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Diffstat (limited to 'opcodes/i386-dis.c')
| -rw-r--r-- | opcodes/i386-dis.c | 4144 |
1 files changed, 0 insertions, 4144 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c deleted file mode 100644 index d2271d8..0000000 --- a/opcodes/i386-dis.c +++ /dev/null @@ -1,4144 +0,0 @@ -/* Print i386 instructions for GDB, the GNU debugger. - Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2001 - 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) - * x86-64 support added by Jan Hubicka (jh@suse.cz) - */ - -/* - * The main tables describing the instructions is essentially a copy - * of the "Opcode Map" chapter (Appendix A) of the Intel 80386 - * Programmers Manual. Usually, there is a capital letter, followed - * by a small letter. The capital letter tell the addressing mode, - * and the small letter tells about the operand size. Refer to - * the Intel manual for details. - */ - -#include "dis-asm.h" -#include "sysdep.h" -#include "opintl.h" - -#define MAXLEN 20 - -#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 - -static int fetch_data PARAMS ((struct disassemble_info *, bfd_byte *)); -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)); - -struct dis_private { - /* Points to first byte not fetched. */ - bfd_byte *max_fetched; - bfd_byte the_buffer[MAXLEN]; - bfd_vma insn_start; - int orig_sizeflag; - jmp_buf bailout; -}; - -/* 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 - -/* 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) \ - ((addr) <= ((struct dis_private *) (info->private_data))->max_fetched \ - ? 1 : fetch_data ((info), (addr))) - -static int -fetch_data (info, addr) - struct disassemble_info *info; - bfd_byte *addr; -{ - int status; - struct dis_private *priv = (struct dis_private *) info->private_data; - bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer); - - status = (*info->read_memory_func) (start, - priv->max_fetched, - addr - priv->max_fetched, - info); - if (status != 0) - { - /* If we did manage to read at least one byte, then - print_insn_i386 will do something sensible. Otherwise, print - an error. We do that here because this is where we know - STATUS. */ - if (priv->max_fetched == priv->the_buffer) - (*info->memory_error_func) (status, start, info); - longjmp (priv->bailout, 1); - } - else - priv->max_fetched = addr; - return 1; -} - -#define XX NULL, 0 - -#define Eb OP_E, b_mode -#define Ev OP_E, v_mode -#define Ed OP_E, d_mode -#define indirEb OP_indirE, b_mode -#define indirEv OP_indirE, v_mode -#define Ew OP_E, w_mode -#define Ma OP_E, v_mode -#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 -#define Gv OP_G, v_mode -#define Gd OP_G, d_mode -#define Gw OP_G, w_mode -#define Rd OP_Rd, d_mode -#define Rm OP_Rd, m_mode -#define Ib OP_I, b_mode -#define sIb OP_sI, b_mode /* sign extened byte */ -#define Iv OP_I, v_mode -#define Iq OP_I, q_mode -#define Iv64 OP_I64, v_mode -#define Iw OP_I, w_mode -#define Jb OP_J, b_mode -#define Jv OP_J, v_mode -#define Cm OP_C, m_mode -#define Dm OP_D, m_mode -#define Td OP_T, d_mode - -#define RMeAX OP_REG, eAX_reg -#define RMeBX OP_REG, eBX_reg -#define RMeCX OP_REG, eCX_reg -#define RMeDX OP_REG, eDX_reg -#define RMeSP OP_REG, eSP_reg -#define RMeBP OP_REG, eBP_reg -#define RMeSI OP_REG, eSI_reg -#define RMeDI OP_REG, eDI_reg -#define RMrAX OP_REG, rAX_reg -#define RMrBX OP_REG, rBX_reg -#define RMrCX OP_REG, rCX_reg -#define RMrDX OP_REG, rDX_reg -#define RMrSP OP_REG, rSP_reg -#define RMrBP OP_REG, rBP_reg -#define RMrSI OP_REG, rSI_reg -#define RMrDI OP_REG, rDI_reg -#define RMAL OP_REG, al_reg -#define RMAL OP_REG, al_reg -#define RMCL OP_REG, cl_reg -#define RMDL OP_REG, dl_reg -#define RMBL OP_REG, bl_reg -#define RMAH OP_REG, ah_reg -#define RMCH OP_REG, ch_reg -#define RMDH OP_REG, dh_reg -#define RMBH OP_REG, bh_reg -#define RMAX OP_REG, ax_reg -#define RMDX OP_REG, dx_reg - -#define eAX OP_IMREG, eAX_reg -#define eBX OP_IMREG, eBX_reg -#define eCX OP_IMREG, eCX_reg -#define eDX OP_IMREG, eDX_reg -#define eSP OP_IMREG, eSP_reg -#define eBP OP_IMREG, eBP_reg -#define eSI OP_IMREG, eSI_reg -#define eDI OP_IMREG, eDI_reg -#define AL OP_IMREG, al_reg -#define 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 - -#define Sw OP_SEG, w_mode -#define Ap OP_DIR, 0 -#define Ob OP_OFF, b_mode -#define Ob64 OP_OFF64, b_mode -#define Ov OP_OFF, v_mode -#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 - -#define es OP_REG, es_reg -#define ss OP_REG, ss_reg -#define cs OP_REG, cs_reg -#define ds OP_REG, ds_reg -#define fs OP_REG, fs_reg -#define gs OP_REG, gs_reg - -#define MX OP_MMX, 0 -#define XM OP_XMM, 0 -#define EM OP_EM, v_mode -#define 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 - -#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 - -#define es_reg 100 -#define cs_reg 101 -#define ss_reg 102 -#define ds_reg 103 -#define fs_reg 104 -#define gs_reg 105 - -#define eAX_reg 108 -#define eCX_reg 109 -#define eDX_reg 110 -#define eBX_reg 111 -#define eSP_reg 112 -#define eBP_reg 113 -#define eSI_reg 114 -#define