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/* Print i386 instructions for GDB, the GNU debugger.
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Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2001
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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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*
* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
* July 1988
* modified by John Hassey (hassey@dg-rtp.dg.com)
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* x86-64 support added by Jan Hubicka (jh@suse.cz)
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*/
/*
* 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,
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* and the small letter tells about the operand size. Refer to
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* the Intel manual for details.
*/
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#include <stdlib.h>
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#include "dis-asm.h"
#define MAXLEN 20
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#include <setjmp.h>
#ifndef UNIXWARE_COMPAT
/* Set non-zero for broken, compatible instructions. Set to zero for
non-broken opcodes. */
#define UNIXWARE_COMPAT 1
#endif
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static int fetch_data PARAMS ((struct disassemble_info *, bfd_byte *));
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static void ckprefix PARAMS ((void));
static const char *prefix_name PARAMS ((int, int));
static int print_insn PARAMS ((bfd_vma, disassemble_info *));
static void dofloat PARAMS ((int));
static void OP_ST PARAMS ((int, int));
static void OP_STi PARAMS ((int, int));
static int putop PARAMS ((const char *, int));
static void oappend PARAMS ((const char *));
static void append_seg PARAMS ((void));
static void OP_indirE PARAMS ((int, int));
static void print_operand_value PARAMS ((char *, int, bfd_vma));
static void OP_E PARAMS ((int, int));
static void OP_G PARAMS ((int, int));
static bfd_vma get64 PARAMS ((void));
static bfd_signed_vma get32 PARAMS ((void));
static bfd_signed_vma get32s PARAMS ((void));
static int get16 PARAMS ((void));
static void set_op PARAMS ((bfd_vma, int));
static void OP_REG PARAMS ((int, int));
static void OP_IMREG PARAMS ((int, int));
static void OP_I PARAMS ((int, int));
static void OP_I64 PARAMS ((int, int));
static void OP_sI PARAMS ((int, int));
static void OP_J PARAMS ((int, int));
static void OP_SEG PARAMS ((int, int));
static void OP_DIR PARAMS ((int, int));
static void OP_OFF PARAMS ((int, int));
static void OP_OFF64 PARAMS ((int, int));
static void ptr_reg PARAMS ((int, int));
static void OP_ESreg PARAMS ((int, int));
static void OP_DSreg PARAMS ((int, int));
static void OP_C PARAMS ((int, int));
static void OP_D PARAMS ((int, int));
static void OP_T PARAMS ((int, int));
static void OP_Rd PARAMS ((int, int));
static void OP_MMX PARAMS ((int, int));
static void OP_XMM PARAMS ((int, int));
static void OP_EM PARAMS ((int, int));
static void OP_EX PARAMS ((int, int));
static void OP_MS PARAMS ((int, int));
static void OP_XS PARAMS ((int, int));
static void OP_3DNowSuffix PARAMS ((int, int));
static void OP_SIMD_Suffix PARAMS ((int, int));
static void SIMD_Fixup PARAMS ((int, int));
static void BadOp PARAMS ((void));
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struct dis_private {
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/* Points to first byte not fetched. */
bfd_byte *max_fetched;
bfd_byte the_buffer[MAXLEN];
bfd_vma insn_start;
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int orig_sizeflag;
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jmp_buf bailout;
};
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/* The opcode for the fwait instruction, which we treat as a prefix
when we can. */
#define FWAIT_OPCODE (0x9b)
/* Set to 1 for 64bit mode disassembly. */
static int mode_64bit;
/* 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;
#define REX_MODE64 8
#define REX_EXTX 4
#define REX_EXTY 2
#define REX_EXTZ 1
/* 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) \
rex_used |= (rex & value) ? (value) | 0x40 : 0; \
else \
rex_used |= 0x40; \
}
/* Flags for prefixes which we somehow handled when printing the
current instruction. */
static int used_prefixes;
/* 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
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/* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
to ADDR (exclusive) are valid. Returns 1 for success, longjmps
on error. */
#define FETCH_DATA(info, addr) \
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((addr) <= ((struct dis_private *) (info->private_data))->max_fetched \
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? 1 : fetch_data ((info), (addr)))
static int
fetch_data (info, addr)
struct disassemble_info *info;
bfd_byte *addr;
{
int status;
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struct dis_private *priv = (struct dis_private *) info->private_data;
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bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer);
status = (*info->read_memory_func) (start,
priv->max_fetched,
addr - priv->max_fetched,
info);
if (status != 0)
{
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/* 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);
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longjmp (priv->bailout, 1);
}
else
priv->max_fetched = addr;
return 1;
}
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#define XX NULL, 0
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#define Eb OP_E, b_mode
#define Ev OP_E, v_mode
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#define Ed OP_E, d_mode
#define indirEb OP_indirE, b_mode
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#define indirEv OP_indirE, v_mode
#define Ew OP_E, w_mode
#define Ma OP_E, v_mode
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#define M OP_E, 0 /* lea, lgdt, etc. */
#define Mp OP_E, 0 /* 32 or 48 bit memory operand for LDS, LES etc */
#define Gb OP_G, b_mode
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#define Gv OP_G, v_mode
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#define Gd OP_G, d_mode
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#define Gw OP_G, w_mode
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#define Rd OP_Rd, d_mode
#define Rm OP_Rd, m_mode
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#define Ib OP_I, b_mode
#define sIb OP_sI, b_mode /* sign extened byte */
#define Iv OP_I, v_mode
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#define Iq OP_I, q_mode
#define Iv64 OP_I64, v_mode
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#define Iw OP_I, w_mode
#define Jb OP_J, b_mode
#define Jv OP_J, v_mode
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#define Cm OP_C, m_mode
#define Dm OP_D, m_mode
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#define Td OP_T, d_mode
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#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 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 indirDX OP_IMREG, indir_dx_reg
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#define Sw OP_SEG, w_mode
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#define Ap OP_DIR, 0
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#define Ob OP_OFF, b_mode
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#define Ob64 OP_OFF64, b_mode
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#define Ov OP_OFF, v_mode
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#define Ov64 OP_OFF64, v_mode
#define Xb OP_DSreg, eSI_reg
#define Xv OP_DSreg, eSI_reg
#define Yb OP_ESreg, eDI_reg
#define Yv OP_ESreg, eDI_reg
#define DSBX OP_DSreg, eBX_reg
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#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
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#define XM OP_XMM, 0
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#define EM OP_EM, v_mode
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#define EX OP_EX, v_mode
#define MS OP_MS, v_mode
#define XS OP_XS, v_mode
#define None OP_E, 0
#define OPSUF OP_3DNowSuffix, 0
#define OPSIMD OP_SIMD_Suffix, 0
#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
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#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 x_mode 6
#define m_mode 7 /* d_mode in 32bit, q_mode in 64bit mode. */
#define cond_jump_mode 8
#define loop_jcxz_mode 9
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#define es_reg 100
#define cs_reg 101
#define ss_reg 102
#define ds_reg 103
#define fs_reg 104
#define gs_reg 105
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#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
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#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
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#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
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#define indir_dx_reg 150
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#define FLOATCODE 1
#define USE_GROUPS 2
#define USE_PREFIX_USER_TABLE 3
#define X86_64_SPECIAL 4
#define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0
#define GRP1b NULL, NULL, USE_GROUPS, NULL, 0, NULL, 0
#define GRP1S NULL, NULL, USE_GROUPS, NULL, 1, NULL, 0
#define GRP1Ss NULL, NULL, USE_GROUPS, NULL, 2, NULL, 0
#define GRP2b NULL, NULL, USE_GROUPS, NULL, 3, NULL, 0
#define GRP2S NULL, NULL, USE_GROUPS, NULL, 4, NULL, 0
#define GRP2b_one NULL, NULL, USE_GROUPS, NULL, 5, NULL, 0
#define GRP2S_one NULL, NULL, USE_GROUPS, NULL, 6, NULL, 0
#define GRP2b_cl NULL, NULL, USE_GROUPS, NULL, 7, NULL, 0
#define GRP2S_cl NULL, NULL, USE_GROUPS, NULL, 8, NULL, 0
#define GRP3b NULL, NULL, USE_GROUPS, NULL, 9, NULL, 0
#define GRP3S NULL, NULL, USE_GROUPS, NULL, 10, NULL, 0
#define GRP4 NULL, NULL, USE_GROUPS, NULL, 11, NULL, 0
#define GRP5 NULL, NULL, USE_GROUPS, NULL, 12, NULL, 0
#define GRP6 NULL, NULL, USE_GROUPS, NULL, 13, NULL, 0
#define GRP7 NULL, NULL, USE_GROUPS, NULL, 14, NULL, 0
#define GRP8 NULL, NULL, USE_GROUPS, NULL, 15, NULL, 0
#define GRP9 NULL, NULL, USE_GROUPS, NULL, 16, NULL, 0
#define GRP10 NULL, NULL, USE_GROUPS, NULL, 17, NULL, 0
#define GRP11 NULL, NULL, USE_GROUPS, NULL, 18, NULL, 0
#define GRP12 NULL, NULL, USE_GROUPS, NULL, 19, NULL, 0
#define GRP13 NULL, NULL, USE_GROUPS, NULL, 20, NULL, 0
