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Diffstat (limited to 'disas/i386.c')
| -rw-r--r-- | disas/i386.c | 6772 |
1 files changed, 0 insertions, 6772 deletions
diff --git a/disas/i386.c b/disas/i386.c deleted file mode 100644 index a557e678ec..0000000000 --- a/disas/i386.c +++ /dev/null @@ -1,6772 +0,0 @@ -/* opcodes/i386-dis.c r1.126 */ -/* Print i386 instructions for GDB, the GNU debugger. - Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. */ - -/* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu) - July 1988 - modified by John Hassey (hassey@dg-rtp.dg.com) - x86-64 support added by Jan Hubicka (jh@suse.cz) - VIA PadLock support by Michal Ludvig (mludvig@suse.cz). */ - -/* The main tables describing the instructions is essentially a copy - of the "Opcode Map" chapter (Appendix A) of the Intel 80386 - Programmers Manual. Usually, there is a capital letter, followed - by a small letter. The capital letter tell the addressing mode, - and the small letter tells about the operand size. Refer to - the Intel manual for details. */ - -#include "qemu/osdep.h" -#include "disas/bfd.h" -#include "qemu/cutils.h" - -/* include/opcode/i386.h r1.78 */ - -/* opcode/i386.h -- Intel 80386 opcode macros - Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 - Free Software Foundation, Inc. - - This file is part of GAS, the GNU Assembler, and GDB, the GNU Debugger. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. */ - -/* The SystemV/386 SVR3.2 assembler, and probably all AT&T derived - ix86 Unix assemblers, generate floating point instructions with - reversed source and destination registers in certain cases. - Unfortunately, gcc and possibly many other programs use this - reversed syntax, so we're stuck with it. - - eg. `fsub %st(3),%st' results in st = st - st(3) as expected, but - `fsub %st,%st(3)' results in st(3) = st - st(3), rather than - the expected st(3) = st(3) - st - - This happens with all the non-commutative arithmetic floating point - operations with two register operands, where the source register is - %st, and destination register is %st(i). - - The affected opcode map is dceX, dcfX, deeX, defX. */ - -#ifndef SYSV386_COMPAT -/* Set non-zero for broken, compatible instructions. Set to zero for - non-broken opcodes at your peril. gcc generates SystemV/386 - compatible instructions. */ -#define SYSV386_COMPAT 1 -#endif -#ifndef OLDGCC_COMPAT -/* Set non-zero to cater for old (<= 2.8.1) versions of gcc that could - generate nonsense fsubp, fsubrp, fdivp and fdivrp with operands - reversed. */ -#define OLDGCC_COMPAT SYSV386_COMPAT -#endif - -#define MOV_AX_DISP32 0xa0 -#define POP_SEG_SHORT 0x07 -#define JUMP_PC_RELATIVE 0xeb -#define INT_OPCODE 0xcd -#define INT3_OPCODE 0xcc -/* The opcode for the fwait instruction, which disassembler treats as a - prefix when it can. */ -#define FWAIT_OPCODE 0x9b -#define ADDR_PREFIX_OPCODE 0x67 -#define DATA_PREFIX_OPCODE 0x66 -#define LOCK_PREFIX_OPCODE 0xf0 -#define CS_PREFIX_OPCODE 0x2e -#define DS_PREFIX_OPCODE 0x3e -#define ES_PREFIX_OPCODE 0x26 -#define FS_PREFIX_OPCODE 0x64 -#define GS_PREFIX_OPCODE 0x65 -#define SS_PREFIX_OPCODE 0x36 -#define REPNE_PREFIX_OPCODE 0xf2 -#define REPE_PREFIX_OPCODE 0xf3 - -#define TWO_BYTE_OPCODE_ESCAPE 0x0f -#define NOP_OPCODE (char) 0x90 - -/* register numbers */ -#define EBP_REG_NUM 5 -#define ESP_REG_NUM 4 - -/* modrm_byte.regmem for twobyte escape */ -#define ESCAPE_TO_TWO_BYTE_ADDRESSING ESP_REG_NUM -/* index_base_byte.index for no index register addressing */ -#define NO_INDEX_REGISTER ESP_REG_NUM -/* index_base_byte.base for no base register addressing */ -#define NO_BASE_REGISTER EBP_REG_NUM -#define NO_BASE_REGISTER_16 6 - -/* modrm.mode = REGMEM_FIELD_HAS_REG when a register is in there */ -#define REGMEM_FIELD_HAS_REG 0x3/* always = 0x3 */ -#define REGMEM_FIELD_HAS_MEM (~REGMEM_FIELD_HAS_REG) - -/* x86-64 extension prefix. */ -#define REX_OPCODE 0x40 - -/* Indicates 64 bit operand size. */ -#define REX_W 8 -/* High extension to reg field of modrm byte. */ -#define REX_R 4 -/* High extension to SIB index field. */ -#define REX_X 2 -/* High extension to base field of modrm or SIB, or reg field of opcode. */ -#define REX_B 1 - -/* max operands per insn */ -#define MAX_OPERANDS 4 - -/* max immediates per insn (lcall, ljmp, insertq, extrq) */ -#define MAX_IMMEDIATE_OPERANDS 2 - -/* max memory refs per insn (string ops) */ -#define MAX_MEMORY_OPERANDS 2 - -/* max size of insn mnemonics. */ -#define MAX_MNEM_SIZE 16 - -/* max size of register name in insn mnemonics. */ -#define MAX_REG_NAME_SIZE 8 - -/* opcodes/i386-dis.c r1.126 */ -#include "qemu-common.h" - -static int fetch_data2(struct disassemble_info *, bfd_byte *); -static int fetch_data(struct disassemble_info *, bfd_byte *); -static void ckprefix (void); -static const char *prefix_name (int, int); -static int print_insn (bfd_vma, disassemble_info *); -static void dofloat (int); -static void OP_ST (int, int); -static void OP_STi (int, int); -static int putop (const char *, int); -static void oappend (const char *); -static void append_seg (void); -static void OP_indirE (int, int); -static void print_operand_value (char *buf, size_t bufsize, int hex, bfd_vma disp); -static void print_displacement (char *, bfd_vma); -static void OP_E (int, int); -static void OP_G (int, int); -static void OP_vvvv (int, int); -static bfd_vma get64 (void); -static bfd_signed_vma get32 (void); -static bfd_signed_vma get32s (void); -static int get16 (void); -static void set_op (bfd_vma, int); -static void OP_REG (int, int); -static void OP_IMREG (int, int); -static void OP_I (int, int); -static void OP_I64 (int, int); -static void OP_sI (int, int); -static void OP_J (int, int); -static void OP_SEG (int, int); -static void OP_DIR (int, int); -static void OP_OFF (int, int); -static void OP_OFF64 (int, int); -static void ptr_reg (int, int); -static void OP_ESreg (int, int); -static void OP_DSreg (int, int); -static void OP_C (int, int); -static void OP_D (int, int); -static void OP_T (int, int); -static void OP_R (int, int); -static void OP_MMX (int, int); -static void OP_XMM (int, int); -static void OP_EM (int, int); -static void OP_EX (int, int); -static void OP_EMC (int,int); -static void OP_MXC (int,int); -static void OP_MS (int, int); -static void OP_XS (int, int); -static void OP_M (int, int); -static void OP_VMX (int, int); -static void OP_0fae (int, int); -static void OP_0f07 (int, int); -static void NOP_Fixup1 (int, int); -static void NOP_Fixup2 (int, int); -static void OP_3DNowSuffix (int, int); -static void OP_SIMD_Suffix (int, int); -static void SIMD_Fixup (int, int); -static void PNI_Fixup (int, int); -static void SVME_Fixup (int, int); -static void INVLPG_Fixup (int, int); -static void BadOp (void); -static void VMX_Fixup (int, int); -static void REP_Fixup (int, int); -static void CMPXCHG8B_Fixup (int, int); -static void XMM_Fixup (int, int); -static void CRC32_Fixup (int, int); - -struct dis_private { - /* Points to first byte not fetched. */ - bfd_byte *max_fetched; - bfd_byte the_buffer[MAX_MNEM_SIZE]; - bfd_vma insn_start; - int orig_sizeflag; - sigjmp_buf bailout; -}; - -enum address_mode -{ - mode_16bit, - mode_32bit, - mode_64bit -}; - -static enum address_mode address_mode; - -/* Flags for the prefixes for the current instruction. See below. */ -static int prefixes; - -/* REX prefix the current instruction. See below. */ -static int rex; -/* Bits of REX we've already used. */ -static int rex_used; -/* Mark parts used in the REX prefix. When we are testing for - empty prefix (for 8bit register REX extension), just mask it - out. Otherwise test for REX bit is excuse for existence of REX - only in case value is nonzero. */ -#define USED_REX(value) \ - { \ - if (value) \ - { \ - if ((rex & value)) \ - rex_used |= (value) | REX_OPCODE; \ - } \ - else \ - rex_used |= REX_OPCODE; \ - } - -/* Flags for prefixes which we somehow handled when printing the - current instruction. */ -static int used_prefixes; - -/* The VEX.vvvv register, unencoded. */ -static int vex_reg; - -/* Flags stored in PREFIXES. */ -#define PREFIX_REPZ 1 -#define PREFIX_REPNZ 2 -#define PREFIX_LOCK 4 -#define PREFIX_CS 8 -#define PREFIX_SS 0x10 -#define PREFIX_DS 0x20 -#define PREFIX_ES 0x40 -#define PREFIX_FS 0x80 -#define PREFIX_GS 0x100 -#define PREFIX_DATA 0x200 -#define PREFIX_ADDR 0x400 -#define PREFIX_FWAIT 0x800 - -#define PREFIX_VEX_0F 0x1000 -#define PREFIX_VEX_0F38 0x2000 -#define PREFIX_VEX_0F3A 0x4000 - -/* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive) - to ADDR (exclusive) are valid. Returns 1 for success, longjmps - on error. */ -static int -fetch_data2(struct disassemble_info *info, bfd_byte *addr) -{ - int status; - struct dis_private *priv = (struct dis_private *) info->private_data; - bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer); - - if (addr <= priv->the_buffer + MAX_MNEM_SIZE) - status = (*info->read_memory_func) (start, - priv->max_fetched, - addr - priv->max_fetched, - info); - else - status = -1; - if (status != 0) - { - /* If we did manage to read at least one byte, then - print_insn_i386 will do something sensible. Otherwise, print - an error. We do that here because this is where we know - STATUS. */ - if (priv->max_fetched == priv->the_buffer) - (*info->memory_error_func) (status, start, info); - siglongjmp(priv->bailout, 1); - } - else - priv->max_fetched = addr; - return 1; -} - -static int -fetch_data(struct disassemble_info *info, bfd_byte *addr) -{ - if (addr <= ((struct dis_private *) (info->private_data))->max_fetched) { - return 1; - } else { - return fetch_data2(info, addr); - } -} - - -#define XX { NULL, 0 } - -#define Bv { OP_vvvv, v_mode } -#define Eb { OP_E, b_mode } -#define Ev { OP_E, v_mode } -#define Ed { OP_E, d_mode } -#define Edq { OP_E, dq_mode } -#define Edqw { OP_E, dqw_mode } -#define Edqb { OP_E, dqb_mode } -#define Edqd { OP_E, dqd_mode } -#define indirEv { OP_indirE, stack_v_mode } -#define indirEp { OP_indirE, f_mode } -#define stackEv { OP_E, stack_v_mode } -#define Em { OP_E, m_mode } -#define Ew { OP_E, w_mode } -#define M { OP_M, 0 } /* lea, lgdt, etc. */ -#define Ma { OP_M, v_mode } -#define Mp { OP_M, f_mode } /* 32 or 48 bit memory operand for LDS, LES etc */ -#define Mq { OP_M, q_mode } -#define Gb { OP_G, b_mode } -#define Gv { OP_G, v_mode } -#define Gd { OP_G, d_mode } -#define Gdq { OP_G, dq_mode } -#define Gm { OP_G, m_mode } -#define Gw { OP_G, w_mode } -#define Rd { OP_R, d_mode } -#define Rm { OP_R, m_mode } -#define Ib { OP_I, b_mode } -#define sIb { OP_sI, b_mode } /* sign extended byte */ -#define Iv { OP_I, v_mode } -#define Iq { OP_I, q_mode } -#define Iv64 { OP_I64, v_mode } -#define Iw { OP_I, w_mode } -#define I1 { OP_I, const_1_mode } -#define Jb { OP_J, b_mode } -#define Jv { OP_J, v_mode } -#define Cm { OP_C, m_mode } -#define Dm { OP_D, m_mode } -#define Td { OP_T, d_mode } - -#define RMeAX { OP_REG, eAX_reg } -#define RMeBX { OP_REG, eBX_reg } -#define RMeCX { OP_REG, eCX_reg } -#define RMeDX { OP_REG, eDX_reg } -#define RMeSP { OP_REG, eSP_reg } -#define RMeBP { OP_REG, eBP_reg } -#define RMeSI { OP_REG, eSI_reg } -#define RMeDI { OP_REG, eDI_reg } -#define RMrAX { OP_REG, rAX_reg } -#define RMrBX { OP_REG, rBX_reg } -#define RMrCX { OP_REG, rCX_reg } -#define RMrDX { OP_REG, rDX_reg } -#define RMrSP { OP_REG, rSP_reg } -#define RMrBP { OP_REG, rBP_reg } -#define RMrSI { OP_REG, rSI_reg } -#define RMrDI { OP_REG, rDI_reg } -#define RMAL { OP_REG, al_reg } -#define RMAL { OP_REG, al_reg } -#define RMCL { OP_REG, cl_reg } -#define RMDL { OP_REG, dl_reg } -#define RMBL { OP_REG, bl_reg } -#define RMAH { OP_REG, ah_reg } -#define RMCH { OP_REG, ch_reg } -#define RMDH { OP_REG, dh_reg } -#define RMBH { OP_REG, bh_reg } -#define RMAX { OP_REG, ax_reg } -#define RMDX { OP_REG, dx_reg } - -#define eAX { OP_IMREG, eAX_reg } -#define eBX { OP_IMREG, eBX_reg } -#define eCX { OP_IMREG, eCX_reg } -#define eDX { OP_IMREG, eDX_reg } -#define eSP { OP_IMREG, eSP_reg } -#define eBP { OP_IMREG, eBP_reg } -#define eSI { OP_IMREG, eSI_reg } -#define eDI { OP_IMREG, eDI_reg } -#define AL { OP_IMREG, al_reg } -#define CL { OP_IMREG, cl_reg } -#define DL { OP_IMREG, dl_reg } -#define BL { OP_IMREG, bl_reg } -#define AH { OP_IMREG, ah_reg } -#define CH { OP_IMREG, ch_reg } -#define DH { OP_IMREG, dh_reg } -#define BH { OP_IMREG, bh_reg } -#define AX { OP_IMREG, ax_reg } -#define DX { OP_IMREG, dx_reg } -#define zAX { OP_IMREG, z_mode_ax_reg } -#define indirDX { OP_IMREG, indir_dx_reg } - -#define Sw { OP_SEG, w_mode } -#define Sv { OP_SEG, v_mode } -#define Ap { OP_DIR, 0 } -#define Ob { OP_OFF64, b_mode } -#define Ov { OP_OFF64, v_mode } -#define Xb { OP_DSreg, eSI_reg } -#define Xv { OP_DSreg, eSI_reg } -#define Xz { OP_DSreg, eSI_reg } -#define Yb { OP_ESreg, eDI_reg } -#define Yv { OP_ESreg, eDI_reg } -#define DSBX { OP_DSreg, eBX_reg } - -#define es { OP_REG, es_reg } -#define ss { OP_REG, ss_reg } -#define cs { OP_REG, cs_reg } -#define ds { OP_REG, ds_reg } -#define fs { OP_REG, fs_reg } -#define gs { OP_REG, gs_reg } - -#define MX { OP_MMX, 0 } -#define XM { OP_XMM, 0 } -#define EM { OP_EM, v_mode } -#define EMd { OP_EM, d_mode } -#define EMq { OP_EM, q_mode } -#define EXd { OP_EX, d_mode } -#define EXq { OP_EX, q_mode } -#define EXx { OP_EX, x_mode } -#define MS { OP_MS, v_mode } -#define XS { OP_XS, v_mode } -#define EMC { OP_EMC, v_mode } -#define MXC { OP_MXC, 0 } -#define VM { OP_VMX, q_mode } -#define OPSUF { OP_3DNowSuffix, 0 } -#define OPSIMD { OP_SIMD_Suffix, 0 } -#define XMM0 { XMM_Fixup, 0 } - -/* Used handle "rep" prefix for string instructions. */ -#define Xbr { REP_Fixup, eSI_reg } -#define Xvr { REP_Fixup, eSI_reg } -#define Ybr { REP_Fixup, eDI_reg } -#define Yvr { REP_Fixup, eDI_reg } -#define Yzr { REP_Fixup, eDI_reg } -#define indirDXr { REP_Fixup, indir_dx_reg } -#define ALr { REP_Fixup, al_reg } -#define eAXr { REP_Fixup, eAX_reg } - -#define cond_jump_flag { NULL, cond_jump_mode } -#define loop_jcxz_flag { NULL, loop_jcxz_mode } - -/* bits in sizeflag */ -#define SUFFIX_ALWAYS 4 -#define AFLAG 2 -#define DFLAG 1 - -#define b_mode 1 /* byte operand */ -#define v_mode 2 /* operand size depends on prefixes */ -#define w_mode 3 /* word operand */ -#define d_mode 4 /* double word operand */ -#define q_mode 5 /* quad word operand */ -#define t_mode 6 /* ten-byte operand */ -#define x_mode 7 /* 16-byte XMM operand */ -#define m_mode 8 /* d_mode in 32bit, q_mode in 64bit mode. */ -#define cond_jump_mode 9 -#define loop_jcxz_mode 10 -#define dq_mode 11 /* operand size depends on REX prefixes. */ -#define dqw_mode 12 /* registers like dq_mode, memory like w_mode. */ -#define f_mode 13 /* 4- or 6-byte pointer operand */ -#define const_1_mode 14 -#define stack_v_mode 15 /* v_mode for stack-related opcodes. */ -#define z_mode 16 /* non-quad operand size depends on prefixes */ -#define o_mode 17 /* 16-byte operand */ -#define dqb_mode 18 /* registers like dq_mode, memory like b_mode. */ -#define dqd_mode 19 /* registers like dq_mode, memory like d_mode. */ - -#define es_reg 100 -#define cs_reg 101 -#define ss_reg 102 -#define ds_reg 103 -#define fs_reg 104 -#define gs_reg 105 - -#define eAX_reg 108 -#define eCX_reg 109 -#define eDX_reg 110 -#define eBX_reg 111 -#define eSP_reg 112 -#define eBP_reg 113 -#define eSI_reg 114 -#define eDI_reg 115 - -#define al_reg 116 -#define cl_reg 117 -#define dl_reg 118 -#define bl_reg 119 -#define ah_reg 120 -#define ch_reg 121 -#define dh_reg 122 -#define bh_reg 123 - -#define ax_reg 124 -#define cx_reg 125 -#define dx_reg 126 -#define bx_reg 127 -#define sp_reg 128 -#define bp_reg 129 -#define si_reg 130 -#define di_reg 131 - -#define rAX_reg 132 -#define rCX_reg 133 -#define rDX_reg 134 -#define rBX_reg 135 -#define rSP_reg 136 -#define rBP_reg 137 -#define rSI_reg 138 -#define rDI_reg 139 - -#define z_mode_ax_reg 149 -#define indir_dx_reg 150 - -#define FLOATCODE 1 -#define USE_GROUPS 2 -#define USE_PREFIX_USER_TABLE 3 -#define X86_64_SPECIAL 4 -#define IS_3BYTE_OPCODE 5 - -#define FLOAT NULL, { { NULL, FLOATCODE } } - -#define GRP1a NULL, { { NULL, USE_GROUPS }, { NULL, 0 } } -#define GRP1b NULL, { { NULL, USE_GROUPS }, { NULL, 1 } } -#define GRP1S NULL, { { NULL, USE_GROUPS }, { NULL, 2 } } -#define GRP1Ss NULL, { { NULL, USE_GROUPS }, { NULL, 3 } } -#define GRP2b NULL, { { NULL, USE_GROUPS }, { NULL, 4 } } -#define GRP2S NULL, { { NULL, USE_GROUPS }, { NULL, 5 } } -#define GRP2b_one NULL, { { NULL, USE_GROUPS }, { NULL, 6 } } -#define GRP2S_one NULL, { { NULL, USE_GROUPS }, { NULL, 7 } } -#define GRP2b_cl NULL, { { NULL, USE_GROUPS }, { NULL, 8 } } -#define GRP2S_cl NULL, { { NULL, USE_GROUPS }, { NULL, 9 } } -#define GRP3b NULL, { { NULL, USE_GROUPS }, { NULL, 10 } } -#define GRP3S NULL, { { NULL, USE_GROUPS }, { NULL, 11 } } -#define GRP4 NULL, { { NULL, USE_GROUPS }, { NULL, 12 } } -#define GRP5 NULL, { { NULL, USE_GROUPS }, { NULL, 13 } } -#define GRP6 NULL, { { NULL, USE_GROUPS }, { NULL, 14 } } -#define GRP7 NULL, { { NULL, USE_GROUPS }, { NULL, 15 } } -#define GRP8 NULL, { { NULL, USE_GROUPS }, { NULL, 16 } } -#define GRP9 NULL, { { NULL, USE_GROUPS }, { NULL, 17 } } -#define GRP11_C6 NULL, { { NULL, USE_GROUPS }, { NULL, 18 } } -#define GRP11_C7 NULL, { { NULL, USE_GROUPS }, { NULL, 19 } } -#define GRP12 NULL, { { NULL, USE_GROUPS }, { NULL, 20 } } -#define GRP13 NULL, { { NULL, USE_GROUPS }, { NULL, 21 } } -#define GRP14 NULL, { { NULL, USE_GROUPS }, { NULL, 22 } } -#define GRP15 NULL, { { NULL, USE_GROUPS }, { NULL, 23 } } -#define GRP16 NULL, { { NULL, USE_GROUPS }, { NULL, 24 } } -#define GRPAMD NULL, { { NULL, USE_GROUPS }, { NULL, 25 } } -#define GRPPADLCK1 NULL, { { NULL, USE_GROUPS }, { NULL, 26 } } -#define GRPPADLCK2 NULL, { { NULL, USE_GROUPS }, { NULL, 27 } } - -#define PREGRP0 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 0 } } -#define PREGRP1 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 1 } } -#define PREGRP2 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 2 } } -#define PREGRP3 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 3 } } -#define PREGRP4 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 4 } } -#define