| 1 | /* Print i386 instructions for GDB, the GNU debugger. |
| 2 | Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
| 3 | 2001, 2002, 2003, 2004, 2005 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
| 20 | |
| 21 | /* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu) |
| 22 | July 1988 |
| 23 | modified by John Hassey (hassey@dg-rtp.dg.com) |
| 24 | x86-64 support added by Jan Hubicka (jh@suse.cz) |
| 25 | VIA PadLock support by Michal Ludvig (mludvig@suse.cz). */ |
| 26 | |
| 27 | /* The main tables describing the instructions is essentially a copy |
| 28 | of the "Opcode Map" chapter (Appendix A) of the Intel 80386 |
| 29 | Programmers Manual. Usually, there is a capital letter, followed |
| 30 | by a small letter. The capital letter tell the addressing mode, |
| 31 | and the small letter tells about the operand size. Refer to |
| 32 | the Intel manual for details. */ |
| 33 | |
| 34 | #include "dis-asm.h" |
| 35 | #include "sysdep.h" |
| 36 | #include "opintl.h" |
| 37 | |
| 38 | #define MAXLEN 15 |
| 39 | |
| 40 | #include <setjmp.h> |
| 41 | |
| 42 | #ifndef UNIXWARE_COMPAT |
| 43 | /* Set non-zero for broken, compatible instructions. Set to zero for |
| 44 | non-broken opcodes. */ |
| 45 | #define UNIXWARE_COMPAT 1 |
| 46 | #endif |
| 47 | |
| 48 | static int fetch_data (struct disassemble_info *, bfd_byte *); |
| 49 | static void ckprefix (void); |
| 50 | static const char *prefix_name (int, int); |
| 51 | static int print_insn (bfd_vma, disassemble_info *); |
| 52 | static void dofloat (int); |
| 53 | static void OP_ST (int, int); |
| 54 | static void OP_STi (int, int); |
| 55 | static int putop (const char *, int); |
| 56 | static void oappend (const char *); |
| 57 | static void append_seg (void); |
| 58 | static void OP_indirE (int, int); |
| 59 | static void print_operand_value (char *, int, bfd_vma); |
| 60 | static void OP_E (int, int); |
| 61 | static void OP_G (int, int); |
| 62 | static bfd_vma get64 (void); |
| 63 | static bfd_signed_vma get32 (void); |
| 64 | static bfd_signed_vma get32s (void); |
| 65 | static int get16 (void); |
| 66 | static void set_op (bfd_vma, int); |
| 67 | static void OP_REG (int, int); |
| 68 | static void OP_IMREG (int, int); |
| 69 | static void OP_I (int, int); |
| 70 | static void OP_I64 (int, int); |
| 71 | static void OP_sI (int, int); |
| 72 | static void OP_J (int, int); |
| 73 | static void OP_SEG (int, int); |
| 74 | static void OP_DIR (int, int); |
| 75 | static void OP_OFF (int, int); |
| 76 | static void OP_OFF64 (int, int); |
| 77 | static void ptr_reg (int, int); |
| 78 | static void OP_ESreg (int, int); |
| 79 | static void OP_DSreg (int, int); |
| 80 | static void OP_C (int, int); |
| 81 | static void OP_D (int, int); |
| 82 | static void OP_T (int, int); |
| 83 | static void OP_Rd (int, int); |
| 84 | static void OP_MMX (int, int); |
| 85 | static void OP_XMM (int, int); |
| 86 | static void OP_EM (int, int); |
| 87 | static void OP_EX (int, int); |
| 88 | static void OP_MS (int, int); |
| 89 | static void OP_XS (int, int); |
| 90 | static void OP_M (int, int); |
| 91 | static void OP_VMX (int, int); |
| 92 | static void OP_0fae (int, int); |
| 93 | static void OP_0f07 (int, int); |
| 94 | static void NOP_Fixup1 (int, int); |
| 95 | static void NOP_Fixup2 (int, int); |
| 96 | static void OP_3DNowSuffix (int, int); |
| 97 | static void OP_SIMD_Suffix (int, int); |
| 98 | static void SIMD_Fixup (int, int); |
| 99 | static void PNI_Fixup (int, int); |
| 100 | static void SVME_Fixup (int, int); |
| 101 | static void INVLPG_Fixup (int, int); |
| 102 | static void BadOp (void); |
| 103 | static void SEG_Fixup (int, int); |
| 104 | static void VMX_Fixup (int, int); |
| 105 | static void REP_Fixup (int, int); |
| 106 | |
| 107 | struct dis_private { |
| 108 | /* Points to first byte not fetched. */ |
| 109 | bfd_byte *max_fetched; |
| 110 | bfd_byte the_buffer[MAXLEN]; |
| 111 | bfd_vma insn_start; |
| 112 | int orig_sizeflag; |
| 113 | jmp_buf bailout; |
| 114 | }; |
| 115 | |
| 116 | /* The opcode for the fwait instruction, which we treat as a prefix |
| 117 | when we can. */ |
| 118 | #define FWAIT_OPCODE (0x9b) |
| 119 | |
| 120 | enum address_mode |
| 121 | { |
| 122 | mode_16bit, |
| 123 | mode_32bit, |
| 124 | mode_64bit |
| 125 | }; |
| 126 | |
| 127 | enum address_mode address_mode; |
| 128 | |
| 129 | /* Flags for the prefixes for the current instruction. See below. */ |
| 130 | static int prefixes; |
| 131 | |
| 132 | /* REX prefix the current instruction. See below. */ |
| 133 | static int rex; |
| 134 | /* Bits of REX we've already used. */ |
| 135 | static int rex_used; |
| 136 | #define REX_MODE64 8 |
| 137 | #define REX_EXTX 4 |
| 138 | #define REX_EXTY 2 |
| 139 | #define REX_EXTZ 1 |
| 140 | /* Mark parts used in the REX prefix. When we are testing for |
| 141 | empty prefix (for 8bit register REX extension), just mask it |
| 142 | out. Otherwise test for REX bit is excuse for existence of REX |
| 143 | only in case value is nonzero. */ |
| 144 | #define USED_REX(value) \ |
| 145 | { \ |
| 146 | if (value) \ |
| 147 | rex_used |= (rex & value) ? (value) | 0x40 : 0; \ |
| 148 | else \ |
| 149 | rex_used |= 0x40; \ |
| 150 | } |
| 151 | |
| 152 | /* Flags for prefixes which we somehow handled when printing the |
| 153 | current instruction. */ |
| 154 | static int used_prefixes; |
| 155 | |
| 156 | /* Flags stored in PREFIXES. */ |
| 157 | #define PREFIX_REPZ 1 |
| 158 | #define PREFIX_REPNZ 2 |
| 159 | #define PREFIX_LOCK 4 |
| 160 | #define PREFIX_CS 8 |
| 161 | #define PREFIX_SS 0x10 |
| 162 | #define PREFIX_DS 0x20 |
| 163 | #define PREFIX_ES 0x40 |
| 164 | #define PREFIX_FS 0x80 |
| 165 | #define PREFIX_GS 0x100 |
| 166 | #define PREFIX_DATA 0x200 |
| 167 | #define PREFIX_ADDR 0x400 |
| 168 | #define PREFIX_FWAIT 0x800 |
| 169 | |
| 170 | /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive) |
| 171 | to ADDR (exclusive) are valid. Returns 1 for success, longjmps |
| 172 | on error. */ |
| 173 | #define FETCH_DATA(info, addr) \ |
| 174 | ((addr) <= ((struct dis_private *) (info->private_data))->max_fetched \ |
| 175 | ? 1 : fetch_data ((info), (addr))) |
| 176 | |
| 177 | static int |
| 178 | fetch_data (struct disassemble_info *info, bfd_byte *addr) |
| 179 | { |
| 180 | int status; |
| 181 | struct dis_private *priv = (struct dis_private *) info->private_data; |
| 182 | bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer); |
| 183 | |
| 184 | if (addr <= priv->the_buffer + MAXLEN) |
| 185 | status = (*info->read_memory_func) (start, |
| 186 | priv->max_fetched, |
| 187 | addr - priv->max_fetched, |
| 188 | info); |
| 189 | else |
| 190 | status = -1; |
| 191 | if (status != 0) |
| 192 | { |
| 193 | /* If we did manage to read at least one byte, then |
| 194 | print_insn_i386 will do something sensible. Otherwise, print |
| 195 | an error. We do that here because this is where we know |
| 196 | STATUS. */ |
| 197 | if (priv->max_fetched == priv->the_buffer) |
| 198 | (*info->memory_error_func) (status, start, info); |
| 199 | longjmp (priv->bailout, 1); |
| 200 | } |
| 201 | else |
| 202 | priv->max_fetched = addr; |
| 203 | return 1; |
| 204 | } |
| 205 | |
| 206 | #define XX NULL, 0 |
| 207 | |
| 208 | #define Eb OP_E, b_mode |
| 209 | #define Ev OP_E, v_mode |
| 210 | #define Ed OP_E, d_mode |
| 211 | #define Eq OP_E, q_mode |
| 212 | #define Edq OP_E, dq_mode |
| 213 | #define Edqw OP_E, dqw_mode |
| 214 | #define indirEv OP_indirE, stack_v_mode |
| 215 | #define indirEp OP_indirE, f_mode |
| 216 | #define stackEv OP_E, stack_v_mode |
| 217 | #define Em OP_E, m_mode |
| 218 | #define Ew OP_E, w_mode |
| 219 | #define Ma OP_E, v_mode |
| 220 | #define M OP_M, 0 /* lea, lgdt, etc. */ |
| 221 | #define Mp OP_M, f_mode /* 32 or 48 bit memory operand for LDS, LES etc */ |
| 222 | #define Gb OP_G, b_mode |
| 223 | #define Gv OP_G, v_mode |
| 224 | #define Gd OP_G, d_mode |
| 225 | #define Gdq OP_G, dq_mode |
| 226 | #define Gm OP_G, m_mode |
| 227 | #define Gw OP_G, w_mode |
| 228 | #define Rd OP_Rd, d_mode |
| 229 | #define Rm OP_Rd, m_mode |
| 230 | #define Ib OP_I, b_mode |
| 231 | #define sIb OP_sI, b_mode /* sign extened byte */ |
| 232 | #define Iv OP_I, v_mode |
| 233 | #define Iq OP_I, q_mode |
| 234 | #define Iv64 OP_I64, v_mode |
| 235 | #define Iw OP_I, w_mode |
| 236 | #define I1 OP_I, const_1_mode |
| 237 | #define Jb OP_J, b_mode |
| 238 | #define Jv OP_J, v_mode |
| 239 | #define Cm OP_C, m_mode |
| 240 | #define Dm OP_D, m_mode |
| 241 | #define Td OP_T, d_mode |
| 242 | #define Sv SEG_Fixup, v_mode |
| 243 | |
| 244 | #define RMeAX OP_REG, eAX_reg |
| 245 | #define RMeBX OP_REG, eBX_reg |
| 246 | #define RMeCX OP_REG, eCX_reg |
| 247 | #define RMeDX OP_REG, eDX_reg |
| 248 | #define RMeSP OP_REG, eSP_reg |
| 249 | #define RMeBP OP_REG, eBP_reg |
| 250 | #define RMeSI OP_REG, eSI_reg |
| 251 | #define RMeDI OP_REG, eDI_reg |
| 252 | #define RMrAX OP_REG, rAX_reg |
| 253 | #define RMrBX OP_REG, rBX_reg |
| 254 | #define RMrCX OP_REG, rCX_reg |
| 255 | #define RMrDX OP_REG, rDX_reg |
| 256 | #define RMrSP OP_REG, rSP_reg |
| 257 | #define RMrBP OP_REG, rBP_reg |
| 258 | #define RMrSI OP_REG, rSI_reg |
| 259 | #define RMrDI OP_REG, rDI_reg |
| 260 | #define RMAL OP_REG, al_reg |
| 261 | #define RMAL OP_REG, al_reg |
| 262 | #define RMCL OP_REG, cl_reg |
| 263 | #define RMDL OP_REG, dl_reg |
| 264 | #define RMBL OP_REG, bl_reg |
| 265 | #define RMAH OP_REG, ah_reg |
| 266 | #define RMCH OP_REG, ch_reg |
| 267 | #define RMDH OP_REG, dh_reg |
| 268 | #define RMBH OP_REG, bh_reg |
| 269 | #define RMAX OP_REG, ax_reg |
| 270 | #define RMDX OP_REG, dx_reg |
| 271 | |
| 272 | #define eAX OP_IMREG, eAX_reg |
| 273 | #define eBX OP_IMREG, eBX_reg |
| 274 | #define eCX OP_IMREG, eCX_reg |
| 275 | #define eDX OP_IMREG, eDX_reg |
| 276 | #define eSP OP_IMREG, eSP_reg |
| 277 | #define eBP OP_IMREG, eBP_reg |
| 278 | #define eSI OP_IMREG, eSI_reg |
| 279 | #define eDI OP_IMREG, eDI_reg |
| 280 | #define AL OP_IMREG, al_reg |
| 281 | #define CL OP_IMREG, cl_reg |
| 282 | #define DL OP_IMREG, dl_reg |
| 283 | #define BL OP_IMREG, bl_reg |
| 284 | #define AH OP_IMREG, ah_reg |
| 285 | #define CH OP_IMREG, ch_reg |
| 286 | #define DH OP_IMREG, dh_reg |
| 287 | #define BH OP_IMREG, bh_reg |
| 288 | #define AX OP_IMREG, ax_reg |
| 289 | #define DX OP_IMREG, dx_reg |
| 290 | #define indirDX OP_IMREG, indir_dx_reg |
| 291 | |
| 292 | #define Sw OP_SEG, w_mode |
| 293 | #define Ap OP_DIR, 0 |
| 294 | #define Ob OP_OFF64, b_mode |
| 295 | #define Ov OP_OFF64, v_mode |
| 296 | #define Xb OP_DSreg, eSI_reg |
| 297 | #define Xv OP_DSreg, eSI_reg |
| 298 | #define Yb OP_ESreg, eDI_reg |
| 299 | #define Yv OP_ESreg, eDI_reg |
| 300 | #define DSBX OP_DSreg, eBX_reg |
| 301 | |
| 302 | #define es OP_REG, es_reg |
| 303 | #define ss OP_REG, ss_reg |
| 304 | #define cs OP_REG, cs_reg |
| 305 | #define ds OP_REG, ds_reg |
| 306 | #define fs OP_REG, fs_reg |
| 307 | #define gs OP_REG, gs_reg |
| 308 | |
| 309 | #define MX OP_MMX, 0 |
| 310 | #define XM OP_XMM, 0 |
| 311 | #define EM OP_EM, v_mode |
| 312 | #define EX OP_EX, v_mode |
| 313 | #define MS OP_MS, v_mode |
| 314 | #define XS OP_XS, v_mode |
| 315 | #define VM OP_VMX, q_mode |
| 316 | #define OPSUF OP_3DNowSuffix, 0 |
| 317 | #define OPSIMD OP_SIMD_Suffix, 0 |
| 318 | |
| 319 | /* Used handle "rep" prefix for string instructions. */ |
| 320 | #define Xbr REP_Fixup, eSI_reg |
| 321 | #define Xvr REP_Fixup, eSI_reg |
| 322 | #define Ybr REP_Fixup, eDI_reg |
| 323 | #define Yvr REP_Fixup, eDI_reg |
| 324 | #define indirDXr REP_Fixup, indir_dx_reg |
| 325 | #define ALr REP_Fixup, al_reg |
| 326 | #define eAXr REP_Fixup, eAX_reg |
| 327 | |
| 328 | #define cond_jump_flag NULL, cond_jump_mode |
| 329 | #define loop_jcxz_flag NULL, loop_jcxz_mode |
| 330 | |
| 331 | /* bits in sizeflag */ |
| 332 | #define SUFFIX_ALWAYS 4 |
| 333 | #define AFLAG 2 |
| 334 | #define DFLAG 1 |
| 335 | |
| 336 | #define b_mode 1 /* byte operand */ |
| 337 | #define v_mode 2 /* operand size depends on prefixes */ |
| 338 | #define w_mode 3 /* word operand */ |
| 339 | #define d_mode 4 /* double word operand */ |
| 340 | #define q_mode 5 /* quad word operand */ |
| 341 | #define t_mode 6 /* ten-byte operand */ |
| 342 | #define x_mode 7 /* 16-byte XMM operand */ |
| 343 | #define m_mode 8 /* d_mode in 32bit, q_mode in 64bit mode. */ |
| 344 | #define cond_jump_mode 9 |
| 345 | #define loop_jcxz_mode 10 |
| 346 | #define dq_mode 11 /* operand size depends on REX prefixes. */ |
| 347 | #define dqw_mode 12 /* registers like dq_mode, memory like w_mode. */ |
| 348 | #define f_mode 13 /* 4- or 6-byte pointer operand */ |
| 349 | #define const_1_mode 14 |
| 350 | #define stack_v_mode 15 /* v_mode for stack-related opcodes. */ |
| 351 | |
| 352 | #define es_reg 100 |
| 353 | #define cs_reg 101 |
| 354 | #define ss_reg 102 |
| 355 | #define ds_reg 103 |
| 356 | #define fs_reg 104 |
| 357 | #define gs_reg 105 |
| 358 | |
| 359 | #define eAX_reg 108 |
| 360 | #define eCX_reg 109 |
| 361 | #define eDX_reg 110 |
| 362 | #define eBX_reg 111 |
| 363 | #define eSP_reg 112 |
| 364 | #define eBP_reg 113 |
| 365 | #define eSI_reg 114 |
| 366 | #define eDI_reg 115 |
| 367 | |
| 368 | #define al_reg 116 |
| 369 | #define cl_reg 117 |
| 370 | #define dl_reg 118 |
| 371 | #define bl_reg 119 |
| 372 | #define ah_reg 120 |
| 373 | #define ch_reg 121 |
| 374 | #define dh_reg 122 |
| 375 | #define bh_reg 123 |
| 376 | |
| 377 | #define ax_reg 124 |
| 378 | #define cx_reg 125 |
| 379 | #define dx_reg 126 |
| 380 | #define bx_reg 127 |
| 381 | #define sp_reg 128 |
| 382 | #define bp_reg 129 |
| 383 | #define si_reg 130 |
| 384 | #define di_reg 131 |
| 385 | |
| 386 | #define rAX_reg 132 |
| 387 | #define rCX_reg 133 |
| 388 | #define rDX_reg 134 |
| 389 | #define rBX_reg 135 |
| 390 | #define rSP_reg 136 |
| 391 | #define rBP_reg 137 |
| 392 | #define rSI_reg 138 |
| 393 | #define rDI_reg 139 |
| 394 | |
| 395 | #define indir_dx_reg 150 |
| 396 | |
| 397 | #define FLOATCODE 1 |
| 398 | #define USE_GROUPS 2 |
| 399 | #define USE_PREFIX_USER_TABLE 3 |
| 400 | #define X86_64_SPECIAL 4 |
| 401 | #define IS_3BYTE_OPCODE 5 |
| 402 | |
| 403 | #define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0 |
| 404 | |
| 405 | #define GRP1b NULL, NULL, USE_GROUPS, NULL, 0, NULL, 0 |
| 406 | #define GRP1S NULL, NULL, USE_GROUPS, NULL, 1, NULL, 0 |
| 407 | #define GRP1Ss NULL, NULL, USE_GROUPS, NULL, 2, NULL, 0 |
| 408 | #define GRP2b NULL, NULL, USE_GROUPS, NULL, 3, NULL, 0 |
| 409 | #define GRP2S NULL, NULL, USE_GROUPS, NULL, 4, NULL, 0 |
| 410 | #define GRP2b_one NULL, NULL, USE_GROUPS, NULL, 5, NULL, 0 |
| 411 | #define GRP2S_one NULL, NULL, USE_GROUPS, NULL, 6, NULL, 0 |
| 412 | #define GRP2b_cl NULL, NULL, USE_GROUPS, NULL, 7, NULL, 0 |
| 413 | #define GRP2S_cl NULL, NULL, USE_GROUPS, NULL, 8, NULL, 0 |
| 414 | #define GRP3b NULL, NULL, USE_GROUPS, NULL, 9, NULL, 0 |
| 415 | #define GRP3S NULL, NULL, USE_GROUPS, NULL, 10, NULL, 0 |
| 416 | #define GRP4 NULL, NULL, USE_GROUPS, NULL, 11, NULL, 0 |
| 417 | #define GRP5 NULL, NULL, USE_GROUPS, NULL, 12, NULL, 0 |
| 418 | #define GRP6 NULL, NULL, USE_GROUPS, NULL, 13, NULL, 0 |
| 419 | #define GRP7 NULL, NULL, USE_GROUPS, NULL, 14, NULL, 0 |
| 420 | #define GRP8 NULL, NULL, USE_GROUPS, NULL, 15, NULL, 0 |
| 421 | #define GRP9 NULL, NULL, USE_GROUPS, NULL, 16, NULL, 0 |
| 422 | #define GRP12 NULL, NULL, USE_GROUPS, NULL, 17, NULL, 0 |
| 423 | #define GRP13 NULL, NULL, USE_GROUPS, NULL, 18, NULL, 0 |
| 424 | #define GRP14 NULL, NULL, USE_GROUPS, NULL, 19, NULL, 0 |
| 425 | #define GRP15 NULL, NULL, USE_GROUPS, NULL, 20, NULL, 0 |
| 426 | #define GRP16 NULL, NULL, USE_GROUPS, NULL, 21, NULL, 0 |
| 427 | #define GRPAMD NULL, NULL, USE_GROUPS, NULL, 22, NULL, 0 |
| 428 | #define GRPPADLCK1 NULL, NULL, USE_GROUPS, NULL, 23, NULL, 0 |
| 429 | #define GRPPADLCK2 NULL, NULL, USE_GROUPS, NULL, 24, NULL, 0 |
| 430 | |
| 431 | #define PREGRP0 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 0, NULL, 0 |
| 432 | #define PREGRP1 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 1, NULL, 0 |
| 433 | #define PREGRP2 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 2, NULL, 0 |
| 434 | #define PREGRP3 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 3, NULL, 0 |
| 435 | #define PREGRP4 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 4, NULL, 0 |
| 436 | #define PREGRP5 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 5, NULL, 0 |
| 437 | #define PREGRP6 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 6, NULL, 0 |
| 438 | #define PREGRP7 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 7, NULL, 0 |
| 439 | #define PREGRP8 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 8, NULL, 0 |
| 440 | #define PREGRP9 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 9, NULL, 0 |
| 441 | #define PREGRP10 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 10, NULL, 0 |
| 442 | #define PREGRP11 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 11, NULL, 0 |
| 443 | #define PREGRP12 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 12, NULL, 0 |
| 444 | #define PREGRP13 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 13, NULL, 0 |
| 445 | #define PREGRP14 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 14, NULL, 0 |
| 446 | #define PREGRP15 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 15, NULL, 0 |
| 447 | #define PREGRP16 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 16, NULL, 0 |
| 448 | #define PREGRP17 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 17, NULL, 0 |
| 449 | #define PREGRP18 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 18, NULL, 0 |
| 450 | #define PREGRP19 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 19, NULL, 0 |
| 451 | #define PREGRP20 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 20, NULL, 0 |
| 452 | #define PREGRP21 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 21, NULL, 0 |
| 453 | #define PREGRP22 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 22, NULL, 0 |
| 454 | #define PREGRP23 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 23, NULL, 0 |
| 455 | #define PREGRP24 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 24, NULL, 0 |
| 456 | #define PREGRP25 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 25, NULL, 0 |
| 457 | #define PREGRP26 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 26, NULL, 0 |
| 458 | #define PREGRP27 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 27, NULL, 0 |
| 459 | #define PREGRP28 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 28, NULL, 0 |
| 460 | #define PREGRP29 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 29, NULL, 0 |
| 461 | #define PREGRP30 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 30, NULL, 0 |
| 462 | #define PREGRP31 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 31, NULL, 0 |
| 463 | #define PREGRP32 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 32, NULL, 0 |
| 464 | |
| 465 | #define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0 |
| 466 | |
| 467 | #define THREE_BYTE_0 NULL, NULL, IS_3BYTE_OPCODE, NULL, 0, NULL, 0 |
| 468 | #define THREE_BYTE_1 NULL, NULL, IS_3BYTE_OPCODE, NULL, 1, NULL, 0 |
| 469 | |