#define GRP14 NULL, NULL, USE_GROUPS, NULL, 21, NULL, 0
#define GRPAMD NULL, NULL, USE_GROUPS, NULL, 22, NULL, 0
#define PREGRP0 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 0, NULL, 0
#define PREGRP1 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 1, NULL, 0
#define PREGRP2 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 2, NULL, 0
#define PREGRP3 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 3, NULL, 0
#define PREGRP4 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 4, NULL, 0
#define PREGRP5 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 5, NULL, 0
#define PREGRP6 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 6, NULL, 0
#define PREGRP7 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 7, NULL, 0
#define PREGRP8 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 8, NULL, 0
#define PREGRP9 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 9, NULL, 0
#define PREGRP10 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 10, NULL, 0
#define PREGRP11 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 11, NULL, 0
#define PREGRP12 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 12, NULL, 0
#define PREGRP13 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 13, NULL, 0
#define PREGRP14 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 14, NULL, 0
#define PREGRP15 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 15, NULL, 0
#define PREGRP16 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 16, NULL, 0
#define PREGRP17 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 17, NULL, 0
#define PREGRP18 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 18, NULL, 0
#define PREGRP19 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 19, NULL, 0
#define PREGRP20 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 20, NULL, 0
#define PREGRP21 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 21, NULL, 0
#define PREGRP22 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 22, NULL, 0
#define PREGRP23 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 23, NULL, 0
#define PREGRP24 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 24, NULL, 0
#define PREGRP25 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 25, NULL, 0
#define PREGRP26 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 26, NULL, 0
#define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0
typedef void (*op_rtn) PARAMS ((int bytemode, int sizeflag));
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struct dis386 {
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const char *name;
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op_rtn op1;
int bytemode1;
op_rtn op2;
int bytemode2;
op_rtn op3;
int bytemode3;
};
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/* 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
'E' => print 'e' if 32-bit form of jcxz
'F' => print 'w' or 'l' depending on address size prefix (loop insns)
'H' => print ",pt" or ",pn" branch hint
'L' => print 'l' if suffix_always is true
'N' => print 'n' if instruction has no wait "prefix"
'O' => print 'd', or 'o'
'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' ("wd" or "dq" 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
'X' => print 's', 'd' depending on data16 prefix (for XMM)
'W' => print 'b' or 'w' ("w" or "de" in intel mode)
'Y' => 'q' if instruction has an REX 64bit overwrite prefix
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[] = {
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464
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/* 00 */
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|
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466
467
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{ "addB", Eb, Gb, XX },
{ "addS", Ev, Gv, XX },
{ "addB", Gb, Eb, XX },
{ "addS", Gv, Ev, XX },
{ "addB", AL, Ib, XX },
{ "addS", eAX, Iv, XX },
{ "push{T|}", es, XX, XX },
{ "pop{T|}", es, XX, XX },
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473
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/* 08 */
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|
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{ "orB", Eb, Gb, XX },
{ "orS", Ev, Gv, XX },
{ "orB", Gb, Eb, XX },
{ "orS", Gv, Ev, XX },
{ "orB", AL, Ib, XX },
{ "orS", eAX, Iv, XX },
{ "push{T|}", cs, XX, XX },
{ "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */
|
|
482
|
/* 10 */
|
|
483
484
485
486
487
488
489
490
|
{ "adcB", Eb, Gb, XX },
{ "adcS", Ev, Gv, XX },
{ "adcB", Gb, Eb, XX },
{ "adcS", Gv, Ev, XX },
{ "adcB", AL, Ib, XX },
{ "adcS", eAX, Iv, XX },
{ "push{T|}", ss, XX, XX },
{ "popT|}", ss, XX, XX },
|
|
491
|
/* 18 */
|
|
492
493
494
495
496
497
498
499
|
{ "sbbB", Eb, Gb, XX },
{ "sbbS", Ev, Gv, XX },
{ "sbbB", Gb, Eb, XX },
{ "sbbS", Gv, Ev, XX },
{ "sbbB", AL, Ib, XX },
{ "sbbS", eAX, Iv, XX },
{ "push{T|}", ds, XX, XX },
{ "pop{T|}", ds, XX, XX },
|
|
500
|
/* 20 */
|
|
501
502
503
504
505
506
507
508
|
{ "andB", Eb, Gb, XX },
{ "andS", Ev, Gv, XX },
{ "andB", Gb, Eb, XX },
{ "andS", Gv, Ev, XX },
{ "andB", AL, Ib, XX },
{ "andS", eAX, Iv, XX },
{ "(bad)", XX, XX, XX }, /* SEG ES prefix */
{ "daa{|}", XX, XX, XX },
|
|
509
|
/* 28 */
|
|
510
511
512
513
514
515
516
517
|
{ "subB", Eb, Gb, XX },
{ "subS", Ev, Gv, XX },
{ "subB", Gb, Eb, XX },
{ "subS", Gv, Ev, XX },
{ "subB", AL, Ib, XX },
{ "subS", eAX, Iv, XX },
{ "(bad)", XX, XX, XX }, /* SEG CS prefix */
{ "das{|}", XX, XX, XX },
|
|
518
|
/* 30 */
|
|
519
520
521
522
523
524
525
526
|
{ "xorB", Eb, Gb, XX },
{ "xorS", Ev, Gv, XX },
{ "xorB", Gb, Eb, XX },
{ "xorS", Gv, Ev, XX },
{ "xorB", AL, Ib, XX },
{ "xorS", eAX, Iv, XX },
{ "(bad)", XX, XX, XX }, /* SEG SS prefix */
{ "aaa{|}", XX, XX, XX },
|
|
527
|
/* 38 */
|
|
528
529
530
531
532
533
534
535
|
{ "cmpB", Eb, Gb, XX },
{ "cmpS", Ev, Gv, XX },
{ "cmpB", Gb, Eb, XX },
{ "cmpS", Gv, Ev, XX },
{ "cmpB", AL, Ib, XX },
{ "cmpS", eAX, Iv, XX },
{ "(bad)", XX, XX, XX }, /* SEG DS prefix */
{ "aas{|}", XX, XX, XX },
|
|
536
|
/* 40 */
|
|
537
538
539
540
541
542
543
544
|
{ "inc{S|}", RMeAX, XX, XX },
{ "inc{S|}", RMeCX, XX, XX },
{ "inc{S|}", RMeDX, XX, XX },
{ "inc{S|}", RMeBX, XX, XX },
{ "inc{S|}", RMeSP, XX, XX },
{ "inc{S|}", RMeBP, XX, XX },
{ "inc{S|}", RMeSI, XX, XX },
{ "inc{S|}", RMeDI, XX, XX },
|
|
545
|
/* 48 */
|
|
546
547
548
549
550
551
552
553
|
{ "dec{S|}", RMeAX, XX, XX },
{ "dec{S|}", RMeCX, XX, XX },
{ "dec{S|}", RMeDX, XX, XX },
{ "dec{S|}", RMeBX, XX, XX },
{ "dec{S|}", RMeSP, XX, XX },
{ "dec{S|}", RMeBP, XX, XX },
{ "dec{S|}", RMeSI, XX, XX },
{ "dec{S|}", RMeDI, XX, XX },
|
|
554
|
/* 50 */
|
|
555
556
557
558
559
560
561
562
|
{ "pushS", RMrAX, XX, XX },
{ "pushS", RMrCX, XX, XX },
{ "pushS", RMrDX, XX, XX },
{ "pushS", RMrBX, XX, XX },
{ "pushS", RMrSP, XX, XX },
{ "pushS", RMrBP, XX, XX },
{ "pushS", RMrSI, XX, XX },
{ "pushS", RMrDI, XX, XX },
|
|
563
|
/* 58 */
|
|
564
565
566
567
568
569
570
571
|
{ "popS", RMrAX, XX, XX },
{ "popS", RMrCX, XX, XX },
{ "popS", RMrDX, XX, XX },
{ "popS", RMrBX, XX, XX },
{ "popS", RMrSP, XX, XX },
{ "popS", RMrBP, XX, XX },
{ "popS", RMrSI, XX, XX },
{ "popS", RMrDI, XX, XX },
|
|
572
|
/* 60 */
|
|
573
574
575
576
577
578
579
580
|
{ "pusha{P|}", XX, XX, XX },
{ "popa{P|}", XX, XX, XX },
{ "bound{S|}", Gv, Ma, XX },
{ X86_64_0 },
{ "(bad)", XX, XX, XX }, /* seg fs */
{ "(bad)", XX, XX, XX }, /* seg gs */
{ "(bad)", XX, XX, XX }, /* op size prefix */
{ "(bad)", XX, XX, XX }, /* adr size prefix */
|
|
581
|
/* 68 */
|
|
582
583
584
585
586
587
588
589
|
{ "pushT", Iq, XX, XX },
{ "imulS", Gv, Ev, Iv },
{ "pushT", sIb, XX, XX },
{ "imulS", Gv, Ev, sIb },
{ "ins{b||b|}", Yb, indirDX, XX },
{ "ins{R||R|}", Yv, indirDX, XX },
{ "outs{b||b|}", indirDX, Xb, XX },
{ "outs{R||R|}", indirDX, Xv, XX },
|
|
590
|
/* 70 */
|
|
591
592
593
594
595
596
597
598
|
{ "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 },
|
|
599
|
/* 78 */
|
|
600
601
602
603
604
605
606
607
|
{ "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 },
|
|
608
609
610
|
/* 80 */
{ GRP1b },
{ GRP1S },
|
|
611
|
{ "(bad)", XX, XX, XX },
|
|
612
|
{ GRP1Ss },
|
|
613
614
615
616
|
{ "testB", Eb, Gb, XX },
{ "testS", Ev, Gv, XX },
{ "xchgB", Eb, Gb, XX },
{ "xchgS", Ev, Gv, XX },
|
|
617
|
/* 88 */
|
|
618
619
620
621
622
623
624
625
|
{ "movB", Eb, Gb, XX },
{ "movS", Ev, Gv, XX },
{ "movB", Gb, Eb, XX },
{ "movS", Gv, Ev, XX },
{ "movQ", Ev, Sw, XX },
{ "leaS", Gv, M, XX },
{ "movQ", Sw, Ev, XX },
{ "popU", Ev, XX, XX },
|
|
626
|
/* 90 */
|
|
627
628
629
630
631
632
633
634
635
|
{ "nop", XX, XX, XX },
/* FIXME: NOP with REPz prefix is called PAUSE. */
{ "xchgS", RMeCX, eAX, XX },
{ "xchgS", RMeDX, eAX, XX },
{ "xchgS", RMeBX, eAX, XX },
{ "xchgS", RMeSP, eAX, XX },
{ "xchgS", RMeBP, eAX, XX },
{ "xchgS", RMeSI, eAX, XX },
{ "xchgS", RMeDI, eAX, XX },
|
|
636
|
/* 98 */
|
|
637
638
639
640
641
642
643
644
|
{ "cW{tR||tR|}", XX, XX, XX },
{ "cR{tO||tO|}", XX, XX, XX },
{ "lcall{T|}", Ap, XX, XX },
{ "(bad)", XX, XX, XX }, /* fwait */
{ "pushfT", XX, XX, XX },
{ "popfT", XX, XX, XX },
{ "sahf{|}", XX, XX, XX },
{ "lahf{|}", XX, XX, XX },
|
|
645
|
/* a0 */
|
|
646
647
648
649
650
651
652
653
|
{ "movB", AL, Ob64, XX },
{ "movS", eAX, Ov64, XX },
{ "movB", Ob64, AL, XX },
{ "movS", Ov64, eAX, XX },
{ "movs{b||b|}", Yb, Xb, XX },
{ "movs{R||R|}", Yv, Xv, XX },
{ "cmps{b||b|}", Xb, Yb, XX },
{ "cmps{R||R|}", Xv, Yv, XX },
|
|
654
|
/* a8 */
|
|
655
656
657
658
659
660
661
662
|
{ "testB", AL, Ib, XX },
{ "testS", eAX, Iv, XX },
{ "stosB", Yb, AL, XX },
{ "stosS", Yv, eAX, XX },
{ "lodsB", AL, Xb, XX },
{ "lodsS", eAX, Xv, XX },
{ "scasB", AL, Yb, XX },
{ "scasS", eAX, Yv, XX },
|
|
663
|
/* b0 */
|
|
664
665
666
667
668
669
670
671
|
{ "movB", RMAL, Ib, XX },
{ "movB", RMCL, Ib, XX },
{ "movB", RMDL, Ib, XX },
{ "movB", RMBL, Ib, XX },
{ "movB", RMAH, Ib, XX },
{ "movB", RMCH, Ib, XX },
{ "movB", RMDH, Ib, XX },
{ "movB", RMBH, Ib, XX },
|
|
672
|
/* b8 */
|
|
673
674
675
676
677
678
679
680
|
{ "movS", RMeAX, Iv64, XX },
{ "movS", RMeCX, Iv64, XX },
{ "movS", RMeDX, Iv64, XX },
{ "movS", RMeBX, Iv64, XX },
{ "movS", RMeSP, Iv64, XX },
{ "movS", RMeBP, Iv64, XX },
{ "movS", RMeSI, Iv64, XX },
{ "movS", RMeDI, Iv64, XX },
|
|
681
682
683
|
/* c0 */
{ GRP2b },
{ GRP2S },
|
|
684
685
686
687
688
689
|
{ "retT", Iw, XX, XX },
{ "retT", XX, XX, XX },
{ "les{S|}", Gv, Mp, XX },
{ "ldsS", Gv, Mp, XX },
{ "movA", Eb, Ib, XX },
{ "movQ", Ev, Iv, XX },
|
|
690
|
/* c8 */
|
|
691
692
693
694
695
696
697
698
|