PREGRP5 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 5 } } -#define PREGRP6 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 6 } } -#define PREGRP7 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 7 } } -#define PREGRP8 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 8 } } -#define PREGRP9 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 9 } } -#define PREGRP10 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 10 } } -#define PREGRP11 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 11 } } -#define PREGRP12 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 12 } } -#define PREGRP13 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 13 } } -#define PREGRP14 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 14 } } -#define PREGRP15 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 15 } } -#define PREGRP16 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 16 } } -#define PREGRP17 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 17 } } -#define PREGRP18 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 18 } } -#define PREGRP19 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 19 } } -#define PREGRP20 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 20 } } -#define PREGRP21 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 21 } } -#define PREGRP22 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 22 } } -#define PREGRP23 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 23 } } -#define PREGRP24 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 24 } } -#define PREGRP25 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 25 } } -#define PREGRP26 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 26 } } -#define PREGRP27 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 27 } } -#define PREGRP28 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 28 } } -#define PREGRP29 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 29 } } -#define PREGRP30 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 30 } } -#define PREGRP31 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 31 } } -#define PREGRP32 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 32 } } -#define PREGRP33 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 33 } } -#define PREGRP34 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 34 } } -#define PREGRP35 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 35 } } -#define PREGRP36 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 36 } } -#define PREGRP37 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 37 } } -#define PREGRP38 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 38 } } -#define PREGRP39 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 39 } } -#define PREGRP40 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 40 } } -#define PREGRP41 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 41 } } -#define PREGRP42 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 42 } } -#define PREGRP43 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 43 } } -#define PREGRP44 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 44 } } -#define PREGRP45 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 45 } } -#define PREGRP46 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 46 } } -#define PREGRP47 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 47 } } -#define PREGRP48 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 48 } } -#define PREGRP49 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 49 } } -#define PREGRP50 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 50 } } -#define PREGRP51 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 51 } } -#define PREGRP52 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 52 } } -#define PREGRP53 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 53 } } -#define PREGRP54 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 54 } } -#define PREGRP55 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 55 } } -#define PREGRP56 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 56 } } -#define PREGRP57 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 57 } } -#define PREGRP58 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 58 } } -#define PREGRP59 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 59 } } -#define PREGRP60 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 60 } } -#define PREGRP61 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 61 } } -#define PREGRP62 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 62 } } -#define PREGRP63 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 63 } } -#define PREGRP64 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 64 } } -#define PREGRP65 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 65 } } -#define PREGRP66 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 66 } } -#define PREGRP67 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 67 } } -#define PREGRP68 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 68 } } -#define PREGRP69 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 69 } } -#define PREGRP70 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 70 } } -#define PREGRP71 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 71 } } -#define PREGRP72 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 72 } } -#define PREGRP73 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 73 } } -#define PREGRP74 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 74 } } -#define PREGRP75 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 75 } } -#define PREGRP76 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 76 } } -#define PREGRP77 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 77 } } -#define PREGRP78 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 78 } } -#define PREGRP79 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 79 } } -#define PREGRP80 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 80 } } -#define PREGRP81 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 81 } } -#define PREGRP82 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 82 } } -#define PREGRP83 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 83 } } -#define PREGRP84 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 84 } } -#define PREGRP85 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 85 } } -#define PREGRP86 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 86 } } -#define PREGRP87 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 87 } } -#define PREGRP88 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 88 } } -#define PREGRP89 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 89 } } -#define PREGRP90 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 90 } } -#define PREGRP91 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 91 } } -#define PREGRP92 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 92 } } -#define PREGRP93 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 93 } } -#define PREGRP94 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 94 } } -#define PREGRP95 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 95 } } -#define PREGRP96 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 96 } } -#define PREGRP97 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 97 } } -#define PREGRP98 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 98 } } -#define PREGRP99 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 99 } } -#define PREGRP100 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 100 } } -#define PREGRP101 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 101 } } -#define PREGRP102 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 102 } } -#define PREGRP103 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 103 } } -#define PREGRP104 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 104 } } -#define PREGRP105 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 105 } } -#define PREGRP106 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 106 } } -#define PREGRP107 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 107 } } -#define PREGRP108 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 108 } } -#define PREGRP109 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 109 } } - -#define X86_64_0 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 0 } } -#define X86_64_1 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 1 } } -#define X86_64_2 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 2 } } -#define X86_64_3 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 3 } } - -#define THREE_BYTE_0 NULL, { { NULL, IS_3BYTE_OPCODE }, { NULL, 0 } } -#define THREE_BYTE_1 NULL, { { NULL, IS_3BYTE_OPCODE }, { NULL, 1 } } - -typedef void (*op_rtn) (int bytemode, int sizeflag); - -struct dis386 { - const char *name; - struct - { - op_rtn rtn; - int bytemode; - } op[MAX_OPERANDS]; -}; - -/* Upper case letters in the instruction names here are macros. - 'A' => print 'b' if no register operands or suffix_always is true - 'B' => print 'b' if suffix_always is true - 'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand - . size prefix - 'D' => print 'w' if no register operands or 'w', 'l' or 'q', if - . suffix_always is true - 'E' => print 'e' if 32-bit form of jcxz - 'F' => print 'w' or 'l' depending on address size prefix (loop insns) - 'G' => print 'w' or 'l' depending on operand size prefix (i/o insns) - 'H' => print ",pt" or ",pn" branch hint - 'I' => honor following macro letter even in Intel mode (implemented only - . for some of the macro letters) - 'J' => print 'l' - 'K' => print 'd' or 'q' if rex prefix is present. - 'L' => print 'l' if suffix_always is true - 'N' => print 'n' if instruction has no wait "prefix" - 'O' => print 'd' or 'o' (or 'q' in Intel mode) - 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix, - . or suffix_always is true. print 'q' if rex prefix is present. - 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always - . is true - 'R' => print 'w', 'l' or 'q' ('d' for 'l' and 'e' in Intel mode) - 'S' => print 'w', 'l' or 'q' if suffix_always is true - 'T' => print 'q' in 64bit mode and behave as 'P' otherwise - 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise - 'V' => print 'q' in 64bit mode and behave as 'S' otherwise - 'W' => print 'b', 'w' or 'l' ('d' in Intel mode) - 'X' => print 's', 'd' depending on data16 prefix (for XMM) - 'Y' => 'q' if instruction has an REX 64bit overwrite prefix - 'Z' => print 'q' in 64bit mode and behave as 'L' otherwise - - Many of the above letters print nothing in Intel mode. See "putop" - for the details. - - Braces '{' and '}', and vertical bars '|', indicate alternative - mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel - modes. In cases where there are only two alternatives, the X86_64 - instruction is reserved, and "(bad)" is printed. -*/ - -static const struct dis386 dis386[] = { - /* 00 */ - { "addB", { Eb, Gb } }, - { "addS", { Ev, Gv } }, - { "addB", { Gb, Eb } }, - { "addS", { Gv, Ev } }, - { "addB", { AL, Ib } }, - { "addS", { eAX, Iv } }, - { "push{T|}", { es } }, - { "pop{T|}", { es } }, - /* 08 */ - { "orB", { Eb, Gb } }, - { "orS", { Ev, Gv } }, - { "orB", { Gb, Eb } }, - { "orS", { Gv, Ev } }, - { "orB", { AL, Ib } }, - { "orS", { eAX, Iv } }, - { "push{T|}", { cs } }, - { "(bad)", { XX } }, /* 0x0f extended opcode escape */ - /* 10 */ - { "adcB", { Eb, Gb } }, - { "adcS", { Ev, Gv } }, - { "adcB", { Gb, Eb } }, - { "adcS", { Gv, Ev } }, - { "adcB", { AL, Ib } }, - { "adcS", { eAX, Iv } }, - { "push{T|}", { ss } }, - { "pop{T|}", { ss } }, - /* 18 */ - { "sbbB", { Eb, Gb } }, - { "sbbS", { Ev, Gv } }, - { "sbbB", { Gb, Eb } }, - { "sbbS", { Gv, Ev } }, - { "sbbB", { AL, Ib } }, - { "sbbS", { eAX, Iv } }, - { "push{T|}", { ds } }, - { "pop{T|}", { ds } }, - /* 20 */ - { "andB", { Eb, Gb } }, - { "andS", { Ev, Gv } }, - { "andB", { Gb, Eb } }, - { "andS", { Gv, Ev } }, - { "andB", { AL, Ib } }, - { "andS", { eAX, Iv } }, - { "(bad)", { XX } }, /* SEG ES prefix */ - { "daa{|}", { XX } }, - /* 28 */ - { "subB", { Eb, Gb } }, - { "subS", { Ev, Gv } }, - { "subB", { Gb, Eb } }, - { "subS", { Gv, Ev } }, - { "subB", { AL, Ib } }, - { "subS", { eAX, Iv } }, - { "(bad)", { XX } }, /* SEG CS prefix */ - { "das{|}", { XX } }, - /* 30 */ - { "xorB", { Eb, Gb } }, - { "xorS", { Ev, Gv } }, - { "xorB", { Gb, Eb } }, - { "xorS", { Gv, Ev } }, - { "xorB", { AL, Ib } }, - { "xorS", { eAX, Iv } }, - { "(bad)", { XX } }, /* SEG SS prefix */ - { "aaa{|}", { XX } }, - /* 38 */ - { "cmpB", { Eb, Gb } }, - { "cmpS", { Ev, Gv } }, - { "cmpB", { Gb, Eb } }, - { "cmpS", { Gv, Ev } }, - { "cmpB", { AL, Ib } }, - { "cmpS", { eAX, Iv } }, - { "(bad)", { XX } }, /* SEG DS prefix */ - { "aas{|}", { XX } }, - /* 40 */ - { "inc{S|}", { RMeAX } }, - { "inc{S|}", { RMeCX } }, - { "inc{S|}", { RMeDX } }, - { "inc{S|}", { RMeBX } }, - { "inc{S|}", { RMeSP } }, - { "inc{S|}", { RMeBP } }, - { "inc{S|}", { RMeSI } }, - { "inc{S|}", { RMeDI } }, - /* 48 */ - { "dec{S|}", { RMeAX } }, - { "dec{S|}", { RMeCX } }, - { "dec{S|}", { RMeDX } }, - { "dec{S|}", { RMeBX } }, - { "dec{S|}", { RMeSP } }, - { "dec{S|}", { RMeBP } }, - { "dec{S|}", { RMeSI } }, - { "dec{S|}", { RMeDI } }, - /* 50 */ - { "pushV", { RMrAX } }, - { "pushV", { RMrCX } }, - { "pushV", { RMrDX } }, - { "pushV", { RMrBX } }, - { "pushV", { RMrSP } }, - { "pushV", { RMrBP } }, - { "pushV", { RMrSI } }, - { "pushV", { RMrDI } }, - /* 58 */ - { "popV", { RMrAX } }, - { "popV", { RMrCX } }, - { "popV", { RMrDX } }, - { "popV", { RMrBX } }, - { "popV", { RMrSP } }, - { "popV", { RMrBP } }, - { "popV", { RMrSI } }, - { "popV", { RMrDI } }, - /* 60 */ - { X86_64_0 }, - { X86_64_1 }, - { X86_64_2 }, - { X86_64_3 }, - { "(bad)", { XX } }, /* seg fs */ - { "(bad)", { XX } }, /* seg gs */ - { "(bad)", { XX } }, /* op size prefix */ - { "(bad)", { XX } }, /* adr size prefix */ - /* 68 */ - { "pushT", { Iq } }, - { "imulS", { Gv, Ev, Iv } }, - { "pushT", { sIb } }, - { "imulS", { Gv, Ev, sIb } }, - { "ins{b||b|}", { Ybr, indirDX } }, - { "ins{R||G|}", { Yzr, indirDX } }, - { "outs{b||b|}", { indirDXr, Xb } }, - { "outs{R||G|}", { indirDXr, Xz } }, - /* 70 */ - { "joH", { Jb, XX, cond_jump_flag } }, - { "jnoH", { Jb, XX, cond_jump_flag } }, - { "jbH", { Jb, XX, cond_jump_flag } }, - { "jaeH", { Jb, XX, cond_jump_flag } }, - { "jeH", { Jb, XX, cond_jump_flag } }, - { "jneH", { Jb, XX, cond_jump_flag } }, - { "jbeH", { Jb, XX, cond_jump_flag } }, - { "jaH", { Jb, XX, cond_jump_flag } }, - /* 78 */ - { "jsH", { Jb, XX, cond_jump_flag } }, - { "jnsH", { Jb, XX, cond_jump_flag } }, - { "jpH", { Jb, XX, cond_jump_flag } }, - { "jnpH", { Jb, XX, cond_jump_flag } }, - { "jlH", { Jb, XX, cond_jump_flag } }, - { "jgeH", { Jb, XX, cond_jump_flag } }, - { "jleH", { Jb, XX, cond_jump_flag } }, - { "jgH", { Jb, XX, cond_jump_flag } }, - /* 80 */ - { GRP1b }, - { GRP1S }, - { "(bad)", { XX } }, - { GRP1Ss }, - { "testB", { Eb, Gb } }, - { "testS", { Ev, Gv } }, - { "xchgB", { Eb, Gb } }, - { "xchgS", { Ev, Gv } }, - /* 88 */ - { "movB", { Eb, Gb } }, - { "movS", { Ev, Gv } }, - { "movB", { Gb, Eb } }, - { "movS", { Gv, Ev } }, - { "movD", { Sv, Sw } }, - { "leaS", { Gv, M } }, - { "movD", { Sw, Sv } }, - { GRP1a }, - /* 90 */ - { PREGRP38 }, - { "xchgS", { RMeCX, eAX } }, - { "xchgS", { RMeDX, eAX } }, - { "xchgS", { RMeBX, eAX } }, - { "xchgS", { RMeSP, eAX } }, - { "xchgS", { RMeBP, eAX } }, - { "xchgS", { RMeSI, eAX } }, - { "xchgS", { RMeDI, eAX } }, - /* 98 */ - { "cW{t||t|}R", { XX } }, - { "cR{t||t|}O", { XX } }, - { "Jcall{T|}", { Ap } }, - { "(bad)", { XX } }, /* fwait */ - { "pushfT", { XX } }, - { "popfT", { XX } }, - { "sahf{|}", { XX } }, - { "lahf{|}", { XX } }, - /* a0 */ - { "movB", { AL, Ob } }, - { "movS", { eAX, Ov } }, - { "movB", { Ob, AL } }, - { "movS", { Ov, eAX } }, - { "movs{b||b|}", { Ybr, Xb } }, - { "movs{R||R|}", { Yvr, Xv } }, - { "cmps{b||b|}", { Xb, Yb } }, - { "cmps{R||R|}", { Xv, Yv } }, - /* a8 */ - { "testB", { AL, Ib } }, - { "testS", { eAX, Iv } }, - { "stosB", { Ybr, AL } }, - { "stosS", { Yvr, eAX } }, - { "lodsB", { ALr, Xb } }, - { "lodsS", { eAXr, Xv } }, - { "scasB", { AL, Yb } }, - { "scasS", { eAX, Yv } }, - /* b0 */ - { "movB", { RMAL, Ib } }, - { "movB", { RMCL, Ib } }, - { "movB", { RMDL, Ib } }, - { "movB", { RMBL, Ib } }, - { "movB", { RMAH, Ib } }, - { "movB", { RMCH, Ib } }, - { "movB", { RMDH, Ib } }, - { "movB", { RMBH, Ib } }, - /* b8 */ - { "movS", { RMeAX, Iv64 } }, - { "movS", { RMeCX, Iv64 } }, - { "movS", { RMeDX, Iv64 } }, - { "movS", { RMeBX, Iv64 } }, - { "movS", { RMeSP, Iv64 } }, - { "movS", { RMeBP, Iv64 } }, - { "movS", { RMeSI, Iv64 } }, - { "movS", { RMeDI, Iv64 } }, - /* c0 */ - { GRP2b }, - { GRP2S }, - { "retT", { Iw } }, - { "retT", { XX } }, - { "les{S|}", { Gv, Mp } }, - { "ldsS", { Gv, Mp } }, - { GRP11_C6 }, - { GRP11_C7 }, - /* c8 */ - { "enterT", { Iw, Ib } }, - { "leaveT", { XX } }, - { "lretP", { Iw } }, - { "lretP", { XX } }, - { "int3", { XX } }, - { "int", { Ib } }, - { "into{|}", { XX } }, - { "iretP", { XX } }, - /* d0 */ - { GRP2b_one }, - { GRP2S_one }, - { GRP2b_cl }, - { GRP2S_cl }, - { "aam{|}", { sIb } }, - { "aad{|}", { sIb } }, - { "(bad)", { XX } }, - { "xlat", { DSBX } }, - /* d8 */ - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - /* e0 */ - { "loopneFH", { Jb, XX, loop_jcxz_flag } }, - { "loopeFH", { Jb, XX, loop_jcxz_flag } }, - { "loopFH", { Jb, XX, loop_jcxz_flag } }, - { "jEcxzH", { Jb, XX, loop_jcxz_flag } }, - { "inB", { AL, Ib } }, - { "inG", { zAX, Ib } }, - { "outB", { Ib, AL } }, - { "outG", { Ib, zAX } }, - /* e8 */ - { "callT", { Jv } }, - { "jmpT", { Jv } }, - { "Jjmp{T|}", { Ap } }, - { "jmp", { Jb } }, - { "inB", { AL, indirDX } }, - { "inG", { zAX, indirDX } }, - { "outB", { indirDX, AL } }, - { "outG", { indirDX, zAX } }, - /* f0 */ - { "(bad)", { XX } }, /* lock prefix */ - { "icebp", { XX } }, - { "(bad)", { XX } }, /* repne */ - { "(bad)", { XX } }, /* repz */ - { "hlt", { XX } }, - { "cmc", { XX } }, - { GRP3b }, - { GRP3S }, - /* f8 */ - { "clc", { XX } }, - { "stc", { XX } }, - { "cli", { XX } }, - { "sti", { XX } }, - { "cld", { XX } }, - { "std", { XX } }, - { GRP4 }, - { GRP5 }, -}; - -static const struct dis386 dis386_twobyte[] = { - /* 00 */ - { GRP6 }, - { GRP7 }, - { "larS", { Gv, Ew } }, - { "lslS", { Gv, Ew } }, - { "(bad)", { XX } }, - { "syscall", { XX } }, - { "clts", { XX } }, - { "sysretP", { XX } }, - /* 08 */ - { "invd", { XX } }, - { "wbinvd", { XX } }, - { "(bad)", { XX } }, - { "ud2a", { XX } }, - { "(bad)", { XX } }, - { GRPAMD }, - { "femms", { XX } }, - { "", { MX, EM, OPSUF } }, /* See OP_3DNowSuffix. */ - /* 10 */ - { PREGRP8 }, - { PREGRP9 }, - { PREGRP30 }, - { "movlpX", { EXq, XM, { SIMD_Fixup, 'h' } } }, - { "unpcklpX", { XM, EXq } }, - { "unpckhpX", { XM, EXq } }, - { PREGRP31 }, - { "movhpX", { EXq, XM, { SIMD_Fixup, 'l' } } }, - /* 18 */ - { GRP16 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "nopQ", { Ev } }, - /* 20 */ - { "movZ", { Rm, Cm } }, - { "movZ", { Rm, Dm } }, - { "movZ", { Cm, Rm } }, - { "movZ", { Dm, Rm } }, - { "movL", { Rd, Td } }, - { "(bad)", { XX } }, - { "movL", { Td, Rd } }, - { "(bad)", { XX } }, - /* 28 */ - { "movapX", { XM, EXx } }, - { "movapX", { EXx, XM } }, - { PREGRP2 }, - { PREGRP33 }, - { PREGRP4 }, - { PREGRP3 }, - { PREGRP93 }, - { PREGRP94 }, - /* 30 */ - { "wrmsr", { XX } }, - { "rdtsc", { XX } }, - { "rdmsr", { XX } }, - { "rdpmc", { XX } }, - { "sysenter", { XX } }, - { "sysexit", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 38 */ - { THREE_BYTE_0 }, - { "(bad)", { XX } }, - { THREE_BYTE_1 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 40 */ - { "cmovo", { Gv, Ev } }, - { "cmovno", { Gv, Ev } }, - { "cmovb", { Gv, Ev } }, - { "cmovae", { Gv, Ev } }, - { "cmove", { Gv, Ev } }, - { "cmovne", { Gv, Ev } }, - { "cmovbe", { Gv, Ev } }, - { "cmova", { Gv, Ev } }, - /* 48 */ - { "cmovs", { Gv, Ev } }, - { "cmovns", { Gv, Ev } }, - { "cmovp", { Gv, Ev } }, - { "cmovnp", { Gv, Ev } }, - { "cmovl", { Gv, Ev } }, - { "cmovge", { Gv, Ev } }, - { "cmovle", { Gv, Ev } }, - { "cmovg", { Gv, Ev } }, - /* 50 */ - { "movmskpX", { Gdq, XS } }, - { PREGRP13 }, - { PREGRP12 }, - { PREGRP11 }, - { "andpX", { XM, EXx } }, - { "andnpX", { XM, EXx } }, - { "orpX", { XM, EXx } }, - { "xorpX", { XM, EXx } }, - /* 58 */ - { PREGRP0 }, - { PREGRP10 }, - { PREGRP17 }, - { PREGRP16 }, - { PREGRP14 }, - { PREGRP7 }, - { PREGRP5 }, - { PREGRP6 }, - /* 60 */ - { PREGRP95 }, - { PREGRP96 }, - { PREGRP97 }, - { "packsswb", { MX, EM } }, - { "pcmpgtb", { MX, EM } }, - { "pcmpgtw", { MX, EM } }, - { "pcmpgtd", { MX, EM } }, - { "packuswb", { MX, EM } }, - /* 68 */ - { "punpckhbw", { MX, EM } }, - { "punpckhwd", { MX, EM } }, - { "punpckhdq", { MX, EM } }, - { "packssdw", { MX, EM } }, - { PREGRP26 }, - { PREGRP24 }, - { "movd", { MX, Edq } }, - { PREGRP19 }, - /* 70 */ - { PREGRP22 }, - { GRP12 }, - { GRP13 }, - { GRP14 }, - { "pcmpeqb", { MX, EM } }, - { "pcmpeqw", { MX, EM } }, - { "pcmpeqd", { MX, EM } }, - { "emms", { XX } }, - /* 78 */ - { PREGRP34 }, - { PREGRP35 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { PREGRP28 }, - { PREGRP29 }, - { PREGRP23 }, - { PREGRP20 }, - /* 80 */ - { "joH", { Jv, XX, cond_jump_flag } }, - { "jnoH", { Jv, XX, cond_jump_flag } }, - { "jbH", { Jv, XX, cond_jump_flag } }, - { "jaeH", { Jv, XX, cond_jump_flag } }, - { "jeH", { Jv, XX, cond_jump_flag } }, - { "jneH", { Jv, XX, cond_jump_flag } }, - { "jbeH", { Jv, XX, cond_jump_flag } }, - { "jaH", { Jv, XX, cond_jump_flag } }, - /* 88 */ - { "jsH", { Jv, XX, cond_jump_flag } }, - { "jnsH", { Jv, XX, cond_jump_flag } }, - { "jpH", { Jv, XX, cond_jump_flag } }, - { "jnpH", { Jv, XX, cond_jump_flag } }, - { "jlH", { Jv, XX, cond_jump_flag } }, - { "jgeH", { Jv, XX, cond_jump_flag } }, - { "jleH", { Jv, XX, cond_jump_flag } }, - { "jgH", { Jv, XX, cond_jump_flag } }, - /* 90 */ - { "seto", { Eb } }, - { "setno", { Eb } }, - { "setb", { Eb } }, - { "setae", { Eb } }, - { "sete", { Eb } }, - { "setne", { Eb } }, - { "setbe", { Eb } }, - { "seta", { Eb } }, - /* 98 */ - { "sets", { Eb } }, - { "setns", { Eb } }, - { "setp", { Eb } }, - { "setnp", { Eb } }, - { "setl", { Eb } }, - { "setge", { Eb } }, - { "setle", { Eb } }, - { "setg", { Eb } }, - /* a0 */ - { "pushT", { fs } }, - { "popT", { fs } }, - { "cpuid", { XX } }, - { "btS", { Ev, Gv } }, - { "shldS", { Ev, Gv, Ib } }, - { "shldS", { Ev, Gv, CL } }, - { GRPPADLCK2 }, - { GRPPADLCK1 }, - /* a8 */ - { "pushT", { gs } }, - { "popT", { gs } }, - { "rsm", { XX } }, - { "btsS", { Ev, Gv } }, - { "shrdS", { Ev, Gv, Ib } }, - { "shrdS", { Ev, Gv, CL } }, - { GRP15 }, - { "imulS", { Gv, Ev } }, - /* b0 */ - { "cmpxchgB", { Eb, Gb } }, - { "cmpxchgS", { Ev, Gv } }, - { "lssS", { Gv, Mp } }, - { "btrS", { Ev, Gv } }, - { "lfsS", { Gv, Mp } }, - { "lgsS", { Gv, Mp } }, - { "movz{bR|x|bR|x}", { Gv, Eb } }, - { "movz{wR|x|wR|x}", { Gv, Ew } }, /* yes, there really is movzww ! */ - /* b8 */ - { PREGRP37 }, - { "ud2b", { XX } }, - { GRP8 }, - { "btcS", { Ev, Gv } }, - { PREGRP107 }, - { PREGRP36 }, - { "movs{bR|x|bR|x}", { Gv, Eb } }, - { "movs{wR|x|wR|x}", { Gv, Ew } }, /* yes, there really is movsww ! */ - /* c0 */ - { "xaddB", { Eb, Gb } }, - { "xaddS", { Ev, Gv } }, - { PREGRP1 }, - { "movntiS", { Ev, Gv } }, - { "pinsrw", { MX, Edqw, Ib } }, - { "pextrw", { Gdq, MS, Ib } }, - { "shufpX", { XM, EXx, Ib } }, - { GRP9 }, - /* c8 */ - { "bswap", { RMeAX } }, - { "bswap", { RMeCX } }, - { "bswap", { RMeDX } }, - { "bswap", { RMeBX } }, - { "bswap", { RMeSP } }, - { "bswap", { RMeBP } }, - { "bswap", { RMeSI } }, - { "bswap", { RMeDI } }, - /* d0 */ - { PREGRP27 }, - { "psrlw", { MX, EM } }, - { "psrld", { MX, EM } }, - { "psrlq", { MX, EM } }, - { "paddq", { MX, EM } }, - { "pmullw", { MX, EM } }, - { PREGRP21 }, - { "pmovmskb", { Gdq, MS } }, - /* d8 */ - { "psubusb", { MX, EM } }, - { "psubusw", { MX, EM } }, - { "pminub", { MX, EM } }, - { "pand", { MX, EM } }, - { "paddusb", { MX, EM } }, - { "paddusw", { MX, EM } }, - { "pmaxub", { MX, EM } }, - { "pandn", { MX, EM } }, - /* e0 */ - { "pavgb", { MX, EM } }, - { "psraw", { MX, EM } }, - { "psrad", { MX, EM } }, - { "pavgw", { MX, EM } }, - { "pmulhuw", { MX, EM } }, - { "pmulhw", { MX, EM } }, - { PREGRP15 }, - { PREGRP25 }, - /* e8 */ - { "psubsb", { MX, EM } }, - { "psubsw", { MX, EM } }, - { "pminsw", { MX, EM } }, - { "por", { MX, EM } }, - { "paddsb", { MX, EM } }, - { "paddsw", { MX, EM } }, - { "pmaxsw", { MX, EM } }, - { "pxor", { MX, EM } }, - /* f0 */ - { PREGRP32 }, - { "psllw", { MX, EM } }, - { "pslld", { MX, EM } }, - { "psllq", { MX, EM } }, - { "pmuludq", { MX, EM } }, - { "pmaddwd", { MX, EM } }, - { "psadbw", { MX, EM } }, - { PREGRP18 }, - /* f8 */ - { "psubb", { MX, EM } }, - { "psubw", { MX, EM } }, - { "psubd", { MX, EM } }, - { "psubq", { MX, EM } }, - { "paddb", { MX, EM } }, - { "paddw", { MX, EM } }, - { "paddd", { MX, EM } }, - { "(bad)", { XX } }, -}; - -static const unsigned char onebyte_has_modrm[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */ - /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */ - /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */ - /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */ - /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */ - /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */ - /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */ - /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */ - /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */ - /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */ - /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */ - /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */ - /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -static const unsigned char twobyte_has_modrm[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */ - /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,1, /* 1f */ - /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */ - /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ - /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */ - /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */ - /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */ - /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */ - /* b0 */ 1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1, /* bf */ - /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */ - /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */ - /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -static const unsigned char twobyte_uses_DATA_prefix[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ - /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */ - /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */ - /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ - /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */ - /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */ - /* 70 */ 1,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ - /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ - /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -static const unsigned char twobyte_uses_REPNZ_prefix[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ - /* 10 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ - /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ - /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ - /* 50 */ 0,1,0,0,0,0,0,0,1,1,1,0,1,1,1,1, /* 5f */ - /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ - /* 70 */ 1,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ - /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ - /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -static const unsigned char twobyte_uses_REPZ_prefix[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ - /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */ - /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ - /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ - /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */ - /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, /* 6f */ - /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ - /* b0 */ 0,0,0,0,0,0,0,0,1,0,0,0,1,1,0,0, /* bf */ - /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ - /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -/* This is used to determine if opcode 0f 38 XX uses DATA prefix. */ -static const unsigned char threebyte_0x38_uses_DATA_prefix[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0, /* 0f */ - /* 10 */ 1,0,0,0,1,1,0,1,0,0,0,0,1,1,1,0, /* 1f */ - /* 20 */ 1,1,1,1,1,1,0,0,1,1,1,1,0,0,0,0, /* 2f */ - /* 30 */ 1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1, /* 3f */ - /* 40 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ - /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ - /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ - /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ - /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1, /* df */ - /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0, /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -/* This is used to determine if opcode 0f 38 XX uses REPNZ prefix. */ -static const unsigned char threebyte_0x38_uses_REPNZ_prefix[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ - /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ - /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ - /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ - /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ - /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ - /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ - /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ - /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 1,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0, /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -/* This is used to determine if opcode 0f 38 XX uses REPZ prefix. */ -static const unsigned char threebyte_0x38_uses_REPZ_prefix[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ - /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ - /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ - /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ - /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ - /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ - /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ - /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ - /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0, /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -/* This is used to determine if opcode 0f 3a XX uses DATA prefix. */ -static const unsigned char threebyte_0x3a_uses_DATA_prefix[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1, /* 0f */ - /* 10 */ 0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* 1f */ - /* 20 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ - /* 40 */ 1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ - /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ - /* 60 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ - /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ - /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, /* df */ - /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -/* This is used to determine if opcode 0f 3a XX uses REPNZ prefix. */ -static const unsigned char threebyte_0x3a_uses_REPNZ_prefix[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ - /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ - /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ - /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ - /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ - /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ - /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ - /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ - /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -/* This is used to determine if opcode 0f 3a XX uses REPZ prefix. */ -static const unsigned char threebyte_0x3a_uses_REPZ_prefix[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ - /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ - /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ - /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ - /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ - /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ - /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ - /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ - /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ - /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ - /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -static char obuf[100]; -static char *obufp; -static char scratchbuf[100]; -static unsigned char *start_codep; -static unsigned char *insn_codep; -static unsigned char *codep; -static disassemble_info *the_info; -static struct - { - int mod; - int reg; - int rm; - } -modrm; -static unsigned char need_modrm; - -/* If we are accessing mod/rm/reg without need_modrm set, then the - values are stale. Hitting this abort likely indicates that you - need to update onebyte_has_modrm or twobyte_has_modrm. */ -#define MODRM_CHECK if (!need_modrm) abort () - -static const char * const *names64; -static const char * const *names32; -static const char * const *names16; -static const char * const *names8; -static const char * const *names8rex; -static const char * const *names_seg; -static const char * const *index16; - -static const char * const intel_names64[] = { - "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", - "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" -}; -static const char * const intel_names32[] = { - "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", - "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" -}; -static const char * const intel_names16[] = { - "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", - "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w" -}; -static const char * const intel_names8[] = { - "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh", -}; -static const char * const intel_names8rex[] = { - "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil", - "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b" -}; -static const char * const intel_names_seg[] = { - "es", "cs", "ss", "ds", "fs", "gs", "?", "?", -}; -static const char * const intel_index16[] = { - "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx" -}; - -static const char * const att_names64[] = { - "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", - "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" -}; -static const char * const att_names32[] = { - "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", - "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" -}; -static const char * const att_names16[] = { - "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", - "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" -}; -static const char * const att_names8[] = { - "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", -}; -static const char * const att_names8rex[] = { - "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", - "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" -}; -static const char * const att_names_seg[] = { - "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?", -}; -static const char * const att_index16[] = { - "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx" -}; - -static const struct dis386 grps[][8] = { - /* GRP1a */ - { - { "popU", { stackEv } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* GRP1b */ - { - { "addA", { Eb, Ib } }, - { "orA", { Eb, Ib } }, - { "adcA", { Eb, Ib } }, - { "sbbA", { Eb, Ib } }, - { "andA", { Eb, Ib } }, - { "subA", { Eb, Ib } }, - { "xorA", { Eb, Ib } }, - { "cmpA", { Eb, Ib } }, - }, - /* GRP1S */ - { - { "addQ", { Ev, Iv } }, - { "orQ", { Ev, Iv } }, - { "adcQ", { Ev, Iv } }, - { "sbbQ", { Ev, Iv } }, - { "andQ", { Ev, Iv } }, - { "subQ", { Ev, Iv } }, - { "xorQ", { Ev, Iv } }, - { "cmpQ", { Ev, Iv } }, - }, - /* GRP1Ss */ - { - { "addQ", { Ev, sIb } }, - { "orQ", { Ev, sIb } }, - { "adcQ", { Ev, sIb } }, - { "sbbQ", { Ev, sIb } }, - { "andQ", { Ev, sIb } }, - { "subQ", { Ev, sIb } }, - { "xorQ", { Ev, sIb } }, - { "cmpQ", { Ev, sIb } }, - }, - /* GRP2b */ - { - { "rolA", { Eb, Ib } }, - { "rorA", { Eb, Ib } }, - { "rclA", { Eb, Ib } }, - { "rcrA", { Eb, Ib } }, - { "shlA", { Eb, Ib } }, - { "shrA", { Eb, Ib } }, - { "(bad)", { XX } }, - { "sarA", { Eb, Ib } }, - }, - /* GRP2S */ - { - { "rolQ", { Ev, Ib } }, - { "rorQ", { Ev, Ib } }, - { "rclQ", { Ev, Ib } }, - { "rcrQ", { Ev, Ib } }, - { "shlQ", { Ev, Ib } }, - { "shrQ", { Ev, Ib } }, - { "(bad)", { XX } }, - { "sarQ", { Ev, Ib } }, - }, - /* GRP2b_one */ - { - { "rolA", { Eb, I1 } }, - { "rorA", { Eb, I1 } }, - { "rclA", { Eb, I1 } }, - { "rcrA", { Eb, I1 } }, - { "shlA", { Eb, I1 } }, - { "shrA", { Eb, I1 } }, - { "(bad)", { XX } }, - { "sarA", { Eb, I1 } }, - }, - /* GRP2S_one */ - { - { "rolQ", { Ev, I1 } }, - { "rorQ", { Ev, I1 } }, - { "rclQ", { Ev, I1 } }, - { "rcrQ", { Ev, I1 } }, - { "shlQ", { Ev, I1 } }, - { "shrQ", { Ev, I1 } }, - { "(bad)", { XX } }, - { "sarQ", { Ev, I1 } }, - }, - /* GRP2b_cl */ - { - { "rolA", { Eb, CL } }, - { "rorA", { Eb, CL } }, - { "rclA", { Eb, CL } }, - { "rcrA", { Eb, CL } }, - { "shlA", { Eb, CL } }, - { "shrA", { Eb, CL } }, - { "(bad)", { XX } }, - { "sarA", { Eb, CL } }, - }, - /* GRP2S_cl */ - { - { "rolQ", { Ev, CL } }, - { "rorQ", { Ev, CL } }, - { "rclQ", { Ev, CL } }, - { "rcrQ", { Ev, CL } }, - { "shlQ", { Ev, CL } }, - { "shrQ", { Ev, CL } }, - { "(bad)", { XX } }, - { "sarQ", { Ev, CL } }, - }, - /* GRP3b */ - { - { "testA", { Eb, Ib } }, - { "(bad)", { Eb } }, - { "notA", { Eb } }, - { "negA", { Eb } }, - { "mulA", { Eb } }, /* Don't print the implicit %al register, */ - { "imulA", { Eb } }, /* to distinguish these opcodes from other */ - { "divA", { Eb } }, /* mul/imul opcodes. Do the same for div */ - { "idivA", { Eb } }, /* and idiv for consistency. */ - }, - /* GRP3S */ - { - { "testQ", { Ev, Iv } }, - { "(bad)", { XX } }, - { "notQ", { Ev } }, - { "negQ", { Ev } }, - { "mulQ", { Ev } }, /* Don't print the implicit register. */ - { "imulQ", { Ev } }, - { "divQ", { Ev } }, - { "idivQ", { Ev } }, - }, - /* GRP4 */ - { - { "incA", { Eb } }, - { "decA", { Eb } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* GRP5 */ - { - { "incQ", { Ev } }, - { "decQ", { Ev } }, - { "callT", { indirEv } }, - { "JcallT", { indirEp } }, - { "jmpT", { indirEv } }, - { "JjmpT", { indirEp } }, - { "pushU", { stackEv } }, - { "(bad)", { XX } }, - }, - /* GRP6 */ - { - { "sldtD", { Sv } }, - { "strD", { Sv } }, - { "lldt", { Ew } }, - { "ltr", { Ew } }, - { "verr", { Ew } }, - { "verw", { Ew } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* GRP7 */ - { - { "sgdt{Q|IQ||}", { { VMX_Fixup, 0 } } }, - { "sidt{Q|IQ||}", { { PNI_Fixup, 0 } } }, - { "lgdt{Q|Q||}", { M } }, - { "lidt{Q|Q||}", { { SVME_Fixup, 0 } } }, - { "smswD", { Sv } }, - { "(bad)", { XX } }, - { "lmsw", { Ew } }, - { "invlpg", { { INVLPG_Fixup, w_mode } } }, - }, - /* GRP8 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "btQ", { Ev, Ib } }, - { "btsQ", { Ev, Ib } }, - { "btrQ", { Ev, Ib } }, - { "btcQ", { Ev, Ib } }, - }, - /* GRP9 */ - { - { "(bad)", { XX } }, - { "cmpxchg8b", { { CMPXCHG8B_Fixup, q_mode } } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "", { VM } }, /* See OP_VMX. */ - { "vmptrst", { Mq } }, - }, - /* GRP11_C6 */ - { - { "movA", { Eb, Ib } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* GRP11_C7 */ - { - { "movQ", { Ev, Iv } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* GRP12 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "psrlw", { MS, Ib } }, - { "(bad)", { XX } }, - { "psraw", { MS, Ib } }, - { "(bad)", { XX } }, - { "psllw", { MS, Ib } }, - { "(bad)", { XX } }, - }, - /* GRP13 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "psrld", { MS, Ib } }, - { "(bad)", { XX } }, - { "psrad", { MS, Ib } }, - { "(bad)", { XX } }, - { "pslld", { MS, Ib } }, - { "(bad)", { XX } }, - }, - /* GRP14 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "psrlq", { MS, Ib } }, - { "psrldq", { MS, Ib } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "psllq", { MS, Ib } }, - { "pslldq", { MS, Ib } }, - }, - /* GRP15 */ - { - { "fxsave", { Ev } }, - { "fxrstor", { Ev } }, - { "ldmxcsr", { Ev } }, - { "stmxcsr", { Ev } }, - { "(bad)", { XX } }, - { "lfence", { { OP_0fae, 0 } } }, - { "mfence", { { OP_0fae, 0 } } }, - { "clflush", { { OP_0fae, 0 } } }, - }, - /* GRP16 */ - { - { "prefetchnta", { Ev } }, - { "prefetcht0", { Ev } }, - { "prefetcht1", { Ev } }, - { "prefetcht2", { Ev } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* GRPAMD */ - { - { "prefetch", { Eb } }, - { "prefetchw", { Eb } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* GRPPADLCK1 */ - { - { "xstore-rng", { { OP_0f07, 0 } } }, - { "xcrypt-ecb", { { OP_0f07, 0 } } }, - { "xcrypt-cbc", { { OP_0f07, 0 } } }, - { "xcrypt-ctr", { { OP_0f07, 0 } } }, - { "xcrypt-cfb", { { OP_0f07, 0 } } }, - { "xcrypt-ofb", { { OP_0f07, 0 } } }, - { "(bad)", { { OP_0f07, 0 } } }, - { "(bad)", { { OP_0f07, 0 } } }, - }, - /* GRPPADLCK2 */ - { - { "montmul", { { OP_0f07, 0 } } }, - { "xsha1", { { OP_0f07, 0 } } }, - { "xsha256", { { OP_0f07, 0 } } }, - { "(bad)", { { OP_0f07, 0 } } }, - { "(bad)", { { OP_0f07, 0 } } }, - { "(bad)", { { OP_0f07, 0 } } }, - { "(bad)", { { OP_0f07, 0 } } }, - { "(bad)", { { OP_0f07, 0 } } }, - } -}; - -static const struct dis386 prefix_user_table[][4] = { - /* PREGRP0 */ - { - { "addps", { XM, EXx } }, - { "addss", { XM, EXd } }, - { "addpd", { XM, EXx } }, - { "addsd", { XM, EXq } }, - }, - /* PREGRP1 */ - { - { "", { XM, EXx, OPSIMD } }, /* See OP_SIMD_SUFFIX. */ - { "", { XM, EXx, OPSIMD } }, - { "", { XM, EXx, OPSIMD } }, - { "", { XM, EXx, OPSIMD } }, - }, - /* PREGRP2 */ - { - { "cvtpi2ps", { XM, EMC } }, - { "cvtsi2ssY", { XM, Ev } }, - { "cvtpi2pd", { XM, EMC } }, - { "cvtsi2sdY", { XM, Ev } }, - }, - /* PREGRP3 */ - { - { "cvtps2pi", { MXC, EXx } }, - { "cvtss2siY", { Gv, EXx } }, - { "cvtpd2pi", { MXC, EXx } }, - { "cvtsd2siY", { Gv, EXx } }, - }, - /* PREGRP4 */ - { - { "cvttps2pi", { MXC, EXx } }, - { "cvttss2siY", { Gv, EXx } }, - { "cvttpd2pi", { MXC, EXx } }, - { "cvttsd2siY", { Gv, EXx } }, - }, - /* PREGRP5 */ - { - { "divps", { XM, EXx } }, - { "divss", { XM, EXx } }, - { "divpd", { XM, EXx } }, - { "divsd", { XM, EXx } }, - }, - /* PREGRP6 */ - { - { "maxps", { XM, EXx } }, - { "maxss", { XM, EXx } }, - { "maxpd", { XM, EXx } }, - { "maxsd", { XM, EXx } }, - }, - /* PREGRP7 */ - { - { "minps", { XM, EXx } }, - { "minss", { XM, EXx } }, - { "minpd", { XM, EXx } }, - { "minsd", { XM, EXx } }, - }, - /* PREGRP8 */ - { - { "movups", { XM, EXx } }, - { "movss", { XM, EXx } }, - { "movupd", { XM, EXx } }, - { "movsd", { XM, EXx } }, - }, - /* PREGRP9 */ - { - { "movups", { EXx, XM } }, - { "movss", { EXx, XM } }, - { "movupd", { EXx, XM } }, - { "movsd", { EXx, XM } }, - }, - /* PREGRP10 */ - { - { "mulps", { XM, EXx } }, - { "mulss", { XM, EXx } }, - { "mulpd", { XM, EXx } }, - { "mulsd", { XM, EXx } }, - }, - /* PREGRP11 */ - { - { "rcpps", { XM, EXx } }, - { "rcpss", { XM, EXx } }, - { "(bad)", { XM, EXx } }, - { "(bad)", { XM, EXx } }, - }, - /* PREGRP12 */ - { - { "rsqrtps",{ XM, EXx } }, - { "rsqrtss",{ XM, EXx } }, - { "(bad)", { XM, EXx } }, - { "(bad)", { XM, EXx } }, - }, - /* PREGRP13 */ - { - { "sqrtps", { XM, EXx } }, - { "sqrtss", { XM, EXx } }, - { "sqrtpd", { XM, EXx } }, - { "sqrtsd", { XM, EXx } }, - }, - /* PREGRP14 */ - { - { "subps", { XM, EXx } }, - { "subss", { XM, EXx } }, - { "subpd", { XM, EXx } }, - { "subsd", { XM, EXx } }, - }, - /* PREGRP15 */ - { - { "(bad)", { XM, EXx } }, - { "cvtdq2pd", { XM, EXq } }, - { "cvttpd2dq", { XM, EXx } }, - { "cvtpd2dq", { XM, EXx } }, - }, - /* PREGRP16 */ - { - { "cvtdq2ps", { XM, EXx } }, - { "cvttps2dq", { XM, EXx } }, - { "cvtps2dq", { XM, EXx } }, - { "(bad)", { XM, EXx } }, - }, - /* PREGRP17 */ - { - { "cvtps2pd", { XM, EXq } }, - { "cvtss2sd", { XM, EXx } }, - { "cvtpd2ps", { XM, EXx } }, - { "cvtsd2ss", { XM, EXx } }, - }, - /* PREGRP18 */ - { - { "maskmovq", { MX, MS } }, - { "(bad)", { XM, EXx } }, - { "maskmovdqu", { XM, XS } }, - { "(bad)", { XM, EXx } }, - }, - /* PREGRP19 */ - { - { "movq", { MX, EM } }, - { "movdqu", { XM, EXx } }, - { "movdqa", { XM, EXx } }, - { "(bad)", { XM, EXx } }, - }, - /* PREGRP20 */ - { - { "movq", { EM, MX } }, - { "movdqu", { EXx, XM } }, - { "movdqa", { EXx, XM } }, - { "(bad)", { EXx, XM } }, - }, - /* PREGRP21 */ - { - { "(bad)", { EXx, XM } }, - { "movq2dq",{ XM, MS } }, - { "movq", { EXx, XM } }, - { "movdq2q",{ MX, XS } }, - }, - /* PREGRP22 */ - { - { "pshufw", { MX, EM, Ib } }, - { "pshufhw",{ XM, EXx, Ib } }, - { "pshufd", { XM, EXx, Ib } }, - { "pshuflw",{ XM, EXx, Ib } }, - }, - /* PREGRP23 */ - { - { "movd", { Edq, MX } }, - { "movq", { XM, EXx } }, - { "movd", { Edq, XM } }, - { "(bad)", { Ed, XM } }, - }, - /* PREGRP24 */ - { - { "(bad)", { MX, EXx } }, - { "(bad)", { XM, EXx } }, - { "punpckhqdq", { XM, EXx } }, - { "(bad)", { XM, EXx } }, - }, - /* PREGRP25 */ - { - { "movntq", { EM, MX } }, - { "(bad)", { EM, XM } }, - { "movntdq",{ EM, XM } }, - { "(bad)", { EM, XM } }, - }, - /* PREGRP26 */ - { - { "(bad)", { MX, EXx } }, - { "(bad)", { XM, EXx } }, - { "punpcklqdq", { XM, EXx } }, - { "(bad)", { XM, EXx } }, - }, - /* PREGRP27 */ - { - { "(bad)", { MX, EXx } }, - { "(bad)", { XM, EXx } }, - { "addsubpd", { XM, EXx } }, - { "addsubps", { XM, EXx } }, - }, - /* PREGRP28 */ - { - { "(bad)", { MX, EXx } }, - { "(bad)", { XM, EXx } }, - { "haddpd", { XM, EXx } }, - { "haddps", { XM, EXx } }, - }, - /* PREGRP29 */ - { - { "(bad)", { MX, EXx } }, - { "(bad)", { XM, EXx } }, - { "hsubpd", { XM, EXx } }, - { "hsubps", { XM, EXx } }, - }, - /* PREGRP30 */ - { - { "movlpX", { XM, EXq, { SIMD_Fixup, 'h' } } }, /* really only 2 operands */ - { "movsldup", { XM, EXx } }, - { "movlpd", { XM, EXq } }, - { "movddup", { XM, EXq } }, - }, - /* PREGRP31 */ - { - { "movhpX", { XM, EXq, { SIMD_Fixup, 'l' } } }, - { "movshdup", { XM, EXx } }, - { "movhpd", { XM, EXq } }, - { "(bad)", { XM, EXq } }, - }, - /* PREGRP32 */ - { - { "(bad)", { XM, EXx } }, - { "(bad)", { XM, EXx } }, - { "(bad)", { XM, EXx } }, - { "lddqu", { XM, M } }, - }, - /* PREGRP33 */ - { - {"movntps", { Ev, XM } }, - {"movntss", { Ev, XM } }, - {"movntpd", { Ev, XM } }, - {"movntsd", { Ev, XM } }, - }, - - /* PREGRP34 */ - { - {"vmread", { Em, Gm } }, - {"(bad)", { XX } }, - {"extrq", { XS, Ib, Ib } }, - {"insertq", { XM, XS, Ib, Ib } }, - }, - - /* PREGRP35 */ - { - {"vmwrite", { Gm, Em } }, - {"(bad)", { XX } }, - {"extrq", { XM, XS } }, - {"insertq", { XM, XS } }, - }, - - /* PREGRP36 */ - { - { "bsrS", { Gv, Ev } }, - { "lzcntS", { Gv, Ev } }, - { "bsrS", { Gv, Ev } }, - { "(bad)", { XX } }, - }, - - /* PREGRP37 */ - { - { "(bad)", { XX } }, - { "popcntS", { Gv, Ev } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - - /* PREGRP38 */ - { - { "xchgS", { { NOP_Fixup1, eAX_reg }, { NOP_Fixup2, eAX_reg } } }, - { "pause", { XX } }, - { "xchgS", { { NOP_Fixup1, eAX_reg }, { NOP_Fixup2, eAX_reg } } }, - { "(bad)", { XX } }, - }, - - /* PREGRP39 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pblendvb", {XM, EXx, XMM0 } }, - { "(bad)", { XX } }, - }, - - /* PREGRP40 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "blendvps", {XM, EXx, XMM0 } }, - { "(bad)", { XX } }, - }, - - /* PREGRP41 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "blendvpd", { XM, EXx, XMM0 } }, - { "(bad)", { XX } }, - }, - - /* PREGRP42 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "ptest", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP43 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovsxbw", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP44 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovsxbd", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP45 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovsxbq", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP46 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovsxwd", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP47 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovsxwq", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP48 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovsxdq", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP49 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmuldq", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP50 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pcmpeqq", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP51 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "movntdqa", { XM, EM } }, - { "(bad)", { XX } }, - }, - - /* PREGRP52 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "packusdw", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP53 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovzxbw", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP54 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovzxbd", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP55 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovzxbq", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP56 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovzxwd", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP57 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovzxwq", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP58 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmovzxdq", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP59 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pminsb", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP60 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pminsd", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP61 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pminuw", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP62 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pminud", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP63 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmaxsb", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP64 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmaxsd", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP65 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmaxuw", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP66 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmaxud", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP67 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pmulld", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP68 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "phminposuw", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP69 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "roundps", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP70 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "roundpd", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP71 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "roundss", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP72 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "roundsd", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP73 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "blendps", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP74 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "blendpd", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP75 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pblendw", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP76 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pextrb", { Edqb, XM, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP77 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pextrw", { Edqw, XM, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP78 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pextrK", { Edq, XM, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP79 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "extractps", { Edqd, XM, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP80 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pinsrb", { XM, Edqb, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP81 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "insertps", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP82 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pinsrK", { XM, Edq, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP83 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "dpps", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP84 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "dppd", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP85 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "mpsadbw", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP86 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pcmpgtq", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP87 */ - { - { "movbe", { Gv, Ev } }, - { "(bad)", { XX } }, - { "movbe", { Gv, Ev } }, - { "crc32", { Gdq, { CRC32_Fixup, b_mode } } }, - }, - - /* PREGRP88 */ - { - { "movbe", { Ev, Gv } }, - { "(bad)", { XX } }, - { "movbe", { Ev, Gv } }, - { "crc32", { Gdq, { CRC32_Fixup, v_mode } } }, - }, - - /* PREGRP89 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pcmpestrm", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP90 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pcmpestri", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP91 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pcmpistrm", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP92 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pcmpistri", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP93 */ - { - { "ucomiss",{ XM, EXd } }, - { "(bad)", { XX } }, - { "ucomisd",{ XM, EXq } }, - { "(bad)", { XX } }, - }, - - /* PREGRP94 */ - { - { "comiss", { XM, EXd } }, - { "(bad)", { XX } }, - { "comisd", { XM, EXq } }, - { "(bad)", { XX } }, - }, - - /* PREGRP95 */ - { - { "punpcklbw",{ MX, EMd } }, - { "(bad)", { XX } }, - { "punpcklbw",{ MX, EMq } }, - { "(bad)", { XX } }, - }, - - /* PREGRP96 */ - { - { "punpcklwd",{ MX, EMd } }, - { "(bad)", { XX } }, - { "punpcklwd",{ MX, EMq } }, - { "(bad)", { XX } }, - }, - - /* PREGRP97 */ - { - { "punpckldq",{ MX, EMd } }, - { "(bad)", { XX } }, - { "punpckldq",{ MX, EMq } }, - { "(bad)", { XX } }, - }, - - /* PREGRP98 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pclmulqdq", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP99 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "aesimc", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP100 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "aesenc", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP101 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "aesenclast", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP102 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "aesdec", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP103 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "aesdeclast", { XM, EXx } }, - { "(bad)", { XX } }, - }, - - /* PREGRP104 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "aeskeygenassist", { XM, EXx, Ib } }, - { "(bad)", { XX } }, - }, - - /* PREGRP105 */ - { - { "andnS", { Gv, Bv, Ev } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - - /* PREGRP106 */ - { - { "bextrS", { Gv, Ev, Bv } }, - { "sarxS", { Gv, Ev, Bv } }, - { "shlxS", { Gv, Ev, Bv } }, - { "shrxS", { Gv, Ev, Bv } }, - }, - - /* PREGRP107 */ - { - { "bsfS", { Gv, Ev } }, - { "tzcntS", { Gv, Ev } }, - { "bsfS", { Gv, Ev } }, - { "(bad)", { XX } }, - }, - - /* PREGRP108 */ - { - { "bzhi", { Gv, Ev, Bv } }, - { "pext", { Gv, Bv, Ev } }, - { "(bad)", { XX } }, - { "pdep", { Gv, Bv, Ev } }, - }, - - /* PREGRP109 */ - { - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "rorx", { Gv, Ev, Ib } }, - }, -}; - -static const struct dis386 x86_64_table[][2] = { - { - { "pusha{P|}", { XX } }, - { "(bad)", { XX } }, - }, - { - { "popa{P|}", { XX } }, - { "(bad)", { XX } }, - }, - { - { "bound{S|}", { Gv, Ma } }, - { "(bad)", { XX } }, - }, - { - { "arpl", { Ew, Gw } }, - { "movs{||lq|xd}", { Gv, Ed } }, - }, -}; - -static const struct dis386 three_byte_table[][256] = { - /* THREE_BYTE_0 */ - { - /* 00 */ - { "pshufb", { MX, EM } }, - { "phaddw", { MX, EM } }, - { "phaddd", { MX, EM } }, - { "phaddsw", { MX, EM } }, - { "pmaddubsw", { MX, EM } }, - { "phsubw", { MX, EM } }, - { "phsubd", { MX, EM } }, - { "phsubsw", { MX, EM } }, - /* 08 */ - { "psignb", { MX, EM } }, - { "psignw", { MX, EM } }, - { "psignd", { MX, EM } }, - { "pmulhrsw", { MX, EM } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 10 */ - { PREGRP39 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { PREGRP40 }, - { PREGRP41 }, - { "(bad)", { XX } }, - { PREGRP42 }, - /* 18 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "pabsb", { MX, EM } }, - { "pabsw", { MX, EM } }, - { "pabsd", { MX, EM } }, - { "(bad)", { XX } }, - /* 20 */ - { PREGRP43 }, - { PREGRP44 }, - { PREGRP45 }, - { PREGRP46 }, - { PREGRP47 }, - { PREGRP48 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 28 */ - { PREGRP49 }, - { PREGRP50 }, - { PREGRP51 }, - { PREGRP52 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 30 */ - { PREGRP53 }, - { PREGRP54 }, - { PREGRP55 }, - { PREGRP56 }, - { PREGRP57 }, - { PREGRP58 }, - { "(bad)", { XX } }, - { PREGRP86 }, - /* 38 */ - { PREGRP59 }, - { PREGRP60 }, - { PREGRP61 }, - { PREGRP62 }, - { PREGRP63 }, - { PREGRP64 }, - { PREGRP65 }, - { PREGRP66 }, - /* 40 */ - { PREGRP67 }, - { PREGRP68 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 48 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 50 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 58 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 60 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 68 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 70 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 78 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 80 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 88 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 90 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 98 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* a0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* a8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* b0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* b8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* c0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* c8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* d0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* d8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { PREGRP99 }, - { PREGRP100 }, - { PREGRP101 }, - { PREGRP102 }, - { PREGRP103 }, - /* e0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* e8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* f0 */ - { PREGRP87 }, - { PREGRP88 }, - { PREGRP105 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { PREGRP108 }, - { "(bad)", { XX } }, - { PREGRP106 }, - /* f8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* THREE_BYTE_1 */ - { - /* 00 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 08 */ - { PREGRP69 }, - { PREGRP70 }, - { PREGRP71 }, - { PREGRP72 }, - { PREGRP73 }, - { PREGRP74 }, - { PREGRP75 }, - { "palignr", { MX, EM, Ib } }, - /* 10 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { PREGRP76 }, - { PREGRP77 }, - { PREGRP78 }, - { PREGRP79 }, - /* 18 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 20 */ - { PREGRP80 }, - { PREGRP81 }, - { PREGRP82 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 28 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 30 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 38 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 40 */ - { PREGRP83 }, - { PREGRP84 }, - { PREGRP85 }, - { "(bad)", { XX } }, - { PREGRP98 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 48 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 50 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 58 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 60 */ - { PREGRP89 }, - { PREGRP90 }, - { PREGRP91 }, - { PREGRP92 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 68 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 70 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 78 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 80 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 88 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 90 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* 98 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* a0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* a8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* b0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* b8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* c0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* c8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* d0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* d8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { PREGRP104 }, - /* e0 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* e8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* f0 */ - { PREGRP109 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - /* f8 */ - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - } -}; - -#define INTERNAL_DISASSEMBLER_ERROR "<internal disassembler error>" - -static void -ckprefix (void) -{ - int newrex; - rex = 0; - prefixes = 0; - used_prefixes = 0; - rex_used = 0; - while (1) - { - fetch_data(the_info, codep + 1); - newrex = 0; - switch (*codep) - { - /* REX prefixes family. */ - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4a: - case 0x4b: - case 0x4c: - case 0x4d: - case 0x4e: - case 0x4f: - if (address_mode == mode_64bit) - newrex = *codep; - else - return; - break; - case 0xf3: - prefixes |= PREFIX_REPZ; - break; - case 0xf2: - prefixes |= PREFIX_REPNZ; - break; - case 0xf0: - prefixes |= PREFIX_LOCK; - break; - case 0x2e: - prefixes |= PREFIX_CS; - break; - case 0x36: - prefixes |= PREFIX_SS; - break; - case 0x3e: - prefixes |= PREFIX_DS; - break; - case 0x26: - prefixes |= PREFIX_ES; - break; - case 0x64: - prefixes |= PREFIX_FS; - break; - case 0x65: - prefixes |= PREFIX_GS; - break; - case 0x66: - prefixes |= PREFIX_DATA; - break; - case 0x67: - prefixes |= PREFIX_ADDR; - break; - case FWAIT_OPCODE: - /* fwait is really an instruction. If there are prefixes - before the fwait, they belong to the fwait, *not* to the - following instruction. */ - if (prefixes || rex) - { - prefixes |= PREFIX_FWAIT; - codep++; - return; - } - prefixes = PREFIX_FWAIT; - break; - default: - return; - } - /* Rex is ignored when followed by another prefix. */ - if (rex) - { - rex_used = rex; - return; - } - rex = newrex; - codep++; - } -} - -static void -ckvexprefix (void) -{ - int op, vex2, vex3, newrex = 0, newpfx = prefixes; - - if (address_mode == mode_16bit) { - return; - } - - fetch_data(the_info, codep + 1); - op = *codep; - - if (op != 0xc4 && op != 0xc5) { - return; - } - - fetch_data(the_info, codep + 2); - vex2 = codep[1]; - - if (address_mode == mode_32bit && (vex2 & 0xc0) != 0xc0) { - return; - } - - if (op == 0xc4) { - /* Three byte VEX prefix. */ - fetch_data(the_info, codep + 3); - vex3 = codep[2]; - - newrex |= (vex2 & 0x80 ? 0 : REX_R); - newrex |= (vex2 & 0x40 ? 0 : REX_X); - newrex |= (vex2 & 0x20 ? 0 : REX_B); - newrex |= (vex3 & 0x80 ? REX_W : 0); - switch (vex2 & 0x1f) { /* VEX.m-mmmm */ - case 1: - newpfx |= PREFIX_VEX_0F; - break; - case 2: - newpfx |= PREFIX_VEX_0F | PREFIX_VEX_0F38; - break; - case 3: - newpfx |= PREFIX_VEX_0F | PREFIX_VEX_0F3A; - break; - } - vex2 = vex3; - codep += 3; - } else { - /* Two byte VEX prefix. */ - newrex |= (vex2 & 0x80 ? 0 : REX_R); - newpfx |= PREFIX_VEX_0F; - codep += 2; - } - - vex_reg = (~vex2 >> 3) & 15; /* VEX.vvvv */ - switch (vex2 & 3) { /* VEX.pp */ - case 1: - newpfx |= PREFIX_DATA; /* 0x66 */ - break; - case 2: - newpfx |= PREFIX_REPZ; /* 0xf3 */ - break; - case 3: - newpfx |= PREFIX_REPNZ; /* 0xf2 */ - break; - } - - rex = newrex; - prefixes = newpfx; -} - -/* Return the name of the prefix byte PREF, or NULL if PREF is not a - prefix byte. */ - -static const char * -prefix_name (int pref, int sizeflag) -{ - static const char * const rexes [16] = - { - "rex", /* 0x40 */ - "rex.B", /* 0x41 */ - "rex.X", /* 0x42 */ - "rex.XB", /* 0x43 */ - "rex.R", /* 0x44 */ - "rex.RB", /* 0x45 */ - "rex.RX", /* 0x46 */ - "rex.RXB", /* 0x47 */ - "rex.W", /* 0x48 */ - "rex.WB", /* 0x49 */ - "rex.WX", /* 0x4a */ - "rex.WXB", /* 0x4b */ - "rex.WR", /* 0x4c */ - "rex.WRB", /* 0x4d */ - "rex.WRX", /* 0x4e */ - "rex.WRXB", /* 0x4f */ - }; - - switch (pref) - { - /* REX prefixes family. */ - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4a: - case 0x4b: - case 0x4c: - case 0x4d: - case 0x4e: - case 0x4f: - return rexes [pref - 0x40]; - case 0xf3: - return "repz"; - case 0xf2: - return "repnz"; - case 0xf0: - return "lock"; - case 0x2e: - return "cs"; - case 0x36: - return "ss"; - case 0x3e: - return "ds"; - case 0x26: - return "es"; - case 0x64: - return "fs"; - case 0x65: - return "gs"; - case 0x66: - return (sizeflag & DFLAG) ? "data16" : "data32"; - case 0x67: - if (address_mode == mode_64bit) - return (sizeflag & AFLAG) ? "addr32" : "addr64"; - else - return (sizeflag & AFLAG) ? "addr16" : "addr32"; - case FWAIT_OPCODE: - return "fwait"; - default: - return NULL; - } -} - -static char op_out[MAX_OPERANDS][100]; -static int op_ad, op_index[MAX_OPERANDS]; -static int two_source_ops; -static bfd_vma op_address[MAX_OPERANDS]; -static bfd_vma op_riprel[MAX_OPERANDS]; -static bfd_vma start_pc; - -/* - * On the 386's of 1988, the maximum length of an instruction is 15 bytes. - * (see topic "Redundant prefixes" in the "Differences from 8086" - * section of the "Virtual 8086 Mode" chapter.) - * 'pc' should be the address of this instruction, it will - * be used to print the target address if this is a relative jump or call - * The function returns the length of this instruction in bytes. - */ - -static char intel_syntax; -static char open_char; -static char close_char; -static char separator_char; -static char scale_char; - -int -print_insn_i386 (bfd_vma pc, disassemble_info *info) -{ - intel_syntax = -1; - - return print_insn (pc, info); -} - -static int -print_insn (bfd_vma pc, disassemble_info *info) -{ - const struct dis386 *dp; - int i; - char *op_txt[MAX_OPERANDS]; - int needcomma; - unsigned char uses_DATA_prefix, uses_LOCK_prefix; - unsigned char uses_REPNZ_prefix, uses_REPZ_prefix; - int sizeflag; - const char *p; - struct dis_private priv; - unsigned char op; - unsigned char threebyte; - - if (info->mach == bfd_mach_x86_64_intel_syntax - || info->mach == bfd_mach_x86_64) - address_mode = mode_64bit; - else - address_mode = mode_32bit; - - if (intel_syntax == (char) -1) - intel_syntax = (info->mach == bfd_mach_i386_i386_intel_syntax - || info->mach == bfd_mach_x86_64_intel_syntax); - - if (info->mach == bfd_mach_i386_i386 - || info->mach == bfd_mach_x86_64 - || info->mach == bfd_mach_i386_i386_intel_syntax - || info->mach == bfd_mach_x86_64_intel_syntax) - priv.orig_sizeflag = AFLAG | DFLAG; - else if (info->mach == bfd_mach_i386_i8086) - priv.orig_sizeflag = 0; - else - abort (); - - for (p = info->disassembler_options; p != NULL; ) - { - if (strncmp (p, "x86-64", 6) == 0) - { - address_mode = mode_64bit; - priv.orig_sizeflag = AFLAG | DFLAG; - } - else if (strncmp (p, "i386", 4) == 0) - { - address_mode = mode_32bit; - priv.orig_sizeflag = AFLAG | DFLAG; - } - else if (strncmp (p, "i8086", 5) == 0) - { - address_mode = mode_16bit; - priv.orig_sizeflag = 0; - } - else if (strncmp (p, "intel", 5) == 0) - { - intel_syntax = 1; - } - else if (strncmp (p, "att", 3) == 0) - { - intel_syntax = 0; - } - else if (strncmp (p, "addr", 4) == 0) - { - if (address_mode == mode_64bit) - { - if (p[4] == '3' && p[5] == '2') - priv.orig_sizeflag &= ~AFLAG; - else if (p[4] == '6' && p[5] == '4') - priv.orig_sizeflag |= AFLAG; - } - else - { - if (p[4] == '1' && p[5] == '6') - priv.orig_sizeflag &= ~AFLAG; - else if (p[4] == '3' && p[5] == '2') - priv.orig_sizeflag |= AFLAG; - } - } - else if (strncmp (p, "data", 4) == 0) - { - if (p[4] == '1' && p[5] == '6') - priv.orig_sizeflag &= ~DFLAG; - else if (p[4] == '3' && p[5] == '2') - priv.orig_sizeflag |= DFLAG; - } - else if (strncmp (p, "suffix", 6) == 0) - priv.orig_sizeflag |= SUFFIX_ALWAYS; - - p = strchr (p, ','); - if (p != NULL) - p++; - } - - if (intel_syntax) - { - names64 = intel_names64; - names32 = intel_names32; - names16 = intel_names16; - names8 = intel_names8; - names8rex = intel_names8rex; - names_seg = intel_names_seg; - index16 = intel_index16; - open_char = '['; - close_char = ']'; - separator_char = '+'; - scale_char = '*'; - } - else - { - names64 = att_names64; - names32 = att_names32; - names16 = att_names16; - names8 = att_names8; - names8rex = att_names8rex; - names_seg = att_names_seg; - index16 = att_index16; - open_char = '('; - close_char = ')'; - separator_char = ','; - scale_char = ','; - } - - /* The output looks better if we put 7 bytes on a line, since that - puts most long word instructions on a single line. */ - info->bytes_per_line = 7; - - info->private_data = &priv; - priv.max_fetched = priv.the_buffer; - priv.insn_start = pc; - - obuf[0] = 0; - for (i = 0; i < MAX_OPERANDS; ++i) - { - op_out[i][0] = 0; - op_index[i] = -1; - } - - the_info = info; - start_pc = pc; - start_codep = priv.the_buffer; - codep = priv.the_buffer; - - if (sigsetjmp(priv.bailout, 0) != 0) - { - const char *name; - - /* Getting here means we tried for data but didn't get it. That - means we have an incomplete instruction of some sort. Just - print the first byte as a prefix or a .byte pseudo-op. */ - if (codep > priv.the_buffer) - { - name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); - if (name != NULL) - (*info->fprintf_func) (info->stream, "%s", name); - else - { - /* Just print the first byte as a .byte instruction. */ - (*info->fprintf_func) (info->stream, ".byte 0x%x", - (unsigned int) priv.the_buffer[0]); - } - - return 1; - } - - return -1; - } - - obufp = obuf; - ckprefix (); - ckvexprefix (); - - insn_codep = codep; - sizeflag = priv.orig_sizeflag; - - fetch_data(info, codep + 1); - two_source_ops = (*codep == 0x62) || (*codep == 0xc8); - - if (((prefixes & PREFIX_FWAIT) - && ((*codep < 0xd8) || (*codep > 0xdf))) - || (rex && rex_used)) - { - const char *name; - - /* fwait not followed by floating point instruction, or rex followed - by other prefixes. Print the first prefix. */ - name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); - if (name == NULL) - name = INTERNAL_DISASSEMBLER_ERROR; - (*info->fprintf_func) (info->stream, "%s", name); - return 1; - } - - op = 0; - if (prefixes & PREFIX_VEX_0F) - { - used_prefixes |= PREFIX_VEX_0F | PREFIX_VEX_0F38 | PREFIX_VEX_0F3A; - if (prefixes & PREFIX_VEX_0F38) - threebyte = 0x38; - else if (prefixes & PREFIX_VEX_0F3A) - threebyte = 0x3a; - else - threebyte = *codep++; - goto vex_opcode; - } - if (*codep == 0x0f) - { - fetch_data(info, codep + 2); - threebyte = codep[1]; - codep += 2; - vex_opcode: - dp = &dis386_twobyte[threebyte]; - need_modrm = twobyte_has_modrm[threebyte]; - uses_DATA_prefix = twobyte_uses_DATA_prefix[threebyte]; - uses_REPNZ_prefix = twobyte_uses_REPNZ_prefix[threebyte]; - uses_REPZ_prefix = twobyte_uses_REPZ_prefix[threebyte]; - uses_LOCK_prefix = (threebyte & ~0x02) == 0x20; - if (dp->name == NULL && dp->op[0].bytemode == IS_3BYTE_OPCODE) - { - fetch_data(info, codep + 2); - op = *codep++; - switch (threebyte) - { - case 0x38: - uses_DATA_prefix = threebyte_0x38_uses_DATA_prefix[op]; - uses_REPNZ_prefix = threebyte_0x38_uses_REPNZ_prefix[op]; - uses_REPZ_prefix = threebyte_0x38_uses_REPZ_prefix[op]; - break; - case 0x3a: - uses_DATA_prefix = threebyte_0x3a_uses_DATA_prefix[op]; - uses_REPNZ_prefix = threebyte_0x3a_uses_REPNZ_prefix[op]; - uses_REPZ_prefix = threebyte_0x3a_uses_REPZ_prefix[op]; - break; - default: - break; - } - } - } - else - { - dp = &dis386[*codep]; - need_modrm = onebyte_has_modrm[*codep]; - uses_DATA_prefix = 0; - uses_REPNZ_prefix = 0; - /* pause is 0xf3 0x90. */ - uses_REPZ_prefix = *codep == 0x90; - uses_LOCK_prefix = 0; - codep++; - } - - if (!uses_REPZ_prefix && (prefixes & PREFIX_REPZ)) - { - oappend ("repz "); - used_prefixes |= PREFIX_REPZ; - } - if (!uses_REPNZ_prefix && (prefixes & PREFIX_REPNZ)) - { - oappend ("repnz "); - used_prefixes |= PREFIX_REPNZ; - } - - if (!uses_LOCK_prefix && (prefixes & PREFIX_LOCK)) - { - oappend ("lock "); - used_prefixes |= PREFIX_LOCK; - } - - if (prefixes & PREFIX_ADDR) - { - sizeflag ^= AFLAG; - if (dp->op[2].bytemode != loop_jcxz_mode || intel_syntax) - { - if ((sizeflag & AFLAG) || address_mode == mode_64bit) - oappend ("addr32 "); - else - oappend ("addr16 "); - used_prefixes |= PREFIX_ADDR; - } - } - - if (!uses_DATA_prefix && (prefixes & PREFIX_DATA)) - { - sizeflag ^= DFLAG; - if (dp->op[2].bytemode == cond_jump_mode - && dp->op[0].bytemode == v_mode - && !intel_syntax) - { - if (sizeflag & DFLAG) - oappend ("data32 "); - else - oappend ("data16 "); - used_prefixes |= PREFIX_DATA; - } - } - - if (dp->name == NULL && dp->op[0].bytemode == IS_3BYTE_OPCODE) - { - dp = &three_byte_table[dp->op[1].bytemode][op]; - modrm.mod = (*codep >> 6) & 3; - modrm.reg = (*codep >> 3) & 7; - modrm.rm = *codep & 7; - } - else if (need_modrm) - { - fetch_data(info, codep + 1); - modrm.mod = (*codep >> 6) & 3; - modrm.reg = (*codep >> 3) & 7; - modrm.rm = *codep & 7; - } - - if (dp->name == NULL && dp->op[0].bytemode == FLOATCODE) - { - dofloat (sizeflag); - } - else - { - int index; - if (dp->name == NULL) - { - switch (dp->op[0].bytemode) - { - case USE_GROUPS: - dp = &grps[dp->op[1].bytemode][modrm.reg]; - break; - - case USE_PREFIX_USER_TABLE: - index = 0; - used_prefixes |= (prefixes & PREFIX_REPZ); - if (prefixes & PREFIX_REPZ) - index = 1; - else - { - /* We should check PREFIX_REPNZ and PREFIX_REPZ - before PREFIX_DATA. */ - used_prefixes |= (prefixes & PREFIX_REPNZ); - if (prefixes & PREFIX_REPNZ) - index = 3; - else - { - used_prefixes |= (prefixes & PREFIX_DATA); - if (prefixes & PREFIX_DATA) - index = 2; - } - } - dp = &prefix_user_table[dp->op[1].bytemode][index]; - break; - - case X86_64_SPECIAL: - index = address_mode == mode_64bit ? 