| 470 | typedef void (*op_rtn) (int bytemode, int sizeflag); |
| 471 | |
| 472 | struct dis386 { |
| 473 | const char *name; |
| 474 | op_rtn op1; |
| 475 | int bytemode1; |
| 476 | op_rtn op2; |
| 477 | int bytemode2; |
| 478 | op_rtn op3; |
| 479 | int bytemode3; |
| 480 | }; |
| 481 | |
| 482 | /* Upper case letters in the instruction names here are macros. |
| 483 | 'A' => print 'b' if no register operands or suffix_always is true |
| 484 | 'B' => print 'b' if suffix_always is true |
| 485 | 'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand |
| 486 | . size prefix |
| 487 | 'E' => print 'e' if 32-bit form of jcxz |
| 488 | 'F' => print 'w' or 'l' depending on address size prefix (loop insns) |
| 489 | 'H' => print ",pt" or ",pn" branch hint |
| 490 | 'I' => honor following macro letter even in Intel mode (implemented only |
| 491 | . for some of the macro letters) |
| 492 | 'J' => print 'l' |
| 493 | 'L' => print 'l' if suffix_always is true |
| 494 | 'N' => print 'n' if instruction has no wait "prefix" |
| 495 | 'O' => print 'd', or 'o' |
| 496 | 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix, |
| 497 | . or suffix_always is true. print 'q' if rex prefix is present. |
| 498 | 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always |
| 499 | . is true |
| 500 | 'R' => print 'w', 'l' or 'q' ("wd" or "dq" in intel mode) |
| 501 | 'S' => print 'w', 'l' or 'q' if suffix_always is true |
| 502 | 'T' => print 'q' in 64bit mode and behave as 'P' otherwise |
| 503 | 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise |
| 504 | 'V' => print 'q' in 64bit mode and behave as 'S' otherwise |
| 505 | 'W' => print 'b' or 'w' ("w" or "de" in intel mode) |
| 506 | 'X' => print 's', 'd' depending on data16 prefix (for XMM) |
| 507 | 'Y' => 'q' if instruction has an REX 64bit overwrite prefix |
| 508 | 'Z' => print 'q' in 64bit mode and behave as 'L' otherwise |
| 509 | |
| 510 | Many of the above letters print nothing in Intel mode. See "putop" |
| 511 | for the details. |
| 512 | |
| 513 | Braces '{' and '}', and vertical bars '|', indicate alternative |
| 514 | mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel |
| 515 | modes. In cases where there are only two alternatives, the X86_64 |
| 516 | instruction is reserved, and "(bad)" is printed. |
| 517 | */ |
| 518 | |
| 519 | static const struct dis386 dis386[] = { |
| 520 | /* 00 */ |
| 521 | { "addB", Eb, Gb, XX }, |
| 522 | { "addS", Ev, Gv, XX }, |
| 523 | { "addB", Gb, Eb, XX }, |
| 524 | { "addS", Gv, Ev, XX }, |
| 525 | { "addB", AL, Ib, XX }, |
| 526 | { "addS", eAX, Iv, XX }, |
| 527 | { "push{T|}", es, XX, XX }, |
| 528 | { "pop{T|}", es, XX, XX }, |
| 529 | /* 08 */ |
| 530 | { "orB", Eb, Gb, XX }, |
| 531 | { "orS", Ev, Gv, XX }, |
| 532 | { "orB", Gb, Eb, XX }, |
| 533 | { "orS", Gv, Ev, XX }, |
| 534 | { "orB", AL, Ib, XX }, |
| 535 | { "orS", eAX, Iv, XX }, |
| 536 | { "push{T|}", cs, XX, XX }, |
| 537 | { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */ |
| 538 | /* 10 */ |
| 539 | { "adcB", Eb, Gb, XX }, |
| 540 | { "adcS", Ev, Gv, XX }, |
| 541 | { "adcB", Gb, Eb, XX }, |
| 542 | { "adcS", Gv, Ev, XX }, |
| 543 | { "adcB", AL, Ib, XX }, |
| 544 | { "adcS", eAX, Iv, XX }, |
| 545 | { "push{T|}", ss, XX, XX }, |
| 546 | { "pop{T|}", ss, XX, XX }, |
| 547 | /* 18 */ |
| 548 | { "sbbB", Eb, Gb, XX }, |
| 549 | { "sbbS", Ev, Gv, XX }, |
| 550 | { "sbbB", Gb, Eb, XX }, |
| 551 | { "sbbS", Gv, Ev, XX }, |
| 552 | { "sbbB", AL, Ib, XX }, |
| 553 | { "sbbS", eAX, Iv, XX }, |
| 554 | { "push{T|}", ds, XX, XX }, |
| 555 | { "pop{T|}", ds, XX, XX }, |
| 556 | /* 20 */ |
| 557 | { "andB", Eb, Gb, XX }, |
| 558 | { "andS", Ev, Gv, XX }, |
| 559 | { "andB", Gb, Eb, XX }, |
| 560 | { "andS", Gv, Ev, XX }, |
| 561 | { "andB", AL, Ib, XX }, |
| 562 | { "andS", eAX, Iv, XX }, |
| 563 | { "(bad)", XX, XX, XX }, /* SEG ES prefix */ |
| 564 | { "daa{|}", XX, XX, XX }, |
| 565 | /* 28 */ |
| 566 | { "subB", Eb, Gb, XX }, |
| 567 | { "subS", Ev, Gv, XX }, |
| 568 | { "subB", Gb, Eb, XX }, |
| 569 | { "subS", Gv, Ev, XX }, |
| 570 | { "subB", AL, Ib, XX }, |
| 571 | { "subS", eAX, Iv, XX }, |
| 572 | { "(bad)", XX, XX, XX }, /* SEG CS prefix */ |
| 573 | { "das{|}", XX, XX, XX }, |
| 574 | /* 30 */ |
| 575 | { "xorB", Eb, Gb, XX }, |
| 576 | { "xorS", Ev, Gv, XX }, |
| 577 | { "xorB", Gb, Eb, XX }, |
| 578 | { "xorS", Gv, Ev, XX }, |
| 579 | { "xorB", AL, Ib, XX }, |
| 580 | { "xorS", eAX, Iv, XX }, |
| 581 | { "(bad)", XX, XX, XX }, /* SEG SS prefix */ |
| 582 | { "aaa{|}", XX, XX, XX }, |
| 583 | /* 38 */ |
| 584 | { "cmpB", Eb, Gb, XX }, |
| 585 | { "cmpS", Ev, Gv, XX }, |
| 586 | { "cmpB", Gb, Eb, XX }, |
| 587 | { "cmpS", Gv, Ev, XX }, |
| 588 | { "cmpB", AL, Ib, XX }, |
| 589 | { "cmpS", eAX, Iv, XX }, |
| 590 | { "(bad)", XX, XX, XX }, /* SEG DS prefix */ |
| 591 | { "aas{|}", XX, XX, XX }, |
| 592 | /* 40 */ |
| 593 | { "inc{S|}", RMeAX, XX, XX }, |
| 594 | { "inc{S|}", RMeCX, XX, XX }, |
| 595 | { "inc{S|}", RMeDX, XX, XX }, |
| 596 | { "inc{S|}", RMeBX, XX, XX }, |
| 597 | { "inc{S|}", RMeSP, XX, XX }, |
| 598 | { "inc{S|}", RMeBP, XX, XX }, |
| 599 | { "inc{S|}", RMeSI, XX, XX }, |
| 600 | { "inc{S|}", RMeDI, XX, XX }, |
| 601 | /* 48 */ |
| 602 | { "dec{S|}", RMeAX, XX, XX }, |
| 603 | { "dec{S|}", RMeCX, XX, XX }, |
| 604 | { "dec{S|}", RMeDX, XX, XX }, |
| 605 | { "dec{S|}", RMeBX, XX, XX }, |
| 606 | { "dec{S|}", RMeSP, XX, XX }, |
| 607 | { "dec{S|}", RMeBP, XX, XX }, |
| 608 | { "dec{S|}", RMeSI, XX, XX }, |
| 609 | { "dec{S|}", RMeDI, XX, XX }, |
| 610 | /* 50 */ |
| 611 | { "pushV", RMrAX, XX, XX }, |
| 612 | { "pushV", RMrCX, XX, XX }, |
| 613 | { "pushV", RMrDX, XX, XX }, |
| 614 | { "pushV", RMrBX, XX, XX }, |
| 615 | { "pushV", RMrSP, XX, XX }, |
| 616 | { "pushV", RMrBP, XX, XX }, |
| 617 | { "pushV", RMrSI, XX, XX }, |
| 618 | { "pushV", RMrDI, XX, XX }, |
| 619 | /* 58 */ |
| 620 | { "popV", RMrAX, XX, XX }, |
| 621 | { "popV", RMrCX, XX, XX }, |
| 622 | { "popV", RMrDX, XX, XX }, |
| 623 | { "popV", RMrBX, XX, XX }, |
| 624 | { "popV", RMrSP, XX, XX }, |
| 625 | { "popV", RMrBP, XX, XX }, |
| 626 | { "popV", RMrSI, XX, XX }, |
| 627 | { "popV", RMrDI, XX, XX }, |
| 628 | /* 60 */ |
| 629 | { "pusha{P|}", XX, XX, XX }, |
| 630 | { "popa{P|}", XX, XX, XX }, |
| 631 | { "bound{S|}", Gv, Ma, XX }, |
| 632 | { X86_64_0 }, |
| 633 | { "(bad)", XX, XX, XX }, /* seg fs */ |
| 634 | { "(bad)", XX, XX, XX }, /* seg gs */ |
| 635 | { "(bad)", XX, XX, XX }, /* op size prefix */ |
| 636 | { "(bad)", XX, XX, XX }, /* adr size prefix */ |
| 637 | /* 68 */ |
| 638 | { "pushT", Iq, XX, XX }, |
| 639 | { "imulS", Gv, Ev, Iv }, |
| 640 | { "pushT", sIb, XX, XX }, |
| 641 | { "imulS", Gv, Ev, sIb }, |
| 642 | { "ins{b||b|}", Ybr, indirDX, XX }, |
| 643 | { "ins{R||R|}", Yvr, indirDX, XX }, |
| 644 | { "outs{b||b|}", indirDXr, Xb, XX }, |
| 645 | { "outs{R||R|}", indirDXr, Xv, XX }, |
| 646 | /* 70 */ |
| 647 | { "joH", Jb, XX, cond_jump_flag }, |
| 648 | { "jnoH", Jb, XX, cond_jump_flag }, |
| 649 | { "jbH", Jb, XX, cond_jump_flag }, |
| 650 | { "jaeH", Jb, XX, cond_jump_flag }, |
| 651 | { "jeH", Jb, XX, cond_jump_flag }, |
| 652 | { "jneH", Jb, XX, cond_jump_flag }, |
| 653 | { "jbeH", Jb, XX, cond_jump_flag }, |
| 654 | { "jaH", Jb, XX, cond_jump_flag }, |
| 655 | /* 78 */ |
| 656 | { "jsH", Jb, XX, cond_jump_flag }, |
| 657 | { "jnsH", Jb, XX, cond_jump_flag }, |
| 658 | { "jpH", Jb, XX, cond_jump_flag }, |
| 659 | { "jnpH", Jb, XX, cond_jump_flag }, |
| 660 | { "jlH", Jb, XX, cond_jump_flag }, |
| 661 | { "jgeH", Jb, XX, cond_jump_flag }, |
| 662 | { "jleH", Jb, XX, cond_jump_flag }, |
| 663 | { "jgH", Jb, XX, cond_jump_flag }, |
| 664 | /* 80 */ |
| 665 | { GRP1b }, |
| 666 | { GRP1S }, |
| 667 | { "(bad)", XX, XX, XX }, |
| 668 | { GRP1Ss }, |
| 669 | { "testB", Eb, Gb, XX }, |
| 670 | { "testS", Ev, Gv, XX }, |
| 671 | { "xchgB", Eb, Gb, XX }, |
| 672 | { "xchgS", Ev, Gv, XX }, |
| 673 | /* 88 */ |
| 674 | { "movB", Eb, Gb, XX }, |
| 675 | { "movS", Ev, Gv, XX }, |
| 676 | { "movB", Gb, Eb, XX }, |
| 677 | { "movS", Gv, Ev, XX }, |
| 678 | { "movQ", Sv, Sw, XX }, |
| 679 | { "leaS", Gv, M, XX }, |
| 680 | { "movQ", Sw, Sv, XX }, |
| 681 | { "popU", stackEv, XX, XX }, |
| 682 | /* 90 */ |
| 683 | { "xchgS", NOP_Fixup1, eAX_reg, NOP_Fixup2, eAX_reg, XX }, |
| 684 | { "xchgS", RMeCX, eAX, XX }, |
| 685 | { "xchgS", RMeDX, eAX, XX }, |
| 686 | { "xchgS", RMeBX, eAX, XX }, |
| 687 | { "xchgS", RMeSP, eAX, XX }, |
| 688 | { "xchgS", RMeBP, eAX, XX }, |
| 689 | { "xchgS", RMeSI, eAX, XX }, |
| 690 | { "xchgS", RMeDI, eAX, XX }, |
| 691 | /* 98 */ |
| 692 | { "cW{tR||tR|}", XX, XX, XX }, |
| 693 | { "cR{tO||tO|}", XX, XX, XX }, |
| 694 | { "Jcall{T|}", Ap, XX, XX }, |
| 695 | { "(bad)", XX, XX, XX }, /* fwait */ |
| 696 | { "pushfT", XX, XX, XX }, |
| 697 | { "popfT", XX, XX, XX }, |
| 698 | { "sahf{|}", XX, XX, XX }, |
| 699 | { "lahf{|}", XX, XX, XX }, |
| 700 | /* a0 */ |
| 701 | { "movB", AL, Ob, XX }, |
| 702 | { "movS", eAX, Ov, XX }, |
| 703 | { "movB", Ob, AL, XX }, |
| 704 | { "movS", Ov, eAX, XX }, |
| 705 | { "movs{b||b|}", Ybr, Xb, XX }, |
| 706 | { "movs{R||R|}", Yvr, Xv, XX }, |
| 707 | { "cmps{b||b|}", Xb, Yb, XX }, |
| 708 | { "cmps{R||R|}", Xv, Yv, XX }, |
| 709 | /* a8 */ |
| 710 | { "testB", AL, Ib, XX }, |
| 711 | { "testS", eAX, Iv, XX }, |
| 712 | { "stosB", Ybr, AL, XX }, |
| 713 | { "stosS", Yvr, eAX, XX }, |
| 714 | { "lodsB", ALr, Xb, XX }, |
| 715 | { "lodsS", eAXr, Xv, XX }, |
| 716 | { "scasB", AL, Yb, XX }, |
| 717 | { "scasS", eAX, Yv, XX }, |
| 718 | /* b0 */ |
| 719 | { "movB", RMAL, Ib, XX }, |
| 720 | { "movB", RMCL, Ib, XX }, |
| 721 | { "movB", RMDL, Ib, XX }, |
| 722 | { "movB", RMBL, Ib, XX }, |
| 723 | { "movB", RMAH, Ib, XX }, |
| 724 | { "movB", RMCH, Ib, XX }, |
| 725 | { "movB", RMDH, Ib, XX }, |
| 726 | { "movB", RMBH, Ib, XX }, |
| 727 | /* b8 */ |
| 728 | { "movS", RMeAX, Iv64, XX }, |
| 729 | { "movS", RMeCX, Iv64, XX }, |
| 730 | { "movS", RMeDX, Iv64, XX }, |
| 731 | { "movS", RMeBX, Iv64, XX }, |
| 732 | { "movS", RMeSP, Iv64, XX }, |
| 733 | { "movS", RMeBP, Iv64, XX }, |
| 734 | { "movS", RMeSI, Iv64, XX }, |
| 735 | { "movS", RMeDI, Iv64, XX }, |
| 736 | /* c0 */ |
| 737 | { GRP2b }, |
| 738 | { GRP2S }, |
| 739 | { "retT", Iw, XX, XX }, |
| 740 | { "retT", XX, XX, XX }, |
| 741 | { "les{S|}", Gv, Mp, XX }, |
| 742 | { "ldsS", Gv, Mp, XX }, |
| 743 | { "movA", Eb, Ib, XX }, |
| 744 | { "movQ", Ev, Iv, XX }, |
| 745 | /* c8 */ |
| 746 | { "enterT", Iw, Ib, XX }, |
| 747 | { "leaveT", XX, XX, XX }, |
| 748 | { "lretP", Iw, XX, XX }, |
| 749 | { "lretP", XX, XX, XX }, |
| 750 | { "int3", XX, XX, XX }, |
| 751 | { "int", Ib, XX, XX }, |
| 752 | { "into{|}", XX, XX, XX }, |
| 753 | { "iretP", XX, XX, XX }, |
| 754 | /* d0 */ |
| 755 | { GRP2b_one }, |
| 756 | { GRP2S_one }, |
| 757 | { GRP2b_cl }, |
| 758 | { GRP2S_cl }, |
| 759 | { "aam{|}", sIb, XX, XX }, |
| 760 | { "aad{|}", sIb, XX, XX }, |
| 761 | { "(bad)", XX, XX, XX }, |
| 762 | { "xlat", DSBX, XX, XX }, |
| 763 | /* d8 */ |
| 764 | { FLOAT }, |
| 765 | { FLOAT }, |
| 766 | { FLOAT }, |
| 767 | { FLOAT }, |
| 768 | { FLOAT }, |
| 769 | { FLOAT }, |
| 770 | { FLOAT }, |
| 771 | { FLOAT }, |
| 772 | /* e0 */ |
| 773 | { "loopneFH", Jb, XX, loop_jcxz_flag }, |
| 774 | { "loopeFH", Jb, XX, loop_jcxz_flag }, |
| 775 | { "loopFH", Jb, XX, loop_jcxz_flag }, |
| 776 | { "jEcxzH", Jb, XX, loop_jcxz_flag }, |
| 777 | { "inB", AL, Ib, XX }, |
| 778 | { "inS", eAX, Ib, XX }, |
| 779 | { "outB", Ib, AL, XX }, |
| 780 | { "outS", Ib, eAX, XX }, |
| 781 | /* e8 */ |
| 782 | { "callT", Jv, XX, XX }, |
| 783 | { "jmpT", Jv, XX, XX }, |
| 784 | { "Jjmp{T|}", Ap, XX, XX }, |
| 785 | { "jmp", Jb, XX, XX }, |
| 786 | { "inB", AL, indirDX, XX }, |
| 787 | { "inS", eAX, indirDX, XX }, |
| 788 | { "outB", indirDX, AL, XX }, |
| 789 | { "outS", indirDX, eAX, XX }, |
| 790 | /* f0 */ |
| 791 | { "(bad)", XX, XX, XX }, /* lock prefix */ |
| 792 | { "icebp", XX, XX, XX }, |
| 793 | { "(bad)", XX, XX, XX }, /* repne */ |
| 794 | { "(bad)", XX, XX, XX }, /* repz */ |
| 795 | { "hlt", XX, XX, XX }, |
| 796 | { "cmc", XX, XX, XX }, |
| 797 | { GRP3b }, |
| 798 | { GRP3S }, |
| 799 | /* f8 */ |
| 800 | { "clc", XX, XX, XX }, |
| 801 | { "stc", XX, XX, XX }, |
| 802 | { "cli", XX, XX, XX }, |
| 803 | { "sti", XX, XX, XX }, |
| 804 | { "cld", XX, XX, XX }, |
| 805 | { "std", XX, XX, XX }, |
| 806 | { GRP4 }, |
| 807 | { GRP5 }, |
| 808 | }; |
| 809 | |
| 810 | static const struct dis386 dis386_twobyte[] = { |
| 811 | /* 00 */ |
| 812 | { GRP6 }, |
| 813 | { GRP7 }, |
| 814 | { "larS", Gv, Ew, XX }, |
| 815 | { "lslS", Gv, Ew, XX }, |
| 816 | { "(bad)", XX, XX, XX }, |
| 817 | { "syscall", XX, XX, XX }, |
| 818 | { "clts", XX, XX, XX }, |
| 819 | { "sysretP", XX, XX, XX }, |
| 820 | /* 08 */ |
| 821 | { "invd", XX, XX, XX }, |
| 822 | { "wbinvd", XX, XX, XX }, |
| 823 | { "(bad)", XX, XX, XX }, |
| 824 | { "ud2a", XX, XX, XX }, |
| 825 | { "(bad)", XX, XX, XX }, |
| 826 | { GRPAMD }, |
| 827 | { "femms", XX, XX, XX }, |
| 828 | { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix. */ |
| 829 | /* 10 */ |
| 830 | { PREGRP8 }, |
| 831 | { PREGRP9 }, |
| 832 | { PREGRP30 }, |
| 833 | { "movlpX", EX, XM, SIMD_Fixup, 'h' }, |
| 834 | { "unpcklpX", XM, EX, XX }, |
| 835 | { "unpckhpX", XM, EX, XX }, |
| 836 | { PREGRP31 }, |
| 837 | { "movhpX", EX, XM, SIMD_Fixup, 'l' }, |
| 838 | /* 18 */ |
| 839 | { GRP16 }, |
| 840 | { "(bad)", XX, XX, XX }, |
| 841 | { "(bad)", XX, XX, XX }, |
| 842 | { "(bad)", XX, XX, XX }, |
| 843 | { "(bad)", XX, XX, XX }, |
| 844 | { "(bad)", XX, XX, XX }, |
| 845 | { "(bad)", XX, XX, XX }, |
| 846 | { "nopQ", Ev, XX, XX }, |
| 847 | /* 20 */ |
| 848 | { "movZ", Rm, Cm, XX }, |
| 849 | { "movZ", Rm, Dm, XX }, |
| 850 | { "movZ", Cm, Rm, XX }, |
| 851 | { "movZ", Dm, Rm, XX }, |
| 852 | { "movL", Rd, Td, XX }, |
| 853 | { "(bad)", XX, XX, XX }, |
| 854 | { "movL", Td, Rd, XX }, |
| 855 | { "(bad)", XX, XX, XX }, |
| 856 | /* 28 */ |
| 857 | { "movapX", XM, EX, XX }, |
| 858 | { "movapX", EX, XM, XX }, |
| 859 | { PREGRP2 }, |
| 860 | { "movntpX", Ev, XM, XX }, |
| 861 | { PREGRP4 }, |
| 862 | { PREGRP3 }, |
| 863 | { "ucomisX", XM,EX, XX }, |
| 864 | { "comisX", XM,EX, XX }, |
| 865 | /* 30 */ |
| 866 | { "wrmsr", XX, XX, XX }, |
| 867 | { "rdtsc", XX, XX, XX }, |
| 868 | { "rdmsr", XX, XX, XX }, |
| 869 | { "rdpmc", XX, XX, XX }, |
| 870 | { "sysenter", XX, XX, XX }, |
| 871 | { "sysexit", XX, XX, XX }, |
| 872 | { "(bad)", XX, XX, XX }, |
| 873 | { "(bad)", XX, XX, XX }, |
| 874 | /* 38 */ |
| 875 | { THREE_BYTE_0 }, |
| 876 | { "(bad)", XX, XX, XX }, |
| 877 | { THREE_BYTE_1 }, |
| 878 | { "(bad)", XX, XX, XX }, |
| 879 | { "(bad)", XX, XX, XX }, |
| 880 | { "(bad)", XX, XX, XX }, |
| 881 | { "(bad)", XX, XX, XX }, |
| 882 | { "(bad)", XX, XX, XX }, |
| 883 | /* 40 */ |
| 884 | { "cmovo", Gv, Ev, XX }, |
| 885 | { "cmovno", Gv, Ev, XX }, |
| 886 | { "cmovb", Gv, Ev, XX }, |
| 887 | { "cmovae", Gv, Ev, XX }, |
| 888 | { "cmove", Gv, Ev, XX }, |
| 889 | { "cmovne", Gv, Ev, XX }, |
| 890 | { "cmovbe", Gv, Ev, XX }, |
| 891 | { "cmova", Gv, Ev, XX }, |
| 892 | /* 48 */ |
| 893 | { "cmovs", Gv, Ev, XX }, |
| 894 | { "cmovns", Gv, Ev, XX }, |
| 895 | { "cmovp", Gv, Ev, XX }, |
| 896 | { "cmovnp", Gv, Ev, XX }, |
| 897 | { "cmovl", Gv, Ev, XX }, |
| 898 | { "cmovge", Gv, Ev, XX }, |
| 899 | { "cmovle", Gv, Ev, XX }, |
| 900 | { "cmovg", Gv, Ev, XX }, |
| 901 | /* 50 */ |
| 902 | { "movmskpX", Gdq, XS, XX }, |
| 903 | { PREGRP13 }, |
| 904 | { PREGRP12 }, |
| 905 | { PREGRP11 }, |
| 906 | { "andpX", XM, EX, XX }, |
| 907 | { "andnpX", XM, EX, XX }, |
| 908 | { "orpX", XM, EX, XX }, |
| 909 | { "xorpX", XM, EX, XX }, |
| 910 | /* 58 */ |
| 911 | { PREGRP0 }, |
| 912 | { PREGRP10 }, |
| 913 | { PREGRP17 }, |
| 914 | { PREGRP16 }, |
| 915 | { PREGRP14 }, |
| 916 | { PREGRP7 }, |
| 917 | { PREGRP5 }, |
| 918 | { PREGRP6 }, |
| 919 | /* 60 */ |
| 920 | { "punpcklbw", MX, EM, XX }, |
| 921 | { "punpcklwd", MX, EM, XX }, |
| 922 | { "punpckldq", MX, EM, XX }, |
| 923 | { "packsswb", MX, EM, XX }, |
| 924 | { "pcmpgtb", MX, EM, XX }, |
| 925 | { "pcmpgtw", MX, EM, XX }, |
| 926 | { "pcmpgtd", MX, EM, XX }, |
| 927 | { "packuswb", MX, EM, XX }, |
| 928 | /* 68 */ |
| 929 | { "punpckhbw", MX, EM, XX }, |
| 930 | { "punpckhwd", MX, EM, XX }, |
| 931 | { "punpckhdq", MX, EM, XX }, |
| 932 | { "packssdw", MX, EM, XX }, |
| 933 | { PREGRP26 }, |
| 934 | { PREGRP24 }, |
| 935 | { "movd", MX, Edq, XX }, |
| 936 | { PREGRP19 }, |
| 937 | /* 70 */ |
| 938 | { PREGRP22 }, |
| 939 | { GRP12 }, |
| 940 | { GRP13 }, |
| 941 | { GRP14 }, |
| 942 | { "pcmpeqb", MX, EM, XX }, |
| 943 | { "pcmpeqw", MX, EM, XX }, |
| 944 | { "pcmpeqd", MX, EM, XX }, |
| 945 | { "emms", XX, XX, XX }, |
| 946 | /* 78 */ |
| 947 | { "vmread", Em, Gm, XX }, |
| 948 | { "vmwrite", Gm, Em, XX }, |
| 949 | { "(bad)", XX, XX, XX }, |
| 950 | { "(bad)", XX, XX, XX }, |
| 951 | { PREGRP28 }, |
| 952 | { PREGRP29 }, |
| 953 | { PREGRP23 }, |
| 954 | { PREGRP20 }, |
| 955 | /* 80 */ |
| 956 | { "joH", Jv, XX, cond_jump_flag }, |
| 957 | { "jnoH", Jv, XX, cond_jump_flag }, |
| 958 | { "jbH", Jv, XX, cond_jump_flag }, |
| 959 | { "jaeH", Jv, XX, cond_jump_flag }, |
| 960 | { "jeH", Jv, XX, cond_jump_flag }, |
| 961 | { "jneH", Jv, XX, cond_jump_flag }, |
| 962 | { "jbeH", Jv, XX, cond_jump_flag }, |
| 963 | { "jaH", Jv, XX, cond_jump_flag }, |
| 964 | /* 88 */ |
| 965 | { "jsH", Jv, XX, cond_jump_flag }, |
| 966 | { "jnsH", Jv, XX, cond_jump_flag }, |
| 967 | { "jpH", Jv, XX, cond_jump_flag }, |
| 968 | { "jnpH", Jv, XX, cond_jump_flag }, |
| 969 | { "jlH", Jv, XX, cond_jump_flag }, |
| 970 | { "jgeH", Jv, XX, cond_jump_flag }, |
| 971 | { "jleH", Jv, XX, cond_jump_flag }, |
| 972 | { "jgH", Jv, XX, cond_jump_flag }, |
| 973 | /* 90 */ |
| 974 | { "seto", Eb, XX, XX }, |
| 975 | { "setno", Eb, XX, XX }, |
| 976 | { "setb", Eb, XX, XX }, |
| 977 | { "setae", Eb, XX, XX }, |
| 978 | { "sete", Eb, XX, XX }, |
| 979 | { "setne", Eb, XX, XX }, |
| 980 | { "setbe", Eb, XX, XX }, |
| 981 | { "seta", Eb, XX, XX }, |
| 982 | /* 98 */ |
| 983 | { "sets", Eb, XX, XX }, |
| 984 | { "setns", Eb, XX, XX }, |
| 985 | { "setp", Eb, XX, XX }, |
| 986 | { "setnp", Eb, XX, XX }, |
| 987 | { "setl", Eb, XX, XX }, |
| 988 | { "setge", Eb, XX, XX }, |
| 989 | { "setle", Eb, XX, XX }, |
| 990 | { "setg", Eb, XX, XX }, |
| 991 | /* a0 */ |
| 992 | { "pushT", fs, XX, XX }, |
| 993 | { "popT", fs, XX, XX }, |
| 994 | { "cpuid", XX, XX, XX }, |
| 995 | { "btS", Ev, Gv, XX }, |
| 996 | { "shldS", Ev, Gv, Ib }, |
| 997 | { "shldS", Ev, Gv, CL }, |
| 998 | { GRPPADLCK2 }, |
| 999 | { GRPPADLCK1 }, |
| 1000 | /* a8 */ |
| 1001 | { "pushT", gs, XX, XX }, |
| 1002 | { "popT", gs, XX, XX }, |
| 1003 | { "rsm", XX, XX, XX }, |
| 1004 | { "btsS", Ev, Gv, XX }, |
| 1005 | { "shrdS", Ev, Gv, Ib }, |
| 1006 | { "shrdS", Ev, Gv, CL }, |
| 1007 | { GRP15 }, |
| 1008 | { "imulS", Gv, Ev, XX }, |
| 1009 | /* b0 */ |
| 1010 | { "cmpxchgB", Eb, Gb, XX }, |
| 1011 | { "cmpxchgS", Ev, Gv, XX }, |
| 1012 | { "lssS", Gv, Mp, XX }, |
| 1013 | { "btrS", Ev, Gv, XX }, |
| 1014 | { "lfsS", Gv, Mp, XX }, |
| 1015 | { "lgsS", Gv, Mp, XX }, |
| 1016 | { "movz{bR|x|bR|x}", Gv, Eb, XX }, |
| 1017 | { "movz{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movzww ! */ |
