/* Print i386 instructions for GDB, the GNU debugger.
Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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)
- * VIA PadLock support by Michal Ludvig (mludvig@suse.cz)
- */
+/* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
+ July 1988
+ modified by John Hassey (hassey@dg-rtp.dg.com)
+ x86-64 support added by Jan Hubicka (jh@suse.cz)
+ VIA PadLock support by Michal Ludvig (mludvig@suse.cz). */
-/*
- * The main tables describing the instructions is essentially a copy
- * of the "Opcode Map" chapter (Appendix A) of the Intel 80386
- * Programmers Manual. Usually, there is a capital letter, followed
- * by a small letter. The capital letter tell the addressing mode,
- * and the small letter tells about the operand size. Refer to
- * the Intel manual for details.
- */
+/* 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"
static void OP_MS (int, int);
static void OP_XS (int, int);
static void OP_M (int, int);
+static void OP_VMX (int, int);
static void OP_0fae (int, int);
static void OP_0f07 (int, int);
static void NOP_Fixup (int, int);
static void OP_SIMD_Suffix (int, int);
static void SIMD_Fixup (int, int);
static void PNI_Fixup (int, int);
+static void SVME_Fixup (int, int);
static void INVLPG_Fixup (int, int);
static void BadOp (void);
+static void SEG_Fixup (int, int);
+static void VMX_Fixup (int, int);
struct dis_private {
/* Points to first byte not fetched. */
#define Eb OP_E, b_mode
#define Ev OP_E, v_mode
#define Ed OP_E, d_mode
+#define Eq OP_E, q_mode
#define Edq OP_E, dq_mode
-#define indirEb OP_indirE, b_mode
-#define indirEv OP_indirE, v_mode
+#define Edqw OP_E, dqw_mode
+#define indirEv OP_indirE, stack_v_mode
+#define indirEp OP_indirE, f_mode
+#define stackEv OP_E, stack_v_mode
+#define Em OP_E, m_mode
#define Ew OP_E, w_mode
#define Ma OP_E, v_mode
#define M OP_M, 0 /* lea, lgdt, etc. */
-#define Mp OP_M, 0 /* 32 or 48 bit memory operand for LDS, LES etc */
+#define Mp OP_M, f_mode /* 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 Gdq OP_G, dq_mode
+#define Gm OP_G, m_mode
#define Gw OP_G, w_mode
#define Rd OP_Rd, d_mode
#define Rm OP_Rd, m_mode
#define Iq OP_I, q_mode
#define Iv64 OP_I64, v_mode
#define Iw OP_I, w_mode
+#define I1 OP_I, const_1_mode
#define Jb OP_J, b_mode
#define Jv OP_J, v_mode
#define Cm OP_C, m_mode
#define Dm OP_D, m_mode
#define Td OP_T, d_mode
+#define Sv SEG_Fixup, v_mode
#define RMeAX OP_REG, eAX_reg
#define RMeBX OP_REG, eBX_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 Ob OP_OFF64, b_mode
+#define Ov OP_OFF64, v_mode
#define Xb OP_DSreg, eSI_reg
#define Xv OP_DSreg, eSI_reg
#define Yb OP_ESreg, eDI_reg
#define EX OP_EX, v_mode
#define MS OP_MS, v_mode
#define XS OP_XS, v_mode
+#define VM OP_VMX, q_mode
#define OPSUF OP_3DNowSuffix, 0
#define OPSIMD OP_SIMD_Suffix, 0
#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 dq_mode 10 /* operand size depends on REX prefixes. */
+#define t_mode 6 /* ten-byte operand */
+#define x_mode 7 /* 16-byte XMM operand */
+#define m_mode 8 /* d_mode in 32bit, q_mode in 64bit mode. */
+#define cond_jump_mode 9
+#define loop_jcxz_mode 10
+#define dq_mode 11 /* operand size depends on REX prefixes. */
+#define dqw_mode 12 /* registers like dq_mode, memory like w_mode. */
+#define f_mode 13 /* 4- or 6-byte pointer operand */
+#define const_1_mode 14
+#define stack_v_mode 15 /* v_mode for stack-related opcodes. */
#define es_reg 100
#define cs_reg 101
#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 GRPPLOCK NULL, NULL, USE_GROUPS, NULL, 23, NULL, 0
-#define GRPPADLCK NULL, NULL, USE_GROUPS, NULL, 24, NULL, 0
+#define GRPPADLCK1 NULL, NULL, USE_GROUPS, NULL, 23, NULL, 0
+#define GRPPADLCK2 NULL, NULL, USE_GROUPS, NULL, 24, 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
/* Upper case letters in the instruction names here are macros.
