpu_arch[j].name, |
1bf57e9f | 2868 | (const char *) NULL); |
6305a203 L |
2869 | free (name); |
2870 | } | |
2871 | else | |
91d6fa6a | 2872 | cpu_sub_arch_name = xstrdup (cpu_arch[j].name); |
40fb9820 | 2873 | cpu_arch_flags = flags; |
a586129e | 2874 | cpu_arch_isa_flags = flags; |
5c6af06e | 2875 | } |
0089dace L |
2876 | else |
2877 | cpu_arch_isa_flags | |
2878 | = cpu_flags_or (cpu_arch_isa_flags, | |
2879 | cpu_arch[j].flags); | |
d02603dc | 2880 | (void) restore_line_pointer (e); |
5c6af06e JB |
2881 | demand_empty_rest_of_line (); |
2882 | return; | |
e413e4e9 AM |
2883 | } |
2884 | } | |
293f5f65 L |
2885 | |
2886 | if (*string == '.' && j >= ARRAY_SIZE (cpu_arch)) | |
2887 | { | |
33eaf5de | 2888 | /* Disable an ISA extension. */ |
293f5f65 L |
2889 | for (j = 0; j < ARRAY_SIZE (cpu_noarch); j++) |
2890 | if (strcmp (string + 1, cpu_noarch [j].name) == 0) | |
2891 | { | |
2892 | flags = cpu_flags_and_not (cpu_arch_flags, | |
2893 | cpu_noarch[j].flags); | |
2894 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) | |
2895 | { | |
2896 | if (cpu_sub_arch_name) | |
2897 | { | |
2898 | char *name = cpu_sub_arch_name; | |
2899 | cpu_sub_arch_name = concat (name, string, | |
2900 | (const char *) NULL); | |
2901 | free (name); | |
2902 | } | |
2903 | else | |
2904 | cpu_sub_arch_name = xstrdup (string); | |
2905 | cpu_arch_flags = flags; | |
2906 | cpu_arch_isa_flags = flags; | |
2907 | } | |
2908 | (void) restore_line_pointer (e); | |
2909 | demand_empty_rest_of_line (); | |
2910 | return; | |
2911 | } | |
2912 | ||
2913 | j = ARRAY_SIZE (cpu_arch); | |
2914 | } | |
2915 | ||
91d6fa6a | 2916 | if (j >= ARRAY_SIZE (cpu_arch)) |
e413e4e9 AM |
2917 | as_bad (_("no such architecture: `%s'"), string); |
2918 | ||
2919 | *input_line_pointer = e; | |
2920 | } | |
2921 | else | |
2922 | as_bad (_("missing cpu architecture")); | |
2923 | ||
fddf5b5b AM |
2924 | no_cond_jump_promotion = 0; |
2925 | if (*input_line_pointer == ',' | |
29b0f896 | 2926 | && !is_end_of_line[(unsigned char) input_line_pointer[1]]) |
fddf5b5b | 2927 | { |
d02603dc NC |
2928 | char *string; |
2929 | char e; | |
2930 | ||
2931 | ++input_line_pointer; | |
2932 | e = get_symbol_name (&string); | |
fddf5b5b AM |
2933 | |
2934 | if (strcmp (string, "nojumps") == 0) | |
2935 | no_cond_jump_promotion = 1; | |
2936 | else if (strcmp (string, "jumps") == 0) | |
2937 | ; | |
2938 | else | |
2939 | as_bad (_("no such architecture modifier: `%s'"), string); | |
2940 | ||
d02603dc | 2941 | (void) restore_line_pointer (e); |
fddf5b5b AM |
2942 | } |
2943 | ||
e413e4e9 AM |
2944 | demand_empty_rest_of_line (); |
2945 | } | |
2946 | ||
8a9036a4 L |
2947 | enum bfd_architecture |
2948 | i386_arch (void) | |
2949 | { | |
3632d14b | 2950 | if (cpu_arch_isa == PROCESSOR_L1OM) |
8a9036a4 L |
2951 | { |
2952 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2953 | || flag_code != CODE_64BIT) | |
2954 | as_fatal (_("Intel L1OM is 64bit ELF only")); | |
2955 | return bfd_arch_l1om; | |
2956 | } | |
7a9068fe L |
2957 | else if (cpu_arch_isa == PROCESSOR_K1OM) |
2958 | { | |
2959 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2960 | || flag_code != CODE_64BIT) | |
2961 | as_fatal (_("Intel K1OM is 64bit ELF only")); | |
2962 | return bfd_arch_k1om; | |
2963 | } | |
81486035 L |
2964 | else if (cpu_arch_isa == PROCESSOR_IAMCU) |
2965 | { | |
2966 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2967 | || flag_code == CODE_64BIT) | |
2968 | as_fatal (_("Intel MCU is 32bit ELF only")); | |
2969 | return bfd_arch_iamcu; | |
2970 | } | |
8a9036a4 L |
2971 | else |
2972 | return bfd_arch_i386; | |
2973 | } | |
2974 | ||
b9d79e03 | 2975 | unsigned long |
7016a5d5 | 2976 | i386_mach (void) |
b9d79e03 | 2977 | { |
351f65ca | 2978 | if (!strncmp (default_arch, "x86_64", 6)) |
8a9036a4 | 2979 | { |
3632d14b | 2980 | if (cpu_arch_isa == PROCESSOR_L1OM) |
8a9036a4 | 2981 | { |
351f65ca L |
2982 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour |
2983 | || default_arch[6] != '\0') | |
8a9036a4 L |
2984 | as_fatal (_("Intel L1OM is 64bit ELF only")); |
2985 | return bfd_mach_l1om; | |
2986 | } | |
7a9068fe L |
2987 | else if (cpu_arch_isa == PROCESSOR_K1OM) |
2988 | { | |
2989 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour | |
2990 | || default_arch[6] != '\0') | |
2991 | as_fatal (_("Intel K1OM is 64bit ELF only")); | |
2992 | return bfd_mach_k1om; | |
2993 | } | |
351f65ca | 2994 | else if (default_arch[6] == '\0') |
8a9036a4 | 2995 | return bfd_mach_x86_64; |
351f65ca L |
2996 | else |
2997 | return bfd_mach_x64_32; | |
8a9036a4 | 2998 | } |
5197d474 L |
2999 | else if (!strcmp (default_arch, "i386") |
3000 | || !strcmp (default_arch, "iamcu")) | |
81486035 L |
3001 | { |
3002 | if (cpu_arch_isa == PROCESSOR_IAMCU) | |
3003 | { | |
3004 | if (OUTPUT_FLAVOR != bfd_target_elf_flavour) | |
3005 | as_fatal (_("Intel MCU is 32bit ELF only")); | |
3006 | return bfd_mach_i386_iamcu; | |
3007 | } | |
3008 | else | |
3009 | return bfd_mach_i386_i386; | |
3010 | } | |
b9d79e03 | 3011 | else |
2b5d6a91 | 3012 | as_fatal (_("unknown architecture")); |
b9d79e03 | 3013 | } |
b9d79e03 | 3014 | \f |
252b5132 | 3015 | void |
7016a5d5 | 3016 | md_begin (void) |
252b5132 RH |
3017 | { |
3018 | const char *hash_err; | |
3019 | ||
86fa6981 L |
3020 | /* Support pseudo prefixes like {disp32}. */ |
3021 | lex_type ['{'] = LEX_BEGIN_NAME; | |
3022 | ||
47926f60 | 3023 | /* Initialize op_hash hash table. */ |
252b5132 RH |
3024 | op_hash = hash_new (); |
3025 | ||
3026 | { | |
d3ce72d0 | 3027 | const insn_template *optab; |
29b0f896 | 3028 | templates *core_optab; |
252b5132 | 3029 | |
47926f60 KH |
3030 | /* Setup for loop. */ |
3031 | optab = i386_optab; | |
add39d23 | 3032 | core_optab = XNEW (templates); |
252b5132 RH |
3033 | core_optab->start = optab; |
3034 | ||
3035 | while (1) | |
3036 | { | |
3037 | ++optab; | |
3038 | if (optab->name == NULL | |
3039 | || strcmp (optab->name, (optab - 1)->name) != 0) | |
3040 | { | |
3041 | /* different name --> ship out current template list; | |
47926f60 | 3042 | add to hash table; & begin anew. */ |
252b5132 RH |
3043 | core_optab->end = optab; |
3044 | hash_err = hash_insert (op_hash, | |
3045 | (optab - 1)->name, | |
5a49b8ac | 3046 | (void *) core_optab); |
252b5132 RH |
3047 | if (hash_err) |
3048 | { | |
b37df7c4 | 3049 | as_fatal (_("can't hash %s: %s"), |
252b5132 RH |
3050 | (optab - 1)->name, |
3051 | hash_err); | |
3052 | } | |
3053 | if (optab->name == NULL) | |
3054 | break; | |
add39d23 | 3055 | core_optab = XNEW (templates); |
252b5132 RH |
3056 | core_optab->start = optab; |
3057 | } | |
3058 | } | |
3059 | } | |
3060 | ||
47926f60 | 3061 | /* Initialize reg_hash hash table. */ |
252b5132 RH |
3062 | reg_hash = hash_new (); |
3063 | { | |
29b0f896 | 3064 | const reg_entry *regtab; |
c3fe08fa | 3065 | unsigned int regtab_size = i386_regtab_size; |
252b5132 | 3066 | |
c3fe08fa | 3067 | for (regtab = i386_regtab; regtab_size--; regtab++) |
252b5132 | 3068 | { |
5a49b8ac | 3069 | hash_err = hash_insert (reg_hash, regtab->reg_name, (void *) regtab); |
252b5132 | 3070 | if (hash_err) |
b37df7c4 | 3071 | as_fatal (_("can't hash %s: %s"), |
3e73aa7c JH |
3072 | regtab->reg_name, |
3073 | hash_err); | |
252b5132 RH |
3074 | } |
3075 | } | |
3076 | ||
47926f60 | 3077 | /* Fill in lexical tables: mnemonic_chars, operand_chars. */ |
252b5132 | 3078 | { |
29b0f896 AM |
3079 | int c; |
3080 | char *p; | |
252b5132 RH |
3081 | |
3082 | for (c = 0; c < 256; c++) | |
3083 | { | |
3882b010 | 3084 | if (ISDIGIT (c)) |
252b5132 RH |
3085 | { |
3086 | digit_chars[c] = c; | |
3087 | mnemonic_chars[c] = c; | |
3088 | register_chars[c] = c; | |
3089 | operand_chars[c] = c; | |
3090 | } | |
3882b010 | 3091 | else if (ISLOWER (c)) |
252b5132 RH |
3092 | { |
3093 | mnemonic_chars[c] = c; | |
3094 | register_chars[c] = c; | |
3095 | operand_chars[c] = c; | |
3096 | } | |
3882b010 | 3097 | else if (ISUPPER (c)) |
252b5132 | 3098 | { |
3882b010 | 3099 | mnemonic_chars[c] = TOLOWER (c); |
252b5132 RH |
3100 | register_chars[c] = mnemonic_chars[c]; |
3101 | operand_chars[c] = c; | |
3102 | } | |
43234a1e | 3103 | else if (c == '{' || c == '}') |
86fa6981 L |
3104 | { |
3105 | mnemonic_chars[c] = c; | |
3106 | operand_chars[c] = c; | |
3107 | } | |
252b5132 | 3108 | |
3882b010 | 3109 | if (ISALPHA (c) || ISDIGIT (c)) |
252b5132 RH |
3110 | identifier_chars[c] = c; |
3111 | else if (c >= 128) | |
3112 | { | |
3113 | identifier_chars[c] = c; | |
3114 | operand_chars[c] = c; | |
3115 | } | |
3116 | } | |
3117 | ||
3118 | #ifdef LEX_AT | |
3119 | identifier_chars['@'] = '@'; | |
32137342 NC |
3120 | #endif |
3121 | #ifdef LEX_QM | |
3122 | identifier_chars['?'] = '?'; | |
3123 | operand_chars['?'] = '?'; | |
252b5132 | 3124 | #endif |
252b5132 | 3125 | digit_chars['-'] = '-'; |
c0f3af97 | 3126 | mnemonic_chars['_'] = '_'; |
791fe849 | 3127 | mnemonic_chars['-'] = '-'; |
0003779b | 3128 | mnemonic_chars['.'] = '.'; |
252b5132 RH |
3129 | identifier_chars['_'] = '_'; |
3130 | identifier_chars['.'] = '.'; | |
3131 | ||
3132 | for (p = operand_special_chars; *p != '\0'; p++) | |
3133 | operand_chars[(unsigned char) *p] = *p; | |
3134 | } | |
3135 | ||
a4447b93 RH |
3136 | if (flag_code == CODE_64BIT) |
3137 | { | |
ca19b261 KT |
3138 | #if defined (OBJ_COFF) && defined (TE_PE) |
3139 | x86_dwarf2_return_column = (OUTPUT_FLAVOR == bfd_target_coff_flavour | |
3140 | ? 32 : 16); | |
3141 | #else | |
a4447b93 | 3142 | x86_dwarf2_return_column = 16; |
ca19b261 | 3143 | #endif |
61ff971f | 3144 | x86_cie_data_alignment = -8; |
a4447b93 RH |
3145 | } |
3146 | else | |
3147 | { | |
3148 | x86_dwarf2_return_column = 8; | |
3149 | x86_cie_data_alignment = -4; | |
3150 | } | |
e379e5f3 L |
3151 | |
3152 | /* NB: FUSED_JCC_PADDING frag must have sufficient room so that it | |
3153 | can be turned into BRANCH_PREFIX frag. */ | |
3154 | if (align_branch_prefix_size > MAX_FUSED_JCC_PADDING_SIZE) | |
3155 | abort (); | |
252b5132 RH |
3156 | } |
3157 | ||
3158 | void | |
e3bb37b5 | 3159 | i386_print_statistics (FILE *file) |
252b5132 RH |
3160 | { |
3161 | hash_print_statistics (file, "i386 opcode", op_hash); | |
3162 | hash_print_statistics (file, "i386 register", reg_hash); | |
3163 | } | |
3164 | \f | |
252b5132 RH |
3165 | #ifdef DEBUG386 |
3166 | ||
ce8a8b2f | 3167 | /* Debugging routines for md_assemble. */ |
d3ce72d0 | 3168 | static void pte (insn_template *); |
40fb9820 | 3169 | static void pt (i386_operand_type); |
e3bb37b5 L |
3170 | static void pe (expressionS *); |
3171 | static void ps (symbolS *); | |
252b5132 RH |
3172 | |
3173 | static void | |
2c703856 | 3174 | pi (const char *line, i386_insn *x) |
252b5132 | 3175 | { |
09137c09 | 3176 | unsigned int j; |
252b5132 RH |
3177 | |
3178 | fprintf (stdout, "%s: template ", line); | |
3179 | pte (&x->tm); | |
09f131f2 JH |
3180 | fprintf (stdout, " address: base %s index %s scale %x\n", |
3181 | x->base_reg ? x->base_reg->reg_name : "none", | |
3182 | x->index_reg ? x->index_reg->reg_name : "none", | |
3183 | x->log2_scale_factor); | |
3184 | fprintf (stdout, " modrm: mode %x reg %x reg/mem %x\n", | |
252b5132 | 3185 | x->rm.mode, x->rm.reg, x->rm.regmem); |
09f131f2 JH |
3186 | fprintf (stdout, " sib: base %x index %x scale %x\n", |
3187 | x->sib.base, x->sib.index, x->sib.scale); | |
3188 | fprintf (stdout, " rex: 64bit %x extX %x extY %x extZ %x\n", | |
161a04f6 L |
3189 | (x->rex & REX_W) != 0, |
3190 | (x->rex & REX_R) != 0, | |
3191 | (x->rex & REX_X) != 0, | |
3192 | (x->rex & REX_B) != 0); | |
09137c09 | 3193 | for (j = 0; j < x->operands; j++) |
252b5132 | 3194 | { |
09137c09 SP |
3195 | fprintf (stdout, " #%d: ", j + 1); |
3196 | pt (x->types[j]); | |
252b5132 | 3197 | fprintf (stdout, "\n"); |
bab6aec1 | 3198 | if (x->types[j].bitfield.class == Reg |
3528c362 JB |
3199 | || x->types[j].bitfield.class == RegMMX |
3200 | || x->types[j].bitfield.class == RegSIMD | |
00cee14f | 3201 | || x->types[j].bitfield.class == SReg |
4a5c67ed JB |
3202 | || x->types[j].bitfield.class == RegCR |
3203 | || x->types[j].bitfield.class == RegDR | |
3204 | || x->types[j].bitfield.class == RegTR) | |
09137c09 SP |
3205 | fprintf (stdout, "%s\n", x->op[j].regs->reg_name); |
3206 | if (operand_type_check (x->types[j], imm)) | |
3207 | pe (x->op[j].imms); | |
3208 | if (operand_type_check (x->types[j], disp)) | |
3209 | pe (x->op[j].disps); | |
252b5132 RH |
3210 | } |
3211 | } | |
3212 | ||
3213 | static void | |
d3ce72d0 | 3214 | pte (insn_template *t) |
252b5132 | 3215 | { |
09137c09 | 3216 | unsigned int j; |
252b5132 | 3217 | fprintf (stdout, " %d operands ", t->operands); |
47926f60 | 3218 | fprintf (stdout, "opcode %x ", t->base_opcode); |
252b5132 RH |
3219 | if (t->extension_opcode != None) |
3220 | fprintf (stdout, "ext %x ", t->extension_opcode); | |
40fb9820 | 3221 | if (t->opcode_modifier.d) |
252b5132 | 3222 | fprintf (stdout, "D"); |
40fb9820 | 3223 | if (t->opcode_modifier.w) |
252b5132 RH |
3224 | fprintf (stdout, "W"); |
3225 | fprintf (stdout, "\n"); | |
09137c09 | 3226 | for (j = 0; j < t->operands; j++) |
252b5132 | 3227 | { |
09137c09 SP |
3228 | fprintf (stdout, " #%d type ", j + 1); |
3229 | pt (t->operand_types[j]); | |
252b5132 RH |
3230 | fprintf (stdout, "\n"); |
3231 | } | |
3232 | } | |
3233 | ||
3234 | static void | |
e3bb37b5 | 3235 | pe (expressionS *e) |
252b5132 | 3236 | { |
24eab124 | 3237 | fprintf (stdout, " operation %d\n", e->X_op); |
b77ad1d4 AM |
3238 | fprintf (stdout, " add_number %ld (%lx)\n", |
3239 | (long) e->X_add_number, (long) e->X_add_number); | |
252b5132 RH |
3240 | if (e->X_add_symbol) |
3241 | { | |
3242 | fprintf (stdout, " add_symbol "); | |
3243 | ps (e->X_add_symbol); | |
3244 | fprintf (stdout, "\n"); | |
3245 | } | |
3246 | if (e->X_op_symbol) | |
3247 | { | |
3248 | fprintf (stdout, " op_symbol "); | |
3249 | ps (e->X_op_symbol); | |
3250 | fprintf (stdout, "\n"); | |
3251 | } | |
3252 | } | |
3253 | ||
3254 | static void | |
e3bb37b5 | 3255 | ps (symbolS *s) |
252b5132 RH |
3256 | { |
3257 | fprintf (stdout, "%s type %s%s", | |
3258 | S_GET_NAME (s), | |
3259 | S_IS_EXTERNAL (s) ? "EXTERNAL " : "", | |
3260 | segment_name (S_GET_SEGMENT (s))); | |
3261 | } | |
3262 | ||
7b81dfbb | 3263 | static struct type_name |
252b5132 | 3264 | { |
40fb9820 L |
3265 | i386_operand_type mask; |
3266 | const char *name; | |
252b5132 | 3267 | } |
7b81dfbb | 3268 | const type_names[] = |
252b5132 | 3269 | { |
40fb9820 L |
3270 | { OPERAND_TYPE_REG8, "r8" }, |
3271 | { OPERAND_TYPE_REG16, "r16" }, | |
3272 | { OPERAND_TYPE_REG32, "r32" }, | |
3273 | { OPERAND_TYPE_REG64, "r64" }, | |
2c703856 JB |
3274 | { OPERAND_TYPE_ACC8, "acc8" }, |
3275 | { OPERAND_TYPE_ACC16, "acc16" }, | |
3276 | { OPERAND_TYPE_ACC32, "acc32" }, | |
3277 | { OPERAND_TYPE_ACC64, "acc64" }, | |
40fb9820 L |
3278 | { OPERAND_TYPE_IMM8, "i8" }, |
3279 | { OPERAND_TYPE_IMM8, "i8s" }, | |
3280 | { OPERAND_TYPE_IMM16, "i16" }, | |
3281 | { OPERAND_TYPE_IMM32, "i32" }, | |
3282 | { OPERAND_TYPE_IMM32S, "i32s" }, | |
3283 | { OPERAND_TYPE_IMM64, "i64" }, | |
3284 | { OPERAND_TYPE_IMM1, "i1" }, | |
3285 | { OPERAND_TYPE_BASEINDEX, "BaseIndex" }, | |
3286 | { OPERAND_TYPE_DISP8, "d8" }, | |
3287 | { OPERAND_TYPE_DISP16, "d16" }, | |
3288 | { OPERAND_TYPE_DISP32, "d32" }, | |
3289 | { OPERAND_TYPE_DISP32S, "d32s" }, | |
3290 | { OPERAND_TYPE_DISP64, "d64" }, | |
3291 | { OPERAND_TYPE_INOUTPORTREG, "InOutPortReg" }, | |
3292 | { OPERAND_TYPE_SHIFTCOUNT, "ShiftCount" }, | |
3293 | { OPERAND_TYPE_CONTROL, "control reg" }, | |
3294 | { OPERAND_TYPE_TEST, "test reg" }, | |
3295 | { OPERAND_TYPE_DEBUG, "debug reg" }, | |
3296 | { OPERAND_TYPE_FLOATREG, "FReg" }, | |
3297 | { OPERAND_TYPE_FLOATACC, "FAcc" }, | |
21df382b | 3298 | { OPERAND_TYPE_SREG, "SReg" }, |
40fb9820 L |
3299 | { OPERAND_TYPE_REGMMX, "rMMX" }, |
3300 | { OPERAND_TYPE_REGXMM, "rXMM" }, | |
0349dc08 | 3301 | { OPERAND_TYPE_REGYMM, "rYMM" }, |
43234a1e L |
3302 | { OPERAND_TYPE_REGZMM, "rZMM" }, |
3303 | { OPERAND_TYPE_REGMASK, "Mask reg" }, | |
252b5132 RH |
3304 | }; |
3305 | ||
3306 | static void | |
40fb9820 | 3307 | pt (i386_operand_type t) |
252b5132 | 3308 | { |
40fb9820 | 3309 | unsigned int j; |
c6fb90c8 | 3310 | i386_operand_type a; |
252b5132 | 3311 | |
40fb9820 | 3312 | for (j = 0; j < ARRAY_SIZE (type_names); j++) |
c6fb90c8 L |
3313 | { |
3314 | a = operand_type_and (t, type_names[j].mask); | |
2c703856 | 3315 | if (operand_type_equal (&a, &type_names[j].mask)) |
c6fb90c8 L |
3316 | fprintf (stdout, "%s, ", type_names[j].name); |
3317 | } | |
252b5132 RH |
3318 | fflush (stdout); |
3319 | } | |
3320 | ||
3321 | #endif /* DEBUG386 */ | |
3322 | \f | |
252b5132 | 3323 | static bfd_reloc_code_real_type |
3956db08 | 3324 | reloc (unsigned int size, |
64e74474 AM |
3325 | int pcrel, |
3326 | int sign, | |
3327 | bfd_reloc_code_real_type other) | |
252b5132 | 3328 | { |
47926f60 | 3329 | if (other != NO_RELOC) |
3956db08 | 3330 | { |
91d6fa6a | 3331 | reloc_howto_type *rel; |
3956db08 JB |
3332 | |
3333 | if (size == 8) | |
3334 | switch (other) | |
3335 | { | |
64e74474 AM |
3336 | case BFD_RELOC_X86_64_GOT32: |
3337 | return BFD_RELOC_X86_64_GOT64; | |
3338 | break; | |
553d1284 L |
3339 | case BFD_RELOC_X86_64_GOTPLT64: |
3340 | return BFD_RELOC_X86_64_GOTPLT64; | |
3341 | break; | |
64e74474 AM |
3342 | case BFD_RELOC_X86_64_PLTOFF64: |
3343 | return BFD_RELOC_X86_64_PLTOFF64; | |
3344 | break; | |
3345 | case BFD_RELOC_X86_64_GOTPC32: | |
3346 | other = BFD_RELOC_X86_64_GOTPC64; | |
3347 | break; | |
3348 | case BFD_RELOC_X86_64_GOTPCREL: | |
3349 | other = BFD_RELOC_X86_64_GOTPCREL64; | |
3350 | break; | |
3351 | case BFD_RELOC_X86_64_TPOFF32: | |
3352 | other = BFD_RELOC_X86_64_TPOFF64; | |
3353 | break; | |
3354 | case BFD_RELOC_X86_64_DTPOFF32: | |
3355 | other = BFD_RELOC_X86_64_DTPOFF64; | |
3356 | break; | |
3357 | default: | |
3358 | break; | |
3956db08 | 3359 | } |
e05278af | 3360 | |
8ce3d284 | 3361 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8fd4256d L |
3362 | if (other == BFD_RELOC_SIZE32) |
3363 | { | |
3364 | if (size == 8) | |
1ab668bf | 3365 | other = BFD_RELOC_SIZE64; |
8fd4256d | 3366 | if (pcrel) |
1ab668bf AM |
3367 | { |
3368 | as_bad (_("there are no pc-relative size relocations")); | |
3369 | return NO_RELOC; | |
3370 | } | |
8fd4256d | 3371 | } |
8ce3d284 | 3372 | #endif |
8fd4256d | 3373 | |
e05278af | 3374 | /* Sign-checking 4-byte relocations in 16-/32-bit code is pointless. */ |
f2d8a97c | 3375 | if (size == 4 && (flag_code != CODE_64BIT || disallow_64bit_reloc)) |
e05278af JB |
3376 | sign = -1; |
3377 | ||
91d6fa6a NC |
3378 | rel = bfd_reloc_type_lookup (stdoutput, other); |
3379 | if (!rel) | |
3956db08 | 3380 | as_bad (_("unknown relocation (%u)"), other); |
91d6fa6a | 3381 | else if (size != bfd_get_reloc_size (rel)) |
3956db08 | 3382 | as_bad (_("%u-byte relocation cannot be applied to %u-byte field"), |
91d6fa6a | 3383 | bfd_get_reloc_size (rel), |
3956db08 | 3384 | size); |
91d6fa6a | 3385 | else if (pcrel && !rel->pc_relative) |
3956db08 | 3386 | as_bad (_("non-pc-relative relocation for pc-relative field")); |
91d6fa6a | 3387 | else if ((rel->complain_on_overflow == complain_overflow_signed |
3956db08 | 3388 | && !sign) |
91d6fa6a | 3389 | || (rel->complain_on_overflow == complain_overflow_unsigned |
64e74474 | 3390 | && sign > 0)) |
3956db08 JB |
3391 | as_bad (_("relocated field and relocation type differ in signedness")); |
3392 | else | |
3393 | return other; | |
3394 | return NO_RELOC; | |
3395 | } | |
252b5132 RH |
3396 | |
3397 | if (pcrel) | |
3398 | { | |
3e73aa7c | 3399 | if (!sign) |
3956db08 | 3400 | as_bad (_("there are no unsigned pc-relative relocations")); |
252b5132 RH |
3401 | switch (size) |
3402 | { | |
3403 | case 1: return BFD_RELOC_8_PCREL; | |
3404 | case 2: return BFD_RELOC_16_PCREL; | |
d258b828 | 3405 | case 4: return BFD_RELOC_32_PCREL; |
d6ab8113 | 3406 | case 8: return BFD_RELOC_64_PCREL; |
252b5132 | 3407 | } |
3956db08 | 3408 | as_bad (_("cannot do %u byte pc-relative relocation"), size); |
252b5132 RH |
3409 | } |
3410 | else | |
3411 | { | |
3956db08 | 3412 | if (sign > 0) |
e5cb08ac | 3413 | switch (size) |
3e73aa7c JH |
3414 | { |
3415 | case 4: return BFD_RELOC_X86_64_32S; | |
3416 | } | |
3417 | else | |
3418 | switch (size) | |
3419 | { | |
3420 | case 1: return BFD_RELOC_8; | |
3421 | case 2: return BFD_RELOC_16; | |
3422 | case 4: return BFD_RELOC_32; | |
3423 | case 8: return BFD_RELOC_64; | |
3424 | } | |
3956db08 JB |
3425 | as_bad (_("cannot do %s %u byte relocation"), |
3426 | sign > 0 ? "signed" : "unsigned", size); | |
252b5132 RH |
3427 | } |
3428 | ||
0cc9e1d3 | 3429 | return NO_RELOC; |
252b5132 RH |
3430 | } |
3431 | ||
47926f60 KH |
3432 | /* Here we decide which fixups can be adjusted to make them relative to |
3433 | the beginning of the section instead of the symbol. Basically we need | |
3434 | to make sure that the dynamic relocations are done correctly, so in | |
3435 | some cases we force the original symbol to be used. */ | |
3436 | ||
252b5132 | 3437 | int |
e3bb37b5 | 3438 | tc_i386_fix_adjustable (fixS *fixP ATTRIBUTE_UNUSED) |
252b5132 | 3439 | { |
6d249963 | 3440 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
718ddfc0 | 3441 | if (!IS_ELF) |
31312f95 AM |
3442 | return 1; |
3443 | ||
a161fe53 AM |
3444 | /* Don't adjust pc-relative references to merge sections in 64-bit |
3445 | mode. */ | |
3446 | if (use_rela_relocations | |
3447 | && (S_GET_SEGMENT (fixP->fx_addsy)->flags & SEC_MERGE) != 0 | |
3448 | && fixP->fx_pcrel) | |
252b5132 | 3449 | return 0; |
31312f95 | 3450 | |
8d01d9a9 AJ |
3451 | /* The x86_64 GOTPCREL are represented as 32bit PCrel relocations |
3452 | and changed later by validate_fix. */ | |
3453 | if (GOT_symbol && fixP->fx_subsy == GOT_symbol | |
3454 | && fixP->fx_r_type == BFD_RELOC_32_PCREL) | |
3455 | return 0; | |
3456 | ||
8fd4256d L |
3457 | /* Adjust_reloc_syms doesn't know about the GOT. Need to keep symbol |
3458 | for size relocations. */ | |
3459 | if (fixP->fx_r_type == BFD_RELOC_SIZE32 | |
3460 | || fixP->fx_r_type == BFD_RELOC_SIZE64 | |
3461 | || fixP->fx_r_type == BFD_RELOC_386_GOTOFF | |
252b5132 | 3462 | || fixP->fx_r_type == BFD_RELOC_386_GOT32 |
02a86693 | 3463 | || fixP->fx_r_type == BFD_RELOC_386_GOT32X |
13ae64f3 JJ |
3464 | || fixP->fx_r_type == BFD_RELOC_386_TLS_GD |
3465 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LDM | |
3466 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LDO_32 | |
3467 | || fixP->fx_r_type == BFD_RELOC_386_TLS_IE_32 | |
37e55690 JJ |
3468 | || fixP->fx_r_type == BFD_RELOC_386_TLS_IE |
3469 | || fixP->fx_r_type == BFD_RELOC_386_TLS_GOTIE | |
13ae64f3 JJ |
3470 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LE_32 |
3471 | || fixP->fx_r_type == BFD_RELOC_386_TLS_LE | |
67a4f2b7 AO |
3472 | || fixP->fx_r_type == BFD_RELOC_386_TLS_GOTDESC |
3473 | || fixP->fx_r_type == BFD_RELOC_386_TLS_DESC_CALL | |
3e73aa7c | 3474 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOT32 |
80b3ee89 | 3475 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTPCREL |
56ceb5b5 L |
3476 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTPCRELX |
3477 | || fixP->fx_r_type == BFD_RELOC_X86_64_REX_GOTPCRELX | |
bffbf940 JJ |
3478 | || fixP->fx_r_type == BFD_RELOC_X86_64_TLSGD |
3479 | || fixP->fx_r_type == BFD_RELOC_X86_64_TLSLD | |
3480 | || fixP->fx_r_type == BFD_RELOC_X86_64_DTPOFF32 | |
d6ab8113 | 3481 | || fixP->fx_r_type == BFD_RELOC_X86_64_DTPOFF64 |
bffbf940 JJ |
3482 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTTPOFF |
3483 | || fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF32 | |
d6ab8113 JB |
3484 | || fixP->fx_r_type == BFD_RELOC_X86_64_TPOFF64 |
3485 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTOFF64 | |
67a4f2b7 AO |
3486 | || fixP->fx_r_type == BFD_RELOC_X86_64_GOTPC32_TLSDESC |
3487 | || fixP->fx_r_type == BFD_RELOC_X86_64_TLSDESC_CALL | |
252b5132 RH |
3488 | || fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
3489 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
3490 | return 0; | |
31312f95 | 3491 | #endif |
252b5132 RH |
3492 | return 1; |
3493 | } | |
252b5132 | 3494 | |
b4cac588 | 3495 | static int |
e3bb37b5 | 3496 | intel_float_operand (const char *mnemonic) |
252b5132 | 3497 | { |
9306ca4a JB |
3498 | /* Note that the value returned is meaningful only for opcodes with (memory) |
3499 | operands, hence the code here is free to improperly handle opcodes that | |
3500 | have no operands (for better performance and smaller code). */ | |
3501 | ||
3502 | if (mnemonic[0] != 'f') | |
3503 | return 0; /* non-math */ | |
3504 | ||
3505 | switch (mnemonic[1]) | |
3506 | { | |
3507 | /* fclex, fdecstp, fdisi, femms, feni, fincstp, finit, fsetpm, and | |
3508 | the fs segment override prefix not currently handled because no | |
3509 | call path can make opcodes without operands get here */ | |
3510 | case 'i': | |
3511 | return 2 /* integer op */; | |
3512 | case 'l': | |
3513 | if (mnemonic[2] == 'd' && (mnemonic[3] == 'c' || mnemonic[3] == 'e')) | |
3514 | return 3; /* fldcw/fldenv */ | |
3515 | break; | |
3516 | case 'n': | |
3517 | if (mnemonic[2] != 'o' /* fnop */) | |
3518 | return 3; /* non-waiting control op */ | |
3519 | break; | |
3520 | case 'r': | |
3521 | if (mnemonic[2] == 's') | |
3522 | return 3; /* frstor/frstpm */ | |
3523 | break; | |
3524 | case 's': | |
3525 | if (mnemonic[2] == 'a') | |
3526 | return 3; /* fsave */ | |
3527 | if (mnemonic[2] == 't') | |
3528 | { | |
3529 | switch (mnemonic[3]) | |
3530 | { | |
3531 | case 'c': /* fstcw */ | |
3532 | case 'd': /* fstdw */ | |
3533 | case 'e': /* fstenv */ | |
3534 | case 's': /* fsts[gw] */ | |
3535 | return 3; | |
3536 | } | |
3537 | } | |
3538 | break; | |
3539 | case 'x': | |
3540 | if (mnemonic[2] == 'r' || mnemonic[2] == 's') | |
3541 | return 0; /* fxsave/fxrstor are not really math ops */ | |
3542 | break; | |
3543 | } | |
252b5132 | 3544 | |
9306ca4a | 3545 | return 1; |
252b5132 RH |
3546 | } |
3547 | ||
c0f3af97 L |
3548 | /* Build the VEX prefix. */ |
3549 | ||
3550 | static void | |
d3ce72d0 | 3551 | build_vex_prefix (const insn_template *t) |
c0f3af97 L |
3552 | { |
3553 | unsigned int register_specifier; | |
3554 | unsigned int implied_prefix; | |
3555 | unsigned int vector_length; | |
03751133 | 3556 | unsigned int w; |
c0f3af97 L |
3557 | |
3558 | /* Check register specifier. */ | |
3559 | if (i.vex.register_specifier) | |
43234a1e L |
3560 | { |
3561 | register_specifier = | |
3562 | ~register_number (i.vex.register_specifier) & 0xf; | |
3563 | gas_assert ((i.vex.register_specifier->reg_flags & RegVRex) == 0); | |
3564 | } | |
c0f3af97 L |
3565 | else |
3566 | register_specifier = 0xf; | |
3567 | ||
79f0fa25 L |
3568 | /* Use 2-byte VEX prefix by swapping destination and source operand |
3569 | if there are more than 1 register operand. */ | |
3570 | if (i.reg_operands > 1 | |
3571 | && i.vec_encoding != vex_encoding_vex3 | |
86fa6981 | 3572 | && i.dir_encoding == dir_encoding_default |
fa99fab2 | 3573 | && i.operands == i.reg_operands |
dbbc8b7e | 3574 | && operand_type_equal (&i.types[0], &i.types[i.operands - 1]) |
7f399153 | 3575 | && i.tm.opcode_modifier.vexopcode == VEX0F |
dbbc8b7e | 3576 | && (i.tm.opcode_modifier.load || i.tm.opcode_modifier.d) |
fa99fab2 L |
3577 | && i.rex == REX_B) |
3578 | { | |
3579 | unsigned int xchg = i.operands - 1; | |
3580 | union i386_op temp_op; | |
3581 | i386_operand_type temp_type; | |
3582 | ||
3583 | temp_type = i.types[xchg]; | |
3584 | i.types[xchg] = i.types[0]; | |
3585 | i.types[0] = temp_type; | |
3586 | temp_op = i.op[xchg]; | |
3587 | i.op[xchg] = i.op[0]; | |
3588 | i.op[0] = temp_op; | |
3589 | ||
9c2799c2 | 3590 | gas_assert (i.rm.mode == 3); |
fa99fab2 L |
3591 | |
3592 | i.rex = REX_R; | |
3593 | xchg = i.rm.regmem; | |
3594 | i.rm.regmem = i.rm.reg; | |
3595 | i.rm.reg = xchg; | |
3596 | ||
dbbc8b7e JB |
3597 | if (i.tm.opcode_modifier.d) |
3598 | i.tm.base_opcode ^= (i.tm.base_opcode & 0xee) != 0x6e | |
3599 | ? Opcode_SIMD_FloatD : Opcode_SIMD_IntD; | |
3600 | else /* Use the next insn. */ | |
3601 | i.tm = t[1]; | |
fa99fab2 L |
3602 | } |
3603 | ||
79dec6b7 JB |
3604 | /* Use 2-byte VEX prefix by swapping commutative source operands if there |
3605 | are no memory operands and at least 3 register ones. */ | |
3606 | if (i.reg_operands >= 3 | |
3607 | && i.vec_encoding != vex_encoding_vex3 | |
3608 | && i.reg_operands == i.operands - i.imm_operands | |
3609 | && i.tm.opcode_modifier.vex | |
3610 | && i.tm.opcode_modifier.commutative | |
3611 | && (i.tm.opcode_modifier.sse2avx || optimize > 1) | |
3612 | && i.rex == REX_B | |
3613 | && i.vex.register_specifier | |
3614 | && !(i.vex.register_specifier->reg_flags & RegRex)) | |
3615 | { | |
3616 | unsigned int xchg = i.operands - i.reg_operands; | |
3617 | union i386_op temp_op; | |
3618 | i386_operand_type temp_type; | |
3619 | ||
3620 | gas_assert (i.tm.opcode_modifier.vexopcode == VEX0F); | |
3621 | gas_assert (!i.tm.opcode_modifier.sae); | |
3622 | gas_assert (operand_type_equal (&i.types[i.operands - 2], | |
3623 | &i.types[i.operands - 3])); | |
3624 | gas_assert (i.rm.mode == 3); | |
3625 | ||
3626 | temp_type = i.types[xchg]; | |
3627 | i.types[xchg] = i.types[xchg + 1]; | |
3628 | i.types[xchg + 1] = temp_type; | |
3629 | temp_op = i.op[xchg]; | |
3630 | i.op[xchg] = i.op[xchg + 1]; | |
3631 | i.op[xchg + 1] = temp_op; | |
3632 | ||
3633 | i.rex = 0; | |
3634 | xchg = i.rm.regmem | 8; | |
3635 | i.rm.regmem = ~register_specifier & 0xf; | |
3636 | gas_assert (!(i.rm.regmem & 8)); | |
3637 | i.vex.register_specifier += xchg - i.rm.regmem; | |
3638 | register_specifier = ~xchg & 0xf; | |
3639 | } | |
3640 | ||
539f890d L |
3641 | if (i.tm.opcode_modifier.vex == VEXScalar) |
3642 | vector_length = avxscalar; | |
10c17abd JB |
3643 | else if (i.tm.opcode_modifier.vex == VEX256) |
3644 | vector_length = 1; | |
539f890d | 3645 | else |
10c17abd | 3646 | { |
56522fc5 | 3647 | unsigned int op; |
10c17abd | 3648 | |
c7213af9 L |
3649 | /* Determine vector length from the last multi-length vector |
3650 | operand. */ | |
10c17abd | 3651 | vector_length = 0; |
56522fc5 | 3652 | for (op = t->operands; op--;) |
10c17abd JB |
3653 | if (t->operand_types[op].bitfield.xmmword |
3654 | && t->operand_types[op].bitfield.ymmword | |
3655 | && i.types[op].bitfield.ymmword) | |
3656 | { | |
3657 | vector_length = 1; | |
3658 | break; | |
3659 | } | |
3660 | } | |
c0f3af97 L |
3661 | |
3662 | switch ((i.tm.base_opcode >> 8) & 0xff) | |
3663 | { | |
3664 | case 0: | |
3665 | implied_prefix = 0; | |
3666 | break; | |
3667 | case DATA_PREFIX_OPCODE: | |
3668 | implied_prefix = 1; | |
3669 | break; | |
3670 | case REPE_PREFIX_OPCODE: | |
3671 | implied_prefix = 2; | |
3672 | break; | |
3673 | case REPNE_PREFIX_OPCODE: | |
3674 | implied_prefix = 3; | |
3675 | break; | |
3676 | default: | |
3677 | abort (); | |
3678 | } | |
3679 | ||
03751133 L |
3680 | /* Check the REX.W bit and VEXW. */ |
3681 | if (i.tm.opcode_modifier.vexw == VEXWIG) | |
3682 | w = (vexwig == vexw1 || (i.rex & REX_W)) ? 1 : 0; | |
3683 | else if (i.tm.opcode_modifier.vexw) | |
3684 | w = i.tm.opcode_modifier.vexw == VEXW1 ? 1 : 0; | |
3685 | else | |
931d03b7 | 3686 | w = (flag_code == CODE_64BIT ? i.rex & REX_W : vexwig == vexw1) ? 1 : 0; |
03751133 | 3687 | |
c0f3af97 | 3688 | /* Use 2-byte VEX prefix if possible. */ |
03751133 L |
3689 | if (w == 0 |
3690 | && i.vec_encoding != vex_encoding_vex3 | |
86fa6981 | 3691 | && i.tm.opcode_modifier.vexopcode == VEX0F |
c0f3af97 L |
3692 | && (i.rex & (REX_W | REX_X | REX_B)) == 0) |
3693 | { | |
3694 | /* 2-byte VEX prefix. */ | |
3695 | unsigned int r; | |
3696 | ||
3697 | i.vex.length = 2; | |
3698 | i.vex.bytes[0] = 0xc5; | |
3699 | ||
3700 | /* Check the REX.R bit. */ | |
3701 | r = (i.rex & REX_R) ? 0 : 1; | |
3702 | i.vex.bytes[1] = (r << 7 | |
3703 | | register_specifier << 3 | |
3704 | | vector_length << 2 | |
3705 | | implied_prefix); | |
3706 | } | |
3707 | else | |
3708 | { | |
3709 | /* 3-byte VEX prefix. */ | |
03751133 | 3710 | unsigned int m; |
c0f3af97 | 3711 | |
f88c9eb0 | 3712 | i.vex.length = 3; |
f88c9eb0 | 3713 | |
7f399153 | 3714 | switch (i.tm.opcode_modifier.vexopcode) |
5dd85c99 | 3715 | { |
7f399153 L |
3716 | case VEX0F: |
3717 | m = 0x1; | |
80de6e00 | 3718 | i.vex.bytes[0] = 0xc4; |
7f399153 L |
3719 | break; |
3720 | case VEX0F38: | |
3721 | m = 0x2; | |
80de6e00 | 3722 | i.vex.bytes[0] = 0xc4; |
7f399153 L |
3723 | break; |
3724 | case VEX0F3A: | |
3725 | m = 0x3; | |
80de6e00 | 3726 | i.vex.bytes[0] = 0xc4; |
7f399153 L |
3727 | break; |
3728 | case XOP08: | |
5dd85c99 SP |
3729 | m = 0x8; |
3730 | i.vex.bytes[0] = 0x8f; | |
7f399153 L |
3731 | break; |
3732 | case XOP09: | |
f88c9eb0 SP |
3733 | m = 0x9; |
3734 | i.vex.bytes[0] = 0x8f; | |
7f399153 L |
3735 | break; |
3736 | case XOP0A: | |
f88c9eb0 SP |
3737 | m = 0xa; |
3738 | i.vex.bytes[0] = 0x8f; | |
7f399153 L |
3739 | break; |
3740 | default: | |
3741 | abort (); | |
f88c9eb0 | 3742 | } |
c0f3af97 | 3743 | |
c0f3af97 L |
3744 | /* The high 3 bits of the second VEX byte are 1's compliment |
3745 | of RXB bits from REX. */ | |
3746 | i.vex.bytes[1] = (~i.rex & 0x7) << 5 | m; | |
3747 | ||
c0f3af97 L |
3748 | i.vex.bytes[2] = (w << 7 |
3749 | | register_specifier << 3 | |
3750 | | vector_length << 2 | |
3751 | | implied_prefix); | |
3752 | } | |
3753 | } | |
3754 | ||
e771e7c9 JB |
3755 | static INLINE bfd_boolean |
3756 | is_evex_encoding (const insn_template *t) | |
3757 | { | |
7091c612 | 3758 | return t->opcode_modifier.evex || t->opcode_modifier.disp8memshift |
e771e7c9 | 3759 | || t->opcode_modifier.broadcast || t->opcode_modifier.masking |
a80195f1 | 3760 | || t->opcode_modifier.sae; |
e771e7c9 JB |
3761 | } |
3762 | ||
7a8655d2 JB |
3763 | static INLINE bfd_boolean |
3764 | is_any_vex_encoding (const insn_template *t) | |
3765 | { | |
3766 | return t->opcode_modifier.vex || t->opcode_modifier.vexopcode | |
3767 | || is_evex_encoding (t); | |
3768 | } | |
3769 | ||
43234a1e L |
3770 | /* Build the EVEX prefix. */ |
3771 | ||
3772 | static void | |
3773 | build_evex_prefix (void) | |
3774 | { | |
3775 | unsigned int register_specifier; | |
3776 | unsigned int implied_prefix; | |
3777 | unsigned int m, w; | |
3778 | rex_byte vrex_used = 0; | |
3779 | ||
3780 | /* Check register specifier. */ | |
3781 | if (i.vex.register_specifier) | |
3782 | { | |
3783 | gas_assert ((i.vrex & REX_X) == 0); | |
3784 | ||
3785 | register_specifier = i.vex.register_specifier->reg_num; | |
3786 | if ((i.vex.register_specifier->reg_flags & RegRex)) | |
3787 | register_specifier += 8; | |
3788 | /* The upper 16 registers are encoded in the fourth byte of the | |
3789 | EVEX prefix. */ | |
3790 | if (!(i.vex.register_specifier->reg_flags & RegVRex)) | |
3791 | i.vex.bytes[3] = 0x8; | |
3792 | register_specifier = ~register_specifier & 0xf; | |
3793 | } | |
3794 | else | |
3795 | { | |
3796 | register_specifier = 0xf; | |
3797 | ||
3798 | /* Encode upper 16 vector index register in the fourth byte of | |
3799 | the EVEX prefix. */ | |
3800 | if (!(i.vrex & REX_X)) | |
3801 | i.vex.bytes[3] = 0x8; | |
3802 | else | |
3803 | vrex_used |= REX_X; | |
3804 | } | |
3805 | ||
3806 | switch ((i.tm.base_opcode >> 8) & 0xff) | |
3807 | { | |
3808 | case 0: | |
3809 | implied_prefix = 0; | |
3810 | break; | |
3811 | case DATA_PREFIX_OPCODE: | |
3812 | implied_prefix = 1; | |
3813 | break; | |
3814 | case REPE_PREFIX_OPCODE: | |
3815 | implied_prefix = 2; | |
3816 | break; | |
3817 | case REPNE_PREFIX_OPCODE: | |
3818 | implied_prefix = 3; | |
3819 | break; | |
3820 | default: | |
3821 | abort (); | |
3822 | } | |
3823 | ||
3824 | /* 4 byte EVEX prefix. */ | |
3825 | i.vex.length = 4; | |
3826 | i.vex.bytes[0] = 0x62; | |
3827 | ||
3828 | /* mmmm bits. */ | |
3829 | switch (i.tm.opcode_modifier.vexopcode) | |
3830 | { | |
3831 | case VEX0F: | |
3832 | m = 1; | |
3833 | break; | |
3834 | case VEX0F38: | |
3835 | m = 2; | |
3836 | break; | |
3837 | case VEX0F3A: | |
3838 | m = 3; | |
3839 | break; | |
3840 | default: | |
3841 | abort (); | |
3842 | break; | |
3843 | } | |
3844 | ||
3845 | /* The high 3 bits of the second EVEX byte are 1's compliment of RXB | |
3846 | bits from REX. */ | |
3847 | i.vex.bytes[1] = (~i.rex & 0x7) << 5 | m; | |
3848 | ||
3849 | /* The fifth bit of the second EVEX byte is 1's compliment of the | |
3850 | REX_R bit in VREX. */ | |
3851 | if (!(i.vrex & REX_R)) | |
3852 | i.vex.bytes[1] |= 0x10; | |
3853 | else | |
3854 | vrex_used |= REX_R; | |
3855 | ||
3856 | if ((i.reg_operands + i.imm_operands) == i.operands) | |
3857 | { | |
3858 | /* When all operands are registers, the REX_X bit in REX is not | |
3859 | used. We reuse it to encode the upper 16 registers, which is | |
3860 | indicated by the REX_B bit in VREX. The REX_X bit is encoded | |
3861 | as 1's compliment. */ | |
3862 | if ((i.vrex & REX_B)) | |
3863 | { | |
3864 | vrex_used |= REX_B; | |
3865 | i.vex.bytes[1] &= ~0x40; | |
3866 | } | |
3867 | } | |
3868 | ||
3869 | /* EVEX instructions shouldn't need the REX prefix. */ | |
3870 | i.vrex &= ~vrex_used; | |
3871 | gas_assert (i.vrex == 0); | |
3872 | ||
6865c043 L |
3873 | /* Check the REX.W bit and VEXW. */ |
3874 | if (i.tm.opcode_modifier.vexw == VEXWIG) | |
3875 | w = (evexwig == evexw1 || (i.rex & REX_W)) ? 1 : 0; | |
3876 | else if (i.tm.opcode_modifier.vexw) | |
3877 | w = i.tm.opcode_modifier.vexw == VEXW1 ? 1 : 0; | |
3878 | else | |
931d03b7 | 3879 | w = (flag_code == CODE_64BIT ? i.rex & REX_W : evexwig == evexw1) ? 1 : 0; |
43234a1e L |
3880 | |
3881 | /* Encode the U bit. */ | |
3882 | implied_prefix |= 0x4; | |
3883 | ||
3884 | /* The third byte of the EVEX prefix. */ | |
3885 | i.vex.bytes[2] = (w << 7 | register_specifier << 3 | implied_prefix); | |
3886 | ||
3887 | /* The fourth byte of the EVEX prefix. */ | |
3888 | /* The zeroing-masking bit. */ | |
3889 | if (i.mask && i.mask->zeroing) | |
3890 | i.vex.bytes[3] |= 0x80; | |
3891 | ||
3892 | /* Don't always set the broadcast bit if there is no RC. */ | |
3893 | if (!i.rounding) | |
3894 | { | |
3895 | /* Encode the vector length. */ | |
3896 | unsigned int vec_length; | |
3897 | ||
e771e7c9 JB |
3898 | if (!i.tm.opcode_modifier.evex |
3899 | || i.tm.opcode_modifier.evex == EVEXDYN) | |
3900 | { | |
56522fc5 | 3901 | unsigned int op; |
e771e7c9 | 3902 | |
c7213af9 L |
3903 | /* Determine vector length from the last multi-length vector |
3904 | operand. */ | |
e771e7c9 | 3905 | vec_length = 0; |
56522fc5 | 3906 | for (op = i.operands; op--;) |
e771e7c9 JB |
3907 | if (i.tm.operand_types[op].bitfield.xmmword |
3908 | + i.tm.operand_types[op].bitfield.ymmword | |
3909 | + i.tm.operand_types[op].bitfield.zmmword > 1) | |
3910 | { | |
3911 | if (i.types[op].bitfield.zmmword) | |
c7213af9 L |
3912 | { |
3913 | i.tm.opcode_modifier.evex = EVEX512; | |
3914 | break; | |
3915 | } | |
e771e7c9 | 3916 | else if (i.types[op].bitfield.ymmword) |
c7213af9 L |
3917 | { |
3918 | i.tm.opcode_modifier.evex = EVEX256; | |
3919 | break; | |
3920 | } | |
e771e7c9 | 3921 | else if (i.types[op].bitfield.xmmword) |
c7213af9 L |
3922 | { |
3923 | i.tm.opcode_modifier.evex = EVEX128; | |
3924 | break; | |
3925 | } | |
625cbd7a JB |
3926 | else if (i.broadcast && (int) op == i.broadcast->operand) |
3927 | { | |
4a1b91ea | 3928 | switch (i.broadcast->bytes) |
625cbd7a JB |
3929 | { |
3930 | case 64: | |
3931 | i.tm.opcode_modifier.evex = EVEX512; | |
3932 | break; | |
3933 | case 32: | |
3934 | i.tm.opcode_modifier.evex = EVEX256; | |
3935 | break; | |
3936 | case 16: | |
3937 | i.tm.opcode_modifier.evex = EVEX128; | |
3938 | break; | |
3939 | default: | |
c7213af9 | 3940 | abort (); |
625cbd7a | 3941 | } |
c7213af9 | 3942 | break; |
625cbd7a | 3943 | } |
e771e7c9 | 3944 | } |
c7213af9 | 3945 | |
56522fc5 | 3946 | if (op >= MAX_OPERANDS) |
c7213af9 | 3947 | abort (); |
e771e7c9 JB |
3948 | } |
3949 | ||
43234a1e L |
3950 | switch (i.tm.opcode_modifier.evex) |
3951 | { | |
3952 | case EVEXLIG: /* LL' is ignored */ | |
3953 | vec_length = evexlig << 5; | |
3954 | break; | |
3955 | case EVEX128: | |
3956 | vec_length = 0 << 5; | |
3957 | break; | |
3958 | case EVEX256: | |
3959 | vec_length = 1 << 5; | |
3960 | break; | |
3961 | case EVEX512: | |
3962 | vec_length = 2 << 5; | |
3963 | break; | |
3964 | default: | |
3965 | abort (); | |
3966 | break; | |
3967 | } | |
3968 | i.vex.bytes[3] |= vec_length; | |
3969 | /* Encode the broadcast bit. */ | |
3970 | if (i.broadcast) | |
3971 | i.vex.bytes[3] |= 0x10; | |
3972 | } | |
3973 | else | |
3974 | { | |
3975 | if (i.rounding->type != saeonly) | |
3976 | i.vex.bytes[3] |= 0x10 | (i.rounding->type << 5); | |
3977 | else | |
d3d3c6db | 3978 | i.vex.bytes[3] |= 0x10 | (evexrcig << 5); |
43234a1e L |
3979 | } |
3980 | ||
3981 | if (i.mask && i.mask->mask) | |
3982 | i.vex.bytes[3] |= i.mask->mask->reg_num; | |
3983 | } | |
3984 | ||
65da13b5 L |
3985 | static void |
3986 | process_immext (void) | |
3987 | { | |
3988 | expressionS *exp; | |
3989 | ||
c0f3af97 | 3990 | /* These AMD 3DNow! and SSE2 instructions have an opcode suffix |
65da13b5 L |
3991 | which is coded in the same place as an 8-bit immediate field |
3992 | would be. Here we fake an 8-bit immediate operand from the | |
3993 | opcode suffix stored in tm.extension_opcode. | |
3994 | ||
c1e679ec | 3995 | AVX instructions also use this encoding, for some of |
c0f3af97 | 3996 | 3 argument instructions. */ |
65da13b5 | 3997 | |
43234a1e | 3998 | gas_assert (i.imm_operands <= 1 |
7ab9ffdd | 3999 | && (i.operands <= 2 |
7a8655d2 | 4000 | || (is_any_vex_encoding (&i.tm) |
7ab9ffdd | 4001 | && i.operands <= 4))); |
65da13b5 L |
4002 | |
4003 | exp = &im_expressions[i.imm_operands++]; | |
4004 | i.op[i.operands].imms = exp; | |
4005 | i.types[i.operands] = imm8; | |
4006 | i.operands++; | |
4007 | exp->X_op = O_constant; | |
4008 | exp->X_add_number = i.tm.extension_opcode; | |
4009 | i.tm.extension_opcode = None; | |
4010 | } | |
4011 | ||
42164a71 L |
4012 | |
4013 | static int | |
4014 | check_hle (void) | |
4015 | { | |
4016 | switch (i.tm.opcode_modifier.hleprefixok) | |
4017 | { | |
4018 | default: | |
4019 | abort (); | |
82c2def5 | 4020 | case HLEPrefixNone: |
165de32a L |
4021 | as_bad (_("invalid instruction `%s' after `%s'"), |
4022 | i.tm.name, i.hle_prefix); | |
42164a71 | 4023 | return 0; |
82c2def5 | 4024 | case HLEPrefixLock: |
42164a71 L |
4025 | if (i.prefix[LOCK_PREFIX]) |
4026 | return 1; | |
165de32a | 4027 | as_bad (_("missing `lock' with `%s'"), i.hle_prefix); |
42164a71 | 4028 | return 0; |
82c2def5 | 4029 | case HLEPrefixAny: |
42164a71 | 4030 | return 1; |
82c2def5 | 4031 | case HLEPrefixRelease: |
42164a71 L |
4032 | if (i.prefix[HLE_PREFIX] != XRELEASE_PREFIX_OPCODE) |
4033 | { | |
4034 | as_bad (_("instruction `%s' after `xacquire' not allowed"), | |
4035 | i.tm.name); | |
4036 | return 0; | |
4037 | } | |
8dc0818e | 4038 | if (i.mem_operands == 0 || !(i.flags[i.operands - 1] & Operand_Mem)) |
42164a71 L |
4039 | { |
4040 | as_bad (_("memory destination needed for instruction `%s'" | |
4041 | " after `xrelease'"), i.tm.name); | |
4042 | return 0; | |
4043 | } | |
4044 | return 1; | |
4045 | } | |
4046 | } | |
4047 | ||
b6f8c7c4 L |
4048 | /* Try the shortest encoding by shortening operand size. */ |
4049 | ||
4050 | static void | |
4051 | optimize_encoding (void) | |
4052 | { | |
a0a1771e | 4053 | unsigned int j; |
b6f8c7c4 L |
4054 | |
4055 | if (optimize_for_space | |
72aea328 | 4056 | && !is_any_vex_encoding (&i.tm) |
b6f8c7c4 L |
4057 | && i.reg_operands == 1 |
4058 | && i.imm_operands == 1 | |
4059 | && !i.types[1].bitfield.byte | |
4060 | && i.op[0].imms->X_op == O_constant | |
4061 | && fits_in_imm7 (i.op[0].imms->X_add_number) | |
72aea328 | 4062 | && (i.tm.base_opcode == 0xa8 |
b6f8c7c4 L |
4063 | || (i.tm.base_opcode == 0xf6 |
4064 | && i.tm.extension_opcode == 0x0))) | |
4065 | { | |
4066 | /* Optimize: -Os: | |
4067 | test $imm7, %r64/%r32/%r16 -> test $imm7, %r8 | |
4068 | */ | |
4069 | unsigned int base_regnum = i.op[1].regs->reg_num; | |
4070 | if (flag_code == CODE_64BIT || base_regnum < 4) | |
4071 | { | |
4072 | i.types[1].bitfield.byte = 1; | |
4073 | /* Ignore the suffix. */ | |
4074 | i.suffix = 0; | |
7697afb6 JB |
4075 | /* Convert to byte registers. */ |
4076 | if (i.types[1].bitfield.word) | |
4077 | j = 16; | |
4078 | else if (i.types[1].bitfield.dword) | |
4079 | j = 32; | |
4080 | else | |
4081 | j = 48; | |
4082 | if (!(i.op[1].regs->reg_flags & RegRex) && base_regnum < 4) | |
4083 | j += 8; | |
4084 | i.op[1].regs -= j; | |
b6f8c7c4 L |
4085 | } |
4086 | } | |
4087 | else if (flag_code == CODE_64BIT | |
72aea328 | 4088 | && !is_any_vex_encoding (&i.tm) |
d3d50934 L |
4089 | && ((i.types[1].bitfield.qword |
4090 | && i.reg_operands == 1 | |
b6f8c7c4 L |
4091 | && i.imm_operands == 1 |
4092 | && i.op[0].imms->X_op == O_constant | |
507916b8 | 4093 | && ((i.tm.base_opcode == 0xb8 |
b6f8c7c4 L |
4094 | && i.tm.extension_opcode == None |
4095 | && fits_in_unsigned_long (i.op[0].imms->X_add_number)) | |
4096 | || (fits_in_imm31 (i.op[0].imms->X_add_number) | |
72aea328 JB |
4097 | && ((i.tm.base_opcode == 0x24 |
4098 | || i.tm.base_opcode == 0xa8) | |
b6f8c7c4 L |
4099 | || (i.tm.base_opcode == 0x80 |
4100 | && i.tm.extension_opcode == 0x4) | |
4101 | || ((i.tm.base_opcode == 0xf6 | |
507916b8 | 4102 | || (i.tm.base_opcode | 1) == 0xc7) |
b8364fa7 JB |
4103 | && i.tm.extension_opcode == 0x0))) |
4104 | || (fits_in_imm7 (i.op[0].imms->X_add_number) | |
4105 | && i.tm.base_opcode == 0x83 | |
4106 | && i.tm.extension_opcode == 0x4))) | |
d3d50934 L |
4107 | || (i.types[0].bitfield.qword |
4108 | && ((i.reg_operands == 2 | |
4109 | && i.op[0].regs == i.op[1].regs | |
72aea328 JB |
4110 | && (i.tm.base_opcode == 0x30 |
4111 | || i.tm.base_opcode == 0x28)) | |
d3d50934 L |
4112 | || (i.reg_operands == 1 |
4113 | && i.operands == 1 | |
72aea328 | 4114 | && i.tm.base_opcode == 0x30))))) |
b6f8c7c4 L |
4115 | { |
4116 | /* Optimize: -O: | |
4117 | andq $imm31, %r64 -> andl $imm31, %r32 | |
b8364fa7 | 4118 | andq $imm7, %r64 -> andl $imm7, %r32 |
b6f8c7c4 L |
4119 | testq $imm31, %r64 -> testl $imm31, %r32 |
4120 | xorq %r64, %r64 -> xorl %r32, %r32 | |
4121 | subq %r64, %r64 -> subl %r32, %r32 | |
4122 | movq $imm31, %r64 -> movl $imm31, %r32 | |
4123 | movq $imm32, %r64 -> movl $imm32, %r32 | |
4124 | */ | |
4125 | i.tm.opcode_modifier.norex64 = 1; | |
507916b8 | 4126 | if (i.tm.base_opcode == 0xb8 || (i.tm.base_opcode | 1) == 0xc7) |
b6f8c7c4 L |
4127 | { |
4128 | /* Handle | |
4129 | movq $imm31, %r64 -> movl $imm31, %r32 | |
4130 | movq $imm32, %r64 -> movl $imm32, %r32 | |
4131 | */ | |
4132 | i.tm.operand_types[0].bitfield.imm32 = 1; | |
4133 | i.tm.operand_types[0].bitfield.imm32s = 0; | |
4134 | i.tm.operand_types[0].bitfield.imm64 = 0; | |
4135 | i.types[0].bitfield.imm32 = 1; | |
4136 | i.types[0].bitfield.imm32s = 0; | |
4137 | i.types[0].bitfield.imm64 = 0; | |
4138 | i.types[1].bitfield.dword = 1; | |
4139 | i.types[1].bitfield.qword = 0; | |
507916b8 | 4140 | if ((i.tm.base_opcode | 1) == 0xc7) |
b6f8c7c4 L |
4141 | { |
4142 | /* Handle | |
4143 | movq $imm31, %r64 -> movl $imm31, %r32 | |
4144 | */ | |
507916b8 | 4145 | i.tm.base_opcode = 0xb8; |
b6f8c7c4 | 4146 | i.tm.extension_opcode = None; |
507916b8 | 4147 | i.tm.opcode_modifier.w = 0; |
b6f8c7c4 L |
4148 | i.tm.opcode_modifier.modrm = 0; |
4149 | } | |
4150 | } | |
4151 | } | |
5641ec01 JB |
4152 | else if (optimize > 1 |
4153 | && !optimize_for_space | |
72aea328 | 4154 | && !is_any_vex_encoding (&i.tm) |
5641ec01 JB |
4155 | && i.reg_operands == 2 |
4156 | && i.op[0].regs == i.op[1].regs | |
4157 | && ((i.tm.base_opcode & ~(Opcode_D | 1)) == 0x8 | |
4158 | || (i.tm.base_opcode & ~(Opcode_D | 1)) == 0x20) | |
4159 | && (flag_code != CODE_64BIT || !i.types[0].bitfield.dword)) | |
4160 | { | |
4161 | /* Optimize: -O2: | |
4162 | andb %rN, %rN -> testb %rN, %rN | |
4163 | andw %rN, %rN -> testw %rN, %rN | |
4164 | andq %rN, %rN -> testq %rN, %rN | |
4165 | orb %rN, %rN -> testb %rN, %rN | |
4166 | orw %rN, %rN -> testw %rN, %rN | |
4167 | orq %rN, %rN -> testq %rN, %rN | |
4168 | ||
4169 | and outside of 64-bit mode | |
4170 | ||
4171 | andl %rN, %rN -> testl %rN, %rN | |
4172 | orl %rN, %rN -> testl %rN, %rN | |
4173 | */ | |
4174 | i.tm.base_opcode = 0x84 | (i.tm.base_opcode & 1); | |
4175 | } | |
99112332 | 4176 | else if (i.reg_operands == 3 |
b6f8c7c4 L |
4177 | && i.op[0].regs == i.op[1].regs |
4178 | && !i.types[2].bitfield.xmmword | |
4179 | && (i.tm.opcode_modifier.vex | |
7a69eac3 | 4180 | || ((!i.mask || i.mask->zeroing) |
b6f8c7c4 | 4181 | && !i.rounding |
e771e7c9 | 4182 | && is_evex_encoding (&i.tm) |
80c34c38 | 4183 | && (i.vec_encoding != vex_encoding_evex |
dd22218c | 4184 | || cpu_arch_isa_flags.bitfield.cpuavx512vl |
80c34c38 | 4185 | || i.tm.cpu_flags.bitfield.cpuavx512vl |
7091c612 | 4186 | || (i.tm.operand_types[2].bitfield.zmmword |
dd22218c | 4187 | && i.types[2].bitfield.ymmword)))) |
b6f8c7c4 L |
4188 | && ((i.tm.base_opcode == 0x55 |
4189 | || i.tm.base_opcode == 0x6655 | |
4190 | || i.tm.base_opcode == 0x66df | |
4191 | || i.tm.base_opcode == 0x57 | |
4192 | || i.tm.base_opcode == 0x6657 | |
8305403a L |
4193 | || i.tm.base_opcode == 0x66ef |
4194 | || i.tm.base_opcode == 0x66f8 | |
4195 | || i.tm.base_opcode == 0x66f9 | |
4196 | || i.tm.base_opcode == 0x66fa | |
1424ad86 JB |
4197 | || i.tm.base_opcode == 0x66fb |
4198 | || i.tm.base_opcode == 0x42 | |
4199 | || i.tm.base_opcode == 0x6642 | |
4200 | || i.tm.base_opcode == 0x47 | |
4201 | || i.tm.base_opcode == 0x6647) | |
b6f8c7c4 L |
4202 | && i.tm.extension_opcode == None)) |
4203 | { | |
99112332 | 4204 | /* Optimize: -O1: |
8305403a L |
4205 | VOP, one of vandnps, vandnpd, vxorps, vxorpd, vpsubb, vpsubd, |
4206 | vpsubq and vpsubw: | |
b6f8c7c4 L |
4207 | EVEX VOP %zmmM, %zmmM, %zmmN |
4208 | -> VEX VOP %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4209 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4210 | EVEX VOP %ymmM, %ymmM, %ymmN |
4211 | -> VEX VOP %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4212 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4213 | VEX VOP %ymmM, %ymmM, %ymmN |
4214 | -> VEX VOP %xmmM, %xmmM, %xmmN | |
4215 | VOP, one of vpandn and vpxor: | |
4216 | VEX VOP %ymmM, %ymmM, %ymmN | |
4217 | -> VEX VOP %xmmM, %xmmM, %xmmN | |
4218 | VOP, one of vpandnd and vpandnq: | |
4219 | EVEX VOP %zmmM, %zmmM, %zmmN | |
4220 | -> VEX vpandn %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4221 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4222 | EVEX VOP %ymmM, %ymmM, %ymmN |
4223 | -> VEX vpandn %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4224 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4225 | VOP, one of vpxord and vpxorq: |
4226 | EVEX VOP %zmmM, %zmmM, %zmmN | |
4227 | -> VEX vpxor %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4228 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
b6f8c7c4 L |
4229 | EVEX VOP %ymmM, %ymmM, %ymmN |
4230 | -> VEX vpxor %xmmM, %xmmM, %xmmN (M and N < 16) | |
99112332 | 4231 | -> EVEX VOP %xmmM, %xmmM, %xmmN (M || N >= 16) (-O2) |
1424ad86 JB |
4232 | VOP, one of kxord and kxorq: |
4233 | VEX VOP %kM, %kM, %kN | |
4234 | -> VEX kxorw %kM, %kM, %kN | |
4235 | VOP, one of kandnd and kandnq: | |
4236 | VEX VOP %kM, %kM, %kN | |
4237 | -> VEX kandnw %kM, %kM, %kN | |
b6f8c7c4 | 4238 | */ |
e771e7c9 | 4239 | if (is_evex_encoding (&i.tm)) |
b6f8c7c4 | 4240 | { |
7b1d7ca1 | 4241 | if (i.vec_encoding != vex_encoding_evex) |
b6f8c7c4 L |
4242 | { |
4243 | i.tm.opcode_modifier.vex = VEX128; | |
4244 | i.tm.opcode_modifier.vexw = VEXW0; | |
4245 | i.tm.opcode_modifier.evex = 0; | |
4246 | } | |
7b1d7ca1 | 4247 | else if (optimize > 1) |
dd22218c L |
4248 | i.tm.opcode_modifier.evex = EVEX128; |
4249 | else | |
4250 | return; | |
b6f8c7c4 | 4251 | } |
f74a6307 | 4252 | else if (i.tm.operand_types[0].bitfield.class == RegMask) |
1424ad86 JB |
4253 | { |
4254 | i.tm.base_opcode &= 0xff; | |
4255 | i.tm.opcode_modifier.vexw = VEXW0; | |
4256 | } | |
b6f8c7c4 L |
4257 | else |
4258 | i.tm.opcode_modifier.vex = VEX128; | |
4259 | ||
4260 | if (i.tm.opcode_modifier.vex) | |
4261 | for (j = 0; j < 3; j++) | |
4262 | { | |
4263 | i.types[j].bitfield.xmmword = 1; | |
4264 | i.types[j].bitfield.ymmword = 0; | |
4265 | } | |
4266 | } | |
392a5972 | 4267 | else if (i.vec_encoding != vex_encoding_evex |
97ed31ae | 4268 | && !i.types[0].bitfield.zmmword |
392a5972 | 4269 | && !i.types[1].bitfield.zmmword |
97ed31ae | 4270 | && !i.mask |
a0a1771e | 4271 | && !i.broadcast |
97ed31ae | 4272 | && is_evex_encoding (&i.tm) |
392a5972 L |
4273 | && ((i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0x666f |
4274 | || (i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0xf36f | |
a0a1771e JB |
4275 | || (i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0xf26f |
4276 | || (i.tm.base_opcode & ~4) == 0x66db | |
4277 | || (i.tm.base_opcode & ~4) == 0x66eb) | |
97ed31ae L |
4278 | && i.tm.extension_opcode == None) |
4279 | { | |
4280 | /* Optimize: -O1: | |
4281 | VOP, one of vmovdqa32, vmovdqa64, vmovdqu8, vmovdqu16, | |
4282 | vmovdqu32 and vmovdqu64: | |
4283 | EVEX VOP %xmmM, %xmmN | |
4284 | -> VEX vmovdqa|vmovdqu %xmmM, %xmmN (M and N < 16) | |
4285 | EVEX VOP %ymmM, %ymmN | |
4286 | -> VEX vmovdqa|vmovdqu %ymmM, %ymmN (M and N < 16) | |
4287 | EVEX VOP %xmmM, mem | |
4288 | -> VEX vmovdqa|vmovdqu %xmmM, mem (M < 16) | |
4289 | EVEX VOP %ymmM, mem | |
4290 | -> VEX vmovdqa|vmovdqu %ymmM, mem (M < 16) | |
4291 | EVEX VOP mem, %xmmN | |
4292 | -> VEX mvmovdqa|vmovdquem, %xmmN (N < 16) | |
4293 | EVEX VOP mem, %ymmN | |
4294 | -> VEX vmovdqa|vmovdqu mem, %ymmN (N < 16) | |
a0a1771e JB |
4295 | VOP, one of vpand, vpandn, vpor, vpxor: |
4296 | EVEX VOP{d,q} %xmmL, %xmmM, %xmmN | |
4297 | -> VEX VOP %xmmL, %xmmM, %xmmN (L, M, and N < 16) | |
4298 | EVEX VOP{d,q} %ymmL, %ymmM, %ymmN | |
4299 | -> VEX VOP %ymmL, %ymmM, %ymmN (L, M, and N < 16) | |
4300 | EVEX VOP{d,q} mem, %xmmM, %xmmN | |
4301 | -> VEX VOP mem, %xmmM, %xmmN (M and N < 16) | |
4302 | EVEX VOP{d,q} mem, %ymmM, %ymmN | |
4303 | -> VEX VOP mem, %ymmM, %ymmN (M and N < 16) | |
97ed31ae | 4304 | */ |
a0a1771e | 4305 | for (j = 0; j < i.operands; j++) |
392a5972 L |
4306 | if (operand_type_check (i.types[j], disp) |
4307 | && i.op[j].disps->X_op == O_constant) | |
4308 | { | |
4309 | /* Since the VEX prefix has 2 or 3 bytes, the EVEX prefix | |
4310 | has 4 bytes, EVEX Disp8 has 1 byte and VEX Disp32 has 4 | |
4311 | bytes, we choose EVEX Disp8 over VEX Disp32. */ | |