| 1018 | /* b8 */ |
| 1019 | { "(bad)", XX, XX, XX }, |
| 1020 | { "ud2b", XX, XX, XX }, |
| 1021 | { GRP8 }, |
| 1022 | { "btcS", Ev, Gv, XX }, |
| 1023 | { "bsfS", Gv, Ev, XX }, |
| 1024 | { "bsrS", Gv, Ev, XX }, |
| 1025 | { "movs{bR|x|bR|x}", Gv, Eb, XX }, |
| 1026 | { "movs{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movsww ! */ |
| 1027 | /* c0 */ |
| 1028 | { "xaddB", Eb, Gb, XX }, |
| 1029 | { "xaddS", Ev, Gv, XX }, |
| 1030 | { PREGRP1 }, |
| 1031 | { "movntiS", Ev, Gv, XX }, |
| 1032 | { "pinsrw", MX, Edqw, Ib }, |
| 1033 | { "pextrw", Gdq, MS, Ib }, |
| 1034 | { "shufpX", XM, EX, Ib }, |
| 1035 | { GRP9 }, |
| 1036 | /* c8 */ |
| 1037 | { "bswap", RMeAX, XX, XX }, |
| 1038 | { "bswap", RMeCX, XX, XX }, |
| 1039 | { "bswap", RMeDX, XX, XX }, |
| 1040 | { "bswap", RMeBX, XX, XX }, |
| 1041 | { "bswap", RMeSP, XX, XX }, |
| 1042 | { "bswap", RMeBP, XX, XX }, |
| 1043 | { "bswap", RMeSI, XX, XX }, |
| 1044 | { "bswap", RMeDI, XX, XX }, |
| 1045 | /* d0 */ |
| 1046 | { PREGRP27 }, |
| 1047 | { "psrlw", MX, EM, XX }, |
| 1048 | { "psrld", MX, EM, XX }, |
| 1049 | { "psrlq", MX, EM, XX }, |
| 1050 | { "paddq", MX, EM, XX }, |
| 1051 | { "pmullw", MX, EM, XX }, |
| 1052 | { PREGRP21 }, |
| 1053 | { "pmovmskb", Gdq, MS, XX }, |
| 1054 | /* d8 */ |
| 1055 | { "psubusb", MX, EM, XX }, |
| 1056 | { "psubusw", MX, EM, XX }, |
| 1057 | { "pminub", MX, EM, XX }, |
| 1058 | { "pand", MX, EM, XX }, |
| 1059 | { "paddusb", MX, EM, XX }, |
| 1060 | { "paddusw", MX, EM, XX }, |
| 1061 | { "pmaxub", MX, EM, XX }, |
| 1062 | { "pandn", MX, EM, XX }, |
| 1063 | /* e0 */ |
| 1064 | { "pavgb", MX, EM, XX }, |
| 1065 | { "psraw", MX, EM, XX }, |
| 1066 | { "psrad", MX, EM, XX }, |
| 1067 | { "pavgw", MX, EM, XX }, |
| 1068 | { "pmulhuw", MX, EM, XX }, |
| 1069 | { "pmulhw", MX, EM, XX }, |
| 1070 | { PREGRP15 }, |
| 1071 | { PREGRP25 }, |
| 1072 | /* e8 */ |
| 1073 | { "psubsb", MX, EM, XX }, |
| 1074 | { "psubsw", MX, EM, XX }, |
| 1075 | { "pminsw", MX, EM, XX }, |
| 1076 | { "por", MX, EM, XX }, |
| 1077 | { "paddsb", MX, EM, XX }, |
| 1078 | { "paddsw", MX, EM, XX }, |
| 1079 | { "pmaxsw", MX, EM, XX }, |
| 1080 | { "pxor", MX, EM, XX }, |
| 1081 | /* f0 */ |
| 1082 | { PREGRP32 }, |
| 1083 | { "psllw", MX, EM, XX }, |
| 1084 | { "pslld", MX, EM, XX }, |
| 1085 | { "psllq", MX, EM, XX }, |
| 1086 | { "pmuludq", MX, EM, XX }, |
| 1087 | { "pmaddwd", MX, EM, XX }, |
| 1088 | { "psadbw", MX, EM, XX }, |
| 1089 | { PREGRP18 }, |
| 1090 | /* f8 */ |
| 1091 | { "psubb", MX, EM, XX }, |
| 1092 | { "psubw", MX, EM, XX }, |
| 1093 | { "psubd", MX, EM, XX }, |
| 1094 | { "psubq", MX, EM, XX }, |
| 1095 | { "paddb", MX, EM, XX }, |
| 1096 | { "paddw", MX, EM, XX }, |
| 1097 | { "paddd", MX, EM, XX }, |
| 1098 | { "(bad)", XX, XX, XX } |
| 1099 | }; |
| 1100 | |
| 1101 | static const unsigned char onebyte_has_modrm[256] = { |
| 1102 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1103 | /* ------------------------------- */ |
| 1104 | /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */ |
| 1105 | /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */ |
| 1106 | /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */ |
| 1107 | /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */ |
| 1108 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */ |
| 1109 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */ |
| 1110 | /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */ |
| 1111 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */ |
| 1112 | /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ |
| 1113 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */ |
| 1114 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */ |
| 1115 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */ |
| 1116 | /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */ |
| 1117 | /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */ |
| 1118 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */ |
| 1119 | /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */ |
| 1120 | /* ------------------------------- */ |
| 1121 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1122 | }; |
| 1123 | |
| 1124 | static const unsigned char twobyte_has_modrm[256] = { |
| 1125 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1126 | /* ------------------------------- */ |
| 1127 | /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */ |
| 1128 | /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,1, /* 1f */ |
| 1129 | /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */ |
| 1130 | /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */ |
| 1131 | /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ |
| 1132 | /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */ |
| 1133 | /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */ |
| 1134 | /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */ |
| 1135 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ |
| 1136 | /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */ |
| 1137 | /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */ |
| 1138 | /* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */ |
| 1139 | /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */ |
| 1140 | /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */ |
| 1141 | /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */ |
| 1142 | /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */ |
| 1143 | /* ------------------------------- */ |
| 1144 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1145 | }; |
| 1146 | |
| 1147 | static const unsigned char twobyte_uses_SSE_prefix[256] = { |
| 1148 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1149 | /* ------------------------------- */ |
| 1150 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ |
| 1151 | /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */ |
| 1152 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */ |
| 1153 | /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */ |
| 1154 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ |
| 1155 | /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */ |
| 1156 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */ |
| 1157 | /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1, /* 7f */ |
| 1158 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ |
| 1159 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ |
| 1160 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ |
| 1161 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ |
| 1162 | /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ |
| 1163 | /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ |
| 1164 | /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ |
| 1165 | /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */ |
| 1166 | /* ------------------------------- */ |
| 1167 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
| 1168 | }; |
| 1169 | |
| 1170 | static char obuf[100]; |
| 1171 | static char *obufp; |
| 1172 | static char scratchbuf[100]; |
| 1173 | static unsigned char *start_codep; |
| 1174 | static unsigned char *insn_codep; |
| 1175 | static unsigned char *codep; |
| 1176 | static disassemble_info *the_info; |
| 1177 | static int mod; |
| 1178 | static int rm; |
| 1179 | static int reg; |
| 1180 | static unsigned char need_modrm; |
| 1181 | |
| 1182 | /* If we are accessing mod/rm/reg without need_modrm set, then the |
| 1183 | values are stale. Hitting this abort likely indicates that you |
| 1184 | need to update onebyte_has_modrm or twobyte_has_modrm. */ |
| 1185 | #define MODRM_CHECK if (!need_modrm) abort () |
| 1186 | |
| 1187 | static const char **names64; |
| 1188 | static const char **names32; |
| 1189 | static const char **names16; |
| 1190 | static const char **names8; |
| 1191 | static const char **names8rex; |
| 1192 | static const char **names_seg; |
| 1193 | static const char **index16; |
| 1194 | |
| 1195 | static const char *intel_names64[] = { |
| 1196 | "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", |
| 1197 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" |
| 1198 | }; |
| 1199 | static const char *intel_names32[] = { |
| 1200 | "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", |
| 1201 | "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" |
| 1202 | }; |
| 1203 | static const char *intel_names16[] = { |
| 1204 | "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", |
| 1205 | "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w" |
| 1206 | }; |
| 1207 | static const char *intel_names8[] = { |
| 1208 | "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh", |
| 1209 | }; |
| 1210 | static const char *intel_names8rex[] = { |
| 1211 | "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil", |
| 1212 | "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b" |
| 1213 | }; |
| 1214 | static const char *intel_names_seg[] = { |
| 1215 | "es", "cs", "ss", "ds", "fs", "gs", "?", "?", |
| 1216 | }; |
| 1217 | static const char *intel_index16[] = { |
| 1218 | "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx" |
| 1219 | }; |
| 1220 | |
| 1221 | static const char *att_names64[] = { |
| 1222 | "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", |
| 1223 | "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" |
| 1224 | }; |
| 1225 | static const char *att_names32[] = { |
| 1226 | "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", |
| 1227 | "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" |
| 1228 | }; |
| 1229 | static const char *att_names16[] = { |
| 1230 | "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", |
| 1231 | "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" |
| 1232 | }; |
| 1233 | static const char *att_names8[] = { |
| 1234 | "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", |
| 1235 | }; |
| 1236 | static const char *att_names8rex[] = { |
| 1237 | "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", |
| 1238 | "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" |
| 1239 | }; |
| 1240 | static const char *att_names_seg[] = { |
| 1241 | "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?", |
| 1242 | }; |
| 1243 | static const char *att_index16[] = { |
| 1244 | "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx" |
| 1245 | }; |
| 1246 | |
| 1247 | static const struct dis386 grps[][8] = { |
| 1248 | /* GRP1b */ |
| 1249 | { |
| 1250 | { "addA", Eb, Ib, XX }, |
| 1251 | { "orA", Eb, Ib, XX }, |
| 1252 | { "adcA", Eb, Ib, XX }, |
| 1253 | { "sbbA", Eb, Ib, XX }, |
| 1254 | { "andA", Eb, Ib, XX }, |
| 1255 | { "subA", Eb, Ib, XX }, |
| 1256 | { "xorA", Eb, Ib, XX }, |
| 1257 | { "cmpA", Eb, Ib, XX } |
| 1258 | }, |
| 1259 | /* GRP1S */ |
| 1260 | { |
| 1261 | { "addQ", Ev, Iv, XX }, |
| 1262 | { "orQ", Ev, Iv, XX }, |
| 1263 | { "adcQ", Ev, Iv, XX }, |
| 1264 | { "sbbQ", Ev, Iv, XX }, |
| 1265 | { "andQ", Ev, Iv, XX }, |
| 1266 | { "subQ", Ev, Iv, XX }, |
| 1267 | { "xorQ", Ev, Iv, XX }, |
| 1268 | { "cmpQ", Ev, Iv, XX } |
| 1269 | }, |
| 1270 | /* GRP1Ss */ |
| 1271 | { |
| 1272 | { "addQ", Ev, sIb, XX }, |
| 1273 | { "orQ", Ev, sIb, XX }, |
| 1274 | { "adcQ", Ev, sIb, XX }, |
| 1275 | { "sbbQ", Ev, sIb, XX }, |
| 1276 | { "andQ", Ev, sIb, XX }, |
| 1277 | { "subQ", Ev, sIb, XX }, |
| 1278 | { "xorQ", Ev, sIb, XX }, |
| 1279 | { "cmpQ", Ev, sIb, XX } |
| 1280 | }, |
| 1281 | /* GRP2b */ |
| 1282 | { |
| 1283 | { "rolA", Eb, Ib, XX }, |
| 1284 | { "rorA", Eb, Ib, XX }, |
| 1285 | { "rclA", Eb, Ib, XX }, |
| 1286 | { "rcrA", Eb, Ib, XX }, |
| 1287 | { "shlA", Eb, Ib, XX }, |
| 1288 | { "shrA", Eb, Ib, XX }, |
| 1289 | { "(bad)", XX, XX, XX }, |
| 1290 | { "sarA", Eb, Ib, XX }, |
| 1291 | }, |
| 1292 | /* GRP2S */ |
| 1293 | { |
| 1294 | { "rolQ", Ev, Ib, XX }, |
| 1295 | { "rorQ", Ev, Ib, XX }, |
| 1296 | { "rclQ", Ev, Ib, XX }, |
| 1297 | { "rcrQ", Ev, Ib, XX }, |
| 1298 | { "shlQ", Ev, Ib, XX }, |
| 1299 | { "shrQ", Ev, Ib, XX }, |
| 1300 | { "(bad)", XX, XX, XX }, |
| 1301 | { "sarQ", Ev, Ib, XX }, |
| 1302 | }, |
| 1303 | /* GRP2b_one */ |
| 1304 | { |
| 1305 | { "rolA", Eb, I1, XX }, |
| 1306 | { "rorA", Eb, I1, XX }, |
| 1307 | { "rclA", Eb, I1, XX }, |
| 1308 | { "rcrA", Eb, I1, XX }, |
| 1309 | { "shlA", Eb, I1, XX }, |
| 1310 | { "shrA", Eb, I1, XX }, |
| 1311 | { "(bad)", XX, XX, XX }, |
| 1312 | { "sarA", Eb, I1, XX }, |
| 1313 | }, |
| 1314 | /* GRP2S_one */ |
| 1315 | { |
| 1316 | { "rolQ", Ev, I1, XX }, |
| 1317 | { "rorQ", Ev, I1, XX }, |
| 1318 | { "rclQ", Ev, I1, XX }, |
| 1319 | { "rcrQ", Ev, I1, XX }, |
| 1320 | { "shlQ", Ev, I1, XX }, |
| 1321 | { "shrQ", Ev, I1, XX }, |
| 1322 | { "(bad)", XX, XX, XX}, |
| 1323 | { "sarQ", Ev, I1, XX }, |
| 1324 | }, |
| 1325 | /* GRP2b_cl */ |
| 1326 | { |
| 1327 | { "rolA", Eb, CL, XX }, |
| 1328 | { "rorA", Eb, CL, XX }, |
| 1329 | { "rclA", Eb, CL, XX }, |
| 1330 | { "rcrA", Eb, CL, XX }, |
| 1331 | { "shlA", Eb, CL, XX }, |
| 1332 | { "shrA", Eb, CL, XX }, |
| 1333 | { "(bad)", XX, XX, XX }, |
| 1334 | { "sarA", Eb, CL, XX }, |
| 1335 | }, |
| 1336 | /* GRP2S_cl */ |
| 1337 | { |
| 1338 | { "rolQ", Ev, CL, XX }, |
| 1339 | { "rorQ", Ev, CL, XX }, |
| 1340 | { "rclQ", Ev, CL, XX }, |
| 1341 | { "rcrQ", Ev, CL, XX }, |
| 1342 | { "shlQ", Ev, CL, XX }, |
| 1343 | { "shrQ", Ev, CL, XX }, |
| 1344 | { "(bad)", XX, XX, XX }, |
| 1345 | { "sarQ", Ev, CL, XX } |
| 1346 | }, |
| 1347 | /* GRP3b */ |
| 1348 | { |
| 1349 | { "testA", Eb, Ib, XX }, |
| 1350 | { "(bad)", Eb, XX, XX }, |
| 1351 | { "notA", Eb, XX, XX }, |
| 1352 | { "negA", Eb, XX, XX }, |
| 1353 | { "mulA", Eb, XX, XX }, /* Don't print the implicit %al register, */ |
| 1354 | { "imulA", Eb, XX, XX }, /* to distinguish these opcodes from other */ |
| 1355 | { "divA", Eb, XX, XX }, /* mul/imul opcodes. Do the same for div */ |
| 1356 | { "idivA", Eb, XX, XX } /* and idiv for consistency. */ |
| 1357 | }, |
| 1358 | /* GRP3S */ |
| 1359 | { |
| 1360 | { "testQ", Ev, Iv, XX }, |
| 1361 | { "(bad)", XX, XX, XX }, |
| 1362 | { "notQ", Ev, XX, XX }, |
| 1363 | { "negQ", Ev, XX, XX }, |
| 1364 | { "mulQ", Ev, XX, XX }, /* Don't print the implicit register. */ |
| 1365 | { "imulQ", Ev, XX, XX }, |
| 1366 | { "divQ", Ev, XX, XX }, |
| 1367 | { "idivQ", Ev, XX, XX }, |
| 1368 | }, |
| 1369 | /* GRP4 */ |
| 1370 | { |
| 1371 | { "incA", Eb, XX, XX }, |
| 1372 | { "decA", Eb, XX, XX }, |
| 1373 | { "(bad)", XX, XX, XX }, |
| 1374 | { "(bad)", XX, XX, XX }, |
| 1375 | { "(bad)", XX, XX, XX }, |
| 1376 | { "(bad)", XX, XX, XX }, |
| 1377 | { "(bad)", XX, XX, XX }, |
| 1378 | { "(bad)", XX, XX, XX }, |
| 1379 | }, |
| 1380 | /* GRP5 */ |
| 1381 | { |
| 1382 | { "incQ", Ev, XX, XX }, |
| 1383 | { "decQ", Ev, XX, XX }, |
| 1384 | { "callT", indirEv, XX, XX }, |
| 1385 | { "JcallT", indirEp, XX, XX }, |
| 1386 | { "jmpT", indirEv, XX, XX }, |
| 1387 | { "JjmpT", indirEp, XX, XX }, |
| 1388 | { "pushU", stackEv, XX, XX }, |
| 1389 | { "(bad)", XX, XX, XX }, |
| 1390 | }, |
| 1391 | /* GRP6 */ |
| 1392 | { |
| 1393 | { "sldtQ", Ev, XX, XX }, |
| 1394 | { "strQ", Ev, XX, XX }, |
| 1395 | { "lldt", Ew, XX, XX }, |
| 1396 | { "ltr", Ew, XX, XX }, |
| 1397 | { "verr", Ew, XX, XX }, |
| 1398 | { "verw", Ew, XX, XX }, |
| 1399 | { "(bad)", XX, XX, XX }, |
| 1400 | { "(bad)", XX, XX, XX } |
| 1401 | }, |
| 1402 | /* GRP7 */ |
| 1403 | { |
| 1404 | { "sgdt{Q|IQ||}", VMX_Fixup, 0, XX, XX }, |
| 1405 | { "sidt{Q|IQ||}", PNI_Fixup, 0, XX, XX }, |
| 1406 | { "lgdt{Q|Q||}", M, XX, XX }, |
| 1407 | { "lidt{Q|Q||}", SVME_Fixup, 0, XX, XX }, |
| 1408 | { "smswQ", Ev, XX, XX }, |
| 1409 | { "(bad)", XX, XX, XX }, |
| 1410 | { "lmsw", Ew, XX, XX }, |
| 1411 | { "invlpg", INVLPG_Fixup, w_mode, XX, XX }, |
| 1412 | }, |
| 1413 | /* GRP8 */ |
| 1414 | { |
| 1415 | { "(bad)", XX, XX, XX }, |
| 1416 | { "(bad)", XX, XX, XX }, |
| 1417 | { "(bad)", XX, XX, XX }, |
| 1418 | { "(bad)", XX, XX, XX }, |
| 1419 | { "btQ", Ev, Ib, XX }, |
| 1420 | { "btsQ", Ev, Ib, XX }, |
| 1421 | { "btrQ", Ev, Ib, XX }, |
| 1422 | { "btcQ", Ev, Ib, XX }, |
| 1423 | }, |
| 1424 | /* GRP9 */ |
| 1425 | { |
| 1426 | { "(bad)", XX, XX, XX }, |
| 1427 | { "cmpxchg8b", Eq, XX, XX }, |
| 1428 | { "(bad)", XX, XX, XX }, |
| 1429 | { "(bad)", XX, XX, XX }, |
| 1430 | { "(bad)", XX, XX, XX }, |
| 1431 | { "(bad)", XX, XX, XX }, |
| 1432 | { "", VM, XX, XX }, /* See OP_VMX. */ |
| 1433 | { "vmptrst", Eq, XX, XX }, |
| 1434 | }, |
| 1435 | /* GRP12 */ |
| 1436 | { |
| 1437 | { "(bad)", XX, XX, XX }, |
| 1438 | { "(bad)", XX, XX, XX }, |
| 1439 | { "psrlw", MS, Ib, XX }, |
| 1440 | { "(bad)", XX, XX, XX }, |
| 1441 | { "psraw", MS, Ib, XX }, |
| 1442 | { "(bad)", XX, XX, XX }, |
| 1443 | { "psllw", MS, Ib, XX }, |
| 1444 | { "(bad)", XX, XX, XX }, |
| 1445 | }, |
| 1446 | /* GRP13 */ |
| 1447 | { |
| 1448 | { "(bad)", XX, XX, XX }, |
| 1449 | { "(bad)", XX, XX, XX }, |
| 1450 | { "psrld", MS, Ib, XX }, |
| 1451 | { "(bad)", XX, XX, XX }, |
| 1452 | { "psrad", MS, Ib, XX }, |
| 1453 | { "(bad)", XX, XX, XX }, |
| 1454 | { "pslld", MS, Ib, XX }, |
| 1455 | { "(bad)", XX, XX, XX }, |
| 1456 | }, |
| 1457 | /* GRP14 */ |
| 1458 | { |
| 1459 | { "(bad)", XX, XX, XX }, |
| 1460 | { "(bad)", XX, XX, XX }, |
| 1461 | { "psrlq", MS, Ib, XX }, |
| 1462 | { "psrldq", MS, Ib, XX }, |
| 1463 | { "(bad)", XX, XX, XX }, |
| 1464 | { "(bad)", XX, XX, XX }, |
| 1465 | { "psllq", MS, Ib, XX }, |
| 1466 | { "pslldq", MS, Ib, XX }, |
| 1467 | }, |
| 1468 | /* GRP15 */ |
| 1469 | { |
| 1470 | { "fxsave", Ev, XX, XX }, |
| 1471 | { "fxrstor", Ev, XX, XX }, |
| 1472 | { "ldmxcsr", Ev, XX, XX }, |
| 1473 | { "stmxcsr", Ev, XX, XX }, |
| 1474 | { "(bad)", XX, XX, XX }, |
| 1475 | { "lfence", OP_0fae, 0, XX, XX }, |
| 1476 | { "mfence", OP_0fae, 0, XX, XX }, |
| 1477 | { "clflush", OP_0fae, 0, XX, XX }, |
| 1478 | }, |
| 1479 | /* GRP16 */ |
| 1480 | { |
| 1481 | { "prefetchnta", Ev, XX, XX }, |
| 1482 | { "prefetcht0", Ev, XX, XX }, |
| 1483 | { "prefetcht1", Ev, XX, XX }, |
| 1484 | { "prefetcht2", Ev, XX, XX }, |
| 1485 | { "(bad)", XX, XX, XX }, |
| 1486 | { "(bad)", XX, XX, XX }, |
| 1487 | { "(bad)", XX, XX, XX }, |
| 1488 | { "(bad)", XX, XX, XX }, |
| 1489 | }, |
| 1490 | /* GRPAMD */ |
| 1491 | { |
| 1492 | { "prefetch", Eb, XX, XX }, |
| 1493 | { "prefetchw", Eb, XX, XX }, |
| 1494 | { "(bad)", XX, XX, XX }, |
| 1495 | { "(bad)", XX, XX, XX }, |
| 1496 | { "(bad)", XX, XX, XX }, |
| 1497 | { "(bad)", XX, XX, XX }, |
| 1498 | { "(bad)", XX, XX, XX }, |
| 1499 | { "(bad)", XX, XX, XX }, |
| 1500 | }, |
| 1501 | /* GRPPADLCK1 */ |
| 1502 | { |
| 1503 | { "xstore-rng", OP_0f07, 0, XX, XX }, |
| 1504 | { "xcrypt-ecb", OP_0f07, 0, XX, XX }, |
| 1505 | { "xcrypt-cbc", OP_0f07, 0, XX, XX }, |
| 1506 | { "xcrypt-ctr", OP_0f07, 0, XX, XX }, |
| 1507 | { "xcrypt-cfb", OP_0f07, 0, XX, XX }, |
| 1508 | { "xcrypt-ofb", OP_0f07, 0, XX, XX }, |
| 1509 | { "(bad)", OP_0f07, 0, XX, XX }, |
| 1510 | { "(bad)", OP_0f07, 0, XX, XX }, |
| 1511 | }, |
| 1512 | /* GRPPADLCK2 */ |
| 1513 | { |
| 1514 | { "montmul", OP_0f07, 0, XX, XX }, |
| 1515 | { "xsha1", OP_0f07, 0, XX, XX }, |
| 1516 | { "xsha256", OP_0f07, 0, XX, XX }, |
| 1517 | { "(bad)", OP_0f07, 0, XX, XX }, |
| 1518 | { "(bad)", OP_0f07, 0, XX, XX }, |
| 1519 | { "(bad)", OP_0f07, 0, XX, XX }, |
| 1520 | { "(bad)", OP_0f07, 0, XX, XX }, |