'A' => print 'b' if no register operands or suffix_always is true
'B' => print 'b' if suffix_always is true
+ 'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand
+ . size prefix
'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
+ 'I' => honor following macro letter even in Intel mode (implemented only
+ . for some of the macro letters)
+ 'J' => print 'l'
'L' => print 'l' if suffix_always is true
'N' => print 'n' if instruction has no wait "prefix"
'O' => print 'd', or 'o'
'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)
+ 'V' => print 'q' in 64bit mode and behave as 'S' otherwise
'W' => print 'b' or 'w' ("w" or "de" in intel mode)
+ 'X' => print 's', 'd' depending on data16 prefix (for XMM)
'Y' => 'q' if instruction has an REX 64bit overwrite prefix
Many of the above letters print nothing in Intel mode. See "putop"
{ "adcB", AL, Ib, XX },
{ "adcS", eAX, Iv, XX },
{ "push{T|}", ss, XX, XX },
- { "popT|}", ss, XX, XX },
+ { "pop{T|}", ss, XX, XX },
/* 18 */
{ "sbbB", Eb, Gb, XX },
{ "sbbS", Ev, Gv, 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 },
+ { "pushV", RMrAX, XX, XX },
+ { "pushV", RMrCX, XX, XX },
+ { "pushV", RMrDX, XX, XX },
+ { "pushV", RMrBX, XX, XX },
+ { "pushV", RMrSP, XX, XX },
+ { "pushV", RMrBP, XX, XX },
+ { "pushV", RMrSI, XX, XX },
+ { "pushV", 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 },
+ { "popV", RMrAX, XX, XX },
+ { "popV", RMrCX, XX, XX },
+ { "popV", RMrDX, XX, XX },
+ { "popV", RMrBX, XX, XX },
+ { "popV", RMrSP, XX, XX },
+ { "popV", RMrBP, XX, XX },
+ { "popV", RMrSI, XX, XX },
+ { "popV", RMrDI, XX, XX },
/* 60 */
{ "pusha{P|}", XX, XX, XX },
{ "popa{P|}", XX, XX, XX },
{ "movS", Ev, Gv, XX },
{ "movB", Gb, Eb, XX },
{ "movS", Gv, Ev, XX },
- { "movQ", Ev, Sw, XX },
+ { "movQ", Sv, Sw, XX },
{ "leaS", Gv, M, XX },
- { "movQ", Sw, Ev, XX },
- { "popU", Ev, XX, XX },
+ { "movQ", Sw, Sv, XX },
+ { "popU", stackEv, XX, XX },
/* 90 */
{ "nop", NOP_Fixup, 0, XX, XX },
{ "xchgS", RMeCX, eAX, XX },
/* 98 */
{ "cW{tR||tR|}", XX, XX, XX },
{ "cR{tO||tO|}", XX, XX, XX },
- { "lcall{T|}", Ap, XX, XX },
+ { "Jcall{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 },
+ { "movB", AL, Ob, XX },
+ { "movS", eAX, Ov, XX },
+ { "movB", Ob, AL, XX },
+ { "movS", Ov, eAX, XX },
{ "movs{b||b|}", Yb, Xb, XX },
{ "movs{R||R|}", Yv, Xv, XX },
{ "cmps{b||b|}", Xb, Yb, XX },
/* e8 */
{ "callT", Jv, XX, XX },
{ "jmpT", Jv, XX, XX },
- { "ljmp{T|}", Ap, XX, XX },
+ { "Jjmp{T|}", Ap, XX, XX },
{ "jmp", Jb, XX, XX },
{ "inB", AL, indirDX, XX },
{ "inS", eAX, indirDX, XX },
{ "cmovle", Gv, Ev, XX },
{ "cmovg", Gv, Ev, XX },
/* 50 */
- { "movmskpX", Gd, XS, XX },
+ { "movmskpX", Gdq, XS, XX },
{ PREGRP13 },
{ PREGRP12 },
{ PREGRP11 },
{ "pcmpeqd", MX, EM, XX },
{ "emms", XX, XX, XX },
/* 78 */
- { "(bad)", XX, XX, XX },
- { "(bad)", XX, XX, XX },
+ { "vmread", Em, Gm, XX },
+ { "vmwrite", Gm, Em, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ PREGRP28 },
{ "btS", Ev, Gv, XX },
{ "shldS", Ev, Gv, Ib },
{ "shldS", Ev, Gv, CL },
- { "(bad)", XX, XX, XX },
- { GRPPADLCK },
+ { GRPPADLCK2 },
+ { GRPPADLCK1 },
/* a8 */
{ "pushT", gs, XX, XX },
{ "popT", gs, XX, XX },
{ "xaddS", Ev, Gv, XX },
{ PREGRP1 },
{ "movntiS", Ev, Gv, XX },
- { "pinsrw", MX, Ed, Ib },
- { "pextrw", Gd, MS, Ib },
+ { "pinsrw", MX, Edqw, Ib },
+ { "pextrw", Gdq, MS, Ib },
{ "shufpX", XM, EX, Ib },
{ GRP9 },
/* c8 */
{ "paddq", MX, EM, XX },
{ "pmullw", MX, EM, XX },
{ PREGRP21 },
- { "pmovmskb", Gd, MS, XX },
+ { "pmovmskb", Gdq, MS, XX },
/* d8 */
