Commit | Line | Data |
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252b5132 | 1 | /* Print i386 instructions for GDB, the GNU debugger. |
060d22b0 | 2 | Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
db6eb5be | 3 | 2001, 2002, 2003 Free Software Foundation, Inc. |
252b5132 RH |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | /* | |
22 | * 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu) | |
23 | * July 1988 | |
24 | * modified by John Hassey (hassey@dg-rtp.dg.com) | |
52b15da3 | 25 | * x86-64 support added by Jan Hubicka (jh@suse.cz) |
252b5132 RH |
26 | */ |
27 | ||
28 | /* | |
29 | * The main tables describing the instructions is essentially a copy | |
30 | * of the "Opcode Map" chapter (Appendix A) of the Intel 80386 | |
31 | * Programmers Manual. Usually, there is a capital letter, followed | |
32 | * by a small letter. The capital letter tell the addressing mode, | |
33 | * and the small letter tells about the operand size. Refer to | |
34 | * the Intel manual for details. | |
35 | */ | |
36 | ||
37 | #include "dis-asm.h" | |
38 | #include "sysdep.h" | |
39 | #include "opintl.h" | |
40 | ||
41 | #define MAXLEN 20 | |
42 | ||
43 | #include <setjmp.h> | |
44 | ||
45 | #ifndef UNIXWARE_COMPAT | |
46 | /* Set non-zero for broken, compatible instructions. Set to zero for | |
47 | non-broken opcodes. */ | |
48 | #define UNIXWARE_COMPAT 1 | |
49 | #endif | |
50 | ||
252b5132 | 51 | static int fetch_data PARAMS ((struct disassemble_info *, bfd_byte *)); |
6439fc28 AM |
52 | static void ckprefix PARAMS ((void)); |
53 | static const char *prefix_name PARAMS ((int, int)); | |
e396998b | 54 | static int print_insn PARAMS ((bfd_vma, disassemble_info *)); |
6439fc28 AM |
55 | static void dofloat PARAMS ((int)); |
56 | static void OP_ST PARAMS ((int, int)); | |
57 | static void OP_STi PARAMS ((int, int)); | |
58 | static int putop PARAMS ((const char *, int)); | |
59 | static void oappend PARAMS ((const char *)); | |
60 | static void append_seg PARAMS ((void)); | |
61 | static void OP_indirE PARAMS ((int, int)); | |
62 | static void print_operand_value PARAMS ((char *, int, bfd_vma)); | |
63 | static void OP_E PARAMS ((int, int)); | |
64 | static void OP_G PARAMS ((int, int)); | |
65 | static bfd_vma get64 PARAMS ((void)); | |
66 | static bfd_signed_vma get32 PARAMS ((void)); | |
67 | static bfd_signed_vma get32s PARAMS ((void)); | |
68 | static int get16 PARAMS ((void)); | |
7081ff04 | 69 | static void set_op PARAMS ((bfd_vma, int)); |
6439fc28 AM |
70 | static void OP_REG PARAMS ((int, int)); |
71 | static void OP_IMREG PARAMS ((int, int)); | |
72 | static void OP_I PARAMS ((int, int)); | |
73 | static void OP_I64 PARAMS ((int, int)); | |
74 | static void OP_sI PARAMS ((int, int)); | |
75 | static void OP_J PARAMS ((int, int)); | |
76 | static void OP_SEG PARAMS ((int, int)); | |
77 | static void OP_DIR PARAMS ((int, int)); | |
78 | static void OP_OFF PARAMS ((int, int)); | |
79 | static void OP_OFF64 PARAMS ((int, int)); | |
80 | static void ptr_reg PARAMS ((int, int)); | |
81 | static void OP_ESreg PARAMS ((int, int)); | |
82 | static void OP_DSreg PARAMS ((int, int)); | |
83 | static void OP_C PARAMS ((int, int)); | |
84 | static void OP_D PARAMS ((int, int)); | |
85 | static void OP_T PARAMS ((int, int)); | |
86 | static void OP_Rd PARAMS ((int, int)); | |
87 | static void OP_MMX PARAMS ((int, int)); | |
88 | static void OP_XMM PARAMS ((int, int)); | |
89 | static void OP_EM PARAMS ((int, int)); | |
90 | static void OP_EX PARAMS ((int, int)); | |
91 | static void OP_MS PARAMS ((int, int)); | |
92 | static void OP_XS PARAMS ((int, int)); | |
93 | static void OP_3DNowSuffix PARAMS ((int, int)); | |
94 | static void OP_SIMD_Suffix PARAMS ((int, int)); | |
95 | static void SIMD_Fixup PARAMS ((int, int)); | |
ca164297 | 96 | static void PNI_Fixup PARAMS ((int, int)); |
6439fc28 | 97 | static void BadOp PARAMS ((void)); |
252b5132 | 98 | |
6608db57 | 99 | struct dis_private { |
252b5132 RH |
100 | /* Points to first byte not fetched. */ |
101 | bfd_byte *max_fetched; | |
102 | bfd_byte the_buffer[MAXLEN]; | |
103 | bfd_vma insn_start; | |
e396998b | 104 | int orig_sizeflag; |
252b5132 RH |
105 | jmp_buf bailout; |
106 | }; | |
107 | ||
5076851f ILT |
108 | /* The opcode for the fwait instruction, which we treat as a prefix |
109 | when we can. */ | |
110 | #define FWAIT_OPCODE (0x9b) | |
111 | ||
52b15da3 JH |
112 | /* Set to 1 for 64bit mode disassembly. */ |
113 | static int mode_64bit; | |
114 | ||
5076851f ILT |
115 | /* Flags for the prefixes for the current instruction. See below. */ |
116 | static int prefixes; | |
117 | ||
52b15da3 JH |
118 | /* REX prefix the current instruction. See below. */ |
119 | static int rex; | |
120 | /* Bits of REX we've already used. */ | |
121 | static int rex_used; | |
122 | #define REX_MODE64 8 | |
123 | #define REX_EXTX 4 | |
124 | #define REX_EXTY 2 | |
125 | #define REX_EXTZ 1 | |
126 | /* Mark parts used in the REX prefix. When we are testing for | |
127 | empty prefix (for 8bit register REX extension), just mask it | |
128 | out. Otherwise test for REX bit is excuse for existence of REX | |
129 | only in case value is nonzero. */ | |
130 | #define USED_REX(value) \ | |
131 | { \ | |
132 | if (value) \ | |
133 | rex_used |= (rex & value) ? (value) | 0x40 : 0; \ | |
134 | else \ | |
135 | rex_used |= 0x40; \ | |
136 | } | |
137 | ||
7d421014 ILT |
138 | /* Flags for prefixes which we somehow handled when printing the |
139 | current instruction. */ | |
140 | static int used_prefixes; | |
141 | ||
5076851f ILT |
142 | /* Flags stored in PREFIXES. */ |
143 | #define PREFIX_REPZ 1 | |
144 | #define PREFIX_REPNZ 2 | |
145 | #define PREFIX_LOCK 4 | |
146 | #define PREFIX_CS 8 | |
147 | #define PREFIX_SS 0x10 | |
148 | #define PREFIX_DS 0x20 | |
149 | #define PREFIX_ES 0x40 | |
150 | #define PREFIX_FS 0x80 | |
151 | #define PREFIX_GS 0x100 | |
152 | #define PREFIX_DATA 0x200 | |
153 | #define PREFIX_ADDR 0x400 | |
154 | #define PREFIX_FWAIT 0x800 | |
155 | ||
252b5132 RH |
156 | /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive) |
157 | to ADDR (exclusive) are valid. Returns 1 for success, longjmps | |
158 | on error. */ | |
159 | #define FETCH_DATA(info, addr) \ | |
6608db57 | 160 | ((addr) <= ((struct dis_private *) (info->private_data))->max_fetched \ |
252b5132 RH |
161 | ? 1 : fetch_data ((info), (addr))) |
162 | ||
163 | static int | |
164 | fetch_data (info, addr) | |
165 | struct disassemble_info *info; | |
166 | bfd_byte *addr; | |
167 | { | |
168 | int status; | |
6608db57 | 169 | struct dis_private *priv = (struct dis_private *) info->private_data; |
252b5132 RH |
170 | bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer); |
171 | ||
172 | status = (*info->read_memory_func) (start, | |
173 | priv->max_fetched, | |
174 | addr - priv->max_fetched, | |
175 | info); | |
176 | if (status != 0) | |
177 | { | |
7d421014 | 178 | /* If we did manage to read at least one byte, then |
db6eb5be AM |
179 | print_insn_i386 will do something sensible. Otherwise, print |
180 | an error. We do that here because this is where we know | |
181 | STATUS. */ | |
7d421014 | 182 | if (priv->max_fetched == priv->the_buffer) |
5076851f | 183 | (*info->memory_error_func) (status, start, info); |
252b5132 RH |
184 | longjmp (priv->bailout, 1); |
185 | } | |
186 | else | |
187 | priv->max_fetched = addr; | |
188 | return 1; | |
189 | } | |
190 | ||
57d91c3c ILT |
191 | #define XX NULL, 0 |
192 | ||
252b5132 | 193 | #define Eb OP_E, b_mode |
52b15da3 JH |
194 | #define Ev OP_E, v_mode |
195 | #define Ed OP_E, d_mode | |
db6eb5be | 196 | #define Edq OP_E, dq_mode |
252b5132 | 197 | #define indirEb OP_indirE, b_mode |
252b5132 RH |
198 | #define indirEv OP_indirE, v_mode |
199 | #define Ew OP_E, w_mode | |
200 | #define Ma OP_E, v_mode | |
bcb5558b | 201 | #define M OP_E, 0 /* lea, lgdt, etc. */ |
2da11e11 | 202 | #define Mp OP_E, 0 /* 32 or 48 bit memory operand for LDS, LES etc */ |
992aaec9 | 203 | #define Gb OP_G, b_mode |
252b5132 | 204 | #define Gv OP_G, v_mode |
992aaec9 | 205 | #define Gd OP_G, d_mode |
252b5132 | 206 | #define Gw OP_G, w_mode |
2da11e11 | 207 | #define Rd OP_Rd, d_mode |
52b15da3 | 208 | #define Rm OP_Rd, m_mode |
252b5132 RH |
209 | #define Ib OP_I, b_mode |
210 | #define sIb OP_sI, b_mode /* sign extened byte */ | |
211 | #define Iv OP_I, v_mode | |
52b15da3 JH |
212 | #define Iq OP_I, q_mode |
213 | #define Iv64 OP_I64, v_mode | |
252b5132 RH |
214 | #define Iw OP_I, w_mode |
215 | #define Jb OP_J, b_mode | |
216 | #define Jv OP_J, v_mode | |
52b15da3 JH |
217 | #define Cm OP_C, m_mode |
218 | #define Dm OP_D, m_mode | |
252b5132 RH |
219 | #define Td OP_T, d_mode |
220 | ||
52b15da3 JH |
221 | #define RMeAX OP_REG, eAX_reg |
222 | #define RMeBX OP_REG, eBX_reg | |
223 | #define RMeCX OP_REG, eCX_reg | |
224 | #define RMeDX OP_REG, eDX_reg | |
225 | #define RMeSP OP_REG, eSP_reg | |
226 | #define RMeBP OP_REG, eBP_reg | |
227 | #define RMeSI OP_REG, eSI_reg | |
228 | #define RMeDI OP_REG, eDI_reg | |
229 | #define RMrAX OP_REG, rAX_reg | |
230 | #define RMrBX OP_REG, rBX_reg | |
231 | #define RMrCX OP_REG, rCX_reg | |
232 | #define RMrDX OP_REG, rDX_reg | |
233 | #define RMrSP OP_REG, rSP_reg | |
234 | #define RMrBP OP_REG, rBP_reg | |
235 | #define RMrSI OP_REG, rSI_reg | |
236 | #define RMrDI OP_REG, rDI_reg | |
237 | #define RMAL OP_REG, al_reg | |
238 | #define RMAL OP_REG, al_reg | |
239 | #define RMCL OP_REG, cl_reg | |
240 | #define RMDL OP_REG, dl_reg | |
241 | #define RMBL OP_REG, bl_reg | |
242 | #define RMAH OP_REG, ah_reg | |
243 | #define RMCH OP_REG, ch_reg | |
244 | #define RMDH OP_REG, dh_reg | |
245 | #define RMBH OP_REG, bh_reg | |
246 | #define RMAX OP_REG, ax_reg | |
247 | #define RMDX OP_REG, dx_reg | |
248 | ||
249 | #define eAX OP_IMREG, eAX_reg | |
250 | #define eBX OP_IMREG, eBX_reg | |
251 | #define eCX OP_IMREG, eCX_reg | |
252 | #define eDX OP_IMREG, eDX_reg | |
253 | #define eSP OP_IMREG, eSP_reg | |
254 | #define eBP OP_IMREG, eBP_reg | |
255 | #define eSI OP_IMREG, eSI_reg | |
256 | #define eDI OP_IMREG, eDI_reg | |
257 | #define AL OP_IMREG, al_reg | |
258 | #define AL OP_IMREG, al_reg | |
259 | #define CL OP_IMREG, cl_reg | |
260 | #define DL OP_IMREG, dl_reg | |
261 | #define BL OP_IMREG, bl_reg | |
262 | #define AH OP_IMREG, ah_reg | |
263 | #define CH OP_IMREG, ch_reg | |
264 | #define DH OP_IMREG, dh_reg | |
265 | #define BH OP_IMREG, bh_reg | |
266 | #define AX OP_IMREG, ax_reg | |
267 | #define DX OP_IMREG, dx_reg | |
268 | #define indirDX OP_IMREG, indir_dx_reg | |
252b5132 RH |
269 | |
270 | #define Sw OP_SEG, w_mode | |
c608c12e | 271 | #define Ap OP_DIR, 0 |
252b5132 | 272 | #define Ob OP_OFF, b_mode |
52b15da3 | 273 | #define Ob64 OP_OFF64, b_mode |
252b5132 | 274 | #define Ov OP_OFF, v_mode |
52b15da3 | 275 | #define Ov64 OP_OFF64, v_mode |
252b5132 RH |
276 | #define Xb OP_DSreg, eSI_reg |
277 | #define Xv OP_DSreg, eSI_reg | |
278 | #define Yb OP_ESreg, eDI_reg | |
279 | #define Yv OP_ESreg, eDI_reg | |
280 | #define DSBX OP_DSreg, eBX_reg | |
281 | ||
282 | #define es OP_REG, es_reg | |
283 | #define ss OP_REG, ss_reg | |
284 | #define cs OP_REG, cs_reg | |
285 | #define ds OP_REG, ds_reg | |
286 | #define fs OP_REG, fs_reg | |
287 | #define gs OP_REG, gs_reg | |
288 | ||
289 | #define MX OP_MMX, 0 | |
c608c12e | 290 | #define XM OP_XMM, 0 |
252b5132 | 291 | #define EM OP_EM, v_mode |
c608c12e | 292 | #define EX OP_EX, v_mode |
2da11e11 | 293 | #define MS OP_MS, v_mode |
992aaec9 | 294 | #define XS OP_XS, v_mode |
c608c12e | 295 | #define None OP_E, 0 |
252b5132 | 296 | #define OPSUF OP_3DNowSuffix, 0 |
c608c12e | 297 | #define OPSIMD OP_SIMD_Suffix, 0 |
252b5132 | 298 | |
3ffd33cf AM |
299 | #define cond_jump_flag NULL, cond_jump_mode |
300 | #define loop_jcxz_flag NULL, loop_jcxz_mode | |
301 | ||
252b5132 | 302 | /* bits in sizeflag */ |
252b5132 | 303 | #define SUFFIX_ALWAYS 4 |
252b5132 RH |
304 | #define AFLAG 2 |
305 | #define DFLAG 1 | |
306 | ||
52b15da3 JH |
307 | #define b_mode 1 /* byte operand */ |
308 | #define v_mode 2 /* operand size depends on prefixes */ | |
309 | #define w_mode 3 /* word operand */ | |
310 | #define d_mode 4 /* double word operand */ | |
311 | #define q_mode 5 /* quad word operand */ | |
312 | #define x_mode 6 | |
313 | #define m_mode 7 /* d_mode in 32bit, q_mode in 64bit mode. */ | |
3ffd33cf AM |
314 | #define cond_jump_mode 8 |
315 | #define loop_jcxz_mode 9 | |
db6eb5be | 316 | #define dq_mode 10 /* operand size depends on REX prefixes. */ |
252b5132 RH |
317 | |
318 | #define es_reg 100 | |
319 | #define cs_reg 101 | |
320 | #define ss_reg 102 | |
321 | #define ds_reg 103 | |
322 | #define fs_reg 104 | |
323 | #define gs_reg 105 | |
252b5132 | 324 | |
c608c12e AM |
325 | #define eAX_reg 108 |
326 | #define eCX_reg 109 | |
327 | #define eDX_reg 110 | |
328 | #define eBX_reg 111 | |
329 | #define eSP_reg 112 | |
330 | #define eBP_reg 113 | |
331 | #define eSI_reg 114 | |
332 | #define eDI_reg 115 | |
252b5132 RH |
333 | |
334 | #define al_reg 116 | |
335 | #define cl_reg 117 | |
336 | #define dl_reg 118 | |
337 | #define bl_reg 119 | |
338 | #define ah_reg 120 | |
339 | #define ch_reg 121 | |
340 | #define dh_reg 122 | |
341 | #define bh_reg 123 | |
342 | ||
343 | #define ax_reg 124 | |
344 | #define cx_reg 125 | |
345 | #define dx_reg 126 | |
346 | #define bx_reg 127 | |
347 | #define sp_reg 128 | |
348 | #define bp_reg 129 | |
349 | #define si_reg 130 | |
350 | #define di_reg 131 | |
351 | ||
52b15da3 JH |
352 | #define rAX_reg 132 |
353 | #define rCX_reg 133 | |
354 | #define rDX_reg 134 | |
355 | #define rBX_reg 135 | |
356 | #define rSP_reg 136 | |
357 | #define rBP_reg 137 | |
358 | #define rSI_reg 138 | |
359 | #define rDI_reg 139 | |
360 | ||
252b5132 RH |
361 | #define indir_dx_reg 150 |
362 | ||
6439fc28 AM |
363 | #define FLOATCODE 1 |
364 | #define USE_GROUPS 2 | |
365 | #define USE_PREFIX_USER_TABLE 3 | |
366 | #define X86_64_SPECIAL 4 | |
367 | ||
368 | #define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0 | |
369 | ||
370 | #define GRP1b NULL, NULL, USE_GROUPS, NULL, 0, NULL, 0 | |
371 | #define GRP1S NULL, NULL, USE_GROUPS, NULL, 1, NULL, 0 | |
372 | #define GRP1Ss NULL, NULL, USE_GROUPS, NULL, 2, NULL, 0 | |
373 | #define GRP2b NULL, NULL, USE_GROUPS, NULL, 3, NULL, 0 | |
374 | #define GRP2S NULL, NULL, USE_GROUPS, NULL, 4, NULL, 0 | |
375 | #define GRP2b_one NULL, NULL, USE_GROUPS, NULL, 5, NULL, 0 | |
376 | #define GRP2S_one NULL, NULL, USE_GROUPS, NULL, 6, NULL, 0 | |
377 | #define GRP2b_cl NULL, NULL, USE_GROUPS, NULL, 7, NULL, 0 | |
378 | #define GRP2S_cl NULL, NULL, USE_GROUPS, NULL, 8, NULL, 0 | |
379 | #define GRP3b NULL, NULL, USE_GROUPS, NULL, 9, NULL, 0 | |
380 | #define GRP3S NULL, NULL, USE_GROUPS, NULL, 10, NULL, 0 | |
381 | #define GRP4 NULL, NULL, USE_GROUPS, NULL, 11, NULL, 0 | |
382 | #define GRP5 NULL, NULL, USE_GROUPS, NULL, 12, NULL, 0 | |
383 | #define GRP6 NULL, NULL, USE_GROUPS, NULL, 13, NULL, 0 | |
384 | #define GRP7 NULL, NULL, USE_GROUPS, NULL, 14, NULL, 0 | |
385 | #define GRP8 NULL, NULL, USE_GROUPS, NULL, 15, NULL, 0 | |
386 | #define GRP9 NULL, NULL, USE_GROUPS, NULL, 16, NULL, 0 | |
387 | #define GRP10 NULL, NULL, USE_GROUPS, NULL, 17, NULL, 0 | |
388 | #define GRP11 NULL, NULL, USE_GROUPS, NULL, 18, NULL, 0 | |
389 | #define GRP12 NULL, NULL, USE_GROUPS, NULL, 19, NULL, 0 | |
390 | #define GRP13 NULL, NULL, USE_GROUPS, NULL, 20, NULL, 0 | |
391 | #define GRP14 NULL, NULL, USE_GROUPS, NULL, 21, NULL, 0 | |
392 | #define GRPAMD NULL, NULL, USE_GROUPS, NULL, 22, NULL, 0 | |
393 | ||
394 | #define PREGRP0 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 0, NULL, 0 | |
395 | #define PREGRP1 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 1, NULL, 0 | |
396 | #define PREGRP2 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 2, NULL, 0 | |
397 | #define PREGRP3 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 3, NULL, 0 | |
398 | #define PREGRP4 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 4, NULL, 0 | |
399 | #define PREGRP5 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 5, NULL, 0 | |
400 | #define PREGRP6 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 6, NULL, 0 | |
401 | #define PREGRP7 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 7, NULL, 0 | |
402 | #define PREGRP8 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 8, NULL, 0 | |
403 | #define PREGRP9 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 9, NULL, 0 | |
404 | #define PREGRP10 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 10, NULL, 0 | |
405 | #define PREGRP11 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 11, NULL, 0 | |
406 | #define PREGRP12 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 12, NULL, 0 | |
407 | #define PREGRP13 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 13, NULL, 0 | |
408 | #define PREGRP14 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 14, NULL, 0 | |
409 | #define PREGRP15 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 15, NULL, 0 | |
410 | #define PREGRP16 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 16, NULL, 0 | |
411 | #define PREGRP17 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 17, NULL, 0 | |
412 | #define PREGRP18 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 18, NULL, 0 | |
413 | #define PREGRP19 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 19, NULL, 0 | |
414 | #define PREGRP20 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 20, NULL, 0 | |
415 | #define PREGRP21 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 21, NULL, 0 | |
416 | #define PREGRP22 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 22, NULL, 0 | |
417 | #define PREGRP23 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 23, NULL, 0 | |
418 | #define PREGRP24 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 24, NULL, 0 | |
419 | #define PREGRP25 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 25, NULL, 0 | |
420 | #define PREGRP26 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 26, NULL, 0 | |
ca164297 L |
421 | #define PREGRP27 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 27, NULL, 0 |
422 | #define PREGRP28 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 28, NULL, 0 | |
423 | #define PREGRP29 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 29, NULL, 0 | |