eDI_reg 115 - -#define al_reg 116 -#define cl_reg 117 -#define dl_reg 118 -#define bl_reg 119 -#define ah_reg 120 -#define ch_reg 121 -#define dh_reg 122 -#define bh_reg 123 - -#define ax_reg 124 -#define cx_reg 125 -#define dx_reg 126 -#define bx_reg 127 -#define sp_reg 128 -#define bp_reg 129 -#define si_reg 130 -#define di_reg 131 - -#define rAX_reg 132 -#define rCX_reg 133 -#define rDX_reg 134 -#define rBX_reg 135 -#define rSP_reg 136 -#define rBP_reg 137 -#define rSI_reg 138 -#define rDI_reg 139 - -#define indir_dx_reg 150 - -#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)); - -struct dis386 { - const char *name; - op_rtn op1; - int bytemode1; - op_rtn op2; - int bytemode2; - op_rtn op3; - int bytemode3; -}; - -/* 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[] = { - /* 00 */ - { "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 }, - /* 08 */ - { "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 */ - /* 10 */ - { "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 }, - /* 18 */ - { "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 }, - /* 20 */ - { "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 }, - /* 28 */ - { "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 }, - /* 30 */ - { "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 }, - /* 38 */ - { "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 }, - /* 40 */ - { "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 }, - /* 48 */ - { "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 }, - /* 50 */ - { "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 }, - /* 58 */ - { "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 }, - /* 60 */ - { "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 */ - /* 68 */ - { "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 }, - /* 70 */ - { "joH", Jb, XX, cond_jump_flag }, - { "jnoH", Jb, XX, cond_jump_flag }, - { "jbH", Jb, XX, cond_jump_flag }, - { "jaeH", Jb, XX, cond_jump_flag }, - { "jeH", Jb, XX, cond_jump_flag }, - { "jneH", Jb, XX, cond_jump_flag }, - { "jbeH", Jb, XX, cond_jump_flag }, - { "jaH", Jb, XX, cond_jump_flag }, - /* 78 */ - { "jsH", Jb, XX, cond_jump_flag }, - { "jnsH", Jb, XX, cond_jump_flag }, - { "jpH", Jb, XX, cond_jump_flag }, - { "jnpH", Jb, XX, cond_jump_flag }, - { "jlH", Jb, XX, cond_jump_flag }, - { "jgeH", Jb, XX, cond_jump_flag }, - { "jleH", Jb, XX, cond_jump_flag }, - { "jgH", Jb, XX, cond_jump_flag }, - /* 80 */ - { GRP1b }, - { GRP1S }, - { "(bad)", XX, XX, XX }, - { GRP1Ss }, - { "testB", Eb, Gb, XX }, - { "testS", Ev, Gv, XX }, - { "xchgB", Eb, Gb, XX }, - { "xchgS", Ev, Gv, XX }, - /* 88 */ - { "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 }, - /* 90 */ - { "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 }, - /* 98 */ - { "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 }, - /* a0 */ - { "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 }, - /* a8 */ - { "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 }, - /* b0 */ - { "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 }, - /* b8 */ - { "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 }, - /* c0 */ - { GRP2b }, - { GRP2S }, - { "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 }, - /* c8 */ - { "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 }, - /* d0 */ - { GRP2b_one }, - { GRP2S_one }, - { GRP2b_cl }, - { GRP2S_cl }, - { "aam{|}", sIb, XX, XX }, - { "aad{|}", sIb, XX, XX }, - { "(bad)", XX, XX, XX }, - { "xlat", DSBX, XX, XX }, - /* d8 */ - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - { FLOAT }, - /* e0 */ - { "loopneFH", Jb, XX, loop_jcxz_flag }, - { "loopeFH", Jb, XX, loop_jcxz_flag }, - { "loopFH", Jb, XX, loop_jcxz_flag }, - { "jEcxzH", Jb, XX, loop_jcxz_flag }, - { "inB", AL, Ib, XX }, - { "inS", eAX, Ib, XX }, - { "outB", Ib, AL, XX }, - { "outS", Ib, eAX, XX }, - /* e8 */ - { "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 }, - /* f0 */ - { "(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 }, - { GRP3b }, - { GRP3S }, - /* f8 */ - { "clc", XX, XX, XX }, - { "stc", XX, XX, XX }, - { "cli", XX, XX, XX }, - { "sti", XX, XX, XX }, - { "cld", XX, XX, XX }, - { "std", XX, XX, XX }, - { GRP4 }, - { GRP5 }, -}; - -static const struct dis386 dis386_twobyte[] = { - /* 00 */ - { GRP6 }, - { GRP7 }, - { "larS", Gv, Ew, XX }, - { "lslS", Gv, Ew, XX }, - { "(bad)", XX, XX, XX }, - { "syscall", XX, XX, XX }, - { "clts", XX, XX, XX }, - { "sysretP", XX, XX, XX }, - /* 08 */ - { "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. */ - /* 10 */ - { 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' }, - /* 18 */ - { 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 }, - /* 20 */ - { "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 }, - /* 28 */ - { "movapX", XM, EX, XX }, - { "movapX", EX, XM, XX }, - { PREGRP2 }, - { "movntpX", Ev, XM, XX }, - { PREGRP4 }, - { PREGRP3 }, - { "ucomisX", XM,EX, XX }, - { "comisX", XM,EX, XX }, - /* 30 */ - { "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 }, - /* 38 */ - { "(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 }, - /* 40 */ - { "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 }, - /* 48 */ - { "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 }, - /* 50 */ - { "movmskpX", Gd, XS, XX }, - { PREGRP13 }, - { PREGRP12 }, - { PREGRP11 }, - { "andpX", XM, EX, XX }, - { "andnpX", XM, EX, XX }, - { "orpX", XM, EX, XX }, - { "xorpX", XM, EX, XX }, - /* 58 */ - { PREGRP0 }, - { PREGRP10 }, - { PREGRP17 }, - { PREGRP16 }, - { PREGRP14 }, - { PREGRP7 }, - { PREGRP5 }, - { PREGRP6 }, - /* 60 */ - { "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 }, - /* 68 */ - { "punpckhbw", MX, EM, XX }, - { "punpckhwd", MX, EM, XX }, - { "punpckhdq", MX, EM, XX }, - { "packssdw", MX, EM, XX }, - { PREGRP26 }, - { PREGRP24 }, - { "movd", MX, Ed, XX }, - { PREGRP19 }, - /* 70 */ - { PREGRP22 }, - { GRP10 }, - { GRP11 }, - { GRP12 }, - { "pcmpeqb", MX, EM, XX }, - { "pcmpeqw", MX, EM, XX }, - { "pcmpeqd", MX, EM, XX }, - { "emms", XX, XX, XX }, - /* 78 */ - { "(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 }, - /* 80 */ - { "joH", Jv, XX, cond_jump_flag }, - { "jnoH", Jv, XX, cond_jump_flag }, - { "jbH", Jv, XX, cond_jump_flag }, - { "jaeH", Jv, XX, cond_jump_flag }, - { "jeH", Jv, XX, cond_jump_flag }, - { "jneH", Jv, XX, cond_jump_flag }, - { "jbeH", Jv, XX, cond_jump_flag }, - { "jaH", Jv, XX, cond_jump_flag }, - /* 88 */ - { "jsH", Jv, XX, cond_jump_flag }, - { "jnsH", Jv, XX, cond_jump_flag }, - { "jpH", Jv, XX, cond_jump_flag }, - { "jnpH", Jv, XX, cond_jump_flag }, - { "jlH", Jv, XX, cond_jump_flag }, - { "jgeH", Jv, XX, cond_jump_flag }, - { "jleH", Jv, XX, cond_jump_flag }, - { "jgH", Jv, XX, cond_jump_flag }, - /* 90 */ - { "seto", Eb, 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 }, - /* 98 */ - { "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 }, - /* a0 */ - { "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 }, - /* a8 */ - { "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 }, - /* b0 */ - { "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 ! */ - /* b8 */ - { "(bad)", XX, XX, XX }, - { "ud2b", XX, XX, XX }, - { GRP8 }, - { "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 ! */ - /* c0 */ - { "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 }, - /* c8 */ - { "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 }, - /* d0 */ - { "(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 }, - /* d8 */ - { "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 }, - /* e0 */ - { "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 }, - /* e8 */ - { "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 }, - /* f0 */ - { "(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 }, - /* f8 */ - { "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 } -}; - -static const unsigned char onebyte_has_modrm[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */ - /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */ - /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */ - /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */ - /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */ - /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */ - /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */ - /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */ - /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ - /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */ - /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */ - /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */ - /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */ - /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */ - /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */ - /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */ - /* ------------------------------- */ - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ -}; - -static const unsigned char twobyte_has_modrm[256] = { - /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ - /* ------------------------------- */ - /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */ - /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */ - /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */ - /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ - /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ - /* 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 */ - /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ - /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */ - /* a0 */ 0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* af */ - /* 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 */ - /* 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 */ -}; - -static char obuf[100]; -static char *obufp; -static char scratchbuf[100]; -static unsigned char *start_codep; -static unsigned char *insn_codep; -static unsigned char *codep; -static disassemble_info *the_info; -static int mod; -static int rm; -static int reg; -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" -}; - -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" -}; -static const char *att_names16[] = { - "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", - "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" -}; -static const char *att_names8[] = { - "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", -}; -static const char *att_names8rex[] = { - "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", - "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" -}; -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" -}; - -static const struct dis386 grps[][8] = { - /* GRP1b */ - { - { "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 } - }, - /* GRP1S */ - { - { "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 } - }, - /* GRP1Ss */ - { - { "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 } - }, - /* GRP2b */ - { - { "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 }, - }, - /* GRP2S */ - { - { "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 }, - }, - /* GRP2b_one */ - { - { "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 }, - }, - /* GRP2S_one */ - { - { "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 }, - }, - /* GRP2b_cl */ - { - { "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 }, - }, - /* GRP2S_cl */ - { - { "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 } - }, - /* GRP3b */ - { - { "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. */ - }, - /* GRP3S */ - { - { "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 }, - }, - /* GRP4 */ - { - { "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 }, - }, - /* GRP5 */ - { - { "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 }, - }, - /* GRP6 */ - { - { "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 } - }, - /* GRP7 */ - { - { "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 }, - }, - /* GRP8 */ - { - { "(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 }, - }, - /* GRP9 */ - { - { "(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 }, - }, - /* GRP10 */ - { - { "(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 }, - }, - /* GRP11 */ - { - { "(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 }, - }, - /* GRP12 */ - { - { "(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 }, - } -}; - -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 }, - }, -}; - -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>") - -static void -ckprefix () -{ - int newrex; - rex = 0; - prefixes = 0; - used_prefixes = 0; - rex_used = 0; - while (1) - { - FETCH_DATA (the_info, codep + 1); - newrex = 0; - switch (*codep) - { - /* REX prefixes family. */ - case 0x40: - case 0x41: - case 0x42: - case 0x43: - case 0x44: - case 0x45: - case 0x46: - case 0x47: - case 0x48: - case 0x49: - case 0x4a: - case 0x4b: - case 0x4c: - case 0x4d: - case 0x4e: - case 0x4f: - if (mode_64bit) - newrex = *codep; - else - return; - break; - case 0xf3: - prefixes |= PREFIX_REPZ; - break; - case 0xf2: - prefixes |= PREFIX_REPNZ; - break; - case 0xf0: - prefixes |= PREFIX_LOCK; - break; - case 0x2e: - prefixes |= PREFIX_CS; - break; - case 0x36: - prefixes |= PREFIX_SS; - break; - case 0x3e: - prefixes |= PREFIX_DS; - break; - case 0x26: - prefixes |= PREFIX_ES; - break; - case 0x64: - prefixes |= PREFIX_FS; - break; - case 0x65: - prefixes |= PREFIX_GS; - break; - case 0x66: - prefixes |= PREFIX_DATA; - break; - case 0x67: - prefixes |= PREFIX_ADDR; - break; - case FWAIT_OPCODE: - /* fwait is really an instruction. If there are prefixes - before the fwait, they belong to the fwait, *not* to the - following instruction. */ - if (prefixes) - { - prefixes |= PREFIX_FWAIT; - codep++; - return; - } - prefixes = PREFIX_FWAIT; - break; - default: - return; - } - /* Rex is ignored when followed by another prefix. */ - if (rex) - { - oappend (prefix_name (rex, 0)); - oappend (" "); - } - rex = newrex; - codep++; - } -} - -/* 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; - } -} - -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; - -/* - * On the 386's of 1988, the maximum length of an instruction is 15 bytes. - * (see topic "Redundant prefixes" in the "Differences from 8086" - * section of the "Virtual 8086 Mode" chapter.) - * 'pc' should be the address of this instruction, it will - * be used to print the target address if this is a relative jump or call - * The function returns the length of this instruction in bytes. - */ - -static char intel_syntax; -static char open_char; -static char close_char; -static char separator_char; -static char scale_char; - -/* Here for backwards compatibility. When gdb stops using - print_insn_i386_att and print_insn_i386_intel these functions can - disappear, and print_insn_i386 be merged into print_insn. */ -int -print_insn_i386_att (pc, info) - bfd_vma pc; - disassemble_info *info; -{ - intel_syntax = 0; - - return print_insn (pc, info); -} - -int -print_insn_i386_intel (pc, info) - bfd_vma pc; - disassemble_info *info; -{ - intel_syntax = 1; - - return print_insn (pc, info); -} - -int -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) - bfd_vma pc; - disassemble_info *info; -{ - const