4312 | int evex_disp8, vex_disp8; | |
4313 | unsigned int memshift = i.memshift; | |
4314 | offsetT n = i.op[j].disps->X_add_number; | |
4315 | ||
4316 | evex_disp8 = fits_in_disp8 (n); | |
4317 | i.memshift = 0; | |
4318 | vex_disp8 = fits_in_disp8 (n); | |
4319 | if (evex_disp8 != vex_disp8) | |
4320 | { | |
4321 | i.memshift = memshift; | |
4322 | return; | |
4323 | } | |
4324 | ||
4325 | i.types[j].bitfield.disp8 = vex_disp8; | |
4326 | break; | |
4327 | } | |
4328 | if ((i.tm.base_opcode & ~Opcode_SIMD_IntD) == 0xf26f) | |
4329 | i.tm.base_opcode ^= 0xf36f ^ 0xf26f; | |
97ed31ae L |
4330 | i.tm.opcode_modifier.vex |
4331 | = i.types[0].bitfield.ymmword ? VEX256 : VEX128; | |
4332 | i.tm.opcode_modifier.vexw = VEXW0; | |
79dec6b7 JB |
4333 | /* VPAND, VPOR, and VPXOR are commutative. */ |
4334 | if (i.reg_operands == 3 && i.tm.base_opcode != 0x66df) | |
4335 | i.tm.opcode_modifier.commutative = 1; | |
97ed31ae L |
4336 | i.tm.opcode_modifier.evex = 0; |
4337 | i.tm.opcode_modifier.masking = 0; | |
a0a1771e | 4338 | i.tm.opcode_modifier.broadcast = 0; |
97ed31ae L |
4339 | i.tm.opcode_modifier.disp8memshift = 0; |
4340 | i.memshift = 0; | |
a0a1771e JB |
4341 | if (j < i.operands) |
4342 | i.types[j].bitfield.disp8 | |
4343 | = fits_in_disp8 (i.op[j].disps->X_add_number); | |
97ed31ae | 4344 | } |
b6f8c7c4 L |
4345 | } |
4346 | ||
ae531041 L |
4347 | /* Return non-zero for load instruction. */ |
4348 | ||
4349 | static int | |
4350 | load_insn_p (void) | |
4351 | { | |
4352 | unsigned int dest; | |
4353 | int any_vex_p = is_any_vex_encoding (&i.tm); | |
4354 | unsigned int base_opcode = i.tm.base_opcode | 1; | |
4355 | ||
4356 | if (!any_vex_p) | |
4357 | { | |
a09f656b | 4358 | /* Anysize insns: lea, invlpg, clflush, prefetchnta, prefetcht0, |
4359 | prefetcht1, prefetcht2, prefetchtw, bndmk, bndcl, bndcu, bndcn, | |
4360 | bndstx, bndldx, prefetchwt1, clflushopt, clwb, cldemote. */ | |
4361 | if (i.tm.opcode_modifier.anysize) | |
ae531041 L |
4362 | return 0; |
4363 | ||
a09f656b | 4364 | /* pop, popf, popa. */ |
4365 | if (strcmp (i.tm.name, "pop") == 0 | |
4366 | || i.tm.base_opcode == 0x9d | |
4367 | || i.tm.base_opcode == 0x61) | |
ae531041 L |
4368 | return 1; |
4369 | ||
4370 | /* movs, cmps, lods, scas. */ | |
4371 | if ((i.tm.base_opcode | 0xb) == 0xaf) | |
4372 | return 1; | |
4373 | ||
a09f656b | 4374 | /* outs, xlatb. */ |
4375 | if (base_opcode == 0x6f | |
4376 | || i.tm.base_opcode == 0xd7) | |
ae531041 | 4377 | return 1; |
a09f656b | 4378 | /* NB: For AMD-specific insns with implicit memory operands, |
4379 | they're intentionally not covered. */ | |
ae531041 L |
4380 | } |
4381 | ||
4382 | /* No memory operand. */ | |
4383 | if (!i.mem_operands) | |
4384 | return 0; | |
4385 | ||
4386 | if (any_vex_p) | |
4387 | { | |
4388 | /* vldmxcsr. */ | |
4389 | if (i.tm.base_opcode == 0xae | |
4390 | && i.tm.opcode_modifier.vex | |
4391 | && i.tm.opcode_modifier.vexopcode == VEX0F | |
4392 | && i.tm.extension_opcode == 2) | |
4393 | return 1; | |
4394 | } | |
4395 | else | |
4396 | { | |
4397 | /* test, not, neg, mul, imul, div, idiv. */ | |
4398 | if ((i.tm.base_opcode == 0xf6 || i.tm.base_opcode == 0xf7) | |
4399 | && i.tm.extension_opcode != 1) | |
4400 | return 1; | |
4401 | ||
4402 | /* inc, dec. */ | |
4403 | if (base_opcode == 0xff && i.tm.extension_opcode <= 1) | |
4404 | return 1; | |
4405 | ||
4406 | /* add, or, adc, sbb, and, sub, xor, cmp. */ | |
4407 | if (i.tm.base_opcode >= 0x80 && i.tm.base_opcode <= 0x83) | |
4408 | return 1; | |
4409 | ||
4410 | /* bt, bts, btr, btc. */ | |
4411 | if (i.tm.base_opcode == 0xfba | |
4412 | && (i.tm.extension_opcode >= 4 && i.tm.extension_opcode <= 7)) | |
4413 | return 1; | |
4414 | ||
4415 | /* rol, ror, rcl, rcr, shl/sal, shr, sar. */ | |
4416 | if ((base_opcode == 0xc1 | |
4417 | || (i.tm.base_opcode >= 0xd0 && i.tm.base_opcode <= 0xd3)) | |
4418 | && i.tm.extension_opcode != 6) | |
4419 | return 1; | |
4420 | ||
4421 | /* cmpxchg8b, cmpxchg16b, xrstors. */ | |
4422 | if (i.tm.base_opcode == 0xfc7 | |
4423 | && (i.tm.extension_opcode == 1 || i.tm.extension_opcode == 3)) | |
4424 | return 1; | |
4425 | ||
4426 | /* fxrstor, ldmxcsr, xrstor. */ | |
4427 | if (i.tm.base_opcode == 0xfae | |
4428 | && (i.tm.extension_opcode == 1 | |
4429 | || i.tm.extension_opcode == 2 | |
4430 | || i.tm.extension_opcode == 5)) | |
4431 | return 1; | |
4432 | ||
4433 | /* lgdt, lidt, lmsw. */ | |
4434 | if (i.tm.base_opcode == 0xf01 | |
4435 | && (i.tm.extension_opcode == 2 | |
4436 | || i.tm.extension_opcode == 3 | |
4437 | || i.tm.extension_opcode == 6)) | |
4438 | return 1; | |
4439 | ||
4440 | /* vmptrld */ | |
4441 | if (i.tm.base_opcode == 0xfc7 | |
4442 | && i.tm.extension_opcode == 6) | |
4443 | return 1; | |
4444 | ||
4445 | /* Check for x87 instructions. */ | |
4446 | if (i.tm.base_opcode >= 0xd8 && i.tm.base_opcode <= 0xdf) | |
4447 | { | |
4448 | /* Skip fst, fstp, fstenv, fstcw. */ | |
4449 | if (i.tm.base_opcode == 0xd9 | |
4450 | && (i.tm.extension_opcode == 2 | |
4451 | || i.tm.extension_opcode == 3 | |
4452 | || i.tm.extension_opcode == 6 | |
4453 | || i.tm.extension_opcode == 7)) | |
4454 | return 0; | |
4455 | ||
4456 | /* Skip fisttp, fist, fistp, fstp. */ | |
4457 | if (i.tm.base_opcode == 0xdb | |
4458 | && (i.tm.extension_opcode == 1 | |
4459 | || i.tm.extension_opcode == 2 | |
4460 | || i.tm.extension_opcode == 3 | |
4461 | || i.tm.extension_opcode == 7)) | |
4462 | return 0; | |
4463 | ||
4464 | /* Skip fisttp, fst, fstp, fsave, fstsw. */ | |
4465 | if (i.tm.base_opcode == 0xdd | |
4466 | && (i.tm.extension_opcode == 1 | |
4467 | || i.tm.extension_opcode == 2 | |
4468 | || i.tm.extension_opcode == 3 | |
4469 | || i.tm.extension_opcode == 6 | |
4470 | || i.tm.extension_opcode == 7)) | |
4471 | return 0; | |
4472 | ||
4473 | /* Skip fisttp, fist, fistp, fbstp, fistp. */ | |
4474 | if (i.tm.base_opcode == 0xdf | |
4475 | && (i.tm.extension_opcode == 1 | |
4476 | || i.tm.extension_opcode == 2 | |
4477 | || i.tm.extension_opcode == 3 | |
4478 | || i.tm.extension_opcode == 6 | |
4479 | || i.tm.extension_opcode == 7)) | |
4480 | return 0; | |
4481 | ||
4482 | return 1; | |
4483 | } | |
4484 | } | |
4485 | ||
4486 | dest = i.operands - 1; | |
4487 | ||
4488 | /* Check fake imm8 operand and 3 source operands. */ | |
4489 | if ((i.tm.opcode_modifier.immext | |
4490 | || i.tm.opcode_modifier.vexsources == VEX3SOURCES) | |
4491 | && i.types[dest].bitfield.imm8) | |
4492 | dest--; | |
4493 | ||
4494 | /* add, or, adc, sbb, and, sub, xor, cmp, test, xchg, xadd */ | |
4495 | if (!any_vex_p | |
4496 | && (base_opcode == 0x1 | |
4497 | || base_opcode == 0x9 | |
4498 | || base_opcode == 0x11 | |
4499 | || base_opcode == 0x19 | |
4500 | || base_opcode == 0x21 | |
4501 | || base_opcode == 0x29 | |
4502 | || base_opcode == 0x31 | |
4503 | || base_opcode == 0x39 | |
4504 | || (i.tm.base_opcode >= 0x84 && i.tm.base_opcode <= 0x87) | |
4505 | || base_opcode == 0xfc1)) | |
4506 | return 1; | |
4507 | ||
4508 | /* Check for load instruction. */ | |
4509 | return (i.types[dest].bitfield.class != ClassNone | |
4510 | || i.types[dest].bitfield.instance == Accum); | |
4511 | } | |
4512 | ||
4513 | /* Output lfence, 0xfaee8, after instruction. */ | |
4514 | ||
4515 | static void | |
4516 | insert_lfence_after (void) | |
4517 | { | |
4518 | if (lfence_after_load && load_insn_p ()) | |
4519 | { | |
a09f656b | 4520 | /* There are also two REP string instructions that require |
4521 | special treatment. Specifically, the compare string (CMPS) | |
4522 | and scan string (SCAS) instructions set EFLAGS in a manner | |
4523 | that depends on the data being compared/scanned. When used | |
4524 | with a REP prefix, the number of iterations may therefore | |
4525 | vary depending on this data. If the data is a program secret | |
4526 | chosen by the adversary using an LVI method, | |
4527 | then this data-dependent behavior may leak some aspect | |
4528 | of the secret. */ | |
4529 | if (((i.tm.base_opcode | 0x1) == 0xa7 | |
4530 | || (i.tm.base_opcode | 0x1) == 0xaf) | |
4531 | && i.prefix[REP_PREFIX]) | |
4532 | { | |
4533 | as_warn (_("`%s` changes flags which would affect control flow behavior"), | |
4534 | i.tm.name); | |
4535 | } | |
ae531041 L |
4536 | char *p = frag_more (3); |
4537 | *p++ = 0xf; | |
4538 | *p++ = 0xae; | |
4539 | *p = 0xe8; | |
4540 | } | |
4541 | } | |
4542 | ||
4543 | /* Output lfence, 0xfaee8, before instruction. */ | |
4544 | ||
4545 | static void | |
4546 | insert_lfence_before (void) | |
4547 | { | |
4548 | char *p; | |
4549 | ||
4550 | if (is_any_vex_encoding (&i.tm)) | |
4551 | return; | |
4552 | ||
4553 | if (i.tm.base_opcode == 0xff | |
4554 | && (i.tm.extension_opcode == 2 || i.tm.extension_opcode == 4)) | |
4555 | { | |
4556 | /* Insert lfence before indirect branch if needed. */ | |
4557 | ||
4558 | if (lfence_before_indirect_branch == lfence_branch_none) | |
4559 | return; | |
4560 | ||
4561 | if (i.operands != 1) | |
4562 | abort (); | |
4563 | ||
4564 | if (i.reg_operands == 1) | |
4565 | { | |
4566 | /* Indirect branch via register. Don't insert lfence with | |
4567 | -mlfence-after-load=yes. */ | |
4568 | if (lfence_after_load | |
4569 | || lfence_before_indirect_branch == lfence_branch_memory) | |
4570 | return; | |
4571 | } | |
4572 | else if (i.mem_operands == 1 | |
4573 | && lfence_before_indirect_branch != lfence_branch_register) | |
4574 | { | |
4575 | as_warn (_("indirect `%s` with memory operand should be avoided"), | |
4576 | i.tm.name); | |
4577 | return; | |
4578 | } | |
4579 | else | |
4580 | return; | |
4581 | ||
4582 | if (last_insn.kind != last_insn_other | |
4583 | && last_insn.seg == now_seg) | |
4584 | { | |
4585 | as_warn_where (last_insn.file, last_insn.line, | |
4586 | _("`%s` skips -mlfence-before-indirect-branch on `%s`"), | |
4587 | last_insn.name, i.tm.name); | |
4588 | return; | |
4589 | } | |
4590 | ||
4591 | p = frag_more (3); | |
4592 | *p++ = 0xf; | |
4593 | *p++ = 0xae; | |
4594 | *p = 0xe8; | |
4595 | return; | |
4596 | } | |
4597 | ||
503648e4 | 4598 | /* Output or/not/shl and lfence before near ret. */ |
ae531041 L |
4599 | if (lfence_before_ret != lfence_before_ret_none |
4600 | && (i.tm.base_opcode == 0xc2 | |
503648e4 | 4601 | || i.tm.base_opcode == 0xc3)) |
ae531041 L |
4602 | { |
4603 | if (last_insn.kind != last_insn_other | |
4604 | && last_insn.seg == now_seg) | |
4605 | { | |
4606 | as_warn_where (last_insn.file, last_insn.line, | |
4607 | _("`%s` skips -mlfence-before-ret on `%s`"), | |
4608 | last_insn.name, i.tm.name); | |
4609 | return; | |
4610 | } | |
a09f656b | 4611 | |
a09f656b | 4612 | /* Near ret ingore operand size override under CPU64. */ |
503648e4 | 4613 | char prefix = flag_code == CODE_64BIT |
4614 | ? 0x48 | |
4615 | : i.prefix[DATA_PREFIX] ? 0x66 : 0x0; | |
a09f656b | 4616 | |
4617 | if (lfence_before_ret == lfence_before_ret_not) | |
4618 | { | |
4619 | /* not: 0xf71424, may add prefix | |
4620 | for operand size override or 64-bit code. */ | |
4621 | p = frag_more ((prefix ? 2 : 0) + 6 + 3); | |
4622 | if (prefix) | |
4623 | *p++ = prefix; | |
ae531041 L |
4624 | *p++ = 0xf7; |
4625 | *p++ = 0x14; | |
4626 | *p++ = 0x24; | |
a09f656b | 4627 | if (prefix) |
4628 | *p++ = prefix; | |
ae531041 L |
4629 | *p++ = 0xf7; |
4630 | *p++ = 0x14; | |
4631 | *p++ = 0x24; | |
4632 | } | |
a09f656b | 4633 | else |
4634 | { | |
4635 | p = frag_more ((prefix ? 1 : 0) + 4 + 3); | |
4636 | if (prefix) | |
4637 | *p++ = prefix; | |
4638 | if (lfence_before_ret == lfence_before_ret_or) | |
4639 | { | |
4640 | /* or: 0x830c2400, may add prefix | |
4641 | for operand size override or 64-bit code. */ | |
4642 | *p++ = 0x83; | |
4643 | *p++ = 0x0c; | |
4644 | } | |
4645 | else | |
4646 | { | |
4647 | /* shl: 0xc1242400, may add prefix | |
4648 | for operand size override or 64-bit code. */ | |
4649 | *p++ = 0xc1; | |
4650 | *p++ = 0x24; | |
4651 | } | |
4652 | ||
4653 | *p++ = 0x24; | |
4654 | *p++ = 0x0; | |
4655 | } | |
4656 | ||
ae531041 L |
4657 | *p++ = 0xf; |
4658 | *p++ = 0xae; | |
4659 | *p = 0xe8; | |
4660 | } | |
4661 | } | |
4662 | ||
252b5132 RH |
4663 | /* This is the guts of the machine-dependent assembler. LINE points to a |
4664 | machine dependent instruction. This function is supposed to emit | |
4665 | the frags/bytes it assembles to. */ | |
4666 | ||
4667 | void | |
65da13b5 | 4668 | md_assemble (char *line) |
252b5132 | 4669 | { |
40fb9820 | 4670 | unsigned int j; |
83b16ac6 | 4671 | char mnemonic[MAX_MNEM_SIZE], mnem_suffix; |
d3ce72d0 | 4672 | const insn_template *t; |
252b5132 | 4673 | |
47926f60 | 4674 | /* Initialize globals. */ |
252b5132 RH |
4675 | memset (&i, '\0', sizeof (i)); |
4676 | for (j = 0; j < MAX_OPERANDS; j++) | |
1ae12ab7 | 4677 | i.reloc[j] = NO_RELOC; |
252b5132 RH |
4678 | memset (disp_expressions, '\0', sizeof (disp_expressions)); |
4679 | memset (im_expressions, '\0', sizeof (im_expressions)); | |
ce8a8b2f | 4680 | save_stack_p = save_stack; |
252b5132 RH |
4681 | |
4682 | /* First parse an instruction mnemonic & call i386_operand for the operands. | |
4683 | We assume that the scrubber has arranged it so that line[0] is the valid | |
47926f60 | 4684 | start of a (possibly prefixed) mnemonic. */ |
252b5132 | 4685 | |
29b0f896 AM |
4686 | line = parse_insn (line, mnemonic); |
4687 | if (line == NULL) | |
4688 | return; | |
83b16ac6 | 4689 | mnem_suffix = i.suffix; |
252b5132 | 4690 | |
29b0f896 | 4691 | line = parse_operands (line, mnemonic); |
ee86248c | 4692 | this_operand = -1; |
8325cc63 JB |
4693 | xfree (i.memop1_string); |
4694 | i.memop1_string = NULL; | |
29b0f896 AM |
4695 | if (line == NULL) |
4696 | return; | |
252b5132 | 4697 | |
29b0f896 AM |
4698 | /* Now we've parsed the mnemonic into a set of templates, and have the |
4699 | operands at hand. */ | |
4700 | ||
b630c145 JB |
4701 | /* All Intel opcodes have reversed operands except for "bound", "enter", |
4702 | "monitor*", "mwait*", "tpause", and "umwait". We also don't reverse | |
4703 | intersegment "jmp" and "call" instructions with 2 immediate operands so | |
4704 | that the immediate segment precedes the offset, as it does when in AT&T | |
4705 | mode. */ | |
4d456e3d L |
4706 | if (intel_syntax |
4707 | && i.operands > 1 | |
29b0f896 | 4708 | && (strcmp (mnemonic, "bound") != 0) |
30123838 | 4709 | && (strcmp (mnemonic, "invlpga") != 0) |
eedb0f2c JB |
4710 | && (strncmp (mnemonic, "monitor", 7) != 0) |
4711 | && (strncmp (mnemonic, "mwait", 5) != 0) | |
b630c145 JB |
4712 | && (strcmp (mnemonic, "tpause") != 0) |
4713 | && (strcmp (mnemonic, "umwait") != 0) | |
40fb9820 L |
4714 | && !(operand_type_check (i.types[0], imm) |
4715 | && operand_type_check (i.types[1], imm))) | |
29b0f896 AM |
4716 | swap_operands (); |
4717 | ||
ec56d5c0 JB |
4718 | /* The order of the immediates should be reversed |
4719 | for 2 immediates extrq and insertq instructions */ | |
4720 | if (i.imm_operands == 2 | |
4721 | && (strcmp (mnemonic, "extrq") == 0 | |
4722 | || strcmp (mnemonic, "insertq") == 0)) | |
4723 | swap_2_operands (0, 1); | |
4724 | ||
29b0f896 AM |
4725 | if (i.imm_operands) |
4726 | optimize_imm (); | |
4727 | ||
b300c311 L |
4728 | /* Don't optimize displacement for movabs since it only takes 64bit |
4729 | displacement. */ | |
4730 | if (i.disp_operands | |
a501d77e | 4731 | && i.disp_encoding != disp_encoding_32bit |
862be3fb L |
4732 | && (flag_code != CODE_64BIT |
4733 | || strcmp (mnemonic, "movabs") != 0)) | |
4734 | optimize_disp (); | |
29b0f896 AM |
4735 | |
4736 | /* Next, we find a template that matches the given insn, | |
4737 | making sure the overlap of the given operands types is consistent | |
4738 | with the template operand types. */ | |
252b5132 | 4739 | |
83b16ac6 | 4740 | if (!(t = match_template (mnem_suffix))) |
29b0f896 | 4741 | return; |
252b5132 | 4742 | |
7bab8ab5 | 4743 | if (sse_check != check_none |
81f8a913 | 4744 | && !i.tm.opcode_modifier.noavx |
6e3e5c9e | 4745 | && !i.tm.cpu_flags.bitfield.cpuavx |
569d50f1 | 4746 | && !i.tm.cpu_flags.bitfield.cpuavx512f |
daf50ae7 L |
4747 | && (i.tm.cpu_flags.bitfield.cpusse |
4748 | || i.tm.cpu_flags.bitfield.cpusse2 | |
4749 | || i.tm.cpu_flags.bitfield.cpusse3 | |
4750 | || i.tm.cpu_flags.bitfield.cpussse3 | |
4751 | || i.tm.cpu_flags.bitfield.cpusse4_1 | |
6e3e5c9e | 4752 | || i.tm.cpu_flags.bitfield.cpusse4_2 |
569d50f1 | 4753 | || i.tm.cpu_flags.bitfield.cpusse4a |
6e3e5c9e JB |
4754 | || i.tm.cpu_flags.bitfield.cpupclmul |
4755 | || i.tm.cpu_flags.bitfield.cpuaes | |
569d50f1 | 4756 | || i.tm.cpu_flags.bitfield.cpusha |
6e3e5c9e | 4757 | || i.tm.cpu_flags.bitfield.cpugfni)) |
daf50ae7 | 4758 | { |
7bab8ab5 | 4759 | (sse_check == check_warning |
daf50ae7 L |
4760 | ? as_warn |
4761 | : as_bad) (_("SSE instruction `%s' is used"), i.tm.name); | |
4762 | } | |
4763 | ||
40fb9820 | 4764 | if (i.tm.opcode_modifier.fwait) |
29b0f896 AM |
4765 | if (!add_prefix (FWAIT_OPCODE)) |
4766 | return; | |
252b5132 | 4767 | |
d5de92cf L |
4768 | /* Check if REP prefix is OK. */ |
4769 | if (i.rep_prefix && !i.tm.opcode_modifier.repprefixok) | |
4770 | { | |
4771 | as_bad (_("invalid instruction `%s' after `%s'"), | |
4772 | i.tm.name, i.rep_prefix); | |
4773 | return; | |
4774 | } | |
4775 | ||
c1ba0266 L |
4776 | /* Check for lock without a lockable instruction. Destination operand |
4777 | must be memory unless it is xchg (0x86). */ | |
c32fa91d L |
4778 | if (i.prefix[LOCK_PREFIX] |
4779 | && (!i.tm.opcode_modifier.islockable | |
c1ba0266 L |
4780 | || i.mem_operands == 0 |
4781 | || (i.tm.base_opcode != 0x86 | |
8dc0818e | 4782 | && !(i.flags[i.operands - 1] & Operand_Mem)))) |
c32fa91d L |
4783 | { |
4784 | as_bad (_("expecting lockable instruction after `lock'")); | |
4785 | return; | |
4786 | } | |
4787 | ||
7a8655d2 JB |
4788 | /* Check for data size prefix on VEX/XOP/EVEX encoded insns. */ |
4789 | if (i.prefix[DATA_PREFIX] && is_any_vex_encoding (&i.tm)) | |
4790 | { | |
4791 | as_bad (_("data size prefix invalid with `%s'"), i.tm.name); | |
4792 | return; | |
4793 | } | |
4794 | ||
42164a71 | 4795 | /* Check if HLE prefix is OK. */ |
165de32a | 4796 | if (i.hle_prefix && !check_hle ()) |
42164a71 L |
4797 | return; |
4798 | ||
7e8b059b L |
4799 | /* Check BND prefix. */ |
4800 | if (i.bnd_prefix && !i.tm.opcode_modifier.bndprefixok) | |
4801 | as_bad (_("expecting valid branch instruction after `bnd'")); | |
4802 | ||
04ef582a | 4803 | /* Check NOTRACK prefix. */ |
9fef80d6 L |
4804 | if (i.notrack_prefix && !i.tm.opcode_modifier.notrackprefixok) |
4805 | as_bad (_("expecting indirect branch instruction after `notrack'")); | |
04ef582a | 4806 | |
327e8c42 JB |
4807 | if (i.tm.cpu_flags.bitfield.cpumpx) |
4808 | { | |
4809 | if (flag_code == CODE_64BIT && i.prefix[ADDR_PREFIX]) | |
4810 | as_bad (_("32-bit address isn't allowed in 64-bit MPX instructions.")); | |
4811 | else if (flag_code != CODE_16BIT | |
4812 | ? i.prefix[ADDR_PREFIX] | |
4813 | : i.mem_operands && !i.prefix[ADDR_PREFIX]) | |
4814 | as_bad (_("16-bit address isn't allowed in MPX instructions")); | |
4815 | } | |
7e8b059b L |
4816 | |
4817 | /* Insert BND prefix. */ | |
76d3a78a JB |
4818 | if (add_bnd_prefix && i.tm.opcode_modifier.bndprefixok) |
4819 | { | |
4820 | if (!i.prefix[BND_PREFIX]) | |
4821 | add_prefix (BND_PREFIX_OPCODE); | |
4822 | else if (i.prefix[BND_PREFIX] != BND_PREFIX_OPCODE) | |
4823 | { | |
4824 | as_warn (_("replacing `rep'/`repe' prefix by `bnd'")); | |
4825 | i.prefix[BND_PREFIX] = BND_PREFIX_OPCODE; | |
4826 | } | |
4827 | } | |
7e8b059b | 4828 | |
29b0f896 | 4829 | /* Check string instruction segment overrides. */ |
51c8edf6 | 4830 | if (i.tm.opcode_modifier.isstring >= IS_STRING_ES_OP0) |
29b0f896 | 4831 | { |
51c8edf6 | 4832 | gas_assert (i.mem_operands); |
29b0f896 | 4833 | if (!check_string ()) |
5dd0794d | 4834 | return; |
fc0763e6 | 4835 | i.disp_operands = 0; |
29b0f896 | 4836 | } |
5dd0794d | 4837 | |
b6f8c7c4 L |
4838 | if (optimize && !i.no_optimize && i.tm.opcode_modifier.optimize) |
4839 | optimize_encoding (); | |
4840 | ||
29b0f896 AM |
4841 | if (!process_suffix ()) |
4842 | return; | |
e413e4e9 | 4843 | |
bc0844ae L |
4844 | /* Update operand types. */ |
4845 | for (j = 0; j < i.operands; j++) | |
4846 | i.types[j] = operand_type_and (i.types[j], i.tm.operand_types[j]); | |
4847 | ||
29b0f896 AM |
4848 | /* Make still unresolved immediate matches conform to size of immediate |
4849 | given in i.suffix. */ | |
4850 | if (!finalize_imm ()) | |
4851 | return; | |
252b5132 | 4852 | |
40fb9820 | 4853 | if (i.types[0].bitfield.imm1) |
29b0f896 | 4854 | i.imm_operands = 0; /* kludge for shift insns. */ |
252b5132 | 4855 | |
9afe6eb8 L |
4856 | /* We only need to check those implicit registers for instructions |
4857 | with 3 operands or less. */ | |
4858 | if (i.operands <= 3) | |
4859 | for (j = 0; j < i.operands; j++) | |
75e5731b JB |
4860 | if (i.types[j].bitfield.instance != InstanceNone |
4861 | && !i.types[j].bitfield.xmmword) | |
9afe6eb8 | 4862 | i.reg_operands--; |
40fb9820 | 4863 | |
c0f3af97 L |
4864 | /* ImmExt should be processed after SSE2AVX. */ |
4865 | if (!i.tm.opcode_modifier.sse2avx | |
4866 | && i.tm.opcode_modifier.immext) | |
65da13b5 | 4867 | process_immext (); |
252b5132 | 4868 | |
29b0f896 AM |
4869 | /* For insns with operands there are more diddles to do to the opcode. */ |
4870 | if (i.operands) | |
4871 | { | |
4872 | if (!process_operands ()) | |
4873 | return; | |
4874 | } | |
40fb9820 | 4875 | else if (!quiet_warnings && i.tm.opcode_modifier.ugh) |
29b0f896 AM |
4876 | { |
4877 | /* UnixWare fsub no args is alias for fsubp, fadd -> faddp, etc. */ | |
4878 | as_warn (_("translating to `%sp'"), i.tm.name); | |
4879 | } | |
252b5132 | 4880 | |
7a8655d2 | 4881 | if (is_any_vex_encoding (&i.tm)) |
9e5e5283 | 4882 | { |
c1dc7af5 | 4883 | if (!cpu_arch_flags.bitfield.cpui286) |
9e5e5283 | 4884 | { |
c1dc7af5 | 4885 | as_bad (_("instruction `%s' isn't supported outside of protected mode."), |
9e5e5283 L |
4886 | i.tm.name); |
4887 | return; | |
4888 | } | |
c0f3af97 | 4889 | |
9e5e5283 L |
4890 | if (i.tm.opcode_modifier.vex) |
4891 | build_vex_prefix (t); | |
4892 | else | |
4893 | build_evex_prefix (); | |
4894 | } | |
43234a1e | 4895 | |
5dd85c99 SP |
4896 | /* Handle conversion of 'int $3' --> special int3 insn. XOP or FMA4 |
4897 | instructions may define INT_OPCODE as well, so avoid this corner | |
4898 | case for those instructions that use MODRM. */ | |
4899 | if (i.tm.base_opcode == INT_OPCODE | |
a6461c02 SP |
4900 | && !i.tm.opcode_modifier.modrm |
4901 | && i.op[0].imms->X_add_number == 3) | |
29b0f896 AM |
4902 | { |
4903 | i.tm.base_opcode = INT3_OPCODE; | |
4904 | i.imm_operands = 0; | |
4905 | } | |
252b5132 | 4906 | |
0cfa3eb3 JB |
4907 | if ((i.tm.opcode_modifier.jump == JUMP |
4908 | || i.tm.opcode_modifier.jump == JUMP_BYTE | |
4909 | || i.tm.opcode_modifier.jump == JUMP_DWORD) | |
29b0f896 AM |
4910 | && i.op[0].disps->X_op == O_constant) |
4911 | { | |
4912 | /* Convert "jmp constant" (and "call constant") to a jump (call) to | |
4913 | the absolute address given by the constant. Since ix86 jumps and | |
4914 | calls are pc relative, we need to generate a reloc. */ | |
4915 | i.op[0].disps->X_add_symbol = &abs_symbol; | |
4916 | i.op[0].disps->X_op = O_symbol; | |
4917 | } | |
252b5132 | 4918 | |
29b0f896 AM |
4919 | /* For 8 bit registers we need an empty rex prefix. Also if the |
4920 | instruction already has a prefix, we need to convert old | |
4921 | registers to new ones. */ | |
773f551c | 4922 | |
bab6aec1 | 4923 | if ((i.types[0].bitfield.class == Reg && i.types[0].bitfield.byte |
29b0f896 | 4924 | && (i.op[0].regs->reg_flags & RegRex64) != 0) |
bab6aec1 | 4925 | || (i.types[1].bitfield.class == Reg && i.types[1].bitfield.byte |
29b0f896 | 4926 | && (i.op[1].regs->reg_flags & RegRex64) != 0) |
bab6aec1 JB |
4927 | || (((i.types[0].bitfield.class == Reg && i.types[0].bitfield.byte) |
4928 | || (i.types[1].bitfield.class == Reg && i.types[1].bitfield.byte)) | |
29b0f896 AM |
4929 | && i.rex != 0)) |
4930 | { | |
4931 | int x; | |
726c5dcd | 4932 | |
29b0f896 AM |
4933 | i.rex |= REX_OPCODE; |
4934 | for (x = 0; x < 2; x++) | |
4935 | { | |
4936 | /* Look for 8 bit operand that uses old registers. */ | |
bab6aec1 | 4937 | if (i.types[x].bitfield.class == Reg && i.types[x].bitfield.byte |
29b0f896 | 4938 | && (i.op[x].regs->reg_flags & RegRex64) == 0) |
773f551c | 4939 | { |
3f93af61 | 4940 | gas_assert (!(i.op[x].regs->reg_flags & RegRex)); |
29b0f896 AM |
4941 | /* In case it is "hi" register, give up. */ |
4942 | if (i.op[x].regs->reg_num > 3) | |
a540244d | 4943 | as_bad (_("can't encode register '%s%s' in an " |
4eed87de | 4944 | "instruction requiring REX prefix."), |
a540244d | 4945 | register_prefix, i.op[x].regs->reg_name); |
773f551c | 4946 | |
29b0f896 AM |
4947 | /* Otherwise it is equivalent to the extended register. |
4948 | Since the encoding doesn't change this is merely | |
4949 | cosmetic cleanup for debug output. */ | |
4950 | ||
4951 | i.op[x].regs = i.op[x].regs + 8; | |
773f551c | 4952 | } |
29b0f896 AM |
4953 | } |
4954 | } | |
773f551c | 4955 | |
6b6b6807 L |
4956 | if (i.rex == 0 && i.rex_encoding) |
4957 | { | |
4958 | /* Check if we can add a REX_OPCODE byte. Look for 8 bit operand | |
3f93af61 | 4959 | that uses legacy register. If it is "hi" register, don't add |
6b6b6807 L |
4960 | the REX_OPCODE byte. */ |
4961 | int x; | |
4962 | for (x = 0; x < 2; x++) | |
bab6aec1 | 4963 | if (i.types[x].bitfield.class == Reg |
6b6b6807 L |
4964 | && i.types[x].bitfield.byte |
4965 | && (i.op[x].regs->reg_flags & RegRex64) == 0 | |
4966 | && i.op[x].regs->reg_num > 3) | |
4967 | { | |
3f93af61 | 4968 | gas_assert (!(i.op[x].regs->reg_flags & RegRex)); |
6b6b6807 L |
4969 | i.rex_encoding = FALSE; |
4970 | break; | |
4971 | } | |
4972 | ||
4973 | if (i.rex_encoding) | |
4974 | i.rex = REX_OPCODE; | |
4975 | } | |
4976 | ||
7ab9ffdd | 4977 | if (i.rex != 0) |
29b0f896 AM |
4978 | add_prefix (REX_OPCODE | i.rex); |
4979 | ||
ae531041 L |
4980 | insert_lfence_before (); |
4981 | ||
29b0f896 AM |
4982 | /* We are ready to output the insn. */ |
4983 | output_insn (); | |
e379e5f3 | 4984 | |
ae531041 L |
4985 | insert_lfence_after (); |
4986 | ||
e379e5f3 L |
4987 | last_insn.seg = now_seg; |
4988 | ||
4989 | if (i.tm.opcode_modifier.isprefix) | |
4990 | { | |
4991 | last_insn.kind = last_insn_prefix; | |
4992 | last_insn.name = i.tm.name; | |
4993 | last_insn.file = as_where (&last_insn.line); | |
4994 | } | |
4995 | else | |
4996 | last_insn.kind = last_insn_other; | |
29b0f896 AM |
4997 | } |
4998 | ||
4999 | static char * | |
e3bb37b5 | 5000 | parse_insn (char *line, char *mnemonic) |
29b0f896 AM |
5001 | { |
5002 | char *l = line; | |
5003 | char *token_start = l; | |
5004 | char *mnem_p; | |
5c6af06e | 5005 | int supported; |
d3ce72d0 | 5006 | const insn_template *t; |
b6169b20 | 5007 | char *dot_p = NULL; |
29b0f896 | 5008 | |
29b0f896 AM |
5009 | while (1) |
5010 | { | |
5011 | mnem_p = mnemonic; | |
5012 | while ((*mnem_p = mnemonic_chars[(unsigned char) *l]) != 0) | |
5013 | { | |
b6169b20 L |
5014 | if (*mnem_p == '.') |
5015 | dot_p = mnem_p; | |
29b0f896 AM |
5016 | mnem_p++; |
5017 | if (mnem_p >= mnemonic + MAX_MNEM_SIZE) | |
45288df1 | 5018 | { |
29b0f896 AM |
5019 | as_bad (_("no such instruction: `%s'"), token_start); |
5020 | return NULL; | |
5021 | } | |
5022 | l++; | |
5023 | } | |
5024 | if (!is_space_char (*l) | |
5025 | && *l != END_OF_INSN | |
e44823cf JB |
5026 | && (intel_syntax |
5027 | || (*l != PREFIX_SEPARATOR | |
5028 | && *l != ','))) | |
29b0f896 AM |
5029 | { |
5030 | as_bad (_("invalid character %s in mnemonic"), | |
5031 | output_invalid (*l)); | |
5032 | return NULL; | |
5033 | } | |
5034 | if (token_start == l) | |
5035 | { | |
e44823cf | 5036 | if (!intel_syntax && *l == PREFIX_SEPARATOR) |
29b0f896 AM |
5037 | as_bad (_("expecting prefix; got nothing")); |
5038 | else | |
5039 | as_bad (_("expecting mnemonic; got nothing")); | |
5040 | return NULL; | |
5041 | } | |
45288df1 | 5042 | |
29b0f896 | 5043 | /* Look up instruction (or prefix) via hash table. */ |
d3ce72d0 | 5044 | current_templates = (const templates *) hash_find (op_hash, mnemonic); |
47926f60 | 5045 | |
29b0f896 AM |
5046 | if (*l != END_OF_INSN |
5047 | && (!is_space_char (*l) || l[1] != END_OF_INSN) | |
5048 | && current_templates | |
40fb9820 | 5049 | && current_templates->start->opcode_modifier.isprefix) |
29b0f896 | 5050 | { |
c6fb90c8 | 5051 | if (!cpu_flags_check_cpu64 (current_templates->start->cpu_flags)) |
2dd88dca JB |
5052 | { |
5053 | as_bad ((flag_code != CODE_64BIT | |
5054 | ? _("`%s' is only supported in 64-bit mode") | |
5055 | : _("`%s' is not supported in 64-bit mode")), | |
5056 | current_templates->start->name); | |
5057 | return NULL; | |
5058 | } | |
29b0f896 AM |
5059 | /* If we are in 16-bit mode, do not allow addr16 or data16. |
5060 | Similarly, in 32-bit mode, do not allow addr32 or data32. */ | |
673fe0f0 JB |
5061 | if ((current_templates->start->opcode_modifier.size == SIZE16 |
5062 | || current_templates->start->opcode_modifier.size == SIZE32) | |
29b0f896 | 5063 | && flag_code != CODE_64BIT |
673fe0f0 | 5064 | && ((current_templates->start->opcode_modifier.size == SIZE32) |
29b0f896 AM |
5065 | ^ (flag_code == CODE_16BIT))) |
5066 | { | |
5067 | as_bad (_("redundant %s prefix"), | |
5068 | current_templates->start->name); | |
5069 | return NULL; | |
45288df1 | 5070 | } |
86fa6981 | 5071 | if (current_templates->start->opcode_length == 0) |
29b0f896 | 5072 | { |
86fa6981 L |
5073 | /* Handle pseudo prefixes. */ |
5074 | switch (current_templates->start->base_opcode) | |
5075 | { | |
5076 | case 0x0: | |
5077 | /* {disp8} */ | |
5078 | i.disp_encoding = disp_encoding_8bit; | |
5079 | break; | |
5080 | case 0x1: | |
5081 | /* {disp32} */ | |
5082 | i.disp_encoding = disp_encoding_32bit; | |
5083 | break; | |
5084 | case 0x2: | |
5085 | /* {load} */ | |
5086 | i.dir_encoding = dir_encoding_load; | |
5087 | break; | |
5088 | case 0x3: | |
5089 | /* {store} */ | |
5090 | i.dir_encoding = dir_encoding_store; | |
5091 | break; | |
5092 | case 0x4: | |
42e04b36 L |
5093 | /* {vex} */ |
5094 | i.vec_encoding = vex_encoding_vex; | |
86fa6981 L |
5095 | break; |
5096 | case 0x5: | |
5097 | /* {vex3} */ | |
5098 | i.vec_encoding = vex_encoding_vex3; | |
5099 | break; | |
5100 | case 0x6: | |
5101 | /* {evex} */ | |
5102 | i.vec_encoding = vex_encoding_evex; | |
5103 | break; | |
6b6b6807 L |
5104 | case 0x7: |
5105 | /* {rex} */ | |
5106 | i.rex_encoding = TRUE; | |
5107 | break; | |
b6f8c7c4 L |
5108 | case 0x8: |
5109 | /* {nooptimize} */ | |
5110 | i.no_optimize = TRUE; | |
5111 | break; | |
86fa6981 L |
5112 | default: |
5113 | abort (); | |
5114 | } | |
5115 | } | |
5116 | else | |
5117 | { | |
5118 | /* Add prefix, checking for repeated prefixes. */ | |
4e9ac44a | 5119 | switch (add_prefix (current_templates->start->base_opcode)) |
86fa6981 | 5120 | { |
4e9ac44a L |
5121 | case PREFIX_EXIST: |
5122 | return NULL; | |
5123 | case PREFIX_DS: | |
d777820b | 5124 | if (current_templates->start->cpu_flags.bitfield.cpuibt) |
4e9ac44a L |
5125 | i.notrack_prefix = current_templates->start->name; |
5126 | break; | |
5127 | case PREFIX_REP: | |
5128 | if (current_templates->start->cpu_flags.bitfield.cpuhle) | |
5129 | i.hle_prefix = current_templates->start->name; | |
5130 | else if (current_templates->start->cpu_flags.bitfield.cpumpx) | |
5131 | i.bnd_prefix = current_templates->start->name; | |
5132 | else | |
5133 | i.rep_prefix = current_templates->start->name; | |
5134 | break; | |
5135 | default: | |
5136 | break; | |
86fa6981 | 5137 | } |
29b0f896 AM |
5138 | } |
5139 | /* Skip past PREFIX_SEPARATOR and reset token_start. */ | |
5140 | token_start = ++l; | |
5141 | } | |
5142 | else | |
5143 | break; | |
5144 | } | |
45288df1 | 5145 | |
30a55f88 | 5146 | if (!current_templates) |
b6169b20 | 5147 | { |
07d5e953 JB |
5148 | /* Deprecated functionality (new code should use pseudo-prefixes instead): |
5149 | Check if we should swap operand or force 32bit displacement in | |
f8a5c266 | 5150 | encoding. */ |
30a55f88 | 5151 | if (mnem_p - 2 == dot_p && dot_p[1] == 's') |
64c49ab3 | 5152 | i.dir_encoding = dir_encoding_swap; |
8d63c93e | 5153 | else if (mnem_p - 3 == dot_p |
a501d77e L |
5154 | && dot_p[1] == 'd' |
5155 | && dot_p[2] == '8') | |
5156 | i.disp_encoding = disp_encoding_8bit; | |
8d63c93e | 5157 | else if (mnem_p - 4 == dot_p |
f8a5c266 L |
5158 | && dot_p[1] == 'd' |
5159 | && dot_p[2] == '3' | |
5160 | && dot_p[3] == '2') | |
a501d77e | 5161 | i.disp_encoding = disp_encoding_32bit; |
30a55f88 L |
5162 | else |
5163 | goto check_suffix; | |
5164 | mnem_p = dot_p; | |
5165 | *dot_p = '\0'; | |
d3ce72d0 | 5166 | current_templates = (const templates *) hash_find (op_hash, mnemonic); |
b6169b20 L |
5167 | } |
5168 | ||
29b0f896 AM |
5169 | if (!current_templates) |
5170 | { | |
dc1e8a47 | 5171 | check_suffix: |
1c529385 | 5172 | if (mnem_p > mnemonic) |
29b0f896 | 5173 | { |
1c529385 LH |
5174 | /* See if we can get a match by trimming off a suffix. */ |
5175 | switch (mnem_p[-1]) | |
29b0f896 | 5176 | { |
1c529385 LH |
5177 | case WORD_MNEM_SUFFIX: |
5178 | if (intel_syntax && (intel_float_operand (mnemonic) & 2)) | |
29b0f896 AM |
5179 | i.suffix = SHORT_MNEM_SUFFIX; |
5180 | else | |
1c529385 LH |
5181 | /* Fall through. */ |
5182 | case BYTE_MNEM_SUFFIX: | |
5183 | case QWORD_MNEM_SUFFIX: | |
5184 | i.suffix = mnem_p[-1]; | |
29b0f896 | 5185 | mnem_p[-1] = '\0'; |
d3ce72d0 | 5186 | current_templates = (const templates *) hash_find (op_hash, |
1c529385 LH |
5187 | mnemonic); |
5188 | break; | |
5189 | case SHORT_MNEM_SUFFIX: | |
5190 | case LONG_MNEM_SUFFIX: | |
5191 | if (!intel_syntax) | |
5192 | { | |
5193 | i.suffix = mnem_p[-1]; | |
5194 | mnem_p[-1] = '\0'; | |
5195 | current_templates = (const templates *) hash_find (op_hash, | |
5196 | mnemonic); | |
5197 | } | |
5198 | break; | |
5199 | ||
5200 | /* Intel Syntax. */ | |
5201 | case 'd': | |
5202 | if (intel_syntax) | |
5203 | { | |
5204 | if (intel_float_operand (mnemonic) == 1) | |
5205 | i.suffix = SHORT_MNEM_SUFFIX; | |
5206 | else | |
5207 | i.suffix = LONG_MNEM_SUFFIX; | |
5208 | mnem_p[-1] = '\0'; | |
5209 | current_templates = (const templates *) hash_find (op_hash, | |
5210 | mnemonic); | |
5211 | } | |
5212 | break; | |
29b0f896 | 5213 | } |
29b0f896 | 5214 | } |
1c529385 | 5215 | |
29b0f896 AM |
5216 | if (!current_templates) |
5217 | { | |
5218 | as_bad (_("no such instruction: `%s'"), token_start); | |
5219 | return NULL; | |
5220 | } | |
5221 | } | |
252b5132 | 5222 | |
0cfa3eb3 JB |
5223 | if (current_templates->start->opcode_modifier.jump == JUMP |
5224 | || current_templates->start->opcode_modifier.jump == JUMP_BYTE) | |
29b0f896 AM |
5225 | { |
5226 | /* Check for a branch hint. We allow ",pt" and ",pn" for | |
5227 | predict taken and predict not taken respectively. | |
5228 | I'm not sure that branch hints actually do anything on loop | |
5229 | and jcxz insns (JumpByte) for current Pentium4 chips. They | |
5230 | may work in the future and it doesn't hurt to accept them | |
5231 | now. */ | |
5232 | if (l[0] == ',' && l[1] == 'p') | |
5233 | { | |
5234 | if (l[2] == 't') | |
5235 | { | |
5236 | if (!add_prefix (DS_PREFIX_OPCODE)) | |
5237 | return NULL; | |
5238 | l += 3; | |
5239 | } | |
5240 | else if (l[2] == 'n') | |
5241 | { | |
5242 | if (!add_prefix (CS_PREFIX_OPCODE)) | |
5243 | return NULL; | |
5244 | l += 3; | |
5245 | } | |
5246 | } | |
5247 | } | |
5248 | /* Any other comma loses. */ | |
5249 | if (*l == ',') | |
5250 | { | |
5251 | as_bad (_("invalid character %s in mnemonic"), | |
5252 | output_invalid (*l)); | |
5253 | return NULL; | |
5254 | } | |
252b5132 | 5255 | |
29b0f896 | 5256 | /* Check if instruction is supported on specified architecture. */ |
5c6af06e JB |
5257 | supported = 0; |
5258 | for (t = current_templates->start; t < current_templates->end; ++t) | |
5259 | { | |
c0f3af97 L |
5260 | supported |= cpu_flags_match (t); |
5261 | if (supported == CPU_FLAGS_PERFECT_MATCH) | |
548d0ee6 JB |
5262 | { |
5263 | if (!cpu_arch_flags.bitfield.cpui386 && (flag_code != CODE_16BIT)) | |
5264 | as_warn (_("use .code16 to ensure correct addressing mode")); | |
3629bb00 | 5265 | |
548d0ee6 JB |
5266 | return l; |
5267 | } | |
29b0f896 | 5268 | } |
3629bb00 | 5269 | |
548d0ee6 JB |
5270 | if (!(supported & CPU_FLAGS_64BIT_MATCH)) |
5271 | as_bad (flag_code == CODE_64BIT | |
5272 | ? _("`%s' is not supported in 64-bit mode") | |
5273 | : _("`%s' is only supported in 64-bit mode"), | |
5274 | current_templates->start->name); | |
5275 | else | |
5276 | as_bad (_("`%s' is not supported on `%s%s'"), | |
5277 | current_templates->start->name, | |
5278 | cpu_arch_name ? cpu_arch_name : default_arch, | |
5279 | cpu_sub_arch_name ? cpu_sub_arch_name : ""); | |
252b5132 | 5280 | |
548d0ee6 | 5281 | return NULL; |
29b0f896 | 5282 | } |
252b5132 | 5283 | |
29b0f896 | 5284 | static char * |
e3bb37b5 | 5285 | parse_operands (char *l, const char *mnemonic) |
29b0f896 AM |
5286 | { |
5287 | char *token_start; | |
3138f287 | 5288 | |
29b0f896 AM |
5289 | /* 1 if operand is pending after ','. */ |
5290 | unsigned int expecting_operand = 0; | |
252b5132 | 5291 | |
29b0f896 AM |
5292 | /* Non-zero if operand parens not balanced. */ |
5293 | unsigned int paren_not_balanced; | |
5294 | ||
5295 | while (*l != END_OF_INSN) | |
5296 | { | |
5297 | /* Skip optional white space before operand. */ | |
5298 | if (is_space_char (*l)) | |
5299 | ++l; | |
d02603dc | 5300 | if (!is_operand_char (*l) && *l != END_OF_INSN && *l != '"') |
29b0f896 AM |
5301 | { |
5302 | as_bad (_("invalid character %s before operand %d"), | |
5303 | output_invalid (*l), | |
5304 | i.operands + 1); | |
5305 | return NULL; | |
5306 | } | |
d02603dc | 5307 | token_start = l; /* After white space. */ |
29b0f896 AM |
5308 | paren_not_balanced = 0; |
5309 | while (paren_not_balanced || *l != ',') | |
5310 | { | |
5311 | if (*l == END_OF_INSN) | |
5312 | { | |
5313 | if (paren_not_balanced) | |
5314 | { | |
5315 | if (!intel_syntax) | |
5316 | as_bad (_("unbalanced parenthesis in operand %d."), | |
5317 | i.operands + 1); | |
5318 | else | |
5319 | as_bad (_("unbalanced brackets in operand %d."), | |
5320 | i.operands + 1); | |
5321 | return NULL; | |
5322 | } | |
5323 | else | |
5324 | break; /* we are done */ | |
5325 | } | |
d02603dc | 5326 | else if (!is_operand_char (*l) && !is_space_char (*l) && *l != '"') |
29b0f896 AM |
5327 | { |
5328 | as_bad (_("invalid character %s in operand %d"), | |
5329 | output_invalid (*l), | |
5330 | i.operands + 1); | |
5331 | return NULL; | |
5332 | } | |
5333 | if (!intel_syntax) | |
5334 | { | |
5335 | if (*l == '(') | |
5336 | ++paren_not_balanced; | |
5337 | if (*l == ')') | |
5338 | --paren_not_balanced; | |
5339 | } | |
5340 | else | |
5341 | { | |
5342 | if (*l == '[') | |
5343 | ++paren_not_balanced; | |
5344 | if (*l == ']') | |
5345 | --paren_not_balanced; | |
5346 | } | |
5347 | l++; | |
5348 | } | |
5349 | if (l != token_start) | |
5350 | { /* Yes, we've read in another operand. */ | |
5351 | unsigned int operand_ok; | |
5352 | this_operand = i.operands++; | |
5353 | if (i.operands > MAX_OPERANDS) | |
5354 | { | |
5355 | as_bad (_("spurious operands; (%d operands/instruction max)"), | |
5356 | MAX_OPERANDS); | |
5357 | return NULL; | |
5358 | } | |
9d46ce34 | 5359 | i.types[this_operand].bitfield.unspecified = 1; |
29b0f896 AM |
5360 | /* Now parse operand adding info to 'i' as we go along. */ |
5361 | END_STRING_AND_SAVE (l); | |
5362 | ||
1286ab78 L |
5363 | if (i.mem_operands > 1) |
5364 | { | |
5365 | as_bad (_("too many memory references for `%s'"), | |
5366 | mnemonic); | |
5367 | return 0; | |
5368 | } | |
5369 | ||
29b0f896 AM |
5370 | if (intel_syntax) |
5371 | operand_ok = | |
5372 | i386_intel_operand (token_start, | |
5373 | intel_float_operand (mnemonic)); | |
5374 | else | |
a7619375 | 5375 | operand_ok = i386_att_operand (token_start); |
29b0f896 AM |
5376 | |
5377 | RESTORE_END_STRING (l); | |
5378 | if (!operand_ok) | |
5379 | return NULL; | |
5380 | } | |
5381 | else | |
5382 | { | |
5383 | if (expecting_operand) | |
5384 | { | |
5385 | expecting_operand_after_comma: | |
5386 | as_bad (_("expecting operand after ','; got nothing")); | |
5387 | return NULL; | |
5388 | } | |
5389 | if (*l == ',') | |
5390 | { | |
5391 | as_bad (_("expecting operand before ','; got nothing")); | |
5392 | return NULL; | |
5393 | } | |
5394 | } | |
7f3f1ea2 | 5395 | |
29b0f896 AM |
5396 | /* Now *l must be either ',' or END_OF_INSN. */ |
5397 | if (*l == ',') | |
5398 | { | |
5399 | if (*++l == END_OF_INSN) | |
5400 | { | |
5401 | /* Just skip it, if it's \n complain. */ | |
5402 | goto expecting_operand_after_comma; | |
5403 | } | |
5404 | expecting_operand = 1; | |
5405 | } | |
5406 | } | |
5407 | return l; | |
5408 | } | |
7f3f1ea2 | 5409 | |
050dfa73 | 5410 | static void |
4d456e3d | 5411 | swap_2_operands (int xchg1, int xchg2) |
050dfa73 MM |
5412 | { |
5413 | union i386_op temp_op; | |
40fb9820 | 5414 | i386_operand_type temp_type; |
c48dadc9 | 5415 | unsigned int temp_flags; |
050dfa73 | 5416 | enum bfd_reloc_code_real temp_reloc; |
4eed87de | 5417 | |
050dfa73 MM |
5418 | temp_type = i.types[xchg2]; |
5419 | i.types[xchg2] = i.types[xchg1]; | |
5420 | i.types[xchg1] = temp_type; | |
c48dadc9 JB |
5421 | |
5422 | temp_flags = i.flags[xchg2]; | |
5423 | i.flags[xchg2] = i.flags[xchg1]; | |
5424 | i.flags[xchg1] = temp_flags; | |
5425 | ||
050dfa73 MM |
5426 | temp_op = i.op[xchg2]; |
5427 | i.op[xchg2] = i.op[xchg1]; | |
5428 | i.op[xchg1] = temp_op; | |
c48dadc9 | 5429 | |
050dfa73 MM |
5430 | temp_reloc = i.reloc[xchg2]; |
5431 | i.reloc[xchg2] = i.reloc[xchg1]; | |
5432 | i.reloc[xchg1] = temp_reloc; | |
43234a1e L |
5433 | |
5434 | if (i.mask) | |
5435 | { | |
5436 | if (i.mask->operand == xchg1) | |
5437 | i.mask->operand = xchg2; | |
5438 | else if (i.mask->operand == xchg2) | |
5439 | i.mask->operand = xchg1; | |
5440 | } | |
5441 | if (i.broadcast) | |
5442 | { | |
5443 | if (i.broadcast->operand == xchg1) | |
5444 | i.broadcast->operand = xchg2; | |
5445 | else if (i.broadcast->operand == xchg2) | |
5446 | i.broadcast->operand = xchg1; | |
5447 | } | |
5448 | if (i.rounding) | |
5449 | { | |
5450 | if (i.rounding->operand == xchg1) | |
5451 | i.rounding->operand = xchg2; | |
5452 | else if (i.rounding->operand == xchg2) | |
5453 | i.rounding->operand = xchg1; | |
5454 | } | |
050dfa73 MM |
5455 | } |
5456 | ||
29b0f896 | 5457 | static void |
e3bb37b5 | 5458 | swap_operands (void) |
29b0f896 | 5459 | { |
b7c61d9a | 5460 | switch (i.operands) |
050dfa73 | 5461 | { |
c0f3af97 | 5462 | case 5: |
b7c61d9a | 5463 | case 4: |
4d456e3d | 5464 | swap_2_operands (1, i.operands - 2); |
1a0670f3 | 5465 | /* Fall through. */ |
b7c61d9a L |
5466 | case 3: |
5467 | case 2: | |
4d456e3d | 5468 | swap_2_operands (0, i.operands - 1); |
b7c61d9a L |
5469 | break; |
5470 | default: | |
5471 | abort (); | |
29b0f896 | 5472 | } |
29b0f896 AM |
5473 | |
5474 | if (i.mem_operands == 2) | |
5475 | { | |
5476 | const seg_entry *temp_seg; | |
5477 | temp_seg = i.seg[0]; | |
5478 | i.seg[0] = i.seg[1]; | |
5479 | i.seg[1] = temp_seg; | |
5480 | } | |
5481 | } | |
252b5132 | 5482 | |
29b0f896 AM |
5483 | /* Try to ensure constant immediates are represented in the smallest |
5484 | opcode possible. */ | |
5485 | static void | |
e3bb37b5 | 5486 | optimize_imm (void) |
29b0f896 AM |
5487 | { |
5488 | char guess_suffix = 0; | |
5489 | int op; | |
252b5132 | 5490 | |
29b0f896 AM |
5491 | if (i.suffix) |
5492 | guess_suffix = i.suffix; | |
5493 | else if (i.reg_operands) | |
5494 | { | |
5495 | /* Figure out a suffix from the last register operand specified. | |
75e5731b JB |
5496 | We can't do this properly yet, i.e. excluding special register |
5497 | instances, but the following works for instructions with | |
5498 | immediates. In any case, we can't set i.suffix yet. */ | |
29b0f896 | 5499 | for (op = i.operands; --op >= 0;) |
bab6aec1 JB |
5500 | if (i.types[op].bitfield.class != Reg) |
5501 | continue; | |
5502 | else if (i.types[op].bitfield.byte) | |
7ab9ffdd | 5503 | { |
40fb9820 L |
5504 | guess_suffix = BYTE_MNEM_SUFFIX; |
5505 | break; | |
5506 | } | |
bab6aec1 | 5507 | else if (i.types[op].bitfield.word) |
252b5132 | 5508 | { |
40fb9820 L |
5509 | guess_suffix = WORD_MNEM_SUFFIX; |
5510 | break; | |
5511 | } | |
bab6aec1 | 5512 | else if (i.types[op].bitfield.dword) |
40fb9820 L |
5513 | { |
5514 | guess_suffix = LONG_MNEM_SUFFIX; | |
5515 | break; | |
5516 | } | |
bab6aec1 | 5517 | else if (i.types[op].bitfield.qword) |
40fb9820 L |
5518 | { |
5519 | guess_suffix = QWORD_MNEM_SUFFIX; | |
29b0f896 | 5520 | break; |
252b5132 | 5521 | } |
29b0f896 AM |
5522 | } |
5523 | else if ((flag_code == CODE_16BIT) ^ (i.prefix[DATA_PREFIX] != 0)) | |
5524 | guess_suffix = WORD_MNEM_SUFFIX; | |
5525 | ||
5526 | for (op = i.operands; --op >= 0;) | |
40fb9820 | 5527 | if (operand_type_check (i.types[op], imm)) |
29b0f896 AM |
5528 | { |
5529 | switch (i.op[op].imms->X_op) | |
252b5132 | 5530 | { |
29b0f896 AM |
5531 | case O_constant: |
5532 | /* If a suffix is given, this operand may be shortened. */ | |
5533 | switch (guess_suffix) | |
252b5132 | 5534 | { |
29b0f896 | 5535 | case LONG_MNEM_SUFFIX: |
40fb9820 L |
5536 | i.types[op].bitfield.imm32 = 1; |
5537 | i.types[op].bitfield.imm64 = 1; | |
29b0f896 AM |
5538 | break; |
5539 | case WORD_MNEM_SUFFIX: | |
40fb9820 L |
5540 | i.types[op].bitfield.imm16 = 1; |
5541 | i.types[op].bitfield.imm32 = 1; | |
5542 | i.types[op].bitfield.imm32s = 1; | |
5543 | i.types[op].bitfield.imm64 = 1; | |
29b0f896 AM |
5544 | break; |
5545 | case BYTE_MNEM_SUFFIX: | |
40fb9820 L |
5546 | i.types[op].bitfield.imm8 = 1; |
5547 | i.types[op].bitfield.imm8s = 1; | |
5548 | i.types[op].bitfield.imm16 = 1; | |
5549 | i.types[op].bitfield.imm32 = 1; | |
5550 | i.types[op].bitfield.imm32s = 1; | |
5551 | i.types[op].bitfield.imm64 = 1; | |
29b0f896 | 5552 | break; |
252b5132 | 5553 | } |
252b5132 | 5554 | |
29b0f896 AM |
5555 | /* If this operand is at most 16 bits, convert it |
5556 | to a signed 16 bit number before trying to see | |
5557 | whether it will fit in an even smaller size. | |
5558 | This allows a 16-bit operand such as $0xffe0 to | |
5559 | be recognised as within Imm8S range. */ | |
40fb9820 | 5560 | if ((i.types[op].bitfield.imm16) |
29b0f896 | 5561 | && (i.op[op].imms->X_add_number & ~(offsetT) 0xffff) == 0) |
252b5132 | 5562 | { |
29b0f896 AM |
5563 | i.op[op].imms->X_add_number = |
5564 | (((i.op[op].imms->X_add_number & 0xffff) ^ 0x8000) - 0x8000); | |
5565 | } | |
a28def75 L |
5566 | #ifdef BFD64 |
5567 | /* Store 32-bit immediate in 64-bit for 64-bit BFD. */ | |
40fb9820 | 5568 | if ((i.types[op].bitfield.imm32) |
29b0f896 AM |
5569 | && ((i.op[op].imms->X_add_number & ~(((offsetT) 2 << 31) - 1)) |
5570 | == 0)) | |
5571 | { | |
5572 | i.op[op].imms->X_add_number = ((i.op[op].imms->X_add_number | |
5573 | ^ ((offsetT) 1 << 31)) | |
5574 | - ((offsetT) 1 << 31)); | |
5575 | } | |
a28def75 | 5576 | #endif |
40fb9820 | 5577 | i.types[op] |
c6fb90c8 L |
5578 | = operand_type_or (i.types[op], |
5579 | smallest_imm_type (i.op[op].imms->X_add_number)); | |
252b5132 | 5580 | |
29b0f896 AM |
5581 | /* We must avoid matching of Imm32 templates when 64bit |
5582 | only immediate is available. */ | |
5583 | if (guess_suffix == QWORD_MNEM_SUFFIX) | |
40fb9820 | 5584 | i.types[op].bitfield.imm32 = 0; |
29b0f896 | 5585 | break; |
252b5132 | 5586 | |
29b0f896 AM |
5587 | case O_absent: |
5588 | case O_register: | |
5589 | abort (); | |
5590 | ||
5591 | /* Symbols and expressions. */ | |
5592 | default: | |
9cd96992 JB |
5593 | /* Convert symbolic operand to proper sizes for matching, but don't |
5594 | prevent matching a set of insns that only supports sizes other | |
5595 | than those matching the insn suffix. */ | |
5596 | { | |
40fb9820 | 5597 | i386_operand_type mask, allowed; |
d3ce72d0 | 5598 | const insn_template *t; |
9cd96992 | 5599 | |
0dfbf9d7 L |
5600 | operand_type_set (&mask, 0); |
5601 | operand_type_set (&allowed, 0); | |
40fb9820 | 5602 | |
4eed87de AM |
5603 | for (t = current_templates->start; |
5604 | t < current_templates->end; | |
5605 | ++t) | |
bab6aec1 JB |
5606 | { |
5607 | allowed = operand_type_or (allowed, t->operand_types[op]); | |
5608 | allowed = operand_type_and (allowed, anyimm); | |
5609 | } | |
9cd96992 JB |
5610 | switch (guess_suffix) |
5611 | { | |
5612 | case QWORD_MNEM_SUFFIX: | |
40fb9820 L |
5613 | mask.bitfield.imm64 = 1; |
5614 | mask.bitfield.imm32s = 1; | |
9cd96992 JB |
5615 | break; |
5616 | case LONG_MNEM_SUFFIX: | |
40fb9820 | 5617 | mask.bitfield.imm32 = 1; |
9cd96992 JB |
5618 | break; |
5619 | case WORD_MNEM_SUFFIX: | |
40fb9820 | 5620 | mask.bitfield.imm16 = 1; |
9cd96992 JB |
5621 | break; |
5622 | case BYTE_MNEM_SUFFIX: | |
40fb9820 | 5623 | mask.bitfield.imm8 = 1; |
9cd96992 JB |
5624 | break; |
5625 | default: | |
9cd96992 JB |
5626 | break; |
5627 | } | |
c6fb90c8 | 5628 | allowed = operand_type_and (mask, allowed); |
0dfbf9d7 | 5629 | if (!operand_type_all_zero (&allowed)) |
c6fb90c8 | 5630 | i.types[op] = operand_type_and (i.types[op], mask); |
9cd96992 | 5631 | } |
29b0f896 | 5632 | break; |
252b5132 | 5633 | } |
29b0f896 AM |
5634 | } |
5635 | } | |
47926f60 | 5636 | |
29b0f896 AM |
5637 | /* Try to use the smallest displacement type too. */ |
5638 | static void | |
e3bb37b5 | 5639 | optimize_disp (void) |
29b0f896 AM |
5640 | { |
5641 | int op; | |
3e73aa7c | 5642 | |
29b0f896 | 5643 | for (op = i.operands; --op >= 0;) |
40fb9820 | 5644 | if (operand_type_check (i.types[op], disp)) |
252b5132 | 5645 | { |
b300c311 | 5646 | if (i.op[op].disps->X_op == O_constant) |
252b5132 | 5647 | { |
91d6fa6a | 5648 | offsetT op_disp = i.op[op].disps->X_add_number; |
29b0f896 | 5649 | |
40fb9820 | 5650 | if (i.types[op].bitfield.disp16 |
91d6fa6a | 5651 | && (op_disp & ~(offsetT) 0xffff) == 0) |
b300c311 L |
5652 | { |
5653 | /* If this operand is at most 16 bits, convert | |
5654 | to a signed 16 bit number and don't use 64bit | |
5655 | displacement. */ | |
91d6fa6a | 5656 | op_disp = (((op_disp & 0xffff) ^ 0x8000) - 0x8000); |
40fb9820 | 5657 | i.types[op].bitfield.disp64 = 0; |
b300c311 | 5658 | } |
a28def75 L |
5659 | #ifdef BFD64 |
5660 | /* Optimize 64-bit displacement to 32-bit for 64-bit BFD. */ | |
40fb9820 | 5661 | if (i.types[op].bitfield.disp32 |
91d6fa6a | 5662 | && (op_disp & ~(((offsetT) 2 << 31) - 1)) == 0) |
b300c311 L |
5663 | { |
5664 | /* If this operand is at most 32 bits, convert | |
5665 | to a signed 32 bit number and don't use 64bit | |
5666 | displacement. */ | |
91d6fa6a NC |
5667 | op_disp &= (((offsetT) 2 << 31) - 1); |
5668 | op_disp = (op_disp ^ ((offsetT) 1 << 31)) - ((addressT) 1 << 31); | |
40fb9820 | 5669 | i.types[op].bitfield.disp64 = 0; |
b300c311 | 5670 | } |
a28def75 | 5671 | #endif |
91d6fa6a | 5672 | if (!op_disp && i.types[op].bitfield.baseindex) |
b300c311 | 5673 | { |
40fb9820 L |
5674 | i.types[op].bitfield.disp8 = 0; |
5675 | i.types[op].bitfield.disp16 = 0; | |
5676 | i.types[op].bitfield.disp32 = 0; | |
5677 | i.types[op].bitfield.disp32s = 0; | |
5678 | i.types[op].bitfield.disp64 = 0; | |
b300c311 L |
5679 | i.op[op].disps = 0; |
5680 | i.disp_operands--; | |
5681 | } | |
5682 | else if (flag_code == CODE_64BIT) | |
5683 | { | |
91d6fa6a | 5684 | if (fits_in_signed_long (op_disp)) |
28a9d8f5 | 5685 | { |
40fb9820 L |
5686 | i.types[op].bitfield.disp64 = 0; |
5687 | i.types[op].bitfield.disp32s = 1; | |
28a9d8f5 | 5688 | } |
0e1147d9 | 5689 | if (i.prefix[ADDR_PREFIX] |
91d6fa6a | 5690 | && fits_in_unsigned_long (op_disp)) |
40fb9820 | 5691 | i.types[op].bitfield.disp32 = 1; |
b300c311 | 5692 | } |
40fb9820 L |
5693 | if ((i.types[op].bitfield.disp32 |
5694 | || i.types[op].bitfield.disp32s | |
5695 | || i.types[op].bitfield.disp16) | |
b5014f7a | 5696 | && fits_in_disp8 (op_disp)) |
40fb9820 | 5697 | i.types[op].bitfield.disp8 = 1; |
252b5132 | 5698 | } |
67a4f2b7 AO |
5699 | else if (i.reloc[op] == BFD_RELOC_386_TLS_DESC_CALL |
5700 | || i.reloc[op] == BFD_RELOC_X86_64_TLSDESC_CALL) | |
5701 | { | |
5702 | fix_new_exp (frag_now, frag_more (0) - frag_now->fr_literal, 0, | |
5703 | i.op[op].disps, 0, i.reloc[op]); | |
40fb9820 L |
5704 | i.types[op].bitfield.disp8 = 0; |
5705 | i.types[op].bitfield.disp16 = 0; | |
5706 | i.types[op].bitfield.disp32 = 0; | |
5707 | i.types[op].bitfield.disp32s = 0; | |
5708 | i.types[op].bitfield.disp64 = 0; | |
67a4f2b7 AO |
5709 | } |
5710 | else | |
b300c311 | 5711 | /* We only support 64bit displacement on constants. */ |
40fb9820 | 5712 | i.types[op].bitfield.disp64 = 0; |
252b5132 | 5713 | } |
29b0f896 AM |
5714 | } |
5715 | ||
4a1b91ea L |
5716 | /* Return 1 if there is a match in broadcast bytes between operand |
5717 | GIVEN and instruction template T. */ | |
5718 | ||
5719 | static INLINE int | |
5720 | match_broadcast_size (const insn_template *t, unsigned int given) | |
5721 | { | |
5722 | return ((t->opcode_modifier.broadcast == BYTE_BROADCAST | |
5723 | && i.types[given].bitfield.byte) | |
5724 | || (t->opcode_modifier.broadcast == WORD_BROADCAST | |
5725 | && i.types[given].bitfield.word) | |
5726 | || (t->opcode_modifier.broadcast == DWORD_BROADCAST | |
5727 | && i.types[given].bitfield.dword) | |
5728 | || (t->opcode_modifier.broadcast == QWORD_BROADCAST | |
5729 | && i.types[given].bitfield.qword)); | |
5730 | } | |
5731 | ||
6c30d220 L |
5732 | /* Check if operands are valid for the instruction. */ |
5733 | ||
5734 | static int | |
5735 | check_VecOperands (const insn_template *t) | |
5736 | { | |
43234a1e | 5737 | unsigned int op; |
e2195274 | 5738 | i386_cpu_flags cpu; |
e2195274 JB |
5739 | |
5740 | /* Templates allowing for ZMMword as well as YMMword and/or XMMword for | |
5741 | any one operand are implicity requiring AVX512VL support if the actual | |
5742 | operand size is YMMword or XMMword. Since this function runs after | |
5743 | template matching, there's no need to check for YMMword/XMMword in | |
5744 | the template. */ | |
5745 | cpu = cpu_flags_and (t->cpu_flags, avx512); | |
5746 | if (!cpu_flags_all_zero (&cpu) | |
5747 | && !t->cpu_flags.bitfield.cpuavx512vl | |
5748 | && !cpu_arch_flags.bitfield.cpuavx512vl) | |
5749 | { | |
5750 | for (op = 0; op < t->operands; ++op) | |
5751 | { | |
5752 | if (t->operand_types[op].bitfield.zmmword | |
5753 | && (i.types[op].bitfield.ymmword | |
5754 | || i.types[op].bitfield.xmmword)) | |
5755 | { | |
5756 | i.error = unsupported; | |
