| 1 | /* Print i386 instructions for GDB, the GNU debugger. |
| 2 | Copyright (C) 1988, 89, 91, 93, 94, 95, 96, 97, 98, 1999 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | /* |
| 22 | * 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu) |
| 23 | * July 1988 |
| 24 | * modified by John Hassey (hassey@dg-rtp.dg.com) |
| 25 | */ |
| 26 | |
| 27 | /* |
| 28 | * The main tables describing the instructions is essentially a copy |
| 29 | * of the "Opcode Map" chapter (Appendix A) of the Intel 80386 |
| 30 | * Programmers Manual. Usually, there is a capital letter, followed |
| 31 | * by a small letter. The capital letter tell the addressing mode, |
| 32 | * and the small letter tells about the operand size. Refer to |
| 33 | * the Intel manual for details. |
| 34 | */ |
| 35 | |
| 36 | #include "dis-asm.h" |
| 37 | #include "sysdep.h" |
| 38 | #include "opintl.h" |
| 39 | |
| 40 | #define MAXLEN 20 |
| 41 | |
| 42 | #include <setjmp.h> |
| 43 | |
| 44 | #ifndef UNIXWARE_COMPAT |
| 45 | /* Set non-zero for broken, compatible instructions. Set to zero for |
| 46 | non-broken opcodes. */ |
| 47 | #define UNIXWARE_COMPAT 1 |
| 48 | #endif |
| 49 | |
| 50 | static int fetch_data PARAMS ((struct disassemble_info *, bfd_byte *)); |
| 51 | |
| 52 | struct dis_private |
| 53 | { |
| 54 | /* Points to first byte not fetched. */ |
| 55 | bfd_byte *max_fetched; |
| 56 | bfd_byte the_buffer[MAXLEN]; |
| 57 | bfd_vma insn_start; |
| 58 | jmp_buf bailout; |
| 59 | }; |
| 60 | |
| 61 | /* The opcode for the fwait instruction, which we treat as a prefix |
| 62 | when we can. */ |
| 63 | #define FWAIT_OPCODE (0x9b) |
| 64 | |
| 65 | /* Flags for the prefixes for the current instruction. See below. */ |
| 66 | static int prefixes; |
| 67 | |
| 68 | /* Flags for prefixes which we somehow handled when printing the |
| 69 | current instruction. */ |
| 70 | static int used_prefixes; |
| 71 | |
| 72 | /* Flags stored in PREFIXES. */ |
| 73 | #define PREFIX_REPZ 1 |
| 74 | #define PREFIX_REPNZ 2 |
| 75 | #define PREFIX_LOCK 4 |
| 76 | #define PREFIX_CS 8 |
| 77 | #define PREFIX_SS 0x10 |
| 78 | #define PREFIX_DS 0x20 |
| 79 | #define PREFIX_ES 0x40 |
| 80 | #define PREFIX_FS 0x80 |
| 81 | #define PREFIX_GS 0x100 |
| 82 | #define PREFIX_DATA 0x200 |
| 83 | #define PREFIX_ADDR 0x400 |
| 84 | #define PREFIX_FWAIT 0x800 |
| 85 | |
| 86 | /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive) |
| 87 | to ADDR (exclusive) are valid. Returns 1 for success, longjmps |
| 88 | on error. */ |
| 89 | #define FETCH_DATA(info, addr) \ |
| 90 | ((addr) <= ((struct dis_private *)(info->private_data))->max_fetched \ |
| 91 | ? 1 : fetch_data ((info), (addr))) |
| 92 | |
| 93 | static int |
| 94 | fetch_data (info, addr) |
| 95 | struct disassemble_info *info; |
| 96 | bfd_byte *addr; |
| 97 | { |
| 98 | int status; |
| 99 | struct dis_private *priv = (struct dis_private *)info->private_data; |
| 100 | bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer); |
| 101 | |
| 102 | status = (*info->read_memory_func) (start, |
| 103 | priv->max_fetched, |
| 104 | addr - priv->max_fetched, |
| 105 | info); |
| 106 | if (status != 0) |
| 107 | { |
| 108 | /* If we did manage to read at least one byte, then |
| 109 | print_insn_i386 will do something sensible. Otherwise, print |
| 110 | an error. We do that here because this is where we know |
| 111 | STATUS. */ |
| 112 | if (priv->max_fetched == priv->the_buffer) |
| 113 | (*info->memory_error_func) (status, start, info); |
| 114 | longjmp (priv->bailout, 1); |
| 115 | } |
| 116 | else |
| 117 | priv->max_fetched = addr; |
| 118 | return 1; |
| 119 | } |
| 120 | |
| 121 | #define XX NULL, 0 |
| 122 | |
| 123 | #define Eb OP_E, b_mode |
| 124 | #define indirEb OP_indirE, b_mode |
| 125 | #define Gb OP_G, b_mode |
| 126 | #define Ev OP_E, v_mode |
| 127 | #define Ed OP_E, d_mode |
| 128 | #define indirEv OP_indirE, v_mode |
| 129 | #define Ew OP_E, w_mode |
| 130 | #define Ma OP_E, v_mode |
| 131 | #define M OP_E, 0 /* lea */ |
| 132 | #define Mp OP_E, 0 /* 32 or 48 bit memory operand for LDS, LES etc */ |
| 133 | #define Gv OP_G, v_mode |
| 134 | #define Gw OP_G, w_mode |
| 135 | #define Rd OP_Rd, d_mode |
| 136 | #define Ib OP_I, b_mode |
| 137 | #define sIb OP_sI, b_mode /* sign extened byte */ |
| 138 | #define Iv OP_I, v_mode |
| 139 | #define Iw OP_I, w_mode |
| 140 | #define Jb OP_J, b_mode |
| 141 | #define Jv OP_J, v_mode |
| 142 | #define Cd OP_C, d_mode |
| 143 | #define Dd OP_D, d_mode |
| 144 | #define Td OP_T, d_mode |
| 145 | |
| 146 | #define eAX OP_REG, eAX_reg |
| 147 | #define eBX OP_REG, eBX_reg |
| 148 | #define eCX OP_REG, eCX_reg |
| 149 | #define eDX OP_REG, eDX_reg |
| 150 | #define eSP OP_REG, eSP_reg |
| 151 | #define eBP OP_REG, eBP_reg |
| 152 | #define eSI OP_REG, eSI_reg |
| 153 | #define eDI OP_REG, eDI_reg |
| 154 | #define AL OP_REG, al_reg |
| 155 | #define CL OP_REG, cl_reg |
| 156 | #define DL OP_REG, dl_reg |
| 157 | #define BL OP_REG, bl_reg |
| 158 | #define AH OP_REG, ah_reg |
| 159 | #define CH OP_REG, ch_reg |
| 160 | #define DH OP_REG, dh_reg |
| 161 | #define BH OP_REG, bh_reg |
| 162 | #define AX OP_REG, ax_reg |
| 163 | #define DX OP_REG, dx_reg |
| 164 | #define indirDX OP_REG, indir_dx_reg |
| 165 | |
| 166 | #define Sw OP_SEG, w_mode |
| 167 | #define Ap OP_DIR, 0 |
| 168 | #define Ob OP_OFF, b_mode |
| 169 | #define Ov OP_OFF, v_mode |
| 170 | #define Xb OP_DSreg, eSI_reg |
| 171 | #define Xv OP_DSreg, eSI_reg |
| 172 | #define Yb OP_ESreg, eDI_reg |
| 173 | #define Yv OP_ESreg, eDI_reg |
| 174 | #define DSBX OP_DSreg, eBX_reg |
| 175 | |
| 176 | #define es OP_REG, es_reg |
| 177 | #define ss OP_REG, ss_reg |
| 178 | #define cs OP_REG, cs_reg |
| 179 | #define ds OP_REG, ds_reg |
| 180 | #define fs OP_REG, fs_reg |
| 181 | #define gs OP_REG, gs_reg |
| 182 | |
| 183 | #define MX OP_MMX, 0 |
| 184 | #define XM OP_XMM, 0 |
| 185 | #define EM OP_EM, v_mode |
| 186 | #define EX OP_EX, v_mode |
| 187 | #define MS OP_MS, v_mode |
| 188 | #define None OP_E, 0 |
| 189 | #define OPSUF OP_3DNowSuffix, 0 |
| 190 | #define OPSIMD OP_SIMD_Suffix, 0 |
| 191 | |
| 192 | /* bits in sizeflag */ |
| 193 | #if 0 /* leave undefined until someone adds the extra flag to objdump */ |
| 194 | #define SUFFIX_ALWAYS 4 |
| 195 | #endif |
| 196 | #define AFLAG 2 |
| 197 | #define DFLAG 1 |
| 198 | |
| 199 | typedef void (*op_rtn) PARAMS ((int bytemode, int sizeflag)); |
| 200 | |
| 201 | static void OP_E PARAMS ((int, int)); |
| 202 | static void OP_G PARAMS ((int, int)); |
| 203 | static void OP_I PARAMS ((int, int)); |
| 204 | static void OP_indirE PARAMS ((int, int)); |
| 205 | static void OP_sI PARAMS ((int, int)); |
| 206 | static void OP_REG PARAMS ((int, int)); |
| 207 | static void OP_J PARAMS ((int, int)); |
| 208 | static void OP_DIR PARAMS ((int, int)); |
| 209 | static void OP_OFF PARAMS ((int, int)); |
| 210 | static void OP_ESreg PARAMS ((int, int)); |
| 211 | static void OP_DSreg PARAMS ((int, int)); |
| 212 | static void OP_SEG PARAMS ((int, int)); |
| 213 | static void OP_C PARAMS ((int, int)); |
| 214 | static void OP_D PARAMS ((int, int)); |
| 215 | static void OP_T PARAMS ((int, int)); |
| 216 | static void OP_Rd PARAMS ((int, int)); |
| 217 | static void OP_ST PARAMS ((int, int)); |
| 218 | static void OP_STi PARAMS ((int, int)); |
| 219 | static void OP_MMX PARAMS ((int, int)); |
| 220 | static void OP_XMM PARAMS ((int, int)); |
| 221 | static void OP_EM PARAMS ((int, int)); |
| 222 | static void OP_EX PARAMS ((int, int)); |
| 223 | static void OP_MS PARAMS ((int, int)); |
| 224 | static void OP_3DNowSuffix PARAMS ((int, int)); |
| 225 | static void OP_SIMD_Suffix PARAMS ((int, int)); |
| 226 | static void SIMD_Fixup PARAMS ((int, int)); |
| 227 | |
| 228 | static void append_seg PARAMS ((void)); |
| 229 | static void set_op PARAMS ((unsigned int op)); |
| 230 | static void putop PARAMS ((const char *template, int sizeflag)); |
| 231 | static void dofloat PARAMS ((int sizeflag)); |
| 232 | static int get16 PARAMS ((void)); |
| 233 | static int get32 PARAMS ((void)); |
| 234 | static void ckprefix PARAMS ((void)); |
| 235 | static const char *prefix_name PARAMS ((int, int)); |
| 236 | static void ptr_reg PARAMS ((int, int)); |
| 237 | static void BadOp PARAMS ((void)); |
| 238 | |
| 239 | #define b_mode 1 |
| 240 | #define v_mode 2 |
| 241 | #define w_mode 3 |
| 242 | #define d_mode 4 |
| 243 | #define x_mode 5 |
| 244 | |
| 245 | #define es_reg 100 |
| 246 | #define cs_reg 101 |
| 247 | #define ss_reg 102 |
| 248 | #define ds_reg 103 |
| 249 | #define fs_reg 104 |
| 250 | #define gs_reg 105 |
| 251 | |
| 252 | #define eAX_reg 108 |
| 253 | #define eCX_reg 109 |
| 254 | #define eDX_reg 110 |
| 255 | #define eBX_reg 111 |
| 256 | #define eSP_reg 112 |
| 257 | #define eBP_reg 113 |
| 258 | #define eSI_reg 114 |
| 259 | #define eDI_reg 115 |
| 260 | |
| 261 | #define al_reg 116 |
| 262 | #define cl_reg 117 |
| 263 | #define dl_reg 118 |
| 264 | #define bl_reg 119 |
| 265 | #define ah_reg 120 |
| 266 | #define ch_reg 121 |
| 267 | #define dh_reg 122 |
| 268 | #define bh_reg 123 |
| 269 | |
| 270 | #define ax_reg 124 |
| 271 | #define cx_reg 125 |
| 272 | #define dx_reg 126 |
| 273 | #define bx_reg 127 |
| 274 | #define sp_reg 128 |
| 275 | #define bp_reg 129 |
| 276 | #define si_reg 130 |
| 277 | #define di_reg 131 |
| 278 | |
| 279 | #define indir_dx_reg 150 |
| 280 | |
| 281 | #define USE_GROUPS 1 |
| 282 | #define USE_PREFIX_USER_TABLE 2 |
| 283 | |
| 284 | #define GRP1b NULL, NULL, 0, NULL, USE_GROUPS, NULL, 0 |
| 285 | #define GRP1S NULL, NULL, 1, NULL, USE_GROUPS, NULL, 0 |
| 286 | #define GRP1Ss NULL, NULL, 2, NULL, USE_GROUPS, NULL, 0 |
| 287 | #define GRP2b NULL, NULL, 3, NULL, USE_GROUPS, NULL, 0 |
| 288 | #define GRP2S NULL, NULL, 4, NULL, USE_GROUPS, NULL, 0 |
| 289 | #define GRP2b_one NULL, NULL, 5, NULL, USE_GROUPS, NULL, 0 |
| 290 | #define GRP2S_one NULL, NULL, 6, NULL, USE_GROUPS, NULL, 0 |
| 291 | #define GRP2b_cl NULL, NULL, 7, NULL, USE_GROUPS, NULL, 0 |
| 292 | #define GRP2S_cl NULL, NULL, 8, NULL, USE_GROUPS, NULL, 0 |
| 293 | #define GRP3b NULL, NULL, 9, NULL, USE_GROUPS, NULL, 0 |
| 294 | #define GRP3S NULL, NULL, 10, NULL, USE_GROUPS, NULL, 0 |
| 295 | #define GRP4 NULL, NULL, 11, NULL, USE_GROUPS, NULL, 0 |
| 296 | #define GRP5 NULL, NULL, 12, NULL, USE_GROUPS, NULL, 0 |
| 297 | #define GRP6 NULL, NULL, 13, NULL, USE_GROUPS, NULL, 0 |
| 298 | #define GRP7 NULL, NULL, 14, NULL, USE_GROUPS, NULL, 0 |
| 299 | #define GRP8 NULL, NULL, 15, NULL, USE_GROUPS, NULL, 0 |
| 300 | #define GRP9 NULL, NULL, 16, NULL, USE_GROUPS, NULL, 0 |
| 301 | #define GRP10 NULL, NULL, 17, NULL, USE_GROUPS, NULL, 0 |
| 302 | #define GRP11 NULL, NULL, 18, NULL, USE_GROUPS, NULL, 0 |
| 303 | #define GRP12 NULL, NULL, 19, NULL, USE_GROUPS, NULL, 0 |
| 304 | #define GRP13 NULL, NULL, 20, NULL, USE_GROUPS, NULL, 0 |
| 305 | #define GRP14 NULL, NULL, 21, NULL, USE_GROUPS, NULL, 0 |
| 306 | #define GRPAMD NULL, NULL, 22, NULL, USE_GROUPS, NULL, 0 |
| 307 | |
| 308 | #define PREGRP0 NULL, NULL, 0, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 309 | #define PREGRP1 NULL, NULL, 1, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 310 | #define PREGRP2 NULL, NULL, 2, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 311 | #define PREGRP3 NULL, NULL, 3, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 312 | #define PREGRP4 NULL, NULL, 4, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 313 | #define PREGRP5 NULL, NULL, 5, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 314 | #define PREGRP6 NULL, NULL, 6, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 315 | #define PREGRP7 NULL, NULL, 7, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 316 | #define PREGRP8 NULL, NULL, 8, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 317 | #define PREGRP9 NULL, NULL, 9, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 318 | #define PREGRP10 NULL, NULL, 10, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 319 | #define PREGRP11 NULL, NULL, 11, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 320 | #define PREGRP12 NULL, NULL, 12, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 321 | #define PREGRP13 NULL, NULL, 13, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 322 | #define PREGRP14 NULL, NULL, 14, NULL, USE_PREFIX_USER_TABLE, NULL, 0 |
| 323 | |
| 324 | #define FLOATCODE 50 |
| 325 | #define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0 |
| 326 | |
| 327 | struct dis386 { |
| 328 | const char *name; |
| 329 | op_rtn op1; |
| 330 | int bytemode1; |
| 331 | op_rtn op2; |
| 332 | int bytemode2; |
| 333 | op_rtn op3; |
| 334 | int bytemode3; |
| 335 | }; |
| 336 | |
| 337 | /* Upper case letters in the instruction names here are macros. |
| 338 | 'A' => print 'b' if no register operands or suffix_always is true |
| 339 | 'B' => print 'b' if suffix_always is true |
| 340 | 'E' => print 'e' if 32-bit form of jcxz |
| 341 | 'L' => print 'l' if suffix_always is true |
| 342 | 'N' => print 'n' if instruction has no wait "prefix" |
| 343 | 'P' => print 'w' or 'l' if instruction has an operand size prefix, |
| 344 | or suffix_always is true |
| 345 | 'Q' => print 'w' or 'l' if no register operands or suffix_always is true |
| 346 | 'R' => print 'w' or 'l' ("wd" or "dq" in intel mode) |
| 347 | 'S' => print 'w' or 'l' if suffix_always is true |
| 348 | 'W' => print 'b' or 'w' ("w" or "de" in intel mode) |
| 349 | */ |
| 350 | |
| 351 | static const struct dis386 dis386_att[] = { |
| 352 | /* 00 */ |
| 353 | { "addB", Eb, Gb, XX }, |
| 354 | { "addS", Ev, Gv, XX }, |
| 355 | { "addB", Gb, Eb, XX }, |
| 356 | { "addS", Gv, Ev, XX }, |
| 357 | { "addB", AL, Ib, XX }, |
| 358 | { "addS", eAX, Iv, XX }, |
| 359 | { "pushP", es, XX, XX }, |
| 360 | { "popP", es, XX, XX }, |
| 361 | /* 08 */ |
| 362 | { "orB", Eb, Gb, XX }, |
| 363 | { "orS", Ev, Gv, XX }, |
| 364 | { "orB", Gb, Eb, XX }, |
| 365 | { "orS", Gv, Ev, XX }, |
| 366 | { "orB", AL, Ib, XX }, |
| 367 | { "orS", eAX, Iv, XX }, |
| 368 | { "pushP", cs, XX, XX }, |
| 369 | { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */ |
| 370 | /* 10 */ |
| 371 | { "adcB", Eb, Gb, XX }, |
| 372 | { "adcS", Ev, Gv, XX }, |
| 373 | { "adcB", Gb, Eb, XX }, |
| 374 | { "adcS", Gv, Ev, XX }, |
| 375 | { "adcB", AL, Ib, XX }, |
| 376 | { "adcS", eAX, Iv, XX }, |
| 377 | { "pushP", ss, XX, XX }, |
| 378 | { "popP", ss, XX, XX }, |
| 379 | /* 18 */ |
| 380 | { "sbbB", Eb, Gb, XX }, |
| 381 | { "sbbS", Ev, Gv, XX }, |
| 382 | { "sbbB", Gb, Eb, XX }, |
| 383 | { "sbbS", Gv, Ev, XX }, |
| 384 | { "sbbB", AL, Ib, XX }, |
| 385 | { "sbbS", eAX, Iv, XX }, |
| 386 | { "pushP", ds, XX, XX }, |