424 | #define PREGRP30 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 30, NULL, 0 | |
425 | #define PREGRP31 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 31, NULL, 0 | |
426 | #define PREGRP32 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 32, NULL, 0 | |
6439fc28 AM |
427 | |
428 | #define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0 | |
429 | ||
430 | typedef void (*op_rtn) PARAMS ((int bytemode, int sizeflag)); | |
252b5132 RH |
431 | |
432 | struct dis386 { | |
2da11e11 | 433 | const char *name; |
252b5132 RH |
434 | op_rtn op1; |
435 | int bytemode1; | |
436 | op_rtn op2; | |
437 | int bytemode2; | |
438 | op_rtn op3; | |
439 | int bytemode3; | |
440 | }; | |
441 | ||
442 | /* Upper case letters in the instruction names here are macros. | |
443 | 'A' => print 'b' if no register operands or suffix_always is true | |
444 | 'B' => print 'b' if suffix_always is true | |
445 | 'E' => print 'e' if 32-bit form of jcxz | |
3ffd33cf | 446 | 'F' => print 'w' or 'l' depending on address size prefix (loop insns) |
5dd0794d | 447 | 'H' => print ",pt" or ",pn" branch hint |
252b5132 RH |
448 | 'L' => print 'l' if suffix_always is true |
449 | 'N' => print 'n' if instruction has no wait "prefix" | |
52b15da3 JH |
450 | 'O' => print 'd', or 'o' |
451 | 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix, | |
e396998b AM |
452 | . or suffix_always is true. print 'q' if rex prefix is present. |
453 | 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always | |
454 | . is true | |
52b15da3 JH |
455 | 'R' => print 'w', 'l' or 'q' ("wd" or "dq" in intel mode) |
456 | 'S' => print 'w', 'l' or 'q' if suffix_always is true | |
6439fc28 AM |
457 | 'T' => print 'q' in 64bit mode and behave as 'P' otherwise |
458 | 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise | |
041bd2e0 | 459 | 'X' => print 's', 'd' depending on data16 prefix (for XMM) |
10084519 | 460 | 'W' => print 'b' or 'w' ("w" or "de" in intel mode) |
76f227a5 | 461 | 'Y' => 'q' if instruction has an REX 64bit overwrite prefix |
52b15da3 | 462 | |
6439fc28 AM |
463 | Many of the above letters print nothing in Intel mode. See "putop" |
464 | for the details. | |
52b15da3 | 465 | |
6439fc28 AM |
466 | Braces '{' and '}', and vertical bars '|', indicate alternative |
467 | mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel | |
468 | modes. In cases where there are only two alternatives, the X86_64 | |
469 | instruction is reserved, and "(bad)" is printed. | |
470 | */ | |
252b5132 | 471 | |
6439fc28 | 472 | static const struct dis386 dis386[] = { |
252b5132 | 473 | /* 00 */ |
6439fc28 AM |
474 | { "addB", Eb, Gb, XX }, |
475 | { "addS", Ev, Gv, XX }, | |
476 | { "addB", Gb, Eb, XX }, | |
477 | { "addS", Gv, Ev, XX }, | |
478 | { "addB", AL, Ib, XX }, | |
479 | { "addS", eAX, Iv, XX }, | |
480 | { "push{T|}", es, XX, XX }, | |
481 | { "pop{T|}", es, XX, XX }, | |
252b5132 | 482 | /* 08 */ |
6439fc28 AM |
483 | { "orB", Eb, Gb, XX }, |
484 | { "orS", Ev, Gv, XX }, | |
485 | { "orB", Gb, Eb, XX }, | |
486 | { "orS", Gv, Ev, XX }, | |
487 | { "orB", AL, Ib, XX }, | |
488 | { "orS", eAX, Iv, XX }, | |
489 | { "push{T|}", cs, XX, XX }, | |
490 | { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */ | |
252b5132 | 491 | /* 10 */ |
6439fc28 AM |
492 | { "adcB", Eb, Gb, XX }, |
493 | { "adcS", Ev, Gv, XX }, | |
494 | { "adcB", Gb, Eb, XX }, | |
495 | { "adcS", Gv, Ev, XX }, | |
496 | { "adcB", AL, Ib, XX }, | |
497 | { "adcS", eAX, Iv, XX }, | |
498 | { "push{T|}", ss, XX, XX }, | |
499 | { "popT|}", ss, XX, XX }, | |
252b5132 | 500 | /* 18 */ |
6439fc28 AM |
501 | { "sbbB", Eb, Gb, XX }, |
502 | { "sbbS", Ev, Gv, XX }, | |
503 | { "sbbB", Gb, Eb, XX }, | |
504 | { "sbbS", Gv, Ev, XX }, | |
505 | { "sbbB", AL, Ib, XX }, | |
506 | { "sbbS", eAX, Iv, XX }, | |
507 | { "push{T|}", ds, XX, XX }, | |
508 | { "pop{T|}", ds, XX, XX }, | |
252b5132 | 509 | /* 20 */ |
6439fc28 AM |
510 | { "andB", Eb, Gb, XX }, |
511 | { "andS", Ev, Gv, XX }, | |
512 | { "andB", Gb, Eb, XX }, | |
513 | { "andS", Gv, Ev, XX }, | |
514 | { "andB", AL, Ib, XX }, | |
515 | { "andS", eAX, Iv, XX }, | |
516 | { "(bad)", XX, XX, XX }, /* SEG ES prefix */ | |
517 | { "daa{|}", XX, XX, XX }, | |
252b5132 | 518 | /* 28 */ |
6439fc28 AM |
519 | { "subB", Eb, Gb, XX }, |
520 | { "subS", Ev, Gv, XX }, | |
521 | { "subB", Gb, Eb, XX }, | |
522 | { "subS", Gv, Ev, XX }, | |
523 | { "subB", AL, Ib, XX }, | |
524 | { "subS", eAX, Iv, XX }, | |
525 | { "(bad)", XX, XX, XX }, /* SEG CS prefix */ | |
526 | { "das{|}", XX, XX, XX }, | |
252b5132 | 527 | /* 30 */ |
6439fc28 AM |
528 | { "xorB", Eb, Gb, XX }, |
529 | { "xorS", Ev, Gv, XX }, | |
530 | { "xorB", Gb, Eb, XX }, | |
531 | { "xorS", Gv, Ev, XX }, | |
532 | { "xorB", AL, Ib, XX }, | |
533 | { "xorS", eAX, Iv, XX }, | |
534 | { "(bad)", XX, XX, XX }, /* SEG SS prefix */ | |
535 | { "aaa{|}", XX, XX, XX }, | |
252b5132 | 536 | /* 38 */ |
6439fc28 AM |
537 | { "cmpB", Eb, Gb, XX }, |
538 | { "cmpS", Ev, Gv, XX }, | |
539 | { "cmpB", Gb, Eb, XX }, | |
540 | { "cmpS", Gv, Ev, XX }, | |
541 | { "cmpB", AL, Ib, XX }, | |
542 | { "cmpS", eAX, Iv, XX }, | |
543 | { "(bad)", XX, XX, XX }, /* SEG DS prefix */ | |
544 | { "aas{|}", XX, XX, XX }, | |
252b5132 | 545 | /* 40 */ |
6439fc28 AM |
546 | { "inc{S|}", RMeAX, XX, XX }, |
547 | { "inc{S|}", RMeCX, XX, XX }, | |
548 | { "inc{S|}", RMeDX, XX, XX }, | |
549 | { "inc{S|}", RMeBX, XX, XX }, | |
550 | { "inc{S|}", RMeSP, XX, XX }, | |
551 | { "inc{S|}", RMeBP, XX, XX }, | |
552 | { "inc{S|}", RMeSI, XX, XX }, | |
553 | { "inc{S|}", RMeDI, XX, XX }, | |
252b5132 | 554 | /* 48 */ |
6439fc28 AM |
555 | { "dec{S|}", RMeAX, XX, XX }, |
556 | { "dec{S|}", RMeCX, XX, XX }, | |
557 | { "dec{S|}", RMeDX, XX, XX }, | |
558 | { "dec{S|}", RMeBX, XX, XX }, | |
559 | { "dec{S|}", RMeSP, XX, XX }, | |
560 | { "dec{S|}", RMeBP, XX, XX }, | |
561 | { "dec{S|}", RMeSI, XX, XX }, | |
562 | { "dec{S|}", RMeDI, XX, XX }, | |
252b5132 | 563 | /* 50 */ |
6439fc28 AM |
564 | { "pushS", RMrAX, XX, XX }, |
565 | { "pushS", RMrCX, XX, XX }, | |
566 | { "pushS", RMrDX, XX, XX }, | |
567 | { "pushS", RMrBX, XX, XX }, | |
568 | { "pushS", RMrSP, XX, XX }, | |
569 | { "pushS", RMrBP, XX, XX }, | |
570 | { "pushS", RMrSI, XX, XX }, | |
571 | { "pushS", RMrDI, XX, XX }, | |
252b5132 | 572 | /* 58 */ |
6439fc28 AM |
573 | { "popS", RMrAX, XX, XX }, |
574 | { "popS", RMrCX, XX, XX }, | |
575 | { "popS", RMrDX, XX, XX }, | |
576 | { "popS", RMrBX, XX, XX }, | |
577 | { "popS", RMrSP, XX, XX }, | |
578 | { "popS", RMrBP, XX, XX }, | |
579 | { "popS", RMrSI, XX, XX }, | |
580 | { "popS", RMrDI, XX, XX }, | |
252b5132 | 581 | /* 60 */ |
6439fc28 AM |
582 | { "pusha{P|}", XX, XX, XX }, |
583 | { "popa{P|}", XX, XX, XX }, | |
584 | { "bound{S|}", Gv, Ma, XX }, | |
585 | { X86_64_0 }, | |
586 | { "(bad)", XX, XX, XX }, /* seg fs */ | |
587 | { "(bad)", XX, XX, XX }, /* seg gs */ | |
588 | { "(bad)", XX, XX, XX }, /* op size prefix */ | |
589 | { "(bad)", XX, XX, XX }, /* adr size prefix */ | |
252b5132 | 590 | /* 68 */ |
6439fc28 AM |
591 | { "pushT", Iq, XX, XX }, |
592 | { "imulS", Gv, Ev, Iv }, | |
593 | { "pushT", sIb, XX, XX }, | |
594 | { "imulS", Gv, Ev, sIb }, | |
595 | { "ins{b||b|}", Yb, indirDX, XX }, | |
596 | { "ins{R||R|}", Yv, indirDX, XX }, | |
597 | { "outs{b||b|}", indirDX, Xb, XX }, | |
598 | { "outs{R||R|}", indirDX, Xv, XX }, | |
252b5132 | 599 | /* 70 */ |
6439fc28 AM |
600 | { "joH", Jb, XX, cond_jump_flag }, |
601 | { "jnoH", Jb, XX, cond_jump_flag }, | |
602 | { "jbH", Jb, XX, cond_jump_flag }, | |
603 | { "jaeH", Jb, XX, cond_jump_flag }, | |
604 | { "jeH", Jb, XX, cond_jump_flag }, | |
605 | { "jneH", Jb, XX, cond_jump_flag }, | |
606 | { "jbeH", Jb, XX, cond_jump_flag }, | |
607 | { "jaH", Jb, XX, cond_jump_flag }, | |
252b5132 | 608 | /* 78 */ |
6439fc28 AM |
609 | { "jsH", Jb, XX, cond_jump_flag }, |
610 | { "jnsH", Jb, XX, cond_jump_flag }, | |
611 | { "jpH", Jb, XX, cond_jump_flag }, | |
612 | { "jnpH", Jb, XX, cond_jump_flag }, | |
613 | { "jlH", Jb, XX, cond_jump_flag }, | |
614 | { "jgeH", Jb, XX, cond_jump_flag }, | |
615 | { "jleH", Jb, XX, cond_jump_flag }, | |
616 | { "jgH", Jb, XX, cond_jump_flag }, | |
252b5132 RH |
617 | /* 80 */ |
618 | { GRP1b }, | |
619 | { GRP1S }, | |
6439fc28 | 620 | { "(bad)", XX, XX, XX }, |
252b5132 | 621 | { GRP1Ss }, |
6439fc28 AM |
622 | { "testB", Eb, Gb, XX }, |
623 | { "testS", Ev, Gv, XX }, | |
624 | { "xchgB", Eb, Gb, XX }, | |
625 | { "xchgS", Ev, Gv, XX }, | |
252b5132 | 626 | /* 88 */ |
6439fc28 AM |
627 | { "movB", Eb, Gb, XX }, |
628 | { "movS", Ev, Gv, XX }, | |
629 | { "movB", Gb, Eb, XX }, | |
630 | { "movS", Gv, Ev, XX }, | |
631 | { "movQ", Ev, Sw, XX }, | |
632 | { "leaS", Gv, M, XX }, | |
633 | { "movQ", Sw, Ev, XX }, | |
634 | { "popU", Ev, XX, XX }, | |
252b5132 | 635 | /* 90 */ |
6439fc28 | 636 | { "nop", XX, XX, XX }, |
041bd2e0 | 637 | /* FIXME: NOP with REPz prefix is called PAUSE. */ |
6439fc28 AM |
638 | { "xchgS", RMeCX, eAX, XX }, |
639 | { "xchgS", RMeDX, eAX, XX }, | |
640 | { "xchgS", RMeBX, eAX, XX }, | |
641 | { "xchgS", RMeSP, eAX, XX }, | |
642 | { "xchgS", RMeBP, eAX, XX }, | |
643 | { "xchgS", RMeSI, eAX, XX }, | |
644 | { "xchgS", RMeDI, eAX, XX }, | |
252b5132 | 645 | /* 98 */ |
6439fc28 AM |
646 | { "cW{tR||tR|}", XX, XX, XX }, |
647 | { "cR{tO||tO|}", XX, XX, XX }, | |
648 | { "lcall{T|}", Ap, XX, XX }, | |
649 | { "(bad)", XX, XX, XX }, /* fwait */ | |
650 | { "pushfT", XX, XX, XX }, | |
651 | { "popfT", XX, XX, XX }, | |
652 | { "sahf{|}", XX, XX, XX }, | |
653 | { "lahf{|}", XX, XX, XX }, | |
252b5132 | 654 | /* a0 */ |
6439fc28 AM |
655 | { "movB", AL, Ob64, XX }, |
656 | { "movS", eAX, Ov64, XX }, | |
657 | { "movB", Ob64, AL, XX }, | |
658 | { "movS", Ov64, eAX, XX }, | |
659 | { "movs{b||b|}", Yb, Xb, XX }, | |
660 | { "movs{R||R|}", Yv, Xv, XX }, | |
661 | { "cmps{b||b|}", Xb, Yb, XX }, | |
662 | { "cmps{R||R|}", Xv, Yv, XX }, | |
252b5132 | 663 | /* a8 */ |
6439fc28 AM |
664 | { "testB", AL, Ib, XX }, |
665 | { "testS", eAX, Iv, XX }, | |
666 | { "stosB", Yb, AL, XX }, | |
667 | { "stosS", Yv, eAX, XX }, | |
668 | { "lodsB", AL, Xb, XX }, | |
669 | { "lodsS", eAX, Xv, XX }, | |
670 | { "scasB", AL, Yb, XX }, | |
671 | { "scasS", eAX, Yv, XX }, | |
252b5132 | 672 | /* b0 */ |
6439fc28 AM |
673 | { "movB", RMAL, Ib, XX }, |
674 | { "movB", RMCL, Ib, XX }, | |
675 | { "movB", RMDL, Ib, XX }, | |
676 | { "movB", RMBL, Ib, XX }, | |
677 | { "movB", RMAH, Ib, XX }, | |
678 | { "movB", RMCH, Ib, XX }, | |
679 | { "movB", RMDH, Ib, XX }, | |
680 | { "movB", RMBH, Ib, XX }, | |
252b5132 | 681 | /* b8 */ |
6439fc28 AM |
682 | { "movS", RMeAX, Iv64, XX }, |
683 | { "movS", RMeCX, Iv64, XX }, | |
684 | { "movS", RMeDX, Iv64, XX }, | |
685 | { "movS", RMeBX, Iv64, XX }, | |
686 | { "movS", RMeSP, Iv64, XX }, | |
687 | { "movS", RMeBP, Iv64, XX }, | |
688 | { "movS", RMeSI, Iv64, XX }, | |
689 | { "movS", RMeDI, Iv64, XX }, | |
252b5132 RH |
690 | /* c0 */ |
691 | { GRP2b }, | |
692 | { GRP2S }, | |
6439fc28 AM |
693 | { "retT", Iw, XX, XX }, |
694 | { "retT", XX, XX, XX }, | |
695 | { "les{S|}", Gv, Mp, XX }, | |
696 | { "ldsS", Gv, Mp, XX }, | |
697 | { "movA", Eb, Ib, XX }, | |
698 | { "movQ", Ev, Iv, XX }, | |
252b5132 | 699 | /* c8 */ |
6439fc28 AM |
700 | { "enterT", Iw, Ib, XX }, |
701 | { "leaveT", XX, XX, XX }, | |
702 | { "lretP", Iw, XX, XX }, | |
703 | { "lretP", XX, XX, XX }, | |
704 | { "int3", XX, XX, XX }, | |
705 | { "int", Ib, XX, XX }, | |
706 | { "into{|}", XX, XX, XX }, | |
707 | { "iretP", XX, XX, XX }, | |
252b5132 RH |
708 | /* d0 */ |
709 | { GRP2b_one }, | |
710 | { GRP2S_one }, | |
711 | { GRP2b_cl }, | |
712 | { GRP2S_cl }, | |
6439fc28 AM |
713 | { "aam{|}", sIb, XX, XX }, |
714 | { "aad{|}", sIb, XX, XX }, | |
715 | { "(bad)", XX, XX, XX }, | |
716 | { "xlat", DSBX, XX, XX }, | |
252b5132 RH |
717 | /* d8 */ |
718 | { FLOAT }, | |
719 | { FLOAT }, | |
720 | { FLOAT }, | |
721 | { FLOAT }, | |
722 | { FLOAT }, | |
723 | { FLOAT }, | |
724 | { FLOAT }, | |
725 | { FLOAT }, | |
726 | /* e0 */ | |
6439fc28 AM |
727 | { "loopneFH", Jb, XX, loop_jcxz_flag }, |
728 | { "loopeFH", Jb, XX, loop_jcxz_flag }, | |
729 | { "loopFH", Jb, XX, loop_jcxz_flag }, | |
730 | { "jEcxzH", Jb, XX, loop_jcxz_flag }, | |
731 | { "inB", AL, Ib, XX }, | |
732 | { "inS", eAX, Ib, XX }, | |
733 | { "outB", Ib, AL, XX }, | |
734 | { "outS", Ib, eAX, XX }, | |
252b5132 | 735 | /* e8 */ |
6439fc28 AM |
736 | { "callT", Jv, XX, XX }, |
737 | { "jmpT", Jv, XX, XX }, | |
738 | { "ljmp{T|}", Ap, XX, XX }, | |
739 | { "jmp", Jb, XX, XX }, | |
740 | { "inB", AL, indirDX, XX }, | |
741 | { "inS", eAX, indirDX, XX }, | |
742 | { "outB", indirDX, AL, XX }, | |
743 | { "outS", indirDX, eAX, XX }, | |
252b5132 | 744 | /* f0 */ |
6439fc28 | 745 | { "(bad)", XX, XX, XX }, /* lock prefix */ |
067186e4 | 746 | { "icebp", XX, XX, XX }, |
6439fc28 AM |
747 | { "(bad)", XX, XX, XX }, /* repne */ |
748 | { "(bad)", XX, XX, XX }, /* repz */ | |
749 | { "hlt", XX, XX, XX }, | |
750 | { "cmc", XX, XX, XX }, | |
252b5132 RH |
751 | { GRP3b }, |
752 | { GRP3S }, | |
753 | /* f8 */ | |
6439fc28 AM |
754 | { "clc", XX, XX, XX }, |
755 | { "stc", XX, XX, XX }, | |
756 | { "cli", XX, XX, XX }, | |
757 | { "sti", XX, XX, XX }, | |
758 | { "cld", XX, XX, XX }, | |
759 | { "std", XX, XX, XX }, | |
252b5132 RH |
760 | { GRP4 }, |
761 | { GRP5 }, | |
762 | }; | |
763 | ||
6439fc28 | 764 | static const struct dis386 dis386_twobyte[] = { |
252b5132 RH |
765 | /* 00 */ |
766 | { GRP6 }, | |
767 | { GRP7 }, | |
6439fc28 AM |
768 | { "larS", Gv, Ew, XX }, |
769 | { "lslS", Gv, Ew, XX }, | |
770 | { "(bad)", XX, XX, XX }, | |
771 | { "syscall", XX, XX, XX }, | |
772 | { "clts", XX, XX, XX }, | |
773 | { "sysretP", XX, XX, XX }, | |
252b5132 | 774 | /* 08 */ |
6439fc28 AM |
775 | { "invd", XX, XX, XX }, |
776 | { "wbinvd", XX, XX, XX }, | |
777 | { "(bad)", XX, XX, XX }, | |
778 | { "ud2a", XX, XX, XX }, | |
779 | { "(bad)", XX, XX, XX }, | |
c608c12e | 780 | { GRPAMD }, |
6439fc28 | 781 | { "femms", XX, XX, XX }, |
6608db57 | 782 | { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix. */ |
252b5132 | 783 | /* 10 */ |
c608c12e AM |
784 | { PREGRP8 }, |
785 | { PREGRP9 }, | |
ca164297 | 786 | { PREGRP30 }, |
6439fc28 AM |
787 | { "movlpX", EX, XM, SIMD_Fixup, 'h' }, |
788 | { "unpcklpX", XM, EX, XX }, | |
789 | { "unpckhpX", XM, EX, XX }, | |
ca164297 | 790 | { PREGRP31 }, |
6439fc28 | 791 | { "movhpX", EX, XM, SIMD_Fixup, 'l' }, |
252b5132 | 792 | /* 18 */ |
c608c12e | 793 | { GRP14 }, |
6439fc28 AM |
794 | { "(bad)", XX, XX, XX }, |
795 | { "(bad)", XX, XX, XX }, | |
796 | { "(bad)", XX, XX, XX }, | |
797 | { "(bad)", XX, XX, XX }, | |
798 | { "(bad)", XX, XX, XX }, | |
799 | { "(bad)", XX, XX, XX }, | |
800 | { "(bad)", XX, XX, XX }, | |
252b5132 | 801 | /* 20 */ |
6439fc28 AM |
802 | { "movL", Rm, Cm, XX }, |
803 | { "movL", Rm, Dm, XX }, | |
804 | { "movL", Cm, Rm, XX }, | |
805 | { "movL", Dm, Rm, XX }, | |
806 | { "movL", Rd, Td, XX }, | |
807 | { "(bad)", XX, XX, XX }, | |
808 | { "movL", Td, Rd, XX }, | |
809 | { "(bad)", XX, XX, XX }, | |
252b5132 | 810 | /* 28 */ |
6439fc28 AM |
811 | { "movapX", XM, EX, XX }, |
812 | { "movapX", EX, XM, XX }, | |
c608c12e | 813 | { PREGRP2 }, |
6439fc28 | 814 | { "movntpX", Ev, XM, XX }, |
2da11e11 | 815 | { PREGRP4 }, |
c608c12e | 816 | { PREGRP3 }, |
6439fc28 AM |
817 | { "ucomisX", XM,EX, XX }, |
818 | { "comisX", XM,EX, XX }, | |
252b5132 | 819 | /* 30 */ |
6439fc28 AM |
820 | { "wrmsr", XX, XX, XX }, |
821 | { "rdtsc", XX, XX, XX }, | |
822 | { "rdmsr", XX, XX, XX }, | |
823 | { "rdpmc", XX, XX, XX }, | |
824 | { "sysenter", XX, XX, XX }, | |
825 | { "sysexit", XX, XX, XX }, | |
826 | { "(bad)", XX, XX, XX }, | |
827 | { "(bad)", XX, XX, XX }, | |
252b5132 | 828 | /* 38 */ |
6439fc28 AM |
829 | { "(bad)", XX, XX, XX }, |
830 | { "(bad)", XX, XX, XX }, | |
831 | { "(bad)", XX, XX, XX }, | |
832 | { "(bad)", XX, XX, XX }, | |
833 | { "(bad)", XX, XX, XX }, | |
834 | { "(bad)", XX, XX, XX }, | |
835 | { "(bad)", XX, XX, XX }, | |
836 | { "(bad)", XX, XX, XX }, | |
252b5132 | 837 | /* 40 */ |
6439fc28 AM |
838 | { "cmovo", Gv, Ev, XX }, |
839 | { "cmovno", Gv, Ev, XX }, | |
840 | { "cmovb", Gv, Ev, XX }, | |
841 | { "cmovae", Gv, Ev, XX }, | |
842 | { "cmove", Gv, Ev, XX }, | |
843 | { "cmovne", Gv, Ev, XX }, | |
844 | { "cmovbe", Gv, Ev, XX }, | |
845 | { "cmova", Gv, Ev, XX }, | |
252b5132 | 846 | /* 48 */ |
6439fc28 AM |
847 | { "cmovs", Gv, Ev, XX }, |
848 | { "cmovns", Gv, Ev, XX }, | |
849 | { "cmovp", Gv, Ev, XX }, | |
850 | { "cmovnp", Gv, Ev, XX }, | |
851 | { "cmovl", Gv, Ev, XX }, | |
852 | { "cmovge", Gv, Ev, XX }, | |
853 | { "cmovle", Gv, Ev, XX }, | |
854 | { "cmovg", Gv, Ev, XX }, | |
252b5132 | 855 | /* 50 */ |
6439fc28 | 856 | { "movmskpX", Gd, XS, XX }, |
c608c12e AM |
857 | { PREGRP13 }, |
858 | { PREGRP12 }, | |
859 | { PREGRP11 }, | |
6439fc28 AM |
860 | { "andpX", XM, EX, XX }, |
861 | { "andnpX", XM, EX, XX }, | |
862 | { "orpX", XM, EX, XX }, | |
863 | { "xorpX", XM, EX, XX }, | |
252b5132 | 864 | /* 58 */ |
c608c12e AM |
865 | { PREGRP0 }, |
866 | { PREGRP10 }, | |
041bd2e0 JH |
867 | { PREGRP17 }, |
868 | { PREGRP16 }, | |
c608c12e AM |
869 | { PREGRP14 }, |
870 | { PREGRP7 }, | |
871 | { PREGRP5 }, | |
2da11e11 | 872 | { PREGRP6 }, |
252b5132 | 873 | /* 60 */ |
6439fc28 AM |
874 | { "punpcklbw", MX, EM, XX }, |
875 | { "punpcklwd", MX, EM, XX }, | |
876 | { "punpckldq", MX, EM, XX }, | |
877 | { "packsswb", MX, EM, XX }, | |
878 | { "pcmpgtb", MX, EM, XX }, | |
879 | { "pcmpgtw", MX, EM, XX }, | |
880 | { "pcmpgtd", MX, EM, XX }, | |
881 | { "packuswb", MX, EM, XX }, | |
252b5132 | 882 | /* 68 */ |
6439fc28 AM |
883 | { "punpckhbw", MX, EM, XX }, |
884 | { "punpckhwd", MX, EM, XX }, | |
885 | { "punpckhdq", MX, EM, XX }, | |
886 | { "packssdw", MX, EM, XX }, | |
0f17484f | 887 | { PREGRP26 }, |
041bd2e0 | 888 | { PREGRP24 }, |
db6eb5be | 889 | { "movd", MX, Edq, XX }, |
041bd2e0 | 890 | { PREGRP19 }, |
252b5132 | 891 | /* 70 */ |
041bd2e0 | 892 | { PREGRP22 }, |
252b5132 RH |
893 | { GRP10 }, |
894 | { GRP11 }, | |
895 | { GRP12 }, | |
6439fc28 AM |
896 | { "pcmpeqb", MX, EM, XX }, |
897 | { "pcmpeqw", MX, EM, XX }, | |
898 | { "pcmpeqd", MX, EM, XX }, | |
899 | { "emms", XX, XX, XX }, | |
252b5132 | 900 | /* 78 */ |
6439fc28 AM |