struct dis386 *dp; - int i; - int two_source_ops; - char *first, *second, *third; - int needcomma; - unsigned char uses_SSE_prefix; - int sizeflag; - const char *p; - struct dis_private priv; - - 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; - - 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; - 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; - ckprefix (); - - insn_codep = codep; - sizeflag = priv.orig_sizeflag; - - FETCH_DATA (info, codep + 1); - two_source_ops = (*codep == 0x62) || (*codep == 0xc8); - - if ((prefixes & PREFIX_FWAIT) - && ((*codep < 0xd8) || (*codep > 0xdf))) - { - 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; - } - - if (*codep == 0x0f) - { - FETCH_DATA (info, codep + 2); - dp = &dis386_twobyte[*++codep]; - need_modrm = twobyte_has_modrm[*codep]; - uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep]; - } - else - { - dp = &dis386[*codep]; - need_modrm = onebyte_has_modrm[*codep]; - uses_SSE_prefix = 0; - } - codep++; - - 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; - } - } - - 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) - { - dofloat (sizeflag); - } - else - { - int index; - if (dp->name == NULL) - { - 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); - } - - obufp = obuf + strlen (obuf); - for (i = strlen (obuf); i < 6; i++) - oappend (" "); - oappend (" "); - (*info->fprintf_func) (info->stream, "%s", obuf); - - /* The enter and bound instructions are printed with operands in the same - order as the intel book; everything else is printed in reverse order. */ - if (intel_syntax || two_source_ops) - { - 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) - { - if (op_index[0] != -1 && !op_riprel[0]) - (*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info); - else - (*info->fprintf_func) (info->stream, "%s", first); - needcomma = 1; - } - if (*second) - { - if (needcomma) - (*info->fprintf_func) (info->stream, ","); - if (op_index[1] != -1 && !op_riprel[1]) - (*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info); - else - (*info->fprintf_func) (info->stream, "%s", second); - needcomma = 1; - } - if (*third) - { - if (needcomma) - (*info->fprintf_func) (info->stream, ","); - if (op_index[2] != -1 && !op_riprel[2]) - (*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info); - else - (*info->fprintf_func) (info->stream, "%s", third); - } - 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; -} - -static const char *float_mem[] = { - /* d8 */ - "fadd{s||s|}", - "fmul{s||s|}", - "fcom{s||s|}", - "fcomp{s||s|}", - "fsub{s||s|}", - "fsubr{s||s|}", - "fdiv{s||s|}", - "fdivr{s||s|}", - /* d9 */ - "fld{s||s|}", - "(bad)", - "fst{s||s|}", - "fstp{s||s|}", - "fldenv", - "fldcw", - "fNstenv", - "fNstcw", - /* da */ - "fiadd{l||l|}", - "fimul{l||l|}", - "ficom{l||l|}", - "ficomp{l||l|}", - "fisub{l||l|}", - "fisubr{l||l|}", - "fidiv{l||l|}", - "fidivr{l||l|}", - /* db */ - "fild{l||l|}", - "(bad)", - "fist{l||l|}", - "fistp{l||l|}", - "(bad)", - "fld{t||t|}", - "(bad)", - "fstp{t||t|}", - /* dc */ - "fadd{l||l|}", - "fmul{l||l|}", - "fcom{l||l|}", - "fcomp{l||l|}", - "fsub{l||l|}", - "fsubr{l||l|}", - "fdiv{l||l|}", - "fdivr{l||l|}", - /* dd */ - "fld{l||l|}", - "(bad)", - "fst{l||l|}", - "fstp{l||l|}", - "frstor", - "(bad)", - "fNsave", - "fNstsw", - /* de */ - "fiadd", - "fimul", - "ficom", - "ficomp", - "fisub", - "fisubr", - "fidiv", - "fidivr", - /* df */ - "fild", - "(bad)", - "fist", - "fistp", - "fbld", - "fild{ll||ll|}", - "fbstp", - "fistpll", -}; - -#define ST OP_ST, 0 -#define STi OP_STi, 0 - -#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] = { - /* d8 */ - { - { "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 }, - }, - /* d9 */ - { - { "fld", STi, XX, XX }, - { "fxch", STi, XX, XX }, - { FGRPd9_2 }, - { "(bad)", XX, XX, XX }, - { FGRPd9_4 }, - { FGRPd9_5 }, - { FGRPd9_6 }, - { FGRPd9_7 }, - }, - /* da */ - { - { "fcmovb", ST, STi, XX }, - { "fcmove", ST, STi, XX }, - { "fcmovbe",ST, STi, XX }, - { "fcmovu", ST, STi, XX }, - { "(bad)", XX, XX, XX }, - { FGRPda_5 }, - { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, - }, - /* db */ - { - { "fcmovnb",ST, STi, XX }, - { "fcmovne",ST, STi, XX }, - { "fcmovnbe",ST, STi, XX }, - { "fcmovnu",ST, STi, XX }, - { FGRPdb_4 }, - { "fucomi", ST, STi, XX }, - { "fcomi", ST, STi, XX }, - { "(bad)", XX, XX, XX }, - }, - /* dc */ - { - { "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 - }, - /* dd */ - { - { "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 }, - }, - /* de */ - { - { "faddp", STi, ST, XX }, - { "fmulp", STi, ST, XX }, - { "(bad)", XX, XX, XX }, - { FGRPde_3 }, -#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 - }, - /* df */ - { - { "ffreep", STi, XX, XX }, - { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, - { "(bad)", XX, XX, XX }, - { FGRPdf_4 }, - { "fucomip",ST, STi, XX }, - { "fcomip", ST, STi, XX }, - { "(bad)", XX, XX, XX }, - }, -}; - -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 -dofloat (sizeflag) - int sizeflag; -{ - const struct dis386 *dp; - unsigned char