| 387 | { "popP", ds, XX, XX }, |
| 388 | /* 20 */ |
| 389 | { "andB", Eb, Gb, XX }, |
| 390 | { "andS", Ev, Gv, XX }, |
| 391 | { "andB", Gb, Eb, XX }, |
| 392 | { "andS", Gv, Ev, XX }, |
| 393 | { "andB", AL, Ib, XX }, |
| 394 | { "andS", eAX, Iv, XX }, |
| 395 | { "(bad)", XX, XX, XX }, /* SEG ES prefix */ |
| 396 | { "daa", XX, XX, XX }, |
| 397 | /* 28 */ |
| 398 | { "subB", Eb, Gb, XX }, |
| 399 | { "subS", Ev, Gv, XX }, |
| 400 | { "subB", Gb, Eb, XX }, |
| 401 | { "subS", Gv, Ev, XX }, |
| 402 | { "subB", AL, Ib, XX }, |
| 403 | { "subS", eAX, Iv, XX }, |
| 404 | { "(bad)", XX, XX, XX }, /* SEG CS prefix */ |
| 405 | { "das", XX, XX, XX }, |
| 406 | /* 30 */ |
| 407 | { "xorB", Eb, Gb, XX }, |
| 408 | { "xorS", Ev, Gv, XX }, |
| 409 | { "xorB", Gb, Eb, XX }, |
| 410 | { "xorS", Gv, Ev, XX }, |
| 411 | { "xorB", AL, Ib, XX }, |
| 412 | { "xorS", eAX, Iv, XX }, |
| 413 | { "(bad)", XX, XX, XX }, /* SEG SS prefix */ |
| 414 | { "aaa", XX, XX, XX }, |
| 415 | /* 38 */ |
| 416 | { "cmpB", Eb, Gb, XX }, |
| 417 | { "cmpS", Ev, Gv, XX }, |
| 418 | { "cmpB", Gb, Eb, XX }, |
| 419 | { "cmpS", Gv, Ev, XX }, |
| 420 | { "cmpB", AL, Ib, XX }, |
| 421 | { "cmpS", eAX, Iv, XX }, |
| 422 | { "(bad)", XX, XX, XX }, /* SEG DS prefix */ |
| 423 | { "aas", XX, XX, XX }, |
| 424 | /* 40 */ |
| 425 | { "incS", eAX, XX, XX }, |
| 426 | { "incS", eCX, XX, XX }, |
| 427 | { "incS", eDX, XX, XX }, |
| 428 | { "incS", eBX, XX, XX }, |
| 429 | { "incS", eSP, XX, XX }, |
| 430 | { "incS", eBP, XX, XX }, |
| 431 | { "incS", eSI, XX, XX }, |
| 432 | { "incS", eDI, XX, XX }, |
| 433 | /* 48 */ |
| 434 | { "decS", eAX, XX, XX }, |
| 435 | { "decS", eCX, XX, XX }, |
| 436 | { "decS", eDX, XX, XX }, |
| 437 | { "decS", eBX, XX, XX }, |
| 438 | { "decS", eSP, XX, XX }, |
| 439 | { "decS", eBP, XX, XX }, |
| 440 | { "decS", eSI, XX, XX }, |
| 441 | { "decS", eDI, XX, XX }, |
| 442 | /* 50 */ |
| 443 | { "pushS", eAX, XX, XX }, |
| 444 | { "pushS", eCX, XX, XX }, |
| 445 | { "pushS", eDX, XX, XX }, |
| 446 | { "pushS", eBX, XX, XX }, |
| 447 | { "pushS", eSP, XX, XX }, |
| 448 | { "pushS", eBP, XX, XX }, |
| 449 | { "pushS", eSI, XX, XX }, |
| 450 | { "pushS", eDI, XX, XX }, |
| 451 | /* 58 */ |
| 452 | { "popS", eAX, XX, XX }, |
| 453 | { "popS", eCX, XX, XX }, |
| 454 | { "popS", eDX, XX, XX }, |
| 455 | { "popS", eBX, XX, XX }, |
| 456 | { "popS", eSP, XX, XX }, |
| 457 | { "popS", eBP, XX, XX }, |
| 458 | { "popS", eSI, XX, XX }, |
| 459 | { "popS", eDI, XX, XX }, |
| 460 | /* 60 */ |
| 461 | { "pushaP", XX, XX, XX }, |
| 462 | { "popaP", XX, XX, XX }, |
| 463 | { "boundS", Gv, Ma, XX }, |
| 464 | { "arpl", Ew, Gw, XX }, |
| 465 | { "(bad)", XX, XX, XX }, /* seg fs */ |
| 466 | { "(bad)", XX, XX, XX }, /* seg gs */ |
| 467 | { "(bad)", XX, XX, XX }, /* op size prefix */ |
| 468 | { "(bad)", XX, XX, XX }, /* adr size prefix */ |
| 469 | /* 68 */ |
| 470 | { "pushP", Iv, XX, XX }, /* 386 book wrong */ |
| 471 | { "imulS", Gv, Ev, Iv }, |
| 472 | { "pushP", sIb, XX, XX }, /* push of byte really pushes 2 or 4 bytes */ |
| 473 | { "imulS", Gv, Ev, sIb }, |
| 474 | { "insb", Yb, indirDX, XX }, |
| 475 | { "insR", Yv, indirDX, XX }, |
| 476 | { "outsb", indirDX, Xb, XX }, |
| 477 | { "outsR", indirDX, Xv, XX }, |
| 478 | /* 70 */ |
| 479 | { "jo", Jb, XX, XX }, |
| 480 | { "jno", Jb, XX, XX }, |
| 481 | { "jb", Jb, XX, XX }, |
| 482 | { "jae", Jb, XX, XX }, |
| 483 | { "je", Jb, XX, XX }, |
| 484 | { "jne", Jb, XX, XX }, |
| 485 | { "jbe", Jb, XX, XX }, |
| 486 | { "ja", Jb, XX, XX }, |
| 487 | /* 78 */ |
| 488 | { "js", Jb, XX, XX }, |
| 489 | { "jns", Jb, XX, XX }, |
| 490 | { "jp", Jb, XX, XX }, |
| 491 | { "jnp", Jb, XX, XX }, |
| 492 | { "jl", Jb, XX, XX }, |
| 493 | { "jge", Jb, XX, XX }, |
| 494 | { "jle", Jb, XX, XX }, |
| 495 | { "jg", Jb, XX, XX }, |
| 496 | /* 80 */ |
| 497 | { GRP1b }, |
| 498 | { GRP1S }, |
| 499 | { "(bad)", XX, XX, XX }, |
| 500 | { GRP1Ss }, |
| 501 | { "testB", Eb, Gb, XX }, |
| 502 | { "testS", Ev, Gv, XX }, |
| 503 | { "xchgB", Eb, Gb, XX }, |
| 504 | { "xchgS", Ev, Gv, XX }, |
| 505 | /* 88 */ |
| 506 | { "movB", Eb, Gb, XX }, |
| 507 | { "movS", Ev, Gv, XX }, |
| 508 | { "movB", Gb, Eb, XX }, |
| 509 | { "movS", Gv, Ev, XX }, |
| 510 | { "movQ", Ev, Sw, XX }, |
| 511 | { "leaS", Gv, M, XX }, |
| 512 | { "movQ", Sw, Ev, XX }, |
| 513 | { "popQ", Ev, XX, XX }, |
| 514 | /* 90 */ |
| 515 | { "nop", XX, XX, XX }, |
| 516 | { "xchgS", eCX, eAX, XX }, |
| 517 | { "xchgS", eDX, eAX, XX }, |
| 518 | { "xchgS", eBX, eAX, XX }, |
| 519 | { "xchgS", eSP, eAX, XX }, |
| 520 | { "xchgS", eBP, eAX, XX }, |
| 521 | { "xchgS", eSI, eAX, XX }, |
| 522 | { "xchgS", eDI, eAX, XX }, |
| 523 | /* 98 */ |
| 524 | { "cWtR", XX, XX, XX }, |
| 525 | { "cRtd", XX, XX, XX }, |
| 526 | { "lcallP", Ap, XX, XX }, |
| 527 | { "(bad)", XX, XX, XX }, /* fwait */ |
| 528 | { "pushfP", XX, XX, XX }, |
| 529 | { "popfP", XX, XX, XX }, |
| 530 | { "sahf", XX, XX, XX }, |
| 531 | { "lahf", XX, XX, XX }, |
| 532 | /* a0 */ |
| 533 | { "movB", AL, Ob, XX }, |
| 534 | { "movS", eAX, Ov, XX }, |
| 535 | { "movB", Ob, AL, XX }, |
| 536 | { "movS", Ov, eAX, XX }, |
| 537 | { "movsb", Yb, Xb, XX }, |
| 538 | { "movsR", Yv, Xv, XX }, |
| 539 | { "cmpsb", Xb, Yb, XX }, |
| 540 | { "cmpsR", Xv, Yv, XX }, |
| 541 | /* a8 */ |
| 542 | { "testB", AL, Ib, XX }, |
| 543 | { "testS", eAX, Iv, XX }, |
| 544 | { "stosB", Yb, AL, XX }, |
| 545 | { "stosS", Yv, eAX, XX }, |
| 546 | { "lodsB", AL, Xb, XX }, |
| 547 | { "lodsS", eAX, Xv, XX }, |
| 548 | { "scasB", AL, Yb, XX }, |
| 549 | { "scasS", eAX, Yv, XX }, |
| 550 | /* b0 */ |
| 551 | { "movB", AL, Ib, XX }, |
| 552 | { "movB", CL, Ib, XX }, |
| 553 | { "movB", DL, Ib, XX }, |
| 554 | { "movB", BL, Ib, XX }, |
| 555 | { "movB", AH, Ib, XX }, |
| 556 | { "movB", CH, Ib, XX }, |
| 557 | { "movB", DH, Ib, XX }, |
| 558 | { "movB", BH, Ib, XX }, |
| 559 | /* b8 */ |
| 560 | { "movS", eAX, Iv, XX }, |
| 561 | { "movS", eCX, Iv, XX }, |
| 562 | { "movS", eDX, Iv, XX }, |
| 563 | { "movS", eBX, Iv, XX }, |
| 564 | { "movS", eSP, Iv, XX }, |
| 565 | { "movS", eBP, Iv, XX }, |
| 566 | { "movS", eSI, Iv, XX }, |
| 567 | { "movS", eDI, Iv, XX }, |
| 568 | /* c0 */ |
| 569 | { GRP2b }, |
| 570 | { GRP2S }, |
| 571 | { "retP", Iw, XX, XX }, |
| 572 | { "retP", XX, XX, XX }, |
| 573 | { "lesS", Gv, Mp, XX }, |
| 574 | { "ldsS", Gv, Mp, XX }, |
| 575 | { "movA", Eb, Ib, XX }, |
| 576 | { "movQ", Ev, Iv, XX }, |
| 577 | /* c8 */ |
| 578 | { "enterP", Iw, Ib, XX }, |
| 579 | { "leaveP", XX, XX, XX }, |
| 580 | { "lretP", Iw, XX, XX }, |
| 581 | { "lretP", XX, XX, XX }, |
| 582 | { "int3", XX, XX, XX }, |
| 583 | { "int", Ib, XX, XX }, |
| 584 | { "into", XX, XX, XX}, |
| 585 | { "iretP", XX, XX, XX }, |
| 586 | /* d0 */ |
| 587 | { GRP2b_one }, |
| 588 | { GRP2S_one }, |
| 589 | { GRP2b_cl }, |
| 590 | { GRP2S_cl }, |
| 591 | { "aam", sIb, XX, XX }, |
| 592 | { "aad", sIb, XX, XX }, |
| 593 | { "(bad)", XX, XX, XX }, |
| 594 | { "xlat", DSBX, XX, XX }, |
| 595 | /* d8 */ |
| 596 | { FLOAT }, |
| 597 | { FLOAT }, |
| 598 | { FLOAT }, |
| 599 | { FLOAT }, |
| 600 | { FLOAT }, |
| 601 | { FLOAT }, |
| 602 | { FLOAT }, |
| 603 | { FLOAT }, |
| 604 | /* e0 */ |
| 605 | { "loopne", Jb, XX, XX }, |
| 606 | { "loope", Jb, XX, XX }, |
| 607 | { "loop", Jb, XX, XX }, |
| 608 | { "jEcxz", Jb, XX, XX }, |
| 609 | { "inB", AL, Ib, XX }, |
| 610 | { "inS", eAX, Ib, XX }, |
| 611 | { "outB", Ib, AL, XX }, |
| 612 | { "outS", Ib, eAX, XX }, |
| 613 | /* e8 */ |
| 614 | { "callP", Jv, XX, XX }, |
| 615 | { "jmpP", Jv, XX, XX }, |
| 616 | { "ljmpP", Ap, XX, XX }, |
| 617 | { "jmp", Jb, XX, XX }, |
| 618 | { "inB", AL, indirDX, XX }, |
| 619 | { "inS", eAX, indirDX, XX }, |
| 620 | { "outB", indirDX, AL, XX }, |
| 621 | { "outS", indirDX, eAX, XX }, |
| 622 | /* f0 */ |
| 623 | { "(bad)", XX, XX, XX }, /* lock prefix */ |
| 624 | { "(bad)", XX, XX, XX }, |
| 625 | { "(bad)", XX, XX, XX }, /* repne */ |
| 626 | { "(bad)", XX, XX, XX }, /* repz */ |
| 627 | { "hlt", XX, XX, XX }, |
| 628 | { "cmc", XX, XX, XX }, |
| 629 | { GRP3b }, |
| 630 | { GRP3S }, |
| 631 | /* f8 */ |
| 632 | { "clc", XX, XX, XX }, |
| 633 | { "stc", XX, XX, XX }, |
| 634 | { "cli", XX, XX, XX }, |
| 635 | { "sti", XX, XX, XX }, |
| 636 | { "cld", XX, XX, XX }, |
| 637 | { "std", XX, XX, XX }, |
| 638 | { GRP4 }, |
| 639 | { GRP5 }, |
| 640 | }; |
| 641 | |
| 642 | static const struct dis386 dis386_intel[] = { |
| 643 | /* 00 */ |
| 644 | { "add", Eb, Gb, XX }, |
| 645 | { "add", Ev, Gv, XX }, |
| 646 | { "add", Gb, Eb, XX }, |
| 647 | { "add", Gv, Ev, XX }, |
| 648 | { "add", AL, Ib, XX }, |
| 649 | { "add", eAX, Iv, XX }, |
| 650 | { "push", es, XX, XX }, |
| 651 | { "pop", es, XX, XX }, |
| 652 | /* 08 */ |
| 653 | { "or", Eb, Gb, XX }, |
| 654 | { "or", Ev, Gv, XX }, |
| 655 | { "or", Gb, Eb, XX }, |
| 656 | { "or", Gv, Ev, XX }, |
| 657 | { "or", AL, Ib, XX }, |
| 658 | { "or", eAX, Iv, XX }, |
| 659 | { "push", cs, XX, XX }, |
| 660 | { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */ |
| 661 | /* 10 */ |
| 662 | { "adc", Eb, Gb, XX }, |
| 663 | { "adc", Ev, Gv, XX }, |
| 664 | { "adc", Gb, Eb, XX }, |
| 665 | { "adc", Gv, Ev, XX }, |
| 666 | { "adc", AL, Ib, XX }, |
| 667 | { "adc", eAX, Iv, XX }, |
| 668 | { "push", ss, XX, XX }, |
| 669 | { "pop", ss, XX, XX }, |
| 670 | /* 18 */ |
| 671 | { "sbb", Eb, Gb, XX }, |
| 672 | { "sbb", Ev, Gv, XX }, |
| 673 | { "sbb", Gb, Eb, XX }, |
| 674 | { "sbb", Gv, Ev, XX }, |
| 675 | { "sbb", AL, Ib, XX }, |
| 676 | { "sbb", eAX, Iv, XX }, |
| 677 | { "push", ds, XX, XX }, |
| 678 | { "pop", ds, XX, XX }, |
| 679 | /* 20 */ |
| 680 | { "and", Eb, Gb, XX }, |
| 681 | { "and", Ev, Gv, XX }, |
| 682 | { "and", Gb, Eb, XX }, |
| 683 | { "and", Gv, Ev, XX }, |
| 684 | { "and", AL, Ib, XX }, |
| 685 | { "and", eAX, Iv, XX }, |
| 686 | { "(bad)", XX, XX, XX }, /* SEG ES prefix */ |
| 687 | { "daa", XX, XX, XX }, |
| 688 | /* 28 */ |
| 689 | { "sub", Eb, Gb, XX }, |
| 690 | { "sub", Ev, Gv, XX }, |
| 691 | { "sub", Gb, Eb, XX }, |
| 692 | { "sub", Gv, Ev, XX }, |
| 693 | { "sub", AL, Ib, XX }, |
| 694 | { "sub", eAX, Iv, XX }, |
| 695 | { "(bad)", XX, XX, XX }, /* SEG CS prefix */ |
| 696 | { "das", XX, XX, XX }, |
| 697 | /* 30 */ |
| 698 | { "xor", Eb, Gb, XX }, |
| 699 | { "xor", Ev, Gv, XX }, |
| 700 | { "xor", Gb, Eb, XX }, |
| 701 | { "xor", Gv, Ev, XX }, |
| 702 | { "xor", AL, Ib, XX }, |
| 703 | { "xor", eAX, Iv, XX }, |
| 704 | { "(bad)", XX, XX, XX }, /* SEG SS prefix */ |
| 705 | { "aaa", XX, XX, XX }, |
| 706 | /* 38 */ |
| 707 | { "cmp", Eb, Gb, XX }, |
| 708 | { "cmp", Ev, Gv, XX }, |
| 709 | { "cmp", Gb, Eb, XX }, |
| 710 | { "cmp", Gv, Ev, XX }, |
| 711 | { "cmp", AL, Ib, XX }, |
| 712 | { "cmp", eAX, Iv, XX }, |
| 713 | { "(bad)", XX, XX, XX }, /* SEG DS prefix */ |
| 714 | { "aas", XX, XX, XX }, |
| 715 | /* 40 */ |
| 716 | { "inc", eAX, XX, XX }, |
| 717 | { "inc", eCX, XX, XX }, |
| 718 | { "inc", eDX, XX, XX }, |
| 719 | { "inc", eBX, XX, XX }, |
| 720 | { "inc", eSP, XX, XX }, |
| 721 | { "inc", eBP, XX, XX }, |
| 722 | { "inc", eSI, XX, XX }, |
| 723 | { "inc", eDI, XX, XX }, |
| 724 | /* 48 */ |
| 725 | { "dec", eAX, XX, XX }, |
| 726 | { "dec", eCX, XX, XX }, |
| 727 | { "dec", eDX, XX, XX }, |
| 728 | { "dec", eBX, XX, XX }, |
| 729 | { "dec", eSP, XX, XX }, |
| 730 | { "dec", eBP, XX, XX }, |
| 731 | { "dec", eSI, XX, XX }, |
| 732 | { "dec", eDI, XX, XX }, |
| 733 | /* 50 */ |
| 734 | { "push", eAX, XX, XX }, |
| 735 | { "push", eCX, XX, XX }, |
| 736 | { "push", eDX, XX, XX }, |
| 737 | { "push", eBX, XX, XX }, |
| 738 | { "push", eSP, XX, XX }, |
| 739 | { "push", eBP, XX, XX }, |
| 740 | { "push", eSI, XX, XX }, |
| 741 | { "push", eDI, XX, XX }, |
| 742 | /* 58 */ |
| 743 | { "pop", eAX, XX, XX }, |
| 744 | { "pop", eCX, XX, XX }, |
| 745 | { "pop", eDX, XX, XX }, |
| 746 | { "pop", eBX, XX, XX }, |
| 747 | { "pop", eSP, XX, XX }, |
| 748 | { "pop", eBP, XX, XX }, |
| 749 | { "pop", eSI, XX, XX }, |
| 750 | { "pop", eDI, XX, XX }, |
| 751 | /* 60 */ |
| 752 | { "pusha", XX, XX, XX }, |
| 753 | { "popa", XX, XX, XX }, |
| 754 | { "bound", Gv, Ma, XX }, |
| 755 | { "arpl", Ew, Gw, XX }, |
| 756 | { "(bad)", XX, XX, XX }, /* seg fs */ |
| 757 | { "(bad)", XX, XX, XX }, /* seg gs */ |
| 758 | { "(bad)", XX, XX, XX }, /* op size prefix */ |
| 759 | { "(bad)", XX, XX, XX }, /* adr size prefix */ |
| 760 | /* 68 */ |
| 761 | { "push", Iv, XX, XX }, /* 386 book wrong */ |
| 762 | { "imul", Gv, Ev, Iv }, |
| 763 | { "push", sIb, XX, XX }, /* push of byte really pushes 2 or 4 bytes */ |
| 764 | { "imul", Gv, Ev, sIb }, |
| 765 | { "ins", Yb, indirDX, XX }, |
| 766 | { "ins", Yv, indirDX, XX }, |
| 767 | { "outs", indirDX, Xb, XX }, |
| 768 | { "outs", indirDX, Xv, XX }, |
| 769 | /* 70 */ |
| 770 | { "jo", Jb, XX, XX }, |
| 771 | { "jno", Jb, XX, XX }, |
| 772 | { "jb", Jb, XX, XX }, |
| 773 | { "jae", Jb, XX, XX }, |
| 774 | { "je", Jb, XX, XX }, |
| 775 | { "jne", Jb, XX, XX }, |
| 776 | { "jbe", Jb, XX, XX }, |
| 777 | { "ja", Jb, XX, XX }, |
| 778 | /* 78 */ |
| 779 | { "js", Jb, XX, XX }, |
| 780 | { "jns", Jb, XX, XX }, |
| 781 | { "jp", Jb, XX, XX }, |
| 782 | { "jnp", Jb, XX, XX }, |
| 783 | { "jl", Jb, XX, XX }, |
| 784 | { "jge", Jb, XX, XX }, |
| 785 | { "jle", Jb, XX, XX }, |
| 786 | { "jg", Jb, XX, XX }, |
| 787 | /* 80 */ |
| 788 | { GRP1b }, |
| 789 | { GRP1S }, |
| 790 | { "(bad)", XX, XX, XX }, |
| 791 | { GRP1Ss }, |
| 792 | { "test", Eb, Gb, XX }, |
| 793 | { "test", Ev, Gv, XX }, |
| 794 | { "xchg", Eb, Gb, XX }, |
| 795 | { "xchg", Ev, Gv, XX }, |
| 796 | /* 88 */ |
| 797 | { "mov", Eb, Gb, XX }, |
| 798 | { "mov", Ev, Gv, XX }, |
| 799 | { "mov", Gb, Eb, XX }, |
| 800 | { "mov", Gv, Ev, XX }, |
| 801 | { "mov", Ev, Sw, XX }, |
| 802 | { "lea", Gv, M, XX }, |
| 803 | { "mov", Sw, Ev, XX }, |
| 804 | { "pop", Ev, XX, XX }, |
| 805 | /* 90 */ |
| 806 | { "nop", XX, XX, XX }, |
| 807 | { "xchg", eCX, eAX, XX }, |
| 808 | { "xchg", eDX, eAX, XX }, |
| 809 | { "xchg", eBX, eAX, XX }, |
| 810 | { "xchg", eSP, eAX, XX }, |
| 811 | { "xchg", eBP, eAX, XX }, |
| 812 | { "xchg", eSI, eAX, XX }, |
| 813 | { "xchg", eDI, eAX, XX }, |
| 814 | /* 98 */ |
| 815 | { "cW", XX, XX, XX }, /* cwde and cbw */ |
| 816 | { "cR", XX, XX, XX }, /* cdq and cwd */ |
| 817 | { "lcall", Ap, XX, XX }, |
| 818 | { "(bad)", XX, XX, XX }, /* fwait */ |
| 819 | { "pushf", XX, XX, XX }, |
| 820 | { "popf", XX, XX, XX }, |
| 821 | { "sahf", XX, XX, XX }, |
| 822 | { "lahf", XX, XX, XX }, |
| 823 | /* a0 */ |
| 824 | { "mov", AL, Ob, XX }, |
| 825 | { "mov", eAX, Ov, XX }, |
| 826 | { "mov", Ob, AL, XX }, |
| 827 | { "mov", Ov, eAX, XX }, |
| 828 | { "movs", Yb, Xb, XX }, |
| 829 | { "movs", Yv, Xv, XX }, |