{ "psubusb", MX, EM, XX },
{ "psubusw", MX, EM, XX },
/* 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 */ 1,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1, /* 7f */
+ /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */
/* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
/* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */
- /* a0 */ 0,0,0,1,1,1,0,1,0,0,0,1,1,1,1,1, /* af */
+ /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */
/* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */
/* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
/* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
},
/* 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 },
+ { "rolA", Eb, I1, XX },
+ { "rorA", Eb, I1, XX },
+ { "rclA", Eb, I1, XX },
+ { "rcrA", Eb, I1, XX },
+ { "shlA", Eb, I1, XX },
+ { "shrA", Eb, I1, XX },
{ "(bad)", XX, XX, XX },
- { "sarA", Eb, XX, XX },
+ { "sarA", Eb, I1, 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 },
+ { "rolQ", Ev, I1, XX },
+ { "rorQ", Ev, I1, XX },
+ { "rclQ", Ev, I1, XX },
+ { "rcrQ", Ev, I1, XX },
+ { "shlQ", Ev, I1, XX },
+ { "shrQ", Ev, I1, XX },
{ "(bad)", XX, XX, XX},
- { "sarQ", Ev, XX, XX },
+ { "sarQ", Ev, I1, XX },
},
/* GRP2b_cl */
{
{ "incQ", Ev, XX, XX },
{ "decQ", Ev, XX, XX },
{ "callT", indirEv, XX, XX },
- { "lcallT", indirEv, XX, XX },
+ { "JcallT", indirEp, XX, XX },
{ "jmpT", indirEv, XX, XX },
- { "ljmpT", indirEv, XX, XX },
- { "pushU", Ev, XX, XX },
+ { "JjmpT", indirEp, XX, XX },
+ { "pushU", stackEv, XX, XX },
{ "(bad)", XX, XX, XX },
},
/* GRP6 */
},
/* GRP7 */
{
- { "sgdtQ", M, XX, XX },
- { "sidtQ", PNI_Fixup, 0, XX, XX },
- { "lgdtQ", M, XX, XX },
- { "lidtQ", M, XX, XX },
+ { "sgdtIQ", VMX_Fixup, 0, XX, XX },
+ { "sidtIQ", PNI_Fixup, 0, XX, XX },
+ { "lgdt{Q|Q||}", M, XX, XX },
+ { "lidt{Q|Q||}", SVME_Fixup, 0, XX, XX },
{ "smswQ", Ev, XX, XX },
{ "(bad)", XX, XX, XX },
{ "lmsw", Ew, XX, XX },
/* GRP9 */
{
{ "(bad)", XX, XX, XX },
- { "cmpxchg8b", Ev, XX, XX },
- { "(bad)", XX, XX, XX },
- { "(bad)", XX, XX, XX },
+ { "cmpxchg8b", Eq, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
+ { "", VM, XX, XX }, /* See OP_VMX. */
+ { "vmptrst", Eq, XX, XX },
},
/* GRP10 */
{
{ "(bad)", XX, XX, XX },
{ "(bad)", XX, XX, XX },
},
- /* GRPPLOCK */
+ /* GRPPADLCK1 */
{
- { "xstore", XX, XX, XX },
- { "xcryptecb", XX, XX, XX },
- { "xcryptcbc", XX, XX, XX },
- { "(bad)", XX, XX, XX },
- { "xcryptcfb", XX, XX, XX },
- { "xcryptofb", XX, XX, XX },
- { "(bad)", XX, XX, XX },
- { "(bad)", XX, XX, XX },
+ { "xstore-rng", OP_0f07, 0, XX, XX },
+ { "xcrypt-ecb", OP_0f07, 0, XX, XX },
+ { "xcrypt-cbc", OP_0f07, 0, XX, XX },
+ { "xcrypt-ctr", OP_0f07, 0, XX, XX },
+ { "xcrypt-cfb", OP_0f07, 0, XX, XX },
+ { "xcrypt-ofb", OP_0f07, 0, XX, XX },
+ { "(bad)", OP_0f07, 0, XX, XX },
+ { "(bad)", OP_0f07, 0, XX, XX },
},
- /* GRPPADLCK */
+ /* GRPPADLCK2 */
{
- { "xstorerng", OP_0f07, 0, XX, XX },
- { "xcryptecb", OP_0f07, 0, XX, XX },
- { "xcryptcbc", OP_0f07, 0, XX, XX },
- { "(bad)", OP_0f07, 0, XX, XX },
- { "xcryptcfb", OP_0f07, 0, XX, XX },
- { "xcryptofb", OP_0f07, 0, XX, XX },
- { "(bad)", OP_0f07, 0, XX, XX },
- { "(bad)", OP_0f07, 0, XX, XX },
+ { "montmul", OP_0f07, 0, XX, XX },
+ { "xsha1", OP_0f07, 0, XX, XX },
+ { "xsha256", OP_0f07, 0, XX, XX },
+ { "(bad)", OP_0f07, 0, XX, XX },
+ { "(bad)", OP_0f07, 0, XX, XX },
+ { "(bad)", OP_0f07, 0, XX, XX },
+ { "(bad)", OP_0f07, 0, XX, XX },
+ { "(bad)", OP_0f07, 0, XX, XX },
}
};
},
/* PREGRP25 */
{
- { "movntq", Ev, MX, XX },