| 1521 | { "(bad)", OP_0f07, 0, XX, XX }, |
| 1522 | } |
| 1523 | }; |
| 1524 | |
| 1525 | static const struct dis386 prefix_user_table[][4] = { |
| 1526 | /* PREGRP0 */ |
| 1527 | { |
| 1528 | { "addps", XM, EX, XX }, |
| 1529 | { "addss", XM, EX, XX }, |
| 1530 | { "addpd", XM, EX, XX }, |
| 1531 | { "addsd", XM, EX, XX }, |
| 1532 | }, |
| 1533 | /* PREGRP1 */ |
| 1534 | { |
| 1535 | { "", XM, EX, OPSIMD }, /* See OP_SIMD_SUFFIX. */ |
| 1536 | { "", XM, EX, OPSIMD }, |
| 1537 | { "", XM, EX, OPSIMD }, |
| 1538 | { "", XM, EX, OPSIMD }, |
| 1539 | }, |
| 1540 | /* PREGRP2 */ |
| 1541 | { |
| 1542 | { "cvtpi2ps", XM, EM, XX }, |
| 1543 | { "cvtsi2ssY", XM, Ev, XX }, |
| 1544 | { "cvtpi2pd", XM, EM, XX }, |
| 1545 | { "cvtsi2sdY", XM, Ev, XX }, |
| 1546 | }, |
| 1547 | /* PREGRP3 */ |
| 1548 | { |
| 1549 | { "cvtps2pi", MX, EX, XX }, |
| 1550 | { "cvtss2siY", Gv, EX, XX }, |
| 1551 | { "cvtpd2pi", MX, EX, XX }, |
| 1552 | { "cvtsd2siY", Gv, EX, XX }, |
| 1553 | }, |
| 1554 | /* PREGRP4 */ |
| 1555 | { |
| 1556 | { "cvttps2pi", MX, EX, XX }, |
| 1557 | { "cvttss2siY", Gv, EX, XX }, |
| 1558 | { "cvttpd2pi", MX, EX, XX }, |
| 1559 | { "cvttsd2siY", Gv, EX, XX }, |
| 1560 | }, |
| 1561 | /* PREGRP5 */ |
| 1562 | { |
| 1563 | { "divps", XM, EX, XX }, |
| 1564 | { "divss", XM, EX, XX }, |
| 1565 | { "divpd", XM, EX, XX }, |
| 1566 | { "divsd", XM, EX, XX }, |
| 1567 | }, |
| 1568 | /* PREGRP6 */ |
| 1569 | { |
| 1570 | { "maxps", XM, EX, XX }, |
| 1571 | { "maxss", XM, EX, XX }, |
| 1572 | { "maxpd", XM, EX, XX }, |
| 1573 | { "maxsd", XM, EX, XX }, |
| 1574 | }, |
| 1575 | /* PREGRP7 */ |
| 1576 | { |
| 1577 | { "minps", XM, EX, XX }, |
| 1578 | { "minss", XM, EX, XX }, |
| 1579 | { "minpd", XM, EX, XX }, |
| 1580 | { "minsd", XM, EX, XX }, |
| 1581 | }, |
| 1582 | /* PREGRP8 */ |
| 1583 | { |
| 1584 | { "movups", XM, EX, XX }, |
| 1585 | { "movss", XM, EX, XX }, |
| 1586 | { "movupd", XM, EX, XX }, |
| 1587 | { "movsd", XM, EX, XX }, |
| 1588 | }, |
| 1589 | /* PREGRP9 */ |
| 1590 | { |
| 1591 | { "movups", EX, XM, XX }, |
| 1592 | { "movss", EX, XM, XX }, |
| 1593 | { "movupd", EX, XM, XX }, |
| 1594 | { "movsd", EX, XM, XX }, |
| 1595 | }, |
| 1596 | /* PREGRP10 */ |
| 1597 | { |
| 1598 | { "mulps", XM, EX, XX }, |
| 1599 | { "mulss", XM, EX, XX }, |
| 1600 | { "mulpd", XM, EX, XX }, |
| 1601 | { "mulsd", XM, EX, XX }, |
| 1602 | }, |
| 1603 | /* PREGRP11 */ |
| 1604 | { |
| 1605 | { "rcpps", XM, EX, XX }, |
| 1606 | { "rcpss", XM, EX, XX }, |
| 1607 | { "(bad)", XM, EX, XX }, |
| 1608 | { "(bad)", XM, EX, XX }, |
| 1609 | }, |
| 1610 | /* PREGRP12 */ |
| 1611 | { |
| 1612 | { "rsqrtps", XM, EX, XX }, |
| 1613 | { "rsqrtss", XM, EX, XX }, |
| 1614 | { "(bad)", XM, EX, XX }, |
| 1615 | { "(bad)", XM, EX, XX }, |
| 1616 | }, |
| 1617 | /* PREGRP13 */ |
| 1618 | { |
| 1619 | { "sqrtps", XM, EX, XX }, |
| 1620 | { "sqrtss", XM, EX, XX }, |
| 1621 | { "sqrtpd", XM, EX, XX }, |
| 1622 | { "sqrtsd", XM, EX, XX }, |
| 1623 | }, |
| 1624 | /* PREGRP14 */ |
| 1625 | { |
| 1626 | { "subps", XM, EX, XX }, |
| 1627 | { "subss", XM, EX, XX }, |
| 1628 | { "subpd", XM, EX, XX }, |
| 1629 | { "subsd", XM, EX, XX }, |
| 1630 | }, |
| 1631 | /* PREGRP15 */ |
| 1632 | { |
| 1633 | { "(bad)", XM, EX, XX }, |
| 1634 | { "cvtdq2pd", XM, EX, XX }, |
| 1635 | { "cvttpd2dq", XM, EX, XX }, |
| 1636 | { "cvtpd2dq", XM, EX, XX }, |
| 1637 | }, |
| 1638 | /* PREGRP16 */ |
| 1639 | { |
| 1640 | { "cvtdq2ps", XM, EX, XX }, |
| 1641 | { "cvttps2dq",XM, EX, XX }, |
| 1642 | { "cvtps2dq",XM, EX, XX }, |
| 1643 | { "(bad)", XM, EX, XX }, |
| 1644 | }, |
| 1645 | /* PREGRP17 */ |
| 1646 | { |
| 1647 | { "cvtps2pd", XM, EX, XX }, |
| 1648 | { "cvtss2sd", XM, EX, XX }, |
| 1649 | { "cvtpd2ps", XM, EX, XX }, |
| 1650 | { "cvtsd2ss", XM, EX, XX }, |
| 1651 | }, |
| 1652 | /* PREGRP18 */ |
| 1653 | { |
| 1654 | { "maskmovq", MX, MS, XX }, |
| 1655 | { "(bad)", XM, EX, XX }, |
| 1656 | { "maskmovdqu", XM, EX, XX }, |
| 1657 | { "(bad)", XM, EX, XX }, |
| 1658 | }, |
| 1659 | /* PREGRP19 */ |
| 1660 | { |
| 1661 | { "movq", MX, EM, XX }, |
| 1662 | { "movdqu", XM, EX, XX }, |
| 1663 | { "movdqa", XM, EX, XX }, |
| 1664 | { "(bad)", XM, EX, XX }, |
| 1665 | }, |
| 1666 | /* PREGRP20 */ |
| 1667 | { |
| 1668 | { "movq", EM, MX, XX }, |
| 1669 | { "movdqu", EX, XM, XX }, |
| 1670 | { "movdqa", EX, XM, XX }, |
| 1671 | { "(bad)", EX, XM, XX }, |
| 1672 | }, |
| 1673 | /* PREGRP21 */ |
| 1674 | { |
| 1675 | { "(bad)", EX, XM, XX }, |
| 1676 | { "movq2dq", XM, MS, XX }, |
| 1677 | { "movq", EX, XM, XX }, |
| 1678 | { "movdq2q", MX, XS, XX }, |
| 1679 | }, |
| 1680 | /* PREGRP22 */ |
| 1681 | { |
| 1682 | { "pshufw", MX, EM, Ib }, |
| 1683 | { "pshufhw", XM, EX, Ib }, |
| 1684 | { "pshufd", XM, EX, Ib }, |
| 1685 | { "pshuflw", XM, EX, Ib }, |
| 1686 | }, |
| 1687 | /* PREGRP23 */ |
| 1688 | { |
| 1689 | { "movd", Edq, MX, XX }, |
| 1690 | { "movq", XM, EX, XX }, |
| 1691 | { "movd", Edq, XM, XX }, |
| 1692 | { "(bad)", Ed, XM, XX }, |
| 1693 | }, |
| 1694 | /* PREGRP24 */ |
| 1695 | { |
| 1696 | { "(bad)", MX, EX, XX }, |
| 1697 | { "(bad)", XM, EX, XX }, |
| 1698 | { "punpckhqdq", XM, EX, XX }, |
| 1699 | { "(bad)", XM, EX, XX }, |
| 1700 | }, |
| 1701 | /* PREGRP25 */ |
| 1702 | { |
| 1703 | { "movntq", EM, MX, XX }, |
| 1704 | { "(bad)", EM, XM, XX }, |
| 1705 | { "movntdq", EM, XM, XX }, |
| 1706 | { "(bad)", EM, XM, XX }, |
| 1707 | }, |
| 1708 | /* PREGRP26 */ |
| 1709 | { |
| 1710 | { "(bad)", MX, EX, XX }, |
| 1711 | { "(bad)", XM, EX, XX }, |
| 1712 | { "punpcklqdq", XM, EX, XX }, |
| 1713 | { "(bad)", XM, EX, XX }, |
| 1714 | }, |
| 1715 | /* PREGRP27 */ |
| 1716 | { |
| 1717 | { "(bad)", MX, EX, XX }, |
| 1718 | { "(bad)", XM, EX, XX }, |
| 1719 | { "addsubpd", XM, EX, XX }, |
| 1720 | { "addsubps", XM, EX, XX }, |
| 1721 | }, |
| 1722 | /* PREGRP28 */ |
| 1723 | { |
| 1724 | { "(bad)", MX, EX, XX }, |
| 1725 | { "(bad)", XM, EX, XX }, |
| 1726 | { "haddpd", XM, EX, XX }, |
| 1727 | { "haddps", XM, EX, XX }, |
| 1728 | }, |
| 1729 | /* PREGRP29 */ |
| 1730 | { |
| 1731 | { "(bad)", MX, EX, XX }, |
| 1732 | { "(bad)", XM, EX, XX }, |
| 1733 | { "hsubpd", XM, EX, XX }, |
| 1734 | { "hsubps", XM, EX, XX }, |
| 1735 | }, |
| 1736 | /* PREGRP30 */ |
| 1737 | { |
| 1738 | { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */ |
| 1739 | { "movsldup", XM, EX, XX }, |
| 1740 | { "movlpd", XM, EX, XX }, |
| 1741 | { "movddup", XM, EX, XX }, |
| 1742 | }, |
| 1743 | /* PREGRP31 */ |
| 1744 | { |
| 1745 | { "movhpX", XM, EX, SIMD_Fixup, 'l' }, |
| 1746 | { "movshdup", XM, EX, XX }, |
| 1747 | { "movhpd", XM, EX, XX }, |
| 1748 | { "(bad)", XM, EX, XX }, |
| 1749 | }, |
| 1750 | /* PREGRP32 */ |
| 1751 | { |
| 1752 | { "(bad)", XM, EX, XX }, |
| 1753 | { "(bad)", XM, EX, XX }, |
| 1754 | { "(bad)", XM, EX, XX }, |
| 1755 | { "lddqu", XM, M, XX }, |
| 1756 | }, |
| 1757 | }; |
| 1758 | |
| 1759 | static const struct dis386 x86_64_table[][2] = { |
| 1760 | { |
| 1761 | { "arpl", Ew, Gw, XX }, |
| 1762 | { "movs{||lq|xd}", Gv, Ed, XX }, |
| 1763 | }, |
| 1764 | }; |
| 1765 | |
| 1766 | static const struct dis386 three_byte_table[][32] = { |
| 1767 | /* THREE_BYTE_0 */ |
| 1768 | { |
| 1769 | { "pshufb", MX, EM, XX }, |
| 1770 | { "phaddw", MX, EM, XX }, |
| 1771 | { "phaddd", MX, EM, XX }, |
| 1772 | { "phaddsw", MX, EM, XX }, |
| 1773 | { "pmaddubsw", MX, EM, XX }, |
| 1774 | { "phsubw", MX, EM, XX }, |
| 1775 | { "phsubd", MX, EM, XX }, |
| 1776 | { "phsubsw", MX, EM, XX }, |
| 1777 | { "psignb", MX, EM, XX }, |
| 1778 | { "psignw", MX, EM, XX }, |
| 1779 | { "psignd", MX, EM, XX }, |
| 1780 | { "pmulhrsw", MX, EM, XX }, |
| 1781 | { "(bad)", XX, XX, XX }, |
| 1782 | { "(bad)", XX, XX, XX }, |
| 1783 | { "(bad)", XX, XX, XX }, |
| 1784 | { "(bad)", XX, XX, XX }, |
| 1785 | { "(bad)", XX, XX, XX }, |
| 1786 | { "(bad)", XX, XX, XX }, |
| 1787 | { "(bad)", XX, XX, XX }, |
| 1788 | { "(bad)", XX, XX, XX }, |
| 1789 | { "(bad)", XX, XX, XX }, |
| 1790 | { "(bad)", XX, XX, XX }, |
| 1791 | { "(bad)", XX, XX, XX }, |
| 1792 | { "(bad)", XX, XX, XX }, |
| 1793 | { "(bad)", XX, XX, XX }, |
| 1794 | { "(bad)", XX, XX, XX }, |
| 1795 | { "(bad)", XX, XX, XX }, |
| 1796 | { "(bad)", XX, XX, XX }, |
| 1797 | { "pabsb", MX, EM, XX }, |
| 1798 | { "pabsw", MX, EM, XX }, |
| 1799 | { "pabsd", MX, EM, XX }, |
| 1800 | { "(bad)", XX, XX, XX } |
| 1801 | }, |
| 1802 | /* THREE_BYTE_1 */ |
| 1803 | { |
| 1804 | { "(bad)", XX, XX, XX }, |
| 1805 | { "(bad)", XX, XX, XX }, |
| 1806 | { "(bad)", XX, XX, XX }, |
| 1807 | { "(bad)", XX, XX, XX }, |
| 1808 | { "(bad)", XX, XX, XX }, |
| 1809 | { "(bad)", XX, XX, XX }, |
| 1810 | { "(bad)", XX, XX, XX }, |
| 1811 | { "(bad)", XX, XX, XX }, |
| 1812 | { "(bad)", XX, XX, XX }, |
| 1813 | { "(bad)", XX, XX, XX }, |
| 1814 | { "(bad)", XX, XX, XX }, |
| 1815 | { "(bad)", XX, XX, XX }, |
| 1816 | { "(bad)", XX, XX, XX }, |
| 1817 | { "(bad)", XX, XX, XX }, |
| 1818 | { "(bad)", XX, XX, XX }, |
| 1819 | { "palignr", MX, EM, Ib }, |
| 1820 | { "(bad)", XX, XX, XX }, |
| 1821 | { "(bad)", XX, XX, XX }, |
| 1822 | { "(bad)", XX, XX, XX }, |
| 1823 | { "(bad)", XX, XX, XX }, |
| 1824 | { "(bad)", XX, XX, XX }, |
| 1825 | { "(bad)", XX, XX, XX }, |
| 1826 | { "(bad)", XX, XX, XX }, |
| 1827 | { "(bad)", XX, XX, XX }, |
| 1828 | { "(bad)", XX, XX, XX }, |
| 1829 | { "(bad)", XX, XX, XX }, |
| 1830 | { "(bad)", XX, XX, XX }, |
| 1831 | { "(bad)", XX, XX, XX }, |
| 1832 | { "(bad)", XX, XX, XX }, |
| 1833 | { "(bad)", XX, XX, XX }, |
| 1834 | { "(bad)", XX, XX, XX }, |
| 1835 | { "(bad)", XX, XX, XX } |
| 1836 | }, |
| 1837 | }; |
| 1838 | |
| 1839 | #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>") |
| 1840 | |
| 1841 | static void |
| 1842 | ckprefix (void) |
| 1843 | { |
| 1844 | int newrex; |
| 1845 | rex = 0; |
| 1846 | prefixes = 0; |
| 1847 | used_prefixes = 0; |
| 1848 | rex_used = 0; |
| 1849 | while (1) |
| 1850 | { |
| 1851 | FETCH_DATA (the_info, codep + 1); |
| 1852 | newrex = 0; |
| 1853 | switch (*codep) |
| 1854 | { |
| 1855 | /* REX prefixes family. */ |
| 1856 | case 0x40: |
| 1857 | case 0x41: |
| 1858 | case 0x42: |
| 1859 | case 0x43: |
| 1860 | case 0x44: |
| 1861 | case 0x45: |
| 1862 | case 0x46: |
| 1863 | case 0x47: |
| 1864 | case 0x48: |
| 1865 | case 0x49: |
| 1866 | case 0x4a: |
| 1867 | case 0x4b: |
| 1868 | case 0x4c: |
| 1869 | case 0x4d: |
| 1870 | case 0x4e: |
| 1871 | case 0x4f: |
| 1872 | if (address_mode == mode_64bit) |
| 1873 | newrex = *codep; |
| 1874 | else |
| 1875 | return; |
| 1876 | break; |
| 1877 | case 0xf3: |
| 1878 | prefixes |= PREFIX_REPZ; |
| 1879 | break; |
| 1880 | case 0xf2: |
| 1881 | prefixes |= PREFIX_REPNZ; |
| 1882 | break; |
| 1883 | case 0xf0: |
| 1884 | prefixes |= PREFIX_LOCK; |
| 1885 | break; |
| 1886 | case 0x2e: |
| 1887 | prefixes |= PREFIX_CS; |
| 1888 | break; |
| 1889 | case 0x36: |
| 1890 | prefixes |= PREFIX_SS; |
| 1891 | break; |
| 1892 | case 0x3e: |
| 1893 | prefixes |= PREFIX_DS; |
| 1894 | break; |
| 1895 | case 0x26: |
| 1896 | prefixes |= PREFIX_ES; |
| 1897 | break; |
| 1898 | case 0x64: |
| 1899 | prefixes |= PREFIX_FS; |
| 1900 | break; |
| 1901 | case 0x65: |
| 1902 | prefixes |= PREFIX_GS; |
| 1903 | break; |
| 1904 | case 0x66: |
| 1905 | prefixes |= PREFIX_DATA; |
| 1906 | break; |
| 1907 | case 0x67: |
| 1908 | prefixes |= PREFIX_ADDR; |
| 1909 | break; |
| 1910 | case FWAIT_OPCODE: |
| 1911 | /* fwait is really an instruction. If there are prefixes |
| 1912 | before the fwait, they belong to the fwait, *not* to the |
| 1913 | following instruction. */ |
| 1914 | if (prefixes || rex) |
| 1915 | { |
| 1916 | prefixes |= PREFIX_FWAIT; |
| 1917 | codep++; |
| 1918 | return; |
| 1919 | } |
| 1920 | prefixes = PREFIX_FWAIT; |
| 1921 | break; |
| 1922 | default: |
| 1923 | return; |
| 1924 | } |
| 1925 | /* Rex is ignored when followed by another prefix. */ |
| 1926 | if (rex) |
| 1927 | { |
| 1928 | rex_used = rex; |
| 1929 | return; |
| 1930 | } |
| 1931 | rex = newrex; |
| 1932 | codep++; |
| 1933 | } |
| 1934 | } |
| 1935 | |
| 1936 | /* Return the name of the prefix byte PREF, or NULL if PREF is not a |
| 1937 | prefix byte. */ |
| 1938 | |
| 1939 | static const char * |
| 1940 | prefix_name (int pref, int sizeflag) |
| 1941 | { |
| 1942 | switch (pref) |
| 1943 | { |
| 1944 | /* REX prefixes family. */ |
| 1945 | case 0x40: |
| 1946 | return "rex"; |
| 1947 | case 0x41: |
| 1948 | return "rexZ"; |
| 1949 | case 0x42: |
| 1950 | return "rexY"; |
| 1951 | case 0x43: |
| 1952 | return "rexYZ"; |
| 1953 | case 0x44: |
| 1954 | return "rexX"; |
| 1955 | case 0x45: |
| 1956 | return "rexXZ"; |
| 1957 | case 0x46: |
| 1958 | return "rexXY"; |
| 1959 | case 0x47: |
| 1960 | return "rexXYZ"; |
| 1961 | case 0x48: |
| 1962 | return "rex64"; |
| 1963 | case 0x49: |
| 1964 | return "rex64Z"; |
| 1965 | case 0x4a: |
| 1966 | return "rex64Y"; |
| 1967 | case 0x4b: |
| 1968 | return "rex64YZ"; |
| 1969 | case 0x4c: |
| 1970 | return "rex64X"; |
| 1971 | case 0x4d: |
| 1972 | return "rex64XZ"; |
| 1973 | case 0x4e: |
| 1974 | return "rex64XY"; |
| 1975 | case 0x4f: |
| 1976 | return "rex64XYZ"; |
| 1977 | case 0xf3: |
| 1978 | return "repz"; |
| 1979 | case 0xf2: |
| 1980 | return "repnz"; |
| 1981 | case 0xf0: |
| 1982 | return "lock"; |
| 1983 | case 0x2e: |
| 1984 | return "cs"; |
| 1985 | case 0x36: |
| 1986 | return "ss"; |
| 1987 | case 0x3e: |
| 1988 | return "ds"; |
| 1989 | case 0x26: |
| 1990 | return "es"; |
| 1991 | case 0x64: |
| 1992 | return "fs"; |
| 1993 | case 0x65: |
| 1994 | return "gs"; |
| 1995 | case 0x66: |
| 1996 | return (sizeflag & DFLAG) ? "data16" : "data32"; |
| 1997 | case 0x67: |
| 1998 | if (address_mode == mode_64bit) |
| 1999 | return (sizeflag & AFLAG) ? "addr32" : "addr64"; |
| 2000 | else |
| 2001 | return (sizeflag & AFLAG) ? "addr16" : "addr32"; |
| 2002 | case FWAIT_OPCODE: |
| 2003 | return "fwait"; |
| 2004 | default: |
| 2005 | return NULL; |
| 2006 | } |
| 2007 | } |
| 2008 | |
| 2009 | static char op1out[100], op2out[100], op3out[100]; |
| 2010 | static int op_ad, op_index[3]; |
| 2011 | static int two_source_ops; |
| 2012 | static bfd_vma op_address[3]; |
| 2013 | static bfd_vma op_riprel[3]; |
| 2014 | static bfd_vma start_pc; |
| 2015 | \f |
| 2016 | /* |
| 2017 | * On the 386's of 1988, the maximum length of an instruction is 15 bytes. |
| 2018 | * (see topic "Redundant prefixes" in the "Differences from 8086" |
| 2019 | * section of the "Virtual 8086 Mode" chapter.) |
| 2020 | * 'pc' should be the address of this instruction, it will |
| 2021 | * be used to print the target address if this is a relative jump or call |
| 2022 | * The function returns the length of this instruction in bytes. |
| 2023 | */ |
| 2024 | |
| 2025 | static char intel_syntax; |
| 2026 | static char open_char; |
| 2027 | static char close_char; |
| 2028 | static char separator_char; |
| 2029 | static char scale_char; |
| 2030 | |
| 2031 | /* Here for backwards compatibility. When gdb stops using |
| 2032 | print_insn_i386_att and print_insn_i386_intel these functions can |
| 2033 | disappear, and print_insn_i386 be merged into print_insn. */ |
| 2034 | int |
| 2035 | print_insn_i386_att (bfd_vma pc, disassemble_info *info) |
| 2036 | { |
| 2037 | intel_syntax = 0; |
| 2038 | |
| 2039 | return print_insn (pc, info); |
| 2040 | } |
| 2041 | |
| 2042 | int |
| 2043 | print_insn_i386_intel (bfd_vma pc, disassemble_info *info) |
| 2044 | { |
| 2045 | intel_syntax = 1; |
| 2046 | |
| 2047 | return print_insn (pc, info); |
| 2048 | } |
| 2049 | |
| 2050 | int |
| 2051 | print_insn_i386 (bfd_vma pc, disassemble_info *info) |
| 2052 | { |
| 2053 | intel_syntax = -1; |
| 2054 | |
| 2055 | return print_insn (pc, info); |
| 2056 | } |
| 2057 | |
| 2058 | static int |
| 2059 | print_insn (bfd_vma pc, disassemble_info *info) |
| 2060 | { |
| 2061 | const struct dis386 *dp; |
| 2062 | int i; |
| 2063 | char *first, *second, *third; |
| 2064 | int needcomma; |
| 2065 | unsigned char uses_SSE_prefix, uses_LOCK_prefix; |
| 2066 | int sizeflag; |
| 2067 | const char *p; |
| 2068 | struct dis_private priv; |
| 2069 | |
| 2070 | if (info->mach == bfd_mach_x86_64_intel_syntax |
| 2071 | || info->mach == bfd_mach_x86_64) |
| 2072 | address_mode = mode_64bit; |
| 2073 | else |
| 2074 | address_mode = mode_32bit; |
| 2075 | |
| 2076 | if (intel_syntax == (char) -1) |
| 2077 | intel_syntax = (info->mach == bfd_mach_i386_i386_intel_syntax |
| 2078 | || info->mach == bfd_mach_x86_64_intel_syntax); |
| 2079 | |
| 2080 | if (info->mach == bfd_mach_i386_i386 |
| 2081 | || info->mach == bfd_mach_x86_64 |
| 2082 | || info->mach == bfd_mach_i386_i386_intel_syntax |
| 2083 | || info->mach == bfd_mach_x86_64_intel_syntax) |
| 2084 | priv.orig_sizeflag = AFLAG | DFLAG; |
| 2085 | else if (info->mach == bfd_mach_i386_i8086) |
| 2086 | priv.orig_sizeflag = 0; |
| 2087 | else |
| 2088 | abort (); |
| 2089 | |
| 2090 | for (p = info->disassembler_options; p != NULL; ) |
| 2091 | { |
| 2092 | if (strncmp (p, "x86-64", 6) == 0) |
| 2093 | { |
| 2094 | address_mode = mode_64bit; |
| 2095 | priv.orig_sizeflag = AFLAG | DFLAG; |
| 2096 | } |
| 2097 | else if (strncmp (p, "i386", 4) == 0) |
| 2098 | { |
| 2099 | address_mode = mode_32bit; |
| 2100 | priv.orig_sizeflag = AFLAG | DFLAG; |
| 2101 | } |
| 2102 | else if (strncmp (p, "i8086", 5) == 0) |
| 2103 | { |
| 2104 | address_mode = mode_16bit; |
| 2105 | priv.orig_sizeflag = 0; |
| 2106 | } |
| 2107 | else if (strncmp (p, "intel", 5) == 0) |
| 2108 | { |
| 2109 | intel_syntax = 1; |
| 2110 | } |
| 2111 | else if (strncmp (p, "att", 3) == 0) |
| 2112 | { |
| 2113 | intel_syntax = 0; |
| 2114 | } |
| 2115 | else if (strncmp (p, "addr", 4) == 0) |
| 2116 | { |
| 2117 | if (p[4] == '1' && p[5] == '6') |
| 2118 | priv.orig_sizeflag &= ~AFLAG; |
| 2119 | else if (p[4] == '3' && p[5] == '2') |
| 2120 | priv.orig_sizeflag |= AFLAG; |
| 2121 | } |
| 2122 | else if (strncmp (p, "data", 4) == 0) |
| 2123 | { |
| 2124 | if (p[4] == '1' && p[5] == '6') |
| 2125 | priv.orig_sizeflag &= ~DFLAG; |
| 2126 | else if (p[4] == '3' && p[5] == '2') |
| 2127 | priv.orig_sizeflag |= DFLAG; |
| 2128 | } |
| 2129 | else if (strncmp (p, "suffix", 6) == 0) |
| 2130 | priv.orig_sizeflag |= SUFFIX_ALWAYS; |
| 2131 | |
| 2132 | p = strchr (p, ','); |
| 2133 | if (p != NULL) |
| 2134 | p++; |
| 2135 | } |
| 2136 | |
| 2137 | if (intel_syntax) |
| 2138 | { |
| 2139 | names64 = intel_names64; |
| 2140 | names32 = intel_names32; |
| 2141 | names16 = intel_names16; |
| 2142 | names8 = intel_names8; |
| 2143 | names8rex = intel_names8rex; |
| 2144 | names_seg = intel_names_seg; |
| 2145 | index16 = intel_index16; |
| 2146 | open_char = '['; |
| 2147 | close_char = ']'; |
| 2148 | separator_char = '+'; |
| 2149 | scale_char = '*'; |
| 2150 | } |
| 2151 | else |
| 2152 | { |
| 2153 | names64 = att_names64; |
| 2154 | names32 = att_names32; |
| 2155 | names16 = att_names16; |
| 2156 | names8 = att_names8; |
| 2157 | names8rex = att_names8rex; |
| 2158 | names_seg = att_names_seg; |
| 2159 | index16 = att_index16; |
| 2160 | open_char = '('; |
| 2161 | close_char = ')'; |
| 2162 | separator_char = ','; |
| 2163 | scale_char = ','; |
| 2164 | } |
| 2165 | |
| 2166 | /* The output looks better if we put 7 bytes on a line, since that |
| 2167 | puts most long word instructions on a single line. */ |