| 830 | { "cmps", Xb, Yb, XX }, |
| 831 | { "cmps", Xv, Yv, XX }, |
| 832 | /* a8 */ |
| 833 | { "test", AL, Ib, XX }, |
| 834 | { "test", eAX, Iv, XX }, |
| 835 | { "stos", Yb, AL, XX }, |
| 836 | { "stos", Yv, eAX, XX }, |
| 837 | { "lods", AL, Xb, XX }, |
| 838 | { "lods", eAX, Xv, XX }, |
| 839 | { "scas", AL, Yb, XX }, |
| 840 | { "scas", eAX, Yv, XX }, |
| 841 | /* b0 */ |
| 842 | { "mov", AL, Ib, XX }, |
| 843 | { "mov", CL, Ib, XX }, |
| 844 | { "mov", DL, Ib, XX }, |
| 845 | { "mov", BL, Ib, XX }, |
| 846 | { "mov", AH, Ib, XX }, |
| 847 | { "mov", CH, Ib, XX }, |
| 848 | { "mov", DH, Ib, XX }, |
| 849 | { "mov", BH, Ib, XX }, |
| 850 | /* b8 */ |
| 851 | { "mov", eAX, Iv, XX }, |
| 852 | { "mov", eCX, Iv, XX }, |
| 853 | { "mov", eDX, Iv, XX }, |
| 854 | { "mov", eBX, Iv, XX }, |
| 855 | { "mov", eSP, Iv, XX }, |
| 856 | { "mov", eBP, Iv, XX }, |
| 857 | { "mov", eSI, Iv, XX }, |
| 858 | { "mov", eDI, Iv, XX }, |
| 859 | /* c0 */ |
| 860 | { GRP2b }, |
| 861 | { GRP2S }, |
| 862 | { "ret", Iw, XX, XX }, |
| 863 | { "ret", XX, XX, XX }, |
| 864 | { "les", Gv, Mp, XX }, |
| 865 | { "lds", Gv, Mp, XX }, |
| 866 | { "mov", Eb, Ib, XX }, |
| 867 | { "mov", Ev, Iv, XX }, |
| 868 | /* c8 */ |
| 869 | { "enter", Iw, Ib, XX }, |
| 870 | { "leave", XX, XX, XX }, |
| 871 | { "lret", Iw, XX, XX }, |
| 872 | { "lret", XX, XX, XX }, |
| 873 | { "int3", XX, XX, XX }, |
| 874 | { "int", Ib, XX, XX }, |
| 875 | { "into", XX, XX, XX }, |
| 876 | { "iret", XX, XX, XX }, |
| 877 | /* d0 */ |
| 878 | { GRP2b_one }, |
| 879 | { GRP2S_one }, |
| 880 | { GRP2b_cl }, |
| 881 | { GRP2S_cl }, |
| 882 | { "aam", sIb, XX, XX }, |
| 883 | { "aad", sIb, XX, XX }, |
| 884 | { "(bad)", XX, XX, XX }, |
| 885 | { "xlat", DSBX, XX, XX }, |
| 886 | /* d8 */ |
| 887 | { FLOAT }, |
| 888 | { FLOAT }, |
| 889 | { FLOAT }, |
| 890 | { FLOAT }, |
| 891 | { FLOAT }, |
| 892 | { FLOAT }, |
| 893 | { FLOAT }, |
| 894 | { FLOAT }, |
| 895 | /* e0 */ |
| 896 | { "loopne", Jb, XX, XX }, |
| 897 | { "loope", Jb, XX, XX }, |
| 898 | { "loop", Jb, XX, XX }, |
| 899 | { "jEcxz", Jb, XX, XX }, |
| 900 | { "in", AL, Ib, XX }, |
| 901 | { "in", eAX, Ib, XX }, |
| 902 | { "out", Ib, AL, XX }, |
| 903 | { "out", Ib, eAX, XX }, |
| 904 | /* e8 */ |
| 905 | { "call", Jv, XX, XX }, |
| 906 | { "jmp", Jv, XX, XX }, |
| 907 | { "ljmp", Ap, XX, XX }, |
| 908 | { "jmp", Jb, XX, XX }, |
| 909 | { "in", AL, indirDX, XX }, |
| 910 | { "in", eAX, indirDX, XX }, |
| 911 | { "out", indirDX, AL, XX }, |
| 912 | { "out", indirDX, eAX, XX }, |
| 913 | /* f0 */ |
| 914 | { "(bad)", XX, XX, XX }, /* lock prefix */ |
| 915 | { "(bad)", XX, XX, XX }, |
| 916 | { "(bad)", XX, XX, XX }, /* repne */ |
| 917 | { "(bad)", XX, XX, XX }, /* repz */ |
| 918 | { "hlt", XX, XX, XX }, |
| 919 | { "cmc", XX, XX, XX }, |
| 920 | { GRP3b }, |
| 921 | { GRP3S }, |
| 922 | /* f8 */ |
| 923 | { "clc", XX, XX, XX }, |
| 924 | { "stc", XX, XX, XX }, |
| 925 | { "cli", XX, XX, XX }, |
| 926 | { "sti", XX, XX, XX }, |
| 927 | { "cld", XX, XX, XX }, |
| 928 | { "std", XX, XX, XX }, |
| 929 | { GRP4 }, |
| 930 | { GRP5 }, |
| 931 | }; |
| 932 | |
| 933 | static const struct dis386 dis386_twobyte_att[] = { |
| 934 | /* 00 */ |
| 935 | { GRP6 }, |
| 936 | { GRP7 }, |
| 937 | { "larS", Gv, Ew, XX }, |
| 938 | { "lslS", Gv, Ew, XX }, |
| 939 | { "(bad)", XX, XX, XX }, |
| 940 | { "(bad)", XX, XX, XX }, |
| 941 | { "clts", XX, XX, XX }, |
| 942 | { "(bad)", XX, XX, XX }, |
| 943 | /* 08 */ |
| 944 | { "invd", XX, XX, XX }, |
| 945 | { "wbinvd", XX, XX, XX }, |
| 946 | { "(bad)", XX, XX, XX }, |
| 947 | { "ud2a", XX, XX, XX }, |
| 948 | { "(bad)", XX, XX, XX }, |
| 949 | { GRPAMD }, |
| 950 | { "femms", XX, XX, XX }, |
| 951 | { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix */ |
| 952 | /* 10 */ |
| 953 | { PREGRP8 }, |
| 954 | { PREGRP9 }, |
| 955 | { "movlps", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */ |
| 956 | { "movlps", EX, XM, SIMD_Fixup, 'h' }, |
| 957 | { "unpcklps", XM, EX, XX }, |
| 958 | { "unpckhps", XM, EX, XX }, |
| 959 | { "movhps", XM, EX, SIMD_Fixup, 'l' }, |
| 960 | { "movhps", EX, XM, SIMD_Fixup, 'l' }, |
| 961 | /* 18 */ |
| 962 | { GRP14 }, |
| 963 | { "(bad)", XX, XX, XX }, |
| 964 | { "(bad)", XX, XX, XX }, |
| 965 | { "(bad)", XX, XX, XX }, |
| 966 | { "(bad)", XX, XX, XX }, |
| 967 | { "(bad)", XX, XX, XX }, |
| 968 | { "(bad)", XX, XX, XX }, |
| 969 | { "(bad)", XX, XX, XX }, |
| 970 | /* 20 */ |
| 971 | /* these are all backward in appendix A of the intel book */ |
| 972 | { "movL", Rd, Cd, XX }, |
| 973 | { "movL", Rd, Dd, XX }, |
| 974 | { "movL", Cd, Rd, XX }, |
| 975 | { "movL", Dd, Rd, XX }, |
| 976 | { "movL", Rd, Td, XX }, |
| 977 | { "(bad)", XX, XX, XX }, |
| 978 | { "movL", Td, Rd, XX }, |
| 979 | { "(bad)", XX, XX, XX }, |
| 980 | /* 28 */ |
| 981 | { "movaps", XM, EX, XX }, |
| 982 | { "movaps", EX, XM, XX }, |
| 983 | { PREGRP2 }, |
| 984 | { "movntps", Ev, XM, XX }, |
| 985 | { PREGRP4 }, |
| 986 | { PREGRP3 }, |
| 987 | { "ucomiss", XM, EX, XX }, |
| 988 | { "comiss", XM, EX, XX }, |
| 989 | /* 30 */ |
| 990 | { "wrmsr", XX, XX, XX }, |
| 991 | { "rdtsc", XX, XX, XX }, |
| 992 | { "rdmsr", XX, XX, XX }, |
| 993 | { "rdpmc", XX, XX, XX }, |
| 994 | { "sysenter", XX, XX, XX }, |
| 995 | { "sysexit", XX, XX, XX }, |
| 996 | { "(bad)", XX, XX, XX }, |
| 997 | { "(bad)", XX, XX, XX }, |
| 998 | /* 38 */ |
| 999 | { "(bad)", XX, XX, XX }, |
| 1000 | { "(bad)", XX, XX, XX }, |
| 1001 | { "(bad)", XX, XX, XX }, |
| 1002 | { "(bad)", XX, XX, XX }, |
| 1003 | { "(bad)", XX, XX, XX }, |
| 1004 | { "(bad)", XX, XX, XX }, |
| 1005 | { "(bad)", XX, XX, XX }, |
| 1006 | { "(bad)", XX, XX, XX }, |
| 1007 | /* 40 */ |
| 1008 | { "cmovo", Gv, Ev, XX }, |
| 1009 | { "cmovno", Gv, Ev, XX }, |
| 1010 | { "cmovb", Gv, Ev, XX }, |
| 1011 | { "cmovae", Gv, Ev, XX }, |
| 1012 | { "cmove", Gv, Ev, XX }, |
| 1013 | { "cmovne", Gv, Ev, XX }, |
| 1014 | { "cmovbe", Gv, Ev, XX }, |
| 1015 | { "cmova", Gv, Ev, XX }, |
| 1016 | /* 48 */ |
| 1017 | { "cmovs", Gv, Ev, XX }, |
| 1018 | { "cmovns", Gv, Ev, XX }, |
| 1019 | { "cmovp", Gv, Ev, XX }, |
| 1020 | { "cmovnp", Gv, Ev, XX }, |
| 1021 | { "cmovl", Gv, Ev, XX }, |
| 1022 | { "cmovge", Gv, Ev, XX }, |
| 1023 | { "cmovle", Gv, Ev, XX }, |
| 1024 | { "cmovg", Gv, Ev, XX }, |
| 1025 | /* 50 */ |
| 1026 | { "movmskps", Gv, EX, XX }, |
| 1027 | { PREGRP13 }, |
| 1028 | { PREGRP12 }, |
| 1029 | { PREGRP11 }, |
| 1030 | { "andps", XM, EX, XX }, |
| 1031 | { "andnps", XM, EX, XX }, |
| 1032 | { "orps", XM, EX, XX }, |
| 1033 | { "xorps", XM, EX, XX }, |
| 1034 | /* 58 */ |
| 1035 | { PREGRP0 }, |
| 1036 | { PREGRP10 }, |
| 1037 | { "(bad)", XX, XX, XX }, |
| 1038 | { "(bad)", XX, XX, XX }, |
| 1039 | { PREGRP14 }, |
| 1040 | { PREGRP7 }, |
| 1041 | { PREGRP5 }, |
| 1042 | { PREGRP6 }, |
| 1043 | /* 60 */ |
| 1044 | { "punpcklbw", MX, EM, XX }, |
| 1045 | { "punpcklwd", MX, EM, XX }, |
| 1046 | { "punpckldq", MX, EM, XX }, |
| 1047 | { "packsswb", MX, EM, XX }, |
| 1048 | { "pcmpgtb", MX, EM, XX }, |
| 1049 | { "pcmpgtw", MX, EM, XX }, |
| 1050 | { "pcmpgtd", MX, EM, XX }, |
| 1051 | { "packuswb", MX, EM, XX }, |
| 1052 | /* 68 */ |
| 1053 | { "punpckhbw", MX, EM, XX }, |
| 1054 | { "punpckhwd", MX, EM, XX }, |
| 1055 | { "punpckhdq", MX, EM, XX }, |
| 1056 | { "packssdw", MX, EM, XX }, |
| 1057 | { "(bad)", XX, XX, XX }, |
| 1058 | { "(bad)", XX, XX, XX }, |
| 1059 | { "movd", MX, Ed, XX }, |
| 1060 | { "movq", MX, EM, XX }, |
| 1061 | /* 70 */ |
| 1062 | { "pshufw", MX, EM, Ib }, |
| 1063 | { GRP10 }, |
| 1064 | { GRP11 }, |
| 1065 | { GRP12 }, |
| 1066 | { "pcmpeqb", MX, EM, XX }, |
| 1067 | { "pcmpeqw", MX, EM, XX }, |
| 1068 | { "pcmpeqd", MX, EM, XX }, |
| 1069 | { "emms", XX, XX, XX }, |
| 1070 | /* 78 */ |
| 1071 | { "(bad)", XX, XX, XX }, |
| 1072 | { "(bad)", XX, XX, XX }, |
| 1073 | { "(bad)", XX, XX, XX }, |
| 1074 | { "(bad)", XX, XX, XX }, |
| 1075 | { "(bad)", XX, XX, XX }, |
| 1076 | { "(bad)", XX, XX, XX }, |
| 1077 | { "movd", Ed, MX, XX }, |
| 1078 | { "movq", EM, MX, XX }, |
| 1079 | /* 80 */ |
| 1080 | { "jo", Jv, XX, XX }, |
| 1081 | { "jno", Jv, XX, XX }, |
| 1082 | { "jb", Jv, XX, XX }, |
| 1083 | { "jae", Jv, XX, XX }, |
| 1084 | { "je", Jv, XX, XX }, |
| 1085 | { "jne", Jv, XX, XX }, |
| 1086 | { "jbe", Jv, XX, XX }, |
| 1087 | { "ja", Jv, XX, XX }, |
| 1088 | /* 88 */ |
| 1089 | { "js", Jv, XX, XX }, |
| 1090 | { "jns", Jv, XX, XX }, |
| 1091 | { "jp", Jv, XX, XX }, |
| 1092 | { "jnp", Jv, XX, XX }, |
| 1093 | { "jl", Jv, XX, XX }, |
| 1094 | { "jge", Jv, XX, XX }, |
| 1095 | { "jle", Jv, XX, XX }, |
| 1096 | { "jg", Jv, XX, XX }, |
| 1097 | /* 90 */ |
| 1098 | { "seto", Eb, XX, XX }, |
| 1099 | { "setno", Eb, XX, XX }, |
| 1100 | { "setb", Eb, XX, XX }, |
| 1101 | { "setae", Eb, XX, XX }, |
| 1102 | { "sete", Eb, XX, XX }, |
| 1103 | { "setne", Eb, XX, XX }, |
| 1104 | { "setbe", Eb, XX, XX }, |
| 1105 | { "seta", Eb, XX, XX }, |
| 1106 | /* 98 */ |
| 1107 | { "sets", Eb, XX, XX }, |
| 1108 | { "setns", Eb, XX, XX }, |
| 1109 | { "setp", Eb, XX, XX }, |
| 1110 | { "setnp", Eb, XX, XX }, |
| 1111 | { "setl", Eb, XX, XX }, |
| 1112 | { "setge", Eb, XX, XX }, |
| 1113 | { "setle", Eb, XX, XX }, |
| 1114 | { "setg", Eb, XX, XX }, |
| 1115 | /* a0 */ |
| 1116 | { "pushP", fs, XX, XX }, |
| 1117 | { "popP", fs, XX, XX }, |
| 1118 | { "cpuid", XX, XX, XX }, |
| 1119 | { "btS", Ev, Gv, XX }, |
| 1120 | { "shldS", Ev, Gv, Ib }, |
| 1121 | { "shldS", Ev, Gv, CL }, |
| 1122 | { "(bad)", XX, XX, XX }, |
| 1123 | { "(bad)", XX, XX, XX }, |
| 1124 | /* a8 */ |
| 1125 | { "pushP", gs, XX, XX }, |
| 1126 | { "popP", gs, XX, XX }, |
| 1127 | { "rsm", XX, XX, XX }, |
| 1128 | { "btsS", Ev, Gv, XX }, |
| 1129 | { "shrdS", Ev, Gv, Ib }, |
| 1130 | { "shrdS", Ev, Gv, CL }, |
| 1131 | { GRP13 }, |
| 1132 | { "imulS", Gv, Ev, XX }, |
| 1133 | /* b0 */ |
| 1134 | { "cmpxchgB", Eb, Gb, XX }, |
| 1135 | { "cmpxchgS", Ev, Gv, XX }, |
| 1136 | { "lssS", Gv, Mp, XX }, |
| 1137 | { "btrS", Ev, Gv, XX }, |
| 1138 | { "lfsS", Gv, Mp, XX }, |
| 1139 | { "lgsS", Gv, Mp, XX }, |
| 1140 | { "movzbR", Gv, Eb, XX }, |
| 1141 | { "movzwR", Gv, Ew, XX }, /* yes, there really is movzww ! */ |
| 1142 | /* b8 */ |
| 1143 | { "(bad)", XX, XX, XX }, |
| 1144 | { "ud2b", XX, XX, XX }, |
| 1145 | { GRP8 }, |
| 1146 | { "btcS", Ev, Gv, XX }, |
| 1147 | { "bsfS", Gv, Ev, XX }, |
| 1148 | { "bsrS", Gv, Ev, XX }, |
| 1149 | { "movsbR", Gv, Eb, XX }, |
| 1150 | { "movswR", Gv, Ew, XX }, /* yes, there really is movsww ! */ |
| 1151 | /* c0 */ |
| 1152 | { "xaddB", Eb, Gb, XX }, |
| 1153 | { "xaddS", Ev, Gv, XX }, |
| 1154 | { PREGRP1 }, |
| 1155 | { "(bad)", XX, XX, XX }, |
| 1156 | { "pinsrw", MX, Ev, Ib }, |
| 1157 | { "pextrw", Ev, MX, Ib }, |
| 1158 | { "shufps", XM, EX, Ib }, |
| 1159 | { GRP9 }, |
| 1160 | /* c8 */ |
| 1161 | { "bswap", eAX, XX, XX }, /* bswap doesn't support 16 bit regs */ |
| 1162 | { "bswap", eCX, XX, XX }, |
| 1163 | { "bswap", eDX, XX, XX }, |
| 1164 | { "bswap", eBX, XX, XX }, |
| 1165 | { "bswap", eSP, XX, XX }, |
| 1166 | { "bswap", eBP, XX, XX }, |
| 1167 | { "bswap", eSI, XX, XX }, |
| 1168 | { "bswap", eDI, XX, XX }, |
| 1169 | /* d0 */ |
| 1170 | { "(bad)", XX, XX, XX }, |
| 1171 | { "psrlw", MX, EM, XX }, |
| 1172 | { "psrld", MX, EM, XX }, |
| 1173 | { "psrlq", MX, EM, XX }, |
| 1174 | { "(bad)", XX, XX, XX }, |
| 1175 | { "pmullw", MX, EM, XX }, |
| 1176 | { "(bad)", XX, XX, XX }, |
| 1177 | { "pmovmskb", Ev, MX, XX }, |
| 1178 | /* d8 */ |
| 1179 | { "psubusb", MX, EM, XX }, |
| 1180 | { "psubusw", MX, EM, XX }, |
| 1181 | { "pminub", MX, EM, XX }, |
| 1182 | { "pand", MX, EM, XX }, |
| 1183 | { "paddusb", MX, EM, XX }, |
| 1184 | { "paddusw", MX, EM, XX }, |
| 1185 | { "pmaxub", MX, EM, XX }, |
| 1186 | { "pandn", MX, EM, XX }, |
| 1187 | /* e0 */ |
| 1188 | { "pavgb", MX, EM, XX }, |
| 1189 | { "psraw", MX, EM, XX }, |
| 1190 | { "psrad", MX, EM, XX }, |
| 1191 | { "pavgw", MX, EM, XX }, |
| 1192 | { "pmulhuw", MX, EM, XX }, |
| 1193 | { "pmulhw", MX, EM, XX }, |
| 1194 | { "(bad)", XX, XX, XX }, |
| 1195 | { "movntq", Ev, MX, XX }, |
| 1196 | /* e8 */ |
| 1197 | { "psubsb", MX, EM, XX }, |
| 1198 | { "psubsw", MX, EM, XX }, |
| 1199 | { "pminsw", MX, EM, XX }, |
| 1200 | { "por", MX, EM, XX }, |
| 1201 | { "paddsb", MX, EM, XX }, |
| 1202 | { "paddsw", MX, EM, XX }, |
| 1203 | { "pmaxsw", MX, EM, XX }, |
| 1204 | { "pxor", MX, EM, XX }, |
| 1205 | /* f0 */ |
| 1206 | { "(bad)", XX, XX, XX }, |
| 1207 | { "psllw", MX, EM, XX }, |
| 1208 | { "pslld", MX, EM, XX }, |
| 1209 | { "psllq", MX, EM, XX }, |
| 1210 | { "(bad)", XX, XX, XX }, |
| 1211 | { "pmaddwd", MX, EM, XX }, |
| 1212 | { "psadbw", MX, EM, XX }, |
| 1213 | { "maskmovq", MX, EM, XX }, |
| 1214 | /* f8 */ |
| 1215 | { "psubb", MX, EM, XX }, |
| 1216 | { "psubw", MX, EM, XX }, |
| 1217 | { "psubd", MX, EM, XX }, |
| 1218 | { "(bad)", XX, XX, XX }, |
| 1219 | { "paddb", MX, EM, XX }, |
| 1220 | { "paddw", MX, EM, XX }, |
| 1221 | { "paddd", MX, EM, XX }, |
| 1222 | { "(bad)", XX, XX, XX } |
| 1223 | }; |
| 1224 | |
| 1225 | static const struct dis386 dis386_twobyte_intel[] = { |
| 1226 | /* 00 */ |
| 1227 | { GRP6 }, |
| 1228 | { GRP7 }, |
| 1229 | { "lar", Gv, Ew, XX }, |
| 1230 | { "lsl", Gv, Ew, XX }, |
| 1231 | { "(bad)", XX, XX, XX }, |
| 1232 | { "(bad)", XX, XX, XX }, |
| 1233 | { "clts", XX, XX, XX }, |
| 1234 | { "(bad)", XX, XX, XX }, |
| 1235 | /* 08 */ |
| 1236 | { "invd", XX, XX, XX }, |
| 1237 | { "wbinvd", XX, XX, XX }, |
| 1238 | { "(bad)", XX, XX, XX }, |
| 1239 | { "ud2a", XX, XX, XX }, |
| 1240 | { "(bad)", XX, XX, XX }, |
| 1241 | { GRPAMD }, |
| 1242 | { "femms" , XX, XX, XX}, |
| 1243 | { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix */ |
| 1244 | /* 10 */ |
| 1245 | { PREGRP8 }, |
| 1246 | { PREGRP9 }, |
| 1247 | { "movlps", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */ |
| 1248 | { "movlps", EX, XM, SIMD_Fixup, 'h' }, |
| 1249 | { "unpcklps", XM, EX, XX }, |
| 1250 | { "unpckhps", XM, EX, XX }, |
| 1251 | { "movhps", XM, EX, SIMD_Fixup, 'l' }, |
| 1252 | { "movhps", EX, XM, SIMD_Fixup, 'l' }, |
| 1253 | /* 18 */ |
| 1254 | { GRP14 }, |
| 1255 | { "(bad)", XX, XX, XX }, |
| 1256 | { "(bad)", XX, XX, XX }, |
| 1257 | { "(bad)", XX, XX, XX }, |
| 1258 | { "(bad)", XX, XX, XX }, |
| 1259 | { "(bad)", XX, XX, XX }, |
| 1260 | { "(bad)", XX, XX, XX }, |
| 1261 | { "(bad)", XX, XX, XX }, |
| 1262 | /* 20 */ |
| 1263 | /* these are all backward in appendix A of the intel book */ |
| 1264 | { "mov", Rd, Cd, XX }, |
| 1265 | { "mov", Rd, Dd, XX }, |
| 1266 | { "mov", Cd, Rd, XX }, |
| 1267 | { "mov", Dd, Rd, XX }, |
| 1268 | { "mov", Rd, Td, XX }, |
| 1269 | { "(bad)", XX, XX, XX }, |
| 1270 | { "mov", Td, Rd, XX }, |