901 | { "(bad)", XX, XX, XX }, |
902 | { "(bad)", XX, XX, XX }, | |
903 | { "(bad)", XX, XX, XX }, | |
904 | { "(bad)", XX, XX, XX }, | |
ca164297 L |
905 | { PREGRP28 }, |
906 | { PREGRP29 }, | |
041bd2e0 JH |
907 | { PREGRP23 }, |
908 | { PREGRP20 }, | |
252b5132 | 909 | /* 80 */ |
6439fc28 AM |
910 | { "joH", Jv, XX, cond_jump_flag }, |
911 | { "jnoH", Jv, XX, cond_jump_flag }, | |
912 | { "jbH", Jv, XX, cond_jump_flag }, | |
913 | { "jaeH", Jv, XX, cond_jump_flag }, | |
914 | { "jeH", Jv, XX, cond_jump_flag }, | |
915 | { "jneH", Jv, XX, cond_jump_flag }, | |
916 | { "jbeH", Jv, XX, cond_jump_flag }, | |
917 | { "jaH", Jv, XX, cond_jump_flag }, | |
252b5132 | 918 | /* 88 */ |
6439fc28 AM |
919 | { "jsH", Jv, XX, cond_jump_flag }, |
920 | { "jnsH", Jv, XX, cond_jump_flag }, | |
921 | { "jpH", Jv, XX, cond_jump_flag }, | |
922 | { "jnpH", Jv, XX, cond_jump_flag }, | |
923 | { "jlH", Jv, XX, cond_jump_flag }, | |
924 | { "jgeH", Jv, XX, cond_jump_flag }, | |
925 | { "jleH", Jv, XX, cond_jump_flag }, | |
926 | { "jgH", Jv, XX, cond_jump_flag }, | |
252b5132 | 927 | /* 90 */ |
6439fc28 AM |
928 | { "seto", Eb, XX, XX }, |
929 | { "setno", Eb, XX, XX }, | |
930 | { "setb", Eb, XX, XX }, | |
931 | { "setae", Eb, XX, XX }, | |
932 | { "sete", Eb, XX, XX }, | |
933 | { "setne", Eb, XX, XX }, | |
934 | { "setbe", Eb, XX, XX }, | |
935 | { "seta", Eb, XX, XX }, | |
252b5132 | 936 | /* 98 */ |
6439fc28 AM |
937 | { "sets", Eb, XX, XX }, |
938 | { "setns", Eb, XX, XX }, | |
939 | { "setp", Eb, XX, XX }, | |
940 | { "setnp", Eb, XX, XX }, | |
941 | { "setl", Eb, XX, XX }, | |
942 | { "setge", Eb, XX, XX }, | |
943 | { "setle", Eb, XX, XX }, | |
944 | { "setg", Eb, XX, XX }, | |
252b5132 | 945 | /* a0 */ |
6439fc28 AM |
946 | { "pushT", fs, XX, XX }, |
947 | { "popT", fs, XX, XX }, | |
948 | { "cpuid", XX, XX, XX }, | |
949 | { "btS", Ev, Gv, XX }, | |
950 | { "shldS", Ev, Gv, Ib }, | |
951 | { "shldS", Ev, Gv, CL }, | |
952 | { "(bad)", XX, XX, XX }, | |
953 | { "(bad)", XX, XX, XX }, | |
252b5132 | 954 | /* a8 */ |
6439fc28 AM |
955 | { "pushT", gs, XX, XX }, |
956 | { "popT", gs, XX, XX }, | |
957 | { "rsm", XX, XX, XX }, | |
958 | { "btsS", Ev, Gv, XX }, | |
959 | { "shrdS", Ev, Gv, Ib }, | |
960 | { "shrdS", Ev, Gv, CL }, | |
252b5132 | 961 | { GRP13 }, |
6439fc28 | 962 | { "imulS", Gv, Ev, XX }, |
252b5132 | 963 | /* b0 */ |
6439fc28 AM |
964 | { "cmpxchgB", Eb, Gb, XX }, |
965 | { "cmpxchgS", Ev, Gv, XX }, | |
966 | { "lssS", Gv, Mp, XX }, | |
967 | { "btrS", Ev, Gv, XX }, | |
968 | { "lfsS", Gv, Mp, XX }, | |
969 | { "lgsS", Gv, Mp, XX }, | |
970 | { "movz{bR|x|bR|x}", Gv, Eb, XX }, | |
971 | { "movz{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movzww ! */ | |
252b5132 | 972 | /* b8 */ |
6439fc28 AM |
973 | { "(bad)", XX, XX, XX }, |
974 | { "ud2b", XX, XX, XX }, | |
252b5132 | 975 | { GRP8 }, |
6439fc28 AM |
976 | { "btcS", Ev, Gv, XX }, |
977 | { "bsfS", Gv, Ev, XX }, | |
978 | { "bsrS", Gv, Ev, XX }, | |
979 | { "movs{bR|x|bR|x}", Gv, Eb, XX }, | |
980 | { "movs{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movsww ! */ | |
252b5132 | 981 | /* c0 */ |
6439fc28 AM |
982 | { "xaddB", Eb, Gb, XX }, |
983 | { "xaddS", Ev, Gv, XX }, | |
c608c12e | 984 | { PREGRP1 }, |
6439fc28 AM |
985 | { "movntiS", Ev, Gv, XX }, |
986 | { "pinsrw", MX, Ed, Ib }, | |
987 | { "pextrw", Gd, MS, Ib }, | |
988 | { "shufpX", XM, EX, Ib }, | |
252b5132 RH |
989 | { GRP9 }, |
990 | /* c8 */ | |
6439fc28 AM |
991 | { "bswap", RMeAX, XX, XX }, |
992 | { "bswap", RMeCX, XX, XX }, | |
993 | { "bswap", RMeDX, XX, XX }, | |
994 | { "bswap", RMeBX, XX, XX }, | |
995 | { "bswap", RMeSP, XX, XX }, | |
996 | { "bswap", RMeBP, XX, XX }, | |
997 | { "bswap", RMeSI, XX, XX }, | |
998 | { "bswap", RMeDI, XX, XX }, | |
252b5132 | 999 | /* d0 */ |
ca164297 | 1000 | { PREGRP27 }, |
6439fc28 AM |
1001 | { "psrlw", MX, EM, XX }, |
1002 | { "psrld", MX, EM, XX }, | |
1003 | { "psrlq", MX, EM, XX }, | |
1004 | { "paddq", MX, EM, XX }, | |
1005 | { "pmullw", MX, EM, XX }, | |
041bd2e0 | 1006 | { PREGRP21 }, |
6439fc28 | 1007 | { "pmovmskb", Gd, MS, XX }, |
252b5132 | 1008 | /* d8 */ |
6439fc28 AM |
1009 | { "psubusb", MX, EM, XX }, |
1010 | { "psubusw", MX, EM, XX }, | |
1011 | { "pminub", MX, EM, XX }, | |
1012 | { "pand", MX, EM, XX }, | |
1013 | { "paddusb", MX, EM, XX }, | |
1014 | { "paddusw", MX, EM, XX }, | |
1015 | { "pmaxub", MX, EM, XX }, | |
1016 | { "pandn", MX, EM, XX }, | |
252b5132 | 1017 | /* e0 */ |
6439fc28 AM |
1018 | { "pavgb", MX, EM, XX }, |
1019 | { "psraw", MX, EM, XX }, | |
1020 | { "psrad", MX, EM, XX }, | |
1021 | { "pavgw", MX, EM, XX }, | |
1022 | { "pmulhuw", MX, EM, XX }, | |
1023 | { "pmulhw", MX, EM, XX }, | |
041bd2e0 | 1024 | { PREGRP15 }, |
0f17484f | 1025 | { PREGRP25 }, |
252b5132 | 1026 | /* e8 */ |
6439fc28 AM |
1027 | { "psubsb", MX, EM, XX }, |
1028 | { "psubsw", MX, EM, XX }, | |
1029 | { "pminsw", MX, EM, XX }, | |
1030 | { "por", MX, EM, XX }, | |
1031 | { "paddsb", MX, EM, XX }, | |
1032 | { "paddsw", MX, EM, XX }, | |
1033 | { "pmaxsw", MX, EM, XX }, | |
1034 | { "pxor", MX, EM, XX }, | |
252b5132 | 1035 | /* f0 */ |
ca164297 | 1036 | { PREGRP32 }, |
6439fc28 AM |
1037 | { "psllw", MX, EM, XX }, |
1038 | { "pslld", MX, EM, XX }, | |
1039 | { "psllq", MX, EM, XX }, | |
1040 | { "pmuludq", MX, EM, XX }, | |
1041 | { "pmaddwd", MX, EM, XX }, | |
1042 | { "psadbw", MX, EM, XX }, | |
041bd2e0 | 1043 | { PREGRP18 }, |
252b5132 | 1044 | /* f8 */ |
6439fc28 AM |
1045 | { "psubb", MX, EM, XX }, |
1046 | { "psubw", MX, EM, XX }, | |
1047 | { "psubd", MX, EM, XX }, | |
1048 | { "psubq", MX, EM, XX }, | |
1049 | { "paddb", MX, EM, XX }, | |
1050 | { "paddw", MX, EM, XX }, | |
1051 | { "paddd", MX, EM, XX }, | |
1052 | { "(bad)", XX, XX, XX } | |
252b5132 RH |
1053 | }; |
1054 | ||
1055 | static const unsigned char onebyte_has_modrm[256] = { | |
c608c12e AM |
1056 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
1057 | /* ------------------------------- */ | |
1058 | /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */ | |
1059 | /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */ | |
1060 | /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */ | |
1061 | /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */ | |
1062 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */ | |
1063 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */ | |
1064 | /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */ | |
1065 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */ | |
1066 | /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ | |
1067 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */ | |
1068 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */ | |
1069 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */ | |
1070 | /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */ | |
1071 | /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */ | |
1072 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */ | |
1073 | /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */ | |
1074 | /* ------------------------------- */ | |
1075 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
252b5132 RH |
1076 | }; |
1077 | ||
1078 | static const unsigned char twobyte_has_modrm[256] = { | |
c608c12e AM |
1079 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
1080 | /* ------------------------------- */ | |
252b5132 | 1081 | /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */ |
c608c12e | 1082 | /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */ |
4bba6815 | 1083 | /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */ |
252b5132 RH |
1084 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ |
1085 | /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ | |
4bba6815 AM |
1086 | /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */ |
1087 | /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */ | |
ca164297 | 1088 | /* 70 */ 1,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1, /* 7f */ |
252b5132 RH |
1089 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ |
1090 | /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */ | |
4bba6815 | 1091 | /* a0 */ 0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* af */ |
252b5132 RH |
1092 | /* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */ |
1093 | /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */ | |
ca164297 | 1094 | /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */ |
4bba6815 | 1095 | /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */ |
ca164297 | 1096 | /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */ |
c608c12e AM |
1097 | /* ------------------------------- */ |
1098 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1099 | }; | |
1100 | ||
041bd2e0 | 1101 | static const unsigned char twobyte_uses_SSE_prefix[256] = { |
c608c12e AM |
1102 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
1103 | /* ------------------------------- */ | |
1104 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
ca164297 | 1105 | /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */ |
c608c12e AM |
1106 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */ |
1107 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1108 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
041bd2e0 JH |
1109 | /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */ |
1110 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */ | |
ca164297 | 1111 | /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1, /* 7f */ |
c608c12e AM |
1112 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ |
1113 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1114 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1115 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1116 | /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
ca164297 | 1117 | /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ |
041bd2e0 | 1118 | /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ |
ca164297 | 1119 | /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */ |
c608c12e AM |
1120 | /* ------------------------------- */ |
1121 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
252b5132 RH |
1122 | }; |
1123 | ||
1124 | static char obuf[100]; | |
1125 | static char *obufp; | |
1126 | static char scratchbuf[100]; | |
1127 | static unsigned char *start_codep; | |
1128 | static unsigned char *insn_codep; | |
1129 | static unsigned char *codep; | |
1130 | static disassemble_info *the_info; | |
1131 | static int mod; | |
1132 | static int rm; | |
1133 | static int reg; | |
4bba6815 | 1134 | static unsigned char need_modrm; |
252b5132 | 1135 | |
4bba6815 AM |
1136 | /* If we are accessing mod/rm/reg without need_modrm set, then the |
1137 | values are stale. Hitting this abort likely indicates that you | |
1138 | need to update onebyte_has_modrm or twobyte_has_modrm. */ | |
1139 | #define MODRM_CHECK if (!need_modrm) abort () | |
1140 | ||
d708bcba AM |
1141 | static const char **names64; |
1142 | static const char **names32; | |
1143 | static const char **names16; | |
1144 | static const char **names8; | |
1145 | static const char **names8rex; | |
1146 | static const char **names_seg; | |
1147 | static const char **index16; | |
1148 | ||
1149 | static const char *intel_names64[] = { | |
1150 | "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", | |
1151 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
1152 | }; | |
1153 | static const char *intel_names32[] = { | |
1154 | "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", | |
1155 | "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" | |
1156 | }; | |
1157 | static const char *intel_names16[] = { | |
1158 | "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", | |
1159 | "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w" | |
1160 | }; | |
1161 | static const char *intel_names8[] = { | |
1162 | "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh", | |
1163 | }; | |
1164 | static const char *intel_names8rex[] = { | |
1165 | "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil", | |
1166 | "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b" | |
1167 | }; | |
1168 | static const char *intel_names_seg[] = { | |
1169 | "es", "cs", "ss", "ds", "fs", "gs", "?", "?", | |
1170 | }; | |
1171 | static const char *intel_index16[] = { | |
1172 | "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx" | |
1173 | }; | |
1174 | ||
1175 | static const char *att_names64[] = { | |
1176 | "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", | |
52b15da3 JH |
1177 | "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" |
1178 | }; | |
d708bcba AM |
1179 | static const char *att_names32[] = { |
1180 | "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", | |
52b15da3 | 1181 | "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" |
252b5132 | 1182 | }; |
d708bcba AM |
1183 | static const char *att_names16[] = { |
1184 | "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", | |
52b15da3 | 1185 | "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" |
252b5132 | 1186 | }; |
d708bcba AM |
1187 | static const char *att_names8[] = { |
1188 | "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", | |
252b5132 | 1189 | }; |
d708bcba AM |
1190 | static const char *att_names8rex[] = { |
1191 | "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", | |
52b15da3 JH |
1192 | "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" |
1193 | }; | |
d708bcba AM |
1194 | static const char *att_names_seg[] = { |
1195 | "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?", | |
252b5132 | 1196 | }; |
d708bcba AM |
1197 | static const char *att_index16[] = { |
1198 | "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx" | |
252b5132 RH |
1199 | }; |
1200 | ||
2da11e11 | 1201 | static const struct dis386 grps[][8] = { |
252b5132 RH |
1202 | /* GRP1b */ |
1203 | { | |
57d91c3c ILT |
1204 | { "addA", Eb, Ib, XX }, |
1205 | { "orA", Eb, Ib, XX }, | |
1206 | { "adcA", Eb, Ib, XX }, | |
1207 | { "sbbA", Eb, Ib, XX }, | |
1208 | { "andA", Eb, Ib, XX }, | |
1209 | { "subA", Eb, Ib, XX }, | |
1210 | { "xorA", Eb, Ib, XX }, | |
1211 | { "cmpA", Eb, Ib, XX } | |
252b5132 RH |
1212 | }, |
1213 | /* GRP1S */ | |
1214 | { | |
57d91c3c ILT |
1215 | { "addQ", Ev, Iv, XX }, |
1216 | { "orQ", Ev, Iv, XX }, | |
1217 | { "adcQ", Ev, Iv, XX }, | |
1218 | { "sbbQ", Ev, Iv, XX }, | |
1219 | { "andQ", Ev, Iv, XX }, | |
1220 | { "subQ", Ev, Iv, XX }, | |
1221 | { "xorQ", Ev, Iv, XX }, | |
1222 | { "cmpQ", Ev, Iv, XX } | |
252b5132 RH |
1223 | }, |
1224 | /* GRP1Ss */ | |
1225 | { | |
57d91c3c ILT |
1226 | { "addQ", Ev, sIb, XX }, |
1227 | { "orQ", Ev, sIb, XX }, | |
1228 | { "adcQ", Ev, sIb, XX }, | |
1229 | { "sbbQ", Ev, sIb, XX }, | |
1230 | { "andQ", Ev, sIb, XX }, | |
1231 | { "subQ", Ev, sIb, XX }, | |
1232 | { "xorQ", Ev, sIb, XX }, | |
1233 | { "cmpQ", Ev, sIb, XX } | |
252b5132 RH |
1234 | }, |
1235 | /* GRP2b */ | |
1236 | { | |
57d91c3c ILT |
1237 | { "rolA", Eb, Ib, XX }, |
1238 | { "rorA", Eb, Ib, XX }, | |
1239 | { "rclA", Eb, Ib, XX }, | |
1240 | { "rcrA", Eb, Ib, XX }, | |
1241 | { "shlA", Eb, Ib, XX }, | |
1242 | { "shrA", Eb, Ib, XX }, | |
1243 | { "(bad)", XX, XX, XX }, | |
1244 | { "sarA", Eb, Ib, XX }, | |
252b5132 RH |
1245 | }, |
1246 | /* GRP2S */ | |
1247 | { | |
57d91c3c ILT |
1248 | { "rolQ", Ev, Ib, XX }, |
1249 | { "rorQ", Ev, Ib, XX }, | |
1250 | { "rclQ", Ev, Ib, XX }, | |
1251 | { "rcrQ", Ev, Ib, XX }, | |
1252 | { "shlQ", Ev, Ib, XX }, | |
1253 | { "shrQ", Ev, Ib, XX }, | |
1254 | { "(bad)", XX, XX, XX }, | |
1255 | { "sarQ", Ev, Ib, XX }, | |
252b5132 RH |
1256 | }, |
1257 | /* GRP2b_one */ | |
1258 | { | |
57d91c3c ILT |
1259 | { "rolA", Eb, XX, XX }, |
1260 | { "rorA", Eb, XX, XX }, | |
1261 | { "rclA", Eb, XX, XX }, | |
1262 | { "rcrA", Eb, XX, XX }, | |
1263 | { "shlA", Eb, XX, XX }, | |
1264 | { "shrA", Eb, XX, XX }, | |
1265 | { "(bad)", XX, XX, XX }, | |
1266 | { "sarA", Eb, XX, XX }, | |
252b5132 RH |
1267 | }, |
1268 | /* GRP2S_one */ | |
1269 | { | |
57d91c3c ILT |
1270 | { "rolQ", Ev, XX, XX }, |
1271 | { "rorQ", Ev, XX, XX }, | |
1272 | { "rclQ", Ev, XX, XX }, | |
1273 | { "rcrQ", Ev, XX, XX }, | |
1274 | { "shlQ", Ev, XX, XX }, | |
1275 | { "shrQ", Ev, XX, XX }, | |
1276 | { "(bad)", XX, XX, XX}, | |
1277 | { "sarQ", Ev, XX, XX }, | |
252b5132 RH |
1278 | }, |
1279 | /* GRP2b_cl */ | |
1280 | { | |
57d91c3c ILT |
1281 | { "rolA", Eb, CL, XX }, |
1282 | { "rorA", Eb, CL, XX }, | |
1283 | { "rclA", Eb, CL, XX }, | |
1284 | { "rcrA", Eb, CL, XX }, | |
1285 | { "shlA", Eb, CL, XX }, | |
1286 | { "shrA", Eb, CL, XX }, | |
1287 | { "(bad)", XX, XX, XX }, | |
1288 | { "sarA", Eb, CL, XX }, | |
252b5132 RH |
1289 | }, |
1290 | /* GRP2S_cl */ | |
1291 | { | |
57d91c3c ILT |
1292 | { "rolQ", Ev, CL, XX }, |
1293 | { "rorQ", Ev, CL, XX }, | |
1294 | { "rclQ", Ev, CL, XX }, | |
1295 | { "rcrQ", Ev, CL, XX }, | |
1296 | { "shlQ", Ev, CL, XX }, | |
1297 | { "shrQ", Ev, CL, XX }, | |
1298 | { "(bad)", XX, XX, XX }, | |
1299 | { "sarQ", Ev, CL, XX } | |
252b5132 RH |
1300 | }, |
1301 | /* GRP3b */ | |
1302 | { | |
57d91c3c ILT |
1303 | { "testA", Eb, Ib, XX }, |
1304 | { "(bad)", Eb, XX, XX }, | |
1305 | { "notA", Eb, XX, XX }, | |
1306 | { "negA", Eb, XX, XX }, | |
8227b51f AM |
1307 | { "mulA", Eb, XX, XX }, /* Don't print the implicit %al register, */ |
1308 | { "imulA", Eb, XX, XX }, /* to distinguish these opcodes from other */ | |
1309 | { "divA", Eb, XX, XX }, /* mul/imul opcodes. Do the same for div */ | |
1310 | { "idivA", Eb, XX, XX } /* and idiv for consistency. */ | |
252b5132 RH |
1311 | }, |
1312 | /* GRP3S */ | |
1313 | { | |
57d91c3c ILT |
1314 | { "testQ", Ev, Iv, XX }, |
1315 | { "(bad)", XX, XX, XX }, | |
1316 | { "notQ", Ev, XX, XX }, | |
1317 | { "negQ", Ev, XX, XX }, | |
8227b51f AM |
1318 | { "mulQ", Ev, XX, XX }, /* Don't print the implicit register. */ |
1319 | { "imulQ", Ev, XX, XX }, | |
1320 | { "divQ", Ev, XX, XX }, | |
1321 | { "idivQ", Ev, XX, XX }, | |
252b5132 RH |
1322 | }, |
1323 | /* GRP4 */ | |
1324 | { | |
57d91c3c ILT |
1325 | { "incA", Eb, XX, XX }, |
1326 | { "decA", Eb, XX, XX }, | |
1327 | { "(bad)", XX, XX, XX }, | |
1328 | { "(bad)", XX, XX, XX }, | |
1329 | { "(bad)", XX, XX, XX }, | |
1330 | { "(bad)", XX, XX, XX }, | |
1331 | { "(bad)", XX, XX, XX }, | |