| 2168 | info->bytes_per_line = 7; |
| 2169 | |
| 2170 | info->private_data = &priv; |
| 2171 | priv.max_fetched = priv.the_buffer; |
| 2172 | priv.insn_start = pc; |
| 2173 | |
| 2174 | obuf[0] = 0; |
| 2175 | op1out[0] = 0; |
| 2176 | op2out[0] = 0; |
| 2177 | op3out[0] = 0; |
| 2178 | |
| 2179 | op_index[0] = op_index[1] = op_index[2] = -1; |
| 2180 | |
| 2181 | the_info = info; |
| 2182 | start_pc = pc; |
| 2183 | start_codep = priv.the_buffer; |
| 2184 | codep = priv.the_buffer; |
| 2185 | |
| 2186 | if (setjmp (priv.bailout) != 0) |
| 2187 | { |
| 2188 | const char *name; |
| 2189 | |
| 2190 | /* Getting here means we tried for data but didn't get it. That |
| 2191 | means we have an incomplete instruction of some sort. Just |
| 2192 | print the first byte as a prefix or a .byte pseudo-op. */ |
| 2193 | if (codep > priv.the_buffer) |
| 2194 | { |
| 2195 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); |
| 2196 | if (name != NULL) |
| 2197 | (*info->fprintf_func) (info->stream, "%s", name); |
| 2198 | else |
| 2199 | { |
| 2200 | /* Just print the first byte as a .byte instruction. */ |
| 2201 | (*info->fprintf_func) (info->stream, ".byte 0x%x", |
| 2202 | (unsigned int) priv.the_buffer[0]); |
| 2203 | } |
| 2204 | |
| 2205 | return 1; |
| 2206 | } |
| 2207 | |
| 2208 | return -1; |
| 2209 | } |
| 2210 | |
| 2211 | obufp = obuf; |
| 2212 | ckprefix (); |
| 2213 | |
| 2214 | insn_codep = codep; |
| 2215 | sizeflag = priv.orig_sizeflag; |
| 2216 | |
| 2217 | FETCH_DATA (info, codep + 1); |
| 2218 | two_source_ops = (*codep == 0x62) || (*codep == 0xc8); |
| 2219 | |
| 2220 | if (((prefixes & PREFIX_FWAIT) |
| 2221 | && ((*codep < 0xd8) || (*codep > 0xdf))) |
| 2222 | || (rex && rex_used)) |
| 2223 | { |
| 2224 | const char *name; |
| 2225 | |
| 2226 | /* fwait not followed by floating point instruction, or rex followed |
| 2227 | by other prefixes. Print the first prefix. */ |
| 2228 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); |
| 2229 | if (name == NULL) |
| 2230 | name = INTERNAL_DISASSEMBLER_ERROR; |
| 2231 | (*info->fprintf_func) (info->stream, "%s", name); |
| 2232 | return 1; |
| 2233 | } |
| 2234 | |
| 2235 | if (*codep == 0x0f) |
| 2236 | { |
| 2237 | FETCH_DATA (info, codep + 2); |
| 2238 | dp = &dis386_twobyte[*++codep]; |
| 2239 | need_modrm = twobyte_has_modrm[*codep]; |
| 2240 | uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep]; |
| 2241 | uses_LOCK_prefix = (*codep & ~0x02) == 0x20; |
| 2242 | } |
| 2243 | else |
| 2244 | { |
| 2245 | dp = &dis386[*codep]; |
| 2246 | need_modrm = onebyte_has_modrm[*codep]; |
| 2247 | uses_SSE_prefix = 0; |
| 2248 | uses_LOCK_prefix = 0; |
| 2249 | } |
| 2250 | codep++; |
| 2251 | |
| 2252 | if (!uses_SSE_prefix && (prefixes & PREFIX_REPZ)) |
| 2253 | { |
| 2254 | oappend ("repz "); |
| 2255 | used_prefixes |= PREFIX_REPZ; |
| 2256 | } |
| 2257 | if (!uses_SSE_prefix && (prefixes & PREFIX_REPNZ)) |
| 2258 | { |
| 2259 | oappend ("repnz "); |
| 2260 | used_prefixes |= PREFIX_REPNZ; |
| 2261 | } |
| 2262 | if (!uses_LOCK_prefix && (prefixes & PREFIX_LOCK)) |
| 2263 | { |
| 2264 | oappend ("lock "); |
| 2265 | used_prefixes |= PREFIX_LOCK; |
| 2266 | } |
| 2267 | |
| 2268 | if (prefixes & PREFIX_ADDR) |
| 2269 | { |
| 2270 | sizeflag ^= AFLAG; |
| 2271 | if (dp->bytemode3 != loop_jcxz_mode || intel_syntax) |
| 2272 | { |
| 2273 | if ((sizeflag & AFLAG) || address_mode == mode_64bit) |
| 2274 | oappend ("addr32 "); |
| 2275 | else |
| 2276 | oappend ("addr16 "); |
| 2277 | used_prefixes |= PREFIX_ADDR; |
| 2278 | } |
| 2279 | } |
| 2280 | |
| 2281 | if (!uses_SSE_prefix && (prefixes & PREFIX_DATA)) |
| 2282 | { |
| 2283 | sizeflag ^= DFLAG; |
| 2284 | if (dp->bytemode3 == cond_jump_mode |
| 2285 | && dp->bytemode1 == v_mode |
| 2286 | && !intel_syntax) |
| 2287 | { |
| 2288 | if (sizeflag & DFLAG) |
| 2289 | oappend ("data32 "); |
| 2290 | else |
| 2291 | oappend ("data16 "); |
| 2292 | used_prefixes |= PREFIX_DATA; |
| 2293 | } |
| 2294 | } |
| 2295 | |
| 2296 | if (dp->name == NULL && dp->bytemode1 == IS_3BYTE_OPCODE) |
| 2297 | { |
| 2298 | FETCH_DATA (info, codep + 2); |
| 2299 | dp = &three_byte_table[dp->bytemode2][*codep++]; |
| 2300 | mod = (*codep >> 6) & 3; |
| 2301 | reg = (*codep >> 3) & 7; |
| 2302 | rm = *codep & 7; |
| 2303 | } |
| 2304 | else if (need_modrm) |
| 2305 | { |
| 2306 | FETCH_DATA (info, codep + 1); |
| 2307 | mod = (*codep >> 6) & 3; |
| 2308 | reg = (*codep >> 3) & 7; |
| 2309 | rm = *codep & 7; |
| 2310 | } |
| 2311 | |
| 2312 | if (dp->name == NULL && dp->bytemode1 == FLOATCODE) |
| 2313 | { |
| 2314 | dofloat (sizeflag); |
| 2315 | } |
| 2316 | else |
| 2317 | { |
| 2318 | int index; |
| 2319 | if (dp->name == NULL) |
| 2320 | { |
| 2321 | switch (dp->bytemode1) |
| 2322 | { |
| 2323 | case USE_GROUPS: |
| 2324 | dp = &grps[dp->bytemode2][reg]; |
| 2325 | break; |
| 2326 | |
| 2327 | case USE_PREFIX_USER_TABLE: |
| 2328 | index = 0; |
| 2329 | used_prefixes |= (prefixes & PREFIX_REPZ); |
| 2330 | if (prefixes & PREFIX_REPZ) |
| 2331 | index = 1; |
| 2332 | else |
| 2333 | { |
| 2334 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 2335 | if (prefixes & PREFIX_DATA) |
| 2336 | index = 2; |
| 2337 | else |
| 2338 | { |
| 2339 | used_prefixes |= (prefixes & PREFIX_REPNZ); |
| 2340 | if (prefixes & PREFIX_REPNZ) |
| 2341 | index = 3; |
| 2342 | } |
| 2343 | } |
| 2344 | dp = &prefix_user_table[dp->bytemode2][index]; |
| 2345 | break; |
| 2346 | |
| 2347 | case X86_64_SPECIAL: |
| 2348 | index = address_mode == mode_64bit ? 1 : 0; |
| 2349 | dp = &x86_64_table[dp->bytemode2][index]; |
| 2350 | break; |
| 2351 | |
| 2352 | default: |
| 2353 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 2354 | break; |
| 2355 | } |
| 2356 | } |
| 2357 | |
| 2358 | if (putop (dp->name, sizeflag) == 0) |
| 2359 | { |
| 2360 | obufp = op1out; |
| 2361 | op_ad = 2; |
| 2362 | if (dp->op1) |
| 2363 | (*dp->op1) (dp->bytemode1, sizeflag); |
| 2364 | |
| 2365 | obufp = op2out; |
| 2366 | op_ad = 1; |
| 2367 | if (dp->op2) |
| 2368 | (*dp->op2) (dp->bytemode2, sizeflag); |
| 2369 | |
| 2370 | obufp = op3out; |
| 2371 | op_ad = 0; |
| 2372 | if (dp->op3) |
| 2373 | (*dp->op3) (dp->bytemode3, sizeflag); |
| 2374 | } |
| 2375 | } |
| 2376 | |
| 2377 | /* See if any prefixes were not used. If so, print the first one |
| 2378 | separately. If we don't do this, we'll wind up printing an |
| 2379 | instruction stream which does not precisely correspond to the |
| 2380 | bytes we are disassembling. */ |
| 2381 | if ((prefixes & ~used_prefixes) != 0) |
| 2382 | { |
| 2383 | const char *name; |
| 2384 | |
| 2385 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); |
| 2386 | if (name == NULL) |
| 2387 | name = INTERNAL_DISASSEMBLER_ERROR; |
| 2388 | (*info->fprintf_func) (info->stream, "%s", name); |
| 2389 | return 1; |
| 2390 | } |
| 2391 | if (rex & ~rex_used) |
| 2392 | { |
| 2393 | const char *name; |
| 2394 | name = prefix_name (rex | 0x40, priv.orig_sizeflag); |
| 2395 | if (name == NULL) |
| 2396 | name = INTERNAL_DISASSEMBLER_ERROR; |
| 2397 | (*info->fprintf_func) (info->stream, "%s ", name); |
| 2398 | } |
| 2399 | |
| 2400 | obufp = obuf + strlen (obuf); |
| 2401 | for (i = strlen (obuf); i < 6; i++) |
| 2402 | oappend (" "); |
| 2403 | oappend (" "); |
| 2404 | (*info->fprintf_func) (info->stream, "%s", obuf); |
| 2405 | |
| 2406 | /* The enter and bound instructions are printed with operands in the same |
| 2407 | order as the intel book; everything else is printed in reverse order. */ |
| 2408 | if (intel_syntax || two_source_ops) |
| 2409 | { |
| 2410 | first = op1out; |
| 2411 | second = op2out; |
| 2412 | third = op3out; |
| 2413 | op_ad = op_index[0]; |
| 2414 | op_index[0] = op_index[2]; |
| 2415 | op_index[2] = op_ad; |
| 2416 | } |
| 2417 | else |
| 2418 | { |
| 2419 | first = op3out; |
| 2420 | second = op2out; |
| 2421 | third = op1out; |
| 2422 | } |
| 2423 | needcomma = 0; |
| 2424 | if (*first) |
| 2425 | { |
| 2426 | if (op_index[0] != -1 && !op_riprel[0]) |
| 2427 | (*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info); |
| 2428 | else |
| 2429 | (*info->fprintf_func) (info->stream, "%s", first); |
| 2430 | needcomma = 1; |
| 2431 | } |
| 2432 | if (*second) |
| 2433 | { |
| 2434 | if (needcomma) |
| 2435 | (*info->fprintf_func) (info->stream, ","); |
| 2436 | if (op_index[1] != -1 && !op_riprel[1]) |
| 2437 | (*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info); |
| 2438 | else |
| 2439 | (*info->fprintf_func) (info->stream, "%s", second); |
| 2440 | needcomma = 1; |
| 2441 | } |
| 2442 | if (*third) |
| 2443 | { |
| 2444 | if (needcomma) |
| 2445 | (*info->fprintf_func) (info->stream, ","); |
| 2446 | if (op_index[2] != -1 && !op_riprel[2]) |
| 2447 | (*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info); |
| 2448 | else |
| 2449 | (*info->fprintf_func) (info->stream, "%s", third); |
| 2450 | } |
| 2451 | for (i = 0; i < 3; i++) |
| 2452 | if (op_index[i] != -1 && op_riprel[i]) |
| 2453 | { |
| 2454 | (*info->fprintf_func) (info->stream, " # "); |
| 2455 | (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep |
| 2456 | + op_address[op_index[i]]), info); |
| 2457 | } |
| 2458 | return codep - priv.the_buffer; |
| 2459 | } |
| 2460 | |
| 2461 | static const char *float_mem[] = { |
| 2462 | /* d8 */ |
| 2463 | "fadd{s||s|}", |
| 2464 | "fmul{s||s|}", |
| 2465 | "fcom{s||s|}", |
| 2466 | "fcomp{s||s|}", |
| 2467 | "fsub{s||s|}", |
| 2468 | "fsubr{s||s|}", |
| 2469 | "fdiv{s||s|}", |
| 2470 | "fdivr{s||s|}", |
| 2471 | /* d9 */ |
| 2472 | "fld{s||s|}", |
| 2473 | "(bad)", |
| 2474 | "fst{s||s|}", |
| 2475 | "fstp{s||s|}", |
| 2476 | "fldenvIC", |
| 2477 | "fldcw", |
| 2478 | "fNstenvIC", |
| 2479 | "fNstcw", |
| 2480 | /* da */ |
| 2481 | "fiadd{l||l|}", |
| 2482 | "fimul{l||l|}", |
| 2483 | "ficom{l||l|}", |
| 2484 | "ficomp{l||l|}", |
| 2485 | "fisub{l||l|}", |
| 2486 | "fisubr{l||l|}", |
| 2487 | "fidiv{l||l|}", |
| 2488 | "fidivr{l||l|}", |
| 2489 | /* db */ |
| 2490 | "fild{l||l|}", |
| 2491 | "fisttp{l||l|}", |
| 2492 | "fist{l||l|}", |
| 2493 | "fistp{l||l|}", |
| 2494 | "(bad)", |
| 2495 | "fld{t||t|}", |
| 2496 | "(bad)", |
| 2497 | "fstp{t||t|}", |
| 2498 | /* dc */ |
| 2499 | "fadd{l||l|}", |
| 2500 | "fmul{l||l|}", |
| 2501 | "fcom{l||l|}", |
| 2502 | "fcomp{l||l|}", |
| 2503 | "fsub{l||l|}", |
| 2504 | "fsubr{l||l|}", |
| 2505 | "fdiv{l||l|}", |
| 2506 | "fdivr{l||l|}", |
| 2507 | /* dd */ |
| 2508 | "fld{l||l|}", |
| 2509 | "fisttp{ll||ll|}", |
| 2510 | "fst{l||l|}", |
| 2511 | "fstp{l||l|}", |
| 2512 | "frstorIC", |
| 2513 | "(bad)", |
| 2514 | "fNsaveIC", |
| 2515 | "fNstsw", |
| 2516 | /* de */ |
| 2517 | "fiadd", |
| 2518 | "fimul", |
| 2519 | "ficom", |
| 2520 | "ficomp", |
| 2521 | "fisub", |
| 2522 | "fisubr", |
| 2523 | "fidiv", |
| 2524 | "fidivr", |
| 2525 | /* df */ |
| 2526 | "fild", |
| 2527 | "fisttp", |
| 2528 | "fist", |
| 2529 | "fistp", |
| 2530 | "fbld", |
| 2531 | "fild{ll||ll|}", |
| 2532 | "fbstp", |
| 2533 | "fistp{ll||ll|}", |
| 2534 | }; |
| 2535 | |
| 2536 | static const unsigned char float_mem_mode[] = { |
| 2537 | /* d8 */ |
| 2538 | d_mode, |
| 2539 | d_mode, |
| 2540 | d_mode, |
| 2541 | d_mode, |
| 2542 | d_mode, |
| 2543 | d_mode, |
| 2544 | d_mode, |
| 2545 | d_mode, |
| 2546 | /* d9 */ |
| 2547 | d_mode, |
| 2548 | 0, |
| 2549 | d_mode, |
| 2550 | d_mode, |
| 2551 | 0, |
| 2552 | w_mode, |
| 2553 | 0, |
| 2554 | w_mode, |
| 2555 | /* da */ |
| 2556 | d_mode, |
| 2557 | d_mode, |
| 2558 | d_mode, |
| 2559 | d_mode, |
| 2560 | d_mode, |
| 2561 | d_mode, |
| 2562 | d_mode, |
| 2563 | d_mode, |
| 2564 | /* db */ |
| 2565 | d_mode, |
| 2566 | d_mode, |
| 2567 | d_mode, |
| 2568 | d_mode, |
| 2569 | 0, |
| 2570 | t_mode, |
| 2571 | 0, |
| 2572 | t_mode, |
| 2573 | /* dc */ |
| 2574 | q_mode, |
| 2575 | q_mode, |
| 2576 | q_mode, |
| 2577 | q_mode, |
| 2578 | q_mode, |
| 2579 | q_mode, |
| 2580 | q_mode, |
| 2581 | q_mode, |
| 2582 | /* dd */ |
| 2583 | q_mode, |
| 2584 | q_mode, |
| 2585 | q_mode, |
| 2586 | q_mode, |
| 2587 | 0, |
| 2588 | 0, |
| 2589 | 0, |
| 2590 | w_mode, |
| 2591 | /* de */ |
| 2592 | w_mode, |
| 2593 | w_mode, |
| 2594 | w_mode, |
| 2595 | w_mode, |
| 2596 | w_mode, |
| 2597 | w_mode, |
| 2598 | w_mode, |
| 2599 | w_mode, |
| 2600 | /* df */ |
| 2601 | w_mode, |
| 2602 | w_mode, |
| 2603 | w_mode, |
| 2604 | w_mode, |
| 2605 | t_mode, |
| 2606 | q_mode, |
| 2607 | t_mode, |
| 2608 | q_mode |
| 2609 | }; |
| 2610 | |
| 2611 | #define ST OP_ST, 0 |
| 2612 | #define STi OP_STi, 0 |
| 2613 | |
| 2614 | #define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0 |
| 2615 | #define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0 |
| 2616 | #define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0 |
| 2617 | #define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0 |
| 2618 | #define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0 |
| 2619 | #define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0 |
| 2620 | #define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0 |
| 2621 | #define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0 |
| 2622 | #define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0 |
| 2623 | |
| 2624 | static const struct dis386 float_reg[][8] = { |
| 2625 | /* d8 */ |
| 2626 | { |
| 2627 | { "fadd", ST, STi, XX }, |
| 2628 | { "fmul", ST, STi, XX }, |
| 2629 | { "fcom", STi, XX, XX }, |
| 2630 | { "fcomp", STi, XX, XX }, |
| 2631 | { "fsub", ST, STi, XX }, |
| 2632 | { "fsubr", ST, STi, XX }, |
| 2633 | { "fdiv", ST, STi, XX }, |
| 2634 | { "fdivr", ST, STi, XX }, |
| 2635 | }, |
| 2636 | /* d9 */ |
| 2637 | { |
| 2638 | { "fld", STi, XX, XX }, |
| 2639 | { "fxch", STi, XX, XX }, |
| 2640 | { FGRPd9_2 }, |
| 2641 | { "(bad)", XX, XX, XX }, |
| 2642 | { FGRPd9_4 }, |
| 2643 | { FGRPd9_5 }, |
| 2644 | { FGRPd9_6 }, |
| 2645 | { FGRPd9_7 }, |
| 2646 | }, |
| 2647 | /* da */ |
| 2648 | { |
| 2649 | { "fcmovb", ST, STi, XX }, |
| 2650 | { "fcmove", ST, STi, XX }, |
| 2651 | { "fcmovbe",ST, STi, XX }, |
| 2652 | { "fcmovu", ST, STi, XX }, |
| 2653 | { "(bad)", XX, XX, XX }, |
| 2654 | { FGRPda_5 }, |
| 2655 | { "(bad)", XX, XX, XX }, |
| 2656 | { "(bad)", XX, XX, XX }, |
| 2657 | }, |
| 2658 | /* db */ |
| 2659 | { |
| 2660 | { "fcmovnb",ST, STi, XX }, |
| 2661 | { "fcmovne",ST, STi, XX }, |
| 2662 | { "fcmovnbe",ST, STi, XX }, |
| 2663 | { "fcmovnu",ST, STi, XX }, |
| 2664 | { FGRPdb_4 }, |
| 2665 | { "fucomi", ST, STi, XX }, |
| 2666 | { "fcomi", ST, STi, XX }, |
| 2667 | { "(bad)", XX, XX, XX }, |
| 2668 | }, |
| 2669 | /* dc */ |
| 2670 | { |
| 2671 | { "fadd", STi, ST, XX }, |
| 2672 | { "fmul", STi, ST, XX }, |
| 2673 | { "(bad)", XX, XX, XX }, |
| 2674 | { "(bad)", XX, XX, XX }, |
| 2675 | #if UNIXWARE_COMPAT |
| 2676 | { "fsub", STi, ST, XX }, |
| 2677 | { "fsubr", STi, ST, XX }, |
| 2678 | { "fdiv", STi, ST, XX }, |
| 2679 | { "fdivr", STi, ST, XX }, |
| 2680 | #else |
| 2681 | { "fsubr", STi, ST, XX }, |
| 2682 | { "fsub", STi, ST, XX }, |
| 2683 | { "fdivr", STi, ST, XX }, |
| 2684 | { "fdiv", STi, ST, XX }, |
| 2685 | #endif |
| 2686 | }, |
| 2687 | /* dd */ |
| 2688 | { |
| 2689 | { "ffree", STi, XX, XX }, |
| 2690 | { "(bad)", XX, XX, XX }, |
| 2691 | { "fst", STi, XX, XX }, |
| 2692 | { "fstp", STi, XX, XX }, |
| 2693 | { "fucom", STi, XX, XX }, |
| 2694 | { "fucomp", STi, XX, XX }, |
| 2695 | { "(bad)", XX, XX, XX }, |
| 2696 | { "(bad)", XX, XX, XX }, |
| 2697 | }, |
| 2698 | /* de */ |
| 2699 | { |
| 2700 | { "faddp", STi, ST, XX }, |
| 2701 | { "fmulp", STi, ST, XX }, |
| 2702 | { "(bad)", XX, XX, XX }, |
| 2703 | { FGRPde_3 }, |
| 2704 | #if UNIXWARE_COMPAT |
| 2705 | { "fsubp", STi, ST, XX }, |
| 2706 | { "fsubrp", STi, ST, XX }, |
| 2707 | { "fdivp", STi, ST, XX }, |
| 2708 | { "fdivrp", STi, ST, XX }, |
| 2709 | #else |
| 2710 | { "fsubrp", STi, ST, XX }, |
| 2711 | { "fsubp", STi, ST, XX }, |
| 2712 | { "fdivrp", STi, ST, XX }, |
| 2713 | { "fdivp", STi, ST, XX }, |
| 2714 | #endif |
| 2715 | }, |
| 2716 | /* df */ |
| 2717 | { |
| 2718 | { "ffreep", STi, XX, XX }, |
| 2719 | { "(bad)", XX, XX, XX }, |
| 2720 | { "(bad)", XX, XX, XX }, |
| 2721 | { "(bad)", XX, XX, XX }, |
| 2722 | { FGRPdf_4 }, |
| 2723 | { "fucomip",ST, STi, XX }, |
| 2724 | { "fcomip", ST, STi, XX }, |
| 2725 | { "(bad)", XX, XX, XX }, |
| 2726 | }, |
| 2727 | }; |
| 2728 | |
| 2729 | static char *fgrps[][8] = { |
| 2730 | /* d9_2 0 */ |
| 2731 | { |
| 2732 | "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", |
| 2733 | }, |
| 2734 | |
| 2735 | /* d9_4 1 */ |
| 2736 | { |
| 2737 | "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)", |
| 2738 | }, |
| 2739 | |
| 2740 | /* d9_5 2 */ |
| 2741 | { |
| 2742 | "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)", |
| 2743 | }, |
| 2744 | |
| 2745 | /* d9_6 3 */ |
| 2746 | { |
| 2747 | "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp", |
| 2748 | }, |
| 2749 | |
| 2750 | /* d9_7 4 */ |
| 2751 | { |
| 2752 | "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos", |
| 2753 | }, |
| 2754 | |
| 2755 | /* da_5 5 */ |
| 2756 | { |
| 2757 | "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", |
| 2758 | }, |
| 2759 | |
| 2760 | /* db_4 6 */ |
| 2761 | { |
| 2762 | "feni(287 only)","fdisi(287 only)","fNclex","fNinit", |
| 2763 | "fNsetpm(287 only)","(bad)","(bad)","(bad)", |
| 2764 | }, |
| 2765 | |
| 2766 | /* de_3 7 */ |
| 2767 | { |
| 2768 | "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", |
| 2769 | }, |
| 2770 | |
| 2771 | /* df_4 8 */ |
| 2772 | { |
| 2773 | "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", |
| 2774 | }, |
| 2775 | }; |
| 2776 | |
| 2777 | static void |
| 2778 | dofloat (int sizeflag) |
| 2779 | { |
| 2780 | const struct dis386 *dp; |
| 2781 | unsigned char floatop; |
| 2782 | |
| 2783 | floatop = codep[-1]; |
| 2784 | |
| 2785 | if (mod != 3) |
| 2786 | { |
| 2787 | int fp_indx = (floatop - 0xd8) * 8 + reg; |
| 2788 | |
| 2789 | putop (float_mem[fp_indx], sizeflag); |
| 2790 | obufp = op1out; |
| 2791 | op_ad = 2; |
| 2792 | OP_E (float_mem_mode[fp_indx], sizeflag); |
| 2793 | return; |
| 2794 | } |
| 2795 | /* Skip mod/rm byte. */ |
| 2796 | MODRM_CHECK; |
| 2797 | codep++; |
| 2798 | |
| 2799 | dp = &float_reg[floatop - 0xd8][reg]; |
| 2800 | if (dp->name == NULL) |
| 2801 | { |
| 2802 | putop (fgrps[dp->bytemode1][rm], sizeflag); |
| 2803 | |
| 2804 | /* Instruction fnstsw is only one with strange arg. */ |
| 2805 | if (floatop == 0xdf && codep[-1] == 0xe0) |
| 2806 | strcpy (op1out, names16[0]); |
| 2807 | } |
| 2808 | else |
| 2809 | { |
| 2810 | putop (dp->name, sizeflag); |
| 2811 | |
| 2812 | obufp = op1out; |
| 2813 | op_ad = 2; |
| 2814 | if (dp->op1) |
| 2815 | (*dp->op1) (dp->bytemode1, sizeflag); |
| 2816 | |
| 2817 | obufp = op2out; |
| 2818 | op_ad = 1; |
| 2819 | if (dp->op2) |
| 2820 | (*dp->op2) (dp->bytemode2, sizeflag); |
| 2821 | } |
| 2822 | } |
| 2823 | |
| 2824 | static void |
| 2825 | OP_ST (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 2826 | { |
| 2827 | oappend ("%st" + intel_syntax); |
| 2828 | } |
| 2829 | |
| 2830 | static void |
| 2831 | OP_STi (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 2832 | { |
| 2833 | sprintf (scratchbuf, "%%st(%d)", rm); |
| 2834 | oappend (scratchbuf + intel_syntax); |