5757 | return 1; | |
5758 | } | |
5759 | } | |
5760 | } | |
43234a1e | 5761 | |
6c30d220 L |
5762 | /* Without VSIB byte, we can't have a vector register for index. */ |
5763 | if (!t->opcode_modifier.vecsib | |
5764 | && i.index_reg | |
1b54b8d7 JB |
5765 | && (i.index_reg->reg_type.bitfield.xmmword |
5766 | || i.index_reg->reg_type.bitfield.ymmword | |
5767 | || i.index_reg->reg_type.bitfield.zmmword)) | |
6c30d220 L |
5768 | { |
5769 | i.error = unsupported_vector_index_register; | |
5770 | return 1; | |
5771 | } | |
5772 | ||
ad8ecc81 MZ |
5773 | /* Check if default mask is allowed. */ |
5774 | if (t->opcode_modifier.nodefmask | |
5775 | && (!i.mask || i.mask->mask->reg_num == 0)) | |
5776 | { | |
5777 | i.error = no_default_mask; | |
5778 | return 1; | |
5779 | } | |
5780 | ||
7bab8ab5 JB |
5781 | /* For VSIB byte, we need a vector register for index, and all vector |
5782 | registers must be distinct. */ | |
5783 | if (t->opcode_modifier.vecsib) | |
5784 | { | |
5785 | if (!i.index_reg | |
6c30d220 | 5786 | || !((t->opcode_modifier.vecsib == VecSIB128 |
1b54b8d7 | 5787 | && i.index_reg->reg_type.bitfield.xmmword) |
6c30d220 | 5788 | || (t->opcode_modifier.vecsib == VecSIB256 |
1b54b8d7 | 5789 | && i.index_reg->reg_type.bitfield.ymmword) |
43234a1e | 5790 | || (t->opcode_modifier.vecsib == VecSIB512 |
1b54b8d7 | 5791 | && i.index_reg->reg_type.bitfield.zmmword))) |
7bab8ab5 JB |
5792 | { |
5793 | i.error = invalid_vsib_address; | |
5794 | return 1; | |
5795 | } | |
5796 | ||
43234a1e L |
5797 | gas_assert (i.reg_operands == 2 || i.mask); |
5798 | if (i.reg_operands == 2 && !i.mask) | |
5799 | { | |
3528c362 | 5800 | gas_assert (i.types[0].bitfield.class == RegSIMD); |
1b54b8d7 JB |
5801 | gas_assert (i.types[0].bitfield.xmmword |
5802 | || i.types[0].bitfield.ymmword); | |
3528c362 | 5803 | gas_assert (i.types[2].bitfield.class == RegSIMD); |
1b54b8d7 JB |
5804 | gas_assert (i.types[2].bitfield.xmmword |
5805 | || i.types[2].bitfield.ymmword); | |
43234a1e L |
5806 | if (operand_check == check_none) |
5807 | return 0; | |
5808 | if (register_number (i.op[0].regs) | |
5809 | != register_number (i.index_reg) | |
5810 | && register_number (i.op[2].regs) | |
5811 | != register_number (i.index_reg) | |
5812 | && register_number (i.op[0].regs) | |
5813 | != register_number (i.op[2].regs)) | |
5814 | return 0; | |
5815 | if (operand_check == check_error) | |
5816 | { | |
5817 | i.error = invalid_vector_register_set; | |
5818 | return 1; | |
5819 | } | |
5820 | as_warn (_("mask, index, and destination registers should be distinct")); | |
5821 | } | |
8444f82a MZ |
5822 | else if (i.reg_operands == 1 && i.mask) |
5823 | { | |
3528c362 | 5824 | if (i.types[1].bitfield.class == RegSIMD |
1b54b8d7 JB |
5825 | && (i.types[1].bitfield.xmmword |
5826 | || i.types[1].bitfield.ymmword | |
5827 | || i.types[1].bitfield.zmmword) | |
8444f82a MZ |
5828 | && (register_number (i.op[1].regs) |
5829 | == register_number (i.index_reg))) | |
5830 | { | |
5831 | if (operand_check == check_error) | |
5832 | { | |
5833 | i.error = invalid_vector_register_set; | |
5834 | return 1; | |
5835 | } | |
5836 | if (operand_check != check_none) | |
5837 | as_warn (_("index and destination registers should be distinct")); | |
5838 | } | |
5839 | } | |
43234a1e | 5840 | } |
7bab8ab5 | 5841 | |
43234a1e L |
5842 | /* Check if broadcast is supported by the instruction and is applied |
5843 | to the memory operand. */ | |
5844 | if (i.broadcast) | |
5845 | { | |
8e6e0792 | 5846 | i386_operand_type type, overlap; |
43234a1e L |
5847 | |
5848 | /* Check if specified broadcast is supported in this instruction, | |
4a1b91ea | 5849 | and its broadcast bytes match the memory operand. */ |
32546502 | 5850 | op = i.broadcast->operand; |
8e6e0792 | 5851 | if (!t->opcode_modifier.broadcast |
c48dadc9 | 5852 | || !(i.flags[op] & Operand_Mem) |
c39e5b26 | 5853 | || (!i.types[op].bitfield.unspecified |
4a1b91ea | 5854 | && !match_broadcast_size (t, op))) |
43234a1e L |
5855 | { |
5856 | bad_broadcast: | |
5857 | i.error = unsupported_broadcast; | |
5858 | return 1; | |
5859 | } | |
8e6e0792 | 5860 | |
4a1b91ea L |
5861 | i.broadcast->bytes = ((1 << (t->opcode_modifier.broadcast - 1)) |
5862 | * i.broadcast->type); | |
8e6e0792 | 5863 | operand_type_set (&type, 0); |
4a1b91ea | 5864 | switch (i.broadcast->bytes) |
8e6e0792 | 5865 | { |
4a1b91ea L |
5866 | case 2: |
5867 | type.bitfield.word = 1; | |
5868 | break; | |
5869 | case 4: | |
5870 | type.bitfield.dword = 1; | |
5871 | break; | |
8e6e0792 JB |
5872 | case 8: |
5873 | type.bitfield.qword = 1; | |
5874 | break; | |
5875 | case 16: | |
5876 | type.bitfield.xmmword = 1; | |
5877 | break; | |
5878 | case 32: | |
5879 | type.bitfield.ymmword = 1; | |
5880 | break; | |
5881 | case 64: | |
5882 | type.bitfield.zmmword = 1; | |
5883 | break; | |
5884 | default: | |
5885 | goto bad_broadcast; | |
5886 | } | |
5887 | ||
5888 | overlap = operand_type_and (type, t->operand_types[op]); | |
bc49bfd8 JB |
5889 | if (t->operand_types[op].bitfield.class == RegSIMD |
5890 | && t->operand_types[op].bitfield.byte | |
5891 | + t->operand_types[op].bitfield.word | |
5892 | + t->operand_types[op].bitfield.dword | |
5893 | + t->operand_types[op].bitfield.qword > 1) | |
5894 | { | |
5895 | overlap.bitfield.xmmword = 0; | |
5896 | overlap.bitfield.ymmword = 0; | |
5897 | overlap.bitfield.zmmword = 0; | |
5898 | } | |
8e6e0792 JB |
5899 | if (operand_type_all_zero (&overlap)) |
5900 | goto bad_broadcast; | |
5901 | ||
5902 | if (t->opcode_modifier.checkregsize) | |
5903 | { | |
5904 | unsigned int j; | |
5905 | ||
e2195274 | 5906 | type.bitfield.baseindex = 1; |
8e6e0792 JB |
5907 | for (j = 0; j < i.operands; ++j) |
5908 | { | |
5909 | if (j != op | |
5910 | && !operand_type_register_match(i.types[j], | |
5911 | t->operand_types[j], | |
5912 | type, | |
5913 | t->operand_types[op])) | |
5914 | goto bad_broadcast; | |
5915 | } | |
5916 | } | |
43234a1e L |
5917 | } |
5918 | /* If broadcast is supported in this instruction, we need to check if | |
5919 | operand of one-element size isn't specified without broadcast. */ | |
5920 | else if (t->opcode_modifier.broadcast && i.mem_operands) | |
5921 | { | |
5922 | /* Find memory operand. */ | |
5923 | for (op = 0; op < i.operands; op++) | |
8dc0818e | 5924 | if (i.flags[op] & Operand_Mem) |
43234a1e L |
5925 | break; |
5926 | gas_assert (op < i.operands); | |
5927 | /* Check size of the memory operand. */ | |
4a1b91ea | 5928 | if (match_broadcast_size (t, op)) |
43234a1e L |
5929 | { |
5930 | i.error = broadcast_needed; | |
5931 | return 1; | |
5932 | } | |
5933 | } | |
c39e5b26 JB |
5934 | else |
5935 | op = MAX_OPERANDS - 1; /* Avoid uninitialized variable warning. */ | |
43234a1e L |
5936 | |
5937 | /* Check if requested masking is supported. */ | |
ae2387fe | 5938 | if (i.mask) |
43234a1e | 5939 | { |
ae2387fe JB |
5940 | switch (t->opcode_modifier.masking) |
5941 | { | |
5942 | case BOTH_MASKING: | |
5943 | break; | |
5944 | case MERGING_MASKING: | |
5945 | if (i.mask->zeroing) | |
5946 | { | |
5947 | case 0: | |
5948 | i.error = unsupported_masking; | |
5949 | return 1; | |
5950 | } | |
5951 | break; | |
5952 | case DYNAMIC_MASKING: | |
5953 | /* Memory destinations allow only merging masking. */ | |
5954 | if (i.mask->zeroing && i.mem_operands) | |
5955 | { | |
5956 | /* Find memory operand. */ | |
5957 | for (op = 0; op < i.operands; op++) | |
c48dadc9 | 5958 | if (i.flags[op] & Operand_Mem) |
ae2387fe JB |
5959 | break; |
5960 | gas_assert (op < i.operands); | |
5961 | if (op == i.operands - 1) | |
5962 | { | |
5963 | i.error = unsupported_masking; | |
5964 | return 1; | |
5965 | } | |
5966 | } | |
5967 | break; | |
5968 | default: | |
5969 | abort (); | |
5970 | } | |
43234a1e L |
5971 | } |
5972 | ||
5973 | /* Check if masking is applied to dest operand. */ | |
5974 | if (i.mask && (i.mask->operand != (int) (i.operands - 1))) | |
5975 | { | |
5976 | i.error = mask_not_on_destination; | |
5977 | return 1; | |
5978 | } | |
5979 | ||
43234a1e L |
5980 | /* Check RC/SAE. */ |
5981 | if (i.rounding) | |
5982 | { | |
a80195f1 JB |
5983 | if (!t->opcode_modifier.sae |
5984 | || (i.rounding->type != saeonly && !t->opcode_modifier.staticrounding)) | |
43234a1e L |
5985 | { |
5986 | i.error = unsupported_rc_sae; | |
5987 | return 1; | |
5988 | } | |
5989 | /* If the instruction has several immediate operands and one of | |
5990 | them is rounding, the rounding operand should be the last | |
5991 | immediate operand. */ | |
5992 | if (i.imm_operands > 1 | |
5993 | && i.rounding->operand != (int) (i.imm_operands - 1)) | |
7bab8ab5 | 5994 | { |
43234a1e | 5995 | i.error = rc_sae_operand_not_last_imm; |
7bab8ab5 JB |
5996 | return 1; |
5997 | } | |
6c30d220 L |
5998 | } |
5999 | ||
43234a1e | 6000 | /* Check vector Disp8 operand. */ |
b5014f7a JB |
6001 | if (t->opcode_modifier.disp8memshift |
6002 | && i.disp_encoding != disp_encoding_32bit) | |
43234a1e L |
6003 | { |
6004 | if (i.broadcast) | |
4a1b91ea | 6005 | i.memshift = t->opcode_modifier.broadcast - 1; |
7091c612 | 6006 | else if (t->opcode_modifier.disp8memshift != DISP8_SHIFT_VL) |
43234a1e | 6007 | i.memshift = t->opcode_modifier.disp8memshift; |
7091c612 JB |
6008 | else |
6009 | { | |
6010 | const i386_operand_type *type = NULL; | |
6011 | ||
6012 | i.memshift = 0; | |
6013 | for (op = 0; op < i.operands; op++) | |
8dc0818e | 6014 | if (i.flags[op] & Operand_Mem) |
7091c612 | 6015 | { |
4174bfff JB |
6016 | if (t->opcode_modifier.evex == EVEXLIG) |
6017 | i.memshift = 2 + (i.suffix == QWORD_MNEM_SUFFIX); | |
6018 | else if (t->operand_types[op].bitfield.xmmword | |
6019 | + t->operand_types[op].bitfield.ymmword | |
6020 | + t->operand_types[op].bitfield.zmmword <= 1) | |
7091c612 JB |
6021 | type = &t->operand_types[op]; |
6022 | else if (!i.types[op].bitfield.unspecified) | |
6023 | type = &i.types[op]; | |
6024 | } | |
3528c362 | 6025 | else if (i.types[op].bitfield.class == RegSIMD |
4174bfff | 6026 | && t->opcode_modifier.evex != EVEXLIG) |
7091c612 JB |
6027 | { |
6028 | if (i.types[op].bitfield.zmmword) | |
6029 | i.memshift = 6; | |
6030 | else if (i.types[op].bitfield.ymmword && i.memshift < 5) | |
6031 | i.memshift = 5; | |
6032 | else if (i.types[op].bitfield.xmmword && i.memshift < 4) | |
6033 | i.memshift = 4; | |
6034 | } | |
6035 | ||
6036 | if (type) | |
6037 | { | |
6038 | if (type->bitfield.zmmword) | |
6039 | i.memshift = 6; | |
6040 | else if (type->bitfield.ymmword) | |
6041 | i.memshift = 5; | |
6042 | else if (type->bitfield.xmmword) | |
6043 | i.memshift = 4; | |
6044 | } | |
6045 | ||
6046 | /* For the check in fits_in_disp8(). */ | |
6047 | if (i.memshift == 0) | |
6048 | i.memshift = -1; | |
6049 | } | |
43234a1e L |
6050 | |
6051 | for (op = 0; op < i.operands; op++) | |
6052 | if (operand_type_check (i.types[op], disp) | |
6053 | && i.op[op].disps->X_op == O_constant) | |
6054 | { | |
b5014f7a | 6055 | if (fits_in_disp8 (i.op[op].disps->X_add_number)) |
43234a1e | 6056 | { |
b5014f7a JB |
6057 | i.types[op].bitfield.disp8 = 1; |
6058 | return 0; | |
43234a1e | 6059 | } |
b5014f7a | 6060 | i.types[op].bitfield.disp8 = 0; |
43234a1e L |
6061 | } |
6062 | } | |
b5014f7a JB |
6063 | |
6064 | i.memshift = 0; | |
43234a1e | 6065 | |
6c30d220 L |
6066 | return 0; |
6067 | } | |
6068 | ||
43f3e2ee | 6069 | /* Check if operands are valid for the instruction. Update VEX |
a683cc34 SP |
6070 | operand types. */ |
6071 | ||
6072 | static int | |
6073 | VEX_check_operands (const insn_template *t) | |
6074 | { | |
86fa6981 | 6075 | if (i.vec_encoding == vex_encoding_evex) |
43234a1e | 6076 | { |
86fa6981 | 6077 | /* This instruction must be encoded with EVEX prefix. */ |
e771e7c9 | 6078 | if (!is_evex_encoding (t)) |
86fa6981 L |
6079 | { |
6080 | i.error = unsupported; | |
6081 | return 1; | |
6082 | } | |
6083 | return 0; | |
43234a1e L |
6084 | } |
6085 | ||
a683cc34 | 6086 | if (!t->opcode_modifier.vex) |
86fa6981 L |
6087 | { |
6088 | /* This instruction template doesn't have VEX prefix. */ | |
6089 | if (i.vec_encoding != vex_encoding_default) | |
6090 | { | |
6091 | i.error = unsupported; | |
6092 | return 1; | |
6093 | } | |
6094 | return 0; | |
6095 | } | |
a683cc34 | 6096 | |
9d3bf266 JB |
6097 | /* Check the special Imm4 cases; must be the first operand. */ |
6098 | if (t->cpu_flags.bitfield.cpuxop && t->operands == 5) | |
a683cc34 SP |
6099 | { |
6100 | if (i.op[0].imms->X_op != O_constant | |
6101 | || !fits_in_imm4 (i.op[0].imms->X_add_number)) | |
891edac4 | 6102 | { |
a65babc9 | 6103 | i.error = bad_imm4; |
891edac4 L |
6104 | return 1; |
6105 | } | |
a683cc34 | 6106 | |
9d3bf266 JB |
6107 | /* Turn off Imm<N> so that update_imm won't complain. */ |
6108 | operand_type_set (&i.types[0], 0); | |
a683cc34 SP |
6109 | } |
6110 | ||
6111 | return 0; | |
6112 | } | |
6113 | ||
d3ce72d0 | 6114 | static const insn_template * |
83b16ac6 | 6115 | match_template (char mnem_suffix) |
29b0f896 AM |
6116 | { |
6117 | /* Points to template once we've found it. */ | |
d3ce72d0 | 6118 | const insn_template *t; |
40fb9820 | 6119 | i386_operand_type overlap0, overlap1, overlap2, overlap3; |
c0f3af97 | 6120 | i386_operand_type overlap4; |
29b0f896 | 6121 | unsigned int found_reverse_match; |
dc2be329 | 6122 | i386_opcode_modifier suffix_check; |
40fb9820 | 6123 | i386_operand_type operand_types [MAX_OPERANDS]; |
539e75ad | 6124 | int addr_prefix_disp; |
45a4bb20 | 6125 | unsigned int j, size_match, check_register; |
5614d22c | 6126 | enum i386_error specific_error = 0; |
29b0f896 | 6127 | |
c0f3af97 L |
6128 | #if MAX_OPERANDS != 5 |
6129 | # error "MAX_OPERANDS must be 5." | |
f48ff2ae L |
6130 | #endif |
6131 | ||
29b0f896 | 6132 | found_reverse_match = 0; |
539e75ad | 6133 | addr_prefix_disp = -1; |
40fb9820 | 6134 | |
dc2be329 | 6135 | /* Prepare for mnemonic suffix check. */ |
40fb9820 | 6136 | memset (&suffix_check, 0, sizeof (suffix_check)); |
dc2be329 L |
6137 | switch (mnem_suffix) |
6138 | { | |
6139 | case BYTE_MNEM_SUFFIX: | |
6140 | suffix_check.no_bsuf = 1; | |
6141 | break; | |
6142 | case WORD_MNEM_SUFFIX: | |
6143 | suffix_check.no_wsuf = 1; | |
6144 | break; | |
6145 | case SHORT_MNEM_SUFFIX: | |
6146 | suffix_check.no_ssuf = 1; | |
6147 | break; | |
6148 | case LONG_MNEM_SUFFIX: | |
6149 | suffix_check.no_lsuf = 1; | |
6150 | break; | |
6151 | case QWORD_MNEM_SUFFIX: | |
6152 | suffix_check.no_qsuf = 1; | |
6153 | break; | |
6154 | default: | |
6155 | /* NB: In Intel syntax, normally we can check for memory operand | |
6156 | size when there is no mnemonic suffix. But jmp and call have | |
6157 | 2 different encodings with Dword memory operand size, one with | |
6158 | No_ldSuf and the other without. i.suffix is set to | |
6159 | LONG_DOUBLE_MNEM_SUFFIX to skip the one with No_ldSuf. */ | |
6160 | if (i.suffix == LONG_DOUBLE_MNEM_SUFFIX) | |
6161 | suffix_check.no_ldsuf = 1; | |
83b16ac6 JB |
6162 | } |
6163 | ||
01559ecc L |
6164 | /* Must have right number of operands. */ |
6165 | i.error = number_of_operands_mismatch; | |
6166 | ||
45aa61fe | 6167 | for (t = current_templates->start; t < current_templates->end; t++) |
29b0f896 | 6168 | { |
539e75ad | 6169 | addr_prefix_disp = -1; |
dbbc8b7e | 6170 | found_reverse_match = 0; |
539e75ad | 6171 | |
29b0f896 AM |
6172 | if (i.operands != t->operands) |
6173 | continue; | |
6174 | ||
50aecf8c | 6175 | /* Check processor support. */ |
a65babc9 | 6176 | i.error = unsupported; |
45a4bb20 | 6177 | if (cpu_flags_match (t) != CPU_FLAGS_PERFECT_MATCH) |
50aecf8c L |
6178 | continue; |
6179 | ||
e1d4d893 | 6180 | /* Check AT&T mnemonic. */ |
a65babc9 | 6181 | i.error = unsupported_with_intel_mnemonic; |
e1d4d893 | 6182 | if (intel_mnemonic && t->opcode_modifier.attmnemonic) |
1efbbeb4 L |
6183 | continue; |
6184 | ||
4b5aaf5f | 6185 | /* Check AT&T/Intel syntax. */ |
a65babc9 | 6186 | i.error = unsupported_syntax; |
5c07affc | 6187 | if ((intel_syntax && t->opcode_modifier.attsyntax) |
4b5aaf5f | 6188 | || (!intel_syntax && t->opcode_modifier.intelsyntax)) |
1efbbeb4 L |
6189 | continue; |
6190 | ||
4b5aaf5f L |
6191 | /* Check Intel64/AMD64 ISA. */ |
6192 | switch (isa64) | |
6193 | { | |
6194 | default: | |
6195 | /* Default: Don't accept Intel64. */ | |
6196 | if (t->opcode_modifier.isa64 == INTEL64) | |
6197 | continue; | |
6198 | break; | |
6199 | case amd64: | |
6200 | /* -mamd64: Don't accept Intel64 and Intel64 only. */ | |
6201 | if (t->opcode_modifier.isa64 >= INTEL64) | |
6202 | continue; | |
6203 | break; | |
6204 | case intel64: | |
6205 | /* -mintel64: Don't accept AMD64. */ | |
5990e377 | 6206 | if (t->opcode_modifier.isa64 == AMD64 && flag_code == CODE_64BIT) |
4b5aaf5f L |
6207 | continue; |
6208 | break; | |
6209 | } | |
6210 | ||
dc2be329 | 6211 | /* Check the suffix. */ |
a65babc9 | 6212 | i.error = invalid_instruction_suffix; |
dc2be329 L |
6213 | if ((t->opcode_modifier.no_bsuf && suffix_check.no_bsuf) |
6214 | || (t->opcode_modifier.no_wsuf && suffix_check.no_wsuf) | |
6215 | || (t->opcode_modifier.no_lsuf && suffix_check.no_lsuf) | |
6216 | || (t->opcode_modifier.no_ssuf && suffix_check.no_ssuf) | |
6217 | || (t->opcode_modifier.no_qsuf && suffix_check.no_qsuf) | |
6218 | || (t->opcode_modifier.no_ldsuf && suffix_check.no_ldsuf)) | |
83b16ac6 | 6219 | continue; |
29b0f896 | 6220 | |
3ac21baa JB |
6221 | size_match = operand_size_match (t); |
6222 | if (!size_match) | |
7d5e4556 | 6223 | continue; |
539e75ad | 6224 | |
6f2f06be JB |
6225 | /* This is intentionally not |
6226 | ||
0cfa3eb3 | 6227 | if (i.jumpabsolute != (t->opcode_modifier.jump == JUMP_ABSOLUTE)) |
6f2f06be JB |
6228 | |
6229 | as the case of a missing * on the operand is accepted (perhaps with | |
6230 | a warning, issued further down). */ | |
0cfa3eb3 | 6231 | if (i.jumpabsolute && t->opcode_modifier.jump != JUMP_ABSOLUTE) |
6f2f06be JB |
6232 | { |
6233 | i.error = operand_type_mismatch; | |
6234 | continue; | |
6235 | } | |
6236 | ||
5c07affc L |
6237 | for (j = 0; j < MAX_OPERANDS; j++) |
6238 | operand_types[j] = t->operand_types[j]; | |
6239 | ||
e365e234 JB |
6240 | /* In general, don't allow |
6241 | - 64-bit operands outside of 64-bit mode, | |
6242 | - 32-bit operands on pre-386. */ | |
4873e243 | 6243 | j = i.imm_operands + (t->operands > i.imm_operands + 1); |
e365e234 JB |
6244 | if (((i.suffix == QWORD_MNEM_SUFFIX |
6245 | && flag_code != CODE_64BIT | |
6246 | && (t->base_opcode != 0x0fc7 | |
6247 | || t->extension_opcode != 1 /* cmpxchg8b */)) | |
6248 | || (i.suffix == LONG_MNEM_SUFFIX | |
6249 | && !cpu_arch_flags.bitfield.cpui386)) | |
45aa61fe | 6250 | && (intel_syntax |
3cd7f3e3 | 6251 | ? (t->opcode_modifier.mnemonicsize != IGNORESIZE |
45aa61fe AM |
6252 | && !intel_float_operand (t->name)) |
6253 | : intel_float_operand (t->name) != 2) | |
4873e243 JB |
6254 | && (t->operands == i.imm_operands |
6255 | || (operand_types[i.imm_operands].bitfield.class != RegMMX | |
6256 | && operand_types[i.imm_operands].bitfield.class != RegSIMD | |
6257 | && operand_types[i.imm_operands].bitfield.class != RegMask) | |
6258 | || (operand_types[j].bitfield.class != RegMMX | |
6259 | && operand_types[j].bitfield.class != RegSIMD | |
6260 | && operand_types[j].bitfield.class != RegMask)) | |
6261 | && !t->opcode_modifier.vecsib) | |
192dc9c6 JB |
6262 | continue; |
6263 | ||
29b0f896 | 6264 | /* Do not verify operands when there are none. */ |
e365e234 JB |
6265 | if (!t->operands) |
6266 | /* We've found a match; break out of loop. */ | |
6267 | break; | |
252b5132 | 6268 | |
48bcea9f JB |
6269 | if (!t->opcode_modifier.jump |
6270 | || t->opcode_modifier.jump == JUMP_ABSOLUTE) | |
6271 | { | |
6272 | /* There should be only one Disp operand. */ | |
6273 | for (j = 0; j < MAX_OPERANDS; j++) | |
6274 | if (operand_type_check (operand_types[j], disp)) | |
539e75ad | 6275 | break; |
48bcea9f JB |
6276 | if (j < MAX_OPERANDS) |
6277 | { | |
6278 | bfd_boolean override = (i.prefix[ADDR_PREFIX] != 0); | |
6279 | ||
6280 | addr_prefix_disp = j; | |
6281 | ||
6282 | /* Address size prefix will turn Disp64/Disp32S/Disp32/Disp16 | |
6283 | operand into Disp32/Disp32/Disp16/Disp32 operand. */ | |
6284 | switch (flag_code) | |
40fb9820 | 6285 | { |
48bcea9f JB |
6286 | case CODE_16BIT: |
6287 | override = !override; | |
6288 | /* Fall through. */ | |
6289 | case CODE_32BIT: | |
6290 | if (operand_types[j].bitfield.disp32 | |
6291 | && operand_types[j].bitfield.disp16) | |
40fb9820 | 6292 | { |
48bcea9f JB |
6293 | operand_types[j].bitfield.disp16 = override; |
6294 | operand_types[j].bitfield.disp32 = !override; | |
40fb9820 | 6295 | } |
48bcea9f JB |
6296 | operand_types[j].bitfield.disp32s = 0; |
6297 | operand_types[j].bitfield.disp64 = 0; | |
6298 | break; | |
6299 | ||
6300 | case CODE_64BIT: | |
6301 | if (operand_types[j].bitfield.disp32s | |
6302 | || operand_types[j].bitfield.disp64) | |
40fb9820 | 6303 | { |
48bcea9f JB |
6304 | operand_types[j].bitfield.disp64 &= !override; |
6305 | operand_types[j].bitfield.disp32s &= !override; | |
6306 | operand_types[j].bitfield.disp32 = override; | |
40fb9820 | 6307 | } |
48bcea9f JB |
6308 | operand_types[j].bitfield.disp16 = 0; |
6309 | break; | |
40fb9820 | 6310 | } |
539e75ad | 6311 | } |
48bcea9f | 6312 | } |
539e75ad | 6313 | |
02a86693 L |
6314 | /* Force 0x8b encoding for "mov foo@GOT, %eax". */ |
6315 | if (i.reloc[0] == BFD_RELOC_386_GOT32 && t->base_opcode == 0xa0) | |
6316 | continue; | |
6317 | ||
56ffb741 | 6318 | /* We check register size if needed. */ |
e2195274 JB |
6319 | if (t->opcode_modifier.checkregsize) |
6320 | { | |
6321 | check_register = (1 << t->operands) - 1; | |
6322 | if (i.broadcast) | |
6323 | check_register &= ~(1 << i.broadcast->operand); | |
6324 | } | |
6325 | else | |
6326 | check_register = 0; | |
6327 | ||
c6fb90c8 | 6328 | overlap0 = operand_type_and (i.types[0], operand_types[0]); |
29b0f896 AM |
6329 | switch (t->operands) |
6330 | { | |
6331 | case 1: | |
40fb9820 | 6332 | if (!operand_type_match (overlap0, i.types[0])) |
29b0f896 AM |
6333 | continue; |
6334 | break; | |
6335 | case 2: | |
33eaf5de | 6336 | /* xchg %eax, %eax is a special case. It is an alias for nop |
8b38ad71 L |
6337 | only in 32bit mode and we can use opcode 0x90. In 64bit |
6338 | mode, we can't use 0x90 for xchg %eax, %eax since it should | |
6339 | zero-extend %eax to %rax. */ | |
6340 | if (flag_code == CODE_64BIT | |
6341 | && t->base_opcode == 0x90 | |
75e5731b JB |
6342 | && i.types[0].bitfield.instance == Accum |
6343 | && i.types[0].bitfield.dword | |
6344 | && i.types[1].bitfield.instance == Accum | |
6345 | && i.types[1].bitfield.dword) | |
8b38ad71 | 6346 | continue; |
1212781b JB |
6347 | /* xrelease mov %eax, <disp> is another special case. It must not |
6348 | match the accumulator-only encoding of mov. */ | |
6349 | if (flag_code != CODE_64BIT | |
6350 | && i.hle_prefix | |
6351 | && t->base_opcode == 0xa0 | |
75e5731b | 6352 | && i.types[0].bitfield.instance == Accum |
8dc0818e | 6353 | && (i.flags[1] & Operand_Mem)) |
1212781b | 6354 | continue; |
f5eb1d70 JB |
6355 | /* Fall through. */ |
6356 | ||
6357 | case 3: | |
3ac21baa JB |
6358 | if (!(size_match & MATCH_STRAIGHT)) |
6359 | goto check_reverse; | |
64c49ab3 JB |
6360 | /* Reverse direction of operands if swapping is possible in the first |
6361 | place (operands need to be symmetric) and | |
6362 | - the load form is requested, and the template is a store form, | |
6363 | - the store form is requested, and the template is a load form, | |
6364 | - the non-default (swapped) form is requested. */ | |
6365 | overlap1 = operand_type_and (operand_types[0], operand_types[1]); | |
f5eb1d70 | 6366 | if (t->opcode_modifier.d && i.reg_operands == i.operands |
64c49ab3 JB |
6367 | && !operand_type_all_zero (&overlap1)) |
6368 | switch (i.dir_encoding) | |
6369 | { | |
6370 | case dir_encoding_load: | |
6371 | if (operand_type_check (operand_types[i.operands - 1], anymem) | |
dfd69174 | 6372 | || t->opcode_modifier.regmem) |
64c49ab3 JB |
6373 | goto check_reverse; |
6374 | break; | |
6375 | ||
6376 | case dir_encoding_store: | |
6377 | if (!operand_type_check (operand_types[i.operands - 1], anymem) | |
dfd69174 | 6378 | && !t->opcode_modifier.regmem) |
64c49ab3 JB |
6379 | goto check_reverse; |
6380 | break; | |
6381 | ||
6382 | case dir_encoding_swap: | |
6383 | goto check_reverse; | |
6384 | ||
6385 | case dir_encoding_default: | |
6386 | break; | |
6387 | } | |
86fa6981 | 6388 | /* If we want store form, we skip the current load. */ |
64c49ab3 JB |
6389 | if ((i.dir_encoding == dir_encoding_store |
6390 | || i.dir_encoding == dir_encoding_swap) | |
86fa6981 L |
6391 | && i.mem_operands == 0 |
6392 | && t->opcode_modifier.load) | |
fa99fab2 | 6393 | continue; |
1a0670f3 | 6394 | /* Fall through. */ |
f48ff2ae | 6395 | case 4: |
c0f3af97 | 6396 | case 5: |
c6fb90c8 | 6397 | overlap1 = operand_type_and (i.types[1], operand_types[1]); |
40fb9820 L |
6398 | if (!operand_type_match (overlap0, i.types[0]) |
6399 | || !operand_type_match (overlap1, i.types[1]) | |
e2195274 | 6400 | || ((check_register & 3) == 3 |
dc821c5f | 6401 | && !operand_type_register_match (i.types[0], |
40fb9820 | 6402 | operand_types[0], |
dc821c5f | 6403 | i.types[1], |
40fb9820 | 6404 | operand_types[1]))) |
29b0f896 AM |
6405 | { |
6406 | /* Check if other direction is valid ... */ | |
38e314eb | 6407 | if (!t->opcode_modifier.d) |
29b0f896 AM |
6408 | continue; |
6409 | ||
dc1e8a47 | 6410 | check_reverse: |
3ac21baa JB |
6411 | if (!(size_match & MATCH_REVERSE)) |
6412 | continue; | |
29b0f896 | 6413 | /* Try reversing direction of operands. */ |
f5eb1d70 JB |
6414 | overlap0 = operand_type_and (i.types[0], operand_types[i.operands - 1]); |
6415 | overlap1 = operand_type_and (i.types[i.operands - 1], operand_types[0]); | |
40fb9820 | 6416 | if (!operand_type_match (overlap0, i.types[0]) |
f5eb1d70 | 6417 | || !operand_type_match (overlap1, i.types[i.operands - 1]) |
45664ddb | 6418 | || (check_register |
dc821c5f | 6419 | && !operand_type_register_match (i.types[0], |
f5eb1d70 JB |
6420 | operand_types[i.operands - 1], |
6421 | i.types[i.operands - 1], | |
45664ddb | 6422 | operand_types[0]))) |
29b0f896 AM |
6423 | { |
6424 | /* Does not match either direction. */ | |
6425 | continue; | |
6426 | } | |
38e314eb | 6427 | /* found_reverse_match holds which of D or FloatR |
29b0f896 | 6428 | we've found. */ |
38e314eb JB |
6429 | if (!t->opcode_modifier.d) |
6430 | found_reverse_match = 0; | |
6431 | else if (operand_types[0].bitfield.tbyte) | |
8a2ed489 | 6432 | found_reverse_match = Opcode_FloatD; |
dbbc8b7e | 6433 | else if (operand_types[0].bitfield.xmmword |
f5eb1d70 | 6434 | || operand_types[i.operands - 1].bitfield.xmmword |
3528c362 JB |
6435 | || operand_types[0].bitfield.class == RegMMX |
6436 | || operand_types[i.operands - 1].bitfield.class == RegMMX | |
dbbc8b7e JB |
6437 | || is_any_vex_encoding(t)) |
6438 | found_reverse_match = (t->base_opcode & 0xee) != 0x6e | |
6439 | ? Opcode_SIMD_FloatD : Opcode_SIMD_IntD; | |
8a2ed489 | 6440 | else |
38e314eb | 6441 | found_reverse_match = Opcode_D; |
40fb9820 | 6442 | if (t->opcode_modifier.floatr) |
8a2ed489 | 6443 | found_reverse_match |= Opcode_FloatR; |
29b0f896 | 6444 | } |
f48ff2ae | 6445 | else |
29b0f896 | 6446 | { |
f48ff2ae | 6447 | /* Found a forward 2 operand match here. */ |
d1cbb4db L |
6448 | switch (t->operands) |
6449 | { | |
c0f3af97 L |
6450 | case 5: |
6451 | overlap4 = operand_type_and (i.types[4], | |
6452 | operand_types[4]); | |
1a0670f3 | 6453 | /* Fall through. */ |
d1cbb4db | 6454 | case 4: |
c6fb90c8 L |
6455 | overlap3 = operand_type_and (i.types[3], |
6456 | operand_types[3]); | |
1a0670f3 | 6457 | /* Fall through. */ |
d1cbb4db | 6458 | case 3: |
c6fb90c8 L |
6459 | overlap2 = operand_type_and (i.types[2], |
6460 | operand_types[2]); | |
d1cbb4db L |
6461 | break; |
6462 | } | |
29b0f896 | 6463 | |
f48ff2ae L |
6464 | switch (t->operands) |
6465 | { | |
c0f3af97 L |
6466 | case 5: |
6467 | if (!operand_type_match (overlap4, i.types[4]) | |
dc821c5f | 6468 | || !operand_type_register_match (i.types[3], |
c0f3af97 | 6469 | operand_types[3], |
c0f3af97 L |
6470 | i.types[4], |
6471 | operand_types[4])) | |
6472 | continue; | |
1a0670f3 | 6473 | /* Fall through. */ |
f48ff2ae | 6474 | case 4: |
40fb9820 | 6475 | if (!operand_type_match (overlap3, i.types[3]) |
e2195274 JB |
6476 | || ((check_register & 0xa) == 0xa |
6477 | && !operand_type_register_match (i.types[1], | |
f7768225 JB |
6478 | operand_types[1], |
6479 | i.types[3], | |
e2195274 JB |
6480 | operand_types[3])) |
6481 | || ((check_register & 0xc) == 0xc | |
6482 | && !operand_type_register_match (i.types[2], | |
6483 | operand_types[2], | |
6484 | i.types[3], | |
6485 | operand_types[3]))) | |
f48ff2ae | 6486 | continue; |
1a0670f3 | 6487 | /* Fall through. */ |
f48ff2ae L |
6488 | case 3: |
6489 | /* Here we make use of the fact that there are no | |
23e42951 | 6490 | reverse match 3 operand instructions. */ |
40fb9820 | 6491 | if (!operand_type_match (overlap2, i.types[2]) |
e2195274 JB |
6492 | || ((check_register & 5) == 5 |
6493 | && !operand_type_register_match (i.types[0], | |
23e42951 JB |
6494 | operand_types[0], |
6495 | i.types[2], | |
e2195274 JB |
6496 | operand_types[2])) |
6497 | || ((check_register & 6) == 6 | |
6498 | && !operand_type_register_match (i.types[1], | |
6499 | operand_types[1], | |
6500 | i.types[2], | |
6501 | operand_types[2]))) | |
f48ff2ae L |
6502 | continue; |
6503 | break; | |
6504 | } | |
29b0f896 | 6505 | } |
f48ff2ae | 6506 | /* Found either forward/reverse 2, 3 or 4 operand match here: |
29b0f896 AM |
6507 | slip through to break. */ |
6508 | } | |
c0f3af97 | 6509 | |
5614d22c JB |
6510 | /* Check if vector and VEX operands are valid. */ |
6511 | if (check_VecOperands (t) || VEX_check_operands (t)) | |
6512 | { | |
6513 | specific_error = i.error; | |
6514 | continue; | |
6515 | } | |
a683cc34 | 6516 | |
29b0f896 AM |
6517 | /* We've found a match; break out of loop. */ |
6518 | break; | |
6519 | } | |
6520 | ||
6521 | if (t == current_templates->end) | |
6522 | { | |
6523 | /* We found no match. */ | |
a65babc9 | 6524 | const char *err_msg; |
5614d22c | 6525 | switch (specific_error ? specific_error : i.error) |
a65babc9 L |
6526 | { |
6527 | default: | |
6528 | abort (); | |
86e026a4 | 6529 | case operand_size_mismatch: |
a65babc9 L |
6530 | err_msg = _("operand size mismatch"); |
6531 | break; | |
6532 | case operand_type_mismatch: | |
6533 | err_msg = _("operand type mismatch"); | |
6534 | break; | |
6535 | case register_type_mismatch: | |
6536 | err_msg = _("register type mismatch"); | |
6537 | break; | |
6538 | case number_of_operands_mismatch: | |
6539 | err_msg = _("number of operands mismatch"); | |
6540 | break; | |
6541 | case invalid_instruction_suffix: | |
6542 | err_msg = _("invalid instruction suffix"); | |
6543 | break; | |
6544 | case bad_imm4: | |
4a2608e3 | 6545 | err_msg = _("constant doesn't fit in 4 bits"); |
a65babc9 | 6546 | break; |
a65babc9 L |
6547 | case unsupported_with_intel_mnemonic: |
6548 | err_msg = _("unsupported with Intel mnemonic"); | |
6549 | break; | |
6550 | case unsupported_syntax: | |
6551 | err_msg = _("unsupported syntax"); | |
6552 | break; | |
6553 | case unsupported: | |
35262a23 | 6554 | as_bad (_("unsupported instruction `%s'"), |
10efe3f6 L |
6555 | current_templates->start->name); |
6556 | return NULL; | |
6c30d220 L |
6557 | case invalid_vsib_address: |
6558 | err_msg = _("invalid VSIB address"); | |
6559 | break; | |
7bab8ab5 JB |
6560 | case invalid_vector_register_set: |
6561 | err_msg = _("mask, index, and destination registers must be distinct"); | |
6562 | break; | |
6c30d220 L |
6563 | case unsupported_vector_index_register: |
6564 | err_msg = _("unsupported vector index register"); | |
6565 | break; | |
43234a1e L |
6566 | case unsupported_broadcast: |
6567 | err_msg = _("unsupported broadcast"); | |
6568 | break; | |
43234a1e L |
6569 | case broadcast_needed: |
6570 | err_msg = _("broadcast is needed for operand of such type"); | |
6571 | break; | |
6572 | case unsupported_masking: | |
6573 | err_msg = _("unsupported masking"); | |
6574 | break; | |
6575 | case mask_not_on_destination: | |
6576 | err_msg = _("mask not on destination operand"); | |
6577 | break; | |
6578 | case no_default_mask: | |
6579 | err_msg = _("default mask isn't allowed"); | |
6580 | break; | |
6581 | case unsupported_rc_sae: | |
6582 | err_msg = _("unsupported static rounding/sae"); | |
6583 | break; | |
6584 | case rc_sae_operand_not_last_imm: | |
6585 | if (intel_syntax) | |
6586 | err_msg = _("RC/SAE operand must precede immediate operands"); | |
6587 | else | |
6588 | err_msg = _("RC/SAE operand must follow immediate operands"); | |
6589 | break; | |
6590 | case invalid_register_operand: | |
6591 | err_msg = _("invalid register operand"); | |
6592 | break; | |
a65babc9 L |
6593 | } |
6594 | as_bad (_("%s for `%s'"), err_msg, | |
891edac4 | 6595 | current_templates->start->name); |
fa99fab2 | 6596 | return NULL; |
29b0f896 | 6597 | } |
252b5132 | 6598 | |
29b0f896 AM |
6599 | if (!quiet_warnings) |
6600 | { | |
6601 | if (!intel_syntax | |
0cfa3eb3 | 6602 | && (i.jumpabsolute != (t->opcode_modifier.jump == JUMP_ABSOLUTE))) |
6f2f06be | 6603 | as_warn (_("indirect %s without `*'"), t->name); |
29b0f896 | 6604 | |
40fb9820 | 6605 | if (t->opcode_modifier.isprefix |
3cd7f3e3 | 6606 | && t->opcode_modifier.mnemonicsize == IGNORESIZE) |
29b0f896 AM |
6607 | { |
6608 | /* Warn them that a data or address size prefix doesn't | |
6609 | affect assembly of the next line of code. */ | |
6610 | as_warn (_("stand-alone `%s' prefix"), t->name); | |
6611 | } | |
6612 | } | |
6613 | ||
6614 | /* Copy the template we found. */ | |
6615 | i.tm = *t; | |
539e75ad L |
6616 | |
6617 | if (addr_prefix_disp != -1) | |
6618 | i.tm.operand_types[addr_prefix_disp] | |
6619 | = operand_types[addr_prefix_disp]; | |
6620 | ||
29b0f896 AM |
6621 | if (found_reverse_match) |
6622 | { | |
dfd69174 JB |
6623 | /* If we found a reverse match we must alter the opcode direction |
6624 | bit and clear/flip the regmem modifier one. found_reverse_match | |
6625 | holds bits to change (different for int & float insns). */ | |
29b0f896 AM |
6626 | |
6627 | i.tm.base_opcode ^= found_reverse_match; | |
6628 | ||
f5eb1d70 JB |
6629 | i.tm.operand_types[0] = operand_types[i.operands - 1]; |
6630 | i.tm.operand_types[i.operands - 1] = operand_types[0]; | |
dfd69174 JB |
6631 | |
6632 | /* Certain SIMD insns have their load forms specified in the opcode | |
6633 | table, and hence we need to _set_ RegMem instead of clearing it. | |
6634 | We need to avoid setting the bit though on insns like KMOVW. */ | |
6635 | i.tm.opcode_modifier.regmem | |
6636 | = i.tm.opcode_modifier.modrm && i.tm.opcode_modifier.d | |
6637 | && i.tm.operands > 2U - i.tm.opcode_modifier.sse2avx | |
6638 | && !i.tm.opcode_modifier.regmem; | |
29b0f896 AM |
6639 | } |
6640 | ||
fa99fab2 | 6641 | return t; |
29b0f896 AM |
6642 | } |
6643 | ||
6644 | static int | |
e3bb37b5 | 6645 | check_string (void) |
29b0f896 | 6646 | { |
51c8edf6 JB |
6647 | unsigned int es_op = i.tm.opcode_modifier.isstring - IS_STRING_ES_OP0; |
6648 | unsigned int op = i.tm.operand_types[0].bitfield.baseindex ? es_op : 0; | |
8dc0818e | 6649 | |
51c8edf6 | 6650 | if (i.seg[op] != NULL && i.seg[op] != &es) |
29b0f896 | 6651 | { |
51c8edf6 JB |
6652 | as_bad (_("`%s' operand %u must use `%ses' segment"), |
6653 | i.tm.name, | |
6654 | intel_syntax ? i.tm.operands - es_op : es_op + 1, | |
6655 | register_prefix); | |
6656 | return 0; | |
29b0f896 | 6657 | } |
51c8edf6 JB |
6658 | |
6659 | /* There's only ever one segment override allowed per instruction. | |
6660 | This instruction possibly has a legal segment override on the | |
6661 | second operand, so copy the segment to where non-string | |
6662 | instructions store it, allowing common code. */ | |
6663 | i.seg[op] = i.seg[1]; | |
6664 | ||
29b0f896 AM |
6665 | return 1; |
6666 | } | |
6667 | ||
6668 | static int | |
543613e9 | 6669 | process_suffix (void) |
29b0f896 AM |
6670 | { |
6671 | /* If matched instruction specifies an explicit instruction mnemonic | |
6672 | suffix, use it. */ | |
673fe0f0 | 6673 | if (i.tm.opcode_modifier.size == SIZE16) |
40fb9820 | 6674 | i.suffix = WORD_MNEM_SUFFIX; |
673fe0f0 | 6675 | else if (i.tm.opcode_modifier.size == SIZE32) |
40fb9820 | 6676 | i.suffix = LONG_MNEM_SUFFIX; |
673fe0f0 | 6677 | else if (i.tm.opcode_modifier.size == SIZE64) |
40fb9820 | 6678 | i.suffix = QWORD_MNEM_SUFFIX; |
13e600d0 | 6679 | else if (i.reg_operands |
c8f8eebc JB |
6680 | && (i.operands > 1 || i.types[0].bitfield.class == Reg) |
6681 | && !i.tm.opcode_modifier.addrprefixopreg) | |
29b0f896 | 6682 | { |
65fca059 JB |
6683 | unsigned int numop = i.operands; |
6684 | ||
6685 | /* movsx/movzx want only their source operand considered here, for the | |
6686 | ambiguity checking below. The suffix will be replaced afterwards | |
6687 | to represent the destination (register). */ | |
6688 | if (((i.tm.base_opcode | 8) == 0xfbe && i.tm.opcode_modifier.w) | |
6689 | || (i.tm.base_opcode == 0x63 && i.tm.cpu_flags.bitfield.cpu64)) | |
6690 | --i.operands; | |
6691 | ||
643bb870 JB |
6692 | /* crc32 needs REX.W set regardless of suffix / source operand size. */ |
6693 | if (i.tm.base_opcode == 0xf20f38f0 | |
6694 | && i.tm.operand_types[1].bitfield.qword) | |
6695 | i.rex |= REX_W; | |
6696 | ||
29b0f896 | 6697 | /* If there's no instruction mnemonic suffix we try to invent one |
13e600d0 | 6698 | based on GPR operands. */ |
29b0f896 AM |
6699 | if (!i.suffix) |
6700 | { | |
6701 | /* We take i.suffix from the last register operand specified, | |
6702 | Destination register type is more significant than source | |
381d071f L |
6703 | register type. crc32 in SSE4.2 prefers source register |
6704 | type. */ | |
1a035124 | 6705 | unsigned int op = i.tm.base_opcode != 0xf20f38f0 ? i.operands : 1; |
20592a94 | 6706 | |
1a035124 JB |
6707 | while (op--) |
6708 | if (i.tm.operand_types[op].bitfield.instance == InstanceNone | |
6709 | || i.tm.operand_types[op].bitfield.instance == Accum) | |
6710 | { | |
6711 | if (i.types[op].bitfield.class != Reg) | |
6712 | continue; | |
6713 | if (i.types[op].bitfield.byte) | |
6714 | i.suffix = BYTE_MNEM_SUFFIX; | |
6715 | else if (i.types[op].bitfield.word) | |
6716 | i.suffix = WORD_MNEM_SUFFIX; | |
6717 | else if (i.types[op].bitfield.dword) | |
6718 | i.suffix = LONG_MNEM_SUFFIX; | |
6719 | else if (i.types[op].bitfield.qword) | |
6720 | i.suffix = QWORD_MNEM_SUFFIX; | |
6721 | else | |
6722 | continue; | |
6723 | break; | |
6724 | } | |
65fca059 JB |
6725 | |
6726 | /* As an exception, movsx/movzx silently default to a byte source | |
6727 | in AT&T mode. */ | |
6728 | if ((i.tm.base_opcode | 8) == 0xfbe && i.tm.opcode_modifier.w | |
6729 | && !i.suffix && !intel_syntax) | |
6730 | i.suffix = BYTE_MNEM_SUFFIX; | |
29b0f896 AM |
6731 | } |
6732 | else if (i.suffix == BYTE_MNEM_SUFFIX) | |
6733 | { | |
2eb952a4 | 6734 | if (intel_syntax |
3cd7f3e3 | 6735 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
2eb952a4 L |
6736 | && i.tm.opcode_modifier.no_bsuf) |
6737 | i.suffix = 0; | |
6738 | else if (!check_byte_reg ()) | |
29b0f896 AM |
6739 | return 0; |
6740 | } | |
6741 | else if (i.suffix == LONG_MNEM_SUFFIX) | |
6742 | { | |
2eb952a4 | 6743 | if (intel_syntax |
3cd7f3e3 | 6744 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
9f123b91 JB |
6745 | && i.tm.opcode_modifier.no_lsuf |
6746 | && !i.tm.opcode_modifier.todword | |
6747 | && !i.tm.opcode_modifier.toqword) | |
2eb952a4 L |
6748 | i.suffix = 0; |
6749 | else if (!check_long_reg ()) | |
29b0f896 AM |
6750 | return 0; |
6751 | } | |
6752 | else if (i.suffix == QWORD_MNEM_SUFFIX) | |
6753 | { | |
955e1e6a | 6754 | if (intel_syntax |
3cd7f3e3 | 6755 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
9f123b91 JB |
6756 | && i.tm.opcode_modifier.no_qsuf |
6757 | && !i.tm.opcode_modifier.todword | |
6758 | && !i.tm.opcode_modifier.toqword) | |
955e1e6a L |
6759 | i.suffix = 0; |
6760 | else if (!check_qword_reg ()) | |
29b0f896 AM |
6761 | return 0; |
6762 | } | |
6763 | else if (i.suffix == WORD_MNEM_SUFFIX) | |
6764 | { | |
2eb952a4 | 6765 | if (intel_syntax |
3cd7f3e3 | 6766 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE |
2eb952a4 L |
6767 | && i.tm.opcode_modifier.no_wsuf) |
6768 | i.suffix = 0; | |
6769 | else if (!check_word_reg ()) | |
29b0f896 AM |
6770 | return 0; |
6771 | } | |
3cd7f3e3 L |
6772 | else if (intel_syntax |
6773 | && i.tm.opcode_modifier.mnemonicsize == IGNORESIZE) | |
29b0f896 AM |
6774 | /* Do nothing if the instruction is going to ignore the prefix. */ |
6775 | ; | |
6776 | else | |
6777 | abort (); | |
65fca059 JB |
6778 | |
6779 | /* Undo the movsx/movzx change done above. */ | |
6780 | i.operands = numop; | |
29b0f896 | 6781 | } |
3cd7f3e3 L |
6782 | else if (i.tm.opcode_modifier.mnemonicsize == DEFAULTSIZE |
6783 | && !i.suffix) | |
29b0f896 | 6784 | { |
13e600d0 JB |
6785 | i.suffix = stackop_size; |
6786 | if (stackop_size == LONG_MNEM_SUFFIX) | |
06f74c5c L |
6787 | { |
6788 | /* stackop_size is set to LONG_MNEM_SUFFIX for the | |
6789 | .code16gcc directive to support 16-bit mode with | |
6790 | 32-bit address. For IRET without a suffix, generate | |
6791 | 16-bit IRET (opcode 0xcf) to return from an interrupt | |
6792 | handler. */ | |
13e600d0 JB |
6793 | if (i.tm.base_opcode == 0xcf) |
6794 | { | |
6795 | i.suffix = WORD_MNEM_SUFFIX; | |
6796 | as_warn (_("generating 16-bit `iret' for .code16gcc directive")); | |
6797 | } | |
6798 | /* Warn about changed behavior for segment register push/pop. */ | |
6799 | else if ((i.tm.base_opcode | 1) == 0x07) | |
6800 | as_warn (_("generating 32-bit `%s', unlike earlier gas versions"), | |
6801 | i.tm.name); | |
06f74c5c | 6802 | } |
29b0f896 | 6803 | } |
c006a730 | 6804 | else if (!i.suffix |
0cfa3eb3 JB |
6805 | && (i.tm.opcode_modifier.jump == JUMP_ABSOLUTE |
6806 | || i.tm.opcode_modifier.jump == JUMP_BYTE | |
6807 | || i.tm.opcode_modifier.jump == JUMP_INTERSEGMENT | |
64e74474 AM |
6808 | || (i.tm.base_opcode == 0x0f01 /* [ls][gi]dt */ |
6809 | && i.tm.extension_opcode <= 3))) | |
9306ca4a JB |
6810 | { |
6811 | switch (flag_code) | |
6812 | { | |
6813 | case CODE_64BIT: | |
40fb9820 | 6814 | if (!i.tm.opcode_modifier.no_qsuf) |
9306ca4a JB |
6815 | { |
6816 | i.suffix = QWORD_MNEM_SUFFIX; | |
6817 | break; | |
6818 | } | |
1a0670f3 | 6819 | /* Fall through. */ |
9306ca4a | 6820 | case CODE_32BIT: |
40fb9820 | 6821 | if (!i.tm.opcode_modifier.no_lsuf) |
9306ca4a JB |
6822 | i.suffix = LONG_MNEM_SUFFIX; |
6823 | break; | |
6824 | case CODE_16BIT: | |
40fb9820 | 6825 | if (!i.tm.opcode_modifier.no_wsuf) |
9306ca4a JB |
6826 | i.suffix = WORD_MNEM_SUFFIX; |
6827 | break; | |
6828 | } | |
6829 | } | |
252b5132 | 6830 | |
c006a730 | 6831 | if (!i.suffix |
3cd7f3e3 | 6832 | && (i.tm.opcode_modifier.mnemonicsize != DEFAULTSIZE |
873494c8 JB |
6833 | /* Also cover lret/retf/iret in 64-bit mode. */ |
6834 | || (flag_code == CODE_64BIT | |
6835 | && !i.tm.opcode_modifier.no_lsuf | |
6836 | && !i.tm.opcode_modifier.no_qsuf)) | |
3cd7f3e3 | 6837 | && i.tm.opcode_modifier.mnemonicsize != IGNORESIZE |
62b3f548 JB |
6838 | /* Accept FLDENV et al without suffix. */ |
6839 | && (i.tm.opcode_modifier.no_ssuf || i.tm.opcode_modifier.floatmf)) | |
29b0f896 | 6840 | { |
6c0946d0 | 6841 | unsigned int suffixes, evex = 0; |
c006a730 JB |
6842 | |
6843 | suffixes = !i.tm.opcode_modifier.no_bsuf; | |
6844 | if (!i.tm.opcode_modifier.no_wsuf) | |
6845 | suffixes |= 1 << 1; | |
6846 | if (!i.tm.opcode_modifier.no_lsuf) | |
6847 | suffixes |= 1 << 2; | |
6848 | if (!i.tm.opcode_modifier.no_ldsuf) | |
6849 | suffixes |= 1 << 3; | |
6850 | if (!i.tm.opcode_modifier.no_ssuf) | |
6851 | suffixes |= 1 << 4; | |
6852 | if (flag_code == CODE_64BIT && !i.tm.opcode_modifier.no_qsuf) | |
6853 | suffixes |= 1 << 5; | |
6854 | ||
6c0946d0 JB |
6855 | /* For [XYZ]MMWORD operands inspect operand sizes. While generally |
6856 | also suitable for AT&T syntax mode, it was requested that this be | |
6857 | restricted to just Intel syntax. */ | |
b9915cbc | 6858 | if (intel_syntax && is_any_vex_encoding (&i.tm) && !i.broadcast) |
6c0946d0 | 6859 | { |
b9915cbc | 6860 | unsigned int op; |
6c0946d0 | 6861 | |
b9915cbc | 6862 | for (op = 0; op < i.tm.operands; ++op) |
6c0946d0 | 6863 | { |
b9915cbc JB |
6864 | if (is_evex_encoding (&i.tm) |
6865 | && !cpu_arch_flags.bitfield.cpuavx512vl) | |
6c0946d0 | 6866 | { |
b9915cbc JB |
6867 | if (i.tm.operand_types[op].bitfield.ymmword) |
6868 | i.tm.operand_types[op].bitfield.xmmword = 0; | |
6869 | if (i.tm.operand_types[op].bitfield.zmmword) | |
6870 | i.tm.operand_types[op].bitfield.ymmword = 0; | |
6871 | if (!i.tm.opcode_modifier.evex | |
6872 | || i.tm.opcode_modifier.evex == EVEXDYN) | |
6873 | i.tm.opcode_modifier.evex = EVEX512; | |
6874 | } | |
6c0946d0 | 6875 | |
b9915cbc JB |
6876 | if (i.tm.operand_types[op].bitfield.xmmword |
6877 | + i.tm.operand_types[op].bitfield.ymmword | |
6878 | + i.tm.operand_types[op].bitfield.zmmword < 2) | |
6879 | continue; | |
6c0946d0 | 6880 | |
b9915cbc JB |
6881 | /* Any properly sized operand disambiguates the insn. */ |
6882 | if (i.types[op].bitfield.xmmword | |
6883 | || i.types[op].bitfield.ymmword | |
6884 | || i.types[op].bitfield.zmmword) | |
6885 | { | |
6886 | suffixes &= ~(7 << 6); | |
6887 | evex = 0; | |
6888 | break; | |
6889 | } | |
6c0946d0 | 6890 | |
b9915cbc JB |
6891 | if ((i.flags[op] & Operand_Mem) |
6892 | && i.tm.operand_types[op].bitfield.unspecified) | |
6893 | { | |
6894 | if (i.tm.operand_types[op].bitfield.xmmword) | |
6895 | suffixes |= 1 << 6; | |
6896 | if (i.tm.operand_types[op].bitfield.ymmword) | |
6897 | suffixes |= 1 << 7; | |
6898 | if (i.tm.operand_types[op].bitfield.zmmword) | |
6899 | suffixes |= 1 << 8; | |
6900 | if (is_evex_encoding (&i.tm)) | |
6901 | evex = EVEX512; | |
6c0946d0 JB |
6902 | } |
6903 | } | |
6904 | } | |
6905 | ||
6906 | /* Are multiple suffixes / operand sizes allowed? */ | |
c006a730 | 6907 | if (suffixes & (suffixes - 1)) |
9306ca4a | 6908 | { |
873494c8 | 6909 | if (intel_syntax |
3cd7f3e3 | 6910 | && (i.tm.opcode_modifier.mnemonicsize != DEFAULTSIZE |
873494c8 | 6911 | || operand_check == check_error)) |
9306ca4a | 6912 | { |
c006a730 | 6913 | as_bad (_("ambiguous operand size for `%s'"), i.tm.name); |
9306ca4a JB |
6914 | return 0; |
6915 | } | |
c006a730 | 6916 | if (operand_check == check_error) |
9306ca4a | 6917 | { |
c006a730 JB |
6918 | as_bad (_("no instruction mnemonic suffix given and " |
6919 | "no register operands; can't size `%s'"), i.tm.name); | |
9306ca4a JB |
6920 | return 0; |
6921 | } | |
c006a730 | 6922 | if (operand_check == check_warning) |
873494c8 JB |
6923 | as_warn (_("%s; using default for `%s'"), |
6924 | intel_syntax | |
6925 | ? _("ambiguous operand size") | |
6926 | : _("no instruction mnemonic suffix given and " | |
6927 | "no register operands"), | |
6928 | i.tm.name); | |
c006a730 JB |
6929 | |
6930 | if (i.tm.opcode_modifier.floatmf) | |
6931 | i.suffix = SHORT_MNEM_SUFFIX; | |
65fca059 JB |
6932 | else if ((i.tm.base_opcode | 8) == 0xfbe |
6933 | || (i.tm.base_opcode == 0x63 | |
6934 | && i.tm.cpu_flags.bitfield.cpu64)) | |
6935 | /* handled below */; | |
6c0946d0 JB |
6936 | else if (evex) |
6937 | i.tm.opcode_modifier.evex = evex; | |
c006a730 JB |
6938 | else if (flag_code == CODE_16BIT) |
6939 | i.suffix = WORD_MNEM_SUFFIX; | |
1a035124 | 6940 | else if (!i.tm.opcode_modifier.no_lsuf) |
c006a730 | 6941 | i.suffix = LONG_MNEM_SUFFIX; |
1a035124 JB |
6942 | else |
6943 | i.suffix = QWORD_MNEM_SUFFIX; | |
9306ca4a | 6944 | } |
29b0f896 | 6945 | } |
252b5132 | 6946 | |
65fca059 JB |
6947 | if ((i.tm.base_opcode | 8) == 0xfbe |
6948 | || (i.tm.base_opcode == 0x63 && i.tm.cpu_flags.bitfield.cpu64)) | |
6949 | { | |
6950 | /* In Intel syntax, movsx/movzx must have a "suffix" (checked above). | |
6951 | In AT&T syntax, if there is no suffix (warned about above), the default | |
6952 | will be byte extension. */ | |
6953 | if (i.tm.opcode_modifier.w && i.suffix && i.suffix != BYTE_MNEM_SUFFIX) | |
6954 | i.tm.base_opcode |= 1; | |
6955 | ||
6956 | /* For further processing, the suffix should represent the destination | |
6957 | (register). This is already the case when one was used with | |
6958 | mov[sz][bw]*, but we need to replace it for mov[sz]x, or if there was | |
6959 | no suffix to begin with. */ | |
6960 | if (i.tm.opcode_modifier.w || i.tm.base_opcode == 0x63 || !i.suffix) | |
6961 | { | |
6962 | if (i.types[1].bitfield.word) | |
6963 | i.suffix = WORD_MNEM_SUFFIX; | |
6964 | else if (i.types[1].bitfield.qword) | |
6965 | i.suffix = QWORD_MNEM_SUFFIX; | |
6966 | else | |
6967 | i.suffix = LONG_MNEM_SUFFIX; | |
6968 | ||
6969 | i.tm.opcode_modifier.w = 0; | |
6970 | } | |
6971 | } | |
6972 | ||
50128d0c JB |
6973 | if (!i.tm.opcode_modifier.modrm && i.reg_operands && i.tm.operands < 3) |
6974 | i.short_form = (i.tm.operand_types[0].bitfield.class == Reg) | |
6975 | != (i.tm.operand_types[1].bitfield.class == Reg); | |
6976 | ||
d2224064 JB |
6977 | /* Change the opcode based on the operand size given by i.suffix. */ |
6978 | switch (i.suffix) | |
29b0f896 | 6979 | { |
d2224064 JB |
6980 | /* Size floating point instruction. */ |
6981 | case LONG_MNEM_SUFFIX: | |
6982 | if (i.tm.opcode_modifier.floatmf) | |
6983 | { | |
6984 | i.tm.base_opcode ^= 4; | |
6985 | break; | |
6986 | } | |
6987 | /* fall through */ | |
6988 | case WORD_MNEM_SUFFIX: | |
6989 | case QWORD_MNEM_SUFFIX: | |
29b0f896 | 6990 | /* It's not a byte, select word/dword operation. */ |
40fb9820 | 6991 | if (i.tm.opcode_modifier.w) |
29b0f896 | 6992 | { |
50128d0c | 6993 | if (i.short_form) |
29b0f896 AM |
6994 | i.tm.base_opcode |= 8; |
6995 | else | |
6996 | i.tm.base_opcode |= 1; | |
6997 | } | |
d2224064 JB |
6998 | /* fall through */ |
6999 | case SHORT_MNEM_SUFFIX: | |
29b0f896 AM |
7000 | /* Now select between word & dword operations via the operand |
7001 | size prefix, except for instructions that will ignore this | |
7002 | prefix anyway. */ | |
c8f8eebc | 7003 | if (i.suffix != QWORD_MNEM_SUFFIX |
3cd7f3e3 | 7004 | && i.tm.opcode_modifier.mnemonicsize != IGNORESIZE |
c8f8eebc JB |
7005 | && !i.tm.opcode_modifier.floatmf |
7006 | && !is_any_vex_encoding (&i.tm) | |
7007 | && ((i.suffix == LONG_MNEM_SUFFIX) == (flag_code == CODE_16BIT) | |
7008 | || (flag_code == CODE_64BIT | |
7009 | && i.tm.opcode_modifier.jump == JUMP_BYTE))) | |
24eab124 AM |
7010 | { |
7011 | unsigned int prefix = DATA_PREFIX_OPCODE; | |
543613e9 | 7012 | |
0cfa3eb3 | 7013 | if (i.tm.opcode_modifier.jump == JUMP_BYTE) /* jcxz, loop */ |
29b0f896 | 7014 | prefix = ADDR_PREFIX_OPCODE; |
252b5132 | 7015 | |
29b0f896 AM |
7016 | if (!add_prefix (prefix)) |
7017 | return 0; | |
24eab124 | 7018 | } |
252b5132 | 7019 | |
29b0f896 AM |
7020 | /* Set mode64 for an operand. */ |
7021 | if (i.suffix == QWORD_MNEM_SUFFIX | |
9146926a | 7022 | && flag_code == CODE_64BIT |
d2224064 | 7023 | && !i.tm.opcode_modifier.norex64 |
4ed21b58 | 7024 | && !i.tm.opcode_modifier.vexw |
46e883c5 | 7025 | /* Special case for xchg %rax,%rax. It is NOP and doesn't |
d2224064 JB |
7026 | need rex64. */ |
7027 | && ! (i.operands == 2 | |
7028 | && i.tm.base_opcode == 0x90 | |
7029 | && i.tm.extension_opcode == None | |
75e5731b JB |
7030 | && i.types[0].bitfield.instance == Accum |
7031 | && i.types[0].bitfield.qword | |
7032 | && i.types[1].bitfield.instance == Accum | |
7033 | && i.types[1].bitfield.qword)) | |
d2224064 | 7034 | i.rex |= REX_W; |
3e73aa7c | 7035 | |
d2224064 | 7036 | break; |
29b0f896 | 7037 | } |
7ecd2f8b | 7038 | |
c8f8eebc | 7039 | if (i.tm.opcode_modifier.addrprefixopreg) |
c0a30a9f | 7040 | { |
c8f8eebc JB |
7041 | gas_assert (!i.suffix); |
7042 | gas_assert (i.reg_operands); | |
c0a30a9f | 7043 | |
c8f8eebc JB |
7044 | if (i.tm.operand_types[0].bitfield.instance == Accum |
7045 | || i.operands == 1) | |
7046 | { | |
7047 | /* The address size override prefix changes the size of the | |
7048 | first operand. */ | |
7049 | if (flag_code == CODE_64BIT | |
7050 | && i.op[0].regs->reg_type.bitfield.word) | |
7051 | { | |
7052 | as_bad (_("16-bit addressing unavailable for `%s'"), | |
7053 | i.tm.name); | |
7054 | return 0; | |
7055 | } | |
7056 | ||
7057 | if ((flag_code == CODE_32BIT | |
7058 | ? i.op[0].regs->reg_type.bitfield.word | |
7059 | : i.op[0].regs->reg_type.bitfield.dword) | |
7060 | && !add_prefix (ADDR_PREFIX_OPCODE)) | |
7061 | return 0; | |
7062 | } | |
c0a30a9f L |
7063 | else |
7064 | { | |
c8f8eebc JB |
7065 | /* Check invalid register operand when the address size override |
7066 | prefix changes the size of register operands. */ | |
7067 | unsigned int op; | |
7068 | enum { need_word, need_dword, need_qword } need; | |
7069 | ||
7070 | if (flag_code == CODE_32BIT) | |
7071 | need = i.prefix[ADDR_PREFIX] ? need_word : need_dword; | |
7072 | else if (i.prefix[ADDR_PREFIX]) | |
c0a30a9f L |
7073 | need = need_dword; |
7074 | else | |
7075 | need = flag_code == CODE_64BIT ? need_qword : need_word; | |
c0a30a9f | 7076 | |
c8f8eebc JB |
7077 | for (op = 0; op < i.operands; op++) |
7078 | { | |
7079 | if (i.types[op].bitfield.class != Reg) | |
7080 | continue; | |
7081 | ||
7082 | switch (need) | |
7083 | { | |
7084 | case need_word: | |
7085 | if (i.op[op].regs->reg_type.bitfield.word) | |
7086 | continue; | |
7087 | break; | |
7088 | case need_dword: | |
7089 | if (i.op[op].regs->reg_type.bitfield.dword) | |
7090 | continue; | |
7091 | break; | |
7092 | case need_qword: | |
7093 | if (i.op[op].regs->reg_type.bitfield.qword) | |
7094 | continue; | |
7095 | break; | |
7096 | } | |
7097 | ||
7098 | as_bad (_("invalid register operand size for `%s'"), | |
7099 | i.tm.name); | |
7100 | return 0; | |
7101 | } | |
7102 | } | |
c0a30a9f L |
7103 | } |
7104 | ||
29b0f896 AM |
7105 | return 1; |
7106 | } | |
3e73aa7c | 7107 | |
29b0f896 | 7108 | static int |
543613e9 | 7109 | check_byte_reg (void) |
29b0f896 AM |
7110 | { |
7111 | int op; | |
543613e9 | 7112 | |
29b0f896 AM |
7113 | for (op = i.operands; --op >= 0;) |
7114 | { | |
dc821c5f | 7115 | /* Skip non-register operands. */ |
bab6aec1 | 7116 | if (i.types[op].bitfield.class != Reg) |
dc821c5f JB |
7117 | continue; |
7118 | ||
29b0f896 AM |
7119 | /* If this is an eight bit register, it's OK. If it's the 16 or |
7120 | 32 bit version of an eight bit register, we will just use the | |
7121 | low portion, and that's OK too. */ | |
dc821c5f | 7122 | if (i.types[op].bitfield.byte) |