| 1271 | { "(bad)", XX, XX, XX }, |
| 1272 | /* 28 */ |
| 1273 | { "movaps", XM, EX, XX }, |
| 1274 | { "movaps", EX, XM, XX }, |
| 1275 | { PREGRP2 }, |
| 1276 | { "movntps", Ev, XM, XX }, |
| 1277 | { PREGRP4 }, |
| 1278 | { PREGRP3 }, |
| 1279 | { "ucomiss", XM, EX, XX }, |
| 1280 | { "comiss", XM, EX, XX }, |
| 1281 | /* 30 */ |
| 1282 | { "wrmsr", XX, XX, XX }, |
| 1283 | { "rdtsc", XX, XX, XX }, |
| 1284 | { "rdmsr", XX, XX, XX }, |
| 1285 | { "rdpmc", XX, XX, XX }, |
| 1286 | { "sysenter", XX, XX, XX }, |
| 1287 | { "sysexit", XX, XX, XX }, |
| 1288 | { "(bad)", XX, XX, XX }, |
| 1289 | { "(bad)", XX, XX, XX }, |
| 1290 | /* 38 */ |
| 1291 | { "(bad)", XX, XX, XX }, |
| 1292 | { "(bad)", XX, XX, XX }, |
| 1293 | { "(bad)", XX, XX, XX }, |
| 1294 | { "(bad)", XX, XX, XX }, |
| 1295 | { "(bad)", XX, XX, XX }, |
| 1296 | { "(bad)", XX, XX, XX }, |
| 1297 | { "(bad)", XX, XX, XX }, |
| 1298 | { "(bad)", XX, XX, XX }, |
| 1299 | /* 40 */ |
| 1300 | { "cmovo", Gv, Ev, XX }, |
| 1301 | { "cmovno", Gv, Ev, XX }, |
| 1302 | { "cmovb", Gv, Ev, XX }, |
| 1303 | { "cmovae", Gv, Ev, XX }, |
| 1304 | { "cmove", Gv, Ev, XX }, |
| 1305 | { "cmovne", Gv, Ev, XX }, |
| 1306 | { "cmovbe", Gv, Ev, XX }, |
| 1307 | { "cmova", Gv, Ev, XX }, |
| 1308 | /* 48 */ |
| 1309 | { "cmovs", Gv, Ev, XX }, |
| 1310 | { "cmovns", Gv, Ev, XX }, |
| 1311 | { "cmovp", Gv, Ev, XX }, |
| 1312 | { "cmovnp", Gv, Ev, XX }, |
| 1313 | { "cmovl", Gv, Ev, XX }, |
| 1314 | { "cmovge", Gv, Ev, XX }, |
| 1315 | { "cmovle", Gv, Ev, XX }, |
| 1316 | { "cmovg", Gv, Ev, XX }, |
| 1317 | /* 50 */ |
| 1318 | { "movmskps", Gv, EX, XX }, |
| 1319 | { PREGRP13 }, |
| 1320 | { PREGRP12 }, |
| 1321 | { PREGRP11 }, |
| 1322 | { "andps", XM, EX, XX }, |
| 1323 | { "andnps", XM, EX, XX }, |
| 1324 | { "orps", XM, EX, XX }, |
| 1325 | { "xorps", XM, EX, XX }, |
| 1326 | /* 58 */ |
| 1327 | { PREGRP0 }, |
| 1328 | { PREGRP10 }, |
| 1329 | { "(bad)", XX, XX, XX }, |
| 1330 | { "(bad)", XX, XX, XX }, |
| 1331 | { PREGRP14 }, |
| 1332 | { PREGRP7 }, |
| 1333 | { PREGRP5 }, |
| 1334 | { PREGRP6 }, |
| 1335 | /* 60 */ |
| 1336 | { "punpcklbw", MX, EM, XX }, |
| 1337 | { "punpcklwd", MX, EM, XX }, |
| 1338 | { "punpckldq", MX, EM, XX }, |
| 1339 | { "packsswb", MX, EM, XX }, |
| 1340 | { "pcmpgtb", MX, EM, XX }, |
| 1341 | { "pcmpgtw", MX, EM, XX }, |
| 1342 | { "pcmpgtd", MX, EM, XX }, |
| 1343 | { "packuswb", MX, EM, XX }, |
| 1344 | /* 68 */ |
| 1345 | { "punpckhbw", MX, EM, XX }, |
| 1346 | { "punpckhwd", MX, EM, XX }, |
| 1347 | { "punpckhdq", MX, EM, XX }, |
| 1348 | { "packssdw", MX, EM, XX }, |
| 1349 | { "(bad)", XX, XX, XX }, |
| 1350 | { "(bad)", XX, XX, XX }, |
| 1351 | { "movd", MX, Ed, XX }, |
| 1352 | { "movq", MX, EM, XX }, |
| 1353 | /* 70 */ |
| 1354 | { "pshufw", MX, EM, Ib }, |
| 1355 | { GRP10 }, |
| 1356 | { GRP11 }, |
| 1357 | { GRP12 }, |
| 1358 | { "pcmpeqb", MX, EM, XX }, |
| 1359 | { "pcmpeqw", MX, EM, XX }, |
| 1360 | { "pcmpeqd", MX, EM, XX }, |
| 1361 | { "emms", XX, XX, XX }, |
| 1362 | /* 78 */ |
| 1363 | { "(bad)", XX, XX, XX }, |
| 1364 | { "(bad)", XX, XX, XX }, |
| 1365 | { "(bad)", XX, XX, XX }, |
| 1366 | { "(bad)", XX, XX, XX }, |
| 1367 | { "(bad)", XX, XX, XX }, |
| 1368 | { "(bad)", XX, XX, XX }, |
| 1369 | { "movd", Ed, MX, XX }, |
| 1370 | { "movq", EM, MX, XX }, |
| 1371 | /* 80 */ |
| 1372 | { "jo", Jv, XX, XX }, |
| 1373 | { "jno", Jv, XX, XX }, |
| 1374 | { "jb", Jv, XX, XX }, |
| 1375 | { "jae", Jv, XX, XX }, |
| 1376 | { "je", Jv, XX, XX }, |
| 1377 | { "jne", Jv, XX, XX }, |
| 1378 | { "jbe", Jv, XX, XX }, |
| 1379 | { "ja", Jv, XX, XX }, |
| 1380 | /* 88 */ |
| 1381 | { "js", Jv, XX, XX }, |
| 1382 | { "jns", Jv, XX, XX }, |
| 1383 | { "jp", Jv, XX, XX }, |
| 1384 | { "jnp", Jv, XX, XX }, |
| 1385 | { "jl", Jv, XX, XX }, |
| 1386 | { "jge", Jv, XX, XX }, |
| 1387 | { "jle", Jv, XX, XX }, |
| 1388 | { "jg", Jv, XX, XX }, |
| 1389 | /* 90 */ |
| 1390 | { "seto", Eb, XX, XX }, |
| 1391 | { "setno", Eb, XX, XX }, |
| 1392 | { "setb", Eb, XX, XX }, |
| 1393 | { "setae", Eb, XX, XX }, |
| 1394 | { "sete", Eb, XX, XX }, |
| 1395 | { "setne", Eb, XX, XX }, |
| 1396 | { "setbe", Eb, XX, XX }, |
| 1397 | { "seta", Eb, XX, XX }, |
| 1398 | /* 98 */ |
| 1399 | { "sets", Eb, XX, XX }, |
| 1400 | { "setns", Eb, XX, XX }, |
| 1401 | { "setp", Eb, XX, XX }, |
| 1402 | { "setnp", Eb, XX, XX }, |
| 1403 | { "setl", Eb, XX, XX }, |
| 1404 | { "setge", Eb, XX, XX }, |
| 1405 | { "setle", Eb, XX, XX }, |
| 1406 | { "setg", Eb, XX, XX }, |
| 1407 | /* a0 */ |
| 1408 | { "push", fs, XX, XX }, |
| 1409 | { "pop", fs, XX, XX }, |
| 1410 | { "cpuid", XX, XX, XX }, |
| 1411 | { "bt", Ev, Gv, XX }, |
| 1412 | { "shld", Ev, Gv, Ib }, |
| 1413 | { "shld", Ev, Gv, CL }, |
| 1414 | { "(bad)", XX, XX, XX }, |
| 1415 | { "(bad)", XX, XX, XX }, |
| 1416 | /* a8 */ |
| 1417 | { "push", gs, XX, XX }, |
| 1418 | { "pop", gs, XX, XX }, |
| 1419 | { "rsm" , XX, XX, XX}, |
| 1420 | { "bts", Ev, Gv, XX }, |
| 1421 | { "shrd", Ev, Gv, Ib }, |
| 1422 | { "shrd", Ev, Gv, CL }, |
| 1423 | { GRP13 }, |
| 1424 | { "imul", Gv, Ev, XX }, |
| 1425 | /* b0 */ |
| 1426 | { "cmpxchg", Eb, Gb, XX }, |
| 1427 | { "cmpxchg", Ev, Gv, XX }, |
| 1428 | { "lss", Gv, Mp, XX }, |
| 1429 | { "btr", Ev, Gv, XX }, |
| 1430 | { "lfs", Gv, Mp, XX }, |
| 1431 | { "lgs", Gv, Mp, XX }, |
| 1432 | { "movzx", Gv, Eb, XX }, |
| 1433 | { "movzx", Gv, Ew, XX }, |
| 1434 | /* b8 */ |
| 1435 | { "(bad)", XX, XX, XX }, |
| 1436 | { "ud2b", XX, XX, XX }, |
| 1437 | { GRP8 }, |
| 1438 | { "btc", Ev, Gv, XX }, |
| 1439 | { "bsf", Gv, Ev, XX }, |
| 1440 | { "bsr", Gv, Ev, XX }, |
| 1441 | { "movsx", Gv, Eb, XX }, |
| 1442 | { "movsx", Gv, Ew, XX }, |
| 1443 | /* c0 */ |
| 1444 | { "xadd", Eb, Gb, XX }, |
| 1445 | { "xadd", Ev, Gv, XX }, |
| 1446 | { PREGRP1 }, |
| 1447 | { "(bad)", XX, XX, XX }, |
| 1448 | { "pinsrw", MX, Ev, Ib }, |
| 1449 | { "pextrw", Ev, MX, Ib }, |
| 1450 | { "shufps", XM, EX, Ib }, |
| 1451 | { GRP9 }, |
| 1452 | /* c8 */ |
| 1453 | { "bswap", eAX, XX, XX }, /* bswap doesn't support 16 bit regs */ |
| 1454 | { "bswap", eCX, XX, XX }, |
| 1455 | { "bswap", eDX, XX, XX }, |
| 1456 | { "bswap", eBX, XX, XX }, |
| 1457 | { "bswap", eSP, XX, XX }, |
| 1458 | { "bswap", eBP, XX, XX }, |
| 1459 | { "bswap", eSI, XX, XX }, |
| 1460 | { "bswap", eDI, XX, XX }, |
| 1461 | /* d0 */ |
| 1462 | { "(bad)", XX, XX, XX }, |
| 1463 | { "psrlw", MX, EM, XX }, |
| 1464 | { "psrld", MX, EM, XX }, |
| 1465 | { "psrlq", MX, EM, XX }, |
| 1466 | { "(bad)", XX, XX, XX }, |
| 1467 | { "pmullw", MX, EM, XX }, |
| 1468 | { "(bad)", XX, XX, XX }, |
| 1469 | { "pmovmskb", Ev, MX, XX }, |
| 1470 | /* d8 */ |
| 1471 | { "psubusb", MX, EM, XX }, |
| 1472 | { "psubusw", MX, EM, XX }, |
| 1473 | { "pminub", MX, EM, XX }, |
| 1474 | { "pand", MX, EM, XX }, |
| 1475 | { "paddusb", MX, EM, XX }, |
| 1476 | { "paddusw", MX, EM, XX }, |
| 1477 | { "pmaxub", MX, EM, XX }, |
| 1478 | { "pandn", MX, EM, XX }, |
| 1479 | /* e0 */ |
| 1480 | { "pavgb", MX, EM, XX }, |
| 1481 | { "psraw", MX, EM, XX }, |
| 1482 | { "psrad", MX, EM, XX }, |
| 1483 | { "pavgw", MX, EM, XX }, |
| 1484 | { "pmulhuw", MX, EM, XX }, |
| 1485 | { "pmulhw", MX, EM, XX }, |
| 1486 | { "(bad)", XX, XX, XX }, |
| 1487 | { "movntq", Ev, MX, XX }, |
| 1488 | /* e8 */ |
| 1489 | { "psubsb", MX, EM, XX }, |
| 1490 | { "psubsw", MX, EM, XX }, |
| 1491 | { "pminsw", MX, EM, XX }, |
| 1492 | { "por", MX, EM, XX }, |
| 1493 | { "paddsb", MX, EM, XX }, |
| 1494 | { "paddsw", MX, EM, XX }, |
| 1495 | { "pmaxsw", MX, EM, XX }, |
| 1496 | { "pxor", MX, EM, XX }, |
| 1497 | /* f0 */ |
| 1498 | { "(bad)", XX, XX, XX }, |
| 1499 | { "psllw", MX, EM, XX }, |
| 1500 | { "pslld", MX, EM, XX }, |
| 1501 | { "psllq", MX, EM, XX }, |
| 1502 | { "(bad)", XX, XX, XX }, |
| 1503 | { "pmaddwd", MX, EM, XX }, |
| 1504 | { "psadbw", MX, EM, XX }, |
| 1505 | { "maskmovq", MX, EM, XX }, |
| 1506 | /* f8 */ |
| 1507 | { "psubb", MX, EM, XX }, |
| 1508 | { "psubw", MX, EM, XX }, |
| 1509 | { "psubd", MX, EM, XX }, |
| 1510 | { "(bad)", XX, XX, XX }, |
| 1511 | { "paddb", MX, EM, XX }, |
| 1512 | { "paddw", MX, EM, XX }, |
| 1513 | { "paddd", MX, EM, XX }, |
| 1514 | { "(bad)", XX, XX, XX } |
| 1515 | }; |
| 1516 | |
| 1517 | static const unsigned char onebyte_has_modrm[256] = { |
| 1518 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1519 | /* ------------------------------- */ |
| 1520 | /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */ |
| 1521 | /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */ |
| 1522 | /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */ |
| 1523 | /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */ |
| 1524 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */ |
| 1525 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */ |
| 1526 | /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */ |
| 1527 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */ |
| 1528 | /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ |
| 1529 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */ |
| 1530 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */ |
| 1531 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */ |
| 1532 | /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */ |
| 1533 | /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */ |
| 1534 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */ |
| 1535 | /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */ |
| 1536 | /* ------------------------------- */ |
| 1537 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1538 | }; |
| 1539 | |
| 1540 | static const unsigned char twobyte_has_modrm[256] = { |
| 1541 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1542 | /* ------------------------------- */ |
| 1543 | /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */ |
| 1544 | /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */ |
| 1545 | /* 20 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 2f */ |
| 1546 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ |
| 1547 | /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ |
| 1548 | /* 50 */ 1,1,1,1,1,1,1,1,1,1,0,0,1,1,1,1, /* 5f */ |
| 1549 | /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1, /* 6f */ |
| 1550 | /* 70 */ 1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1, /* 7f */ |
| 1551 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ |
| 1552 | /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */ |
| 1553 | /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */ |
| 1554 | /* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */ |
| 1555 | /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */ |
| 1556 | /* d0 */ 0,1,1,1,0,1,0,1,1,1,1,1,1,1,1,1, /* df */ |
| 1557 | /* e0 */ 1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1, /* ef */ |
| 1558 | /* f0 */ 0,1,1,1,0,1,1,1,1,1,1,0,1,1,1,0 /* ff */ |
| 1559 | /* ------------------------------- */ |
| 1560 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1561 | }; |
| 1562 | |
| 1563 | static const unsigned char twobyte_uses_f3_prefix[256] = { |
| 1564 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1565 | /* ------------------------------- */ |
| 1566 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ |
| 1567 | /* 10 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ |
| 1568 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */ |
| 1569 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ |
| 1570 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ |
| 1571 | /* 50 */ 0,1,1,1,0,0,0,0,1,1,0,0,1,1,1,1, /* 5f */ |
| 1572 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ |
| 1573 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ |
| 1574 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ |
| 1575 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ |
| 1576 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ |
| 1577 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ |
| 1578 | /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ |
| 1579 | /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ |
| 1580 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ |
| 1581 | /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 /* ff */ |
| 1582 | /* ------------------------------- */ |
| 1583 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1584 | }; |
| 1585 | |
| 1586 | static char obuf[100]; |
| 1587 | static char *obufp; |
| 1588 | static char scratchbuf[100]; |
| 1589 | static unsigned char *start_codep; |
| 1590 | static unsigned char *insn_codep; |
| 1591 | static unsigned char *codep; |
| 1592 | static disassemble_info *the_info; |
| 1593 | static int mod; |
| 1594 | static int rm; |
| 1595 | static int reg; |
| 1596 | static void oappend PARAMS ((const char *s)); |
| 1597 | |
| 1598 | static const char *names32[]={ |
| 1599 | "%eax","%ecx","%edx","%ebx", "%esp","%ebp","%esi","%edi", |
| 1600 | }; |
| 1601 | static const char *names16[] = { |
| 1602 | "%ax","%cx","%dx","%bx","%sp","%bp","%si","%di", |
| 1603 | }; |
| 1604 | static const char *names8[] = { |
| 1605 | "%al","%cl","%dl","%bl","%ah","%ch","%dh","%bh", |
| 1606 | }; |
| 1607 | static const char *names_seg[] = { |
| 1608 | "%es","%cs","%ss","%ds","%fs","%gs","%?","%?", |
| 1609 | }; |
| 1610 | static const char *index16[] = { |
| 1611 | "%bx,%si","%bx,%di","%bp,%si","%bp,%di","%si","%di","%bp","%bx" |
| 1612 | }; |
| 1613 | |
| 1614 | static const struct dis386 grps[][8] = { |
| 1615 | /* GRP1b */ |
| 1616 | { |
| 1617 | { "addA", Eb, Ib, XX }, |
| 1618 | { "orA", Eb, Ib, XX }, |
| 1619 | { "adcA", Eb, Ib, XX }, |
| 1620 | { "sbbA", Eb, Ib, XX }, |
| 1621 | { "andA", Eb, Ib, XX }, |
| 1622 | { "subA", Eb, Ib, XX }, |
| 1623 | { "xorA", Eb, Ib, XX }, |
| 1624 | { "cmpA", Eb, Ib, XX } |
| 1625 | }, |
| 1626 | /* GRP1S */ |
| 1627 | { |
| 1628 | { "addQ", Ev, Iv, XX }, |
| 1629 | { "orQ", Ev, Iv, XX }, |
| 1630 | { "adcQ", Ev, Iv, XX }, |
| 1631 | { "sbbQ", Ev, Iv, XX }, |
| 1632 | { "andQ", Ev, Iv, XX }, |
| 1633 | { "subQ", Ev, Iv, XX }, |
| 1634 | { "xorQ", Ev, Iv, XX }, |
| 1635 | { "cmpQ", Ev, Iv, XX } |
| 1636 | }, |
| 1637 | /* GRP1Ss */ |
| 1638 | { |
| 1639 | { "addQ", Ev, sIb, XX }, |
| 1640 | { "orQ", Ev, sIb, XX }, |
| 1641 | { "adcQ", Ev, sIb, XX }, |
| 1642 | { "sbbQ", Ev, sIb, XX }, |
| 1643 | { "andQ", Ev, sIb, XX }, |
| 1644 | { "subQ", Ev, sIb, XX }, |
| 1645 | { "xorQ", Ev, sIb, XX }, |
| 1646 | { "cmpQ", Ev, sIb, XX } |
| 1647 | }, |
| 1648 | /* GRP2b */ |
| 1649 | { |
| 1650 | { "rolA", Eb, Ib, XX }, |
| 1651 | { "rorA", Eb, Ib, XX }, |
| 1652 | { "rclA", Eb, Ib, XX }, |
| 1653 | { "rcrA", Eb, Ib, XX }, |
| 1654 | { "shlA", Eb, Ib, XX }, |
| 1655 | { "shrA", Eb, Ib, XX }, |