1 : 0; - dp = &x86_64_table[dp->op[1].bytemode][index]; - break; - - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - break; - } - } - - if (dp->name != NULL && putop (dp->name, sizeflag) == 0) - { - for (i = 0; i < MAX_OPERANDS; ++i) - { - obufp = op_out[i]; - op_ad = MAX_OPERANDS - 1 - i; - if (dp->op[i].rtn) - (*dp->op[i].rtn) (dp->op[i].bytemode, sizeflag); - } - } - } - - /* See if any prefixes were not used. If so, print the first one - separately. If we don't do this, we'll wind up printing an - instruction stream which does not precisely correspond to the - bytes we are disassembling. */ - if ((prefixes & ~used_prefixes) != 0) - { - const char *name; - - name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); - if (name == NULL) - name = INTERNAL_DISASSEMBLER_ERROR; - (*info->fprintf_func) (info->stream, "%s", name); - return 1; - } - if (rex & ~rex_used) - { - const char *name; - name = prefix_name (rex | 0x40, priv.orig_sizeflag); - if (name == NULL) - name = INTERNAL_DISASSEMBLER_ERROR; - (*info->fprintf_func) (info->stream, "%s ", name); - } - - obufp = obuf + strlen (obuf); - for (i = strlen (obuf); i < 6; i++) - oappend (" "); - oappend (" "); - (*info->fprintf_func) (info->stream, "%s", obuf); - - /* The enter and bound instructions are printed with operands in the same - order as the intel book; everything else is printed in reverse order. */ - if (intel_syntax || two_source_ops) - { - bfd_vma riprel; - - for (i = 0; i < MAX_OPERANDS; ++i) - op_txt[i] = op_out[i]; - - for (i = 0; i < (MAX_OPERANDS >> 1); ++i) - { - op_ad = op_index[i]; - op_index[i] = op_index[MAX_OPERANDS - 1 - i]; - op_index[MAX_OPERANDS - 1 - i] = op_ad; - riprel = op_riprel[i]; - op_riprel[i] = op_riprel [MAX_OPERANDS - 1 - i]; - op_riprel[MAX_OPERANDS - 1 - i] = riprel; - } - } - else - { - for (i = 0; i < MAX_OPERANDS; ++i) - op_txt[MAX_OPERANDS - 1 - i] = op_out[i]; - } - - needcomma = 0; - for (i = 0; i < MAX_OPERANDS; ++i) - if (*op_txt[i]) - { - if (needcomma) - (*info->fprintf_func) (info->stream, ","); - if (op_index[i] != -1 && !op_riprel[i]) - (*info->print_address_func) ((bfd_vma) op_address[op_index[i]], info); - else - (*info->fprintf_func) (info->stream, "%s", op_txt[i]); - needcomma = 1; - } - - for (i = 0; i < MAX_OPERANDS; i++) - if (op_index[i] != -1 && op_riprel[i]) - { - (*info->fprintf_func) (info->stream, " # "); - (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep - + op_address[op_index[i]]), info); - break; - } - return codep - priv.the_buffer; -} - -static const char *float_mem[] = { - /* d8 */ - "fadd{s||s|}", - "fmul{s||s|}", - "fcom{s||s|}", - "fcomp{s||s|}", - "fsub{s||s|}", - "fsubr{s||s|}", - "fdiv{s||s|}", - "fdivr{s||s|}", - /* d9 */ - "fld{s||s|}", - "(bad)", - "fst{s||s|}", - "fstp{s||s|}", - "fldenvIC", - "fldcw", - "fNstenvIC", - "fNstcw", - /* da */ - "fiadd{l||l|}", - "fimul{l||l|}", - "ficom{l||l|}", - "ficomp{l||l|}", - "fisub{l||l|}", - "fisubr{l||l|}", - "fidiv{l||l|}", - "fidivr{l||l|}", - /* db */ - "fild{l||l|}", - "fisttp{l||l|}", - "fist{l||l|}", - "fistp{l||l|}", - "(bad)", - "fld{t||t|}", - "(bad)", - "fstp{t||t|}", - /* dc */ - "fadd{l||l|}", - "fmul{l||l|}", - "fcom{l||l|}", - "fcomp{l||l|}", - "fsub{l||l|}", - "fsubr{l||l|}", - "fdiv{l||l|}", - "fdivr{l||l|}", - /* dd */ - "fld{l||l|}", - "fisttp{ll||ll|}", - "fst{l||l|}", - "fstp{l||l|}", - "frstorIC", - "(bad)", - "fNsaveIC", - "fNstsw", - /* de */ - "fiadd", - "fimul", - "ficom", - "ficomp", - "fisub", - "fisubr", - "fidiv", - "fidivr", - /* df */ - "fild", - "fisttp", - "fist", - "fistp", - "fbld", - "fild{ll||ll|}", - "fbstp", - "fistp{ll||ll|}", -}; - -static const unsigned char float_mem_mode[] = { - /* d8 */ - d_mode, - d_mode, - d_mode, - d_mode, - d_mode, - d_mode, - d_mode, - d_mode, - /* d9 */ - d_mode, - 0, - d_mode, - d_mode, - 0, - w_mode, - 0, - w_mode, - /* da */ - d_mode, - d_mode, - d_mode, - d_mode, - d_mode, - d_mode, - d_mode, - d_mode, - /* db */ - d_mode, - d_mode, - d_mode, - d_mode, - 0, - t_mode, - 0, - t_mode, - /* dc */ - q_mode, - q_mode, - q_mode, - q_mode, - q_mode, - q_mode, - q_mode, - q_mode, - /* dd */ - q_mode, - q_mode, - q_mode, - q_mode, - 0, - 0, - 0, - w_mode, - /* de */ - w_mode, - w_mode, - w_mode, - w_mode, - w_mode, - w_mode, - w_mode, - w_mode, - /* df */ - w_mode, - w_mode, - w_mode, - w_mode, - t_mode, - q_mode, - t_mode, - q_mode -}; - -#define ST { OP_ST, 0 } -#define STi { OP_STi, 0 } - -#define FGRPd9_2 NULL, { { NULL, 0 } } -#define FGRPd9_4 NULL, { { NULL, 1 } } -#define FGRPd9_5 NULL, { { NULL, 2 } } -#define FGRPd9_6 NULL, { { NULL, 3 } } -#define FGRPd9_7 NULL, { { NULL, 4 } } -#define FGRPda_5 NULL, { { NULL, 5 } } -#define FGRPdb_4 NULL, { { NULL, 6 } } -#define FGRPde_3 NULL, { { NULL, 7 } } -#define FGRPdf_4 NULL, { { NULL, 8 } } - -static const struct dis386 float_reg[][8] = { - /* d8 */ - { - { "fadd", { ST, STi } }, - { "fmul", { ST, STi } }, - { "fcom", { STi } }, - { "fcomp", { STi } }, - { "fsub", { ST, STi } }, - { "fsubr", { ST, STi } }, - { "fdiv", { ST, STi } }, - { "fdivr", { ST, STi } }, - }, - /* d9 */ - { - { "fld", { STi } }, - { "fxch", { STi } }, - { FGRPd9_2 }, - { "(bad)", { XX } }, - { FGRPd9_4 }, - { FGRPd9_5 }, - { FGRPd9_6 }, - { FGRPd9_7 }, - }, - /* da */ - { - { "fcmovb", { ST, STi } }, - { "fcmove", { ST, STi } }, - { "fcmovbe",{ ST, STi } }, - { "fcmovu", { ST, STi } }, - { "(bad)", { XX } }, - { FGRPda_5 }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* db */ - { - { "fcmovnb",{ ST, STi } }, - { "fcmovne",{ ST, STi } }, - { "fcmovnbe",{ ST, STi } }, - { "fcmovnu",{ ST, STi } }, - { FGRPdb_4 }, - { "fucomi", { ST, STi } }, - { "fcomi", { ST, STi } }, - { "(bad)", { XX } }, - }, - /* dc */ - { - { "fadd", { STi, ST } }, - { "fmul", { STi, ST } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, -#if SYSV386_COMPAT - { "fsub", { STi, ST } }, - { "fsubr", { STi, ST } }, - { "fdiv", { STi, ST } }, - { "fdivr", { STi, ST } }, -#else - { "fsubr", { STi, ST } }, - { "fsub", { STi, ST } }, - { "fdivr", { STi, ST } }, - { "fdiv", { STi, ST } }, -#endif - }, - /* dd */ - { - { "ffree", { STi } }, - { "(bad)", { XX } }, - { "fst", { STi } }, - { "fstp", { STi } }, - { "fucom", { STi } }, - { "fucomp", { STi } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - }, - /* de */ - { - { "faddp", { STi, ST } }, - { "fmulp", { STi, ST } }, - { "(bad)", { XX } }, - { FGRPde_3 }, -#if SYSV386_COMPAT - { "fsubp", { STi, ST } }, - { "fsubrp", { STi, ST } }, - { "fdivp", { STi, ST } }, - { "fdivrp", { STi, ST } }, -#else - { "fsubrp", { STi, ST } }, - { "fsubp", { STi, ST } }, - { "fdivrp", { STi, ST } }, - { "fdivp", { STi, ST } }, -#endif - }, - /* df */ - { - { "ffreep", { STi } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { "(bad)", { XX } }, - { FGRPdf_4 }, - { "fucomip", { ST, STi } }, - { "fcomip", { ST, STi } }, - { "(bad)", { XX } }, - }, -}; - -static const char *fgrps[][8] = { - /* d9_2 0 */ - { - "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", - }, - - /* d9_4 1 */ - { - "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)", - }, - - /* d9_5 2 */ - { - "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)", - }, - - /* d9_6 3 */ - { - "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp", - }, - - /* d9_7 4 */ - { - "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos", - }, - - /* da_5 5 */ - { - "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", - }, - - /* db_4 6 */ - { - "feni(287 only)","fdisi(287 only)","fNclex","fNinit", - "fNsetpm(287 only)","(bad)","(bad)","(bad)", - }, - - /* de_3 7 */ - { - "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", - }, - - /* df_4 8 */ - { - "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", - }, -}; - -static void -dofloat (int sizeflag) -{ - const struct dis386 *dp; - unsigned char floatop; - - floatop = codep[-1]; - - if (modrm.mod != 3) - { - int fp_indx = (floatop - 0xd8) * 8 + modrm.reg; - - putop (float_mem[fp_indx], sizeflag); - obufp = op_out[0]; - op_ad = 2; - OP_E (float_mem_mode[fp_indx], sizeflag); - return; - } - /* Skip mod/rm byte. */ - MODRM_CHECK; - codep++; - - dp = &float_reg[floatop - 0xd8][modrm.reg]; - if (dp->name == NULL) - { - putop (fgrps[dp->op[0].bytemode][modrm.rm], sizeflag); - - /* Instruction fnstsw is only one with strange arg. */ - if (floatop == 0xdf && codep[-1] == 0xe0) - pstrcpy (op_out[0], sizeof(op_out[0]), names16[0]); - } - else - { - putop (dp->name, sizeflag); - - obufp = op_out[0]; - op_ad = 2; - if (dp->op[0].rtn) - (*dp->op[0].rtn) (dp->op[0].bytemode, sizeflag); - - obufp = op_out[1]; - op_ad = 1; - if (dp->op[1].rtn) - (*dp->op[1].rtn) (dp->op[1].bytemode, sizeflag); - } -} - -static void -OP_ST (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - oappend ("%st" + intel_syntax); -} - -static void -OP_STi (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - snprintf (scratchbuf, sizeof(scratchbuf), "%%st(%d)", modrm.rm); - oappend (scratchbuf + intel_syntax); -} - -/* Capital letters in template are macros. */ -static int -putop (const char *template, int sizeflag) -{ - const char *p; - int alt = 0; - - for (p = template; *p; p++) - { - switch (*p) - { - default: - *obufp++ = *p; - break; - case '{': - alt = 0; - if (intel_syntax) - alt += 1; - if (address_mode == mode_64bit) - alt += 2; - while (alt != 0) - { - while (*++p != '|') - { - if (*p == '}') - { - /* Alternative not valid. */ - pstrcpy (obuf, sizeof(obuf), "(bad)"); - obufp = obuf + 5; - return 1; - } - else if (*p == '\0') - abort (); - } - alt--; - } - /* Fall through. */ - case 'I': - alt = 1; - continue; - case '|': - while (*++p != '}') - { - if (*p == '\0') - abort (); - } - break; - case '}': - break; - case 'A': - if (intel_syntax) - break; - if (modrm.mod != 3 || (sizeflag & SUFFIX_ALWAYS)) - *obufp++ = 'b'; - break; - case 'B': - if (intel_syntax) - break; - if (sizeflag & SUFFIX_ALWAYS) - *obufp++ = 'b'; - break; - case 'C': - if (intel_syntax && !alt) - break; - if ((prefixes & PREFIX_DATA) || (sizeflag & SUFFIX_ALWAYS)) - { - if (sizeflag & DFLAG) - *obufp++ = intel_syntax ? 'd' : 'l'; - else - *obufp++ = intel_syntax ? 'w' : 's'; - used_prefixes |= (prefixes & PREFIX_DATA); - } - break; - case 'D': - if (intel_syntax || !(sizeflag & SUFFIX_ALWAYS)) - break; - USED_REX (REX_W); - if (modrm.mod == 3) - { - if (rex & REX_W) - *obufp++ = 'q'; - else if (sizeflag & DFLAG) - *obufp++ = intel_syntax ? 'd' : 'l'; - else - *obufp++ = 'w'; - used_prefixes |= (prefixes & PREFIX_DATA); - } - else - *obufp++ = 'w'; - break; - case 'E': /* For jcxz/jecxz */ - if (address_mode == mode_64bit) - { - if (sizeflag & AFLAG) - *obufp++ = 'r'; - else - *obufp++ = 'e'; - } - else - if (sizeflag & AFLAG) - *obufp++ = 'e'; - used_prefixes |= (prefixes & PREFIX_ADDR); - break; - case 'F': - if (intel_syntax) - break; - if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS)) - { - if (sizeflag & AFLAG) - *obufp++ = address_mode == mode_64bit ? 'q' : 'l'; - else - *obufp++ = address_mode == mode_64bit ? 'l' : 'w'; - used_prefixes |= (prefixes & PREFIX_ADDR); - } - break; - case 'G': - if (intel_syntax || (obufp[-1] != 's' && !(sizeflag & SUFFIX_ALWAYS))) - break; - if ((rex & REX_W) || (sizeflag & DFLAG)) - *obufp++ = 'l'; - else - *obufp++ = 'w'; - if (!(rex & REX_W)) - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case 'H': - if (intel_syntax) - break; - if ((prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_CS - || (prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_DS) - { - used_prefixes |= prefixes & (PREFIX_CS | PREFIX_DS); - *obufp++ = ','; - *obufp++ = 'p'; - if (prefixes & PREFIX_DS) - *obufp++ = 't'; - else - *obufp++ = 'n'; - } - break; - case 'J': - if (intel_syntax) - break; - *obufp++ = 'l'; - break; - case 'K': - USED_REX (REX_W); - if (rex & REX_W) - *obufp++ = 'q'; - else - *obufp++ = 'd'; - break; - case 'Z': - if (intel_syntax) - break; - if (address_mode == mode_64bit && (sizeflag & SUFFIX_ALWAYS)) - { - *obufp++ = 'q'; - break; - } - /* Fall through. */ - case 'L': - if (intel_syntax) - break; - if (sizeflag & SUFFIX_ALWAYS) - *obufp++ = 'l'; - break; - case 'N': - if ((prefixes & PREFIX_FWAIT) == 0) - *obufp++ = 'n'; - else - used_prefixes |= PREFIX_FWAIT; - break; - case 'O': - USED_REX (REX_W); - if (rex & REX_W) - *obufp++ = 'o'; - else if (intel_syntax && (sizeflag & DFLAG)) - *obufp++ = 'q'; - else - *obufp++ = 'd'; - if (!(rex & REX_W)) - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case 'T': - if (intel_syntax) - break; - if (address_mode == mode_64bit && (sizeflag & DFLAG)) - { - *obufp++ = 'q'; - break; - } - /* Fall through. */ - case 'P': - if (intel_syntax) - break; - if ((prefixes & PREFIX_DATA) - || (rex & REX_W) - || (sizeflag & SUFFIX_ALWAYS)) - { - USED_REX (REX_W); - if (rex & REX_W) - *obufp++ = 'q'; - else - { - if (sizeflag & DFLAG) - *obufp++ = 'l'; - else - *obufp++ = 'w'; - } - used_prefixes |= (prefixes & PREFIX_DATA); - } - break; - case 'U': - if (intel_syntax) - break; - if (address_mode == mode_64bit && (sizeflag & DFLAG)) - { - if (modrm.mod != 3 || (sizeflag & SUFFIX_ALWAYS)) - *obufp++ = 'q'; - break; - } - /* Fall through. */ - case 'Q': - if (intel_syntax && !alt) - break; - USED_REX (REX_W); - if (modrm.mod != 3 || (sizeflag & SUFFIX_ALWAYS)) - { - if (rex & REX_W) - *obufp++ = 'q'; - else - { - if (sizeflag & DFLAG) - *obufp++ = intel_syntax ? 'd' : 'l'; - else - *obufp++ = 'w'; - } - used_prefixes |= (prefixes & PREFIX_DATA); - } - break; - case 'R': - USED_REX (REX_W); - if (rex & REX_W) - *obufp++ = 'q'; - else if (sizeflag & DFLAG) - { - if (intel_syntax) - *obufp++ = 'd'; - else - *obufp++ = 'l'; - } - else - *obufp++ = 'w'; - if (intel_syntax && !p[1] - && ((rex & REX_W) || (sizeflag & DFLAG))) - *obufp++ = 'e'; - if (!(rex & REX_W)) - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case 'V': - if (intel_syntax) - break; - if (address_mode == mode_64bit && (sizeflag & DFLAG)) - { - if (sizeflag & SUFFIX_ALWAYS) - *obufp++ = 'q'; - break; - } - /* Fall through. */ - case 'S': - if (intel_syntax) - break; - if (sizeflag & SUFFIX_ALWAYS) - { - if (rex & REX_W) - *obufp++ = 'q'; - else - { - if (sizeflag & DFLAG) - *obufp++ = 'l'; - else - *obufp++ = 'w'; - used_prefixes |= (prefixes & PREFIX_DATA); - } - } - break; - case 'X': - if (prefixes & PREFIX_DATA) - *obufp++ = 'd'; - else - *obufp++ = 's'; - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case 'Y': - if (intel_syntax) - break; - if (rex & REX_W) - { - USED_REX (REX_W); - *obufp++ = 'q'; - } - break; - /* implicit operand size 'l' for i386 or 'q' for x86-64 */ - case 'W': - /* operand size flag for cwtl, cbtw */ - USED_REX (REX_W); - if (rex & REX_W) - { - if (intel_syntax) - *obufp++ = 'd'; - else - *obufp++ = 'l'; - } - else if (sizeflag & DFLAG) - *obufp++ = 'w'; - else - *obufp++ = 'b'; - if (!