1332 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1333 | }, |
1334 | /* GRP5 */ | |
1335 | { | |
57d91c3c ILT |
1336 | { "incQ", Ev, XX, XX }, |
1337 | { "decQ", Ev, XX, XX }, | |
6439fc28 AM |
1338 | { "callT", indirEv, XX, XX }, |
1339 | { "lcallT", indirEv, XX, XX }, | |
1340 | { "jmpT", indirEv, XX, XX }, | |
1341 | { "ljmpT", indirEv, XX, XX }, | |
1342 | { "pushU", Ev, XX, XX }, | |
57d91c3c | 1343 | { "(bad)", XX, XX, XX }, |
252b5132 RH |
1344 | }, |
1345 | /* GRP6 */ | |
1346 | { | |
e5470cdc AM |
1347 | { "sldtQ", Ev, XX, XX }, |
1348 | { "strQ", Ev, XX, XX }, | |
57d91c3c ILT |
1349 | { "lldt", Ew, XX, XX }, |
1350 | { "ltr", Ew, XX, XX }, | |
1351 | { "verr", Ew, XX, XX }, | |
1352 | { "verw", Ew, XX, XX }, | |
1353 | { "(bad)", XX, XX, XX }, | |
1354 | { "(bad)", XX, XX, XX } | |
252b5132 RH |
1355 | }, |
1356 | /* GRP7 */ | |
1357 | { | |
bcb5558b | 1358 | { "sgdtQ", M, XX, XX }, |
ca164297 | 1359 | { "sidtQ", PNI_Fixup, 0, XX, XX }, |
bcb5558b AM |
1360 | { "lgdtQ", M, XX, XX }, |
1361 | { "lidtQ", M, XX, XX }, | |
e5470cdc | 1362 | { "smswQ", Ev, XX, XX }, |
bcb5558b AM |
1363 | { "(bad)", XX, XX, XX }, |
1364 | { "lmsw", Ew, XX, XX }, | |
1365 | { "invlpg", Ew, XX, XX }, | |
252b5132 RH |
1366 | }, |
1367 | /* GRP8 */ | |
1368 | { | |
57d91c3c ILT |
1369 | { "(bad)", XX, XX, XX }, |
1370 | { "(bad)", XX, XX, XX }, | |
1371 | { "(bad)", XX, XX, XX }, | |
1372 | { "(bad)", XX, XX, XX }, | |
1373 | { "btQ", Ev, Ib, XX }, | |
1374 | { "btsQ", Ev, Ib, XX }, | |
1375 | { "btrQ", Ev, Ib, XX }, | |
1376 | { "btcQ", Ev, Ib, XX }, | |
252b5132 RH |
1377 | }, |
1378 | /* GRP9 */ | |
1379 | { | |
57d91c3c ILT |
1380 | { "(bad)", XX, XX, XX }, |
1381 | { "cmpxchg8b", Ev, XX, XX }, | |
1382 | { "(bad)", XX, XX, XX }, | |
1383 | { "(bad)", XX, XX, XX }, | |
1384 | { "(bad)", XX, XX, XX }, | |
1385 | { "(bad)", XX, XX, XX }, | |
1386 | { "(bad)", XX, XX, XX }, | |
1387 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1388 | }, |
1389 | /* GRP10 */ | |
1390 | { | |
57d91c3c ILT |
1391 | { "(bad)", XX, XX, XX }, |
1392 | { "(bad)", XX, XX, XX }, | |
1393 | { "psrlw", MS, Ib, XX }, | |
1394 | { "(bad)", XX, XX, XX }, | |
1395 | { "psraw", MS, Ib, XX }, | |
1396 | { "(bad)", XX, XX, XX }, | |
1397 | { "psllw", MS, Ib, XX }, | |
1398 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1399 | }, |
1400 | /* GRP11 */ | |
1401 | { | |
57d91c3c ILT |
1402 | { "(bad)", XX, XX, XX }, |
1403 | { "(bad)", XX, XX, XX }, | |
1404 | { "psrld", MS, Ib, XX }, | |
1405 | { "(bad)", XX, XX, XX }, | |
1406 | { "psrad", MS, Ib, XX }, | |
1407 | { "(bad)", XX, XX, XX }, | |
1408 | { "pslld", MS, Ib, XX }, | |
1409 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1410 | }, |
1411 | /* GRP12 */ | |
1412 | { | |
57d91c3c ILT |
1413 | { "(bad)", XX, XX, XX }, |
1414 | { "(bad)", XX, XX, XX }, | |
1415 | { "psrlq", MS, Ib, XX }, | |
041bd2e0 | 1416 | { "psrldq", MS, Ib, XX }, |
57d91c3c ILT |
1417 | { "(bad)", XX, XX, XX }, |
1418 | { "(bad)", XX, XX, XX }, | |
1419 | { "psllq", MS, Ib, XX }, | |
041bd2e0 | 1420 | { "pslldq", MS, Ib, XX }, |
252b5132 RH |
1421 | }, |
1422 | /* GRP13 */ | |
1423 | { | |
57d91c3c ILT |
1424 | { "fxsave", Ev, XX, XX }, |
1425 | { "fxrstor", Ev, XX, XX }, | |
1426 | { "ldmxcsr", Ev, XX, XX }, | |
1427 | { "stmxcsr", Ev, XX, XX }, | |
1428 | { "(bad)", XX, XX, XX }, | |
041bd2e0 JH |
1429 | { "lfence", None, XX, XX }, |
1430 | { "mfence", None, XX, XX }, | |
57d91c3c | 1431 | { "sfence", None, XX, XX }, |
6608db57 | 1432 | /* FIXME: the sfence with memory operand is clflush! */ |
c608c12e AM |
1433 | }, |
1434 | /* GRP14 */ | |
1435 | { | |
57d91c3c ILT |
1436 | { "prefetchnta", Ev, XX, XX }, |
1437 | { "prefetcht0", Ev, XX, XX }, | |
1438 | { "prefetcht1", Ev, XX, XX }, | |
1439 | { "prefetcht2", Ev, XX, XX }, | |
1440 | { "(bad)", XX, XX, XX }, | |
1441 | { "(bad)", XX, XX, XX }, | |
1442 | { "(bad)", XX, XX, XX }, | |
1443 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1444 | }, |
c608c12e | 1445 | /* GRPAMD */ |
252b5132 | 1446 | { |
57d91c3c ILT |
1447 | { "prefetch", Eb, XX, XX }, |
1448 | { "prefetchw", Eb, XX, XX }, | |
1449 | { "(bad)", XX, XX, XX }, | |
1450 | { "(bad)", XX, XX, XX }, | |
1451 | { "(bad)", XX, XX, XX }, | |
1452 | { "(bad)", XX, XX, XX }, | |
1453 | { "(bad)", XX, XX, XX }, | |
1454 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1455 | } |
252b5132 RH |
1456 | }; |
1457 | ||
041bd2e0 | 1458 | static const struct dis386 prefix_user_table[][4] = { |
c608c12e AM |
1459 | /* PREGRP0 */ |
1460 | { | |
57d91c3c ILT |
1461 | { "addps", XM, EX, XX }, |
1462 | { "addss", XM, EX, XX }, | |
041bd2e0 JH |
1463 | { "addpd", XM, EX, XX }, |
1464 | { "addsd", XM, EX, XX }, | |
c608c12e AM |
1465 | }, |
1466 | /* PREGRP1 */ | |
1467 | { | |
6608db57 | 1468 | { "", XM, EX, OPSIMD }, /* See OP_SIMD_SUFFIX. */ |
c608c12e | 1469 | { "", XM, EX, OPSIMD }, |
041bd2e0 JH |
1470 | { "", XM, EX, OPSIMD }, |
1471 | { "", XM, EX, OPSIMD }, | |
c608c12e AM |
1472 | }, |
1473 | /* PREGRP2 */ | |
1474 | { | |
57d91c3c | 1475 | { "cvtpi2ps", XM, EM, XX }, |
76f227a5 | 1476 | { "cvtsi2ssY", XM, Ev, XX }, |
041bd2e0 | 1477 | { "cvtpi2pd", XM, EM, XX }, |
76f227a5 | 1478 | { "cvtsi2sdY", XM, Ev, XX }, |
c608c12e AM |
1479 | }, |
1480 | /* PREGRP3 */ | |
1481 | { | |
57d91c3c | 1482 | { "cvtps2pi", MX, EX, XX }, |
76f227a5 | 1483 | { "cvtss2siY", Gv, EX, XX }, |
041bd2e0 | 1484 | { "cvtpd2pi", MX, EX, XX }, |
76f227a5 | 1485 | { "cvtsd2siY", Gv, EX, XX }, |
c608c12e AM |
1486 | }, |
1487 | /* PREGRP4 */ | |
1488 | { | |
57d91c3c | 1489 | { "cvttps2pi", MX, EX, XX }, |
76f227a5 | 1490 | { "cvttss2siY", Gv, EX, XX }, |
041bd2e0 | 1491 | { "cvttpd2pi", MX, EX, XX }, |
76f227a5 | 1492 | { "cvttsd2siY", Gv, EX, XX }, |
c608c12e AM |
1493 | }, |
1494 | /* PREGRP5 */ | |
1495 | { | |
57d91c3c ILT |
1496 | { "divps", XM, EX, XX }, |
1497 | { "divss", XM, EX, XX }, | |
041bd2e0 JH |
1498 | { "divpd", XM, EX, XX }, |
1499 | { "divsd", XM, EX, XX }, | |
c608c12e AM |
1500 | }, |
1501 | /* PREGRP6 */ | |
1502 | { | |
57d91c3c ILT |
1503 | { "maxps", XM, EX, XX }, |
1504 | { "maxss", XM, EX, XX }, | |
041bd2e0 JH |
1505 | { "maxpd", XM, EX, XX }, |
1506 | { "maxsd", XM, EX, XX }, | |
c608c12e AM |
1507 | }, |
1508 | /* PREGRP7 */ | |
1509 | { | |
57d91c3c ILT |
1510 | { "minps", XM, EX, XX }, |
1511 | { "minss", XM, EX, XX }, | |
041bd2e0 JH |
1512 | { "minpd", XM, EX, XX }, |
1513 | { "minsd", XM, EX, XX }, | |
c608c12e AM |
1514 | }, |
1515 | /* PREGRP8 */ | |
1516 | { | |
57d91c3c ILT |
1517 | { "movups", XM, EX, XX }, |
1518 | { "movss", XM, EX, XX }, | |
041bd2e0 JH |
1519 | { "movupd", XM, EX, XX }, |
1520 | { "movsd", XM, EX, XX }, | |
c608c12e AM |
1521 | }, |
1522 | /* PREGRP9 */ | |
1523 | { | |
57d91c3c ILT |
1524 | { "movups", EX, XM, XX }, |
1525 | { "movss", EX, XM, XX }, | |
041bd2e0 JH |
1526 | { "movupd", EX, XM, XX }, |
1527 | { "movsd", EX, XM, XX }, | |
c608c12e AM |
1528 | }, |
1529 | /* PREGRP10 */ | |
1530 | { | |
57d91c3c ILT |
1531 | { "mulps", XM, EX, XX }, |
1532 | { "mulss", XM, EX, XX }, | |
041bd2e0 JH |
1533 | { "mulpd", XM, EX, XX }, |
1534 | { "mulsd", XM, EX, XX }, | |
c608c12e AM |
1535 | }, |
1536 | /* PREGRP11 */ | |
1537 | { | |
57d91c3c ILT |
1538 | { "rcpps", XM, EX, XX }, |
1539 | { "rcpss", XM, EX, XX }, | |
041bd2e0 JH |
1540 | { "(bad)", XM, EX, XX }, |
1541 | { "(bad)", XM, EX, XX }, | |
c608c12e AM |
1542 | }, |
1543 | /* PREGRP12 */ | |
1544 | { | |
57d91c3c ILT |
1545 | { "rsqrtps", XM, EX, XX }, |
1546 | { "rsqrtss", XM, EX, XX }, | |
041bd2e0 JH |
1547 | { "(bad)", XM, EX, XX }, |
1548 | { "(bad)", XM, EX, XX }, | |
c608c12e AM |
1549 | }, |
1550 | /* PREGRP13 */ | |
1551 | { | |
57d91c3c ILT |
1552 | { "sqrtps", XM, EX, XX }, |
1553 | { "sqrtss", XM, EX, XX }, | |
041bd2e0 JH |
1554 | { "sqrtpd", XM, EX, XX }, |
1555 | { "sqrtsd", XM, EX, XX }, | |
c608c12e AM |
1556 | }, |
1557 | /* PREGRP14 */ | |
1558 | { | |
57d91c3c ILT |
1559 | { "subps", XM, EX, XX }, |
1560 | { "subss", XM, EX, XX }, | |
041bd2e0 JH |
1561 | { "subpd", XM, EX, XX }, |
1562 | { "subsd", XM, EX, XX }, | |
1563 | }, | |
1564 | /* PREGRP15 */ | |
1565 | { | |
1566 | { "(bad)", XM, EX, XX }, | |
1567 | { "cvtdq2pd", XM, EX, XX }, | |
1568 | { "cvttpd2dq", XM, EX, XX }, | |
1569 | { "cvtpd2dq", XM, EX, XX }, | |
1570 | }, | |
1571 | /* PREGRP16 */ | |
1572 | { | |
1573 | { "cvtdq2ps", XM, EX, XX }, | |
1574 | { "cvttps2dq",XM, EX, XX }, | |
1575 | { "cvtps2dq",XM, EX, XX }, | |
1576 | { "(bad)", XM, EX, XX }, | |
1577 | }, | |
1578 | /* PREGRP17 */ | |
1579 | { | |
1580 | { "cvtps2pd", XM, EX, XX }, | |
1581 | { "cvtss2sd", XM, EX, XX }, | |
1582 | { "cvtpd2ps", XM, EX, XX }, | |
1583 | { "cvtsd2ss", XM, EX, XX }, | |
1584 | }, | |
1585 | /* PREGRP18 */ | |
1586 | { | |
992aaec9 | 1587 | { "maskmovq", MX, MS, XX }, |
041bd2e0 | 1588 | { "(bad)", XM, EX, XX }, |
0f17484f | 1589 | { "maskmovdqu", XM, EX, XX }, |
041bd2e0 JH |
1590 | { "(bad)", XM, EX, XX }, |
1591 | }, | |
1592 | /* PREGRP19 */ | |
1593 | { | |
1594 | { "movq", MX, EM, XX }, | |
1595 | { "movdqu", XM, EX, XX }, | |
1596 | { "movdqa", XM, EX, XX }, | |
1597 | { "(bad)", XM, EX, XX }, | |
1598 | }, | |
1599 | /* PREGRP20 */ | |
1600 | { | |
1601 | { "movq", EM, MX, XX }, | |
1602 | { "movdqu", EX, XM, XX }, | |
1603 | { "movdqa", EX, XM, XX }, | |
1604 | { "(bad)", EX, XM, XX }, | |
1605 | }, | |
1606 | /* PREGRP21 */ | |
1607 | { | |
1608 | { "(bad)", EX, XM, XX }, | |
67d6227d | 1609 | { "movq2dq", XM, MS, XX }, |
041bd2e0 | 1610 | { "movq", EX, XM, XX }, |
67d6227d | 1611 | { "movdq2q", MX, XS, XX }, |
041bd2e0 JH |
1612 | }, |
1613 | /* PREGRP22 */ | |
1614 | { | |
1615 | { "pshufw", MX, EM, Ib }, | |
1616 | { "pshufhw", XM, EX, Ib }, | |
1617 | { "pshufd", XM, EX, Ib }, | |
1618 | { "pshuflw", XM, EX, Ib }, | |
1619 | }, | |
1620 | /* PREGRP23 */ | |
1621 | { | |
db6eb5be | 1622 | { "movd", Edq, MX, XX }, |
67d6227d | 1623 | { "movq", XM, EX, XX }, |
db6eb5be | 1624 | { "movd", Edq, XM, XX }, |
0f17484f | 1625 | { "(bad)", Ed, XM, XX }, |
041bd2e0 JH |
1626 | }, |
1627 | /* PREGRP24 */ | |
1628 | { | |
0f17484f AM |
1629 | { "(bad)", MX, EX, XX }, |
1630 | { "(bad)", XM, EX, XX }, | |
041bd2e0 | 1631 | { "punpckhqdq", XM, EX, XX }, |
0f17484f AM |
1632 | { "(bad)", XM, EX, XX }, |
1633 | }, | |
1634 | /* PREGRP25 */ | |
1635 | { | |
1636 | { "movntq", Ev, MX, XX }, | |
1637 | { "(bad)", Ev, XM, XX }, | |
1638 | { "movntdq", Ev, XM, XX }, | |
1639 | { "(bad)", Ev, XM, XX }, | |
1640 | }, | |
1641 | /* PREGRP26 */ | |
1642 | { | |
1643 | { "(bad)", MX, EX, XX }, | |
1644 | { "(bad)", XM, EX, XX }, | |
1645 | { "punpcklqdq", XM, EX, XX }, | |
1646 | { "(bad)", XM, EX, XX }, | |
041bd2e0 | 1647 | }, |
ca164297 L |
1648 | /* PREGRP27 */ |
1649 | { | |
1650 | { "(bad)", MX, EX, XX }, | |
1651 | { "(bad)", XM, EX, XX }, | |
1652 | { "addsubpd", XM, EX, XX }, | |
1653 | { "addsubps", XM, EX, XX }, | |
1654 | }, | |
1655 | /* PREGRP28 */ | |
1656 | { | |
1657 | { "(bad)", MX, EX, XX }, | |
1658 | { "(bad)", XM, EX, XX }, | |
1659 | { "haddpd", XM, EX, XX }, | |
1660 | { "haddps", XM, EX, XX }, | |
1661 | }, | |
1662 | /* PREGRP29 */ | |
1663 | { | |
1664 | { "(bad)", MX, EX, XX }, | |
1665 | { "(bad)", XM, EX, XX }, | |
1666 | { "hsubpd", XM, EX, XX }, | |
1667 | { "hsubps", XM, EX, XX }, | |
1668 | }, | |
1669 | /* PREGRP30 */ | |
1670 | { | |
1671 | { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */ | |
1672 | { "movsldup", XM, EX, XX }, | |
1673 | { "movlpd", XM, EX, XX }, | |
1674 | { "movddup", XM, EX, XX }, | |
1675 | }, | |
1676 | /* PREGRP31 */ | |
1677 | { | |
1678 | { "movhpX", XM, EX, SIMD_Fixup, 'l' }, | |
1679 | { "movshdup", XM, EX, XX }, | |
1680 | { "movhpd", XM, EX, XX }, | |
1681 | { "(bad)", XM, EX, XX }, | |
1682 | }, | |
1683 | /* PREGRP32 */ | |
1684 | { | |
1685 | { "(bad)", XM, EX, XX }, | |
1686 | { "(bad)", XM, EX, XX }, | |
1687 | { "(bad)", XM, EX, XX }, | |
1688 | { "lddqu", XM, M, XX }, | |
1689 | }, | |
c608c12e AM |
1690 | }; |
1691 | ||
6439fc28 AM |
1692 | static const struct dis386 x86_64_table[][2] = { |
1693 | { | |
1694 | { "arpl", Ew, Gw, XX }, | |
1695 | { "movs{||lq|xd}", Gv, Ed, XX }, | |
1696 | }, | |
1697 | }; | |
1698 | ||
c608c12e AM |
1699 | #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>") |
1700 | ||
252b5132 RH |
1701 | static void |
1702 | ckprefix () | |
1703 | { | |
52b15da3 JH |
1704 | int newrex; |
1705 | rex = 0; | |
252b5132 | 1706 | prefixes = 0; |
7d421014 | 1707 | used_prefixes = 0; |
52b15da3 | 1708 | rex_used = 0; |
252b5132 RH |
1709 | while (1) |
1710 | { | |
1711 | FETCH_DATA (the_info, codep + 1); | |
52b15da3 | 1712 | newrex = 0; |
252b5132 RH |
1713 | switch (*codep) |
1714 | { | |
52b15da3 JH |
1715 | /* REX prefixes family. */ |
1716 | case 0x40: | |
1717 | case 0x41: | |
1718 | case 0x42: | |
1719 | case 0x43: | |
1720 | case 0x44: | |
1721 | case 0x45: | |
1722 | case 0x46: | |
1723 | case 0x47: | |
1724 | case 0x48: | |
1725 | case 0x49: | |
1726 | case 0x4a: | |
1727 | case 0x4b: | |
1728 | case 0x4c: | |
1729 | case 0x4d: | |
1730 | case 0x4e: | |
1731 | case 0x4f: | |
1732 | if (mode_64bit) | |
1733 | newrex = *codep; | |
1734 | else | |
1735 | return; | |
1736 | break; | |
252b5132 RH |
1737 | case 0xf3: |
1738 | prefixes |= PREFIX_REPZ; | |
1739 | break; | |
1740 | case 0xf2: | |
1741 | prefixes |= PREFIX_REPNZ; | |
1742 | break; | |
1743 | case 0xf0: | |
1744 | prefixes |= PREFIX_LOCK; | |
1745 | break; | |
1746 | case 0x2e: | |
1747 | prefixes |= PREFIX_CS; | |
1748 | break; | |
1749 | case 0x36: | |
1750 | prefixes |= PREFIX_SS; | |
1751 | break; | |
1752 | case 0x3e: | |
1753 | prefixes |= PREFIX_DS; | |
1754 | break; | |
1755 | case 0x26: | |
1756 | prefixes |= PREFIX_ES; | |
1757 | break; | |
1758 | case 0x64: | |
1759 | prefixes |= PREFIX_FS; | |
1760 | break; | |
1761 | case 0x65: | |
1762 | prefixes |= PREFIX_GS; | |
1763 | break; | |
1764 | case 0x66: | |
1765 | prefixes |= PREFIX_DATA; | |
1766 | break; | |
1767 | case 0x67: | |
1768 | prefixes |= PREFIX_ADDR; | |
1769 | break; | |
5076851f | 1770 | case FWAIT_OPCODE: |
252b5132 RH |
1771 | /* fwait is really an instruction. If there are prefixes |
1772 | before the fwait, they belong to the fwait, *not* to the | |
1773 | following instruction. */ | |
1774 | if (prefixes) | |
1775 | { | |
1776 | prefixes |= PREFIX_FWAIT; | |
1777 | codep++; | |
1778 | return; | |
1779 | } | |
1780 | prefixes = PREFIX_FWAIT; | |
1781 | break; | |
1782 | default: | |
1783 | return; | |
1784 | } | |
52b15da3 JH |
1785 | /* Rex is ignored when followed by another prefix. */ |
1786 | if (rex) | |
1787 | { | |
1788 | oappend (prefix_name (rex, 0)); | |
1789 | oappend (" "); | |
1790 | } | |
1791 | rex = newrex; | |
252b5132 RH |
1792 | codep++; |
1793 | } | |
1794 | } | |
1795 | ||
7d421014 ILT |
1796 | /* Return the name of the prefix byte PREF, or NULL if PREF is not a |
1797 | prefix byte. */ | |
1798 | ||
1799 | static const char * | |
1800 | prefix_name (pref, sizeflag) | |
1801 | int pref; | |
1802 | int sizeflag; | |
1803 | { | |
1804 | switch (pref) | |
1805 | { | |
52b15da3 JH |
1806 | /* REX prefixes family. */ |
1807 | case 0x40: | |
1808 | return "rex"; | |
1809 | case 0x41: | |
1810 | return "rexZ"; | |
1811 | case 0x42: | |
1812 | return "rexY"; | |
1813 | case 0x43: | |
1814 | return "rexYZ"; | |
1815 | case 0x44: | |
1816 | return "rexX"; | |
1817 | case 0x45: | |
1818 | return "rexXZ"; | |
1819 | case 0x46: | |
1820 | return "rexXY"; | |
1821 | case 0x47: | |
1822 | return "rexXYZ"; | |
1823 | case 0x48: | |
1824 | return "rex64"; | |
1825 | case 0x49: | |
1826 | return "rex64Z"; | |
1827 | case 0x4a: | |
1828 | return "rex64Y"; | |
1829 | case 0x4b: | |
1830 | return "rex64YZ"; | |
1831 | case 0x4c: | |
1832 | return "rex64X"; | |
1833 | case 0x4d: | |
1834 | return "rex64XZ"; | |
1835 | case 0x4e: | |
1836 | return "rex64XY"; | |
1837 | case 0x4f: | |
1838 | return "rex64XYZ"; | |
7d421014 ILT |
1839 | case 0xf3: |
1840 | return "repz"; | |
1841 | case 0xf2: | |
1842 | return "repnz"; | |
1843 | case 0xf0: | |
1844 | return "lock"; | |
1845 | case 0x2e: | |
1846 | return "cs"; | |
1847 | case 0x36: | |
1848 | return "ss"; | |
1849 | case 0x3e: | |
1850 | return "ds"; | |
1851 | case 0x26: | |
1852 | return "es"; | |
1853 | case 0x64: | |
1854 | return "fs"; | |
1855 | case 0x65: | |
1856 | return "gs"; | |
1857 | case 0x66: | |
1858 | return (sizeflag & DFLAG) ? "data16" : "data32"; | |
1859 | case 0x67: | |
c1a64871 | 1860 | if (mode_64bit) |
db6eb5be | 1861 | return (sizeflag & AFLAG) ? "addr32" : "addr64"; |
c1a64871 | 1862 | else |
db6eb5be | 1863 | return ((sizeflag & AFLAG) && !mode_64bit) ? "addr16" : "addr32"; |
7d421014 ILT |
1864 | case FWAIT_OPCODE: |
1865 | return "fwait"; | |
1866 | default: | |
1867 | return NULL; | |
1868 | } | |
1869 | } | |
1870 | ||
252b5132 RH |
1871 | static char op1out[100], op2out[100], op3out[100]; |
1872 | static int op_ad, op_index[3]; | |
7081ff04 AJ |
1873 | static bfd_vma op_address[3]; |
1874 | static bfd_vma op_riprel[3]; | |
52b15da3 | 1875 | static bfd_vma start_pc; |
252b5132 RH |
1876 | \f |
1877 | /* | |
1878 | * On the 386's of 1988, the maximum length of an instruction is 15 bytes. | |
1879 | * (see topic "Redundant prefixes" in the "Differences from 8086" | |
1880 | * section of the "Virtual 8086 Mode" chapter.) | |
1881 | * 'pc' should be the address of this instruction, it will | |
1882 | * be used to print the target address if this is a relative jump or call | |
1883 | * The function returns the length of this instruction in bytes. | |
1884 | */ | |
1885 | ||
252b5132 RH |
1886 | static char intel_syntax; |
1887 | static char open_char; | |
1888 | static char close_char; | |
1889 | static char separator_char; | |
1890 | static char scale_char; | |
1891 | ||
e396998b AM |
1892 | /* Here for backwards compatibility. When gdb stops using |
1893 | print_insn_i386_att and print_insn_i386_intel these functions can | |
1894 | disappear, and print_insn_i386 be merged into print_insn. */ | |
252b5132 RH |
1895 | int |
1896 | print_insn_i386_att (pc, info) | |
1897 | bfd_vma pc; | |
1898 | disassemble_info *info; | |
1899 | { | |
1900 | intel_syntax = 0; | |
e396998b AM |
1901 | |
1902 | return print_insn (pc, info); | |
252b5132 RH |
1903 | } |
1904 | ||
1905 | int | |
1906 | print_insn_i386_intel (pc, info) | |
1907 | bfd_vma pc; | |