| 2835 | } |
| 2836 | |
| 2837 | /* Capital letters in template are macros. */ |
| 2838 | static int |
| 2839 | putop (const char *template, int sizeflag) |
| 2840 | { |
| 2841 | const char *p; |
| 2842 | int alt = 0; |
| 2843 | |
| 2844 | for (p = template; *p; p++) |
| 2845 | { |
| 2846 | switch (*p) |
| 2847 | { |
| 2848 | default: |
| 2849 | *obufp++ = *p; |
| 2850 | break; |
| 2851 | case '{': |
| 2852 | alt = 0; |
| 2853 | if (intel_syntax) |
| 2854 | alt += 1; |
| 2855 | if (address_mode == mode_64bit) |
| 2856 | alt += 2; |
| 2857 | while (alt != 0) |
| 2858 | { |
| 2859 | while (*++p != '|') |
| 2860 | { |
| 2861 | if (*p == '}') |
| 2862 | { |
| 2863 | /* Alternative not valid. */ |
| 2864 | strcpy (obuf, "(bad)"); |
| 2865 | obufp = obuf + 5; |
| 2866 | return 1; |
| 2867 | } |
| 2868 | else if (*p == '\0') |
| 2869 | abort (); |
| 2870 | } |
| 2871 | alt--; |
| 2872 | } |
| 2873 | /* Fall through. */ |
| 2874 | case 'I': |
| 2875 | alt = 1; |
| 2876 | continue; |
| 2877 | case '|': |
| 2878 | while (*++p != '}') |
| 2879 | { |
| 2880 | if (*p == '\0') |
| 2881 | abort (); |
| 2882 | } |
| 2883 | break; |
| 2884 | case '}': |
| 2885 | break; |
| 2886 | case 'A': |
| 2887 | if (intel_syntax) |
| 2888 | break; |
| 2889 | if (mod != 3 || (sizeflag & SUFFIX_ALWAYS)) |
| 2890 | *obufp++ = 'b'; |
| 2891 | break; |
| 2892 | case 'B': |
| 2893 | if (intel_syntax) |
| 2894 | break; |
| 2895 | if (sizeflag & SUFFIX_ALWAYS) |
| 2896 | *obufp++ = 'b'; |
| 2897 | break; |
| 2898 | case 'C': |
| 2899 | if (intel_syntax && !alt) |
| 2900 | break; |
| 2901 | if ((prefixes & PREFIX_DATA) || (sizeflag & SUFFIX_ALWAYS)) |
| 2902 | { |
| 2903 | if (sizeflag & DFLAG) |
| 2904 | *obufp++ = intel_syntax ? 'd' : 'l'; |
| 2905 | else |
| 2906 | *obufp++ = intel_syntax ? 'w' : 's'; |
| 2907 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 2908 | } |
| 2909 | break; |
| 2910 | case 'E': /* For jcxz/jecxz */ |
| 2911 | if (address_mode == mode_64bit) |
| 2912 | { |
| 2913 | if (sizeflag & AFLAG) |
| 2914 | *obufp++ = 'r'; |
| 2915 | else |
| 2916 | *obufp++ = 'e'; |
| 2917 | } |
| 2918 | else |
| 2919 | if (sizeflag & AFLAG) |
| 2920 | *obufp++ = 'e'; |
| 2921 | used_prefixes |= (prefixes & PREFIX_ADDR); |
| 2922 | break; |
| 2923 | case 'F': |
| 2924 | if (intel_syntax) |
| 2925 | break; |
| 2926 | if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS)) |
| 2927 | { |
| 2928 | if (sizeflag & AFLAG) |
| 2929 | *obufp++ = address_mode == mode_64bit ? 'q' : 'l'; |
| 2930 | else |
| 2931 | *obufp++ = address_mode == mode_64bit ? 'l' : 'w'; |
| 2932 | used_prefixes |= (prefixes & PREFIX_ADDR); |
| 2933 | } |
| 2934 | break; |
| 2935 | case 'H': |
| 2936 | if (intel_syntax) |
| 2937 | break; |
| 2938 | if ((prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_CS |
| 2939 | || (prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_DS) |
| 2940 | { |
| 2941 | used_prefixes |= prefixes & (PREFIX_CS | PREFIX_DS); |
| 2942 | *obufp++ = ','; |
| 2943 | *obufp++ = 'p'; |
| 2944 | if (prefixes & PREFIX_DS) |
| 2945 | *obufp++ = 't'; |
| 2946 | else |
| 2947 | *obufp++ = 'n'; |
| 2948 | } |
| 2949 | break; |
| 2950 | case 'J': |
| 2951 | if (intel_syntax) |
| 2952 | break; |
| 2953 | *obufp++ = 'l'; |
| 2954 | break; |
| 2955 | case 'Z': |
| 2956 | if (intel_syntax) |
| 2957 | break; |
| 2958 | if (address_mode == mode_64bit && (sizeflag & SUFFIX_ALWAYS)) |
| 2959 | { |
| 2960 | *obufp++ = 'q'; |
| 2961 | break; |
| 2962 | } |
| 2963 | /* Fall through. */ |
| 2964 | case 'L': |
| 2965 | if (intel_syntax) |
| 2966 | break; |
| 2967 | if (sizeflag & SUFFIX_ALWAYS) |
| 2968 | *obufp++ = 'l'; |
| 2969 | break; |
| 2970 | case 'N': |
| 2971 | if ((prefixes & PREFIX_FWAIT) == 0) |
| 2972 | *obufp++ = 'n'; |
| 2973 | else |
| 2974 | used_prefixes |= PREFIX_FWAIT; |
| 2975 | break; |
| 2976 | case 'O': |
| 2977 | USED_REX (REX_MODE64); |
| 2978 | if (rex & REX_MODE64) |
| 2979 | *obufp++ = 'o'; |
| 2980 | else |
| 2981 | *obufp++ = 'd'; |
| 2982 | break; |
| 2983 | case 'T': |
| 2984 | if (intel_syntax) |
| 2985 | break; |
| 2986 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) |
| 2987 | { |
| 2988 | *obufp++ = 'q'; |
| 2989 | break; |
| 2990 | } |
| 2991 | /* Fall through. */ |
| 2992 | case 'P': |
| 2993 | if (intel_syntax) |
| 2994 | break; |
| 2995 | if ((prefixes & PREFIX_DATA) |
| 2996 | || (rex & REX_MODE64) |
| 2997 | || (sizeflag & SUFFIX_ALWAYS)) |
| 2998 | { |
| 2999 | USED_REX (REX_MODE64); |
| 3000 | if (rex & REX_MODE64) |
| 3001 | *obufp++ = 'q'; |
| 3002 | else |
| 3003 | { |
| 3004 | if (sizeflag & DFLAG) |
| 3005 | *obufp++ = 'l'; |
| 3006 | else |
| 3007 | *obufp++ = 'w'; |
| 3008 | } |
| 3009 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3010 | } |
| 3011 | break; |
| 3012 | case 'U': |
| 3013 | if (intel_syntax) |
| 3014 | break; |
| 3015 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) |
| 3016 | { |
| 3017 | if (mod != 3 || (sizeflag & SUFFIX_ALWAYS)) |
| 3018 | *obufp++ = 'q'; |
| 3019 | break; |
| 3020 | } |
| 3021 | /* Fall through. */ |
| 3022 | case 'Q': |
| 3023 | if (intel_syntax && !alt) |
| 3024 | break; |
| 3025 | USED_REX (REX_MODE64); |
| 3026 | if (mod != 3 || (sizeflag & SUFFIX_ALWAYS)) |
| 3027 | { |
| 3028 | if (rex & REX_MODE64) |
| 3029 | *obufp++ = 'q'; |
| 3030 | else |
| 3031 | { |
| 3032 | if (sizeflag & DFLAG) |
| 3033 | *obufp++ = intel_syntax ? 'd' : 'l'; |
| 3034 | else |
| 3035 | *obufp++ = 'w'; |
| 3036 | } |
| 3037 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3038 | } |
| 3039 | break; |
| 3040 | case 'R': |
| 3041 | USED_REX (REX_MODE64); |
| 3042 | if (intel_syntax) |
| 3043 | { |
| 3044 | if (rex & REX_MODE64) |
| 3045 | { |
| 3046 | *obufp++ = 'q'; |
| 3047 | *obufp++ = 't'; |
| 3048 | } |
| 3049 | else if (sizeflag & DFLAG) |
| 3050 | { |
| 3051 | *obufp++ = 'd'; |
| 3052 | *obufp++ = 'q'; |
| 3053 | } |
| 3054 | else |
| 3055 | { |
| 3056 | *obufp++ = 'w'; |
| 3057 | *obufp++ = 'd'; |
| 3058 | } |
| 3059 | } |
| 3060 | else |
| 3061 | { |
| 3062 | if (rex & REX_MODE64) |
| 3063 | *obufp++ = 'q'; |
| 3064 | else if (sizeflag & DFLAG) |
| 3065 | *obufp++ = 'l'; |
| 3066 | else |
| 3067 | *obufp++ = 'w'; |
| 3068 | } |
| 3069 | if (!(rex & REX_MODE64)) |
| 3070 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3071 | break; |
| 3072 | case 'V': |
| 3073 | if (intel_syntax) |
| 3074 | break; |
| 3075 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) |
| 3076 | { |
| 3077 | if (sizeflag & SUFFIX_ALWAYS) |
| 3078 | *obufp++ = 'q'; |
| 3079 | break; |
| 3080 | } |
| 3081 | /* Fall through. */ |
| 3082 | case 'S': |
| 3083 | if (intel_syntax) |
| 3084 | break; |
| 3085 | if (sizeflag & SUFFIX_ALWAYS) |
| 3086 | { |
| 3087 | if (rex & REX_MODE64) |
| 3088 | *obufp++ = 'q'; |
| 3089 | else |
| 3090 | { |
| 3091 | if (sizeflag & DFLAG) |
| 3092 | *obufp++ = 'l'; |
| 3093 | else |
| 3094 | *obufp++ = 'w'; |
| 3095 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3096 | } |
| 3097 | } |
| 3098 | break; |
| 3099 | case 'X': |
| 3100 | if (prefixes & PREFIX_DATA) |
| 3101 | *obufp++ = 'd'; |
| 3102 | else |
| 3103 | *obufp++ = 's'; |
| 3104 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3105 | break; |
| 3106 | case 'Y': |
| 3107 | if (intel_syntax) |
| 3108 | break; |
| 3109 | if (rex & REX_MODE64) |
| 3110 | { |
| 3111 | USED_REX (REX_MODE64); |
| 3112 | *obufp++ = 'q'; |
| 3113 | } |
| 3114 | break; |
| 3115 | /* implicit operand size 'l' for i386 or 'q' for x86-64 */ |
| 3116 | case 'W': |
| 3117 | /* operand size flag for cwtl, cbtw */ |
| 3118 | USED_REX (0); |
| 3119 | if (rex) |
| 3120 | *obufp++ = 'l'; |
| 3121 | else if (sizeflag & DFLAG) |
| 3122 | *obufp++ = 'w'; |
| 3123 | else |
| 3124 | *obufp++ = 'b'; |
| 3125 | if (intel_syntax) |
| 3126 | { |
| 3127 | if (rex) |
| 3128 | { |
| 3129 | *obufp++ = 'q'; |
| 3130 | *obufp++ = 'e'; |
| 3131 | } |
| 3132 | if (sizeflag & DFLAG) |
| 3133 | { |
| 3134 | *obufp++ = 'd'; |
| 3135 | *obufp++ = 'e'; |
| 3136 | } |
| 3137 | else |
| 3138 | { |
| 3139 | *obufp++ = 'w'; |
| 3140 | } |
| 3141 | } |
| 3142 | if (!rex) |
| 3143 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3144 | break; |
| 3145 | } |
| 3146 | alt = 0; |
| 3147 | } |
| 3148 | *obufp = 0; |
| 3149 | return 0; |
| 3150 | } |
| 3151 | |
| 3152 | static void |
| 3153 | oappend (const char *s) |
| 3154 | { |
| 3155 | strcpy (obufp, s); |
| 3156 | obufp += strlen (s); |
| 3157 | } |
| 3158 | |
| 3159 | static void |
| 3160 | append_seg (void) |
| 3161 | { |
| 3162 | if (prefixes & PREFIX_CS) |
| 3163 | { |
| 3164 | used_prefixes |= PREFIX_CS; |
| 3165 | oappend ("%cs:" + intel_syntax); |
| 3166 | } |
| 3167 | if (prefixes & PREFIX_DS) |
| 3168 | { |
| 3169 | used_prefixes |= PREFIX_DS; |
| 3170 | oappend ("%ds:" + intel_syntax); |
| 3171 | } |
| 3172 | if (prefixes & PREFIX_SS) |
| 3173 | { |
| 3174 | used_prefixes |= PREFIX_SS; |
| 3175 | oappend ("%ss:" + intel_syntax); |
| 3176 | } |
| 3177 | if (prefixes & PREFIX_ES) |
| 3178 | { |
| 3179 | used_prefixes |= PREFIX_ES; |
| 3180 | oappend ("%es:" + intel_syntax); |
| 3181 | } |
| 3182 | if (prefixes & PREFIX_FS) |
| 3183 | { |
| 3184 | used_prefixes |= PREFIX_FS; |
| 3185 | oappend ("%fs:" + intel_syntax); |
| 3186 | } |
| 3187 | if (prefixes & PREFIX_GS) |
| 3188 | { |
| 3189 | used_prefixes |= PREFIX_GS; |
| 3190 | oappend ("%gs:" + intel_syntax); |
| 3191 | } |
| 3192 | } |
| 3193 | |
| 3194 | static void |
| 3195 | OP_indirE (int bytemode, int sizeflag) |
| 3196 | { |
| 3197 | if (!intel_syntax) |
| 3198 | oappend ("*"); |
| 3199 | OP_E (bytemode, sizeflag); |
| 3200 | } |
| 3201 | |
| 3202 | static void |
| 3203 | print_operand_value (char *buf, int hex, bfd_vma disp) |
| 3204 | { |
| 3205 | if (address_mode == mode_64bit) |
| 3206 | { |
| 3207 | if (hex) |
| 3208 | { |
| 3209 | char tmp[30]; |
| 3210 | int i; |
| 3211 | buf[0] = '0'; |
| 3212 | buf[1] = 'x'; |
| 3213 | sprintf_vma (tmp, disp); |
| 3214 | for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++); |
| 3215 | strcpy (buf + 2, tmp + i); |
| 3216 | } |
| 3217 | else |
| 3218 | { |
| 3219 | bfd_signed_vma v = disp; |
| 3220 | char tmp[30]; |
| 3221 | int i; |
| 3222 | if (v < 0) |
| 3223 | { |
| 3224 | *(buf++) = '-'; |
| 3225 | v = -disp; |
| 3226 | /* Check for possible overflow on 0x8000000000000000. */ |
| 3227 | if (v < 0) |
| 3228 | { |
| 3229 | strcpy (buf, "9223372036854775808"); |
| 3230 | return; |
| 3231 | } |
| 3232 | } |
| 3233 | if (!v) |
| 3234 | { |
| 3235 | strcpy (buf, "0"); |
| 3236 | return; |
| 3237 | } |
| 3238 | |
| 3239 | i = 0; |
| 3240 | tmp[29] = 0; |
| 3241 | while (v) |
| 3242 | { |
| 3243 | tmp[28 - i] = (v % 10) + '0'; |
| 3244 | v /= 10; |
| 3245 | i++; |
| 3246 | } |
| 3247 | strcpy (buf, tmp + 29 - i); |
| 3248 | } |
| 3249 | } |
| 3250 | else |
| 3251 | { |
| 3252 | if (hex) |
| 3253 | sprintf (buf, "0x%x", (unsigned int) disp); |
| 3254 | else |
| 3255 | sprintf (buf, "%d", (int) disp); |
| 3256 | } |
| 3257 | } |
| 3258 | |
| 3259 | static void |
| 3260 | intel_operand_size (int bytemode, int sizeflag) |
| 3261 | { |
| 3262 | switch (bytemode) |
| 3263 | { |
| 3264 | case b_mode: |
| 3265 | oappend ("BYTE PTR "); |
| 3266 | break; |
| 3267 | case w_mode: |
| 3268 | case dqw_mode: |
| 3269 | oappend ("WORD PTR "); |
| 3270 | break; |
| 3271 | case stack_v_mode: |
| 3272 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) |
| 3273 | { |
| 3274 | oappend ("QWORD PTR "); |
| 3275 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3276 | break; |
| 3277 | } |
| 3278 | /* FALLTHRU */ |
| 3279 | case v_mode: |
| 3280 | case dq_mode: |
| 3281 | USED_REX (REX_MODE64); |
| 3282 | if (rex & REX_MODE64) |
| 3283 | oappend ("QWORD PTR "); |
| 3284 | else if ((sizeflag & DFLAG) || bytemode == dq_mode) |
| 3285 | oappend ("DWORD PTR "); |
| 3286 | else |
| 3287 | oappend ("WORD PTR "); |
| 3288 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3289 | break; |
| 3290 | case d_mode: |
| 3291 | oappend ("DWORD PTR "); |
| 3292 | break; |
| 3293 | case q_mode: |
| 3294 | oappend ("QWORD PTR "); |
| 3295 | break; |
| 3296 | case m_mode: |
| 3297 | if (address_mode == mode_64bit) |
| 3298 | oappend ("QWORD PTR "); |
| 3299 | else |
| 3300 | oappend ("DWORD PTR "); |
| 3301 | break; |
| 3302 | case f_mode: |
| 3303 | if (sizeflag & DFLAG) |
| 3304 | oappend ("FWORD PTR "); |
| 3305 | else |
| 3306 | oappend ("DWORD PTR "); |
| 3307 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3308 | break; |
| 3309 | case t_mode: |
| 3310 | oappend ("TBYTE PTR "); |
| 3311 | break; |
| 3312 | case x_mode: |
| 3313 | oappend ("XMMWORD PTR "); |
| 3314 | break; |
| 3315 | default: |
| 3316 | break; |
| 3317 | } |
| 3318 | } |
| 3319 | |
| 3320 | static void |
| 3321 | OP_E (int bytemode, int sizeflag) |
| 3322 | { |
| 3323 | bfd_vma disp; |
| 3324 | int add = 0; |
| 3325 | int riprel = 0; |
| 3326 | USED_REX (REX_EXTZ); |
| 3327 | if (rex & REX_EXTZ) |
| 3328 | add += 8; |
| 3329 | |
| 3330 | /* Skip mod/rm byte. */ |
| 3331 | MODRM_CHECK; |
| 3332 | codep++; |
| 3333 | |
| 3334 | if (mod == 3) |
| 3335 | { |
| 3336 | switch (bytemode) |
| 3337 | { |
| 3338 | case b_mode: |
| 3339 | USED_REX (0); |
| 3340 | if (rex) |
| 3341 | oappend (names8rex[rm + add]); |
| 3342 | else |
| 3343 | oappend (names8[rm + add]); |
| 3344 | break; |
| 3345 | case w_mode: |
| 3346 | oappend (names16[rm + add]); |
| 3347 | break; |
| 3348 | case d_mode: |
| 3349 | oappend (names32[rm + add]); |
| 3350 | break; |
| 3351 | case q_mode: |
| 3352 | oappend (names64[rm + add]); |
| 3353 | break; |
| 3354 | case m_mode: |
| 3355 | if (address_mode == mode_64bit) |
| 3356 | oappend (names64[rm + add]); |
| 3357 | else |
| 3358 | oappend (names32[rm + add]); |
| 3359 | break; |
| 3360 | case stack_v_mode: |
| 3361 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) |
| 3362 | { |
| 3363 | oappend (names64[rm + add]); |
| 3364 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3365 | break; |
| 3366 | } |
| 3367 | bytemode = v_mode; |
| 3368 | /* FALLTHRU */ |
| 3369 | case v_mode: |
| 3370 | case dq_mode: |
| 3371 | case dqw_mode: |
| 3372 | USED_REX (REX_MODE64); |
| 3373 | if (rex & REX_MODE64) |
| 3374 | oappend (names64[rm + add]); |
| 3375 | else if ((sizeflag & DFLAG) || bytemode != v_mode) |
| 3376 | oappend (names32[rm + add]); |
| 3377 | else |
| 3378 | oappend (names16[rm + add]); |
| 3379 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3380 | break; |
| 3381 | case 0: |
| 3382 | break; |
| 3383 | default: |
| 3384 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 3385 | break; |
| 3386 | } |
| 3387 | return; |
| 3388 | } |
| 3389 | |
| 3390 | disp = 0; |
| 3391 | if (intel_syntax) |
| 3392 | intel_operand_size (bytemode, sizeflag); |
| 3393 | append_seg (); |
| 3394 | |
| 3395 | if ((sizeflag & AFLAG) || address_mode == mode_64bit) /* 32 bit address mode */ |
| 3396 | { |
| 3397 | int havesib; |
| 3398 | int havebase; |
| 3399 | int base; |
| 3400 | int index = 0; |
| 3401 | int scale = 0; |
| 3402 | |
| 3403 | havesib = 0; |
| 3404 | havebase = 1; |
| 3405 | base = rm; |
| 3406 | |
| 3407 | if (base == 4) |
| 3408 | { |
| 3409 | havesib = 1; |
| 3410 | FETCH_DATA (the_info, codep + 1); |
| 3411 | index = (*codep >> 3) & 7; |
| 3412 | if (address_mode == mode_64bit || index != 0x4) |
| 3413 | /* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */ |
| 3414 | scale = (*codep >> 6) & 3; |
| 3415 | base = *codep & 7; |
| 3416 | USED_REX (REX_EXTY); |
| 3417 | if (rex & REX_EXTY) |
| 3418 | index += 8; |
| 3419 | codep++; |
| 3420 | } |
| 3421 | base += add; |
| 3422 | |
| 3423 | switch (mod) |
| 3424 | { |
| 3425 | case 0: |
| 3426 | if ((base & 7) == 5) |
| 3427 | { |
| 3428 | havebase = 0; |
| 3429 | if (address_mode == mode_64bit && !havesib) |
| 3430 | riprel = 1; |
| 3431 | disp = get32s (); |
| 3432 | } |
| 3433 | break; |
| 3434 | case 1: |
| 3435 | FETCH_DATA (the_info, codep + 1); |
| 3436 | disp = *codep++; |
| 3437 | if ((disp & 0x80) != 0) |
| 3438 | disp -= 0x100; |
| 3439 | break; |
| 3440 | case 2: |
| 3441 | disp = get32s (); |
| 3442 | break; |
| 3443 | } |
| 3444 | |
| 3445 | if (!intel_syntax) |
| 3446 | if (mod != 0 || (base & 7) == 5) |
| 3447 | { |
| 3448 | print_operand_value (scratchbuf, !riprel, disp); |
| 3449 | oappend (scratchbuf); |
| 3450 | if (riprel) |
| 3451 | { |
| 3452 | set_op (disp, 1); |
| 3453 | oappend ("(%rip)"); |
| 3454 | } |
| 3455 | } |
| 3456 | |
| 3457 | if (havebase || (havesib && (index != 4 || scale != 0))) |
| 3458 | { |
| 3459 | *obufp++ = open_char; |
| 3460 | if (intel_syntax && riprel) |
| 3461 | oappend ("rip + "); |
| 3462 | *obufp = '\0'; |
| 3463 | if (havebase) |
| 3464 | oappend (address_mode == mode_64bit && (sizeflag & AFLAG) |
| 3465 | ? names64[base] : names32[base]); |
| 3466 | if (havesib) |
| 3467 | { |
| 3468 | if (index != 4) |
| 3469 | { |
| 3470 | if (!intel_syntax || havebase) |
| 3471 | { |
| 3472 | *obufp++ = separator_char; |
| 3473 | *obufp = '\0'; |
| 3474 | } |
| 3475 | oappend (address_mode == mode_64bit && (sizeflag & AFLAG) |
| 3476 | ? names64[index] : names32[index]); |
| 3477 | } |
| 3478 | if (scale != 0 || (!intel_syntax && index != 4)) |
| 3479 | { |
| 3480 | *obufp++ = scale_char; |
| 3481 | *obufp = '\0'; |
| 3482 | sprintf (scratchbuf, "%d", 1 << scale); |
| 3483 | oappend (scratchbuf); |
| 3484 | } |
| 3485 | } |
| 3486 | if (intel_syntax && disp) |
| 3487 | { |
| 3488 | if ((bfd_signed_vma) disp > 0) |
| 3489 | { |
| 3490 | *obufp++ = '+'; |
| 3491 | *obufp = '\0'; |
| 3492 | } |
| 3493 | else if (mod != 1) |
| 3494 | { |
| 3495 | *obufp++ = '-'; |
| 3496 | *obufp = '\0'; |
| 3497 | disp = - (bfd_signed_vma) disp; |
| 3498 | } |
| 3499 | |
| 3500 | print_operand_value (scratchbuf, mod != 1, disp); |
| 3501 | oappend (scratchbuf); |
| 3502 | } |
| 3503 | |
| 3504 | *obufp++ = close_char; |
| 3505 | *obufp = '\0'; |
| 3506 | } |
| 3507 | else if (intel_syntax) |
| 3508 | { |
| 3509 | if (mod != 0 || (base & 7) == 5) |
| 3510 | { |
| 3511 | if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS |
| 3512 | | PREFIX_ES | PREFIX_FS | PREFIX_GS)) |
| 3513 | ; |
| 3514 | else |
| 3515 | { |
| 3516 | oappend (names_seg[ds_reg - es_reg]); |
| 3517 | oappend (":"); |
| 3518 | } |
| 3519 | print_operand_value (scratchbuf, 1, disp); |
| 3520 | oappend (scratchbuf); |
| 3521 | } |
| 3522 | } |
| 3523 | } |
| 3524 | else |
| 3525 | { /* 16 bit address mode */ |
| 3526 | switch (mod) |
| 3527 | { |
| 3528 | case 0: |
| 3529 | if (rm == 6) |
| 3530 | { |
| 3531 | disp = get16 (); |
| 3532 | if ((disp & 0x8000) != 0) |
| 3533 | disp -= 0x10000; |
| 3534 | } |
| 3535 | break; |
| 3536 | case 1: |
| 3537 | FETCH_DATA (the_info, codep + 1); |
| 3538 | disp = *codep++; |
| 3539 | if ((disp & 0x80) != 0) |
| 3540 | disp -= 0x100; |
| 3541 | break; |
| 3542 | case 2: |
| 3543 | disp = get16 (); |
| 3544 | if ((disp & 0x8000) != 0) |
| 3545 | disp -= 0x10000; |
| 3546 | break; |
| 3547 | } |
| 3548 | |
| 3549 | if (!intel_syntax) |
| 3550 | if (mod != 0 || rm == 6) |
| 3551 | { |
| 3552 | print_operand_value (scratchbuf, 0, disp); |
| 3553 | oappend (scratchbuf); |
| 3554 | } |
| 3555 | |
| 3556 | if (mod != 0 || rm != 6) |
| 3557 | { |
| 3558 | *obufp++ = open_char; |
| 3559 | *obufp = '\0'; |
| 3560 | oappend (index16[rm]); |