{ "enterT", Iw, Ib, XX },
{ "leaveT", XX, XX, XX },
{ "lretP", Iw, XX, XX },
{ "lretP", XX, XX, XX },
{ "int3", XX, XX, XX },
{ "int", Ib, XX, XX },
{ "into{|}", XX, XX, XX },
{ "iretP", XX, XX, XX },
|
|
699
700
701
702
703
|
/* d0 */
{ GRP2b_one },
{ GRP2S_one },
{ GRP2b_cl },
{ GRP2S_cl },
|
|
704
705
706
707
|
{ "aam{|}", sIb, XX, XX },
{ "aad{|}", sIb, XX, XX },
{ "(bad)", XX, XX, XX },
{ "xlat", DSBX, XX, XX },
|
|
708
709
710
711
712
713
714
715
716
717
|
/* d8 */
{ FLOAT },
{ FLOAT },
{ FLOAT },
{ FLOAT },
{ FLOAT },
{ FLOAT },
{ FLOAT },
{ FLOAT },
/* e0 */
|
|
718
719
720
721
722
723
724
725
|
{ "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, XX },
{ "inS", eAX, Ib, XX },
{ "outB", Ib, AL, XX },
{ "outS", Ib, eAX, XX },
|
|
726
|
/* e8 */
|
|
727
728
729
730
731
732
733
734
|
{ "callT", Jv, XX, XX },
{ "jmpT", Jv, XX, XX },
{ "ljmp{T|}", Ap, XX, XX },
{ "jmp", Jb, XX, XX },
{ "inB", AL, indirDX, XX },
{ "inS", eAX, indirDX, XX },
{ "outB", indirDX, AL, XX },
{ "outS", indirDX, eAX, XX },
|
|
735
|
/* f0 */
|
|
736
737
738
739
740
741
|
{ "(bad)", XX, XX, XX }, /* lock prefix */
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX }, /* repne */
{ "(bad)", XX, XX, XX }, /* repz */
{ "hlt", XX, XX, XX },
{ "cmc", XX, XX, XX },
|
|
742
743
744
|
{ GRP3b },
{ GRP3S },
/* f8 */
|
|
745
746
747
748
749
750
|
{ "clc", XX, XX, XX },
{ "stc", XX, XX, XX },
{ "cli", XX, XX, XX },
{ "sti", XX, XX, XX },
{ "cld", XX, XX, XX },
{ "std", XX, XX, XX },
|
|
751
752
753
754
|
{ GRP4 },
{ GRP5 },
};
|
|
755
|
static const struct dis386 dis386_twobyte[] = {
|
|
756
757
758
|
/* 00 */
{ GRP6 },
{ GRP7 },
|
|
759
760
761
762
763
764
|
{ "larS", Gv, Ew, XX },
{ "lslS", Gv, Ew, XX },
{ "(bad)", XX, XX, XX },
{ "syscall", XX, XX, XX },
{ "clts", XX, XX, XX },
{ "sysretP", XX, XX, XX },
|
|
765
|
/* 08 */
|
|
766
767
768
769
770
771
772
773
|
{ "invd", XX, XX, XX },
{ "wbinvd", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "ud2a", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ GRPAMD },
{ "femms", XX, XX, XX },
{ "", MX, EM, OPSUF }, /* See OP_3DNowSuffix. */
|
|
774
|
/* 10 */
|
|
775
776
777
778
779
780
781
782
|
{ PREGRP8 },
{ PREGRP9 },
{ "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */
{ "movlpX", EX, XM, SIMD_Fixup, 'h' },
{ "unpcklpX", XM, EX, XX },
{ "unpckhpX", XM, EX, XX },
{ "movhpX", XM, EX, SIMD_Fixup, 'l' },
{ "movhpX", EX, XM, SIMD_Fixup, 'l' },
|
|
783
|
/* 18 */
|
|
784
785
786
787
788
789
790
791
|
{ GRP14 },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
792
|
/* 20 */
|
|
793
794
795
796
797
798
799
800
|
{ "movL", Rm, Cm, XX },
{ "movL", Rm, Dm, XX },
{ "movL", Cm, Rm, XX },
{ "movL", Dm, Rm, XX },
{ "movL", Rd, Td, XX },
{ "(bad)", XX, XX, XX },
{ "movL", Td, Rd, XX },
{ "(bad)", XX, XX, XX },
|
|
801
|
/* 28 */
|
|
802
803
804
805
806
807
808
809
|
{ "movapX", XM, EX, XX },
{ "movapX", EX, XM, XX },
{ PREGRP2 },
{ "movntpX", Ev, XM, XX },
{ PREGRP4 },
{ PREGRP3 },
{ "ucomisX", XM,EX, XX },
{ "comisX", XM,EX, XX },
|
|
810
|
/* 30 */
|
|
811
812
813
814
815
816
817
818
|
{ "wrmsr", XX, XX, XX },
{ "rdtsc", XX, XX, XX },
{ "rdmsr", XX, XX, XX },
{ "rdpmc", XX, XX, XX },
{ "sysenter", XX, XX, XX },
{ "sysexit", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
819
|
/* 38 */
|
|
820
821
822
823
824
825
826
827
|
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
828
|
/* 40 */
|
|
829
830
831
832
833
834
835
836
|
{ "cmovo", Gv, Ev, XX },
{ "cmovno", Gv, Ev, XX },
{ "cmovb", Gv, Ev, XX },
{ "cmovae", Gv, Ev, XX },
{ "cmove", Gv, Ev, XX },
{ "cmovne", Gv, Ev, XX },
{ "cmovbe", Gv, Ev, XX },
{ "cmova", Gv, Ev, XX },
|
|
837
|
/* 48 */
|
|
838
839
840
841
842
843
844
845
|
{ "cmovs", Gv, Ev, XX },
{ "cmovns", Gv, Ev, XX },
{ "cmovp", Gv, Ev, XX },
{ "cmovnp", Gv, Ev, XX },
{ "cmovl", Gv, Ev, XX },
{ "cmovge", Gv, Ev, XX },
{ "cmovle", Gv, Ev, XX },
{ "cmovg", Gv, Ev, XX },
|
|
846
|
/* 50 */
|
|
847
848
849
850
851
852
853
854
|
{ "movmskpX", Gd, XS, XX },
{ PREGRP13 },
{ PREGRP12 },
{ PREGRP11 },
{ "andpX", XM, EX, XX },
{ "andnpX", XM, EX, XX },
{ "orpX", XM, EX, XX },
{ "xorpX", XM, EX, XX },
|
|
855
|
/* 58 */
|
|
856
857
858
859
860
861
862
863
|
{ PREGRP0 },
{ PREGRP10 },
{ PREGRP17 },
{ PREGRP16 },
{ PREGRP14 },
{ PREGRP7 },
{ PREGRP5 },
{ PREGRP6 },
|
|
864
|
/* 60 */
|
|
865
866
867
868
869
870
871
872
|
{ "punpcklbw", MX, EM, XX },
{ "punpcklwd", MX, EM, XX },
{ "punpckldq", MX, EM, XX },
{ "packsswb", MX, EM, XX },
{ "pcmpgtb", MX, EM, XX },
{ "pcmpgtw", MX, EM, XX },
{ "pcmpgtd", MX, EM, XX },
{ "packuswb", MX, EM, XX },
|
|
873
|
/* 68 */
|
|
874
875
876
877
878
879
880
881
|
{ "punpckhbw", MX, EM, XX },
{ "punpckhwd", MX, EM, XX },
{ "punpckhdq", MX, EM, XX },
{ "packssdw", MX, EM, XX },
{ PREGRP26 },
{ PREGRP24 },
{ "movd", MX, Ed, XX },
{ PREGRP19 },
|
|
882
|
/* 70 */
|
|
883
|
{ PREGRP22 },
|
|
884
885
886
|
{ GRP10 },
{ GRP11 },
{ GRP12 },
|
|
887
888
889
890
|
{ "pcmpeqb", MX, EM, XX },
{ "pcmpeqw", MX, EM, XX },
{ "pcmpeqd", MX, EM, XX },
{ "emms", XX, XX, XX },
|
|
891
|
/* 78 */
|
|
892
893
894
895
896
897
898
899
|
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ PREGRP23 },
{ PREGRP20 },
|
|
900
|
/* 80 */
|
|
901
902
903
904
905
906
907
908
|
{ "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 },
|
|
909
|
/* 88 */
|
|
910
911
912
913
914
915
916
917
|
{ "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 },
|
|
918
|
/* 90 */
|
|
919
920
921
922
923
924
925
926
|
{ "seto", Eb, XX, XX },
{ "setno", Eb, XX, XX },
{ "setb", Eb, XX, XX },
{ "setae", Eb, XX, XX },
{ "sete", Eb, XX, XX },
{ "setne", Eb, XX, XX },
{ "setbe", Eb, XX, XX },
{ "seta", Eb, XX, XX },
|
|
927
|
/* 98 */
|
|
928
929
930
931
932
933
934
935
|
{ "sets", Eb, XX, XX },
{ "setns", Eb, XX, XX },
{ "setp", Eb, XX, XX },
{ "setnp", Eb, XX, XX },
{ "setl", Eb, XX, XX },
{ "setge", Eb, XX, XX },
{ "setle", Eb, XX, XX },
{ "setg", Eb, XX, XX },
|
|
936
|
/* a0 */
|
|
937
938
939
940
941
942
943
944
|
{ "pushT", fs, XX, XX },
{ "popT", fs, XX, XX },
{ "cpuid", XX, XX, XX },
{ "btS", Ev, Gv, XX },
{ "shldS", Ev, Gv, Ib },
{ "shldS", Ev, Gv, CL },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
945
|
/* a8 */
|
|
946
947
948
949
950
951
952
953
|
{ "pushT", gs, XX, XX },
{ "popT", gs, XX, XX },
{ "rsm", XX, XX, XX },
{ "btsS", Ev, Gv, XX },
{ "shrdS", Ev, Gv, Ib },
{ "shrdS", Ev, Gv, CL },
{ GRP13 },
{ "imulS", Gv, Ev, XX },
|
|
954
|
/* b0 */
|
|
955
956
957
958
959
960
961
962
|
{ "cmpxchgB", Eb, Gb, XX },
{ "cmpxchgS", Ev, Gv, XX },
{ "lssS", Gv, Mp, XX },
{ "btrS", Ev, Gv, XX },
{ "lfsS", Gv, Mp, XX },
{ "lgsS", Gv, Mp, XX },
{ "movz{bR|x|bR|x}", Gv, Eb, XX },
{ "movz{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movzww ! */
|
|
963
|
/* b8 */
|
|
964
965
|
{ "(bad)", XX, XX, XX },
{ "ud2b", XX, XX, XX },
|
|
966
|
{ GRP8 },
|
|
967
968
969
970
971
|
{ "btcS", Ev, Gv, XX },
{ "bsfS", Gv, Ev, XX },
{ "bsrS", Gv, Ev, XX },
{ "movs{bR|x|bR|x}", Gv, Eb, XX },
{ "movs{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movsww ! */
|
|
972
|
/* c0 */
|
|
973
974
975
976
977
978
979
980
|
{ "xaddB", Eb, Gb, XX },
{ "xaddS", Ev, Gv, XX },
{ PREGRP1 },
{ "movntiS", Ev, Gv, XX },
{ "pinsrw", MX, Ed, Ib },
{ "pextrw", Gd, MS, Ib },
{ "shufpX", XM, EX, Ib },
{ GRP9 },
|
|
981
|
/* c8 */
|
|
982
983
984
985
986
987
988
989
|
{ "bswap", RMeAX, XX, XX },
{ "bswap", RMeCX, XX, XX },
{ "bswap", RMeDX, XX, XX },
{ "bswap", RMeBX, XX, XX },
{ "bswap", RMeSP, XX, XX },
{ "bswap", RMeBP, XX, XX },
{ "bswap", RMeSI, XX, XX },
{ "bswap", RMeDI, XX, XX },
|
|
990
|
/* d0 */
|
|
991
992
993
994
995
996
997
998
|
{ "(bad)", XX, XX, XX },
{ "psrlw", MX, EM, XX },
{ "psrld", MX, EM, XX },
{ "psrlq", MX, EM, XX },
{ "paddq", MX, EM, XX },
{ "pmullw", MX, EM, XX },
{ PREGRP21 },
{ "pmovmskb", Gd, MS, XX },
|
|
999
|
/* d8 */
|
|
1000
1001
1002
1003
1004
1005
1006
1007
|
{ "psubusb", MX, EM, XX },
{ "psubusw", MX, EM, XX },
{ "pminub", MX, EM, XX },
{ "pand", MX, EM, XX },
{ "paddusb", MX, EM, XX },
{ "paddusw", MX, EM, XX },
{ "pmaxub", MX, EM, XX },
{ "pandn", MX, EM, XX },
|
|
1008
|
/* e0 */
|
|
1009
1010
1011
1012
1013
1014
1015
1016
|
{ "pavgb", MX, EM, XX },
{ "psraw", MX, EM, XX },
{ "psrad", MX, EM, XX },
{ "pavgw", MX, EM, XX },
{ "pmulhuw", MX, EM, XX },
{ "pmulhw", MX, EM, XX },
{ PREGRP15 },
{ PREGRP25 },
|
|
1017
|
/* e8 */
|
|
1018
1019
1020
1021
1022
1023
1024
1025
|
{ "psubsb", MX, EM, XX },
{ "psubsw", MX, EM, XX },
{ "pminsw", MX, EM, XX },
{ "por", MX, EM, XX },
{ "paddsb", MX, EM, XX },
{ "paddsw", MX, EM, XX },
{ "pmaxsw", MX, EM, XX },
{ "pxor", MX, EM, XX },
|
|
1026
|
/* f0 */
|
|
1027
1028
1029
1030
1031
1032
1033
1034
|
{ "(bad)", XX, XX, XX },
{ "psllw", MX, EM, XX },
{ "pslld", MX, EM, XX },
{ "psllq", MX, EM, XX },
{ "pmuludq", MX, EM, XX },
{ "pmaddwd", MX, EM, XX },
{ "psadbw", MX, EM, XX },
{ PREGRP18 },
|
|
1035
|
/* f8 */
|
|
1036
1037
1038
1039
1040
1041
1042
1043
|
{ "psubb", MX, EM, XX },
{ "psubw", MX, EM, XX },
{ "psubd", MX, EM, XX },
{ "psubq", MX, EM, XX },
{ "paddb", MX, EM, XX },
{ "paddw", MX, EM, XX },
{ "paddd", MX, EM, XX },
{ "(bad)", XX, XX, XX }
|
|
1044
1045
1046
|
};
static const unsigned char onebyte_has_modrm[256] = {
|
|
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
|
/* 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 */
|
|
1067
1068
1069
|
};
static const unsigned char twobyte_has_modrm[256] = {
|
|
1070
1071
1072
1073
1074
|
/* 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 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */
/* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
|
|
1075
1076
|
/* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
/* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */
|
|
1077
1078
1079
|
/* 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 */ 1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1, /* 7f */
|
|
1080
1081
|
/* 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 */
|
|
1082
|
/* a0 */ 0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* af */
|
|
1083
1084
|
/* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */
/* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
|
|
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
|
/* d0 */ 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
/* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */
/* f0 */ 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */
/* ------------------------------- */
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
};
