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, |
0f10071e | 3 | 2001, 2002, 2003, 2004 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) |
0f10071e | 26 | * VIA PadLock support by Michal Ludvig (mludvig@suse.cz) |
252b5132 RH |
27 | */ |
28 | ||
29 | /* | |
30 | * The main tables describing the instructions is essentially a copy | |
31 | * of the "Opcode Map" chapter (Appendix A) of the Intel 80386 | |
32 | * Programmers Manual. Usually, there is a capital letter, followed | |
33 | * by a small letter. The capital letter tell the addressing mode, | |
34 | * and the small letter tells about the operand size. Refer to | |
35 | * the Intel manual for details. | |
36 | */ | |
37 | ||
38 | #include "dis-asm.h" | |
39 | #include "sysdep.h" | |
40 | #include "opintl.h" | |
41 | ||
42 | #define MAXLEN 20 | |
43 | ||
44 | #include <setjmp.h> | |
45 | ||
46 | #ifndef UNIXWARE_COMPAT | |
47 | /* Set non-zero for broken, compatible instructions. Set to zero for | |
48 | non-broken opcodes. */ | |
49 | #define UNIXWARE_COMPAT 1 | |
50 | #endif | |
51 | ||
26ca5450 AJ |
52 | static int fetch_data (struct disassemble_info *, bfd_byte *); |
53 | static void ckprefix (void); | |
54 | static const char *prefix_name (int, int); | |
55 | static int print_insn (bfd_vma, disassemble_info *); | |
56 | static void dofloat (int); | |
57 | static void OP_ST (int, int); | |
58 | static void OP_STi (int, int); | |
59 | static int putop (const char *, int); | |
60 | static void oappend (const char *); | |
61 | static void append_seg (void); | |
62 | static void OP_indirE (int, int); | |
63 | static void print_operand_value (char *, int, bfd_vma); | |
64 | static void OP_E (int, int); | |
65 | static void OP_G (int, int); | |
66 | static bfd_vma get64 (void); | |
67 | static bfd_signed_vma get32 (void); | |
68 | static bfd_signed_vma get32s (void); | |
69 | static int get16 (void); | |
70 | static void set_op (bfd_vma, int); | |
71 | static void OP_REG (int, int); | |
72 | static void OP_IMREG (int, int); | |
73 | static void OP_I (int, int); | |
74 | static void OP_I64 (int, int); | |
75 | static void OP_sI (int, int); | |
76 | static void OP_J (int, int); | |
77 | static void OP_SEG (int, int); | |
78 | static void OP_DIR (int, int); | |
79 | static void OP_OFF (int, int); | |
80 | static void OP_OFF64 (int, int); | |
81 | static void ptr_reg (int, int); | |
82 | static void OP_ESreg (int, int); | |
83 | static void OP_DSreg (int, int); | |
84 | static void OP_C (int, int); | |
85 | static void OP_D (int, int); | |
86 | static void OP_T (int, int); | |
87 | static void OP_Rd (int, int); | |
88 | static void OP_MMX (int, int); | |
89 | static void OP_XMM (int, int); | |
90 | static void OP_EM (int, int); | |
91 | static void OP_EX (int, int); | |
92 | static void OP_MS (int, int); | |
93 | static void OP_XS (int, int); | |
cc0ec051 AM |
94 | static void OP_M (int, int); |
95 | static void OP_0fae (int, int); | |
96 | static void OP_0f07 (int, int); | |
97 | static void NOP_Fixup (int, int); | |
26ca5450 AJ |
98 | static void OP_3DNowSuffix (int, int); |
99 | static void OP_SIMD_Suffix (int, int); | |
100 | static void SIMD_Fixup (int, int); | |
101 | static void PNI_Fixup (int, int); | |
4fd61dcb | 102 | static void INVLPG_Fixup (int, int); |
26ca5450 | 103 | static void BadOp (void); |
252b5132 | 104 | |
6608db57 | 105 | struct dis_private { |
252b5132 RH |
106 | /* Points to first byte not fetched. */ |
107 | bfd_byte *max_fetched; | |
108 | bfd_byte the_buffer[MAXLEN]; | |
109 | bfd_vma insn_start; | |
e396998b | 110 | int orig_sizeflag; |
252b5132 RH |
111 | jmp_buf bailout; |
112 | }; | |
113 | ||
5076851f ILT |
114 | /* The opcode for the fwait instruction, which we treat as a prefix |
115 | when we can. */ | |
116 | #define FWAIT_OPCODE (0x9b) | |
117 | ||
52b15da3 JH |
118 | /* Set to 1 for 64bit mode disassembly. */ |
119 | static int mode_64bit; | |
120 | ||
5076851f ILT |
121 | /* Flags for the prefixes for the current instruction. See below. */ |
122 | static int prefixes; | |
123 | ||
52b15da3 JH |
124 | /* REX prefix the current instruction. See below. */ |
125 | static int rex; | |
126 | /* Bits of REX we've already used. */ | |
127 | static int rex_used; | |
128 | #define REX_MODE64 8 | |
129 | #define REX_EXTX 4 | |
130 | #define REX_EXTY 2 | |
131 | #define REX_EXTZ 1 | |
132 | /* Mark parts used in the REX prefix. When we are testing for | |
133 | empty prefix (for 8bit register REX extension), just mask it | |
134 | out. Otherwise test for REX bit is excuse for existence of REX | |
135 | only in case value is nonzero. */ | |
136 | #define USED_REX(value) \ | |
137 | { \ | |
138 | if (value) \ | |
139 | rex_used |= (rex & value) ? (value) | 0x40 : 0; \ | |
140 | else \ | |
141 | rex_used |= 0x40; \ | |
142 | } | |
143 | ||
7d421014 ILT |
144 | /* Flags for prefixes which we somehow handled when printing the |
145 | current instruction. */ | |
146 | static int used_prefixes; | |
147 | ||
5076851f ILT |
148 | /* Flags stored in PREFIXES. */ |
149 | #define PREFIX_REPZ 1 | |
150 | #define PREFIX_REPNZ 2 | |
151 | #define PREFIX_LOCK 4 | |
152 | #define PREFIX_CS 8 | |
153 | #define PREFIX_SS 0x10 | |
154 | #define PREFIX_DS 0x20 | |
155 | #define PREFIX_ES 0x40 | |
156 | #define PREFIX_FS 0x80 | |
157 | #define PREFIX_GS 0x100 | |
158 | #define PREFIX_DATA 0x200 | |
159 | #define PREFIX_ADDR 0x400 | |
160 | #define PREFIX_FWAIT 0x800 | |
161 | ||
252b5132 RH |
162 | /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive) |
163 | to ADDR (exclusive) are valid. Returns 1 for success, longjmps | |
164 | on error. */ | |
165 | #define FETCH_DATA(info, addr) \ | |
6608db57 | 166 | ((addr) <= ((struct dis_private *) (info->private_data))->max_fetched \ |
252b5132 RH |
167 | ? 1 : fetch_data ((info), (addr))) |
168 | ||
169 | static int | |
26ca5450 | 170 | fetch_data (struct disassemble_info *info, bfd_byte *addr) |
252b5132 RH |
171 | { |
172 | int status; | |
6608db57 | 173 | struct dis_private *priv = (struct dis_private *) info->private_data; |
252b5132 RH |
174 | bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer); |
175 | ||
176 | status = (*info->read_memory_func) (start, | |
177 | priv->max_fetched, | |
178 | addr - priv->max_fetched, | |
179 | info); | |
180 | if (status != 0) | |
181 | { | |
7d421014 | 182 | /* If we did manage to read at least one byte, then |
db6eb5be AM |
183 | print_insn_i386 will do something sensible. Otherwise, print |
184 | an error. We do that here because this is where we know | |
185 | STATUS. */ | |
7d421014 | 186 | if (priv->max_fetched == priv->the_buffer) |
5076851f | 187 | (*info->memory_error_func) (status, start, info); |
252b5132 RH |
188 | longjmp (priv->bailout, 1); |
189 | } | |
190 | else | |
191 | priv->max_fetched = addr; | |
192 | return 1; | |
193 | } | |
194 | ||
57d91c3c ILT |
195 | #define XX NULL, 0 |
196 | ||
252b5132 | 197 | #define Eb OP_E, b_mode |
52b15da3 JH |
198 | #define Ev OP_E, v_mode |
199 | #define Ed OP_E, d_mode | |
db6eb5be | 200 | #define Edq OP_E, dq_mode |
252b5132 | 201 | #define indirEb OP_indirE, b_mode |
252b5132 RH |
202 | #define indirEv OP_indirE, v_mode |
203 | #define Ew OP_E, w_mode | |
204 | #define Ma OP_E, v_mode | |
cc0ec051 AM |
205 | #define M OP_M, 0 /* lea, lgdt, etc. */ |
206 | #define Mp OP_M, 0 /* 32 or 48 bit memory operand for LDS, LES etc */ | |
992aaec9 | 207 | #define Gb OP_G, b_mode |
252b5132 | 208 | #define Gv OP_G, v_mode |
992aaec9 | 209 | #define Gd OP_G, d_mode |
252b5132 | 210 | #define Gw OP_G, w_mode |
2da11e11 | 211 | #define Rd OP_Rd, d_mode |
52b15da3 | 212 | #define Rm OP_Rd, m_mode |
252b5132 RH |
213 | #define Ib OP_I, b_mode |
214 | #define sIb OP_sI, b_mode /* sign extened byte */ | |
215 | #define Iv OP_I, v_mode | |
52b15da3 JH |
216 | #define Iq OP_I, q_mode |
217 | #define Iv64 OP_I64, v_mode | |
252b5132 RH |
218 | #define Iw OP_I, w_mode |
219 | #define Jb OP_J, b_mode | |
220 | #define Jv OP_J, v_mode | |
52b15da3 JH |
221 | #define Cm OP_C, m_mode |
222 | #define Dm OP_D, m_mode | |
252b5132 RH |
223 | #define Td OP_T, d_mode |
224 | ||
52b15da3 JH |
225 | #define RMeAX OP_REG, eAX_reg |
226 | #define RMeBX OP_REG, eBX_reg | |
227 | #define RMeCX OP_REG, eCX_reg | |
228 | #define RMeDX OP_REG, eDX_reg | |
229 | #define RMeSP OP_REG, eSP_reg | |
230 | #define RMeBP OP_REG, eBP_reg | |
231 | #define RMeSI OP_REG, eSI_reg | |
232 | #define RMeDI OP_REG, eDI_reg | |
233 | #define RMrAX OP_REG, rAX_reg | |
234 | #define RMrBX OP_REG, rBX_reg | |
235 | #define RMrCX OP_REG, rCX_reg | |
236 | #define RMrDX OP_REG, rDX_reg | |
237 | #define RMrSP OP_REG, rSP_reg | |
238 | #define RMrBP OP_REG, rBP_reg | |
239 | #define RMrSI OP_REG, rSI_reg | |
240 | #define RMrDI OP_REG, rDI_reg | |
241 | #define RMAL OP_REG, al_reg | |
242 | #define RMAL OP_REG, al_reg | |
243 | #define RMCL OP_REG, cl_reg | |
244 | #define RMDL OP_REG, dl_reg | |
245 | #define RMBL OP_REG, bl_reg | |
246 | #define RMAH OP_REG, ah_reg | |
247 | #define RMCH OP_REG, ch_reg | |
248 | #define RMDH OP_REG, dh_reg | |
249 | #define RMBH OP_REG, bh_reg | |
250 | #define RMAX OP_REG, ax_reg | |
251 | #define RMDX OP_REG, dx_reg | |
252 | ||
253 | #define eAX OP_IMREG, eAX_reg | |
254 | #define eBX OP_IMREG, eBX_reg | |
255 | #define eCX OP_IMREG, eCX_reg | |
256 | #define eDX OP_IMREG, eDX_reg | |
257 | #define eSP OP_IMREG, eSP_reg | |
258 | #define eBP OP_IMREG, eBP_reg | |
259 | #define eSI OP_IMREG, eSI_reg | |
260 | #define eDI OP_IMREG, eDI_reg | |
261 | #define AL OP_IMREG, al_reg | |
262 | #define AL OP_IMREG, al_reg | |
263 | #define CL OP_IMREG, cl_reg | |
264 | #define DL OP_IMREG, dl_reg | |
265 | #define BL OP_IMREG, bl_reg | |
266 | #define AH OP_IMREG, ah_reg | |
267 | #define CH OP_IMREG, ch_reg | |
268 | #define DH OP_IMREG, dh_reg | |
269 | #define BH OP_IMREG, bh_reg | |
270 | #define AX OP_IMREG, ax_reg | |
271 | #define DX OP_IMREG, dx_reg | |
272 | #define indirDX OP_IMREG, indir_dx_reg | |
252b5132 RH |
273 | |
274 | #define Sw OP_SEG, w_mode | |
c608c12e | 275 | #define Ap OP_DIR, 0 |
252b5132 | 276 | #define Ob OP_OFF, b_mode |
52b15da3 | 277 | #define Ob64 OP_OFF64, b_mode |
252b5132 | 278 | #define Ov OP_OFF, v_mode |
52b15da3 | 279 | #define Ov64 OP_OFF64, v_mode |
252b5132 RH |
280 | #define Xb OP_DSreg, eSI_reg |
281 | #define Xv OP_DSreg, eSI_reg | |
282 | #define Yb OP_ESreg, eDI_reg | |
283 | #define Yv OP_ESreg, eDI_reg | |
284 | #define DSBX OP_DSreg, eBX_reg | |
285 | ||
286 | #define es OP_REG, es_reg | |
287 | #define ss OP_REG, ss_reg | |
288 | #define cs OP_REG, cs_reg | |
289 | #define ds OP_REG, ds_reg | |
290 | #define fs OP_REG, fs_reg | |
291 | #define gs OP_REG, gs_reg | |
292 | ||
293 | #define MX OP_MMX, 0 | |
c608c12e | 294 | #define XM OP_XMM, 0 |
252b5132 | 295 | #define EM OP_EM, v_mode |
c608c12e | 296 | #define EX OP_EX, v_mode |
2da11e11 | 297 | #define MS OP_MS, v_mode |
992aaec9 | 298 | #define XS OP_XS, v_mode |
252b5132 | 299 | #define OPSUF OP_3DNowSuffix, 0 |
c608c12e | 300 | #define OPSIMD OP_SIMD_Suffix, 0 |
252b5132 | 301 | |
3ffd33cf AM |
302 | #define cond_jump_flag NULL, cond_jump_mode |
303 | #define loop_jcxz_flag NULL, loop_jcxz_mode | |
304 | ||
252b5132 | 305 | /* bits in sizeflag */ |
252b5132 | 306 | #define SUFFIX_ALWAYS 4 |
252b5132 RH |
307 | #define AFLAG 2 |
308 | #define DFLAG 1 | |
309 | ||
52b15da3 JH |
310 | #define b_mode 1 /* byte operand */ |
311 | #define v_mode 2 /* operand size depends on prefixes */ | |
312 | #define w_mode 3 /* word operand */ | |
313 | #define d_mode 4 /* double word operand */ | |
314 | #define q_mode 5 /* quad word operand */ | |
315 | #define x_mode 6 | |
316 | #define m_mode 7 /* d_mode in 32bit, q_mode in 64bit mode. */ | |
3ffd33cf AM |
317 | #define cond_jump_mode 8 |
318 | #define loop_jcxz_mode 9 | |
db6eb5be | 319 | #define dq_mode 10 /* operand size depends on REX prefixes. */ |
252b5132 RH |
320 | |
321 | #define es_reg 100 | |
322 | #define cs_reg 101 | |
323 | #define ss_reg 102 | |
324 | #define ds_reg 103 | |
325 | #define fs_reg 104 | |
326 | #define gs_reg 105 | |
252b5132 | 327 | |
c608c12e AM |
328 | #define eAX_reg 108 |
329 | #define eCX_reg 109 | |
330 | #define eDX_reg 110 | |
331 | #define eBX_reg 111 | |
332 | #define eSP_reg 112 | |
333 | #define eBP_reg 113 | |
334 | #define eSI_reg 114 | |
335 | #define eDI_reg 115 | |
252b5132 RH |
336 | |
337 | #define al_reg 116 | |
338 | #define cl_reg 117 | |
339 | #define dl_reg 118 | |
340 | #define bl_reg 119 | |
341 | #define ah_reg 120 | |
342 | #define ch_reg 121 | |
343 | #define dh_reg 122 | |
344 | #define bh_reg 123 | |
345 | ||
346 | #define ax_reg 124 | |
347 | #define cx_reg 125 | |
348 | #define dx_reg 126 | |
349 | #define bx_reg 127 | |
350 | #define sp_reg 128 | |
351 | #define bp_reg 129 | |
352 | #define si_reg 130 | |
353 | #define di_reg 131 | |
354 | ||
52b15da3 JH |
355 | #define rAX_reg 132 |
356 | #define rCX_reg 133 | |
357 | #define rDX_reg 134 | |
358 | #define rBX_reg 135 | |
359 | #define rSP_reg 136 | |
360 | #define rBP_reg 137 | |
361 | #define rSI_reg 138 | |
362 | #define rDI_reg 139 | |
363 | ||
252b5132 RH |
364 | #define indir_dx_reg 150 |
365 | ||
6439fc28 AM |
366 | #define FLOATCODE 1 |
367 | #define USE_GROUPS 2 | |
368 | #define USE_PREFIX_USER_TABLE 3 | |
369 | #define X86_64_SPECIAL 4 | |
370 | ||
371 | #define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0 | |
372 | ||
373 | #define GRP1b NULL, NULL, USE_GROUPS, NULL, 0, NULL, 0 | |
374 | #define GRP1S NULL, NULL, USE_GROUPS, NULL, 1, NULL, 0 | |
375 | #define GRP1Ss NULL, NULL, USE_GROUPS, NULL, 2, NULL, 0 | |
376 | #define GRP2b NULL, NULL, USE_GROUPS, NULL, 3, NULL, 0 | |
377 | #define GRP2S NULL, NULL, USE_GROUPS, NULL, 4, NULL, 0 | |
378 | #define GRP2b_one NULL, NULL, USE_GROUPS, NULL, 5, NULL, 0 | |
379 | #define GRP2S_one NULL, NULL, USE_GROUPS, NULL, 6, NULL, 0 | |
380 | #define GRP2b_cl NULL, NULL, USE_GROUPS, NULL, 7, NULL, 0 | |
381 | #define GRP2S_cl NULL, NULL, USE_GROUPS, NULL, 8, NULL, 0 | |
382 | #define GRP3b NULL, NULL, USE_GROUPS, NULL, 9, NULL, 0 | |
383 | #define GRP3S NULL, NULL, USE_GROUPS, NULL, 10, NULL, 0 | |
384 | #define GRP4 NULL, NULL, USE_GROUPS, NULL, 11, NULL, 0 | |
385 | #define GRP5 NULL, NULL, USE_GROUPS, NULL, 12, NULL, 0 | |
386 | #define GRP6 NULL, NULL, USE_GROUPS, NULL, 13, NULL, 0 | |
387 | #define GRP7 NULL, NULL, USE_GROUPS, NULL, 14, NULL, 0 | |
388 | #define GRP8 NULL, NULL, USE_GROUPS, NULL, 15, NULL, 0 | |
389 | #define GRP9 NULL, NULL, USE_GROUPS, NULL, 16, NULL, 0 | |
390 | #define GRP10 NULL, NULL, USE_GROUPS, NULL, 17, NULL, 0 | |
391 | #define GRP11 NULL, NULL, USE_GROUPS, NULL, 18, NULL, 0 | |
392 | #define GRP12 NULL, NULL, USE_GROUPS, NULL, 19, NULL, 0 | |
393 | #define GRP13 NULL, NULL, USE_GROUPS, NULL, 20, NULL, 0 | |
394 | #define GRP14 NULL, NULL, USE_GROUPS, NULL, 21, NULL, 0 | |
395 | #define GRPAMD NULL, NULL, USE_GROUPS, NULL, 22, NULL, 0 | |
7ffdda93 | 396 | #define GRPPADLCK NULL, NULL, USE_GROUPS, NULL, 23, NULL, 0 |
6439fc28 AM |
397 | |
398 | #define PREGRP0 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 0, NULL, 0 | |
399 | #define PREGRP1 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 1, NULL, 0 | |
400 | #define PREGRP2 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 2, NULL, 0 | |
401 | #define PREGRP3 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 3, NULL, 0 | |
402 | #define PREGRP4 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 4, NULL, 0 | |
403 | #define PREGRP5 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 5, NULL, 0 | |
404 | #define PREGRP6 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 6, NULL, 0 | |
405 | #define PREGRP7 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 7, NULL, 0 | |
406 | #define PREGRP8 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 8, NULL, 0 | |
407 | #define PREGRP9 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 9, NULL, 0 | |
408 | #define PREGRP10 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 10, NULL, 0 | |
409 | #define PREGRP11 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 11, NULL, 0 | |
410 | #define PREGRP12 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 12, NULL, 0 | |
411 | #define PREGRP13 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 13, NULL, 0 | |
412 | #define PREGRP14 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 14, NULL, 0 | |
413 | #define PREGRP15 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 15, NULL, 0 | |
414 | #define PREGRP16 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 16, NULL, 0 | |
415 | #define PREGRP17 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 17, NULL, 0 | |
416 | #define PREGRP18 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 18, NULL, 0 | |
417 | #define PREGRP19 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 19, NULL, 0 | |
418 | #define PREGRP20 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 20, NULL, 0 | |
419 | #define PREGRP21 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 21, NULL, 0 | |
420 | #define PREGRP22 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 22, NULL, 0 | |
421 | #define PREGRP23 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 23, NULL, 0 | |
422 | #define PREGRP24 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 24, NULL, 0 | |
423 | #define PREGRP25 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 25, NULL, 0 | |
424 | #define PREGRP26 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 26, NULL, 0 | |
ca164297 L |
425 | #define PREGRP27 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 27, NULL, 0 |
426 | #define PREGRP28 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 28, NULL, 0 | |
427 | #define PREGRP29 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 29, NULL, 0 | |
428 | #define PREGRP30 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 30, NULL, 0 | |
429 | #define PREGRP31 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 31, NULL, 0 | |
430 | #define PREGRP32 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 32, NULL, 0 | |
6439fc28 AM |
431 | |
432 | #define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0 | |
433 | ||
26ca5450 | 434 | typedef void (*op_rtn) (int bytemode, int sizeflag); |