29b0f896 AM |
7123 | continue; |
7124 | ||
5a819eb9 | 7125 | /* I/O port address operands are OK too. */ |
75e5731b JB |
7126 | if (i.tm.operand_types[op].bitfield.instance == RegD |
7127 | && i.tm.operand_types[op].bitfield.word) | |
5a819eb9 JB |
7128 | continue; |
7129 | ||
9706160a JB |
7130 | /* crc32 only wants its source operand checked here. */ |
7131 | if (i.tm.base_opcode == 0xf20f38f0 && op) | |
9344ff29 L |
7132 | continue; |
7133 | ||
29b0f896 | 7134 | /* Any other register is bad. */ |
bab6aec1 | 7135 | if (i.types[op].bitfield.class == Reg |
3528c362 JB |
7136 | || i.types[op].bitfield.class == RegMMX |
7137 | || i.types[op].bitfield.class == RegSIMD | |
00cee14f | 7138 | || i.types[op].bitfield.class == SReg |
4a5c67ed JB |
7139 | || i.types[op].bitfield.class == RegCR |
7140 | || i.types[op].bitfield.class == RegDR | |
7141 | || i.types[op].bitfield.class == RegTR) | |
29b0f896 | 7142 | { |
a540244d L |
7143 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7144 | register_prefix, | |
29b0f896 AM |
7145 | i.op[op].regs->reg_name, |
7146 | i.tm.name, | |
7147 | i.suffix); | |
7148 | return 0; | |
7149 | } | |
7150 | } | |
7151 | return 1; | |
7152 | } | |
7153 | ||
7154 | static int | |
e3bb37b5 | 7155 | check_long_reg (void) |
29b0f896 AM |
7156 | { |
7157 | int op; | |
7158 | ||
7159 | for (op = i.operands; --op >= 0;) | |
dc821c5f | 7160 | /* Skip non-register operands. */ |
bab6aec1 | 7161 | if (i.types[op].bitfield.class != Reg) |
dc821c5f | 7162 | continue; |
29b0f896 AM |
7163 | /* Reject eight bit registers, except where the template requires |
7164 | them. (eg. movzb) */ | |
dc821c5f | 7165 | else if (i.types[op].bitfield.byte |
bab6aec1 | 7166 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7167 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f JB |
7168 | && (i.tm.operand_types[op].bitfield.word |
7169 | || i.tm.operand_types[op].bitfield.dword)) | |
29b0f896 | 7170 | { |
a540244d L |
7171 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7172 | register_prefix, | |
29b0f896 AM |
7173 | i.op[op].regs->reg_name, |
7174 | i.tm.name, | |
7175 | i.suffix); | |
7176 | return 0; | |
7177 | } | |
be4c5e58 L |
7178 | /* Error if the e prefix on a general reg is missing. */ |
7179 | else if (i.types[op].bitfield.word | |
bab6aec1 | 7180 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7181 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7182 | && i.tm.operand_types[op].bitfield.dword) |
29b0f896 | 7183 | { |
be4c5e58 L |
7184 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
7185 | register_prefix, i.op[op].regs->reg_name, | |
7186 | i.suffix); | |
7187 | return 0; | |
252b5132 | 7188 | } |
e4630f71 | 7189 | /* Warn if the r prefix on a general reg is present. */ |
dc821c5f | 7190 | else if (i.types[op].bitfield.qword |
bab6aec1 | 7191 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7192 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7193 | && i.tm.operand_types[op].bitfield.dword) |
252b5132 | 7194 | { |
34828aad | 7195 | if (intel_syntax |
65fca059 | 7196 | && i.tm.opcode_modifier.toqword |
3528c362 | 7197 | && i.types[0].bitfield.class != RegSIMD) |
34828aad | 7198 | { |
ca61edf2 | 7199 | /* Convert to QWORD. We want REX byte. */ |
34828aad L |
7200 | i.suffix = QWORD_MNEM_SUFFIX; |
7201 | } | |
7202 | else | |
7203 | { | |
2b5d6a91 | 7204 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
34828aad L |
7205 | register_prefix, i.op[op].regs->reg_name, |
7206 | i.suffix); | |
7207 | return 0; | |
7208 | } | |
29b0f896 AM |
7209 | } |
7210 | return 1; | |
7211 | } | |
252b5132 | 7212 | |
29b0f896 | 7213 | static int |
e3bb37b5 | 7214 | check_qword_reg (void) |
29b0f896 AM |
7215 | { |
7216 | int op; | |
252b5132 | 7217 | |
29b0f896 | 7218 | for (op = i.operands; --op >= 0; ) |
dc821c5f | 7219 | /* Skip non-register operands. */ |
bab6aec1 | 7220 | if (i.types[op].bitfield.class != Reg) |
dc821c5f | 7221 | continue; |
29b0f896 AM |
7222 | /* Reject eight bit registers, except where the template requires |
7223 | them. (eg. movzb) */ | |
dc821c5f | 7224 | else if (i.types[op].bitfield.byte |
bab6aec1 | 7225 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7226 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f JB |
7227 | && (i.tm.operand_types[op].bitfield.word |
7228 | || i.tm.operand_types[op].bitfield.dword)) | |
29b0f896 | 7229 | { |
a540244d L |
7230 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7231 | register_prefix, | |
29b0f896 AM |
7232 | i.op[op].regs->reg_name, |
7233 | i.tm.name, | |
7234 | i.suffix); | |
7235 | return 0; | |
7236 | } | |
e4630f71 | 7237 | /* Warn if the r prefix on a general reg is missing. */ |
dc821c5f JB |
7238 | else if ((i.types[op].bitfield.word |
7239 | || i.types[op].bitfield.dword) | |
bab6aec1 | 7240 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7241 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7242 | && i.tm.operand_types[op].bitfield.qword) |
29b0f896 AM |
7243 | { |
7244 | /* Prohibit these changes in the 64bit mode, since the | |
7245 | lowering is more complicated. */ | |
34828aad | 7246 | if (intel_syntax |
ca61edf2 | 7247 | && i.tm.opcode_modifier.todword |
3528c362 | 7248 | && i.types[0].bitfield.class != RegSIMD) |
34828aad | 7249 | { |
ca61edf2 | 7250 | /* Convert to DWORD. We don't want REX byte. */ |
34828aad L |
7251 | i.suffix = LONG_MNEM_SUFFIX; |
7252 | } | |
7253 | else | |
7254 | { | |
2b5d6a91 | 7255 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
34828aad L |
7256 | register_prefix, i.op[op].regs->reg_name, |
7257 | i.suffix); | |
7258 | return 0; | |
7259 | } | |
252b5132 | 7260 | } |
29b0f896 AM |
7261 | return 1; |
7262 | } | |
252b5132 | 7263 | |
29b0f896 | 7264 | static int |
e3bb37b5 | 7265 | check_word_reg (void) |
29b0f896 AM |
7266 | { |
7267 | int op; | |
7268 | for (op = i.operands; --op >= 0;) | |
dc821c5f | 7269 | /* Skip non-register operands. */ |
bab6aec1 | 7270 | if (i.types[op].bitfield.class != Reg) |
dc821c5f | 7271 | continue; |
29b0f896 AM |
7272 | /* Reject eight bit registers, except where the template requires |
7273 | them. (eg. movzb) */ | |
dc821c5f | 7274 | else if (i.types[op].bitfield.byte |
bab6aec1 | 7275 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7276 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f JB |
7277 | && (i.tm.operand_types[op].bitfield.word |
7278 | || i.tm.operand_types[op].bitfield.dword)) | |
29b0f896 | 7279 | { |
a540244d L |
7280 | as_bad (_("`%s%s' not allowed with `%s%c'"), |
7281 | register_prefix, | |
29b0f896 AM |
7282 | i.op[op].regs->reg_name, |
7283 | i.tm.name, | |
7284 | i.suffix); | |
7285 | return 0; | |
7286 | } | |
9706160a JB |
7287 | /* Error if the e or r prefix on a general reg is present. */ |
7288 | else if ((i.types[op].bitfield.dword | |
dc821c5f | 7289 | || i.types[op].bitfield.qword) |
bab6aec1 | 7290 | && (i.tm.operand_types[op].bitfield.class == Reg |
75e5731b | 7291 | || i.tm.operand_types[op].bitfield.instance == Accum) |
dc821c5f | 7292 | && i.tm.operand_types[op].bitfield.word) |
252b5132 | 7293 | { |
9706160a JB |
7294 | as_bad (_("incorrect register `%s%s' used with `%c' suffix"), |
7295 | register_prefix, i.op[op].regs->reg_name, | |
7296 | i.suffix); | |
7297 | return 0; | |
29b0f896 AM |
7298 | } |
7299 | return 1; | |
7300 | } | |
252b5132 | 7301 | |
29b0f896 | 7302 | static int |
40fb9820 | 7303 | update_imm (unsigned int j) |
29b0f896 | 7304 | { |
bc0844ae | 7305 | i386_operand_type overlap = i.types[j]; |
40fb9820 L |
7306 | if ((overlap.bitfield.imm8 |
7307 | || overlap.bitfield.imm8s | |
7308 | || overlap.bitfield.imm16 | |
7309 | || overlap.bitfield.imm32 | |
7310 | || overlap.bitfield.imm32s | |
7311 | || overlap.bitfield.imm64) | |
0dfbf9d7 L |
7312 | && !operand_type_equal (&overlap, &imm8) |
7313 | && !operand_type_equal (&overlap, &imm8s) | |
7314 | && !operand_type_equal (&overlap, &imm16) | |
7315 | && !operand_type_equal (&overlap, &imm32) | |
7316 | && !operand_type_equal (&overlap, &imm32s) | |
7317 | && !operand_type_equal (&overlap, &imm64)) | |
29b0f896 AM |
7318 | { |
7319 | if (i.suffix) | |
7320 | { | |
40fb9820 L |
7321 | i386_operand_type temp; |
7322 | ||
0dfbf9d7 | 7323 | operand_type_set (&temp, 0); |
7ab9ffdd | 7324 | if (i.suffix == BYTE_MNEM_SUFFIX) |
40fb9820 L |
7325 | { |
7326 | temp.bitfield.imm8 = overlap.bitfield.imm8; | |
7327 | temp.bitfield.imm8s = overlap.bitfield.imm8s; | |
7328 | } | |
7329 | else if (i.suffix == WORD_MNEM_SUFFIX) | |
7330 | temp.bitfield.imm16 = overlap.bitfield.imm16; | |
7331 | else if (i.suffix == QWORD_MNEM_SUFFIX) | |
7332 | { | |
7333 | temp.bitfield.imm64 = overlap.bitfield.imm64; | |
7334 | temp.bitfield.imm32s = overlap.bitfield.imm32s; | |
7335 | } | |
7336 | else | |
7337 | temp.bitfield.imm32 = overlap.bitfield.imm32; | |
7338 | overlap = temp; | |
29b0f896 | 7339 | } |
0dfbf9d7 L |
7340 | else if (operand_type_equal (&overlap, &imm16_32_32s) |
7341 | || operand_type_equal (&overlap, &imm16_32) | |
7342 | || operand_type_equal (&overlap, &imm16_32s)) | |
29b0f896 | 7343 | { |
40fb9820 | 7344 | if ((flag_code == CODE_16BIT) ^ (i.prefix[DATA_PREFIX] != 0)) |
65da13b5 | 7345 | overlap = imm16; |
40fb9820 | 7346 | else |
65da13b5 | 7347 | overlap = imm32s; |
29b0f896 | 7348 | } |
0dfbf9d7 L |
7349 | if (!operand_type_equal (&overlap, &imm8) |
7350 | && !operand_type_equal (&overlap, &imm8s) | |
7351 | && !operand_type_equal (&overlap, &imm16) | |
7352 | && !operand_type_equal (&overlap, &imm32) | |
7353 | && !operand_type_equal (&overlap, &imm32s) | |
7354 | && !operand_type_equal (&overlap, &imm64)) | |
29b0f896 | 7355 | { |
4eed87de AM |
7356 | as_bad (_("no instruction mnemonic suffix given; " |
7357 | "can't determine immediate size")); | |
29b0f896 AM |
7358 | return 0; |
7359 | } | |
7360 | } | |
40fb9820 | 7361 | i.types[j] = overlap; |
29b0f896 | 7362 | |
40fb9820 L |
7363 | return 1; |
7364 | } | |
7365 | ||
7366 | static int | |
7367 | finalize_imm (void) | |
7368 | { | |
bc0844ae | 7369 | unsigned int j, n; |
29b0f896 | 7370 | |
bc0844ae L |
7371 | /* Update the first 2 immediate operands. */ |
7372 | n = i.operands > 2 ? 2 : i.operands; | |
7373 | if (n) | |
7374 | { | |
7375 | for (j = 0; j < n; j++) | |
7376 | if (update_imm (j) == 0) | |
7377 | return 0; | |
40fb9820 | 7378 | |
bc0844ae L |
7379 | /* The 3rd operand can't be immediate operand. */ |
7380 | gas_assert (operand_type_check (i.types[2], imm) == 0); | |
7381 | } | |
29b0f896 AM |
7382 | |
7383 | return 1; | |
7384 | } | |
7385 | ||
7386 | static int | |
e3bb37b5 | 7387 | process_operands (void) |
29b0f896 AM |
7388 | { |
7389 | /* Default segment register this instruction will use for memory | |
7390 | accesses. 0 means unknown. This is only for optimizing out | |
7391 | unnecessary segment overrides. */ | |
7392 | const seg_entry *default_seg = 0; | |
7393 | ||
2426c15f | 7394 | if (i.tm.opcode_modifier.sse2avx && i.tm.opcode_modifier.vexvvvv) |
29b0f896 | 7395 | { |
91d6fa6a NC |
7396 | unsigned int dupl = i.operands; |
7397 | unsigned int dest = dupl - 1; | |
9fcfb3d7 L |
7398 | unsigned int j; |
7399 | ||
c0f3af97 | 7400 | /* The destination must be an xmm register. */ |
9c2799c2 | 7401 | gas_assert (i.reg_operands |
91d6fa6a | 7402 | && MAX_OPERANDS > dupl |
7ab9ffdd | 7403 | && operand_type_equal (&i.types[dest], ®xmm)); |
c0f3af97 | 7404 | |
75e5731b | 7405 | if (i.tm.operand_types[0].bitfield.instance == Accum |
1b54b8d7 | 7406 | && i.tm.operand_types[0].bitfield.xmmword) |
e2ec9d29 | 7407 | { |
8cd7925b | 7408 | if (i.tm.opcode_modifier.vexsources == VEX3SOURCES) |
c0f3af97 L |
7409 | { |
7410 | /* Keep xmm0 for instructions with VEX prefix and 3 | |
7411 | sources. */ | |
75e5731b | 7412 | i.tm.operand_types[0].bitfield.instance = InstanceNone; |
3528c362 | 7413 | i.tm.operand_types[0].bitfield.class = RegSIMD; |
c0f3af97 L |
7414 | goto duplicate; |
7415 | } | |
e2ec9d29 | 7416 | else |
c0f3af97 L |
7417 | { |
7418 | /* We remove the first xmm0 and keep the number of | |
7419 | operands unchanged, which in fact duplicates the | |
7420 | destination. */ | |
7421 | for (j = 1; j < i.operands; j++) | |
7422 | { | |
7423 | i.op[j - 1] = i.op[j]; | |
7424 | i.types[j - 1] = i.types[j]; | |
7425 | i.tm.operand_types[j - 1] = i.tm.operand_types[j]; | |
8dc0818e | 7426 | i.flags[j - 1] = i.flags[j]; |
c0f3af97 L |
7427 | } |
7428 | } | |
7429 | } | |
7430 | else if (i.tm.opcode_modifier.implicit1stxmm0) | |
7ab9ffdd | 7431 | { |
91d6fa6a | 7432 | gas_assert ((MAX_OPERANDS - 1) > dupl |
8cd7925b L |
7433 | && (i.tm.opcode_modifier.vexsources |
7434 | == VEX3SOURCES)); | |
c0f3af97 L |
7435 | |
7436 | /* Add the implicit xmm0 for instructions with VEX prefix | |
7437 | and 3 sources. */ | |
7438 | for (j = i.operands; j > 0; j--) | |
7439 | { | |
7440 | i.op[j] = i.op[j - 1]; | |
7441 | i.types[j] = i.types[j - 1]; | |
7442 | i.tm.operand_types[j] = i.tm.operand_types[j - 1]; | |
8dc0818e | 7443 | i.flags[j] = i.flags[j - 1]; |
c0f3af97 L |
7444 | } |
7445 | i.op[0].regs | |
7446 | = (const reg_entry *) hash_find (reg_hash, "xmm0"); | |
7ab9ffdd | 7447 | i.types[0] = regxmm; |
c0f3af97 L |
7448 | i.tm.operand_types[0] = regxmm; |
7449 | ||
7450 | i.operands += 2; | |
7451 | i.reg_operands += 2; | |
7452 | i.tm.operands += 2; | |
7453 | ||
91d6fa6a | 7454 | dupl++; |
c0f3af97 | 7455 | dest++; |
91d6fa6a NC |
7456 | i.op[dupl] = i.op[dest]; |
7457 | i.types[dupl] = i.types[dest]; | |
7458 | i.tm.operand_types[dupl] = i.tm.operand_types[dest]; | |
8dc0818e | 7459 | i.flags[dupl] = i.flags[dest]; |
e2ec9d29 | 7460 | } |
c0f3af97 L |
7461 | else |
7462 | { | |
dc1e8a47 | 7463 | duplicate: |
c0f3af97 L |
7464 | i.operands++; |
7465 | i.reg_operands++; | |
7466 | i.tm.operands++; | |
7467 | ||
91d6fa6a NC |
7468 | i.op[dupl] = i.op[dest]; |
7469 | i.types[dupl] = i.types[dest]; | |
7470 | i.tm.operand_types[dupl] = i.tm.operand_types[dest]; | |
8dc0818e | 7471 | i.flags[dupl] = i.flags[dest]; |
c0f3af97 L |
7472 | } |
7473 | ||
7474 | if (i.tm.opcode_modifier.immext) | |
7475 | process_immext (); | |
7476 | } | |
75e5731b | 7477 | else if (i.tm.operand_types[0].bitfield.instance == Accum |
1b54b8d7 | 7478 | && i.tm.operand_types[0].bitfield.xmmword) |
c0f3af97 L |
7479 | { |
7480 | unsigned int j; | |
7481 | ||
9fcfb3d7 L |
7482 | for (j = 1; j < i.operands; j++) |
7483 | { | |
7484 | i.op[j - 1] = i.op[j]; | |
7485 | i.types[j - 1] = i.types[j]; | |
7486 | ||
7487 | /* We need to adjust fields in i.tm since they are used by | |
7488 | build_modrm_byte. */ | |
7489 | i.tm.operand_types [j - 1] = i.tm.operand_types [j]; | |
8dc0818e JB |
7490 | |
7491 | i.flags[j - 1] = i.flags[j]; | |
9fcfb3d7 L |
7492 | } |
7493 | ||
e2ec9d29 L |
7494 | i.operands--; |
7495 | i.reg_operands--; | |
e2ec9d29 L |
7496 | i.tm.operands--; |
7497 | } | |
920d2ddc IT |
7498 | else if (i.tm.opcode_modifier.implicitquadgroup) |
7499 | { | |
a477a8c4 JB |
7500 | unsigned int regnum, first_reg_in_group, last_reg_in_group; |
7501 | ||
920d2ddc | 7502 | /* The second operand must be {x,y,z}mmN, where N is a multiple of 4. */ |
3528c362 | 7503 | gas_assert (i.operands >= 2 && i.types[1].bitfield.class == RegSIMD); |
a477a8c4 JB |
7504 | regnum = register_number (i.op[1].regs); |
7505 | first_reg_in_group = regnum & ~3; | |
7506 | last_reg_in_group = first_reg_in_group + 3; | |
7507 | if (regnum != first_reg_in_group) | |
7508 | as_warn (_("source register `%s%s' implicitly denotes" | |
7509 | " `%s%.3s%u' to `%s%.3s%u' source group in `%s'"), | |
7510 | register_prefix, i.op[1].regs->reg_name, | |
7511 | register_prefix, i.op[1].regs->reg_name, first_reg_in_group, | |
7512 | register_prefix, i.op[1].regs->reg_name, last_reg_in_group, | |
7513 | i.tm.name); | |
7514 | } | |
e2ec9d29 L |
7515 | else if (i.tm.opcode_modifier.regkludge) |
7516 | { | |
7517 | /* The imul $imm, %reg instruction is converted into | |
7518 | imul $imm, %reg, %reg, and the clr %reg instruction | |
7519 | is converted into xor %reg, %reg. */ | |
7520 | ||
7521 | unsigned int first_reg_op; | |
7522 | ||
7523 | if (operand_type_check (i.types[0], reg)) | |
7524 | first_reg_op = 0; | |
7525 | else | |
7526 | first_reg_op = 1; | |
7527 | /* Pretend we saw the extra register operand. */ | |
9c2799c2 | 7528 | gas_assert (i.reg_operands == 1 |
7ab9ffdd | 7529 | && i.op[first_reg_op + 1].regs == 0); |
e2ec9d29 L |
7530 | i.op[first_reg_op + 1].regs = i.op[first_reg_op].regs; |
7531 | i.types[first_reg_op + 1] = i.types[first_reg_op]; | |
7532 | i.operands++; | |
7533 | i.reg_operands++; | |
29b0f896 AM |
7534 | } |
7535 | ||
85b80b0f | 7536 | if (i.tm.opcode_modifier.modrm) |
29b0f896 AM |
7537 | { |
7538 | /* The opcode is completed (modulo i.tm.extension_opcode which | |
52271982 AM |
7539 | must be put into the modrm byte). Now, we make the modrm and |
7540 | index base bytes based on all the info we've collected. */ | |
29b0f896 AM |
7541 | |
7542 | default_seg = build_modrm_byte (); | |
7543 | } | |
00cee14f | 7544 | else if (i.types[0].bitfield.class == SReg) |
85b80b0f JB |
7545 | { |
7546 | if (flag_code != CODE_64BIT | |
7547 | ? i.tm.base_opcode == POP_SEG_SHORT | |
7548 | && i.op[0].regs->reg_num == 1 | |
7549 | : (i.tm.base_opcode | 1) == POP_SEG386_SHORT | |
7550 | && i.op[0].regs->reg_num < 4) | |
7551 | { | |
7552 | as_bad (_("you can't `%s %s%s'"), | |
7553 | i.tm.name, register_prefix, i.op[0].regs->reg_name); | |
7554 | return 0; | |
7555 | } | |
7556 | if ( i.op[0].regs->reg_num > 3 && i.tm.opcode_length == 1 ) | |
7557 | { | |
7558 | i.tm.base_opcode ^= POP_SEG_SHORT ^ POP_SEG386_SHORT; | |
7559 | i.tm.opcode_length = 2; | |
7560 | } | |
7561 | i.tm.base_opcode |= (i.op[0].regs->reg_num << 3); | |
7562 | } | |
8a2ed489 | 7563 | else if ((i.tm.base_opcode & ~0x3) == MOV_AX_DISP32) |
29b0f896 AM |
7564 | { |
7565 | default_seg = &ds; | |
7566 | } | |
40fb9820 | 7567 | else if (i.tm.opcode_modifier.isstring) |
29b0f896 AM |
7568 | { |
7569 | /* For the string instructions that allow a segment override | |
7570 | on one of their operands, the default segment is ds. */ | |
7571 | default_seg = &ds; | |
7572 | } | |
50128d0c | 7573 | else if (i.short_form) |
85b80b0f JB |
7574 | { |
7575 | /* The register or float register operand is in operand | |
7576 | 0 or 1. */ | |
bab6aec1 | 7577 | unsigned int op = i.tm.operand_types[0].bitfield.class != Reg; |
85b80b0f JB |
7578 | |
7579 | /* Register goes in low 3 bits of opcode. */ | |
7580 | i.tm.base_opcode |= i.op[op].regs->reg_num; | |
7581 | if ((i.op[op].regs->reg_flags & RegRex) != 0) | |
7582 | i.rex |= REX_B; | |
7583 | if (!quiet_warnings && i.tm.opcode_modifier.ugh) | |
7584 | { | |
7585 | /* Warn about some common errors, but press on regardless. | |
7586 | The first case can be generated by gcc (<= 2.8.1). */ | |
7587 | if (i.operands == 2) | |
7588 | { | |
7589 | /* Reversed arguments on faddp, fsubp, etc. */ | |
7590 | as_warn (_("translating to `%s %s%s,%s%s'"), i.tm.name, | |
7591 | register_prefix, i.op[!intel_syntax].regs->reg_name, | |
7592 | register_prefix, i.op[intel_syntax].regs->reg_name); | |
7593 | } | |
7594 | else | |
7595 | { | |
7596 | /* Extraneous `l' suffix on fp insn. */ | |
7597 | as_warn (_("translating to `%s %s%s'"), i.tm.name, | |
7598 | register_prefix, i.op[0].regs->reg_name); | |
7599 | } | |
7600 | } | |
7601 | } | |
29b0f896 | 7602 | |
514a8bb0 | 7603 | if ((i.seg[0] || i.prefix[SEG_PREFIX]) |
514a8bb0 JB |
7604 | && i.tm.base_opcode == 0x8d /* lea */ |
7605 | && !is_any_vex_encoding(&i.tm)) | |
92334ad2 JB |
7606 | { |
7607 | if (!quiet_warnings) | |
7608 | as_warn (_("segment override on `%s' is ineffectual"), i.tm.name); | |
7609 | if (optimize) | |
7610 | { | |
7611 | i.seg[0] = NULL; | |
7612 | i.prefix[SEG_PREFIX] = 0; | |
7613 | } | |
7614 | } | |
52271982 AM |
7615 | |
7616 | /* If a segment was explicitly specified, and the specified segment | |
b6773884 JB |
7617 | is neither the default nor the one already recorded from a prefix, |
7618 | use an opcode prefix to select it. If we never figured out what | |
7619 | the default segment is, then default_seg will be zero at this | |
7620 | point, and the specified segment prefix will always be used. */ | |
7621 | if (i.seg[0] | |
7622 | && i.seg[0] != default_seg | |
7623 | && i.seg[0]->seg_prefix != i.prefix[SEG_PREFIX]) | |
29b0f896 AM |
7624 | { |
7625 | if (!add_prefix (i.seg[0]->seg_prefix)) | |
7626 | return 0; | |
7627 | } | |
7628 | return 1; | |
7629 | } | |
7630 | ||
7631 | static const seg_entry * | |
e3bb37b5 | 7632 | build_modrm_byte (void) |
29b0f896 AM |
7633 | { |
7634 | const seg_entry *default_seg = 0; | |
c0f3af97 | 7635 | unsigned int source, dest; |
8cd7925b | 7636 | int vex_3_sources; |
c0f3af97 | 7637 | |
8cd7925b | 7638 | vex_3_sources = i.tm.opcode_modifier.vexsources == VEX3SOURCES; |
c0f3af97 L |
7639 | if (vex_3_sources) |
7640 | { | |
91d6fa6a | 7641 | unsigned int nds, reg_slot; |
4c2c6516 | 7642 | expressionS *exp; |
c0f3af97 | 7643 | |
6b8d3588 | 7644 | dest = i.operands - 1; |
c0f3af97 | 7645 | nds = dest - 1; |
922d8de8 | 7646 | |
a683cc34 | 7647 | /* There are 2 kinds of instructions: |
bed3d976 | 7648 | 1. 5 operands: 4 register operands or 3 register operands |
9d3bf266 | 7649 | plus 1 memory operand plus one Imm4 operand, VexXDS, and |
bed3d976 | 7650 | VexW0 or VexW1. The destination must be either XMM, YMM or |
43234a1e | 7651 | ZMM register. |
bed3d976 | 7652 | 2. 4 operands: 4 register operands or 3 register operands |
2f1bada2 | 7653 | plus 1 memory operand, with VexXDS. */ |
922d8de8 | 7654 | gas_assert ((i.reg_operands == 4 |
bed3d976 JB |
7655 | || (i.reg_operands == 3 && i.mem_operands == 1)) |
7656 | && i.tm.opcode_modifier.vexvvvv == VEXXDS | |
dcd7e323 | 7657 | && i.tm.opcode_modifier.vexw |
3528c362 | 7658 | && i.tm.operand_types[dest].bitfield.class == RegSIMD); |
a683cc34 | 7659 | |
48db9223 JB |
7660 | /* If VexW1 is set, the first non-immediate operand is the source and |
7661 | the second non-immediate one is encoded in the immediate operand. */ | |
7662 | if (i.tm.opcode_modifier.vexw == VEXW1) | |
7663 | { | |
7664 | source = i.imm_operands; | |
7665 | reg_slot = i.imm_operands + 1; | |
7666 | } | |
7667 | else | |
7668 | { | |
7669 | source = i.imm_operands + 1; | |
7670 | reg_slot = i.imm_operands; | |
7671 | } | |
7672 | ||
a683cc34 | 7673 | if (i.imm_operands == 0) |
bed3d976 JB |
7674 | { |
7675 | /* When there is no immediate operand, generate an 8bit | |
7676 | immediate operand to encode the first operand. */ | |
7677 | exp = &im_expressions[i.imm_operands++]; | |
7678 | i.op[i.operands].imms = exp; | |
7679 | i.types[i.operands] = imm8; | |
7680 | i.operands++; | |
7681 | ||
3528c362 | 7682 | gas_assert (i.tm.operand_types[reg_slot].bitfield.class == RegSIMD); |
bed3d976 JB |
7683 | exp->X_op = O_constant; |
7684 | exp->X_add_number = register_number (i.op[reg_slot].regs) << 4; | |
43234a1e L |
7685 | gas_assert ((i.op[reg_slot].regs->reg_flags & RegVRex) == 0); |
7686 | } | |
922d8de8 | 7687 | else |
bed3d976 | 7688 | { |
9d3bf266 JB |
7689 | gas_assert (i.imm_operands == 1); |
7690 | gas_assert (fits_in_imm4 (i.op[0].imms->X_add_number)); | |
7691 | gas_assert (!i.tm.opcode_modifier.immext); | |
a683cc34 | 7692 | |
9d3bf266 JB |
7693 | /* Turn on Imm8 again so that output_imm will generate it. */ |
7694 | i.types[0].bitfield.imm8 = 1; | |
bed3d976 | 7695 | |
3528c362 | 7696 | gas_assert (i.tm.operand_types[reg_slot].bitfield.class == RegSIMD); |
9d3bf266 | 7697 | i.op[0].imms->X_add_number |
bed3d976 | 7698 | |= register_number (i.op[reg_slot].regs) << 4; |
43234a1e | 7699 | gas_assert ((i.op[reg_slot].regs->reg_flags & RegVRex) == 0); |
bed3d976 | 7700 | } |
a683cc34 | 7701 | |
3528c362 | 7702 | gas_assert (i.tm.operand_types[nds].bitfield.class == RegSIMD); |
dae39acc | 7703 | i.vex.register_specifier = i.op[nds].regs; |
c0f3af97 L |
7704 | } |
7705 | else | |
7706 | source = dest = 0; | |
29b0f896 AM |
7707 | |
7708 | /* i.reg_operands MUST be the number of real register operands; | |
c0f3af97 L |
7709 | implicit registers do not count. If there are 3 register |
7710 | operands, it must be a instruction with VexNDS. For a | |
7711 | instruction with VexNDD, the destination register is encoded | |
7712 | in VEX prefix. If there are 4 register operands, it must be | |
7713 | a instruction with VEX prefix and 3 sources. */ | |
7ab9ffdd L |
7714 | if (i.mem_operands == 0 |
7715 | && ((i.reg_operands == 2 | |
2426c15f | 7716 | && i.tm.opcode_modifier.vexvvvv <= VEXXDS) |
7ab9ffdd | 7717 | || (i.reg_operands == 3 |
2426c15f | 7718 | && i.tm.opcode_modifier.vexvvvv == VEXXDS) |
7ab9ffdd | 7719 | || (i.reg_operands == 4 && vex_3_sources))) |
29b0f896 | 7720 | { |
cab737b9 L |
7721 | switch (i.operands) |
7722 | { | |
7723 | case 2: | |
7724 | source = 0; | |
7725 | break; | |
7726 | case 3: | |
c81128dc L |
7727 | /* When there are 3 operands, one of them may be immediate, |
7728 | which may be the first or the last operand. Otherwise, | |
c0f3af97 L |
7729 | the first operand must be shift count register (cl) or it |
7730 | is an instruction with VexNDS. */ | |
9c2799c2 | 7731 | gas_assert (i.imm_operands == 1 |
7ab9ffdd | 7732 | || (i.imm_operands == 0 |
2426c15f | 7733 | && (i.tm.opcode_modifier.vexvvvv == VEXXDS |
75e5731b JB |
7734 | || (i.types[0].bitfield.instance == RegC |
7735 | && i.types[0].bitfield.byte)))); | |
40fb9820 | 7736 | if (operand_type_check (i.types[0], imm) |
75e5731b JB |
7737 | || (i.types[0].bitfield.instance == RegC |
7738 | && i.types[0].bitfield.byte)) | |
40fb9820 L |
7739 | source = 1; |
7740 | else | |
7741 | source = 0; | |
cab737b9 L |
7742 | break; |
7743 | case 4: | |
368d64cc L |
7744 | /* When there are 4 operands, the first two must be 8bit |
7745 | immediate operands. The source operand will be the 3rd | |
c0f3af97 L |
7746 | one. |
7747 | ||
7748 | For instructions with VexNDS, if the first operand | |
7749 | an imm8, the source operand is the 2nd one. If the last | |
7750 | operand is imm8, the source operand is the first one. */ | |
9c2799c2 | 7751 | gas_assert ((i.imm_operands == 2 |
7ab9ffdd L |
7752 | && i.types[0].bitfield.imm8 |
7753 | && i.types[1].bitfield.imm8) | |
2426c15f | 7754 | || (i.tm.opcode_modifier.vexvvvv == VEXXDS |
7ab9ffdd L |
7755 | && i.imm_operands == 1 |
7756 | && (i.types[0].bitfield.imm8 | |
43234a1e L |
7757 | || i.types[i.operands - 1].bitfield.imm8 |
7758 | || i.rounding))); | |
9f2670f2 L |
7759 | if (i.imm_operands == 2) |
7760 | source = 2; | |
7761 | else | |
c0f3af97 L |
7762 | { |
7763 | if (i.types[0].bitfield.imm8) | |
7764 | source = 1; | |
7765 | else | |
7766 | source = 0; | |
7767 | } | |
c0f3af97 L |
7768 | break; |
7769 | case 5: | |
e771e7c9 | 7770 | if (is_evex_encoding (&i.tm)) |
43234a1e L |
7771 | { |
7772 | /* For EVEX instructions, when there are 5 operands, the | |
7773 | first one must be immediate operand. If the second one | |
7774 | is immediate operand, the source operand is the 3th | |
7775 | one. If the last one is immediate operand, the source | |
7776 | operand is the 2nd one. */ | |
7777 | gas_assert (i.imm_operands == 2 | |
7778 | && i.tm.opcode_modifier.sae | |
7779 | && operand_type_check (i.types[0], imm)); | |
7780 | if (operand_type_check (i.types[1], imm)) | |
7781 | source = 2; | |
7782 | else if (operand_type_check (i.types[4], imm)) | |
7783 | source = 1; | |
7784 | else | |
7785 | abort (); | |
7786 | } | |
cab737b9 L |
7787 | break; |
7788 | default: | |
7789 | abort (); | |
7790 | } | |
7791 | ||
c0f3af97 L |
7792 | if (!vex_3_sources) |
7793 | { | |
7794 | dest = source + 1; | |
7795 | ||
43234a1e L |
7796 | /* RC/SAE operand could be between DEST and SRC. That happens |
7797 | when one operand is GPR and the other one is XMM/YMM/ZMM | |
7798 | register. */ | |
7799 | if (i.rounding && i.rounding->operand == (int) dest) | |
7800 | dest++; | |
7801 | ||
2426c15f | 7802 | if (i.tm.opcode_modifier.vexvvvv == VEXXDS) |
c0f3af97 | 7803 | { |
43234a1e | 7804 | /* For instructions with VexNDS, the register-only source |
c5d0745b | 7805 | operand must be a 32/64bit integer, XMM, YMM, ZMM, or mask |
dfd69174 | 7806 | register. It is encoded in VEX prefix. */ |
f12dc422 L |
7807 | |
7808 | i386_operand_type op; | |
7809 | unsigned int vvvv; | |
7810 | ||
7811 | /* Check register-only source operand when two source | |
7812 | operands are swapped. */ | |
7813 | if (!i.tm.operand_types[source].bitfield.baseindex | |
7814 | && i.tm.operand_types[dest].bitfield.baseindex) | |
7815 | { | |
7816 | vvvv = source; | |
7817 | source = dest; | |
7818 | } | |
7819 | else | |
7820 | vvvv = dest; | |
7821 | ||
7822 | op = i.tm.operand_types[vvvv]; | |
c0f3af97 | 7823 | if ((dest + 1) >= i.operands |
bab6aec1 | 7824 | || ((op.bitfield.class != Reg |
dc821c5f | 7825 | || (!op.bitfield.dword && !op.bitfield.qword)) |
3528c362 | 7826 | && op.bitfield.class != RegSIMD |
43234a1e | 7827 | && !operand_type_equal (&op, ®mask))) |
c0f3af97 | 7828 | abort (); |
f12dc422 | 7829 | i.vex.register_specifier = i.op[vvvv].regs; |
c0f3af97 L |
7830 | dest++; |
7831 | } | |
7832 | } | |
29b0f896 AM |
7833 | |
7834 | i.rm.mode = 3; | |
dfd69174 JB |
7835 | /* One of the register operands will be encoded in the i.rm.reg |
7836 | field, the other in the combined i.rm.mode and i.rm.regmem | |
29b0f896 AM |
7837 | fields. If no form of this instruction supports a memory |
7838 | destination operand, then we assume the source operand may | |
7839 | sometimes be a memory operand and so we need to store the | |
7840 | destination in the i.rm.reg field. */ | |
dfd69174 | 7841 | if (!i.tm.opcode_modifier.regmem |
40fb9820 | 7842 | && operand_type_check (i.tm.operand_types[dest], anymem) == 0) |
29b0f896 AM |
7843 | { |
7844 | i.rm.reg = i.op[dest].regs->reg_num; | |
7845 | i.rm.regmem = i.op[source].regs->reg_num; | |
3528c362 JB |
7846 | if (i.op[dest].regs->reg_type.bitfield.class == RegMMX |
7847 | || i.op[source].regs->reg_type.bitfield.class == RegMMX) | |
b4a3a7b4 | 7848 | i.has_regmmx = TRUE; |
3528c362 JB |
7849 | else if (i.op[dest].regs->reg_type.bitfield.class == RegSIMD |
7850 | || i.op[source].regs->reg_type.bitfield.class == RegSIMD) | |
b4a3a7b4 L |
7851 | { |
7852 | if (i.types[dest].bitfield.zmmword | |
7853 | || i.types[source].bitfield.zmmword) | |
7854 | i.has_regzmm = TRUE; | |
7855 | else if (i.types[dest].bitfield.ymmword | |
7856 | || i.types[source].bitfield.ymmword) | |
7857 | i.has_regymm = TRUE; | |
7858 | else | |
7859 | i.has_regxmm = TRUE; | |
7860 | } | |
29b0f896 | 7861 | if ((i.op[dest].regs->reg_flags & RegRex) != 0) |
161a04f6 | 7862 | i.rex |= REX_R; |
43234a1e L |
7863 | if ((i.op[dest].regs->reg_flags & RegVRex) != 0) |
7864 | i.vrex |= REX_R; | |
29b0f896 | 7865 | if ((i.op[source].regs->reg_flags & RegRex) != 0) |
161a04f6 | 7866 | i.rex |= REX_B; |
43234a1e L |
7867 | if ((i.op[source].regs->reg_flags & RegVRex) != 0) |
7868 | i.vrex |= REX_B; | |
29b0f896 AM |
7869 | } |
7870 | else | |
7871 | { | |
7872 | i.rm.reg = i.op[source].regs->reg_num; | |
7873 | i.rm.regmem = i.op[dest].regs->reg_num; | |
7874 | if ((i.op[dest].regs->reg_flags & RegRex) != 0) | |
161a04f6 | 7875 | i.rex |= REX_B; |
43234a1e L |
7876 | if ((i.op[dest].regs->reg_flags & RegVRex) != 0) |
7877 | i.vrex |= REX_B; | |
29b0f896 | 7878 | if ((i.op[source].regs->reg_flags & RegRex) != 0) |
161a04f6 | 7879 | i.rex |= REX_R; |
43234a1e L |
7880 | if ((i.op[source].regs->reg_flags & RegVRex) != 0) |
7881 | i.vrex |= REX_R; | |
29b0f896 | 7882 | } |
e0c7f900 | 7883 | if (flag_code != CODE_64BIT && (i.rex & REX_R)) |
c4a530c5 | 7884 | { |
4a5c67ed | 7885 | if (i.types[!i.tm.opcode_modifier.regmem].bitfield.class != RegCR) |
c4a530c5 | 7886 | abort (); |
e0c7f900 | 7887 | i.rex &= ~REX_R; |
c4a530c5 JB |
7888 | add_prefix (LOCK_PREFIX_OPCODE); |
7889 | } | |
29b0f896 AM |
7890 | } |
7891 | else | |
7892 | { /* If it's not 2 reg operands... */ | |
c0f3af97 L |
7893 | unsigned int mem; |
7894 | ||
29b0f896 AM |
7895 | if (i.mem_operands) |
7896 | { | |
7897 | unsigned int fake_zero_displacement = 0; | |
99018f42 | 7898 | unsigned int op; |
4eed87de | 7899 | |
7ab9ffdd | 7900 | for (op = 0; op < i.operands; op++) |
8dc0818e | 7901 | if (i.flags[op] & Operand_Mem) |
7ab9ffdd | 7902 | break; |
7ab9ffdd | 7903 | gas_assert (op < i.operands); |
29b0f896 | 7904 | |
6c30d220 L |
7905 | if (i.tm.opcode_modifier.vecsib) |
7906 | { | |
e968fc9b | 7907 | if (i.index_reg->reg_num == RegIZ) |
6c30d220 L |
7908 | abort (); |
7909 | ||
7910 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; | |
7911 | if (!i.base_reg) | |
7912 | { | |
7913 | i.sib.base = NO_BASE_REGISTER; | |
7914 | i.sib.scale = i.log2_scale_factor; | |
7915 | i.types[op].bitfield.disp8 = 0; | |
7916 | i.types[op].bitfield.disp16 = 0; | |
7917 | i.types[op].bitfield.disp64 = 0; | |
43083a50 | 7918 | if (flag_code != CODE_64BIT || i.prefix[ADDR_PREFIX]) |
6c30d220 L |
7919 | { |
7920 | /* Must be 32 bit */ | |
7921 | i.types[op].bitfield.disp32 = 1; | |
7922 | i.types[op].bitfield.disp32s = 0; | |
7923 | } | |
7924 | else | |
7925 | { | |
7926 | i.types[op].bitfield.disp32 = 0; | |
7927 | i.types[op].bitfield.disp32s = 1; | |
7928 | } | |
7929 | } | |
7930 | i.sib.index = i.index_reg->reg_num; | |
7931 | if ((i.index_reg->reg_flags & RegRex) != 0) | |
7932 | i.rex |= REX_X; | |
43234a1e L |
7933 | if ((i.index_reg->reg_flags & RegVRex) != 0) |
7934 | i.vrex |= REX_X; | |
6c30d220 L |
7935 | } |
7936 | ||
29b0f896 AM |
7937 | default_seg = &ds; |
7938 | ||
7939 | if (i.base_reg == 0) | |
7940 | { | |
7941 | i.rm.mode = 0; | |
7942 | if (!i.disp_operands) | |
9bb129e8 | 7943 | fake_zero_displacement = 1; |
29b0f896 AM |
7944 | if (i.index_reg == 0) |
7945 | { | |
73053c1f JB |
7946 | i386_operand_type newdisp; |
7947 | ||
6c30d220 | 7948 | gas_assert (!i.tm.opcode_modifier.vecsib); |
29b0f896 | 7949 | /* Operand is just <disp> */ |
20f0a1fc | 7950 | if (flag_code == CODE_64BIT) |
29b0f896 AM |
7951 | { |
7952 | /* 64bit mode overwrites the 32bit absolute | |
7953 | addressing by RIP relative addressing and | |
7954 | absolute addressing is encoded by one of the | |
7955 | redundant SIB forms. */ | |
7956 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; | |
7957 | i.sib.base = NO_BASE_REGISTER; | |
7958 | i.sib.index = NO_INDEX_REGISTER; | |
73053c1f | 7959 | newdisp = (!i.prefix[ADDR_PREFIX] ? disp32s : disp32); |
20f0a1fc | 7960 | } |
fc225355 L |
7961 | else if ((flag_code == CODE_16BIT) |
7962 | ^ (i.prefix[ADDR_PREFIX] != 0)) | |
20f0a1fc NC |
7963 | { |
7964 | i.rm.regmem = NO_BASE_REGISTER_16; | |
73053c1f | 7965 | newdisp = disp16; |
20f0a1fc NC |
7966 | } |
7967 | else | |
7968 | { | |
7969 | i.rm.regmem = NO_BASE_REGISTER; | |
73053c1f | 7970 | newdisp = disp32; |
29b0f896 | 7971 | } |
73053c1f JB |
7972 | i.types[op] = operand_type_and_not (i.types[op], anydisp); |
7973 | i.types[op] = operand_type_or (i.types[op], newdisp); | |
29b0f896 | 7974 | } |
6c30d220 | 7975 | else if (!i.tm.opcode_modifier.vecsib) |
29b0f896 | 7976 | { |
6c30d220 | 7977 | /* !i.base_reg && i.index_reg */ |
e968fc9b | 7978 | if (i.index_reg->reg_num == RegIZ) |
db51cc60 L |
7979 | i.sib.index = NO_INDEX_REGISTER; |
7980 | else | |
7981 | i.sib.index = i.index_reg->reg_num; | |
29b0f896 AM |
7982 | i.sib.base = NO_BASE_REGISTER; |
7983 | i.sib.scale = i.log2_scale_factor; | |
7984 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; | |
40fb9820 L |
7985 | i.types[op].bitfield.disp8 = 0; |
7986 | i.types[op].bitfield.disp16 = 0; | |
7987 | i.types[op].bitfield.disp64 = 0; | |
43083a50 | 7988 | if (flag_code != CODE_64BIT || i.prefix[ADDR_PREFIX]) |
40fb9820 L |
7989 | { |
7990 | /* Must be 32 bit */ | |
7991 | i.types[op].bitfield.disp32 = 1; | |
7992 | i.types[op].bitfield.disp32s = 0; | |
7993 | } | |
29b0f896 | 7994 | else |
40fb9820 L |
7995 | { |
7996 | i.types[op].bitfield.disp32 = 0; | |
7997 | i.types[op].bitfield.disp32s = 1; | |
7998 | } | |
29b0f896 | 7999 | if ((i.index_reg->reg_flags & RegRex) != 0) |
161a04f6 | 8000 | i.rex |= REX_X; |
29b0f896 AM |
8001 | } |
8002 | } | |
8003 | /* RIP addressing for 64bit mode. */ | |
e968fc9b | 8004 | else if (i.base_reg->reg_num == RegIP) |
29b0f896 | 8005 | { |
6c30d220 | 8006 | gas_assert (!i.tm.opcode_modifier.vecsib); |
29b0f896 | 8007 | i.rm.regmem = NO_BASE_REGISTER; |
40fb9820 L |
8008 | i.types[op].bitfield.disp8 = 0; |
8009 | i.types[op].bitfield.disp16 = 0; | |
8010 | i.types[op].bitfield.disp32 = 0; | |
8011 | i.types[op].bitfield.disp32s = 1; | |
8012 | i.types[op].bitfield.disp64 = 0; | |
71903a11 | 8013 | i.flags[op] |= Operand_PCrel; |
20f0a1fc NC |
8014 | if (! i.disp_operands) |
8015 | fake_zero_displacement = 1; | |
29b0f896 | 8016 | } |
dc821c5f | 8017 | else if (i.base_reg->reg_type.bitfield.word) |
29b0f896 | 8018 | { |
6c30d220 | 8019 | gas_assert (!i.tm.opcode_modifier.vecsib); |
29b0f896 AM |
8020 | switch (i.base_reg->reg_num) |
8021 | { | |
8022 | case 3: /* (%bx) */ | |
8023 | if (i.index_reg == 0) | |
8024 | i.rm.regmem = 7; | |
8025 | else /* (%bx,%si) -> 0, or (%bx,%di) -> 1 */ | |
8026 | i.rm.regmem = i.index_reg->reg_num - 6; | |
8027 | break; | |
8028 | case 5: /* (%bp) */ | |
8029 | default_seg = &ss; | |
8030 | if (i.index_reg == 0) | |
8031 | { | |
8032 | i.rm.regmem = 6; | |
40fb9820 | 8033 | if (operand_type_check (i.types[op], disp) == 0) |
29b0f896 AM |
8034 | { |
8035 | /* fake (%bp) into 0(%bp) */ | |
b5014f7a | 8036 | i.types[op].bitfield.disp8 = 1; |
252b5132 | 8037 | fake_zero_displacement = 1; |
29b0f896 AM |
8038 | } |
8039 | } | |
8040 | else /* (%bp,%si) -> 2, or (%bp,%di) -> 3 */ | |
8041 | i.rm.regmem = i.index_reg->reg_num - 6 + 2; | |
8042 | break; | |
8043 | default: /* (%si) -> 4 or (%di) -> 5 */ | |
8044 | i.rm.regmem = i.base_reg->reg_num - 6 + 4; | |
8045 | } | |
8046 | i.rm.mode = mode_from_disp_size (i.types[op]); | |
8047 | } | |
8048 | else /* i.base_reg and 32/64 bit mode */ | |
8049 | { | |
8050 | if (flag_code == CODE_64BIT | |
40fb9820 L |
8051 | && operand_type_check (i.types[op], disp)) |
8052 | { | |
73053c1f JB |
8053 | i.types[op].bitfield.disp16 = 0; |
8054 | i.types[op].bitfield.disp64 = 0; | |
40fb9820 | 8055 | if (i.prefix[ADDR_PREFIX] == 0) |
73053c1f JB |
8056 | { |
8057 | i.types[op].bitfield.disp32 = 0; | |
8058 | i.types[op].bitfield.disp32s = 1; | |
8059 | } | |
40fb9820 | 8060 | else |
73053c1f JB |
8061 | { |
8062 | i.types[op].bitfield.disp32 = 1; | |
8063 | i.types[op].bitfield.disp32s = 0; | |
8064 | } | |
40fb9820 | 8065 | } |
20f0a1fc | 8066 | |
6c30d220 L |
8067 | if (!i.tm.opcode_modifier.vecsib) |
8068 | i.rm.regmem = i.base_reg->reg_num; | |
29b0f896 | 8069 | if ((i.base_reg->reg_flags & RegRex) != 0) |
161a04f6 | 8070 | i.rex |= REX_B; |
29b0f896 AM |
8071 | i.sib.base = i.base_reg->reg_num; |
8072 | /* x86-64 ignores REX prefix bit here to avoid decoder | |
8073 | complications. */ | |
848930b2 JB |
8074 | if (!(i.base_reg->reg_flags & RegRex) |
8075 | && (i.base_reg->reg_num == EBP_REG_NUM | |
8076 | || i.base_reg->reg_num == ESP_REG_NUM)) | |
29b0f896 | 8077 | default_seg = &ss; |
848930b2 | 8078 | if (i.base_reg->reg_num == 5 && i.disp_operands == 0) |
29b0f896 | 8079 | { |
848930b2 | 8080 | fake_zero_displacement = 1; |
b5014f7a | 8081 | i.types[op].bitfield.disp8 = 1; |
29b0f896 AM |
8082 | } |
8083 | i.sib.scale = i.log2_scale_factor; | |
8084 | if (i.index_reg == 0) | |
8085 | { | |
6c30d220 | 8086 | gas_assert (!i.tm.opcode_modifier.vecsib); |
29b0f896 AM |
8087 | /* <disp>(%esp) becomes two byte modrm with no index |
8088 | register. We've already stored the code for esp | |
8089 | in i.rm.regmem ie. ESCAPE_TO_TWO_BYTE_ADDRESSING. | |
8090 | Any base register besides %esp will not use the | |
8091 | extra modrm byte. */ | |
8092 | i.sib.index = NO_INDEX_REGISTER; | |
29b0f896 | 8093 | } |
6c30d220 | 8094 | else if (!i.tm.opcode_modifier.vecsib) |
29b0f896 | 8095 | { |
e968fc9b | 8096 | if (i.index_reg->reg_num == RegIZ) |
db51cc60 L |
8097 | i.sib.index = NO_INDEX_REGISTER; |
8098 | else | |
8099 | i.sib.index = i.index_reg->reg_num; | |
29b0f896 AM |
8100 | i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING; |
8101 | if ((i.index_reg->reg_flags & RegRex) != 0) | |
161a04f6 | 8102 | i.rex |= REX_X; |
29b0f896 | 8103 | } |
67a4f2b7 AO |
8104 | |
8105 | if (i.disp_operands | |
8106 | && (i.reloc[op] == BFD_RELOC_386_TLS_DESC_CALL | |
8107 | || i.reloc[op] == BFD_RELOC_X86_64_TLSDESC_CALL)) | |
8108 | i.rm.mode = 0; | |
8109 | else | |
a501d77e L |
8110 | { |
8111 | if (!fake_zero_displacement | |
8112 | && !i.disp_operands | |
8113 | && i.disp_encoding) | |
8114 | { | |
8115 | fake_zero_displacement = 1; | |
8116 | if (i.disp_encoding == disp_encoding_8bit) | |
8117 | i.types[op].bitfield.disp8 = 1; | |
8118 | else | |
8119 | i.types[op].bitfield.disp32 = 1; | |
8120 | } | |
8121 | i.rm.mode = mode_from_disp_size (i.types[op]); | |
8122 | } | |
29b0f896 | 8123 | } |
252b5132 | 8124 | |
29b0f896 AM |
8125 | if (fake_zero_displacement) |
8126 | { | |
8127 | /* Fakes a zero displacement assuming that i.types[op] | |
8128 | holds the correct displacement size. */ | |
8129 | expressionS *exp; | |
8130 | ||
9c2799c2 | 8131 | gas_assert (i.op[op].disps == 0); |
29b0f896 AM |
8132 | exp = &disp_expressions[i.disp_operands++]; |
8133 | i.op[op].disps = exp; | |
8134 | exp->X_op = O_constant; | |
8135 | exp->X_add_number = 0; | |
8136 | exp->X_add_symbol = (symbolS *) 0; | |
8137 | exp->X_op_symbol = (symbolS *) 0; | |
8138 | } | |
c0f3af97 L |
8139 | |
8140 | mem = op; | |
29b0f896 | 8141 | } |
c0f3af97 L |
8142 | else |
8143 | mem = ~0; | |
252b5132 | 8144 | |
8c43a48b | 8145 | if (i.tm.opcode_modifier.vexsources == XOP2SOURCES) |
5dd85c99 SP |
8146 | { |
8147 | if (operand_type_check (i.types[0], imm)) | |
8148 | i.vex.register_specifier = NULL; | |
8149 | else | |
8150 | { | |
8151 | /* VEX.vvvv encodes one of the sources when the first | |
8152 | operand is not an immediate. */ | |
1ef99a7b | 8153 | if (i.tm.opcode_modifier.vexw == VEXW0) |
5dd85c99 SP |
8154 | i.vex.register_specifier = i.op[0].regs; |
8155 | else | |
8156 | i.vex.register_specifier = i.op[1].regs; | |
8157 | } | |
8158 | ||
8159 | /* Destination is a XMM register encoded in the ModRM.reg | |
8160 | and VEX.R bit. */ | |
8161 | i.rm.reg = i.op[2].regs->reg_num; | |
8162 | if ((i.op[2].regs->reg_flags & RegRex) != 0) | |
8163 | i.rex |= REX_R; | |
8164 | ||
8165 | /* ModRM.rm and VEX.B encodes the other source. */ | |
8166 | if (!i.mem_operands) | |
8167 | { | |
8168 | i.rm.mode = 3; | |
8169 | ||
1ef99a7b | 8170 | if (i.tm.opcode_modifier.vexw == VEXW0) |
5dd85c99 SP |
8171 | i.rm.regmem = i.op[1].regs->reg_num; |
8172 | else | |
8173 | i.rm.regmem = i.op[0].regs->reg_num; | |
8174 | ||
8175 | if ((i.op[1].regs->reg_flags & RegRex) != 0) | |
8176 | i.rex |= REX_B; | |
8177 | } | |
8178 | } | |
2426c15f | 8179 | else if (i.tm.opcode_modifier.vexvvvv == VEXLWP) |
f88c9eb0 SP |
8180 | { |
8181 | i.vex.register_specifier = i.op[2].regs; | |
8182 | if (!i.mem_operands) | |
8183 | { | |
8184 | i.rm.mode = 3; | |
8185 | i.rm.regmem = i.op[1].regs->reg_num; | |
8186 | if ((i.op[1].regs->reg_flags & RegRex) != 0) | |
8187 | i.rex |= REX_B; | |
8188 | } | |
8189 | } | |
29b0f896 AM |
8190 | /* Fill in i.rm.reg or i.rm.regmem field with register operand |
8191 | (if any) based on i.tm.extension_opcode. Again, we must be | |
8192 | careful to make sure that segment/control/debug/test/MMX | |
8193 | registers are coded into the i.rm.reg field. */ | |
f88c9eb0 | 8194 | else if (i.reg_operands) |
29b0f896 | 8195 | { |
99018f42 | 8196 | unsigned int op; |
7ab9ffdd L |
8197 | unsigned int vex_reg = ~0; |
8198 | ||
8199 | for (op = 0; op < i.operands; op++) | |
b4a3a7b4 | 8200 | { |
bab6aec1 | 8201 | if (i.types[op].bitfield.class == Reg |
f74a6307 JB |
8202 | || i.types[op].bitfield.class == RegBND |
8203 | || i.types[op].bitfield.class == RegMask | |
00cee14f | 8204 | || i.types[op].bitfield.class == SReg |
4a5c67ed JB |
8205 | || i.types[op].bitfield.class == RegCR |
8206 | || i.types[op].bitfield.class == RegDR | |
8207 | || i.types[op].bitfield.class == RegTR) | |
b4a3a7b4 | 8208 | break; |
3528c362 | 8209 | if (i.types[op].bitfield.class == RegSIMD) |
b4a3a7b4 L |
8210 | { |
8211 | if (i.types[op].bitfield.zmmword) | |
8212 | i.has_regzmm = TRUE; | |
8213 | else if (i.types[op].bitfield.ymmword) | |
8214 | i.has_regymm = TRUE; | |
8215 | else | |
8216 | i.has_regxmm = TRUE; | |
8217 | break; | |
8218 | } | |
3528c362 | 8219 | if (i.types[op].bitfield.class == RegMMX) |
b4a3a7b4 L |
8220 | { |
8221 | i.has_regmmx = TRUE; | |
8222 | break; | |
8223 | } | |
8224 | } | |
c0209578 | 8225 | |
7ab9ffdd L |
8226 | if (vex_3_sources) |
8227 | op = dest; | |
2426c15f | 8228 | else if (i.tm.opcode_modifier.vexvvvv == VEXXDS) |
7ab9ffdd L |
8229 | { |
8230 | /* For instructions with VexNDS, the register-only | |
8231 | source operand is encoded in VEX prefix. */ | |
8232 | gas_assert (mem != (unsigned int) ~0); | |
c0f3af97 | 8233 | |
7ab9ffdd | 8234 | if (op > mem) |
c0f3af97 | 8235 | { |
7ab9ffdd L |
8236 | vex_reg = op++; |
8237 | gas_assert (op < i.operands); | |
c0f3af97 L |
8238 | } |
8239 | else | |
c0f3af97 | 8240 | { |
f12dc422 L |
8241 | /* Check register-only source operand when two source |
8242 | operands are swapped. */ | |
8243 | if (!i.tm.operand_types[op].bitfield.baseindex | |
8244 | && i.tm.operand_types[op + 1].bitfield.baseindex) | |
8245 | { | |
8246 | vex_reg = op; | |
8247 | op += 2; | |
8248 | gas_assert (mem == (vex_reg + 1) | |
8249 | && op < i.operands); | |
8250 | } | |
8251 | else | |
8252 | { | |
8253 | vex_reg = op + 1; | |
8254 | gas_assert (vex_reg < i.operands); | |
8255 | } | |
c0f3af97 | 8256 | } |
7ab9ffdd | 8257 | } |
2426c15f | 8258 | else if (i.tm.opcode_modifier.vexvvvv == VEXNDD) |
7ab9ffdd | 8259 | { |
f12dc422 | 8260 | /* For instructions with VexNDD, the register destination |
7ab9ffdd | 8261 | is encoded in VEX prefix. */ |
f12dc422 L |
8262 | if (i.mem_operands == 0) |
8263 | { | |
8264 | /* There is no memory operand. */ | |
8265 | gas_assert ((op + 2) == i.operands); | |
8266 | vex_reg = op + 1; | |
8267 | } | |
8268 | else | |
8d63c93e | 8269 | { |
ed438a93 JB |
8270 | /* There are only 2 non-immediate operands. */ |
8271 | gas_assert (op < i.imm_operands + 2 | |
8272 | && i.operands == i.imm_operands + 2); | |
8273 | vex_reg = i.imm_operands + 1; | |
f12dc422 | 8274 | } |
7ab9ffdd L |
8275 | } |
8276 | else | |
8277 | gas_assert (op < i.operands); | |
99018f42 | 8278 | |
7ab9ffdd L |
8279 | if (vex_reg != (unsigned int) ~0) |
8280 | { | |
f12dc422 | 8281 | i386_operand_type *type = &i.tm.operand_types[vex_reg]; |
7ab9ffdd | 8282 | |
bab6aec1 | 8283 | if ((type->bitfield.class != Reg |
dc821c5f | 8284 | || (!type->bitfield.dword && !type->bitfield.qword)) |
3528c362 | 8285 | && type->bitfield.class != RegSIMD |
43234a1e | 8286 | && !operand_type_equal (type, ®mask)) |
7ab9ffdd | 8287 | abort (); |
f88c9eb0 | 8288 | |
7ab9ffdd L |
8289 | i.vex.register_specifier = i.op[vex_reg].regs; |
8290 | } | |
8291 | ||
1b9f0c97 L |
8292 | /* Don't set OP operand twice. */ |
8293 | if (vex_reg != op) | |
7ab9ffdd | 8294 | { |
1b9f0c97 L |
8295 | /* If there is an extension opcode to put here, the |
8296 | register number must be put into the regmem field. */ | |
8297 | if (i.tm.extension_opcode != None) | |
8298 | { | |
8299 | i.rm.regmem = i.op[op].regs->reg_num; | |
8300 | if ((i.op[op].regs->reg_flags & RegRex) != 0) | |
8301 | i.rex |= REX_B; | |
43234a1e L |
8302 | if ((i.op[op].regs->reg_flags & RegVRex) != 0) |
8303 | i.vrex |= REX_B; | |
1b9f0c97 L |
8304 | } |
8305 | else | |
8306 | { | |
8307 | i.rm.reg = i.op[op].regs->reg_num; | |
8308 | if ((i.op[op].regs->reg_flags & RegRex) != 0) | |
8309 | i.rex |= REX_R; | |
43234a1e L |
8310 | if ((i.op[op].regs->reg_flags & RegVRex) != 0) |
8311 | i.vrex |= REX_R; | |
1b9f0c97 | 8312 | } |
7ab9ffdd | 8313 | } |
252b5132 | 8314 | |
29b0f896 AM |
8315 | /* Now, if no memory operand has set i.rm.mode = 0, 1, 2 we |
8316 | must set it to 3 to indicate this is a register operand | |
8317 | in the regmem field. */ | |
8318 | if (!i.mem_operands) | |
8319 | i.rm.mode = 3; | |
8320 | } | |
252b5132 | 8321 | |
29b0f896 | 8322 | /* Fill in i.rm.reg field with extension opcode (if any). */ |
c1e679ec | 8323 | if (i.tm.extension_opcode != None) |
29b0f896 AM |
8324 | i.rm.reg = i.tm.extension_opcode; |
8325 | } | |
8326 | return default_seg; | |
8327 | } | |
252b5132 | 8328 | |
376cd056 JB |
8329 | static unsigned int |
8330 | flip_code16 (unsigned int code16) | |
8331 | { | |
8332 | gas_assert (i.tm.operands == 1); | |
8333 | ||
8334 | return !(i.prefix[REX_PREFIX] & REX_W) | |
8335 | && (code16 ? i.tm.operand_types[0].bitfield.disp32 | |
8336 | || i.tm.operand_types[0].bitfield.disp32s | |
8337 | : i.tm.operand_types[0].bitfield.disp16) | |
8338 | ? CODE16 : 0; | |
8339 | } | |
8340 | ||
29b0f896 | 8341 | static void |
e3bb37b5 | 8342 | output_branch (void) |
29b0f896 AM |
8343 | { |
8344 | char *p; | |
f8a5c266 | 8345 | int size; |
29b0f896 AM |
8346 | int code16; |
8347 | int prefix; | |
8348 | relax_substateT subtype; | |
8349 | symbolS *sym; | |
8350 | offsetT off; | |
8351 | ||
f8a5c266 | 8352 | code16 = flag_code == CODE_16BIT ? CODE16 : 0; |
a501d77e | 8353 | size = i.disp_encoding == disp_encoding_32bit ? BIG : SMALL; |
29b0f896 AM |
8354 | |
8355 | prefix = 0; | |
8356 | if (i.prefix[DATA_PREFIX] != 0) | |
252b5132 | 8357 | { |
29b0f896 AM |
8358 | prefix = 1; |
8359 | i.prefixes -= 1; | |
376cd056 | 8360 | code16 ^= flip_code16(code16); |
252b5132 | 8361 | } |
29b0f896 AM |
8362 | /* Pentium4 branch hints. */ |
8363 | if (i.prefix[SEG_PREFIX] == CS_PREFIX_OPCODE /* not taken */ | |
8364 | || i.prefix[SEG_PREFIX] == DS_PREFIX_OPCODE /* taken */) | |
2f66722d | 8365 | { |
29b0f896 AM |
8366 | prefix++; |
8367 | i.prefixes--; | |
8368 | } | |
8369 | if (i.prefix[REX_PREFIX] != 0) | |
8370 | { | |
8371 | prefix++; | |
8372 | i.prefixes--; | |
2f66722d AM |
8373 | } |
8374 | ||
7e8b059b L |
8375 | /* BND prefixed jump. */ |
8376 | if (i.prefix[BND_PREFIX] != 0) | |
8377 | { | |
6cb0a70e JB |
8378 | prefix++; |
8379 | i.prefixes--; | |
7e8b059b L |
8380 | } |
8381 | ||
f2810fe0 JB |
8382 | if (i.prefixes != 0) |
8383 | as_warn (_("skipping prefixes on `%s'"), i.tm.name); | |
29b0f896 AM |
8384 | |
8385 | /* It's always a symbol; End frag & setup for relax. | |
8386 | Make sure there is enough room in this frag for the largest | |
8387 | instruction we may generate in md_convert_frag. This is 2 | |
8388 | bytes for the opcode and room for the prefix and largest | |
8389 | displacement. */ | |
8390 | frag_grow (prefix + 2 + 4); | |
8391 | /* Prefix and 1 opcode byte go in fr_fix. */ | |
8392 | p = frag_more (prefix + 1); | |
8393 | if (i.prefix[DATA_PREFIX] != 0) | |
8394 | *p++ = DATA_PREFIX_OPCODE; | |
8395 | if (i.prefix[SEG_PREFIX] == CS_PREFIX_OPCODE | |
8396 | || i.prefix[SEG_PREFIX] == DS_PREFIX_OPCODE) | |
8397 | *p++ = i.prefix[SEG_PREFIX]; | |
6cb0a70e JB |
8398 | if (i.prefix[BND_PREFIX] != 0) |
8399 | *p++ = BND_PREFIX_OPCODE; | |
29b0f896 AM |
8400 | if (i.prefix[REX_PREFIX] != 0) |
8401 | *p++ = i.prefix[REX_PREFIX]; | |
8402 | *p = i.tm.base_opcode; | |
8403 | ||
8404 | if ((unsigned char) *p == JUMP_PC_RELATIVE) | |
f8a5c266 | 8405 | subtype = ENCODE_RELAX_STATE (UNCOND_JUMP, size); |
40fb9820 | 8406 | else if (cpu_arch_flags.bitfield.cpui386) |
f8a5c266 | 8407 | subtype = ENCODE_RELAX_STATE (COND_JUMP, size); |
29b0f896 | 8408 | else |
f8a5c266 | 8409 | subtype = ENCODE_RELAX_STATE (COND_JUMP86, size); |
29b0f896 | 8410 | subtype |= code16; |
3e73aa7c | 8411 | |
29b0f896 AM |
8412 | sym = i.op[0].disps->X_add_symbol; |
8413 | off = i.op[0].disps->X_add_number; | |
3e73aa7c | 8414 | |
29b0f896 AM |
8415 | if (i.op[0].disps->X_op != O_constant |
8416 | && i.op[0].disps->X_op != O_symbol) | |
3e73aa7c | 8417 | { |
29b0f896 AM |
8418 | /* Handle complex expressions. */ |
8419 | sym = make_expr_symbol (i.op[0].disps); | |
8420 | off = 0; | |
8421 | } | |
3e73aa7c | 8422 | |
29b0f896 AM |
8423 | /* 1 possible extra opcode + 4 byte displacement go in var part. |
8424 | Pass reloc in fr_var. */ | |
d258b828 | 8425 | frag_var (rs_machine_dependent, 5, i.reloc[0], subtype, sym, off, p); |
29b0f896 | 8426 | } |
3e73aa7c | 8427 | |
bd7ab16b L |
8428 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8429 | /* Return TRUE iff PLT32 relocation should be used for branching to | |
8430 | symbol S. */ | |
8431 | ||
8432 | static bfd_boolean | |
8433 | need_plt32_p (symbolS *s) | |
8434 | { | |
8435 | /* PLT32 relocation is ELF only. */ | |
8436 | if (!IS_ELF) | |
8437 | return FALSE; | |
8438 | ||
a5def729 RO |
8439 | #ifdef TE_SOLARIS |
8440 | /* Don't emit PLT32 relocation on Solaris: neither native linker nor | |
8441 | krtld support it. */ | |
8442 | return FALSE; | |
8443 | #endif | |
8444 | ||
bd7ab16b L |
8445 | /* Since there is no need to prepare for PLT branch on x86-64, we |
8446 | can generate R_X86_64_PLT32, instead of R_X86_64_PC32, which can | |
8447 | be used as a marker for 32-bit PC-relative branches. */ | |
8448 | if (!object_64bit) | |
8449 | return FALSE; | |
8450 | ||
8451 | /* Weak or undefined symbol need PLT32 relocation. */ | |
8452 | if (S_IS_WEAK (s) || !S_IS_DEFINED (s)) | |
8453 | return TRUE; | |
8454 | ||
8455 | /* Non-global symbol doesn't need PLT32 relocation. */ | |
8456 | if (! S_IS_EXTERNAL (s)) | |
8457 | return FALSE; | |
8458 | ||
8459 | /* Other global symbols need PLT32 relocation. NB: Symbol with | |
8460 | non-default visibilities are treated as normal global symbol | |
8461 | so that PLT32 relocation can be used as a marker for 32-bit | |
8462 | PC-relative branches. It is useful for linker relaxation. */ | |
8463 | return TRUE; | |
8464 | } | |
8465 | #endif | |
8466 | ||
29b0f896 | 8467 | static void |
e3bb37b5 | 8468 | output_jump (void) |
29b0f896 AM |
8469 | { |
8470 | char *p; | |
8471 | int size; | |
3e02c1cc | 8472 | fixS *fixP; |
bd7ab16b | 8473 | bfd_reloc_code_real_type jump_reloc = i.reloc[0]; |
29b0f896 | 8474 | |
0cfa3eb3 | 8475 | if (i.tm.opcode_modifier.jump == JUMP_BYTE) |
29b0f896 AM |
8476 | { |
8477 | /* This is a loop or jecxz type instruction. */ | |
8478 | size = 1; | |
8479 | if (i.prefix[ADDR_PREFIX] != 0) | |
8480 | { | |
8481 | FRAG_APPEND_1_CHAR (ADDR_PREFIX_OPCODE); | |
8482 | i.prefixes -= 1; | |
8483 | } | |
8484 | /* Pentium4 branch hints. */ | |
8485 | if (i.prefix[SEG_PREFIX] == CS_PREFIX_OPCODE /* not taken */ | |
8486 | || i.prefix[SEG_PREFIX] == DS_PREFIX_OPCODE /* taken */) | |
8487 | { | |