| 3561 | if (intel_syntax && disp) |
| 3562 | { |
| 3563 | if ((bfd_signed_vma) disp > 0) |
| 3564 | { |
| 3565 | *obufp++ = '+'; |
| 3566 | *obufp = '\0'; |
| 3567 | } |
| 3568 | else if (mod != 1) |
| 3569 | { |
| 3570 | *obufp++ = '-'; |
| 3571 | *obufp = '\0'; |
| 3572 | disp = - (bfd_signed_vma) disp; |
| 3573 | } |
| 3574 | |
| 3575 | print_operand_value (scratchbuf, mod != 1, disp); |
| 3576 | oappend (scratchbuf); |
| 3577 | } |
| 3578 | |
| 3579 | *obufp++ = close_char; |
| 3580 | *obufp = '\0'; |
| 3581 | } |
| 3582 | else if (intel_syntax) |
| 3583 | { |
| 3584 | if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS |
| 3585 | | PREFIX_ES | PREFIX_FS | PREFIX_GS)) |
| 3586 | ; |
| 3587 | else |
| 3588 | { |
| 3589 | oappend (names_seg[ds_reg - es_reg]); |
| 3590 | oappend (":"); |
| 3591 | } |
| 3592 | print_operand_value (scratchbuf, 1, disp & 0xffff); |
| 3593 | oappend (scratchbuf); |
| 3594 | } |
| 3595 | } |
| 3596 | } |
| 3597 | |
| 3598 | static void |
| 3599 | OP_G (int bytemode, int sizeflag) |
| 3600 | { |
| 3601 | int add = 0; |
| 3602 | USED_REX (REX_EXTX); |
| 3603 | if (rex & REX_EXTX) |
| 3604 | add += 8; |
| 3605 | switch (bytemode) |
| 3606 | { |
| 3607 | case b_mode: |
| 3608 | USED_REX (0); |
| 3609 | if (rex) |
| 3610 | oappend (names8rex[reg + add]); |
| 3611 | else |
| 3612 | oappend (names8[reg + add]); |
| 3613 | break; |
| 3614 | case w_mode: |
| 3615 | oappend (names16[reg + add]); |
| 3616 | break; |
| 3617 | case d_mode: |
| 3618 | oappend (names32[reg + add]); |
| 3619 | break; |
| 3620 | case q_mode: |
| 3621 | oappend (names64[reg + add]); |
| 3622 | break; |
| 3623 | case v_mode: |
| 3624 | case dq_mode: |
| 3625 | case dqw_mode: |
| 3626 | USED_REX (REX_MODE64); |
| 3627 | if (rex & REX_MODE64) |
| 3628 | oappend (names64[reg + add]); |
| 3629 | else if ((sizeflag & DFLAG) || bytemode != v_mode) |
| 3630 | oappend (names32[reg + add]); |
| 3631 | else |
| 3632 | oappend (names16[reg + add]); |
| 3633 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3634 | break; |
| 3635 | case m_mode: |
| 3636 | if (address_mode == mode_64bit) |
| 3637 | oappend (names64[reg + add]); |
| 3638 | else |
| 3639 | oappend (names32[reg + add]); |
| 3640 | break; |
| 3641 | default: |
| 3642 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 3643 | break; |
| 3644 | } |
| 3645 | } |
| 3646 | |
| 3647 | static bfd_vma |
| 3648 | get64 (void) |
| 3649 | { |
| 3650 | bfd_vma x; |
| 3651 | #ifdef BFD64 |
| 3652 | unsigned int a; |
| 3653 | unsigned int b; |
| 3654 | |
| 3655 | FETCH_DATA (the_info, codep + 8); |
| 3656 | a = *codep++ & 0xff; |
| 3657 | a |= (*codep++ & 0xff) << 8; |
| 3658 | a |= (*codep++ & 0xff) << 16; |
| 3659 | a |= (*codep++ & 0xff) << 24; |
| 3660 | b = *codep++ & 0xff; |
| 3661 | b |= (*codep++ & 0xff) << 8; |
| 3662 | b |= (*codep++ & 0xff) << 16; |
| 3663 | b |= (*codep++ & 0xff) << 24; |
| 3664 | x = a + ((bfd_vma) b << 32); |
| 3665 | #else |
| 3666 | abort (); |
| 3667 | x = 0; |
| 3668 | #endif |
| 3669 | return x; |
| 3670 | } |
| 3671 | |
| 3672 | static bfd_signed_vma |
| 3673 | get32 (void) |
| 3674 | { |
| 3675 | bfd_signed_vma x = 0; |
| 3676 | |
| 3677 | FETCH_DATA (the_info, codep + 4); |
| 3678 | x = *codep++ & (bfd_signed_vma) 0xff; |
| 3679 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; |
| 3680 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; |
| 3681 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; |
| 3682 | return x; |
| 3683 | } |
| 3684 | |
| 3685 | static bfd_signed_vma |
| 3686 | get32s (void) |
| 3687 | { |
| 3688 | bfd_signed_vma x = 0; |
| 3689 | |
| 3690 | FETCH_DATA (the_info, codep + 4); |
| 3691 | x = *codep++ & (bfd_signed_vma) 0xff; |
| 3692 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; |
| 3693 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; |
| 3694 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; |
| 3695 | |
| 3696 | x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31); |
| 3697 | |
| 3698 | return x; |
| 3699 | } |
| 3700 | |
| 3701 | static int |
| 3702 | get16 (void) |
| 3703 | { |
| 3704 | int x = 0; |
| 3705 | |
| 3706 | FETCH_DATA (the_info, codep + 2); |
| 3707 | x = *codep++ & 0xff; |
| 3708 | x |= (*codep++ & 0xff) << 8; |
| 3709 | return x; |
| 3710 | } |
| 3711 | |
| 3712 | static void |
| 3713 | set_op (bfd_vma op, int riprel) |
| 3714 | { |
| 3715 | op_index[op_ad] = op_ad; |
| 3716 | if (address_mode == mode_64bit) |
| 3717 | { |
| 3718 | op_address[op_ad] = op; |
| 3719 | op_riprel[op_ad] = riprel; |
| 3720 | } |
| 3721 | else |
| 3722 | { |
| 3723 | /* Mask to get a 32-bit address. */ |
| 3724 | op_address[op_ad] = op & 0xffffffff; |
| 3725 | op_riprel[op_ad] = riprel & 0xffffffff; |
| 3726 | } |
| 3727 | } |
| 3728 | |
| 3729 | static void |
| 3730 | OP_REG (int code, int sizeflag) |
| 3731 | { |
| 3732 | const char *s; |
| 3733 | int add = 0; |
| 3734 | USED_REX (REX_EXTZ); |
| 3735 | if (rex & REX_EXTZ) |
| 3736 | add = 8; |
| 3737 | |
| 3738 | switch (code) |
| 3739 | { |
| 3740 | case indir_dx_reg: |
| 3741 | if (intel_syntax) |
| 3742 | s = "[dx]"; |
| 3743 | else |
| 3744 | s = "(%dx)"; |
| 3745 | break; |
| 3746 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: |
| 3747 | case sp_reg: case bp_reg: case si_reg: case di_reg: |
| 3748 | s = names16[code - ax_reg + add]; |
| 3749 | break; |
| 3750 | case es_reg: case ss_reg: case cs_reg: |
| 3751 | case ds_reg: case fs_reg: case gs_reg: |
| 3752 | s = names_seg[code - es_reg + add]; |
| 3753 | break; |
| 3754 | case al_reg: case ah_reg: case cl_reg: case ch_reg: |
| 3755 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: |
| 3756 | USED_REX (0); |
| 3757 | if (rex) |
| 3758 | s = names8rex[code - al_reg + add]; |
| 3759 | else |
| 3760 | s = names8[code - al_reg]; |
| 3761 | break; |
| 3762 | case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg: |
| 3763 | case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg: |
| 3764 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) |
| 3765 | { |
| 3766 | s = names64[code - rAX_reg + add]; |
| 3767 | break; |
| 3768 | } |
| 3769 | code += eAX_reg - rAX_reg; |
| 3770 | /* Fall through. */ |
| 3771 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: |
| 3772 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: |
| 3773 | USED_REX (REX_MODE64); |
| 3774 | if (rex & REX_MODE64) |
| 3775 | s = names64[code - eAX_reg + add]; |
| 3776 | else if (sizeflag & DFLAG) |
| 3777 | s = names32[code - eAX_reg + add]; |
| 3778 | else |
| 3779 | s = names16[code - eAX_reg + add]; |
| 3780 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3781 | break; |
| 3782 | default: |
| 3783 | s = INTERNAL_DISASSEMBLER_ERROR; |
| 3784 | break; |
| 3785 | } |
| 3786 | oappend (s); |
| 3787 | } |
| 3788 | |
| 3789 | static void |
| 3790 | OP_IMREG (int code, int sizeflag) |
| 3791 | { |
| 3792 | const char *s; |
| 3793 | |
| 3794 | switch (code) |
| 3795 | { |
| 3796 | case indir_dx_reg: |
| 3797 | if (intel_syntax) |
| 3798 | s = "[dx]"; |
| 3799 | else |
| 3800 | s = "(%dx)"; |
| 3801 | break; |
| 3802 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: |
| 3803 | case sp_reg: case bp_reg: case si_reg: case di_reg: |
| 3804 | s = names16[code - ax_reg]; |
| 3805 | break; |
| 3806 | case es_reg: case ss_reg: case cs_reg: |
| 3807 | case ds_reg: case fs_reg: case gs_reg: |
| 3808 | s = names_seg[code - es_reg]; |
| 3809 | break; |
| 3810 | case al_reg: case ah_reg: case cl_reg: case ch_reg: |
| 3811 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: |
| 3812 | USED_REX (0); |
| 3813 | if (rex) |
| 3814 | s = names8rex[code - al_reg]; |
| 3815 | else |
| 3816 | s = names8[code - al_reg]; |
| 3817 | break; |
| 3818 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: |
| 3819 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: |
| 3820 | USED_REX (REX_MODE64); |
| 3821 | if (rex & REX_MODE64) |
| 3822 | s = names64[code - eAX_reg]; |
| 3823 | else if (sizeflag & DFLAG) |
| 3824 | s = names32[code - eAX_reg]; |
| 3825 | else |
| 3826 | s = names16[code - eAX_reg]; |
| 3827 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3828 | break; |
| 3829 | default: |
| 3830 | s = INTERNAL_DISASSEMBLER_ERROR; |
| 3831 | break; |
| 3832 | } |
| 3833 | oappend (s); |
| 3834 | } |
| 3835 | |
| 3836 | static void |
| 3837 | OP_I (int bytemode, int sizeflag) |
| 3838 | { |
| 3839 | bfd_signed_vma op; |
| 3840 | bfd_signed_vma mask = -1; |
| 3841 | |
| 3842 | switch (bytemode) |
| 3843 | { |
| 3844 | case b_mode: |
| 3845 | FETCH_DATA (the_info, codep + 1); |
| 3846 | op = *codep++; |
| 3847 | mask = 0xff; |
| 3848 | break; |
| 3849 | case q_mode: |
| 3850 | if (address_mode == mode_64bit) |
| 3851 | { |
| 3852 | op = get32s (); |
| 3853 | break; |
| 3854 | } |
| 3855 | /* Fall through. */ |
| 3856 | case v_mode: |
| 3857 | USED_REX (REX_MODE64); |
| 3858 | if (rex & REX_MODE64) |
| 3859 | op = get32s (); |
| 3860 | else if (sizeflag & DFLAG) |
| 3861 | { |
| 3862 | op = get32 (); |
| 3863 | mask = 0xffffffff; |
| 3864 | } |
| 3865 | else |
| 3866 | { |
| 3867 | op = get16 (); |
| 3868 | mask = 0xfffff; |
| 3869 | } |
| 3870 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3871 | break; |
| 3872 | case w_mode: |
| 3873 | mask = 0xfffff; |
| 3874 | op = get16 (); |
| 3875 | break; |
| 3876 | case const_1_mode: |
| 3877 | if (intel_syntax) |
| 3878 | oappend ("1"); |
| 3879 | return; |
| 3880 | default: |
| 3881 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 3882 | return; |
| 3883 | } |
| 3884 | |
| 3885 | op &= mask; |
| 3886 | scratchbuf[0] = '$'; |
| 3887 | print_operand_value (scratchbuf + 1, 1, op); |
| 3888 | oappend (scratchbuf + intel_syntax); |
| 3889 | scratchbuf[0] = '\0'; |
| 3890 | } |
| 3891 | |
| 3892 | static void |
| 3893 | OP_I64 (int bytemode, int sizeflag) |
| 3894 | { |
| 3895 | bfd_signed_vma op; |
| 3896 | bfd_signed_vma mask = -1; |
| 3897 | |
| 3898 | if (address_mode != mode_64bit) |
| 3899 | { |
| 3900 | OP_I (bytemode, sizeflag); |
| 3901 | return; |
| 3902 | } |
| 3903 | |
| 3904 | switch (bytemode) |
| 3905 | { |
| 3906 | case b_mode: |
| 3907 | FETCH_DATA (the_info, codep + 1); |
| 3908 | op = *codep++; |
| 3909 | mask = 0xff; |
| 3910 | break; |
| 3911 | case v_mode: |
| 3912 | USED_REX (REX_MODE64); |
| 3913 | if (rex & REX_MODE64) |
| 3914 | op = get64 (); |
| 3915 | else if (sizeflag & DFLAG) |
| 3916 | { |
| 3917 | op = get32 (); |
| 3918 | mask = 0xffffffff; |
| 3919 | } |
| 3920 | else |
| 3921 | { |
| 3922 | op = get16 (); |
| 3923 | mask = 0xfffff; |
| 3924 | } |
| 3925 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3926 | break; |
| 3927 | case w_mode: |
| 3928 | mask = 0xfffff; |
| 3929 | op = get16 (); |
| 3930 | break; |
| 3931 | default: |
| 3932 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 3933 | return; |
| 3934 | } |
| 3935 | |
| 3936 | op &= mask; |
| 3937 | scratchbuf[0] = '$'; |
| 3938 | print_operand_value (scratchbuf + 1, 1, op); |
| 3939 | oappend (scratchbuf + intel_syntax); |
| 3940 | scratchbuf[0] = '\0'; |
| 3941 | } |
| 3942 | |
| 3943 | static void |
| 3944 | OP_sI (int bytemode, int sizeflag) |
| 3945 | { |
| 3946 | bfd_signed_vma op; |
| 3947 | bfd_signed_vma mask = -1; |
| 3948 | |
| 3949 | switch (bytemode) |
| 3950 | { |
| 3951 | case b_mode: |
| 3952 | FETCH_DATA (the_info, codep + 1); |
| 3953 | op = *codep++; |
| 3954 | if ((op & 0x80) != 0) |
| 3955 | op -= 0x100; |
| 3956 | mask = 0xffffffff; |
| 3957 | break; |
| 3958 | case v_mode: |
| 3959 | USED_REX (REX_MODE64); |
| 3960 | if (rex & REX_MODE64) |
| 3961 | op = get32s (); |
| 3962 | else if (sizeflag & DFLAG) |
| 3963 | { |
| 3964 | op = get32s (); |
| 3965 | mask = 0xffffffff; |
| 3966 | } |
| 3967 | else |
| 3968 | { |
| 3969 | mask = 0xffffffff; |
| 3970 | op = get16 (); |
| 3971 | if ((op & 0x8000) != 0) |
| 3972 | op -= 0x10000; |
| 3973 | } |
| 3974 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 3975 | break; |
| 3976 | case w_mode: |
| 3977 | op = get16 (); |
| 3978 | mask = 0xffffffff; |
| 3979 | if ((op & 0x8000) != 0) |
| 3980 | op -= 0x10000; |
| 3981 | break; |
| 3982 | default: |
| 3983 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 3984 | return; |
| 3985 | } |
| 3986 | |
| 3987 | scratchbuf[0] = '$'; |
| 3988 | print_operand_value (scratchbuf + 1, 1, op); |
| 3989 | oappend (scratchbuf + intel_syntax); |
| 3990 | } |
| 3991 | |
| 3992 | static void |
| 3993 | OP_J (int bytemode, int sizeflag) |
| 3994 | { |
| 3995 | bfd_vma disp; |
| 3996 | bfd_vma mask = -1; |
| 3997 | |
| 3998 | switch (bytemode) |
| 3999 | { |
| 4000 | case b_mode: |
| 4001 | FETCH_DATA (the_info, codep + 1); |
| 4002 | disp = *codep++; |
| 4003 | if ((disp & 0x80) != 0) |
| 4004 | disp -= 0x100; |
| 4005 | break; |
| 4006 | case v_mode: |
| 4007 | if ((sizeflag & DFLAG) || (rex & REX_MODE64)) |
| 4008 | disp = get32s (); |
| 4009 | else |
| 4010 | { |
| 4011 | disp = get16 (); |
| 4012 | /* For some reason, a data16 prefix on a jump instruction |
| 4013 | means that the pc is masked to 16 bits after the |
| 4014 | displacement is added! */ |
| 4015 | mask = 0xffff; |
| 4016 | } |
| 4017 | break; |
| 4018 | default: |
| 4019 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
| 4020 | return; |
| 4021 | } |
| 4022 | disp = (start_pc + codep - start_codep + disp) & mask; |
| 4023 | set_op (disp, 0); |
| 4024 | print_operand_value (scratchbuf, 1, disp); |
| 4025 | oappend (scratchbuf); |
| 4026 | } |
| 4027 | |
| 4028 | static void |
| 4029 | OP_SEG (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 4030 | { |
| 4031 | oappend (names_seg[reg]); |
| 4032 | } |
| 4033 | |
| 4034 | static void |
| 4035 | OP_DIR (int dummy ATTRIBUTE_UNUSED, int sizeflag) |
| 4036 | { |
| 4037 | int seg, offset; |
| 4038 | |
| 4039 | if (sizeflag & DFLAG) |
| 4040 | { |
| 4041 | offset = get32 (); |
| 4042 | seg = get16 (); |
| 4043 | } |
| 4044 | else |
| 4045 | { |
| 4046 | offset = get16 (); |
| 4047 | seg = get16 (); |
| 4048 | } |
| 4049 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 4050 | if (intel_syntax) |
| 4051 | sprintf (scratchbuf, "0x%x:0x%x", seg, offset); |
| 4052 | else |
| 4053 | sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset); |
| 4054 | oappend (scratchbuf); |
| 4055 | } |
| 4056 | |
| 4057 | static void |
| 4058 | OP_OFF (int bytemode, int sizeflag) |
| 4059 | { |
| 4060 | bfd_vma off; |
| 4061 | |
| 4062 | if (intel_syntax && (sizeflag & SUFFIX_ALWAYS)) |
| 4063 | intel_operand_size (bytemode, sizeflag); |
| 4064 | append_seg (); |
| 4065 | |
| 4066 | if ((sizeflag & AFLAG) || address_mode == mode_64bit) |
| 4067 | off = get32 (); |
| 4068 | else |
| 4069 | off = get16 (); |
| 4070 | |
| 4071 | if (intel_syntax) |
| 4072 | { |
| 4073 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS |
| 4074 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) |
| 4075 | { |
| 4076 | oappend (names_seg[ds_reg - es_reg]); |
| 4077 | oappend (":"); |
| 4078 | } |
| 4079 | } |
| 4080 | print_operand_value (scratchbuf, 1, off); |
| 4081 | oappend (scratchbuf); |
| 4082 | } |
| 4083 | |
| 4084 | static void |
| 4085 | OP_OFF64 (int bytemode, int sizeflag) |
| 4086 | { |
| 4087 | bfd_vma off; |
| 4088 | |
| 4089 | if (address_mode != mode_64bit) |
| 4090 | { |
| 4091 | OP_OFF (bytemode, sizeflag); |
| 4092 | return; |
| 4093 | } |
| 4094 | |
| 4095 | if (intel_syntax && (sizeflag & SUFFIX_ALWAYS)) |
| 4096 | intel_operand_size (bytemode, sizeflag); |
| 4097 | append_seg (); |
| 4098 | |
| 4099 | off = get64 (); |
| 4100 | |
| 4101 | if (intel_syntax) |
| 4102 | { |
| 4103 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS |
| 4104 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) |
| 4105 | { |
| 4106 | oappend (names_seg[ds_reg - es_reg]); |
| 4107 | oappend (":"); |
| 4108 | } |
| 4109 | } |
| 4110 | print_operand_value (scratchbuf, 1, off); |
| 4111 | oappend (scratchbuf); |
| 4112 | } |
| 4113 | |
| 4114 | static void |
| 4115 | ptr_reg (int code, int sizeflag) |
| 4116 | { |
| 4117 | const char *s; |
| 4118 | |
| 4119 | *obufp++ = open_char; |
| 4120 | used_prefixes |= (prefixes & PREFIX_ADDR); |
| 4121 | if (address_mode == mode_64bit) |
| 4122 | { |
| 4123 | if (!(sizeflag & AFLAG)) |
| 4124 | s = names32[code - eAX_reg]; |
| 4125 | else |
| 4126 | s = names64[code - eAX_reg]; |
| 4127 | } |
| 4128 | else if (sizeflag & AFLAG) |
| 4129 | s = names32[code - eAX_reg]; |
| 4130 | else |
| 4131 | s = names16[code - eAX_reg]; |
| 4132 | oappend (s); |
| 4133 | *obufp++ = close_char; |
| 4134 | *obufp = 0; |
| 4135 | } |
| 4136 | |
| 4137 | static void |
| 4138 | OP_ESreg (int code, int sizeflag) |
| 4139 | { |
| 4140 | if (intel_syntax) |
| 4141 | intel_operand_size (codep[-1] & 1 ? v_mode : b_mode, sizeflag); |
| 4142 | oappend ("%es:" + intel_syntax); |
| 4143 | ptr_reg (code, sizeflag); |
| 4144 | } |
| 4145 | |
| 4146 | static void |
| 4147 | OP_DSreg (int code, int sizeflag) |
| 4148 | { |
| 4149 | if (intel_syntax) |
| 4150 | intel_operand_size (codep[-1] != 0xd7 && (codep[-1] & 1) |
| 4151 | ? v_mode |
| 4152 | : b_mode, |
| 4153 | sizeflag); |
| 4154 | if ((prefixes |
| 4155 | & (PREFIX_CS |
| 4156 | | PREFIX_DS |
| 4157 | | PREFIX_SS |
| 4158 | | PREFIX_ES |
| 4159 | | PREFIX_FS |
| 4160 | | PREFIX_GS)) == 0) |
| 4161 | prefixes |= PREFIX_DS; |
| 4162 | append_seg (); |
| 4163 | ptr_reg (code, sizeflag); |
| 4164 | } |
| 4165 | |
| 4166 | static void |
| 4167 | OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 4168 | { |
| 4169 | int add = 0; |
| 4170 | if (rex & REX_EXTX) |
| 4171 | { |
| 4172 | USED_REX (REX_EXTX); |
| 4173 | add = 8; |
| 4174 | } |
| 4175 | else if (address_mode != mode_64bit && (prefixes & PREFIX_LOCK)) |
| 4176 | { |
| 4177 | used_prefixes |= PREFIX_LOCK; |
| 4178 | add = 8; |
| 4179 | } |
| 4180 | sprintf (scratchbuf, "%%cr%d", reg + add); |
| 4181 | oappend (scratchbuf + intel_syntax); |
| 4182 | } |
| 4183 | |
| 4184 | static void |
| 4185 | OP_D (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 4186 | { |
| 4187 | int add = 0; |
| 4188 | USED_REX (REX_EXTX); |
| 4189 | if (rex & REX_EXTX) |
| 4190 | add = 8; |
| 4191 | if (intel_syntax) |
| 4192 | sprintf (scratchbuf, "db%d", reg + add); |
| 4193 | else |
| 4194 | sprintf (scratchbuf, "%%db%d", reg + add); |
| 4195 | oappend (scratchbuf); |
| 4196 | } |
| 4197 | |
| 4198 | static void |
| 4199 | OP_T (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 4200 | { |
| 4201 | sprintf (scratchbuf, "%%tr%d", reg); |
| 4202 | oappend (scratchbuf + intel_syntax); |
| 4203 | } |
| 4204 | |
| 4205 | static void |
| 4206 | OP_Rd (int bytemode, int sizeflag) |
| 4207 | { |
| 4208 | if (mod == 3) |
| 4209 | OP_E (bytemode, sizeflag); |
| 4210 | else |
| 4211 | BadOp (); |
| 4212 | } |
| 4213 | |
| 4214 | static void |
| 4215 | OP_MMX (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 4216 | { |
| 4217 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 4218 | if (prefixes & PREFIX_DATA) |
| 4219 | { |
| 4220 | int add = 0; |
| 4221 | USED_REX (REX_EXTX); |
| 4222 | if (rex & REX_EXTX) |
| 4223 | add = 8; |
| 4224 | sprintf (scratchbuf, "%%xmm%d", reg + add); |
| 4225 | } |
| 4226 | else |
| 4227 | sprintf (scratchbuf, "%%mm%d", reg); |
| 4228 | oappend (scratchbuf + intel_syntax); |
| 4229 | } |