1908 | disassemble_info *info; | |
1909 | { | |
1910 | intel_syntax = 1; | |
e396998b AM |
1911 | |
1912 | return print_insn (pc, info); | |
252b5132 RH |
1913 | } |
1914 | ||
e396998b | 1915 | int |
252b5132 RH |
1916 | print_insn_i386 (pc, info) |
1917 | bfd_vma pc; | |
1918 | disassemble_info *info; | |
e396998b AM |
1919 | { |
1920 | intel_syntax = -1; | |
1921 | ||
1922 | return print_insn (pc, info); | |
1923 | } | |
1924 | ||
1925 | static int | |
1926 | print_insn (pc, info) | |
1927 | bfd_vma pc; | |
1928 | disassemble_info *info; | |
252b5132 | 1929 | { |
2da11e11 | 1930 | const struct dis386 *dp; |
252b5132 RH |
1931 | int i; |
1932 | int two_source_ops; | |
1933 | char *first, *second, *third; | |
1934 | int needcomma; | |
041bd2e0 | 1935 | unsigned char uses_SSE_prefix; |
e396998b AM |
1936 | int sizeflag; |
1937 | const char *p; | |
252b5132 | 1938 | struct dis_private priv; |
252b5132 | 1939 | |
52b15da3 JH |
1940 | mode_64bit = (info->mach == bfd_mach_x86_64_intel_syntax |
1941 | || info->mach == bfd_mach_x86_64); | |
1942 | ||
8373f971 | 1943 | if (intel_syntax == (char) -1) |
e396998b AM |
1944 | intel_syntax = (info->mach == bfd_mach_i386_i386_intel_syntax |
1945 | || info->mach == bfd_mach_x86_64_intel_syntax); | |
1946 | ||
2da11e11 | 1947 | if (info->mach == bfd_mach_i386_i386 |
52b15da3 JH |
1948 | || info->mach == bfd_mach_x86_64 |
1949 | || info->mach == bfd_mach_i386_i386_intel_syntax | |
1950 | || info->mach == bfd_mach_x86_64_intel_syntax) | |
e396998b | 1951 | priv.orig_sizeflag = AFLAG | DFLAG; |
2da11e11 | 1952 | else if (info->mach == bfd_mach_i386_i8086) |
e396998b | 1953 | priv.orig_sizeflag = 0; |
2da11e11 AM |
1954 | else |
1955 | abort (); | |
e396998b AM |
1956 | |
1957 | for (p = info->disassembler_options; p != NULL; ) | |
1958 | { | |
fa405d97 | 1959 | if (strncmp (p, "x86-64", 6) == 0) |
e396998b AM |
1960 | { |
1961 | mode_64bit = 1; | |
1962 | priv.orig_sizeflag = AFLAG | DFLAG; | |
1963 | } | |
1964 | else if (strncmp (p, "i386", 4) == 0) | |
1965 | { | |
1966 | mode_64bit = 0; | |
1967 | priv.orig_sizeflag = AFLAG | DFLAG; | |
1968 | } | |
1969 | else if (strncmp (p, "i8086", 5) == 0) | |
1970 | { | |
1971 | mode_64bit = 0; | |
1972 | priv.orig_sizeflag = 0; | |
1973 | } | |
1974 | else if (strncmp (p, "intel", 5) == 0) | |
1975 | { | |
1976 | intel_syntax = 1; | |
1977 | } | |
1978 | else if (strncmp (p, "att", 3) == 0) | |
1979 | { | |
1980 | intel_syntax = 0; | |
1981 | } | |
1982 | else if (strncmp (p, "addr", 4) == 0) | |
1983 | { | |
1984 | if (p[4] == '1' && p[5] == '6') | |
1985 | priv.orig_sizeflag &= ~AFLAG; | |
1986 | else if (p[4] == '3' && p[5] == '2') | |
1987 | priv.orig_sizeflag |= AFLAG; | |
1988 | } | |
1989 | else if (strncmp (p, "data", 4) == 0) | |
1990 | { | |
1991 | if (p[4] == '1' && p[5] == '6') | |
1992 | priv.orig_sizeflag &= ~DFLAG; | |
1993 | else if (p[4] == '3' && p[5] == '2') | |
1994 | priv.orig_sizeflag |= DFLAG; | |
1995 | } | |
1996 | else if (strncmp (p, "suffix", 6) == 0) | |
1997 | priv.orig_sizeflag |= SUFFIX_ALWAYS; | |
1998 | ||
1999 | p = strchr (p, ','); | |
2000 | if (p != NULL) | |
2001 | p++; | |
2002 | } | |
2003 | ||
2004 | if (intel_syntax) | |
2005 | { | |
2006 | names64 = intel_names64; | |
2007 | names32 = intel_names32; | |
2008 | names16 = intel_names16; | |
2009 | names8 = intel_names8; | |
2010 | names8rex = intel_names8rex; | |
2011 | names_seg = intel_names_seg; | |
2012 | index16 = intel_index16; | |
2013 | open_char = '['; | |
2014 | close_char = ']'; | |
2015 | separator_char = '+'; | |
2016 | scale_char = '*'; | |
2017 | } | |
2018 | else | |
2019 | { | |
2020 | names64 = att_names64; | |
2021 | names32 = att_names32; | |
2022 | names16 = att_names16; | |
2023 | names8 = att_names8; | |
2024 | names8rex = att_names8rex; | |
2025 | names_seg = att_names_seg; | |
2026 | index16 = att_index16; | |
2027 | open_char = '('; | |
2028 | close_char = ')'; | |
2029 | separator_char = ','; | |
2030 | scale_char = ','; | |
2031 | } | |
2da11e11 | 2032 | |
4fe53c98 | 2033 | /* The output looks better if we put 7 bytes on a line, since that |
c608c12e | 2034 | puts most long word instructions on a single line. */ |
4fe53c98 | 2035 | info->bytes_per_line = 7; |
252b5132 RH |
2036 | |
2037 | info->private_data = (PTR) &priv; | |
2038 | priv.max_fetched = priv.the_buffer; | |
2039 | priv.insn_start = pc; | |
252b5132 RH |
2040 | |
2041 | obuf[0] = 0; | |
2042 | op1out[0] = 0; | |
2043 | op2out[0] = 0; | |
2044 | op3out[0] = 0; | |
2045 | ||
2046 | op_index[0] = op_index[1] = op_index[2] = -1; | |
2047 | ||
2048 | the_info = info; | |
2049 | start_pc = pc; | |
e396998b AM |
2050 | start_codep = priv.the_buffer; |
2051 | codep = priv.the_buffer; | |
252b5132 | 2052 | |
5076851f ILT |
2053 | if (setjmp (priv.bailout) != 0) |
2054 | { | |
7d421014 ILT |
2055 | const char *name; |
2056 | ||
5076851f | 2057 | /* Getting here means we tried for data but didn't get it. That |
e396998b AM |
2058 | means we have an incomplete instruction of some sort. Just |
2059 | print the first byte as a prefix or a .byte pseudo-op. */ | |
2060 | if (codep > priv.the_buffer) | |
5076851f | 2061 | { |
e396998b | 2062 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); |
7d421014 ILT |
2063 | if (name != NULL) |
2064 | (*info->fprintf_func) (info->stream, "%s", name); | |
2065 | else | |
5076851f | 2066 | { |
7d421014 ILT |
2067 | /* Just print the first byte as a .byte instruction. */ |
2068 | (*info->fprintf_func) (info->stream, ".byte 0x%x", | |
e396998b | 2069 | (unsigned int) priv.the_buffer[0]); |
5076851f | 2070 | } |
5076851f | 2071 | |
7d421014 | 2072 | return 1; |
5076851f ILT |
2073 | } |
2074 | ||
2075 | return -1; | |
2076 | } | |
2077 | ||
52b15da3 | 2078 | obufp = obuf; |
252b5132 RH |
2079 | ckprefix (); |
2080 | ||
2081 | insn_codep = codep; | |
e396998b | 2082 | sizeflag = priv.orig_sizeflag; |
252b5132 RH |
2083 | |
2084 | FETCH_DATA (info, codep + 1); | |
2085 | two_source_ops = (*codep == 0x62) || (*codep == 0xc8); | |
2086 | ||
252b5132 RH |
2087 | if ((prefixes & PREFIX_FWAIT) |
2088 | && ((*codep < 0xd8) || (*codep > 0xdf))) | |
2089 | { | |
7d421014 ILT |
2090 | const char *name; |
2091 | ||
2092 | /* fwait not followed by floating point instruction. Print the | |
db6eb5be | 2093 | first prefix, which is probably fwait itself. */ |
e396998b | 2094 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); |
7d421014 ILT |
2095 | if (name == NULL) |
2096 | name = INTERNAL_DISASSEMBLER_ERROR; | |
2097 | (*info->fprintf_func) (info->stream, "%s", name); | |
2098 | return 1; | |
252b5132 RH |
2099 | } |
2100 | ||
252b5132 RH |
2101 | if (*codep == 0x0f) |
2102 | { | |
2103 | FETCH_DATA (info, codep + 2); | |
6439fc28 | 2104 | dp = &dis386_twobyte[*++codep]; |
252b5132 | 2105 | need_modrm = twobyte_has_modrm[*codep]; |
041bd2e0 | 2106 | uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep]; |
252b5132 RH |
2107 | } |
2108 | else | |
2109 | { | |
6439fc28 | 2110 | dp = &dis386[*codep]; |
252b5132 | 2111 | need_modrm = onebyte_has_modrm[*codep]; |
041bd2e0 | 2112 | uses_SSE_prefix = 0; |
252b5132 RH |
2113 | } |
2114 | codep++; | |
2115 | ||
041bd2e0 | 2116 | if (!uses_SSE_prefix && (prefixes & PREFIX_REPZ)) |
7d421014 ILT |
2117 | { |
2118 | oappend ("repz "); | |
2119 | used_prefixes |= PREFIX_REPZ; | |
2120 | } | |
041bd2e0 | 2121 | if (!uses_SSE_prefix && (prefixes & PREFIX_REPNZ)) |
7d421014 ILT |
2122 | { |
2123 | oappend ("repnz "); | |
2124 | used_prefixes |= PREFIX_REPNZ; | |
2125 | } | |
c608c12e | 2126 | if (prefixes & PREFIX_LOCK) |
7d421014 ILT |
2127 | { |
2128 | oappend ("lock "); | |
2129 | used_prefixes |= PREFIX_LOCK; | |
2130 | } | |
c608c12e | 2131 | |
c608c12e AM |
2132 | if (prefixes & PREFIX_ADDR) |
2133 | { | |
2134 | sizeflag ^= AFLAG; | |
6439fc28 | 2135 | if (dp->bytemode3 != loop_jcxz_mode || intel_syntax) |
3ffd33cf | 2136 | { |
c1a64871 | 2137 | if ((sizeflag & AFLAG) || mode_64bit) |
3ffd33cf AM |
2138 | oappend ("addr32 "); |
2139 | else | |
2140 | oappend ("addr16 "); | |
2141 | used_prefixes |= PREFIX_ADDR; | |
2142 | } | |
2143 | } | |
2144 | ||
2145 | if (!uses_SSE_prefix && (prefixes & PREFIX_DATA)) | |
2146 | { | |
2147 | sizeflag ^= DFLAG; | |
6439fc28 AM |
2148 | if (dp->bytemode3 == cond_jump_mode |
2149 | && dp->bytemode1 == v_mode | |
2150 | && !intel_syntax) | |
3ffd33cf AM |
2151 | { |
2152 | if (sizeflag & DFLAG) | |
2153 | oappend ("data32 "); | |
2154 | else | |
2155 | oappend ("data16 "); | |
2156 | used_prefixes |= PREFIX_DATA; | |
2157 | } | |
2158 | } | |
2159 | ||
252b5132 RH |
2160 | if (need_modrm) |
2161 | { | |
2162 | FETCH_DATA (info, codep + 1); | |
2163 | mod = (*codep >> 6) & 3; | |
2164 | reg = (*codep >> 3) & 7; | |
2165 | rm = *codep & 7; | |
2166 | } | |
2167 | ||
2168 | if (dp->name == NULL && dp->bytemode1 == FLOATCODE) | |
2169 | { | |
2170 | dofloat (sizeflag); | |
2171 | } | |
2172 | else | |
2173 | { | |
041bd2e0 | 2174 | int index; |
252b5132 | 2175 | if (dp->name == NULL) |
c608c12e | 2176 | { |
6439fc28 | 2177 | switch (dp->bytemode1) |
c608c12e | 2178 | { |
6439fc28 AM |
2179 | case USE_GROUPS: |
2180 | dp = &grps[dp->bytemode2][reg]; | |
2181 | break; | |
2182 | ||
2183 | case USE_PREFIX_USER_TABLE: | |
2184 | index = 0; | |
2185 | used_prefixes |= (prefixes & PREFIX_REPZ); | |
2186 | if (prefixes & PREFIX_REPZ) | |
2187 | index = 1; | |
2188 | else | |
2189 | { | |
2190 | used_prefixes |= (prefixes & PREFIX_DATA); | |
2191 | if (prefixes & PREFIX_DATA) | |
2192 | index = 2; | |
2193 | else | |
2194 | { | |
2195 | used_prefixes |= (prefixes & PREFIX_REPNZ); | |
2196 | if (prefixes & PREFIX_REPNZ) | |
2197 | index = 3; | |
2198 | } | |
2199 | } | |
2200 | dp = &prefix_user_table[dp->bytemode2][index]; | |
2201 | break; | |
252b5132 | 2202 | |
6439fc28 AM |
2203 | case X86_64_SPECIAL: |
2204 | dp = &x86_64_table[dp->bytemode2][mode_64bit]; | |
2205 | break; | |
252b5132 | 2206 | |
6439fc28 AM |
2207 | default: |
2208 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
2209 | break; | |
2210 | } | |
2211 | } | |
252b5132 | 2212 | |
6439fc28 AM |
2213 | if (putop (dp->name, sizeflag) == 0) |
2214 | { | |
2215 | obufp = op1out; | |
2216 | op_ad = 2; | |
2217 | if (dp->op1) | |
6608db57 | 2218 | (*dp->op1) (dp->bytemode1, sizeflag); |
6439fc28 AM |
2219 | |
2220 | obufp = op2out; | |
2221 | op_ad = 1; | |
2222 | if (dp->op2) | |
6608db57 | 2223 | (*dp->op2) (dp->bytemode2, sizeflag); |
6439fc28 AM |
2224 | |
2225 | obufp = op3out; | |
2226 | op_ad = 0; | |
2227 | if (dp->op3) | |
6608db57 | 2228 | (*dp->op3) (dp->bytemode3, sizeflag); |
6439fc28 | 2229 | } |
252b5132 RH |
2230 | } |
2231 | ||
7d421014 ILT |
2232 | /* See if any prefixes were not used. If so, print the first one |
2233 | separately. If we don't do this, we'll wind up printing an | |
2234 | instruction stream which does not precisely correspond to the | |
2235 | bytes we are disassembling. */ | |
2236 | if ((prefixes & ~used_prefixes) != 0) | |
2237 | { | |
2238 | const char *name; | |
2239 | ||
e396998b | 2240 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); |
7d421014 ILT |
2241 | if (name == NULL) |
2242 | name = INTERNAL_DISASSEMBLER_ERROR; | |
2243 | (*info->fprintf_func) (info->stream, "%s", name); | |
2244 | return 1; | |
2245 | } | |
52b15da3 JH |
2246 | if (rex & ~rex_used) |
2247 | { | |
2248 | const char *name; | |
e396998b | 2249 | name = prefix_name (rex | 0x40, priv.orig_sizeflag); |
52b15da3 JH |
2250 | if (name == NULL) |
2251 | name = INTERNAL_DISASSEMBLER_ERROR; | |
2252 | (*info->fprintf_func) (info->stream, "%s ", name); | |
2253 | } | |
7d421014 | 2254 | |
252b5132 RH |
2255 | obufp = obuf + strlen (obuf); |
2256 | for (i = strlen (obuf); i < 6; i++) | |
2257 | oappend (" "); | |
2258 | oappend (" "); | |
2259 | (*info->fprintf_func) (info->stream, "%s", obuf); | |
2260 | ||
2261 | /* The enter and bound instructions are printed with operands in the same | |
2262 | order as the intel book; everything else is printed in reverse order. */ | |
2da11e11 | 2263 | if (intel_syntax || two_source_ops) |
252b5132 RH |
2264 | { |
2265 | first = op1out; | |
2266 | second = op2out; | |
2267 | third = op3out; | |
2268 | op_ad = op_index[0]; | |
2269 | op_index[0] = op_index[2]; | |
2270 | op_index[2] = op_ad; | |
2271 | } | |
2272 | else | |
2273 | { | |
2274 | first = op3out; | |
2275 | second = op2out; | |
2276 | third = op1out; | |
2277 | } | |
2278 | needcomma = 0; | |
2279 | if (*first) | |
2280 | { | |
52b15da3 | 2281 | if (op_index[0] != -1 && !op_riprel[0]) |
252b5132 RH |
2282 | (*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info); |
2283 | else | |
2284 | (*info->fprintf_func) (info->stream, "%s", first); | |
2285 | needcomma = 1; | |
2286 | } | |
2287 | if (*second) | |
2288 | { | |
2289 | if (needcomma) | |
2290 | (*info->fprintf_func) (info->stream, ","); | |
52b15da3 | 2291 | if (op_index[1] != -1 && !op_riprel[1]) |
252b5132 RH |
2292 | (*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info); |
2293 | else | |
2294 | (*info->fprintf_func) (info->stream, "%s", second); | |
2295 | needcomma = 1; | |
2296 | } | |
2297 | if (*third) | |
2298 | { | |
2299 | if (needcomma) | |
2300 | (*info->fprintf_func) (info->stream, ","); | |
52b15da3 | 2301 | if (op_index[2] != -1 && !op_riprel[2]) |
252b5132 RH |
2302 | (*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info); |
2303 | else | |
2304 | (*info->fprintf_func) (info->stream, "%s", third); | |
2305 | } | |
52b15da3 JH |
2306 | for (i = 0; i < 3; i++) |
2307 | if (op_index[i] != -1 && op_riprel[i]) | |
2308 | { | |
2309 | (*info->fprintf_func) (info->stream, " # "); | |
2310 | (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep | |
2311 | + op_address[op_index[i]]), info); | |
2312 | } | |
e396998b | 2313 | return codep - priv.the_buffer; |
252b5132 RH |
2314 | } |
2315 | ||
6439fc28 | 2316 | static const char *float_mem[] = { |
252b5132 | 2317 | /* d8 */ |
6439fc28 AM |
2318 | "fadd{s||s|}", |
2319 | "fmul{s||s|}", | |
2320 | "fcom{s||s|}", | |
2321 | "fcomp{s||s|}", | |
2322 | "fsub{s||s|}", | |
2323 | "fsubr{s||s|}", | |
2324 | "fdiv{s||s|}", | |
2325 | "fdivr{s||s|}", | |
db6eb5be | 2326 | /* d9 */ |
6439fc28 | 2327 | "fld{s||s|}", |
252b5132 | 2328 | "(bad)", |
6439fc28 AM |
2329 | "fst{s||s|}", |
2330 | "fstp{s||s|}", | |
252b5132 RH |
2331 | "fldenv", |
2332 | "fldcw", | |
2333 | "fNstenv", | |
2334 | "fNstcw", | |
2335 | /* da */ | |
6439fc28 AM |
2336 | "fiadd{l||l|}", |
2337 | "fimul{l||l|}", | |
2338 | "ficom{l||l|}", | |
2339 | "ficomp{l||l|}", | |
2340 | "fisub{l||l|}", | |
2341 | "fisubr{l||l|}", | |
2342 | "fidiv{l||l|}", | |
2343 | "fidivr{l||l|}", | |
252b5132 | 2344 | /* db */ |
6439fc28 | 2345 | "fild{l||l|}", |
ca164297 | 2346 | "fisttp{l||l|}", |
6439fc28 AM |
2347 | "fist{l||l|}", |
2348 | "fistp{l||l|}", | |
252b5132 | 2349 | "(bad)", |
6439fc28 | 2350 | "fld{t||t|}", |
252b5132 | 2351 | "(bad)", |
6439fc28 | 2352 | "fstp{t||t|}", |
252b5132 | 2353 | /* dc */ |
6439fc28 AM |
2354 | "fadd{l||l|}", |
2355 | "fmul{l||l|}", | |
2356 | "fcom{l||l|}", | |
2357 | "fcomp{l||l|}", | |
2358 | "fsub{l||l|}", | |
2359 | "fsubr{l||l|}", | |
2360 | "fdiv{l||l|}", | |
2361 | "fdivr{l||l|}", | |
252b5132 | 2362 | /* dd */ |
6439fc28 | 2363 | "fld{l||l|}", |
ca164297 | 2364 | "fisttpll", |
6439fc28 AM |
2365 | "fst{l||l|}", |
2366 | "fstp{l||l|}", | |
252b5132 RH |
2367 | "frstor", |
2368 | "(bad)", | |
2369 | "fNsave", | |
2370 | "fNstsw", | |
2371 | /* de */ | |
2372 | "fiadd", | |
2373 | "fimul", | |
2374 | "ficom", | |
2375 | "ficomp", | |
2376 | "fisub", | |
2377 | "fisubr", | |
2378 | "fidiv", | |
2379 | "fidivr", | |
2380 | /* df */ | |
2381 | "fild", | |
ca164297 | 2382 | "fisttp", |
252b5132 RH |
2383 | "fist", |
2384 | "fistp", | |
2385 | "fbld", | |
6439fc28 | 2386 | "fild{ll||ll|}", |
252b5132 RH |
2387 | "fbstp", |
2388 | "fistpll", | |
2389 | }; | |
2390 | ||
2391 | #define ST OP_ST, 0 | |
2392 | #define STi OP_STi, 0 | |
2393 | ||
57d91c3c ILT |
2394 | #define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0 |
2395 | #define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0 | |
2396 | #define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0 | |
2397 | #define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0 | |
2398 | #define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0 | |
2399 | #define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0 | |
2400 | #define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0 | |
2401 | #define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0 | |
2402 | #define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0 | |
252b5132 | 2403 | |
2da11e11 | 2404 | static const struct dis386 float_reg[][8] = { |
252b5132 RH |
2405 | /* d8 */ |
2406 | { | |
57d91c3c ILT |
2407 | { "fadd", ST, STi, XX }, |
2408 | { "fmul", ST, STi, XX }, | |
2409 | { "fcom", STi, XX, XX }, | |
2410 | { "fcomp", STi, XX, XX }, | |
2411 | { "fsub", ST, STi, XX }, | |
2412 | { "fsubr", ST, STi, XX }, | |
2413 | { "fdiv", ST, STi, XX }, | |
2414 | { "fdivr", ST, STi, XX }, | |
252b5132 RH |
2415 | }, |
2416 | /* d9 */ | |
2417 | { | |
57d91c3c ILT |
2418 | { "fld", STi, XX, XX }, |
2419 | { "fxch", STi, XX, XX }, | |
252b5132 | 2420 | { FGRPd9_2 }, |
57d91c3c | 2421 | { "(bad)", XX, XX, XX }, |
252b5132 RH |
2422 | { FGRPd9_4 }, |
2423 | { FGRPd9_5 }, | |
2424 | { FGRPd9_6 }, | |
2425 | { FGRPd9_7 }, | |
2426 | }, | |
2427 | /* da */ | |
2428 | { | |
57d91c3c ILT |
2429 | { "fcmovb", ST, STi, XX }, |
2430 | { "fcmove", ST, STi, XX }, | |
2431 | { "fcmovbe",ST, STi, XX }, | |
2432 | { "fcmovu", ST, STi, XX }, | |
2433 | { "(bad)", XX, XX, XX }, | |
252b5132 | 2434 | { FGRPda_5 }, |
57d91c3c ILT |
2435 | { "(bad)", XX, XX, XX }, |
2436 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2437 | }, |
2438 | /* db */ | |
2439 | { | |
57d91c3c ILT |
2440 | { "fcmovnb",ST, STi, XX }, |
2441 | { "fcmovne",ST, STi, XX }, | |
2442 | { "fcmovnbe",ST, STi, XX }, | |
2443 | { "fcmovnu",ST, STi, XX }, | |
252b5132 | 2444 | { FGRPdb_4 }, |
57d91c3c ILT |
2445 | { "fucomi", ST, STi, XX }, |
2446 | { "fcomi", ST, STi, XX }, | |
2447 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2448 | }, |
2449 | /* dc */ | |
2450 | { | |
57d91c3c ILT |
2451 | { "fadd", STi, ST, XX }, |
2452 | { "fmul", STi, ST, XX }, | |