static const unsigned char twobyte_uses_SSE_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 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
/* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 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 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 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 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
/* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
/* d0 */ 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 */ 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */
/* ------------------------------- */
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
|
|
1113
1114
1115
1116
1117
1118
|
};
static char obuf[100];
static char *obufp;
static char scratchbuf[100];
static unsigned char *start_codep;
|
|
1119
|
static unsigned char *insn_codep;
|
|
1120
1121
1122
1123
1124
|
static unsigned char *codep;
static disassemble_info *the_info;
static int mod;
static int rm;
static int reg;
|
|
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
|
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 **names64;
static const char **names32;
static const char **names16;
static const char **names8;
static const char **names8rex;
static const char **names_seg;
static const char **index16;
static const char *intel_names64[] = {
"rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
};
static const char *intel_names32[] = {
"eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi",
"r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d"
};
static const char *intel_names16[] = {
"ax", "cx", "dx", "bx", "sp", "bp", "si", "di",
"r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w"
};
static const char *intel_names8[] = {
"al", "cl", "dl", "bl", "ah", "ch", "dh", "bh",
};
static const char *intel_names8rex[] = {
"al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil",
"r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b"
};
static const char *intel_names_seg[] = {
"es", "cs", "ss", "ds", "fs", "gs", "?", "?",
};
static const char *intel_index16[] = {
"bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx"
};
|
|
1165
|
|
|
1166
1167
1168
1169
1170
1171
1172
|
static const char *att_names64[] = {
"%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
"%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
};
static const char *att_names32[] = {
"%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
"%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
|
|
1173
|
};
|
|
1174
1175
1176
|
static const char *att_names16[] = {
"%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
"%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
|
|
1177
|
};
|
|
1178
1179
|
static const char *att_names8[] = {
"%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh",
|
|
1180
|
};
|
|
1181
1182
1183
|
static const char *att_names8rex[] = {
"%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil",
"%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
|
|
1184
|
};
|
|
1185
1186
1187
1188
1189
|
static const char *att_names_seg[] = {
"%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?",
};
static const char *att_index16[] = {
"%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx"
|
|
1190
1191
|
};
|
|
1192
|
static const struct dis386 grps[][8] = {
|
|
1193
1194
|
/* GRP1b */
{
|
|
1195
1196
1197
1198
1199
1200
1201
1202
|
{ "addA", Eb, Ib, XX },
{ "orA", Eb, Ib, XX },
{ "adcA", Eb, Ib, XX },
{ "sbbA", Eb, Ib, XX },
{ "andA", Eb, Ib, XX },
{ "subA", Eb, Ib, XX },
{ "xorA", Eb, Ib, XX },
{ "cmpA", Eb, Ib, XX }
|
|
1203
1204
1205
|
},
/* GRP1S */
{
|
|
1206
1207
1208
1209
1210
1211
1212
1213
|
{ "addQ", Ev, Iv, XX },
{ "orQ", Ev, Iv, XX },
{ "adcQ", Ev, Iv, XX },
{ "sbbQ", Ev, Iv, XX },
{ "andQ", Ev, Iv, XX },
{ "subQ", Ev, Iv, XX },
{ "xorQ", Ev, Iv, XX },
{ "cmpQ", Ev, Iv, XX }
|
|
1214
1215
1216
|
},
/* GRP1Ss */
{
|
|
1217
1218
1219
1220
1221
1222
1223
1224
|
{ "addQ", Ev, sIb, XX },
{ "orQ", Ev, sIb, XX },
{ "adcQ", Ev, sIb, XX },
{ "sbbQ", Ev, sIb, XX },
{ "andQ", Ev, sIb, XX },
{ "subQ", Ev, sIb, XX },
{ "xorQ", Ev, sIb, XX },
{ "cmpQ", Ev, sIb, XX }
|
|
1225
1226
1227
|
},
/* GRP2b */
{
|
|
1228
1229
1230
1231
1232
1233
1234
1235
|
{ "rolA", Eb, Ib, XX },
{ "rorA", Eb, Ib, XX },
{ "rclA", Eb, Ib, XX },
{ "rcrA", Eb, Ib, XX },
{ "shlA", Eb, Ib, XX },
{ "shrA", Eb, Ib, XX },
{ "(bad)", XX, XX, XX },
{ "sarA", Eb, Ib, XX },
|
|
1236
1237
1238
|
},
/* GRP2S */
{
|
|
1239
1240
1241
1242
1243
1244
1245
1246
|
{ "rolQ", Ev, Ib, XX },
{ "rorQ", Ev, Ib, XX },
{ "rclQ", Ev, Ib, XX },
{ "rcrQ", Ev, Ib, XX },
{ "shlQ", Ev, Ib, XX },
{ "shrQ", Ev, Ib, XX },
{ "(bad)", XX, XX, XX },
{ "sarQ", Ev, Ib, XX },
|
|
1247
1248
1249
|
},
/* GRP2b_one */
{
|
|
1250
1251
1252
1253
1254
1255
1256
1257
|
{ "rolA", Eb, XX, XX },
{ "rorA", Eb, XX, XX },
{ "rclA", Eb, XX, XX },
{ "rcrA", Eb, XX, XX },
{ "shlA", Eb, XX, XX },
{ "shrA", Eb, XX, XX },
{ "(bad)", XX, XX, XX },
{ "sarA", Eb, XX, XX },
|
|
1258
1259
1260
|
},
/* GRP2S_one */
{
|
|
1261
1262
1263
1264
1265
1266
1267
1268
|
{ "rolQ", Ev, XX, XX },
{ "rorQ", Ev, XX, XX },
{ "rclQ", Ev, XX, XX },
{ "rcrQ", Ev, XX, XX },
{ "shlQ", Ev, XX, XX },
{ "shrQ", Ev, XX, XX },
{ "(bad)", XX, XX, XX},
{ "sarQ", Ev, XX, XX },
|
|
1269
1270
1271
|
},
/* GRP2b_cl */
{
|
|
1272
1273
1274
1275
1276
1277
1278
1279
|
{ "rolA", Eb, CL, XX },
{ "rorA", Eb, CL, XX },
{ "rclA", Eb, CL, XX },
{ "rcrA", Eb, CL, XX },
{ "shlA", Eb, CL, XX },
{ "shrA", Eb, CL, XX },
{ "(bad)", XX, XX, XX },
{ "sarA", Eb, CL, XX },
|
|
1280
1281
1282
|
},
/* GRP2S_cl */
{
|
|
1283
1284
1285
1286
1287
1288
1289
1290
|
{ "rolQ", Ev, CL, XX },
{ "rorQ", Ev, CL, XX },
{ "rclQ", Ev, CL, XX },
{ "rcrQ", Ev, CL, XX },
{ "shlQ", Ev, CL, XX },
{ "shrQ", Ev, CL, XX },
{ "(bad)", XX, XX, XX },
{ "sarQ", Ev, CL, XX }
|
|
1291
1292
1293
|
},
/* GRP3b */
{
|
|
1294
1295
1296
1297
1298
1299
1300
1301
|
{ "testA", Eb, Ib, XX },
{ "(bad)", Eb, XX, XX },
{ "notA", Eb, XX, XX },
{ "negA", Eb, XX, XX },
{ "mulA", Eb, XX, XX }, /* Don't print the implicit %al register, */
{ "imulA", Eb, XX, XX }, /* to distinguish these opcodes from other */
{ "divA", Eb, XX, XX }, /* mul/imul opcodes. Do the same for div */
{ "idivA", Eb, XX, XX } /* and idiv for consistency. */
|
|
1302
1303
1304
|
},
/* GRP3S */
{
|
|
1305
1306
1307
1308
1309
1310
1311
1312
|
{ "testQ", Ev, Iv, XX },
{ "(bad)", XX, XX, XX },
{ "notQ", Ev, XX, XX },
{ "negQ", Ev, XX, XX },
{ "mulQ", Ev, XX, XX }, /* Don't print the implicit register. */
{ "imulQ", Ev, XX, XX },
{ "divQ", Ev, XX, XX },
{ "idivQ", Ev, XX, XX },
|
|
1313
1314
1315
|
},
/* GRP4 */
{
|
|
1316
1317
1318
1319
1320
1321
1322
1323
|
{ "incA", Eb, XX, XX },
{ "decA", Eb, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
1324
1325
1326
|
},
/* GRP5 */
{
|
|
1327
1328
1329
1330
1331
1332
1333
1334
|
{ "incQ", Ev, XX, XX },
{ "decQ", Ev, XX, XX },
{ "callT", indirEv, XX, XX },
{ "lcallT", indirEv, XX, XX },
{ "jmpT", indirEv, XX, XX },
{ "ljmpT", indirEv, XX, XX },
{ "pushU", Ev, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
1335
1336
1337
|
},
/* GRP6 */
{
|
|
1338
1339
1340
1341
1342
1343
1344
1345
|
{ "sldtQ", Ev, XX, XX },
{ "strQ", Ev, XX, XX },
{ "lldt", Ew, XX, XX },
{ "ltr", Ew, XX, XX },
{ "verr", Ew, XX, XX },
{ "verw", Ew, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX }
|
|
1346
1347
1348
|
},
/* GRP7 */
{
|
|
1349
1350
1351
1352
1353
1354
1355
1356
|
{ "sgdtQ", M, XX, XX },
{ "sidtQ", M, XX, XX },
{ "lgdtQ", M, XX, XX },
{ "lidtQ", M, XX, XX },
{ "smswQ", Ev, XX, XX },
{ "(bad)", XX, XX, XX },
{ "lmsw", Ew, XX, XX },
{ "invlpg", Ew, XX, XX },
|
|
1357
1358
1359
|
},
/* GRP8 */
{
|
|
1360
1361
1362
1363
1364
1365
1366
1367
|
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "btQ", Ev, Ib, XX },
{ "btsQ", Ev, Ib, XX },
{ "btrQ", Ev, Ib, XX },
{ "btcQ", Ev, Ib, XX },
|
|
1368
1369
1370
|
},
/* GRP9 */
{
|
|
1371
1372
1373
1374
1375
1376
1377
1378
|
{ "(bad)", XX, XX, XX },
{ "cmpxchg8b", Ev, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
1379
1380
1381
|
},
/* GRP10 */
{
|
|
1382
1383
1384
1385
1386
1387
1388
1389
|
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "psrlw", MS, Ib, XX },
{ "(bad)", XX, XX, XX },
{ "psraw", MS, Ib, XX },
{ "(bad)", XX, XX, XX },
{ "psllw", MS, Ib, XX },
{ "(bad)", XX, XX, XX },
|
|
1390
1391
1392
|
},
/* GRP11 */
{
|
|
1393
1394
1395
1396
1397
1398
1399
1400
|
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "psrld", MS, Ib, XX },
{ "(bad)", XX, XX, XX },
{ "psrad", MS, Ib, XX },
{ "(bad)", XX, XX, XX },
{ "pslld", MS, Ib, XX },
{ "(bad)", XX, XX, XX },
|
|
1401
1402
1403
|
},
/* GRP12 */
{
|
|
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
|
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "psrlq", MS, Ib, XX },
{ "psrldq", MS, Ib, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "psllq", MS, Ib, XX },
{ "pslldq", MS, Ib, XX },
},
/* GRP13 */
{
{ "fxsave", Ev, XX, XX },
{ "fxrstor", Ev, XX, XX },
{ "ldmxcsr", Ev, XX, XX },
{ "stmxcsr", Ev, XX, XX },
{ "(bad)", XX, XX, XX },
{ "lfence", None, XX, XX },
{ "mfence", None, XX, XX },
{ "sfence", None, XX, XX },
/* FIXME: the sfence with memory operand is clflush! */
},
/* GRP14 */
{
{ "prefetchnta", Ev, XX, XX },
{ "prefetcht0", Ev, XX, XX },
{ "prefetcht1", Ev, XX, XX },
{ "prefetcht2", Ev, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
},
/* GRPAMD */
{
{ "prefetch", Eb, XX, XX },
{ "prefetchw", Eb, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
1446
1447
1448
|
}
};
|
|
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
|
static const struct dis386 prefix_user_table[][4] = {
/* PREGRP0 */
{
{ "addps", XM, EX, XX },
{ "addss", XM, EX, XX },
{ "addpd", XM, EX, XX },
{ "addsd", XM, EX, XX },
},
/* PREGRP1 */
{
{ "", XM, EX, OPSIMD }, /* See OP_SIMD_SUFFIX. */
{ "", XM, EX, OPSIMD },
{ "", XM, EX, OPSIMD },
{ "", XM, EX, OPSIMD },
},
/* PREGRP2 */
{
{ "cvtpi2ps", XM, EM, XX },
{ "cvtsi2ssY", XM, Ev, XX },
{ "cvtpi2pd", XM, EM, XX },
{ "cvtsi2sdY", XM, Ev, XX },
},
/* PREGRP3 */
{
{ "cvtps2pi", MX, EX, XX },
{ "cvtss2siY", Gv, EX, XX },
{ "cvtpd2pi", MX, EX, XX },
{ "cvtsd2siY", Gv, EX, XX },
},
/* PREGRP4 */
{
{ "cvttps2pi", MX, EX, XX },
{ "cvttss2siY", Gv, EX, XX },
{ "cvttpd2pi", MX, EX, XX },
{ "cvttsd2siY", Gv, EX, XX },
},
/* PREGRP5 */
{
{ "divps", XM, EX, XX },
{ "divss", XM, EX, XX },
{ "divpd", XM, EX, XX },
{ "divsd", XM, EX, XX },
},
/* PREGRP6 */
{
{ "maxps", XM, EX, XX },
{ "maxss", XM, EX, XX },
{ "maxpd", XM, EX, XX },
{ "maxsd", XM, EX, XX },
},
/* PREGRP7 */
{
{ "minps", XM, EX, XX },
{ "minss", XM, EX, XX },