8488 | FRAG_APPEND_1_CHAR (i.prefix[SEG_PREFIX]); | |
8489 | i.prefixes--; | |
3e73aa7c JH |
8490 | } |
8491 | } | |
29b0f896 AM |
8492 | else |
8493 | { | |
8494 | int code16; | |
3e73aa7c | 8495 | |
29b0f896 AM |
8496 | code16 = 0; |
8497 | if (flag_code == CODE_16BIT) | |
8498 | code16 = CODE16; | |
3e73aa7c | 8499 | |
29b0f896 AM |
8500 | if (i.prefix[DATA_PREFIX] != 0) |
8501 | { | |
8502 | FRAG_APPEND_1_CHAR (DATA_PREFIX_OPCODE); | |
8503 | i.prefixes -= 1; | |
376cd056 | 8504 | code16 ^= flip_code16(code16); |
29b0f896 | 8505 | } |
252b5132 | 8506 | |
29b0f896 AM |
8507 | size = 4; |
8508 | if (code16) | |
8509 | size = 2; | |
8510 | } | |
9fcc94b6 | 8511 | |
6cb0a70e JB |
8512 | /* BND prefixed jump. */ |
8513 | if (i.prefix[BND_PREFIX] != 0) | |
29b0f896 | 8514 | { |
6cb0a70e | 8515 | FRAG_APPEND_1_CHAR (i.prefix[BND_PREFIX]); |
29b0f896 AM |
8516 | i.prefixes -= 1; |
8517 | } | |
252b5132 | 8518 | |
6cb0a70e | 8519 | if (i.prefix[REX_PREFIX] != 0) |
7e8b059b | 8520 | { |
6cb0a70e | 8521 | FRAG_APPEND_1_CHAR (i.prefix[REX_PREFIX]); |
7e8b059b L |
8522 | i.prefixes -= 1; |
8523 | } | |
8524 | ||
f2810fe0 JB |
8525 | if (i.prefixes != 0) |
8526 | as_warn (_("skipping prefixes on `%s'"), i.tm.name); | |
e0890092 | 8527 | |
42164a71 L |
8528 | p = frag_more (i.tm.opcode_length + size); |
8529 | switch (i.tm.opcode_length) | |
8530 | { | |
8531 | case 2: | |
8532 | *p++ = i.tm.base_opcode >> 8; | |
1a0670f3 | 8533 | /* Fall through. */ |
42164a71 L |
8534 | case 1: |
8535 | *p++ = i.tm.base_opcode; | |
8536 | break; | |
8537 | default: | |
8538 | abort (); | |
8539 | } | |
e0890092 | 8540 | |
bd7ab16b L |
8541 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8542 | if (size == 4 | |
8543 | && jump_reloc == NO_RELOC | |
8544 | && need_plt32_p (i.op[0].disps->X_add_symbol)) | |
8545 | jump_reloc = BFD_RELOC_X86_64_PLT32; | |
8546 | #endif | |
8547 | ||
8548 | jump_reloc = reloc (size, 1, 1, jump_reloc); | |
8549 | ||
3e02c1cc | 8550 | fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, size, |
bd7ab16b | 8551 | i.op[0].disps, 1, jump_reloc); |
3e02c1cc AM |
8552 | |
8553 | /* All jumps handled here are signed, but don't use a signed limit | |
8554 | check for 32 and 16 bit jumps as we want to allow wrap around at | |
8555 | 4G and 64k respectively. */ | |
8556 | if (size == 1) | |
8557 | fixP->fx_signed = 1; | |
29b0f896 | 8558 | } |
e0890092 | 8559 | |
29b0f896 | 8560 | static void |
e3bb37b5 | 8561 | output_interseg_jump (void) |
29b0f896 AM |
8562 | { |
8563 | char *p; | |
8564 | int size; | |
8565 | int prefix; | |
8566 | int code16; | |
252b5132 | 8567 | |
29b0f896 AM |
8568 | code16 = 0; |
8569 | if (flag_code == CODE_16BIT) | |
8570 | code16 = CODE16; | |
a217f122 | 8571 | |
29b0f896 AM |
8572 | prefix = 0; |
8573 | if (i.prefix[DATA_PREFIX] != 0) | |
8574 | { | |
8575 | prefix = 1; | |
8576 | i.prefixes -= 1; | |
8577 | code16 ^= CODE16; | |
8578 | } | |
6cb0a70e JB |
8579 | |
8580 | gas_assert (!i.prefix[REX_PREFIX]); | |
252b5132 | 8581 | |
29b0f896 AM |
8582 | size = 4; |
8583 | if (code16) | |
8584 | size = 2; | |
252b5132 | 8585 | |
f2810fe0 JB |
8586 | if (i.prefixes != 0) |
8587 | as_warn (_("skipping prefixes on `%s'"), i.tm.name); | |
252b5132 | 8588 | |
29b0f896 AM |
8589 | /* 1 opcode; 2 segment; offset */ |
8590 | p = frag_more (prefix + 1 + 2 + size); | |
3e73aa7c | 8591 | |
29b0f896 AM |
8592 | if (i.prefix[DATA_PREFIX] != 0) |
8593 | *p++ = DATA_PREFIX_OPCODE; | |
252b5132 | 8594 | |
29b0f896 AM |
8595 | if (i.prefix[REX_PREFIX] != 0) |
8596 | *p++ = i.prefix[REX_PREFIX]; | |
252b5132 | 8597 | |
29b0f896 AM |
8598 | *p++ = i.tm.base_opcode; |
8599 | if (i.op[1].imms->X_op == O_constant) | |
8600 | { | |
8601 | offsetT n = i.op[1].imms->X_add_number; | |
252b5132 | 8602 | |
29b0f896 AM |
8603 | if (size == 2 |
8604 | && !fits_in_unsigned_word (n) | |
8605 | && !fits_in_signed_word (n)) | |
8606 | { | |
8607 | as_bad (_("16-bit jump out of range")); | |
8608 | return; | |
8609 | } | |
8610 | md_number_to_chars (p, n, size); | |
8611 | } | |
8612 | else | |
8613 | fix_new_exp (frag_now, p - frag_now->fr_literal, size, | |
d258b828 | 8614 | i.op[1].imms, 0, reloc (size, 0, 0, i.reloc[1])); |
29b0f896 AM |
8615 | if (i.op[0].imms->X_op != O_constant) |
8616 | as_bad (_("can't handle non absolute segment in `%s'"), | |
8617 | i.tm.name); | |
8618 | md_number_to_chars (p + size, (valueT) i.op[0].imms->X_add_number, 2); | |
8619 | } | |
a217f122 | 8620 | |
b4a3a7b4 L |
8621 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8622 | void | |
8623 | x86_cleanup (void) | |
8624 | { | |
8625 | char *p; | |
8626 | asection *seg = now_seg; | |
8627 | subsegT subseg = now_subseg; | |
8628 | asection *sec; | |
8629 | unsigned int alignment, align_size_1; | |
8630 | unsigned int isa_1_descsz, feature_2_descsz, descsz; | |
8631 | unsigned int isa_1_descsz_raw, feature_2_descsz_raw; | |
8632 | unsigned int padding; | |
8633 | ||
8634 | if (!IS_ELF || !x86_used_note) | |
8635 | return; | |
8636 | ||
b4a3a7b4 L |
8637 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_X86; |
8638 | ||
8639 | /* The .note.gnu.property section layout: | |
8640 | ||
8641 | Field Length Contents | |
8642 | ---- ---- ---- | |
8643 | n_namsz 4 4 | |
8644 | n_descsz 4 The note descriptor size | |
8645 | n_type 4 NT_GNU_PROPERTY_TYPE_0 | |
8646 | n_name 4 "GNU" | |
8647 | n_desc n_descsz The program property array | |
8648 | .... .... .... | |
8649 | */ | |
8650 | ||
8651 | /* Create the .note.gnu.property section. */ | |
8652 | sec = subseg_new (NOTE_GNU_PROPERTY_SECTION_NAME, 0); | |
fd361982 | 8653 | bfd_set_section_flags (sec, |
b4a3a7b4 L |
8654 | (SEC_ALLOC |
8655 | | SEC_LOAD | |
8656 | | SEC_DATA | |
8657 | | SEC_HAS_CONTENTS | |
8658 | | SEC_READONLY)); | |
8659 | ||
8660 | if (get_elf_backend_data (stdoutput)->s->elfclass == ELFCLASS64) | |
8661 | { | |
8662 | align_size_1 = 7; | |
8663 | alignment = 3; | |
8664 | } | |
8665 | else | |
8666 | { | |
8667 | align_size_1 = 3; | |
8668 | alignment = 2; | |
8669 | } | |
8670 | ||
fd361982 | 8671 | bfd_set_section_alignment (sec, alignment); |
b4a3a7b4 L |
8672 | elf_section_type (sec) = SHT_NOTE; |
8673 | ||
8674 | /* GNU_PROPERTY_X86_ISA_1_USED: 4-byte type + 4-byte data size | |
8675 | + 4-byte data */ | |
8676 | isa_1_descsz_raw = 4 + 4 + 4; | |
8677 | /* Align GNU_PROPERTY_X86_ISA_1_USED. */ | |
8678 | isa_1_descsz = (isa_1_descsz_raw + align_size_1) & ~align_size_1; | |
8679 | ||
8680 | feature_2_descsz_raw = isa_1_descsz; | |
8681 | /* GNU_PROPERTY_X86_FEATURE_2_USED: 4-byte type + 4-byte data size | |
8682 | + 4-byte data */ | |
8683 | feature_2_descsz_raw += 4 + 4 + 4; | |
8684 | /* Align GNU_PROPERTY_X86_FEATURE_2_USED. */ | |
8685 | feature_2_descsz = ((feature_2_descsz_raw + align_size_1) | |
8686 | & ~align_size_1); | |
8687 | ||
8688 | descsz = feature_2_descsz; | |
8689 | /* Section size: n_namsz + n_descsz + n_type + n_name + n_descsz. */ | |
8690 | p = frag_more (4 + 4 + 4 + 4 + descsz); | |
8691 | ||
8692 | /* Write n_namsz. */ | |
8693 | md_number_to_chars (p, (valueT) 4, 4); | |
8694 | ||
8695 | /* Write n_descsz. */ | |
8696 | md_number_to_chars (p + 4, (valueT) descsz, 4); | |
8697 | ||
8698 | /* Write n_type. */ | |
8699 | md_number_to_chars (p + 4 * 2, (valueT) NT_GNU_PROPERTY_TYPE_0, 4); | |
8700 | ||
8701 | /* Write n_name. */ | |
8702 | memcpy (p + 4 * 3, "GNU", 4); | |
8703 | ||
8704 | /* Write 4-byte type. */ | |
8705 | md_number_to_chars (p + 4 * 4, | |
8706 | (valueT) GNU_PROPERTY_X86_ISA_1_USED, 4); | |
8707 | ||
8708 | /* Write 4-byte data size. */ | |
8709 | md_number_to_chars (p + 4 * 5, (valueT) 4, 4); | |
8710 | ||
8711 | /* Write 4-byte data. */ | |
8712 | md_number_to_chars (p + 4 * 6, (valueT) x86_isa_1_used, 4); | |
8713 | ||
8714 | /* Zero out paddings. */ | |
8715 | padding = isa_1_descsz - isa_1_descsz_raw; | |
8716 | if (padding) | |
8717 | memset (p + 4 * 7, 0, padding); | |
8718 | ||
8719 | /* Write 4-byte type. */ | |
8720 | md_number_to_chars (p + isa_1_descsz + 4 * 4, | |
8721 | (valueT) GNU_PROPERTY_X86_FEATURE_2_USED, 4); | |
8722 | ||
8723 | /* Write 4-byte data size. */ | |
8724 | md_number_to_chars (p + isa_1_descsz + 4 * 5, (valueT) 4, 4); | |
8725 | ||
8726 | /* Write 4-byte data. */ | |
8727 | md_number_to_chars (p + isa_1_descsz + 4 * 6, | |
8728 | (valueT) x86_feature_2_used, 4); | |
8729 | ||
8730 | /* Zero out paddings. */ | |
8731 | padding = feature_2_descsz - feature_2_descsz_raw; | |
8732 | if (padding) | |
8733 | memset (p + isa_1_descsz + 4 * 7, 0, padding); | |
8734 | ||
8735 | /* We probably can't restore the current segment, for there likely | |
8736 | isn't one yet... */ | |
8737 | if (seg && subseg) | |
8738 | subseg_set (seg, subseg); | |
8739 | } | |
8740 | #endif | |
8741 | ||
9c33702b JB |
8742 | static unsigned int |
8743 | encoding_length (const fragS *start_frag, offsetT start_off, | |
8744 | const char *frag_now_ptr) | |
8745 | { | |
8746 | unsigned int len = 0; | |
8747 | ||
8748 | if (start_frag != frag_now) | |
8749 | { | |
8750 | const fragS *fr = start_frag; | |
8751 | ||
8752 | do { | |
8753 | len += fr->fr_fix; | |
8754 | fr = fr->fr_next; | |
8755 | } while (fr && fr != frag_now); | |
8756 | } | |
8757 | ||
8758 | return len - start_off + (frag_now_ptr - frag_now->fr_literal); | |
8759 | } | |
8760 | ||
e379e5f3 | 8761 | /* Return 1 for test, and, cmp, add, sub, inc and dec which may |
79d72f45 HL |
8762 | be macro-fused with conditional jumps. |
8763 | NB: If TEST/AND/CMP/ADD/SUB/INC/DEC is of RIP relative address, | |
8764 | or is one of the following format: | |
8765 | ||
8766 | cmp m, imm | |
8767 | add m, imm | |
8768 | sub m, imm | |
8769 | test m, imm | |
8770 | and m, imm | |
8771 | inc m | |
8772 | dec m | |
8773 | ||
8774 | it is unfusible. */ | |
e379e5f3 L |
8775 | |
8776 | static int | |
79d72f45 | 8777 | maybe_fused_with_jcc_p (enum mf_cmp_kind* mf_cmp_p) |
e379e5f3 L |
8778 | { |
8779 | /* No RIP address. */ | |
8780 | if (i.base_reg && i.base_reg->reg_num == RegIP) | |
8781 | return 0; | |
8782 | ||
8783 | /* No VEX/EVEX encoding. */ | |
8784 | if (is_any_vex_encoding (&i.tm)) | |
8785 | return 0; | |
8786 | ||
79d72f45 HL |
8787 | /* add, sub without add/sub m, imm. */ |
8788 | if (i.tm.base_opcode <= 5 | |
e379e5f3 L |
8789 | || (i.tm.base_opcode >= 0x28 && i.tm.base_opcode <= 0x2d) |
8790 | || ((i.tm.base_opcode | 3) == 0x83 | |
79d72f45 | 8791 | && (i.tm.extension_opcode == 0x5 |
e379e5f3 | 8792 | || i.tm.extension_opcode == 0x0))) |
79d72f45 HL |
8793 | { |
8794 | *mf_cmp_p = mf_cmp_alu_cmp; | |
8795 | return !(i.mem_operands && i.imm_operands); | |
8796 | } | |
e379e5f3 | 8797 | |
79d72f45 HL |
8798 | /* and without and m, imm. */ |
8799 | if ((i.tm.base_opcode >= 0x20 && i.tm.base_opcode <= 0x25) | |
8800 | || ((i.tm.base_opcode | 3) == 0x83 | |
8801 | && i.tm.extension_opcode == 0x4)) | |
8802 | { | |
8803 | *mf_cmp_p = mf_cmp_test_and; | |
8804 | return !(i.mem_operands && i.imm_operands); | |
8805 | } | |
8806 | ||
8807 | /* test without test m imm. */ | |
e379e5f3 L |
8808 | if ((i.tm.base_opcode | 1) == 0x85 |
8809 | || (i.tm.base_opcode | 1) == 0xa9 | |
8810 | || ((i.tm.base_opcode | 1) == 0xf7 | |
79d72f45 HL |
8811 | && i.tm.extension_opcode == 0)) |
8812 | { | |
8813 | *mf_cmp_p = mf_cmp_test_and; | |
8814 | return !(i.mem_operands && i.imm_operands); | |
8815 | } | |
8816 | ||
8817 | /* cmp without cmp m, imm. */ | |
8818 | if ((i.tm.base_opcode >= 0x38 && i.tm.base_opcode <= 0x3d) | |
e379e5f3 L |
8819 | || ((i.tm.base_opcode | 3) == 0x83 |
8820 | && (i.tm.extension_opcode == 0x7))) | |
79d72f45 HL |
8821 | { |
8822 | *mf_cmp_p = mf_cmp_alu_cmp; | |
8823 | return !(i.mem_operands && i.imm_operands); | |
8824 | } | |
e379e5f3 | 8825 | |
79d72f45 | 8826 | /* inc, dec without inc/dec m. */ |
e379e5f3 L |
8827 | if ((i.tm.cpu_flags.bitfield.cpuno64 |
8828 | && (i.tm.base_opcode | 0xf) == 0x4f) | |
8829 | || ((i.tm.base_opcode | 1) == 0xff | |
8830 | && i.tm.extension_opcode <= 0x1)) | |
79d72f45 HL |
8831 | { |
8832 | *mf_cmp_p = mf_cmp_incdec; | |
8833 | return !i.mem_operands; | |
8834 | } | |
e379e5f3 L |
8835 | |
8836 | return 0; | |
8837 | } | |
8838 | ||
8839 | /* Return 1 if a FUSED_JCC_PADDING frag should be generated. */ | |
8840 | ||
8841 | static int | |
79d72f45 | 8842 | add_fused_jcc_padding_frag_p (enum mf_cmp_kind* mf_cmp_p) |
e379e5f3 L |
8843 | { |
8844 | /* NB: Don't work with COND_JUMP86 without i386. */ | |
8845 | if (!align_branch_power | |
8846 | || now_seg == absolute_section | |
8847 | || !cpu_arch_flags.bitfield.cpui386 | |
8848 | || !(align_branch & align_branch_fused_bit)) | |
8849 | return 0; | |
8850 | ||
79d72f45 | 8851 | if (maybe_fused_with_jcc_p (mf_cmp_p)) |
e379e5f3 L |
8852 | { |
8853 | if (last_insn.kind == last_insn_other | |
8854 | || last_insn.seg != now_seg) | |
8855 | return 1; | |
8856 | if (flag_debug) | |
8857 | as_warn_where (last_insn.file, last_insn.line, | |
8858 | _("`%s` skips -malign-branch-boundary on `%s`"), | |
8859 | last_insn.name, i.tm.name); | |
8860 | } | |
8861 | ||
8862 | return 0; | |
8863 | } | |
8864 | ||
8865 | /* Return 1 if a BRANCH_PREFIX frag should be generated. */ | |
8866 | ||
8867 | static int | |
8868 | add_branch_prefix_frag_p (void) | |
8869 | { | |
8870 | /* NB: Don't work with COND_JUMP86 without i386. Don't add prefix | |
8871 | to PadLock instructions since they include prefixes in opcode. */ | |
8872 | if (!align_branch_power | |
8873 | || !align_branch_prefix_size | |
8874 | || now_seg == absolute_section | |
8875 | || i.tm.cpu_flags.bitfield.cpupadlock | |
8876 | || !cpu_arch_flags.bitfield.cpui386) | |
8877 | return 0; | |
8878 | ||
8879 | /* Don't add prefix if it is a prefix or there is no operand in case | |
8880 | that segment prefix is special. */ | |
8881 | if (!i.operands || i.tm.opcode_modifier.isprefix) | |
8882 | return 0; | |
8883 | ||
8884 | if (last_insn.kind == last_insn_other | |
8885 | || last_insn.seg != now_seg) | |
8886 | return 1; | |
8887 | ||
8888 | if (flag_debug) | |
8889 | as_warn_where (last_insn.file, last_insn.line, | |
8890 | _("`%s` skips -malign-branch-boundary on `%s`"), | |
8891 | last_insn.name, i.tm.name); | |
8892 | ||
8893 | return 0; | |
8894 | } | |
8895 | ||
8896 | /* Return 1 if a BRANCH_PADDING frag should be generated. */ | |
8897 | ||
8898 | static int | |
79d72f45 HL |
8899 | add_branch_padding_frag_p (enum align_branch_kind *branch_p, |
8900 | enum mf_jcc_kind *mf_jcc_p) | |
e379e5f3 L |
8901 | { |
8902 | int add_padding; | |
8903 | ||
8904 | /* NB: Don't work with COND_JUMP86 without i386. */ | |
8905 | if (!align_branch_power | |
8906 | || now_seg == absolute_section | |
8907 | || !cpu_arch_flags.bitfield.cpui386) | |
8908 | return 0; | |
8909 | ||
8910 | add_padding = 0; | |
8911 | ||
8912 | /* Check for jcc and direct jmp. */ | |
8913 | if (i.tm.opcode_modifier.jump == JUMP) | |
8914 | { | |
8915 | if (i.tm.base_opcode == JUMP_PC_RELATIVE) | |
8916 | { | |
8917 | *branch_p = align_branch_jmp; | |
8918 | add_padding = align_branch & align_branch_jmp_bit; | |
8919 | } | |
8920 | else | |
8921 | { | |
79d72f45 HL |
8922 | /* Because J<cc> and JN<cc> share same group in macro-fusible table, |
8923 | igore the lowest bit. */ | |
8924 | *mf_jcc_p = (i.tm.base_opcode & 0x0e) >> 1; | |
e379e5f3 L |
8925 | *branch_p = align_branch_jcc; |
8926 | if ((align_branch & align_branch_jcc_bit)) | |
8927 | add_padding = 1; | |
8928 | } | |
8929 | } | |
8930 | else if (is_any_vex_encoding (&i.tm)) | |
8931 | return 0; | |
8932 | else if ((i.tm.base_opcode | 1) == 0xc3) | |
8933 | { | |
8934 | /* Near ret. */ | |
8935 | *branch_p = align_branch_ret; | |
8936 | if ((align_branch & align_branch_ret_bit)) | |
8937 | add_padding = 1; | |
8938 | } | |
8939 | else | |
8940 | { | |
8941 | /* Check for indirect jmp, direct and indirect calls. */ | |
8942 | if (i.tm.base_opcode == 0xe8) | |
8943 | { | |
8944 | /* Direct call. */ | |
8945 | *branch_p = align_branch_call; | |
8946 | if ((align_branch & align_branch_call_bit)) | |
8947 | add_padding = 1; | |
8948 | } | |
8949 | else if (i.tm.base_opcode == 0xff | |
8950 | && (i.tm.extension_opcode == 2 | |
8951 | || i.tm.extension_opcode == 4)) | |
8952 | { | |
8953 | /* Indirect call and jmp. */ | |
8954 | *branch_p = align_branch_indirect; | |
8955 | if ((align_branch & align_branch_indirect_bit)) | |
8956 | add_padding = 1; | |
8957 | } | |
8958 | ||
8959 | if (add_padding | |
8960 | && i.disp_operands | |
8961 | && tls_get_addr | |
8962 | && (i.op[0].disps->X_op == O_symbol | |
8963 | || (i.op[0].disps->X_op == O_subtract | |
8964 | && i.op[0].disps->X_op_symbol == GOT_symbol))) | |
8965 | { | |
8966 | symbolS *s = i.op[0].disps->X_add_symbol; | |
8967 | /* No padding to call to global or undefined tls_get_addr. */ | |
8968 | if ((S_IS_EXTERNAL (s) || !S_IS_DEFINED (s)) | |
8969 | && strcmp (S_GET_NAME (s), tls_get_addr) == 0) | |
8970 | return 0; | |
8971 | } | |
8972 | } | |
8973 | ||
8974 | if (add_padding | |
8975 | && last_insn.kind != last_insn_other | |
8976 | && last_insn.seg == now_seg) | |
8977 | { | |
8978 | if (flag_debug) | |
8979 | as_warn_where (last_insn.file, last_insn.line, | |
8980 | _("`%s` skips -malign-branch-boundary on `%s`"), | |
8981 | last_insn.name, i.tm.name); | |
8982 | return 0; | |
8983 | } | |
8984 | ||
8985 | return add_padding; | |
8986 | } | |
8987 | ||
29b0f896 | 8988 | static void |
e3bb37b5 | 8989 | output_insn (void) |
29b0f896 | 8990 | { |
2bbd9c25 JJ |
8991 | fragS *insn_start_frag; |
8992 | offsetT insn_start_off; | |
e379e5f3 L |
8993 | fragS *fragP = NULL; |
8994 | enum align_branch_kind branch = align_branch_none; | |
79d72f45 HL |
8995 | /* The initializer is arbitrary just to avoid uninitialized error. |
8996 | it's actually either assigned in add_branch_padding_frag_p | |
8997 | or never be used. */ | |
8998 | enum mf_jcc_kind mf_jcc = mf_jcc_jo; | |
2bbd9c25 | 8999 | |
b4a3a7b4 L |
9000 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
9001 | if (IS_ELF && x86_used_note) | |
9002 | { | |
9003 | if (i.tm.cpu_flags.bitfield.cpucmov) | |
9004 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_CMOV; | |
9005 | if (i.tm.cpu_flags.bitfield.cpusse) | |
9006 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE; | |
9007 | if (i.tm.cpu_flags.bitfield.cpusse2) | |
9008 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE2; | |
9009 | if (i.tm.cpu_flags.bitfield.cpusse3) | |
9010 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE3; | |
9011 | if (i.tm.cpu_flags.bitfield.cpussse3) | |
9012 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSSE3; | |
9013 | if (i.tm.cpu_flags.bitfield.cpusse4_1) | |
9014 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE4_1; | |
9015 | if (i.tm.cpu_flags.bitfield.cpusse4_2) | |
9016 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_SSE4_2; | |
9017 | if (i.tm.cpu_flags.bitfield.cpuavx) | |
9018 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX; | |
9019 | if (i.tm.cpu_flags.bitfield.cpuavx2) | |
9020 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX2; | |
9021 | if (i.tm.cpu_flags.bitfield.cpufma) | |
9022 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_FMA; | |
9023 | if (i.tm.cpu_flags.bitfield.cpuavx512f) | |
9024 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512F; | |
9025 | if (i.tm.cpu_flags.bitfield.cpuavx512cd) | |
9026 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512CD; | |
9027 | if (i.tm.cpu_flags.bitfield.cpuavx512er) | |
9028 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512ER; | |
9029 | if (i.tm.cpu_flags.bitfield.cpuavx512pf) | |
9030 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512PF; | |
9031 | if (i.tm.cpu_flags.bitfield.cpuavx512vl) | |
9032 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512VL; | |
9033 | if (i.tm.cpu_flags.bitfield.cpuavx512dq) | |
9034 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512DQ; | |
9035 | if (i.tm.cpu_flags.bitfield.cpuavx512bw) | |
9036 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512BW; | |
9037 | if (i.tm.cpu_flags.bitfield.cpuavx512_4fmaps) | |
9038 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_4FMAPS; | |
9039 | if (i.tm.cpu_flags.bitfield.cpuavx512_4vnniw) | |
9040 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_4VNNIW; | |
9041 | if (i.tm.cpu_flags.bitfield.cpuavx512_bitalg) | |
9042 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_BITALG; | |
9043 | if (i.tm.cpu_flags.bitfield.cpuavx512ifma) | |
9044 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_IFMA; | |
9045 | if (i.tm.cpu_flags.bitfield.cpuavx512vbmi) | |
9046 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_VBMI; | |
9047 | if (i.tm.cpu_flags.bitfield.cpuavx512_vbmi2) | |
9048 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_VBMI2; | |
9049 | if (i.tm.cpu_flags.bitfield.cpuavx512_vnni) | |
9050 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_VNNI; | |
462cac58 L |
9051 | if (i.tm.cpu_flags.bitfield.cpuavx512_bf16) |
9052 | x86_isa_1_used |= GNU_PROPERTY_X86_ISA_1_AVX512_BF16; | |
b4a3a7b4 L |
9053 | |
9054 | if (i.tm.cpu_flags.bitfield.cpu8087 | |
9055 | || i.tm.cpu_flags.bitfield.cpu287 | |
9056 | || i.tm.cpu_flags.bitfield.cpu387 | |
9057 | || i.tm.cpu_flags.bitfield.cpu687 | |
9058 | || i.tm.cpu_flags.bitfield.cpufisttp) | |
9059 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_X87; | |
319ff62c JB |
9060 | if (i.has_regmmx |
9061 | || i.tm.base_opcode == 0xf77 /* emms */ | |
a7e12755 L |
9062 | || i.tm.base_opcode == 0xf0e /* femms */ |
9063 | || i.tm.base_opcode == 0xf2a /* cvtpi2ps */ | |
9064 | || i.tm.base_opcode == 0x660f2a /* cvtpi2pd */) | |
b4a3a7b4 L |
9065 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_MMX; |
9066 | if (i.has_regxmm) | |
9067 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XMM; | |
9068 | if (i.has_regymm) | |
9069 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_YMM; | |
9070 | if (i.has_regzmm) | |
9071 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_ZMM; | |
9072 | if (i.tm.cpu_flags.bitfield.cpufxsr) | |
9073 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_FXSR; | |
9074 | if (i.tm.cpu_flags.bitfield.cpuxsave) | |
9075 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XSAVE; | |
9076 | if (i.tm.cpu_flags.bitfield.cpuxsaveopt) | |
9077 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XSAVEOPT; | |
9078 | if (i.tm.cpu_flags.bitfield.cpuxsavec) | |
9079 | x86_feature_2_used |= GNU_PROPERTY_X86_FEATURE_2_XSAVEC; | |
9080 | } | |
9081 | #endif | |
9082 | ||
29b0f896 AM |
9083 | /* Tie dwarf2 debug info to the address at the start of the insn. |
9084 | We can't do this after the insn has been output as the current | |
9085 | frag may have been closed off. eg. by frag_var. */ | |
9086 | dwarf2_emit_insn (0); | |
9087 | ||
2bbd9c25 JJ |
9088 | insn_start_frag = frag_now; |
9089 | insn_start_off = frag_now_fix (); | |
9090 | ||
79d72f45 | 9091 | if (add_branch_padding_frag_p (&branch, &mf_jcc)) |
e379e5f3 L |
9092 | { |
9093 | char *p; | |
9094 | /* Branch can be 8 bytes. Leave some room for prefixes. */ | |
9095 | unsigned int max_branch_padding_size = 14; | |
9096 | ||
9097 | /* Align section to boundary. */ | |
9098 | record_alignment (now_seg, align_branch_power); | |
9099 | ||
9100 | /* Make room for padding. */ | |
9101 | frag_grow (max_branch_padding_size); | |
9102 | ||
9103 | /* Start of the padding. */ | |
9104 | p = frag_more (0); | |
9105 | ||
9106 | fragP = frag_now; | |
9107 | ||
9108 | frag_var (rs_machine_dependent, max_branch_padding_size, 0, | |
9109 | ENCODE_RELAX_STATE (BRANCH_PADDING, 0), | |
9110 | NULL, 0, p); | |
9111 | ||
79d72f45 | 9112 | fragP->tc_frag_data.mf_type = mf_jcc; |
e379e5f3 L |
9113 | fragP->tc_frag_data.branch_type = branch; |
9114 | fragP->tc_frag_data.max_bytes = max_branch_padding_size; | |
9115 | } | |
9116 | ||
29b0f896 | 9117 | /* Output jumps. */ |
0cfa3eb3 | 9118 | if (i.tm.opcode_modifier.jump == JUMP) |
29b0f896 | 9119 | output_branch (); |
0cfa3eb3 JB |
9120 | else if (i.tm.opcode_modifier.jump == JUMP_BYTE |
9121 | || i.tm.opcode_modifier.jump == JUMP_DWORD) | |
29b0f896 | 9122 | output_jump (); |
0cfa3eb3 | 9123 | else if (i.tm.opcode_modifier.jump == JUMP_INTERSEGMENT) |
29b0f896 AM |
9124 | output_interseg_jump (); |
9125 | else | |
9126 | { | |
9127 | /* Output normal instructions here. */ | |
9128 | char *p; | |
9129 | unsigned char *q; | |
47465058 | 9130 | unsigned int j; |
331d2d0d | 9131 | unsigned int prefix; |
79d72f45 | 9132 | enum mf_cmp_kind mf_cmp; |
4dffcebc | 9133 | |
e4e00185 | 9134 | if (avoid_fence |
c3949f43 JB |
9135 | && (i.tm.base_opcode == 0xfaee8 |
9136 | || i.tm.base_opcode == 0xfaef0 | |
9137 | || i.tm.base_opcode == 0xfaef8)) | |
e4e00185 AS |
9138 | { |
9139 | /* Encode lfence, mfence, and sfence as | |
9140 | f0 83 04 24 00 lock addl $0x0, (%{re}sp). */ | |
9141 | offsetT val = 0x240483f0ULL; | |
9142 | p = frag_more (5); | |
9143 | md_number_to_chars (p, val, 5); | |
9144 | return; | |
9145 | } | |
9146 | ||
d022bddd IT |
9147 | /* Some processors fail on LOCK prefix. This options makes |
9148 | assembler ignore LOCK prefix and serves as a workaround. */ | |
9149 | if (omit_lock_prefix) | |
9150 | { | |
9151 | if (i.tm.base_opcode == LOCK_PREFIX_OPCODE) | |
9152 | return; | |
9153 | i.prefix[LOCK_PREFIX] = 0; | |
9154 | } | |
9155 | ||
e379e5f3 L |
9156 | if (branch) |
9157 | /* Skip if this is a branch. */ | |
9158 | ; | |
79d72f45 | 9159 | else if (add_fused_jcc_padding_frag_p (&mf_cmp)) |
e379e5f3 L |
9160 | { |
9161 | /* Make room for padding. */ | |
9162 | frag_grow (MAX_FUSED_JCC_PADDING_SIZE); | |
9163 | p = frag_more (0); | |
9164 | ||
9165 | fragP = frag_now; | |
9166 | ||
9167 | frag_var (rs_machine_dependent, MAX_FUSED_JCC_PADDING_SIZE, 0, | |
9168 | ENCODE_RELAX_STATE (FUSED_JCC_PADDING, 0), | |
9169 | NULL, 0, p); | |
9170 | ||
79d72f45 | 9171 | fragP->tc_frag_data.mf_type = mf_cmp; |
e379e5f3 L |
9172 | fragP->tc_frag_data.branch_type = align_branch_fused; |
9173 | fragP->tc_frag_data.max_bytes = MAX_FUSED_JCC_PADDING_SIZE; | |
9174 | } | |
9175 | else if (add_branch_prefix_frag_p ()) | |
9176 | { | |
9177 | unsigned int max_prefix_size = align_branch_prefix_size; | |
9178 | ||
9179 | /* Make room for padding. */ | |
9180 | frag_grow (max_prefix_size); | |
9181 | p = frag_more (0); | |
9182 | ||
9183 | fragP = frag_now; | |
9184 | ||
9185 | frag_var (rs_machine_dependent, max_prefix_size, 0, | |
9186 | ENCODE_RELAX_STATE (BRANCH_PREFIX, 0), | |
9187 | NULL, 0, p); | |
9188 | ||
9189 | fragP->tc_frag_data.max_bytes = max_prefix_size; | |
9190 | } | |
9191 | ||
43234a1e L |
9192 | /* Since the VEX/EVEX prefix contains the implicit prefix, we |
9193 | don't need the explicit prefix. */ | |
9194 | if (!i.tm.opcode_modifier.vex && !i.tm.opcode_modifier.evex) | |
bc4bd9ab | 9195 | { |
c0f3af97 | 9196 | switch (i.tm.opcode_length) |
bc4bd9ab | 9197 | { |
c0f3af97 L |
9198 | case 3: |
9199 | if (i.tm.base_opcode & 0xff000000) | |
4dffcebc | 9200 | { |
c0f3af97 | 9201 | prefix = (i.tm.base_opcode >> 24) & 0xff; |
c3949f43 JB |
9202 | if (!i.tm.cpu_flags.bitfield.cpupadlock |
9203 | || prefix != REPE_PREFIX_OPCODE | |
9204 | || (i.prefix[REP_PREFIX] != REPE_PREFIX_OPCODE)) | |
9205 | add_prefix (prefix); | |
c0f3af97 L |
9206 | } |
9207 | break; | |
9208 | case 2: | |
9209 | if ((i.tm.base_opcode & 0xff0000) != 0) | |
9210 | { | |
9211 | prefix = (i.tm.base_opcode >> 16) & 0xff; | |
c3949f43 | 9212 | add_prefix (prefix); |
4dffcebc | 9213 | } |
c0f3af97 L |
9214 | break; |
9215 | case 1: | |
9216 | break; | |
390c91cf L |
9217 | case 0: |
9218 | /* Check for pseudo prefixes. */ | |
9219 | as_bad_where (insn_start_frag->fr_file, | |
9220 | insn_start_frag->fr_line, | |
9221 | _("pseudo prefix without instruction")); | |
9222 | return; | |
c0f3af97 L |
9223 | default: |
9224 | abort (); | |
bc4bd9ab | 9225 | } |
c0f3af97 | 9226 | |
6d19a37a | 9227 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) |
cf61b747 L |
9228 | /* For x32, add a dummy REX_OPCODE prefix for mov/add with |
9229 | R_X86_64_GOTTPOFF relocation so that linker can safely | |
14470f07 L |
9230 | perform IE->LE optimization. A dummy REX_OPCODE prefix |
9231 | is also needed for lea with R_X86_64_GOTPC32_TLSDESC | |
9232 | relocation for GDesc -> IE/LE optimization. */ | |
cf61b747 L |
9233 | if (x86_elf_abi == X86_64_X32_ABI |
9234 | && i.operands == 2 | |
14470f07 L |
9235 | && (i.reloc[0] == BFD_RELOC_X86_64_GOTTPOFF |
9236 | || i.reloc[0] == BFD_RELOC_X86_64_GOTPC32_TLSDESC) | |
cf61b747 L |
9237 | && i.prefix[REX_PREFIX] == 0) |
9238 | add_prefix (REX_OPCODE); | |
6d19a37a | 9239 | #endif |
cf61b747 | 9240 | |
c0f3af97 L |
9241 | /* The prefix bytes. */ |
9242 | for (j = ARRAY_SIZE (i.prefix), q = i.prefix; j > 0; j--, q++) | |
9243 | if (*q) | |
9244 | FRAG_APPEND_1_CHAR (*q); | |
0f10071e | 9245 | } |
ae5c1c7b | 9246 | else |
c0f3af97 L |
9247 | { |
9248 | for (j = 0, q = i.prefix; j < ARRAY_SIZE (i.prefix); j++, q++) | |
9249 | if (*q) | |
9250 | switch (j) | |
9251 | { | |
9252 | case REX_PREFIX: | |
9253 | /* REX byte is encoded in VEX prefix. */ | |
9254 | break; | |
9255 | case SEG_PREFIX: | |
9256 | case ADDR_PREFIX: | |
9257 | FRAG_APPEND_1_CHAR (*q); | |
9258 | break; | |
9259 | default: | |
9260 | /* There should be no other prefixes for instructions | |
9261 | with VEX prefix. */ | |
9262 | abort (); | |
9263 | } | |
9264 | ||
43234a1e L |
9265 | /* For EVEX instructions i.vrex should become 0 after |
9266 | build_evex_prefix. For VEX instructions upper 16 registers | |
9267 | aren't available, so VREX should be 0. */ | |
9268 | if (i.vrex) | |
9269 | abort (); | |
c0f3af97 L |
9270 | /* Now the VEX prefix. */ |
9271 | p = frag_more (i.vex.length); | |
9272 | for (j = 0; j < i.vex.length; j++) | |
9273 | p[j] = i.vex.bytes[j]; | |
9274 | } | |
252b5132 | 9275 | |
29b0f896 | 9276 | /* Now the opcode; be careful about word order here! */ |
4dffcebc | 9277 | if (i.tm.opcode_length == 1) |
29b0f896 AM |
9278 | { |
9279 | FRAG_APPEND_1_CHAR (i.tm.base_opcode); | |
9280 | } | |
9281 | else | |
9282 | { | |
4dffcebc | 9283 | switch (i.tm.opcode_length) |
331d2d0d | 9284 | { |
43234a1e L |
9285 | case 4: |
9286 | p = frag_more (4); | |
9287 | *p++ = (i.tm.base_opcode >> 24) & 0xff; | |
9288 | *p++ = (i.tm.base_opcode >> 16) & 0xff; | |
9289 | break; | |
4dffcebc | 9290 | case 3: |
331d2d0d L |
9291 | p = frag_more (3); |
9292 | *p++ = (i.tm.base_opcode >> 16) & 0xff; | |
4dffcebc L |
9293 | break; |
9294 | case 2: | |
9295 | p = frag_more (2); | |
9296 | break; | |
9297 | default: | |
9298 | abort (); | |
9299 | break; | |
331d2d0d | 9300 | } |
0f10071e | 9301 | |
29b0f896 AM |
9302 | /* Put out high byte first: can't use md_number_to_chars! */ |
9303 | *p++ = (i.tm.base_opcode >> 8) & 0xff; | |
9304 | *p = i.tm.base_opcode & 0xff; | |
9305 | } | |
3e73aa7c | 9306 | |
29b0f896 | 9307 | /* Now the modrm byte and sib byte (if present). */ |
40fb9820 | 9308 | if (i.tm.opcode_modifier.modrm) |
29b0f896 | 9309 | { |
4a3523fa L |
9310 | FRAG_APPEND_1_CHAR ((i.rm.regmem << 0 |
9311 | | i.rm.reg << 3 | |
9312 | | i.rm.mode << 6)); | |
29b0f896 AM |
9313 | /* If i.rm.regmem == ESP (4) |
9314 | && i.rm.mode != (Register mode) | |
9315 | && not 16 bit | |
9316 | ==> need second modrm byte. */ | |
9317 | if (i.rm.regmem == ESCAPE_TO_TWO_BYTE_ADDRESSING | |
9318 | && i.rm.mode != 3 | |
dc821c5f | 9319 | && !(i.base_reg && i.base_reg->reg_type.bitfield.word)) |
4a3523fa L |
9320 | FRAG_APPEND_1_CHAR ((i.sib.base << 0 |
9321 | | i.sib.index << 3 | |
9322 | | i.sib.scale << 6)); | |
29b0f896 | 9323 | } |
3e73aa7c | 9324 | |
29b0f896 | 9325 | if (i.disp_operands) |
2bbd9c25 | 9326 | output_disp (insn_start_frag, insn_start_off); |
3e73aa7c | 9327 | |
29b0f896 | 9328 | if (i.imm_operands) |
2bbd9c25 | 9329 | output_imm (insn_start_frag, insn_start_off); |
9c33702b JB |
9330 | |
9331 | /* | |
9332 | * frag_now_fix () returning plain abs_section_offset when we're in the | |
9333 | * absolute section, and abs_section_offset not getting updated as data | |
9334 | * gets added to the frag breaks the logic below. | |
9335 | */ | |
9336 | if (now_seg != absolute_section) | |
9337 | { | |
9338 | j = encoding_length (insn_start_frag, insn_start_off, frag_more (0)); | |
9339 | if (j > 15) | |
9340 | as_warn (_("instruction length of %u bytes exceeds the limit of 15"), | |
9341 | j); | |
e379e5f3 L |
9342 | else if (fragP) |
9343 | { | |
9344 | /* NB: Don't add prefix with GOTPC relocation since | |
9345 | output_disp() above depends on the fixed encoding | |
9346 | length. Can't add prefix with TLS relocation since | |
9347 | it breaks TLS linker optimization. */ | |
9348 | unsigned int max = i.has_gotpc_tls_reloc ? 0 : 15 - j; | |
9349 | /* Prefix count on the current instruction. */ | |
9350 | unsigned int count = i.vex.length; | |
9351 | unsigned int k; | |
9352 | for (k = 0; k < ARRAY_SIZE (i.prefix); k++) | |
9353 | /* REX byte is encoded in VEX/EVEX prefix. */ | |
9354 | if (i.prefix[k] && (k != REX_PREFIX || !i.vex.length)) | |
9355 | count++; | |
9356 | ||
9357 | /* Count prefixes for extended opcode maps. */ | |
9358 | if (!i.vex.length) | |
9359 | switch (i.tm.opcode_length) | |
9360 | { | |
9361 | case 3: | |
9362 | if (((i.tm.base_opcode >> 16) & 0xff) == 0xf) | |
9363 | { | |
9364 | count++; | |
9365 | switch ((i.tm.base_opcode >> 8) & 0xff) | |
9366 | { | |
9367 | case 0x38: | |
9368 | case 0x3a: | |
9369 | count++; | |
9370 | break; | |
9371 | default: | |
9372 | break; | |
9373 | } | |
9374 | } | |
9375 | break; | |
9376 | case 2: | |
9377 | if (((i.tm.base_opcode >> 8) & 0xff) == 0xf) | |
9378 | count++; | |
9379 | break; | |
9380 | case 1: | |
9381 | break; | |
9382 | default: | |
9383 | abort (); | |
9384 | } | |
9385 | ||
9386 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) | |
9387 | == BRANCH_PREFIX) | |
9388 | { | |
9389 | /* Set the maximum prefix size in BRANCH_PREFIX | |
9390 | frag. */ | |
9391 | if (fragP->tc_frag_data.max_bytes > max) | |
9392 | fragP->tc_frag_data.max_bytes = max; | |
9393 | if (fragP->tc_frag_data.max_bytes > count) | |
9394 | fragP->tc_frag_data.max_bytes -= count; | |
9395 | else | |
9396 | fragP->tc_frag_data.max_bytes = 0; | |
9397 | } | |
9398 | else | |
9399 | { | |
9400 | /* Remember the maximum prefix size in FUSED_JCC_PADDING | |
9401 | frag. */ | |
9402 | unsigned int max_prefix_size; | |
9403 | if (align_branch_prefix_size > max) | |
9404 | max_prefix_size = max; | |
9405 | else | |
9406 | max_prefix_size = align_branch_prefix_size; | |
9407 | if (max_prefix_size > count) | |
9408 | fragP->tc_frag_data.max_prefix_length | |
9409 | = max_prefix_size - count; | |
9410 | } | |
9411 | ||
9412 | /* Use existing segment prefix if possible. Use CS | |
9413 | segment prefix in 64-bit mode. In 32-bit mode, use SS | |
9414 | segment prefix with ESP/EBP base register and use DS | |
9415 | segment prefix without ESP/EBP base register. */ | |
9416 | if (i.prefix[SEG_PREFIX]) | |
9417 | fragP->tc_frag_data.default_prefix = i.prefix[SEG_PREFIX]; | |
9418 | else if (flag_code == CODE_64BIT) | |
9419 | fragP->tc_frag_data.default_prefix = CS_PREFIX_OPCODE; | |
9420 | else if (i.base_reg | |
9421 | && (i.base_reg->reg_num == 4 | |
9422 | || i.base_reg->reg_num == 5)) | |
9423 | fragP->tc_frag_data.default_prefix = SS_PREFIX_OPCODE; | |
9424 | else | |
9425 | fragP->tc_frag_data.default_prefix = DS_PREFIX_OPCODE; | |
9426 | } | |
9c33702b | 9427 | } |
29b0f896 | 9428 | } |
252b5132 | 9429 | |
e379e5f3 L |
9430 | /* NB: Don't work with COND_JUMP86 without i386. */ |
9431 | if (align_branch_power | |
9432 | && now_seg != absolute_section | |
9433 | && cpu_arch_flags.bitfield.cpui386) | |
9434 | { | |
9435 | /* Terminate each frag so that we can add prefix and check for | |
9436 | fused jcc. */ | |
9437 | frag_wane (frag_now); | |
9438 | frag_new (0); | |
9439 | } | |
9440 | ||
29b0f896 AM |
9441 | #ifdef DEBUG386 |
9442 | if (flag_debug) | |
9443 | { | |
7b81dfbb | 9444 | pi ("" /*line*/, &i); |
29b0f896 AM |
9445 | } |
9446 | #endif /* DEBUG386 */ | |
9447 | } | |
252b5132 | 9448 | |
e205caa7 L |
9449 | /* Return the size of the displacement operand N. */ |
9450 | ||
9451 | static int | |
9452 | disp_size (unsigned int n) | |
9453 | { | |
9454 | int size = 4; | |
43234a1e | 9455 | |
b5014f7a | 9456 | if (i.types[n].bitfield.disp64) |
40fb9820 L |
9457 | size = 8; |
9458 | else if (i.types[n].bitfield.disp8) | |
9459 | size = 1; | |
9460 | else if (i.types[n].bitfield.disp16) | |
9461 | size = 2; | |
e205caa7 L |
9462 | return size; |
9463 | } | |
9464 | ||
9465 | /* Return the size of the immediate operand N. */ | |
9466 | ||
9467 | static int | |
9468 | imm_size (unsigned int n) | |
9469 | { | |
9470 | int size = 4; | |
40fb9820 L |
9471 | if (i.types[n].bitfield.imm64) |
9472 | size = 8; | |
9473 | else if (i.types[n].bitfield.imm8 || i.types[n].bitfield.imm8s) | |
9474 | size = 1; | |
9475 | else if (i.types[n].bitfield.imm16) | |
9476 | size = 2; | |
e205caa7 L |
9477 | return size; |
9478 | } | |
9479 | ||
29b0f896 | 9480 | static void |
64e74474 | 9481 | output_disp (fragS *insn_start_frag, offsetT insn_start_off) |
29b0f896 AM |
9482 | { |
9483 | char *p; | |
9484 | unsigned int n; | |
252b5132 | 9485 | |
29b0f896 AM |
9486 | for (n = 0; n < i.operands; n++) |
9487 | { | |
b5014f7a | 9488 | if (operand_type_check (i.types[n], disp)) |
29b0f896 AM |
9489 | { |
9490 | if (i.op[n].disps->X_op == O_constant) | |
9491 | { | |
e205caa7 | 9492 | int size = disp_size (n); |
43234a1e | 9493 | offsetT val = i.op[n].disps->X_add_number; |
252b5132 | 9494 | |
629cfaf1 JB |
9495 | val = offset_in_range (val >> (size == 1 ? i.memshift : 0), |
9496 | size); | |
29b0f896 AM |
9497 | p = frag_more (size); |
9498 | md_number_to_chars (p, val, size); | |
9499 | } | |
9500 | else | |
9501 | { | |
f86103b7 | 9502 | enum bfd_reloc_code_real reloc_type; |
e205caa7 | 9503 | int size = disp_size (n); |
40fb9820 | 9504 | int sign = i.types[n].bitfield.disp32s; |
29b0f896 | 9505 | int pcrel = (i.flags[n] & Operand_PCrel) != 0; |
02a86693 | 9506 | fixS *fixP; |
29b0f896 | 9507 | |
e205caa7 | 9508 | /* We can't have 8 bit displacement here. */ |
9c2799c2 | 9509 | gas_assert (!i.types[n].bitfield.disp8); |
e205caa7 | 9510 | |
29b0f896 AM |
9511 | /* The PC relative address is computed relative |
9512 | to the instruction boundary, so in case immediate | |
9513 | fields follows, we need to adjust the value. */ | |
9514 | if (pcrel && i.imm_operands) | |
9515 | { | |
29b0f896 | 9516 | unsigned int n1; |
e205caa7 | 9517 | int sz = 0; |
252b5132 | 9518 | |
29b0f896 | 9519 | for (n1 = 0; n1 < i.operands; n1++) |
40fb9820 | 9520 | if (operand_type_check (i.types[n1], imm)) |
252b5132 | 9521 | { |
e205caa7 L |
9522 | /* Only one immediate is allowed for PC |
9523 | relative address. */ | |
9c2799c2 | 9524 | gas_assert (sz == 0); |
e205caa7 L |
9525 | sz = imm_size (n1); |
9526 | i.op[n].disps->X_add_number -= sz; | |
252b5132 | 9527 | } |
29b0f896 | 9528 | /* We should find the immediate. */ |
9c2799c2 | 9529 | gas_assert (sz != 0); |
29b0f896 | 9530 | } |
520dc8e8 | 9531 | |
29b0f896 | 9532 | p = frag_more (size); |
d258b828 | 9533 | reloc_type = reloc (size, pcrel, sign, i.reloc[n]); |
d6ab8113 | 9534 | if (GOT_symbol |
2bbd9c25 | 9535 | && GOT_symbol == i.op[n].disps->X_add_symbol |
d6ab8113 | 9536 | && (((reloc_type == BFD_RELOC_32 |
7b81dfbb AJ |
9537 | || reloc_type == BFD_RELOC_X86_64_32S |
9538 | || (reloc_type == BFD_RELOC_64 | |
9539 | && object_64bit)) | |
d6ab8113 JB |
9540 | && (i.op[n].disps->X_op == O_symbol |
9541 | || (i.op[n].disps->X_op == O_add | |
9542 | && ((symbol_get_value_expression | |
9543 | (i.op[n].disps->X_op_symbol)->X_op) | |
9544 | == O_subtract)))) | |
9545 | || reloc_type == BFD_RELOC_32_PCREL)) | |
2bbd9c25 | 9546 | { |
4fa24527 | 9547 | if (!object_64bit) |
7b81dfbb AJ |
9548 | { |
9549 | reloc_type = BFD_RELOC_386_GOTPC; | |
e379e5f3 | 9550 | i.has_gotpc_tls_reloc = TRUE; |
d583596c JB |
9551 | i.op[n].imms->X_add_number += |
9552 | encoding_length (insn_start_frag, insn_start_off, p); | |
7b81dfbb AJ |
9553 | } |
9554 | else if (reloc_type == BFD_RELOC_64) | |
9555 | reloc_type = BFD_RELOC_X86_64_GOTPC64; | |
d6ab8113 | 9556 | else |
7b81dfbb AJ |
9557 | /* Don't do the adjustment for x86-64, as there |
9558 | the pcrel addressing is relative to the _next_ | |
9559 | insn, and that is taken care of in other code. */ | |
d6ab8113 | 9560 | reloc_type = BFD_RELOC_X86_64_GOTPC32; |
2bbd9c25 | 9561 | } |
e379e5f3 L |
9562 | else if (align_branch_power) |
9563 | { | |
9564 | switch (reloc_type) | |
9565 | { | |
9566 | case BFD_RELOC_386_TLS_GD: | |
9567 | case BFD_RELOC_386_TLS_LDM: | |
9568 | case BFD_RELOC_386_TLS_IE: | |
9569 | case BFD_RELOC_386_TLS_IE_32: | |
9570 | case BFD_RELOC_386_TLS_GOTIE: | |
9571 | case BFD_RELOC_386_TLS_GOTDESC: | |
9572 | case BFD_RELOC_386_TLS_DESC_CALL: | |
9573 | case BFD_RELOC_X86_64_TLSGD: | |
9574 | case BFD_RELOC_X86_64_TLSLD: | |
9575 | case BFD_RELOC_X86_64_GOTTPOFF: | |
9576 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: | |
9577 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
9578 | i.has_gotpc_tls_reloc = TRUE; | |
9579 | default: | |
9580 | break; | |
9581 | } | |
9582 | } | |
02a86693 L |
9583 | fixP = fix_new_exp (frag_now, p - frag_now->fr_literal, |
9584 | size, i.op[n].disps, pcrel, | |
9585 | reloc_type); | |
9586 | /* Check for "call/jmp *mem", "mov mem, %reg", | |
9587 | "test %reg, mem" and "binop mem, %reg" where binop | |
9588 | is one of adc, add, and, cmp, or, sbb, sub, xor | |
e60f4d3b L |
9589 | instructions without data prefix. Always generate |
9590 | R_386_GOT32X for "sym*GOT" operand in 32-bit mode. */ | |
9591 | if (i.prefix[DATA_PREFIX] == 0 | |
9592 | && (generate_relax_relocations | |
9593 | || (!object_64bit | |
9594 | && i.rm.mode == 0 | |
9595 | && i.rm.regmem == 5)) | |
0cb4071e L |
9596 | && (i.rm.mode == 2 |
9597 | || (i.rm.mode == 0 && i.rm.regmem == 5)) | |
2ae4c703 | 9598 | && !is_any_vex_encoding(&i.tm) |
02a86693 L |
9599 | && ((i.operands == 1 |
9600 | && i.tm.base_opcode == 0xff | |
9601 | && (i.rm.reg == 2 || i.rm.reg == 4)) | |
9602 | || (i.operands == 2 | |
9603 | && (i.tm.base_opcode == 0x8b | |
9604 | || i.tm.base_opcode == 0x85 | |
2ae4c703 | 9605 | || (i.tm.base_opcode & ~0x38) == 0x03)))) |
02a86693 L |
9606 | { |
9607 | if (object_64bit) | |
9608 | { | |
9609 | fixP->fx_tcbit = i.rex != 0; | |
9610 | if (i.base_reg | |
e968fc9b | 9611 | && (i.base_reg->reg_num == RegIP)) |
02a86693 L |
9612 | fixP->fx_tcbit2 = 1; |
9613 | } | |
9614 | else | |
9615 | fixP->fx_tcbit2 = 1; | |
9616 | } | |
29b0f896 AM |
9617 | } |
9618 | } | |
9619 | } | |
9620 | } | |
252b5132 | 9621 | |
29b0f896 | 9622 | static void |
64e74474 | 9623 | output_imm (fragS *insn_start_frag, offsetT insn_start_off) |
29b0f896 AM |
9624 | { |
9625 | char *p; | |
9626 | unsigned int n; | |
252b5132 | 9627 | |
29b0f896 AM |
9628 | for (n = 0; n < i.operands; n++) |
9629 | { | |
43234a1e L |
9630 | /* Skip SAE/RC Imm operand in EVEX. They are already handled. */ |
9631 | if (i.rounding && (int) n == i.rounding->operand) | |
9632 | continue; | |
9633 | ||
40fb9820 | 9634 | if (operand_type_check (i.types[n], imm)) |
29b0f896 AM |
9635 | { |
9636 | if (i.op[n].imms->X_op == O_constant) | |
9637 | { | |
e205caa7 | 9638 | int size = imm_size (n); |
29b0f896 | 9639 | offsetT val; |
b4cac588 | 9640 | |
29b0f896 AM |
9641 | val = offset_in_range (i.op[n].imms->X_add_number, |
9642 | size); | |
9643 | p = frag_more (size); | |
9644 | md_number_to_chars (p, val, size); | |
9645 | } | |
9646 | else | |
9647 | { | |
9648 | /* Not absolute_section. | |
9649 | Need a 32-bit fixup (don't support 8bit | |
9650 | non-absolute imms). Try to support other | |
9651 | sizes ... */ | |
f86103b7 | 9652 | enum bfd_reloc_code_real reloc_type; |
e205caa7 L |
9653 | int size = imm_size (n); |
9654 | int sign; | |
29b0f896 | 9655 | |
40fb9820 | 9656 | if (i.types[n].bitfield.imm32s |
a7d61044 | 9657 | && (i.suffix == QWORD_MNEM_SUFFIX |
40fb9820 | 9658 | || (!i.suffix && i.tm.opcode_modifier.no_lsuf))) |
29b0f896 | 9659 | sign = 1; |
e205caa7 L |
9660 | else |
9661 | sign = 0; | |
520dc8e8 | 9662 | |
29b0f896 | 9663 | p = frag_more (size); |
d258b828 | 9664 | reloc_type = reloc (size, 0, sign, i.reloc[n]); |
f86103b7 | 9665 | |
2bbd9c25 JJ |
9666 | /* This is tough to explain. We end up with this one if we |
9667 | * have operands that look like | |
9668 | * "_GLOBAL_OFFSET_TABLE_+[.-.L284]". The goal here is to | |
9669 | * obtain the absolute address of the GOT, and it is strongly | |
9670 | * preferable from a performance point of view to avoid using | |
9671 | * a runtime relocation for this. The actual sequence of | |
9672 | * instructions often look something like: | |
9673 | * | |
9674 | * call .L66 | |
9675 | * .L66: | |
9676 | * popl %ebx | |
9677 | * addl $_GLOBAL_OFFSET_TABLE_+[.-.L66],%ebx | |
9678 | * | |
9679 | * The call and pop essentially return the absolute address | |
9680 | * of the label .L66 and store it in %ebx. The linker itself | |
9681 | * will ultimately change the first operand of the addl so | |
9682 | * that %ebx points to the GOT, but to keep things simple, the | |
9683 | * .o file must have this operand set so that it generates not | |
9684 | * the absolute address of .L66, but the absolute address of | |
9685 | * itself. This allows the linker itself simply treat a GOTPC | |
9686 | * relocation as asking for a pcrel offset to the GOT to be | |
9687 | * added in, and the addend of the relocation is stored in the | |
9688 | * operand field for the instruction itself. | |
9689 | * | |
9690 | * Our job here is to fix the operand so that it would add | |
9691 | * the correct offset so that %ebx would point to itself. The | |
9692 | * thing that is tricky is that .-.L66 will point to the | |
9693 | * beginning of the instruction, so we need to further modify | |
9694 | * the operand so that it will point to itself. There are | |
9695 | * other cases where you have something like: | |
9696 | * | |
9697 | * .long $_GLOBAL_OFFSET_TABLE_+[.-.L66] | |
9698 | * | |
9699 | * and here no correction would be required. Internally in | |
9700 | * the assembler we treat operands of this form as not being | |
9701 | * pcrel since the '.' is explicitly mentioned, and I wonder | |
9702 | * whether it would simplify matters to do it this way. Who | |
9703 | * knows. In earlier versions of the PIC patches, the | |
9704 | * pcrel_adjust field was used to store the correction, but | |
9705 | * since the expression is not pcrel, I felt it would be | |
9706 | * confusing to do it this way. */ | |
9707 | ||
d6ab8113 | 9708 | if ((reloc_type == BFD_RELOC_32 |
7b81dfbb AJ |
9709 | || reloc_type == BFD_RELOC_X86_64_32S |
9710 | || reloc_type == BFD_RELOC_64) | |
29b0f896 AM |
9711 | && GOT_symbol |
9712 | && GOT_symbol == i.op[n].imms->X_add_symbol | |
9713 | && (i.op[n].imms->X_op == O_symbol | |
9714 | || (i.op[n].imms->X_op == O_add | |
9715 | && ((symbol_get_value_expression | |
9716 | (i.op[n].imms->X_op_symbol)->X_op) | |
9717 | == O_subtract)))) | |
9718 | { | |
4fa24527 | 9719 | if (!object_64bit) |
d6ab8113 | 9720 | reloc_type = BFD_RELOC_386_GOTPC; |
7b81dfbb | 9721 | else if (size == 4) |
d6ab8113 | 9722 | reloc_type = BFD_RELOC_X86_64_GOTPC32; |
7b81dfbb AJ |
9723 | else if (size == 8) |
9724 | reloc_type = BFD_RELOC_X86_64_GOTPC64; | |
e379e5f3 | 9725 | i.has_gotpc_tls_reloc = TRUE; |
d583596c JB |
9726 | i.op[n].imms->X_add_number += |
9727 | encoding_length (insn_start_frag, insn_start_off, p); | |
29b0f896 | 9728 | } |
29b0f896 AM |
9729 | fix_new_exp (frag_now, p - frag_now->fr_literal, size, |
9730 | i.op[n].imms, 0, reloc_type); | |
9731 | } | |
9732 | } | |
9733 | } | |
252b5132 RH |
9734 | } |
9735 | \f | |
d182319b JB |
9736 | /* x86_cons_fix_new is called via the expression parsing code when a |
9737 | reloc is needed. We use this hook to get the correct .got reloc. */ | |
d182319b JB |
9738 | static int cons_sign = -1; |
9739 | ||
9740 | void | |
e3bb37b5 | 9741 | x86_cons_fix_new (fragS *frag, unsigned int off, unsigned int len, |
62ebcb5c | 9742 | expressionS *exp, bfd_reloc_code_real_type r) |
d182319b | 9743 | { |
d258b828 | 9744 | r = reloc (len, 0, cons_sign, r); |
d182319b JB |
9745 | |
9746 | #ifdef TE_PE | |
9747 | if (exp->X_op == O_secrel) | |
9748 | { | |
9749 | exp->X_op = O_symbol; | |
9750 | r = BFD_RELOC_32_SECREL; | |
9751 | } | |
9752 | #endif | |
9753 | ||
9754 | fix_new_exp (frag, off, len, exp, 0, r); | |
9755 | } | |
9756 | ||
357d1bd8 L |
9757 | /* Export the ABI address size for use by TC_ADDRESS_BYTES for the |
9758 | purpose of the `.dc.a' internal pseudo-op. */ | |
9759 | ||
9760 | int | |
9761 | x86_address_bytes (void) | |
9762 | { | |
9763 | if ((stdoutput->arch_info->mach & bfd_mach_x64_32)) | |
9764 | return 4; | |
9765 | return stdoutput->arch_info->bits_per_address / 8; | |
9766 | } | |
9767 | ||
d382c579 TG |
9768 | #if !(defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) || defined (OBJ_MACH_O)) \ |
9769 | || defined (LEX_AT) | |
d258b828 | 9770 | # define lex_got(reloc, adjust, types) NULL |
718ddfc0 | 9771 | #else |
f3c180ae AM |
9772 | /* Parse operands of the form |
9773 | <symbol>@GOTOFF+<nnn> | |
9774 | and similar .plt or .got references. | |
9775 | ||
9776 | If we find one, set up the correct relocation in RELOC and copy the | |
9777 | input string, minus the `@GOTOFF' into a malloc'd buffer for | |
9778 | parsing by the calling routine. Return this buffer, and if ADJUST | |
9779 | is non-null set it to the length of the string we removed from the | |
9780 | input line. Otherwise return NULL. */ | |
9781 | static char * | |
91d6fa6a | 9782 | lex_got (enum bfd_reloc_code_real *rel, |
64e74474 | 9783 | int *adjust, |
d258b828 | 9784 | i386_operand_type *types) |
f3c180ae | 9785 | { |
7b81dfbb AJ |
9786 | /* Some of the relocations depend on the size of what field is to |
9787 | be relocated. But in our callers i386_immediate and i386_displacement | |
9788 | we don't yet know the operand size (this will be set by insn | |
9789 | matching). Hence we record the word32 relocation here, | |
9790 | and adjust the reloc according to the real size in reloc(). */ | |
f3c180ae AM |
9791 | static const struct { |
9792 | const char *str; | |
cff8d58a | 9793 | int len; |
4fa24527 | 9794 | const enum bfd_reloc_code_real rel[2]; |
40fb9820 | 9795 | const i386_operand_type types64; |
f3c180ae | 9796 | } gotrel[] = { |
8ce3d284 | 9797 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8fd4256d L |
9798 | { STRING_COMMA_LEN ("SIZE"), { BFD_RELOC_SIZE32, |
9799 | BFD_RELOC_SIZE32 }, | |
9800 | OPERAND_TYPE_IMM32_64 }, | |
8ce3d284 | 9801 | #endif |
cff8d58a L |
9802 | { STRING_COMMA_LEN ("PLTOFF"), { _dummy_first_bfd_reloc_code_real, |
9803 | BFD_RELOC_X86_64_PLTOFF64 }, | |
40fb9820 | 9804 | OPERAND_TYPE_IMM64 }, |
cff8d58a L |
9805 | { STRING_COMMA_LEN ("PLT"), { BFD_RELOC_386_PLT32, |
9806 | BFD_RELOC_X86_64_PLT32 }, | |
40fb9820 | 9807 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9808 | { STRING_COMMA_LEN ("GOTPLT"), { _dummy_first_bfd_reloc_code_real, |
9809 | BFD_RELOC_X86_64_GOTPLT64 }, | |
40fb9820 | 9810 | OPERAND_TYPE_IMM64_DISP64 }, |
cff8d58a L |
9811 | { STRING_COMMA_LEN ("GOTOFF"), { BFD_RELOC_386_GOTOFF, |
9812 | BFD_RELOC_X86_64_GOTOFF64 }, | |
40fb9820 | 9813 | OPERAND_TYPE_IMM64_DISP64 }, |
cff8d58a L |
9814 | { STRING_COMMA_LEN ("GOTPCREL"), { _dummy_first_bfd_reloc_code_real, |
9815 | BFD_RELOC_X86_64_GOTPCREL }, | |
40fb9820 | 9816 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9817 | { STRING_COMMA_LEN ("TLSGD"), { BFD_RELOC_386_TLS_GD, |
9818 | BFD_RELOC_X86_64_TLSGD }, | |
40fb9820 | 9819 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9820 | { STRING_COMMA_LEN ("TLSLDM"), { BFD_RELOC_386_TLS_LDM, |
9821 | _dummy_first_bfd_reloc_code_real }, | |
40fb9820 | 9822 | OPERAND_TYPE_NONE }, |
cff8d58a L |
9823 | { STRING_COMMA_LEN ("TLSLD"), { _dummy_first_bfd_reloc_code_real, |
9824 | BFD_RELOC_X86_64_TLSLD }, | |
40fb9820 | 9825 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9826 | { STRING_COMMA_LEN ("GOTTPOFF"), { BFD_RELOC_386_TLS_IE_32, |
9827 | BFD_RELOC_X86_64_GOTTPOFF }, | |
40fb9820 | 9828 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9829 | { STRING_COMMA_LEN ("TPOFF"), { BFD_RELOC_386_TLS_LE_32, |
9830 | BFD_RELOC_X86_64_TPOFF32 }, | |
40fb9820 | 9831 | OPERAND_TYPE_IMM32_32S_64_DISP32_64 }, |
cff8d58a L |
9832 | { STRING_COMMA_LEN ("NTPOFF"), { BFD_RELOC_386_TLS_LE, |
9833 | _dummy_first_bfd_reloc_code_real }, | |
40fb9820 | 9834 | OPERAND_TYPE_NONE }, |
cff8d58a L |
9835 | { STRING_COMMA_LEN ("DTPOFF"), { BFD_RELOC_386_TLS_LDO_32, |
9836 | BFD_RELOC_X86_64_DTPOFF32 }, | |
40fb9820 | 9837 | OPERAND_TYPE_IMM32_32S_64_DISP32_64 }, |
cff8d58a L |
9838 | { STRING_COMMA_LEN ("GOTNTPOFF"),{ BFD_RELOC_386_TLS_GOTIE, |
9839 | _dummy_first_bfd_reloc_code_real }, | |
40fb9820 | 9840 | OPERAND_TYPE_NONE }, |
cff8d58a L |
9841 | { STRING_COMMA_LEN ("INDNTPOFF"),{ BFD_RELOC_386_TLS_IE, |
9842 | _dummy_first_bfd_reloc_code_real }, | |
40fb9820 | 9843 | OPERAND_TYPE_NONE }, |
cff8d58a L |
9844 | { STRING_COMMA_LEN ("GOT"), { BFD_RELOC_386_GOT32, |
9845 | BFD_RELOC_X86_64_GOT32 }, | |
40fb9820 | 9846 | OPERAND_TYPE_IMM32_32S_64_DISP32 }, |
cff8d58a L |
9847 | { STRING_COMMA_LEN ("TLSDESC"), { BFD_RELOC_386_TLS_GOTDESC, |
9848 | BFD_RELOC_X86_64_GOTPC32_TLSDESC }, | |
40fb9820 | 9849 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
cff8d58a L |
9850 | { STRING_COMMA_LEN ("TLSCALL"), { BFD_RELOC_386_TLS_DESC_CALL, |
9851 | BFD_RELOC_X86_64_TLSDESC_CALL }, | |
40fb9820 | 9852 | OPERAND_TYPE_IMM32_32S_DISP32 }, |
f3c180ae AM |
9853 | }; |
9854 | char *cp; | |
9855 | unsigned int j; | |
9856 | ||
d382c579 | 9857 | #if defined (OBJ_MAYBE_ELF) |
718ddfc0 JB |
9858 | if (!IS_ELF) |
9859 | return NULL; | |
d382c579 | 9860 | #endif |
718ddfc0 | 9861 | |
f3c180ae | 9862 | for (cp = input_line_pointer; *cp != '@'; cp++) |
67c11a9b | 9863 | if (is_end_of_line[(unsigned char) *cp] || *cp == ',') |
f3c180ae AM |
9864 | return NULL; |
9865 | ||
47465058 | 9866 | for (j = 0; j < ARRAY_SIZE (gotrel); j++) |
f3c180ae | 9867 | { |
cff8d58a | 9868 | int len = gotrel[j].len; |
28f81592 | 9869 | if (strncasecmp (cp + 1, gotrel[j].str, len) == 0) |
f3c180ae | 9870 | { |
4fa24527 | 9871 | if (gotrel[j].rel[object_64bit] != 0) |
f3c180ae | 9872 | { |
28f81592 AM |
9873 | int first, second; |
9874 | char *tmpbuf, *past_reloc; | |
f3c180ae | 9875 | |
91d6fa6a | 9876 | *rel = gotrel[j].rel[object_64bit]; |
f3c180ae | 9877 | |
3956db08 JB |