2453 | { "(bad)", XX, XX, XX }, | |
2454 | { "(bad)", XX, XX, XX }, | |
252b5132 | 2455 | #if UNIXWARE_COMPAT |
57d91c3c ILT |
2456 | { "fsub", STi, ST, XX }, |
2457 | { "fsubr", STi, ST, XX }, | |
2458 | { "fdiv", STi, ST, XX }, | |
2459 | { "fdivr", STi, ST, XX }, | |
252b5132 | 2460 | #else |
57d91c3c ILT |
2461 | { "fsubr", STi, ST, XX }, |
2462 | { "fsub", STi, ST, XX }, | |
2463 | { "fdivr", STi, ST, XX }, | |
2464 | { "fdiv", STi, ST, XX }, | |
252b5132 RH |
2465 | #endif |
2466 | }, | |
2467 | /* dd */ | |
2468 | { | |
57d91c3c ILT |
2469 | { "ffree", STi, XX, XX }, |
2470 | { "(bad)", XX, XX, XX }, | |
2471 | { "fst", STi, XX, XX }, | |
2472 | { "fstp", STi, XX, XX }, | |
2473 | { "fucom", STi, XX, XX }, | |
2474 | { "fucomp", STi, XX, XX }, | |
2475 | { "(bad)", XX, XX, XX }, | |
2476 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2477 | }, |
2478 | /* de */ | |
2479 | { | |
57d91c3c ILT |
2480 | { "faddp", STi, ST, XX }, |
2481 | { "fmulp", STi, ST, XX }, | |
2482 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2483 | { FGRPde_3 }, |
2484 | #if UNIXWARE_COMPAT | |
57d91c3c ILT |
2485 | { "fsubp", STi, ST, XX }, |
2486 | { "fsubrp", STi, ST, XX }, | |
2487 | { "fdivp", STi, ST, XX }, | |
2488 | { "fdivrp", STi, ST, XX }, | |
252b5132 | 2489 | #else |
57d91c3c ILT |
2490 | { "fsubrp", STi, ST, XX }, |
2491 | { "fsubp", STi, ST, XX }, | |
2492 | { "fdivrp", STi, ST, XX }, | |
2493 | { "fdivp", STi, ST, XX }, | |
252b5132 RH |
2494 | #endif |
2495 | }, | |
2496 | /* df */ | |
2497 | { | |
c2419411 | 2498 | { "ffreep", STi, XX, XX }, |
57d91c3c ILT |
2499 | { "(bad)", XX, XX, XX }, |
2500 | { "(bad)", XX, XX, XX }, | |
2501 | { "(bad)", XX, XX, XX }, | |
252b5132 | 2502 | { FGRPdf_4 }, |
57d91c3c ILT |
2503 | { "fucomip",ST, STi, XX }, |
2504 | { "fcomip", ST, STi, XX }, | |
2505 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2506 | }, |
2507 | }; | |
2508 | ||
252b5132 RH |
2509 | static char *fgrps[][8] = { |
2510 | /* d9_2 0 */ | |
2511 | { | |
2512 | "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2513 | }, | |
2514 | ||
2515 | /* d9_4 1 */ | |
2516 | { | |
2517 | "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)", | |
2518 | }, | |
2519 | ||
2520 | /* d9_5 2 */ | |
2521 | { | |
2522 | "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)", | |
2523 | }, | |
2524 | ||
2525 | /* d9_6 3 */ | |
2526 | { | |
2527 | "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp", | |
2528 | }, | |
2529 | ||
2530 | /* d9_7 4 */ | |
2531 | { | |
2532 | "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos", | |
2533 | }, | |
2534 | ||
2535 | /* da_5 5 */ | |
2536 | { | |
2537 | "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2538 | }, | |
2539 | ||
2540 | /* db_4 6 */ | |
2541 | { | |
2542 | "feni(287 only)","fdisi(287 only)","fNclex","fNinit", | |
2543 | "fNsetpm(287 only)","(bad)","(bad)","(bad)", | |
2544 | }, | |
2545 | ||
2546 | /* de_3 7 */ | |
2547 | { | |
2548 | "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2549 | }, | |
2550 | ||
2551 | /* df_4 8 */ | |
2552 | { | |
2553 | "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2554 | }, | |
2555 | }; | |
2556 | ||
2557 | static void | |
2558 | dofloat (sizeflag) | |
2559 | int sizeflag; | |
2560 | { | |
2da11e11 | 2561 | const struct dis386 *dp; |
252b5132 RH |
2562 | unsigned char floatop; |
2563 | ||
2564 | floatop = codep[-1]; | |
2565 | ||
2566 | if (mod != 3) | |
2567 | { | |
6608db57 | 2568 | putop (float_mem[(floatop - 0xd8) * 8 + reg], sizeflag); |
252b5132 RH |
2569 | obufp = op1out; |
2570 | if (floatop == 0xdb) | |
db6eb5be | 2571 | OP_E (x_mode, sizeflag); |
252b5132 | 2572 | else if (floatop == 0xdd) |
db6eb5be | 2573 | OP_E (d_mode, sizeflag); |
2da11e11 | 2574 | else |
db6eb5be | 2575 | OP_E (v_mode, sizeflag); |
252b5132 RH |
2576 | return; |
2577 | } | |
6608db57 | 2578 | /* Skip mod/rm byte. */ |
4bba6815 | 2579 | MODRM_CHECK; |
252b5132 RH |
2580 | codep++; |
2581 | ||
2582 | dp = &float_reg[floatop - 0xd8][reg]; | |
2583 | if (dp->name == NULL) | |
2584 | { | |
2585 | putop (fgrps[dp->bytemode1][rm], sizeflag); | |
2586 | ||
6608db57 | 2587 | /* Instruction fnstsw is only one with strange arg. */ |
252b5132 RH |
2588 | if (floatop == 0xdf && codep[-1] == 0xe0) |
2589 | strcpy (op1out, names16[0]); | |
2590 | } | |
2591 | else | |
2592 | { | |
2593 | putop (dp->name, sizeflag); | |
2594 | ||
2595 | obufp = op1out; | |
2596 | if (dp->op1) | |
6608db57 | 2597 | (*dp->op1) (dp->bytemode1, sizeflag); |
252b5132 RH |
2598 | obufp = op2out; |
2599 | if (dp->op2) | |
6608db57 | 2600 | (*dp->op2) (dp->bytemode2, sizeflag); |
252b5132 RH |
2601 | } |
2602 | } | |
2603 | ||
252b5132 | 2604 | static void |
6439fc28 AM |
2605 | OP_ST (bytemode, sizeflag) |
2606 | int bytemode ATTRIBUTE_UNUSED; | |
57d91c3c | 2607 | int sizeflag ATTRIBUTE_UNUSED; |
252b5132 RH |
2608 | { |
2609 | oappend ("%st"); | |
2610 | } | |
2611 | ||
252b5132 | 2612 | static void |
6439fc28 AM |
2613 | OP_STi (bytemode, sizeflag) |
2614 | int bytemode ATTRIBUTE_UNUSED; | |
57d91c3c | 2615 | int sizeflag ATTRIBUTE_UNUSED; |
252b5132 RH |
2616 | { |
2617 | sprintf (scratchbuf, "%%st(%d)", rm); | |
d708bcba | 2618 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
2619 | } |
2620 | ||
6608db57 | 2621 | /* Capital letters in template are macros. */ |
6439fc28 | 2622 | static int |
252b5132 | 2623 | putop (template, sizeflag) |
2da11e11 | 2624 | const char *template; |
252b5132 RH |
2625 | int sizeflag; |
2626 | { | |
2da11e11 | 2627 | const char *p; |
6439fc28 | 2628 | int alt; |
252b5132 RH |
2629 | |
2630 | for (p = template; *p; p++) | |
2631 | { | |
2632 | switch (*p) | |
2633 | { | |
2634 | default: | |
2635 | *obufp++ = *p; | |
2636 | break; | |
6439fc28 AM |
2637 | case '{': |
2638 | alt = 0; | |
2639 | if (intel_syntax) | |
2640 | alt += 1; | |
2641 | if (mode_64bit) | |
2642 | alt += 2; | |
2643 | while (alt != 0) | |
2644 | { | |
2645 | while (*++p != '|') | |
2646 | { | |
2647 | if (*p == '}') | |
2648 | { | |
2649 | /* Alternative not valid. */ | |
2650 | strcpy (obuf, "(bad)"); | |
2651 | obufp = obuf + 5; | |
2652 | return 1; | |
2653 | } | |
2654 | else if (*p == '\0') | |
2655 | abort (); | |
2656 | } | |
2657 | alt--; | |
2658 | } | |
2659 | break; | |
2660 | case '|': | |
2661 | while (*++p != '}') | |
2662 | { | |
2663 | if (*p == '\0') | |
2664 | abort (); | |
2665 | } | |
2666 | break; | |
2667 | case '}': | |
2668 | break; | |
252b5132 | 2669 | case 'A': |
db6eb5be AM |
2670 | if (intel_syntax) |
2671 | break; | |
e396998b | 2672 | if (mod != 3 || (sizeflag & SUFFIX_ALWAYS)) |
252b5132 RH |
2673 | *obufp++ = 'b'; |
2674 | break; | |
2675 | case 'B': | |
db6eb5be AM |
2676 | if (intel_syntax) |
2677 | break; | |
252b5132 RH |
2678 | if (sizeflag & SUFFIX_ALWAYS) |
2679 | *obufp++ = 'b'; | |
252b5132 RH |
2680 | break; |
2681 | case 'E': /* For jcxz/jecxz */ | |
c1a64871 JH |
2682 | if (mode_64bit) |
2683 | { | |
2684 | if (sizeflag & AFLAG) | |
2685 | *obufp++ = 'r'; | |
2686 | else | |
2687 | *obufp++ = 'e'; | |
2688 | } | |
2689 | else | |
2690 | if (sizeflag & AFLAG) | |
2691 | *obufp++ = 'e'; | |
3ffd33cf AM |
2692 | used_prefixes |= (prefixes & PREFIX_ADDR); |
2693 | break; | |
2694 | case 'F': | |
db6eb5be AM |
2695 | if (intel_syntax) |
2696 | break; | |
e396998b | 2697 | if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS)) |
3ffd33cf AM |
2698 | { |
2699 | if (sizeflag & AFLAG) | |
c1a64871 | 2700 | *obufp++ = mode_64bit ? 'q' : 'l'; |
3ffd33cf | 2701 | else |
c1a64871 | 2702 | *obufp++ = mode_64bit ? 'l' : 'w'; |
3ffd33cf AM |
2703 | used_prefixes |= (prefixes & PREFIX_ADDR); |
2704 | } | |
252b5132 | 2705 | break; |
5dd0794d | 2706 | case 'H': |
db6eb5be AM |
2707 | if (intel_syntax) |
2708 | break; | |
5dd0794d AM |
2709 | if ((prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_CS |
2710 | || (prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_DS) | |
2711 | { | |
2712 | used_prefixes |= prefixes & (PREFIX_CS | PREFIX_DS); | |
2713 | *obufp++ = ','; | |
2714 | *obufp++ = 'p'; | |
2715 | if (prefixes & PREFIX_DS) | |
2716 | *obufp++ = 't'; | |
2717 | else | |
2718 | *obufp++ = 'n'; | |
2719 | } | |
2720 | break; | |
252b5132 | 2721 | case 'L': |
db6eb5be AM |
2722 | if (intel_syntax) |
2723 | break; | |
252b5132 RH |
2724 | if (sizeflag & SUFFIX_ALWAYS) |
2725 | *obufp++ = 'l'; | |
252b5132 RH |
2726 | break; |
2727 | case 'N': | |
2728 | if ((prefixes & PREFIX_FWAIT) == 0) | |
2729 | *obufp++ = 'n'; | |
7d421014 ILT |
2730 | else |
2731 | used_prefixes |= PREFIX_FWAIT; | |
252b5132 | 2732 | break; |
52b15da3 JH |
2733 | case 'O': |
2734 | USED_REX (REX_MODE64); | |
2735 | if (rex & REX_MODE64) | |
6439fc28 | 2736 | *obufp++ = 'o'; |
52b15da3 JH |
2737 | else |
2738 | *obufp++ = 'd'; | |
2739 | break; | |
6439fc28 | 2740 | case 'T': |
db6eb5be AM |
2741 | if (intel_syntax) |
2742 | break; | |
6439fc28 AM |
2743 | if (mode_64bit) |
2744 | { | |
2745 | *obufp++ = 'q'; | |
2746 | break; | |
2747 | } | |
6608db57 | 2748 | /* Fall through. */ |
252b5132 | 2749 | case 'P': |
db6eb5be AM |
2750 | if (intel_syntax) |
2751 | break; | |
252b5132 | 2752 | if ((prefixes & PREFIX_DATA) |
52b15da3 | 2753 | || (rex & REX_MODE64) |
e396998b | 2754 | || (sizeflag & SUFFIX_ALWAYS)) |
252b5132 | 2755 | { |
52b15da3 JH |
2756 | USED_REX (REX_MODE64); |
2757 | if (rex & REX_MODE64) | |
2758 | *obufp++ = 'q'; | |
c2419411 | 2759 | else |
52b15da3 JH |
2760 | { |
2761 | if (sizeflag & DFLAG) | |
2762 | *obufp++ = 'l'; | |
2763 | else | |
2764 | *obufp++ = 'w'; | |
2765 | used_prefixes |= (prefixes & PREFIX_DATA); | |
2766 | } | |
252b5132 RH |
2767 | } |
2768 | break; | |
6439fc28 | 2769 | case 'U': |
db6eb5be AM |
2770 | if (intel_syntax) |
2771 | break; | |
6439fc28 AM |
2772 | if (mode_64bit) |
2773 | { | |
2774 | *obufp++ = 'q'; | |
2775 | break; | |
2776 | } | |
6608db57 | 2777 | /* Fall through. */ |
252b5132 | 2778 | case 'Q': |
db6eb5be AM |
2779 | if (intel_syntax) |
2780 | break; | |
90530880 | 2781 | USED_REX (REX_MODE64); |
e396998b | 2782 | if (mod != 3 || (sizeflag & SUFFIX_ALWAYS)) |
252b5132 | 2783 | { |
52b15da3 JH |
2784 | if (rex & REX_MODE64) |
2785 | *obufp++ = 'q'; | |
252b5132 | 2786 | else |
52b15da3 JH |
2787 | { |
2788 | if (sizeflag & DFLAG) | |
2789 | *obufp++ = 'l'; | |
2790 | else | |
2791 | *obufp++ = 'w'; | |
2792 | used_prefixes |= (prefixes & PREFIX_DATA); | |
2793 | } | |
252b5132 RH |
2794 | } |
2795 | break; | |
2796 | case 'R': | |
52b15da3 | 2797 | USED_REX (REX_MODE64); |
db6eb5be | 2798 | if (intel_syntax) |
c608c12e | 2799 | { |
52b15da3 JH |
2800 | if (rex & REX_MODE64) |
2801 | { | |
2802 | *obufp++ = 'q'; | |
2803 | *obufp++ = 't'; | |
2804 | } | |
2805 | else if (sizeflag & DFLAG) | |
c608c12e AM |
2806 | { |
2807 | *obufp++ = 'd'; | |
2808 | *obufp++ = 'q'; | |
2809 | } | |
2810 | else | |
2811 | { | |
2812 | *obufp++ = 'w'; | |
2813 | *obufp++ = 'd'; | |
2814 | } | |
2815 | } | |
252b5132 | 2816 | else |
c608c12e | 2817 | { |
52b15da3 JH |
2818 | if (rex & REX_MODE64) |
2819 | *obufp++ = 'q'; | |
2820 | else if (sizeflag & DFLAG) | |
c608c12e AM |
2821 | *obufp++ = 'l'; |
2822 | else | |
2823 | *obufp++ = 'w'; | |
2824 | } | |
52b15da3 JH |
2825 | if (!(rex & REX_MODE64)) |
2826 | used_prefixes |= (prefixes & PREFIX_DATA); | |
252b5132 RH |
2827 | break; |
2828 | case 'S': | |
db6eb5be AM |
2829 | if (intel_syntax) |
2830 | break; | |
252b5132 RH |
2831 | if (sizeflag & SUFFIX_ALWAYS) |
2832 | { | |
52b15da3 JH |
2833 | if (rex & REX_MODE64) |
2834 | *obufp++ = 'q'; | |
252b5132 | 2835 | else |
52b15da3 JH |
2836 | { |
2837 | if (sizeflag & DFLAG) | |
2838 | *obufp++ = 'l'; | |
2839 | else | |
2840 | *obufp++ = 'w'; | |
2841 | used_prefixes |= (prefixes & PREFIX_DATA); | |
2842 | } | |
252b5132 | 2843 | } |
252b5132 | 2844 | break; |
041bd2e0 JH |
2845 | case 'X': |
2846 | if (prefixes & PREFIX_DATA) | |
2847 | *obufp++ = 'd'; | |
2848 | else | |
2849 | *obufp++ = 's'; | |
db6eb5be | 2850 | used_prefixes |= (prefixes & PREFIX_DATA); |
041bd2e0 | 2851 | break; |
76f227a5 | 2852 | case 'Y': |
db6eb5be AM |
2853 | if (intel_syntax) |
2854 | break; | |
76f227a5 JH |
2855 | if (rex & REX_MODE64) |
2856 | { | |
2857 | USED_REX (REX_MODE64); | |
2858 | *obufp++ = 'q'; | |
2859 | } | |
2860 | break; | |
52b15da3 | 2861 | /* implicit operand size 'l' for i386 or 'q' for x86-64 */ |
252b5132 | 2862 | case 'W': |
252b5132 | 2863 | /* operand size flag for cwtl, cbtw */ |
52b15da3 JH |
2864 | USED_REX (0); |
2865 | if (rex) | |
2866 | *obufp++ = 'l'; | |
2867 | else if (sizeflag & DFLAG) | |
252b5132 RH |
2868 | *obufp++ = 'w'; |
2869 | else | |
2870 | *obufp++ = 'b'; | |
db6eb5be | 2871 | if (intel_syntax) |
c608c12e | 2872 | { |
52b15da3 JH |
2873 | if (rex) |
2874 | { | |
2875 | *obufp++ = 'q'; | |
2876 | *obufp++ = 'e'; | |
2877 | } | |
c608c12e AM |
2878 | if (sizeflag & DFLAG) |
2879 | { | |
2880 | *obufp++ = 'd'; | |
2881 | *obufp++ = 'e'; | |
2882 | } | |
2883 | else | |
2884 | { | |
2885 | *obufp++ = 'w'; | |
2886 | } | |
2887 | } | |
52b15da3 JH |
2888 | if (!rex) |
2889 | used_prefixes |= (prefixes & PREFIX_DATA); | |
252b5132 RH |
2890 | break; |
2891 | } | |
2892 | } | |
2893 | *obufp = 0; | |
6439fc28 | 2894 | return 0; |
252b5132 RH |
2895 | } |
2896 | ||
2897 | static void | |
2898 | oappend (s) | |
2da11e11 | 2899 | const char *s; |
252b5132 RH |
2900 | { |
2901 | strcpy (obufp, s); | |
2902 | obufp += strlen (s); | |
2903 | } | |
2904 | ||
2905 | static void | |
2906 | append_seg () | |
2907 | { | |
2908 | if (prefixes & PREFIX_CS) | |
7d421014 | 2909 | { |
7d421014 | 2910 | used_prefixes |= PREFIX_CS; |
d708bcba | 2911 | oappend ("%cs:" + intel_syntax); |
7d421014 | 2912 | } |
252b5132 | 2913 | if (prefixes & PREFIX_DS) |
7d421014 | 2914 | { |
7d421014 | 2915 | used_prefixes |= PREFIX_DS; |
d708bcba | 2916 | oappend ("%ds:" + intel_syntax); |
7d421014 | 2917 | } |
252b5132 | 2918 | if (prefixes & PREFIX_SS) |
7d421014 | 2919 | { |
7d421014 | 2920 | used_prefixes |= PREFIX_SS; |
d708bcba | 2921 | oappend ("%ss:" + intel_syntax); |
7d421014 | 2922 | } |
252b5132 | 2923 | if (prefixes & PREFIX_ES) |
7d421014 | 2924 | { |
7d421014 | 2925 | used_prefixes |= PREFIX_ES; |
d708bcba | 2926 | oappend ("%es:" + intel_syntax); |
7d421014 | 2927 | } |
252b5132 | 2928 | if (prefixes & PREFIX_FS) |
7d421014 | 2929 | { |
7d421014 | 2930 | used_prefixes |= PREFIX_FS; |
d708bcba | 2931 | oappend ("%fs:" + intel_syntax); |
7d421014 | 2932 | } |
252b5132 | 2933 | if (prefixes & PREFIX_GS) |
7d421014 | 2934 | { |
7d421014 | 2935 | used_prefixes |= PREFIX_GS; |
d708bcba | 2936 | oappend ("%gs:" + intel_syntax); |
7d421014 | 2937 | } |
252b5132 RH |
2938 | } |
2939 | ||
2940 | static void | |
2941 | OP_indirE (bytemode, sizeflag) | |
2942 | int bytemode; | |
2943 | int sizeflag; | |
2944 | { | |
2945 | if (!intel_syntax) | |
2946 | oappend ("*"); | |
2947 | OP_E (bytemode, sizeflag); | |
2948 | } | |
2949 | ||
52b15da3 JH |
2950 | static void |
2951 | print_operand_value (buf, hex, disp) | |
2952 | char *buf; | |
2953 | int hex; | |
2954 | bfd_vma disp; | |
2955 | { | |
2956 | if (mode_64bit) | |
2957 | { | |
2958 | if (hex) | |
2959 | { | |
2960 | char tmp[30]; | |
2961 | int i; | |
2962 | buf[0] = '0'; | |
2963 | buf[1] = 'x'; | |
2964 | sprintf_vma (tmp, disp); | |
6608db57 | 2965 | for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++); |
52b15da3 JH |
2966 | strcpy (buf + 2, tmp + i); |
2967 | } | |
2968 | else | |
2969 | { | |
2970 | bfd_signed_vma v = disp; | |
2971 | char tmp[30]; | |
2972 | int i; | |
2973 | if (v < 0) | |
2974 | { | |
2975 | *(buf++) = '-'; | |
2976 | v = -disp; | |
6608db57 | 2977 | /* Check for possible overflow on 0x8000000000000000. */ |
52b15da3 JH |
2978 | if (v < 0) |
2979 | { | |
2980 | strcpy (buf, "9223372036854775808"); | |
2981 | return; | |
2982 | } | |
2983 | } | |
2984 | if (!v) | |
2985 | { | |
2986 | strcpy (buf, "0"); | |
2987 | return; | |
2988 | } | |
2989 | ||
2990 | i = 0; | |
2991 | tmp[29] = 0; | |
2992 | while (v) | |
2993 | { | |
6608db57 | 2994 | tmp[28 - i] = (v % 10) + '0'; |
52b15da3 JH |
2995 | v /= 10; |
2996 | i++; | |
2997 | } | |
2998 | strcpy (buf, tmp + 29 - i); | |
2999 | } | |
3000 | } | |
3001 | else | |
3002 | { | |
3003 | if (hex) | |
3004 | sprintf (buf, "0x%x", (unsigned int) disp); | |
3005 | else | |
3006 | sprintf (buf, "%d", (int) disp); | |
3007 | } | |
3008 | } | |
3009 | ||
252b5132 RH |
3010 | static void |
3011 | OP_E (bytemode, sizeflag) | |
3012 | int bytemode; | |
3013 | int sizeflag; | |
3014 | { | |
52b15da3 JH |
3015 | bfd_vma disp; |
3016 | int add = 0; | |
3017 | int riprel = 0; | |
3018 | USED_REX (REX_EXTZ); | |
3019 | if (rex & REX_EXTZ) | |
3020 | add += 8; | |
252b5132 | 3021 | |
6608db57 | 3022 | /* Skip mod/rm byte. */ |
4bba6815 | 3023 | MODRM_CHECK; |
252b5132 RH |
3024 | codep++; |
3025 | ||
3026 | if (mod == 3) | |
3027 | { | |
3028 | switch (bytemode) | |
3029 | { | |
3030 | case b_mode: | |
52b15da3 JH |
3031 | USED_REX (0); |
3032 | if (rex) | |
3033 | oappend (names8rex[rm + add]); | |
3034 | else | |
3035 | oappend (names8[rm + add]); | |
252b5132 RH |
3036 | break; |
3037 | case w_mode: | |
52b15da3 | 3038 | oappend (names16[rm + add]); |
252b5132 | 3039 | break; |
2da11e11 | 3040 | case d_mode: |
52b15da3 JH |
3041 | oappend (names32[rm + add]); |
3042 | break; | |
3043 | case q_mode: | |
3044 | oappend (names64[rm + add]); | |
3045 | break; | |
3046 | case m_mode: | |
3047 | if (mode_64bit) | |
3048 | oappend (names64[rm + add]); | |
3049 | else | |
3050 | oappend (names32[rm + add]); | |
2da11e11 | 3051 | break; |
252b5132 | 3052 | case v_mode: |
db6eb5be | 3053 | case dq_mode: |
52b15da3 JH |
3054 | USED_REX (REX_MODE64); |
3055 | if (rex & REX_MODE64) | |
3056 | oappend (names64[rm + add]); | |
db6eb5be | 3057 | else if ((sizeflag & DFLAG) || bytemode == dq_mode) |
52b15da3 | 3058 | oappend (names32[rm + add]); |
252b5132 | 3059 | else |
52b15da3 | 3060 | oappend (names16[rm + add]); |
7d421014 | 3061 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 | 3062 | break; |
2da11e11 | 3063 | case 0: |
6608db57 | 3064 | if (!(codep[-2] == 0xAE && codep[-1] == 0xF8 /* sfence */) |
041bd2e0 JH |
3065 | && !(codep[-2] == 0xAE && codep[-1] == 0xF0 /* mfence */) |
3066 | && !(codep[-2] == 0xAE && codep[-1] == 0xe8 /* lfence */)) | |