{ "minpd", XM, EX, XX },
{ "minsd", XM, EX, XX },
},
/* PREGRP8 */
{
{ "movups", XM, EX, XX },
{ "movss", XM, EX, XX },
{ "movupd", XM, EX, XX },
{ "movsd", XM, EX, XX },
},
/* PREGRP9 */
{
{ "movups", EX, XM, XX },
{ "movss", EX, XM, XX },
{ "movupd", EX, XM, XX },
{ "movsd", EX, XM, XX },
},
/* PREGRP10 */
{
{ "mulps", XM, EX, XX },
{ "mulss", XM, EX, XX },
{ "mulpd", XM, EX, XX },
{ "mulsd", XM, EX, XX },
},
/* PREGRP11 */
{
{ "rcpps", XM, EX, XX },
{ "rcpss", XM, EX, XX },
{ "(bad)", XM, EX, XX },
{ "(bad)", XM, EX, XX },
},
/* PREGRP12 */
{
{ "rsqrtps", XM, EX, XX },
{ "rsqrtss", XM, EX, XX },
{ "(bad)", XM, EX, XX },
{ "(bad)", XM, EX, XX },
},
/* PREGRP13 */
{
{ "sqrtps", XM, EX, XX },
{ "sqrtss", XM, EX, XX },
{ "sqrtpd", XM, EX, XX },
{ "sqrtsd", XM, EX, XX },
},
/* PREGRP14 */
{
{ "subps", XM, EX, XX },
{ "subss", XM, EX, XX },
{ "subpd", XM, EX, XX },
{ "subsd", XM, EX, XX },
},
/* PREGRP15 */
{
{ "(bad)", XM, EX, XX },
{ "cvtdq2pd", XM, EX, XX },
{ "cvttpd2dq", XM, EX, XX },
{ "cvtpd2dq", XM, EX, XX },
},
/* PREGRP16 */
{
{ "cvtdq2ps", XM, EX, XX },
{ "cvttps2dq",XM, EX, XX },
{ "cvtps2dq",XM, EX, XX },
{ "(bad)", XM, EX, XX },
},
/* PREGRP17 */
{
{ "cvtps2pd", XM, EX, XX },
{ "cvtss2sd", XM, EX, XX },
{ "cvtpd2ps", XM, EX, XX },
{ "cvtsd2ss", XM, EX, XX },
},
/* PREGRP18 */
{
{ "maskmovq", MX, MS, XX },
{ "(bad)", XM, EX, XX },
{ "maskmovdqu", XM, EX, XX },
{ "(bad)", XM, EX, XX },
},
/* PREGRP19 */
{
{ "movq", MX, EM, XX },
{ "movdqu", XM, EX, XX },
{ "movdqa", XM, EX, XX },
{ "(bad)", XM, EX, XX },
},
/* PREGRP20 */
{
{ "movq", EM, MX, XX },
{ "movdqu", EX, XM, XX },
{ "movdqa", EX, XM, XX },
{ "(bad)", EX, XM, XX },
},
/* PREGRP21 */
{
{ "(bad)", EX, XM, XX },
{ "movq2dq", XM, MS, XX },
{ "movq", EX, XM, XX },
{ "movdq2q", MX, XS, XX },
},
/* PREGRP22 */
{
{ "pshufw", MX, EM, Ib },
{ "pshufhw", XM, EX, Ib },
{ "pshufd", XM, EX, Ib },
{ "pshuflw", XM, EX, Ib },
},
/* PREGRP23 */
{
{ "movd", Ed, MX, XX },
{ "movq", XM, EX, XX },
{ "movd", Ed, XM, XX },
{ "(bad)", Ed, XM, XX },
},
/* PREGRP24 */
{
{ "(bad)", MX, EX, XX },
{ "(bad)", XM, EX, XX },
{ "punpckhqdq", XM, EX, XX },
{ "(bad)", XM, EX, XX },
},
/* PREGRP25 */
{
{ "movntq", Ev, MX, XX },
{ "(bad)", Ev, XM, XX },
{ "movntdq", Ev, XM, XX },
{ "(bad)", Ev, XM, XX },
},
/* PREGRP26 */
{
{ "(bad)", MX, EX, XX },
{ "(bad)", XM, EX, XX },
{ "punpcklqdq", XM, EX, XX },
{ "(bad)", XM, EX, XX },
},
};
|
|
1640
|
|
|
1641
1642
1643
1644
1645
1646
1647
1648
|
static const struct dis386 x86_64_table[][2] = {
{
{ "arpl", Ew, Gw, XX },
{ "movs{||lq|xd}", Gv, Ed, XX },
},
};
#define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>")
|
|
1649
1650
1651
1652
|
static void
ckprefix ()
{
|
|
1653
1654
|
int newrex;
rex = 0;
|
|
1655
|
prefixes = 0;
|
|
1656
1657
|
used_prefixes = 0;
rex_used = 0;
|
|
1658
1659
1660
|
while (1)
{
FETCH_DATA (the_info, codep + 1);
|
|
1661
|
newrex = 0;
|
|
1662
1663
|
switch (*codep)
{
|
|
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
|
/* 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 (mode_64bit)
newrex = *codep;
else
return;
break;
|
|
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
|
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:
|
|
1717
|
prefixes |= PREFIX_ADDR;
|
|
1718
|
break;
|
|
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
|
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)
{
prefixes |= PREFIX_FWAIT;
codep++;
return;
}
prefixes = PREFIX_FWAIT;
|
|
1730
1731
1732
1733
|
break;
default:
return;
}
|
|
1734
1735
1736
1737
1738
1739
1740
|
/* Rex is ignored when followed by another prefix. */
if (rex)
{
oappend (prefix_name (rex, 0));
oappend (" ");
}
rex = newrex;
|
|
1741
1742
1743
1744
|
codep++;
}
}
|
|
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
|
/* Return the name of the prefix byte PREF, or NULL if PREF is not a
prefix byte. */
static const char *
prefix_name (pref, sizeflag)
int pref;
int sizeflag;
{
switch (pref)
{
/* REX prefixes family. */
case 0x40:
return "rex";
case 0x41:
return "rexZ";
case 0x42:
return "rexY";
case 0x43:
return "rexYZ";
case 0x44:
return "rexX";
case 0x45:
return "rexXZ";
case 0x46:
return "rexXY";
case 0x47:
return "rexXYZ";
case 0x48:
return "rex64";
case 0x49:
return "rex64Z";
case 0x4a:
return "rex64Y";
case 0x4b:
return "rex64YZ";
case 0x4c:
return "rex64X";
case 0x4d:
return "rex64XZ";
case 0x4e:
return "rex64XY";
case 0x4f:
return "rex64XYZ";
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 (mode_64bit)
return (sizeflag & AFLAG) ? "addr32" : "addr64";
else
return ((sizeflag & AFLAG) && !mode_64bit) ? "addr16" : "addr32";
case FWAIT_OPCODE:
return "fwait";
default:
return NULL;
}
}
|
|
1819
|
|
|
1820
1821
1822
1823
1824
|
static char op1out[100], op2out[100], op3out[100];
static int op_ad, op_index[3];
static bfd_vma op_address[3];
static bfd_vma op_riprel[3];
static bfd_vma start_pc;
|
|
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
|
/*
* 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.
*/
|
|
1835
|
static int8_t intel_syntax;
|
|
1836
1837
1838
1839
1840
|
static char open_char;
static char close_char;
static char separator_char;
static char scale_char;
|
|
1841
|
int
|
|
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
|
print_insn_i386 (pc, info)
bfd_vma pc;
disassemble_info *info;
{
intel_syntax = -1;
return print_insn (pc, info);
}
static int
print_insn (pc, info)
|
|
1853
1854
1855
|
bfd_vma pc;
disassemble_info *info;
{
|
|
1856
|
const struct dis386 *dp;
|
|
1857
|
int i;
|
|
1858
|
int two_source_ops;
|
|
1859
1860
|
char *first, *second, *third;
int needcomma;
|
|
1861
1862
1863
|
unsigned char uses_SSE_prefix;
int sizeflag;
const char *p;
|
|
1864
1865
|
struct dis_private priv;
|
|
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
|
mode_64bit = (info->mach == bfd_mach_x86_64_intel_syntax
|| info->mach == bfd_mach_x86_64);
if (intel_syntax == -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)
{
mode_64bit = 1;
priv.orig_sizeflag = AFLAG | DFLAG;
}
else if (strncmp (p, "i386", 4) == 0)
{
mode_64bit = 0;
priv.orig_sizeflag = AFLAG | DFLAG;
}
else if (strncmp (p, "i8086", 5) == 0)
{
mode_64bit = 0;
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 (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;
|
|
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
|
info->private_data = (PTR) &priv;
priv.max_fetched = priv.the_buffer;
priv.insn_start = pc;
obuf[0] = 0;
op1out[0] = 0;
op2out[0] = 0;
op3out[0] = 0;
op_index[0] = op_index[1] = op_index[2] = -1;
the_info = info;
start_pc = pc;
|
|
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
|
start_codep = priv.the_buffer;
codep = priv.the_buffer;
if (setjmp (priv.bailout) != 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;
|
|
2005
2006
|
ckprefix ();
|
|
2007
2008
2009
|
insn_codep = codep;
sizeflag = priv.orig_sizeflag;
|
|
2010
|
FETCH_DATA (info, codep + 1);
|
|
2011
2012
|
two_source_ops = (*codep == 0x62) || (*codep == 0xc8);
|
|
2013
2014
2015
|
if ((prefixes & PREFIX_FWAIT)
&& ((*codep < 0xd8) || (*codep > 0xdf)))
{
|
|
2016
2017
2018
2019
2020
2021
2022
2023
2024
|
const char *name;
/* fwait not followed by floating point instruction. Print the
first prefix, which is probably fwait itself. */
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;
|
|
2025
|
}
|
|
2026
|
|
|
2027
2028
2029
2030
2031
|
if (*codep == 0x0f)
{
FETCH_DATA (info, codep + 2);
dp = &dis386_twobyte[*++codep];
need_modrm = twobyte_has_modrm[*codep];
|
|
2032
|
uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep];
|
|
2033
2034
2035
2036
2037
|
}
else
{
dp = &dis386[*codep];
need_modrm = onebyte_has_modrm[*codep];
|
|
2038
|
uses_SSE_prefix = 0;
|
|
2039
2040
2041
|
}
codep++;
|
|
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
|
if (!uses_SSE_prefix && (prefixes & PREFIX_REPZ))
{
oappend ("repz ");
used_prefixes |= PREFIX_REPZ;
}
if (!uses_SSE_prefix && (prefixes & PREFIX_REPNZ))
{
oappend ("repnz ");
used_prefixes |= PREFIX_REPNZ;
}
if (prefixes & PREFIX_LOCK)
{
oappend ("lock ");
used_prefixes |= PREFIX_LOCK;
}
if (prefixes & PREFIX_ADDR)
{
sizeflag ^= AFLAG;
if (dp->bytemode3 != loop_jcxz_mode || intel_syntax)
{
if ((sizeflag & AFLAG) || mode_64bit)
oappend ("addr32 ");
else
oappend ("addr16 ");
used_prefixes |= PREFIX_ADDR;
}
}
if (!uses_SSE_prefix && (prefixes & PREFIX_DATA))
{
sizeflag ^= DFLAG;
if (dp->bytemode3 == cond_jump_mode
&& dp->bytemode1 == v_mode
&& !intel_syntax)
{
if (sizeflag & DFLAG)
oappend ("data32 ");
else
oappend ("data16 ");
used_prefixes |= PREFIX_DATA;
}
}
|
|
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
|
if (need_modrm)
{
FETCH_DATA (info, codep + 1);
mod = (*codep >> 6) & 3;
reg = (*codep >> 3) & 7;
rm = *codep & 7;
}
if (dp->name == NULL && dp->bytemode1 == FLOATCODE)
{
|
|
2096
|
dofloat (sizeflag);
|
|
2097
2098
2099
|
}
else
{
|
|
2100
|
int index;
|
|
2101
|
if (dp->name == NULL)
|
|
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
|
{
switch (dp->bytemode1)
{
case USE_GROUPS:
dp = &grps[dp->bytemode2][reg];
break;
case USE_PREFIX_USER_TABLE:
index = 0;
used_prefixes |= (prefixes & PREFIX_REPZ);
if (prefixes & PREFIX_REPZ)
index = 1;
else
{
used_prefixes |= (prefixes & PREFIX_DATA);
if (prefixes & PREFIX_DATA)
index = 2;
else
{
used_prefixes |= (prefixes & PREFIX_REPNZ);
if (prefixes & PREFIX_REPNZ)
index = 3;
}
}
dp = &prefix_user_table[dp->bytemode2][index];
break;
case X86_64_SPECIAL:
dp = &x86_64_table[dp->bytemode2][mode_64bit];
break;
default:
oappend (INTERNAL_DISASSEMBLER_ERROR);
break;
}
}
if (putop (dp->name, sizeflag) == 0)
{
obufp = op1out;
op_ad = 2;
if (dp->op1)
(*dp->op1) (dp->bytemode1, sizeflag);
obufp = op2out;
op_ad = 1;
if (dp->op2)
(*dp->op2) (dp->bytemode2, sizeflag);
obufp = op3out;
op_ad = 0;
if (dp->op3)
(*dp->op3) (dp->bytemode3, 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);
|
|
2179
|
}
|
|
2180
|
|
|
2181
2182
2183
2184
2185
|
obufp = obuf + strlen (obuf);
for (i = strlen (obuf); i < 6; i++)
oappend (" ");
oappend (" ");
(*info->fprintf_func) (info->stream, "%s", obuf);
|
|
2186
2187
2188
2189
|
/* 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)
|
|
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
|
{
first = op1out;
second = op2out;
third = op3out;
op_ad = op_index[0];
op_index[0] = op_index[2];
op_index[2] = op_ad;
}
else
{
first = op3out;
second = op2out;
third = op1out;
}
needcomma = 0;
if (*first)
{
|
|
2207
2208
|
if (op_index[0] != -1 && !op_riprel[0])
(*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info);
|
|
2209
2210
2211
2212
2213
2214
2215