9878 | if (types) |
9879 | { | |
9880 | if (flag_code != CODE_64BIT) | |
40fb9820 L |
9881 | { |
9882 | types->bitfield.imm32 = 1; | |
9883 | types->bitfield.disp32 = 1; | |
9884 | } | |
3956db08 JB |
9885 | else |
9886 | *types = gotrel[j].types64; | |
9887 | } | |
9888 | ||
8fd4256d | 9889 | if (j != 0 && GOT_symbol == NULL) |
f3c180ae AM |
9890 | GOT_symbol = symbol_find_or_make (GLOBAL_OFFSET_TABLE_NAME); |
9891 | ||
28f81592 | 9892 | /* The length of the first part of our input line. */ |
f3c180ae | 9893 | first = cp - input_line_pointer; |
28f81592 AM |
9894 | |
9895 | /* The second part goes from after the reloc token until | |
67c11a9b | 9896 | (and including) an end_of_line char or comma. */ |
28f81592 | 9897 | past_reloc = cp + 1 + len; |
67c11a9b AM |
9898 | cp = past_reloc; |
9899 | while (!is_end_of_line[(unsigned char) *cp] && *cp != ',') | |
9900 | ++cp; | |
9901 | second = cp + 1 - past_reloc; | |
28f81592 AM |
9902 | |
9903 | /* Allocate and copy string. The trailing NUL shouldn't | |
9904 | be necessary, but be safe. */ | |
add39d23 | 9905 | tmpbuf = XNEWVEC (char, first + second + 2); |
f3c180ae | 9906 | memcpy (tmpbuf, input_line_pointer, first); |
0787a12d AM |
9907 | if (second != 0 && *past_reloc != ' ') |
9908 | /* Replace the relocation token with ' ', so that | |
9909 | errors like foo@GOTOFF1 will be detected. */ | |
9910 | tmpbuf[first++] = ' '; | |
af89796a L |
9911 | else |
9912 | /* Increment length by 1 if the relocation token is | |
9913 | removed. */ | |
9914 | len++; | |
9915 | if (adjust) | |
9916 | *adjust = len; | |
0787a12d AM |
9917 | memcpy (tmpbuf + first, past_reloc, second); |
9918 | tmpbuf[first + second] = '\0'; | |
f3c180ae AM |
9919 | return tmpbuf; |
9920 | } | |
9921 | ||
4fa24527 JB |
9922 | as_bad (_("@%s reloc is not supported with %d-bit output format"), |
9923 | gotrel[j].str, 1 << (5 + object_64bit)); | |
f3c180ae AM |
9924 | return NULL; |
9925 | } | |
9926 | } | |
9927 | ||
9928 | /* Might be a symbol version string. Don't as_bad here. */ | |
9929 | return NULL; | |
9930 | } | |
4e4f7c87 | 9931 | #endif |
f3c180ae | 9932 | |
a988325c NC |
9933 | #ifdef TE_PE |
9934 | #ifdef lex_got | |
9935 | #undef lex_got | |
9936 | #endif | |
9937 | /* Parse operands of the form | |
9938 | <symbol>@SECREL32+<nnn> | |
9939 | ||
9940 | If we find one, set up the correct relocation in RELOC and copy the | |
9941 | input string, minus the `@SECREL32' into a malloc'd buffer for | |
9942 | parsing by the calling routine. Return this buffer, and if ADJUST | |
9943 | is non-null set it to the length of the string we removed from the | |
34bca508 L |
9944 | input line. Otherwise return NULL. |
9945 | ||
a988325c NC |
9946 | This function is copied from the ELF version above adjusted for PE targets. */ |
9947 | ||
9948 | static char * | |
9949 | lex_got (enum bfd_reloc_code_real *rel ATTRIBUTE_UNUSED, | |
9950 | int *adjust ATTRIBUTE_UNUSED, | |
d258b828 | 9951 | i386_operand_type *types) |
a988325c NC |
9952 | { |
9953 | static const struct | |
9954 | { | |
9955 | const char *str; | |
9956 | int len; | |
9957 | const enum bfd_reloc_code_real rel[2]; | |
9958 | const i386_operand_type types64; | |
9959 | } | |
9960 | gotrel[] = | |
9961 | { | |
9962 | { STRING_COMMA_LEN ("SECREL32"), { BFD_RELOC_32_SECREL, | |
9963 | BFD_RELOC_32_SECREL }, | |
9964 | OPERAND_TYPE_IMM32_32S_64_DISP32_64 }, | |
9965 | }; | |
9966 | ||
9967 | char *cp; | |
9968 | unsigned j; | |
9969 | ||
9970 | for (cp = input_line_pointer; *cp != '@'; cp++) | |
9971 | if (is_end_of_line[(unsigned char) *cp] || *cp == ',') | |
9972 | return NULL; | |
9973 | ||
9974 | for (j = 0; j < ARRAY_SIZE (gotrel); j++) | |
9975 | { | |
9976 | int len = gotrel[j].len; | |
9977 | ||
9978 | if (strncasecmp (cp + 1, gotrel[j].str, len) == 0) | |
9979 | { | |
9980 | if (gotrel[j].rel[object_64bit] != 0) | |
9981 | { | |
9982 | int first, second; | |
9983 | char *tmpbuf, *past_reloc; | |
9984 | ||
9985 | *rel = gotrel[j].rel[object_64bit]; | |
9986 | if (adjust) | |
9987 | *adjust = len; | |
9988 | ||
9989 | if (types) | |
9990 | { | |
9991 | if (flag_code != CODE_64BIT) | |
9992 | { | |
9993 | types->bitfield.imm32 = 1; | |
9994 | types->bitfield.disp32 = 1; | |
9995 | } | |
9996 | else | |
9997 | *types = gotrel[j].types64; | |
9998 | } | |
9999 | ||
10000 | /* The length of the first part of our input line. */ | |
10001 | first = cp - input_line_pointer; | |
10002 | ||
10003 | /* The second part goes from after the reloc token until | |
10004 | (and including) an end_of_line char or comma. */ | |
10005 | past_reloc = cp + 1 + len; | |
10006 | cp = past_reloc; | |
10007 | while (!is_end_of_line[(unsigned char) *cp] && *cp != ',') | |
10008 | ++cp; | |
10009 | second = cp + 1 - past_reloc; | |
10010 | ||
10011 | /* Allocate and copy string. The trailing NUL shouldn't | |
10012 | be necessary, but be safe. */ | |
add39d23 | 10013 | tmpbuf = XNEWVEC (char, first + second + 2); |
a988325c NC |
10014 | memcpy (tmpbuf, input_line_pointer, first); |
10015 | if (second != 0 && *past_reloc != ' ') | |
10016 | /* Replace the relocation token with ' ', so that | |
10017 | errors like foo@SECLREL321 will be detected. */ | |
10018 | tmpbuf[first++] = ' '; | |
10019 | memcpy (tmpbuf + first, past_reloc, second); | |
10020 | tmpbuf[first + second] = '\0'; | |
10021 | return tmpbuf; | |
10022 | } | |
10023 | ||
10024 | as_bad (_("@%s reloc is not supported with %d-bit output format"), | |
10025 | gotrel[j].str, 1 << (5 + object_64bit)); | |
10026 | return NULL; | |
10027 | } | |
10028 | } | |
10029 | ||
10030 | /* Might be a symbol version string. Don't as_bad here. */ | |
10031 | return NULL; | |
10032 | } | |
10033 | ||
10034 | #endif /* TE_PE */ | |
10035 | ||
62ebcb5c | 10036 | bfd_reloc_code_real_type |
e3bb37b5 | 10037 | x86_cons (expressionS *exp, int size) |
f3c180ae | 10038 | { |
62ebcb5c AM |
10039 | bfd_reloc_code_real_type got_reloc = NO_RELOC; |
10040 | ||
ee86248c JB |
10041 | intel_syntax = -intel_syntax; |
10042 | ||
3c7b9c2c | 10043 | exp->X_md = 0; |
4fa24527 | 10044 | if (size == 4 || (object_64bit && size == 8)) |
f3c180ae AM |
10045 | { |
10046 | /* Handle @GOTOFF and the like in an expression. */ | |
10047 | char *save; | |
10048 | char *gotfree_input_line; | |
4a57f2cf | 10049 | int adjust = 0; |
f3c180ae AM |
10050 | |
10051 | save = input_line_pointer; | |
d258b828 | 10052 | gotfree_input_line = lex_got (&got_reloc, &adjust, NULL); |
f3c180ae AM |
10053 | if (gotfree_input_line) |
10054 | input_line_pointer = gotfree_input_line; | |
10055 | ||
10056 | expression (exp); | |
10057 | ||
10058 | if (gotfree_input_line) | |
10059 | { | |
10060 | /* expression () has merrily parsed up to the end of line, | |
10061 | or a comma - in the wrong buffer. Transfer how far | |
10062 | input_line_pointer has moved to the right buffer. */ | |
10063 | input_line_pointer = (save | |
10064 | + (input_line_pointer - gotfree_input_line) | |
10065 | + adjust); | |
10066 | free (gotfree_input_line); | |
3992d3b7 AM |
10067 | if (exp->X_op == O_constant |
10068 | || exp->X_op == O_absent | |
10069 | || exp->X_op == O_illegal | |
0398aac5 | 10070 | || exp->X_op == O_register |
3992d3b7 AM |
10071 | || exp->X_op == O_big) |
10072 | { | |
10073 | char c = *input_line_pointer; | |
10074 | *input_line_pointer = 0; | |
10075 | as_bad (_("missing or invalid expression `%s'"), save); | |
10076 | *input_line_pointer = c; | |
10077 | } | |
b9519cfe L |
10078 | else if ((got_reloc == BFD_RELOC_386_PLT32 |
10079 | || got_reloc == BFD_RELOC_X86_64_PLT32) | |
10080 | && exp->X_op != O_symbol) | |
10081 | { | |
10082 | char c = *input_line_pointer; | |
10083 | *input_line_pointer = 0; | |
10084 | as_bad (_("invalid PLT expression `%s'"), save); | |
10085 | *input_line_pointer = c; | |
10086 | } | |
f3c180ae AM |
10087 | } |
10088 | } | |
10089 | else | |
10090 | expression (exp); | |
ee86248c JB |
10091 | |
10092 | intel_syntax = -intel_syntax; | |
10093 | ||
10094 | if (intel_syntax) | |
10095 | i386_intel_simplify (exp); | |
62ebcb5c AM |
10096 | |
10097 | return got_reloc; | |
f3c180ae | 10098 | } |
f3c180ae | 10099 | |
9f32dd5b L |
10100 | static void |
10101 | signed_cons (int size) | |
6482c264 | 10102 | { |
d182319b JB |
10103 | if (flag_code == CODE_64BIT) |
10104 | cons_sign = 1; | |
10105 | cons (size); | |
10106 | cons_sign = -1; | |
6482c264 NC |
10107 | } |
10108 | ||
d182319b | 10109 | #ifdef TE_PE |
6482c264 | 10110 | static void |
7016a5d5 | 10111 | pe_directive_secrel (int dummy ATTRIBUTE_UNUSED) |
6482c264 NC |
10112 | { |
10113 | expressionS exp; | |
10114 | ||
10115 | do | |
10116 | { | |
10117 | expression (&exp); | |
10118 | if (exp.X_op == O_symbol) | |
10119 | exp.X_op = O_secrel; | |
10120 | ||
10121 | emit_expr (&exp, 4); | |
10122 | } | |
10123 | while (*input_line_pointer++ == ','); | |
10124 | ||
10125 | input_line_pointer--; | |
10126 | demand_empty_rest_of_line (); | |
10127 | } | |
6482c264 NC |
10128 | #endif |
10129 | ||
43234a1e L |
10130 | /* Handle Vector operations. */ |
10131 | ||
10132 | static char * | |
10133 | check_VecOperations (char *op_string, char *op_end) | |
10134 | { | |
10135 | const reg_entry *mask; | |
10136 | const char *saved; | |
10137 | char *end_op; | |
10138 | ||
10139 | while (*op_string | |
10140 | && (op_end == NULL || op_string < op_end)) | |
10141 | { | |
10142 | saved = op_string; | |
10143 | if (*op_string == '{') | |
10144 | { | |
10145 | op_string++; | |
10146 | ||
10147 | /* Check broadcasts. */ | |
10148 | if (strncmp (op_string, "1to", 3) == 0) | |
10149 | { | |
10150 | int bcst_type; | |
10151 | ||
10152 | if (i.broadcast) | |
10153 | goto duplicated_vec_op; | |
10154 | ||
10155 | op_string += 3; | |
10156 | if (*op_string == '8') | |
8e6e0792 | 10157 | bcst_type = 8; |
b28d1bda | 10158 | else if (*op_string == '4') |
8e6e0792 | 10159 | bcst_type = 4; |
b28d1bda | 10160 | else if (*op_string == '2') |
8e6e0792 | 10161 | bcst_type = 2; |
43234a1e L |
10162 | else if (*op_string == '1' |
10163 | && *(op_string+1) == '6') | |
10164 | { | |
8e6e0792 | 10165 | bcst_type = 16; |
43234a1e L |
10166 | op_string++; |
10167 | } | |
10168 | else | |
10169 | { | |
10170 | as_bad (_("Unsupported broadcast: `%s'"), saved); | |
10171 | return NULL; | |
10172 | } | |
10173 | op_string++; | |
10174 | ||
10175 | broadcast_op.type = bcst_type; | |
10176 | broadcast_op.operand = this_operand; | |
1f75763a | 10177 | broadcast_op.bytes = 0; |
43234a1e L |
10178 | i.broadcast = &broadcast_op; |
10179 | } | |
10180 | /* Check masking operation. */ | |
10181 | else if ((mask = parse_register (op_string, &end_op)) != NULL) | |
10182 | { | |
8a6fb3f9 JB |
10183 | if (mask == &bad_reg) |
10184 | return NULL; | |
10185 | ||
43234a1e | 10186 | /* k0 can't be used for write mask. */ |
f74a6307 | 10187 | if (mask->reg_type.bitfield.class != RegMask || !mask->reg_num) |
43234a1e | 10188 | { |
6d2cd6b2 JB |
10189 | as_bad (_("`%s%s' can't be used for write mask"), |
10190 | register_prefix, mask->reg_name); | |
43234a1e L |
10191 | return NULL; |
10192 | } | |
10193 | ||
10194 | if (!i.mask) | |
10195 | { | |
10196 | mask_op.mask = mask; | |
10197 | mask_op.zeroing = 0; | |
10198 | mask_op.operand = this_operand; | |
10199 | i.mask = &mask_op; | |
10200 | } | |
10201 | else | |
10202 | { | |
10203 | if (i.mask->mask) | |
10204 | goto duplicated_vec_op; | |
10205 | ||
10206 | i.mask->mask = mask; | |
10207 | ||
10208 | /* Only "{z}" is allowed here. No need to check | |
10209 | zeroing mask explicitly. */ | |
10210 | if (i.mask->operand != this_operand) | |
10211 | { | |
10212 | as_bad (_("invalid write mask `%s'"), saved); | |
10213 | return NULL; | |
10214 | } | |
10215 | } | |
10216 | ||
10217 | op_string = end_op; | |
10218 | } | |
10219 | /* Check zeroing-flag for masking operation. */ | |
10220 | else if (*op_string == 'z') | |
10221 | { | |
10222 | if (!i.mask) | |
10223 | { | |
10224 | mask_op.mask = NULL; | |
10225 | mask_op.zeroing = 1; | |
10226 | mask_op.operand = this_operand; | |
10227 | i.mask = &mask_op; | |
10228 | } | |
10229 | else | |
10230 | { | |
10231 | if (i.mask->zeroing) | |
10232 | { | |
10233 | duplicated_vec_op: | |
10234 | as_bad (_("duplicated `%s'"), saved); | |
10235 | return NULL; | |
10236 | } | |
10237 | ||
10238 | i.mask->zeroing = 1; | |
10239 | ||
10240 | /* Only "{%k}" is allowed here. No need to check mask | |
10241 | register explicitly. */ | |
10242 | if (i.mask->operand != this_operand) | |
10243 | { | |
10244 | as_bad (_("invalid zeroing-masking `%s'"), | |
10245 | saved); | |
10246 | return NULL; | |
10247 | } | |
10248 | } | |
10249 | ||
10250 | op_string++; | |
10251 | } | |
10252 | else | |
10253 | goto unknown_vec_op; | |
10254 | ||
10255 | if (*op_string != '}') | |
10256 | { | |
10257 | as_bad (_("missing `}' in `%s'"), saved); | |
10258 | return NULL; | |
10259 | } | |
10260 | op_string++; | |
0ba3a731 L |
10261 | |
10262 | /* Strip whitespace since the addition of pseudo prefixes | |
10263 | changed how the scrubber treats '{'. */ | |
10264 | if (is_space_char (*op_string)) | |
10265 | ++op_string; | |
10266 | ||
43234a1e L |
10267 | continue; |
10268 | } | |
10269 | unknown_vec_op: | |
10270 | /* We don't know this one. */ | |
10271 | as_bad (_("unknown vector operation: `%s'"), saved); | |
10272 | return NULL; | |
10273 | } | |
10274 | ||
6d2cd6b2 JB |
10275 | if (i.mask && i.mask->zeroing && !i.mask->mask) |
10276 | { | |
10277 | as_bad (_("zeroing-masking only allowed with write mask")); | |
10278 | return NULL; | |
10279 | } | |
10280 | ||
43234a1e L |
10281 | return op_string; |
10282 | } | |
10283 | ||
252b5132 | 10284 | static int |
70e41ade | 10285 | i386_immediate (char *imm_start) |
252b5132 RH |
10286 | { |
10287 | char *save_input_line_pointer; | |
f3c180ae | 10288 | char *gotfree_input_line; |
252b5132 | 10289 | segT exp_seg = 0; |
47926f60 | 10290 | expressionS *exp; |
40fb9820 L |
10291 | i386_operand_type types; |
10292 | ||
0dfbf9d7 | 10293 | operand_type_set (&types, ~0); |
252b5132 RH |
10294 | |
10295 | if (i.imm_operands == MAX_IMMEDIATE_OPERANDS) | |
10296 | { | |
31b2323c L |
10297 | as_bad (_("at most %d immediate operands are allowed"), |
10298 | MAX_IMMEDIATE_OPERANDS); | |
252b5132 RH |
10299 | return 0; |
10300 | } | |
10301 | ||
10302 | exp = &im_expressions[i.imm_operands++]; | |
520dc8e8 | 10303 | i.op[this_operand].imms = exp; |
252b5132 RH |
10304 | |
10305 | if (is_space_char (*imm_start)) | |
10306 | ++imm_start; | |
10307 | ||
10308 | save_input_line_pointer = input_line_pointer; | |
10309 | input_line_pointer = imm_start; | |
10310 | ||
d258b828 | 10311 | gotfree_input_line = lex_got (&i.reloc[this_operand], NULL, &types); |
f3c180ae AM |
10312 | if (gotfree_input_line) |
10313 | input_line_pointer = gotfree_input_line; | |
252b5132 RH |
10314 | |
10315 | exp_seg = expression (exp); | |
10316 | ||
83183c0c | 10317 | SKIP_WHITESPACE (); |
43234a1e L |
10318 | |
10319 | /* Handle vector operations. */ | |
10320 | if (*input_line_pointer == '{') | |
10321 | { | |
10322 | input_line_pointer = check_VecOperations (input_line_pointer, | |
10323 | NULL); | |
10324 | if (input_line_pointer == NULL) | |
10325 | return 0; | |
10326 | } | |
10327 | ||
252b5132 | 10328 | if (*input_line_pointer) |
f3c180ae | 10329 | as_bad (_("junk `%s' after expression"), input_line_pointer); |
252b5132 RH |
10330 | |
10331 | input_line_pointer = save_input_line_pointer; | |
f3c180ae | 10332 | if (gotfree_input_line) |
ee86248c JB |
10333 | { |
10334 | free (gotfree_input_line); | |
10335 | ||
10336 | if (exp->X_op == O_constant || exp->X_op == O_register) | |
10337 | exp->X_op = O_illegal; | |
10338 | } | |
10339 | ||
10340 | return i386_finalize_immediate (exp_seg, exp, types, imm_start); | |
10341 | } | |
252b5132 | 10342 | |
ee86248c JB |
10343 | static int |
10344 | i386_finalize_immediate (segT exp_seg ATTRIBUTE_UNUSED, expressionS *exp, | |
10345 | i386_operand_type types, const char *imm_start) | |
10346 | { | |
10347 | if (exp->X_op == O_absent || exp->X_op == O_illegal || exp->X_op == O_big) | |
252b5132 | 10348 | { |
313c53d1 L |
10349 | if (imm_start) |
10350 | as_bad (_("missing or invalid immediate expression `%s'"), | |
10351 | imm_start); | |
3992d3b7 | 10352 | return 0; |
252b5132 | 10353 | } |
3e73aa7c | 10354 | else if (exp->X_op == O_constant) |
252b5132 | 10355 | { |
47926f60 | 10356 | /* Size it properly later. */ |
40fb9820 | 10357 | i.types[this_operand].bitfield.imm64 = 1; |
13f864ae L |
10358 | /* If not 64bit, sign extend val. */ |
10359 | if (flag_code != CODE_64BIT | |
4eed87de AM |
10360 | && (exp->X_add_number & ~(((addressT) 2 << 31) - 1)) == 0) |
10361 | exp->X_add_number | |
10362 | = (exp->X_add_number ^ ((addressT) 1 << 31)) - ((addressT) 1 << 31); | |
252b5132 | 10363 | } |
4c63da97 | 10364 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
f86103b7 | 10365 | else if (OUTPUT_FLAVOR == bfd_target_aout_flavour |
31312f95 | 10366 | && exp_seg != absolute_section |
47926f60 | 10367 | && exp_seg != text_section |
24eab124 AM |
10368 | && exp_seg != data_section |
10369 | && exp_seg != bss_section | |
10370 | && exp_seg != undefined_section | |
f86103b7 | 10371 | && !bfd_is_com_section (exp_seg)) |
252b5132 | 10372 | { |
d0b47220 | 10373 | as_bad (_("unimplemented segment %s in operand"), exp_seg->name); |
252b5132 RH |
10374 | return 0; |
10375 | } | |
10376 | #endif | |
a841bdf5 | 10377 | else if (!intel_syntax && exp_seg == reg_section) |
bb8f5920 | 10378 | { |
313c53d1 L |
10379 | if (imm_start) |
10380 | as_bad (_("illegal immediate register operand %s"), imm_start); | |
bb8f5920 L |
10381 | return 0; |
10382 | } | |
252b5132 RH |
10383 | else |
10384 | { | |
10385 | /* This is an address. The size of the address will be | |
24eab124 | 10386 | determined later, depending on destination register, |
3e73aa7c | 10387 | suffix, or the default for the section. */ |
40fb9820 L |
10388 | i.types[this_operand].bitfield.imm8 = 1; |
10389 | i.types[this_operand].bitfield.imm16 = 1; | |
10390 | i.types[this_operand].bitfield.imm32 = 1; | |
10391 | i.types[this_operand].bitfield.imm32s = 1; | |
10392 | i.types[this_operand].bitfield.imm64 = 1; | |
c6fb90c8 L |
10393 | i.types[this_operand] = operand_type_and (i.types[this_operand], |
10394 | types); | |
252b5132 RH |
10395 | } |
10396 | ||
10397 | return 1; | |
10398 | } | |
10399 | ||
551c1ca1 | 10400 | static char * |
e3bb37b5 | 10401 | i386_scale (char *scale) |
252b5132 | 10402 | { |
551c1ca1 AM |
10403 | offsetT val; |
10404 | char *save = input_line_pointer; | |
252b5132 | 10405 | |
551c1ca1 AM |
10406 | input_line_pointer = scale; |
10407 | val = get_absolute_expression (); | |
10408 | ||
10409 | switch (val) | |
252b5132 | 10410 | { |
551c1ca1 | 10411 | case 1: |
252b5132 RH |
10412 | i.log2_scale_factor = 0; |
10413 | break; | |
551c1ca1 | 10414 | case 2: |
252b5132 RH |
10415 | i.log2_scale_factor = 1; |
10416 | break; | |
551c1ca1 | 10417 | case 4: |
252b5132 RH |
10418 | i.log2_scale_factor = 2; |
10419 | break; | |
551c1ca1 | 10420 | case 8: |
252b5132 RH |
10421 | i.log2_scale_factor = 3; |
10422 | break; | |
10423 | default: | |
a724f0f4 JB |
10424 | { |
10425 | char sep = *input_line_pointer; | |
10426 | ||
10427 | *input_line_pointer = '\0'; | |
10428 | as_bad (_("expecting scale factor of 1, 2, 4, or 8: got `%s'"), | |
10429 | scale); | |
10430 | *input_line_pointer = sep; | |
10431 | input_line_pointer = save; | |
10432 | return NULL; | |
10433 | } | |
252b5132 | 10434 | } |
29b0f896 | 10435 | if (i.log2_scale_factor != 0 && i.index_reg == 0) |
252b5132 RH |
10436 | { |
10437 | as_warn (_("scale factor of %d without an index register"), | |
24eab124 | 10438 | 1 << i.log2_scale_factor); |
252b5132 | 10439 | i.log2_scale_factor = 0; |
252b5132 | 10440 | } |
551c1ca1 AM |
10441 | scale = input_line_pointer; |
10442 | input_line_pointer = save; | |
10443 | return scale; | |
252b5132 RH |
10444 | } |
10445 | ||
252b5132 | 10446 | static int |
e3bb37b5 | 10447 | i386_displacement (char *disp_start, char *disp_end) |
252b5132 | 10448 | { |
29b0f896 | 10449 | expressionS *exp; |
252b5132 RH |
10450 | segT exp_seg = 0; |
10451 | char *save_input_line_pointer; | |
f3c180ae | 10452 | char *gotfree_input_line; |
40fb9820 L |
10453 | int override; |
10454 | i386_operand_type bigdisp, types = anydisp; | |
3992d3b7 | 10455 | int ret; |
252b5132 | 10456 | |
31b2323c L |
10457 | if (i.disp_operands == MAX_MEMORY_OPERANDS) |
10458 | { | |
10459 | as_bad (_("at most %d displacement operands are allowed"), | |
10460 | MAX_MEMORY_OPERANDS); | |
10461 | return 0; | |
10462 | } | |
10463 | ||
0dfbf9d7 | 10464 | operand_type_set (&bigdisp, 0); |
6f2f06be | 10465 | if (i.jumpabsolute |
48bcea9f | 10466 | || i.types[this_operand].bitfield.baseindex |
0cfa3eb3 JB |
10467 | || (current_templates->start->opcode_modifier.jump != JUMP |
10468 | && current_templates->start->opcode_modifier.jump != JUMP_DWORD)) | |
e05278af | 10469 | { |
48bcea9f | 10470 | i386_addressing_mode (); |
e05278af | 10471 | override = (i.prefix[ADDR_PREFIX] != 0); |
40fb9820 L |
10472 | if (flag_code == CODE_64BIT) |
10473 | { | |
10474 | if (!override) | |
10475 | { | |
10476 | bigdisp.bitfield.disp32s = 1; | |
10477 | bigdisp.bitfield.disp64 = 1; | |
10478 | } | |
48bcea9f JB |
10479 | else |
10480 | bigdisp.bitfield.disp32 = 1; | |
40fb9820 L |
10481 | } |
10482 | else if ((flag_code == CODE_16BIT) ^ override) | |
40fb9820 | 10483 | bigdisp.bitfield.disp16 = 1; |
48bcea9f JB |
10484 | else |
10485 | bigdisp.bitfield.disp32 = 1; | |
e05278af JB |
10486 | } |
10487 | else | |
10488 | { | |
376cd056 JB |
10489 | /* For PC-relative branches, the width of the displacement may be |
10490 | dependent upon data size, but is never dependent upon address size. | |
10491 | Also make sure to not unintentionally match against a non-PC-relative | |
10492 | branch template. */ | |
10493 | static templates aux_templates; | |
10494 | const insn_template *t = current_templates->start; | |
10495 | bfd_boolean has_intel64 = FALSE; | |
10496 | ||
10497 | aux_templates.start = t; | |
10498 | while (++t < current_templates->end) | |
10499 | { | |
10500 | if (t->opcode_modifier.jump | |
10501 | != current_templates->start->opcode_modifier.jump) | |
10502 | break; | |
4b5aaf5f | 10503 | if ((t->opcode_modifier.isa64 >= INTEL64)) |
376cd056 JB |
10504 | has_intel64 = TRUE; |
10505 | } | |
10506 | if (t < current_templates->end) | |
10507 | { | |
10508 | aux_templates.end = t; | |
10509 | current_templates = &aux_templates; | |
10510 | } | |
10511 | ||
e05278af | 10512 | override = (i.prefix[DATA_PREFIX] != 0); |
40fb9820 L |
10513 | if (flag_code == CODE_64BIT) |
10514 | { | |
376cd056 JB |
10515 | if ((override || i.suffix == WORD_MNEM_SUFFIX) |
10516 | && (!intel64 || !has_intel64)) | |
40fb9820 L |
10517 | bigdisp.bitfield.disp16 = 1; |
10518 | else | |
48bcea9f | 10519 | bigdisp.bitfield.disp32s = 1; |
40fb9820 L |
10520 | } |
10521 | else | |
e05278af JB |
10522 | { |
10523 | if (!override) | |
10524 | override = (i.suffix == (flag_code != CODE_16BIT | |
10525 | ? WORD_MNEM_SUFFIX | |
10526 | : LONG_MNEM_SUFFIX)); | |
40fb9820 L |
10527 | bigdisp.bitfield.disp32 = 1; |
10528 | if ((flag_code == CODE_16BIT) ^ override) | |
10529 | { | |
10530 | bigdisp.bitfield.disp32 = 0; | |
10531 | bigdisp.bitfield.disp16 = 1; | |
10532 | } | |
e05278af | 10533 | } |
e05278af | 10534 | } |
c6fb90c8 L |
10535 | i.types[this_operand] = operand_type_or (i.types[this_operand], |
10536 | bigdisp); | |
252b5132 RH |
10537 | |
10538 | exp = &disp_expressions[i.disp_operands]; | |
520dc8e8 | 10539 | i.op[this_operand].disps = exp; |
252b5132 RH |
10540 | i.disp_operands++; |
10541 | save_input_line_pointer = input_line_pointer; | |
10542 | input_line_pointer = disp_start; | |
10543 | END_STRING_AND_SAVE (disp_end); | |
10544 | ||
10545 | #ifndef GCC_ASM_O_HACK | |
10546 | #define GCC_ASM_O_HACK 0 | |
10547 | #endif | |
10548 | #if GCC_ASM_O_HACK | |
10549 | END_STRING_AND_SAVE (disp_end + 1); | |
40fb9820 | 10550 | if (i.types[this_operand].bitfield.baseIndex |
24eab124 | 10551 | && displacement_string_end[-1] == '+') |
252b5132 RH |
10552 | { |
10553 | /* This hack is to avoid a warning when using the "o" | |
24eab124 AM |
10554 | constraint within gcc asm statements. |
10555 | For instance: | |
10556 | ||
10557 | #define _set_tssldt_desc(n,addr,limit,type) \ | |
10558 | __asm__ __volatile__ ( \ | |
10559 | "movw %w2,%0\n\t" \ | |
10560 | "movw %w1,2+%0\n\t" \ | |
10561 | "rorl $16,%1\n\t" \ | |
10562 | "movb %b1,4+%0\n\t" \ | |
10563 | "movb %4,5+%0\n\t" \ | |
10564 | "movb $0,6+%0\n\t" \ | |
10565 | "movb %h1,7+%0\n\t" \ | |
10566 | "rorl $16,%1" \ | |
10567 | : "=o"(*(n)) : "q" (addr), "ri"(limit), "i"(type)) | |
10568 | ||
10569 | This works great except that the output assembler ends | |
10570 | up looking a bit weird if it turns out that there is | |
10571 | no offset. You end up producing code that looks like: | |
10572 | ||
10573 | #APP | |
10574 | movw $235,(%eax) | |
10575 | movw %dx,2+(%eax) | |
10576 | rorl $16,%edx | |
10577 | movb %dl,4+(%eax) | |
10578 | movb $137,5+(%eax) | |
10579 | movb $0,6+(%eax) | |
10580 | movb %dh,7+(%eax) | |
10581 | rorl $16,%edx | |
10582 | #NO_APP | |
10583 | ||
47926f60 | 10584 | So here we provide the missing zero. */ |
24eab124 AM |
10585 | |
10586 | *displacement_string_end = '0'; | |
252b5132 RH |
10587 | } |
10588 | #endif | |
d258b828 | 10589 | gotfree_input_line = lex_got (&i.reloc[this_operand], NULL, &types); |
f3c180ae AM |
10590 | if (gotfree_input_line) |
10591 | input_line_pointer = gotfree_input_line; | |
252b5132 | 10592 | |
24eab124 | 10593 | exp_seg = expression (exp); |
252b5132 | 10594 | |
636c26b0 AM |
10595 | SKIP_WHITESPACE (); |
10596 | if (*input_line_pointer) | |
10597 | as_bad (_("junk `%s' after expression"), input_line_pointer); | |
10598 | #if GCC_ASM_O_HACK | |
10599 | RESTORE_END_STRING (disp_end + 1); | |
10600 | #endif | |
636c26b0 | 10601 | input_line_pointer = save_input_line_pointer; |
636c26b0 | 10602 | if (gotfree_input_line) |
ee86248c JB |
10603 | { |
10604 | free (gotfree_input_line); | |
10605 | ||
10606 | if (exp->X_op == O_constant || exp->X_op == O_register) | |
10607 | exp->X_op = O_illegal; | |
10608 | } | |
10609 | ||
10610 | ret = i386_finalize_displacement (exp_seg, exp, types, disp_start); | |
10611 | ||
10612 | RESTORE_END_STRING (disp_end); | |
10613 | ||
10614 | return ret; | |
10615 | } | |
10616 | ||
10617 | static int | |
10618 | i386_finalize_displacement (segT exp_seg ATTRIBUTE_UNUSED, expressionS *exp, | |
10619 | i386_operand_type types, const char *disp_start) | |
10620 | { | |
10621 | i386_operand_type bigdisp; | |
10622 | int ret = 1; | |
636c26b0 | 10623 | |
24eab124 AM |
10624 | /* We do this to make sure that the section symbol is in |
10625 | the symbol table. We will ultimately change the relocation | |
47926f60 | 10626 | to be relative to the beginning of the section. */ |
1ae12ab7 | 10627 | if (i.reloc[this_operand] == BFD_RELOC_386_GOTOFF |
d6ab8113 JB |
10628 | || i.reloc[this_operand] == BFD_RELOC_X86_64_GOTPCREL |
10629 | || i.reloc[this_operand] == BFD_RELOC_X86_64_GOTOFF64) | |
24eab124 | 10630 | { |
636c26b0 | 10631 | if (exp->X_op != O_symbol) |
3992d3b7 | 10632 | goto inv_disp; |
636c26b0 | 10633 | |
e5cb08ac | 10634 | if (S_IS_LOCAL (exp->X_add_symbol) |
c64efb4b L |
10635 | && S_GET_SEGMENT (exp->X_add_symbol) != undefined_section |
10636 | && S_GET_SEGMENT (exp->X_add_symbol) != expr_section) | |
24eab124 | 10637 | section_symbol (S_GET_SEGMENT (exp->X_add_symbol)); |
24eab124 AM |
10638 | exp->X_op = O_subtract; |
10639 | exp->X_op_symbol = GOT_symbol; | |
1ae12ab7 | 10640 | if (i.reloc[this_operand] == BFD_RELOC_X86_64_GOTPCREL) |
29b0f896 | 10641 | i.reloc[this_operand] = BFD_RELOC_32_PCREL; |
d6ab8113 JB |
10642 | else if (i.reloc[this_operand] == BFD_RELOC_X86_64_GOTOFF64) |
10643 | i.reloc[this_operand] = BFD_RELOC_64; | |
23df1078 | 10644 | else |
29b0f896 | 10645 | i.reloc[this_operand] = BFD_RELOC_32; |
24eab124 | 10646 | } |
252b5132 | 10647 | |
3992d3b7 AM |
10648 | else if (exp->X_op == O_absent |
10649 | || exp->X_op == O_illegal | |
ee86248c | 10650 | || exp->X_op == O_big) |
2daf4fd8 | 10651 | { |
3992d3b7 AM |
10652 | inv_disp: |
10653 | as_bad (_("missing or invalid displacement expression `%s'"), | |
2daf4fd8 | 10654 | disp_start); |
3992d3b7 | 10655 | ret = 0; |
2daf4fd8 AM |
10656 | } |
10657 | ||
0e1147d9 L |
10658 | else if (flag_code == CODE_64BIT |
10659 | && !i.prefix[ADDR_PREFIX] | |
10660 | && exp->X_op == O_constant) | |
10661 | { | |
10662 | /* Since displacement is signed extended to 64bit, don't allow | |
10663 | disp32 and turn off disp32s if they are out of range. */ | |
10664 | i.types[this_operand].bitfield.disp32 = 0; | |
10665 | if (!fits_in_signed_long (exp->X_add_number)) | |
10666 | { | |
10667 | i.types[this_operand].bitfield.disp32s = 0; | |
10668 | if (i.types[this_operand].bitfield.baseindex) | |
10669 | { | |
10670 | as_bad (_("0x%lx out range of signed 32bit displacement"), | |
10671 | (long) exp->X_add_number); | |
10672 | ret = 0; | |
10673 | } | |
10674 | } | |
10675 | } | |
10676 | ||
4c63da97 | 10677 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
3992d3b7 AM |
10678 | else if (exp->X_op != O_constant |
10679 | && OUTPUT_FLAVOR == bfd_target_aout_flavour | |
10680 | && exp_seg != absolute_section | |
10681 | && exp_seg != text_section | |
10682 | && exp_seg != data_section | |
10683 | && exp_seg != bss_section | |
10684 | && exp_seg != undefined_section | |
10685 | && !bfd_is_com_section (exp_seg)) | |
24eab124 | 10686 | { |
d0b47220 | 10687 | as_bad (_("unimplemented segment %s in operand"), exp_seg->name); |
3992d3b7 | 10688 | ret = 0; |
24eab124 | 10689 | } |
252b5132 | 10690 | #endif |
3956db08 | 10691 | |
48bcea9f JB |
10692 | if (current_templates->start->opcode_modifier.jump == JUMP_BYTE |
10693 | /* Constants get taken care of by optimize_disp(). */ | |
10694 | && exp->X_op != O_constant) | |
10695 | i.types[this_operand].bitfield.disp8 = 1; | |
10696 | ||
40fb9820 L |
10697 | /* Check if this is a displacement only operand. */ |
10698 | bigdisp = i.types[this_operand]; | |
10699 | bigdisp.bitfield.disp8 = 0; | |
10700 | bigdisp.bitfield.disp16 = 0; | |
10701 | bigdisp.bitfield.disp32 = 0; | |
10702 | bigdisp.bitfield.disp32s = 0; | |
10703 | bigdisp.bitfield.disp64 = 0; | |
0dfbf9d7 | 10704 | if (operand_type_all_zero (&bigdisp)) |
c6fb90c8 L |
10705 | i.types[this_operand] = operand_type_and (i.types[this_operand], |
10706 | types); | |
3956db08 | 10707 | |
3992d3b7 | 10708 | return ret; |
252b5132 RH |
10709 | } |
10710 | ||
2abc2bec JB |
10711 | /* Return the active addressing mode, taking address override and |
10712 | registers forming the address into consideration. Update the | |
10713 | address override prefix if necessary. */ | |
47926f60 | 10714 | |
2abc2bec JB |
10715 | static enum flag_code |
10716 | i386_addressing_mode (void) | |
252b5132 | 10717 | { |
be05d201 L |
10718 | enum flag_code addr_mode; |
10719 | ||
10720 | if (i.prefix[ADDR_PREFIX]) | |
10721 | addr_mode = flag_code == CODE_32BIT ? CODE_16BIT : CODE_32BIT; | |
a23b33b3 JB |
10722 | else if (flag_code == CODE_16BIT |
10723 | && current_templates->start->cpu_flags.bitfield.cpumpx | |
10724 | /* Avoid replacing the "16-bit addressing not allowed" diagnostic | |
10725 | from md_assemble() by "is not a valid base/index expression" | |
10726 | when there is a base and/or index. */ | |
10727 | && !i.types[this_operand].bitfield.baseindex) | |
10728 | { | |
10729 | /* MPX insn memory operands with neither base nor index must be forced | |
10730 | to use 32-bit addressing in 16-bit mode. */ | |
10731 | addr_mode = CODE_32BIT; | |
10732 | i.prefix[ADDR_PREFIX] = ADDR_PREFIX_OPCODE; | |
10733 | ++i.prefixes; | |
10734 | gas_assert (!i.types[this_operand].bitfield.disp16); | |
10735 | gas_assert (!i.types[this_operand].bitfield.disp32); | |
10736 | } | |
be05d201 L |
10737 | else |
10738 | { | |
10739 | addr_mode = flag_code; | |
10740 | ||
24eab124 | 10741 | #if INFER_ADDR_PREFIX |
be05d201 L |
10742 | if (i.mem_operands == 0) |
10743 | { | |
10744 | /* Infer address prefix from the first memory operand. */ | |
10745 | const reg_entry *addr_reg = i.base_reg; | |
10746 | ||
10747 | if (addr_reg == NULL) | |
10748 | addr_reg = i.index_reg; | |
eecb386c | 10749 | |
be05d201 L |
10750 | if (addr_reg) |
10751 | { | |
e968fc9b | 10752 | if (addr_reg->reg_type.bitfield.dword) |
be05d201 L |
10753 | addr_mode = CODE_32BIT; |
10754 | else if (flag_code != CODE_64BIT | |
dc821c5f | 10755 | && addr_reg->reg_type.bitfield.word) |
be05d201 L |
10756 | addr_mode = CODE_16BIT; |
10757 | ||
10758 | if (addr_mode != flag_code) | |
10759 | { | |
10760 | i.prefix[ADDR_PREFIX] = ADDR_PREFIX_OPCODE; | |
10761 | i.prefixes += 1; | |
10762 | /* Change the size of any displacement too. At most one | |
10763 | of Disp16 or Disp32 is set. | |
10764 | FIXME. There doesn't seem to be any real need for | |
10765 | separate Disp16 and Disp32 flags. The same goes for | |
10766 | Imm16 and Imm32. Removing them would probably clean | |
10767 | up the code quite a lot. */ | |
10768 | if (flag_code != CODE_64BIT | |
10769 | && (i.types[this_operand].bitfield.disp16 | |
10770 | || i.types[this_operand].bitfield.disp32)) | |
10771 | i.types[this_operand] | |
10772 | = operand_type_xor (i.types[this_operand], disp16_32); | |
10773 | } | |
10774 | } | |
10775 | } | |
24eab124 | 10776 | #endif |
be05d201 L |
10777 | } |
10778 | ||
2abc2bec JB |
10779 | return addr_mode; |
10780 | } | |
10781 | ||
10782 | /* Make sure the memory operand we've been dealt is valid. | |
10783 | Return 1 on success, 0 on a failure. */ | |
10784 | ||
10785 | static int | |
10786 | i386_index_check (const char *operand_string) | |
10787 | { | |
10788 | const char *kind = "base/index"; | |
10789 | enum flag_code addr_mode = i386_addressing_mode (); | |
10790 | ||
fc0763e6 | 10791 | if (current_templates->start->opcode_modifier.isstring |
c3949f43 | 10792 | && !current_templates->start->cpu_flags.bitfield.cpupadlock |
fc0763e6 JB |
10793 | && (current_templates->end[-1].opcode_modifier.isstring |
10794 | || i.mem_operands)) | |
10795 | { | |
10796 | /* Memory operands of string insns are special in that they only allow | |
10797 | a single register (rDI, rSI, or rBX) as their memory address. */ | |
be05d201 L |
10798 | const reg_entry *expected_reg; |
10799 | static const char *di_si[][2] = | |
10800 | { | |
10801 | { "esi", "edi" }, | |
10802 | { "si", "di" }, | |
10803 | { "rsi", "rdi" } | |
10804 | }; | |
10805 | static const char *bx[] = { "ebx", "bx", "rbx" }; | |
fc0763e6 JB |
10806 | |
10807 | kind = "string address"; | |
10808 | ||
8325cc63 | 10809 | if (current_templates->start->opcode_modifier.repprefixok) |
fc0763e6 | 10810 | { |
51c8edf6 JB |
10811 | int es_op = current_templates->end[-1].opcode_modifier.isstring |
10812 | - IS_STRING_ES_OP0; | |
10813 | int op = 0; | |
fc0763e6 | 10814 | |
51c8edf6 | 10815 | if (!current_templates->end[-1].operand_types[0].bitfield.baseindex |
fc0763e6 JB |
10816 | || ((!i.mem_operands != !intel_syntax) |
10817 | && current_templates->end[-1].operand_types[1] | |
10818 | .bitfield.baseindex)) | |
51c8edf6 JB |
10819 | op = 1; |
10820 | expected_reg = hash_find (reg_hash, di_si[addr_mode][op == es_op]); | |
fc0763e6 JB |
10821 | } |
10822 | else | |
be05d201 | 10823 | expected_reg = hash_find (reg_hash, bx[addr_mode]); |
fc0763e6 | 10824 | |
be05d201 L |
10825 | if (i.base_reg != expected_reg |
10826 | || i.index_reg | |
fc0763e6 | 10827 | || operand_type_check (i.types[this_operand], disp)) |
fc0763e6 | 10828 | { |
be05d201 L |
10829 | /* The second memory operand must have the same size as |
10830 | the first one. */ | |
10831 | if (i.mem_operands | |
10832 | && i.base_reg | |
10833 | && !((addr_mode == CODE_64BIT | |
dc821c5f | 10834 | && i.base_reg->reg_type.bitfield.qword) |
be05d201 | 10835 | || (addr_mode == CODE_32BIT |
dc821c5f JB |
10836 | ? i.base_reg->reg_type.bitfield.dword |
10837 | : i.base_reg->reg_type.bitfield.word))) | |
be05d201 L |
10838 | goto bad_address; |
10839 | ||
fc0763e6 JB |
10840 | as_warn (_("`%s' is not valid here (expected `%c%s%s%c')"), |
10841 | operand_string, | |
10842 | intel_syntax ? '[' : '(', | |
10843 | register_prefix, | |
be05d201 | 10844 | expected_reg->reg_name, |
fc0763e6 | 10845 | intel_syntax ? ']' : ')'); |
be05d201 | 10846 | return 1; |
fc0763e6 | 10847 | } |
be05d201 L |
10848 | else |
10849 | return 1; | |
10850 | ||
dc1e8a47 | 10851 | bad_address: |
be05d201 L |
10852 | as_bad (_("`%s' is not a valid %s expression"), |
10853 | operand_string, kind); | |
10854 | return 0; | |
3e73aa7c JH |
10855 | } |
10856 | else | |
10857 | { | |
be05d201 L |
10858 | if (addr_mode != CODE_16BIT) |
10859 | { | |
10860 | /* 32-bit/64-bit checks. */ | |
10861 | if ((i.base_reg | |
e968fc9b JB |
10862 | && ((addr_mode == CODE_64BIT |
10863 | ? !i.base_reg->reg_type.bitfield.qword | |
10864 | : !i.base_reg->reg_type.bitfield.dword) | |
10865 | || (i.index_reg && i.base_reg->reg_num == RegIP) | |
10866 | || i.base_reg->reg_num == RegIZ)) | |
be05d201 | 10867 | || (i.index_reg |
1b54b8d7 JB |
10868 | && !i.index_reg->reg_type.bitfield.xmmword |
10869 | && !i.index_reg->reg_type.bitfield.ymmword | |
10870 | && !i.index_reg->reg_type.bitfield.zmmword | |
be05d201 | 10871 | && ((addr_mode == CODE_64BIT |
e968fc9b JB |
10872 | ? !i.index_reg->reg_type.bitfield.qword |
10873 | : !i.index_reg->reg_type.bitfield.dword) | |
be05d201 L |
10874 | || !i.index_reg->reg_type.bitfield.baseindex))) |
10875 | goto bad_address; | |
8178be5b JB |
10876 | |
10877 | /* bndmk, bndldx, and bndstx have special restrictions. */ | |
10878 | if (current_templates->start->base_opcode == 0xf30f1b | |
10879 | || (current_templates->start->base_opcode & ~1) == 0x0f1a) | |
10880 | { | |
10881 | /* They cannot use RIP-relative addressing. */ | |
e968fc9b | 10882 | if (i.base_reg && i.base_reg->reg_num == RegIP) |
8178be5b JB |
10883 | { |
10884 | as_bad (_("`%s' cannot be used here"), operand_string); | |
10885 | return 0; | |
10886 | } | |
10887 | ||
10888 | /* bndldx and bndstx ignore their scale factor. */ | |
10889 | if (current_templates->start->base_opcode != 0xf30f1b | |
10890 | && i.log2_scale_factor) | |
10891 | as_warn (_("register scaling is being ignored here")); | |
10892 | } | |
be05d201 L |
10893 | } |
10894 | else | |
3e73aa7c | 10895 | { |
be05d201 | 10896 | /* 16-bit checks. */ |
3e73aa7c | 10897 | if ((i.base_reg |
dc821c5f | 10898 | && (!i.base_reg->reg_type.bitfield.word |
40fb9820 | 10899 | || !i.base_reg->reg_type.bitfield.baseindex)) |
3e73aa7c | 10900 | || (i.index_reg |
dc821c5f | 10901 | && (!i.index_reg->reg_type.bitfield.word |
40fb9820 | 10902 | || !i.index_reg->reg_type.bitfield.baseindex |
29b0f896 AM |
10903 | || !(i.base_reg |
10904 | && i.base_reg->reg_num < 6 | |
10905 | && i.index_reg->reg_num >= 6 | |
10906 | && i.log2_scale_factor == 0)))) | |
be05d201 | 10907 | goto bad_address; |
3e73aa7c JH |
10908 | } |
10909 | } | |
be05d201 | 10910 | return 1; |
24eab124 | 10911 | } |
252b5132 | 10912 | |
43234a1e L |
10913 | /* Handle vector immediates. */ |
10914 | ||
10915 | static int | |
10916 | RC_SAE_immediate (const char *imm_start) | |
10917 | { | |
10918 | unsigned int match_found, j; | |
10919 | const char *pstr = imm_start; | |
10920 | expressionS *exp; | |
10921 | ||
10922 | if (*pstr != '{') | |
10923 | return 0; | |
10924 | ||
10925 | pstr++; | |
10926 | match_found = 0; | |
10927 | for (j = 0; j < ARRAY_SIZE (RC_NamesTable); j++) | |
10928 | { | |
10929 | if (!strncmp (pstr, RC_NamesTable[j].name, RC_NamesTable[j].len)) | |
10930 | { | |
10931 | if (!i.rounding) | |
10932 | { | |
10933 | rc_op.type = RC_NamesTable[j].type; | |
10934 | rc_op.operand = this_operand; | |
10935 | i.rounding = &rc_op; | |
10936 | } | |
10937 | else | |
10938 | { | |
10939 | as_bad (_("duplicated `%s'"), imm_start); | |
10940 | return 0; | |
10941 | } | |
10942 | pstr += RC_NamesTable[j].len; | |
10943 | match_found = 1; | |
10944 | break; | |
10945 | } | |
10946 | } | |
10947 | if (!match_found) | |
10948 | return 0; | |
10949 | ||
10950 | if (*pstr++ != '}') | |
10951 | { | |
10952 | as_bad (_("Missing '}': '%s'"), imm_start); | |
10953 | return 0; | |
10954 | } | |
10955 | /* RC/SAE immediate string should contain nothing more. */; | |
10956 | if (*pstr != 0) | |
10957 | { | |
10958 | as_bad (_("Junk after '}': '%s'"), imm_start); | |
10959 | return 0; | |
10960 | } | |
10961 | ||
10962 | exp = &im_expressions[i.imm_operands++]; | |
10963 | i.op[this_operand].imms = exp; | |
10964 | ||
10965 | exp->X_op = O_constant; | |
10966 | exp->X_add_number = 0; | |
10967 | exp->X_add_symbol = (symbolS *) 0; | |
10968 | exp->X_op_symbol = (symbolS *) 0; | |
10969 | ||
10970 | i.types[this_operand].bitfield.imm8 = 1; | |
10971 | return 1; | |
10972 | } | |
10973 | ||
8325cc63 JB |
10974 | /* Only string instructions can have a second memory operand, so |
10975 | reduce current_templates to just those if it contains any. */ | |
10976 | static int | |
10977 | maybe_adjust_templates (void) | |
10978 | { | |
10979 | const insn_template *t; | |
10980 | ||
10981 | gas_assert (i.mem_operands == 1); | |
10982 | ||
10983 | for (t = current_templates->start; t < current_templates->end; ++t) | |
10984 | if (t->opcode_modifier.isstring) | |
10985 | break; | |
10986 | ||
10987 | if (t < current_templates->end) | |
10988 | { | |
10989 | static templates aux_templates; | |
10990 | bfd_boolean recheck; | |
10991 | ||
10992 | aux_templates.start = t; | |
10993 | for (; t < current_templates->end; ++t) | |
10994 | if (!t->opcode_modifier.isstring) | |
10995 | break; | |
10996 | aux_templates.end = t; | |
10997 | ||
10998 | /* Determine whether to re-check the first memory operand. */ | |
10999 | recheck = (aux_templates.start != current_templates->start | |
11000 | || t != current_templates->end); | |
11001 | ||
11002 | current_templates = &aux_templates; | |
11003 | ||
11004 | if (recheck) | |
11005 | { | |
11006 | i.mem_operands = 0; | |
11007 | if (i.memop1_string != NULL | |
11008 | && i386_index_check (i.memop1_string) == 0) | |
11009 | return 0; | |
11010 | i.mem_operands = 1; | |
11011 | } | |
11012 | } | |
11013 | ||
11014 | return 1; | |
11015 | } | |
11016 | ||
fc0763e6 | 11017 | /* Parse OPERAND_STRING into the i386_insn structure I. Returns zero |
47926f60 | 11018 | on error. */ |
252b5132 | 11019 | |
252b5132 | 11020 | static int |
a7619375 | 11021 | i386_att_operand (char *operand_string) |
252b5132 | 11022 | { |
af6bdddf AM |
11023 | const reg_entry *r; |
11024 | char *end_op; | |
24eab124 | 11025 | char *op_string = operand_string; |
252b5132 | 11026 | |
24eab124 | 11027 | if (is_space_char (*op_string)) |
252b5132 RH |
11028 | ++op_string; |
11029 | ||
24eab124 | 11030 | /* We check for an absolute prefix (differentiating, |
47926f60 | 11031 | for example, 'jmp pc_relative_label' from 'jmp *absolute_label'. */ |
24eab124 AM |
11032 | if (*op_string == ABSOLUTE_PREFIX) |
11033 | { | |
11034 | ++op_string; | |
11035 | if (is_space_char (*op_string)) | |
11036 | ++op_string; | |
6f2f06be | 11037 | i.jumpabsolute = TRUE; |
24eab124 | 11038 | } |
252b5132 | 11039 | |
47926f60 | 11040 | /* Check if operand is a register. */ |
4d1bb795 | 11041 | if ((r = parse_register (op_string, &end_op)) != NULL) |
24eab124 | 11042 | { |
40fb9820 L |
11043 | i386_operand_type temp; |
11044 | ||
8a6fb3f9 JB |
11045 | if (r == &bad_reg) |
11046 | return 0; | |
11047 | ||
24eab124 AM |
11048 | /* Check for a segment override by searching for ':' after a |
11049 | segment register. */ | |
11050 | op_string = end_op; | |
11051 | if (is_space_char (*op_string)) | |
11052 | ++op_string; | |
00cee14f | 11053 | if (*op_string == ':' && r->reg_type.bitfield.class == SReg) |
24eab124 AM |
11054 | { |
11055 | switch (r->reg_num) | |
11056 | { | |
11057 | case 0: | |
11058 | i.seg[i.mem_operands] = &es; | |
11059 | break; | |
11060 | case 1: | |
11061 | i.seg[i.mem_operands] = &cs; | |
11062 | break; | |
11063 | case 2: | |
11064 | i.seg[i.mem_operands] = &ss; | |
11065 | break; | |
11066 | case 3: | |
11067 | i.seg[i.mem_operands] = &ds; | |
11068 | break; | |
11069 | case 4: | |
11070 | i.seg[i.mem_operands] = &fs; | |
11071 | break; | |
11072 | case 5: | |
11073 | i.seg[i.mem_operands] = &gs; | |
11074 | break; | |
11075 | } | |
252b5132 | 11076 | |
24eab124 | 11077 | /* Skip the ':' and whitespace. */ |
252b5132 RH |
11078 | ++op_string; |
11079 | if (is_space_char (*op_string)) | |
24eab124 | 11080 | ++op_string; |
252b5132 | 11081 | |
24eab124 AM |
11082 | if (!is_digit_char (*op_string) |
11083 | && !is_identifier_char (*op_string) | |
11084 | && *op_string != '(' | |
11085 | && *op_string != ABSOLUTE_PREFIX) | |
11086 | { | |
11087 | as_bad (_("bad memory operand `%s'"), op_string); | |
11088 | return 0; | |
11089 | } | |
47926f60 | 11090 | /* Handle case of %es:*foo. */ |
24eab124 AM |
11091 | if (*op_string == ABSOLUTE_PREFIX) |
11092 | { | |
11093 | ++op_string; | |
11094 | if (is_space_char (*op_string)) | |
11095 | ++op_string; | |
6f2f06be | 11096 | i.jumpabsolute = TRUE; |
24eab124 AM |
11097 | } |
11098 | goto do_memory_reference; | |
11099 | } | |
43234a1e L |
11100 | |
11101 | /* Handle vector operations. */ | |
11102 | if (*op_string == '{') | |
11103 | { | |
11104 | op_string = check_VecOperations (op_string, NULL); | |
11105 | if (op_string == NULL) | |
11106 | return 0; | |
11107 | } | |
11108 | ||
24eab124 AM |
11109 | if (*op_string) |
11110 | { | |
d0b47220 | 11111 | as_bad (_("junk `%s' after register"), op_string); |
24eab124 AM |
11112 | return 0; |
11113 | } | |
40fb9820 L |
11114 | temp = r->reg_type; |
11115 | temp.bitfield.baseindex = 0; | |
c6fb90c8 L |
11116 | i.types[this_operand] = operand_type_or (i.types[this_operand], |
11117 | temp); | |
7d5e4556 | 11118 | i.types[this_operand].bitfield.unspecified = 0; |
520dc8e8 | 11119 | i.op[this_operand].regs = r; |
24eab124 AM |
11120 | i.reg_operands++; |
11121 | } | |
af6bdddf AM |
11122 | else if (*op_string == REGISTER_PREFIX) |
11123 | { | |
11124 | as_bad (_("bad register name `%s'"), op_string); | |
11125 | return 0; | |
11126 | } | |
24eab124 | 11127 | else if (*op_string == IMMEDIATE_PREFIX) |
ce8a8b2f | 11128 | { |
24eab124 | 11129 | ++op_string; |
6f2f06be | 11130 | if (i.jumpabsolute) |
24eab124 | 11131 | { |
d0b47220 | 11132 | as_bad (_("immediate operand illegal with absolute jump")); |
24eab124 AM |
11133 | return 0; |
11134 | } | |
11135 | if (!i386_immediate (op_string)) | |
11136 | return 0; | |
11137 | } | |
43234a1e L |
11138 | else if (RC_SAE_immediate (operand_string)) |
11139 | { | |
11140 | /* If it is a RC or SAE immediate, do nothing. */ | |
11141 | ; | |
11142 | } | |
24eab124 AM |
11143 | else if (is_digit_char (*op_string) |
11144 | || is_identifier_char (*op_string) | |
d02603dc | 11145 | || *op_string == '"' |
e5cb08ac | 11146 | || *op_string == '(') |
24eab124 | 11147 | { |
47926f60 | 11148 | /* This is a memory reference of some sort. */ |
af6bdddf | 11149 | char *base_string; |
252b5132 | 11150 | |
47926f60 | 11151 | /* Start and end of displacement string expression (if found). */ |
eecb386c AM |
11152 | char *displacement_string_start; |
11153 | char *displacement_string_end; | |
43234a1e | 11154 | char *vop_start; |
252b5132 | 11155 | |
24eab124 | 11156 | do_memory_reference: |
8325cc63 JB |
11157 | if (i.mem_operands == 1 && !maybe_adjust_templates ()) |
11158 | return 0; | |
24eab124 | 11159 | if ((i.mem_operands == 1 |
40fb9820 | 11160 | && !current_templates->start->opcode_modifier.isstring) |
24eab124 AM |
11161 | || i.mem_operands == 2) |
11162 | { | |
11163 | as_bad (_("too many memory references for `%s'"), | |
11164 | current_templates->start->name); | |
11165 | return 0; | |
11166 | } | |
252b5132 | 11167 | |
24eab124 AM |
11168 | /* Check for base index form. We detect the base index form by |
11169 | looking for an ')' at the end of the operand, searching | |
11170 | for the '(' matching it, and finding a REGISTER_PREFIX or ',' | |
11171 | after the '('. */ | |
af6bdddf | 11172 | base_string = op_string + strlen (op_string); |
c3332e24 | 11173 | |
43234a1e L |
11174 | /* Handle vector operations. */ |
11175 | vop_start = strchr (op_string, '{'); | |
11176 | if (vop_start && vop_start < base_string) | |
11177 | { | |
11178 | if (check_VecOperations (vop_start, base_string) == NULL) | |
11179 | return 0; | |
11180 | base_string = vop_start; | |
11181 | } | |
11182 | ||
af6bdddf AM |
11183 | --base_string; |
11184 | if (is_space_char (*base_string)) | |
11185 | --base_string; | |
252b5132 | 11186 | |
47926f60 | 11187 | /* If we only have a displacement, set-up for it to be parsed later. */ |
af6bdddf AM |
11188 | displacement_string_start = op_string; |
11189 | displacement_string_end = base_string + 1; | |
252b5132 | 11190 | |
24eab124 AM |
11191 | if (*base_string == ')') |
11192 | { | |
af6bdddf | 11193 | char *temp_string; |
24eab124 AM |
11194 | unsigned int parens_balanced = 1; |
11195 | /* We've already checked that the number of left & right ()'s are | |
47926f60 | 11196 | equal, so this loop will not be infinite. */ |
24eab124 AM |
11197 | do |
11198 | { | |
11199 | base_string--; | |
11200 | if (*base_string == ')') | |
11201 | parens_balanced++; | |
11202 | if (*base_string == '(') | |
11203 | parens_balanced--; | |
11204 | } | |
11205 | while (parens_balanced); | |
c3332e24 | 11206 | |
af6bdddf | 11207 | temp_string = base_string; |
c3332e24 | 11208 | |
24eab124 | 11209 | /* Skip past '(' and whitespace. */ |
252b5132 RH |
11210 | ++base_string; |
11211 | if (is_space_char (*base_string)) | |
24eab124 | 11212 | ++base_string; |
252b5132 | 11213 | |
af6bdddf | 11214 | if (*base_string == ',' |
4eed87de AM |
11215 | || ((i.base_reg = parse_register (base_string, &end_op)) |
11216 | != NULL)) | |
252b5132 | 11217 | { |
af6bdddf | 11218 | displacement_string_end = temp_string; |
252b5132 | 11219 | |
40fb9820 | 11220 | i.types[this_operand].bitfield.baseindex = 1; |
252b5132 | 11221 | |
af6bdddf | 11222 | if (i.base_reg) |
24eab124 | 11223 | { |
8a6fb3f9 JB |
11224 | if (i.base_reg == &bad_reg) |
11225 | return 0; | |
24eab124 AM |
11226 | base_string = end_op; |
11227 | if (is_space_char (*base_string)) | |
11228 | ++base_string; | |
af6bdddf AM |
11229 | } |
11230 | ||
11231 | /* There may be an index reg or scale factor here. */ | |
11232 | if (*base_string == ',') | |
11233 | { | |
11234 | ++base_string; | |
11235 | if (is_space_char (*base_string)) | |
11236 | ++base_string; | |
11237 | ||
4eed87de AM |
11238 | if ((i.index_reg = parse_register (base_string, &end_op)) |
11239 | != NULL) | |
24eab124 | 11240 | { |
8a6fb3f9 JB |
11241 | if (i.index_reg == &bad_reg) |
11242 | return 0; | |
af6bdddf | 11243 | base_string = end_op; |
24eab124 AM |
11244 | if (is_space_char (*base_string)) |
11245 | ++base_string; | |
af6bdddf AM |
11246 | if (*base_string == ',') |
11247 | { | |
11248 | ++base_string; | |
11249 | if (is_space_char (*base_string)) | |
11250 | ++base_string; | |
11251 | } | |
e5cb08ac | 11252 | else if (*base_string != ')') |
af6bdddf | 11253 | { |
4eed87de AM |
11254 | as_bad (_("expecting `,' or `)' " |
11255 | "after index register in `%s'"), | |
af6bdddf AM |
11256 | operand_string); |
11257 | return 0; | |
11258 | } | |
24eab124 | 11259 | } |
af6bdddf | 11260 | else if (*base_string == REGISTER_PREFIX) |
24eab124 | 11261 | { |
f76bf5e0 L |
11262 | end_op = strchr (base_string, ','); |
11263 | if (end_op) | |
11264 | *end_op = '\0'; | |
af6bdddf | 11265 | as_bad (_("bad register name `%s'"), base_string); |
24eab124 AM |
11266 | return 0; |
11267 | } | |
252b5132 | 11268 | |
47926f60 | 11269 | /* Check for scale factor. */ |
551c1ca1 | 11270 | if (*base_string != ')') |
af6bdddf | 11271 | { |
551c1ca1 AM |
11272 | char *end_scale = i386_scale (base_string); |
11273 | ||
11274 | if (!end_scale) | |
af6bdddf | 11275 | return 0; |
24eab124 | 11276 | |
551c1ca1 | 11277 | base_string = end_scale; |
af6bdddf AM |
11278 | if (is_space_char (*base_string)) |
11279 | ++base_string; | |
11280 | if (*base_string != ')') | |
11281 | { | |
4eed87de AM |
11282 | as_bad (_("expecting `)' " |
11283 | "after scale factor in `%s'"), | |
af6bdddf AM |
11284 | operand_string); |
11285 | return 0; | |
11286 | } | |
11287 | } | |
11288 | else if (!i.index_reg) | |
24eab124 | 11289 | { |
4eed87de AM |
11290 | as_bad (_("expecting index register or scale factor " |
11291 | "after `,'; got '%c'"), | |
af6bdddf | 11292 | *base_string); |
24eab124 AM |
11293 | return 0; |
11294 | } | |
11295 | } | |
af6bdddf | 11296 | else if (*base_string != ')') |
24eab124 | 11297 | { |
4eed87de AM |
11298 | as_bad (_("expecting `,' or `)' " |
11299 | "after base register in `%s'"), | |
af6bdddf | 11300 | operand_string); |
24eab124 AM |
11301 | return 0; |
11302 | } | |
c3332e24 | 11303 | } |
af6bdddf | 11304 | else if (*base_string == REGISTER_PREFIX) |
c3332e24 | 11305 | { |
f76bf5e0 L |
11306 | end_op = strchr (base_string, ','); |
11307 | if (end_op) | |
11308 | *end_op = '\0'; | |
af6bdddf | 11309 | as_bad (_("bad register name `%s'"), base_string); |
24eab124 | 11310 | return 0; |
c3332e24 | 11311 | } |
24eab124 AM |
11312 | } |
11313 | ||
11314 | /* If there's an expression beginning the operand, parse it, | |
11315 | assuming displacement_string_start and | |
11316 | displacement_string_end are meaningful. */ | |
11317 | if (displacement_string_start != displacement_string_end) | |
11318 | { | |
11319 | if (!i386_displacement (displacement_string_start, | |
11320 | displacement_string_end)) | |
11321 | return 0; | |
11322 | } | |
11323 | ||
11324 | /* Special case for (%dx) while doing input/output op. */ | |
11325 | if (i.base_reg | |
75e5731b JB |
11326 | && i.base_reg->reg_type.bitfield.instance == RegD |
11327 | && i.base_reg->reg_type.bitfield.word | |
24eab124 AM |
11328 | && i.index_reg == 0 |
11329 | && i.log2_scale_factor == 0 | |
11330 | && i.seg[i.mem_operands] == 0 | |
40fb9820 | 11331 | && !operand_type_check (i.types[this_operand], disp)) |
24eab124 | 11332 | { |
2fb5be8d | 11333 | i.types[this_operand] = i.base_reg->reg_type; |
24eab124 AM |
11334 | return 1; |
11335 | } | |
11336 | ||
eecb386c AM |
11337 | if (i386_index_check (operand_string) == 0) |
11338 | return 0; | |
c48dadc9 | 11339 | i.flags[this_operand] |= Operand_Mem; |
8325cc63 JB |
11340 | if (i.mem_operands == 0) |
11341 | i.memop1_string = xstrdup (operand_string); | |