| 1656 | { "(bad)", XX, XX, XX }, |
| 1657 | { "sarA", Eb, Ib, XX }, |
| 1658 | }, |
| 1659 | /* GRP2S */ |
| 1660 | { |
| 1661 | { "rolQ", Ev, Ib, XX }, |
| 1662 | { "rorQ", Ev, Ib, XX }, |
| 1663 | { "rclQ", Ev, Ib, XX }, |
| 1664 | { "rcrQ", Ev, Ib, XX }, |
| 1665 | { "shlQ", Ev, Ib, XX }, |
| 1666 | { "shrQ", Ev, Ib, XX }, |
| 1667 | { "(bad)", XX, XX, XX }, |
| 1668 | { "sarQ", Ev, Ib, XX }, |
| 1669 | }, |
| 1670 | /* GRP2b_one */ |
| 1671 | { |
| 1672 | { "rolA", Eb, XX, XX }, |
| 1673 | { "rorA", Eb, XX, XX }, |
| 1674 | { "rclA", Eb, XX, XX }, |
| 1675 | { "rcrA", Eb, XX, XX }, |
| 1676 | { "shlA", Eb, XX, XX }, |
| 1677 | { "shrA", Eb, XX, XX }, |
| 1678 | { "(bad)", XX, XX, XX }, |
| 1679 | { "sarA", Eb, XX, XX }, |
| 1680 | }, |
| 1681 | /* GRP2S_one */ |
| 1682 | { |
| 1683 | { "rolQ", Ev, XX, XX }, |
| 1684 | { "rorQ", Ev, XX, XX }, |
| 1685 | { "rclQ", Ev, XX, XX }, |
| 1686 | { "rcrQ", Ev, XX, XX }, |
| 1687 | { "shlQ", Ev, XX, XX }, |
| 1688 | { "shrQ", Ev, XX, XX }, |
| 1689 | { "(bad)", XX, XX, XX}, |
| 1690 | { "sarQ", Ev, XX, XX }, |
| 1691 | }, |
| 1692 | /* GRP2b_cl */ |
| 1693 | { |
| 1694 | { "rolA", Eb, CL, XX }, |
| 1695 | { "rorA", Eb, CL, XX }, |
| 1696 | { "rclA", Eb, CL, XX }, |
| 1697 | { "rcrA", Eb, CL, XX }, |
| 1698 | { "shlA", Eb, CL, XX }, |
| 1699 | { "shrA", Eb, CL, XX }, |
| 1700 | { "(bad)", XX, XX, XX }, |
| 1701 | { "sarA", Eb, CL, XX }, |
| 1702 | }, |
| 1703 | /* GRP2S_cl */ |
| 1704 | { |
| 1705 | { "rolQ", Ev, CL, XX }, |
| 1706 | { "rorQ", Ev, CL, XX }, |
| 1707 | { "rclQ", Ev, CL, XX }, |
| 1708 | { "rcrQ", Ev, CL, XX }, |
| 1709 | { "shlQ", Ev, CL, XX }, |
| 1710 | { "shrQ", Ev, CL, XX }, |
| 1711 | { "(bad)", XX, XX, XX }, |
| 1712 | { "sarQ", Ev, CL, XX } |
| 1713 | }, |
| 1714 | /* GRP3b */ |
| 1715 | { |
| 1716 | { "testA", Eb, Ib, XX }, |
| 1717 | { "(bad)", Eb, XX, XX }, |
| 1718 | { "notA", Eb, XX, XX }, |
| 1719 | { "negA", Eb, XX, XX }, |
| 1720 | { "mulB", AL, Eb, XX }, |
| 1721 | { "imulB", AL, Eb, XX }, |
| 1722 | { "divB", AL, Eb, XX }, |
| 1723 | { "idivB", AL, Eb, XX } |
| 1724 | }, |
| 1725 | /* GRP3S */ |
| 1726 | { |
| 1727 | { "testQ", Ev, Iv, XX }, |
| 1728 | { "(bad)", XX, XX, XX }, |
| 1729 | { "notQ", Ev, XX, XX }, |
| 1730 | { "negQ", Ev, XX, XX }, |
| 1731 | { "mulS", eAX, Ev, XX }, |
| 1732 | { "imulS", eAX, Ev, XX }, |
| 1733 | { "divS", eAX, Ev, XX }, |
| 1734 | { "idivS", eAX, Ev, XX }, |
| 1735 | }, |
| 1736 | /* GRP4 */ |
| 1737 | { |
| 1738 | { "incA", Eb, XX, XX }, |
| 1739 | { "decA", Eb, XX, XX }, |
| 1740 | { "(bad)", XX, XX, XX }, |
| 1741 | { "(bad)", XX, XX, XX }, |
| 1742 | { "(bad)", XX, XX, XX }, |
| 1743 | { "(bad)", XX, XX, XX }, |
| 1744 | { "(bad)", XX, XX, XX }, |
| 1745 | { "(bad)", XX, XX, XX }, |
| 1746 | }, |
| 1747 | /* GRP5 */ |
| 1748 | { |
| 1749 | { "incQ", Ev, XX, XX }, |
| 1750 | { "decQ", Ev, XX, XX }, |
| 1751 | { "callP", indirEv, XX, XX }, |
| 1752 | { "lcallP", indirEv, XX, XX }, |
| 1753 | { "jmpP", indirEv, XX, XX }, |
| 1754 | { "ljmpP", indirEv, XX, XX }, |
| 1755 | { "pushQ", Ev, XX, XX }, |
| 1756 | { "(bad)", XX, XX, XX }, |
| 1757 | }, |
| 1758 | /* GRP6 */ |
| 1759 | { |
| 1760 | { "sldt", Ew, XX, XX }, |
| 1761 | { "str", Ew, XX, XX }, |
| 1762 | { "lldt", Ew, XX, XX }, |
| 1763 | { "ltr", Ew, XX, XX }, |
| 1764 | { "verr", Ew, XX, XX }, |
| 1765 | { "verw", Ew, XX, XX }, |
| 1766 | { "(bad)", XX, XX, XX }, |
| 1767 | { "(bad)", XX, XX, XX } |
| 1768 | }, |
| 1769 | /* GRP7 */ |
| 1770 | { |
| 1771 | { "sgdt", Ew, XX, XX }, |
| 1772 | { "sidt", Ew, XX, XX }, |
| 1773 | { "lgdt", Ew, XX, XX }, |
| 1774 | { "lidt", Ew, XX, XX }, |
| 1775 | { "smsw", Ew, XX, XX }, |
| 1776 | { "(bad)", XX, XX, XX }, |
| 1777 | { "lmsw", Ew, XX, XX }, |
| 1778 | { "invlpg", Ew, XX, XX }, |
| 1779 | }, |
| 1780 | /* GRP8 */ |
| 1781 | { |
| 1782 | { "(bad)", XX, XX, XX }, |
| 1783 | { "(bad)", XX, XX, XX }, |
| 1784 | { "(bad)", XX, XX, XX }, |
| 1785 | { "(bad)", XX, XX, XX }, |
| 1786 | { "btQ", Ev, Ib, XX }, |
| 1787 | { "btsQ", Ev, Ib, XX }, |
| 1788 | { "btrQ", Ev, Ib, XX }, |
| 1789 | { "btcQ", Ev, Ib, XX }, |
| 1790 | }, |
| 1791 | /* GRP9 */ |
| 1792 | { |
| 1793 | { "(bad)", XX, XX, XX }, |
| 1794 | { "cmpxchg8b", Ev, XX, XX }, |
| 1795 | { "(bad)", XX, XX, XX }, |
| 1796 | { "(bad)", XX, XX, XX }, |
| 1797 | { "(bad)", XX, XX, XX }, |
| 1798 | { "(bad)", XX, XX, XX }, |
| 1799 | { "(bad)", XX, XX, XX }, |
| 1800 | { "(bad)", XX, XX, XX }, |
| 1801 | }, |
| 1802 | /* GRP10 */ |
| 1803 | { |
| 1804 | { "(bad)", XX, XX, XX }, |
| 1805 | { "(bad)", XX, XX, XX }, |
| 1806 | { "psrlw", MS, Ib, XX }, |
| 1807 | { "(bad)", XX, XX, XX }, |
| 1808 | { "psraw", MS, Ib, XX }, |
| 1809 | { "(bad)", XX, XX, XX }, |
| 1810 | { "psllw", MS, Ib, XX }, |
| 1811 | { "(bad)", XX, XX, XX }, |
| 1812 | }, |
| 1813 | /* GRP11 */ |
| 1814 | { |
| 1815 | { "(bad)", XX, XX, XX }, |
| 1816 | { "(bad)", XX, XX, XX }, |
| 1817 | { "psrld", MS, Ib, XX }, |
| 1818 | { "(bad)", XX, XX, XX }, |
| 1819 | { "psrad", MS, Ib, XX }, |
| 1820 | { "(bad)", XX, XX, XX }, |
| 1821 | { "pslld", MS, Ib, XX }, |
| 1822 | { "(bad)", XX, XX, XX }, |
| 1823 | }, |
| 1824 | /* GRP12 */ |
| 1825 | { |
| 1826 | { "(bad)", XX, XX, XX }, |
| 1827 | { "(bad)", XX, XX, XX }, |
| 1828 | { "psrlq", MS, Ib, XX }, |
| 1829 | { "(bad)", XX, XX, XX }, |
| 1830 | { "(bad)", XX, XX, XX }, |
| 1831 | { "(bad)", XX, XX, XX }, |
| 1832 | { "psllq", MS, Ib, XX }, |
| 1833 | { "(bad)", XX, XX, XX }, |
| 1834 | }, |
| 1835 | /* GRP13 */ |
| 1836 | { |
| 1837 | { "fxsave", Ev, XX, XX }, |
| 1838 | { "fxrstor", Ev, XX, XX }, |
| 1839 | { "ldmxcsr", Ev, XX, XX }, |
| 1840 | { "stmxcsr", Ev, XX, XX }, |
| 1841 | { "(bad)", XX, XX, XX }, |
| 1842 | { "(bad)", XX, XX, XX }, |
| 1843 | { "(bad)", XX, XX, XX }, |
| 1844 | { "sfence", None, XX, XX }, |
| 1845 | }, |
| 1846 | /* GRP14 */ |
| 1847 | { |
| 1848 | { "prefetchnta", Ev, XX, XX }, |
| 1849 | { "prefetcht0", Ev, XX, XX }, |
| 1850 | { "prefetcht1", Ev, XX, XX }, |
| 1851 | { "prefetcht2", Ev, XX, XX }, |
| 1852 | { "(bad)", XX, XX, XX }, |
| 1853 | { "(bad)", XX, XX, XX }, |
| 1854 | { "(bad)", XX, XX, XX }, |
| 1855 | { "(bad)", XX, XX, XX }, |
| 1856 | }, |
| 1857 | /* GRPAMD */ |
| 1858 | { |
| 1859 | { "prefetch", Eb, XX, XX }, |
| 1860 | { "prefetchw", Eb, XX, XX }, |
| 1861 | { "(bad)", XX, XX, XX }, |
| 1862 | { "(bad)", XX, XX, XX }, |
| 1863 | { "(bad)", XX, XX, XX }, |
| 1864 | { "(bad)", XX, XX, XX }, |
| 1865 | { "(bad)", XX, XX, XX }, |
| 1866 | { "(bad)", XX, XX, XX }, |
| 1867 | } |
| 1868 | |
| 1869 | }; |
| 1870 | |
| 1871 | static const struct dis386 prefix_user_table[][2] = { |
| 1872 | /* PREGRP0 */ |
| 1873 | { |
| 1874 | { "addps", XM, EX, XX }, |
| 1875 | { "addss", XM, EX, XX }, |
| 1876 | }, |
| 1877 | /* PREGRP1 */ |
| 1878 | { |
| 1879 | { "", XM, EX, OPSIMD }, /* See OP_SIMD_SUFFIX */ |
| 1880 | { "", XM, EX, OPSIMD }, |
| 1881 | }, |
| 1882 | /* PREGRP2 */ |
| 1883 | { |
| 1884 | { "cvtpi2ps", XM, EM, XX }, |
| 1885 | { "cvtsi2ss", XM, Ev, XX }, |
| 1886 | }, |
| 1887 | /* PREGRP3 */ |
| 1888 | { |
| 1889 | { "cvtps2pi", MX, EX, XX }, |
| 1890 | { "cvtss2si", Gv, EX, XX }, |
| 1891 | }, |
| 1892 | /* PREGRP4 */ |
| 1893 | { |
| 1894 | { "cvttps2pi", MX, EX, XX }, |
| 1895 | { "cvttss2si", Gv, EX, XX }, |
| 1896 | }, |
| 1897 | /* PREGRP5 */ |
| 1898 | { |
| 1899 | { "divps", XM, EX, XX }, |
| 1900 | { "divss", XM, EX, XX }, |
| 1901 | }, |
| 1902 | /* PREGRP6 */ |
| 1903 | { |
| 1904 | { "maxps", XM, EX, XX }, |
| 1905 | { "maxss", XM, EX, XX }, |
| 1906 | }, |
| 1907 | /* PREGRP7 */ |
| 1908 | { |
| 1909 | { "minps", XM, EX, XX }, |
| 1910 | { "minss", XM, EX, XX }, |
| 1911 | }, |
| 1912 | /* PREGRP8 */ |
| 1913 | { |
| 1914 | { "movups", XM, EX, XX }, |
| 1915 | { "movss", XM, EX, XX }, |
| 1916 | }, |
| 1917 | /* PREGRP9 */ |
| 1918 | { |
| 1919 | { "movups", EX, XM, XX }, |
| 1920 | { "movss", EX, XM, XX }, |
| 1921 | }, |
| 1922 | /* PREGRP10 */ |
| 1923 | { |
| 1924 | { "mulps", XM, EX, XX }, |
| 1925 | { "mulss", XM, EX, XX }, |
| 1926 | }, |
| 1927 | /* PREGRP11 */ |
| 1928 | { |
| 1929 | { "rcpps", XM, EX, XX }, |
| 1930 | { "rcpss", XM, EX, XX }, |
| 1931 | }, |
| 1932 | /* PREGRP12 */ |
| 1933 | { |
| 1934 | { "rsqrtps", XM, EX, XX }, |
| 1935 | { "rsqrtss", XM, EX, XX }, |
| 1936 | }, |
| 1937 | /* PREGRP13 */ |
| 1938 | { |
| 1939 | { "sqrtps", XM, EX, XX }, |
| 1940 | { "sqrtss", XM, EX, XX }, |
| 1941 | }, |
| 1942 | /* PREGRP14 */ |
| 1943 | { |
| 1944 | { "subps", XM, EX, XX }, |
| 1945 | { "subss", XM, EX, XX }, |
| 1946 | } |
| 1947 | }; |
| 1948 | |
| 1949 | #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>") |
| 1950 | |
| 1951 | static void |
| 1952 | ckprefix () |
| 1953 | { |
| 1954 | prefixes = 0; |
| 1955 | used_prefixes = 0; |
| 1956 | while (1) |
| 1957 | { |
| 1958 | FETCH_DATA (the_info, codep + 1); |
| 1959 | switch (*codep) |
| 1960 | { |
| 1961 | case 0xf3: |
| 1962 | prefixes |= PREFIX_REPZ; |
| 1963 | break; |
| 1964 | case 0xf2: |
| 1965 | prefixes |= PREFIX_REPNZ; |
| 1966 | break; |
| 1967 | case 0xf0: |
| 1968 | prefixes |= PREFIX_LOCK; |
| 1969 | break; |
| 1970 | case 0x2e: |
| 1971 | prefixes |= PREFIX_CS; |
| 1972 | break; |
| 1973 | case 0x36: |
| 1974 | prefixes |= PREFIX_SS; |
| 1975 | break; |
| 1976 | case 0x3e: |
| 1977 | prefixes |= PREFIX_DS; |
| 1978 | break; |
| 1979 | case 0x26: |
| 1980 | prefixes |= PREFIX_ES; |
| 1981 | break; |
| 1982 | case 0x64: |
| 1983 | prefixes |= PREFIX_FS; |
| 1984 | break; |
| 1985 | case 0x65: |
| 1986 | prefixes |= PREFIX_GS; |
| 1987 | break; |
| 1988 | case 0x66: |
| 1989 | prefixes |= PREFIX_DATA; |
| 1990 | break; |
| 1991 | case 0x67: |
| 1992 | prefixes |= PREFIX_ADDR; |
| 1993 | break; |
| 1994 | case FWAIT_OPCODE: |
| 1995 | /* fwait is really an instruction. If there are prefixes |
| 1996 | before the fwait, they belong to the fwait, *not* to the |
| 1997 | following instruction. */ |
| 1998 | if (prefixes) |
| 1999 | { |
| 2000 | prefixes |= PREFIX_FWAIT; |
| 2001 | codep++; |
| 2002 | return; |
| 2003 | } |
| 2004 | prefixes = PREFIX_FWAIT; |
| 2005 | break; |
| 2006 | default: |
| 2007 | return; |
| 2008 | } |
| 2009 | codep++; |
| 2010 | } |
| 2011 | } |
| 2012 | |
| 2013 | /* Return the name of the prefix byte PREF, or NULL if PREF is not a |
| 2014 | prefix byte. */ |
| 2015 | |
| 2016 | static const char * |
| 2017 | prefix_name (pref, sizeflag) |
| 2018 | int pref; |
| 2019 | int sizeflag; |
| 2020 | { |
| 2021 | switch (pref) |
| 2022 | { |
| 2023 | case 0xf3: |
| 2024 | return "repz"; |
| 2025 | case 0xf2: |
| 2026 | return "repnz"; |
| 2027 | case 0xf0: |
| 2028 | return "lock"; |
| 2029 | case 0x2e: |
| 2030 | return "cs"; |
| 2031 | case 0x36: |
| 2032 | return "ss"; |
| 2033 | case 0x3e: |
| 2034 | return "ds"; |
| 2035 | case 0x26: |
| 2036 | return "es"; |
| 2037 | case 0x64: |
| 2038 | return "fs"; |
| 2039 | case 0x65: |
| 2040 | return "gs"; |
| 2041 | case 0x66: |
| 2042 | return (sizeflag & DFLAG) ? "data16" : "data32"; |
| 2043 | case 0x67: |
| 2044 | return (sizeflag & AFLAG) ? "addr16" : "addr32"; |
| 2045 | case FWAIT_OPCODE: |
| 2046 | return "fwait"; |
| 2047 | default: |
| 2048 | return NULL; |
| 2049 | } |
| 2050 | } |
| 2051 | |
| 2052 | static char op1out[100], op2out[100], op3out[100]; |
| 2053 | static int op_ad, op_index[3]; |
| 2054 | static unsigned int op_address[3]; |
| 2055 | static unsigned int start_pc; |
| 2056 | |
| 2057 | \f |
| 2058 | /* |
| 2059 | * On the 386's of 1988, the maximum length of an instruction is 15 bytes. |
| 2060 | * (see topic "Redundant prefixes" in the "Differences from 8086" |
| 2061 | * section of the "Virtual 8086 Mode" chapter.) |
| 2062 | * 'pc' should be the address of this instruction, it will |
| 2063 | * be used to print the target address if this is a relative jump or call |
| 2064 | * The function returns the length of this instruction in bytes. |
| 2065 | */ |
| 2066 | |
| 2067 | static int print_insn_i386 |
| 2068 | PARAMS ((bfd_vma pc, disassemble_info *info)); |
| 2069 | |
| 2070 | static char intel_syntax; |
| 2071 | static char open_char; |
| 2072 | static char close_char; |
| 2073 | static char separator_char; |
| 2074 | static char scale_char; |
| 2075 | |
| 2076 | int |
| 2077 | print_insn_i386_att (pc, info) |
| 2078 | bfd_vma pc; |
| 2079 | disassemble_info *info; |
| 2080 | { |
| 2081 | intel_syntax = 0; |
| 2082 | open_char = '('; |
| 2083 | close_char = ')'; |
| 2084 | separator_char = ','; |
| 2085 | scale_char = ','; |
| 2086 | |
| 2087 | return print_insn_i386 (pc, info); |
| 2088 | } |
| 2089 | |
| 2090 | int |
| 2091 | print_insn_i386_intel (pc, info) |
| 2092 | bfd_vma pc; |
| 2093 | disassemble_info *info; |
| 2094 | { |
| 2095 | intel_syntax = 1; |
| 2096 | open_char = '['; |
| 2097 | close_char = ']'; |
| 2098 | separator_char = '+'; |
| 2099 | scale_char = '*'; |
| 2100 | |
| 2101 | return print_insn_i386 (pc, info); |
| 2102 | } |
| 2103 | |
| 2104 | static int |
| 2105 | print_insn_i386 (pc, info) |
| 2106 | bfd_vma pc; |
| 2107 | disassemble_info *info; |
| 2108 | { |
| 2109 | const struct dis386 *dp; |
| 2110 | int i; |
| 2111 | int two_source_ops; |
| 2112 | char *first, *second, *third; |
| 2113 | int needcomma; |
| 2114 | unsigned char need_modrm; |
| 2115 | unsigned char uses_f3_prefix; |
| 2116 | VOLATILE int sizeflag; |
| 2117 | VOLATILE int orig_sizeflag; |
| 2118 | |
| 2119 | struct dis_private priv; |
| 2120 | bfd_byte *inbuf = priv.the_buffer; |
| 2121 | |
| 2122 | if (info->mach == bfd_mach_i386_i386 |
| 2123 | || info->mach == bfd_mach_i386_i386_intel_syntax) |
| 2124 | sizeflag = AFLAG|DFLAG; |
| 2125 | else if (info->mach == bfd_mach_i386_i8086) |
| 2126 | sizeflag = 0; |
| 2127 | else |
| 2128 | abort (); |
| 2129 | orig_sizeflag = sizeflag; |
| 2130 | |
| 2131 | /* The output looks better if we put 7 bytes on a line, since that |
| 2132 | puts most long word instructions on a single line. */ |
| 2133 | info->bytes_per_line = 7; |
| 2134 | |
| 2135 | info->private_data = (PTR) &priv; |
| 2136 | priv.max_fetched = priv.the_buffer; |
| 2137 | priv.insn_start = pc; |
| 2138 | |
| 2139 | obuf[0] = 0; |
| 2140 | op1out[0] = 0; |
| 2141 | op2out[0] = 0; |
| 2142 | op3out[0] = 0; |
| 2143 | |
| 2144 | op_index[0] = op_index[1] = op_index[2] = -1; |
| 2145 | |
| 2146 | the_info = info; |
| 2147 | start_pc = pc; |
| 2148 | start_codep = inbuf; |
| 2149 | codep = inbuf; |
| 2150 | |
| 2151 | if (setjmp (priv.bailout) != 0) |
| 2152 | { |
| 2153 | const char *name; |
| 2154 | |
| 2155 | /* Getting here means we tried for data but didn't get it. That |
| 2156 | means we have an incomplete instruction of some sort. Just |
| 2157 | print the first byte as a prefix or a .byte pseudo-op. */ |