6608db57 | 3067 | BadOp (); /* bad sfence,lea,lds,les,lfs,lgs,lss modrm */ |
c608c12e | 3068 | break; |
252b5132 | 3069 | default: |
c608c12e | 3070 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
252b5132 RH |
3071 | break; |
3072 | } | |
3073 | return; | |
3074 | } | |
3075 | ||
3076 | disp = 0; | |
3077 | append_seg (); | |
3078 | ||
c1a64871 | 3079 | if ((sizeflag & AFLAG) || mode_64bit) /* 32 bit address mode */ |
252b5132 RH |
3080 | { |
3081 | int havesib; | |
3082 | int havebase; | |
3083 | int base; | |
3084 | int index = 0; | |
3085 | int scale = 0; | |
3086 | ||
3087 | havesib = 0; | |
3088 | havebase = 1; | |
3089 | base = rm; | |
3090 | ||
3091 | if (base == 4) | |
3092 | { | |
3093 | havesib = 1; | |
3094 | FETCH_DATA (the_info, codep + 1); | |
3095 | scale = (*codep >> 6) & 3; | |
3096 | index = (*codep >> 3) & 7; | |
3097 | base = *codep & 7; | |
52b15da3 JH |
3098 | USED_REX (REX_EXTY); |
3099 | USED_REX (REX_EXTZ); | |
3100 | if (rex & REX_EXTY) | |
3101 | index += 8; | |
3102 | if (rex & REX_EXTZ) | |
3103 | base += 8; | |
252b5132 RH |
3104 | codep++; |
3105 | } | |
3106 | ||
3107 | switch (mod) | |
3108 | { | |
3109 | case 0: | |
52b15da3 | 3110 | if ((base & 7) == 5) |
252b5132 RH |
3111 | { |
3112 | havebase = 0; | |
c1a64871 | 3113 | if (mode_64bit && !havesib && (sizeflag & AFLAG)) |
52b15da3 JH |
3114 | riprel = 1; |
3115 | disp = get32s (); | |
252b5132 RH |
3116 | } |
3117 | break; | |
3118 | case 1: | |
3119 | FETCH_DATA (the_info, codep + 1); | |
3120 | disp = *codep++; | |
3121 | if ((disp & 0x80) != 0) | |
3122 | disp -= 0x100; | |
3123 | break; | |
3124 | case 2: | |
52b15da3 | 3125 | disp = get32s (); |
252b5132 RH |
3126 | break; |
3127 | } | |
3128 | ||
3129 | if (!intel_syntax) | |
db6eb5be AM |
3130 | if (mod != 0 || (base & 7) == 5) |
3131 | { | |
52b15da3 | 3132 | print_operand_value (scratchbuf, !riprel, disp); |
db6eb5be | 3133 | oappend (scratchbuf); |
52b15da3 JH |
3134 | if (riprel) |
3135 | { | |
3136 | set_op (disp, 1); | |
3137 | oappend ("(%rip)"); | |
3138 | } | |
db6eb5be | 3139 | } |
2da11e11 | 3140 | |
252b5132 RH |
3141 | if (havebase || (havesib && (index != 4 || scale != 0))) |
3142 | { | |
db6eb5be AM |
3143 | if (intel_syntax) |
3144 | { | |
3145 | switch (bytemode) | |
3146 | { | |
3147 | case b_mode: | |
3148 | oappend ("BYTE PTR "); | |
3149 | break; | |
3150 | case w_mode: | |
3151 | oappend ("WORD PTR "); | |
3152 | break; | |
3153 | case v_mode: | |
3154 | oappend ("DWORD PTR "); | |
3155 | break; | |
3156 | case d_mode: | |
3157 | oappend ("QWORD PTR "); | |
3158 | break; | |
3159 | case m_mode: | |
52b15da3 JH |
3160 | if (mode_64bit) |
3161 | oappend ("DWORD PTR "); | |
3162 | else | |
3163 | oappend ("QWORD PTR "); | |
3164 | break; | |
db6eb5be AM |
3165 | case x_mode: |
3166 | oappend ("XWORD PTR "); | |
3167 | break; | |
3168 | default: | |
3169 | break; | |
3170 | } | |
3171 | } | |
252b5132 | 3172 | *obufp++ = open_char; |
52b15da3 JH |
3173 | if (intel_syntax && riprel) |
3174 | oappend ("rip + "); | |
db6eb5be | 3175 | *obufp = '\0'; |
52b15da3 JH |
3176 | USED_REX (REX_EXTZ); |
3177 | if (!havesib && (rex & REX_EXTZ)) | |
3178 | base += 8; | |
252b5132 | 3179 | if (havebase) |
c1a64871 JH |
3180 | oappend (mode_64bit && (sizeflag & AFLAG) |
3181 | ? names64[base] : names32[base]); | |
252b5132 RH |
3182 | if (havesib) |
3183 | { | |
3184 | if (index != 4) | |
3185 | { | |
db6eb5be AM |
3186 | if (intel_syntax) |
3187 | { | |
3188 | if (havebase) | |
3189 | { | |
3190 | *obufp++ = separator_char; | |
3191 | *obufp = '\0'; | |
3192 | } | |
3193 | sprintf (scratchbuf, "%s", | |
c1a64871 JH |
3194 | mode_64bit && (sizeflag & AFLAG) |
3195 | ? names64[index] : names32[index]); | |
db6eb5be AM |
3196 | } |
3197 | else | |
d708bcba | 3198 | sprintf (scratchbuf, ",%s", |
c1a64871 JH |
3199 | mode_64bit && (sizeflag & AFLAG) |
3200 | ? names64[index] : names32[index]); | |
252b5132 RH |
3201 | oappend (scratchbuf); |
3202 | } | |
db6eb5be AM |
3203 | if (!intel_syntax |
3204 | || (intel_syntax | |
3205 | && bytemode != b_mode | |
3206 | && bytemode != w_mode | |
3207 | && bytemode != v_mode)) | |
3208 | { | |
3209 | *obufp++ = scale_char; | |
3210 | *obufp = '\0'; | |
3211 | sprintf (scratchbuf, "%d", 1 << scale); | |
3212 | oappend (scratchbuf); | |
3213 | } | |
252b5132 | 3214 | } |
db6eb5be AM |
3215 | if (intel_syntax) |
3216 | if (mod != 0 || (base & 7) == 5) | |
3217 | { | |
6608db57 | 3218 | /* Don't print zero displacements. */ |
db6eb5be AM |
3219 | if (disp != 0) |
3220 | { | |
d708bcba AM |
3221 | if ((bfd_signed_vma) disp > 0) |
3222 | { | |
3223 | *obufp++ = '+'; | |
3224 | *obufp = '\0'; | |
3225 | } | |
3226 | ||
52b15da3 | 3227 | print_operand_value (scratchbuf, 0, disp); |
db6eb5be AM |
3228 | oappend (scratchbuf); |
3229 | } | |
3230 | } | |
252b5132 RH |
3231 | |
3232 | *obufp++ = close_char; | |
db6eb5be | 3233 | *obufp = '\0'; |
252b5132 RH |
3234 | } |
3235 | else if (intel_syntax) | |
db6eb5be AM |
3236 | { |
3237 | if (mod != 0 || (base & 7) == 5) | |
3238 | { | |
252b5132 RH |
3239 | if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS |
3240 | | PREFIX_ES | PREFIX_FS | PREFIX_GS)) | |
3241 | ; | |
3242 | else | |
3243 | { | |
d708bcba | 3244 | oappend (names_seg[ds_reg - es_reg]); |
252b5132 RH |
3245 | oappend (":"); |
3246 | } | |
52b15da3 | 3247 | print_operand_value (scratchbuf, 1, disp); |
db6eb5be AM |
3248 | oappend (scratchbuf); |
3249 | } | |
3250 | } | |
252b5132 RH |
3251 | } |
3252 | else | |
3253 | { /* 16 bit address mode */ | |
3254 | switch (mod) | |
3255 | { | |
3256 | case 0: | |
52b15da3 | 3257 | if ((rm & 7) == 6) |
252b5132 RH |
3258 | { |
3259 | disp = get16 (); | |
3260 | if ((disp & 0x8000) != 0) | |
3261 | disp -= 0x10000; | |
3262 | } | |
3263 | break; | |
3264 | case 1: | |
3265 | FETCH_DATA (the_info, codep + 1); | |
3266 | disp = *codep++; | |
3267 | if ((disp & 0x80) != 0) | |
3268 | disp -= 0x100; | |
3269 | break; | |
3270 | case 2: | |
3271 | disp = get16 (); | |
3272 | if ((disp & 0x8000) != 0) | |
3273 | disp -= 0x10000; | |
3274 | break; | |
3275 | } | |
3276 | ||
3277 | if (!intel_syntax) | |
db6eb5be AM |
3278 | if (mod != 0 || (rm & 7) == 6) |
3279 | { | |
52b15da3 | 3280 | print_operand_value (scratchbuf, 0, disp); |
db6eb5be AM |
3281 | oappend (scratchbuf); |
3282 | } | |
252b5132 | 3283 | |
52b15da3 | 3284 | if (mod != 0 || (rm & 7) != 6) |
252b5132 RH |
3285 | { |
3286 | *obufp++ = open_char; | |
db6eb5be | 3287 | *obufp = '\0'; |
52b15da3 | 3288 | oappend (index16[rm + add]); |
db6eb5be AM |
3289 | *obufp++ = close_char; |
3290 | *obufp = '\0'; | |
252b5132 RH |
3291 | } |
3292 | } | |
3293 | } | |
3294 | ||
252b5132 RH |
3295 | static void |
3296 | OP_G (bytemode, sizeflag) | |
3297 | int bytemode; | |
3298 | int sizeflag; | |
3299 | { | |
52b15da3 JH |
3300 | int add = 0; |
3301 | USED_REX (REX_EXTX); | |
3302 | if (rex & REX_EXTX) | |
3303 | add += 8; | |
252b5132 RH |
3304 | switch (bytemode) |
3305 | { | |
3306 | case b_mode: | |
52b15da3 JH |
3307 | USED_REX (0); |
3308 | if (rex) | |
3309 | oappend (names8rex[reg + add]); | |
3310 | else | |
3311 | oappend (names8[reg + add]); | |
252b5132 RH |
3312 | break; |
3313 | case w_mode: | |
52b15da3 | 3314 | oappend (names16[reg + add]); |
252b5132 RH |
3315 | break; |
3316 | case d_mode: | |
52b15da3 JH |
3317 | oappend (names32[reg + add]); |
3318 | break; | |
3319 | case q_mode: | |
3320 | oappend (names64[reg + add]); | |
252b5132 RH |
3321 | break; |
3322 | case v_mode: | |
52b15da3 JH |
3323 | USED_REX (REX_MODE64); |
3324 | if (rex & REX_MODE64) | |
3325 | oappend (names64[reg + add]); | |
3326 | else if (sizeflag & DFLAG) | |
3327 | oappend (names32[reg + add]); | |
252b5132 | 3328 | else |
52b15da3 | 3329 | oappend (names16[reg + add]); |
7d421014 | 3330 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3331 | break; |
3332 | default: | |
3333 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3334 | break; | |
3335 | } | |
3336 | } | |
3337 | ||
52b15da3 JH |
3338 | static bfd_vma |
3339 | get64 () | |
3340 | { | |
5dd0794d | 3341 | bfd_vma x; |
52b15da3 | 3342 | #ifdef BFD64 |
5dd0794d AM |
3343 | unsigned int a; |
3344 | unsigned int b; | |
3345 | ||
52b15da3 JH |
3346 | FETCH_DATA (the_info, codep + 8); |
3347 | a = *codep++ & 0xff; | |
3348 | a |= (*codep++ & 0xff) << 8; | |
3349 | a |= (*codep++ & 0xff) << 16; | |
3350 | a |= (*codep++ & 0xff) << 24; | |
5dd0794d | 3351 | b = *codep++ & 0xff; |
52b15da3 JH |
3352 | b |= (*codep++ & 0xff) << 8; |
3353 | b |= (*codep++ & 0xff) << 16; | |
3354 | b |= (*codep++ & 0xff) << 24; | |
3355 | x = a + ((bfd_vma) b << 32); | |
3356 | #else | |
6608db57 | 3357 | abort (); |
5dd0794d | 3358 | x = 0; |
52b15da3 JH |
3359 | #endif |
3360 | return x; | |
3361 | } | |
3362 | ||
3363 | static bfd_signed_vma | |
252b5132 RH |
3364 | get32 () |
3365 | { | |
52b15da3 | 3366 | bfd_signed_vma x = 0; |
252b5132 RH |
3367 | |
3368 | FETCH_DATA (the_info, codep + 4); | |
52b15da3 JH |
3369 | x = *codep++ & (bfd_signed_vma) 0xff; |
3370 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; | |
3371 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; | |
3372 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; | |
3373 | return x; | |
3374 | } | |
3375 | ||
3376 | static bfd_signed_vma | |
3377 | get32s () | |
3378 | { | |
3379 | bfd_signed_vma x = 0; | |
3380 | ||
3381 | FETCH_DATA (the_info, codep + 4); | |
3382 | x = *codep++ & (bfd_signed_vma) 0xff; | |
3383 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; | |
3384 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; | |
3385 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; | |
3386 | ||
3387 | x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31); | |
3388 | ||
252b5132 RH |
3389 | return x; |
3390 | } | |
3391 | ||
3392 | static int | |
3393 | get16 () | |
3394 | { | |
3395 | int x = 0; | |
3396 | ||
3397 | FETCH_DATA (the_info, codep + 2); | |
3398 | x = *codep++ & 0xff; | |
3399 | x |= (*codep++ & 0xff) << 8; | |
3400 | return x; | |
3401 | } | |
3402 | ||
3403 | static void | |
52b15da3 | 3404 | set_op (op, riprel) |
7081ff04 | 3405 | bfd_vma op; |
52b15da3 | 3406 | int riprel; |
252b5132 RH |
3407 | { |
3408 | op_index[op_ad] = op_ad; | |
7081ff04 AJ |
3409 | if (mode_64bit) |
3410 | { | |
3411 | op_address[op_ad] = op; | |
3412 | op_riprel[op_ad] = riprel; | |
3413 | } | |
3414 | else | |
3415 | { | |
3416 | /* Mask to get a 32-bit address. */ | |
3417 | op_address[op_ad] = op & 0xffffffff; | |
3418 | op_riprel[op_ad] = riprel & 0xffffffff; | |
3419 | } | |
252b5132 RH |
3420 | } |
3421 | ||
3422 | static void | |
3423 | OP_REG (code, sizeflag) | |
3424 | int code; | |
3425 | int sizeflag; | |
3426 | { | |
2da11e11 | 3427 | const char *s; |
52b15da3 JH |
3428 | int add = 0; |
3429 | USED_REX (REX_EXTZ); | |
3430 | if (rex & REX_EXTZ) | |
3431 | add = 8; | |
3432 | ||
3433 | switch (code) | |
3434 | { | |
3435 | case indir_dx_reg: | |
d708bcba | 3436 | if (intel_syntax) |
db6eb5be | 3437 | s = "[dx]"; |
d708bcba | 3438 | else |
db6eb5be | 3439 | s = "(%dx)"; |
52b15da3 JH |
3440 | break; |
3441 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: | |
3442 | case sp_reg: case bp_reg: case si_reg: case di_reg: | |
3443 | s = names16[code - ax_reg + add]; | |
3444 | break; | |
3445 | case es_reg: case ss_reg: case cs_reg: | |
3446 | case ds_reg: case fs_reg: case gs_reg: | |
3447 | s = names_seg[code - es_reg + add]; | |
3448 | break; | |
3449 | case al_reg: case ah_reg: case cl_reg: case ch_reg: | |
3450 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: | |
3451 | USED_REX (0); | |
3452 | if (rex) | |
3453 | s = names8rex[code - al_reg + add]; | |
3454 | else | |
3455 | s = names8[code - al_reg]; | |
3456 | break; | |
6439fc28 AM |
3457 | case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg: |
3458 | case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg: | |
3459 | if (mode_64bit) | |
3460 | { | |
3461 | s = names64[code - rAX_reg + add]; | |
3462 | break; | |
3463 | } | |
3464 | code += eAX_reg - rAX_reg; | |
6608db57 | 3465 | /* Fall through. */ |
52b15da3 JH |
3466 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: |
3467 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: | |
3468 | USED_REX (REX_MODE64); | |
3469 | if (rex & REX_MODE64) | |
3470 | s = names64[code - eAX_reg + add]; | |
3471 | else if (sizeflag & DFLAG) | |
3472 | s = names32[code - eAX_reg + add]; | |
3473 | else | |
3474 | s = names16[code - eAX_reg + add]; | |
3475 | used_prefixes |= (prefixes & PREFIX_DATA); | |
3476 | break; | |
52b15da3 JH |
3477 | default: |
3478 | s = INTERNAL_DISASSEMBLER_ERROR; | |
3479 | break; | |
3480 | } | |
3481 | oappend (s); | |
3482 | } | |
3483 | ||
3484 | static void | |
3485 | OP_IMREG (code, sizeflag) | |
3486 | int code; | |
3487 | int sizeflag; | |
3488 | { | |
3489 | const char *s; | |
252b5132 RH |
3490 | |
3491 | switch (code) | |
3492 | { | |
3493 | case indir_dx_reg: | |
d708bcba | 3494 | if (intel_syntax) |
db6eb5be | 3495 | s = "[dx]"; |
d708bcba | 3496 | else |
db6eb5be | 3497 | s = "(%dx)"; |
252b5132 RH |
3498 | break; |
3499 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: | |
3500 | case sp_reg: case bp_reg: case si_reg: case di_reg: | |
3501 | s = names16[code - ax_reg]; | |
3502 | break; | |
3503 | case es_reg: case ss_reg: case cs_reg: | |
3504 | case ds_reg: case fs_reg: case gs_reg: | |
3505 | s = names_seg[code - es_reg]; | |
3506 | break; | |
3507 | case al_reg: case ah_reg: case cl_reg: case ch_reg: | |
3508 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: | |
52b15da3 JH |
3509 | USED_REX (0); |
3510 | if (rex) | |
3511 | s = names8rex[code - al_reg]; | |
3512 | else | |
3513 | s = names8[code - al_reg]; | |
252b5132 RH |
3514 | break; |
3515 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: | |
3516 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: | |
52b15da3 JH |
3517 | USED_REX (REX_MODE64); |
3518 | if (rex & REX_MODE64) | |
3519 | s = names64[code - eAX_reg]; | |
3520 | else if (sizeflag & DFLAG) | |
252b5132 RH |
3521 | s = names32[code - eAX_reg]; |
3522 | else | |
3523 | s = names16[code - eAX_reg]; | |
7d421014 | 3524 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3525 | break; |
3526 | default: | |
3527 | s = INTERNAL_DISASSEMBLER_ERROR; | |
3528 | break; | |
3529 | } | |
3530 | oappend (s); | |
3531 | } | |
3532 | ||
3533 | static void | |
3534 | OP_I (bytemode, sizeflag) | |
3535 | int bytemode; | |
3536 | int sizeflag; | |
3537 | { | |
52b15da3 JH |
3538 | bfd_signed_vma op; |
3539 | bfd_signed_vma mask = -1; | |
252b5132 RH |
3540 | |
3541 | switch (bytemode) | |
3542 | { | |
3543 | case b_mode: | |
3544 | FETCH_DATA (the_info, codep + 1); | |
52b15da3 JH |
3545 | op = *codep++; |
3546 | mask = 0xff; | |
3547 | break; | |
3548 | case q_mode: | |
6439fc28 AM |
3549 | if (mode_64bit) |
3550 | { | |
3551 | op = get32s (); | |
3552 | break; | |
3553 | } | |
6608db57 | 3554 | /* Fall through. */ |
252b5132 | 3555 | case v_mode: |
52b15da3 JH |
3556 | USED_REX (REX_MODE64); |
3557 | if (rex & REX_MODE64) | |
3558 | op = get32s (); | |
3559 | else if (sizeflag & DFLAG) | |
3560 | { | |
3561 | op = get32 (); | |
3562 | mask = 0xffffffff; | |
3563 | } | |
252b5132 | 3564 | else |
52b15da3 JH |
3565 | { |
3566 | op = get16 (); | |
3567 | mask = 0xfffff; | |
3568 | } | |
7d421014 | 3569 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3570 | break; |
3571 | case w_mode: | |
52b15da3 | 3572 | mask = 0xfffff; |
252b5132 RH |
3573 | op = get16 (); |
3574 | break; | |
3575 | default: | |
3576 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3577 | return; | |
3578 | } | |
3579 | ||
52b15da3 JH |
3580 | op &= mask; |
3581 | scratchbuf[0] = '$'; | |
d708bcba AM |
3582 | print_operand_value (scratchbuf + 1, 1, op); |
3583 | oappend (scratchbuf + intel_syntax); | |
52b15da3 JH |
3584 | scratchbuf[0] = '\0'; |
3585 | } | |
3586 | ||
3587 | static void | |
3588 | OP_I64 (bytemode, sizeflag) | |
3589 | int bytemode; | |
3590 | int sizeflag; | |
3591 | { | |
3592 | bfd_signed_vma op; | |
3593 | bfd_signed_vma mask = -1; | |
3594 | ||
6439fc28 AM |
3595 | if (!mode_64bit) |
3596 | { | |
3597 | OP_I (bytemode, sizeflag); | |
3598 | return; | |
3599 | } | |
3600 | ||
52b15da3 JH |
3601 | switch (bytemode) |
3602 | { | |
3603 | case b_mode: | |
3604 | FETCH_DATA (the_info, codep + 1); | |
3605 | op = *codep++; | |
3606 | mask = 0xff; | |
3607 | break; | |
3608 | case v_mode: | |
3609 | USED_REX (REX_MODE64); | |
3610 | if (rex & REX_MODE64) | |
3611 | op = get64 (); | |
3612 | else if (sizeflag & DFLAG) | |
3613 | { | |
3614 | op = get32 (); | |
3615 | mask = 0xffffffff; | |
3616 | } | |
3617 | else | |
3618 | { | |
3619 | op = get16 (); | |
3620 | mask = 0xfffff; | |
3621 | } | |
3622 | used_prefixes |= (prefixes & PREFIX_DATA); | |
3623 | break; | |
3624 | case w_mode: | |
3625 | mask = 0xfffff; | |
3626 | op = get16 (); | |
3627 | break; | |
3628 | default: | |
3629 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3630 | return; | |
3631 | } | |
3632 | ||
3633 | op &= mask; | |
3634 | scratchbuf[0] = '$'; | |
d708bcba AM |
3635 | print_operand_value (scratchbuf + 1, 1, op); |
3636 | oappend (scratchbuf + intel_syntax); | |
252b5132 RH |
3637 | scratchbuf[0] = '\0'; |
3638 | } | |
3639 | ||
3640 | static void | |
3641 | OP_sI (bytemode, sizeflag) | |
3642 | int bytemode; | |
3643 | int sizeflag; | |
3644 | { | |
52b15da3 JH |
3645 | bfd_signed_vma op; |
3646 | bfd_signed_vma mask = -1; | |
252b5132 RH |
3647 | |
3648 | switch (bytemode) | |
3649 | { | |
3650 | case b_mode: | |
3651 | FETCH_DATA (the_info, codep + 1); | |
3652 | op = *codep++; | |
3653 | if ((op & 0x80) != 0) | |
3654 | op -= 0x100; | |
52b15da3 | 3655 | mask = 0xffffffff; |
252b5132 RH |
3656 | break; |
3657 | case v_mode: | |
52b15da3 JH |
3658 | USED_REX (REX_MODE64); |
3659 | if (rex & REX_MODE64) | |
3660 | op = get32s (); | |
3661 | else if (sizeflag & DFLAG) | |
3662 | { | |
3663 | op = get32s (); | |
3664 | mask = 0xffffffff; | |
3665 | } | |
252b5132 RH |
3666 | else |
3667 | { | |
52b15da3 | 3668 | mask = 0xffffffff; |
6608db57 | 3669 | op = get16 (); |
252b5132 RH |
3670 | if ((op & 0x8000) != 0) |
3671 | op -= 0x10000; | |
3672 | } | |
7d421014 | 3673 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3674 | break; |
3675 | case w_mode: | |