24eab124 AM |
11342 | i.mem_operands++; |
11343 | } | |
11344 | else | |
ce8a8b2f AM |
11345 | { |
11346 | /* It's not a memory operand; argh! */ | |
24eab124 AM |
11347 | as_bad (_("invalid char %s beginning operand %d `%s'"), |
11348 | output_invalid (*op_string), | |
11349 | this_operand + 1, | |
11350 | op_string); | |
11351 | return 0; | |
11352 | } | |
47926f60 | 11353 | return 1; /* Normal return. */ |
252b5132 RH |
11354 | } |
11355 | \f | |
fa94de6b RM |
11356 | /* Calculate the maximum variable size (i.e., excluding fr_fix) |
11357 | that an rs_machine_dependent frag may reach. */ | |
11358 | ||
11359 | unsigned int | |
11360 | i386_frag_max_var (fragS *frag) | |
11361 | { | |
11362 | /* The only relaxable frags are for jumps. | |
11363 | Unconditional jumps can grow by 4 bytes and others by 5 bytes. */ | |
11364 | gas_assert (frag->fr_type == rs_machine_dependent); | |
11365 | return TYPE_FROM_RELAX_STATE (frag->fr_subtype) == UNCOND_JUMP ? 4 : 5; | |
11366 | } | |
11367 | ||
b084df0b L |
11368 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
11369 | static int | |
8dcea932 | 11370 | elf_symbol_resolved_in_segment_p (symbolS *fr_symbol, offsetT fr_var) |
b084df0b L |
11371 | { |
11372 | /* STT_GNU_IFUNC symbol must go through PLT. */ | |
11373 | if ((symbol_get_bfdsym (fr_symbol)->flags | |
11374 | & BSF_GNU_INDIRECT_FUNCTION) != 0) | |
11375 | return 0; | |
11376 | ||
11377 | if (!S_IS_EXTERNAL (fr_symbol)) | |
11378 | /* Symbol may be weak or local. */ | |
11379 | return !S_IS_WEAK (fr_symbol); | |
11380 | ||
8dcea932 L |
11381 | /* Global symbols with non-default visibility can't be preempted. */ |
11382 | if (ELF_ST_VISIBILITY (S_GET_OTHER (fr_symbol)) != STV_DEFAULT) | |
11383 | return 1; | |
11384 | ||
11385 | if (fr_var != NO_RELOC) | |
11386 | switch ((enum bfd_reloc_code_real) fr_var) | |
11387 | { | |
11388 | case BFD_RELOC_386_PLT32: | |
11389 | case BFD_RELOC_X86_64_PLT32: | |
33eaf5de | 11390 | /* Symbol with PLT relocation may be preempted. */ |
8dcea932 L |
11391 | return 0; |
11392 | default: | |
11393 | abort (); | |
11394 | } | |
11395 | ||
b084df0b L |
11396 | /* Global symbols with default visibility in a shared library may be |
11397 | preempted by another definition. */ | |
8dcea932 | 11398 | return !shared; |
b084df0b L |
11399 | } |
11400 | #endif | |
11401 | ||
79d72f45 HL |
11402 | /* Table 3-2. Macro-Fusible Instructions in Haswell Microarchitecture |
11403 | Note also work for Skylake and Cascadelake. | |
11404 | --------------------------------------------------------------------- | |
11405 | | JCC | ADD/SUB/CMP | INC/DEC | TEST/AND | | |
11406 | | ------ | ----------- | ------- | -------- | | |
11407 | | Jo | N | N | Y | | |
11408 | | Jno | N | N | Y | | |
11409 | | Jc/Jb | Y | N | Y | | |
11410 | | Jae/Jnb | Y | N | Y | | |
11411 | | Je/Jz | Y | Y | Y | | |
11412 | | Jne/Jnz | Y | Y | Y | | |
11413 | | Jna/Jbe | Y | N | Y | | |
11414 | | Ja/Jnbe | Y | N | Y | | |
11415 | | Js | N | N | Y | | |
11416 | | Jns | N | N | Y | | |
11417 | | Jp/Jpe | N | N | Y | | |
11418 | | Jnp/Jpo | N | N | Y | | |
11419 | | Jl/Jnge | Y | Y | Y | | |
11420 | | Jge/Jnl | Y | Y | Y | | |
11421 | | Jle/Jng | Y | Y | Y | | |
11422 | | Jg/Jnle | Y | Y | Y | | |
11423 | --------------------------------------------------------------------- */ | |
11424 | static int | |
11425 | i386_macro_fusible_p (enum mf_cmp_kind mf_cmp, enum mf_jcc_kind mf_jcc) | |
11426 | { | |
11427 | if (mf_cmp == mf_cmp_alu_cmp) | |
11428 | return ((mf_jcc >= mf_jcc_jc && mf_jcc <= mf_jcc_jna) | |
11429 | || mf_jcc == mf_jcc_jl || mf_jcc == mf_jcc_jle); | |
11430 | if (mf_cmp == mf_cmp_incdec) | |
11431 | return (mf_jcc == mf_jcc_je || mf_jcc == mf_jcc_jl | |
11432 | || mf_jcc == mf_jcc_jle); | |
11433 | if (mf_cmp == mf_cmp_test_and) | |
11434 | return 1; | |
11435 | return 0; | |
11436 | } | |
11437 | ||
e379e5f3 L |
11438 | /* Return the next non-empty frag. */ |
11439 | ||
11440 | static fragS * | |
11441 | i386_next_non_empty_frag (fragS *fragP) | |
11442 | { | |
11443 | /* There may be a frag with a ".fill 0" when there is no room in | |
11444 | the current frag for frag_grow in output_insn. */ | |
11445 | for (fragP = fragP->fr_next; | |
11446 | (fragP != NULL | |
11447 | && fragP->fr_type == rs_fill | |
11448 | && fragP->fr_fix == 0); | |
11449 | fragP = fragP->fr_next) | |
11450 | ; | |
11451 | return fragP; | |
11452 | } | |
11453 | ||
11454 | /* Return the next jcc frag after BRANCH_PADDING. */ | |
11455 | ||
11456 | static fragS * | |
79d72f45 | 11457 | i386_next_fusible_jcc_frag (fragS *maybe_cmp_fragP, fragS *pad_fragP) |
e379e5f3 | 11458 | { |
79d72f45 HL |
11459 | fragS *branch_fragP; |
11460 | if (!pad_fragP) | |
e379e5f3 L |
11461 | return NULL; |
11462 | ||
79d72f45 HL |
11463 | if (pad_fragP->fr_type == rs_machine_dependent |
11464 | && (TYPE_FROM_RELAX_STATE (pad_fragP->fr_subtype) | |
e379e5f3 L |
11465 | == BRANCH_PADDING)) |
11466 | { | |
79d72f45 HL |
11467 | branch_fragP = i386_next_non_empty_frag (pad_fragP); |
11468 | if (branch_fragP->fr_type != rs_machine_dependent) | |
e379e5f3 | 11469 | return NULL; |
79d72f45 HL |
11470 | if (TYPE_FROM_RELAX_STATE (branch_fragP->fr_subtype) == COND_JUMP |
11471 | && i386_macro_fusible_p (maybe_cmp_fragP->tc_frag_data.mf_type, | |
11472 | pad_fragP->tc_frag_data.mf_type)) | |
11473 | return branch_fragP; | |
e379e5f3 L |
11474 | } |
11475 | ||
11476 | return NULL; | |
11477 | } | |
11478 | ||
11479 | /* Classify BRANCH_PADDING, BRANCH_PREFIX and FUSED_JCC_PADDING frags. */ | |
11480 | ||
11481 | static void | |
11482 | i386_classify_machine_dependent_frag (fragS *fragP) | |
11483 | { | |
11484 | fragS *cmp_fragP; | |
11485 | fragS *pad_fragP; | |
11486 | fragS *branch_fragP; | |
11487 | fragS *next_fragP; | |
11488 | unsigned int max_prefix_length; | |
11489 | ||
11490 | if (fragP->tc_frag_data.classified) | |
11491 | return; | |
11492 | ||
11493 | /* First scan for BRANCH_PADDING and FUSED_JCC_PADDING. Convert | |
11494 | FUSED_JCC_PADDING and merge BRANCH_PADDING. */ | |
11495 | for (next_fragP = fragP; | |
11496 | next_fragP != NULL; | |
11497 | next_fragP = next_fragP->fr_next) | |
11498 | { | |
11499 | next_fragP->tc_frag_data.classified = 1; | |
11500 | if (next_fragP->fr_type == rs_machine_dependent) | |
11501 | switch (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype)) | |
11502 | { | |
11503 | case BRANCH_PADDING: | |
11504 | /* The BRANCH_PADDING frag must be followed by a branch | |
11505 | frag. */ | |
11506 | branch_fragP = i386_next_non_empty_frag (next_fragP); | |
11507 | next_fragP->tc_frag_data.u.branch_fragP = branch_fragP; | |
11508 | break; | |
11509 | case FUSED_JCC_PADDING: | |
11510 | /* Check if this is a fused jcc: | |
11511 | FUSED_JCC_PADDING | |
11512 | CMP like instruction | |
11513 | BRANCH_PADDING | |
11514 | COND_JUMP | |
11515 | */ | |
11516 | cmp_fragP = i386_next_non_empty_frag (next_fragP); | |
11517 | pad_fragP = i386_next_non_empty_frag (cmp_fragP); | |
79d72f45 | 11518 | branch_fragP = i386_next_fusible_jcc_frag (next_fragP, pad_fragP); |
e379e5f3 L |
11519 | if (branch_fragP) |
11520 | { | |
11521 | /* The BRANCH_PADDING frag is merged with the | |
11522 | FUSED_JCC_PADDING frag. */ | |
11523 | next_fragP->tc_frag_data.u.branch_fragP = branch_fragP; | |
11524 | /* CMP like instruction size. */ | |
11525 | next_fragP->tc_frag_data.cmp_size = cmp_fragP->fr_fix; | |
11526 | frag_wane (pad_fragP); | |
11527 | /* Skip to branch_fragP. */ | |
11528 | next_fragP = branch_fragP; | |
11529 | } | |
11530 | else if (next_fragP->tc_frag_data.max_prefix_length) | |
11531 | { | |
11532 | /* Turn FUSED_JCC_PADDING into BRANCH_PREFIX if it isn't | |
11533 | a fused jcc. */ | |
11534 | next_fragP->fr_subtype | |
11535 | = ENCODE_RELAX_STATE (BRANCH_PREFIX, 0); | |
11536 | next_fragP->tc_frag_data.max_bytes | |
11537 | = next_fragP->tc_frag_data.max_prefix_length; | |
11538 | /* This will be updated in the BRANCH_PREFIX scan. */ | |
11539 | next_fragP->tc_frag_data.max_prefix_length = 0; | |
11540 | } | |
11541 | else | |
11542 | frag_wane (next_fragP); | |
11543 | break; | |
11544 | } | |
11545 | } | |
11546 | ||
11547 | /* Stop if there is no BRANCH_PREFIX. */ | |
11548 | if (!align_branch_prefix_size) | |
11549 | return; | |
11550 | ||
11551 | /* Scan for BRANCH_PREFIX. */ | |
11552 | for (; fragP != NULL; fragP = fragP->fr_next) | |
11553 | { | |
11554 | if (fragP->fr_type != rs_machine_dependent | |
11555 | || (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) | |
11556 | != BRANCH_PREFIX)) | |
11557 | continue; | |
11558 | ||
11559 | /* Count all BRANCH_PREFIX frags before BRANCH_PADDING and | |
11560 | COND_JUMP_PREFIX. */ | |
11561 | max_prefix_length = 0; | |
11562 | for (next_fragP = fragP; | |
11563 | next_fragP != NULL; | |
11564 | next_fragP = next_fragP->fr_next) | |
11565 | { | |
11566 | if (next_fragP->fr_type == rs_fill) | |
11567 | /* Skip rs_fill frags. */ | |
11568 | continue; | |
11569 | else if (next_fragP->fr_type != rs_machine_dependent) | |
11570 | /* Stop for all other frags. */ | |
11571 | break; | |
11572 | ||
11573 | /* rs_machine_dependent frags. */ | |
11574 | if (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11575 | == BRANCH_PREFIX) | |
11576 | { | |
11577 | /* Count BRANCH_PREFIX frags. */ | |
11578 | if (max_prefix_length >= MAX_FUSED_JCC_PADDING_SIZE) | |
11579 | { | |
11580 | max_prefix_length = MAX_FUSED_JCC_PADDING_SIZE; | |
11581 | frag_wane (next_fragP); | |
11582 | } | |
11583 | else | |
11584 | max_prefix_length | |
11585 | += next_fragP->tc_frag_data.max_bytes; | |
11586 | } | |
11587 | else if ((TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11588 | == BRANCH_PADDING) | |
11589 | || (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11590 | == FUSED_JCC_PADDING)) | |
11591 | { | |
11592 | /* Stop at BRANCH_PADDING and FUSED_JCC_PADDING. */ | |
11593 | fragP->tc_frag_data.u.padding_fragP = next_fragP; | |
11594 | break; | |
11595 | } | |
11596 | else | |
11597 | /* Stop for other rs_machine_dependent frags. */ | |
11598 | break; | |
11599 | } | |
11600 | ||
11601 | fragP->tc_frag_data.max_prefix_length = max_prefix_length; | |
11602 | ||
11603 | /* Skip to the next frag. */ | |
11604 | fragP = next_fragP; | |
11605 | } | |
11606 | } | |
11607 | ||
11608 | /* Compute padding size for | |
11609 | ||
11610 | FUSED_JCC_PADDING | |
11611 | CMP like instruction | |
11612 | BRANCH_PADDING | |
11613 | COND_JUMP/UNCOND_JUMP | |
11614 | ||
11615 | or | |
11616 | ||
11617 | BRANCH_PADDING | |
11618 | COND_JUMP/UNCOND_JUMP | |
11619 | */ | |
11620 | ||
11621 | static int | |
11622 | i386_branch_padding_size (fragS *fragP, offsetT address) | |
11623 | { | |
11624 | unsigned int offset, size, padding_size; | |
11625 | fragS *branch_fragP = fragP->tc_frag_data.u.branch_fragP; | |
11626 | ||
11627 | /* The start address of the BRANCH_PADDING or FUSED_JCC_PADDING frag. */ | |
11628 | if (!address) | |
11629 | address = fragP->fr_address; | |
11630 | address += fragP->fr_fix; | |
11631 | ||
11632 | /* CMP like instrunction size. */ | |
11633 | size = fragP->tc_frag_data.cmp_size; | |
11634 | ||
11635 | /* The base size of the branch frag. */ | |
11636 | size += branch_fragP->fr_fix; | |
11637 | ||
11638 | /* Add opcode and displacement bytes for the rs_machine_dependent | |
11639 | branch frag. */ | |
11640 | if (branch_fragP->fr_type == rs_machine_dependent) | |
11641 | size += md_relax_table[branch_fragP->fr_subtype].rlx_length; | |
11642 | ||
11643 | /* Check if branch is within boundary and doesn't end at the last | |
11644 | byte. */ | |
11645 | offset = address & ((1U << align_branch_power) - 1); | |
11646 | if ((offset + size) >= (1U << align_branch_power)) | |
11647 | /* Padding needed to avoid crossing boundary. */ | |
11648 | padding_size = (1U << align_branch_power) - offset; | |
11649 | else | |
11650 | /* No padding needed. */ | |
11651 | padding_size = 0; | |
11652 | ||
11653 | /* The return value may be saved in tc_frag_data.length which is | |
11654 | unsigned byte. */ | |
11655 | if (!fits_in_unsigned_byte (padding_size)) | |
11656 | abort (); | |
11657 | ||
11658 | return padding_size; | |
11659 | } | |
11660 | ||
11661 | /* i386_generic_table_relax_frag() | |
11662 | ||
11663 | Handle BRANCH_PADDING, BRANCH_PREFIX and FUSED_JCC_PADDING frags to | |
11664 | grow/shrink padding to align branch frags. Hand others to | |
11665 | relax_frag(). */ | |
11666 | ||
11667 | long | |
11668 | i386_generic_table_relax_frag (segT segment, fragS *fragP, long stretch) | |
11669 | { | |
11670 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING | |
11671 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING) | |
11672 | { | |
11673 | long padding_size = i386_branch_padding_size (fragP, 0); | |
11674 | long grow = padding_size - fragP->tc_frag_data.length; | |
11675 | ||
11676 | /* When the BRANCH_PREFIX frag is used, the computed address | |
11677 | must match the actual address and there should be no padding. */ | |
11678 | if (fragP->tc_frag_data.padding_address | |
11679 | && (fragP->tc_frag_data.padding_address != fragP->fr_address | |
11680 | || padding_size)) | |
11681 | abort (); | |
11682 | ||
11683 | /* Update the padding size. */ | |
11684 | if (grow) | |
11685 | fragP->tc_frag_data.length = padding_size; | |
11686 | ||
11687 | return grow; | |
11688 | } | |
11689 | else if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX) | |
11690 | { | |
11691 | fragS *padding_fragP, *next_fragP; | |
11692 | long padding_size, left_size, last_size; | |
11693 | ||
11694 | padding_fragP = fragP->tc_frag_data.u.padding_fragP; | |
11695 | if (!padding_fragP) | |
11696 | /* Use the padding set by the leading BRANCH_PREFIX frag. */ | |
11697 | return (fragP->tc_frag_data.length | |
11698 | - fragP->tc_frag_data.last_length); | |
11699 | ||
11700 | /* Compute the relative address of the padding frag in the very | |
11701 | first time where the BRANCH_PREFIX frag sizes are zero. */ | |
11702 | if (!fragP->tc_frag_data.padding_address) | |
11703 | fragP->tc_frag_data.padding_address | |
11704 | = padding_fragP->fr_address - (fragP->fr_address - stretch); | |
11705 | ||
11706 | /* First update the last length from the previous interation. */ | |
11707 | left_size = fragP->tc_frag_data.prefix_length; | |
11708 | for (next_fragP = fragP; | |
11709 | next_fragP != padding_fragP; | |
11710 | next_fragP = next_fragP->fr_next) | |
11711 | if (next_fragP->fr_type == rs_machine_dependent | |
11712 | && (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11713 | == BRANCH_PREFIX)) | |
11714 | { | |
11715 | if (left_size) | |
11716 | { | |
11717 | int max = next_fragP->tc_frag_data.max_bytes; | |
11718 | if (max) | |
11719 | { | |
11720 | int size; | |
11721 | if (max > left_size) | |
11722 | size = left_size; | |
11723 | else | |
11724 | size = max; | |
11725 | left_size -= size; | |
11726 | next_fragP->tc_frag_data.last_length = size; | |
11727 | } | |
11728 | } | |
11729 | else | |
11730 | next_fragP->tc_frag_data.last_length = 0; | |
11731 | } | |
11732 | ||
11733 | /* Check the padding size for the padding frag. */ | |
11734 | padding_size = i386_branch_padding_size | |
11735 | (padding_fragP, (fragP->fr_address | |
11736 | + fragP->tc_frag_data.padding_address)); | |
11737 | ||
11738 | last_size = fragP->tc_frag_data.prefix_length; | |
11739 | /* Check if there is change from the last interation. */ | |
11740 | if (padding_size == last_size) | |
11741 | { | |
11742 | /* Update the expected address of the padding frag. */ | |
11743 | padding_fragP->tc_frag_data.padding_address | |
11744 | = (fragP->fr_address + padding_size | |
11745 | + fragP->tc_frag_data.padding_address); | |
11746 | return 0; | |
11747 | } | |
11748 | ||
11749 | if (padding_size > fragP->tc_frag_data.max_prefix_length) | |
11750 | { | |
11751 | /* No padding if there is no sufficient room. Clear the | |
11752 | expected address of the padding frag. */ | |
11753 | padding_fragP->tc_frag_data.padding_address = 0; | |
11754 | padding_size = 0; | |
11755 | } | |
11756 | else | |
11757 | /* Store the expected address of the padding frag. */ | |
11758 | padding_fragP->tc_frag_data.padding_address | |
11759 | = (fragP->fr_address + padding_size | |
11760 | + fragP->tc_frag_data.padding_address); | |
11761 | ||
11762 | fragP->tc_frag_data.prefix_length = padding_size; | |
11763 | ||
11764 | /* Update the length for the current interation. */ | |
11765 | left_size = padding_size; | |
11766 | for (next_fragP = fragP; | |
11767 | next_fragP != padding_fragP; | |
11768 | next_fragP = next_fragP->fr_next) | |
11769 | if (next_fragP->fr_type == rs_machine_dependent | |
11770 | && (TYPE_FROM_RELAX_STATE (next_fragP->fr_subtype) | |
11771 | == BRANCH_PREFIX)) | |
11772 | { | |
11773 | if (left_size) | |
11774 | { | |
11775 | int max = next_fragP->tc_frag_data.max_bytes; | |
11776 | if (max) | |
11777 | { | |
11778 | int size; | |
11779 | if (max > left_size) | |
11780 | size = left_size; | |
11781 | else | |
11782 | size = max; | |
11783 | left_size -= size; | |
11784 | next_fragP->tc_frag_data.length = size; | |
11785 | } | |
11786 | } | |
11787 | else | |
11788 | next_fragP->tc_frag_data.length = 0; | |
11789 | } | |
11790 | ||
11791 | return (fragP->tc_frag_data.length | |
11792 | - fragP->tc_frag_data.last_length); | |
11793 | } | |
11794 | return relax_frag (segment, fragP, stretch); | |
11795 | } | |
11796 | ||
ee7fcc42 AM |
11797 | /* md_estimate_size_before_relax() |
11798 | ||
11799 | Called just before relax() for rs_machine_dependent frags. The x86 | |
11800 | assembler uses these frags to handle variable size jump | |
11801 | instructions. | |
11802 | ||
11803 | Any symbol that is now undefined will not become defined. | |
11804 | Return the correct fr_subtype in the frag. | |
11805 | Return the initial "guess for variable size of frag" to caller. | |
11806 | The guess is actually the growth beyond the fixed part. Whatever | |
11807 | we do to grow the fixed or variable part contributes to our | |
11808 | returned value. */ | |
11809 | ||
252b5132 | 11810 | int |
7016a5d5 | 11811 | md_estimate_size_before_relax (fragS *fragP, segT segment) |
252b5132 | 11812 | { |
e379e5f3 L |
11813 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING |
11814 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX | |
11815 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING) | |
11816 | { | |
11817 | i386_classify_machine_dependent_frag (fragP); | |
11818 | return fragP->tc_frag_data.length; | |
11819 | } | |
11820 | ||
252b5132 | 11821 | /* We've already got fragP->fr_subtype right; all we have to do is |
b98ef147 AM |
11822 | check for un-relaxable symbols. On an ELF system, we can't relax |
11823 | an externally visible symbol, because it may be overridden by a | |
11824 | shared library. */ | |
11825 | if (S_GET_SEGMENT (fragP->fr_symbol) != segment | |
6d249963 | 11826 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
718ddfc0 | 11827 | || (IS_ELF |
8dcea932 L |
11828 | && !elf_symbol_resolved_in_segment_p (fragP->fr_symbol, |
11829 | fragP->fr_var)) | |
fbeb56a4 DK |
11830 | #endif |
11831 | #if defined (OBJ_COFF) && defined (TE_PE) | |
7ab9ffdd | 11832 | || (OUTPUT_FLAVOR == bfd_target_coff_flavour |
fbeb56a4 | 11833 | && S_IS_WEAK (fragP->fr_symbol)) |
b98ef147 AM |
11834 | #endif |
11835 | ) | |
252b5132 | 11836 | { |
b98ef147 AM |
11837 | /* Symbol is undefined in this segment, or we need to keep a |
11838 | reloc so that weak symbols can be overridden. */ | |
11839 | int size = (fragP->fr_subtype & CODE16) ? 2 : 4; | |
f86103b7 | 11840 | enum bfd_reloc_code_real reloc_type; |
ee7fcc42 AM |
11841 | unsigned char *opcode; |
11842 | int old_fr_fix; | |
f6af82bd | 11843 | |
ee7fcc42 | 11844 | if (fragP->fr_var != NO_RELOC) |
1e9cc1c2 | 11845 | reloc_type = (enum bfd_reloc_code_real) fragP->fr_var; |
b98ef147 | 11846 | else if (size == 2) |
f6af82bd | 11847 | reloc_type = BFD_RELOC_16_PCREL; |
bd7ab16b L |
11848 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
11849 | else if (need_plt32_p (fragP->fr_symbol)) | |
11850 | reloc_type = BFD_RELOC_X86_64_PLT32; | |
11851 | #endif | |
f6af82bd AM |
11852 | else |
11853 | reloc_type = BFD_RELOC_32_PCREL; | |
252b5132 | 11854 | |
ee7fcc42 AM |
11855 | old_fr_fix = fragP->fr_fix; |
11856 | opcode = (unsigned char *) fragP->fr_opcode; | |
11857 | ||
fddf5b5b | 11858 | switch (TYPE_FROM_RELAX_STATE (fragP->fr_subtype)) |
252b5132 | 11859 | { |
fddf5b5b AM |
11860 | case UNCOND_JUMP: |
11861 | /* Make jmp (0xeb) a (d)word displacement jump. */ | |
47926f60 | 11862 | opcode[0] = 0xe9; |
252b5132 | 11863 | fragP->fr_fix += size; |
062cd5e7 AS |
11864 | fix_new (fragP, old_fr_fix, size, |
11865 | fragP->fr_symbol, | |
11866 | fragP->fr_offset, 1, | |
11867 | reloc_type); | |
252b5132 RH |
11868 | break; |
11869 | ||
fddf5b5b | 11870 | case COND_JUMP86: |
412167cb AM |
11871 | if (size == 2 |
11872 | && (!no_cond_jump_promotion || fragP->fr_var != NO_RELOC)) | |
fddf5b5b AM |
11873 | { |
11874 | /* Negate the condition, and branch past an | |
11875 | unconditional jump. */ | |
11876 | opcode[0] ^= 1; | |
11877 | opcode[1] = 3; | |
11878 | /* Insert an unconditional jump. */ | |
11879 | opcode[2] = 0xe9; | |
11880 | /* We added two extra opcode bytes, and have a two byte | |
11881 | offset. */ | |
11882 | fragP->fr_fix += 2 + 2; | |
062cd5e7 AS |
11883 | fix_new (fragP, old_fr_fix + 2, 2, |
11884 | fragP->fr_symbol, | |
11885 | fragP->fr_offset, 1, | |
11886 | reloc_type); | |
fddf5b5b AM |
11887 | break; |
11888 | } | |
11889 | /* Fall through. */ | |
11890 | ||
11891 | case COND_JUMP: | |
412167cb AM |
11892 | if (no_cond_jump_promotion && fragP->fr_var == NO_RELOC) |
11893 | { | |
3e02c1cc AM |
11894 | fixS *fixP; |
11895 | ||
412167cb | 11896 | fragP->fr_fix += 1; |
3e02c1cc AM |
11897 | fixP = fix_new (fragP, old_fr_fix, 1, |
11898 | fragP->fr_symbol, | |
11899 | fragP->fr_offset, 1, | |
11900 | BFD_RELOC_8_PCREL); | |
11901 | fixP->fx_signed = 1; | |
412167cb AM |
11902 | break; |
11903 | } | |
93c2a809 | 11904 | |
24eab124 | 11905 | /* This changes the byte-displacement jump 0x7N |
fddf5b5b | 11906 | to the (d)word-displacement jump 0x0f,0x8N. */ |
252b5132 | 11907 | opcode[1] = opcode[0] + 0x10; |
f6af82bd | 11908 | opcode[0] = TWO_BYTE_OPCODE_ESCAPE; |
47926f60 KH |
11909 | /* We've added an opcode byte. */ |
11910 | fragP->fr_fix += 1 + size; | |
062cd5e7 AS |
11911 | fix_new (fragP, old_fr_fix + 1, size, |
11912 | fragP->fr_symbol, | |
11913 | fragP->fr_offset, 1, | |
11914 | reloc_type); | |
252b5132 | 11915 | break; |
fddf5b5b AM |
11916 | |
11917 | default: | |
11918 | BAD_CASE (fragP->fr_subtype); | |
11919 | break; | |
252b5132 RH |
11920 | } |
11921 | frag_wane (fragP); | |
ee7fcc42 | 11922 | return fragP->fr_fix - old_fr_fix; |
252b5132 | 11923 | } |
93c2a809 | 11924 | |
93c2a809 AM |
11925 | /* Guess size depending on current relax state. Initially the relax |
11926 | state will correspond to a short jump and we return 1, because | |
11927 | the variable part of the frag (the branch offset) is one byte | |
11928 | long. However, we can relax a section more than once and in that | |
11929 | case we must either set fr_subtype back to the unrelaxed state, | |
11930 | or return the value for the appropriate branch. */ | |
11931 | return md_relax_table[fragP->fr_subtype].rlx_length; | |
ee7fcc42 AM |
11932 | } |
11933 | ||
47926f60 KH |
11934 | /* Called after relax() is finished. |
11935 | ||
11936 | In: Address of frag. | |
11937 | fr_type == rs_machine_dependent. | |
11938 | fr_subtype is what the address relaxed to. | |
11939 | ||
11940 | Out: Any fixSs and constants are set up. | |
11941 | Caller will turn frag into a ".space 0". */ | |
11942 | ||
252b5132 | 11943 | void |
7016a5d5 TG |
11944 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, segT sec ATTRIBUTE_UNUSED, |
11945 | fragS *fragP) | |
252b5132 | 11946 | { |
29b0f896 | 11947 | unsigned char *opcode; |
252b5132 | 11948 | unsigned char *where_to_put_displacement = NULL; |
847f7ad4 AM |
11949 | offsetT target_address; |
11950 | offsetT opcode_address; | |
252b5132 | 11951 | unsigned int extension = 0; |
847f7ad4 | 11952 | offsetT displacement_from_opcode_start; |
252b5132 | 11953 | |
e379e5f3 L |
11954 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PADDING |
11955 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == FUSED_JCC_PADDING | |
11956 | || TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX) | |
11957 | { | |
11958 | /* Generate nop padding. */ | |
11959 | unsigned int size = fragP->tc_frag_data.length; | |
11960 | if (size) | |
11961 | { | |
11962 | if (size > fragP->tc_frag_data.max_bytes) | |
11963 | abort (); | |
11964 | ||
11965 | if (flag_debug) | |
11966 | { | |
11967 | const char *msg; | |
11968 | const char *branch = "branch"; | |
11969 | const char *prefix = ""; | |
11970 | fragS *padding_fragP; | |
11971 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) | |
11972 | == BRANCH_PREFIX) | |
11973 | { | |
11974 | padding_fragP = fragP->tc_frag_data.u.padding_fragP; | |
11975 | switch (fragP->tc_frag_data.default_prefix) | |
11976 | { | |
11977 | default: | |
11978 | abort (); | |
11979 | break; | |
11980 | case CS_PREFIX_OPCODE: | |
11981 | prefix = " cs"; | |
11982 | break; | |
11983 | case DS_PREFIX_OPCODE: | |
11984 | prefix = " ds"; | |
11985 | break; | |
11986 | case ES_PREFIX_OPCODE: | |
11987 | prefix = " es"; | |
11988 | break; | |
11989 | case FS_PREFIX_OPCODE: | |
11990 | prefix = " fs"; | |
11991 | break; | |
11992 | case GS_PREFIX_OPCODE: | |
11993 | prefix = " gs"; | |
11994 | break; | |
11995 | case SS_PREFIX_OPCODE: | |
11996 | prefix = " ss"; | |
11997 | break; | |
11998 | } | |
11999 | if (padding_fragP) | |
12000 | msg = _("%s:%u: add %d%s at 0x%llx to align " | |
12001 | "%s within %d-byte boundary\n"); | |
12002 | else | |
12003 | msg = _("%s:%u: add additional %d%s at 0x%llx to " | |
12004 | "align %s within %d-byte boundary\n"); | |
12005 | } | |
12006 | else | |
12007 | { | |
12008 | padding_fragP = fragP; | |
12009 | msg = _("%s:%u: add %d%s-byte nop at 0x%llx to align " | |
12010 | "%s within %d-byte boundary\n"); | |
12011 | } | |
12012 | ||
12013 | if (padding_fragP) | |
12014 | switch (padding_fragP->tc_frag_data.branch_type) | |
12015 | { | |
12016 | case align_branch_jcc: | |
12017 | branch = "jcc"; | |
12018 | break; | |
12019 | case align_branch_fused: | |
12020 | branch = "fused jcc"; | |
12021 | break; | |
12022 | case align_branch_jmp: | |
12023 | branch = "jmp"; | |
12024 | break; | |
12025 | case align_branch_call: | |
12026 | branch = "call"; | |
12027 | break; | |
12028 | case align_branch_indirect: | |
12029 | branch = "indiret branch"; | |
12030 | break; | |
12031 | case align_branch_ret: | |
12032 | branch = "ret"; | |
12033 | break; | |
12034 | default: | |
12035 | break; | |
12036 | } | |
12037 | ||
12038 | fprintf (stdout, msg, | |
12039 | fragP->fr_file, fragP->fr_line, size, prefix, | |
12040 | (long long) fragP->fr_address, branch, | |
12041 | 1 << align_branch_power); | |
12042 | } | |
12043 | if (TYPE_FROM_RELAX_STATE (fragP->fr_subtype) == BRANCH_PREFIX) | |
12044 | memset (fragP->fr_opcode, | |
12045 | fragP->tc_frag_data.default_prefix, size); | |
12046 | else | |
12047 | i386_generate_nops (fragP, (char *) fragP->fr_opcode, | |
12048 | size, 0); | |
12049 | fragP->fr_fix += size; | |
12050 | } | |
12051 | return; | |
12052 | } | |
12053 | ||
252b5132 RH |
12054 | opcode = (unsigned char *) fragP->fr_opcode; |
12055 | ||
47926f60 | 12056 | /* Address we want to reach in file space. */ |
252b5132 | 12057 | target_address = S_GET_VALUE (fragP->fr_symbol) + fragP->fr_offset; |
252b5132 | 12058 | |
47926f60 | 12059 | /* Address opcode resides at in file space. */ |
252b5132 RH |
12060 | opcode_address = fragP->fr_address + fragP->fr_fix; |
12061 | ||
47926f60 | 12062 | /* Displacement from opcode start to fill into instruction. */ |
252b5132 RH |
12063 | displacement_from_opcode_start = target_address - opcode_address; |
12064 | ||
fddf5b5b | 12065 | if ((fragP->fr_subtype & BIG) == 0) |
252b5132 | 12066 | { |
47926f60 KH |
12067 | /* Don't have to change opcode. */ |
12068 | extension = 1; /* 1 opcode + 1 displacement */ | |
252b5132 | 12069 | where_to_put_displacement = &opcode[1]; |
fddf5b5b AM |
12070 | } |
12071 | else | |
12072 | { | |
12073 | if (no_cond_jump_promotion | |
12074 | && TYPE_FROM_RELAX_STATE (fragP->fr_subtype) != UNCOND_JUMP) | |
4eed87de AM |
12075 | as_warn_where (fragP->fr_file, fragP->fr_line, |
12076 | _("long jump required")); | |
252b5132 | 12077 | |
fddf5b5b AM |
12078 | switch (fragP->fr_subtype) |
12079 | { | |
12080 | case ENCODE_RELAX_STATE (UNCOND_JUMP, BIG): | |
12081 | extension = 4; /* 1 opcode + 4 displacement */ | |
12082 | opcode[0] = 0xe9; | |
12083 | where_to_put_displacement = &opcode[1]; | |
12084 | break; | |
252b5132 | 12085 | |
fddf5b5b AM |
12086 | case ENCODE_RELAX_STATE (UNCOND_JUMP, BIG16): |
12087 | extension = 2; /* 1 opcode + 2 displacement */ | |
12088 | opcode[0] = 0xe9; | |
12089 | where_to_put_displacement = &opcode[1]; | |
12090 | break; | |
252b5132 | 12091 | |
fddf5b5b AM |
12092 | case ENCODE_RELAX_STATE (COND_JUMP, BIG): |
12093 | case ENCODE_RELAX_STATE (COND_JUMP86, BIG): | |
12094 | extension = 5; /* 2 opcode + 4 displacement */ | |
12095 | opcode[1] = opcode[0] + 0x10; | |
12096 | opcode[0] = TWO_BYTE_OPCODE_ESCAPE; | |
12097 | where_to_put_displacement = &opcode[2]; | |
12098 | break; | |
252b5132 | 12099 | |
fddf5b5b AM |
12100 | case ENCODE_RELAX_STATE (COND_JUMP, BIG16): |
12101 | extension = 3; /* 2 opcode + 2 displacement */ | |
12102 | opcode[1] = opcode[0] + 0x10; | |
12103 | opcode[0] = TWO_BYTE_OPCODE_ESCAPE; | |
12104 | where_to_put_displacement = &opcode[2]; | |
12105 | break; | |
252b5132 | 12106 | |
fddf5b5b AM |
12107 | case ENCODE_RELAX_STATE (COND_JUMP86, BIG16): |
12108 | extension = 4; | |
12109 | opcode[0] ^= 1; | |
12110 | opcode[1] = 3; | |
12111 | opcode[2] = 0xe9; | |
12112 | where_to_put_displacement = &opcode[3]; | |
12113 | break; | |
12114 | ||
12115 | default: | |
12116 | BAD_CASE (fragP->fr_subtype); | |
12117 | break; | |
12118 | } | |
252b5132 | 12119 | } |
fddf5b5b | 12120 | |
7b81dfbb AJ |
12121 | /* If size if less then four we are sure that the operand fits, |
12122 | but if it's 4, then it could be that the displacement is larger | |
12123 | then -/+ 2GB. */ | |
12124 | if (DISP_SIZE_FROM_RELAX_STATE (fragP->fr_subtype) == 4 | |
12125 | && object_64bit | |
12126 | && ((addressT) (displacement_from_opcode_start - extension | |
4eed87de AM |
12127 | + ((addressT) 1 << 31)) |
12128 | > (((addressT) 2 << 31) - 1))) | |
7b81dfbb AJ |
12129 | { |
12130 | as_bad_where (fragP->fr_file, fragP->fr_line, | |
12131 | _("jump target out of range")); | |
12132 | /* Make us emit 0. */ | |
12133 | displacement_from_opcode_start = extension; | |
12134 | } | |
47926f60 | 12135 | /* Now put displacement after opcode. */ |
252b5132 RH |
12136 | md_number_to_chars ((char *) where_to_put_displacement, |
12137 | (valueT) (displacement_from_opcode_start - extension), | |
fddf5b5b | 12138 | DISP_SIZE_FROM_RELAX_STATE (fragP->fr_subtype)); |
252b5132 RH |
12139 | fragP->fr_fix += extension; |
12140 | } | |
12141 | \f | |
7016a5d5 | 12142 | /* Apply a fixup (fixP) to segment data, once it has been determined |
252b5132 RH |
12143 | by our caller that we have all the info we need to fix it up. |
12144 | ||
7016a5d5 TG |
12145 | Parameter valP is the pointer to the value of the bits. |
12146 | ||
252b5132 RH |
12147 | On the 386, immediates, displacements, and data pointers are all in |
12148 | the same (little-endian) format, so we don't need to care about which | |
12149 | we are handling. */ | |
12150 | ||
94f592af | 12151 | void |
7016a5d5 | 12152 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 | 12153 | { |
94f592af | 12154 | char *p = fixP->fx_where + fixP->fx_frag->fr_literal; |
c6682705 | 12155 | valueT value = *valP; |
252b5132 | 12156 | |
f86103b7 | 12157 | #if !defined (TE_Mach) |
93382f6d AM |
12158 | if (fixP->fx_pcrel) |
12159 | { | |
12160 | switch (fixP->fx_r_type) | |
12161 | { | |
5865bb77 ILT |
12162 | default: |
12163 | break; | |
12164 | ||
d6ab8113 JB |
12165 | case BFD_RELOC_64: |
12166 | fixP->fx_r_type = BFD_RELOC_64_PCREL; | |
12167 | break; | |
93382f6d | 12168 | case BFD_RELOC_32: |
ae8887b5 | 12169 | case BFD_RELOC_X86_64_32S: |
93382f6d AM |
12170 | fixP->fx_r_type = BFD_RELOC_32_PCREL; |
12171 | break; | |
12172 | case BFD_RELOC_16: | |
12173 | fixP->fx_r_type = BFD_RELOC_16_PCREL; | |
12174 | break; | |
12175 | case BFD_RELOC_8: | |
12176 | fixP->fx_r_type = BFD_RELOC_8_PCREL; | |
12177 | break; | |
12178 | } | |
12179 | } | |
252b5132 | 12180 | |
a161fe53 | 12181 | if (fixP->fx_addsy != NULL |
31312f95 | 12182 | && (fixP->fx_r_type == BFD_RELOC_32_PCREL |
d6ab8113 | 12183 | || fixP->fx_r_type == BFD_RELOC_64_PCREL |
31312f95 | 12184 | || fixP->fx_r_type == BFD_RELOC_16_PCREL |
d258b828 | 12185 | || fixP->fx_r_type == BFD_RELOC_8_PCREL) |
31312f95 | 12186 | && !use_rela_relocations) |
252b5132 | 12187 | { |
31312f95 AM |
12188 | /* This is a hack. There should be a better way to handle this. |
12189 | This covers for the fact that bfd_install_relocation will | |
12190 | subtract the current location (for partial_inplace, PC relative | |
12191 | relocations); see more below. */ | |
252b5132 | 12192 | #ifndef OBJ_AOUT |
718ddfc0 | 12193 | if (IS_ELF |
252b5132 RH |
12194 | #ifdef TE_PE |
12195 | || OUTPUT_FLAVOR == bfd_target_coff_flavour | |
12196 | #endif | |
12197 | ) | |
12198 | value += fixP->fx_where + fixP->fx_frag->fr_address; | |
12199 | #endif | |
12200 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
718ddfc0 | 12201 | if (IS_ELF) |
252b5132 | 12202 | { |
6539b54b | 12203 | segT sym_seg = S_GET_SEGMENT (fixP->fx_addsy); |
2f66722d | 12204 | |
6539b54b | 12205 | if ((sym_seg == seg |
2f66722d | 12206 | || (symbol_section_p (fixP->fx_addsy) |
6539b54b | 12207 | && sym_seg != absolute_section)) |
af65af87 | 12208 | && !generic_force_reloc (fixP)) |
2f66722d AM |
12209 | { |
12210 | /* Yes, we add the values in twice. This is because | |
6539b54b AM |
12211 | bfd_install_relocation subtracts them out again. I think |
12212 | bfd_install_relocation is broken, but I don't dare change | |
2f66722d AM |
12213 | it. FIXME. */ |
12214 | value += fixP->fx_where + fixP->fx_frag->fr_address; | |
12215 | } | |
252b5132 RH |
12216 | } |
12217 | #endif | |
12218 | #if defined (OBJ_COFF) && defined (TE_PE) | |
977cdf5a NC |
12219 | /* For some reason, the PE format does not store a |
12220 | section address offset for a PC relative symbol. */ | |
12221 | if (S_GET_SEGMENT (fixP->fx_addsy) != seg | |
7be1c489 | 12222 | || S_IS_WEAK (fixP->fx_addsy)) |
252b5132 RH |
12223 | value += md_pcrel_from (fixP); |
12224 | #endif | |
12225 | } | |
fbeb56a4 | 12226 | #if defined (OBJ_COFF) && defined (TE_PE) |
f01c1a09 NC |
12227 | if (fixP->fx_addsy != NULL |
12228 | && S_IS_WEAK (fixP->fx_addsy) | |
12229 | /* PR 16858: Do not modify weak function references. */ | |
12230 | && ! fixP->fx_pcrel) | |
fbeb56a4 | 12231 | { |
296a8689 NC |
12232 | #if !defined (TE_PEP) |
12233 | /* For x86 PE weak function symbols are neither PC-relative | |
12234 | nor do they set S_IS_FUNCTION. So the only reliable way | |
12235 | to detect them is to check the flags of their containing | |
12236 | section. */ | |
12237 | if (S_GET_SEGMENT (fixP->fx_addsy) != NULL | |
12238 | && S_GET_SEGMENT (fixP->fx_addsy)->flags & SEC_CODE) | |
12239 | ; | |
12240 | else | |
12241 | #endif | |
fbeb56a4 DK |
12242 | value -= S_GET_VALUE (fixP->fx_addsy); |
12243 | } | |
12244 | #endif | |
252b5132 RH |
12245 | |
12246 | /* Fix a few things - the dynamic linker expects certain values here, | |
0234cb7c | 12247 | and we must not disappoint it. */ |
252b5132 | 12248 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
718ddfc0 | 12249 | if (IS_ELF && fixP->fx_addsy) |
47926f60 KH |
12250 | switch (fixP->fx_r_type) |
12251 | { | |
12252 | case BFD_RELOC_386_PLT32: | |
3e73aa7c | 12253 | case BFD_RELOC_X86_64_PLT32: |
b9519cfe L |
12254 | /* Make the jump instruction point to the address of the operand. |
12255 | At runtime we merely add the offset to the actual PLT entry. | |
12256 | NB: Subtract the offset size only for jump instructions. */ | |
12257 | if (fixP->fx_pcrel) | |
12258 | value = -4; | |
47926f60 | 12259 | break; |
31312f95 | 12260 | |
13ae64f3 JJ |
12261 | case BFD_RELOC_386_TLS_GD: |
12262 | case BFD_RELOC_386_TLS_LDM: | |
13ae64f3 | 12263 | case BFD_RELOC_386_TLS_IE_32: |
37e55690 JJ |
12264 | case BFD_RELOC_386_TLS_IE: |
12265 | case BFD_RELOC_386_TLS_GOTIE: | |
67a4f2b7 | 12266 | case BFD_RELOC_386_TLS_GOTDESC: |
bffbf940 JJ |
12267 | case BFD_RELOC_X86_64_TLSGD: |
12268 | case BFD_RELOC_X86_64_TLSLD: | |
12269 | case BFD_RELOC_X86_64_GOTTPOFF: | |
67a4f2b7 | 12270 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: |
00f7efb6 JJ |
12271 | value = 0; /* Fully resolved at runtime. No addend. */ |
12272 | /* Fallthrough */ | |
12273 | case BFD_RELOC_386_TLS_LE: | |
12274 | case BFD_RELOC_386_TLS_LDO_32: | |
12275 | case BFD_RELOC_386_TLS_LE_32: | |
12276 | case BFD_RELOC_X86_64_DTPOFF32: | |
d6ab8113 | 12277 | case BFD_RELOC_X86_64_DTPOFF64: |
00f7efb6 | 12278 | case BFD_RELOC_X86_64_TPOFF32: |
d6ab8113 | 12279 | case BFD_RELOC_X86_64_TPOFF64: |
00f7efb6 JJ |
12280 | S_SET_THREAD_LOCAL (fixP->fx_addsy); |
12281 | break; | |
12282 | ||
67a4f2b7 AO |
12283 | case BFD_RELOC_386_TLS_DESC_CALL: |
12284 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
12285 | value = 0; /* Fully resolved at runtime. No addend. */ | |
12286 | S_SET_THREAD_LOCAL (fixP->fx_addsy); | |
12287 | fixP->fx_done = 0; | |
12288 | return; | |
12289 | ||
47926f60 KH |
12290 | case BFD_RELOC_VTABLE_INHERIT: |
12291 | case BFD_RELOC_VTABLE_ENTRY: | |
12292 | fixP->fx_done = 0; | |
94f592af | 12293 | return; |
47926f60 KH |
12294 | |
12295 | default: | |
12296 | break; | |
12297 | } | |
12298 | #endif /* defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) */ | |
c6682705 | 12299 | *valP = value; |
f86103b7 | 12300 | #endif /* !defined (TE_Mach) */ |
3e73aa7c | 12301 | |
3e73aa7c | 12302 | /* Are we finished with this relocation now? */ |
c6682705 | 12303 | if (fixP->fx_addsy == NULL) |
3e73aa7c | 12304 | fixP->fx_done = 1; |
fbeb56a4 DK |
12305 | #if defined (OBJ_COFF) && defined (TE_PE) |
12306 | else if (fixP->fx_addsy != NULL && S_IS_WEAK (fixP->fx_addsy)) | |
12307 | { | |
12308 | fixP->fx_done = 0; | |
12309 | /* Remember value for tc_gen_reloc. */ | |
12310 | fixP->fx_addnumber = value; | |
12311 | /* Clear out the frag for now. */ | |
12312 | value = 0; | |
12313 | } | |
12314 | #endif | |
3e73aa7c JH |
12315 | else if (use_rela_relocations) |
12316 | { | |
12317 | fixP->fx_no_overflow = 1; | |
062cd5e7 AS |
12318 | /* Remember value for tc_gen_reloc. */ |
12319 | fixP->fx_addnumber = value; | |
3e73aa7c JH |
12320 | value = 0; |
12321 | } | |
f86103b7 | 12322 | |
94f592af | 12323 | md_number_to_chars (p, value, fixP->fx_size); |
252b5132 | 12324 | } |
252b5132 | 12325 | \f |
6d4af3c2 | 12326 | const char * |
499ac353 | 12327 | md_atof (int type, char *litP, int *sizeP) |
252b5132 | 12328 | { |
499ac353 NC |
12329 | /* This outputs the LITTLENUMs in REVERSE order; |
12330 | in accord with the bigendian 386. */ | |
12331 | return ieee_md_atof (type, litP, sizeP, FALSE); | |
252b5132 RH |
12332 | } |
12333 | \f | |
2d545b82 | 12334 | static char output_invalid_buf[sizeof (unsigned char) * 2 + 6]; |
252b5132 | 12335 | |
252b5132 | 12336 | static char * |
e3bb37b5 | 12337 | output_invalid (int c) |
252b5132 | 12338 | { |
3882b010 | 12339 | if (ISPRINT (c)) |
f9f21a03 L |
12340 | snprintf (output_invalid_buf, sizeof (output_invalid_buf), |
12341 | "'%c'", c); | |
252b5132 | 12342 | else |
f9f21a03 | 12343 | snprintf (output_invalid_buf, sizeof (output_invalid_buf), |
2d545b82 | 12344 | "(0x%x)", (unsigned char) c); |
252b5132 RH |
12345 | return output_invalid_buf; |
12346 | } | |
12347 | ||
8a6fb3f9 JB |
12348 | /* Verify that @r can be used in the current context. */ |
12349 | ||
12350 | static bfd_boolean check_register (const reg_entry *r) | |
12351 | { | |
12352 | if (allow_pseudo_reg) | |
12353 | return TRUE; | |
12354 | ||
12355 | if (operand_type_all_zero (&r->reg_type)) | |
12356 | return FALSE; | |
12357 | ||
12358 | if ((r->reg_type.bitfield.dword | |
12359 | || (r->reg_type.bitfield.class == SReg && r->reg_num > 3) | |
12360 | || r->reg_type.bitfield.class == RegCR | |
12361 | || r->reg_type.bitfield.class == RegDR | |
12362 | || r->reg_type.bitfield.class == RegTR) | |
12363 | && !cpu_arch_flags.bitfield.cpui386) | |
12364 | return FALSE; | |
12365 | ||
12366 | if (r->reg_type.bitfield.class == RegMMX && !cpu_arch_flags.bitfield.cpummx) | |
12367 | return FALSE; | |
12368 | ||
12369 | if (!cpu_arch_flags.bitfield.cpuavx512f) | |
12370 | { | |
12371 | if (r->reg_type.bitfield.zmmword | |
12372 | || r->reg_type.bitfield.class == RegMask) | |
12373 | return FALSE; | |
12374 | ||
12375 | if (!cpu_arch_flags.bitfield.cpuavx) | |
12376 | { | |
12377 | if (r->reg_type.bitfield.ymmword) | |
12378 | return FALSE; | |
12379 | ||
12380 | if (!cpu_arch_flags.bitfield.cpusse && r->reg_type.bitfield.xmmword) | |
12381 | return FALSE; | |
12382 | } | |
12383 | } | |
12384 | ||
12385 | if (r->reg_type.bitfield.class == RegBND && !cpu_arch_flags.bitfield.cpumpx) | |
12386 | return FALSE; | |
12387 | ||
12388 | /* Don't allow fake index register unless allow_index_reg isn't 0. */ | |
12389 | if (!allow_index_reg && r->reg_num == RegIZ) | |
12390 | return FALSE; | |
12391 | ||
12392 | /* Upper 16 vector registers are only available with VREX in 64bit | |
12393 | mode, and require EVEX encoding. */ | |
12394 | if (r->reg_flags & RegVRex) | |
12395 | { | |
12396 | if (!cpu_arch_flags.bitfield.cpuavx512f | |
12397 | || flag_code != CODE_64BIT) | |
12398 | return FALSE; | |
12399 | ||
12400 | i.vec_encoding = vex_encoding_evex; | |
12401 | } | |
12402 | ||
12403 | if (((r->reg_flags & (RegRex64 | RegRex)) || r->reg_type.bitfield.qword) | |
12404 | && (!cpu_arch_flags.bitfield.cpulm || r->reg_type.bitfield.class != RegCR) | |
12405 | && flag_code != CODE_64BIT) | |
12406 | return FALSE; | |
12407 | ||
12408 | if (r->reg_type.bitfield.class == SReg && r->reg_num == RegFlat | |
12409 | && !intel_syntax) | |
12410 | return FALSE; | |
12411 | ||
12412 | return TRUE; | |
12413 | } | |
12414 | ||
af6bdddf | 12415 | /* REG_STRING starts *before* REGISTER_PREFIX. */ |
252b5132 RH |
12416 | |
12417 | static const reg_entry * | |
4d1bb795 | 12418 | parse_real_register (char *reg_string, char **end_op) |
252b5132 | 12419 | { |
af6bdddf AM |
12420 | char *s = reg_string; |
12421 | char *p; | |
252b5132 RH |
12422 | char reg_name_given[MAX_REG_NAME_SIZE + 1]; |
12423 | const reg_entry *r; | |
12424 | ||
12425 | /* Skip possible REGISTER_PREFIX and possible whitespace. */ | |
12426 | if (*s == REGISTER_PREFIX) | |
12427 | ++s; | |
12428 | ||
12429 | if (is_space_char (*s)) | |
12430 | ++s; | |
12431 | ||
12432 | p = reg_name_given; | |
af6bdddf | 12433 | while ((*p++ = register_chars[(unsigned char) *s]) != '\0') |
252b5132 RH |
12434 | { |
12435 | if (p >= reg_name_given + MAX_REG_NAME_SIZE) | |
af6bdddf AM |
12436 | return (const reg_entry *) NULL; |
12437 | s++; | |
252b5132 RH |
12438 | } |
12439 | ||
6588847e DN |
12440 | /* For naked regs, make sure that we are not dealing with an identifier. |
12441 | This prevents confusing an identifier like `eax_var' with register | |
12442 | `eax'. */ | |
12443 | if (allow_naked_reg && identifier_chars[(unsigned char) *s]) | |
12444 | return (const reg_entry *) NULL; | |
12445 | ||
af6bdddf | 12446 | *end_op = s; |
252b5132 RH |
12447 | |
12448 | r = (const reg_entry *) hash_find (reg_hash, reg_name_given); | |
12449 | ||
5f47d35b | 12450 | /* Handle floating point regs, allowing spaces in the (i) part. */ |
47926f60 | 12451 | if (r == i386_regtab /* %st is first entry of table */) |
5f47d35b | 12452 | { |
0e0eea78 JB |
12453 | if (!cpu_arch_flags.bitfield.cpu8087 |
12454 | && !cpu_arch_flags.bitfield.cpu287 | |
af32b722 JB |
12455 | && !cpu_arch_flags.bitfield.cpu387 |
12456 | && !allow_pseudo_reg) | |
0e0eea78 JB |
12457 | return (const reg_entry *) NULL; |
12458 | ||
5f47d35b AM |
12459 | if (is_space_char (*s)) |
12460 | ++s; | |
12461 | if (*s == '(') | |
12462 | { | |
af6bdddf | 12463 | ++s; |
5f47d35b AM |
12464 | if (is_space_char (*s)) |
12465 | ++s; | |
12466 | if (*s >= '0' && *s <= '7') | |
12467 | { | |
db557034 | 12468 | int fpr = *s - '0'; |
af6bdddf | 12469 | ++s; |
5f47d35b AM |
12470 | if (is_space_char (*s)) |
12471 | ++s; | |
12472 | if (*s == ')') | |
12473 | { | |
12474 | *end_op = s + 1; | |
1e9cc1c2 | 12475 | r = (const reg_entry *) hash_find (reg_hash, "st(0)"); |
db557034 AM |
12476 | know (r); |
12477 | return r + fpr; | |
5f47d35b | 12478 | } |
5f47d35b | 12479 | } |
47926f60 | 12480 | /* We have "%st(" then garbage. */ |
5f47d35b AM |
12481 | return (const reg_entry *) NULL; |
12482 | } | |
12483 | } | |
12484 | ||
8a6fb3f9 | 12485 | return r && check_register (r) ? r : NULL; |
252b5132 | 12486 | } |
4d1bb795 JB |
12487 | |
12488 | /* REG_STRING starts *before* REGISTER_PREFIX. */ | |
12489 | ||
12490 | static const reg_entry * | |
12491 | parse_register (char *reg_string, char **end_op) | |
12492 | { | |
12493 | const reg_entry *r; | |
12494 | ||
12495 | if (*reg_string == REGISTER_PREFIX || allow_naked_reg) | |
12496 | r = parse_real_register (reg_string, end_op); | |
12497 | else | |
12498 | r = NULL; | |
12499 | if (!r) | |
12500 | { | |
12501 | char *save = input_line_pointer; | |
12502 | char c; | |
12503 | symbolS *symbolP; | |
12504 | ||
12505 | input_line_pointer = reg_string; | |
d02603dc | 12506 | c = get_symbol_name (®_string); |
4d1bb795 JB |
12507 | symbolP = symbol_find (reg_string); |
12508 | if (symbolP && S_GET_SEGMENT (symbolP) == reg_section) | |
12509 | { | |
12510 | const expressionS *e = symbol_get_value_expression (symbolP); | |
12511 | ||
0398aac5 | 12512 | know (e->X_op == O_register); |
4eed87de | 12513 | know (e->X_add_number >= 0 |
c3fe08fa | 12514 | && (valueT) e->X_add_number < i386_regtab_size); |
4d1bb795 | 12515 | r = i386_regtab + e->X_add_number; |
8a6fb3f9 JB |
12516 | if (!check_register (r)) |
12517 | { | |
12518 | as_bad (_("register '%s%s' cannot be used here"), | |
12519 | register_prefix, r->reg_name); | |
12520 | r = &bad_reg; | |
12521 | } | |
4d1bb795 JB |
12522 | *end_op = input_line_pointer; |
12523 | } | |
12524 | *input_line_pointer = c; | |
12525 | input_line_pointer = save; | |
12526 | } | |
12527 | return r; | |
12528 | } | |
12529 | ||
12530 | int | |
12531 | i386_parse_name (char *name, expressionS *e, char *nextcharP) | |
12532 | { | |
12533 | const reg_entry *r; | |
12534 | char *end = input_line_pointer; | |
12535 | ||
12536 | *end = *nextcharP; | |
12537 | r = parse_register (name, &input_line_pointer); | |
12538 | if (r && end <= input_line_pointer) | |
12539 | { | |
12540 | *nextcharP = *input_line_pointer; | |
12541 | *input_line_pointer = 0; | |
8a6fb3f9 JB |
12542 | if (r != &bad_reg) |
12543 | { | |
12544 | e->X_op = O_register; | |
12545 | e->X_add_number = r - i386_regtab; | |
12546 | } | |
12547 | else | |
12548 | e->X_op = O_illegal; | |
4d1bb795 JB |
12549 | return 1; |
12550 | } | |
12551 | input_line_pointer = end; | |
12552 | *end = 0; | |
ee86248c | 12553 | return intel_syntax ? i386_intel_parse_name (name, e) : 0; |
4d1bb795 JB |
12554 | } |
12555 | ||
12556 | void | |
12557 | md_operand (expressionS *e) | |
12558 | { | |
ee86248c JB |
12559 | char *end; |
12560 | const reg_entry *r; | |
4d1bb795 | 12561 | |
ee86248c JB |
12562 | switch (*input_line_pointer) |
12563 | { | |
12564 | case REGISTER_PREFIX: | |
12565 | r = parse_real_register (input_line_pointer, &end); | |
4d1bb795 JB |
12566 | if (r) |
12567 | { | |
12568 | e->X_op = O_register; | |
12569 | e->X_add_number = r - i386_regtab; | |
12570 | input_line_pointer = end; | |
12571 | } | |
ee86248c JB |
12572 | break; |
12573 | ||
12574 | case '[': | |
9c2799c2 | 12575 | gas_assert (intel_syntax); |
ee86248c JB |
12576 | end = input_line_pointer++; |
12577 | expression (e); | |
12578 | if (*input_line_pointer == ']') | |
12579 | { | |
12580 | ++input_line_pointer; | |
12581 | e->X_op_symbol = make_expr_symbol (e); | |
12582 | e->X_add_symbol = NULL; | |
12583 | e->X_add_number = 0; | |
12584 | e->X_op = O_index; | |
12585 | } | |
12586 | else | |
12587 | { | |
12588 | e->X_op = O_absent; | |
12589 | input_line_pointer = end; | |
12590 | } | |
12591 | break; | |
4d1bb795 JB |
12592 | } |
12593 | } | |
12594 | ||
252b5132 | 12595 | \f |
4cc782b5 | 12596 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
b6f8c7c4 | 12597 | const char *md_shortopts = "kVQ:sqnO::"; |
252b5132 | 12598 | #else |
b6f8c7c4 | 12599 | const char *md_shortopts = "qnO::"; |
252b5132 | 12600 | #endif |
6e0b89ee | 12601 | |
3e73aa7c | 12602 | #define OPTION_32 (OPTION_MD_BASE + 0) |
b3b91714 AM |
12603 | #define OPTION_64 (OPTION_MD_BASE + 1) |
12604 | #define OPTION_DIVIDE (OPTION_MD_BASE + 2) | |
9103f4f4 L |
12605 | #define OPTION_MARCH (OPTION_MD_BASE + 3) |
12606 | #define OPTION_MTUNE (OPTION_MD_BASE + 4) | |
1efbbeb4 L |
12607 | #define OPTION_MMNEMONIC (OPTION_MD_BASE + 5) |
12608 | #define OPTION_MSYNTAX (OPTION_MD_BASE + 6) | |
12609 | #define OPTION_MINDEX_REG (OPTION_MD_BASE + 7) | |
12610 | #define OPTION_MNAKED_REG (OPTION_MD_BASE + 8) | |
bd5dea88 | 12611 | #define OPTION_MRELAX_RELOCATIONS (OPTION_MD_BASE + 9) |
c0f3af97 | 12612 | #define OPTION_MSSE2AVX (OPTION_MD_BASE + 10) |
daf50ae7 | 12613 | #define OPTION_MSSE_CHECK (OPTION_MD_BASE + 11) |
7bab8ab5 JB |
12614 | #define OPTION_MOPERAND_CHECK (OPTION_MD_BASE + 12) |
12615 | #define OPTION_MAVXSCALAR (OPTION_MD_BASE + 13) | |
12616 | #define OPTION_X32 (OPTION_MD_BASE + 14) | |
7e8b059b | 12617 | #define OPTION_MADD_BND_PREFIX (OPTION_MD_BASE + 15) |
43234a1e L |
12618 | #define OPTION_MEVEXLIG (OPTION_MD_BASE + 16) |
12619 | #define OPTION_MEVEXWIG (OPTION_MD_BASE + 17) | |
167ad85b | 12620 | #define OPTION_MBIG_OBJ (OPTION_MD_BASE + 18) |
d1982f93 | 12621 | #define OPTION_MOMIT_LOCK_PREFIX (OPTION_MD_BASE + 19) |
d3d3c6db | 12622 | #define OPTION_MEVEXRCIG (OPTION_MD_BASE + 20) |
8dcea932 | 12623 | #define OPTION_MSHARED (OPTION_MD_BASE + 21) |
5db04b09 L |
12624 | #define OPTION_MAMD64 (OPTION_MD_BASE + 22) |
12625 | #define OPTION_MINTEL64 (OPTION_MD_BASE + 23) | |
e4e00185 | 12626 | #define OPTION_MFENCE_AS_LOCK_ADD (OPTION_MD_BASE + 24) |
b4a3a7b4 | 12627 | #define OPTION_X86_USED_NOTE (OPTION_MD_BASE + 25) |
03751133 | 12628 | #define OPTION_MVEXWIG (OPTION_MD_BASE + 26) |
e379e5f3 L |
12629 | #define OPTION_MALIGN_BRANCH_BOUNDARY (OPTION_MD_BASE + 27) |
12630 | #define OPTION_MALIGN_BRANCH_PREFIX_SIZE (OPTION_MD_BASE + 28) | |
12631 | #define OPTION_MALIGN_BRANCH (OPTION_MD_BASE + 29) | |
76cf450b | 12632 | #define OPTION_MBRANCHES_WITH_32B_BOUNDARIES (OPTION_MD_BASE + 30) |
ae531041 L |
12633 | #define OPTION_MLFENCE_AFTER_LOAD (OPTION_MD_BASE + 31) |
12634 | #define OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH (OPTION_MD_BASE + 32) | |
12635 | #define OPTION_MLFENCE_BEFORE_RET (OPTION_MD_BASE + 33) | |
b3b91714 | 12636 | |
99ad8390 NC |
12637 | struct option md_longopts[] = |
12638 | { | |
3e73aa7c | 12639 | {"32", no_argument, NULL, OPTION_32}, |
321098a5 | 12640 | #if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
d382c579 | 12641 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
3e73aa7c | 12642 | {"64", no_argument, NULL, OPTION_64}, |
351f65ca L |
12643 | #endif |
12644 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
570561f7 | 12645 | {"x32", no_argument, NULL, OPTION_X32}, |
8dcea932 | 12646 | {"mshared", no_argument, NULL, OPTION_MSHARED}, |
b4a3a7b4 | 12647 | {"mx86-used-note", required_argument, NULL, OPTION_X86_USED_NOTE}, |
6e0b89ee | 12648 | #endif |
b3b91714 | 12649 | {"divide", no_argument, NULL, OPTION_DIVIDE}, |
9103f4f4 L |
12650 | {"march", required_argument, NULL, OPTION_MARCH}, |
12651 | {"mtune", required_argument, NULL, OPTION_MTUNE}, | |
1efbbeb4 L |
12652 | {"mmnemonic", required_argument, NULL, OPTION_MMNEMONIC}, |
12653 | {"msyntax", required_argument, NULL, OPTION_MSYNTAX}, | |
12654 | {"mindex-reg", no_argument, NULL, OPTION_MINDEX_REG}, | |
12655 | {"mnaked-reg", no_argument, NULL, OPTION_MNAKED_REG}, | |
c0f3af97 | 12656 | {"msse2avx", no_argument, NULL, OPTION_MSSE2AVX}, |
daf50ae7 | 12657 | {"msse-check", required_argument, NULL, OPTION_MSSE_CHECK}, |
7bab8ab5 | 12658 | {"moperand-check", required_argument, NULL, OPTION_MOPERAND_CHECK}, |
539f890d | 12659 | {"mavxscalar", required_argument, NULL, OPTION_MAVXSCALAR}, |
03751133 | 12660 | {"mvexwig", required_argument, NULL, OPTION_MVEXWIG}, |
7e8b059b | 12661 | {"madd-bnd-prefix", no_argument, NULL, OPTION_MADD_BND_PREFIX}, |
43234a1e L |
12662 | {"mevexlig", required_argument, NULL, OPTION_MEVEXLIG}, |
12663 | {"mevexwig", required_argument, NULL, OPTION_MEVEXWIG}, | |
167ad85b TG |
12664 | # if defined (TE_PE) || defined (TE_PEP) |
12665 | {"mbig-obj", no_argument, NULL, OPTION_MBIG_OBJ}, | |
12666 | #endif | |
d1982f93 | 12667 | {"momit-lock-prefix", required_argument, NULL, OPTION_MOMIT_LOCK_PREFIX}, |
e4e00185 | 12668 | {"mfence-as-lock-add", required_argument, NULL, OPTION_MFENCE_AS_LOCK_ADD}, |
0cb4071e | 12669 | {"mrelax-relocations", required_argument, NULL, OPTION_MRELAX_RELOCATIONS}, |
d3d3c6db | 12670 | {"mevexrcig", required_argument, NULL, OPTION_MEVEXRCIG}, |
e379e5f3 L |
12671 | {"malign-branch-boundary", required_argument, NULL, OPTION_MALIGN_BRANCH_BOUNDARY}, |
12672 | {"malign-branch-prefix-size", required_argument, NULL, OPTION_MALIGN_BRANCH_PREFIX_SIZE}, | |
12673 | {"malign-branch", required_argument, NULL, OPTION_MALIGN_BRANCH}, | |
76cf450b | 12674 | {"mbranches-within-32B-boundaries", no_argument, NULL, OPTION_MBRANCHES_WITH_32B_BOUNDARIES}, |
ae531041 L |
12675 | {"mlfence-after-load", required_argument, NULL, OPTION_MLFENCE_AFTER_LOAD}, |
12676 | {"mlfence-before-indirect-branch", required_argument, NULL, | |
12677 | OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH}, | |
12678 | {"mlfence-before-ret", required_argument, NULL, OPTION_MLFENCE_BEFORE_RET}, | |
5db04b09 L |
12679 | {"mamd64", no_argument, NULL, OPTION_MAMD64}, |
12680 | {"mintel64", no_argument, NULL, OPTION_MINTEL64}, | |
252b5132 RH |