2216
|
else
(*info->fprintf_func) (info->stream, "%s", first);
needcomma = 1;
}
if (*second)
{
if (needcomma)
(*info->fprintf_func) (info->stream, ",");
|
|
2217
2218
|
if (op_index[1] != -1 && !op_riprel[1])
(*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info);
|
|
2219
2220
2221
2222
2223
2224
2225
2226
|
else
(*info->fprintf_func) (info->stream, "%s", second);
needcomma = 1;
}
if (*third)
{
if (needcomma)
(*info->fprintf_func) (info->stream, ",");
|
|
2227
2228
|
if (op_index[2] != -1 && !op_riprel[2])
(*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info);
|
|
2229
2230
2231
|
else
(*info->fprintf_func) (info->stream, "%s", third);
}
|
|
2232
2233
2234
2235
2236
2237
2238
2239
|
for (i = 0; i < 3; 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);
}
return codep - priv.the_buffer;
|
|
2240
2241
|
}
|
|
2242
|
static const char *float_mem[] = {
|
|
2243
|
/* d8 */
|
|
2244
2245
2246
2247
2248
2249
2250
2251
|
"fadd{s||s|}",
"fmul{s||s|}",
"fcom{s||s|}",
"fcomp{s||s|}",
"fsub{s||s|}",
"fsubr{s||s|}",
"fdiv{s||s|}",
"fdivr{s||s|}",
|
|
2252
|
/* d9 */
|
|
2253
|
"fld{s||s|}",
|
|
2254
|
"(bad)",
|
|
2255
2256
|
"fst{s||s|}",
"fstp{s||s|}",
|
|
2257
2258
2259
2260
2261
|
"fldenv",
"fldcw",
"fNstenv",
"fNstcw",
/* da */
|
|
2262
2263
2264
2265
2266
2267
2268
2269
|
"fiadd{l||l|}",
"fimul{l||l|}",
"ficom{l||l|}",
"ficomp{l||l|}",
"fisub{l||l|}",
"fisubr{l||l|}",
"fidiv{l||l|}",
"fidivr{l||l|}",
|
|
2270
|
/* db */
|
|
2271
|
"fild{l||l|}",
|
|
2272
|
"(bad)",
|
|
2273
2274
|
"fist{l||l|}",
"fistp{l||l|}",
|
|
2275
|
"(bad)",
|
|
2276
|
"fld{t||t|}",
|
|
2277
|
"(bad)",
|
|
2278
|
"fstp{t||t|}",
|
|
2279
|
/* dc */
|
|
2280
2281
2282
2283
2284
2285
2286
2287
|
"fadd{l||l|}",
"fmul{l||l|}",
"fcom{l||l|}",
"fcomp{l||l|}",
"fsub{l||l|}",
"fsubr{l||l|}",
"fdiv{l||l|}",
"fdivr{l||l|}",
|
|
2288
|
/* dd */
|
|
2289
|
"fld{l||l|}",
|
|
2290
|
"(bad)",
|
|
2291
2292
|
"fst{l||l|}",
"fstp{l||l|}",
|
|
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
|
"frstor",
"(bad)",
"fNsave",
"fNstsw",
/* de */
"fiadd",
"fimul",
"ficom",
"ficomp",
"fisub",
"fisubr",
"fidiv",
"fidivr",
/* df */
"fild",
"(bad)",
"fist",
"fistp",
"fbld",
|
|
2312
|
"fild{ll||ll|}",
|
|
2313
2314
2315
2316
2317
2318
2319
|
"fbstp",
"fistpll",
};
#define ST OP_ST, 0
#define STi OP_STi, 0
|
|
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
|
#define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0
#define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0
#define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0
#define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0
#define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0
#define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0
#define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0
#define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0
#define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0
static const struct dis386 float_reg[][8] = {
|
|
2331
2332
|
/* d8 */
{
|
|
2333
2334
2335
2336
2337
2338
2339
2340
|
{ "fadd", ST, STi, XX },
{ "fmul", ST, STi, XX },
{ "fcom", STi, XX, XX },
{ "fcomp", STi, XX, XX },
{ "fsub", ST, STi, XX },
{ "fsubr", ST, STi, XX },
{ "fdiv", ST, STi, XX },
{ "fdivr", ST, STi, XX },
|
|
2341
2342
2343
|
},
/* d9 */
{
|
|
2344
2345
|
{ "fld", STi, XX, XX },
{ "fxch", STi, XX, XX },
|
|
2346
|
{ FGRPd9_2 },
|
|
2347
|
{ "(bad)", XX, XX, XX },
|
|
2348
2349
2350
2351
2352
2353
2354
|
{ FGRPd9_4 },
{ FGRPd9_5 },
{ FGRPd9_6 },
{ FGRPd9_7 },
},
/* da */
{
|
|
2355
2356
2357
2358
2359
|
{ "fcmovb", ST, STi, XX },
{ "fcmove", ST, STi, XX },
{ "fcmovbe",ST, STi, XX },
{ "fcmovu", ST, STi, XX },
{ "(bad)", XX, XX, XX },
|
|
2360
|
{ FGRPda_5 },
|
|
2361
2362
|
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
2363
2364
2365
|
},
/* db */
{
|
|
2366
2367
2368
2369
|
{ "fcmovnb",ST, STi, XX },
{ "fcmovne",ST, STi, XX },
{ "fcmovnbe",ST, STi, XX },
{ "fcmovnu",ST, STi, XX },
|
|
2370
|
{ FGRPdb_4 },
|
|
2371
2372
2373
|
{ "fucomi", ST, STi, XX },
{ "fcomi", ST, STi, XX },
{ "(bad)", XX, XX, XX },
|
|
2374
2375
2376
|
},
/* dc */
{
|
|
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
|
{ "fadd", STi, ST, XX },
{ "fmul", STi, ST, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
#if UNIXWARE_COMPAT
{ "fsub", STi, ST, XX },
{ "fsubr", STi, ST, XX },
{ "fdiv", STi, ST, XX },
{ "fdivr", STi, ST, XX },
#else
{ "fsubr", STi, ST, XX },
{ "fsub", STi, ST, XX },
{ "fdivr", STi, ST, XX },
{ "fdiv", STi, ST, XX },
#endif
|
|
2392
2393
2394
|
},
/* dd */
{
|
|
2395
2396
2397
2398
2399
2400
2401
2402
|
{ "ffree", STi, XX, XX },
{ "(bad)", XX, XX, XX },
{ "fst", STi, XX, XX },
{ "fstp", STi, XX, XX },
{ "fucom", STi, XX, XX },
{ "fucomp", STi, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
2403
2404
2405
|
},
/* de */
{
|
|
2406
2407
2408
|
{ "faddp", STi, ST, XX },
{ "fmulp", STi, ST, XX },
{ "(bad)", XX, XX, XX },
|
|
2409
|
{ FGRPde_3 },
|
|
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
|
#if UNIXWARE_COMPAT
{ "fsubp", STi, ST, XX },
{ "fsubrp", STi, ST, XX },
{ "fdivp", STi, ST, XX },
{ "fdivrp", STi, ST, XX },
#else
{ "fsubrp", STi, ST, XX },
{ "fsubp", STi, ST, XX },
{ "fdivrp", STi, ST, XX },
{ "fdivp", STi, ST, XX },
#endif
|
|
2421
2422
2423
|
},
/* df */
{
|
|
2424
2425
2426
2427
|
{ "ffreep", STi, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
|
|
2428
|
{ FGRPdf_4 },
|
|
2429
2430
2431
|
{ "fucomip",ST, STi, XX },
{ "fcomip", ST, STi, XX },
{ "(bad)", XX, XX, XX },
|
|
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
|
},
};
static 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
|
|
2484
2485
|
dofloat (sizeflag)
int sizeflag;
|
|
2486
|
{
|
|
2487
|
const struct dis386 *dp;
|
|
2488
|
unsigned char floatop;
|
|
2489
|
|
|
2490
|
floatop = codep[-1];
|
|
2491
|
|
|
2492
2493
|
if (mod != 3)
{
|
|
2494
|
putop (float_mem[(floatop - 0xd8) * 8 + reg], sizeflag);
|
|
2495
|
obufp = op1out;
|
|
2496
2497
2498
2499
2500
2501
|
if (floatop == 0xdb)
OP_E (x_mode, sizeflag);
else if (floatop == 0xdd)
OP_E (d_mode, sizeflag);
else
OP_E (v_mode, sizeflag);
|
|
2502
2503
|
return;
}
|
|
2504
2505
|
/* Skip mod/rm byte. */
MODRM_CHECK;
|
|
2506
|
codep++;
|
|
2507
|
|
|
2508
2509
2510
|
dp = &float_reg[floatop - 0xd8][reg];
if (dp->name == NULL)
{
|
|
2511
2512
2513
2514
2515
|
putop (fgrps[dp->bytemode1][rm], sizeflag);
/* Instruction fnstsw is only one with strange arg. */
if (floatop == 0xdf && codep[-1] == 0xe0)
strcpy (op1out, names16[0]);
|
|
2516
2517
2518
|
}
else
{
|
|
2519
2520
|
putop (dp->name, sizeflag);
|
|
2521
2522
|
obufp = op1out;
if (dp->op1)
|
|
2523
|
(*dp->op1) (dp->bytemode1, sizeflag);
|
|
2524
2525
|
obufp = op2out;
if (dp->op2)
|
|
2526
|
(*dp->op2) (dp->bytemode2, sizeflag);
|
|
2527
2528
2529
|
}
}
|
|
2530
2531
2532
2533
|
static void
OP_ST (bytemode, sizeflag)
int bytemode;
int sizeflag;
|
|
2534
2535
2536
2537
|
{
oappend ("%st");
}
|
|
2538
2539
2540
2541
|
static void
OP_STi (bytemode, sizeflag)
int bytemode;
int sizeflag;
|
|
2542
2543
|
{
sprintf (scratchbuf, "%%st(%d)", rm);
|
|
2544
|
oappend (scratchbuf + intel_syntax);
|
|
2545
2546
|
}
|
|
2547
2548
2549
2550
2551
|
/* Capital letters in template are macros. */
static int
putop (template, sizeflag)
const char *template;
int sizeflag;
|
|
2552
|
{
|
|
2553
2554
2555
|
const char *p;
int alt;
|
|
2556
2557
2558
2559
2560
2561
2562
|
for (p = template; *p; p++)
{
switch (*p)
{
default:
*obufp++ = *p;
break;
|
|
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
|
case '{':
alt = 0;
if (intel_syntax)
alt += 1;
if (mode_64bit)
alt += 2;
while (alt != 0)
{
while (*++p != '|')
{
if (*p == '}')
{
/* Alternative not valid. */
strcpy (obuf, "(bad)");
obufp = obuf + 5;
return 1;
}
else if (*p == '\0')
abort ();
}
alt--;
}
break;
case '|':
while (*++p != '}')
{
if (*p == '\0')
abort ();
}
break;
case '}':
break;
case 'A':
if (intel_syntax)
break;
if (mod != 3 || (sizeflag & SUFFIX_ALWAYS))
*obufp++ = 'b';
break;
case 'B':
if (intel_syntax)
break;
if (sizeflag & SUFFIX_ALWAYS)
*obufp++ = 'b';
break;
case 'E': /* For jcxz/jecxz */
if (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++ = mode_64bit ? 'q' : 'l';
else
*obufp++ = mode_64bit ? 'l' : 'w';
used_prefixes |= (prefixes & PREFIX_ADDR);
}
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 'L':
if (intel_syntax)
break;
if (sizeflag & SUFFIX_ALWAYS)
*obufp++ = 'l';
|
|
2652
2653
2654
2655
|
break;
case 'N':
if ((prefixes & PREFIX_FWAIT) == 0)
*obufp++ = 'n';
|
|
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
|
else
used_prefixes |= PREFIX_FWAIT;
break;
case 'O':
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
*obufp++ = 'o';
else
*obufp++ = 'd';
break;
case 'T':
if (intel_syntax)
break;
if (mode_64bit)
{
*obufp++ = 'q';
break;
}
/* Fall through. */
case 'P':
if (intel_syntax)
break;
if ((prefixes & PREFIX_DATA)
|| (rex & REX_MODE64)
|| (sizeflag & SUFFIX_ALWAYS))
{
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
*obufp++ = 'q';
else
{
if (sizeflag & DFLAG)
*obufp++ = 'l';
else
*obufp++ = 'w';
used_prefixes |= (prefixes & PREFIX_DATA);
}
}
break;
case 'U':
if (intel_syntax)
break;
if (mode_64bit)
{
*obufp++ = 'q';
break;
}
/* Fall through. */
case 'Q':
if (intel_syntax)
break;
USED_REX (REX_MODE64);
if (mod != 3 || (sizeflag & SUFFIX_ALWAYS))
{
if (rex & REX_MODE64)
*obufp++ = 'q';
else
{
if (sizeflag & DFLAG)
*obufp++ = 'l';
else
*obufp++ = 'w';
used_prefixes |= (prefixes & PREFIX_DATA);
}
}
break;
case 'R':
USED_REX (REX_MODE64);
if (intel_syntax)
{
if (rex & REX_MODE64)
{
*obufp++ = 'q';
*obufp++ = 't';
}
else if (sizeflag & DFLAG)
{
*obufp++ = 'd';
*obufp++ = 'q';
}
else
{
*obufp++ = 'w';
*obufp++ = 'd';
}
}
else
{
if (rex & REX_MODE64)
*obufp++ = 'q';
else if (sizeflag & DFLAG)
*obufp++ = 'l';
else
*obufp++ = 'w';
}
if (!(rex & REX_MODE64))
used_prefixes |= (prefixes & PREFIX_DATA);
|
|
2753
2754
|
break;
case 'S':
|
|
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
|
if (intel_syntax)
break;
if (sizeflag & SUFFIX_ALWAYS)
{
if (rex & REX_MODE64)
*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';
|
|
2774
|
else
|
|
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
|
*obufp++ = 's';
used_prefixes |= (prefixes & PREFIX_DATA);
break;
case 'Y':
if (intel_syntax)
break;
if (rex & REX_MODE64)
{
USED_REX (REX_MODE64);
*obufp++ = 'q';
}
|
|
2786
|
break;
|
|
2787
|
/* implicit operand size 'l' for i386 or 'q' for x86-64 */
|
|
2788
2789
|
case 'W':
/* operand size flag for cwtl, cbtw */
|
|
2790
2791
2792
2793
|
USED_REX (0);
if (rex)
*obufp++ = 'l';