- { "(bad)", Ev, XM, XX },
- { "movntdq", Ev, XM, XX },
- { "(bad)", Ev, XM, XX },
+ { "movntq", EM, MX, XX },
+ { "(bad)", EM, XM, XX },
+ { "movntdq", EM, XM, XX },
+ { "(bad)", EM, XM, XX },
},
/* PREGRP26 */
{
if (mode_64bit)
return (sizeflag & AFLAG) ? "addr32" : "addr64";
else
- return ((sizeflag & AFLAG) && !mode_64bit) ? "addr16" : "addr32";
+ return (sizeflag & AFLAG) ? "addr16" : "addr32";
case FWAIT_OPCODE:
return "fwait";
default:
static char op1out[100], op2out[100], op3out[100];
static int op_ad, op_index[3];
+static int two_source_ops;
static bfd_vma op_address[3];
static bfd_vma op_riprel[3];
static bfd_vma start_pc;
{
const struct dis386 *dp;
int i;
- int two_source_ops;
char *first, *second, *third;
int needcomma;
- unsigned char uses_SSE_prefix;
+ unsigned char uses_SSE_prefix, uses_LOCK_prefix;
int sizeflag;
const char *p;
struct dis_private priv;
dp = &dis386_twobyte[*++codep];
need_modrm = twobyte_has_modrm[*codep];
uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep];
+ uses_LOCK_prefix = (*codep & ~0x02) == 0x20;
}
else
{
dp = &dis386[*codep];
need_modrm = onebyte_has_modrm[*codep];
uses_SSE_prefix = 0;
+ uses_LOCK_prefix = 0;
}
codep++;
oappend ("repnz ");
used_prefixes |= PREFIX_REPNZ;
}
- if (prefixes & PREFIX_LOCK)
+ if (!uses_LOCK_prefix && (prefixes & PREFIX_LOCK))
{
oappend ("lock ");
used_prefixes |= PREFIX_LOCK;
"(bad)",
"fst{s||s|}",
"fstp{s||s|}",
- "fldenv",
+ "fldenvIC",
"fldcw",
- "fNstenv",
+ "fNstenvIC",
"fNstcw",
/* da */
"fiadd{l||l|}",
"fdivr{l||l|}",
/* dd */
"fld{l||l|}",
- "fisttpll",
+ "fisttp{ll||ll|}",
"fst{l||l|}",
"fstp{l||l|}",
- "frstor",
+ "frstorIC",
"(bad)",
- "fNsave",
+ "fNsaveIC",
"fNstsw",
/* de */
"fiadd",
"fbld",
"fild{ll||ll|}",
"fbstp",
- "fistpll",
+ "fistp{ll||ll|}",
+};
+
+static const unsigned char float_mem_mode[] = {
+ /* d8 */
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ /* d9 */
+ d_mode,
+ 0,
+ d_mode,
+ d_mode,
+ 0,
+ w_mode,
+ 0,
+ w_mode,
+ /* da */
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ /* db */
+ d_mode,
+ d_mode,
+ d_mode,
+ d_mode,
+ 0,
+ t_mode,
+ 0,
+ t_mode,
+ /* dc */
+ q_mode,
+ q_mode,
+ q_mode,
+ q_mode,
+ q_mode,
+ q_mode,
+ q_mode,
+ q_mode,
+ /* dd */
+ q_mode,
+ q_mode,
+ q_mode,
+ q_mode,
+ 0,
+ 0,
+ 0,
+ w_mode,
+ /* de */
+ w_mode,
+ w_mode,
+ w_mode,
+ w_mode,
+ w_mode,
+ w_mode,
+ w_mode,
+ w_mode,
+ /* df */
+ w_mode,
+ w_mode,
+ w_mode,
+ w_mode,
+ t_mode,
+ q_mode,
+ t_mode,
+ q_mode
};
#define ST OP_ST, 0
if (mod != 3)
{
- putop (float_mem[(floatop - 0xd8) * 8 + reg], sizeflag);
+ int fp_indx = (floatop - 0xd8) * 8 + reg;
+
+ putop (float_mem[fp_indx], 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);
+ OP_E (float_mem_mode[fp_indx], sizeflag);
return;
}
/* Skip mod/rm byte. */
putop (const char *template, int sizeflag)
{
const char *p;
- int alt;
+ int alt = 0;
for (p = template; *p; p++)
{
}
alt--;
}
- break;
+ /* Fall through. */
+ case 'I':
+ alt = 1;
+ continue;
case '|':
while (*++p != '}')
{
if (sizeflag & SUFFIX_ALWAYS)
*obufp++ = 'b';
break;
+ case 'C':
+ if (intel_syntax && !alt)
+ break;
+ if ((prefixes & PREFIX_DATA) || (sizeflag & SUFFIX_ALWAYS))
+ {
+ if (sizeflag & DFLAG)
+ *obufp++ = intel_syntax ? 'd' : 'l';
+ else
+ *obufp++ = intel_syntax ? 'w' : 's';
+ used_prefixes |= (prefixes & PREFIX_DATA);
+ }
+ break;
case 'E': /* For jcxz/jecxz */
if (mode_64bit)
{
*obufp++ = 'n';
}
break;
+ case 'J':
+ if (intel_syntax)
+ break;
+ *obufp++ = 'l';
+ break;
case 'L':
if (intel_syntax)
break;
case 'T':
if (intel_syntax)
break;