252b5132 RH |
435 | |
436 | struct dis386 { | |
2da11e11 | 437 | const char *name; |
252b5132 RH |
438 | op_rtn op1; |
439 | int bytemode1; | |
440 | op_rtn op2; | |
441 | int bytemode2; | |
442 | op_rtn op3; | |
443 | int bytemode3; | |
444 | }; | |
445 | ||
446 | /* Upper case letters in the instruction names here are macros. | |
447 | 'A' => print 'b' if no register operands or suffix_always is true | |
448 | 'B' => print 'b' if suffix_always is true | |
449 | 'E' => print 'e' if 32-bit form of jcxz | |
3ffd33cf | 450 | 'F' => print 'w' or 'l' depending on address size prefix (loop insns) |
5dd0794d | 451 | 'H' => print ",pt" or ",pn" branch hint |
252b5132 RH |
452 | 'L' => print 'l' if suffix_always is true |
453 | 'N' => print 'n' if instruction has no wait "prefix" | |
52b15da3 JH |
454 | 'O' => print 'd', or 'o' |
455 | 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix, | |
e396998b AM |
456 | . or suffix_always is true. print 'q' if rex prefix is present. |
457 | 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always | |
458 | . is true | |
52b15da3 JH |
459 | 'R' => print 'w', 'l' or 'q' ("wd" or "dq" in intel mode) |
460 | 'S' => print 'w', 'l' or 'q' if suffix_always is true | |
6439fc28 AM |
461 | 'T' => print 'q' in 64bit mode and behave as 'P' otherwise |
462 | 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise | |
041bd2e0 | 463 | 'X' => print 's', 'd' depending on data16 prefix (for XMM) |
10084519 | 464 | 'W' => print 'b' or 'w' ("w" or "de" in intel mode) |
76f227a5 | 465 | 'Y' => 'q' if instruction has an REX 64bit overwrite prefix |
52b15da3 | 466 | |
6439fc28 AM |
467 | Many of the above letters print nothing in Intel mode. See "putop" |
468 | for the details. | |
52b15da3 | 469 | |
6439fc28 AM |
470 | Braces '{' and '}', and vertical bars '|', indicate alternative |
471 | mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel | |
472 | modes. In cases where there are only two alternatives, the X86_64 | |
473 | instruction is reserved, and "(bad)" is printed. | |
474 | */ | |
252b5132 | 475 | |
6439fc28 | 476 | static const struct dis386 dis386[] = { |
252b5132 | 477 | /* 00 */ |
6439fc28 AM |
478 | { "addB", Eb, Gb, XX }, |
479 | { "addS", Ev, Gv, XX }, | |
480 | { "addB", Gb, Eb, XX }, | |
481 | { "addS", Gv, Ev, XX }, | |
482 | { "addB", AL, Ib, XX }, | |
483 | { "addS", eAX, Iv, XX }, | |
484 | { "push{T|}", es, XX, XX }, | |
485 | { "pop{T|}", es, XX, XX }, | |
252b5132 | 486 | /* 08 */ |
6439fc28 AM |
487 | { "orB", Eb, Gb, XX }, |
488 | { "orS", Ev, Gv, XX }, | |
489 | { "orB", Gb, Eb, XX }, | |
490 | { "orS", Gv, Ev, XX }, | |
491 | { "orB", AL, Ib, XX }, | |
492 | { "orS", eAX, Iv, XX }, | |
493 | { "push{T|}", cs, XX, XX }, | |
494 | { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */ | |
252b5132 | 495 | /* 10 */ |
6439fc28 AM |
496 | { "adcB", Eb, Gb, XX }, |
497 | { "adcS", Ev, Gv, XX }, | |
498 | { "adcB", Gb, Eb, XX }, | |
499 | { "adcS", Gv, Ev, XX }, | |
500 | { "adcB", AL, Ib, XX }, | |
501 | { "adcS", eAX, Iv, XX }, | |
502 | { "push{T|}", ss, XX, XX }, | |
503 | { "popT|}", ss, XX, XX }, | |
252b5132 | 504 | /* 18 */ |
6439fc28 AM |
505 | { "sbbB", Eb, Gb, XX }, |
506 | { "sbbS", Ev, Gv, XX }, | |
507 | { "sbbB", Gb, Eb, XX }, | |
508 | { "sbbS", Gv, Ev, XX }, | |
509 | { "sbbB", AL, Ib, XX }, | |
510 | { "sbbS", eAX, Iv, XX }, | |
511 | { "push{T|}", ds, XX, XX }, | |
512 | { "pop{T|}", ds, XX, XX }, | |
252b5132 | 513 | /* 20 */ |
6439fc28 AM |
514 | { "andB", Eb, Gb, XX }, |
515 | { "andS", Ev, Gv, XX }, | |
516 | { "andB", Gb, Eb, XX }, | |
517 | { "andS", Gv, Ev, XX }, | |
518 | { "andB", AL, Ib, XX }, | |
519 | { "andS", eAX, Iv, XX }, | |
520 | { "(bad)", XX, XX, XX }, /* SEG ES prefix */ | |
521 | { "daa{|}", XX, XX, XX }, | |
252b5132 | 522 | /* 28 */ |
6439fc28 AM |
523 | { "subB", Eb, Gb, XX }, |
524 | { "subS", Ev, Gv, XX }, | |
525 | { "subB", Gb, Eb, XX }, | |
526 | { "subS", Gv, Ev, XX }, | |
527 | { "subB", AL, Ib, XX }, | |
528 | { "subS", eAX, Iv, XX }, | |
529 | { "(bad)", XX, XX, XX }, /* SEG CS prefix */ | |
530 | { "das{|}", XX, XX, XX }, | |
252b5132 | 531 | /* 30 */ |
6439fc28 AM |
532 | { "xorB", Eb, Gb, XX }, |
533 | { "xorS", Ev, Gv, XX }, | |
534 | { "xorB", Gb, Eb, XX }, | |
535 | { "xorS", Gv, Ev, XX }, | |
536 | { "xorB", AL, Ib, XX }, | |
537 | { "xorS", eAX, Iv, XX }, | |
538 | { "(bad)", XX, XX, XX }, /* SEG SS prefix */ | |
539 | { "aaa{|}", XX, XX, XX }, | |
252b5132 | 540 | /* 38 */ |
6439fc28 AM |
541 | { "cmpB", Eb, Gb, XX }, |
542 | { "cmpS", Ev, Gv, XX }, | |
543 | { "cmpB", Gb, Eb, XX }, | |
544 | { "cmpS", Gv, Ev, XX }, | |
545 | { "cmpB", AL, Ib, XX }, | |
546 | { "cmpS", eAX, Iv, XX }, | |
547 | { "(bad)", XX, XX, XX }, /* SEG DS prefix */ | |
548 | { "aas{|}", XX, XX, XX }, | |
252b5132 | 549 | /* 40 */ |
6439fc28 AM |
550 | { "inc{S|}", RMeAX, XX, XX }, |
551 | { "inc{S|}", RMeCX, XX, XX }, | |
552 | { "inc{S|}", RMeDX, XX, XX }, | |
553 | { "inc{S|}", RMeBX, XX, XX }, | |
554 | { "inc{S|}", RMeSP, XX, XX }, | |
555 | { "inc{S|}", RMeBP, XX, XX }, | |
556 | { "inc{S|}", RMeSI, XX, XX }, | |
557 | { "inc{S|}", RMeDI, XX, XX }, | |
252b5132 | 558 | /* 48 */ |
6439fc28 AM |
559 | { "dec{S|}", RMeAX, XX, XX }, |
560 | { "dec{S|}", RMeCX, XX, XX }, | |
561 | { "dec{S|}", RMeDX, XX, XX }, | |
562 | { "dec{S|}", RMeBX, XX, XX }, | |
563 | { "dec{S|}", RMeSP, XX, XX }, | |
564 | { "dec{S|}", RMeBP, XX, XX }, | |
565 | { "dec{S|}", RMeSI, XX, XX }, | |
566 | { "dec{S|}", RMeDI, XX, XX }, | |
252b5132 | 567 | /* 50 */ |
6439fc28 AM |
568 | { "pushS", RMrAX, XX, XX }, |
569 | { "pushS", RMrCX, XX, XX }, | |
570 | { "pushS", RMrDX, XX, XX }, | |
571 | { "pushS", RMrBX, XX, XX }, | |
572 | { "pushS", RMrSP, XX, XX }, | |
573 | { "pushS", RMrBP, XX, XX }, | |
574 | { "pushS", RMrSI, XX, XX }, | |
575 | { "pushS", RMrDI, XX, XX }, | |
252b5132 | 576 | /* 58 */ |
6439fc28 AM |
577 | { "popS", RMrAX, XX, XX }, |
578 | { "popS", RMrCX, XX, XX }, | |
579 | { "popS", RMrDX, XX, XX }, | |
580 | { "popS", RMrBX, XX, XX }, | |
581 | { "popS", RMrSP, XX, XX }, | |
582 | { "popS", RMrBP, XX, XX }, | |
583 | { "popS", RMrSI, XX, XX }, | |
584 | { "popS", RMrDI, XX, XX }, | |
252b5132 | 585 | /* 60 */ |
6439fc28 AM |
586 | { "pusha{P|}", XX, XX, XX }, |
587 | { "popa{P|}", XX, XX, XX }, | |
588 | { "bound{S|}", Gv, Ma, XX }, | |
589 | { X86_64_0 }, | |
590 | { "(bad)", XX, XX, XX }, /* seg fs */ | |
591 | { "(bad)", XX, XX, XX }, /* seg gs */ | |
592 | { "(bad)", XX, XX, XX }, /* op size prefix */ | |
593 | { "(bad)", XX, XX, XX }, /* adr size prefix */ | |
252b5132 | 594 | /* 68 */ |
6439fc28 AM |
595 | { "pushT", Iq, XX, XX }, |
596 | { "imulS", Gv, Ev, Iv }, | |
597 | { "pushT", sIb, XX, XX }, | |
598 | { "imulS", Gv, Ev, sIb }, | |
599 | { "ins{b||b|}", Yb, indirDX, XX }, | |
600 | { "ins{R||R|}", Yv, indirDX, XX }, | |
601 | { "outs{b||b|}", indirDX, Xb, XX }, | |
602 | { "outs{R||R|}", indirDX, Xv, XX }, | |
252b5132 | 603 | /* 70 */ |
6439fc28 AM |
604 | { "joH", Jb, XX, cond_jump_flag }, |
605 | { "jnoH", Jb, XX, cond_jump_flag }, | |
606 | { "jbH", Jb, XX, cond_jump_flag }, | |
607 | { "jaeH", Jb, XX, cond_jump_flag }, | |
608 | { "jeH", Jb, XX, cond_jump_flag }, | |
609 | { "jneH", Jb, XX, cond_jump_flag }, | |
610 | { "jbeH", Jb, XX, cond_jump_flag }, | |
611 | { "jaH", Jb, XX, cond_jump_flag }, | |
252b5132 | 612 | /* 78 */ |
6439fc28 AM |
613 | { "jsH", Jb, XX, cond_jump_flag }, |
614 | { "jnsH", Jb, XX, cond_jump_flag }, | |
615 | { "jpH", Jb, XX, cond_jump_flag }, | |
616 | { "jnpH", Jb, XX, cond_jump_flag }, | |
617 | { "jlH", Jb, XX, cond_jump_flag }, | |
618 | { "jgeH", Jb, XX, cond_jump_flag }, | |
619 | { "jleH", Jb, XX, cond_jump_flag }, | |
620 | { "jgH", Jb, XX, cond_jump_flag }, | |
252b5132 RH |
621 | /* 80 */ |
622 | { GRP1b }, | |
623 | { GRP1S }, | |
6439fc28 | 624 | { "(bad)", XX, XX, XX }, |
252b5132 | 625 | { GRP1Ss }, |
6439fc28 AM |
626 | { "testB", Eb, Gb, XX }, |
627 | { "testS", Ev, Gv, XX }, | |
628 | { "xchgB", Eb, Gb, XX }, | |
629 | { "xchgS", Ev, Gv, XX }, | |
252b5132 | 630 | /* 88 */ |
6439fc28 AM |
631 | { "movB", Eb, Gb, XX }, |
632 | { "movS", Ev, Gv, XX }, | |
633 | { "movB", Gb, Eb, XX }, | |
634 | { "movS", Gv, Ev, XX }, | |
635 | { "movQ", Ev, Sw, XX }, | |
636 | { "leaS", Gv, M, XX }, | |
637 | { "movQ", Sw, Ev, XX }, | |
638 | { "popU", Ev, XX, XX }, | |
252b5132 | 639 | /* 90 */ |
cc0ec051 | 640 | { "nop", NOP_Fixup, 0, XX, XX }, |
6439fc28 AM |
641 | { "xchgS", RMeCX, eAX, XX }, |
642 | { "xchgS", RMeDX, eAX, XX }, | |
643 | { "xchgS", RMeBX, eAX, XX }, | |
644 | { "xchgS", RMeSP, eAX, XX }, | |
645 | { "xchgS", RMeBP, eAX, XX }, | |
646 | { "xchgS", RMeSI, eAX, XX }, | |
647 | { "xchgS", RMeDI, eAX, XX }, | |
252b5132 | 648 | /* 98 */ |
6439fc28 AM |
649 | { "cW{tR||tR|}", XX, XX, XX }, |
650 | { "cR{tO||tO|}", XX, XX, XX }, | |
651 | { "lcall{T|}", Ap, XX, XX }, | |
652 | { "(bad)", XX, XX, XX }, /* fwait */ | |
653 | { "pushfT", XX, XX, XX }, | |
654 | { "popfT", XX, XX, XX }, | |
655 | { "sahf{|}", XX, XX, XX }, | |
656 | { "lahf{|}", XX, XX, XX }, | |
252b5132 | 657 | /* a0 */ |
6439fc28 AM |
658 | { "movB", AL, Ob64, XX }, |
659 | { "movS", eAX, Ov64, XX }, | |
660 | { "movB", Ob64, AL, XX }, | |
661 | { "movS", Ov64, eAX, XX }, | |
662 | { "movs{b||b|}", Yb, Xb, XX }, | |
663 | { "movs{R||R|}", Yv, Xv, XX }, | |
664 | { "cmps{b||b|}", Xb, Yb, XX }, | |
665 | { "cmps{R||R|}", Xv, Yv, XX }, | |
252b5132 | 666 | /* a8 */ |
6439fc28 AM |
667 | { "testB", AL, Ib, XX }, |
668 | { "testS", eAX, Iv, XX }, | |
669 | { "stosB", Yb, AL, XX }, | |
670 | { "stosS", Yv, eAX, XX }, | |
671 | { "lodsB", AL, Xb, XX }, | |
672 | { "lodsS", eAX, Xv, XX }, | |
673 | { "scasB", AL, Yb, XX }, | |
674 | { "scasS", eAX, Yv, XX }, | |
252b5132 | 675 | /* b0 */ |
6439fc28 AM |
676 | { "movB", RMAL, Ib, XX }, |
677 | { "movB", RMCL, Ib, XX }, | |
678 | { "movB", RMDL, Ib, XX }, | |
679 | { "movB", RMBL, Ib, XX }, | |
680 | { "movB", RMAH, Ib, XX }, | |
681 | { "movB", RMCH, Ib, XX }, | |
682 | { "movB", RMDH, Ib, XX }, | |
683 | { "movB", RMBH, Ib, XX }, | |
252b5132 | 684 | /* b8 */ |
6439fc28 AM |
685 | { "movS", RMeAX, Iv64, XX }, |
686 | { "movS", RMeCX, Iv64, XX }, | |
687 | { "movS", RMeDX, Iv64, XX }, | |
688 | { "movS", RMeBX, Iv64, XX }, | |
689 | { "movS", RMeSP, Iv64, XX }, | |
690 | { "movS", RMeBP, Iv64, XX }, | |
691 | { "movS", RMeSI, Iv64, XX }, | |
692 | { "movS", RMeDI, Iv64, XX }, | |
252b5132 RH |
693 | /* c0 */ |
694 | { GRP2b }, | |
695 | { GRP2S }, | |
6439fc28 AM |
696 | { "retT", Iw, XX, XX }, |
697 | { "retT", XX, XX, XX }, | |
698 | { "les{S|}", Gv, Mp, XX }, | |
699 | { "ldsS", Gv, Mp, XX }, | |
700 | { "movA", Eb, Ib, XX }, | |
701 | { "movQ", Ev, Iv, XX }, | |
252b5132 | 702 | /* c8 */ |
6439fc28 AM |
703 | { "enterT", Iw, Ib, XX }, |
704 | { "leaveT", XX, XX, XX }, | |
705 | { "lretP", Iw, XX, XX }, | |
706 | { "lretP", XX, XX, XX }, | |
707 | { "int3", XX, XX, XX }, | |
708 | { "int", Ib, XX, XX }, | |
709 | { "into{|}", XX, XX, XX }, | |
710 | { "iretP", XX, XX, XX }, | |
252b5132 RH |
711 | /* d0 */ |
712 | { GRP2b_one }, | |
713 | { GRP2S_one }, | |
714 | { GRP2b_cl }, | |
715 | { GRP2S_cl }, | |
6439fc28 AM |
716 | { "aam{|}", sIb, XX, XX }, |
717 | { "aad{|}", sIb, XX, XX }, | |
718 | { "(bad)", XX, XX, XX }, | |
719 | { "xlat", DSBX, XX, XX }, | |
252b5132 RH |
720 | /* d8 */ |
721 | { FLOAT }, | |
722 | { FLOAT }, | |
723 | { FLOAT }, | |
724 | { FLOAT }, | |
725 | { FLOAT }, | |
726 | { FLOAT }, | |
727 | { FLOAT }, | |
728 | { FLOAT }, | |
729 | /* e0 */ | |
6439fc28 AM |
730 | { "loopneFH", Jb, XX, loop_jcxz_flag }, |
731 | { "loopeFH", Jb, XX, loop_jcxz_flag }, | |
732 | { "loopFH", Jb, XX, loop_jcxz_flag }, | |
733 | { "jEcxzH", Jb, XX, loop_jcxz_flag }, | |
734 | { "inB", AL, Ib, XX }, | |
735 | { "inS", eAX, Ib, XX }, | |
736 | { "outB", Ib, AL, XX }, | |
737 | { "outS", Ib, eAX, XX }, | |
252b5132 | 738 | /* e8 */ |
6439fc28 AM |
739 | { "callT", Jv, XX, XX }, |
740 | { "jmpT", Jv, XX, XX }, | |
741 | { "ljmp{T|}", Ap, XX, XX }, | |
742 | { "jmp", Jb, XX, XX }, | |
743 | { "inB", AL, indirDX, XX }, | |
744 | { "inS", eAX, indirDX, XX }, | |
745 | { "outB", indirDX, AL, XX }, | |
746 | { "outS", indirDX, eAX, XX }, | |
252b5132 | 747 | /* f0 */ |
6439fc28 | 748 | { "(bad)", XX, XX, XX }, /* lock prefix */ |
067186e4 | 749 | { "icebp", XX, XX, XX }, |
6439fc28 AM |
750 | { "(bad)", XX, XX, XX }, /* repne */ |
751 | { "(bad)", XX, XX, XX }, /* repz */ | |
752 | { "hlt", XX, XX, XX }, | |
753 | { "cmc", XX, XX, XX }, | |
252b5132 RH |
754 | { GRP3b }, |
755 | { GRP3S }, | |
756 | /* f8 */ | |
6439fc28 AM |
757 | { "clc", XX, XX, XX }, |
758 | { "stc", XX, XX, XX }, | |
759 | { "cli", XX, XX, XX }, | |
760 | { "sti", XX, XX, XX }, | |
761 | { "cld", XX, XX, XX }, | |
762 | { "std", XX, XX, XX }, | |
252b5132 RH |
763 | { GRP4 }, |
764 | { GRP5 }, | |
765 | }; | |
766 | ||
6439fc28 | 767 | static const struct dis386 dis386_twobyte[] = { |
252b5132 RH |
768 | /* 00 */ |
769 | { GRP6 }, | |
770 | { GRP7 }, | |
6439fc28 AM |
771 | { "larS", Gv, Ew, XX }, |
772 | { "lslS", Gv, Ew, XX }, | |
773 | { "(bad)", XX, XX, XX }, | |
774 | { "syscall", XX, XX, XX }, | |
775 | { "clts", XX, XX, XX }, | |
776 | { "sysretP", XX, XX, XX }, | |
252b5132 | 777 | /* 08 */ |
6439fc28 AM |
778 | { "invd", XX, XX, XX }, |
779 | { "wbinvd", XX, XX, XX }, | |
780 | { "(bad)", XX, XX, XX }, | |
781 | { "ud2a", XX, XX, XX }, | |
782 | { "(bad)", XX, XX, XX }, | |
c608c12e | 783 | { GRPAMD }, |
6439fc28 | 784 | { "femms", XX, XX, XX }, |
6608db57 | 785 | { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix. */ |
252b5132 | 786 | /* 10 */ |
c608c12e AM |
787 | { PREGRP8 }, |
788 | { PREGRP9 }, | |
ca164297 | 789 | { PREGRP30 }, |
6439fc28 AM |
790 | { "movlpX", EX, XM, SIMD_Fixup, 'h' }, |
791 | { "unpcklpX", XM, EX, XX }, | |
792 | { "unpckhpX", XM, EX, XX }, | |
ca164297 | 793 | { PREGRP31 }, |
6439fc28 | 794 | { "movhpX", EX, XM, SIMD_Fixup, 'l' }, |
252b5132 | 795 | /* 18 */ |
c608c12e | 796 | { GRP14 }, |
6439fc28 AM |
797 | { "(bad)", XX, XX, XX }, |
798 | { "(bad)", XX, XX, XX }, | |
799 | { "(bad)", XX, XX, XX }, | |
800 | { "(bad)", XX, XX, XX }, | |
801 | { "(bad)", XX, XX, XX }, | |
802 | { "(bad)", XX, XX, XX }, | |
803 | { "(bad)", XX, XX, XX }, | |
252b5132 | 804 | /* 20 */ |
6439fc28 AM |
805 | { "movL", Rm, Cm, XX }, |
806 | { "movL", Rm, Dm, XX }, | |
807 | { "movL", Cm, Rm, XX }, | |
808 | { "movL", Dm, Rm, XX }, | |
809 | { "movL", Rd, Td, XX }, | |
810 | { "(bad)", XX, XX, XX }, | |
811 | { "movL", Td, Rd, XX }, | |
812 | { "(bad)", XX, XX, XX }, | |
252b5132 | 813 | /* 28 */ |
6439fc28 AM |
814 | { "movapX", XM, EX, XX }, |
815 | { "movapX", EX, XM, XX }, | |
c608c12e | 816 | { PREGRP2 }, |
6439fc28 | 817 | { "movntpX", Ev, XM, XX }, |
2da11e11 | 818 | { PREGRP4 }, |
c608c12e | 819 | { PREGRP3 }, |
6439fc28 AM |
820 | { "ucomisX", XM,EX, XX }, |
821 | { "comisX", XM,EX, XX }, | |
252b5132 | 822 | /* 30 */ |
6439fc28 AM |
823 | { "wrmsr", XX, XX, XX }, |
824 | { "rdtsc", XX, XX, XX }, | |
825 | { "rdmsr", XX, XX, XX }, | |
826 | { "rdpmc", XX, XX, XX }, | |
827 | { "sysenter", XX, XX, XX }, | |
828 | { "sysexit", XX, XX, XX }, | |
829 | { "(bad)", XX, XX, XX }, | |
830 | { "(bad)", XX, XX, XX }, | |
252b5132 | 831 | /* 38 */ |
6439fc28 AM |
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 }, | |
837 | { "(bad)", XX, XX, XX }, | |
838 | { "(bad)", XX, XX, XX }, | |
839 | { "(bad)", XX, XX, XX }, | |
252b5132 | 840 | /* 40 */ |
6439fc28 AM |
841 | { "cmovo", Gv, Ev, XX }, |
842 | { "cmovno", Gv, Ev, XX }, | |
843 | { "cmovb", Gv, Ev, XX }, | |
844 | { "cmovae", Gv, Ev, XX }, | |
845 | { "cmove", Gv, Ev, XX }, | |
846 | { "cmovne", Gv, Ev, XX }, | |
847 | { "cmovbe", Gv, Ev, XX }, | |
848 | { "cmova", Gv, Ev, XX }, | |
252b5132 | 849 | /* 48 */ |
6439fc28 AM |
850 | { "cmovs", Gv, Ev, XX }, |
851 | { "cmovns", Gv, Ev, XX }, | |
852 | { "cmovp", Gv, Ev, XX }, | |
853 | { "cmovnp", Gv, Ev, XX }, | |
854 | { "cmovl", Gv, Ev, XX }, | |
855 | { "cmovge", Gv, Ev, XX }, | |
856 | { "cmovle", Gv, Ev, XX }, | |
857 | { "cmovg", Gv, Ev, XX }, | |
252b5132 | 858 | /* 50 */ |
6439fc28 | 859 | { "movmskpX", Gd, XS, XX }, |
c608c12e AM |
860 | { PREGRP13 }, |
861 | { PREGRP12 }, | |
862 | { PREGRP11 }, | |
6439fc28 AM |
863 | { "andpX", XM, EX, XX }, |
864 | { "andnpX", XM, EX, XX }, | |
865 | { "orpX", XM, EX, XX }, | |
866 | { "xorpX", XM, EX, XX }, | |
252b5132 | 867 | /* 58 */ |
c608c12e AM |
868 | { PREGRP0 }, |
869 | { PREGRP10 }, | |
041bd2e0 JH |
870 | { PREGRP17 }, |
871 | { PREGRP16 }, | |
c608c12e AM |
872 | { PREGRP14 }, |
873 | { PREGRP7 }, | |
874 | { PREGRP5 }, | |
2da11e11 | 875 | { PREGRP6 }, |
252b5132 | 876 | /* 60 */ |
6439fc28 AM |
877 | { "punpcklbw", MX, EM, XX }, |
878 | { "punpcklwd", MX, EM, XX }, | |
879 | { "punpckldq", MX, EM, XX }, | |
880 | { "packsswb", MX, EM, XX }, | |
881 | { "pcmpgtb", MX, EM, XX }, | |
882 | { "pcmpgtw", MX, EM, XX }, | |
883 | { "pcmpgtd", MX, EM, XX }, | |
884 | { "packuswb", MX, EM, XX }, | |
252b5132 | 885 | /* 68 */ |
6439fc28 AM |
886 | { "punpckhbw", MX, EM, XX }, |
887 | { "punpckhwd", MX, EM, XX }, | |
888 | { "punpckhdq", MX, EM, XX }, | |
889 | { "packssdw", MX, EM, XX }, | |
0f17484f | 890 | { PREGRP26 }, |
041bd2e0 | 891 | { PREGRP24 }, |
db6eb5be | 892 | { "movd", MX, Edq, XX }, |
041bd2e0 | 893 | { PREGRP19 }, |
252b5132 | 894 | /* 70 */ |
041bd2e0 | 895 | { PREGRP22 }, |
252b5132 RH |
896 | { GRP10 }, |
897 | { GRP11 }, | |
898 | { GRP12 }, | |
6439fc28 AM |
899 | { "pcmpeqb", MX, EM, XX }, |
900 | { "pcmpeqw", MX, EM, XX }, | |
901 | { "pcmpeqd", MX, EM, XX }, | |
902 | { "emms", XX, XX, XX }, | |
252b5132 | 903 | /* 78 */ |
6439fc28 AM |
904 | { "(bad)", XX, XX, XX }, |
905 | { "(bad)", XX, XX, XX }, | |
906 | { "(bad)", XX, XX, XX }, | |
907 | { "(bad)", XX, XX, XX }, | |
ca164297 L |
908 | { PREGRP28 }, |
909 | { PREGRP29 }, | |
041bd2e0 JH |
910 | { PREGRP23 }, |
911 | { PREGRP20 }, | |
252b5132 | 912 | /* 80 */ |
6439fc28 AM |
913 | { "joH", Jv, XX, cond_jump_flag }, |
914 | { "jnoH", Jv, XX, cond_jump_flag }, | |
915 | { "jbH", Jv, XX, cond_jump_flag }, | |
916 | { "jaeH", Jv, XX, cond_jump_flag }, | |
917 | { "jeH", Jv, XX, cond_jump_flag }, | |
918 | { "jneH", Jv, XX, cond_jump_flag }, | |
919 | { "jbeH", Jv, XX, cond_jump_flag }, | |