(rex & REX_W)) - used_prefixes |= (prefixes & PREFIX_DATA); - break; - } - alt = 0; - } - *obufp = 0; - return 0; -} - -static void -oappend (const char *s) -{ - strcpy (obufp, s); - obufp += strlen (s); -} - -static void -append_seg (void) -{ - if (prefixes & PREFIX_CS) - { - used_prefixes |= PREFIX_CS; - oappend ("%cs:" + intel_syntax); - } - if (prefixes & PREFIX_DS) - { - used_prefixes |= PREFIX_DS; - oappend ("%ds:" + intel_syntax); - } - if (prefixes & PREFIX_SS) - { - used_prefixes |= PREFIX_SS; - oappend ("%ss:" + intel_syntax); - } - if (prefixes & PREFIX_ES) - { - used_prefixes |= PREFIX_ES; - oappend ("%es:" + intel_syntax); - } - if (prefixes & PREFIX_FS) - { - used_prefixes |= PREFIX_FS; - oappend ("%fs:" + intel_syntax); - } - if (prefixes & PREFIX_GS) - { - used_prefixes |= PREFIX_GS; - oappend ("%gs:" + intel_syntax); - } -} - -static void -OP_indirE (int bytemode, int sizeflag) -{ - if (!intel_syntax) - oappend ("*"); - OP_E (bytemode, sizeflag); -} - -static void -print_operand_value (char *buf, size_t bufsize, int hex, bfd_vma disp) -{ - if (address_mode == mode_64bit) - { - if (hex) - { - char tmp[30]; - int i; - buf[0] = '0'; - buf[1] = 'x'; - snprintf_vma (tmp, sizeof(tmp), disp); - for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++) { - } - pstrcpy (buf + 2, bufsize - 2, tmp + i); - } - else - { - bfd_signed_vma v = disp; - char tmp[30]; - int i; - if (v < 0) - { - *(buf++) = '-'; - v = -disp; - /* Check for possible overflow on 0x8000000000000000. */ - if (v < 0) - { - pstrcpy (buf, bufsize, "9223372036854775808"); - return; - } - } - if (!v) - { - pstrcpy (buf, bufsize, "0"); - return; - } - - i = 0; - tmp[29] = 0; - while (v) - { - tmp[28 - i] = (v % 10) + '0'; - v /= 10; - i++; - } - pstrcpy (buf, bufsize, tmp + 29 - i); - } - } - else - { - if (hex) - snprintf (buf, bufsize, "0x%x", (unsigned int) disp); - else - snprintf (buf, bufsize, "%d", (int) disp); - } -} - -/* Put DISP in BUF as signed hex number. */ - -static void -print_displacement (char *buf, bfd_vma disp) -{ - bfd_signed_vma val = disp; - char tmp[30]; - int i, j = 0; - - if (val < 0) - { - buf[j++] = '-'; - val = -disp; - - /* Check for possible overflow. */ - if (val < 0) - { - switch (address_mode) - { - case mode_64bit: - strcpy (buf + j, "0x8000000000000000"); - break; - case mode_32bit: - strcpy (buf + j, "0x80000000"); - break; - case mode_16bit: - strcpy (buf + j, "0x8000"); - break; - } - return; - } - } - - buf[j++] = '0'; - buf[j++] = 'x'; - - snprintf_vma (tmp, sizeof(tmp), val); - for (i = 0; tmp[i] == '0'; i++) - continue; - if (tmp[i] == '\0') - i--; - strcpy (buf + j, tmp + i); -} - -static void -intel_operand_size (int bytemode, int sizeflag) -{ - switch (bytemode) - { - case b_mode: - case dqb_mode: - oappend ("BYTE PTR "); - break; - case w_mode: - case dqw_mode: - oappend ("WORD PTR "); - break; - case stack_v_mode: - if (address_mode == mode_64bit && (sizeflag & DFLAG)) - { - oappend ("QWORD PTR "); - used_prefixes |= (prefixes & PREFIX_DATA); - break; - } - /* FALLTHRU */ - case v_mode: - case dq_mode: - USED_REX (REX_W); - if (rex & REX_W) - oappend ("QWORD PTR "); - else if ((sizeflag & DFLAG) || bytemode == dq_mode) - oappend ("DWORD PTR "); - else - oappend ("WORD PTR "); - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case z_mode: - if ((rex & REX_W) || (sizeflag & DFLAG)) - *obufp++ = 'D'; - oappend ("WORD PTR "); - if (!(rex & REX_W)) - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case d_mode: - case dqd_mode: - oappend ("DWORD PTR "); - break; - case q_mode: - oappend ("QWORD PTR "); - break; - case m_mode: - if (address_mode == mode_64bit) - oappend ("QWORD PTR "); - else - oappend ("DWORD PTR "); - break; - case f_mode: - if (sizeflag & DFLAG) - oappend ("FWORD PTR "); - else - oappend ("DWORD PTR "); - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case t_mode: - oappend ("TBYTE PTR "); - break; - case x_mode: - oappend ("XMMWORD PTR "); - break; - case o_mode: - oappend ("OWORD PTR "); - break; - default: - break; - } -} - -static void -OP_E (int bytemode, int sizeflag) -{ - bfd_vma disp; - int add = 0; - int riprel = 0; - USED_REX (REX_B); - if (rex & REX_B) - add += 8; - - /* Skip mod/rm byte. */ - MODRM_CHECK; - codep++; - - if (modrm.mod == 3) - { - switch (bytemode) - { - case b_mode: - USED_REX (0); - if (rex) - oappend (names8rex[modrm.rm + add]); - else - oappend (names8[modrm.rm + add]); - break; - case w_mode: - oappend (names16[modrm.rm + add]); - break; - case d_mode: - oappend (names32[modrm.rm + add]); - break; - case q_mode: - oappend (names64[modrm.rm + add]); - break; - case m_mode: - if (address_mode == mode_64bit) - oappend (names64[modrm.rm + add]); - else - oappend (names32[modrm.rm + add]); - break; - case stack_v_mode: - if (address_mode == mode_64bit && (sizeflag & DFLAG)) - { - oappend (names64[modrm.rm + add]); - used_prefixes |= (prefixes & PREFIX_DATA); - break; - } - bytemode = v_mode; - /* FALLTHRU */ - case v_mode: - case dq_mode: - case dqb_mode: - case dqd_mode: - case dqw_mode: - USED_REX (REX_W); - if (rex & REX_W) - oappend (names64[modrm.rm + add]); - else if ((sizeflag & DFLAG) || bytemode != v_mode) - oappend (names32[modrm.rm + add]); - else - oappend (names16[modrm.rm + add]); - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case 0: - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - break; - } - return; - } - - disp = 0; - if (intel_syntax) - intel_operand_size (bytemode, sizeflag); - append_seg (); - - if ((sizeflag & AFLAG) || address_mode == mode_64bit) - { - /* 32/64 bit address mode */ - int havedisp; - int havesib; - int havebase; - int base; - int index = 0; - int scale = 0; - - havesib = 0; - havebase = 1; - base = modrm.rm; - - if (base == 4) - { - havesib = 1; - fetch_data(the_info, codep + 1); - index = (*codep >> 3) & 7; - if (address_mode == mode_64bit || index != 0x4) - /* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */ - scale = (*codep >> 6) & 3; - base = *codep & 7; - USED_REX (REX_X); - if (rex & REX_X) - index += 8; - codep++; - } - base += add; - - switch (modrm.mod) - { - case 0: - if ((base & 7) == 5) - { - havebase = 0; - if (address_mode == mode_64bit && !havesib) - riprel = 1; - disp = get32s (); - } - break; - case 1: - fetch_data (the_info, codep + 1); - disp = *codep++; - if ((disp & 0x80) != 0) - disp -= 0x100; - break; - case 2: - disp = get32s (); - break; - } - - havedisp = havebase || (havesib && (index != 4 || scale != 0)); - - if (!intel_syntax) - if (modrm.mod != 0 || (base & 7) == 5) - { - if (havedisp || riprel) - print_displacement (scratchbuf, disp); - else - print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp); - oappend (scratchbuf); - if (riprel) - { - set_op (disp, 1); - oappend ("(%rip)"); - } - } - - if (havedisp || (intel_syntax && riprel)) - { - *obufp++ = open_char; - if (intel_syntax && riprel) - { - set_op (disp, 1); - oappend ("rip"); - } - *obufp = '\0'; - if (havebase) - oappend (address_mode == mode_64bit && (sizeflag & AFLAG) - ? names64[base] : names32[base]); - if (havesib) - { - if (index != 4) - { - if (!intel_syntax || havebase) - { - *obufp++ = separator_char; - *obufp = '\0'; - } - oappend (address_mode == mode_64bit && (sizeflag & AFLAG) - ? names64[index] : names32[index]); - } - if (scale != 0 || (!intel_syntax && index != 4)) - { - *obufp++ = scale_char; - *obufp = '\0'; - snprintf (scratchbuf, sizeof(scratchbuf), "%d", 1 << scale); - oappend (scratchbuf); - } - } - if (intel_syntax - && (disp || modrm.mod != 0 || (base & 7) == 5)) - { - if ((bfd_signed_vma) disp >= 0) - { - *obufp++ = '+'; - *obufp = '\0'; - } - else if (modrm.mod != 1) - { - *obufp++ = '-'; - *obufp = '\0'; - disp = - (bfd_signed_vma) disp; - } - - print_displacement (scratchbuf, disp); - oappend (scratchbuf); - } - - *obufp++ = close_char; - *obufp = '\0'; - } - else if (intel_syntax) - { - if (modrm.mod != 0 || (base & 7) == 5) - { - if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS - | PREFIX_ES | PREFIX_FS | PREFIX_GS)) - ; - else - { - oappend (names_seg[ds_reg - es_reg]); - oappend (":"); - } - print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp); - oappend (scratchbuf); - } - } - } - else - { /* 16 bit address mode */ - switch (modrm.mod) - { - case 0: - if (modrm.rm == 6) - { - disp = get16 (); - if ((disp & 0x8000) != 0) - disp -= 0x10000; - } - break; - case 1: - fetch_data(the_info, codep + 1); - disp = *codep++; - if ((disp & 0x80) != 0) - disp -= 0x100; - break; - case 2: - disp = get16 (); - if ((disp & 0x8000) != 0) - disp -= 0x10000; - break; - } - - if (!intel_syntax) - if (modrm.mod != 0 || modrm.rm == 6) - { - print_displacement (scratchbuf, disp); - oappend (scratchbuf); - } - - if (modrm.mod != 0 || modrm.rm != 6) - { - *obufp++ = open_char; - *obufp = '\0'; - oappend (index16[modrm.rm]); - if (intel_syntax - && (disp || modrm.mod != 0 || modrm.rm == 6)) - { - if ((bfd_signed_vma) disp >= 0) - { - *obufp++ = '+'; - *obufp = '\0'; - } - else if (modrm.mod != 1) - { - *obufp++ = '-'; - *obufp = '\0'; - disp = - (bfd_signed_vma) disp; - } - - print_displacement (scratchbuf, disp); - oappend (scratchbuf); - } - - *obufp++ = close_char; - *obufp = '\0'; - } - else if (intel_syntax) - { - if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS - | PREFIX_ES | PREFIX_FS | PREFIX_GS)) - ; - else - { - oappend (names_seg[ds_reg - es_reg]); - oappend (":"); - } - print_operand_value (scratchbuf, sizeof(scratchbuf), 1, - disp & 0xffff); - oappend (scratchbuf); - } - } -} - -static void -OP_G (int bytemode, int sizeflag) -{ - int add = 0; - USED_REX (REX_R); - if (rex & REX_R) - add += 8; - switch (bytemode) - { - case b_mode: - USED_REX (0); - if (rex) - oappend (names8rex[modrm.reg + add]); - else - oappend (names8[modrm.reg + add]); - break; - case w_mode: - oappend (names16[modrm.reg + add]); - break; - case d_mode: - oappend (names32[modrm.reg + add]); - break; - case q_mode: - oappend (names64[modrm.reg + add]); - break; - case v_mode: - case dq_mode: - case dqb_mode: - case dqd_mode: - case dqw_mode: - USED_REX (REX_W); - if (rex & REX_W) - oappend (names64[modrm.reg + add]); - else if ((sizeflag & DFLAG) || bytemode != v_mode) - oappend (names32[modrm.reg + add]); - else - oappend (names16[modrm.reg + add]); - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case m_mode: - if (address_mode == mode_64bit) - oappend (names64[modrm.reg + add]); - else - oappend (names32[modrm.reg + add]); - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - break; - } -} - -static void -OP_vvvv (int bytemode, int sizeflags) -{ - USED_REX (REX_W); - if (rex & REX_W) { - oappend(names64[vex_reg]); - } else { - oappend(names32[vex_reg]); - } -} - -static bfd_vma -get64 (void) -{ - bfd_vma x; -#ifdef BFD64 - unsigned int a; - unsigned int b; - - fetch_data(the_info, codep + 8); - a = *codep++ & 0xff; - a |= (*codep++ & 0xff) << 8; - a |= (*codep++ & 0xff) << 16; - a |= (*codep++ & 0xff) << 24; - b = *codep++ & 0xff; - b |= (*codep++ & 0xff) << 8; - b |= (*codep++ & 0xff) << 16; - b |= (*codep++ & 0xff) << 24; - x = a + ((bfd_vma) b << 32); -#else - abort (); - x = 0; -#endif - return x; -} - -static bfd_signed_vma -get32 (void) -{ - bfd_signed_vma x = 0; - - fetch_data(the_info, codep + 4); - x = *codep++ & (bfd_signed_vma) 0xff; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; - return x; -} - -static bfd_signed_vma -get32s (void) -{ - bfd_signed_vma x = 0; - - fetch_data(the_info, codep + 4); - x = *codep++ & (bfd_signed_vma) 0xff; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; - - x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31); - - return x; -} - -static int -get16 (void) -{ - int x = 0; - - fetch_data(the_info, codep + 2); - x = *codep++ & 0xff; - x |= (*codep++ & 0xff) << 8; - return x; -} - -static void -set_op (bfd_vma op, int riprel) -{ - op_index[op_ad] = op_ad; - if (address_mode == mode_64bit) - { - op_address[op_ad] = op; - op_riprel[op_ad] = riprel; - } - else - { - /* Mask to get a 32-bit address. */ - op_address[op_ad] = op & 0xffffffff; - op_riprel[op_ad] = riprel & 0xffffffff; - } -} - -static void -OP_REG (int code, int sizeflag) -{ - const char *s; - int add = 0; - USED_REX (REX_B); - if (rex & REX_B) - add = 8; - - switch (code) - { - case ax_reg: case cx_reg: case dx_reg: case bx_reg: - case sp_reg: case bp_reg: case si_reg: case di_reg: - s = names16[code - ax_reg + add]; - break; - case es_reg: case ss_reg: case cs_reg: - case ds_reg: case fs_reg: case gs_reg: - s = names_seg[code - es_reg + add]; - break; - case al_reg: case ah_reg: case cl_reg: case ch_reg: - case dl_reg: case dh_reg: case bl_reg: case bh_reg: - USED_REX (0); - if (rex) - s = names8rex[code - al_reg + add]; - else - s = names8[code - al_reg]; - break; - case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg: - case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg: - if (address_mode == mode_64bit && (sizeflag & DFLAG)) - { - s = names64[code - rAX_reg + add]; - break; - } - code += eAX_reg - rAX_reg; - /* Fall through. */ - case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: - case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: - USED_REX (REX_W); - if (rex & REX_W) - s = names64[code - eAX_reg + add]; - else if (sizeflag & DFLAG) - s = names32[code - eAX_reg + add]; - else - s = names16[code - eAX_reg + add]; - used_prefixes |= (prefixes & PREFIX_DATA); - break; - default: - s = INTERNAL_DISASSEMBLER_ERROR; - break; - } - oappend (s); -} - -static void -OP_IMREG (int code, int sizeflag) -{ - const char *s; - - switch (code) - { - case indir_dx_reg: - if (intel_syntax) - s = "dx"; - else - s = "(%dx)"; - break; - case ax_reg: case cx_reg: case dx_reg: case bx_reg: - case sp_reg: case bp_reg: case si_reg: case di_reg: - s = names16[code - ax_reg]; - break; - case es_reg: case ss_reg: case cs_reg: - case ds_reg: case fs_reg: case gs_reg: - s = names_seg[code - es_reg]; - break; - case al_reg: case ah_reg: case cl_reg: case ch_reg: - case dl_reg: case dh_reg: case bl_reg: case bh_reg: - USED_REX (0); - if (rex) - s = names8rex[code - al_reg]; - else - s = names8[code - al_reg]; - break; - case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: - case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: - USED_REX (REX_W); - if (rex & REX_W) - s = names64[code - eAX_reg]; - else if (sizeflag & DFLAG) - s = names32[code - eAX_reg]; - else - s = names16[code - eAX_reg]; - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case z_mode_ax_reg: - if ((rex & REX_W) || (sizeflag & DFLAG)) - s = *names32; - else - s = *names16; - if (!(rex & REX_W)) - used_prefixes |= (prefixes & PREFIX_DATA); - break; - default: - s = INTERNAL_DISASSEMBLER_ERROR; - break; - } - oappend (s); -} - -static void -OP_I (int bytemode, int sizeflag) -{ - bfd_signed_vma op; - bfd_signed_vma mask = -1; - - switch (bytemode) - { - case b_mode: - fetch_data(the_info, codep + 1); - op = *codep++; - mask = 0xff; - break; - case q_mode: - if (address_mode == mode_64bit) - { - op = get32s (); - break; - } - /* Fall through. */ - case v_mode: - USED_REX (REX_W); - if (rex & REX_W) - op = get32s (); - else if (sizeflag & DFLAG) - { - op = get32 (); - mask = 0xffffffff; - } - else - { - op = get16 (); - mask = 0xfffff; - } - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case w_mode: - mask = 0xfffff; - op = get16 (); - break; - case const_1_mode: - if (intel_syntax) - oappend ("1"); - return; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - return; - } - - op &= mask; - scratchbuf[0] = '$'; - print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op); - oappend (scratchbuf + intel_syntax); - scratchbuf[0] = '\0'; -} - -static void -OP_I64 (int bytemode, int sizeflag) -{ - bfd_signed_vma op; - bfd_signed_vma mask = -1; - - if (address_mode != mode_64bit) - { - OP_I (bytemode, sizeflag); - return; - } - - switch (bytemode) - { - case b_mode: - fetch_data(the_info, codep + 1); - op = *codep++; - mask = 0xff; - break; - case v_mode: - USED_REX (REX_W); - if (rex & REX_W) - op = get64 (); - else if (sizeflag & DFLAG) - { - op = get32 (); - mask = 0xffffffff; - } - else - { - op = get16 (); - mask = 0xfffff; - } - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case w_mode: - mask = 0xfffff; - op = get16 (); - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - return; - } - - op &= mask; - scratchbuf[0] = '$'; - print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op); - oappend (scratchbuf + intel_syntax); - scratchbuf[0] = '\0'; -} - -static void -OP_sI (int bytemode, int sizeflag) -{ - bfd_signed_vma op; - - switch (bytemode) - { - case b_mode: - fetch_data(the_info, codep + 1); - op = *codep++; - if ((op & 0x80) != 0) - op -= 0x100; - break; - case v_mode: - USED_REX (REX_W); - if (rex & REX_W) - op = get32s (); - else if (sizeflag & DFLAG) - { - op = get32s (); - } - else - { - op = get16 (); - if ((op & 0x8000) != 0) - op -= 0x10000; - } - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case w_mode: - op = get16 (); - if ((op & 0x8000) != 0) - op -= 0x10000; - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - return; - } - - scratchbuf[0] = '$'; - print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_J (int bytemode, int sizeflag) -{ - bfd_vma disp; - bfd_vma mask = -1; - bfd_vma segment = 0; - - switch (bytemode) - { - case b_mode: - fetch_data(the_info, codep + 1); - disp = *codep++; - if ((disp & 0x80) != 0) - disp -= 0x100; - break; - case v_mode: - if ((sizeflag & DFLAG) || (rex & REX_W)) - disp = get32s (); - else - { - disp = get16 (); - if ((disp & 0x8000) != 0) - disp -= 0x10000; - /* In 16bit mode, address is wrapped around at 64k within - the same segment. Otherwise, a data16 prefix on a jump - instruction means that the pc is masked to 16 bits after - the displacement is added! */ - mask = 0xffff; - if ((prefixes & PREFIX_DATA) == 0) - segment = ((start_pc + codep - start_codep) - & ~((bfd_vma) 0xffff)); - } - used_prefixes |= (prefixes & PREFIX_DATA); - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - return; - } - disp = ((start_pc + codep - start_codep + disp) & mask) | segment; - set_op (disp, 0); - print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp); - oappend (scratchbuf); -} - -static void -OP_SEG (int bytemode, int sizeflag) -{ - if (bytemode == w_mode) - oappend (names_seg[modrm.reg]); - else - OP_E (modrm.mod == 3 ? bytemode : w_mode, sizeflag); -} - -static void -OP_DIR (int dummy ATTRIBUTE_UNUSED, int sizeflag) -{ - int seg, offset; - - if (sizeflag & DFLAG) - { - offset = get32 (); - seg = get16 (); - } - else - { - offset = get16 (); - seg = get16 (); - } - used_prefixes |= (prefixes & PREFIX_DATA); - if (intel_syntax) - snprintf (scratchbuf, sizeof(scratchbuf), "0x%x:0x%x", seg, offset); - else - snprintf (scratchbuf, sizeof(scratchbuf), "$0x%x,$0x%x", seg, offset); - oappend (scratchbuf); -} - -static void -OP_OFF (int bytemode, int sizeflag) -{ - bfd_vma off; - - if (intel_syntax && (sizeflag & SUFFIX_ALWAYS)) - intel_operand_size (bytemode, sizeflag); - append_seg (); - - if ((sizeflag & AFLAG) || address_mode == mode_64bit) - off = get32 (); - else - off = get16 (); - - if (intel_syntax) - { - if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS - | PREFIX_ES | PREFIX_FS | PREFIX_GS))) - { - oappend (names_seg[ds_reg - es_reg]); - oappend (":"); - } - } - print_operand_value (scratchbuf, sizeof(scratchbuf), 1, off); - oappend (scratchbuf); -} - -static void -OP_OFF64 (int bytemode, int sizeflag) -{ - bfd_vma off; - - if (address_mode != mode_64bit - || (prefixes & PREFIX_ADDR)) - { - OP_OFF (bytemode, sizeflag); - return; - } - - if (intel_syntax && (sizeflag & SUFFIX_ALWAYS)) - intel_operand_size (bytemode, sizeflag); - append_seg (); - - off = get64 (); - - if (intel_syntax) - { - if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS - | PREFIX_ES | PREFIX_FS | PREFIX_GS))) - { - oappend (names_seg[ds_reg - es_reg]); - oappend (":"); - } - } - print_operand_value (scratchbuf, sizeof(scratchbuf), 1, off); - oappend (scratchbuf); -} - -static void -ptr_reg (int code, int sizeflag) -{ - const char *s; - - *obufp++ = open_char; - used_prefixes |= (prefixes & PREFIX_ADDR); - if (address_mode == mode_64bit) - { - if (!