- if (mode_64bit)
+ if (mode_64bit && (sizeflag & DFLAG))
{
*obufp++ = 'q';
break;
*obufp++ = 'l';
else
*obufp++ = 'w';
- used_prefixes |= (prefixes & PREFIX_DATA);
}
+ used_prefixes |= (prefixes & PREFIX_DATA);
}
break;
case 'U':
if (intel_syntax)
break;
- if (mode_64bit)
+ if (mode_64bit && (sizeflag & DFLAG))
{
- *obufp++ = 'q';
+ if (mod != 3 || (sizeflag & SUFFIX_ALWAYS))
+ *obufp++ = 'q';
break;
}
/* Fall through. */
case 'Q':
- if (intel_syntax)
+ if (intel_syntax && !alt)
break;
USED_REX (REX_MODE64);
if (mod != 3 || (sizeflag & SUFFIX_ALWAYS))
else
{
if (sizeflag & DFLAG)
- *obufp++ = 'l';
+ *obufp++ = intel_syntax ? 'd' : 'l';
else
*obufp++ = 'w';
- used_prefixes |= (prefixes & PREFIX_DATA);
}
+ used_prefixes |= (prefixes & PREFIX_DATA);
}
break;
case 'R':
if (!(rex & REX_MODE64))
used_prefixes |= (prefixes & PREFIX_DATA);
break;
+ case 'V':
+ if (intel_syntax)
+ break;
+ if (mode_64bit && (sizeflag & DFLAG))
+ {
+ if (sizeflag & SUFFIX_ALWAYS)
+ *obufp++ = 'q';
+ break;
+ }
+ /* Fall through. */
case 'S':
if (intel_syntax)
break;
used_prefixes |= (prefixes & PREFIX_DATA);
break;
}
+ alt = 0;
}
*obufp = 0;
return 0;
}
}
+static void
+intel_operand_size (int bytemode, int sizeflag)
+{
+ switch (bytemode)
+ {
+ case b_mode:
+ oappend ("BYTE PTR ");
+ break;
+ case w_mode:
+ case dqw_mode:
+ oappend ("WORD PTR ");
+ break;
+ case stack_v_mode:
+ if (mode_64bit && (sizeflag & DFLAG))
+ {
+ oappend ("QWORD PTR ");
+ used_prefixes |= (prefixes & PREFIX_DATA);
+ break;
+ }
+ /* FALLTHRU */
+ case v_mode:
+ case dq_mode:
+ USED_REX (REX_MODE64);
+ if (rex & REX_MODE64)
+ oappend ("QWORD PTR ");
+ else if ((sizeflag & DFLAG) || bytemode == dq_mode)
+ oappend ("DWORD PTR ");
+ else
+ oappend ("WORD PTR ");
+ used_prefixes |= (prefixes & PREFIX_DATA);
+ break;
+ case d_mode:
+ oappend ("DWORD PTR ");
+ break;
+ case q_mode:
+ oappend ("QWORD PTR ");
+ break;
+ case m_mode:
+ if (mode_64bit)
+ oappend ("QWORD PTR ");
+ else
+ oappend ("DWORD PTR ");
+ break;
+ case f_mode:
+ if (sizeflag & DFLAG)
+ oappend ("FWORD PTR ");
+ else
+ oappend ("DWORD PTR ");
+ used_prefixes |= (prefixes & PREFIX_DATA);
+ break;
+ case t_mode:
+ oappend ("TBYTE PTR ");
+ break;
+ case x_mode:
+ oappend ("XMMWORD PTR ");
+ break;
+ default:
+ break;
+ }
+}
+
static void
OP_E (int bytemode, int sizeflag)
{
else
oappend (names32[rm + add]);
break;
+ case stack_v_mode:
+ if (mode_64bit && (sizeflag & DFLAG))
+ {
+ oappend (names64[rm + add]);
+ used_prefixes |= (prefixes & PREFIX_DATA);
+ break;
+ }
+ bytemode = v_mode;
+ /* FALLTHRU */
case v_mode:
case dq_mode:
+ case dqw_mode:
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
oappend (names64[rm + add]);
- else if ((sizeflag & DFLAG) || bytemode == dq_mode)
+ else if ((sizeflag & DFLAG) || bytemode != v_mode)
oappend (names32[rm + add]);
else
oappend (names16[rm + add]);
}
disp = 0;
+ if (intel_syntax)
+ intel_operand_size (bytemode, sizeflag);
append_seg ();
if ((sizeflag & AFLAG) || mode_64bit) /* 32 bit address mode */
{
havesib = 1;
FETCH_DATA (the_info, codep + 1);
- scale = (*codep >> 6) & 3;
index = (*codep >> 3) & 7;
+ if (mode_64bit || index != 0x4)
+ /* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */
+ scale = (*codep >> 6) & 3;
base = *codep & 7;
USED_REX (REX_EXTY);
- USED_REX (REX_EXTZ);
if (rex & REX_EXTY)
index += 8;
- if (rex & REX_EXTZ)
- base += 8;
codep++;
}
+ base += add;
switch (mod)
{
if ((base & 7) == 5)
{
havebase = 0;
- if (mode_64bit && !havesib && (sizeflag & AFLAG))
+ if (mode_64bit && !havesib)
riprel = 1;