12681 | {NULL, no_argument, NULL, 0} |
12682 | }; | |
12683 | size_t md_longopts_size = sizeof (md_longopts); | |
12684 | ||
12685 | int | |
17b9d67d | 12686 | md_parse_option (int c, const char *arg) |
252b5132 | 12687 | { |
91d6fa6a | 12688 | unsigned int j; |
e379e5f3 | 12689 | char *arch, *next, *saved, *type; |
9103f4f4 | 12690 | |
252b5132 RH |
12691 | switch (c) |
12692 | { | |
12b55ccc L |
12693 | case 'n': |
12694 | optimize_align_code = 0; | |
12695 | break; | |
12696 | ||
a38cf1db AM |
12697 | case 'q': |
12698 | quiet_warnings = 1; | |
252b5132 RH |
12699 | break; |
12700 | ||
12701 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
a38cf1db AM |
12702 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section |
12703 | should be emitted or not. FIXME: Not implemented. */ | |
12704 | case 'Q': | |
d4693039 JB |
12705 | if ((arg[0] != 'y' && arg[0] != 'n') || arg[1]) |
12706 | return 0; | |
252b5132 RH |
12707 | break; |
12708 | ||
12709 | /* -V: SVR4 argument to print version ID. */ | |
12710 | case 'V': | |
12711 | print_version_id (); | |
12712 | break; | |
12713 | ||
a38cf1db AM |
12714 | /* -k: Ignore for FreeBSD compatibility. */ |
12715 | case 'k': | |
252b5132 | 12716 | break; |
4cc782b5 ILT |
12717 | |
12718 | case 's': | |
12719 | /* -s: On i386 Solaris, this tells the native assembler to use | |
29b0f896 | 12720 | .stab instead of .stab.excl. We always use .stab anyhow. */ |
4cc782b5 | 12721 | break; |
8dcea932 L |
12722 | |
12723 | case OPTION_MSHARED: | |
12724 | shared = 1; | |
12725 | break; | |
b4a3a7b4 L |
12726 | |
12727 | case OPTION_X86_USED_NOTE: | |
12728 | if (strcasecmp (arg, "yes") == 0) | |
12729 | x86_used_note = 1; | |
12730 | else if (strcasecmp (arg, "no") == 0) | |
12731 | x86_used_note = 0; | |
12732 | else | |
12733 | as_fatal (_("invalid -mx86-used-note= option: `%s'"), arg); | |
12734 | break; | |
12735 | ||
12736 | ||
99ad8390 | 12737 | #endif |
321098a5 | 12738 | #if (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
d382c579 | 12739 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
3e73aa7c JH |
12740 | case OPTION_64: |
12741 | { | |
12742 | const char **list, **l; | |
12743 | ||
3e73aa7c JH |
12744 | list = bfd_target_list (); |
12745 | for (l = list; *l != NULL; l++) | |
8620418b | 12746 | if (CONST_STRNEQ (*l, "elf64-x86-64") |
99ad8390 NC |
12747 | || strcmp (*l, "coff-x86-64") == 0 |
12748 | || strcmp (*l, "pe-x86-64") == 0 | |
d382c579 TG |
12749 | || strcmp (*l, "pei-x86-64") == 0 |
12750 | || strcmp (*l, "mach-o-x86-64") == 0) | |
6e0b89ee AM |
12751 | { |
12752 | default_arch = "x86_64"; | |
12753 | break; | |
12754 | } | |
3e73aa7c | 12755 | if (*l == NULL) |
2b5d6a91 | 12756 | as_fatal (_("no compiled in support for x86_64")); |
3e73aa7c JH |
12757 | free (list); |
12758 | } | |
12759 | break; | |
12760 | #endif | |
252b5132 | 12761 | |
351f65ca | 12762 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
570561f7 | 12763 | case OPTION_X32: |
351f65ca L |
12764 | if (IS_ELF) |
12765 | { | |
12766 | const char **list, **l; | |
12767 | ||
12768 | list = bfd_target_list (); | |
12769 | for (l = list; *l != NULL; l++) | |
12770 | if (CONST_STRNEQ (*l, "elf32-x86-64")) | |
12771 | { | |
12772 | default_arch = "x86_64:32"; | |
12773 | break; | |
12774 | } | |
12775 | if (*l == NULL) | |
2b5d6a91 | 12776 | as_fatal (_("no compiled in support for 32bit x86_64")); |
351f65ca L |
12777 | free (list); |
12778 | } | |
12779 | else | |
12780 | as_fatal (_("32bit x86_64 is only supported for ELF")); | |
12781 | break; | |
12782 | #endif | |
12783 | ||
6e0b89ee AM |
12784 | case OPTION_32: |
12785 | default_arch = "i386"; | |
12786 | break; | |
12787 | ||
b3b91714 AM |
12788 | case OPTION_DIVIDE: |
12789 | #ifdef SVR4_COMMENT_CHARS | |
12790 | { | |
12791 | char *n, *t; | |
12792 | const char *s; | |
12793 | ||
add39d23 | 12794 | n = XNEWVEC (char, strlen (i386_comment_chars) + 1); |
b3b91714 AM |
12795 | t = n; |
12796 | for (s = i386_comment_chars; *s != '\0'; s++) | |
12797 | if (*s != '/') | |
12798 | *t++ = *s; | |
12799 | *t = '\0'; | |
12800 | i386_comment_chars = n; | |
12801 | } | |
12802 | #endif | |
12803 | break; | |
12804 | ||
9103f4f4 | 12805 | case OPTION_MARCH: |
293f5f65 L |
12806 | saved = xstrdup (arg); |
12807 | arch = saved; | |
12808 | /* Allow -march=+nosse. */ | |
12809 | if (*arch == '+') | |
12810 | arch++; | |
6305a203 | 12811 | do |
9103f4f4 | 12812 | { |
6305a203 | 12813 | if (*arch == '.') |
2b5d6a91 | 12814 | as_fatal (_("invalid -march= option: `%s'"), arg); |
6305a203 L |
12815 | next = strchr (arch, '+'); |
12816 | if (next) | |
12817 | *next++ = '\0'; | |
91d6fa6a | 12818 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) |
9103f4f4 | 12819 | { |
91d6fa6a | 12820 | if (strcmp (arch, cpu_arch [j].name) == 0) |
ccc9c027 | 12821 | { |
6305a203 | 12822 | /* Processor. */ |
1ded5609 JB |
12823 | if (! cpu_arch[j].flags.bitfield.cpui386) |
12824 | continue; | |
12825 | ||
91d6fa6a | 12826 | cpu_arch_name = cpu_arch[j].name; |
6305a203 | 12827 | cpu_sub_arch_name = NULL; |
91d6fa6a NC |
12828 | cpu_arch_flags = cpu_arch[j].flags; |
12829 | cpu_arch_isa = cpu_arch[j].type; | |
12830 | cpu_arch_isa_flags = cpu_arch[j].flags; | |
6305a203 L |
12831 | if (!cpu_arch_tune_set) |
12832 | { | |
12833 | cpu_arch_tune = cpu_arch_isa; | |
12834 | cpu_arch_tune_flags = cpu_arch_isa_flags; | |
12835 | } | |
12836 | break; | |
12837 | } | |
91d6fa6a NC |
12838 | else if (*cpu_arch [j].name == '.' |
12839 | && strcmp (arch, cpu_arch [j].name + 1) == 0) | |
6305a203 | 12840 | { |
33eaf5de | 12841 | /* ISA extension. */ |
6305a203 | 12842 | i386_cpu_flags flags; |
309d3373 | 12843 | |
293f5f65 L |
12844 | flags = cpu_flags_or (cpu_arch_flags, |
12845 | cpu_arch[j].flags); | |
81486035 | 12846 | |
5b64d091 | 12847 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) |
6305a203 L |
12848 | { |
12849 | if (cpu_sub_arch_name) | |
12850 | { | |
12851 | char *name = cpu_sub_arch_name; | |
12852 | cpu_sub_arch_name = concat (name, | |
91d6fa6a | 12853 | cpu_arch[j].name, |
1bf57e9f | 12854 | (const char *) NULL); |
6305a203 L |
12855 | free (name); |
12856 | } | |
12857 | else | |
91d6fa6a | 12858 | cpu_sub_arch_name = xstrdup (cpu_arch[j].name); |
6305a203 | 12859 | cpu_arch_flags = flags; |
a586129e | 12860 | cpu_arch_isa_flags = flags; |
6305a203 | 12861 | } |
0089dace L |
12862 | else |
12863 | cpu_arch_isa_flags | |
12864 | = cpu_flags_or (cpu_arch_isa_flags, | |
12865 | cpu_arch[j].flags); | |
6305a203 | 12866 | break; |
ccc9c027 | 12867 | } |
9103f4f4 | 12868 | } |
6305a203 | 12869 | |
293f5f65 L |
12870 | if (j >= ARRAY_SIZE (cpu_arch)) |
12871 | { | |
33eaf5de | 12872 | /* Disable an ISA extension. */ |
293f5f65 L |
12873 | for (j = 0; j < ARRAY_SIZE (cpu_noarch); j++) |
12874 | if (strcmp (arch, cpu_noarch [j].name) == 0) | |
12875 | { | |
12876 | i386_cpu_flags flags; | |
12877 | ||
12878 | flags = cpu_flags_and_not (cpu_arch_flags, | |
12879 | cpu_noarch[j].flags); | |
12880 | if (!cpu_flags_equal (&flags, &cpu_arch_flags)) | |
12881 | { | |
12882 | if (cpu_sub_arch_name) | |
12883 | { | |
12884 | char *name = cpu_sub_arch_name; | |
12885 | cpu_sub_arch_name = concat (arch, | |
12886 | (const char *) NULL); | |
12887 | free (name); | |
12888 | } | |
12889 | else | |
12890 | cpu_sub_arch_name = xstrdup (arch); | |
12891 | cpu_arch_flags = flags; | |
12892 | cpu_arch_isa_flags = flags; | |
12893 | } | |
12894 | break; | |
12895 | } | |
12896 | ||
12897 | if (j >= ARRAY_SIZE (cpu_noarch)) | |
12898 | j = ARRAY_SIZE (cpu_arch); | |
12899 | } | |
12900 | ||
91d6fa6a | 12901 | if (j >= ARRAY_SIZE (cpu_arch)) |
2b5d6a91 | 12902 | as_fatal (_("invalid -march= option: `%s'"), arg); |
6305a203 L |
12903 | |
12904 | arch = next; | |
9103f4f4 | 12905 | } |
293f5f65 L |
12906 | while (next != NULL); |
12907 | free (saved); | |
9103f4f4 L |
12908 | break; |
12909 | ||
12910 | case OPTION_MTUNE: | |
12911 | if (*arg == '.') | |
2b5d6a91 | 12912 | as_fatal (_("invalid -mtune= option: `%s'"), arg); |
91d6fa6a | 12913 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) |
9103f4f4 | 12914 | { |
91d6fa6a | 12915 | if (strcmp (arg, cpu_arch [j].name) == 0) |
9103f4f4 | 12916 | { |
ccc9c027 | 12917 | cpu_arch_tune_set = 1; |
91d6fa6a NC |
12918 | cpu_arch_tune = cpu_arch [j].type; |
12919 | cpu_arch_tune_flags = cpu_arch[j].flags; | |
9103f4f4 L |
12920 | break; |
12921 | } | |
12922 | } | |
91d6fa6a | 12923 | if (j >= ARRAY_SIZE (cpu_arch)) |
2b5d6a91 | 12924 | as_fatal (_("invalid -mtune= option: `%s'"), arg); |
9103f4f4 L |
12925 | break; |
12926 | ||
1efbbeb4 L |
12927 | case OPTION_MMNEMONIC: |
12928 | if (strcasecmp (arg, "att") == 0) | |
12929 | intel_mnemonic = 0; | |
12930 | else if (strcasecmp (arg, "intel") == 0) | |
12931 | intel_mnemonic = 1; | |
12932 | else | |
2b5d6a91 | 12933 | as_fatal (_("invalid -mmnemonic= option: `%s'"), arg); |
1efbbeb4 L |
12934 | break; |
12935 | ||
12936 | case OPTION_MSYNTAX: | |
12937 | if (strcasecmp (arg, "att") == 0) | |
12938 | intel_syntax = 0; | |
12939 | else if (strcasecmp (arg, "intel") == 0) | |
12940 | intel_syntax = 1; | |
12941 | else | |
2b5d6a91 | 12942 | as_fatal (_("invalid -msyntax= option: `%s'"), arg); |
1efbbeb4 L |
12943 | break; |
12944 | ||
12945 | case OPTION_MINDEX_REG: | |
12946 | allow_index_reg = 1; | |
12947 | break; | |
12948 | ||
12949 | case OPTION_MNAKED_REG: | |
12950 | allow_naked_reg = 1; | |
12951 | break; | |
12952 | ||
c0f3af97 L |
12953 | case OPTION_MSSE2AVX: |
12954 | sse2avx = 1; | |
12955 | break; | |
12956 | ||
daf50ae7 L |
12957 | case OPTION_MSSE_CHECK: |
12958 | if (strcasecmp (arg, "error") == 0) | |
7bab8ab5 | 12959 | sse_check = check_error; |
daf50ae7 | 12960 | else if (strcasecmp (arg, "warning") == 0) |
7bab8ab5 | 12961 | sse_check = check_warning; |
daf50ae7 | 12962 | else if (strcasecmp (arg, "none") == 0) |
7bab8ab5 | 12963 | sse_check = check_none; |
daf50ae7 | 12964 | else |
2b5d6a91 | 12965 | as_fatal (_("invalid -msse-check= option: `%s'"), arg); |
daf50ae7 L |
12966 | break; |
12967 | ||
7bab8ab5 JB |
12968 | case OPTION_MOPERAND_CHECK: |
12969 | if (strcasecmp (arg, "error") == 0) | |
12970 | operand_check = check_error; | |
12971 | else if (strcasecmp (arg, "warning") == 0) | |
12972 | operand_check = check_warning; | |
12973 | else if (strcasecmp (arg, "none") == 0) | |
12974 | operand_check = check_none; | |
12975 | else | |
12976 | as_fatal (_("invalid -moperand-check= option: `%s'"), arg); | |
12977 | break; | |
12978 | ||
539f890d L |
12979 | case OPTION_MAVXSCALAR: |
12980 | if (strcasecmp (arg, "128") == 0) | |
12981 | avxscalar = vex128; | |
12982 | else if (strcasecmp (arg, "256") == 0) | |
12983 | avxscalar = vex256; | |
12984 | else | |
2b5d6a91 | 12985 | as_fatal (_("invalid -mavxscalar= option: `%s'"), arg); |
539f890d L |
12986 | break; |
12987 | ||
03751133 L |
12988 | case OPTION_MVEXWIG: |
12989 | if (strcmp (arg, "0") == 0) | |
40c9c8de | 12990 | vexwig = vexw0; |
03751133 | 12991 | else if (strcmp (arg, "1") == 0) |
40c9c8de | 12992 | vexwig = vexw1; |
03751133 L |
12993 | else |
12994 | as_fatal (_("invalid -mvexwig= option: `%s'"), arg); | |
12995 | break; | |
12996 | ||
7e8b059b L |
12997 | case OPTION_MADD_BND_PREFIX: |
12998 | add_bnd_prefix = 1; | |
12999 | break; | |
13000 | ||
43234a1e L |
13001 | case OPTION_MEVEXLIG: |
13002 | if (strcmp (arg, "128") == 0) | |
13003 | evexlig = evexl128; | |
13004 | else if (strcmp (arg, "256") == 0) | |
13005 | evexlig = evexl256; | |
13006 | else if (strcmp (arg, "512") == 0) | |
13007 | evexlig = evexl512; | |
13008 | else | |
13009 | as_fatal (_("invalid -mevexlig= option: `%s'"), arg); | |
13010 | break; | |
13011 | ||
d3d3c6db IT |
13012 | case OPTION_MEVEXRCIG: |
13013 | if (strcmp (arg, "rne") == 0) | |
13014 | evexrcig = rne; | |
13015 | else if (strcmp (arg, "rd") == 0) | |
13016 | evexrcig = rd; | |
13017 | else if (strcmp (arg, "ru") == 0) | |
13018 | evexrcig = ru; | |
13019 | else if (strcmp (arg, "rz") == 0) | |
13020 | evexrcig = rz; | |
13021 | else | |
13022 | as_fatal (_("invalid -mevexrcig= option: `%s'"), arg); | |
13023 | break; | |
13024 | ||
43234a1e L |
13025 | case OPTION_MEVEXWIG: |
13026 | if (strcmp (arg, "0") == 0) | |
13027 | evexwig = evexw0; | |
13028 | else if (strcmp (arg, "1") == 0) | |
13029 | evexwig = evexw1; | |
13030 | else | |
13031 | as_fatal (_("invalid -mevexwig= option: `%s'"), arg); | |
13032 | break; | |
13033 | ||
167ad85b TG |
13034 | # if defined (TE_PE) || defined (TE_PEP) |
13035 | case OPTION_MBIG_OBJ: | |
13036 | use_big_obj = 1; | |
13037 | break; | |
13038 | #endif | |
13039 | ||
d1982f93 | 13040 | case OPTION_MOMIT_LOCK_PREFIX: |
d022bddd IT |
13041 | if (strcasecmp (arg, "yes") == 0) |
13042 | omit_lock_prefix = 1; | |
13043 | else if (strcasecmp (arg, "no") == 0) | |
13044 | omit_lock_prefix = 0; | |
13045 | else | |
13046 | as_fatal (_("invalid -momit-lock-prefix= option: `%s'"), arg); | |
13047 | break; | |
13048 | ||
e4e00185 AS |
13049 | case OPTION_MFENCE_AS_LOCK_ADD: |
13050 | if (strcasecmp (arg, "yes") == 0) | |
13051 | avoid_fence = 1; | |
13052 | else if (strcasecmp (arg, "no") == 0) | |
13053 | avoid_fence = 0; | |
13054 | else | |
13055 | as_fatal (_("invalid -mfence-as-lock-add= option: `%s'"), arg); | |
13056 | break; | |
13057 | ||
ae531041 L |
13058 | case OPTION_MLFENCE_AFTER_LOAD: |
13059 | if (strcasecmp (arg, "yes") == 0) | |
13060 | lfence_after_load = 1; | |
13061 | else if (strcasecmp (arg, "no") == 0) | |
13062 | lfence_after_load = 0; | |
13063 | else | |
13064 | as_fatal (_("invalid -mlfence-after-load= option: `%s'"), arg); | |
13065 | break; | |
13066 | ||
13067 | case OPTION_MLFENCE_BEFORE_INDIRECT_BRANCH: | |
13068 | if (strcasecmp (arg, "all") == 0) | |
a09f656b | 13069 | { |
13070 | lfence_before_indirect_branch = lfence_branch_all; | |
13071 | if (lfence_before_ret == lfence_before_ret_none) | |
13072 | lfence_before_ret = lfence_before_ret_shl; | |
13073 | } | |
ae531041 L |
13074 | else if (strcasecmp (arg, "memory") == 0) |
13075 | lfence_before_indirect_branch = lfence_branch_memory; | |
13076 | else if (strcasecmp (arg, "register") == 0) | |
13077 | lfence_before_indirect_branch = lfence_branch_register; | |
13078 | else if (strcasecmp (arg, "none") == 0) | |
13079 | lfence_before_indirect_branch = lfence_branch_none; | |
13080 | else | |
13081 | as_fatal (_("invalid -mlfence-before-indirect-branch= option: `%s'"), | |
13082 | arg); | |
13083 | break; | |
13084 | ||
13085 | case OPTION_MLFENCE_BEFORE_RET: | |
13086 | if (strcasecmp (arg, "or") == 0) | |
13087 | lfence_before_ret = lfence_before_ret_or; | |
13088 | else if (strcasecmp (arg, "not") == 0) | |
13089 | lfence_before_ret = lfence_before_ret_not; | |
a09f656b | 13090 | else if (strcasecmp (arg, "shl") == 0 || strcasecmp (arg, "yes") == 0) |
13091 | lfence_before_ret = lfence_before_ret_shl; | |
ae531041 L |
13092 | else if (strcasecmp (arg, "none") == 0) |
13093 | lfence_before_ret = lfence_before_ret_none; | |
13094 | else | |
13095 | as_fatal (_("invalid -mlfence-before-ret= option: `%s'"), | |
13096 | arg); | |
13097 | break; | |
13098 | ||
0cb4071e L |
13099 | case OPTION_MRELAX_RELOCATIONS: |
13100 | if (strcasecmp (arg, "yes") == 0) | |
13101 | generate_relax_relocations = 1; | |
13102 | else if (strcasecmp (arg, "no") == 0) | |
13103 | generate_relax_relocations = 0; | |
13104 | else | |
13105 | as_fatal (_("invalid -mrelax-relocations= option: `%s'"), arg); | |
13106 | break; | |
13107 | ||
e379e5f3 L |
13108 | case OPTION_MALIGN_BRANCH_BOUNDARY: |
13109 | { | |
13110 | char *end; | |
13111 | long int align = strtoul (arg, &end, 0); | |
13112 | if (*end == '\0') | |
13113 | { | |
13114 | if (align == 0) | |
13115 | { | |
13116 | align_branch_power = 0; | |
13117 | break; | |
13118 | } | |
13119 | else if (align >= 16) | |
13120 | { | |
13121 | int align_power; | |
13122 | for (align_power = 0; | |
13123 | (align & 1) == 0; | |
13124 | align >>= 1, align_power++) | |
13125 | continue; | |
13126 | /* Limit alignment power to 31. */ | |
13127 | if (align == 1 && align_power < 32) | |
13128 | { | |
13129 | align_branch_power = align_power; | |
13130 | break; | |
13131 | } | |
13132 | } | |
13133 | } | |
13134 | as_fatal (_("invalid -malign-branch-boundary= value: %s"), arg); | |
13135 | } | |
13136 | break; | |
13137 | ||
13138 | case OPTION_MALIGN_BRANCH_PREFIX_SIZE: | |
13139 | { | |
13140 | char *end; | |
13141 | int align = strtoul (arg, &end, 0); | |
13142 | /* Some processors only support 5 prefixes. */ | |
13143 | if (*end == '\0' && align >= 0 && align < 6) | |
13144 | { | |
13145 | align_branch_prefix_size = align; | |
13146 | break; | |
13147 | } | |
13148 | as_fatal (_("invalid -malign-branch-prefix-size= value: %s"), | |
13149 | arg); | |
13150 | } | |
13151 | break; | |
13152 | ||
13153 | case OPTION_MALIGN_BRANCH: | |
13154 | align_branch = 0; | |
13155 | saved = xstrdup (arg); | |
13156 | type = saved; | |
13157 | do | |
13158 | { | |
13159 | next = strchr (type, '+'); | |
13160 | if (next) | |
13161 | *next++ = '\0'; | |
13162 | if (strcasecmp (type, "jcc") == 0) | |
13163 | align_branch |= align_branch_jcc_bit; | |
13164 | else if (strcasecmp (type, "fused") == 0) | |
13165 | align_branch |= align_branch_fused_bit; | |
13166 | else if (strcasecmp (type, "jmp") == 0) | |
13167 | align_branch |= align_branch_jmp_bit; | |
13168 | else if (strcasecmp (type, "call") == 0) | |
13169 | align_branch |= align_branch_call_bit; | |
13170 | else if (strcasecmp (type, "ret") == 0) | |
13171 | align_branch |= align_branch_ret_bit; | |
13172 | else if (strcasecmp (type, "indirect") == 0) | |
13173 | align_branch |= align_branch_indirect_bit; | |
13174 | else | |
13175 | as_fatal (_("invalid -malign-branch= option: `%s'"), arg); | |
13176 | type = next; | |
13177 | } | |
13178 | while (next != NULL); | |
13179 | free (saved); | |
13180 | break; | |
13181 | ||
76cf450b L |
13182 | case OPTION_MBRANCHES_WITH_32B_BOUNDARIES: |
13183 | align_branch_power = 5; | |
13184 | align_branch_prefix_size = 5; | |
13185 | align_branch = (align_branch_jcc_bit | |
13186 | | align_branch_fused_bit | |
13187 | | align_branch_jmp_bit); | |
13188 | break; | |
13189 | ||
5db04b09 | 13190 | case OPTION_MAMD64: |
4b5aaf5f | 13191 | isa64 = amd64; |
5db04b09 L |
13192 | break; |
13193 | ||
13194 | case OPTION_MINTEL64: | |
4b5aaf5f | 13195 | isa64 = intel64; |
5db04b09 L |
13196 | break; |
13197 | ||
b6f8c7c4 L |
13198 | case 'O': |
13199 | if (arg == NULL) | |
13200 | { | |
13201 | optimize = 1; | |
13202 | /* Turn off -Os. */ | |
13203 | optimize_for_space = 0; | |
13204 | } | |
13205 | else if (*arg == 's') | |
13206 | { | |
13207 | optimize_for_space = 1; | |
13208 | /* Turn on all encoding optimizations. */ | |
41fd2579 | 13209 | optimize = INT_MAX; |
b6f8c7c4 L |
13210 | } |
13211 | else | |
13212 | { | |
13213 | optimize = atoi (arg); | |
13214 | /* Turn off -Os. */ | |
13215 | optimize_for_space = 0; | |
13216 | } | |
13217 | break; | |
13218 | ||
252b5132 RH |
13219 | default: |
13220 | return 0; | |
13221 | } | |
13222 | return 1; | |
13223 | } | |
13224 | ||
8a2c8fef L |
13225 | #define MESSAGE_TEMPLATE \ |
13226 | " " | |
13227 | ||
293f5f65 L |
13228 | static char * |
13229 | output_message (FILE *stream, char *p, char *message, char *start, | |
13230 | int *left_p, const char *name, int len) | |
13231 | { | |
13232 | int size = sizeof (MESSAGE_TEMPLATE); | |
13233 | int left = *left_p; | |
13234 | ||
13235 | /* Reserve 2 spaces for ", " or ",\0" */ | |
13236 | left -= len + 2; | |
13237 | ||
13238 | /* Check if there is any room. */ | |
13239 | if (left >= 0) | |
13240 | { | |
13241 | if (p != start) | |
13242 | { | |
13243 | *p++ = ','; | |
13244 | *p++ = ' '; | |
13245 | } | |
13246 | p = mempcpy (p, name, len); | |
13247 | } | |
13248 | else | |
13249 | { | |
13250 | /* Output the current message now and start a new one. */ | |
13251 | *p++ = ','; | |
13252 | *p = '\0'; | |
13253 | fprintf (stream, "%s\n", message); | |
13254 | p = start; | |
13255 | left = size - (start - message) - len - 2; | |
13256 | ||
13257 | gas_assert (left >= 0); | |
13258 | ||
13259 | p = mempcpy (p, name, len); | |
13260 | } | |
13261 | ||
13262 | *left_p = left; | |
13263 | return p; | |
13264 | } | |
13265 | ||
8a2c8fef | 13266 | static void |
1ded5609 | 13267 | show_arch (FILE *stream, int ext, int check) |
8a2c8fef L |
13268 | { |
13269 | static char message[] = MESSAGE_TEMPLATE; | |
13270 | char *start = message + 27; | |
13271 | char *p; | |
13272 | int size = sizeof (MESSAGE_TEMPLATE); | |
13273 | int left; | |
13274 | const char *name; | |
13275 | int len; | |
13276 | unsigned int j; | |
13277 | ||
13278 | p = start; | |
13279 | left = size - (start - message); | |
13280 | for (j = 0; j < ARRAY_SIZE (cpu_arch); j++) | |
13281 | { | |
13282 | /* Should it be skipped? */ | |
13283 | if (cpu_arch [j].skip) | |
13284 | continue; | |
13285 | ||
13286 | name = cpu_arch [j].name; | |
13287 | len = cpu_arch [j].len; | |
13288 | if (*name == '.') | |
13289 | { | |
13290 | /* It is an extension. Skip if we aren't asked to show it. */ | |
13291 | if (ext) | |
13292 | { | |
13293 | name++; | |
13294 | len--; | |
13295 | } | |
13296 | else | |
13297 | continue; | |
13298 | } | |
13299 | else if (ext) | |
13300 | { | |
13301 | /* It is an processor. Skip if we show only extension. */ | |
13302 | continue; | |
13303 | } | |
1ded5609 JB |
13304 | else if (check && ! cpu_arch[j].flags.bitfield.cpui386) |
13305 | { | |
13306 | /* It is an impossible processor - skip. */ | |
13307 | continue; | |
13308 | } | |
8a2c8fef | 13309 | |
293f5f65 | 13310 | p = output_message (stream, p, message, start, &left, name, len); |
8a2c8fef L |
13311 | } |
13312 | ||
293f5f65 L |
13313 | /* Display disabled extensions. */ |
13314 | if (ext) | |
13315 | for (j = 0; j < ARRAY_SIZE (cpu_noarch); j++) | |
13316 | { | |
13317 | name = cpu_noarch [j].name; | |
13318 | len = cpu_noarch [j].len; | |
13319 | p = output_message (stream, p, message, start, &left, name, | |
13320 | len); | |
13321 | } | |
13322 | ||
8a2c8fef L |
13323 | *p = '\0'; |
13324 | fprintf (stream, "%s\n", message); | |
13325 | } | |
13326 | ||
252b5132 | 13327 | void |
8a2c8fef | 13328 | md_show_usage (FILE *stream) |
252b5132 | 13329 | { |
4cc782b5 ILT |
13330 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
13331 | fprintf (stream, _("\ | |
d4693039 | 13332 | -Qy, -Qn ignored\n\ |
a38cf1db | 13333 | -V print assembler version number\n\ |
b3b91714 AM |
13334 | -k ignored\n")); |
13335 | #endif | |
13336 | fprintf (stream, _("\ | |
12b55ccc | 13337 | -n Do not optimize code alignment\n\ |
b3b91714 AM |
13338 | -q quieten some warnings\n")); |
13339 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
13340 | fprintf (stream, _("\ | |
a38cf1db | 13341 | -s ignored\n")); |
b3b91714 | 13342 | #endif |
d7f449c0 L |
13343 | #if defined BFD64 && (defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
13344 | || defined (TE_PE) || defined (TE_PEP)) | |
751d281c | 13345 | fprintf (stream, _("\ |
570561f7 | 13346 | --32/--64/--x32 generate 32bit/64bit/x32 code\n")); |
751d281c | 13347 | #endif |
b3b91714 AM |
13348 | #ifdef SVR4_COMMENT_CHARS |
13349 | fprintf (stream, _("\ | |
13350 | --divide do not treat `/' as a comment character\n")); | |
a38cf1db AM |
13351 | #else |
13352 | fprintf (stream, _("\ | |
b3b91714 | 13353 | --divide ignored\n")); |
4cc782b5 | 13354 | #endif |
9103f4f4 | 13355 | fprintf (stream, _("\ |
6305a203 | 13356 | -march=CPU[,+EXTENSION...]\n\ |
8a2c8fef | 13357 | generate code for CPU and EXTENSION, CPU is one of:\n")); |
1ded5609 | 13358 | show_arch (stream, 0, 1); |
8a2c8fef L |
13359 | fprintf (stream, _("\ |
13360 | EXTENSION is combination of:\n")); | |
1ded5609 | 13361 | show_arch (stream, 1, 0); |
6305a203 | 13362 | fprintf (stream, _("\ |
8a2c8fef | 13363 | -mtune=CPU optimize for CPU, CPU is one of:\n")); |
1ded5609 | 13364 | show_arch (stream, 0, 0); |
ba104c83 | 13365 | fprintf (stream, _("\ |
c0f3af97 L |
13366 | -msse2avx encode SSE instructions with VEX prefix\n")); |
13367 | fprintf (stream, _("\ | |
7c5c05ef | 13368 | -msse-check=[none|error|warning] (default: warning)\n\ |
daf50ae7 L |
13369 | check SSE instructions\n")); |
13370 | fprintf (stream, _("\ | |
7c5c05ef | 13371 | -moperand-check=[none|error|warning] (default: warning)\n\ |
7bab8ab5 JB |
13372 | check operand combinations for validity\n")); |
13373 | fprintf (stream, _("\ | |
7c5c05ef L |
13374 | -mavxscalar=[128|256] (default: 128)\n\ |
13375 | encode scalar AVX instructions with specific vector\n\ | |
539f890d L |
13376 | length\n")); |
13377 | fprintf (stream, _("\ | |
03751133 L |
13378 | -mvexwig=[0|1] (default: 0)\n\ |
13379 | encode VEX instructions with specific VEX.W value\n\ | |
13380 | for VEX.W bit ignored instructions\n")); | |
13381 | fprintf (stream, _("\ | |
7c5c05ef L |
13382 | -mevexlig=[128|256|512] (default: 128)\n\ |
13383 | encode scalar EVEX instructions with specific vector\n\ | |
43234a1e L |
13384 | length\n")); |
13385 | fprintf (stream, _("\ | |
7c5c05ef L |
13386 | -mevexwig=[0|1] (default: 0)\n\ |
13387 | encode EVEX instructions with specific EVEX.W value\n\ | |
43234a1e L |
13388 | for EVEX.W bit ignored instructions\n")); |
13389 | fprintf (stream, _("\ | |
7c5c05ef | 13390 | -mevexrcig=[rne|rd|ru|rz] (default: rne)\n\ |
d3d3c6db IT |
13391 | encode EVEX instructions with specific EVEX.RC value\n\ |
13392 | for SAE-only ignored instructions\n")); | |
13393 | fprintf (stream, _("\ | |
7c5c05ef L |
13394 | -mmnemonic=[att|intel] ")); |
13395 | if (SYSV386_COMPAT) | |
13396 | fprintf (stream, _("(default: att)\n")); | |
13397 | else | |
13398 | fprintf (stream, _("(default: intel)\n")); | |
13399 | fprintf (stream, _("\ | |
13400 | use AT&T/Intel mnemonic\n")); | |
ba104c83 | 13401 | fprintf (stream, _("\ |
7c5c05ef L |
13402 | -msyntax=[att|intel] (default: att)\n\ |
13403 | use AT&T/Intel syntax\n")); | |
ba104c83 L |
13404 | fprintf (stream, _("\ |
13405 | -mindex-reg support pseudo index registers\n")); | |
13406 | fprintf (stream, _("\ | |
13407 | -mnaked-reg don't require `%%' prefix for registers\n")); | |
13408 | fprintf (stream, _("\ | |
7e8b059b | 13409 | -madd-bnd-prefix add BND prefix for all valid branches\n")); |
b4a3a7b4 | 13410 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8dcea932 L |
13411 | fprintf (stream, _("\ |
13412 | -mshared disable branch optimization for shared code\n")); | |
b4a3a7b4 L |
13413 | fprintf (stream, _("\ |
13414 | -mx86-used-note=[no|yes] ")); | |
13415 | if (DEFAULT_X86_USED_NOTE) | |
13416 | fprintf (stream, _("(default: yes)\n")); | |
13417 | else | |
13418 | fprintf (stream, _("(default: no)\n")); | |
13419 | fprintf (stream, _("\ | |
13420 | generate x86 used ISA and feature properties\n")); | |
13421 | #endif | |
13422 | #if defined (TE_PE) || defined (TE_PEP) | |
167ad85b TG |
13423 | fprintf (stream, _("\ |
13424 | -mbig-obj generate big object files\n")); | |
13425 | #endif | |
d022bddd | 13426 | fprintf (stream, _("\ |
7c5c05ef | 13427 | -momit-lock-prefix=[no|yes] (default: no)\n\ |
d022bddd | 13428 | strip all lock prefixes\n")); |
5db04b09 | 13429 | fprintf (stream, _("\ |
7c5c05ef | 13430 | -mfence-as-lock-add=[no|yes] (default: no)\n\ |
e4e00185 AS |
13431 | encode lfence, mfence and sfence as\n\ |
13432 | lock addl $0x0, (%%{re}sp)\n")); | |
13433 | fprintf (stream, _("\ | |
7c5c05ef L |
13434 | -mrelax-relocations=[no|yes] ")); |
13435 | if (DEFAULT_GENERATE_X86_RELAX_RELOCATIONS) | |
13436 | fprintf (stream, _("(default: yes)\n")); | |
13437 | else | |
13438 | fprintf (stream, _("(default: no)\n")); | |
13439 | fprintf (stream, _("\ | |
0cb4071e L |
13440 | generate relax relocations\n")); |
13441 | fprintf (stream, _("\ | |
e379e5f3 L |
13442 | -malign-branch-boundary=NUM (default: 0)\n\ |
13443 | align branches within NUM byte boundary\n")); | |
13444 | fprintf (stream, _("\ | |
13445 | -malign-branch=TYPE[+TYPE...] (default: jcc+fused+jmp)\n\ | |
13446 | TYPE is combination of jcc, fused, jmp, call, ret,\n\ | |
13447 | indirect\n\ | |
13448 | specify types of branches to align\n")); | |
13449 | fprintf (stream, _("\ | |
13450 | -malign-branch-prefix-size=NUM (default: 5)\n\ | |
13451 | align branches with NUM prefixes per instruction\n")); | |
13452 | fprintf (stream, _("\ | |
76cf450b L |
13453 | -mbranches-within-32B-boundaries\n\ |
13454 | align branches within 32 byte boundary\n")); | |
13455 | fprintf (stream, _("\ | |
ae531041 L |
13456 | -mlfence-after-load=[no|yes] (default: no)\n\ |
13457 | generate lfence after load\n")); | |
13458 | fprintf (stream, _("\ | |
13459 | -mlfence-before-indirect-branch=[none|all|register|memory] (default: none)\n\ | |
13460 | generate lfence before indirect near branch\n")); | |
13461 | fprintf (stream, _("\ | |
a09f656b | 13462 | -mlfence-before-ret=[none|or|not|shl|yes] (default: none)\n\ |
ae531041 L |
13463 | generate lfence before ret\n")); |
13464 | fprintf (stream, _("\ | |
7c5c05ef | 13465 | -mamd64 accept only AMD64 ISA [default]\n")); |
5db04b09 L |
13466 | fprintf (stream, _("\ |
13467 | -mintel64 accept only Intel64 ISA\n")); | |
252b5132 RH |
13468 | } |
13469 | ||
3e73aa7c | 13470 | #if ((defined (OBJ_MAYBE_COFF) && defined (OBJ_MAYBE_AOUT)) \ |
321098a5 | 13471 | || defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) \ |
e57f8c65 | 13472 | || defined (TE_PE) || defined (TE_PEP) || defined (OBJ_MACH_O)) |
252b5132 RH |
13473 | |
13474 | /* Pick the target format to use. */ | |
13475 | ||
47926f60 | 13476 | const char * |
e3bb37b5 | 13477 | i386_target_format (void) |
252b5132 | 13478 | { |
351f65ca L |
13479 | if (!strncmp (default_arch, "x86_64", 6)) |
13480 | { | |
13481 | update_code_flag (CODE_64BIT, 1); | |
13482 | if (default_arch[6] == '\0') | |
7f56bc95 | 13483 | x86_elf_abi = X86_64_ABI; |
351f65ca | 13484 | else |
7f56bc95 | 13485 | x86_elf_abi = X86_64_X32_ABI; |
351f65ca | 13486 | } |
3e73aa7c | 13487 | else if (!strcmp (default_arch, "i386")) |
78f12dd3 | 13488 | update_code_flag (CODE_32BIT, 1); |
5197d474 L |
13489 | else if (!strcmp (default_arch, "iamcu")) |
13490 | { | |
13491 | update_code_flag (CODE_32BIT, 1); | |
13492 | if (cpu_arch_isa == PROCESSOR_UNKNOWN) | |
13493 | { | |
13494 | static const i386_cpu_flags iamcu_flags = CPU_IAMCU_FLAGS; | |
13495 | cpu_arch_name = "iamcu"; | |
13496 | cpu_sub_arch_name = NULL; | |
13497 | cpu_arch_flags = iamcu_flags; | |
13498 | cpu_arch_isa = PROCESSOR_IAMCU; | |
13499 | cpu_arch_isa_flags = iamcu_flags; | |
13500 | if (!cpu_arch_tune_set) | |
13501 | { | |
13502 | cpu_arch_tune = cpu_arch_isa; | |
13503 | cpu_arch_tune_flags = cpu_arch_isa_flags; | |
13504 | } | |
13505 | } | |
8d471ec1 | 13506 | else if (cpu_arch_isa != PROCESSOR_IAMCU) |
5197d474 L |
13507 | as_fatal (_("Intel MCU doesn't support `%s' architecture"), |
13508 | cpu_arch_name); | |
13509 | } | |
3e73aa7c | 13510 | else |
2b5d6a91 | 13511 | as_fatal (_("unknown architecture")); |
89507696 JB |
13512 | |
13513 | if (cpu_flags_all_zero (&cpu_arch_isa_flags)) | |
13514 | cpu_arch_isa_flags = cpu_arch[flag_code == CODE_64BIT].flags; | |
13515 | if (cpu_flags_all_zero (&cpu_arch_tune_flags)) | |
13516 | cpu_arch_tune_flags = cpu_arch[flag_code == CODE_64BIT].flags; | |
13517 | ||
252b5132 RH |
13518 | switch (OUTPUT_FLAVOR) |
13519 | { | |
9384f2ff | 13520 | #if defined (OBJ_MAYBE_AOUT) || defined (OBJ_AOUT) |
4c63da97 | 13521 | case bfd_target_aout_flavour: |
47926f60 | 13522 | return AOUT_TARGET_FORMAT; |
4c63da97 | 13523 | #endif |
9384f2ff AM |
13524 | #if defined (OBJ_MAYBE_COFF) || defined (OBJ_COFF) |
13525 | # if defined (TE_PE) || defined (TE_PEP) | |
13526 | case bfd_target_coff_flavour: | |
167ad85b TG |
13527 | if (flag_code == CODE_64BIT) |
13528 | return use_big_obj ? "pe-bigobj-x86-64" : "pe-x86-64"; | |
13529 | else | |
251dae91 | 13530 | return use_big_obj ? "pe-bigobj-i386" : "pe-i386"; |
9384f2ff | 13531 | # elif defined (TE_GO32) |
0561d57c JK |
13532 | case bfd_target_coff_flavour: |
13533 | return "coff-go32"; | |
9384f2ff | 13534 | # else |
252b5132 RH |
13535 | case bfd_target_coff_flavour: |
13536 | return "coff-i386"; | |
9384f2ff | 13537 | # endif |
4c63da97 | 13538 | #endif |
3e73aa7c | 13539 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) |
252b5132 | 13540 | case bfd_target_elf_flavour: |
3e73aa7c | 13541 | { |
351f65ca L |
13542 | const char *format; |
13543 | ||
13544 | switch (x86_elf_abi) | |
4fa24527 | 13545 | { |
351f65ca L |
13546 | default: |
13547 | format = ELF_TARGET_FORMAT; | |
e379e5f3 L |
13548 | #ifndef TE_SOLARIS |
13549 | tls_get_addr = "___tls_get_addr"; | |
13550 | #endif | |
351f65ca | 13551 | break; |
7f56bc95 | 13552 | case X86_64_ABI: |
351f65ca | 13553 | use_rela_relocations = 1; |
4fa24527 | 13554 | object_64bit = 1; |
e379e5f3 L |
13555 | #ifndef TE_SOLARIS |
13556 | tls_get_addr = "__tls_get_addr"; | |
13557 | #endif | |
351f65ca L |
13558 | format = ELF_TARGET_FORMAT64; |
13559 | break; | |
7f56bc95 | 13560 | case X86_64_X32_ABI: |
4fa24527 | 13561 | use_rela_relocations = 1; |
351f65ca | 13562 | object_64bit = 1; |
e379e5f3 L |
13563 | #ifndef TE_SOLARIS |
13564 | tls_get_addr = "__tls_get_addr"; | |
13565 | #endif | |
862be3fb | 13566 | disallow_64bit_reloc = 1; |
351f65ca L |
13567 | format = ELF_TARGET_FORMAT32; |
13568 | break; | |
4fa24527 | 13569 | } |
3632d14b | 13570 | if (cpu_arch_isa == PROCESSOR_L1OM) |
8a9036a4 | 13571 | { |
7f56bc95 | 13572 | if (x86_elf_abi != X86_64_ABI) |
8a9036a4 L |
13573 | as_fatal (_("Intel L1OM is 64bit only")); |
13574 | return ELF_TARGET_L1OM_FORMAT; | |
13575 | } | |
b49f93f6 | 13576 | else if (cpu_arch_isa == PROCESSOR_K1OM) |
7a9068fe L |
13577 | { |
13578 | if (x86_elf_abi != X86_64_ABI) | |
13579 | as_fatal (_("Intel K1OM is 64bit only")); | |
13580 | return ELF_TARGET_K1OM_FORMAT; | |
13581 | } | |
81486035 L |
13582 | else if (cpu_arch_isa == PROCESSOR_IAMCU) |
13583 | { | |
13584 | if (x86_elf_abi != I386_ABI) | |
13585 | as_fatal (_("Intel MCU is 32bit only")); | |
13586 | return ELF_TARGET_IAMCU_FORMAT; | |
13587 | } | |
8a9036a4 | 13588 | else |
351f65ca | 13589 | return format; |
3e73aa7c | 13590 | } |
e57f8c65 TG |
13591 | #endif |
13592 | #if defined (OBJ_MACH_O) | |
13593 | case bfd_target_mach_o_flavour: | |
d382c579 TG |
13594 | if (flag_code == CODE_64BIT) |
13595 | { | |
13596 | use_rela_relocations = 1; | |
13597 | object_64bit = 1; | |
13598 | return "mach-o-x86-64"; | |
13599 | } | |
13600 | else | |
13601 | return "mach-o-i386"; | |
4c63da97 | 13602 | #endif |
252b5132 RH |
13603 | default: |
13604 | abort (); | |
13605 | return NULL; | |
13606 | } | |
13607 | } | |
13608 | ||
47926f60 | 13609 | #endif /* OBJ_MAYBE_ more than one */ |
252b5132 | 13610 | \f |
252b5132 | 13611 | symbolS * |
7016a5d5 | 13612 | md_undefined_symbol (char *name) |
252b5132 | 13613 | { |
18dc2407 ILT |
13614 | if (name[0] == GLOBAL_OFFSET_TABLE_NAME[0] |
13615 | && name[1] == GLOBAL_OFFSET_TABLE_NAME[1] | |
13616 | && name[2] == GLOBAL_OFFSET_TABLE_NAME[2] | |
13617 | && strcmp (name, GLOBAL_OFFSET_TABLE_NAME) == 0) | |
24eab124 AM |
13618 | { |
13619 | if (!GOT_symbol) | |
13620 | { | |
13621 | if (symbol_find (name)) | |
13622 | as_bad (_("GOT already in symbol table")); | |
13623 | GOT_symbol = symbol_new (name, undefined_section, | |
13624 | (valueT) 0, &zero_address_frag); | |
13625 | }; | |
13626 | return GOT_symbol; | |
13627 | } | |
252b5132 RH |
13628 | return 0; |
13629 | } | |
13630 | ||
13631 | /* Round up a section size to the appropriate boundary. */ | |
47926f60 | 13632 | |
252b5132 | 13633 | valueT |
7016a5d5 | 13634 | md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size) |
252b5132 | 13635 | { |
4c63da97 AM |
13636 | #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT)) |
13637 | if (OUTPUT_FLAVOR == bfd_target_aout_flavour) | |
13638 | { | |
13639 | /* For a.out, force the section size to be aligned. If we don't do | |
13640 | this, BFD will align it for us, but it will not write out the | |
13641 | final bytes of the section. This may be a bug in BFD, but it is | |
13642 | easier to fix it here since that is how the other a.out targets | |
13643 | work. */ | |
13644 | int align; | |
13645 | ||
fd361982 | 13646 | align = bfd_section_alignment (segment); |
8d3842cd | 13647 | size = ((size + (1 << align) - 1) & (-((valueT) 1 << align))); |
4c63da97 | 13648 | } |
252b5132 RH |
13649 | #endif |
13650 | ||
13651 | return size; | |
13652 | } | |
13653 | ||
13654 | /* On the i386, PC-relative offsets are relative to the start of the | |
13655 | next instruction. That is, the address of the offset, plus its | |
13656 | size, since the offset is always the last part of the insn. */ | |
13657 | ||
13658 | long | |
e3bb37b5 | 13659 | md_pcrel_from (fixS *fixP) |
252b5132 RH |
13660 | { |
13661 | return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address; | |
13662 | } | |
13663 | ||
13664 | #ifndef I386COFF | |
13665 | ||
13666 | static void | |
e3bb37b5 | 13667 | s_bss (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 13668 | { |
29b0f896 | 13669 | int temp; |
252b5132 | 13670 | |
8a75718c JB |
13671 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
13672 | if (IS_ELF) | |
13673 | obj_elf_section_change_hook (); | |
13674 | #endif | |
252b5132 RH |
13675 | temp = get_absolute_expression (); |
13676 | subseg_set (bss_section, (subsegT) temp); | |
13677 | demand_empty_rest_of_line (); | |
13678 | } | |
13679 | ||
13680 | #endif | |
13681 | ||
e379e5f3 L |
13682 | /* Remember constant directive. */ |
13683 | ||
13684 | void | |
13685 | i386_cons_align (int ignore ATTRIBUTE_UNUSED) | |
13686 | { | |
13687 | if (last_insn.kind != last_insn_directive | |
13688 | && (bfd_section_flags (now_seg) & SEC_CODE)) | |
13689 | { | |
13690 | last_insn.seg = now_seg; | |
13691 | last_insn.kind = last_insn_directive; | |
13692 | last_insn.name = "constant directive"; | |
13693 | last_insn.file = as_where (&last_insn.line); | |
ae531041 L |
13694 | if (lfence_before_ret != lfence_before_ret_none) |
13695 | { | |
13696 | if (lfence_before_indirect_branch != lfence_branch_none) | |
13697 | as_warn (_("constant directive skips -mlfence-before-ret " | |
13698 | "and -mlfence-before-indirect-branch")); | |
13699 | else | |
13700 | as_warn (_("constant directive skips -mlfence-before-ret")); | |
13701 | } | |
13702 | else if (lfence_before_indirect_branch != lfence_branch_none) | |
13703 | as_warn (_("constant directive skips -mlfence-before-indirect-branch")); | |
e379e5f3 L |
13704 | } |
13705 | } | |
13706 | ||
252b5132 | 13707 | void |
e3bb37b5 | 13708 | i386_validate_fix (fixS *fixp) |
252b5132 | 13709 | { |
02a86693 | 13710 | if (fixp->fx_subsy) |
252b5132 | 13711 | { |
02a86693 | 13712 | if (fixp->fx_subsy == GOT_symbol) |
23df1078 | 13713 | { |
02a86693 L |
13714 | if (fixp->fx_r_type == BFD_RELOC_32_PCREL) |
13715 | { | |
13716 | if (!object_64bit) | |
13717 | abort (); | |
13718 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
13719 | if (fixp->fx_tcbit2) | |
56ceb5b5 L |
13720 | fixp->fx_r_type = (fixp->fx_tcbit |
13721 | ? BFD_RELOC_X86_64_REX_GOTPCRELX | |
13722 | : BFD_RELOC_X86_64_GOTPCRELX); | |
02a86693 L |
13723 | else |
13724 | #endif | |
13725 | fixp->fx_r_type = BFD_RELOC_X86_64_GOTPCREL; | |
13726 | } | |
d6ab8113 | 13727 | else |
02a86693 L |
13728 | { |
13729 | if (!object_64bit) | |
13730 | fixp->fx_r_type = BFD_RELOC_386_GOTOFF; | |
13731 | else | |
13732 | fixp->fx_r_type = BFD_RELOC_X86_64_GOTOFF64; | |
13733 | } | |
13734 | fixp->fx_subsy = 0; | |
23df1078 | 13735 | } |
252b5132 | 13736 | } |
02a86693 L |
13737 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
13738 | else if (!object_64bit) | |
13739 | { | |
13740 | if (fixp->fx_r_type == BFD_RELOC_386_GOT32 | |
13741 | && fixp->fx_tcbit2) | |
13742 | fixp->fx_r_type = BFD_RELOC_386_GOT32X; | |
13743 | } | |
13744 | #endif | |
252b5132 RH |
13745 | } |
13746 | ||
252b5132 | 13747 | arelent * |
7016a5d5 | 13748 | tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
13749 | { |
13750 | arelent *rel; | |
13751 | bfd_reloc_code_real_type code; | |
13752 | ||
13753 | switch (fixp->fx_r_type) | |
13754 | { | |
8ce3d284 | 13755 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) |
8fd4256d L |
13756 | case BFD_RELOC_SIZE32: |
13757 | case BFD_RELOC_SIZE64: | |
13758 | if (S_IS_DEFINED (fixp->fx_addsy) | |
13759 | && !S_IS_EXTERNAL (fixp->fx_addsy)) | |
13760 | { | |
13761 | /* Resolve size relocation against local symbol to size of | |
13762 | the symbol plus addend. */ | |
13763 | valueT value = S_GET_SIZE (fixp->fx_addsy) + fixp->fx_offset; | |
13764 | if (fixp->fx_r_type == BFD_RELOC_SIZE32 | |
13765 | && !fits_in_unsigned_long (value)) | |
13766 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
13767 | _("symbol size computation overflow")); | |
13768 | fixp->fx_addsy = NULL; | |
13769 | fixp->fx_subsy = NULL; | |
13770 | md_apply_fix (fixp, (valueT *) &value, NULL); | |
13771 | return NULL; | |
13772 | } | |
8ce3d284 | 13773 | #endif |
1a0670f3 | 13774 | /* Fall through. */ |
8fd4256d | 13775 | |
3e73aa7c JH |
13776 | case BFD_RELOC_X86_64_PLT32: |
13777 | case BFD_RELOC_X86_64_GOT32: | |
13778 | case BFD_RELOC_X86_64_GOTPCREL: | |
56ceb5b5 L |
13779 | case BFD_RELOC_X86_64_GOTPCRELX: |
13780 | case BFD_RELOC_X86_64_REX_GOTPCRELX: | |
252b5132 RH |
13781 | case BFD_RELOC_386_PLT32: |
13782 | case BFD_RELOC_386_GOT32: | |
02a86693 | 13783 | case BFD_RELOC_386_GOT32X: |
252b5132 RH |
13784 | case BFD_RELOC_386_GOTOFF: |
13785 | case BFD_RELOC_386_GOTPC: | |
13ae64f3 JJ |
13786 | case BFD_RELOC_386_TLS_GD: |
13787 | case BFD_RELOC_386_TLS_LDM: | |
13788 | case BFD_RELOC_386_TLS_LDO_32: | |
13789 | case BFD_RELOC_386_TLS_IE_32: | |
37e55690 JJ |
13790 | case BFD_RELOC_386_TLS_IE: |
13791 | case BFD_RELOC_386_TLS_GOTIE: | |
13ae64f3 JJ |
13792 | case BFD_RELOC_386_TLS_LE_32: |
13793 | case BFD_RELOC_386_TLS_LE: | |
67a4f2b7 AO |
13794 | case BFD_RELOC_386_TLS_GOTDESC: |
13795 | case BFD_RELOC_386_TLS_DESC_CALL: | |
bffbf940 JJ |
13796 | case BFD_RELOC_X86_64_TLSGD: |
13797 | case BFD_RELOC_X86_64_TLSLD: | |
13798 | case BFD_RELOC_X86_64_DTPOFF32: | |
d6ab8113 | 13799 | case BFD_RELOC_X86_64_DTPOFF64: |
bffbf940 JJ |
13800 | case BFD_RELOC_X86_64_GOTTPOFF: |
13801 | case BFD_RELOC_X86_64_TPOFF32: | |
d6ab8113 JB |
13802 | case BFD_RELOC_X86_64_TPOFF64: |
13803 | case BFD_RELOC_X86_64_GOTOFF64: | |
13804 | case BFD_RELOC_X86_64_GOTPC32: | |
7b81dfbb AJ |
13805 | case BFD_RELOC_X86_64_GOT64: |
13806 | case BFD_RELOC_X86_64_GOTPCREL64: | |
13807 | case BFD_RELOC_X86_64_GOTPC64: | |
13808 | case BFD_RELOC_X86_64_GOTPLT64: | |
13809 | case BFD_RELOC_X86_64_PLTOFF64: | |
67a4f2b7 AO |
13810 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: |
13811 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
252b5132 RH |
13812 | case BFD_RELOC_RVA: |
13813 | case BFD_RELOC_VTABLE_ENTRY: | |
13814 | case BFD_RELOC_VTABLE_INHERIT: | |
6482c264 NC |
13815 | #ifdef TE_PE |
13816 | case BFD_RELOC_32_SECREL: | |
13817 | #endif | |
252b5132 RH |
13818 | code = fixp->fx_r_type; |
13819 | break; | |
dbbaec26 L |
13820 | case BFD_RELOC_X86_64_32S: |
13821 | if (!fixp->fx_pcrel) | |
13822 | { | |
13823 | /* Don't turn BFD_RELOC_X86_64_32S into BFD_RELOC_32. */ | |
13824 | code = fixp->fx_r_type; | |
13825 | break; | |
13826 | } | |
1a0670f3 | 13827 | /* Fall through. */ |
252b5132 | 13828 | default: |
93382f6d | 13829 | if (fixp->fx_pcrel) |
252b5132 | 13830 | { |
93382f6d AM |
13831 | switch (fixp->fx_size) |
13832 | { | |
13833 | default: | |
b091f402 AM |
13834 | as_bad_where (fixp->fx_file, fixp->fx_line, |
13835 | _("can not do %d byte pc-relative relocation"), | |
13836 | fixp->fx_size); | |
93382f6d AM |
13837 | code = BFD_RELOC_32_PCREL; |
13838 | break; | |
13839 | case 1: code = BFD_RELOC_8_PCREL; break; | |
13840 | case 2: code = BFD_RELOC_16_PCREL; break; | |
d258b828 | 13841 | case 4: code = BFD_RELOC_32_PCREL; break; |
d6ab8113 JB |
13842 | #ifdef BFD64 |
13843 | case 8: code = BFD_RELOC_64_PCREL; break; | |
13844 | #endif | |
93382f6d AM |
13845 | } |
13846 | } | |
13847 | else | |
13848 | { | |
13849 | switch (fixp->fx_size) | |
13850 | { | |
13851 | default: | |
b091f402 AM |
13852 | as_bad_where (fixp->fx_file, fixp->fx_line, |
13853 | _("can not do %d byte relocation"), | |
13854 | fixp->fx_size); | |
93382f6d AM |
13855 | code = BFD_RELOC_32; |
13856 | break; | |
13857 | case 1: code = BFD_RELOC_8; break; | |
13858 | case 2: code = BFD_RELOC_16; break; | |
13859 | case 4: code = BFD_RELOC_32; break; | |
937149dd | 13860 | #ifdef BFD64 |
3e73aa7c | 13861 | case 8: code = BFD_RELOC_64; break; |
937149dd | 13862 | #endif |
93382f6d | 13863 | } |
252b5132 RH |
13864 | } |
13865 | break; | |
13866 | } | |
252b5132 | 13867 | |
d182319b JB |
13868 | if ((code == BFD_RELOC_32 |
13869 | || code == BFD_RELOC_32_PCREL | |
13870 | || code == BFD_RELOC_X86_64_32S) | |
252b5132 RH |
13871 | && GOT_symbol |
13872 | && fixp->fx_addsy == GOT_symbol) | |
3e73aa7c | 13873 | { |
4fa24527 | 13874 | if (!object_64bit) |
d6ab8113 JB |
13875 | code = BFD_RELOC_386_GOTPC; |
13876 | else | |
13877 | code = BFD_RELOC_X86_64_GOTPC32; | |
3e73aa7c | 13878 | } |
7b81dfbb AJ |
13879 | if ((code == BFD_RELOC_64 || code == BFD_RELOC_64_PCREL) |
13880 | && GOT_symbol | |
13881 | && fixp->fx_addsy == GOT_symbol) | |
13882 | { | |
13883 | code = BFD_RELOC_X86_64_GOTPC64; | |
13884 | } | |
252b5132 | 13885 | |
add39d23 TS |
13886 | rel = XNEW (arelent); |
13887 | rel->sym_ptr_ptr = XNEW (asymbol *); | |
49309057 | 13888 | *rel->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
252b5132 RH |
13889 | |
13890 | rel->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
c87db184 | 13891 | |
3e73aa7c JH |
13892 | if (!use_rela_relocations) |
13893 | { | |
13894 | /* HACK: Since i386 ELF uses Rel instead of Rela, encode the | |
13895 | vtable entry to be used in the relocation's section offset. */ | |
13896 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
13897 | rel->address = fixp->fx_offset; | |
fbeb56a4 DK |
13898 | #if defined (OBJ_COFF) && defined (TE_PE) |
13899 | else if (fixp->fx_addsy && S_IS_WEAK (fixp->fx_addsy)) | |
13900 | rel->addend = fixp->fx_addnumber - (S_GET_VALUE (fixp->fx_addsy) * 2); | |
13901 | else | |
13902 | #endif | |
c6682705 | 13903 | rel->addend = 0; |
3e73aa7c JH |
13904 | } |
13905 | /* Use the rela in 64bit mode. */ | |
252b5132 | 13906 | else |
3e73aa7c | 13907 | { |
862be3fb L |
13908 | if (disallow_64bit_reloc) |
13909 | switch (code) | |
13910 | { | |
862be3fb L |
13911 | case BFD_RELOC_X86_64_DTPOFF64: |
13912 | case BFD_RELOC_X86_64_TPOFF64: | |
13913 | case BFD_RELOC_64_PCREL: | |
13914 | case BFD_RELOC_X86_64_GOTOFF64: | |
13915 | case BFD_RELOC_X86_64_GOT64: | |
13916 | case BFD_RELOC_X86_64_GOTPCREL64: | |
13917 | case BFD_RELOC_X86_64_GOTPC64: | |
13918 | case BFD_RELOC_X86_64_GOTPLT64: | |
13919 | case BFD_RELOC_X86_64_PLTOFF64: | |
13920 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
13921 | _("cannot represent relocation type %s in x32 mode"), | |
13922 | bfd_get_reloc_code_name (code)); | |
13923 | break; | |
13924 | default: | |
13925 | break; | |
13926 | } | |
13927 | ||
062cd5e7 AS |
13928 | if (!fixp->fx_pcrel) |
13929 | rel->addend = fixp->fx_offset; | |
13930 | else | |
13931 | switch (code) | |
13932 | { | |
13933 | case BFD_RELOC_X86_64_PLT32: | |
13934 | case BFD_RELOC_X86_64_GOT32: | |
13935 | case BFD_RELOC_X86_64_GOTPCREL: | |
56ceb5b5 L |
13936 | case BFD_RELOC_X86_64_GOTPCRELX: |
13937 | case BFD_RELOC_X86_64_REX_GOTPCRELX: | |
bffbf940 JJ |
13938 | case BFD_RELOC_X86_64_TLSGD: |
13939 | case BFD_RELOC_X86_64_TLSLD: | |
13940 | case BFD_RELOC_X86_64_GOTTPOFF: | |
67a4f2b7 AO |
13941 | case BFD_RELOC_X86_64_GOTPC32_TLSDESC: |
13942 | case BFD_RELOC_X86_64_TLSDESC_CALL: | |
062cd5e7 AS |
13943 | rel->addend = fixp->fx_offset - fixp->fx_size; |
13944 | break; | |
13945 | default: | |
13946 | rel->addend = (section->vma | |
13947 | - fixp->fx_size | |
13948 | + fixp->fx_addnumber | |
13949 | + md_pcrel_from (fixp)); | |
13950 | break; | |
13951 | } | |
3e73aa7c JH |
13952 | } |
13953 | ||
252b5132 RH |
13954 | rel->howto = bfd_reloc_type_lookup (stdoutput, code); |
13955 | if (rel->howto == NULL) | |
13956 | { | |
13957 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
d0b47220 | 13958 | _("cannot represent relocation type %s"), |
252b5132 RH |
13959 | bfd_get_reloc_code_name (code)); |
13960 | /* Set howto to a garbage value so that we can keep going. */ | |
13961 | rel->howto = bfd_reloc_type_lookup (stdoutput, BFD_RELOC_32); | |
9c2799c2 | 13962 | gas_assert (rel->howto != NULL); |
252b5132 RH |
13963 | } |
13964 | ||
13965 | return rel; | |
13966 | } | |
13967 | ||
ee86248c | 13968 | #include "tc-i386-intel.c" |
54cfded0 | 13969 | |
a60de03c JB |
13970 | void |
13971 | tc_x86_parse_to_dw2regnum (expressionS *exp) | |
54cfded0 | 13972 | { |
a60de03c JB |
13973 | int saved_naked_reg; |
13974 | char saved_register_dot; | |
54cfded0 | 13975 | |
a60de03c JB |
13976 | saved_naked_reg = allow_naked_reg; |
13977 | allow_naked_reg = 1; | |
13978 | saved_register_dot = register_chars['.']; | |
13979 | register_chars['.'] = '.'; | |
13980 | allow_pseudo_reg = 1; | |
13981 | expression_and_evaluate (exp); | |
13982 | allow_pseudo_reg = 0; | |
13983 | register_chars['.'] = saved_register_dot; | |
13984 | allow_naked_reg = saved_naked_reg; | |
13985 | ||
e96d56a1 | 13986 | if (exp->X_op == O_register && exp->X_add_number >= 0) |
54cfded0 | 13987 | { |
a60de03c JB |
13988 | if ((addressT) exp->X_add_number < i386_regtab_size) |
13989 | { | |
13990 | exp->X_op = O_constant; | |
13991 | exp->X_add_number = i386_regtab[exp->X_add_number] | |
13992 | .dw2_regnum[flag_code >> 1]; | |
13993 | } | |
13994 | else | |
13995 | exp->X_op = O_illegal; | |
54cfded0 | 13996 | } |
54cfded0 AM |
13997 | } |
13998 | ||
13999 | void | |
14000 | tc_x86_frame_initial_instructions (void) | |
14001 | { | |
a60de03c JB |
14002 | static unsigned int sp_regno[2]; |
14003 | ||
14004 | if (!sp_regno[flag_code >> 1]) | |
14005 | { | |
14006 | char *saved_input = input_line_pointer; | |
14007 | char sp[][4] = {"esp", "rsp"}; | |
14008 | expressionS exp; | |
a4447b93 | 14009 | |
a60de03c JB |
14010 | input_line_pointer = sp[flag_code >> 1]; |
14011 | tc_x86_parse_to_dw2regnum (&exp); | |
9c2799c2 | 14012 | gas_assert (exp.X_op == O_constant); |
a60de03c JB |
14013 | sp_regno[flag_code >> 1] = exp.X_add_number; |
14014 | input_line_pointer = saved_input; | |
14015 | } | |
a4447b93 | 14016 | |
61ff971f L |
14017 | cfi_add_CFA_def_cfa (sp_regno[flag_code >> 1], -x86_cie_data_alignment); |
14018 | cfi_add_CFA_offset (x86_dwarf2_return_column, x86_cie_data_alignment); | |
54cfded0 | 14019 | } |
d2b2c203 | 14020 | |
d7921315 L |
14021 | int |
14022 | x86_dwarf2_addr_size (void) | |
14023 | { | |
14024 | #if defined (OBJ_MAYBE_ELF) || defined (OBJ_ELF) | |
14025 | if (x86_elf_abi == X86_64_X32_ABI) | |
14026 | return 4; | |
14027 | #endif | |
14028 | return bfd_arch_bits_per_address (stdoutput) / 8; | |
14029 | } | |
14030 | ||
d2b2c203 DJ |
14031 | int |
14032 | i386_elf_section_type (const char *str, size_t len) | |
14033 | { | |
14034 | if (flag_code == CODE_64BIT | |
14035 | && len == sizeof ("unwind") - 1 | |
14036 | && strncmp (str, "unwind", 6) == 0) | |
14037 | return SHT_X86_64_UNWIND; | |
14038 | ||
14039 | return -1; | |
14040 | } | |
bb41ade5 | 14041 | |
ad5fec3b EB |
14042 | #ifdef TE_SOLARIS |
14043 | void | |
14044 | i386_solaris_fix_up_eh_frame (segT sec) | |
14045 | { | |
14046 | if (flag_code == CODE_64BIT) | |
14047 | elf_section_type (sec) = SHT_X86_64_UNWIND; | |
14048 | } | |
14049 | #endif | |
14050 | ||
bb41ade5 AM |
14051 | #ifdef TE_PE |
14052 | void | |
14053 | tc_pe_dwarf2_emit_offset (symbolS *symbol, unsigned int size) | |
14054 | { | |
91d6fa6a | 14055 | expressionS exp; |
bb41ade5 | 14056 | |
91d6fa6a NC |
14057 | exp.X_op = O_secrel; |
14058 | exp.X_add_symbol = symbol; | |
14059 | exp.X_add_number = 0; | |
14060 | emit_expr (&exp, size); | |
bb41ade5 AM |
14061 | } |
14062 | #endif | |
3b22753a L |
14063 | |
14064 | #if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF) | |
14065 | /* For ELF on x86-64, add support for SHF_X86_64_LARGE. */ | |
14066 | ||
01e1a5bc | 14067 | bfd_vma |
6d4af3c2 | 14068 | x86_64_section_letter (int letter, const char **ptr_msg) |
3b22753a L |
14069 | { |
14070 | if (flag_code == CODE_64BIT) | |
14071 | { | |
14072 | if (letter == 'l') | |
14073 | return SHF_X86_64_LARGE; | |
14074 | ||
8f3bae45 | 14075 | *ptr_msg = _("bad .section directive: want a,l,w,x,M,S,G,T in string"); |
64e74474 | 14076 | } |
3b22753a | 14077 | else |
8f3bae45 | 14078 | *ptr_msg = _("bad .section directive: want a,w,x,M,S,G,T in string"); |
3b22753a L |
14079 | return -1; |
14080 | } | |
14081 | ||
01e1a5bc | 14082 | bfd_vma |
3b22753a L |
14083 | x86_64_section_word (char *str, size_t len) |
14084 | { | |
8620418b | 14085 | if (len == 5 && flag_code == CODE_64BIT && CONST_STRNEQ (str, "large")) |
3b22753a L |
14086 | return SHF_X86_64_LARGE; |
14087 | ||
14088 | return -1; | |
14089 | } | |
14090 | ||
14091 | static void | |
14092 | handle_large_common (int small ATTRIBUTE_UNUSED) | |
14093 | { | |
14094 | if (flag_code != CODE_64BIT) | |
14095 | { | |
14096 | s_comm_internal (0, elf_common_parse); | |
14097 | as_warn (_(".largecomm supported only in 64bit mode, producing .comm")); | |
14098 | } | |
14099 | else | |
14100 | { | |
14101 | static segT lbss_section; | |
14102 | asection *saved_com_section_ptr = elf_com_section_ptr; | |
14103 | asection *saved_bss_section = bss_section; | |
14104 | ||
14105 | if (lbss_section == NULL) | |
14106 | { | |
14107 | flagword applicable; | |
14108 | segT seg = now_seg; | |
14109 | subsegT subseg = now_subseg; | |
14110 | ||
14111 | /* The .lbss section is for local .largecomm symbols. */ | |
14112 | lbss_section = subseg_new (".lbss", 0); | |
14113 | applicable = bfd_applicable_section_flags (stdoutput); | |
fd361982 | 14114 | bfd_set_section_flags (lbss_section, applicable & SEC_ALLOC); |
3b22753a L |
14115 | seg_info (lbss_section)->bss = 1; |
14116 | ||
14117 | subseg_set (seg, subseg); | |
14118 | } | |
14119 | ||
14120 | elf_com_section_ptr = &_bfd_elf_large_com_section; | |
14121 | bss_section = lbss_section; | |
14122 | ||
14123 | s_comm_internal (0, elf_common_parse); | |
14124 | ||
14125 | elf_com_section_ptr = saved_com_section_ptr; | |
14126 | bss_section = saved_bss_section; | |
14127 | } | |
14128 | } | |
14129 | #endif /* OBJ_ELF || OBJ_MAYBE_ELF */ |