920 | { "jaH", Jv, XX, cond_jump_flag }, | |
252b5132 | 921 | /* 88 */ |
6439fc28 AM |
922 | { "jsH", Jv, XX, cond_jump_flag }, |
923 | { "jnsH", Jv, XX, cond_jump_flag }, | |
924 | { "jpH", Jv, XX, cond_jump_flag }, | |
925 | { "jnpH", Jv, XX, cond_jump_flag }, | |
926 | { "jlH", Jv, XX, cond_jump_flag }, | |
927 | { "jgeH", Jv, XX, cond_jump_flag }, | |
928 | { "jleH", Jv, XX, cond_jump_flag }, | |
929 | { "jgH", Jv, XX, cond_jump_flag }, | |
252b5132 | 930 | /* 90 */ |
6439fc28 AM |
931 | { "seto", Eb, XX, XX }, |
932 | { "setno", Eb, XX, XX }, | |
933 | { "setb", Eb, XX, XX }, | |
934 | { "setae", Eb, XX, XX }, | |
935 | { "sete", Eb, XX, XX }, | |
936 | { "setne", Eb, XX, XX }, | |
937 | { "setbe", Eb, XX, XX }, | |
938 | { "seta", Eb, XX, XX }, | |
252b5132 | 939 | /* 98 */ |
6439fc28 AM |
940 | { "sets", Eb, XX, XX }, |
941 | { "setns", Eb, XX, XX }, | |
942 | { "setp", Eb, XX, XX }, | |
943 | { "setnp", Eb, XX, XX }, | |
944 | { "setl", Eb, XX, XX }, | |
945 | { "setge", Eb, XX, XX }, | |
946 | { "setle", Eb, XX, XX }, | |
947 | { "setg", Eb, XX, XX }, | |
252b5132 | 948 | /* a0 */ |
6439fc28 AM |
949 | { "pushT", fs, XX, XX }, |
950 | { "popT", fs, XX, XX }, | |
951 | { "cpuid", XX, XX, XX }, | |
952 | { "btS", Ev, Gv, XX }, | |
953 | { "shldS", Ev, Gv, Ib }, | |
954 | { "shldS", Ev, Gv, CL }, | |
955 | { "(bad)", XX, XX, XX }, | |
cc0ec051 | 956 | { GRPPADLCK }, |
252b5132 | 957 | /* a8 */ |
6439fc28 AM |
958 | { "pushT", gs, XX, XX }, |
959 | { "popT", gs, XX, XX }, | |
960 | { "rsm", XX, XX, XX }, | |
961 | { "btsS", Ev, Gv, XX }, | |
962 | { "shrdS", Ev, Gv, Ib }, | |
963 | { "shrdS", Ev, Gv, CL }, | |
252b5132 | 964 | { GRP13 }, |
6439fc28 | 965 | { "imulS", Gv, Ev, XX }, |
252b5132 | 966 | /* b0 */ |
6439fc28 AM |
967 | { "cmpxchgB", Eb, Gb, XX }, |
968 | { "cmpxchgS", Ev, Gv, XX }, | |
969 | { "lssS", Gv, Mp, XX }, | |
970 | { "btrS", Ev, Gv, XX }, | |
971 | { "lfsS", Gv, Mp, XX }, | |
972 | { "lgsS", Gv, Mp, XX }, | |
973 | { "movz{bR|x|bR|x}", Gv, Eb, XX }, | |
974 | { "movz{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movzww ! */ | |
252b5132 | 975 | /* b8 */ |
6439fc28 AM |
976 | { "(bad)", XX, XX, XX }, |
977 | { "ud2b", XX, XX, XX }, | |
252b5132 | 978 | { GRP8 }, |
6439fc28 AM |
979 | { "btcS", Ev, Gv, XX }, |
980 | { "bsfS", Gv, Ev, XX }, | |
981 | { "bsrS", Gv, Ev, XX }, | |
982 | { "movs{bR|x|bR|x}", Gv, Eb, XX }, | |
983 | { "movs{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movsww ! */ | |
252b5132 | 984 | /* c0 */ |
6439fc28 AM |
985 | { "xaddB", Eb, Gb, XX }, |
986 | { "xaddS", Ev, Gv, XX }, | |
c608c12e | 987 | { PREGRP1 }, |
6439fc28 AM |
988 | { "movntiS", Ev, Gv, XX }, |
989 | { "pinsrw", MX, Ed, Ib }, | |
990 | { "pextrw", Gd, MS, Ib }, | |
991 | { "shufpX", XM, EX, Ib }, | |
252b5132 RH |
992 | { GRP9 }, |
993 | /* c8 */ | |
6439fc28 AM |
994 | { "bswap", RMeAX, XX, XX }, |
995 | { "bswap", RMeCX, XX, XX }, | |
996 | { "bswap", RMeDX, XX, XX }, | |
997 | { "bswap", RMeBX, XX, XX }, | |
998 | { "bswap", RMeSP, XX, XX }, | |
999 | { "bswap", RMeBP, XX, XX }, | |
1000 | { "bswap", RMeSI, XX, XX }, | |
1001 | { "bswap", RMeDI, XX, XX }, | |
252b5132 | 1002 | /* d0 */ |
ca164297 | 1003 | { PREGRP27 }, |
6439fc28 AM |
1004 | { "psrlw", MX, EM, XX }, |
1005 | { "psrld", MX, EM, XX }, | |
1006 | { "psrlq", MX, EM, XX }, | |
1007 | { "paddq", MX, EM, XX }, | |
1008 | { "pmullw", MX, EM, XX }, | |
041bd2e0 | 1009 | { PREGRP21 }, |
6439fc28 | 1010 | { "pmovmskb", Gd, MS, XX }, |
252b5132 | 1011 | /* d8 */ |
6439fc28 AM |
1012 | { "psubusb", MX, EM, XX }, |
1013 | { "psubusw", MX, EM, XX }, | |
1014 | { "pminub", MX, EM, XX }, | |
1015 | { "pand", MX, EM, XX }, | |
1016 | { "paddusb", MX, EM, XX }, | |
1017 | { "paddusw", MX, EM, XX }, | |
1018 | { "pmaxub", MX, EM, XX }, | |
1019 | { "pandn", MX, EM, XX }, | |
252b5132 | 1020 | /* e0 */ |
6439fc28 AM |
1021 | { "pavgb", MX, EM, XX }, |
1022 | { "psraw", MX, EM, XX }, | |
1023 | { "psrad", MX, EM, XX }, | |
1024 | { "pavgw", MX, EM, XX }, | |
1025 | { "pmulhuw", MX, EM, XX }, | |
1026 | { "pmulhw", MX, EM, XX }, | |
041bd2e0 | 1027 | { PREGRP15 }, |
0f17484f | 1028 | { PREGRP25 }, |
252b5132 | 1029 | /* e8 */ |
6439fc28 AM |
1030 | { "psubsb", MX, EM, XX }, |
1031 | { "psubsw", MX, EM, XX }, | |
1032 | { "pminsw", MX, EM, XX }, | |
1033 | { "por", MX, EM, XX }, | |
1034 | { "paddsb", MX, EM, XX }, | |
1035 | { "paddsw", MX, EM, XX }, | |
1036 | { "pmaxsw", MX, EM, XX }, | |
1037 | { "pxor", MX, EM, XX }, | |
252b5132 | 1038 | /* f0 */ |
ca164297 | 1039 | { PREGRP32 }, |
6439fc28 AM |
1040 | { "psllw", MX, EM, XX }, |
1041 | { "pslld", MX, EM, XX }, | |
1042 | { "psllq", MX, EM, XX }, | |
1043 | { "pmuludq", MX, EM, XX }, | |
1044 | { "pmaddwd", MX, EM, XX }, | |
1045 | { "psadbw", MX, EM, XX }, | |
041bd2e0 | 1046 | { PREGRP18 }, |
252b5132 | 1047 | /* f8 */ |
6439fc28 AM |
1048 | { "psubb", MX, EM, XX }, |
1049 | { "psubw", MX, EM, XX }, | |
1050 | { "psubd", MX, EM, XX }, | |
1051 | { "psubq", MX, EM, XX }, | |
1052 | { "paddb", MX, EM, XX }, | |
1053 | { "paddw", MX, EM, XX }, | |
1054 | { "paddd", MX, EM, XX }, | |
1055 | { "(bad)", XX, XX, XX } | |
252b5132 RH |
1056 | }; |
1057 | ||
1058 | static const unsigned char onebyte_has_modrm[256] = { | |
c608c12e AM |
1059 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
1060 | /* ------------------------------- */ | |
1061 | /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */ | |
1062 | /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */ | |
1063 | /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */ | |
1064 | /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */ | |
1065 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */ | |
1066 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */ | |
1067 | /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */ | |
1068 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */ | |
1069 | /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ | |
1070 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */ | |
1071 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */ | |
1072 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */ | |
1073 | /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */ | |
1074 | /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */ | |
1075 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */ | |
1076 | /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */ | |
1077 | /* ------------------------------- */ | |
1078 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
252b5132 RH |
1079 | }; |
1080 | ||
1081 | static const unsigned char twobyte_has_modrm[256] = { | |
c608c12e AM |
1082 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
1083 | /* ------------------------------- */ | |
252b5132 | 1084 | /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */ |
c608c12e | 1085 | /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */ |
4bba6815 | 1086 | /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */ |
252b5132 RH |
1087 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ |
1088 | /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ | |
4bba6815 AM |
1089 | /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */ |
1090 | /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */ | |
ca164297 | 1091 | /* 70 */ 1,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1, /* 7f */ |
252b5132 RH |
1092 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ |
1093 | /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */ | |
cc0ec051 | 1094 | /* a0 */ 0,0,0,1,1,1,0,1,0,0,0,1,1,1,1,1, /* af */ |
252b5132 RH |
1095 | /* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */ |
1096 | /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */ | |
ca164297 | 1097 | /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */ |
4bba6815 | 1098 | /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */ |
ca164297 | 1099 | /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */ |
c608c12e AM |
1100 | /* ------------------------------- */ |
1101 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1102 | }; | |
1103 | ||
041bd2e0 | 1104 | static const unsigned char twobyte_uses_SSE_prefix[256] = { |
c608c12e AM |
1105 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
1106 | /* ------------------------------- */ | |
1107 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
ca164297 | 1108 | /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */ |
c608c12e AM |
1109 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */ |
1110 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1111 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
041bd2e0 JH |
1112 | /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */ |
1113 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */ | |
ca164297 | 1114 | /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1, /* 7f */ |
c608c12e AM |
1115 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ |
1116 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1117 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1118 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1119 | /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
ca164297 | 1120 | /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ |
041bd2e0 | 1121 | /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ |
ca164297 | 1122 | /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */ |
c608c12e AM |
1123 | /* ------------------------------- */ |
1124 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
252b5132 RH |
1125 | }; |
1126 | ||
1127 | static char obuf[100]; | |
1128 | static char *obufp; | |
1129 | static char scratchbuf[100]; | |
1130 | static unsigned char *start_codep; | |
1131 | static unsigned char *insn_codep; | |
1132 | static unsigned char *codep; | |
1133 | static disassemble_info *the_info; | |
1134 | static int mod; | |
1135 | static int rm; | |
1136 | static int reg; | |
4bba6815 | 1137 | static unsigned char need_modrm; |
252b5132 | 1138 | |
4bba6815 AM |
1139 | /* If we are accessing mod/rm/reg without need_modrm set, then the |
1140 | values are stale. Hitting this abort likely indicates that you | |
1141 | need to update onebyte_has_modrm or twobyte_has_modrm. */ | |
1142 | #define MODRM_CHECK if (!need_modrm) abort () | |
1143 | ||
d708bcba AM |
1144 | static const char **names64; |
1145 | static const char **names32; | |
1146 | static const char **names16; | |
1147 | static const char **names8; | |
1148 | static const char **names8rex; | |
1149 | static const char **names_seg; | |
1150 | static const char **index16; | |
1151 | ||
1152 | static const char *intel_names64[] = { | |
1153 | "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", | |
1154 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
1155 | }; | |
1156 | static const char *intel_names32[] = { | |
1157 | "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", | |
1158 | "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" | |
1159 | }; | |
1160 | static const char *intel_names16[] = { | |
1161 | "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", | |
1162 | "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w" | |
1163 | }; | |
1164 | static const char *intel_names8[] = { | |
1165 | "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh", | |
1166 | }; | |
1167 | static const char *intel_names8rex[] = { | |
1168 | "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil", | |
1169 | "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b" | |
1170 | }; | |
1171 | static const char *intel_names_seg[] = { | |
1172 | "es", "cs", "ss", "ds", "fs", "gs", "?", "?", | |
1173 | }; | |
1174 | static const char *intel_index16[] = { | |
1175 | "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx" | |
1176 | }; | |
1177 | ||
1178 | static const char *att_names64[] = { | |
1179 | "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", | |
52b15da3 JH |
1180 | "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" |
1181 | }; | |
d708bcba AM |
1182 | static const char *att_names32[] = { |
1183 | "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", | |
52b15da3 | 1184 | "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" |
252b5132 | 1185 | }; |
d708bcba AM |
1186 | static const char *att_names16[] = { |
1187 | "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", | |
52b15da3 | 1188 | "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" |
252b5132 | 1189 | }; |
d708bcba AM |
1190 | static const char *att_names8[] = { |
1191 | "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", | |
252b5132 | 1192 | }; |
d708bcba AM |
1193 | static const char *att_names8rex[] = { |
1194 | "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", | |
52b15da3 JH |
1195 | "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" |
1196 | }; | |
d708bcba AM |
1197 | static const char *att_names_seg[] = { |
1198 | "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?", | |
252b5132 | 1199 | }; |
d708bcba AM |
1200 | static const char *att_index16[] = { |
1201 | "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx" | |
252b5132 RH |
1202 | }; |
1203 | ||
2da11e11 | 1204 | static const struct dis386 grps[][8] = { |
252b5132 RH |
1205 | /* GRP1b */ |
1206 | { | |
57d91c3c ILT |
1207 | { "addA", Eb, Ib, XX }, |
1208 | { "orA", Eb, Ib, XX }, | |
1209 | { "adcA", Eb, Ib, XX }, | |
1210 | { "sbbA", Eb, Ib, XX }, | |
1211 | { "andA", Eb, Ib, XX }, | |
1212 | { "subA", Eb, Ib, XX }, | |
1213 | { "xorA", Eb, Ib, XX }, | |
1214 | { "cmpA", Eb, Ib, XX } | |
252b5132 RH |
1215 | }, |
1216 | /* GRP1S */ | |
1217 | { | |
57d91c3c ILT |
1218 | { "addQ", Ev, Iv, XX }, |
1219 | { "orQ", Ev, Iv, XX }, | |
1220 | { "adcQ", Ev, Iv, XX }, | |
1221 | { "sbbQ", Ev, Iv, XX }, | |
1222 | { "andQ", Ev, Iv, XX }, | |
1223 | { "subQ", Ev, Iv, XX }, | |
1224 | { "xorQ", Ev, Iv, XX }, | |
1225 | { "cmpQ", Ev, Iv, XX } | |
252b5132 RH |
1226 | }, |
1227 | /* GRP1Ss */ | |
1228 | { | |
57d91c3c ILT |
1229 | { "addQ", Ev, sIb, XX }, |
1230 | { "orQ", Ev, sIb, XX }, | |
1231 | { "adcQ", Ev, sIb, XX }, | |
1232 | { "sbbQ", Ev, sIb, XX }, | |
1233 | { "andQ", Ev, sIb, XX }, | |
1234 | { "subQ", Ev, sIb, XX }, | |
1235 | { "xorQ", Ev, sIb, XX }, | |
1236 | { "cmpQ", Ev, sIb, XX } | |
252b5132 RH |
1237 | }, |
1238 | /* GRP2b */ | |
1239 | { | |
57d91c3c ILT |
1240 | { "rolA", Eb, Ib, XX }, |
1241 | { "rorA", Eb, Ib, XX }, | |
1242 | { "rclA", Eb, Ib, XX }, | |
1243 | { "rcrA", Eb, Ib, XX }, | |
1244 | { "shlA", Eb, Ib, XX }, | |
1245 | { "shrA", Eb, Ib, XX }, | |
1246 | { "(bad)", XX, XX, XX }, | |
1247 | { "sarA", Eb, Ib, XX }, | |
252b5132 RH |
1248 | }, |
1249 | /* GRP2S */ | |
1250 | { | |
57d91c3c ILT |
1251 | { "rolQ", Ev, Ib, XX }, |
1252 | { "rorQ", Ev, Ib, XX }, | |
1253 | { "rclQ", Ev, Ib, XX }, | |
1254 | { "rcrQ", Ev, Ib, XX }, | |
1255 | { "shlQ", Ev, Ib, XX }, | |
1256 | { "shrQ", Ev, Ib, XX }, | |
1257 | { "(bad)", XX, XX, XX }, | |
1258 | { "sarQ", Ev, Ib, XX }, | |
252b5132 RH |
1259 | }, |
1260 | /* GRP2b_one */ | |
1261 | { | |
57d91c3c ILT |
1262 | { "rolA", Eb, XX, XX }, |
1263 | { "rorA", Eb, XX, XX }, | |
1264 | { "rclA", Eb, XX, XX }, | |
1265 | { "rcrA", Eb, XX, XX }, | |
1266 | { "shlA", Eb, XX, XX }, | |
1267 | { "shrA", Eb, XX, XX }, | |
1268 | { "(bad)", XX, XX, XX }, | |
1269 | { "sarA", Eb, XX, XX }, | |
252b5132 RH |
1270 | }, |
1271 | /* GRP2S_one */ | |
1272 | { | |
57d91c3c ILT |
1273 | { "rolQ", Ev, XX, XX }, |
1274 | { "rorQ", Ev, XX, XX }, | |
1275 | { "rclQ", Ev, XX, XX }, | |
1276 | { "rcrQ", Ev, XX, XX }, | |
1277 | { "shlQ", Ev, XX, XX }, | |
1278 | { "shrQ", Ev, XX, XX }, | |
1279 | { "(bad)", XX, XX, XX}, | |
1280 | { "sarQ", Ev, XX, XX }, | |
252b5132 RH |
1281 | }, |
1282 | /* GRP2b_cl */ | |
1283 | { | |
57d91c3c ILT |
1284 | { "rolA", Eb, CL, XX }, |
1285 | { "rorA", Eb, CL, XX }, | |
1286 | { "rclA", Eb, CL, XX }, | |
1287 | { "rcrA", Eb, CL, XX }, | |
1288 | { "shlA", Eb, CL, XX }, | |
1289 | { "shrA", Eb, CL, XX }, | |
1290 | { "(bad)", XX, XX, XX }, | |
1291 | { "sarA", Eb, CL, XX }, | |
252b5132 RH |
1292 | }, |
1293 | /* GRP2S_cl */ | |
1294 | { | |
57d91c3c ILT |
1295 | { "rolQ", Ev, CL, XX }, |
1296 | { "rorQ", Ev, CL, XX }, | |
1297 | { "rclQ", Ev, CL, XX }, | |
1298 | { "rcrQ", Ev, CL, XX }, | |
1299 | { "shlQ", Ev, CL, XX }, | |
1300 | { "shrQ", Ev, CL, XX }, | |
1301 | { "(bad)", XX, XX, XX }, | |
1302 | { "sarQ", Ev, CL, XX } | |
252b5132 RH |
1303 | }, |
1304 | /* GRP3b */ | |
1305 | { | |
57d91c3c ILT |
1306 | { "testA", Eb, Ib, XX }, |
1307 | { "(bad)", Eb, XX, XX }, | |
1308 | { "notA", Eb, XX, XX }, | |
1309 | { "negA", Eb, XX, XX }, | |
8227b51f AM |
1310 | { "mulA", Eb, XX, XX }, /* Don't print the implicit %al register, */ |
1311 | { "imulA", Eb, XX, XX }, /* to distinguish these opcodes from other */ | |
1312 | { "divA", Eb, XX, XX }, /* mul/imul opcodes. Do the same for div */ | |
1313 | { "idivA", Eb, XX, XX } /* and idiv for consistency. */ | |
252b5132 RH |
1314 | }, |
1315 | /* GRP3S */ | |
1316 | { | |
57d91c3c ILT |
1317 | { "testQ", Ev, Iv, XX }, |
1318 | { "(bad)", XX, XX, XX }, | |
1319 | { "notQ", Ev, XX, XX }, | |
1320 | { "negQ", Ev, XX, XX }, | |
8227b51f AM |
1321 | { "mulQ", Ev, XX, XX }, /* Don't print the implicit register. */ |
1322 | { "imulQ", Ev, XX, XX }, | |
1323 | { "divQ", Ev, XX, XX }, | |
1324 | { "idivQ", Ev, XX, XX }, | |
252b5132 RH |
1325 | }, |
1326 | /* GRP4 */ | |
1327 | { | |
57d91c3c ILT |
1328 | { "incA", Eb, XX, XX }, |
1329 | { "decA", Eb, XX, XX }, | |
1330 | { "(bad)", XX, XX, XX }, | |
1331 | { "(bad)", XX, XX, XX }, | |
1332 | { "(bad)", XX, XX, XX }, | |
1333 | { "(bad)", XX, XX, XX }, | |
1334 | { "(bad)", XX, XX, XX }, | |
1335 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1336 | }, |
1337 | /* GRP5 */ | |
1338 | { | |
57d91c3c ILT |
1339 | { "incQ", Ev, XX, XX }, |
1340 | { "decQ", Ev, XX, XX }, | |
6439fc28 AM |
1341 | { "callT", indirEv, XX, XX }, |
1342 | { "lcallT", indirEv, XX, XX }, | |
1343 | { "jmpT", indirEv, XX, XX }, | |
1344 | { "ljmpT", indirEv, XX, XX }, | |
1345 | { "pushU", Ev, XX, XX }, | |
57d91c3c | 1346 | { "(bad)", XX, XX, XX }, |
252b5132 RH |
1347 | }, |
1348 | /* GRP6 */ | |
1349 | { | |
e5470cdc AM |
1350 | { "sldtQ", Ev, XX, XX }, |
1351 | { "strQ", Ev, XX, XX }, | |