else if (sizeflag & DFLAG)
|
|
2794
2795
2796
|
*obufp++ = 'w';
else
*obufp++ = 'b';
|
|
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
|
if (intel_syntax)
{
if (rex)
{
*obufp++ = 'q';
*obufp++ = 'e';
}
if (sizeflag & DFLAG)
{
*obufp++ = 'd';
*obufp++ = 'e';
}
else
{
*obufp++ = 'w';
}
}
if (!rex)
used_prefixes |= (prefixes & PREFIX_DATA);
|
|
2816
2817
2818
2819
|
break;
}
}
*obufp = 0;
|
|
2820
|
return 0;
|
|
2821
2822
2823
2824
|
}
static void
oappend (s)
|
|
2825
|
const char *s;
|
|
2826
2827
2828
2829
2830
2831
|
{
strcpy (obufp, s);
obufp += strlen (s);
}
static void
|
|
2832
|
append_seg ()
|
|
2833
2834
|
{
if (prefixes & PREFIX_CS)
|
|
2835
2836
2837
2838
|
{
used_prefixes |= PREFIX_CS;
oappend ("%cs:" + intel_syntax);
}
|
|
2839
|
if (prefixes & PREFIX_DS)
|
|
2840
2841
2842
2843
|
{
used_prefixes |= PREFIX_DS;
oappend ("%ds:" + intel_syntax);
}
|
|
2844
|
if (prefixes & PREFIX_SS)
|
|
2845
2846
2847
2848
|
{
used_prefixes |= PREFIX_SS;
oappend ("%ss:" + intel_syntax);
}
|
|
2849
|
if (prefixes & PREFIX_ES)
|
|
2850
2851
2852
2853
|
{
used_prefixes |= PREFIX_ES;
oappend ("%es:" + intel_syntax);
}
|
|
2854
|
if (prefixes & PREFIX_FS)
|
|
2855
2856
2857
2858
|
{
used_prefixes |= PREFIX_FS;
oappend ("%fs:" + intel_syntax);
}
|
|
2859
|
if (prefixes & PREFIX_GS)
|
|
2860
2861
2862
2863
|
{
used_prefixes |= PREFIX_GS;
oappend ("%gs:" + intel_syntax);
}
|
|
2864
2865
|
}
|
|
2866
2867
|
static void
OP_indirE (bytemode, sizeflag)
|
|
2868
|
int bytemode;
|
|
2869
|
int sizeflag;
|
|
2870
|
{
|
|
2871
2872
2873
|
if (!intel_syntax)
oappend ("*");
OP_E (bytemode, sizeflag);
|
|
2874
2875
|
}
|
|
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
|
static void
print_operand_value (buf, hex, disp)
char *buf;
int hex;
bfd_vma disp;
{
if (mode_64bit)
{
if (hex)
{
char tmp[30];
int i;
buf[0] = '0';
buf[1] = 'x';
sprintf_vma (tmp, disp);
for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++);
strcpy (buf + 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)
{
strcpy (buf, "9223372036854775808");
return;
}
}
if (!v)
{
strcpy (buf, "0");
return;
}
i = 0;
tmp[29] = 0;
while (v)
{
tmp[28 - i] = (v % 10) + '0';
v /= 10;
i++;
}
strcpy (buf, tmp + 29 - i);
}
}
else
{
if (hex)
sprintf (buf, "0x%x", (unsigned int) disp);
else
sprintf (buf, "%d", (int) disp);
}
}
static void
OP_E (bytemode, sizeflag)
|
|
2938
|
int bytemode;
|
|
2939
|
int sizeflag;
|
|
2940
|
{
|
|
2941
2942
2943
2944
2945
2946
|
bfd_vma disp;
int add = 0;
int riprel = 0;
USED_REX (REX_EXTZ);
if (rex & REX_EXTZ)
add += 8;
|
|
2947
|
|
|
2948
2949
|
/* Skip mod/rm byte. */
MODRM_CHECK;
|
|
2950
2951
2952
2953
2954
2955
2956
|
codep++;
if (mod == 3)
{
switch (bytemode)
{
case b_mode:
|
|
2957
2958
2959
2960
2961
|
USED_REX (0);
if (rex)
oappend (names8rex[rm + add]);
else
oappend (names8[rm + add]);
|
|
2962
2963
|
break;
case w_mode:
|
|
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
|
oappend (names16[rm + add]);
break;
case d_mode:
oappend (names32[rm + add]);
break;
case q_mode:
oappend (names64[rm + add]);
break;
case m_mode:
if (mode_64bit)
oappend (names64[rm + add]);
else
oappend (names32[rm + add]);
|
|
2977
2978
|
break;
case v_mode:
|
|
2979
2980
2981
2982
2983
|
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
oappend (names64[rm + add]);
else if (sizeflag & DFLAG)
oappend (names32[rm + add]);
|
|
2984
|
else
|
|
2985
2986
2987
2988
2989
2990
2991
2992
|
oappend (names16[rm + add]);
used_prefixes |= (prefixes & PREFIX_DATA);
break;
case 0:
if (!(codep[-2] == 0xAE && codep[-1] == 0xF8 /* sfence */)
&& !(codep[-2] == 0xAE && codep[-1] == 0xF0 /* mfence */)
&& !(codep[-2] == 0xAE && codep[-1] == 0xe8 /* lfence */))
BadOp (); /* bad sfence,lea,lds,les,lfs,lgs,lss modrm */
|
|
2993
2994
|
break;
default:
|
|
2995
|
oappend (INTERNAL_DISASSEMBLER_ERROR);
|
|
2996
2997
|
break;
}
|
|
2998
|
return;
|
|
2999
3000
3001
|
}
disp = 0;
|
|
3002
|
append_seg ();
|
|
3003
|
|
|
3004
|
if ((sizeflag & AFLAG) || mode_64bit) /* 32 bit address mode */
|
|
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
|
{
int havesib;
int havebase;
int base;
int index = 0;
int scale = 0;
havesib = 0;
havebase = 1;
base = rm;
if (base == 4)
{
havesib = 1;
FETCH_DATA (the_info, codep + 1);
scale = (*codep >> 6) & 3;
index = (*codep >> 3) & 7;
base = *codep & 7;
|
|
3023
3024
3025
3026
3027
3028
|
USED_REX (REX_EXTY);
USED_REX (REX_EXTZ);
if (rex & REX_EXTY)
index += 8;
if (rex & REX_EXTZ)
base += 8;
|
|
3029
3030
3031
3032
3033
3034
|
codep++;
}
switch (mod)
{
case 0:
|
|
3035
|
if ((base & 7) == 5)
|
|
3036
3037
|
{
havebase = 0;
|
|
3038
3039
3040
|
if (mode_64bit && !havesib && (sizeflag & AFLAG))
riprel = 1;
disp = get32s ();
|
|
3041
3042
3043
3044
3045
3046
3047
3048
3049
|
}
break;
case 1:
FETCH_DATA (the_info, codep + 1);
disp = *codep++;
if ((disp & 0x80) != 0)
disp -= 0x100;
break;
case 2:
|
|
3050
|
disp = get32s ();
|
|
3051
3052
3053
|
break;
}
|
|
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
|
if (!intel_syntax)
if (mod != 0 || (base & 7) == 5)
{
print_operand_value (scratchbuf, !riprel, disp);
oappend (scratchbuf);
if (riprel)
{
set_op (disp, 1);
oappend ("(%rip)");
}
}
|
|
3065
3066
3067
|
if (havebase || (havesib && (index != 4 || scale != 0)))
{
|
|
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
|
if (intel_syntax)
{
switch (bytemode)
{
case b_mode:
oappend ("BYTE PTR ");
break;
case w_mode:
oappend ("WORD PTR ");
break;
case v_mode:
oappend ("DWORD PTR ");
break;
case d_mode:
oappend ("QWORD PTR ");
break;
case m_mode:
if (mode_64bit)
oappend ("DWORD PTR ");
else
oappend ("QWORD PTR ");
break;
case x_mode:
oappend ("XWORD PTR ");
break;
default:
break;
}
}
*obufp++ = open_char;
if (intel_syntax && riprel)
oappend ("rip + ");
*obufp = '\0';
USED_REX (REX_EXTZ);
if (!havesib && (rex & REX_EXTZ))
base += 8;
|
|
3104
|
if (havebase)
|
|
3105
3106
|
oappend (mode_64bit && (sizeflag & AFLAG)
? names64[base] : names32[base]);
|
|
3107
3108
3109
3110
|
if (havesib)
{
if (index != 4)
{
|
|
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
|
if (intel_syntax)
{
if (havebase)
{
*obufp++ = separator_char;
*obufp = '\0';
}
sprintf (scratchbuf, "%s",
mode_64bit && (sizeflag & AFLAG)
? names64[index] : names32[index]);
}
else
sprintf (scratchbuf, ",%s",
mode_64bit && (sizeflag & AFLAG)
? names64[index] : names32[index]);
|
|
3126
3127
|
oappend (scratchbuf);
}
|
|
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
|
if (!intel_syntax
|| (intel_syntax
&& bytemode != b_mode
&& bytemode != w_mode
&& bytemode != v_mode))
{
*obufp++ = scale_char;
*obufp = '\0';
sprintf (scratchbuf, "%d", 1 << scale);
oappend (scratchbuf);
}
|
|
3139
|
}
|
|
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
|
if (intel_syntax)
if (mod != 0 || (base & 7) == 5)
{
/* Don't print zero displacements. */
if (disp != 0)
{
if ((bfd_signed_vma) disp > 0)
{
*obufp++ = '+';
*obufp = '\0';
}
print_operand_value (scratchbuf, 0, disp);
oappend (scratchbuf);
}
}
*obufp++ = close_char;
*obufp = '\0';
|
|
3159
|
}
|
|
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
|
else if (intel_syntax)
{
if (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, 1, disp);
oappend (scratchbuf);
}
}
|
|
3176
3177
3178
3179
3180
3181
|
}
else
{ /* 16 bit address mode */
switch (mod)
{
case 0:
|
|
3182
|
if ((rm & 7) == 6)
|
|
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
|
{
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;
}
|
|
3202
3203
3204
3205
3206
3207
|
if (!intel_syntax)
if (mod != 0 || (rm & 7) == 6)
{
print_operand_value (scratchbuf, 0, disp);
oappend (scratchbuf);
}
|
|
3208
|
|
|
3209
|
if (mod != 0 || (rm & 7) != 6)
|
|
3210
|
{
|
|
3211
3212
3213
3214
3215
|
*obufp++ = open_char;
*obufp = '\0';
oappend (index16[rm + add]);
*obufp++ = close_char;
*obufp = '\0';
|
|
3216
3217
3218
3219
|
}
}
}
|
|
3220
3221
|
static void
OP_G (bytemode, sizeflag)
|
|
3222
|
int bytemode;
|
|
3223
|
int sizeflag;
|
|
3224
|
{
|
|
3225
3226
3227
3228
3229
|
int add = 0;
USED_REX (REX_EXTX);
if (rex & REX_EXTX)
add += 8;
switch (bytemode)
|
|
3230
3231
|
{
case b_mode:
|
|
3232
3233
3234
3235
3236
|
USED_REX (0);
if (rex)
oappend (names8rex[reg + add]);
else
oappend (names8[reg + add]);
|
|
3237
3238
|
break;
case w_mode:
|
|
3239
|
oappend (names16[reg + add]);
|
|
3240
3241
|
break;
case d_mode:
|
|
3242
3243
3244
3245
|
oappend (names32[reg + add]);
break;
case q_mode:
oappend (names64[reg + add]);
|
|
3246
3247
|
break;
case v_mode:
|
|
3248
3249
3250
3251
3252
|
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
oappend (names64[reg + add]);
else if (sizeflag & DFLAG)
oappend (names32[reg + add]);
|
|
3253
|
else
|
|
3254
3255
|
oappend (names16[reg + add]);
used_prefixes |= (prefixes & PREFIX_DATA);
|
|
3256
3257
|
break;
default:
|
|
3258
|
oappend (INTERNAL_DISASSEMBLER_ERROR);
|
|
3259
3260
3261
3262
|
break;
}
}
|
|
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
|
static bfd_vma
get64 ()
{
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
|
|
3289
3290
|
get32 ()
{
|
|
3291
|
bfd_signed_vma x = 0;
|
|
3292
3293
|
FETCH_DATA (the_info, codep + 4);
|
|
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
|
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 ()
{
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;
|
|
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
|
}
static int
get16 ()
{
int x = 0;
FETCH_DATA (the_info, codep + 2);
x = *codep++ & 0xff;
x |= (*codep++ & 0xff) << 8;
|
|
3325
|
return x;
|
|
3326
3327
3328
|
}
static void
|
|
3329
3330
3331
|
set_op (op, riprel)
bfd_vma op;
int riprel;
|
|
3332
3333
|
{
op_index[op_ad] = op_ad;
|
|
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
|
if (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;
}
|
|
3345
3346
|
}
|
|
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
|
static void
OP_REG (code, sizeflag)
int code;
int sizeflag;
{
const char *s;
int add = 0;
USED_REX (REX_EXTZ);
if (rex & REX_EXTZ)
add = 8;
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 + 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 (mode_64bit)
{
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_MODE64);
if (rex & REX_MODE64)
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 (code, sizeflag)
|
|
3411
|
int code;
|
|
3412
|
int sizeflag;
|
|
3413
|
{
|
|
3414
3415
3416
|
const char *s;
switch (code)
|
|
3417
|
{
|
|
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
|
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_MODE64);
if (rex & REX_MODE64)
s = names64[code - eAX_reg];
else if (sizeflag & DFLAG)