disp = get32s ();
}
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 (index != 4)
{
- if (intel_syntax)
+ if (!intel_syntax || havebase)
{
- if (havebase)
- {
- *obufp++ = separator_char;
- *obufp = '\0';
- }
- sprintf (scratchbuf, "%s",
- mode_64bit && (sizeflag & AFLAG)
- ? names64[index] : names32[index]);
+ *obufp++ = separator_char;
+ *obufp = '\0';
}
- else
- sprintf (scratchbuf, ",%s",
- mode_64bit && (sizeflag & AFLAG)
- ? names64[index] : names32[index]);
- oappend (scratchbuf);
+ oappend (mode_64bit && (sizeflag & AFLAG)
+ ? names64[index] : names32[index]);
}
if (scale != 0 || (!intel_syntax && index != 4))
{
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);
- }
- }
+ if (intel_syntax && disp)
+ {
+ if ((bfd_signed_vma) disp > 0)
+ {
+ *obufp++ = '+';
+ *obufp = '\0';
+ }
+ else if (mod != 1)
+ {
+ *obufp++ = '-';
+ *obufp = '\0';
+ disp = - (bfd_signed_vma) disp;
+ }
+
+ print_operand_value (scratchbuf, mod != 1, disp);
+ oappend (scratchbuf);
+ }
*obufp++ = close_char;
*obufp = '\0';
switch (mod)
{
case 0:
- if ((rm & 7) == 6)
+ if (rm == 6)
{
disp = get16 ();
if ((disp & 0x8000) != 0)
}
if (!intel_syntax)
- if (mod != 0 || (rm & 7) == 6)
+ if (mod != 0 || rm == 6)
{
print_operand_value (scratchbuf, 0, disp);
oappend (scratchbuf);
}
- if (mod != 0 || (rm & 7) != 6)
+ if (mod != 0 || rm != 6)
{
*obufp++ = open_char;
*obufp = '\0';
- oappend (index16[rm + add]);
+ oappend (index16[rm]);
+ if (intel_syntax && disp)
+ {
+ if ((bfd_signed_vma) disp > 0)
+ {
+ *obufp++ = '+';
+ *obufp = '\0';
+ }
+ else if (mod != 1)
+ {
+ *obufp++ = '-';
+ *obufp = '\0';
+ disp = - (bfd_signed_vma) disp;
+ }
+
+ print_operand_value (scratchbuf, mod != 1, disp);
+ oappend (scratchbuf);
+ }
+
*obufp++ = close_char;
*obufp = '\0';
}
+ else if (intel_syntax)
+ {
+ if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
+ | PREFIX_ES | PREFIX_FS | PREFIX_GS))
+ ;
+ else
+ {
+ oappend (names_seg[ds_reg - es_reg]);
+ oappend (":");
+ }
+ print_operand_value (scratchbuf, 1, disp & 0xffff);
+ oappend (scratchbuf);
+ }
}
}
oappend (names64[reg + add]);
break;
case v_mode:
+ case dq_mode:
+ case dqw_mode:
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
oappend (names64[reg + add]);
- else if (sizeflag & DFLAG)
+ else if ((sizeflag & DFLAG) || bytemode != v_mode)
oappend (names32[reg + add]);
else
oappend (names16[reg + add]);
used_prefixes |= (prefixes & PREFIX_DATA);
break;
+ case m_mode:
+ if (mode_64bit)
+ oappend (names64[reg + add]);
+ else
+ oappend (names32[reg + add]);
+ break;
default:
oappend (INTERNAL_DISASSEMBLER_ERROR);
break;
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)
+ if (mode_64bit && (sizeflag & DFLAG))
{
s = names64[code - rAX_reg + add];
break;
mask = 0xfffff;
op = get16 ();
break;
+ case const_1_mode:
+ if (intel_syntax)
+ oappend ("1");
+ return;
default:
oappend (INTERNAL_DISASSEMBLER_ERROR);
return;
disp -= 0x100;
break;
case v_mode:
- if (sizeflag & DFLAG)
+ if ((sizeflag & DFLAG) || (rex & REX_MODE64))
disp = get32s ();
else
{
}
used_prefixes |= (prefixes & PREFIX_DATA);
if (intel_syntax)
- sprintf (scratchbuf, "0x%x,0x%x", seg, offset);
+ sprintf (scratchbuf, "0x%x:0x%x", seg, offset);
else
sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset);
oappend (scratchbuf);
}
static void
-OP_OFF (int bytemode ATTRIBUTE_UNUSED, int sizeflag)
+OP_OFF (int bytemode, int sizeflag)
{
bfd_vma off;
+ if (intel_syntax && (sizeflag & SUFFIX_ALWAYS))
+ intel_operand_size (bytemode, sizeflag);
append_seg ();
if ((sizeflag & AFLAG) || mode_64bit)