57d91c3c ILT |
1352 | { "lldt", Ew, XX, XX }, |
1353 | { "ltr", Ew, XX, XX }, | |
1354 | { "verr", Ew, XX, XX }, | |
1355 | { "verw", Ew, XX, XX }, | |
1356 | { "(bad)", XX, XX, XX }, | |
1357 | { "(bad)", XX, XX, XX } | |
252b5132 RH |
1358 | }, |
1359 | /* GRP7 */ | |
1360 | { | |
bcb5558b | 1361 | { "sgdtQ", M, XX, XX }, |
ca164297 | 1362 | { "sidtQ", PNI_Fixup, 0, XX, XX }, |
bcb5558b AM |
1363 | { "lgdtQ", M, XX, XX }, |
1364 | { "lidtQ", M, XX, XX }, | |
e5470cdc | 1365 | { "smswQ", Ev, XX, XX }, |
bcb5558b AM |
1366 | { "(bad)", XX, XX, XX }, |
1367 | { "lmsw", Ew, XX, XX }, | |
4fd61dcb | 1368 | { "invlpg", INVLPG_Fixup, w_mode, XX, XX }, |
252b5132 RH |
1369 | }, |
1370 | /* GRP8 */ | |
1371 | { | |
57d91c3c ILT |
1372 | { "(bad)", XX, XX, XX }, |
1373 | { "(bad)", XX, XX, XX }, | |
1374 | { "(bad)", XX, XX, XX }, | |
1375 | { "(bad)", XX, XX, XX }, | |
1376 | { "btQ", Ev, Ib, XX }, | |
1377 | { "btsQ", Ev, Ib, XX }, | |
1378 | { "btrQ", Ev, Ib, XX }, | |
1379 | { "btcQ", Ev, Ib, XX }, | |
252b5132 RH |
1380 | }, |
1381 | /* GRP9 */ | |
1382 | { | |
57d91c3c ILT |
1383 | { "(bad)", XX, XX, XX }, |
1384 | { "cmpxchg8b", Ev, XX, XX }, | |
1385 | { "(bad)", XX, XX, XX }, | |
1386 | { "(bad)", XX, XX, XX }, | |
1387 | { "(bad)", XX, XX, XX }, | |
1388 | { "(bad)", XX, XX, XX }, | |
1389 | { "(bad)", XX, XX, XX }, | |
1390 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1391 | }, |
1392 | /* GRP10 */ | |
1393 | { | |
57d91c3c ILT |
1394 | { "(bad)", XX, XX, XX }, |
1395 | { "(bad)", XX, XX, XX }, | |
1396 | { "psrlw", MS, Ib, XX }, | |
1397 | { "(bad)", XX, XX, XX }, | |
1398 | { "psraw", MS, Ib, XX }, | |
1399 | { "(bad)", XX, XX, XX }, | |
1400 | { "psllw", MS, Ib, XX }, | |
1401 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1402 | }, |
1403 | /* GRP11 */ | |
1404 | { | |
57d91c3c ILT |
1405 | { "(bad)", XX, XX, XX }, |
1406 | { "(bad)", XX, XX, XX }, | |
1407 | { "psrld", MS, Ib, XX }, | |
1408 | { "(bad)", XX, XX, XX }, | |
1409 | { "psrad", MS, Ib, XX }, | |
1410 | { "(bad)", XX, XX, XX }, | |
1411 | { "pslld", MS, Ib, XX }, | |
1412 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1413 | }, |
1414 | /* GRP12 */ | |
1415 | { | |
57d91c3c ILT |
1416 | { "(bad)", XX, XX, XX }, |
1417 | { "(bad)", XX, XX, XX }, | |
1418 | { "psrlq", MS, Ib, XX }, | |
041bd2e0 | 1419 | { "psrldq", MS, Ib, XX }, |
57d91c3c ILT |
1420 | { "(bad)", XX, XX, XX }, |
1421 | { "(bad)", XX, XX, XX }, | |
1422 | { "psllq", MS, Ib, XX }, | |
041bd2e0 | 1423 | { "pslldq", MS, Ib, XX }, |
252b5132 RH |
1424 | }, |
1425 | /* GRP13 */ | |
1426 | { | |
57d91c3c ILT |
1427 | { "fxsave", Ev, XX, XX }, |
1428 | { "fxrstor", Ev, XX, XX }, | |
1429 | { "ldmxcsr", Ev, XX, XX }, | |
1430 | { "stmxcsr", Ev, XX, XX }, | |
1431 | { "(bad)", XX, XX, XX }, | |
cc0ec051 AM |
1432 | { "lfence", OP_0fae, 0, XX, XX }, |
1433 | { "mfence", OP_0fae, 0, XX, XX }, | |
1434 | { "clflush", OP_0fae, 0, XX, XX }, | |
c608c12e AM |
1435 | }, |
1436 | /* GRP14 */ | |
1437 | { | |
57d91c3c ILT |
1438 | { "prefetchnta", Ev, XX, XX }, |
1439 | { "prefetcht0", Ev, XX, XX }, | |
1440 | { "prefetcht1", Ev, XX, XX }, | |
1441 | { "prefetcht2", Ev, XX, XX }, | |
1442 | { "(bad)", XX, XX, XX }, | |
1443 | { "(bad)", XX, XX, XX }, | |
1444 | { "(bad)", XX, XX, XX }, | |
1445 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1446 | }, |
c608c12e | 1447 | /* GRPAMD */ |
252b5132 | 1448 | { |
57d91c3c ILT |
1449 | { "prefetch", Eb, XX, XX }, |
1450 | { "prefetchw", Eb, XX, XX }, | |
1451 | { "(bad)", XX, XX, XX }, | |
1452 | { "(bad)", XX, XX, XX }, | |
1453 | { "(bad)", XX, XX, XX }, | |
1454 | { "(bad)", XX, XX, XX }, | |
1455 | { "(bad)", XX, XX, XX }, | |
1456 | { "(bad)", XX, XX, XX }, | |
0f10071e | 1457 | }, |
cc0ec051 AM |
1458 | /* GRPPADLCK */ |
1459 | { | |
1460 | { "xstorerng", OP_0f07, 0, XX, XX }, | |
1461 | { "xcryptecb", OP_0f07, 0, XX, XX }, | |
1462 | { "xcryptcbc", OP_0f07, 0, XX, XX }, | |
1463 | { "(bad)", OP_0f07, 0, XX, XX }, | |
1464 | { "xcryptcfb", OP_0f07, 0, XX, XX }, | |
1465 | { "xcryptofb", OP_0f07, 0, XX, XX }, | |
1466 | { "(bad)", OP_0f07, 0, XX, XX }, | |
1467 | { "(bad)", OP_0f07, 0, XX, XX }, | |
252b5132 | 1468 | } |
252b5132 RH |
1469 | }; |
1470 | ||
041bd2e0 | 1471 | static const struct dis386 prefix_user_table[][4] = { |
c608c12e AM |
1472 | /* PREGRP0 */ |
1473 | { | |
57d91c3c ILT |
1474 | { "addps", XM, EX, XX }, |
1475 | { "addss", XM, EX, XX }, | |
041bd2e0 JH |
1476 | { "addpd", XM, EX, XX }, |
1477 | { "addsd", XM, EX, XX }, | |
c608c12e AM |
1478 | }, |
1479 | /* PREGRP1 */ | |
1480 | { | |
6608db57 | 1481 | { "", XM, EX, OPSIMD }, /* See OP_SIMD_SUFFIX. */ |
c608c12e | 1482 | { "", XM, EX, OPSIMD }, |
041bd2e0 JH |
1483 | { "", XM, EX, OPSIMD }, |
1484 | { "", XM, EX, OPSIMD }, | |
c608c12e AM |
1485 | }, |
1486 | /* PREGRP2 */ | |
1487 | { | |
57d91c3c | 1488 | { "cvtpi2ps", XM, EM, XX }, |
76f227a5 | 1489 | { "cvtsi2ssY", XM, Ev, XX }, |
041bd2e0 | 1490 | { "cvtpi2pd", XM, EM, XX }, |
76f227a5 | 1491 | { "cvtsi2sdY", XM, Ev, XX }, |
c608c12e AM |
1492 | }, |
1493 | /* PREGRP3 */ | |
1494 | { | |
57d91c3c | 1495 | { "cvtps2pi", MX, EX, XX }, |
76f227a5 | 1496 | { "cvtss2siY", Gv, EX, XX }, |
041bd2e0 | 1497 | { "cvtpd2pi", MX, EX, XX }, |
76f227a5 | 1498 | { "cvtsd2siY", Gv, EX, XX }, |
c608c12e AM |
1499 | }, |
1500 | /* PREGRP4 */ | |
1501 | { | |
57d91c3c | 1502 | { "cvttps2pi", MX, EX, XX }, |
76f227a5 | 1503 | { "cvttss2siY", Gv, EX, XX }, |
041bd2e0 | 1504 | { "cvttpd2pi", MX, EX, XX }, |
76f227a5 | 1505 | { "cvttsd2siY", Gv, EX, XX }, |
c608c12e AM |
1506 | }, |
1507 | /* PREGRP5 */ | |
1508 | { | |
57d91c3c ILT |
1509 | { "divps", XM, EX, XX }, |
1510 | { "divss", XM, EX, XX }, | |
041bd2e0 JH |
1511 | { "divpd", XM, EX, XX }, |
1512 | { "divsd", XM, EX, XX }, | |
c608c12e AM |
1513 | }, |
1514 | /* PREGRP6 */ | |
1515 | { | |
57d91c3c ILT |
1516 | { "maxps", XM, EX, XX }, |
1517 | { "maxss", XM, EX, XX }, | |
041bd2e0 JH |
1518 | { "maxpd", XM, EX, XX }, |
1519 | { "maxsd", XM, EX, XX }, | |
c608c12e AM |
1520 | }, |
1521 | /* PREGRP7 */ | |
1522 | { | |
57d91c3c ILT |
1523 | { "minps", XM, EX, XX }, |
1524 | { "minss", XM, EX, XX }, | |
041bd2e0 JH |
1525 | { "minpd", XM, EX, XX }, |
1526 | { "minsd", XM, EX, XX }, | |
c608c12e AM |
1527 | }, |
1528 | /* PREGRP8 */ | |
1529 | { | |
57d91c3c ILT |
1530 | { "movups", XM, EX, XX }, |
1531 | { "movss", XM, EX, XX }, | |
041bd2e0 JH |
1532 | { "movupd", XM, EX, XX }, |
1533 | { "movsd", XM, EX, XX }, | |
c608c12e AM |
1534 | }, |
1535 | /* PREGRP9 */ | |
1536 | { | |
57d91c3c ILT |
1537 | { "movups", EX, XM, XX }, |
1538 | { "movss", EX, XM, XX }, | |
041bd2e0 JH |
1539 | { "movupd", EX, XM, XX }, |
1540 | { "movsd", EX, XM, XX }, | |
c608c12e AM |
1541 | }, |
1542 | /* PREGRP10 */ | |
1543 | { | |
57d91c3c ILT |
1544 | { "mulps", XM, EX, XX }, |
1545 | { "mulss", XM, EX, XX }, | |
041bd2e0 JH |
1546 | { "mulpd", XM, EX, XX }, |
1547 | { "mulsd", XM, EX, XX }, | |
c608c12e AM |
1548 | }, |
1549 | /* PREGRP11 */ | |
1550 | { | |
57d91c3c ILT |
1551 | { "rcpps", XM, EX, XX }, |
1552 | { "rcpss", XM, EX, XX }, | |
041bd2e0 JH |
1553 | { "(bad)", XM, EX, XX }, |
1554 | { "(bad)", XM, EX, XX }, | |
c608c12e AM |
1555 | }, |
1556 | /* PREGRP12 */ | |
1557 | { | |
57d91c3c ILT |
1558 | { "rsqrtps", XM, EX, XX }, |
1559 | { "rsqrtss", XM, EX, XX }, | |
041bd2e0 JH |
1560 | { "(bad)", XM, EX, XX }, |
1561 | { "(bad)", XM, EX, XX }, | |
c608c12e AM |
1562 | }, |
1563 | /* PREGRP13 */ | |
1564 | { | |
57d91c3c ILT |
1565 | { "sqrtps", XM, EX, XX }, |
1566 | { "sqrtss", XM, EX, XX }, | |
041bd2e0 JH |
1567 | { "sqrtpd", XM, EX, XX }, |
1568 | { "sqrtsd", XM, EX, XX }, | |
c608c12e AM |
1569 | }, |
1570 | /* PREGRP14 */ | |
1571 | { | |
57d91c3c ILT |
1572 | { "subps", XM, EX, XX }, |
1573 | { "subss", XM, EX, XX }, | |
041bd2e0 JH |
1574 | { "subpd", XM, EX, XX }, |
1575 | { "subsd", XM, EX, XX }, | |
1576 | }, | |
1577 | /* PREGRP15 */ | |
1578 | { | |
1579 | { "(bad)", XM, EX, XX }, | |
1580 | { "cvtdq2pd", XM, EX, XX }, | |
1581 | { "cvttpd2dq", XM, EX, XX }, | |
1582 | { "cvtpd2dq", XM, EX, XX }, | |
1583 | }, | |
1584 | /* PREGRP16 */ | |
1585 | { | |
1586 | { "cvtdq2ps", XM, EX, XX }, | |
1587 | { "cvttps2dq",XM, EX, XX }, | |
1588 | { "cvtps2dq",XM, EX, XX }, | |
1589 | { "(bad)", XM, EX, XX }, | |
1590 | }, | |
1591 | /* PREGRP17 */ | |
1592 | { | |
1593 | { "cvtps2pd", XM, EX, XX }, | |
1594 | { "cvtss2sd", XM, EX, XX }, | |
1595 | { "cvtpd2ps", XM, EX, XX }, | |
1596 | { "cvtsd2ss", XM, EX, XX }, | |
1597 | }, | |
1598 | /* PREGRP18 */ | |
1599 | { | |
992aaec9 | 1600 | { "maskmovq", MX, MS, XX }, |
041bd2e0 | 1601 | { "(bad)", XM, EX, XX }, |
0f17484f | 1602 | { "maskmovdqu", XM, EX, XX }, |
041bd2e0 JH |
1603 | { "(bad)", XM, EX, XX }, |
1604 | }, | |
1605 | /* PREGRP19 */ | |
1606 | { | |
1607 | { "movq", MX, EM, XX }, | |
1608 | { "movdqu", XM, EX, XX }, | |
1609 | { "movdqa", XM, EX, XX }, | |
1610 | { "(bad)", XM, EX, XX }, | |
1611 | }, | |
1612 | /* PREGRP20 */ | |
1613 | { | |
1614 | { "movq", EM, MX, XX }, | |
1615 | { "movdqu", EX, XM, XX }, | |
1616 | { "movdqa", EX, XM, XX }, | |
1617 | { "(bad)", EX, XM, XX }, | |
1618 | }, | |
1619 | /* PREGRP21 */ | |
1620 | { | |
1621 | { "(bad)", EX, XM, XX }, | |
67d6227d | 1622 | { "movq2dq", XM, MS, XX }, |
041bd2e0 | 1623 | { "movq", EX, XM, XX }, |
67d6227d | 1624 | { "movdq2q", MX, XS, XX }, |
041bd2e0 JH |
1625 | }, |
1626 | /* PREGRP22 */ | |
1627 | { | |
1628 | { "pshufw", MX, EM, Ib }, | |
1629 | { "pshufhw", XM, EX, Ib }, | |
1630 | { "pshufd", XM, EX, Ib }, | |
1631 | { "pshuflw", XM, EX, Ib }, | |
1632 | }, | |
1633 | /* PREGRP23 */ | |
1634 | { | |
db6eb5be | 1635 | { "movd", Edq, MX, XX }, |
67d6227d | 1636 | { "movq", XM, EX, XX }, |
db6eb5be | 1637 | { "movd", Edq, XM, XX }, |
0f17484f | 1638 | { "(bad)", Ed, XM, XX }, |
041bd2e0 JH |
1639 | }, |
1640 | /* PREGRP24 */ | |
1641 | { | |
0f17484f AM |
1642 | { "(bad)", MX, EX, XX }, |
1643 | { "(bad)", XM, EX, XX }, | |
041bd2e0 | 1644 | { "punpckhqdq", XM, EX, XX }, |
0f17484f AM |
1645 | { "(bad)", XM, EX, XX }, |
1646 | }, | |
1647 | /* PREGRP25 */ | |
1648 | { | |
1649 | { "movntq", Ev, MX, XX }, | |
1650 | { "(bad)", Ev, XM, XX }, | |
1651 | { "movntdq", Ev, XM, XX }, | |
1652 | { "(bad)", Ev, XM, XX }, | |
1653 | }, | |
1654 | /* PREGRP26 */ | |
1655 | { | |
1656 | { "(bad)", MX, EX, XX }, | |
1657 | { "(bad)", XM, EX, XX }, | |
1658 | { "punpcklqdq", XM, EX, XX }, | |
1659 | { "(bad)", XM, EX, XX }, | |
041bd2e0 | 1660 | }, |
ca164297 L |
1661 | /* PREGRP27 */ |
1662 | { | |
1663 | { "(bad)", MX, EX, XX }, | |
1664 | { "(bad)", XM, EX, XX }, | |
1665 | { "addsubpd", XM, EX, XX }, | |
1666 | { "addsubps", XM, EX, XX }, | |
1667 | }, | |
1668 | /* PREGRP28 */ | |
1669 | { | |
1670 | { "(bad)", MX, EX, XX }, | |
1671 | { "(bad)", XM, EX, XX }, | |
1672 | { "haddpd", XM, EX, XX }, | |
1673 | { "haddps", XM, EX, XX }, | |
1674 | }, | |
1675 | /* PREGRP29 */ | |
1676 | { | |
1677 | { "(bad)", MX, EX, XX }, | |
1678 | { "(bad)", XM, EX, XX }, | |
1679 | { "hsubpd", XM, EX, XX }, | |
1680 | { "hsubps", XM, EX, XX }, | |
1681 | }, | |
1682 | /* PREGRP30 */ | |
1683 | { | |
1684 | { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */ | |
1685 | { "movsldup", XM, EX, XX }, | |
1686 | { "movlpd", XM, EX, XX }, | |
1687 | { "movddup", XM, EX, XX }, | |
1688 | }, | |
1689 | /* PREGRP31 */ | |
1690 | { | |
1691 | { "movhpX", XM, EX, SIMD_Fixup, 'l' }, | |
1692 | { "movshdup", XM, EX, XX }, | |
1693 | { "movhpd", XM, EX, XX }, | |
1694 | { "(bad)", XM, EX, XX }, | |
1695 | }, | |
1696 | /* PREGRP32 */ | |
1697 | { | |
1698 | { "(bad)", XM, EX, XX }, | |
1699 | { "(bad)", XM, EX, XX }, | |
1700 | { "(bad)", XM, EX, XX }, | |
1701 | { "lddqu", XM, M, XX }, | |
1702 | }, | |
c608c12e AM |
1703 | }; |
1704 | ||
6439fc28 AM |
1705 | static const struct dis386 x86_64_table[][2] = { |
1706 | { | |
1707 | { "arpl", Ew, Gw, XX }, | |
1708 | { "movs{||lq|xd}", Gv, Ed, XX }, | |
1709 | }, | |
1710 | }; | |
1711 | ||
c608c12e AM |
1712 | #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>") |
1713 | ||
252b5132 | 1714 | static void |
26ca5450 | 1715 | ckprefix (void) |
252b5132 | 1716 | { |
52b15da3 JH |
1717 | int newrex; |
1718 | rex = 0; | |
252b5132 | 1719 | prefixes = 0; |
7d421014 | 1720 | used_prefixes = 0; |
52b15da3 | 1721 | rex_used = 0; |
252b5132 RH |
1722 | while (1) |
1723 | { | |
1724 | FETCH_DATA (the_info, codep + 1); | |
52b15da3 | 1725 | newrex = 0; |
252b5132 RH |
1726 | switch (*codep) |
1727 | { | |
52b15da3 JH |
1728 | /* REX prefixes family. */ |
1729 | case 0x40: | |
1730 | case 0x41: | |
1731 | case 0x42: | |
1732 | case 0x43: | |
1733 | case 0x44: | |
1734 | case 0x45: | |
1735 | case 0x46: | |
1736 | case 0x47: | |
1737 | case 0x48: | |
1738 | case 0x49: | |
1739 | case 0x4a: | |
1740 | case 0x4b: | |
1741 | case 0x4c: | |
1742 | case 0x4d: | |
1743 | case 0x4e: | |
1744 | case 0x4f: | |
1745 | if (mode_64bit) | |
1746 | newrex = *codep; | |
1747 | else | |
1748 | return; | |
1749 | break; | |
252b5132 RH |
1750 | case 0xf3: |
1751 | prefixes |= PREFIX_REPZ; | |
1752 | break; | |
1753 | case 0xf2: | |
1754 | prefixes |= PREFIX_REPNZ; | |
1755 | break; | |
1756 | case 0xf0: | |
1757 | prefixes |= PREFIX_LOCK; | |
1758 | break; | |
1759 | case 0x2e: | |
1760 | prefixes |= PREFIX_CS; | |
1761 | break; | |
1762 | case 0x36: | |
1763 | prefixes |= PREFIX_SS; | |
1764 | break; | |
1765 | case 0x3e: | |
1766 | prefixes |= PREFIX_DS; | |
1767 | break; | |
1768 | case 0x26: | |
1769 | prefixes |= PREFIX_ES; | |
1770 | break; | |
1771 | case 0x64: | |
1772 | prefixes |= PREFIX_FS; | |
1773 | break; | |
1774 | case 0x65: | |
1775 | prefixes |= PREFIX_GS; | |
1776 | break; | |
1777 | case 0x66: | |
1778 | prefixes |= PREFIX_DATA; | |
1779 | break; | |
1780 | case 0x67: | |
1781 | prefixes |= PREFIX_ADDR; | |
1782 | break; | |
5076851f | 1783 | case FWAIT_OPCODE: |
252b5132 RH |
1784 | /* fwait is really an instruction. If there are prefixes |
1785 | before the fwait, they belong to the fwait, *not* to the | |
1786 | following instruction. */ | |
1787 | if (prefixes) | |
1788 | { | |
1789 | prefixes |= PREFIX_FWAIT; | |
1790 | codep++; | |
1791 | return; | |
1792 | } | |
1793 | prefixes = PREFIX_FWAIT; | |
1794 | break; | |
1795 | default: | |
1796 | return; | |
1797 | } | |
52b15da3 JH |
1798 | /* Rex is ignored when followed by another prefix. */ |
1799 | if (rex) | |
1800 | { | |
1801 | oappend (prefix_name (rex, 0)); | |
1802 | oappend (" "); | |
1803 | } | |
1804 | rex = newrex; | |
252b5132 RH |
1805 | codep++; |
1806 | } | |
1807 | } | |
1808 | ||
7d421014 ILT |
1809 | /* Return the name of the prefix byte PREF, or NULL if PREF is not a |
1810 | prefix byte. */ | |
1811 | ||
1812 | static const char * | |
26ca5450 | 1813 | prefix_name (int pref, int sizeflag) |
7d421014 ILT |
1814 | { |
1815 | switch (pref) | |
1816 | { | |
52b15da3 JH |
1817 | /* REX prefixes family. */ |
1818 | case 0x40: | |
1819 | return "rex"; | |
1820 | case 0x41: | |
1821 | return "rexZ"; | |
1822 | case 0x42: | |
1823 | return "rexY"; | |
1824 | case 0x43: | |
1825 | return "rexYZ"; | |
1826 | case 0x44: | |
1827 | return "rexX"; | |
1828 | case 0x45: | |
1829 | return "rexXZ"; | |
1830 | case 0x46: | |
1831 | return "rexXY"; | |
1832 | case 0x47: | |
1833 | return "rexXYZ"; | |
1834 | case 0x48: | |
1835 | return "rex64"; | |
1836 | case 0x49: | |
1837 | return "rex64Z"; | |
1838 | case 0x4a: | |
1839 | return "rex64Y"; | |
1840 | case 0x4b: | |
1841 | return "rex64YZ"; | |
1842 | case 0x4c: | |
1843 | return "rex64X"; | |
1844 | case 0x4d: | |
1845 | return "rex64XZ"; | |
1846 | case 0x4e: | |
1847 | return "rex64XY"; | |
1848 | case 0x4f: | |
1849 | return "rex64XYZ"; | |
7d421014 ILT |
1850 | case 0xf3: |
1851 | return "repz"; | |
1852 | case 0xf2: | |
1853 | return "repnz"; | |
1854 | case 0xf0: | |
1855 | return "lock"; | |
1856 | case 0x2e: | |
1857 | return "cs"; | |
1858 | case 0x36: | |
1859 | return "ss"; | |
1860 | case 0x3e: | |
1861 | return "ds"; | |
1862 | case 0x26: | |
1863 | return "es"; | |
1864 | case 0x64: | |
1865 | return "fs"; | |
1866 | case 0x65: | |
1867 | return "gs"; | |
1868 | case 0x66: | |
1869 | return (sizeflag & DFLAG) ? "data16" : "data32"; | |
1870 | case 0x67: | |
c1a64871 | 1871 | if (mode_64bit) |
db6eb5be | 1872 | return (sizeflag & AFLAG) ? "addr32" : "addr64"; |
c1a64871 | 1873 | else |
db6eb5be | 1874 | return ((sizeflag & AFLAG) && !mode_64bit) ? "addr16" : "addr32"; |
7d421014 ILT |
1875 | case FWAIT_OPCODE: |
1876 | return "fwait"; | |
1877 | default: | |
1878 | return NULL; | |
1879 | } | |
1880 | } | |
1881 | ||
252b5132 RH |
1882 | static char op1out[100], op2out[100], op3out[100]; |
1883 | static int op_ad, op_index[3]; | |
7081ff04 AJ |
1884 | static bfd_vma op_address[3]; |
1885 | static bfd_vma op_riprel[3]; | |
52b15da3 | 1886 | static bfd_vma start_pc; |
252b5132 RH |
1887 | \f |
1888 | /* | |
1889 | * On the 386's of 1988, the maximum length of an instruction is 15 bytes. | |
1890 | * (see topic "Redundant prefixes" in the "Differences from 8086" | |
1891 | * section of the "Virtual 8086 Mode" chapter.) | |
1892 | * 'pc' should be the address of this instruction, it will | |
1893 | * be used to print the target address if this is a relative jump or call | |
1894 | * The function returns the length of this instruction in bytes. | |
1895 | */ | |
1896 | ||
252b5132 RH |
1897 | static char intel_syntax; |
1898 | static char open_char; | |
1899 | static char close_char; | |
1900 | static char separator_char; | |
1901 | static char scale_char; | |
1902 | ||
e396998b AM |
1903 | /* Here for backwards compatibility. When gdb stops using |
1904 | print_insn_i386_att and print_insn_i386_intel these functions can | |
1905 | disappear, and print_insn_i386 be merged into print_insn. */ | |
252b5132 | 1906 | int |
26ca5450 | 1907 | print_insn_i386_att (bfd_vma pc, disassemble_info *info) |
252b5132 RH |
1908 | { |
1909 | intel_syntax = 0; | |
e396998b AM |
1910 | |
1911 | return print_insn (pc, info); | |
252b5132 RH |
1912 | } |
1913 | ||
1914 | int | |
26ca5450 | 1915 | print_insn_i386_intel (bfd_vma pc, disassemble_info *info) |
252b5132 RH |
1916 | { |
1917 | intel_syntax = 1; | |
e396998b AM |
1918 | |
1919 | return print_insn (pc, info); | |
