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