3676 | op = get16 (); | |
52b15da3 | 3677 | mask = 0xffffffff; |
252b5132 RH |
3678 | if ((op & 0x8000) != 0) |
3679 | op -= 0x10000; | |
3680 | break; | |
3681 | default: | |
3682 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3683 | return; | |
3684 | } | |
52b15da3 JH |
3685 | |
3686 | scratchbuf[0] = '$'; | |
3687 | print_operand_value (scratchbuf + 1, 1, op); | |
d708bcba | 3688 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
3689 | } |
3690 | ||
3691 | static void | |
3692 | OP_J (bytemode, sizeflag) | |
3693 | int bytemode; | |
3694 | int sizeflag; | |
3695 | { | |
52b15da3 | 3696 | bfd_vma disp; |
7081ff04 | 3697 | bfd_vma mask = -1; |
252b5132 RH |
3698 | |
3699 | switch (bytemode) | |
3700 | { | |
3701 | case b_mode: | |
3702 | FETCH_DATA (the_info, codep + 1); | |
3703 | disp = *codep++; | |
3704 | if ((disp & 0x80) != 0) | |
3705 | disp -= 0x100; | |
3706 | break; | |
3707 | case v_mode: | |
3708 | if (sizeflag & DFLAG) | |
52b15da3 | 3709 | disp = get32s (); |
252b5132 RH |
3710 | else |
3711 | { | |
3712 | disp = get16 (); | |
6608db57 | 3713 | /* For some reason, a data16 prefix on a jump instruction |
252b5132 RH |
3714 | means that the pc is masked to 16 bits after the |
3715 | displacement is added! */ | |
3716 | mask = 0xffff; | |
3717 | } | |
3718 | break; | |
3719 | default: | |
3720 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3721 | return; | |
3722 | } | |
3723 | disp = (start_pc + codep - start_codep + disp) & mask; | |
52b15da3 JH |
3724 | set_op (disp, 0); |
3725 | print_operand_value (scratchbuf, 1, disp); | |
252b5132 RH |
3726 | oappend (scratchbuf); |
3727 | } | |
3728 | ||
252b5132 RH |
3729 | static void |
3730 | OP_SEG (dummy, sizeflag) | |
57d91c3c ILT |
3731 | int dummy ATTRIBUTE_UNUSED; |
3732 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 | 3733 | { |
d708bcba | 3734 | oappend (names_seg[reg]); |
252b5132 RH |
3735 | } |
3736 | ||
3737 | static void | |
c608c12e | 3738 | OP_DIR (dummy, sizeflag) |
57d91c3c | 3739 | int dummy ATTRIBUTE_UNUSED; |
252b5132 RH |
3740 | int sizeflag; |
3741 | { | |
3742 | int seg, offset; | |
3743 | ||
c608c12e | 3744 | if (sizeflag & DFLAG) |
252b5132 | 3745 | { |
c608c12e AM |
3746 | offset = get32 (); |
3747 | seg = get16 (); | |
252b5132 | 3748 | } |
c608c12e AM |
3749 | else |
3750 | { | |
3751 | offset = get16 (); | |
3752 | seg = get16 (); | |
3753 | } | |
7d421014 | 3754 | used_prefixes |= (prefixes & PREFIX_DATA); |
d708bcba AM |
3755 | if (intel_syntax) |
3756 | sprintf (scratchbuf, "0x%x,0x%x", seg, offset); | |
3757 | else | |
3758 | sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset); | |
c608c12e | 3759 | oappend (scratchbuf); |
252b5132 RH |
3760 | } |
3761 | ||
252b5132 | 3762 | static void |
6439fc28 AM |
3763 | OP_OFF (bytemode, sizeflag) |
3764 | int bytemode ATTRIBUTE_UNUSED; | |
252b5132 RH |
3765 | int sizeflag; |
3766 | { | |
52b15da3 | 3767 | bfd_vma off; |
252b5132 RH |
3768 | |
3769 | append_seg (); | |
3770 | ||
c1a64871 | 3771 | if ((sizeflag & AFLAG) || mode_64bit) |
252b5132 RH |
3772 | off = get32 (); |
3773 | else | |
3774 | off = get16 (); | |
3775 | ||
3776 | if (intel_syntax) | |
3777 | { | |
3778 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
db6eb5be | 3779 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) |
252b5132 | 3780 | { |
d708bcba | 3781 | oappend (names_seg[ds_reg - es_reg]); |
252b5132 RH |
3782 | oappend (":"); |
3783 | } | |
3784 | } | |
52b15da3 JH |
3785 | print_operand_value (scratchbuf, 1, off); |
3786 | oappend (scratchbuf); | |
3787 | } | |
6439fc28 | 3788 | |
52b15da3 | 3789 | static void |
6439fc28 AM |
3790 | OP_OFF64 (bytemode, sizeflag) |
3791 | int bytemode ATTRIBUTE_UNUSED; | |
52b15da3 JH |
3792 | int sizeflag ATTRIBUTE_UNUSED; |
3793 | { | |
3794 | bfd_vma off; | |
3795 | ||
6439fc28 AM |
3796 | if (!mode_64bit) |
3797 | { | |
3798 | OP_OFF (bytemode, sizeflag); | |
3799 | return; | |
3800 | } | |
3801 | ||
52b15da3 JH |
3802 | append_seg (); |
3803 | ||
6608db57 | 3804 | off = get64 (); |
52b15da3 JH |
3805 | |
3806 | if (intel_syntax) | |
3807 | { | |
3808 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
db6eb5be | 3809 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) |
52b15da3 | 3810 | { |
d708bcba | 3811 | oappend (names_seg[ds_reg - es_reg]); |
52b15da3 JH |
3812 | oappend (":"); |
3813 | } | |
3814 | } | |
3815 | print_operand_value (scratchbuf, 1, off); | |
252b5132 RH |
3816 | oappend (scratchbuf); |
3817 | } | |
3818 | ||
3819 | static void | |
3820 | ptr_reg (code, sizeflag) | |
3821 | int code; | |
3822 | int sizeflag; | |
3823 | { | |
2da11e11 | 3824 | const char *s; |
6608db57 | 3825 | if (intel_syntax) |
d708bcba AM |
3826 | oappend ("["); |
3827 | else | |
3828 | oappend ("("); | |
3829 | ||
52b15da3 JH |
3830 | USED_REX (REX_MODE64); |
3831 | if (rex & REX_MODE64) | |
c1a64871 JH |
3832 | { |
3833 | if (!(sizeflag & AFLAG)) | |
db6eb5be | 3834 | s = names32[code - eAX_reg]; |
c1a64871 | 3835 | else |
db6eb5be | 3836 | s = names64[code - eAX_reg]; |
c1a64871 | 3837 | } |
52b15da3 | 3838 | else if (sizeflag & AFLAG) |
252b5132 RH |
3839 | s = names32[code - eAX_reg]; |
3840 | else | |
3841 | s = names16[code - eAX_reg]; | |
3842 | oappend (s); | |
6608db57 | 3843 | if (intel_syntax) |
d708bcba AM |
3844 | oappend ("]"); |
3845 | else | |
3846 | oappend (")"); | |
252b5132 RH |
3847 | } |
3848 | ||
3849 | static void | |
3850 | OP_ESreg (code, sizeflag) | |
3851 | int code; | |
3852 | int sizeflag; | |
3853 | { | |
d708bcba | 3854 | oappend ("%es:" + intel_syntax); |
252b5132 RH |
3855 | ptr_reg (code, sizeflag); |
3856 | } | |
3857 | ||
3858 | static void | |
3859 | OP_DSreg (code, sizeflag) | |
3860 | int code; | |
3861 | int sizeflag; | |
3862 | { | |
3863 | if ((prefixes | |
3864 | & (PREFIX_CS | |
3865 | | PREFIX_DS | |
3866 | | PREFIX_SS | |
3867 | | PREFIX_ES | |
3868 | | PREFIX_FS | |
3869 | | PREFIX_GS)) == 0) | |
3870 | prefixes |= PREFIX_DS; | |
6608db57 | 3871 | append_seg (); |
252b5132 RH |
3872 | ptr_reg (code, sizeflag); |
3873 | } | |
3874 | ||
252b5132 RH |
3875 | static void |
3876 | OP_C (dummy, sizeflag) | |
57d91c3c ILT |
3877 | int dummy ATTRIBUTE_UNUSED; |
3878 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 | 3879 | { |
52b15da3 JH |
3880 | int add = 0; |
3881 | USED_REX (REX_EXTX); | |
3882 | if (rex & REX_EXTX) | |
3883 | add = 8; | |
d708bcba AM |
3884 | sprintf (scratchbuf, "%%cr%d", reg + add); |
3885 | oappend (scratchbuf + intel_syntax); | |
252b5132 RH |
3886 | } |
3887 | ||
252b5132 RH |
3888 | static void |
3889 | OP_D (dummy, sizeflag) | |
57d91c3c ILT |
3890 | int dummy ATTRIBUTE_UNUSED; |
3891 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 | 3892 | { |
52b15da3 JH |
3893 | int add = 0; |
3894 | USED_REX (REX_EXTX); | |
3895 | if (rex & REX_EXTX) | |
3896 | add = 8; | |
d708bcba | 3897 | if (intel_syntax) |
6608db57 | 3898 | sprintf (scratchbuf, "db%d", reg + add); |
d708bcba | 3899 | else |
6608db57 | 3900 | sprintf (scratchbuf, "%%db%d", reg + add); |
252b5132 RH |
3901 | oappend (scratchbuf); |
3902 | } | |
3903 | ||
252b5132 RH |
3904 | static void |
3905 | OP_T (dummy, sizeflag) | |
57d91c3c ILT |
3906 | int dummy ATTRIBUTE_UNUSED; |
3907 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 | 3908 | { |
252b5132 | 3909 | sprintf (scratchbuf, "%%tr%d", reg); |
d708bcba | 3910 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
3911 | } |
3912 | ||
3913 | static void | |
2da11e11 | 3914 | OP_Rd (bytemode, sizeflag) |
252b5132 RH |
3915 | int bytemode; |
3916 | int sizeflag; | |
3917 | { | |
2da11e11 AM |
3918 | if (mod == 3) |
3919 | OP_E (bytemode, sizeflag); | |
3920 | else | |
6608db57 | 3921 | BadOp (); |
252b5132 RH |
3922 | } |
3923 | ||
3924 | static void | |
6439fc28 AM |
3925 | OP_MMX (bytemode, sizeflag) |
3926 | int bytemode ATTRIBUTE_UNUSED; | |
57d91c3c | 3927 | int sizeflag ATTRIBUTE_UNUSED; |
252b5132 | 3928 | { |
041bd2e0 JH |
3929 | int add = 0; |
3930 | USED_REX (REX_EXTX); | |
3931 | if (rex & REX_EXTX) | |
3932 | add = 8; | |
3933 | used_prefixes |= (prefixes & PREFIX_DATA); | |
3934 | if (prefixes & PREFIX_DATA) | |
3935 | sprintf (scratchbuf, "%%xmm%d", reg + add); | |
3936 | else | |
3937 | sprintf (scratchbuf, "%%mm%d", reg + add); | |
d708bcba | 3938 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
3939 | } |
3940 | ||
c608c12e AM |
3941 | static void |
3942 | OP_XMM (bytemode, sizeflag) | |
57d91c3c ILT |
3943 | int bytemode ATTRIBUTE_UNUSED; |
3944 | int sizeflag ATTRIBUTE_UNUSED; | |
c608c12e | 3945 | { |
041bd2e0 JH |
3946 | int add = 0; |
3947 | USED_REX (REX_EXTX); | |
3948 | if (rex & REX_EXTX) | |
3949 | add = 8; | |
3950 | sprintf (scratchbuf, "%%xmm%d", reg + add); | |
d708bcba | 3951 | oappend (scratchbuf + intel_syntax); |
c608c12e AM |
3952 | } |
3953 | ||
252b5132 RH |
3954 | static void |
3955 | OP_EM (bytemode, sizeflag) | |
3956 | int bytemode; | |
3957 | int sizeflag; | |
3958 | { | |
041bd2e0 | 3959 | int add = 0; |
252b5132 RH |
3960 | if (mod != 3) |
3961 | { | |
3962 | OP_E (bytemode, sizeflag); | |
3963 | return; | |
3964 | } | |
041bd2e0 JH |
3965 | USED_REX (REX_EXTZ); |
3966 | if (rex & REX_EXTZ) | |
3967 | add = 8; | |
252b5132 | 3968 | |
6608db57 | 3969 | /* Skip mod/rm byte. */ |
4bba6815 | 3970 | MODRM_CHECK; |
252b5132 | 3971 | codep++; |
041bd2e0 JH |
3972 | used_prefixes |= (prefixes & PREFIX_DATA); |
3973 | if (prefixes & PREFIX_DATA) | |
3974 | sprintf (scratchbuf, "%%xmm%d", rm + add); | |
3975 | else | |
3976 | sprintf (scratchbuf, "%%mm%d", rm + add); | |
d708bcba | 3977 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
3978 | } |
3979 | ||
c608c12e AM |
3980 | static void |
3981 | OP_EX (bytemode, sizeflag) | |
3982 | int bytemode; | |
3983 | int sizeflag; | |
3984 | { | |
041bd2e0 | 3985 | int add = 0; |
c608c12e AM |
3986 | if (mod != 3) |
3987 | { | |
3988 | OP_E (bytemode, sizeflag); | |
3989 | return; | |
3990 | } | |
041bd2e0 JH |
3991 | USED_REX (REX_EXTZ); |
3992 | if (rex & REX_EXTZ) | |
3993 | add = 8; | |
c608c12e | 3994 | |
6608db57 | 3995 | /* Skip mod/rm byte. */ |
4bba6815 | 3996 | MODRM_CHECK; |
c608c12e | 3997 | codep++; |
041bd2e0 | 3998 | sprintf (scratchbuf, "%%xmm%d", rm + add); |
d708bcba | 3999 | oappend (scratchbuf + intel_syntax); |
c608c12e AM |
4000 | } |
4001 | ||
252b5132 | 4002 | static void |
2da11e11 AM |
4003 | OP_MS (bytemode, sizeflag) |
4004 | int bytemode; | |
252b5132 RH |
4005 | int sizeflag; |
4006 | { | |
2da11e11 AM |
4007 | if (mod == 3) |
4008 | OP_EM (bytemode, sizeflag); | |
4009 | else | |
6608db57 | 4010 | BadOp (); |
252b5132 RH |
4011 | } |
4012 | ||
992aaec9 AM |
4013 | static void |
4014 | OP_XS (bytemode, sizeflag) | |
4015 | int bytemode; | |
4016 | int sizeflag; | |
4017 | { | |
4018 | if (mod == 3) | |
4019 | OP_EX (bytemode, sizeflag); | |
4020 | else | |
6608db57 | 4021 | BadOp (); |
992aaec9 AM |
4022 | } |
4023 | ||
84037f8c | 4024 | static const char *const Suffix3DNow[] = { |
252b5132 RH |
4025 | /* 00 */ NULL, NULL, NULL, NULL, |
4026 | /* 04 */ NULL, NULL, NULL, NULL, | |
4027 | /* 08 */ NULL, NULL, NULL, NULL, | |
9e525108 | 4028 | /* 0C */ "pi2fw", "pi2fd", NULL, NULL, |
252b5132 RH |
4029 | /* 10 */ NULL, NULL, NULL, NULL, |
4030 | /* 14 */ NULL, NULL, NULL, NULL, | |
4031 | /* 18 */ NULL, NULL, NULL, NULL, | |
9e525108 | 4032 | /* 1C */ "pf2iw", "pf2id", NULL, NULL, |
252b5132 RH |
4033 | /* 20 */ NULL, NULL, NULL, NULL, |
4034 | /* 24 */ NULL, NULL, NULL, NULL, | |
4035 | /* 28 */ NULL, NULL, NULL, NULL, | |
4036 | /* 2C */ NULL, NULL, NULL, NULL, | |
4037 | /* 30 */ NULL, NULL, NULL, NULL, | |
4038 | /* 34 */ NULL, NULL, NULL, NULL, | |
4039 | /* 38 */ NULL, NULL, NULL, NULL, | |
4040 | /* 3C */ NULL, NULL, NULL, NULL, | |
4041 | /* 40 */ NULL, NULL, NULL, NULL, | |
4042 | /* 44 */ NULL, NULL, NULL, NULL, | |
4043 | /* 48 */ NULL, NULL, NULL, NULL, | |
4044 | /* 4C */ NULL, NULL, NULL, NULL, | |
4045 | /* 50 */ NULL, NULL, NULL, NULL, | |
4046 | /* 54 */ NULL, NULL, NULL, NULL, | |
4047 | /* 58 */ NULL, NULL, NULL, NULL, | |
4048 | /* 5C */ NULL, NULL, NULL, NULL, | |
4049 | /* 60 */ NULL, NULL, NULL, NULL, | |
4050 | /* 64 */ NULL, NULL, NULL, NULL, | |
4051 | /* 68 */ NULL, NULL, NULL, NULL, | |
4052 | /* 6C */ NULL, NULL, NULL, NULL, | |
4053 | /* 70 */ NULL, NULL, NULL, NULL, | |
4054 | /* 74 */ NULL, NULL, NULL, NULL, | |
4055 | /* 78 */ NULL, NULL, NULL, NULL, | |
4056 | /* 7C */ NULL, NULL, NULL, NULL, | |
4057 | /* 80 */ NULL, NULL, NULL, NULL, | |
4058 | /* 84 */ NULL, NULL, NULL, NULL, | |
9e525108 AM |
4059 | /* 88 */ NULL, NULL, "pfnacc", NULL, |
4060 | /* 8C */ NULL, NULL, "pfpnacc", NULL, | |
252b5132 RH |
4061 | /* 90 */ "pfcmpge", NULL, NULL, NULL, |
4062 | /* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt", | |
4063 | /* 98 */ NULL, NULL, "pfsub", NULL, | |
4064 | /* 9C */ NULL, NULL, "pfadd", NULL, | |
4065 | /* A0 */ "pfcmpgt", NULL, NULL, NULL, | |
4066 | /* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1", | |
4067 | /* A8 */ NULL, NULL, "pfsubr", NULL, | |
4068 | /* AC */ NULL, NULL, "pfacc", NULL, | |
4069 | /* B0 */ "pfcmpeq", NULL, NULL, NULL, | |
4070 | /* B4 */ "pfmul", NULL, "pfrcpit2", "pfmulhrw", | |
9e525108 | 4071 | /* B8 */ NULL, NULL, NULL, "pswapd", |
252b5132 RH |
4072 | /* BC */ NULL, NULL, NULL, "pavgusb", |
4073 | /* C0 */ NULL, NULL, NULL, NULL, | |
4074 | /* C4 */ NULL, NULL, NULL, NULL, | |
4075 | /* C8 */ NULL, NULL, NULL, NULL, | |
4076 | /* CC */ NULL, NULL, NULL, NULL, | |
4077 | /* D0 */ NULL, NULL, NULL, NULL, | |
4078 | /* D4 */ NULL, NULL, NULL, NULL, | |
4079 | /* D8 */ NULL, NULL, NULL, NULL, | |
4080 | /* DC */ NULL, NULL, NULL, NULL, | |
4081 | /* E0 */ NULL, NULL, NULL, NULL, | |
4082 | /* E4 */ NULL, NULL, NULL, NULL, | |
4083 | /* E8 */ NULL, NULL, NULL, NULL, | |
4084 | /* EC */ NULL, NULL, NULL, NULL, | |
4085 | /* F0 */ NULL, NULL, NULL, NULL, | |
4086 | /* F4 */ NULL, NULL, NULL, NULL, | |
4087 | /* F8 */ NULL, NULL, NULL, NULL, | |
4088 | /* FC */ NULL, NULL, NULL, NULL, | |
4089 | }; | |
4090 | ||
4091 | static void | |
4092 | OP_3DNowSuffix (bytemode, sizeflag) | |
57d91c3c ILT |
4093 | int bytemode ATTRIBUTE_UNUSED; |
4094 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 RH |
4095 | { |
4096 | const char *mnemonic; | |
4097 | ||
4098 | FETCH_DATA (the_info, codep + 1); | |
4099 | /* AMD 3DNow! instructions are specified by an opcode suffix in the | |
4100 | place where an 8-bit immediate would normally go. ie. the last | |
4101 | byte of the instruction. */ | |
6608db57 | 4102 | obufp = obuf + strlen (obuf); |
c608c12e | 4103 | mnemonic = Suffix3DNow[*codep++ & 0xff]; |
252b5132 | 4104 | if (mnemonic) |
2da11e11 | 4105 | oappend (mnemonic); |
252b5132 RH |
4106 | else |
4107 | { | |
4108 | /* Since a variable sized modrm/sib chunk is between the start | |
4109 | of the opcode (0x0f0f) and the opcode suffix, we need to do | |
4110 | all the modrm processing first, and don't know until now that | |
4111 | we have a bad opcode. This necessitates some cleaning up. */ | |
2da11e11 AM |
4112 | op1out[0] = '\0'; |
4113 | op2out[0] = '\0'; | |
6608db57 | 4114 | BadOp (); |
252b5132 RH |
4115 | } |
4116 | } | |
c608c12e | 4117 | |
6608db57 | 4118 | static const char *simd_cmp_op[] = { |
c608c12e AM |
4119 | "eq", |
4120 | "lt", | |
4121 | "le", | |
4122 | "unord", | |
4123 | "neq", | |
4124 | "nlt", | |
4125 | "nle", | |
4126 | "ord" | |
4127 | }; | |
4128 | ||
4129 | static void | |
4130 | OP_SIMD_Suffix (bytemode, sizeflag) | |
57d91c3c ILT |
4131 | int bytemode ATTRIBUTE_UNUSED; |
4132 | int sizeflag ATTRIBUTE_UNUSED; | |
c608c12e AM |
4133 | { |
4134 | unsigned int cmp_type; | |
4135 | ||
4136 | FETCH_DATA (the_info, codep + 1); | |
6608db57 | 4137 | obufp = obuf + strlen (obuf); |
c608c12e AM |
4138 | cmp_type = *codep++ & 0xff; |
4139 | if (cmp_type < 8) | |
4140 | { | |
041bd2e0 JH |
4141 | char suffix1 = 'p', suffix2 = 's'; |
4142 | used_prefixes |= (prefixes & PREFIX_REPZ); | |
4143 | if (prefixes & PREFIX_REPZ) | |
4144 | suffix1 = 's'; | |
4145 | else | |
4146 | { | |
4147 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4148 | if (prefixes & PREFIX_DATA) | |
4149 | suffix2 = 'd'; | |
4150 | else | |
4151 | { | |
4152 | used_prefixes |= (prefixes & PREFIX_REPNZ); | |
4153 | if (prefixes & PREFIX_REPNZ) | |
4154 | suffix1 = 's', suffix2 = 'd'; | |
4155 | } | |
4156 | } | |
4157 | sprintf (scratchbuf, "cmp%s%c%c", | |
4158 | simd_cmp_op[cmp_type], suffix1, suffix2); | |
7d421014 | 4159 | used_prefixes |= (prefixes & PREFIX_REPZ); |
2da11e11 | 4160 | oappend (scratchbuf); |
c608c12e AM |
4161 | } |
4162 | else | |
4163 | { | |
4164 | /* We have a bad extension byte. Clean up. */ | |
2da11e11 AM |
4165 | op1out[0] = '\0'; |
4166 | op2out[0] = '\0'; | |
6608db57 | 4167 | BadOp (); |
c608c12e AM |
4168 | } |
4169 | } | |
4170 | ||
4171 | static void | |
4172 | SIMD_Fixup (extrachar, sizeflag) | |
4173 | int extrachar; | |
57d91c3c | 4174 | int sizeflag ATTRIBUTE_UNUSED; |
c608c12e AM |
4175 | { |
4176 | /* Change movlps/movhps to movhlps/movlhps for 2 register operand | |
4177 | forms of these instructions. */ | |
4178 | if (mod == 3) | |
4179 | { | |
6608db57 KH |
4180 | char *p = obuf + strlen (obuf); |
4181 | *(p + 1) = '\0'; | |
4182 | *p = *(p - 1); | |
4183 | *(p - 1) = *(p - 2); | |
4184 | *(p - 2) = *(p - 3); | |
4185 | *(p - 3) = extrachar; | |
c608c12e AM |
4186 | } |
4187 | } | |
2da11e11 | 4188 | |
ca164297 L |
4189 | static void |
4190 | PNI_Fixup (extrachar, sizeflag) | |
4191 | int extrachar ATTRIBUTE_UNUSED; | |
4192 | int sizeflag ATTRIBUTE_UNUSED; | |
4193 | { | |
4194 | if (mod == 3 && reg == 1) | |
4195 | { | |
4196 | char *p = obuf + strlen (obuf); | |
4197 | ||
4198 | /* Override "sidt". */ | |
4199 | if (rm) | |
4200 | { | |
4201 | /* mwait %eax,%ecx */ | |
4202 | strcpy (p - 4, "mwait %eax,%ecx"); | |
4203 | } | |
4204 | else | |
4205 | { | |
4206 | /* monitor %eax,%ecx,%edx" */ | |
4207 | strcpy (p - 4, "monitor %eax,%ecx,%edx"); | |
4208 | } | |
4209 | ||
4210 | codep++; | |
4211 | } | |
4212 | else | |
4213 | OP_E (0, sizeflag); | |
4214 | } | |
4215 | ||
6608db57 KH |
4216 | static void |
4217 | BadOp (void) | |
2da11e11 | 4218 | { |
6608db57 KH |
4219 | /* Throw away prefixes and 1st. opcode byte. */ |
4220 | codep = insn_codep + 1; | |
2da11e11 AM |
4221 | oappend ("(bad)"); |
4222 | } |