252b5132 RH |
1920 | } |
1921 | ||
e396998b | 1922 | int |
26ca5450 | 1923 | print_insn_i386 (bfd_vma pc, disassemble_info *info) |
e396998b AM |
1924 | { |
1925 | intel_syntax = -1; | |
1926 | ||
1927 | return print_insn (pc, info); | |
1928 | } | |
1929 | ||
1930 | static int | |
26ca5450 | 1931 | print_insn (bfd_vma pc, disassemble_info *info) |
252b5132 | 1932 | { |
2da11e11 | 1933 | const struct dis386 *dp; |
252b5132 RH |
1934 | int i; |
1935 | int two_source_ops; | |
1936 | char *first, *second, *third; | |
1937 | int needcomma; | |
041bd2e0 | 1938 | unsigned char uses_SSE_prefix; |
e396998b AM |
1939 | int sizeflag; |
1940 | const char *p; | |
252b5132 | 1941 | struct dis_private priv; |
252b5132 | 1942 | |
52b15da3 JH |
1943 | mode_64bit = (info->mach == bfd_mach_x86_64_intel_syntax |
1944 | || info->mach == bfd_mach_x86_64); | |
1945 | ||
8373f971 | 1946 | if (intel_syntax == (char) -1) |
e396998b AM |
1947 | intel_syntax = (info->mach == bfd_mach_i386_i386_intel_syntax |
1948 | || info->mach == bfd_mach_x86_64_intel_syntax); | |
1949 | ||
2da11e11 | 1950 | if (info->mach == bfd_mach_i386_i386 |
52b15da3 JH |
1951 | || info->mach == bfd_mach_x86_64 |
1952 | || info->mach == bfd_mach_i386_i386_intel_syntax | |
1953 | || info->mach == bfd_mach_x86_64_intel_syntax) | |
e396998b | 1954 | priv.orig_sizeflag = AFLAG | DFLAG; |
2da11e11 | 1955 | else if (info->mach == bfd_mach_i386_i8086) |
e396998b | 1956 | priv.orig_sizeflag = 0; |
2da11e11 AM |
1957 | else |
1958 | abort (); | |
e396998b AM |
1959 | |
1960 | for (p = info->disassembler_options; p != NULL; ) | |
1961 | { | |
fa405d97 | 1962 | if (strncmp (p, "x86-64", 6) == 0) |
e396998b AM |
1963 | { |
1964 | mode_64bit = 1; | |
1965 | priv.orig_sizeflag = AFLAG | DFLAG; | |
1966 | } | |
1967 | else if (strncmp (p, "i386", 4) == 0) | |
1968 | { | |
1969 | mode_64bit = 0; | |
1970 | priv.orig_sizeflag = AFLAG | DFLAG; | |
1971 | } | |
1972 | else if (strncmp (p, "i8086", 5) == 0) | |
1973 | { | |
1974 | mode_64bit = 0; | |
1975 | priv.orig_sizeflag = 0; | |
1976 | } | |
1977 | else if (strncmp (p, "intel", 5) == 0) | |
1978 | { | |
1979 | intel_syntax = 1; | |
1980 | } | |
1981 | else if (strncmp (p, "att", 3) == 0) | |
1982 | { | |
1983 | intel_syntax = 0; | |
1984 | } | |
1985 | else if (strncmp (p, "addr", 4) == 0) | |
1986 | { | |
1987 | if (p[4] == '1' && p[5] == '6') | |
1988 | priv.orig_sizeflag &= ~AFLAG; | |
1989 | else if (p[4] == '3' && p[5] == '2') | |
1990 | priv.orig_sizeflag |= AFLAG; | |
1991 | } | |
1992 | else if (strncmp (p, "data", 4) == 0) | |
1993 | { | |
1994 | if (p[4] == '1' && p[5] == '6') | |
1995 | priv.orig_sizeflag &= ~DFLAG; | |
1996 | else if (p[4] == '3' && p[5] == '2') | |
1997 | priv.orig_sizeflag |= DFLAG; | |
1998 | } | |
1999 | else if (strncmp (p, "suffix", 6) == 0) | |
2000 | priv.orig_sizeflag |= SUFFIX_ALWAYS; | |
2001 | ||
2002 | p = strchr (p, ','); | |
2003 | if (p != NULL) | |
2004 | p++; | |
2005 | } | |
2006 | ||
2007 | if (intel_syntax) | |
2008 | { | |
2009 | names64 = intel_names64; | |
2010 | names32 = intel_names32; | |
2011 | names16 = intel_names16; | |
2012 | names8 = intel_names8; | |
2013 | names8rex = intel_names8rex; | |
2014 | names_seg = intel_names_seg; | |
2015 | index16 = intel_index16; | |
2016 | open_char = '['; | |
2017 | close_char = ']'; | |
2018 | separator_char = '+'; | |
2019 | scale_char = '*'; | |
2020 | } | |
2021 | else | |
2022 | { | |
2023 | names64 = att_names64; | |
2024 | names32 = att_names32; | |
2025 | names16 = att_names16; | |
2026 | names8 = att_names8; | |
2027 | names8rex = att_names8rex; | |
2028 | names_seg = att_names_seg; | |
2029 | index16 = att_index16; | |
2030 | open_char = '('; | |
2031 | close_char = ')'; | |
2032 | separator_char = ','; | |
2033 | scale_char = ','; | |
2034 | } | |
2da11e11 | 2035 | |
4fe53c98 | 2036 | /* The output looks better if we put 7 bytes on a line, since that |
c608c12e | 2037 | puts most long word instructions on a single line. */ |
4fe53c98 | 2038 | info->bytes_per_line = 7; |
252b5132 | 2039 | |
26ca5450 | 2040 | info->private_data = &priv; |
252b5132 RH |
2041 | priv.max_fetched = priv.the_buffer; |
2042 | priv.insn_start = pc; | |
252b5132 RH |
2043 | |
2044 | obuf[0] = 0; | |
2045 | op1out[0] = 0; | |
2046 | op2out[0] = 0; | |
2047 | op3out[0] = 0; | |
2048 | ||
2049 | op_index[0] = op_index[1] = op_index[2] = -1; | |
2050 | ||
2051 | the_info = info; | |
2052 | start_pc = pc; | |
e396998b AM |
2053 | start_codep = priv.the_buffer; |
2054 | codep = priv.the_buffer; | |
252b5132 | 2055 | |
5076851f ILT |
2056 | if (setjmp (priv.bailout) != 0) |
2057 | { | |
7d421014 ILT |
2058 | const char *name; |
2059 | ||
5076851f | 2060 | /* Getting here means we tried for data but didn't get it. That |
e396998b AM |
2061 | means we have an incomplete instruction of some sort. Just |
2062 | print the first byte as a prefix or a .byte pseudo-op. */ | |
2063 | if (codep > priv.the_buffer) | |
5076851f | 2064 | { |
e396998b | 2065 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); |
7d421014 ILT |
2066 | if (name != NULL) |
2067 | (*info->fprintf_func) (info->stream, "%s", name); | |
2068 | else | |
5076851f | 2069 | { |
7d421014 ILT |
2070 | /* Just print the first byte as a .byte instruction. */ |
2071 | (*info->fprintf_func) (info->stream, ".byte 0x%x", | |
e396998b | 2072 | (unsigned int) priv.the_buffer[0]); |
5076851f | 2073 | } |
5076851f | 2074 | |
7d421014 | 2075 | return 1; |
5076851f ILT |
2076 | } |
2077 | ||
2078 | return -1; | |
2079 | } | |
2080 | ||
52b15da3 | 2081 | obufp = obuf; |
252b5132 RH |
2082 | ckprefix (); |
2083 | ||
2084 | insn_codep = codep; | |
e396998b | 2085 | sizeflag = priv.orig_sizeflag; |
252b5132 RH |
2086 | |
2087 | FETCH_DATA (info, codep + 1); | |
2088 | two_source_ops = (*codep == 0x62) || (*codep == 0xc8); | |
2089 | ||
252b5132 RH |
2090 | if ((prefixes & PREFIX_FWAIT) |
2091 | && ((*codep < 0xd8) || (*codep > 0xdf))) | |
2092 | { | |
7d421014 ILT |
2093 | const char *name; |
2094 | ||
2095 | /* fwait not followed by floating point instruction. Print the | |
db6eb5be | 2096 | first prefix, which is probably fwait itself. */ |
e396998b | 2097 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); |
7d421014 ILT |
2098 | if (name == NULL) |
2099 | name = INTERNAL_DISASSEMBLER_ERROR; | |
2100 | (*info->fprintf_func) (info->stream, "%s", name); | |
2101 | return 1; | |
252b5132 RH |
2102 | } |
2103 | ||
252b5132 RH |
2104 | if (*codep == 0x0f) |
2105 | { | |
2106 | FETCH_DATA (info, codep + 2); | |
6439fc28 | 2107 | dp = &dis386_twobyte[*++codep]; |
252b5132 | 2108 | need_modrm = twobyte_has_modrm[*codep]; |
041bd2e0 | 2109 | uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep]; |
252b5132 RH |
2110 | } |
2111 | else | |
2112 | { | |
6439fc28 | 2113 | dp = &dis386[*codep]; |
252b5132 | 2114 | need_modrm = onebyte_has_modrm[*codep]; |
041bd2e0 | 2115 | uses_SSE_prefix = 0; |
252b5132 RH |
2116 | } |
2117 | codep++; | |
2118 | ||
041bd2e0 | 2119 | if (!uses_SSE_prefix && (prefixes & PREFIX_REPZ)) |
7d421014 ILT |
2120 | { |
2121 | oappend ("repz "); | |
2122 | used_prefixes |= PREFIX_REPZ; | |
2123 | } | |
041bd2e0 | 2124 | if (!uses_SSE_prefix && (prefixes & PREFIX_REPNZ)) |
7d421014 ILT |
2125 | { |
2126 | oappend ("repnz "); | |
2127 | used_prefixes |= PREFIX_REPNZ; | |
2128 | } | |
c608c12e | 2129 | if (prefixes & PREFIX_LOCK) |
7d421014 ILT |
2130 | { |
2131 | oappend ("lock "); | |
2132 | used_prefixes |= PREFIX_LOCK; | |
2133 | } | |
c608c12e | 2134 | |
c608c12e AM |
2135 | if (prefixes & PREFIX_ADDR) |
2136 | { | |
2137 | sizeflag ^= AFLAG; | |
6439fc28 | 2138 | if (dp->bytemode3 != loop_jcxz_mode || intel_syntax) |
3ffd33cf | 2139 | { |
c1a64871 | 2140 | if ((sizeflag & AFLAG) || mode_64bit) |
3ffd33cf AM |
2141 | oappend ("addr32 "); |
2142 | else | |
2143 | oappend ("addr16 "); | |
2144 | used_prefixes |= PREFIX_ADDR; | |
2145 | } | |
2146 | } | |
2147 | ||
2148 | if (!uses_SSE_prefix && (prefixes & PREFIX_DATA)) | |
2149 | { | |
2150 | sizeflag ^= DFLAG; | |
6439fc28 AM |
2151 | if (dp->bytemode3 == cond_jump_mode |
2152 | && dp->bytemode1 == v_mode | |
2153 | && !intel_syntax) | |
3ffd33cf AM |
2154 | { |
2155 | if (sizeflag & DFLAG) | |
2156 | oappend ("data32 "); | |
2157 | else | |
2158 | oappend ("data16 "); | |
2159 | used_prefixes |= PREFIX_DATA; | |
2160 | } | |
2161 | } | |
2162 | ||
252b5132 RH |
2163 | if (need_modrm) |
2164 | { | |
2165 | FETCH_DATA (info, codep + 1); | |
2166 | mod = (*codep >> 6) & 3; | |
2167 | reg = (*codep >> 3) & 7; | |
2168 | rm = *codep & 7; | |
2169 | } | |
2170 | ||
2171 | if (dp->name == NULL && dp->bytemode1 == FLOATCODE) | |
2172 | { | |
2173 | dofloat (sizeflag); | |
2174 | } | |
2175 | else | |
2176 | { | |
041bd2e0 | 2177 | int index; |
252b5132 | 2178 | if (dp->name == NULL) |
c608c12e | 2179 | { |
6439fc28 | 2180 | switch (dp->bytemode1) |
c608c12e | 2181 | { |
6439fc28 AM |
2182 | case USE_GROUPS: |
2183 | dp = &grps[dp->bytemode2][reg]; | |
2184 | break; | |
2185 | ||
2186 | case USE_PREFIX_USER_TABLE: | |
2187 | index = 0; | |
2188 | used_prefixes |= (prefixes & PREFIX_REPZ); | |
2189 | if (prefixes & PREFIX_REPZ) | |
2190 | index = 1; | |
2191 | else | |
2192 | { | |
2193 | used_prefixes |= (prefixes & PREFIX_DATA); | |
2194 | if (prefixes & PREFIX_DATA) | |
2195 | index = 2; | |
2196 | else | |
2197 | { | |
2198 | used_prefixes |= (prefixes & PREFIX_REPNZ); | |
2199 | if (prefixes & PREFIX_REPNZ) | |
2200 | index = 3; | |
2201 | } | |
2202 | } | |
2203 | dp = &prefix_user_table[dp->bytemode2][index]; | |
2204 | break; | |
252b5132 | 2205 | |
6439fc28 AM |
2206 | case X86_64_SPECIAL: |
2207 | dp = &x86_64_table[dp->bytemode2][mode_64bit]; | |
2208 | break; | |
252b5132 | 2209 | |
6439fc28 AM |
2210 | default: |
2211 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
2212 | break; | |
2213 | } | |
2214 | } | |
252b5132 | 2215 | |
6439fc28 AM |
2216 | if (putop (dp->name, sizeflag) == 0) |
2217 | { | |
2218 | obufp = op1out; | |
2219 | op_ad = 2; | |
2220 | if (dp->op1) | |
6608db57 | 2221 | (*dp->op1) (dp->bytemode1, sizeflag); |
6439fc28 AM |
2222 | |
2223 | obufp = op2out; | |
2224 | op_ad = 1; | |
2225 | if (dp->op2) | |
6608db57 | 2226 | (*dp->op2) (dp->bytemode2, sizeflag); |
6439fc28 AM |
2227 | |
2228 | obufp = op3out; | |
2229 | op_ad = 0; | |
2230 | if (dp->op3) | |
6608db57 | 2231 | (*dp->op3) (dp->bytemode3, sizeflag); |
6439fc28 | 2232 | } |
252b5132 RH |
2233 | } |
2234 | ||
7d421014 ILT |
2235 | /* See if any prefixes were not used. If so, print the first one |
2236 | separately. If we don't do this, we'll wind up printing an | |
2237 | instruction stream which does not precisely correspond to the | |
2238 | bytes we are disassembling. */ | |
2239 | if ((prefixes & ~used_prefixes) != 0) | |
2240 | { | |
2241 | const char *name; | |
2242 | ||
e396998b | 2243 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); |
7d421014 ILT |
2244 | if (name == NULL) |
2245 | name = INTERNAL_DISASSEMBLER_ERROR; | |
2246 | (*info->fprintf_func) (info->stream, "%s", name); | |
2247 | return 1; | |
2248 | } | |
52b15da3 JH |
2249 | if (rex & ~rex_used) |
2250 | { | |
2251 | const char *name; | |
e396998b | 2252 | name = prefix_name (rex | 0x40, priv.orig_sizeflag); |
52b15da3 JH |
2253 | if (name == NULL) |
2254 | name = INTERNAL_DISASSEMBLER_ERROR; | |
2255 | (*info->fprintf_func) (info->stream, "%s ", name); | |
2256 | } | |
7d421014 | 2257 | |
252b5132 RH |
2258 | obufp = obuf + strlen (obuf); |
2259 | for (i = strlen (obuf); i < 6; i++) | |
2260 | oappend (" "); | |
2261 | oappend (" "); | |
2262 | (*info->fprintf_func) (info->stream, "%s", obuf); | |
2263 | ||
2264 | /* The enter and bound instructions are printed with operands in the same | |
2265 | order as the intel book; everything else is printed in reverse order. */ | |
2da11e11 | 2266 | if (intel_syntax || two_source_ops) |
252b5132 RH |
2267 | { |
2268 | first = op1out; | |
2269 | second = op2out; | |
2270 | third = op3out; | |
2271 | op_ad = op_index[0]; | |
2272 | op_index[0] = op_index[2]; | |
2273 | op_index[2] = op_ad; | |
2274 | } | |
2275 | else | |
2276 | { | |
2277 | first = op3out; | |
2278 | second = op2out; | |
2279 | third = op1out; | |
2280 | } | |
2281 | needcomma = 0; | |
2282 | if (*first) | |
2283 | { | |
52b15da3 | 2284 | if (op_index[0] != -1 && !op_riprel[0]) |
252b5132 RH |
2285 | (*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info); |
2286 | else | |
2287 | (*info->fprintf_func) (info->stream, "%s", first); | |
2288 | needcomma = 1; | |
2289 | } | |
2290 | if (*second) | |
2291 | { | |
2292 | if (needcomma) | |
2293 | (*info->fprintf_func) (info->stream, ","); | |
52b15da3 | 2294 | if (op_index[1] != -1 && !op_riprel[1]) |
252b5132 RH |
2295 | (*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info); |
2296 | else | |
2297 | (*info->fprintf_func) (info->stream, "%s", second); | |
2298 | needcomma = 1; | |
2299 | } | |
2300 | if (*third) | |
2301 | { | |
2302 | if (needcomma) | |
2303 | (*info->fprintf_func) (info->stream, ","); | |
52b15da3 | 2304 | if (op_index[2] != -1 && !op_riprel[2]) |
252b5132 RH |
2305 | (*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info); |
2306 | else | |
2307 | (*info->fprintf_func) (info->stream, "%s", third); | |
2308 | } | |
52b15da3 JH |
2309 | for (i = 0; i < 3; i++) |
2310 | if (op_index[i] != -1 && op_riprel[i]) | |
2311 | { | |
2312 | (*info->fprintf_func) (info->stream, " # "); | |
2313 | (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep | |
2314 | + op_address[op_index[i]]), info); | |
2315 | } | |
e396998b | 2316 | return codep - priv.the_buffer; |
252b5132 RH |
2317 | } |
2318 | ||
6439fc28 | 2319 | static const char *float_mem[] = { |
252b5132 | 2320 | /* d8 */ |
6439fc28 AM |
2321 | "fadd{s||s|}", |
2322 | "fmul{s||s|}", | |
2323 | "fcom{s||s|}", | |
2324 | "fcomp{s||s|}", | |
2325 | "fsub{s||s|}", | |
2326 | "fsubr{s||s|}", | |
2327 | "fdiv{s||s|}", | |
2328 | "fdivr{s||s|}", | |
db6eb5be | 2329 | /* d9 */ |
6439fc28 | 2330 | "fld{s||s|}", |
252b5132 | 2331 | "(bad)", |
6439fc28 AM |
2332 | "fst{s||s|}", |
2333 | "fstp{s||s|}", | |
252b5132 RH |
2334 | "fldenv", |
2335 | "fldcw", | |
2336 | "fNstenv", | |
2337 | "fNstcw", | |
2338 | /* da */ | |
6439fc28 AM |
2339 | "fiadd{l||l|}", |
2340 | "fimul{l||l|}", | |
2341 | "ficom{l||l|}", | |
2342 | "ficomp{l||l|}", | |
2343 | "fisub{l||l|}", | |
2344 | "fisubr{l||l|}", | |
2345 | "fidiv{l||l|}", | |
2346 | "fidivr{l||l|}", | |
252b5132 | 2347 | /* db */ |
6439fc28 | 2348 | "fild{l||l|}", |
ca164297 | 2349 | "fisttp{l||l|}", |
6439fc28 AM |
2350 | "fist{l||l|}", |
2351 | "fistp{l||l|}", | |
252b5132 | 2352 | "(bad)", |
6439fc28 | 2353 | "fld{t||t|}", |
252b5132 | 2354 | "(bad)", |
6439fc28 | 2355 | "fstp{t||t|}", |
252b5132 | 2356 | /* dc */ |
6439fc28 AM |
2357 | "fadd{l||l|}", |
2358 | "fmul{l||l|}", | |
2359 | "fcom{l||l|}", | |
2360 | "fcomp{l||l|}", | |
2361 | "fsub{l||l|}", | |
2362 | "fsubr{l||l|}", | |
2363 | "fdiv{l||l|}", | |
2364 | "fdivr{l||l|}", | |
252b5132 | 2365 | /* dd */ |
6439fc28 | 2366 | "fld{l||l|}", |
ca164297 | 2367 | "fisttpll", |
6439fc28 AM |
2368 | "fst{l||l|}", |
2369 | "fstp{l||l|}", | |
252b5132 RH |
2370 | "frstor", |
2371 | "(bad)", | |
2372 | "fNsave", | |
2373 | "fNstsw", | |
2374 | /* de */ | |
2375 | "fiadd", | |
2376 | "fimul", | |
2377 | "ficom", | |
2378 | "ficomp", | |
2379 | "fisub", | |
2380 | "fisubr", | |
2381 | "fidiv", | |
2382 | "fidivr", | |
2383 | /* df */ | |
2384 | "fild", | |
ca164297 | 2385 | "fisttp", |
252b5132 RH |
2386 | "fist", |
2387 | "fistp", | |
2388 | "fbld", | |
6439fc28 | 2389 | "fild{ll||ll|}", |
252b5132 RH |
2390 | "fbstp", |
2391 | "fistpll", | |
2392 | }; | |
2393 | ||
2394 | #define ST OP_ST, 0 | |
2395 | #define STi OP_STi, 0 | |
2396 | ||
57d91c3c ILT |
2397 | #define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0 |
2398 | #define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0 | |
2399 | #define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0 | |
2400 | #define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0 | |
2401 | #define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0 | |
2402 | #define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0 | |
2403 | #define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0 | |
2404 | #define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0 | |
2405 | #define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0 | |
252b5132 | 2406 | |
2da11e11 | 2407 | static const struct dis386 float_reg[][8] = { |
252b5132 RH |
2408 | /* d8 */ |
2409 | { | |
57d91c3c ILT |
2410 | { "fadd", ST, STi, XX }, |
2411 | { "fmul", ST, STi, XX }, | |
2412 | { "fcom", STi, XX, XX }, | |
2413 | { "fcomp", STi, XX, XX }, | |
2414 | { "fsub", ST, STi, XX }, | |
2415 | { "fsubr", ST, STi, XX }, | |
2416 | { "fdiv", ST, STi, XX }, | |
2417 | { "fdivr", ST, STi, XX }, | |
252b5132 RH |
2418 | }, |
2419 | /* d9 */ | |
2420 | { | |
57d91c3c ILT |
2421 | { "fld", STi, XX, XX }, |
2422 | { "fxch", STi, XX, XX }, | |
252b5132 | 2423 | { FGRPd9_2 }, |
57d91c3c | 2424 | { "(bad)", XX, XX, XX }, |
252b5132 RH |
2425 | { FGRPd9_4 }, |
2426 | { FGRPd9_5 }, | |
2427 | { FGRPd9_6 }, | |
2428 | { FGRPd9_7 }, | |
2429 | }, | |
2430 | /* da */ | |
2431 | { | |
57d91c3c ILT |
2432 | { "fcmovb", ST, STi, XX }, |
2433 | { "fcmove", ST, STi, XX }, | |
2434 | { "fcmovbe",ST, STi, XX }, | |
2435 | { "fcmovu", ST, STi, XX }, | |
2436 | { "(bad)", XX, XX, XX }, | |
252b5132 | 2437 | { FGRPda_5 }, |
57d91c3c ILT |
2438 | { "(bad)", XX, XX, XX }, |
2439 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2440 | }, |
2441 | /* db */ | |
2442 | { | |
57d91c3c ILT |
2443 | { "fcmovnb",ST, STi, XX }, |
2444 | { "fcmovne",ST, STi, XX }, | |
2445 | { "fcmovnbe",ST, STi, XX }, | |
2446 | { "fcmovnu",ST, STi, XX }, | |
252b5132 | 2447 | { FGRPdb_4 }, |
57d91c3c ILT |
2448 | { "fucomi", ST, STi, XX }, |
2449 | { "fcomi", ST, STi, XX }, | |
2450 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2451 | }, |
2452 | /* dc */ | |
2453 | { | |
57d91c3c ILT |
2454 | { "fadd", STi, ST, XX }, |
2455 | { "fmul", STi, ST, XX }, | |
2456 | { "(bad)", XX, XX, XX }, | |
2457 | { "(bad)", XX, XX, XX }, | |
252b5132 | 2458 | #if UNIXWARE_COMPAT |
57d91c3c ILT |