}
static void
-OP_OFF64 (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
+OP_OFF64 (int bytemode, int sizeflag)
{
bfd_vma off;
return;
}
+ if (intel_syntax && (sizeflag & SUFFIX_ALWAYS))
+ intel_operand_size (bytemode, sizeflag);
append_seg ();
off = get64 ();
ptr_reg (int code, int sizeflag)
{
const char *s;
- if (intel_syntax)
- oappend ("[");
- else
- oappend ("(");
- USED_REX (REX_MODE64);
- if (rex & REX_MODE64)
+ *obufp++ = open_char;
+ used_prefixes |= (prefixes & PREFIX_ADDR);
+ if (mode_64bit)
{
if (!(sizeflag & AFLAG))
s = names32[code - eAX_reg];
else
s = names16[code - eAX_reg];
oappend (s);
- if (intel_syntax)
- oappend ("]");
- else
- oappend (")");
+ *obufp++ = close_char;
+ *obufp = 0;
}
static void
OP_ESreg (int code, int sizeflag)
{
+ if (intel_syntax)
+ intel_operand_size (codep[-1] & 1 ? v_mode : b_mode, sizeflag);
oappend ("%es:" + intel_syntax);
ptr_reg (code, sizeflag);
}
static void
OP_DSreg (int code, int sizeflag)
{
+ if (intel_syntax)
+ intel_operand_size (codep[-1] != 0xd7 && (codep[-1] & 1)
+ ? v_mode
+ : b_mode,
+ sizeflag);
if ((prefixes
& (PREFIX_CS
| PREFIX_DS
OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
{
int add = 0;
- USED_REX (REX_EXTX);
if (rex & REX_EXTX)
- add = 8;
+ {
+ USED_REX (REX_EXTX);
+ add = 8;
+ }
+ else if (!mode_64bit && (prefixes & PREFIX_LOCK))
+ {
+ used_prefixes |= PREFIX_LOCK;
+ add = 8;
+ }
sprintf (scratchbuf, "%%cr%d", reg + add);
oappend (scratchbuf + intel_syntax);
}
static void
OP_MMX (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);
+ {
+ int add = 0;
+ USED_REX (REX_EXTX);
+ if (rex & REX_EXTX)
+ add = 8;
+ sprintf (scratchbuf, "%%xmm%d", reg + add);
+ }
else
- sprintf (scratchbuf, "%%mm%d", reg + add);
+ sprintf (scratchbuf, "%%mm%d", reg);
oappend (scratchbuf + intel_syntax);
}
static void
OP_EM (int bytemode, int sizeflag)
{
- int add = 0;
if (mod != 3)
{
+ if (intel_syntax && bytemode == v_mode)
+ {
+ bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode;
+ used_prefixes |= (prefixes & PREFIX_DATA);
+ }
OP_E (bytemode, sizeflag);
return;
}
- 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);
+ {
+ int add = 0;
+
+ USED_REX (REX_EXTZ);
+ if (rex & REX_EXTZ)
+ add = 8;
+ sprintf (scratchbuf, "%%xmm%d", rm + add);
+ }
else
- sprintf (scratchbuf, "%%mm%d", rm + add);
+ sprintf (scratchbuf, "%%mm%d", rm);
oappend (scratchbuf + intel_syntax);
}
int add = 0;
if (mod != 3)
{
+ if (intel_syntax && bytemode == v_mode)
+ {
+ switch (prefixes & (PREFIX_DATA|PREFIX_REPZ|PREFIX_REPNZ))
+ {
+ case 0: bytemode = x_mode; break;
+ case PREFIX_REPZ: bytemode = d_mode; used_prefixes |= PREFIX_REPZ; break;
+ case PREFIX_DATA: bytemode = x_mode; used_prefixes |= PREFIX_DATA; break;
+ case PREFIX_REPNZ: bytemode = q_mode; used_prefixes |= PREFIX_REPNZ; break;
+ default: bytemode = 0; break;
+ }
+ }
OP_E (bytemode, sizeflag);
return;
}
static void
PNI_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag)
{
- if (mod == 3 && reg == 1)
+ if (mod == 3 && reg == 1 && rm <= 1)
{
- char *p = obuf + strlen (obuf);
-
/* Override "sidt". */
+ char *p = obuf + strlen (obuf) - 4;
+
+ /* We might have a suffix when disassembling with -Msuffix. */
+ if (*p == 'i')
+ --p;
+
if (rm)
{
/* mwait %eax,%ecx */
- strcpy (p - 4, "mwait %eax,%ecx");
+ strcpy (p, "mwait");
+ if (!intel_syntax)
+ strcpy (op1out, names32[0]);
}
else
{
/* monitor %eax,%ecx,%edx" */
- strcpy (p - 4, "monitor %eax,%ecx,%edx");
+ strcpy (p, "monitor");
+ if (!intel_syntax)
+ {
+ if (!mode_64bit)
+ strcpy (op1out, names32[0]);