|
|
3446
3447
3448
|
s = names32[code - eAX_reg];
else
s = names16[code - eAX_reg];
|
|
3449
|
used_prefixes |= (prefixes & PREFIX_DATA);
|
|
3450
3451
|
break;
default:
|
|
3452
|
s = INTERNAL_DISASSEMBLER_ERROR;
|
|
3453
3454
3455
3456
3457
|
break;
}
oappend (s);
}
|
|
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
|
static void
OP_I (bytemode, sizeflag)
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 (mode_64bit)
{
op = get32s ();
break;
}
/* Fall through. */
case v_mode:
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
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;
default:
oappend (INTERNAL_DISASSEMBLER_ERROR);
return;
}
op &= mask;
scratchbuf[0] = '$';
print_operand_value (scratchbuf + 1, 1, op);
oappend (scratchbuf + intel_syntax);
scratchbuf[0] = '\0';
}
static void
OP_I64 (bytemode, sizeflag)
|
|
3514
|
int bytemode;
|
|
3515
|
int sizeflag;
|
|
3516
|
{
|
|
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
|
bfd_signed_vma op;
bfd_signed_vma mask = -1;
if (!mode_64bit)
{
OP_I (bytemode, sizeflag);
return;
}
switch (bytemode)
|
|
3527
3528
3529
|
{
case b_mode:
FETCH_DATA (the_info, codep + 1);
|
|
3530
3531
|
op = *codep++;
mask = 0xff;
|
|
3532
3533
|
break;
case v_mode:
|
|
3534
3535
3536
3537
3538
3539
3540
3541
|
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
op = get64 ();
else if (sizeflag & DFLAG)
{
op = get32 ();
mask = 0xffffffff;
}
|
|
3542
|
else
|
|
3543
3544
3545
3546
3547
|
{
op = get16 ();
mask = 0xfffff;
}
used_prefixes |= (prefixes & PREFIX_DATA);
|
|
3548
3549
|
break;
case w_mode:
|
|
3550
|
mask = 0xfffff;
|
|
3551
3552
3553
|
op = get16 ();
break;
default:
|
|
3554
3555
|
oappend (INTERNAL_DISASSEMBLER_ERROR);
return;
|
|
3556
|
}
|
|
3557
3558
3559
3560
3561
3562
|
op &= mask;
scratchbuf[0] = '$';
print_operand_value (scratchbuf + 1, 1, op);
oappend (scratchbuf + intel_syntax);
scratchbuf[0] = '\0';
|
|
3563
3564
|
}
|
|
3565
3566
|
static void
OP_sI (bytemode, sizeflag)
|
|
3567
|
int bytemode;
|
|
3568
|
int sizeflag;
|
|
3569
|
{
|
|
3570
3571
3572
3573
|
bfd_signed_vma op;
bfd_signed_vma mask = -1;
switch (bytemode)
|
|
3574
3575
3576
3577
3578
3579
|
{
case b_mode:
FETCH_DATA (the_info, codep + 1);
op = *codep++;
if ((op & 0x80) != 0)
op -= 0x100;
|
|
3580
|
mask = 0xffffffff;
|
|
3581
3582
|
break;
case v_mode:
|
|
3583
3584
3585
3586
3587
3588
3589
3590
|
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
op = get32s ();
else if (sizeflag & DFLAG)
{
op = get32s ();
mask = 0xffffffff;
}
|
|
3591
3592
|
else
{
|
|
3593
3594
|
mask = 0xffffffff;
op = get16 ();
|
|
3595
3596
3597
|
if ((op & 0x8000) != 0)
op -= 0x10000;
}
|
|
3598
|
used_prefixes |= (prefixes & PREFIX_DATA);
|
|
3599
3600
3601
|
break;
case w_mode:
op = get16 ();
|
|
3602
|
mask = 0xffffffff;
|
|
3603
3604
3605
3606
|
if ((op & 0x8000) != 0)
op -= 0x10000;
break;
default:
|
|
3607
3608
|
oappend (INTERNAL_DISASSEMBLER_ERROR);
return;
|
|
3609
|
}
|
|
3610
3611
3612
3613
|
scratchbuf[0] = '$';
print_operand_value (scratchbuf + 1, 1, op);
oappend (scratchbuf + intel_syntax);
|
|
3614
3615
|
}
|
|
3616
3617
|
static void
OP_J (bytemode, sizeflag)
|
|
3618
|
int bytemode;
|
|
3619
|
int sizeflag;
|
|
3620
|
{
|
|
3621
3622
3623
3624
|
bfd_vma disp;
bfd_vma mask = -1;
switch (bytemode)
|
|
3625
3626
3627
3628
3629
3630
3631
3632
|
{
case b_mode:
FETCH_DATA (the_info, codep + 1);
disp = *codep++;
if ((disp & 0x80) != 0)
disp -= 0x100;
break;
case v_mode:
|
|
3633
3634
|
if (sizeflag & DFLAG)
disp = get32s ();
|
|
3635
3636
3637
|
else
{
disp = get16 ();
|
|
3638
|
/* For some reason, a data16 prefix on a jump instruction
|
|
3639
3640
3641
3642
3643
3644
|
means that the pc is masked to 16 bits after the
displacement is added! */
mask = 0xffff;
}
break;
default:
|
|
3645
3646
|
oappend (INTERNAL_DISASSEMBLER_ERROR);
return;
|
|
3647
3648
|
}
disp = (start_pc + codep - start_codep + disp) & mask;
|
|
3649
3650
|
set_op (disp, 0);
print_operand_value (scratchbuf, 1, disp);
|
|
3651
3652
3653
|
oappend (scratchbuf);
}
|
|
3654
3655
|
static void
OP_SEG (dummy, sizeflag)
|
|
3656
|
int dummy;
|
|
3657
|
int sizeflag;
|
|
3658
|
{
|
|
3659
|
oappend (names_seg[reg]);
|
|
3660
3661
|
}
|
|
3662
3663
3664
3665
|
static void
OP_DIR (dummy, sizeflag)
int dummy;
int sizeflag;
|
|
3666
3667
|
{
int seg, offset;
|
|
3668
3669
|
if (sizeflag & DFLAG)
|
|
3670
|
{
|
|
3671
3672
|
offset = get32 ();
seg = get16 ();
|
|
3673
|
}
|
|
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
|
else
{
offset = get16 ();
seg = get16 ();
}
used_prefixes |= (prefixes & PREFIX_DATA);
if (intel_syntax)
sprintf (scratchbuf, "0x%x,0x%x", seg, offset);
else
sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset);
oappend (scratchbuf);
|
|
3685
3686
|
}
|
|
3687
3688
|
static void
OP_OFF (bytemode, sizeflag)
|
|
3689
|
int bytemode;
|
|
3690
|
int sizeflag;
|
|
3691
|
{
|
|
3692
|
bfd_vma off;
|
|
3693
|
|
|
3694
|
append_seg ();
|
|
3695
|
|
|
3696
|
if ((sizeflag & AFLAG) || mode_64bit)
|
|
3697
3698
3699
|
off = get32 ();
else
off = get16 ();
|
|
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
|
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, 1, off);
|
|
3711
3712
3713
|
oappend (scratchbuf);
}
|
|
3714
3715
3716
3717
|
static void
OP_OFF64 (bytemode, sizeflag)
int bytemode;
int sizeflag;
|
|
3718
|
{
|
|
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
|
bfd_vma off;
if (!mode_64bit)
{
OP_OFF (bytemode, sizeflag);
return;
}
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, 1, off);
oappend (scratchbuf);
|
|
3742
3743
|
}
|
|
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
|
static void
ptr_reg (code, sizeflag)
int code;
int sizeflag;
{
const char *s;
if (intel_syntax)
oappend ("[");
else
oappend ("(");
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
{
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);
if (intel_syntax)
oappend ("]");
else
oappend (")");
}
static void
OP_ESreg (code, sizeflag)
int code;
int sizeflag;
{
oappend ("%es:" + intel_syntax);
ptr_reg (code, sizeflag);
}
static void
OP_DSreg (code, sizeflag)
int code;
int sizeflag;
|
|
3787
3788
3789
3790
3791
3792
3793
3794
3795
|
{
if ((prefixes
& (PREFIX_CS
| PREFIX_DS
| PREFIX_SS
| PREFIX_ES
| PREFIX_FS
| PREFIX_GS)) == 0)
prefixes |= PREFIX_DS;
|
|
3796
3797
|
append_seg ();
ptr_reg (code, sizeflag);
|
|
3798
3799
|
}
|
|
3800
3801
|
static void
OP_C (dummy, sizeflag)
|
|
3802
|
int dummy;
|
|
3803
|
int sizeflag;
|
|
3804
|
{
|
|
3805
3806
3807
3808
3809
3810
|
int add = 0;
USED_REX (REX_EXTX);
if (rex & REX_EXTX)
add = 8;
sprintf (scratchbuf, "%%cr%d", reg + add);
oappend (scratchbuf + intel_syntax);
|
|
3811
3812
|
}
|
|
3813
3814
|
static void
OP_D (dummy, sizeflag)
|
|
3815
|
int dummy;
|
|
3816
|
int sizeflag;
|
|
3817
|
{
|
|
3818
3819
3820
3821
3822
3823
3824
3825
|
int add = 0;
USED_REX (REX_EXTX);
if (rex & REX_EXTX)
add = 8;
if (intel_syntax)
sprintf (scratchbuf, "db%d", reg + add);
else
sprintf (scratchbuf, "%%db%d", reg + add);
|
|
3826
3827
3828
|
oappend (scratchbuf);
}
|
|
3829
3830
|
static void
OP_T (dummy, sizeflag)
|
|
3831
|
int dummy;
|
|
3832
|
int sizeflag;
|
|
3833
|
{
|
|
3834
3835
|
sprintf (scratchbuf, "%%tr%d", reg);
oappend (scratchbuf + intel_syntax);
|
|
3836
3837
|
}
|
|
3838
3839
3840
3841
|
static void
OP_Rd (bytemode, sizeflag)
int bytemode;
int sizeflag;
|
|
3842
|
{
|
|
3843
3844
3845
3846
|
if (mod == 3)
OP_E (bytemode, sizeflag);
else
BadOp ();
|
|
3847
3848
|
}
|
|
3849
3850
|
static void
OP_MMX (bytemode, sizeflag)
|
|
3851
|
int bytemode;
|
|
3852
|
int sizeflag;
|
|
3853
|
{
|
|
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
|
int add = 0;
USED_REX (REX_EXTX);
if (rex & REX_EXTX)
add = 8;
used_prefixes |= (prefixes & PREFIX_DATA);
if (prefixes & PREFIX_DATA)
sprintf (scratchbuf, "%%xmm%d", reg + add);
else
sprintf (scratchbuf, "%%mm%d", reg + add);
oappend (scratchbuf + intel_syntax);
|
|
3864
3865
|
}
|
|
3866
3867
|
static void
OP_XMM (bytemode, sizeflag)
|
|
3868
|
int bytemode;
|
|
3869
|
int sizeflag;
|
|
3870
|
{
|
|
3871
3872
3873
3874
3875
3876
|
int add = 0;
USED_REX (REX_EXTX);
if (rex & REX_EXTX)
add = 8;
sprintf (scratchbuf, "%%xmm%d", reg + add);
oappend (scratchbuf + intel_syntax);
|
|
3877
3878
|
}
|
|
3879
3880
|
static void
OP_EM (bytemode, sizeflag)
|
|
3881
|
int bytemode;
|
|
3882
|
int sizeflag;
|
|
3883
|
{
|
|
3884
|
int add = 0;
|
|
3885
|
if (mod != 3)
|
|
3886
3887
3888
3889
3890
3891
3892
|
{
OP_E (bytemode, sizeflag);
return;
}
USED_REX (REX_EXTZ);
if (rex & REX_EXTZ)
add = 8;
|
|
3893
|
|
|
3894
3895
|
/* Skip mod/rm byte. */
MODRM_CHECK;
|
|
3896
|
codep++;
|
|
3897
3898
3899
3900
3901
3902
|
used_prefixes |= (prefixes & PREFIX_DATA);
if (prefixes & PREFIX_DATA)
sprintf (scratchbuf, "%%xmm%d", rm + add);
else
sprintf (scratchbuf, "%%mm%d", rm + add);
oappend (scratchbuf + intel_syntax);
|
|
3903
3904
|
}
|
|
3905
3906
|
static void
OP_EX (bytemode, sizeflag)
|
|
3907
|
int bytemode;
|
|
3908
|
int sizeflag;
|
|
3909
|
{
|
|
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
|
int add = 0;
if (mod != 3)
{
OP_E (bytemode, sizeflag);
return;
}
USED_REX (REX_EXTZ);
if (rex & REX_EXTZ)
add = 8;
/* Skip mod/rm byte. */
MODRM_CHECK;
codep++;
sprintf (scratchbuf, "%%xmm%d", rm + add);
oappend (scratchbuf + intel_syntax);
}
static void
OP_MS (bytemode, sizeflag)
int bytemode;
int sizeflag;
{
if (mod == 3)
OP_EM (bytemode, sizeflag);
else
BadOp ();
}
static void
OP_XS (bytemode, sizeflag)
int bytemode;
int sizeflag;
{
if (mod == 3)
OP_EX (bytemode, sizeflag);
else
BadOp ();
}
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", "pfmulhrw",
/* 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 (bytemode, sizeflag)
int bytemode;
int sizeflag;
{
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. */
op1out[0] = '\0';
op2out[0] = '\0';
BadOp ();
}
}
static const char *simd_cmp_op[] = {
"eq",
"lt",
"le",
"unord",
"neq",
"nlt",
"nle",
"ord"
};
static void
OP_SIMD_Suffix (bytemode, sizeflag)
int bytemode;
int sizeflag;
{
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';
}
}
sprintf (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. */
op1out[0] = '\0';
op2out[0] = '\0';
BadOp ();
}
}
static void
SIMD_Fixup (extrachar, sizeflag)
int extrachar;
int sizeflag;
{
/* Change movlps/movhps to movhlps/movlhps for 2 register operand
forms of these instructions. */
if (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
BadOp (void)
{
/* Throw away prefixes and 1st. opcode byte. */
codep = insn_codep + 1;
oappend ("(bad)");
|
|
4120
|
}
|