| 2158 | if (codep > inbuf) |
| 2159 | { |
| 2160 | name = prefix_name (inbuf[0], orig_sizeflag); |
| 2161 | if (name != NULL) |
| 2162 | (*info->fprintf_func) (info->stream, "%s", name); |
| 2163 | else |
| 2164 | { |
| 2165 | /* Just print the first byte as a .byte instruction. */ |
| 2166 | (*info->fprintf_func) (info->stream, ".byte 0x%x", |
| 2167 | (unsigned int) inbuf[0]); |
| 2168 | } |
| 2169 | |
| 2170 | return 1; |
| 2171 | } |
| 2172 | |
| 2173 | return -1; |
| 2174 | } |
| 2175 | |
| 2176 | ckprefix (); |
| 2177 | |
| 2178 | insn_codep = codep; |
| 2179 | |
| 2180 | FETCH_DATA (info, codep + 1); |
| 2181 | two_source_ops = (*codep == 0x62) || (*codep == 0xc8); |
| 2182 | |
| 2183 | obufp = obuf; |
| 2184 | |
| 2185 | if ((prefixes & PREFIX_FWAIT) |
| 2186 | && ((*codep < 0xd8) || (*codep > 0xdf))) |
| 2187 | { |
| 2188 | const char *name; |
| 2189 | |
| 2190 | /* fwait not followed by floating point instruction. Print the |
| 2191 | first prefix, which is probably fwait itself. */ |
| 2192 | name = prefix_name (inbuf[0], orig_sizeflag); |
| 2193 | if (name == NULL) |
| 2194 | name = INTERNAL_DISASSEMBLER_ERROR; |
| 2195 | (*info->fprintf_func) (info->stream, "%s", name); |
| 2196 | return 1; |
| 2197 | } |
| 2198 | |
| 2199 | if (*codep == 0x0f) |
| 2200 | { |
| 2201 | FETCH_DATA (info, codep + 2); |
| 2202 | if (intel_syntax) |
| 2203 | dp = &dis386_twobyte_intel[*++codep]; |
| 2204 | else |
| 2205 | dp = &dis386_twobyte_att[*++codep]; |
| 2206 | need_modrm = twobyte_has_modrm[*codep]; |
| 2207 | uses_f3_prefix = twobyte_uses_f3_prefix[*codep]; |
| 2208 | } |
| 2209 | else |
| 2210 | { |
| 2211 | if (intel_syntax) |
| 2212 | dp = &dis386_intel[*codep]; |
| 2213 | else |
| 2214 | dp = &dis386_att[*codep]; |
| 2215 | need_modrm = onebyte_has_modrm[*codep]; |
| 2216 | uses_f3_prefix = 0; |
| 2217 | } |
| 2218 | codep++; |
| 2219 | |
| 2220 | if (!uses_f3_prefix && (prefixes & PREFIX_REPZ)) |
| 2221 | { |
| 2222 | oappend ("repz "); |
| 2223 | used_prefixes |= PREFIX_REPZ; |
| 2224 | } |
| 2225 | if (prefixes & PREFIX_REPNZ) |
| 2226 | { |
| 2227 | oappend ("repnz "); |
| 2228 | used_prefixes |= PREFIX_REPNZ; |
| 2229 | } |
| 2230 | if (prefixes & PREFIX_LOCK) |
| 2231 | { |
| 2232 | oappend ("lock "); |
| 2233 | used_prefixes |= PREFIX_LOCK; |
| 2234 | } |
| 2235 | |
| 2236 | if (prefixes & PREFIX_DATA) |
| 2237 | sizeflag ^= DFLAG; |
| 2238 | |
| 2239 | if (prefixes & PREFIX_ADDR) |
| 2240 | { |
| 2241 | sizeflag ^= AFLAG; |
| 2242 | if (sizeflag & AFLAG) |
| 2243 | oappend ("addr32 "); |
| 2244 | else |
| 2245 | oappend ("addr16 "); |
| 2246 | used_prefixes |= PREFIX_ADDR; |
| 2247 | } |
| 2248 | |
| 2249 | if (need_modrm) |
| 2250 | { |
| 2251 | FETCH_DATA (info, codep + 1); |
| 2252 | mod = (*codep >> 6) & 3; |
| 2253 | reg = (*codep >> 3) & 7; |
| 2254 | rm = *codep & 7; |
| 2255 | } |
| 2256 | |
| 2257 | if (dp->name == NULL && dp->bytemode1 == FLOATCODE) |
| 2258 | { |
| 2259 | dofloat (sizeflag); |
| 2260 | } |
| 2261 | else |
| 2262 | { |
| 2263 | if (dp->name == NULL) |
| 2264 | { |
| 2265 | switch(dp->bytemode2) |
| 2266 | { |
| 2267 | case USE_GROUPS: |
| 2268 | dp = &grps[dp->bytemode1][reg]; |
| 2269 | break; |
| 2270 | case USE_PREFIX_USER_TABLE: |
| 2271 | dp = &prefix_user_table[dp->bytemode1][prefixes & PREFIX_REPZ ? 1 : 0]; |
| 2272 | used_prefixes |= (prefixes & PREFIX_REPZ); |
| 2273 | break; |
| 2274 | default: |
| 2275 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 2276 | break; |
| 2277 | } |
| 2278 | } |
| 2279 | |
| 2280 | putop (dp->name, sizeflag); |
| 2281 | |
| 2282 | obufp = op1out; |
| 2283 | op_ad = 2; |
| 2284 | if (dp->op1) |
| 2285 | (*dp->op1)(dp->bytemode1, sizeflag); |
| 2286 | |
| 2287 | obufp = op2out; |
| 2288 | op_ad = 1; |
| 2289 | if (dp->op2) |
| 2290 | (*dp->op2)(dp->bytemode2, sizeflag); |
| 2291 | |
| 2292 | obufp = op3out; |
| 2293 | op_ad = 0; |
| 2294 | if (dp->op3) |
| 2295 | (*dp->op3)(dp->bytemode3, sizeflag); |
| 2296 | } |
| 2297 | |
| 2298 | /* See if any prefixes were not used. If so, print the first one |
| 2299 | separately. If we don't do this, we'll wind up printing an |
| 2300 | instruction stream which does not precisely correspond to the |
| 2301 | bytes we are disassembling. */ |
| 2302 | if ((prefixes & ~used_prefixes) != 0) |
| 2303 | { |
| 2304 | const char *name; |
| 2305 | |
| 2306 | name = prefix_name (inbuf[0], orig_sizeflag); |
| 2307 | if (name == NULL) |
| 2308 | name = INTERNAL_DISASSEMBLER_ERROR; |
| 2309 | (*info->fprintf_func) (info->stream, "%s", name); |
| 2310 | return 1; |
| 2311 | } |
| 2312 | |
| 2313 | obufp = obuf + strlen (obuf); |
| 2314 | for (i = strlen (obuf); i < 6; i++) |
| 2315 | oappend (" "); |
| 2316 | oappend (" "); |
| 2317 | (*info->fprintf_func) (info->stream, "%s", obuf); |
| 2318 | |
| 2319 | /* The enter and bound instructions are printed with operands in the same |
| 2320 | order as the intel book; everything else is printed in reverse order. */ |
| 2321 | if (intel_syntax || two_source_ops) |
| 2322 | { |
| 2323 | first = op1out; |
| 2324 | second = op2out; |
| 2325 | third = op3out; |
| 2326 | op_ad = op_index[0]; |
| 2327 | op_index[0] = op_index[2]; |
| 2328 | op_index[2] = op_ad; |
| 2329 | } |
| 2330 | else |
| 2331 | { |
| 2332 | first = op3out; |
| 2333 | second = op2out; |
| 2334 | third = op1out; |
| 2335 | } |
| 2336 | needcomma = 0; |
| 2337 | if (*first) |
| 2338 | { |
| 2339 | if (op_index[0] != -1) |
| 2340 | (*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info); |
| 2341 | else |
| 2342 | (*info->fprintf_func) (info->stream, "%s", first); |
| 2343 | needcomma = 1; |
| 2344 | } |
| 2345 | if (*second) |
| 2346 | { |
| 2347 | if (needcomma) |
| 2348 | (*info->fprintf_func) (info->stream, ","); |
| 2349 | if (op_index[1] != -1) |
| 2350 | (*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info); |
| 2351 | else |
| 2352 | (*info->fprintf_func) (info->stream, "%s", second); |
| 2353 | needcomma = 1; |
| 2354 | } |
| 2355 | if (*third) |
| 2356 | { |
| 2357 | if (needcomma) |
| 2358 | (*info->fprintf_func) (info->stream, ","); |
| 2359 | if (op_index[2] != -1) |
| 2360 | (*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info); |
| 2361 | else |
| 2362 | (*info->fprintf_func) (info->stream, "%s", third); |
| 2363 | } |
| 2364 | return codep - inbuf; |
| 2365 | } |
| 2366 | |
| 2367 | static const char *float_mem_att[] = { |
| 2368 | /* d8 */ |
| 2369 | "fadds", |
| 2370 | "fmuls", |
| 2371 | "fcoms", |
| 2372 | "fcomps", |
| 2373 | "fsubs", |
| 2374 | "fsubrs", |
| 2375 | "fdivs", |
| 2376 | "fdivrs", |
| 2377 | /* d9 */ |
| 2378 | "flds", |
| 2379 | "(bad)", |
| 2380 | "fsts", |
| 2381 | "fstps", |
| 2382 | "fldenv", |
| 2383 | "fldcw", |
| 2384 | "fNstenv", |
| 2385 | "fNstcw", |
| 2386 | /* da */ |
| 2387 | "fiaddl", |
| 2388 | "fimull", |
| 2389 | "ficoml", |
| 2390 | "ficompl", |
| 2391 | "fisubl", |
| 2392 | "fisubrl", |
| 2393 | "fidivl", |
| 2394 | "fidivrl", |
| 2395 | /* db */ |
| 2396 | "fildl", |
| 2397 | "(bad)", |
| 2398 | "fistl", |
| 2399 | "fistpl", |
| 2400 | "(bad)", |
| 2401 | "fldt", |
| 2402 | "(bad)", |
| 2403 | "fstpt", |
| 2404 | /* dc */ |
| 2405 | "faddl", |
| 2406 | "fmull", |
| 2407 | "fcoml", |
| 2408 | "fcompl", |
| 2409 | "fsubl", |
| 2410 | "fsubrl", |
| 2411 | "fdivl", |
| 2412 | "fdivrl", |
| 2413 | /* dd */ |
| 2414 | "fldl", |
| 2415 | "(bad)", |
| 2416 | "fstl", |
| 2417 | "fstpl", |
| 2418 | "frstor", |
| 2419 | "(bad)", |
| 2420 | "fNsave", |
| 2421 | "fNstsw", |
| 2422 | /* de */ |
| 2423 | "fiadd", |
| 2424 | "fimul", |
| 2425 | "ficom", |
| 2426 | "ficomp", |
| 2427 | "fisub", |
| 2428 | "fisubr", |
| 2429 | "fidiv", |
| 2430 | "fidivr", |
| 2431 | /* df */ |
| 2432 | "fild", |
| 2433 | "(bad)", |
| 2434 | "fist", |
| 2435 | "fistp", |
| 2436 | "fbld", |
| 2437 | "fildll", |
| 2438 | "fbstp", |
| 2439 | "fistpll", |
| 2440 | }; |
| 2441 | |
| 2442 | static const char *float_mem_intel[] = { |
| 2443 | /* d8 */ |
| 2444 | "fadd", |
| 2445 | "fmul", |
| 2446 | "fcom", |
| 2447 | "fcomp", |
| 2448 | "fsub", |
| 2449 | "fsubr", |
| 2450 | "fdiv", |
| 2451 | "fdivr", |
| 2452 | /* d9 */ |
| 2453 | "fld", |
| 2454 | "(bad)", |
| 2455 | "fst", |
| 2456 | "fstp", |
| 2457 | "fldenv", |
| 2458 | "fldcw", |
| 2459 | "fNstenv", |
| 2460 | "fNstcw", |
| 2461 | /* da */ |
| 2462 | "fiadd", |
| 2463 | "fimul", |
| 2464 | "ficom", |
| 2465 | "ficomp", |
| 2466 | "fisub", |
| 2467 | "fisubr", |
| 2468 | "fidiv", |
| 2469 | "fidivr", |
| 2470 | /* db */ |
| 2471 | "fild", |
| 2472 | "(bad)", |
| 2473 | "fist", |
| 2474 | "fistp", |
| 2475 | "(bad)", |
| 2476 | "fld", |
| 2477 | "(bad)", |
| 2478 | "fstp", |
| 2479 | /* dc */ |
| 2480 | "fadd", |
| 2481 | "fmul", |
| 2482 | "fcom", |
| 2483 | "fcomp", |
| 2484 | "fsub", |
| 2485 | "fsubr", |
| 2486 | "fdiv", |
| 2487 | "fdivr", |
| 2488 | /* dd */ |
| 2489 | "fld", |
| 2490 | "(bad)", |
| 2491 | "fst", |
| 2492 | "fstp", |
| 2493 | "frstor", |
| 2494 | "(bad)", |
| 2495 | "fNsave", |
| 2496 | "fNstsw", |
| 2497 | /* de */ |
| 2498 | "fiadd", |
| 2499 | "fimul", |
| 2500 | "ficom", |
| 2501 | "ficomp", |
| 2502 | "fisub", |
| 2503 | "fisubr", |
| 2504 | "fidiv", |
| 2505 | "fidivr", |
| 2506 | /* df */ |
| 2507 | "fild", |
| 2508 | "(bad)", |
| 2509 | "fist", |
| 2510 | "fistp", |
| 2511 | "fbld", |
| 2512 | "fild", |
| 2513 | "fbstp", |
| 2514 | "fistpll", |
| 2515 | }; |
| 2516 | |
| 2517 | #define ST OP_ST, 0 |
| 2518 | #define STi OP_STi, 0 |
| 2519 | |
| 2520 | #define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0 |
| 2521 | #define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0 |
| 2522 | #define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0 |
| 2523 | #define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0 |
| 2524 | #define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0 |
| 2525 | #define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0 |
| 2526 | #define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0 |
| 2527 | #define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0 |
| 2528 | #define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0 |
| 2529 | |
| 2530 | static const struct dis386 float_reg[][8] = { |
| 2531 | /* d8 */ |
| 2532 | { |
| 2533 | { "fadd", ST, STi, XX }, |
| 2534 | { "fmul", ST, STi, XX }, |
| 2535 | { "fcom", STi, XX, XX }, |
| 2536 | { "fcomp", STi, XX, XX }, |
| 2537 | { "fsub", ST, STi, XX }, |
| 2538 | { "fsubr", ST, STi, XX }, |
| 2539 | { "fdiv", ST, STi, XX }, |
| 2540 | { "fdivr", ST, STi, XX }, |
| 2541 | }, |
| 2542 | /* d9 */ |
| 2543 | { |
| 2544 | { "fld", STi, XX, XX }, |
| 2545 | { "fxch", STi, XX, XX }, |
| 2546 | { FGRPd9_2 }, |
| 2547 | { "(bad)", XX, XX, XX }, |
| 2548 | { FGRPd9_4 }, |
| 2549 | { FGRPd9_5 }, |
| 2550 | { FGRPd9_6 }, |
| 2551 | { FGRPd9_7 }, |
| 2552 | }, |
| 2553 | /* da */ |
| 2554 | { |
| 2555 | { "fcmovb", ST, STi, XX }, |
| 2556 | { "fcmove", ST, STi, XX }, |
| 2557 | { "fcmovbe",ST, STi, XX }, |
| 2558 | { "fcmovu", ST, STi, XX }, |
| 2559 | { "(bad)", XX, XX, XX }, |
| 2560 | { FGRPda_5 }, |
| 2561 | { "(bad)", XX, XX, XX }, |
| 2562 | { "(bad)", XX, XX, XX }, |
| 2563 | }, |
| 2564 | /* db */ |
| 2565 | { |
| 2566 | { "fcmovnb",ST, STi, XX }, |
| 2567 | { "fcmovne",ST, STi, XX }, |
| 2568 | { "fcmovnbe",ST, STi, XX }, |
| 2569 | { "fcmovnu",ST, STi, XX }, |
| 2570 | { FGRPdb_4 }, |
| 2571 | { "fucomi", ST, STi, XX }, |
| 2572 | { "fcomi", ST, STi, XX }, |
| 2573 | { "(bad)", XX, XX, XX }, |
| 2574 | }, |
| 2575 | /* dc */ |
| 2576 | { |
| 2577 | { "fadd", STi, ST, XX }, |
| 2578 | { "fmul", STi, ST, XX }, |
| 2579 | { "(bad)", XX, XX, XX }, |
| 2580 | { "(bad)", XX, XX, XX }, |
| 2581 | #if UNIXWARE_COMPAT |
| 2582 | { "fsub", STi, ST, XX }, |
| 2583 | { "fsubr", STi, ST, XX }, |
| 2584 | { "fdiv", STi, ST, XX }, |
| 2585 | { "fdivr", STi, ST, XX }, |
| 2586 | #else |
| 2587 | { "fsubr", STi, ST, XX }, |
| 2588 | { "fsub", STi, ST, XX }, |
| 2589 | { "fdivr", STi, ST, XX }, |
| 2590 | { "fdiv", STi, ST, XX }, |
| 2591 | #endif |
| 2592 | }, |
| 2593 | /* dd */ |
| 2594 | { |
| 2595 | { "ffree", STi, XX, XX }, |
| 2596 | { "(bad)", XX, XX, XX }, |
| 2597 | { "fst", STi, XX, XX }, |
| 2598 | { "fstp", STi, XX, XX }, |
| 2599 | { "fucom", STi, XX, XX }, |
| 2600 | { "fucomp", STi, XX, XX }, |
| 2601 | { "(bad)", XX, XX, XX }, |
| 2602 | { "(bad)", XX, XX, XX }, |
| 2603 | }, |
| 2604 | /* de */ |
| 2605 | { |
| 2606 | { "faddp", STi, ST, XX }, |
| 2607 | { "fmulp", STi, ST, XX }, |
| 2608 | { "(bad)", XX, XX, XX }, |
| 2609 | { FGRPde_3 }, |
| 2610 | #if UNIXWARE_COMPAT |
| 2611 | { "fsubp", STi, ST, XX }, |
| 2612 | { "fsubrp", STi, ST, XX }, |
| 2613 | { "fdivp", STi, ST, XX }, |
| 2614 | { "fdivrp", STi, ST, XX }, |
| 2615 | #else |
| 2616 | { "fsubrp", STi, ST, XX }, |
| 2617 | { "fsubp", STi, ST, XX }, |
| 2618 | { "fdivrp", STi, ST, XX }, |
| 2619 | { "fdivp", STi, ST, XX }, |
| 2620 | #endif |
| 2621 | }, |
| 2622 | /* df */ |
| 2623 | { |
| 2624 | { "(bad)", XX, XX, XX }, |
| 2625 | { "(bad)", XX, XX, XX }, |
| 2626 | { "(bad)", XX, XX, XX }, |
| 2627 | { "(bad)", XX, XX, XX }, |
| 2628 | { FGRPdf_4 }, |
| 2629 | { "fucomip",ST, STi, XX }, |
| 2630 | { "fcomip", ST, STi, XX }, |
| 2631 | { "(bad)", XX, XX, XX }, |
| 2632 | }, |
| 2633 | }; |
| 2634 | |
| 2635 | |
| 2636 | static char *fgrps[][8] = { |
| 2637 | /* d9_2 0 */ |
| 2638 | { |
| 2639 | "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", |
| 2640 | }, |
| 2641 | |
| 2642 | /* d9_4 1 */ |
| 2643 | { |
| 2644 | "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)", |
| 2645 | }, |
| 2646 | |
| 2647 | /* d9_5 2 */ |
| 2648 | { |
| 2649 | "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)", |
| 2650 | }, |
| 2651 | |
| 2652 | /* d9_6 3 */ |
| 2653 | { |
| 2654 | "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp", |
| 2655 | }, |
| 2656 | |
| 2657 | /* d9_7 4 */ |
| 2658 | { |
| 2659 | "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos", |
| 2660 | }, |
| 2661 | |
| 2662 | /* da_5 5 */ |
| 2663 | { |
| 2664 | "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", |
| 2665 | }, |
| 2666 | |
| 2667 | /* db_4 6 */ |
| 2668 | { |
| 2669 | "feni(287 only)","fdisi(287 only)","fNclex","fNinit", |
| 2670 | "fNsetpm(287 only)","(bad)","(bad)","(bad)", |
| 2671 | }, |
| 2672 | |
| 2673 | /* de_3 7 */ |
| 2674 | { |
| 2675 | "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", |
| 2676 | }, |
| 2677 | |
| 2678 | /* df_4 8 */ |
| 2679 | { |
| 2680 | "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", |
| 2681 | }, |
| 2682 | }; |
| 2683 | |
| 2684 | static void |
| 2685 | dofloat (sizeflag) |
| 2686 | int sizeflag; |
| 2687 | { |
| 2688 | const struct dis386 *dp; |