+ else if (!(prefixes & PREFIX_ADDR))
+ strcpy (op1out, names64[0]);
+ else
+ {
+ strcpy (op1out, names32[0]);
+ used_prefixes |= PREFIX_ADDR;
+ }
+ strcpy (op3out, names32[2]);
+ }
+ }
+ if (!intel_syntax)
+ {
+ strcpy (op2out, names32[1]);
+ two_source_ops = 1;
}
codep++;
}
else
- OP_E (0, sizeflag);
+ OP_M (0, sizeflag);
}
static void
-INVLPG_Fixup (int bytemode, int sizeflag)
+SVME_Fixup (int bytemode, int sizeflag)
{
- if (*codep == 0xf8)
+ const char *alt;
+ char *p;
+
+ switch (*codep)
{
- char *p = obuf + strlen (obuf);
+ case 0xd8:
+ alt = "vmrun";
+ break;
+ case 0xd9:
+ alt = "vmmcall";
+ break;
+ case 0xda:
+ alt = "vmload";
+ break;
+ case 0xdb:
+ alt = "vmsave";
+ break;
+ case 0xdc:
+ alt = "stgi";
+ break;
+ case 0xdd:
+ alt = "clgi";
+ break;
+ case 0xde:
+ alt = "skinit";
+ break;
+ case 0xdf:
+ alt = "invlpga";
+ break;
+ default:
+ OP_M (bytemode, sizeflag);
+ return;
+ }
+ /* Override "lidt". */
+ p = obuf + strlen (obuf) - 4;
+ /* We might have a suffix. */
+ if (*p == 'i')
+ --p;
+ strcpy (p, alt);
+ if (!(prefixes & PREFIX_ADDR))
+ {
+ ++codep;
+ return;
+ }
+ used_prefixes |= PREFIX_ADDR;
+ switch (*codep++)
+ {
+ case 0xdf:
+ strcpy (op2out, names32[1]);
+ two_source_ops = 1;
+ /* Fall through. */
+ case 0xd8:
+ case 0xda:
+ case 0xdb:
+ *obufp++ = open_char;
+ if (mode_64bit || (sizeflag & AFLAG))
+ alt = names32[0];
+ else
+ alt = names16[0];
+ strcpy (obufp, alt);
+ obufp += strlen (alt);
+ *obufp++ = close_char;
+ *obufp = '\0';
+ break;
+ }
+}
- /* Override "invlpg". */
- strcpy (p - 6, "swapgs");
- codep++;
+static void
+INVLPG_Fixup (int bytemode, int sizeflag)
+{
+ const char *alt;
+
+ switch (*codep)
+ {
+ case 0xf8:
+ alt = "swapgs";
+ break;
+ case 0xf9:
+ alt = "rdtscp";
+ break;
+ default:
+ OP_M (bytemode, sizeflag);
+ return;
}
- else
- OP_E (bytemode, sizeflag);
+ /* Override "invlpg". */
+ strcpy (obuf + strlen (obuf) - 6, alt);
+ codep++;
}
static void
codep = insn_codep + 1;
oappend ("(bad)");
}
+
+static void
+SEG_Fixup (int extrachar, int sizeflag)
+{
+ if (mod == 3)
+ {
+ /* We need to add a proper suffix with
+
+ movw %ds,%ax
+ movl %ds,%eax
+ movq %ds,%rax
+ movw %ax,%ds
+ movl %eax,%ds
+ movq %rax,%ds
+ */
+ const char *suffix;
+
+ if (prefixes & PREFIX_DATA)
+ suffix = "w";
+ else
+ {
+ USED_REX (REX_MODE64);
+ if (rex & REX_MODE64)
+ suffix = "q";
+ else
+ suffix = "l";
+ }
+ strcat (obuf, suffix);
+ }
+ else
+ {
+ /* We need to fix the suffix for
+
+ movw %ds,(%eax)
+ movw %ds,(%rax)
+ movw (%eax),%ds
+ movw (%rax),%ds
+
+ Override "mov[l|q]". */
+ char *p = obuf + strlen (obuf) - 1;
+
+ /* We might not have a suffix. */
+ if (*p == 'v')
+ ++p;
+ *p = 'w';
+ }
+
+ OP_E (extrachar, sizeflag);
+}
+
+static void
+VMX_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag)
+{
+ if (mod == 3 && reg == 0 && rm >=1 && rm <= 4)
+ {
+ /* Override "sgdt". */
+ char *p = obuf + strlen (obuf) - 4;
+
+ /* We might have a suffix when disassembling with -Msuffix. */
+ if (*p == 'g')
+ --p;
+
+ switch (rm)
+ {
+ case 1:
+ strcpy (p, "vmcall");
+ break;
+ case 2:
+ strcpy (p, "vmlaunch");
+ break;
+ case 3:
+ strcpy (p, "vmresume");
+ break;
+ case 4:
+ strcpy (p, "vmxoff");
+ break;
+ }
+
+ codep++;
+ }
+ else
+ OP_E (0, sizeflag);
+}
+
+static void
+OP_VMX (int bytemode, int sizeflag)
+{
+ used_prefixes |= (prefixes & (PREFIX_DATA | PREFIX_REPZ));
+ if (prefixes & PREFIX_DATA)
+ strcpy (obuf, "vmclear");
+ else if (prefixes & PREFIX_REPZ)
+ strcpy (obuf, "vmxon");
+ else
+ strcpy (obuf, "vmptrld");
+ OP_E (bytemode, sizeflag);
+}