2459 | { "fsub", STi, ST, XX }, |
2460 | { "fsubr", STi, ST, XX }, | |
2461 | { "fdiv", STi, ST, XX }, | |
2462 | { "fdivr", STi, ST, XX }, | |
252b5132 | 2463 | #else |
57d91c3c ILT |
2464 | { "fsubr", STi, ST, XX }, |
2465 | { "fsub", STi, ST, XX }, | |
2466 | { "fdivr", STi, ST, XX }, | |
2467 | { "fdiv", STi, ST, XX }, | |
252b5132 RH |
2468 | #endif |
2469 | }, | |
2470 | /* dd */ | |
2471 | { | |
57d91c3c ILT |
2472 | { "ffree", STi, XX, XX }, |
2473 | { "(bad)", XX, XX, XX }, | |
2474 | { "fst", STi, XX, XX }, | |
2475 | { "fstp", STi, XX, XX }, | |
2476 | { "fucom", STi, XX, XX }, | |
2477 | { "fucomp", STi, XX, XX }, | |
2478 | { "(bad)", XX, XX, XX }, | |
2479 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2480 | }, |
2481 | /* de */ | |
2482 | { | |
57d91c3c ILT |
2483 | { "faddp", STi, ST, XX }, |
2484 | { "fmulp", STi, ST, XX }, | |
2485 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2486 | { FGRPde_3 }, |
2487 | #if UNIXWARE_COMPAT | |
57d91c3c ILT |
2488 | { "fsubp", STi, ST, XX }, |
2489 | { "fsubrp", STi, ST, XX }, | |
2490 | { "fdivp", STi, ST, XX }, | |
2491 | { "fdivrp", STi, ST, XX }, | |
252b5132 | 2492 | #else |
57d91c3c ILT |
2493 | { "fsubrp", STi, ST, XX }, |
2494 | { "fsubp", STi, ST, XX }, | |
2495 | { "fdivrp", STi, ST, XX }, | |
2496 | { "fdivp", STi, ST, XX }, | |
252b5132 RH |
2497 | #endif |
2498 | }, | |
2499 | /* df */ | |
2500 | { | |
c2419411 | 2501 | { "ffreep", STi, XX, XX }, |
57d91c3c ILT |
2502 | { "(bad)", XX, XX, XX }, |
2503 | { "(bad)", XX, XX, XX }, | |
2504 | { "(bad)", XX, XX, XX }, | |
252b5132 | 2505 | { FGRPdf_4 }, |
57d91c3c ILT |
2506 | { "fucomip",ST, STi, XX }, |
2507 | { "fcomip", ST, STi, XX }, | |
2508 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2509 | }, |
2510 | }; | |
2511 | ||
252b5132 RH |
2512 | static char *fgrps[][8] = { |
2513 | /* d9_2 0 */ | |
2514 | { | |
2515 | "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2516 | }, | |
2517 | ||
2518 | /* d9_4 1 */ | |
2519 | { | |
2520 | "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)", | |
2521 | }, | |
2522 | ||
2523 | /* d9_5 2 */ | |
2524 | { | |
2525 | "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)", | |
2526 | }, | |
2527 | ||
2528 | /* d9_6 3 */ | |
2529 | { | |
2530 | "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp", | |
2531 | }, | |
2532 | ||
2533 | /* d9_7 4 */ | |
2534 | { | |
2535 | "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos", | |
2536 | }, | |
2537 | ||
2538 | /* da_5 5 */ | |
2539 | { | |
2540 | "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2541 | }, | |
2542 | ||
2543 | /* db_4 6 */ | |
2544 | { | |
2545 | "feni(287 only)","fdisi(287 only)","fNclex","fNinit", | |
2546 | "fNsetpm(287 only)","(bad)","(bad)","(bad)", | |
2547 | }, | |
2548 | ||
2549 | /* de_3 7 */ | |
2550 | { | |
2551 | "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2552 | }, | |
2553 | ||
2554 | /* df_4 8 */ | |
2555 | { | |
2556 | "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2557 | }, | |
2558 | }; | |
2559 | ||
2560 | static void | |
26ca5450 | 2561 | dofloat (int sizeflag) |
252b5132 | 2562 | { |
2da11e11 | 2563 | const struct dis386 *dp; |
252b5132 RH |
2564 | unsigned char floatop; |
2565 | ||
2566 | floatop = codep[-1]; | |
2567 | ||
2568 | if (mod != 3) | |
2569 | { | |
6608db57 | 2570 | putop (float_mem[(floatop - 0xd8) * 8 + reg], sizeflag); |
252b5132 RH |
2571 | obufp = op1out; |
2572 | if (floatop == 0xdb) | |
db6eb5be | 2573 | OP_E (x_mode, sizeflag); |
252b5132 | 2574 | else if (floatop == 0xdd) |
db6eb5be | 2575 | OP_E (d_mode, sizeflag); |
2da11e11 | 2576 | else |
db6eb5be | 2577 | OP_E (v_mode, sizeflag); |
252b5132 RH |
2578 | return; |
2579 | } | |
6608db57 | 2580 | /* Skip mod/rm byte. */ |
4bba6815 | 2581 | MODRM_CHECK; |
252b5132 RH |
2582 | codep++; |
2583 | ||
2584 | dp = &float_reg[floatop - 0xd8][reg]; | |
2585 | if (dp->name == NULL) | |
2586 | { | |
2587 | putop (fgrps[dp->bytemode1][rm], sizeflag); | |
2588 | ||
6608db57 | 2589 | /* Instruction fnstsw is only one with strange arg. */ |
252b5132 RH |
2590 | if (floatop == 0xdf && codep[-1] == 0xe0) |
2591 | strcpy (op1out, names16[0]); | |
2592 | } | |
2593 | else | |
2594 | { | |
2595 | putop (dp->name, sizeflag); | |
2596 | ||
2597 | obufp = op1out; | |
2598 | if (dp->op1) | |
6608db57 | 2599 | (*dp->op1) (dp->bytemode1, sizeflag); |
252b5132 RH |
2600 | obufp = op2out; |
2601 | if (dp->op2) | |
6608db57 | 2602 | (*dp->op2) (dp->bytemode2, sizeflag); |
252b5132 RH |
2603 | } |
2604 | } | |
2605 | ||
252b5132 | 2606 | static void |
26ca5450 | 2607 | OP_ST (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
252b5132 RH |
2608 | { |
2609 | oappend ("%st"); | |
2610 | } | |
2611 | ||
252b5132 | 2612 | static void |
26ca5450 | 2613 | OP_STi (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
252b5132 RH |
2614 | { |
2615 | sprintf (scratchbuf, "%%st(%d)", rm); | |
d708bcba | 2616 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
2617 | } |
2618 | ||
6608db57 | 2619 | /* Capital letters in template are macros. */ |
6439fc28 | 2620 | static int |
26ca5450 | 2621 | putop (const char *template, int sizeflag) |
252b5132 | 2622 | { |
2da11e11 | 2623 | const char *p; |
6439fc28 | 2624 | int alt; |
252b5132 RH |
2625 | |
2626 | for (p = template; *p; p++) | |
2627 | { | |
2628 | switch (*p) | |
2629 | { | |
2630 | default: | |
2631 | *obufp++ = *p; | |
2632 | break; | |
6439fc28 AM |
2633 | case '{': |
2634 | alt = 0; | |
2635 | if (intel_syntax) | |
2636 | alt += 1; | |
2637 | if (mode_64bit) | |
2638 | alt += 2; | |
2639 | while (alt != 0) | |
2640 | { | |
2641 | while (*++p != '|') | |
2642 | { | |
2643 | if (*p == '}') | |
2644 | { | |
2645 | /* Alternative not valid. */ | |
2646 | strcpy (obuf, "(bad)"); | |
2647 | obufp = obuf + 5; | |
2648 | return 1; | |
2649 | } | |
2650 | else if (*p == '\0') | |
2651 | abort (); | |
2652 | } | |
2653 | alt--; | |
2654 | } | |
2655 | break; | |
2656 | case '|': | |
2657 | while (*++p != '}') | |
2658 | { | |
2659 | if (*p == '\0') | |
2660 | abort (); | |
2661 | } | |
2662 | break; | |
2663 | case '}': | |
2664 | break; | |
252b5132 | 2665 | case 'A': |
db6eb5be AM |
2666 | if (intel_syntax) |
2667 | break; | |
e396998b | 2668 | if (mod != 3 || (sizeflag & SUFFIX_ALWAYS)) |
252b5132 RH |
2669 | *obufp++ = 'b'; |
2670 | break; | |
2671 | case 'B': | |
db6eb5be AM |
2672 | if (intel_syntax) |
2673 | break; | |
252b5132 RH |
2674 | if (sizeflag & SUFFIX_ALWAYS) |
2675 | *obufp++ = 'b'; | |
252b5132 RH |
2676 | break; |
2677 | case 'E': /* For jcxz/jecxz */ | |
c1a64871 JH |
2678 | if (mode_64bit) |
2679 | { | |
2680 | if (sizeflag & AFLAG) | |
2681 | *obufp++ = 'r'; | |
2682 | else | |
2683 | *obufp++ = 'e'; | |
2684 | } | |
2685 | else | |
2686 | if (sizeflag & AFLAG) | |
2687 | *obufp++ = 'e'; | |
3ffd33cf AM |
2688 | used_prefixes |= (prefixes & PREFIX_ADDR); |
2689 | break; | |
2690 | case 'F': | |
db6eb5be AM |
2691 | if (intel_syntax) |
2692 | break; | |
e396998b | 2693 | if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS)) |
3ffd33cf AM |
2694 | { |
2695 | if (sizeflag & AFLAG) | |
c1a64871 | 2696 | *obufp++ = mode_64bit ? 'q' : 'l'; |
3ffd33cf | 2697 | else |
c1a64871 | 2698 | *obufp++ = mode_64bit ? 'l' : 'w'; |
3ffd33cf AM |
2699 | used_prefixes |= (prefixes & PREFIX_ADDR); |
2700 | } | |
252b5132 | 2701 | break; |
5dd0794d | 2702 | case 'H': |
db6eb5be AM |
2703 | if (intel_syntax) |
2704 | break; | |
5dd0794d AM |
2705 | if ((prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_CS |
2706 | || (prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_DS) | |
2707 | { | |
2708 | used_prefixes |= prefixes & (PREFIX_CS | PREFIX_DS); | |
2709 | *obufp++ = ','; | |
2710 | *obufp++ = 'p'; | |
2711 | if (prefixes & PREFIX_DS) | |
2712 | *obufp++ = 't'; | |
2713 | else | |
2714 | *obufp++ = 'n'; | |
2715 | } | |
2716 | break; | |
252b5132 | 2717 | case 'L': |
db6eb5be AM |
2718 | if (intel_syntax) |
2719 | break; | |
252b5132 RH |
2720 | if (sizeflag & SUFFIX_ALWAYS) |
2721 | *obufp++ = 'l'; | |
252b5132 RH |
2722 | break; |
2723 | case 'N': | |
2724 | if ((prefixes & PREFIX_FWAIT) == 0) | |
2725 | *obufp++ = 'n'; | |
7d421014 ILT |
2726 | else |
2727 | used_prefixes |= PREFIX_FWAIT; | |
252b5132 | 2728 | break; |
52b15da3 JH |
2729 | case 'O': |
2730 | USED_REX (REX_MODE64); | |
2731 | if (rex & REX_MODE64) | |
6439fc28 | 2732 | *obufp++ = 'o'; |
52b15da3 JH |
2733 | else |
2734 | *obufp++ = 'd'; | |
2735 | break; | |
6439fc28 | 2736 | case 'T': |
db6eb5be AM |
2737 | if (intel_syntax) |
2738 | break; | |
6439fc28 AM |
2739 | if (mode_64bit) |
2740 | { | |
2741 | *obufp++ = 'q'; | |
2742 | break; | |
2743 | } | |
6608db57 | 2744 | /* Fall through. */ |
252b5132 | 2745 | case 'P': |
db6eb5be AM |
2746 | if (intel_syntax) |
2747 | break; | |
252b5132 | 2748 | if ((prefixes & PREFIX_DATA) |
52b15da3 | 2749 | || (rex & REX_MODE64) |
e396998b | 2750 | || (sizeflag & SUFFIX_ALWAYS)) |
252b5132 | 2751 | { |
52b15da3 JH |
2752 | USED_REX (REX_MODE64); |
2753 | if (rex & REX_MODE64) | |
2754 | *obufp++ = 'q'; | |
c2419411 | 2755 | else |
52b15da3 JH |
2756 | { |
2757 | if (sizeflag & DFLAG) | |
2758 | *obufp++ = 'l'; | |
2759 | else | |
2760 | *obufp++ = 'w'; | |
2761 | used_prefixes |= (prefixes & PREFIX_DATA); | |
2762 | } | |
252b5132 RH |
2763 | } |
2764 | break; | |
6439fc28 | 2765 | case 'U': |
db6eb5be AM |
2766 | if (intel_syntax) |
2767 | break; | |
6439fc28 AM |
2768 | if (mode_64bit) |
2769 | { | |
2770 | *obufp++ = 'q'; | |
2771 | break; | |
2772 | } | |
6608db57 | 2773 | /* Fall through. */ |
252b5132 | 2774 | case 'Q': |
db6eb5be AM |
2775 | if (intel_syntax) |
2776 | break; | |
90530880 | 2777 | USED_REX (REX_MODE64); |
e396998b | 2778 | if (mod != 3 || (sizeflag & SUFFIX_ALWAYS)) |
252b5132 | 2779 | { |
52b15da3 JH |
2780 | if (rex & REX_MODE64) |
2781 | *obufp++ = 'q'; | |
252b5132 | 2782 | else |
52b15da3 JH |
2783 | { |
2784 | if (sizeflag & DFLAG) | |
2785 | *obufp++ = 'l'; | |
2786 | else | |
2787 | *obufp++ = 'w'; | |
2788 | used_prefixes |= (prefixes & PREFIX_DATA); | |
2789 | } | |
252b5132 RH |
2790 | } |
2791 | break; | |
2792 | case 'R': | |
52b15da3 | 2793 | USED_REX (REX_MODE64); |
db6eb5be | 2794 | if (intel_syntax) |
c608c12e | 2795 | { |
52b15da3 JH |
2796 | if (rex & REX_MODE64) |
2797 | { | |
2798 | *obufp++ = 'q'; | |
2799 | *obufp++ = 't'; | |
2800 | } | |
2801 | else if (sizeflag & DFLAG) | |
c608c12e AM |
2802 | { |
2803 | *obufp++ = 'd'; | |
2804 | *obufp++ = 'q'; | |
2805 | } | |
2806 | else | |
2807 | { | |
2808 | *obufp++ = 'w'; | |
2809 | *obufp++ = 'd'; | |
2810 | } | |
2811 | } | |
252b5132 | 2812 | else |
c608c12e | 2813 | { |
52b15da3 JH |
2814 | if (rex & REX_MODE64) |
2815 | *obufp++ = 'q'; | |
2816 | else if (sizeflag & DFLAG) | |
c608c12e AM |
2817 | *obufp++ = 'l'; |
2818 | else | |
2819 | *obufp++ = 'w'; | |
2820 | } | |
52b15da3 JH |
2821 | if (!(rex & REX_MODE64)) |
2822 | used_prefixes |= (prefixes & PREFIX_DATA); | |
252b5132 RH |
2823 | break; |
2824 | case 'S': | |
db6eb5be AM |
2825 | if (intel_syntax) |
2826 | break; | |
252b5132 RH |
2827 | if (sizeflag & SUFFIX_ALWAYS) |
2828 | { | |
52b15da3 JH |
2829 | if (rex & REX_MODE64) |
2830 | *obufp++ = 'q'; | |
252b5132 | 2831 | else |
52b15da3 JH |
2832 | { |
2833 | if (sizeflag & DFLAG) | |
2834 | *obufp++ = 'l'; | |
2835 | else | |
2836 | *obufp++ = 'w'; | |
2837 | used_prefixes |= (prefixes & PREFIX_DATA); | |
2838 | } | |
252b5132 | 2839 | } |
252b5132 | 2840 | break; |
041bd2e0 JH |
2841 | case 'X': |
2842 | if (prefixes & PREFIX_DATA) | |
2843 | *obufp++ = 'd'; | |
2844 | else | |
2845 | *obufp++ = 's'; | |
db6eb5be | 2846 | used_prefixes |= (prefixes & PREFIX_DATA); |
041bd2e0 | 2847 | break; |
76f227a5 | 2848 | case 'Y': |
db6eb5be AM |
2849 | if (intel_syntax) |
2850 | break; | |
76f227a5 JH |
2851 | if (rex & REX_MODE64) |
2852 | { | |
2853 | USED_REX (REX_MODE64); | |
2854 | *obufp++ = 'q'; | |
2855 | } | |
2856 | break; | |
52b15da3 | 2857 | /* implicit operand size 'l' for i386 or 'q' for x86-64 */ |
252b5132 | 2858 | case 'W': |
252b5132 | 2859 | /* operand size flag for cwtl, cbtw */ |
52b15da3 JH |
2860 | USED_REX (0); |
2861 | if (rex) | |
2862 | *obufp++ = 'l'; | |
2863 | else if (sizeflag & DFLAG) | |
252b5132 RH |
2864 | *obufp++ = 'w'; |
2865 | else | |
2866 | *obufp++ = 'b'; | |
db6eb5be | 2867 | if (intel_syntax) |
c608c12e | 2868 | { |
52b15da3 JH |
2869 | if (rex) |
2870 | { | |
2871 | *obufp++ = 'q'; | |
2872 | *obufp++ = 'e'; | |
2873 | } | |
c608c12e AM |
2874 | if (sizeflag & DFLAG) |
2875 | { | |
2876 | *obufp++ = 'd'; | |
2877 | *obufp++ = 'e'; | |
2878 | } | |
2879 | else | |
2880 | { | |
2881 | *obufp++ = 'w'; | |
2882 | } | |
2883 | } | |
52b15da3 JH |
2884 | if (!rex) |
2885 | used_prefixes |= (prefixes & PREFIX_DATA); | |
252b5132 RH |
2886 | break; |
2887 | } | |
2888 | } | |
2889 | *obufp = 0; | |
6439fc28 | 2890 | return 0; |
252b5132 RH |
2891 | } |
2892 | ||
2893 | static void | |
26ca5450 | 2894 | oappend (const char *s) |
252b5132 RH |
2895 | { |
2896 | strcpy (obufp, s); | |
2897 | obufp += strlen (s); | |
2898 | } | |
2899 | ||
2900 | static void | |
26ca5450 | 2901 | append_seg (void) |
252b5132 RH |
2902 | { |
2903 | if (prefixes & PREFIX_CS) | |
7d421014 | 2904 | { |
7d421014 | 2905 | used_prefixes |= PREFIX_CS; |
d708bcba | 2906 | oappend ("%cs:" + intel_syntax); |
7d421014 | 2907 | } |
252b5132 | 2908 | if (prefixes & PREFIX_DS) |
7d421014 | 2909 | { |
7d421014 | 2910 | used_prefixes |= PREFIX_DS; |
d708bcba | 2911 | oappend ("%ds:" + intel_syntax); |
7d421014 | 2912 | } |
252b5132 | 2913 | if (prefixes & PREFIX_SS) |
7d421014 | 2914 | { |
7d421014 | 2915 | used_prefixes |= PREFIX_SS; |
d708bcba | 2916 | oappend ("%ss:" + intel_syntax); |
7d421014 | 2917 | } |
252b5132 | 2918 | if (prefixes & PREFIX_ES) |
7d421014 | 2919 | { |
7d421014 | 2920 | used_prefixes |= PREFIX_ES; |
d708bcba | 2921 | oappend ("%es:" + intel_syntax); |
7d421014 | 2922 | } |
252b5132 | 2923 | if (prefixes & PREFIX_FS) |
7d421014 | 2924 | { |
7d421014 | 2925 | used_prefixes |= PREFIX_FS; |
d708bcba | 2926 | oappend ("%fs:" + intel_syntax); |
7d421014 | 2927 | } |
252b5132 | 2928 | if (prefixes & PREFIX_GS) |
7d421014 | 2929 | { |
7d421014 | 2930 | used_prefixes |= PREFIX_GS; |
d708bcba | 2931 | oappend ("%gs:" + intel_syntax); |
7d421014 | 2932 | } |
252b5132 RH |
2933 | } |
2934 | ||
2935 | static void | |
26ca5450 | 2936 | OP_indirE (int bytemode, int sizeflag) |
252b5132 RH |
2937 | { |
2938 | if (!intel_syntax) | |
2939 | oappend ("*"); | |
2940 | OP_E (bytemode, sizeflag); | |
2941 | } | |
2942 | ||
52b15da3 | 2943 | static void |
26ca5450 | 2944 | print_operand_value (char *buf, int hex, bfd_vma disp) |
52b15da3 JH |
2945 | { |
2946 | if (mode_64bit) | |
2947 | { | |
2948 | if (hex) | |
2949 | { | |
2950 | char tmp[30]; | |
2951 | int i; | |
2952 | buf[0] = '0'; | |
2953 | buf[1] = 'x'; | |
2954 | sprintf_vma (tmp, disp); | |
6608db57 | 2955 | for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++); |
52b15da3 JH |
2956 | strcpy (buf + 2, tmp + i); |
2957 | } | |
2958 | else | |
2959 | { | |
2960 | bfd_signed_vma v = disp; | |
2961 | char tmp[30]; | |
2962 | int i; | |
2963 | if (v < 0) | |
2964 | { | |
2965 | *(buf++) = '-'; | |
2966 | v = -disp; | |
6608db57 | 2967 | /* Check for possible overflow on 0x8000000000000000. */ |
52b15da3 JH |
2968 | if (v < 0) |
2969 | { | |
2970 | strcpy (buf, "9223372036854775808"); | |
2971 | return; | |
2972 | } | |
2973 | } | |
2974 | if (!v) | |
2975 | { | |
2976 | strcpy (buf, "0"); | |
2977 | return; | |
2978 | } | |
2979 | ||
2980 | i = 0; | |
2981 | tmp[29] = 0; | |
2982 | while (v) | |
2983 | { | |
6608db57 | 2984 | tmp[28 - i] = (v % 10) + '0'; |
52b15da3 JH |
2985 | v /= 10; |
2986 | i++; | |
2987 | } | |
2988 | strcpy (buf, tmp + 29 - i); | |
2989 | } | |
2990 | } | |
2991 | else | |
2992 | { | |
2993 | if (hex) | |
2994 | sprintf (buf, "0x%x", (unsigned int) disp); | |
2995 | else | |
2996 | sprintf (buf, "%d", (int) disp); | |
2997 | } | |
2998 | } | |
2999 | ||
252b5132 | 3000 | static void |
26ca5450 | 3001 | OP_E (int bytemode, int sizeflag) |
252b5132 | 3002 | { |
52b15da3 JH |
3003 | bfd_vma disp; |
3004 | int add = 0; | |
3005 | int riprel = 0; | |
3006 | USED_REX (REX_EXTZ); | |
3007 | if (rex & REX_EXTZ) | |
3008 | add += 8; | |
252b5132 | 3009 | |
6608db57 | 3010 | /* Skip mod/rm byte. */ |
4bba6815 | 3011 | MODRM_CHECK; |
252b5132 RH |
3012 | codep++; |
3013 | ||
3014 | if (mod == 3) | |
3015 | { | |
3016 | switch (bytemode) | |
3017 | { | |
3018 | case b_mode: | |
52b15da3 JH |
3019 | USED_REX (0); |
3020 | if (rex) | |
3021 | oappend (names8rex[rm + add]); | |
3022 | else | |
3023 | oappend (names8[rm + add]); | |
252b5132 RH |
3024 | break; |
3025 | case w_mode: | |
52b15da3 | 3026 | oappend (names16[rm + add]); |
252b5132 | 3027 | break; |
2da11e11 | 3028 | case d_mode: |
52b15da3 JH |
3029 | oappend (names32[rm + add]); |
3030 | break; | |
3031 | case q_mode: | |
3032 | oappend (names64[rm + add]); | |
3033 | break; | |
3034 | case m_mode: | |
3035 | if (mode_64bit) | |
3036 | oappend (names64[rm + add]); | |
3037 | else | |
3038 | oappend (names32[rm + add]); | |
2da11e11 | 3039 | break; |
252b5132 | 3040 | case v_mode: |
db6eb5be | 3041 | case dq_mode: |
52b15da3 JH |
3042 | USED_REX (REX_MODE64); |
3043 | if (rex & REX_MODE64) | |
3044 | oappend (names64[rm + add]); | |
db6eb5be | 3045 | else if ((sizeflag & DFLAG) || bytemode == dq_mode) |
52b15da3 | 3046 | oappend (names32[rm + add]); |
252b5132 | 3047 | else |
52b15da3 | 3048 | oappend (names16[rm + add]); |
7d421014 | 3049 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 | 3050 | break; |
2da11e11 | 3051 | case 0: |
c608c12e | 3052 | break; |
252b5132 | 3053 | default: |
c608c12e | 3054 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
252b5132 RH |
3055 | break; |
3056 | } | |
3057 | return; | |
3058 | } | |
3059 | ||
3060 | disp = 0; | |
3061 | append_seg (); | |
3062 | ||
c1a64871 | 3063 | if ((sizeflag & AFLAG) || mode_64bit) /* 32 bit address mode */ |
252b5132 RH |
3064 | { |
3065 | int havesib; | |
3066 | int havebase; | |
3067 | int base; | |
3068 | int index = 0; | |
3069 | int scale = 0; | |
3070 | ||
3071 | havesib = 0; | |
3072 | havebase = 1; | |
3073 | base = rm; | |