(sizeflag & AFLAG)) - s = names32[code - eAX_reg]; - else - s = names64[code - eAX_reg]; - } - else if (sizeflag & AFLAG) - s = names32[code - eAX_reg]; - else - s = names16[code - eAX_reg]; - oappend (s); - *obufp++ = close_char; - *obufp = 0; -} - -static void -OP_ESreg (int code, int sizeflag) -{ - if (intel_syntax) - { - switch (codep[-1]) - { - case 0x6d: /* insw/insl */ - intel_operand_size (z_mode, sizeflag); - break; - case 0xa5: /* movsw/movsl/movsq */ - case 0xa7: /* cmpsw/cmpsl/cmpsq */ - case 0xab: /* stosw/stosl */ - case 0xaf: /* scasw/scasl */ - intel_operand_size (v_mode, sizeflag); - break; - default: - intel_operand_size (b_mode, sizeflag); - } - } - oappend ("%es:" + intel_syntax); - ptr_reg (code, sizeflag); -} - -static void -OP_DSreg (int code, int sizeflag) -{ - if (intel_syntax) - { - switch (codep[-1]) - { - case 0x6f: /* outsw/outsl */ - intel_operand_size (z_mode, sizeflag); - break; - case 0xa5: /* movsw/movsl/movsq */ - case 0xa7: /* cmpsw/cmpsl/cmpsq */ - case 0xad: /* lodsw/lodsl/lodsq */ - intel_operand_size (v_mode, sizeflag); - break; - default: - intel_operand_size (b_mode, sizeflag); - } - } - if ((prefixes - & (PREFIX_CS - | PREFIX_DS - | PREFIX_SS - | PREFIX_ES - | PREFIX_FS - | PREFIX_GS)) == 0) - prefixes |= PREFIX_DS; - append_seg (); - ptr_reg (code, sizeflag); -} - -static void -OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - int add = 0; - if (rex & REX_R) - { - USED_REX (REX_R); - add = 8; - } - else if (address_mode != mode_64bit && (prefixes & PREFIX_LOCK)) - { - used_prefixes |= PREFIX_LOCK; - add = 8; - } - snprintf (scratchbuf, sizeof(scratchbuf), "%%cr%d", modrm.reg + add); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_D (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - int add = 0; - USED_REX (REX_R); - if (rex & REX_R) - add = 8; - if (intel_syntax) - snprintf (scratchbuf, sizeof(scratchbuf), "db%d", modrm.reg + add); - else - snprintf (scratchbuf, sizeof(scratchbuf), "%%db%d", modrm.reg + add); - oappend (scratchbuf); -} - -static void -OP_T (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - snprintf (scratchbuf, sizeof(scratchbuf), "%%tr%d", modrm.reg); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_R (int bytemode, int sizeflag) -{ - if (modrm.mod == 3) - OP_E (bytemode, sizeflag); - else - BadOp (); -} - -static void -OP_MMX (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - used_prefixes |= (prefixes & PREFIX_DATA); - if (prefixes & PREFIX_DATA) - { - int add = 0; - USED_REX (REX_R); - if (rex & REX_R) - add = 8; - snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.reg + add); - } - else - snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.reg); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_XMM (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - int add = 0; - USED_REX (REX_R); - if (rex & REX_R) - add = 8; - snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.reg + add); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_EM (int bytemode, int sizeflag) -{ - if (modrm.mod != 3) - { - if (intel_syntax && bytemode == v_mode) - { - bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode; - used_prefixes |= (prefixes & PREFIX_DATA); - } - OP_E (bytemode, sizeflag); - return; - } - - /* Skip mod/rm byte. */ - MODRM_CHECK; - codep++; - used_prefixes |= (prefixes & PREFIX_DATA); - if (prefixes & PREFIX_DATA) - { - int add = 0; - - USED_REX (REX_B); - if (rex & REX_B) - add = 8; - snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.rm + add); - } - else - snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.rm); - oappend (scratchbuf + intel_syntax); -} - -/* cvt* are the only instructions in sse2 which have - both SSE and MMX operands and also have 0x66 prefix - in their opcode. 0x66 was originally used to differentiate - between SSE and MMX instruction(operands). So we have to handle the - cvt* separately using OP_EMC and OP_MXC */ -static void -OP_EMC (int bytemode, int sizeflag) -{ - if (modrm.mod != 3) - { - if (intel_syntax && bytemode == v_mode) - { - bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode; - used_prefixes |= (prefixes & PREFIX_DATA); - } - OP_E (bytemode, sizeflag); - return; - } - - /* Skip mod/rm byte. */ - MODRM_CHECK; - codep++; - used_prefixes |= (prefixes & PREFIX_DATA); - snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.rm); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_MXC (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - used_prefixes |= (prefixes & PREFIX_DATA); - snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.reg); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_EX (int bytemode, int sizeflag) -{ - int add = 0; - if (modrm.mod != 3) - { - OP_E (bytemode, sizeflag); - return; - } - USED_REX (REX_B); - if (rex & REX_B) - add = 8; - - /* Skip mod/rm byte. */ - MODRM_CHECK; - codep++; - snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.rm + add); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_MS (int bytemode, int sizeflag) -{ - if (modrm.mod == 3) - OP_EM (bytemode, sizeflag); - else - BadOp (); -} - -static void -OP_XS (int bytemode, int sizeflag) -{ - if (modrm.mod == 3) - OP_EX (bytemode, sizeflag); - else - BadOp (); -} - -static void -OP_M (int bytemode, int sizeflag) -{ - if (modrm.mod == 3) - /* bad bound,lea,lds,les,lfs,lgs,lss,cmpxchg8b,vmptrst modrm */ - BadOp (); - else - OP_E (bytemode, sizeflag); -} - -static void -OP_0f07 (int bytemode, int sizeflag) -{ - if (modrm.mod != 3 || modrm.rm != 0) - BadOp (); - else - OP_E (bytemode, sizeflag); -} - -static void -OP_0fae (int bytemode, int sizeflag) -{ - if (modrm.mod == 3) - { - if (modrm.reg == 7) - strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence"); - - if (modrm.reg < 5 || modrm.rm != 0) - { - BadOp (); /* bad sfence, mfence, or lfence */ - return; - } - } - else if (modrm.reg != 7) - { - BadOp (); /* bad clflush */ - return; - } - - OP_E (bytemode, sizeflag); -} - -/* NOP is an alias of "xchg %ax,%ax" in 16bit mode, "xchg %eax,%eax" in - 32bit mode and "xchg %rax,%rax" in 64bit mode. */ - -static void -NOP_Fixup1 (int bytemode, int sizeflag) -{ - if ((prefixes & PREFIX_DATA) != 0 - || (rex != 0 - && rex != 0x48 - && address_mode == mode_64bit)) - OP_REG (bytemode, sizeflag); - else - strcpy (obuf, "nop"); -} - -static void -NOP_Fixup2 (int bytemode, int sizeflag) -{ - if ((prefixes & PREFIX_DATA) != 0 - || (rex != 0 - && rex != 0x48 - && address_mode == mode_64bit)) - OP_IMREG (bytemode, sizeflag); -} - -static const char *Suffix3DNow[] = { -/* 00 */ NULL, NULL, NULL, NULL, -/* 04 */ NULL, NULL, NULL, NULL, -/* 08 */ NULL, NULL, NULL, NULL, -/* 0C */ "pi2fw", "pi2fd", NULL, NULL, -/* 10 */ NULL, NULL, NULL, NULL, -/* 14 */ NULL, NULL, NULL, NULL, -/* 18 */ NULL, NULL, NULL, NULL, -/* 1C */ "pf2iw", "pf2id", NULL, NULL, -/* 20 */ NULL, NULL, NULL, NULL, -/* 24 */ NULL, NULL, NULL, NULL, -/* 28 */ NULL, NULL, NULL, NULL, -/* 2C */ NULL, NULL, NULL, NULL, -/* 30 */ NULL, NULL, NULL, NULL, -/* 34 */ NULL, NULL, NULL, NULL, -/* 38 */ NULL, NULL, NULL, NULL, -/* 3C */ NULL, NULL, NULL, NULL, -/* 40 */ NULL, NULL, NULL, NULL, -/* 44 */ NULL, NULL, NULL, NULL, -/* 48 */ NULL, NULL, NULL, NULL, -/* 4C */ NULL, NULL, NULL, NULL, -/* 50 */ NULL, NULL, NULL, NULL, -/* 54 */ NULL, NULL, NULL, NULL, -/* 58 */ NULL, NULL, NULL, NULL, -/* 5C */ NULL, NULL, NULL, NULL, -/* 60 */ NULL, NULL, NULL, NULL, -/* 64 */ NULL, NULL, NULL, NULL, -/* 68 */ NULL, NULL, NULL, NULL, -/* 6C */ NULL, NULL, NULL, NULL, -/* 70 */ NULL, NULL, NULL, NULL, -/* 74 */ NULL, NULL, NULL, NULL, -/* 78 */ NULL, NULL, NULL, NULL, -/* 7C */ NULL, NULL, NULL, NULL, -/* 80 */ NULL, NULL, NULL, NULL, -/* 84 */ NULL, NULL, NULL, NULL, -/* 88 */ NULL, NULL, "pfnacc", NULL, -/* 8C */ NULL, NULL, "pfpnacc", NULL, -/* 90 */ "pfcmpge", NULL, NULL, NULL, -/* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt", -/* 98 */ NULL, NULL, "pfsub", NULL, -/* 9C */ NULL, NULL, "pfadd", NULL, -/* A0 */ "pfcmpgt", NULL, NULL, NULL, -/* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1", -/* A8 */ NULL, NULL, "pfsubr", NULL, -/* AC */ NULL, NULL, "pfacc", NULL, -/* B0 */ "pfcmpeq", NULL, NULL, NULL, -/* B4 */ "pfmul", NULL, "pfrcpit2", "pmulhrw", -/* B8 */ NULL, NULL, NULL, "pswapd", -/* BC */ NULL, NULL, NULL, "pavgusb", -/* C0 */ NULL, NULL, NULL, NULL, -/* C4 */ NULL, NULL, NULL, NULL, -/* C8 */ NULL, NULL, NULL, NULL, -/* CC */ NULL, NULL, NULL, NULL, -/* D0 */ NULL, NULL, NULL, NULL, -/* D4 */ NULL, NULL, NULL, NULL, -/* D8 */ NULL, NULL, NULL, NULL, -/* DC */ NULL, NULL, NULL, NULL, -/* E0 */ NULL, NULL, NULL, NULL, -/* E4 */ NULL, NULL, NULL, NULL, -/* E8 */ NULL, NULL, NULL, NULL, -/* EC */ NULL, NULL, NULL, NULL, -/* F0 */ NULL, NULL, NULL, NULL, -/* F4 */ NULL, NULL, NULL, NULL, -/* F8 */ NULL, NULL, NULL, NULL, -/* FC */ NULL, NULL, NULL, NULL, -}; - -static void -OP_3DNowSuffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - const char *mnemonic; - - fetch_data(the_info, codep + 1); - /* AMD 3DNow! instructions are specified by an opcode suffix in the - place where an 8-bit immediate would normally go. ie. the last - byte of the instruction. */ - obufp = obuf + strlen (obuf); - mnemonic = Suffix3DNow[*codep++ & 0xff]; - if (mnemonic) - oappend (mnemonic); - else - { - /* Since a variable sized modrm/sib chunk is between the start - of the opcode (0x0f0f) and the opcode suffix, we need to do - all the modrm processing first, and don't know until now that - we have a bad opcode. This necessitates some cleaning up. */ - op_out[0][0] = '\0'; - op_out[1][0] = '\0'; - BadOp (); - } -} - -static const char *simd_cmp_op[] = { - "eq", - "lt", - "le", - "unord", - "neq", - "nlt", - "nle", - "ord" -}; - -static void -OP_SIMD_Suffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) -{ - unsigned int cmp_type; - - fetch_data(the_info, codep + 1); - obufp = obuf + strlen (obuf); - cmp_type = *codep++ & 0xff; - if (cmp_type < 8) - { - char suffix1 = 'p', suffix2 = 's'; - used_prefixes |= (prefixes & PREFIX_REPZ); - if (prefixes & PREFIX_REPZ) - suffix1 = 's'; - else - { - used_prefixes |= (prefixes & PREFIX_DATA); - if (prefixes & PREFIX_DATA) - suffix2 = 'd'; - else - { - used_prefixes |= (prefixes & PREFIX_REPNZ); - if (prefixes & PREFIX_REPNZ) - suffix1 = 's', suffix2 = 'd'; - } - } - snprintf (scratchbuf, sizeof(scratchbuf), "cmp%s%c%c", - simd_cmp_op[cmp_type], suffix1, suffix2); - used_prefixes |= (prefixes & PREFIX_REPZ); - oappend (scratchbuf); - } - else - { - /* We have a bad extension byte. Clean up. */ - op_out[0][0] = '\0'; - op_out[1][0] = '\0'; - BadOp (); - } -} - -static void -SIMD_Fixup (int extrachar, int sizeflag ATTRIBUTE_UNUSED) -{ - /* Change movlps/movhps to movhlps/movlhps for 2 register operand - forms of these instructions. */ - if (modrm.mod == 3) - { - char *p = obuf + strlen (obuf); - *(p + 1) = '\0'; - *p = *(p - 1); - *(p - 1) = *(p - 2); - *(p - 2) = *(p - 3); - *(p - 3) = extrachar; - } -} - -static void -PNI_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag) -{ - if (modrm.mod == 3 && modrm.reg == 1 && modrm.rm <= 1) - { - /* Override "sidt". */ - size_t olen = strlen (obuf); - char *p = obuf + olen - 4; - const char * const *names = (address_mode == mode_64bit - ? names64 : names32); - - /* We might have a suffix when disassembling with -Msuffix. */ - if (*p == 'i') - --p; - - /* Remove "addr16/addr32" if we aren't in Intel mode. */ - if (!intel_syntax - && (prefixes & PREFIX_ADDR) - && olen >= (4 + 7) - && *(p - 1) == ' ' - && strncmp (p - 7, "addr", 4) == 0 - && (strncmp (p - 3, "16", 2) == 0 - || strncmp (p - 3, "32", 2) == 0)) - p -= 7; - - if (modrm.rm) - { - /* mwait %eax,%ecx */ - strcpy (p, "mwait"); - if (!intel_syntax) - strcpy (op_out[0], names[0]); - } - else - { - /* monitor %eax,%ecx,%edx" */ - strcpy (p, "monitor"); - if (!intel_syntax) - { - const char * const *op1_names; - if (!(prefixes & PREFIX_ADDR)) - op1_names = (address_mode == mode_16bit - ? names16 : names); - else - { - op1_names = (address_mode != mode_32bit - ? names32 : names16); - used_prefixes |= PREFIX_ADDR; - } - strcpy (op_out[0], op1_names[0]); - strcpy (op_out[2], names[2]); - } - } - if (!intel_syntax) - { - strcpy (op_out[1], names[1]); - two_source_ops = 1; - } - - codep++; - } - else - OP_M (0, sizeflag); -} - -static void -SVME_Fixup (int bytemode, int sizeflag) -{ - const char *alt; - char *p; - - switch (*codep) - { - case 0xd8: - alt = "vmrun"; - break; - case 0xd9: - alt = "vmmcall"; - break; - case 0xda: - alt = "vmload"; - break; - case 0xdb: - alt = "vmsave"; - break; - case 0xdc: - alt = "stgi"; - break; - case 0xdd: - alt = "clgi"; - break; - case 0xde: - alt = "skinit"; - break; - case 0xdf: - alt = "invlpga"; - break; - default: - OP_M (bytemode, sizeflag); - return; - } - /* Override "lidt". */ - p = obuf + strlen (obuf) - 4; - /* We might have a suffix. */ - if (*p == 'i') - --p; - strcpy (p, alt); - if (!(prefixes & PREFIX_ADDR)) - { - ++codep; - return; - } - used_prefixes |= PREFIX_ADDR; - switch (*codep++) - { - case 0xdf: - strcpy (op_out[1], names32[1]); - two_source_ops = 1; - /* Fall through. */ - case 0xd8: - case 0xda: - case 0xdb: - *obufp++ = open_char; - if (address_mode == mode_64bit || (sizeflag & AFLAG)) - alt = names32[0]; - else - alt = names16[0]; - strcpy (obufp, alt); - obufp += strlen (alt); - *obufp++ = close_char; - *obufp = '\0'; - break; - } -} - -static void -INVLPG_Fixup (int bytemode, int sizeflag) -{ - const char *alt; - - switch (*codep) - { - case 0xf8: - alt = "swapgs"; - break; - case 0xf9: - alt = "rdtscp"; - break; - default: - OP_M (bytemode, sizeflag); - return; - } - /* Override "invlpg". */ - strcpy (obuf + strlen (obuf) - 6, alt); - codep++; -} - -static void -BadOp (void) -{ - /* Throw away prefixes and 1st. opcode byte. */ - codep = insn_codep + 1; - oappend ("(bad)"); -} - -static void -VMX_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag) -{ - if (modrm.mod == 3 - && modrm.reg == 0 - && modrm.rm >=1 - && modrm.rm <= 4) - { - /* Override "sgdt". */ - char *p = obuf + strlen (obuf) - 4; - - /* We might have a suffix when disassembling with -Msuffix. */ - if (*p == 'g') - --p; - - switch (modrm.rm) - { - case 1: - strcpy (p, "vmcall"); - break; - case 2: - strcpy (p, "vmlaunch"); - break; - case 3: - strcpy (p, "vmresume"); - break; - case 4: - strcpy (p, "vmxoff"); - break; - } - - codep++; - } - else - OP_E (0, sizeflag); -} - -static void -OP_VMX (int bytemode, int sizeflag) -{ - used_prefixes |= (prefixes & (PREFIX_DATA | PREFIX_REPZ)); - if (prefixes & PREFIX_DATA) - strcpy (obuf, "vmclear"); - else if (prefixes & PREFIX_REPZ) - strcpy (obuf, "vmxon"); - else - strcpy (obuf, "vmptrld"); - OP_E (bytemode, sizeflag); -} - -static void -REP_Fixup (int bytemode, int sizeflag) -{ - /* The 0xf3 prefix should be displayed as "rep" for ins, outs, movs, - lods and stos. */ - size_t ilen = 0; - - if (prefixes & PREFIX_REPZ) - switch (*insn_codep) - { - case 0x6e: /* outsb */ - case 0x6f: /* outsw/outsl */ - case 0xa4: /* movsb */ - case 0xa5: /* movsw/movsl/movsq */ - if (!intel_syntax) - ilen = 5; - else - ilen = 4; - break; - case 0xaa: /* stosb */ - case 0xab: /* stosw/stosl/stosq */ - case 0xac: /* lodsb */ - case 0xad: /* lodsw/lodsl/lodsq */ - if (!intel_syntax && (sizeflag & SUFFIX_ALWAYS)) - ilen = 5; - else - ilen = 4; - break; - case 0x6c: /* insb */ - case 0x6d: /* insl/insw */ - if (!intel_syntax) - ilen = 4; - else - ilen = 3; - break; - default: - abort (); - break; - } - - if (ilen != 0) - { - size_t olen; - char *p; - - olen = strlen (obuf); - p = obuf + olen - ilen - 1 - 4; - /* Handle "repz [addr16|addr32]". */ - if ((prefixes & PREFIX_ADDR)) - p -= 1 + 6; - - memmove (p + 3, p + 4, olen - (p + 3 - obuf)); - } - - switch (bytemode) - { - case al_reg: - case eAX_reg: - case indir_dx_reg: - OP_IMREG (bytemode, sizeflag); - break; - case eDI_reg: - OP_ESreg (bytemode, sizeflag); - break; - case eSI_reg: - OP_DSreg (bytemode, sizeflag); - break; - default: - abort (); - break; - } -} - -static void -CMPXCHG8B_Fixup (int bytemode, int sizeflag) -{ - USED_REX (REX_W); - if (rex & REX_W) - { - /* Change cmpxchg8b to cmpxchg16b. */ - char *p = obuf + strlen (obuf) - 2; - strcpy (p, "16b"); - bytemode = o_mode; - } - OP_M (bytemode, sizeflag); -} - -static void -XMM_Fixup (int reg, int sizeflag ATTRIBUTE_UNUSED) -{ - snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", reg); - oappend (scratchbuf + intel_syntax); -} - -static void -CRC32_Fixup (int bytemode, int sizeflag) -{ - /* Add proper suffix to "crc32". */ - char *p = obuf + strlen (obuf); - - switch (bytemode) - { - case b_mode: - if (intel_syntax) - break; - - *p++ = 'b'; - break; - case v_mode: - if (intel_syntax) - break; - - USED_REX (REX_W); - if (rex & REX_W) - *p++ = 'q'; - else if (sizeflag & DFLAG) - *p++ = 'l'; - else - *p++ = 'w'; - used_prefixes |= (prefixes & PREFIX_DATA); - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - break; - } - *p = '\0'; - - if (modrm.mod == 3) - { - int add; - - /* Skip mod/rm byte. */ - MODRM_CHECK; - codep++; - - USED_REX (REX_B); - add = (rex & REX_B) ? 8 : 0; - if (bytemode == b_mode) - { - USED_REX (0); - if (rex) - oappend (names8rex[modrm.rm + add]); - else - oappend (names8[modrm.rm + add]); - } - else - { - USED_REX (REX_W); - if (rex & REX_W) - oappend (names64[modrm.rm + add]); - else if ((prefixes & PREFIX_DATA)) - oappend (names16[modrm.rm + add]); - else - oappend (names32[modrm.rm + add]); - } - } - else - OP_E (bytemode, sizeflag); -} |