| 4230 | |
| 4231 | static void |
| 4232 | OP_XMM (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 4233 | { |
| 4234 | int add = 0; |
| 4235 | USED_REX (REX_EXTX); |
| 4236 | if (rex & REX_EXTX) |
| 4237 | add = 8; |
| 4238 | sprintf (scratchbuf, "%%xmm%d", reg + add); |
| 4239 | oappend (scratchbuf + intel_syntax); |
| 4240 | } |
| 4241 | |
| 4242 | static void |
| 4243 | OP_EM (int bytemode, int sizeflag) |
| 4244 | { |
| 4245 | if (mod != 3) |
| 4246 | { |
| 4247 | if (intel_syntax && bytemode == v_mode) |
| 4248 | { |
| 4249 | bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode; |
| 4250 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 4251 | } |
| 4252 | OP_E (bytemode, sizeflag); |
| 4253 | return; |
| 4254 | } |
| 4255 | |
| 4256 | /* Skip mod/rm byte. */ |
| 4257 | MODRM_CHECK; |
| 4258 | codep++; |
| 4259 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 4260 | if (prefixes & PREFIX_DATA) |
| 4261 | { |
| 4262 | int add = 0; |
| 4263 | |
| 4264 | USED_REX (REX_EXTZ); |
| 4265 | if (rex & REX_EXTZ) |
| 4266 | add = 8; |
| 4267 | sprintf (scratchbuf, "%%xmm%d", rm + add); |
| 4268 | } |
| 4269 | else |
| 4270 | sprintf (scratchbuf, "%%mm%d", rm); |
| 4271 | oappend (scratchbuf + intel_syntax); |
| 4272 | } |
| 4273 | |
| 4274 | static void |
| 4275 | OP_EX (int bytemode, int sizeflag) |
| 4276 | { |
| 4277 | int add = 0; |
| 4278 | if (mod != 3) |
| 4279 | { |
| 4280 | if (intel_syntax && bytemode == v_mode) |
| 4281 | { |
| 4282 | switch (prefixes & (PREFIX_DATA|PREFIX_REPZ|PREFIX_REPNZ)) |
| 4283 | { |
| 4284 | case 0: bytemode = x_mode; break; |
| 4285 | case PREFIX_REPZ: bytemode = d_mode; used_prefixes |= PREFIX_REPZ; break; |
| 4286 | case PREFIX_DATA: bytemode = x_mode; used_prefixes |= PREFIX_DATA; break; |
| 4287 | case PREFIX_REPNZ: bytemode = q_mode; used_prefixes |= PREFIX_REPNZ; break; |
| 4288 | default: bytemode = 0; break; |
| 4289 | } |
| 4290 | } |
| 4291 | OP_E (bytemode, sizeflag); |
| 4292 | return; |
| 4293 | } |
| 4294 | USED_REX (REX_EXTZ); |
| 4295 | if (rex & REX_EXTZ) |
| 4296 | add = 8; |
| 4297 | |
| 4298 | /* Skip mod/rm byte. */ |
| 4299 | MODRM_CHECK; |
| 4300 | codep++; |
| 4301 | sprintf (scratchbuf, "%%xmm%d", rm + add); |
| 4302 | oappend (scratchbuf + intel_syntax); |
| 4303 | } |
| 4304 | |
| 4305 | static void |
| 4306 | OP_MS (int bytemode, int sizeflag) |
| 4307 | { |
| 4308 | if (mod == 3) |
| 4309 | OP_EM (bytemode, sizeflag); |
| 4310 | else |
| 4311 | BadOp (); |
| 4312 | } |
| 4313 | |
| 4314 | static void |
| 4315 | OP_XS (int bytemode, int sizeflag) |
| 4316 | { |
| 4317 | if (mod == 3) |
| 4318 | OP_EX (bytemode, sizeflag); |
| 4319 | else |
| 4320 | BadOp (); |
| 4321 | } |
| 4322 | |
| 4323 | static void |
| 4324 | OP_M (int bytemode, int sizeflag) |
| 4325 | { |
| 4326 | if (mod == 3) |
| 4327 | BadOp (); /* bad lea,lds,les,lfs,lgs,lss modrm */ |
| 4328 | else |
| 4329 | OP_E (bytemode, sizeflag); |
| 4330 | } |
| 4331 | |
| 4332 | static void |
| 4333 | OP_0f07 (int bytemode, int sizeflag) |
| 4334 | { |
| 4335 | if (mod != 3 || rm != 0) |
| 4336 | BadOp (); |
| 4337 | else |
| 4338 | OP_E (bytemode, sizeflag); |
| 4339 | } |
| 4340 | |
| 4341 | static void |
| 4342 | OP_0fae (int bytemode, int sizeflag) |
| 4343 | { |
| 4344 | if (mod == 3) |
| 4345 | { |
| 4346 | if (reg == 7) |
| 4347 | strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence"); |
| 4348 | |
| 4349 | if (reg < 5 || rm != 0) |
| 4350 | { |
| 4351 | BadOp (); /* bad sfence, mfence, or lfence */ |
| 4352 | return; |
| 4353 | } |
| 4354 | } |
| 4355 | else if (reg != 7) |
| 4356 | { |
| 4357 | BadOp (); /* bad clflush */ |
| 4358 | return; |
| 4359 | } |
| 4360 | |
| 4361 | OP_E (bytemode, sizeflag); |
| 4362 | } |
| 4363 | |
| 4364 | /* NOP is an alias of "xchg %ax,%ax" in 16bit mode, "xchg %eax,%eax" in |
| 4365 | 32bit mode and "xchg %rax,%rax" in 64bit mode. NOP with REPZ prefix |
| 4366 | is called PAUSE. We display "xchg %ax,%ax" instead of "data16 nop". |
| 4367 | */ |
| 4368 | |
| 4369 | static void |
| 4370 | NOP_Fixup1 (int bytemode, int sizeflag) |
| 4371 | { |
| 4372 | if (prefixes == PREFIX_REPZ) |
| 4373 | strcpy (obuf, "pause"); |
| 4374 | else if (prefixes == PREFIX_DATA |
| 4375 | || ((rex & REX_MODE64) && rex != 0x48)) |
| 4376 | OP_REG (bytemode, sizeflag); |
| 4377 | else |
| 4378 | strcpy (obuf, "nop"); |
| 4379 | } |
| 4380 | |
| 4381 | static void |
| 4382 | NOP_Fixup2 (int bytemode, int sizeflag) |
| 4383 | { |
| 4384 | if (prefixes == PREFIX_DATA |
| 4385 | || ((rex & REX_MODE64) && rex != 0x48)) |
| 4386 | OP_IMREG (bytemode, sizeflag); |
| 4387 | } |
| 4388 | |
| 4389 | static const char *const Suffix3DNow[] = { |
| 4390 | /* 00 */ NULL, NULL, NULL, NULL, |
| 4391 | /* 04 */ NULL, NULL, NULL, NULL, |
| 4392 | /* 08 */ NULL, NULL, NULL, NULL, |
| 4393 | /* 0C */ "pi2fw", "pi2fd", NULL, NULL, |
| 4394 | /* 10 */ NULL, NULL, NULL, NULL, |
| 4395 | /* 14 */ NULL, NULL, NULL, NULL, |
| 4396 | /* 18 */ NULL, NULL, NULL, NULL, |
| 4397 | /* 1C */ "pf2iw", "pf2id", NULL, NULL, |
| 4398 | /* 20 */ NULL, NULL, NULL, NULL, |
| 4399 | /* 24 */ NULL, NULL, NULL, NULL, |
| 4400 | /* 28 */ NULL, NULL, NULL, NULL, |
| 4401 | /* 2C */ NULL, NULL, NULL, NULL, |
| 4402 | /* 30 */ NULL, NULL, NULL, NULL, |
| 4403 | /* 34 */ NULL, NULL, NULL, NULL, |
| 4404 | /* 38 */ NULL, NULL, NULL, NULL, |
| 4405 | /* 3C */ NULL, NULL, NULL, NULL, |
| 4406 | /* 40 */ NULL, NULL, NULL, NULL, |
| 4407 | /* 44 */ NULL, NULL, NULL, NULL, |
| 4408 | /* 48 */ NULL, NULL, NULL, NULL, |
| 4409 | /* 4C */ NULL, NULL, NULL, NULL, |
| 4410 | /* 50 */ NULL, NULL, NULL, NULL, |
| 4411 | /* 54 */ NULL, NULL, NULL, NULL, |
| 4412 | /* 58 */ NULL, NULL, NULL, NULL, |
| 4413 | /* 5C */ NULL, NULL, NULL, NULL, |
| 4414 | /* 60 */ NULL, NULL, NULL, NULL, |
| 4415 | /* 64 */ NULL, NULL, NULL, NULL, |
| 4416 | /* 68 */ NULL, NULL, NULL, NULL, |
| 4417 | /* 6C */ NULL, NULL, NULL, NULL, |
| 4418 | /* 70 */ NULL, NULL, NULL, NULL, |
| 4419 | /* 74 */ NULL, NULL, NULL, NULL, |
| 4420 | /* 78 */ NULL, NULL, NULL, NULL, |
| 4421 | /* 7C */ NULL, NULL, NULL, NULL, |
| 4422 | /* 80 */ NULL, NULL, NULL, NULL, |
| 4423 | /* 84 */ NULL, NULL, NULL, NULL, |
| 4424 | /* 88 */ NULL, NULL, "pfnacc", NULL, |
| 4425 | /* 8C */ NULL, NULL, "pfpnacc", NULL, |
| 4426 | /* 90 */ "pfcmpge", NULL, NULL, NULL, |
| 4427 | /* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt", |
| 4428 | /* 98 */ NULL, NULL, "pfsub", NULL, |
| 4429 | /* 9C */ NULL, NULL, "pfadd", NULL, |
| 4430 | /* A0 */ "pfcmpgt", NULL, NULL, NULL, |
| 4431 | /* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1", |
| 4432 | /* A8 */ NULL, NULL, "pfsubr", NULL, |
| 4433 | /* AC */ NULL, NULL, "pfacc", NULL, |
| 4434 | /* B0 */ "pfcmpeq", NULL, NULL, NULL, |
| 4435 | /* B4 */ "pfmul", NULL, "pfrcpit2", "pfmulhrw", |
| 4436 | /* B8 */ NULL, NULL, NULL, "pswapd", |
| 4437 | /* BC */ NULL, NULL, NULL, "pavgusb", |
| 4438 | /* C0 */ NULL, NULL, NULL, NULL, |
| 4439 | /* C4 */ NULL, NULL, NULL, NULL, |
| 4440 | /* C8 */ NULL, NULL, NULL, NULL, |
| 4441 | /* CC */ NULL, NULL, NULL, NULL, |
| 4442 | /* D0 */ NULL, NULL, NULL, NULL, |
| 4443 | /* D4 */ NULL, NULL, NULL, NULL, |
| 4444 | /* D8 */ NULL, NULL, NULL, NULL, |
| 4445 | /* DC */ NULL, NULL, NULL, NULL, |
| 4446 | /* E0 */ NULL, NULL, NULL, NULL, |
| 4447 | /* E4 */ NULL, NULL, NULL, NULL, |
| 4448 | /* E8 */ NULL, NULL, NULL, NULL, |
| 4449 | /* EC */ NULL, NULL, NULL, NULL, |
| 4450 | /* F0 */ NULL, NULL, NULL, NULL, |
| 4451 | /* F4 */ NULL, NULL, NULL, NULL, |
| 4452 | /* F8 */ NULL, NULL, NULL, NULL, |
| 4453 | /* FC */ NULL, NULL, NULL, NULL, |
| 4454 | }; |
| 4455 | |
| 4456 | static void |
| 4457 | OP_3DNowSuffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 4458 | { |
| 4459 | const char *mnemonic; |
| 4460 | |
| 4461 | FETCH_DATA (the_info, codep + 1); |
| 4462 | /* AMD 3DNow! instructions are specified by an opcode suffix in the |
| 4463 | place where an 8-bit immediate would normally go. ie. the last |
| 4464 | byte of the instruction. */ |
| 4465 | obufp = obuf + strlen (obuf); |
| 4466 | mnemonic = Suffix3DNow[*codep++ & 0xff]; |
| 4467 | if (mnemonic) |
| 4468 | oappend (mnemonic); |
| 4469 | else |
| 4470 | { |
| 4471 | /* Since a variable sized modrm/sib chunk is between the start |
| 4472 | of the opcode (0x0f0f) and the opcode suffix, we need to do |
| 4473 | all the modrm processing first, and don't know until now that |
| 4474 | we have a bad opcode. This necessitates some cleaning up. */ |
| 4475 | op1out[0] = '\0'; |
| 4476 | op2out[0] = '\0'; |
| 4477 | BadOp (); |
| 4478 | } |
| 4479 | } |
| 4480 | |
| 4481 | static const char *simd_cmp_op[] = { |
| 4482 | "eq", |
| 4483 | "lt", |
| 4484 | "le", |
| 4485 | "unord", |
| 4486 | "neq", |
| 4487 | "nlt", |
| 4488 | "nle", |
| 4489 | "ord" |
| 4490 | }; |
| 4491 | |
| 4492 | static void |
| 4493 | OP_SIMD_Suffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) |
| 4494 | { |
| 4495 | unsigned int cmp_type; |
| 4496 | |
| 4497 | FETCH_DATA (the_info, codep + 1); |
| 4498 | obufp = obuf + strlen (obuf); |
| 4499 | cmp_type = *codep++ & 0xff; |
| 4500 | if (cmp_type < 8) |
| 4501 | { |
| 4502 | char suffix1 = 'p', suffix2 = 's'; |
| 4503 | used_prefixes |= (prefixes & PREFIX_REPZ); |
| 4504 | if (prefixes & PREFIX_REPZ) |
| 4505 | suffix1 = 's'; |
| 4506 | else |
| 4507 | { |
| 4508 | used_prefixes |= (prefixes & PREFIX_DATA); |
| 4509 | if (prefixes & PREFIX_DATA) |
| 4510 | suffix2 = 'd'; |
| 4511 | else |
| 4512 | { |
| 4513 | used_prefixes |= (prefixes & PREFIX_REPNZ); |
| 4514 | if (prefixes & PREFIX_REPNZ) |
| 4515 | suffix1 = 's', suffix2 = 'd'; |
| 4516 | } |
| 4517 | } |
| 4518 | sprintf (scratchbuf, "cmp%s%c%c", |
| 4519 | simd_cmp_op[cmp_type], suffix1, suffix2); |
| 4520 | used_prefixes |= (prefixes & PREFIX_REPZ); |
| 4521 | oappend (scratchbuf); |
| 4522 | } |
| 4523 | else |
| 4524 | { |
| 4525 | /* We have a bad extension byte. Clean up. */ |
| 4526 | op1out[0] = '\0'; |
| 4527 | op2out[0] = '\0'; |
| 4528 | BadOp (); |
| 4529 | } |
| 4530 | } |
| 4531 | |
| 4532 | static void |
| 4533 | SIMD_Fixup (int extrachar, int sizeflag ATTRIBUTE_UNUSED) |
| 4534 | { |
| 4535 | /* Change movlps/movhps to movhlps/movlhps for 2 register operand |
| 4536 | forms of these instructions. */ |
| 4537 | if (mod == 3) |
| 4538 | { |
| 4539 | char *p = obuf + strlen (obuf); |
| 4540 | *(p + 1) = '\0'; |
| 4541 | *p = *(p - 1); |
| 4542 | *(p - 1) = *(p - 2); |
| 4543 | *(p - 2) = *(p - 3); |
| 4544 | *(p - 3) = extrachar; |
| 4545 | } |
| 4546 | } |
| 4547 | |
| 4548 | static void |
| 4549 | PNI_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag) |
| 4550 | { |
| 4551 | if (mod == 3 && reg == 1 && rm <= 1) |
| 4552 | { |
| 4553 | /* Override "sidt". */ |
| 4554 | size_t olen = strlen (obuf); |
| 4555 | char *p = obuf + olen - 4; |
| 4556 | const char **names = (address_mode == mode_64bit |
| 4557 | ? names64 : names32); |
| 4558 | |
| 4559 | /* We might have a suffix when disassembling with -Msuffix. */ |
| 4560 | if (*p == 'i') |
| 4561 | --p; |
| 4562 | |
| 4563 | /* Remove "addr16/addr32" if we aren't in Intel mode. */ |
| 4564 | if (!intel_syntax |
| 4565 | && (prefixes & PREFIX_ADDR) |
| 4566 | && olen >= (4 + 7) |
| 4567 | && *(p - 1) == ' ' |
| 4568 | && strncmp (p - 7, "addr", 4) == 0 |
| 4569 | && (strncmp (p - 3, "16", 2) == 0 |
| 4570 | || strncmp (p - 3, "32", 2) == 0)) |
| 4571 | p -= 7; |
| 4572 | |
| 4573 | if (rm) |
| 4574 | { |
| 4575 | /* mwait %eax,%ecx */ |
| 4576 | strcpy (p, "mwait"); |
| 4577 | if (!intel_syntax) |
| 4578 | strcpy (op1out, names[0]); |
| 4579 | } |
| 4580 | else |
| 4581 | { |
| 4582 | /* monitor %eax,%ecx,%edx" */ |
| 4583 | strcpy (p, "monitor"); |
| 4584 | if (!intel_syntax) |
| 4585 | { |
| 4586 | const char **op1_names; |
| 4587 | if (!(prefixes & PREFIX_ADDR)) |
| 4588 | op1_names = (address_mode == mode_16bit |
| 4589 | ? names16 : names); |
| 4590 | else |
| 4591 | { |
| 4592 | op1_names = (address_mode != mode_32bit |
| 4593 | ? names32 : names16); |
| 4594 | used_prefixes |= PREFIX_ADDR; |
| 4595 | } |
| 4596 | strcpy (op1out, op1_names[0]); |
| 4597 | strcpy (op3out, names[2]); |
| 4598 | } |
| 4599 | } |
| 4600 | if (!intel_syntax) |
| 4601 | { |
| 4602 | strcpy (op2out, names[1]); |
| 4603 | two_source_ops = 1; |
| 4604 | } |
| 4605 | |
| 4606 | codep++; |
| 4607 | } |
| 4608 | else |
| 4609 | OP_M (0, sizeflag); |
| 4610 | } |
| 4611 | |
| 4612 | static void |
| 4613 | SVME_Fixup (int bytemode, int sizeflag) |
| 4614 | { |
| 4615 | const char *alt; |
| 4616 | char *p; |
| 4617 | |
| 4618 | switch (*codep) |
| 4619 | { |
| 4620 | case 0xd8: |
| 4621 | alt = "vmrun"; |
| 4622 | break; |
| 4623 | case 0xd9: |
| 4624 | alt = "vmmcall"; |
| 4625 | break; |
| 4626 | case 0xda: |
| 4627 | alt = "vmload"; |
| 4628 | break; |
| 4629 | case 0xdb: |
| 4630 | alt = "vmsave"; |
| 4631 | break; |
| 4632 | case 0xdc: |
| 4633 | alt = "stgi"; |
| 4634 | break; |
| 4635 | case 0xdd: |
| 4636 | alt = "clgi"; |
| 4637 | break; |
| 4638 | case 0xde: |
| 4639 | alt = "skinit"; |
| 4640 | break; |
| 4641 | case 0xdf: |
| 4642 | alt = "invlpga"; |
| 4643 | break; |
| 4644 | default: |
| 4645 | OP_M (bytemode, sizeflag); |
| 4646 | return; |
| 4647 | } |
| 4648 | /* Override "lidt". */ |
| 4649 | p = obuf + strlen (obuf) - 4; |
| 4650 | /* We might have a suffix. */ |
| 4651 | if (*p == 'i') |
| 4652 | --p; |
| 4653 | strcpy (p, alt); |
| 4654 | if (!(prefixes & PREFIX_ADDR)) |
| 4655 | { |
| 4656 | ++codep; |
| 4657 | return; |
| 4658 | } |
| 4659 | used_prefixes |= PREFIX_ADDR; |
| 4660 | switch (*codep++) |
| 4661 | { |
| 4662 | case 0xdf: |
| 4663 | strcpy (op2out, names32[1]); |
| 4664 | two_source_ops = 1; |
| 4665 | /* Fall through. */ |
| 4666 | case 0xd8: |
| 4667 | case 0xda: |
| 4668 | case 0xdb: |
| 4669 | *obufp++ = open_char; |
| 4670 | if (address_mode == mode_64bit || (sizeflag & AFLAG)) |
| 4671 | alt = names32[0]; |
| 4672 | else |
| 4673 | alt = names16[0]; |
| 4674 | strcpy (obufp, alt); |
| 4675 | obufp += strlen (alt); |
| 4676 | *obufp++ = close_char; |
| 4677 | *obufp = '\0'; |
| 4678 | break; |
| 4679 | } |
| 4680 | } |
| 4681 | |
| 4682 | static void |
| 4683 | INVLPG_Fixup (int bytemode, int sizeflag) |
| 4684 | { |
| 4685 | const char *alt; |
| 4686 | |
| 4687 | switch (*codep) |
| 4688 | { |
| 4689 | case 0xf8: |
| 4690 | alt = "swapgs"; |
| 4691 | break; |
| 4692 | case 0xf9: |
| 4693 | alt = "rdtscp"; |
| 4694 | break; |
| 4695 | default: |
| 4696 | OP_M (bytemode, sizeflag); |
| 4697 | return; |
| 4698 | } |
| 4699 | /* Override "invlpg". */ |
| 4700 | strcpy (obuf + strlen (obuf) - 6, alt); |
| 4701 | codep++; |
| 4702 | } |
| 4703 | |
| 4704 | static void |
| 4705 | BadOp (void) |
| 4706 | { |
| 4707 | /* Throw away prefixes and 1st. opcode byte. */ |
| 4708 | codep = insn_codep + 1; |
| 4709 | oappend ("(bad)"); |
| 4710 | } |
| 4711 | |
| 4712 | static void |
| 4713 | SEG_Fixup (int extrachar, int sizeflag) |
| 4714 | { |
| 4715 | if (mod == 3) |
| 4716 | { |
| 4717 | /* We need to add a proper suffix with |
| 4718 | |
| 4719 | movw %ds,%ax |
| 4720 | movl %ds,%eax |
| 4721 | movq %ds,%rax |
| 4722 | movw %ax,%ds |
| 4723 | movl %eax,%ds |
| 4724 | movq %rax,%ds |
| 4725 | */ |
| 4726 | const char *suffix; |
| 4727 | |
| 4728 | if (prefixes & PREFIX_DATA) |
| 4729 | suffix = "w"; |
| 4730 | else |
| 4731 | { |
| 4732 | USED_REX (REX_MODE64); |
| 4733 | if (rex & REX_MODE64) |
| 4734 | suffix = "q"; |
| 4735 | else |
| 4736 | suffix = "l"; |
| 4737 | } |
| 4738 | strcat (obuf, suffix); |
| 4739 | } |
| 4740 | else |
| 4741 | { |
| 4742 | /* We need to fix the suffix for |
| 4743 | |
| 4744 | movw %ds,(%eax) |
| 4745 | movw %ds,(%rax) |
| 4746 | movw (%eax),%ds |
| 4747 | movw (%rax),%ds |
| 4748 | |
| 4749 | Override "mov[l|q]". */ |
| 4750 | char *p = obuf + strlen (obuf) - 1; |
| 4751 | |
| 4752 | /* We might not have a suffix. */ |
| 4753 | if (*p == 'v') |
| 4754 | ++p; |
| 4755 | *p = 'w'; |
| 4756 | } |
| 4757 | |
| 4758 | OP_E (extrachar, sizeflag); |
| 4759 | } |
| 4760 | |
| 4761 | static void |
| 4762 | VMX_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag) |
| 4763 | { |
| 4764 | if (mod == 3 && reg == 0 && rm >=1 && rm <= 4) |
| 4765 | { |
| 4766 | /* Override "sgdt". */ |
| 4767 | char *p = obuf + strlen (obuf) - 4; |
| 4768 | |
| 4769 | /* We might have a suffix when disassembling with -Msuffix. */ |
| 4770 | if (*p == 'g') |
| 4771 | --p; |
| 4772 | |
| 4773 | switch (rm) |
| 4774 | { |
| 4775 | case 1: |
| 4776 | strcpy (p, "vmcall"); |
| 4777 | break; |
| 4778 | case 2: |
| 4779 | strcpy (p, "vmlaunch"); |
| 4780 | break; |
| 4781 | case 3: |
| 4782 | strcpy (p, "vmresume"); |
| 4783 | break; |
| 4784 | case 4: |
| 4785 | strcpy (p, "vmxoff"); |
| 4786 | break; |
| 4787 | } |
| 4788 | |
| 4789 | codep++; |
| 4790 | } |
| 4791 | else |
| 4792 | OP_E (0, sizeflag); |
| 4793 | } |
| 4794 | |
| 4795 | static void |
| 4796 | OP_VMX (int bytemode, int sizeflag) |
| 4797 | { |
| 4798 | used_prefixes |= (prefixes & (PREFIX_DATA | PREFIX_REPZ)); |
| 4799 | if (prefixes & PREFIX_DATA) |
| 4800 | strcpy (obuf, "vmclear"); |
| 4801 | else if (prefixes & PREFIX_REPZ) |
| 4802 | strcpy (obuf, "vmxon"); |
| 4803 | else |
| 4804 | strcpy (obuf, "vmptrld"); |
| 4805 | OP_E (bytemode, sizeflag); |
| 4806 | } |
| 4807 | |
| 4808 | static void |
| 4809 | REP_Fixup (int bytemode, int sizeflag) |
| 4810 | { |
| 4811 | /* The 0xf3 prefix should be displayed as "rep" for ins, outs, movs, |
| 4812 | lods and stos. */ |
| 4813 | size_t ilen = 0; |
| 4814 | |
| 4815 | if (prefixes & PREFIX_REPZ) |
| 4816 | switch (*insn_codep) |
| 4817 | { |
| 4818 | case 0x6e: /* outsb */ |
| 4819 | case 0x6f: /* outsw/outsl */ |
| 4820 | case 0xa4: /* movsb */ |
| 4821 | case 0xa5: /* movsw/movsl/movsq */ |
| 4822 | if (!intel_syntax) |
| 4823 | ilen = 5; |
| 4824 | else |
| 4825 | ilen = 4; |
| 4826 | break; |
| 4827 | case 0xaa: /* stosb */ |
| 4828 | case 0xab: /* stosw/stosl/stosq */ |
| 4829 | case 0xac: /* lodsb */ |
| 4830 | case 0xad: /* lodsw/lodsl/lodsq */ |
| 4831 | if (!intel_syntax && (sizeflag & SUFFIX_ALWAYS)) |
| 4832 | ilen = 5; |
| 4833 | else |
| 4834 | ilen = 4; |
| 4835 | break; |
| 4836 | case 0x6c: /* insb */ |
| 4837 | case 0x6d: /* insl/insw */ |
| 4838 | if (!intel_syntax) |
| 4839 | ilen = 4; |
| 4840 | else |
| 4841 | ilen = 3; |
| 4842 | break; |
| 4843 | default: |
| 4844 | abort (); |
| 4845 | break; |
| 4846 | } |
| 4847 | |
| 4848 | if (ilen != 0) |
| 4849 | { |
| 4850 | size_t olen; |
| 4851 | char *p; |
| 4852 | |
| 4853 | olen = strlen (obuf); |
| 4854 | p = obuf + olen - ilen - 1 - 4; |
| 4855 | /* Handle "repz [addr16|addr32]". */ |
| 4856 | if ((prefixes & PREFIX_ADDR)) |
| 4857 | p -= 1 + 6; |
| 4858 | |
| 4859 | memmove (p + 3, p + 4, olen - (p + 3 - obuf)); |
| 4860 | } |
| 4861 | |
| 4862 | switch (bytemode) |
| 4863 | { |
| 4864 | case al_reg: |
| 4865 | case eAX_reg: |
| 4866 | case indir_dx_reg: |
| 4867 | OP_IMREG (bytemode, sizeflag); |
| 4868 | break; |
| 4869 | case eDI_reg: |
| 4870 | OP_ESreg (bytemode, sizeflag); |
| 4871 | break; |
| 4872 | case eSI_reg: |
| 4873 | OP_DSreg (bytemode, sizeflag); |
| 4874 | break; |
| 4875 | default: |
| 4876 | abort (); |
| 4877 | break; |
| 4878 | } |
| 4879 | } |