3074 | ||
3075 | if (base == 4) | |
3076 | { | |
3077 | havesib = 1; | |
3078 | FETCH_DATA (the_info, codep + 1); | |
3079 | scale = (*codep >> 6) & 3; | |
3080 | index = (*codep >> 3) & 7; | |
3081 | base = *codep & 7; | |
52b15da3 JH |
3082 | USED_REX (REX_EXTY); |
3083 | USED_REX (REX_EXTZ); | |
3084 | if (rex & REX_EXTY) | |
3085 | index += 8; | |
3086 | if (rex & REX_EXTZ) | |
3087 | base += 8; | |
252b5132 RH |
3088 | codep++; |
3089 | } | |
3090 | ||
3091 | switch (mod) | |
3092 | { | |
3093 | case 0: | |
52b15da3 | 3094 | if ((base & 7) == 5) |
252b5132 RH |
3095 | { |
3096 | havebase = 0; | |
c1a64871 | 3097 | if (mode_64bit && !havesib && (sizeflag & AFLAG)) |
52b15da3 JH |
3098 | riprel = 1; |
3099 | disp = get32s (); | |
252b5132 RH |
3100 | } |
3101 | break; | |
3102 | case 1: | |
3103 | FETCH_DATA (the_info, codep + 1); | |
3104 | disp = *codep++; | |
3105 | if ((disp & 0x80) != 0) | |
3106 | disp -= 0x100; | |
3107 | break; | |
3108 | case 2: | |
52b15da3 | 3109 | disp = get32s (); |
252b5132 RH |
3110 | break; |
3111 | } | |
3112 | ||
3113 | if (!intel_syntax) | |
db6eb5be AM |
3114 | if (mod != 0 || (base & 7) == 5) |
3115 | { | |
52b15da3 | 3116 | print_operand_value (scratchbuf, !riprel, disp); |
db6eb5be | 3117 | oappend (scratchbuf); |
52b15da3 JH |
3118 | if (riprel) |
3119 | { | |
3120 | set_op (disp, 1); | |
3121 | oappend ("(%rip)"); | |
3122 | } | |
db6eb5be | 3123 | } |
2da11e11 | 3124 | |
252b5132 RH |
3125 | if (havebase || (havesib && (index != 4 || scale != 0))) |
3126 | { | |
db6eb5be AM |
3127 | if (intel_syntax) |
3128 | { | |
3129 | switch (bytemode) | |
3130 | { | |
3131 | case b_mode: | |
3132 | oappend ("BYTE PTR "); | |
3133 | break; | |
3134 | case w_mode: | |
3135 | oappend ("WORD PTR "); | |
3136 | break; | |
3137 | case v_mode: | |
3138 | oappend ("DWORD PTR "); | |
3139 | break; | |
3140 | case d_mode: | |
3141 | oappend ("QWORD PTR "); | |
3142 | break; | |
3143 | case m_mode: | |
52b15da3 JH |
3144 | if (mode_64bit) |
3145 | oappend ("DWORD PTR "); | |
3146 | else | |
3147 | oappend ("QWORD PTR "); | |
3148 | break; | |
db6eb5be AM |
3149 | case x_mode: |
3150 | oappend ("XWORD PTR "); | |
3151 | break; | |
3152 | default: | |
3153 | break; | |
3154 | } | |
3155 | } | |
252b5132 | 3156 | *obufp++ = open_char; |
52b15da3 JH |
3157 | if (intel_syntax && riprel) |
3158 | oappend ("rip + "); | |
db6eb5be | 3159 | *obufp = '\0'; |
52b15da3 JH |
3160 | USED_REX (REX_EXTZ); |
3161 | if (!havesib && (rex & REX_EXTZ)) | |
3162 | base += 8; | |
252b5132 | 3163 | if (havebase) |
c1a64871 JH |
3164 | oappend (mode_64bit && (sizeflag & AFLAG) |
3165 | ? names64[base] : names32[base]); | |
252b5132 RH |
3166 | if (havesib) |
3167 | { | |
3168 | if (index != 4) | |
3169 | { | |
db6eb5be AM |
3170 | if (intel_syntax) |
3171 | { | |
3172 | if (havebase) | |
3173 | { | |
3174 | *obufp++ = separator_char; | |
3175 | *obufp = '\0'; | |
3176 | } | |
3177 | sprintf (scratchbuf, "%s", | |
c1a64871 JH |
3178 | mode_64bit && (sizeflag & AFLAG) |
3179 | ? names64[index] : names32[index]); | |
db6eb5be AM |
3180 | } |
3181 | else | |
d708bcba | 3182 | sprintf (scratchbuf, ",%s", |
c1a64871 JH |
3183 | mode_64bit && (sizeflag & AFLAG) |
3184 | ? names64[index] : names32[index]); | |
252b5132 RH |
3185 | oappend (scratchbuf); |
3186 | } | |
a02a862a | 3187 | if (scale != 0 || (!intel_syntax && index != 4)) |
db6eb5be AM |
3188 | { |
3189 | *obufp++ = scale_char; | |
3190 | *obufp = '\0'; | |
3191 | sprintf (scratchbuf, "%d", 1 << scale); | |
3192 | oappend (scratchbuf); | |
3193 | } | |
252b5132 | 3194 | } |
db6eb5be AM |
3195 | if (intel_syntax) |
3196 | if (mod != 0 || (base & 7) == 5) | |
3197 | { | |
6608db57 | 3198 | /* Don't print zero displacements. */ |
db6eb5be AM |
3199 | if (disp != 0) |
3200 | { | |
d708bcba AM |
3201 | if ((bfd_signed_vma) disp > 0) |
3202 | { | |
3203 | *obufp++ = '+'; | |
3204 | *obufp = '\0'; | |
3205 | } | |
3206 | ||
52b15da3 | 3207 | print_operand_value (scratchbuf, 0, disp); |
db6eb5be AM |
3208 | oappend (scratchbuf); |
3209 | } | |
3210 | } | |
252b5132 RH |
3211 | |
3212 | *obufp++ = close_char; | |
db6eb5be | 3213 | *obufp = '\0'; |
252b5132 RH |
3214 | } |
3215 | else if (intel_syntax) | |
db6eb5be AM |
3216 | { |
3217 | if (mod != 0 || (base & 7) == 5) | |
3218 | { | |
252b5132 RH |
3219 | if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS |
3220 | | PREFIX_ES | PREFIX_FS | PREFIX_GS)) | |
3221 | ; | |
3222 | else | |
3223 | { | |
d708bcba | 3224 | oappend (names_seg[ds_reg - es_reg]); |
252b5132 RH |
3225 | oappend (":"); |
3226 | } | |
52b15da3 | 3227 | print_operand_value (scratchbuf, 1, disp); |
db6eb5be AM |
3228 | oappend (scratchbuf); |
3229 | } | |
3230 | } | |
252b5132 RH |
3231 | } |
3232 | else | |
3233 | { /* 16 bit address mode */ | |
3234 | switch (mod) | |
3235 | { | |
3236 | case 0: | |
52b15da3 | 3237 | if ((rm & 7) == 6) |
252b5132 RH |
3238 | { |
3239 | disp = get16 (); | |
3240 | if ((disp & 0x8000) != 0) | |
3241 | disp -= 0x10000; | |
3242 | } | |
3243 | break; | |
3244 | case 1: | |
3245 | FETCH_DATA (the_info, codep + 1); | |
3246 | disp = *codep++; | |
3247 | if ((disp & 0x80) != 0) | |
3248 | disp -= 0x100; | |
3249 | break; | |
3250 | case 2: | |
3251 | disp = get16 (); | |
3252 | if ((disp & 0x8000) != 0) | |
3253 | disp -= 0x10000; | |
3254 | break; | |
3255 | } | |
3256 | ||
3257 | if (!intel_syntax) | |
db6eb5be AM |
3258 | if (mod != 0 || (rm & 7) == 6) |
3259 | { | |
52b15da3 | 3260 | print_operand_value (scratchbuf, 0, disp); |
db6eb5be AM |
3261 | oappend (scratchbuf); |
3262 | } | |
252b5132 | 3263 | |
52b15da3 | 3264 | if (mod != 0 || (rm & 7) != 6) |
252b5132 RH |
3265 | { |
3266 | *obufp++ = open_char; | |
db6eb5be | 3267 | *obufp = '\0'; |
52b15da3 | 3268 | oappend (index16[rm + add]); |
db6eb5be AM |
3269 | *obufp++ = close_char; |
3270 | *obufp = '\0'; | |
252b5132 RH |
3271 | } |
3272 | } | |
3273 | } | |
3274 | ||
252b5132 | 3275 | static void |
26ca5450 | 3276 | OP_G (int bytemode, int sizeflag) |
252b5132 | 3277 | { |
52b15da3 JH |
3278 | int add = 0; |
3279 | USED_REX (REX_EXTX); | |
3280 | if (rex & REX_EXTX) | |
3281 | add += 8; | |
252b5132 RH |
3282 | switch (bytemode) |
3283 | { | |
3284 | case b_mode: | |
52b15da3 JH |
3285 | USED_REX (0); |
3286 | if (rex) | |
3287 | oappend (names8rex[reg + add]); | |
3288 | else | |
3289 | oappend (names8[reg + add]); | |
252b5132 RH |
3290 | break; |
3291 | case w_mode: | |
52b15da3 | 3292 | oappend (names16[reg + add]); |
252b5132 RH |
3293 | break; |
3294 | case d_mode: | |
52b15da3 JH |
3295 | oappend (names32[reg + add]); |
3296 | break; | |
3297 | case q_mode: | |
3298 | oappend (names64[reg + add]); | |
252b5132 RH |
3299 | break; |
3300 | case v_mode: | |
52b15da3 JH |
3301 | USED_REX (REX_MODE64); |
3302 | if (rex & REX_MODE64) | |
3303 | oappend (names64[reg + add]); | |
3304 | else if (sizeflag & DFLAG) | |
3305 | oappend (names32[reg + add]); | |
252b5132 | 3306 | else |
52b15da3 | 3307 | oappend (names16[reg + add]); |
7d421014 | 3308 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3309 | break; |
3310 | default: | |
3311 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3312 | break; | |
3313 | } | |
3314 | } | |
3315 | ||
52b15da3 | 3316 | static bfd_vma |
26ca5450 | 3317 | get64 (void) |
52b15da3 | 3318 | { |
5dd0794d | 3319 | bfd_vma x; |
52b15da3 | 3320 | #ifdef BFD64 |
5dd0794d AM |
3321 | unsigned int a; |
3322 | unsigned int b; | |
3323 | ||
52b15da3 JH |
3324 | FETCH_DATA (the_info, codep + 8); |
3325 | a = *codep++ & 0xff; | |
3326 | a |= (*codep++ & 0xff) << 8; | |
3327 | a |= (*codep++ & 0xff) << 16; | |
3328 | a |= (*codep++ & 0xff) << 24; | |
5dd0794d | 3329 | b = *codep++ & 0xff; |
52b15da3 JH |
3330 | b |= (*codep++ & 0xff) << 8; |
3331 | b |= (*codep++ & 0xff) << 16; | |
3332 | b |= (*codep++ & 0xff) << 24; | |
3333 | x = a + ((bfd_vma) b << 32); | |
3334 | #else | |
6608db57 | 3335 | abort (); |
5dd0794d | 3336 | x = 0; |
52b15da3 JH |
3337 | #endif |
3338 | return x; | |
3339 | } | |
3340 | ||
3341 | static bfd_signed_vma | |
26ca5450 | 3342 | get32 (void) |
252b5132 | 3343 | { |
52b15da3 | 3344 | bfd_signed_vma x = 0; |
252b5132 RH |
3345 | |
3346 | FETCH_DATA (the_info, codep + 4); | |
52b15da3 JH |
3347 | x = *codep++ & (bfd_signed_vma) 0xff; |
3348 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; | |
3349 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; | |
3350 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; | |
3351 | return x; | |
3352 | } | |
3353 | ||
3354 | static bfd_signed_vma | |
26ca5450 | 3355 | get32s (void) |
52b15da3 JH |
3356 | { |
3357 | bfd_signed_vma x = 0; | |
3358 | ||
3359 | FETCH_DATA (the_info, codep + 4); | |
3360 | x = *codep++ & (bfd_signed_vma) 0xff; | |
3361 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; | |
3362 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; | |
3363 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; | |
3364 | ||
3365 | x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31); | |
3366 | ||
252b5132 RH |
3367 | return x; |
3368 | } | |
3369 | ||
3370 | static int | |
26ca5450 | 3371 | get16 (void) |
252b5132 RH |
3372 | { |
3373 | int x = 0; | |
3374 | ||
3375 | FETCH_DATA (the_info, codep + 2); | |
3376 | x = *codep++ & 0xff; | |
3377 | x |= (*codep++ & 0xff) << 8; | |
3378 | return x; | |
3379 | } | |
3380 | ||
3381 | static void | |
26ca5450 | 3382 | set_op (bfd_vma op, int riprel) |
252b5132 RH |
3383 | { |
3384 | op_index[op_ad] = op_ad; | |
7081ff04 AJ |
3385 | if (mode_64bit) |
3386 | { | |
3387 | op_address[op_ad] = op; | |
3388 | op_riprel[op_ad] = riprel; | |
3389 | } | |
3390 | else | |
3391 | { | |
3392 | /* Mask to get a 32-bit address. */ | |
3393 | op_address[op_ad] = op & 0xffffffff; | |
3394 | op_riprel[op_ad] = riprel & 0xffffffff; | |
3395 | } | |
252b5132 RH |
3396 | } |
3397 | ||
3398 | static void | |
26ca5450 | 3399 | OP_REG (int code, int sizeflag) |
252b5132 | 3400 | { |
2da11e11 | 3401 | const char *s; |
52b15da3 JH |
3402 | int add = 0; |
3403 | USED_REX (REX_EXTZ); | |
3404 | if (rex & REX_EXTZ) | |
3405 | add = 8; | |
3406 | ||
3407 | switch (code) | |
3408 | { | |
3409 | case indir_dx_reg: | |
d708bcba | 3410 | if (intel_syntax) |
db6eb5be | 3411 | s = "[dx]"; |
d708bcba | 3412 | else |
db6eb5be | 3413 | s = "(%dx)"; |
52b15da3 JH |
3414 | break; |
3415 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: | |
3416 | case sp_reg: case bp_reg: case si_reg: case di_reg: | |
3417 | s = names16[code - ax_reg + add]; | |
3418 | break; | |
3419 | case es_reg: case ss_reg: case cs_reg: | |
3420 | case ds_reg: case fs_reg: case gs_reg: | |
3421 | s = names_seg[code - es_reg + add]; | |
3422 | break; | |
3423 | case al_reg: case ah_reg: case cl_reg: case ch_reg: | |
3424 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: | |
3425 | USED_REX (0); | |
3426 | if (rex) | |
3427 | s = names8rex[code - al_reg + add]; | |
3428 | else | |
3429 | s = names8[code - al_reg]; | |
3430 | break; | |
6439fc28 AM |
3431 | case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg: |
3432 | case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg: | |
3433 | if (mode_64bit) | |
3434 | { | |
3435 | s = names64[code - rAX_reg + add]; | |
3436 | break; | |
3437 | } | |
3438 | code += eAX_reg - rAX_reg; | |
6608db57 | 3439 | /* Fall through. */ |
52b15da3 JH |
3440 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: |
3441 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: | |
3442 | USED_REX (REX_MODE64); | |
3443 | if (rex & REX_MODE64) | |
3444 | s = names64[code - eAX_reg + add]; | |
3445 | else if (sizeflag & DFLAG) | |
3446 | s = names32[code - eAX_reg + add]; | |
3447 | else | |
3448 | s = names16[code - eAX_reg + add]; | |
3449 | used_prefixes |= (prefixes & PREFIX_DATA); | |
3450 | break; | |
52b15da3 JH |
3451 | default: |
3452 | s = INTERNAL_DISASSEMBLER_ERROR; | |
3453 | break; | |
3454 | } | |
3455 | oappend (s); | |
3456 | } | |
3457 | ||
3458 | static void | |
26ca5450 | 3459 | OP_IMREG (int code, int sizeflag) |
52b15da3 JH |
3460 | { |
3461 | const char *s; | |
252b5132 RH |
3462 | |
3463 | switch (code) | |
3464 | { | |
3465 | case indir_dx_reg: | |
d708bcba | 3466 | if (intel_syntax) |
db6eb5be | 3467 | s = "[dx]"; |
d708bcba | 3468 | else |
db6eb5be | 3469 | s = "(%dx)"; |
252b5132 RH |
3470 | break; |
3471 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: | |
3472 | case sp_reg: case bp_reg: case si_reg: case di_reg: | |
3473 | s = names16[code - ax_reg]; | |
3474 | break; | |
3475 | case es_reg: case ss_reg: case cs_reg: | |
3476 | case ds_reg: case fs_reg: case gs_reg: | |
3477 | s = names_seg[code - es_reg]; | |
3478 | break; | |
3479 | case al_reg: case ah_reg: case cl_reg: case ch_reg: | |
3480 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: | |
52b15da3 JH |
3481 | USED_REX (0); |
3482 | if (rex) | |
3483 | s = names8rex[code - al_reg]; | |
3484 | else | |
3485 | s = names8[code - al_reg]; | |
252b5132 RH |
3486 | break; |
3487 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: | |
3488 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: | |
52b15da3 JH |
3489 | USED_REX (REX_MODE64); |
3490 | if (rex & REX_MODE64) | |
3491 | s = names64[code - eAX_reg]; | |
3492 | else if (sizeflag & DFLAG) | |
252b5132 RH |
3493 | s = names32[code - eAX_reg]; |
3494 | else | |
3495 | s = names16[code - eAX_reg]; | |
7d421014 | 3496 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3497 | break; |
3498 | default: | |
3499 | s = INTERNAL_DISASSEMBLER_ERROR; | |
3500 | break; | |
3501 | } | |
3502 | oappend (s); | |
3503 | } | |
3504 | ||
3505 | static void | |
26ca5450 | 3506 | OP_I (int bytemode, int sizeflag) |
252b5132 | 3507 | { |
52b15da3 JH |
3508 | bfd_signed_vma op; |
3509 | bfd_signed_vma mask = -1; | |
252b5132 RH |
3510 | |
3511 | switch (bytemode) | |
3512 | { | |
3513 | case b_mode: | |
3514 | FETCH_DATA (the_info, codep + 1); | |
52b15da3 JH |
3515 | op = *codep++; |
3516 | mask = 0xff; | |
3517 | break; | |
3518 | case q_mode: | |
6439fc28 AM |
3519 | if (mode_64bit) |
3520 | { | |
3521 | op = get32s (); | |
3522 | break; | |
3523 | } | |
6608db57 | 3524 | /* Fall through. */ |
252b5132 | 3525 | case v_mode: |
52b15da3 JH |
3526 | USED_REX (REX_MODE64); |
3527 | if (rex & REX_MODE64) | |
3528 | op = get32s (); | |
3529 | else if (sizeflag & DFLAG) | |
3530 | { | |
3531 | op = get32 (); | |
3532 | mask = 0xffffffff; | |
3533 | } | |
252b5132 | 3534 | else |
52b15da3 JH |
3535 | { |
3536 | op = get16 (); | |
3537 | mask = 0xfffff; | |
3538 | } | |
7d421014 | 3539 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3540 | break; |
3541 | case w_mode: | |
52b15da3 | 3542 | mask = 0xfffff; |
252b5132 RH |
3543 | op = get16 (); |
3544 | break; | |
3545 | default: | |
3546 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3547 | return; | |
3548 | } | |
3549 | ||
52b15da3 JH |
3550 | op &= mask; |
3551 | scratchbuf[0] = '$'; | |
d708bcba AM |
3552 | print_operand_value (scratchbuf + 1, 1, op); |
3553 | oappend (scratchbuf + intel_syntax); | |
52b15da3 JH |
3554 | scratchbuf[0] = '\0'; |
3555 | } | |
3556 | ||
3557 | static void | |
26ca5450 | 3558 | OP_I64 (int bytemode, int sizeflag) |
52b15da3 JH |
3559 | { |
3560 | bfd_signed_vma op; | |
3561 | bfd_signed_vma mask = -1; | |
3562 | ||
6439fc28 AM |
3563 | if (!mode_64bit) |
3564 | { | |
3565 | OP_I (bytemode, sizeflag); | |
3566 | return; | |
3567 | } | |
3568 | ||
52b15da3 JH |
3569 | switch (bytemode) |
3570 | { | |
3571 | case b_mode: | |
3572 | FETCH_DATA (the_info, codep + 1); | |
3573 | op = *codep++; | |
3574 | mask = 0xff; | |
3575 | break; | |
3576 | case v_mode: | |
3577 | USED_REX (REX_MODE64); | |
3578 | if (rex & REX_MODE64) | |
3579 | op = get64 (); | |
3580 | else if (sizeflag & DFLAG) | |
3581 | { | |
3582 | op = get32 (); | |
3583 | mask = 0xffffffff; | |
3584 | } | |
3585 | else | |
3586 | { | |
3587 | op = get16 (); | |
3588 | mask = 0xfffff; | |
3589 | } | |
3590 | used_prefixes |= (prefixes & PREFIX_DATA); | |
3591 | break; | |
3592 | case w_mode: | |
3593 | mask = 0xfffff; | |
3594 | op = get16 (); | |
3595 | break; | |
3596 | default: | |
3597 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3598 | return; | |
3599 | } | |
3600 | ||
3601 | op &= mask; | |
3602 | scratchbuf[0] = '$'; | |
d708bcba AM |
3603 | print_operand_value (scratchbuf + 1, 1, op); |
3604 | oappend (scratchbuf + intel_syntax); | |
252b5132 RH |
3605 | scratchbuf[0] = '\0'; |
3606 | } | |
3607 | ||
3608 | static void | |
26ca5450 | 3609 | OP_sI (int bytemode, int sizeflag) |
252b5132 | 3610 | { |
52b15da3 JH |
3611 | bfd_signed_vma op; |
3612 | bfd_signed_vma mask = -1; | |
252b5132 RH |
3613 | |
3614 | switch (bytemode) | |
3615 | { | |
3616 | case b_mode: | |
3617 | FETCH_DATA (the_info, codep + 1); | |
3618 | op = *codep++; | |
3619 | if ((op & 0x80) != 0) | |
3620 | op -= 0x100; | |
52b15da3 | 3621 | mask = 0xffffffff; |
252b5132 RH |
3622 | break; |
3623 | case v_mode: | |
52b15da3 JH |
3624 | USED_REX (REX_MODE64); |
3625 | if (rex & REX_MODE64) | |
3626 | op = get32s (); | |
3627 | else if (sizeflag & DFLAG) | |
3628 | { | |
3629 | op = get32s (); | |
3630 | mask = 0xffffffff; | |
3631 | } | |
252b5132 RH |
3632 | else |
3633 | { | |
52b15da3 | 3634 | mask = 0xffffffff; |
6608db57 | 3635 | op = get16 (); |
252b5132 RH |
3636 | if ((op & 0x8000) != 0) |
3637 | op -= 0x10000; | |
3638 | } | |
7d421014 | 3639 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3640 | break; |
3641 | case w_mode: | |
3642 | op = get16 (); | |
52b15da3 | 3643 | mask = 0xffffffff; |
252b5132 RH |
3644 | if ((op & 0x8000) != 0) |
3645 | op -= 0x10000; | |
3646 | break; | |
3647 | default: | |
3648 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3649 | return; | |
3650 | } | |
52b15da3 JH |
3651 | |
3652 | scratchbuf[0] = '$'; | |
3653 | print_operand_value (scratchbuf + 1, 1, op); | |
d708bcba | 3654 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
3655 | } |
3656 | ||
3657 | static void | |
26ca5450 | 3658 | OP_J (int bytemode, int sizeflag) |
252b5132 | 3659 | { |
52b15da3 | 3660 | bfd_vma disp; |
7081ff04 | 3661 | bfd_vma mask = -1; |
252b5132 RH |
3662 | |
3663 | switch (bytemode) | |
3664 | { | |
3665 | case b_mode: | |
3666 | FETCH_DATA (the_info, codep + 1); | |