| 2689 | unsigned char floatop; |
| 2690 | |
| 2691 | floatop = codep[-1]; |
| 2692 | |
| 2693 | if (mod != 3) |
| 2694 | { |
| 2695 | if (intel_syntax) |
| 2696 | putop (float_mem_intel[(floatop - 0xd8 ) * 8 + reg], sizeflag); |
| 2697 | else |
| 2698 | putop (float_mem_att[(floatop - 0xd8 ) * 8 + reg], sizeflag); |
| 2699 | obufp = op1out; |
| 2700 | if (floatop == 0xdb) |
| 2701 | OP_E (x_mode, sizeflag); |
| 2702 | else if (floatop == 0xdd) |
| 2703 | OP_E (d_mode, sizeflag); |
| 2704 | else |
| 2705 | OP_E (v_mode, sizeflag); |
| 2706 | return; |
| 2707 | } |
| 2708 | codep++; |
| 2709 | |
| 2710 | dp = &float_reg[floatop - 0xd8][reg]; |
| 2711 | if (dp->name == NULL) |
| 2712 | { |
| 2713 | putop (fgrps[dp->bytemode1][rm], sizeflag); |
| 2714 | |
| 2715 | /* instruction fnstsw is only one with strange arg */ |
| 2716 | if (floatop == 0xdf && codep[-1] == 0xe0) |
| 2717 | strcpy (op1out, names16[0]); |
| 2718 | } |
| 2719 | else |
| 2720 | { |
| 2721 | putop (dp->name, sizeflag); |
| 2722 | |
| 2723 | obufp = op1out; |
| 2724 | if (dp->op1) |
| 2725 | (*dp->op1)(dp->bytemode1, sizeflag); |
| 2726 | obufp = op2out; |
| 2727 | if (dp->op2) |
| 2728 | (*dp->op2)(dp->bytemode2, sizeflag); |
| 2729 | } |
| 2730 | } |
| 2731 | |
| 2732 | /* ARGSUSED */ |
| 2733 | static void |
| 2734 | OP_ST (ignore, sizeflag) |
| 2735 | int ignore ATTRIBUTE_UNUSED; |
| 2736 | int sizeflag ATTRIBUTE_UNUSED; |
| 2737 | { |
| 2738 | oappend ("%st"); |
| 2739 | } |
| 2740 | |
| 2741 | /* ARGSUSED */ |
| 2742 | static void |
| 2743 | OP_STi (ignore, sizeflag) |
| 2744 | int ignore ATTRIBUTE_UNUSED; |
| 2745 | int sizeflag ATTRIBUTE_UNUSED; |
| 2746 | { |
| 2747 | sprintf (scratchbuf, "%%st(%d)", rm); |
| 2748 | oappend (scratchbuf); |
| 2749 | } |
| 2750 | |
| 2751 | |
| 2752 | /* capital letters in template are macros */ |
| 2753 | static void |
| 2754 | putop (template, sizeflag) |
| 2755 | const char *template; |
| 2756 | int sizeflag; |
| 2757 | { |
| 2758 | const char *p; |
| 2759 | |
| 2760 | for (p = template; *p; p++) |
| 2761 | { |
| 2762 | switch (*p) |
| 2763 | { |
| 2764 | default: |
| 2765 | *obufp++ = *p; |
| 2766 | break; |
| 2767 | case 'A': |
| 2768 | if (intel_syntax) |
| 2769 | break; |
| 2770 | if (mod != 3 |
| 2771 | #ifdef SUFFIX_ALWAYS |
| 2772 | || (sizeflag & SUFFIX_ALWAYS) |
| 2773 | #endif |
| 2774 | ) |
| 2775 | *obufp++ = 'b'; |
| 2776 | break; |
| 2777 | case 'B': |
| 2778 | if (intel_syntax) |
| 2779 | break; |
| 2780 | #ifdef SUFFIX_ALWAYS |
| 2781 | if (sizeflag & SUFFIX_ALWAYS) |
| 2782 | *obufp++ = 'b'; |
| 2783 | #endif |
| 2784 | break; |
| 2785 | case 'E': /* For jcxz/jecxz */ |
| 2786 | if (sizeflag & AFLAG) |
| 2787 | *obufp++ = 'e'; |
| 2788 | break; |
| 2789 | case 'L': |
| 2790 | if (intel_syntax) |
| 2791 | break; |
| 2792 | #ifdef SUFFIX_ALWAYS |
| 2793 | if (sizeflag & SUFFIX_ALWAYS) |
| 2794 | *obufp++ = 'l'; |
| 2795 | #endif |
| 2796 | break; |
| 2797 | case 'N': |
| 2798 | if ((prefixes & PREFIX_FWAIT) == 0) |
| 2799 | *obufp++ = 'n'; |
| 2800 | else |
| 2801 | used_prefixes |= PREFIX_FWAIT; |
| 2802 | break; |
| 2803 | case 'P': |
| 2804 | if (intel_syntax) |
| 2805 | break; |
| 2806 | if ((prefixes & PREFIX_DATA) |
| 2807 | #ifdef SUFFIX_ALWAYS |
| 2808 | || (sizeflag & SUFFIX_ALWAYS) |
| 2809 | #endif |
| 2810 | ) |
| 2811 | { |
| 2812 | if (sizeflag & DFLAG) |
| 2813 | *obufp++ = 'l'; |
| 2814 | else |
| 2815 | *obufp++ = 'w'; |
| 2816 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 2817 | } |
| 2818 | break; |
| 2819 | case 'Q': |
| 2820 | if (intel_syntax) |
| 2821 | break; |
| 2822 | if (mod != 3 |
| 2823 | #ifdef SUFFIX_ALWAYS |
| 2824 | || (sizeflag & SUFFIX_ALWAYS) |
| 2825 | #endif |
| 2826 | ) |
| 2827 | { |
| 2828 | if (sizeflag & DFLAG) |
| 2829 | *obufp++ = 'l'; |
| 2830 | else |
| 2831 | *obufp++ = 'w'; |
| 2832 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 2833 | } |
| 2834 | break; |
| 2835 | case 'R': |
| 2836 | if (intel_syntax) |
| 2837 | { |
| 2838 | if (sizeflag & DFLAG) |
| 2839 | { |
| 2840 | *obufp++ = 'd'; |
| 2841 | *obufp++ = 'q'; |
| 2842 | } |
| 2843 | else |
| 2844 | { |
| 2845 | *obufp++ = 'w'; |
| 2846 | *obufp++ = 'd'; |
| 2847 | } |
| 2848 | } |
| 2849 | else |
| 2850 | { |
| 2851 | if (sizeflag & DFLAG) |
| 2852 | *obufp++ = 'l'; |
| 2853 | else |
| 2854 | *obufp++ = 'w'; |
| 2855 | } |
| 2856 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 2857 | break; |
| 2858 | case 'S': |
| 2859 | if (intel_syntax) |
| 2860 | break; |
| 2861 | #ifdef SUFFIX_ALWAYS |
| 2862 | if (sizeflag & SUFFIX_ALWAYS) |
| 2863 | { |
| 2864 | if (sizeflag & DFLAG) |
| 2865 | *obufp++ = 'l'; |
| 2866 | else |
| 2867 | *obufp++ = 'w'; |
| 2868 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 2869 | } |
| 2870 | #endif |
| 2871 | break; |
| 2872 | case 'W': |
| 2873 | /* operand size flag for cwtl, cbtw */ |
| 2874 | if (sizeflag & DFLAG) |
| 2875 | *obufp++ = 'w'; |
| 2876 | else |
| 2877 | *obufp++ = 'b'; |
| 2878 | if (intel_syntax) |
| 2879 | { |
| 2880 | if (sizeflag & DFLAG) |
| 2881 | { |
| 2882 | *obufp++ = 'd'; |
| 2883 | *obufp++ = 'e'; |
| 2884 | } |
| 2885 | else |
| 2886 | { |
| 2887 | *obufp++ = 'w'; |
| 2888 | } |
| 2889 | } |
| 2890 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 2891 | break; |
| 2892 | } |
| 2893 | } |
| 2894 | *obufp = 0; |
| 2895 | } |
| 2896 | |
| 2897 | static void |
| 2898 | oappend (s) |
| 2899 | const char *s; |
| 2900 | { |
| 2901 | strcpy (obufp, s); |
| 2902 | obufp += strlen (s); |
| 2903 | } |
| 2904 | |
| 2905 | static void |
| 2906 | append_seg () |
| 2907 | { |
| 2908 | if (prefixes & PREFIX_CS) |
| 2909 | { |
| 2910 | oappend ("%cs:"); |
| 2911 | used_prefixes |= PREFIX_CS; |
| 2912 | } |
| 2913 | if (prefixes & PREFIX_DS) |
| 2914 | { |
| 2915 | oappend ("%ds:"); |
| 2916 | used_prefixes |= PREFIX_DS; |
| 2917 | } |
| 2918 | if (prefixes & PREFIX_SS) |
| 2919 | { |
| 2920 | oappend ("%ss:"); |
| 2921 | used_prefixes |= PREFIX_SS; |
| 2922 | } |
| 2923 | if (prefixes & PREFIX_ES) |
| 2924 | { |
| 2925 | oappend ("%es:"); |
| 2926 | used_prefixes |= PREFIX_ES; |
| 2927 | } |
| 2928 | if (prefixes & PREFIX_FS) |
| 2929 | { |
| 2930 | oappend ("%fs:"); |
| 2931 | used_prefixes |= PREFIX_FS; |
| 2932 | } |
| 2933 | if (prefixes & PREFIX_GS) |
| 2934 | { |
| 2935 | oappend ("%gs:"); |
| 2936 | used_prefixes |= PREFIX_GS; |
| 2937 | } |
| 2938 | } |
| 2939 | |
| 2940 | static void |
| 2941 | OP_indirE (bytemode, sizeflag) |
| 2942 | int bytemode; |
| 2943 | int sizeflag; |
| 2944 | { |
| 2945 | if (!intel_syntax) |
| 2946 | oappend ("*"); |
| 2947 | OP_E (bytemode, sizeflag); |
| 2948 | } |
| 2949 | |
| 2950 | static void |
| 2951 | OP_E (bytemode, sizeflag) |
| 2952 | int bytemode; |
| 2953 | int sizeflag; |
| 2954 | { |
| 2955 | int disp; |
| 2956 | |
| 2957 | /* skip mod/rm byte */ |
| 2958 | codep++; |
| 2959 | |
| 2960 | if (mod == 3) |
| 2961 | { |
| 2962 | switch (bytemode) |
| 2963 | { |
| 2964 | case b_mode: |
| 2965 | oappend (names8[rm]); |
| 2966 | break; |
| 2967 | case w_mode: |
| 2968 | oappend (names16[rm]); |
| 2969 | break; |
| 2970 | case d_mode: |
| 2971 | oappend (names32[rm]); |
| 2972 | break; |
| 2973 | case v_mode: |
| 2974 | if (sizeflag & DFLAG) |
| 2975 | oappend (names32[rm]); |
| 2976 | else |
| 2977 | oappend (names16[rm]); |
| 2978 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 2979 | break; |
| 2980 | case 0: |
| 2981 | if ( !(codep[-2] == 0xAE && codep[-1] == 0xF8 /* sfence */)) |
| 2982 | BadOp(); /* bad sfence,lea,lds,les,lfs,lgs,lss modrm */ |
| 2983 | break; |
| 2984 | default: |
| 2985 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 2986 | break; |
| 2987 | } |
| 2988 | return; |
| 2989 | } |
| 2990 | |
| 2991 | disp = 0; |
| 2992 | append_seg (); |
| 2993 | |
| 2994 | if (sizeflag & AFLAG) /* 32 bit address mode */ |
| 2995 | { |
| 2996 | int havesib; |
| 2997 | int havebase; |
| 2998 | int base; |
| 2999 | int index = 0; |
| 3000 | int scale = 0; |
| 3001 | |
| 3002 | havesib = 0; |
| 3003 | havebase = 1; |
| 3004 | base = rm; |
| 3005 | |
| 3006 | if (base == 4) |
| 3007 | { |
| 3008 | havesib = 1; |
| 3009 | FETCH_DATA (the_info, codep + 1); |
| 3010 | scale = (*codep >> 6) & 3; |
| 3011 | index = (*codep >> 3) & 7; |
| 3012 | base = *codep & 7; |
| 3013 | codep++; |
| 3014 | } |
| 3015 | |
| 3016 | switch (mod) |
| 3017 | { |
| 3018 | case 0: |
| 3019 | if (base == 5) |
| 3020 | { |
| 3021 | havebase = 0; |
| 3022 | disp = get32 (); |
| 3023 | } |
| 3024 | break; |
| 3025 | case 1: |
| 3026 | FETCH_DATA (the_info, codep + 1); |
| 3027 | disp = *codep++; |
| 3028 | if ((disp & 0x80) != 0) |
| 3029 | disp -= 0x100; |
| 3030 | break; |
| 3031 | case 2: |
| 3032 | disp = get32 (); |
| 3033 | break; |
| 3034 | } |
| 3035 | |
| 3036 | if (!intel_syntax) |
| 3037 | if (mod != 0 || base == 5) |
| 3038 | { |
| 3039 | sprintf (scratchbuf, "0x%x", disp); |
| 3040 | oappend (scratchbuf); |
| 3041 | } |
| 3042 | |
| 3043 | if (havebase || (havesib && (index != 4 || scale != 0))) |
| 3044 | { |
| 3045 | if (intel_syntax) |
| 3046 | { |
| 3047 | switch (bytemode) |
| 3048 | { |
| 3049 | case b_mode: |
| 3050 | oappend("BYTE PTR "); |
| 3051 | break; |
| 3052 | case w_mode: |
| 3053 | oappend("WORD PTR "); |
| 3054 | break; |
| 3055 | case v_mode: |
| 3056 | oappend("DWORD PTR "); |
| 3057 | break; |
| 3058 | case d_mode: |
| 3059 | oappend("QWORD PTR "); |
| 3060 | break; |
| 3061 | case x_mode: |
| 3062 | oappend("XWORD PTR "); |
| 3063 | break; |
| 3064 | default: |
| 3065 | break; |
| 3066 | } |
| 3067 | } |
| 3068 | *obufp++ = open_char; |
| 3069 | *obufp = '\0'; |
| 3070 | if (havebase) |
| 3071 | oappend (names32[base]); |
| 3072 | if (havesib) |
| 3073 | { |
| 3074 | if (index != 4) |
| 3075 | { |
| 3076 | if (intel_syntax) |
| 3077 | { |
| 3078 | if (havebase) |
| 3079 | { |
| 3080 | *obufp++ = separator_char; |
| 3081 | *obufp = '\0'; |
| 3082 | } |
| 3083 | sprintf (scratchbuf, "%s", names32[index]); |
| 3084 | } |
| 3085 | else |
| 3086 | sprintf (scratchbuf, ",%s", names32[index]); |
| 3087 | oappend (scratchbuf); |
| 3088 | } |
| 3089 | if (!intel_syntax |
| 3090 | || (intel_syntax |
| 3091 | && bytemode != b_mode |
| 3092 | && bytemode != w_mode |
| 3093 | && bytemode != v_mode)) |
| 3094 | { |
| 3095 | *obufp++ = scale_char; |
| 3096 | *obufp = '\0'; |
| 3097 | sprintf (scratchbuf, "%d", 1 << scale); |
| 3098 | oappend (scratchbuf); |
| 3099 | } |
| 3100 | } |
| 3101 | if (intel_syntax) |
| 3102 | if (mod != 0 || base == 5) |
| 3103 | { |
| 3104 | /* Don't print zero displacements */ |
| 3105 | if (disp > 0) |
| 3106 | { |
| 3107 | sprintf (scratchbuf, "+%d", disp); |
| 3108 | oappend (scratchbuf); |
| 3109 | } |
| 3110 | else if (disp < 0) |
| 3111 | { |
| 3112 | sprintf (scratchbuf, "%d", disp); |
| 3113 | oappend (scratchbuf); |
| 3114 | } |
| 3115 | } |
| 3116 | |
| 3117 | *obufp++ = close_char; |
| 3118 | *obufp = '\0'; |
| 3119 | } |
| 3120 | else if (intel_syntax) |
| 3121 | { |
| 3122 | if (mod != 0 || base == 5) |
| 3123 | { |
| 3124 | if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS |
| 3125 | | PREFIX_ES | PREFIX_FS | PREFIX_GS)) |
| 3126 | ; |
| 3127 | else |
| 3128 | { |
| 3129 | oappend (names_seg[3]); |
| 3130 | oappend (":"); |
| 3131 | } |
| 3132 | sprintf (scratchbuf, "0x%x", disp); |
| 3133 | oappend (scratchbuf); |
| 3134 | } |
| 3135 | } |
| 3136 | } |
| 3137 | else |
| 3138 | { /* 16 bit address mode */ |
| 3139 | switch (mod) |
| 3140 | { |
| 3141 | case 0: |
| 3142 | if (rm == 6) |
| 3143 | { |
| 3144 | disp = get16 (); |
| 3145 | if ((disp & 0x8000) != 0) |
| 3146 | disp -= 0x10000; |
| 3147 | } |
| 3148 | break; |
| 3149 | case 1: |
| 3150 | FETCH_DATA (the_info, codep + 1); |
| 3151 | disp = *codep++; |
| 3152 | if ((disp & 0x80) != 0) |
| 3153 | disp -= 0x100; |
| 3154 | break; |
| 3155 | case 2: |
| 3156 | disp = get16 (); |
| 3157 | if ((disp & 0x8000) != 0) |
| 3158 | disp -= 0x10000; |
| 3159 | break; |
| 3160 | } |
| 3161 | |
| 3162 | if (!intel_syntax) |
| 3163 | if (mod != 0 || rm == 6) |
| 3164 | { |
| 3165 | sprintf (scratchbuf, "%d", disp); |
| 3166 | oappend (scratchbuf); |
| 3167 | } |
| 3168 | |
| 3169 | if (mod != 0 || rm != 6) |
| 3170 | { |
| 3171 | *obufp++ = open_char; |
| 3172 | *obufp = '\0'; |
| 3173 | oappend (index16[rm]); |
| 3174 | *obufp++ = close_char; |
| 3175 | *obufp = '\0'; |
| 3176 | } |
| 3177 | } |
| 3178 | } |
| 3179 | |
| 3180 | static void |
| 3181 | OP_G (bytemode, sizeflag) |
| 3182 | int bytemode; |
| 3183 | int sizeflag; |
| 3184 | { |
| 3185 | switch (bytemode) |
| 3186 | { |
| 3187 | case b_mode: |
| 3188 | oappend (names8[reg]); |
| 3189 | break; |
| 3190 | case w_mode: |
| 3191 | oappend (names16[reg]); |
| 3192 | break; |
| 3193 | case d_mode: |
| 3194 | oappend (names32[reg]); |
| 3195 | break; |
| 3196 | case v_mode: |
| 3197 | if (sizeflag & DFLAG) |
| 3198 | oappend (names32[reg]); |
| 3199 | else |
| 3200 | oappend (names16[reg]); |
| 3201 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3202 | break; |
| 3203 | default: |
| 3204 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 3205 | break; |
| 3206 | } |
| 3207 | } |
| 3208 | |
| 3209 | static int |
| 3210 | get32 () |
| 3211 | { |
| 3212 | int x = 0; |
| 3213 | |
| 3214 | FETCH_DATA (the_info, codep + 4); |
| 3215 | x = *codep++ & 0xff; |
| 3216 | x |= (*codep++ & 0xff) << 8; |
| 3217 | x |= (*codep++ & 0xff) << 16; |
| 3218 | x |= (*codep++ & 0xff) << 24; |
| 3219 | return x; |
| 3220 | } |
| 3221 | |
| 3222 | static int |
| 3223 | get16 () |
| 3224 | { |
| 3225 | int x = 0; |
| 3226 | |
| 3227 | FETCH_DATA (the_info, codep + 2); |
| 3228 | x = *codep++ & 0xff; |
| 3229 | x |= (*codep++ & 0xff) << 8; |
| 3230 | return x; |
| 3231 | } |
| 3232 | |
| 3233 | static void |
| 3234 | set_op (op) |
| 3235 | unsigned int op; |
| 3236 | { |
| 3237 | op_index[op_ad] = op_ad; |
| 3238 | op_address[op_ad] = op; |
| 3239 | } |
| 3240 | |
| 3241 | static void |
| 3242 | OP_REG (code, sizeflag) |
| 3243 | int code; |
| 3244 | int sizeflag; |
| 3245 | { |
| 3246 | const char *s; |
| 3247 | |
| 3248 | switch (code) |
| 3249 | { |
| 3250 | case indir_dx_reg: |
| 3251 | s = "(%dx)"; |
| 3252 | break; |
| 3253 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: |
| 3254 | case sp_reg: case bp_reg: case si_reg: case di_reg: |
| 3255 | s = names16[code - ax_reg]; |
| 3256 | break; |
| 3257 | case es_reg: case ss_reg: case cs_reg: |
| 3258 | case ds_reg: case fs_reg: case gs_reg: |
| 3259 | s = names_seg[code - es_reg]; |
| 3260 | break; |
| 3261 | case al_reg: case ah_reg: case cl_reg: case ch_reg: |
| 3262 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: |
| 3263 | s = names8[code - al_reg]; |