floatop; - - floatop = codep[-1]; - - if (mod != 3) - { - putop (float_mem[(floatop - 0xd8) * 8 + reg], sizeflag); - obufp = op1out; - if (floatop == 0xdb) - OP_E (x_mode, sizeflag); - else if (floatop == 0xdd) - OP_E (d_mode, sizeflag); - else - OP_E (v_mode, sizeflag); - return; - } - /* Skip mod/rm byte. */ - MODRM_CHECK; - codep++; - - dp = &float_reg[floatop - 0xd8][reg]; - if (dp->name == NULL) - { - putop (fgrps[dp->bytemode1][rm], sizeflag); - - /* Instruction fnstsw is only one with strange arg. */ - if (floatop == 0xdf && codep[-1] == 0xe0) - strcpy (op1out, names16[0]); - } - else - { - putop (dp->name, sizeflag); - - obufp = op1out; - if (dp->op1) - (*dp->op1) (dp->bytemode1, sizeflag); - obufp = op2out; - if (dp->op2) - (*dp->op2) (dp->bytemode2, sizeflag); - } -} - -static void -OP_ST (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - oappend ("%st"); -} - -static void -OP_STi (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - sprintf (scratchbuf, "%%st(%d)", rm); - oappend (scratchbuf + intel_syntax); -} - -/* Capital letters in template are macros. */ -static int -putop (template, sizeflag) - const char *template; - int sizeflag; -{ - const char *p; - int alt; - - for (p = template; *p; p++) - { - switch (*p) - { - default: - *obufp++ = *p; - break; - 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'; - break; - case 'N': - if ((prefixes & PREFIX_FWAIT) == 0) - *obufp++ = 'n'; - 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); - break; - case 'S': - 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'; - else - *obufp++ = 's'; - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case 'Y': - if (intel_syntax) - break; - if (rex & REX_MODE64) - { - USED_REX (REX_MODE64); - *obufp++ = 'q'; - } - break; - /* implicit operand size 'l' for i386 or 'q' for x86-64 */ - case 'W': - /* operand size flag for cwtl, cbtw */ - USED_REX (0); - if (rex) - *obufp++ = 'l'; - else if (sizeflag & DFLAG) - *obufp++ = 'w'; - else - *obufp++ = 'b'; - 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); - break; - } - } - *obufp = 0; - return 0; -} - -static void -oappend (s) - const char *s; -{ - strcpy (obufp, s); - obufp += strlen (s); -} - -static void -append_seg () -{ - if (prefixes & PREFIX_CS) - { - used_prefixes |= PREFIX_CS; - oappend ("%cs:" + intel_syntax); - } - if (prefixes & PREFIX_DS) - { - used_prefixes |= PREFIX_DS; - oappend ("%ds:" + intel_syntax); - } - if (prefixes & PREFIX_SS) - { - used_prefixes |= PREFIX_SS; - oappend ("%ss:" + intel_syntax); - } - if (prefixes & PREFIX_ES) - { - used_prefixes |= PREFIX_ES; - oappend ("%es:" + intel_syntax); - } - if (prefixes & PREFIX_FS) - { - used_prefixes |= PREFIX_FS; - oappend ("%fs:" + intel_syntax); - } - if (prefixes & PREFIX_GS) - { - used_prefixes |= PREFIX_GS; - oappend ("%gs:" + intel_syntax); - } -} - -static void -OP_indirE (bytemode, sizeflag) - int bytemode; - int sizeflag; -{ - if (!intel_syntax) - oappend ("*"); - OP_E (bytemode, sizeflag); -} - -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) - int bytemode; - int sizeflag; -{ - bfd_vma disp; - int add = 0; - int riprel = 0; - USED_REX (REX_EXTZ); - if (rex & REX_EXTZ) - add += 8; - - /* Skip mod/rm byte. */ - MODRM_CHECK; - codep++; - - if (mod == 3) - { - switch (bytemode) - { - case b_mode: - USED_REX (0); - if (rex) - oappend (names8rex[rm + add]); - else - oappend (names8[rm + add]); - break; - case w_mode: - 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]); - break; - case v_mode: - USED_REX (REX_MODE64); - if (rex & REX_MODE64) - oappend (names64[rm + add]); - else if (sizeflag & DFLAG) - oappend (names32[rm + add]); - else - 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 */ - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - break; - } - return; - } - - disp = 0; - append_seg (); - - if ((sizeflag & AFLAG) || mode_64bit) /* 32 bit address mode */ - { - 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; - USED_REX (REX_EXTY); - USED_REX (REX_EXTZ); - if (rex & REX_EXTY) - index += 8; - if (rex & REX_EXTZ) - base += 8; - codep++; - } - - switch (mod) - { - case 0: - if ((base & 7) == 5) - { - havebase = 0; - if (mode_64bit && !havesib && (sizeflag & AFLAG)) - riprel = 1; - disp = get32s (); - } - break; - case 1: - FETCH_DATA (the_info, codep + 1); - disp = *codep++; - if ((disp & 0x80) != 0) - disp -= 0x100; - break; - case 2: - disp = get32s (); - break; - } - - 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)"); - } - } - - if (havebase || (havesib && (index != 4 || scale != 0))) - { - 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; - if (havebase) - oappend (mode_64bit && (sizeflag & AFLAG) - ? names64[base] : names32[base]); - if (havesib) - { - if (index != 4) - { - 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]); - oappend (scratchbuf); - } - 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); - } - } - 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'; - } - 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); - } - } - } - else - { /* 16 bit address mode */ - switch (mod) - { - case 0: - if ((rm & 7) == 6) - { - disp = get16 (); - if ((disp & 0x8000) != 0) - disp -= 0x10000; - } - break; - case 1: - FETCH_DATA (the_info, codep + 1); - disp = *codep++; - if ((disp & 0x80) != 0) - disp -= 0x100; - break; - case 2: - disp = get16 (); - if ((disp & 0x8000) != 0) - disp -= 0x10000; - break; - } - - if (!intel_syntax) - if (mod != 0 || (rm & 7) == 6) - { - print_operand_value (scratchbuf, 0, disp); - oappend (scratchbuf); - } - - if (mod != 0 || (rm & 7) != 6) - { - *obufp++ = open_char; - *obufp = '\0'; - oappend (index16[rm + add]); - *obufp++ = close_char; - *obufp = '\0'; - } - } -} - -static void -OP_G (bytemode, sizeflag) - int bytemode; - int sizeflag; -{ - int add = 0; - USED_REX (REX_EXTX); - if (rex & REX_EXTX) - add += 8; - switch (bytemode) - { - case b_mode: - USED_REX (0); - if (rex) - oappend (names8rex[reg + add]); - else - oappend (names8[reg + add]); - break; - case w_mode: - oappend (names16[reg + add]); - break; - case d_mode: - oappend (names32[reg + add]); - break; - case q_mode: - oappend (names64[reg + add]); - break; - case v_mode: - USED_REX (REX_MODE64); - if (rex & REX_MODE64) - oappend (names64[reg + add]); - else if (sizeflag & DFLAG) - oappend (names32[reg + add]); - else - oappend (names16[reg + add]); - used_prefixes |= (prefixes & PREFIX_DATA); - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - break; - } -} - -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 -get32 () -{ - bfd_signed_vma x = 0; - - FETCH_DATA (the_info, codep + 4); - x = *codep++ & (bfd_signed_vma) 0xff; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; - return x; -} - -static bfd_signed_vma -get32s () -{ - bfd_signed_vma x = 0; - - FETCH_DATA (the_info, codep + 4); - x = *codep++ & (bfd_signed_vma) 0xff; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; - x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; - - x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31); - - return x; -} - -static int -get16 () -{ - int x = 0; - - FETCH_DATA (the_info, codep + 2); - x = *codep++ & 0xff; - x |= (*codep++ & 0xff) << 8; - return x; -} - -static void -set_op (op, riprel) - bfd_vma op; - int riprel; -{ - op_index[op_ad] = op_ad; - 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; - } -} - -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) - int code; - int sizeflag; -{ - const char *s; - - switch (code) - { - case indir_dx_reg: - if (intel_syntax) - s = "[dx]"; - else - s = "(%dx)"; - break; - case ax_reg: case cx_reg: case dx_reg: case bx_reg: - case sp_reg: case bp_reg: case si_reg: case di_reg: - s = names16[code - ax_reg]; - break; - case es_reg: case ss_reg: case cs_reg: - case ds_reg: case fs_reg: case gs_reg: - s = names_seg[code - es_reg]; - break; - case al_reg: case ah_reg: case cl_reg: case ch_reg: - case dl_reg: case dh_reg: case bl_reg: case bh_reg: - USED_REX (0); - if (rex) - s = names8rex[code - al_reg]; - else - s = names8[code - al_reg]; - break; - case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: - case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: - USED_REX (REX_MODE64); - if (rex & REX_MODE64) - s = names64[code - eAX_reg]; - else if (sizeflag & DFLAG) - s = names32[code - eAX_reg]; - else - s = names16[code - eAX_reg]; - used_prefixes |= (prefixes & PREFIX_DATA); - break; - default: - s = INTERNAL_DISASSEMBLER_ERROR; - break; - } - oappend (s); -} - -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] = '$'; - print_operand_value (scratchbuf + 1, 1, op); - oappend (scratchbuf + intel_syntax); - scratchbuf[0] = '\0'; -} - -static void -OP_I64 (bytemode, sizeflag) - int bytemode; - int sizeflag; -{ - bfd_signed_vma op; - bfd_signed_vma mask = -1; - - if (!mode_64bit) - { - OP_I (bytemode, sizeflag); - return; - } - - switch (bytemode) - { - case b_mode: - FETCH_DATA (the_info, codep + 1); - op = *codep++; - mask = 0xff; - break; - case v_mode: - USED_REX (REX_MODE64); - if (rex & REX_MODE64) - op = get64 (); - else if (sizeflag & DFLAG) - { - op = get32 (); - mask = 0xffffffff; - } - else - { - op = get16 (); - mask = 0xfffff; - } - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case w_mode: - mask = 0xfffff; - op = get16 (); - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - return; - } - - op &= mask; - scratchbuf[0] = '$'; - print_operand_value (scratchbuf + 1, 1, op); - oappend (scratchbuf + intel_syntax); - scratchbuf[0] = '\0'; -} - -static void -OP_sI (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++; - if ((op & 0x80) != 0) - op -= 0x100; - mask = 0xffffffff; - break; - case v_mode: - USED_REX (REX_MODE64); - if (rex & REX_MODE64) - op = get32s (); - else if (sizeflag & DFLAG) - { - op = get32s (); - mask = 0xffffffff; - } - else - { - mask = 0xffffffff; - op = get16 (); - if ((op & 0x8000) != 0) - op -= 0x10000; - } - used_prefixes |= (prefixes & PREFIX_DATA); - break; - case w_mode: - op = get16 (); - mask = 0xffffffff; - if ((op & 0x8000) != 0) - op -= 0x10000; - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - return; - } - - scratchbuf[0] = '$'; - print_operand_value (scratchbuf + 1, 1, op); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_J (bytemode, sizeflag) - int bytemode; - int sizeflag; -{ - bfd_vma disp; - bfd_vma mask = -1; - - switch (bytemode) - { - case b_mode: - FETCH_DATA (the_info, codep + 1); - disp = *codep++; - if ((disp & 0x80) != 0) - disp -= 0x100; - break; - case v_mode: - if (sizeflag & DFLAG) - disp = get32s (); - else - { - disp = get16 (); - /* For some reason, a data16 prefix on a jump instruction - means that the pc is masked to 16 bits after the - displacement is added! */ - mask = 0xffff; - } - break; - default: - oappend (INTERNAL_DISASSEMBLER_ERROR); - return; - } - disp = (start_pc + codep - start_codep + disp) & mask; - set_op (disp, 0); - print_operand_value (scratchbuf, 1, disp); - oappend (scratchbuf); -} - -static void -OP_SEG (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - oappend (names_seg[reg]); -} - -static void -OP_DIR (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag; -{ - int seg, offset; - - if (sizeflag & DFLAG) - { - offset = get32 (); - seg = get16 (); - } - else - { - offset = get16 (); - seg = get16 (); - } - used_prefixes |= (prefixes & PREFIX_DATA); - if (intel_syntax) - sprintf (scratchbuf, "0x%x,0x%x", seg, offset); - else - sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset); - oappend (scratchbuf); -} - -static void -OP_OFF (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag; -{ - bfd_vma off; - - append_seg (); - - if ((sizeflag & AFLAG) || mode_64bit) - off = get32 (); - else - off = get16 (); - - if (intel_syntax) - { - if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS - | PREFIX_ES | PREFIX_FS | PREFIX_GS))) - { - oappend (names_seg[ds_reg - es_reg]); - oappend (":"); - } - } - print_operand_value (scratchbuf, 1, off); - oappend (scratchbuf); -} - -static void -OP_OFF64 (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - 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); -} - -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; -{ - if ((prefixes - & (PREFIX_CS - | PREFIX_DS - | PREFIX_SS - | PREFIX_ES - | PREFIX_FS - | PREFIX_GS)) == 0) - prefixes |= PREFIX_DS; - append_seg (); - ptr_reg (code, sizeflag); -} - -static void -OP_C (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - int add = 0; - USED_REX (REX_EXTX); - if (rex & REX_EXTX) - add = 8; - sprintf (scratchbuf, "%%cr%d", reg + add); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_D (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - 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); - oappend (scratchbuf); -} - -static void -OP_T (dummy, sizeflag) - int dummy ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - sprintf (scratchbuf, "%%tr%d", reg); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_Rd (bytemode, sizeflag) - int bytemode; - int sizeflag; -{ - if (mod == 3) - OP_E (bytemode, sizeflag); - else - BadOp (); -} - -static void -OP_MMX (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - 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); -} - -static void -OP_XMM (bytemode, sizeflag) - int bytemode ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - int add = 0; - USED_REX (REX_EXTX); - if (rex & REX_EXTX) - add = 8; - sprintf (scratchbuf, "%%xmm%d", reg + add); - oappend (scratchbuf + intel_syntax); -} - -static void -OP_EM (bytemode, sizeflag) - int bytemode; - int sizeflag; -{ - 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++; - 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); -} - -static void -OP_EX (bytemode, sizeflag) - int bytemode; - int sizeflag; -{ - 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 ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - const char *mnemonic; - - FETCH_DATA (the_info, codep + 1); - /* AMD 3DNow! instructions are specified by an opcode suffix in the - place where an 8-bit immediate would normally go. ie. the last - byte of the instruction. */ - obufp = obuf + strlen (obuf); - mnemonic = Suffix3DNow[*codep++ & 0xff]; - if (mnemonic) - oappend (mnemonic); - else - { - /* Since a variable sized modrm/sib chunk is between the start - of the opcode (0x0f0f) and the opcode suffix, we need to do - all the modrm processing first, and don't know until now that - we have a bad opcode. This necessitates some cleaning up. */ - 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 ATTRIBUTE_UNUSED; - int sizeflag ATTRIBUTE_UNUSED; -{ - unsigned int cmp_type; - - FETCH_DATA (the_info, codep + 1); - obufp = obuf + strlen (obuf); - cmp_type = *codep++ & 0xff; - if (cmp_type < 8) - { - char suffix1 = 'p', suffix2 = 's'; - used_prefixes |= (prefixes & PREFIX_REPZ); - if (prefixes & PREFIX_REPZ) - suffix1 = 's'; - else - { - used_prefixes |= (prefixes & PREFIX_DATA); - if (prefixes & PREFIX_DATA) - suffix2 = 'd'; - else - { - used_prefixes |= (prefixes & PREFIX_REPNZ); - if (prefixes & PREFIX_REPNZ) - suffix1 = 's', suffix2 = 'd'; - } - } - 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 ATTRIBUTE_UNUSED; -{ - /* 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)"); -} |