3667 | disp = *codep++; | |
3668 | if ((disp & 0x80) != 0) | |
3669 | disp -= 0x100; | |
3670 | break; | |
3671 | case v_mode: | |
3672 | if (sizeflag & DFLAG) | |
52b15da3 | 3673 | disp = get32s (); |
252b5132 RH |
3674 | else |
3675 | { | |
3676 | disp = get16 (); | |
6608db57 | 3677 | /* For some reason, a data16 prefix on a jump instruction |
252b5132 RH |
3678 | means that the pc is masked to 16 bits after the |
3679 | displacement is added! */ | |
3680 | mask = 0xffff; | |
3681 | } | |
3682 | break; | |
3683 | default: | |
3684 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3685 | return; | |
3686 | } | |
3687 | disp = (start_pc + codep - start_codep + disp) & mask; | |
52b15da3 JH |
3688 | set_op (disp, 0); |
3689 | print_operand_value (scratchbuf, 1, disp); | |
252b5132 RH |
3690 | oappend (scratchbuf); |
3691 | } | |
3692 | ||
252b5132 | 3693 | static void |
26ca5450 | 3694 | OP_SEG (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
252b5132 | 3695 | { |
d708bcba | 3696 | oappend (names_seg[reg]); |
252b5132 RH |
3697 | } |
3698 | ||
3699 | static void | |
26ca5450 | 3700 | OP_DIR (int dummy ATTRIBUTE_UNUSED, int sizeflag) |
252b5132 RH |
3701 | { |
3702 | int seg, offset; | |
3703 | ||
c608c12e | 3704 | if (sizeflag & DFLAG) |
252b5132 | 3705 | { |
c608c12e AM |
3706 | offset = get32 (); |
3707 | seg = get16 (); | |
252b5132 | 3708 | } |
c608c12e AM |
3709 | else |
3710 | { | |
3711 | offset = get16 (); | |
3712 | seg = get16 (); | |
3713 | } | |
7d421014 | 3714 | used_prefixes |= (prefixes & PREFIX_DATA); |
d708bcba AM |
3715 | if (intel_syntax) |
3716 | sprintf (scratchbuf, "0x%x,0x%x", seg, offset); | |
3717 | else | |
3718 | sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset); | |
c608c12e | 3719 | oappend (scratchbuf); |
252b5132 RH |
3720 | } |
3721 | ||
252b5132 | 3722 | static void |
26ca5450 | 3723 | OP_OFF (int bytemode ATTRIBUTE_UNUSED, int sizeflag) |
252b5132 | 3724 | { |
52b15da3 | 3725 | bfd_vma off; |
252b5132 RH |
3726 | |
3727 | append_seg (); | |
3728 | ||
c1a64871 | 3729 | if ((sizeflag & AFLAG) || mode_64bit) |
252b5132 RH |
3730 | off = get32 (); |
3731 | else | |
3732 | off = get16 (); | |
3733 | ||
3734 | if (intel_syntax) | |
3735 | { | |
3736 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
db6eb5be | 3737 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) |
252b5132 | 3738 | { |
d708bcba | 3739 | oappend (names_seg[ds_reg - es_reg]); |
252b5132 RH |
3740 | oappend (":"); |
3741 | } | |
3742 | } | |
52b15da3 JH |
3743 | print_operand_value (scratchbuf, 1, off); |
3744 | oappend (scratchbuf); | |
3745 | } | |
6439fc28 | 3746 | |
52b15da3 | 3747 | static void |
26ca5450 | 3748 | OP_OFF64 (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
52b15da3 JH |
3749 | { |
3750 | bfd_vma off; | |
3751 | ||
6439fc28 AM |
3752 | if (!mode_64bit) |
3753 | { | |
3754 | OP_OFF (bytemode, sizeflag); | |
3755 | return; | |
3756 | } | |
3757 | ||
52b15da3 JH |
3758 | append_seg (); |
3759 | ||
6608db57 | 3760 | off = get64 (); |
52b15da3 JH |
3761 | |
3762 | if (intel_syntax) | |
3763 | { | |
3764 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
db6eb5be | 3765 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) |
52b15da3 | 3766 | { |
d708bcba | 3767 | oappend (names_seg[ds_reg - es_reg]); |
52b15da3 JH |
3768 | oappend (":"); |
3769 | } | |
3770 | } | |
3771 | print_operand_value (scratchbuf, 1, off); | |
252b5132 RH |
3772 | oappend (scratchbuf); |
3773 | } | |
3774 | ||
3775 | static void | |
26ca5450 | 3776 | ptr_reg (int code, int sizeflag) |
252b5132 | 3777 | { |
2da11e11 | 3778 | const char *s; |
6608db57 | 3779 | if (intel_syntax) |
d708bcba AM |
3780 | oappend ("["); |
3781 | else | |
3782 | oappend ("("); | |
3783 | ||
52b15da3 JH |
3784 | USED_REX (REX_MODE64); |
3785 | if (rex & REX_MODE64) | |
c1a64871 JH |
3786 | { |
3787 | if (!(sizeflag & AFLAG)) | |
db6eb5be | 3788 | s = names32[code - eAX_reg]; |
c1a64871 | 3789 | else |
db6eb5be | 3790 | s = names64[code - eAX_reg]; |
c1a64871 | 3791 | } |
52b15da3 | 3792 | else if (sizeflag & AFLAG) |
252b5132 RH |
3793 | s = names32[code - eAX_reg]; |
3794 | else | |
3795 | s = names16[code - eAX_reg]; | |
3796 | oappend (s); | |
6608db57 | 3797 | if (intel_syntax) |
d708bcba AM |
3798 | oappend ("]"); |
3799 | else | |
3800 | oappend (")"); | |
252b5132 RH |
3801 | } |
3802 | ||
3803 | static void | |
26ca5450 | 3804 | OP_ESreg (int code, int sizeflag) |
252b5132 | 3805 | { |
d708bcba | 3806 | oappend ("%es:" + intel_syntax); |
252b5132 RH |
3807 | ptr_reg (code, sizeflag); |
3808 | } | |
3809 | ||
3810 | static void | |
26ca5450 | 3811 | OP_DSreg (int code, int sizeflag) |
252b5132 RH |
3812 | { |
3813 | if ((prefixes | |
3814 | & (PREFIX_CS | |
3815 | | PREFIX_DS | |
3816 | | PREFIX_SS | |
3817 | | PREFIX_ES | |
3818 | | PREFIX_FS | |
3819 | | PREFIX_GS)) == 0) | |
3820 | prefixes |= PREFIX_DS; | |
6608db57 | 3821 | append_seg (); |
252b5132 RH |
3822 | ptr_reg (code, sizeflag); |
3823 | } | |
3824 | ||
252b5132 | 3825 | static void |
26ca5450 | 3826 | OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
252b5132 | 3827 | { |
52b15da3 JH |
3828 | int add = 0; |
3829 | USED_REX (REX_EXTX); | |
3830 | if (rex & REX_EXTX) | |
3831 | add = 8; | |
d708bcba AM |
3832 | sprintf (scratchbuf, "%%cr%d", reg + add); |
3833 | oappend (scratchbuf + intel_syntax); | |
252b5132 RH |
3834 | } |
3835 | ||
252b5132 | 3836 | static void |
26ca5450 | 3837 | OP_D (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
252b5132 | 3838 | { |
52b15da3 JH |
3839 | int add = 0; |
3840 | USED_REX (REX_EXTX); | |
3841 | if (rex & REX_EXTX) | |
3842 | add = 8; | |
d708bcba | 3843 | if (intel_syntax) |
6608db57 | 3844 | sprintf (scratchbuf, "db%d", reg + add); |
d708bcba | 3845 | else |
6608db57 | 3846 | sprintf (scratchbuf, "%%db%d", reg + add); |
252b5132 RH |
3847 | oappend (scratchbuf); |
3848 | } | |
3849 | ||
252b5132 | 3850 | static void |
26ca5450 | 3851 | OP_T (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
252b5132 | 3852 | { |
252b5132 | 3853 | sprintf (scratchbuf, "%%tr%d", reg); |
d708bcba | 3854 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
3855 | } |
3856 | ||
3857 | static void | |
26ca5450 | 3858 | OP_Rd (int bytemode, int sizeflag) |
252b5132 | 3859 | { |
2da11e11 AM |
3860 | if (mod == 3) |
3861 | OP_E (bytemode, sizeflag); | |
3862 | else | |
6608db57 | 3863 | BadOp (); |
252b5132 RH |
3864 | } |
3865 | ||
3866 | static void | |
26ca5450 | 3867 | OP_MMX (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
252b5132 | 3868 | { |
041bd2e0 JH |
3869 | int add = 0; |
3870 | USED_REX (REX_EXTX); | |
3871 | if (rex & REX_EXTX) | |
3872 | add = 8; | |
3873 | used_prefixes |= (prefixes & PREFIX_DATA); | |
3874 | if (prefixes & PREFIX_DATA) | |
3875 | sprintf (scratchbuf, "%%xmm%d", reg + add); | |
3876 | else | |
3877 | sprintf (scratchbuf, "%%mm%d", reg + add); | |
d708bcba | 3878 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
3879 | } |
3880 | ||
c608c12e | 3881 | static void |
26ca5450 | 3882 | OP_XMM (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
c608c12e | 3883 | { |
041bd2e0 JH |
3884 | int add = 0; |
3885 | USED_REX (REX_EXTX); | |
3886 | if (rex & REX_EXTX) | |
3887 | add = 8; | |
3888 | sprintf (scratchbuf, "%%xmm%d", reg + add); | |
d708bcba | 3889 | oappend (scratchbuf + intel_syntax); |
c608c12e AM |
3890 | } |
3891 | ||
252b5132 | 3892 | static void |
26ca5450 | 3893 | OP_EM (int bytemode, int sizeflag) |
252b5132 | 3894 | { |
041bd2e0 | 3895 | int add = 0; |
252b5132 RH |
3896 | if (mod != 3) |
3897 | { | |
3898 | OP_E (bytemode, sizeflag); | |
3899 | return; | |
3900 | } | |
041bd2e0 JH |
3901 | USED_REX (REX_EXTZ); |
3902 | if (rex & REX_EXTZ) | |
3903 | add = 8; | |
252b5132 | 3904 | |
6608db57 | 3905 | /* Skip mod/rm byte. */ |
4bba6815 | 3906 | MODRM_CHECK; |
252b5132 | 3907 | codep++; |
041bd2e0 JH |
3908 | used_prefixes |= (prefixes & PREFIX_DATA); |
3909 | if (prefixes & PREFIX_DATA) | |
3910 | sprintf (scratchbuf, "%%xmm%d", rm + add); | |
3911 | else | |
3912 | sprintf (scratchbuf, "%%mm%d", rm + add); | |
d708bcba | 3913 | oappend (scratchbuf + intel_syntax); |
252b5132 RH |
3914 | } |
3915 | ||
c608c12e | 3916 | static void |
26ca5450 | 3917 | OP_EX (int bytemode, int sizeflag) |
c608c12e | 3918 | { |
041bd2e0 | 3919 | int add = 0; |
c608c12e AM |
3920 | if (mod != 3) |
3921 | { | |
3922 | OP_E (bytemode, sizeflag); | |
3923 | return; | |
3924 | } | |
041bd2e0 JH |
3925 | USED_REX (REX_EXTZ); |
3926 | if (rex & REX_EXTZ) | |
3927 | add = 8; | |
c608c12e | 3928 | |
6608db57 | 3929 | /* Skip mod/rm byte. */ |
4bba6815 | 3930 | MODRM_CHECK; |
c608c12e | 3931 | codep++; |
041bd2e0 | 3932 | sprintf (scratchbuf, "%%xmm%d", rm + add); |
d708bcba | 3933 | oappend (scratchbuf + intel_syntax); |
c608c12e AM |
3934 | } |
3935 | ||
252b5132 | 3936 | static void |
26ca5450 | 3937 | OP_MS (int bytemode, int sizeflag) |
252b5132 | 3938 | { |
2da11e11 AM |
3939 | if (mod == 3) |
3940 | OP_EM (bytemode, sizeflag); | |
3941 | else | |
6608db57 | 3942 | BadOp (); |
252b5132 RH |
3943 | } |
3944 | ||
992aaec9 | 3945 | static void |
26ca5450 | 3946 | OP_XS (int bytemode, int sizeflag) |
992aaec9 AM |
3947 | { |
3948 | if (mod == 3) | |
3949 | OP_EX (bytemode, sizeflag); | |
3950 | else | |
6608db57 | 3951 | BadOp (); |
992aaec9 AM |
3952 | } |
3953 | ||
cc0ec051 AM |
3954 | static void |
3955 | OP_M (int bytemode, int sizeflag) | |
3956 | { | |
3957 | if (mod == 3) | |
3958 | BadOp (); /* bad lea,lds,les,lfs,lgs,lss modrm */ | |
3959 | else | |
3960 | OP_E (bytemode, sizeflag); | |
3961 | } | |
3962 | ||
3963 | static void | |
3964 | OP_0f07 (int bytemode, int sizeflag) | |
3965 | { | |
3966 | if (mod != 3 || rm != 0) | |
3967 | BadOp (); | |
3968 | else | |
3969 | OP_E (bytemode, sizeflag); | |
3970 | } | |
3971 | ||
3972 | static void | |
3973 | OP_0fae (int bytemode, int sizeflag) | |
3974 | { | |
3975 | if (mod == 3) | |
3976 | { | |
3977 | if (reg == 7) | |
3978 | strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence"); | |
3979 | ||
3980 | if (reg < 5 || rm != 0) | |
3981 | { | |
3982 | BadOp (); /* bad sfence, mfence, or lfence */ | |
3983 | return; | |
3984 | } | |
3985 | } | |
3986 | else if (reg != 7) | |
3987 | { | |
3988 | BadOp (); /* bad clflush */ | |
3989 | return; | |
3990 | } | |
3991 | ||
3992 | OP_E (bytemode, sizeflag); | |
3993 | } | |
3994 | ||
3995 | static void | |
3996 | NOP_Fixup (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
3997 | { | |
3998 | /* NOP with REPZ prefix is called PAUSE. */ | |
3999 | if (prefixes == PREFIX_REPZ) | |
4000 | strcpy (obuf, "pause"); | |
4001 | } | |
4002 | ||
84037f8c | 4003 | static const char *const Suffix3DNow[] = { |
252b5132 RH |
4004 | /* 00 */ NULL, NULL, NULL, NULL, |
4005 | /* 04 */ NULL, NULL, NULL, NULL, | |
4006 | /* 08 */ NULL, NULL, NULL, NULL, | |
9e525108 | 4007 | /* 0C */ "pi2fw", "pi2fd", NULL, NULL, |
252b5132 RH |
4008 | /* 10 */ NULL, NULL, NULL, NULL, |
4009 | /* 14 */ NULL, NULL, NULL, NULL, | |
4010 | /* 18 */ NULL, NULL, NULL, NULL, | |
9e525108 | 4011 | /* 1C */ "pf2iw", "pf2id", NULL, NULL, |
252b5132 RH |
4012 | /* 20 */ NULL, NULL, NULL, NULL, |
4013 | /* 24 */ NULL, NULL, NULL, NULL, | |
4014 | /* 28 */ NULL, NULL, NULL, NULL, | |
4015 | /* 2C */ NULL, NULL, NULL, NULL, | |
4016 | /* 30 */ NULL, NULL, NULL, NULL, | |
4017 | /* 34 */ NULL, NULL, NULL, NULL, | |
4018 | /* 38 */ NULL, NULL, NULL, NULL, | |
4019 | /* 3C */ NULL, NULL, NULL, NULL, | |
4020 | /* 40 */ NULL, NULL, NULL, NULL, | |
4021 | /* 44 */ NULL, NULL, NULL, NULL, | |
4022 | /* 48 */ NULL, NULL, NULL, NULL, | |
4023 | /* 4C */ NULL, NULL, NULL, NULL, | |
4024 | /* 50 */ NULL, NULL, NULL, NULL, | |
4025 | /* 54 */ NULL, NULL, NULL, NULL, | |
4026 | /* 58 */ NULL, NULL, NULL, NULL, | |
4027 | /* 5C */ NULL, NULL, NULL, NULL, | |
4028 | /* 60 */ NULL, NULL, NULL, NULL, | |
4029 | /* 64 */ NULL, NULL, NULL, NULL, | |
4030 | /* 68 */ NULL, NULL, NULL, NULL, | |
4031 | /* 6C */ NULL, NULL, NULL, NULL, | |
4032 | /* 70 */ NULL, NULL, NULL, NULL, | |
4033 | /* 74 */ NULL, NULL, NULL, NULL, | |
4034 | /* 78 */ NULL, NULL, NULL, NULL, | |
4035 | /* 7C */ NULL, NULL, NULL, NULL, | |
4036 | /* 80 */ NULL, NULL, NULL, NULL, | |
4037 | /* 84 */ NULL, NULL, NULL, NULL, | |
9e525108 AM |
4038 | /* 88 */ NULL, NULL, "pfnacc", NULL, |
4039 | /* 8C */ NULL, NULL, "pfpnacc", NULL, | |
252b5132 RH |
4040 | /* 90 */ "pfcmpge", NULL, NULL, NULL, |
4041 | /* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt", | |
4042 | /* 98 */ NULL, NULL, "pfsub", NULL, | |
4043 | /* 9C */ NULL, NULL, "pfadd", NULL, | |
4044 | /* A0 */ "pfcmpgt", NULL, NULL, NULL, | |
4045 | /* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1", | |
4046 | /* A8 */ NULL, NULL, "pfsubr", NULL, | |
4047 | /* AC */ NULL, NULL, "pfacc", NULL, | |
4048 | /* B0 */ "pfcmpeq", NULL, NULL, NULL, | |
4049 | /* B4 */ "pfmul", NULL, "pfrcpit2", "pfmulhrw", | |
9e525108 | 4050 | /* B8 */ NULL, NULL, NULL, "pswapd", |
252b5132 RH |
4051 | /* BC */ NULL, NULL, NULL, "pavgusb", |
4052 | /* C0 */ NULL, NULL, NULL, NULL, | |
4053 | /* C4 */ NULL, NULL, NULL, NULL, | |
4054 | /* C8 */ NULL, NULL, NULL, NULL, | |
4055 | /* CC */ NULL, NULL, NULL, NULL, | |
4056 | /* D0 */ NULL, NULL, NULL, NULL, | |
4057 | /* D4 */ NULL, NULL, NULL, NULL, | |
4058 | /* D8 */ NULL, NULL, NULL, NULL, | |
4059 | /* DC */ NULL, NULL, NULL, NULL, | |
4060 | /* E0 */ NULL, NULL, NULL, NULL, | |
4061 | /* E4 */ NULL, NULL, NULL, NULL, | |
4062 | /* E8 */ NULL, NULL, NULL, NULL, | |
4063 | /* EC */ NULL, NULL, NULL, NULL, | |
4064 | /* F0 */ NULL, NULL, NULL, NULL, | |
4065 | /* F4 */ NULL, NULL, NULL, NULL, | |
4066 | /* F8 */ NULL, NULL, NULL, NULL, | |
4067 | /* FC */ NULL, NULL, NULL, NULL, | |
4068 | }; | |
4069 | ||
4070 | static void | |
26ca5450 | 4071 | OP_3DNowSuffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
252b5132 RH |
4072 | { |
4073 | const char *mnemonic; | |
4074 | ||
4075 | FETCH_DATA (the_info, codep + 1); | |
4076 | /* AMD 3DNow! instructions are specified by an opcode suffix in the | |
4077 | place where an 8-bit immediate would normally go. ie. the last | |
4078 | byte of the instruction. */ | |
6608db57 | 4079 | obufp = obuf + strlen (obuf); |
c608c12e | 4080 | mnemonic = Suffix3DNow[*codep++ & 0xff]; |
252b5132 | 4081 | if (mnemonic) |
2da11e11 | 4082 | oappend (mnemonic); |
252b5132 RH |
4083 | else |
4084 | { | |
4085 | /* Since a variable sized modrm/sib chunk is between the start | |
4086 | of the opcode (0x0f0f) and the opcode suffix, we need to do | |
4087 | all the modrm processing first, and don't know until now that | |
4088 | we have a bad opcode. This necessitates some cleaning up. */ | |
2da11e11 AM |
4089 | op1out[0] = '\0'; |
4090 | op2out[0] = '\0'; | |
6608db57 | 4091 | BadOp (); |
252b5132 RH |
4092 | } |
4093 | } | |
c608c12e | 4094 | |
6608db57 | 4095 | static const char *simd_cmp_op[] = { |
c608c12e AM |
4096 | "eq", |
4097 | "lt", | |
4098 | "le", | |
4099 | "unord", | |
4100 | "neq", | |
4101 | "nlt", | |
4102 | "nle", | |
4103 | "ord" | |
4104 | }; | |
4105 | ||
4106 | static void | |
26ca5450 | 4107 | OP_SIMD_Suffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
c608c12e AM |
4108 | { |
4109 | unsigned int cmp_type; | |
4110 | ||
4111 | FETCH_DATA (the_info, codep + 1); | |
6608db57 | 4112 | obufp = obuf + strlen (obuf); |
c608c12e AM |
4113 | cmp_type = *codep++ & 0xff; |
4114 | if (cmp_type < 8) | |
4115 | { | |
041bd2e0 JH |
4116 | char suffix1 = 'p', suffix2 = 's'; |
4117 | used_prefixes |= (prefixes & PREFIX_REPZ); | |
4118 | if (prefixes & PREFIX_REPZ) | |
4119 | suffix1 = 's'; | |
4120 | else | |
4121 | { | |
4122 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4123 | if (prefixes & PREFIX_DATA) | |
4124 | suffix2 = 'd'; | |
4125 | else | |
4126 | { | |
4127 | used_prefixes |= (prefixes & PREFIX_REPNZ); | |
4128 | if (prefixes & PREFIX_REPNZ) | |
4129 | suffix1 = 's', suffix2 = 'd'; | |
4130 | } | |
4131 | } | |
4132 | sprintf (scratchbuf, "cmp%s%c%c", | |
4133 | simd_cmp_op[cmp_type], suffix1, suffix2); | |
7d421014 | 4134 | used_prefixes |= (prefixes & PREFIX_REPZ); |
2da11e11 | 4135 | oappend (scratchbuf); |
c608c12e AM |
4136 | } |
4137 | else | |
4138 | { | |
4139 | /* We have a bad extension byte. Clean up. */ | |
2da11e11 AM |
4140 | op1out[0] = '\0'; |
4141 | op2out[0] = '\0'; | |
6608db57 | 4142 | BadOp (); |
c608c12e AM |
4143 | } |
4144 | } | |
4145 | ||
4146 | static void | |
26ca5450 | 4147 | SIMD_Fixup (int extrachar, int sizeflag ATTRIBUTE_UNUSED) |
c608c12e AM |
4148 | { |
4149 | /* Change movlps/movhps to movhlps/movlhps for 2 register operand | |
4150 | forms of these instructions. */ | |
4151 | if (mod == 3) | |
4152 | { | |
6608db57 KH |
4153 | char *p = obuf + strlen (obuf); |
4154 | *(p + 1) = '\0'; | |
4155 | *p = *(p - 1); | |
4156 | *(p - 1) = *(p - 2); | |
4157 | *(p - 2) = *(p - 3); | |
4158 | *(p - 3) = extrachar; | |
c608c12e AM |
4159 | } |
4160 | } | |
2da11e11 | 4161 | |
ca164297 | 4162 | static void |
4fd61dcb | 4163 | PNI_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag) |
ca164297 L |
4164 | { |
4165 | if (mod == 3 && reg == 1) | |
4166 | { | |
4167 | char *p = obuf + strlen (obuf); | |
4168 | ||
4169 | /* Override "sidt". */ | |
4170 | if (rm) | |
4171 | { | |
4172 | /* mwait %eax,%ecx */ | |
4173 | strcpy (p - 4, "mwait %eax,%ecx"); | |
4174 | } | |
4175 | else | |
4176 | { | |
4177 | /* monitor %eax,%ecx,%edx" */ | |
4178 | strcpy (p - 4, "monitor %eax,%ecx,%edx"); | |
4179 | } | |
4180 | ||
4181 | codep++; | |
4182 | } | |
4183 | else | |
4184 | OP_E (0, sizeflag); | |
4185 | } | |
4186 | ||
4fd61dcb JJ |
4187 | static void |
4188 | INVLPG_Fixup (int bytemode, int sizeflag) | |
4189 | { | |
4190 | if (*codep == 0xf8) | |
4191 | { | |
4192 | char *p = obuf + strlen (obuf); | |
4193 | ||
4194 | /* Override "invlpg". */ | |
4195 | strcpy (p - 6, "swapgs"); | |
4196 | codep++; | |
4197 | } | |
4198 | else | |
4199 | OP_E (bytemode, sizeflag); | |
4200 | } | |
4201 | ||
6608db57 KH |
4202 | static void |
4203 | BadOp (void) | |
2da11e11 | 4204 | { |
6608db57 KH |
4205 | /* Throw away prefixes and 1st. opcode byte. */ |
4206 | codep = insn_codep + 1; | |
2da11e11 AM |
4207 | oappend ("(bad)"); |
4208 | } |