| 3264 | break; |
| 3265 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: |
| 3266 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: |
| 3267 | if (sizeflag & DFLAG) |
| 3268 | s = names32[code - eAX_reg]; |
| 3269 | else |
| 3270 | s = names16[code - eAX_reg]; |
| 3271 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3272 | break; |
| 3273 | default: |
| 3274 | s = INTERNAL_DISASSEMBLER_ERROR; |
| 3275 | break; |
| 3276 | } |
| 3277 | oappend (s); |
| 3278 | } |
| 3279 | |
| 3280 | static void |
| 3281 | OP_I (bytemode, sizeflag) |
| 3282 | int bytemode; |
| 3283 | int sizeflag; |
| 3284 | { |
| 3285 | int op; |
| 3286 | |
| 3287 | switch (bytemode) |
| 3288 | { |
| 3289 | case b_mode: |
| 3290 | FETCH_DATA (the_info, codep + 1); |
| 3291 | op = *codep++ & 0xff; |
| 3292 | break; |
| 3293 | case v_mode: |
| 3294 | if (sizeflag & DFLAG) |
| 3295 | op = get32 (); |
| 3296 | else |
| 3297 | op = get16 (); |
| 3298 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3299 | break; |
| 3300 | case w_mode: |
| 3301 | op = get16 (); |
| 3302 | break; |
| 3303 | default: |
| 3304 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 3305 | return; |
| 3306 | } |
| 3307 | |
| 3308 | if (intel_syntax) |
| 3309 | sprintf (scratchbuf, "0x%x", op); |
| 3310 | else |
| 3311 | sprintf (scratchbuf, "$0x%x", op); |
| 3312 | oappend (scratchbuf); |
| 3313 | scratchbuf[0] = '\0'; |
| 3314 | } |
| 3315 | |
| 3316 | static void |
| 3317 | OP_sI (bytemode, sizeflag) |
| 3318 | int bytemode; |
| 3319 | int sizeflag; |
| 3320 | { |
| 3321 | int op; |
| 3322 | |
| 3323 | switch (bytemode) |
| 3324 | { |
| 3325 | case b_mode: |
| 3326 | FETCH_DATA (the_info, codep + 1); |
| 3327 | op = *codep++; |
| 3328 | if ((op & 0x80) != 0) |
| 3329 | op -= 0x100; |
| 3330 | break; |
| 3331 | case v_mode: |
| 3332 | if (sizeflag & DFLAG) |
| 3333 | op = get32 (); |
| 3334 | else |
| 3335 | { |
| 3336 | op = get16(); |
| 3337 | if ((op & 0x8000) != 0) |
| 3338 | op -= 0x10000; |
| 3339 | } |
| 3340 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3341 | break; |
| 3342 | case w_mode: |
| 3343 | op = get16 (); |
| 3344 | if ((op & 0x8000) != 0) |
| 3345 | op -= 0x10000; |
| 3346 | break; |
| 3347 | default: |
| 3348 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 3349 | return; |
| 3350 | } |
| 3351 | if (intel_syntax) |
| 3352 | sprintf (scratchbuf, "%d", op); |
| 3353 | else |
| 3354 | sprintf (scratchbuf, "$0x%x", op); |
| 3355 | oappend (scratchbuf); |
| 3356 | } |
| 3357 | |
| 3358 | static void |
| 3359 | OP_J (bytemode, sizeflag) |
| 3360 | int bytemode; |
| 3361 | int sizeflag; |
| 3362 | { |
| 3363 | int disp; |
| 3364 | int mask = -1; |
| 3365 | |
| 3366 | switch (bytemode) |
| 3367 | { |
| 3368 | case b_mode: |
| 3369 | FETCH_DATA (the_info, codep + 1); |
| 3370 | disp = *codep++; |
| 3371 | if ((disp & 0x80) != 0) |
| 3372 | disp -= 0x100; |
| 3373 | break; |
| 3374 | case v_mode: |
| 3375 | if (sizeflag & DFLAG) |
| 3376 | disp = get32 (); |
| 3377 | else |
| 3378 | { |
| 3379 | disp = get16 (); |
| 3380 | /* for some reason, a data16 prefix on a jump instruction |
| 3381 | means that the pc is masked to 16 bits after the |
| 3382 | displacement is added! */ |
| 3383 | mask = 0xffff; |
| 3384 | } |
| 3385 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3386 | break; |
| 3387 | default: |
| 3388 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 3389 | return; |
| 3390 | } |
| 3391 | disp = (start_pc + codep - start_codep + disp) & mask; |
| 3392 | set_op (disp); |
| 3393 | sprintf (scratchbuf, "0x%x", disp); |
| 3394 | oappend (scratchbuf); |
| 3395 | } |
| 3396 | |
| 3397 | /* ARGSUSED */ |
| 3398 | static void |
| 3399 | OP_SEG (dummy, sizeflag) |
| 3400 | int dummy ATTRIBUTE_UNUSED; |
| 3401 | int sizeflag ATTRIBUTE_UNUSED; |
| 3402 | { |
| 3403 | static char *sreg[] = { |
| 3404 | "%es","%cs","%ss","%ds","%fs","%gs","%?","%?", |
| 3405 | }; |
| 3406 | |
| 3407 | oappend (sreg[reg]); |
| 3408 | } |
| 3409 | |
| 3410 | /* ARGSUSED */ |
| 3411 | static void |
| 3412 | OP_DIR (dummy, sizeflag) |
| 3413 | int dummy ATTRIBUTE_UNUSED; |
| 3414 | int sizeflag; |
| 3415 | { |
| 3416 | int seg, offset; |
| 3417 | |
| 3418 | if (sizeflag & DFLAG) |
| 3419 | { |
| 3420 | offset = get32 (); |
| 3421 | seg = get16 (); |
| 3422 | } |
| 3423 | else |
| 3424 | { |
| 3425 | offset = get16 (); |
| 3426 | seg = get16 (); |
| 3427 | } |
| 3428 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3429 | sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset); |
| 3430 | oappend (scratchbuf); |
| 3431 | } |
| 3432 | |
| 3433 | /* ARGSUSED */ |
| 3434 | static void |
| 3435 | OP_OFF (ignore, sizeflag) |
| 3436 | int ignore ATTRIBUTE_UNUSED; |
| 3437 | int sizeflag; |
| 3438 | { |
| 3439 | int off; |
| 3440 | |
| 3441 | append_seg (); |
| 3442 | |
| 3443 | if (sizeflag & AFLAG) |
| 3444 | off = get32 (); |
| 3445 | else |
| 3446 | off = get16 (); |
| 3447 | |
| 3448 | if (intel_syntax) |
| 3449 | { |
| 3450 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS |
| 3451 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) |
| 3452 | { |
| 3453 | oappend (names_seg[3]); |
| 3454 | oappend (":"); |
| 3455 | } |
| 3456 | } |
| 3457 | sprintf (scratchbuf, "0x%x", off); |
| 3458 | oappend (scratchbuf); |
| 3459 | } |
| 3460 | |
| 3461 | static void |
| 3462 | ptr_reg (code, sizeflag) |
| 3463 | int code; |
| 3464 | int sizeflag; |
| 3465 | { |
| 3466 | const char *s; |
| 3467 | oappend ("("); |
| 3468 | if (sizeflag & AFLAG) |
| 3469 | s = names32[code - eAX_reg]; |
| 3470 | else |
| 3471 | s = names16[code - eAX_reg]; |
| 3472 | oappend (s); |
| 3473 | oappend (")"); |
| 3474 | } |
| 3475 | |
| 3476 | static void |
| 3477 | OP_ESreg (code, sizeflag) |
| 3478 | int code; |
| 3479 | int sizeflag; |
| 3480 | { |
| 3481 | oappend ("%es:"); |
| 3482 | ptr_reg (code, sizeflag); |
| 3483 | } |
| 3484 | |
| 3485 | static void |
| 3486 | OP_DSreg (code, sizeflag) |
| 3487 | int code; |
| 3488 | int sizeflag; |
| 3489 | { |
| 3490 | if ((prefixes |
| 3491 | & (PREFIX_CS |
| 3492 | | PREFIX_DS |
| 3493 | | PREFIX_SS |
| 3494 | | PREFIX_ES |
| 3495 | | PREFIX_FS |
| 3496 | | PREFIX_GS)) == 0) |
| 3497 | prefixes |= PREFIX_DS; |
| 3498 | append_seg(); |
| 3499 | ptr_reg (code, sizeflag); |
| 3500 | } |
| 3501 | |
| 3502 | /* ARGSUSED */ |
| 3503 | static void |
| 3504 | OP_C (dummy, sizeflag) |
| 3505 | int dummy ATTRIBUTE_UNUSED; |
| 3506 | int sizeflag ATTRIBUTE_UNUSED; |
| 3507 | { |
| 3508 | sprintf (scratchbuf, "%%cr%d", reg); |
| 3509 | oappend (scratchbuf); |
| 3510 | } |
| 3511 | |
| 3512 | /* ARGSUSED */ |
| 3513 | static void |
| 3514 | OP_D (dummy, sizeflag) |
| 3515 | int dummy ATTRIBUTE_UNUSED; |
| 3516 | int sizeflag ATTRIBUTE_UNUSED; |
| 3517 | { |
| 3518 | sprintf (scratchbuf, "%%db%d", reg); |
| 3519 | oappend (scratchbuf); |
| 3520 | } |
| 3521 | |
| 3522 | /* ARGSUSED */ |
| 3523 | static void |
| 3524 | OP_T (dummy, sizeflag) |
| 3525 | int dummy ATTRIBUTE_UNUSED; |
| 3526 | int sizeflag ATTRIBUTE_UNUSED; |
| 3527 | { |
| 3528 | sprintf (scratchbuf, "%%tr%d", reg); |
| 3529 | oappend (scratchbuf); |
| 3530 | } |
| 3531 | |
| 3532 | static void |
| 3533 | OP_Rd (bytemode, sizeflag) |
| 3534 | int bytemode; |
| 3535 | int sizeflag; |
| 3536 | { |
| 3537 | if (mod == 3) |
| 3538 | OP_E (bytemode, sizeflag); |
| 3539 | else |
| 3540 | BadOp(); |
| 3541 | } |
| 3542 | |
| 3543 | static void |
| 3544 | OP_MMX (ignore, sizeflag) |
| 3545 | int ignore ATTRIBUTE_UNUSED; |
| 3546 | int sizeflag ATTRIBUTE_UNUSED; |
| 3547 | { |
| 3548 | sprintf (scratchbuf, "%%mm%d", reg); |
| 3549 | oappend (scratchbuf); |
| 3550 | } |
| 3551 | |
| 3552 | static void |
| 3553 | OP_XMM (bytemode, sizeflag) |
| 3554 | int bytemode ATTRIBUTE_UNUSED; |
| 3555 | int sizeflag ATTRIBUTE_UNUSED; |
| 3556 | { |
| 3557 | sprintf (scratchbuf, "%%xmm%d", reg); |
| 3558 | oappend (scratchbuf); |
| 3559 | } |
| 3560 | |
| 3561 | static void |
| 3562 | OP_EM (bytemode, sizeflag) |
| 3563 | int bytemode; |
| 3564 | int sizeflag; |
| 3565 | { |
| 3566 | if (mod != 3) |
| 3567 | { |
| 3568 | OP_E (bytemode, sizeflag); |
| 3569 | return; |
| 3570 | } |
| 3571 | |
| 3572 | codep++; |
| 3573 | sprintf (scratchbuf, "%%mm%d", rm); |
| 3574 | oappend (scratchbuf); |
| 3575 | } |
| 3576 | |
| 3577 | static void |
| 3578 | OP_EX (bytemode, sizeflag) |
| 3579 | int bytemode; |
| 3580 | int sizeflag; |
| 3581 | { |
| 3582 | if (mod != 3) |
| 3583 | { |
| 3584 | OP_E (bytemode, sizeflag); |
| 3585 | return; |
| 3586 | } |
| 3587 | |
| 3588 | codep++; |
| 3589 | sprintf (scratchbuf, "%%xmm%d", rm); |
| 3590 | oappend (scratchbuf); |
| 3591 | } |
| 3592 | |
| 3593 | static void |
| 3594 | OP_MS (bytemode, sizeflag) |
| 3595 | int bytemode; |
| 3596 | int sizeflag; |
| 3597 | { |
| 3598 | if (mod == 3) |
| 3599 | OP_EM (bytemode, sizeflag); |
| 3600 | else |
| 3601 | BadOp(); |
| 3602 | } |
| 3603 | |
| 3604 | static const char *Suffix3DNow[] = { |
| 3605 | /* 00 */ NULL, NULL, NULL, NULL, |
| 3606 | /* 04 */ NULL, NULL, NULL, NULL, |
| 3607 | /* 08 */ NULL, NULL, NULL, NULL, |
| 3608 | /* 0C */ "pi2fw", "pi2fd", NULL, NULL, |
| 3609 | /* 10 */ NULL, NULL, NULL, NULL, |
| 3610 | /* 14 */ NULL, NULL, NULL, NULL, |
| 3611 | /* 18 */ NULL, NULL, NULL, NULL, |
| 3612 | /* 1C */ "pf2iw", "pf2id", NULL, NULL, |
| 3613 | /* 20 */ NULL, NULL, NULL, NULL, |
| 3614 | /* 24 */ NULL, NULL, NULL, NULL, |
| 3615 | /* 28 */ NULL, NULL, NULL, NULL, |
| 3616 | /* 2C */ NULL, NULL, NULL, NULL, |
| 3617 | /* 30 */ NULL, NULL, NULL, NULL, |
| 3618 | /* 34 */ NULL, NULL, NULL, NULL, |
| 3619 | /* 38 */ NULL, NULL, NULL, NULL, |
| 3620 | /* 3C */ NULL, NULL, NULL, NULL, |
| 3621 | /* 40 */ NULL, NULL, NULL, NULL, |
| 3622 | /* 44 */ NULL, NULL, NULL, NULL, |
| 3623 | /* 48 */ NULL, NULL, NULL, NULL, |
| 3624 | /* 4C */ NULL, NULL, NULL, NULL, |
| 3625 | /* 50 */ NULL, NULL, NULL, NULL, |
| 3626 | /* 54 */ NULL, NULL, NULL, NULL, |
| 3627 | /* 58 */ NULL, NULL, NULL, NULL, |
| 3628 | /* 5C */ NULL, NULL, NULL, NULL, |
| 3629 | /* 60 */ NULL, NULL, NULL, NULL, |
| 3630 | /* 64 */ NULL, NULL, NULL, NULL, |
| 3631 | /* 68 */ NULL, NULL, NULL, NULL, |
| 3632 | /* 6C */ NULL, NULL, NULL, NULL, |
| 3633 | /* 70 */ NULL, NULL, NULL, NULL, |
| 3634 | /* 74 */ NULL, NULL, NULL, NULL, |
| 3635 | /* 78 */ NULL, NULL, NULL, NULL, |
| 3636 | /* 7C */ NULL, NULL, NULL, NULL, |
| 3637 | /* 80 */ NULL, NULL, NULL, NULL, |
| 3638 | /* 84 */ NULL, NULL, NULL, NULL, |
| 3639 | /* 88 */ NULL, NULL, "pfnacc", NULL, |
| 3640 | /* 8C */ NULL, NULL, "pfpnacc", NULL, |
| 3641 | /* 90 */ "pfcmpge", NULL, NULL, NULL, |
| 3642 | /* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt", |
| 3643 | /* 98 */ NULL, NULL, "pfsub", NULL, |
| 3644 | /* 9C */ NULL, NULL, "pfadd", NULL, |
| 3645 | /* A0 */ "pfcmpgt", NULL, NULL, NULL, |
| 3646 | /* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1", |
| 3647 | /* A8 */ NULL, NULL, "pfsubr", NULL, |
| 3648 | /* AC */ NULL, NULL, "pfacc", NULL, |
| 3649 | /* B0 */ "pfcmpeq", NULL, NULL, NULL, |
| 3650 | /* B4 */ "pfmul", NULL, "pfrcpit2", "pfmulhrw", |
| 3651 | /* B8 */ NULL, NULL, NULL, "pswapd", |
| 3652 | /* BC */ NULL, NULL, NULL, "pavgusb", |
| 3653 | /* C0 */ NULL, NULL, NULL, NULL, |
| 3654 | /* C4 */ NULL, NULL, NULL, NULL, |
| 3655 | /* C8 */ NULL, NULL, NULL, NULL, |
| 3656 | /* CC */ NULL, NULL, NULL, NULL, |
| 3657 | /* D0 */ NULL, NULL, NULL, NULL, |
| 3658 | /* D4 */ NULL, NULL, NULL, NULL, |
| 3659 | /* D8 */ NULL, NULL, NULL, NULL, |
| 3660 | /* DC */ NULL, NULL, NULL, NULL, |
| 3661 | /* E0 */ NULL, NULL, NULL, NULL, |
| 3662 | /* E4 */ NULL, NULL, NULL, NULL, |
| 3663 | /* E8 */ NULL, NULL, NULL, NULL, |
| 3664 | /* EC */ NULL, NULL, NULL, NULL, |
| 3665 | /* F0 */ NULL, NULL, NULL, NULL, |
| 3666 | /* F4 */ NULL, NULL, NULL, NULL, |
| 3667 | /* F8 */ NULL, NULL, NULL, NULL, |
| 3668 | /* FC */ NULL, NULL, NULL, NULL, |
| 3669 | }; |
| 3670 | |
| 3671 | static void |
| 3672 | OP_3DNowSuffix (bytemode, sizeflag) |
| 3673 | int bytemode ATTRIBUTE_UNUSED; |
| 3674 | int sizeflag ATTRIBUTE_UNUSED; |
| 3675 | { |
| 3676 | const char *mnemonic; |
| 3677 | |
| 3678 | FETCH_DATA (the_info, codep + 1); |
| 3679 | /* AMD 3DNow! instructions are specified by an opcode suffix in the |
| 3680 | place where an 8-bit immediate would normally go. ie. the last |
| 3681 | byte of the instruction. */ |
| 3682 | obufp = obuf + strlen(obuf); |
| 3683 | mnemonic = Suffix3DNow[*codep++ & 0xff]; |
| 3684 | if (mnemonic) |
| 3685 | oappend (mnemonic); |
| 3686 | else |
| 3687 | { |
| 3688 | /* Since a variable sized modrm/sib chunk is between the start |
| 3689 | of the opcode (0x0f0f) and the opcode suffix, we need to do |
| 3690 | all the modrm processing first, and don't know until now that |
| 3691 | we have a bad opcode. This necessitates some cleaning up. */ |
| 3692 | op1out[0] = '\0'; |
| 3693 | op2out[0] = '\0'; |
| 3694 | BadOp(); |
| 3695 | } |
| 3696 | } |
| 3697 | |
| 3698 | |
| 3699 | static const char *simd_cmp_op [] = { |
| 3700 | "eq", |
| 3701 | "lt", |
| 3702 | "le", |
| 3703 | "unord", |
| 3704 | "neq", |
| 3705 | "nlt", |
| 3706 | "nle", |
| 3707 | "ord" |
| 3708 | }; |
| 3709 | |
| 3710 | static void |
| 3711 | OP_SIMD_Suffix (bytemode, sizeflag) |
| 3712 | int bytemode ATTRIBUTE_UNUSED; |
| 3713 | int sizeflag ATTRIBUTE_UNUSED; |
| 3714 | { |
| 3715 | unsigned int cmp_type; |
| 3716 | |
| 3717 | FETCH_DATA (the_info, codep + 1); |
| 3718 | obufp = obuf + strlen(obuf); |
| 3719 | cmp_type = *codep++ & 0xff; |
| 3720 | if (cmp_type < 8) |
| 3721 | { |
| 3722 | sprintf (scratchbuf, "cmp%s%cs", |
| 3723 | simd_cmp_op[cmp_type], |
| 3724 | prefixes & PREFIX_REPZ ? 's' : 'p'); |
| 3725 | used_prefixes |= (prefixes & PREFIX_REPZ); |
| 3726 | oappend (scratchbuf); |
| 3727 | } |
| 3728 | else |
| 3729 | { |
| 3730 | /* We have a bad extension byte. Clean up. */ |
| 3731 | op1out[0] = '\0'; |
| 3732 | op2out[0] = '\0'; |
| 3733 | BadOp(); |
| 3734 | } |
| 3735 | } |
| 3736 | |
| 3737 | static void |
| 3738 | SIMD_Fixup (extrachar, sizeflag) |
| 3739 | int extrachar; |
| 3740 | int sizeflag ATTRIBUTE_UNUSED; |
| 3741 | { |
| 3742 | /* Change movlps/movhps to movhlps/movlhps for 2 register operand |
| 3743 | forms of these instructions. */ |
| 3744 | if (mod == 3) |
| 3745 | { |
| 3746 | char *p = obuf + strlen(obuf); |
| 3747 | *(p+1) = '\0'; |
| 3748 | *p = *(p-1); |
| 3749 | *(p-1) = *(p-2); |
| 3750 | *(p-2) = *(p-3); |
| 3751 | *(p-3) = extrachar; |
| 3752 | } |
| 3753 | } |
| 3754 | |
| 3755 | static void BadOp (void) |
| 3756 | { |
| 3757 | codep = insn_codep + 1; /* throw away prefixes and 1st. opcode byte */ |
| 3758 | oappend ("(bad)"); |
| 3759 | } |