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-rw-r--r--src/libmach/8db.c2447
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diff --git a/src/libmach/8db.c b/src/libmach/8db.c
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index cfc9cb99f..000000000
--- a/src/libmach/8db.c
+++ /dev/null
@@ -1,2447 +0,0 @@
-// Inferno libmach/8db.c
-// http://code.google.com/p/inferno-os/source/browse/utils/libmach/8db.c
-//
-// Copyright © 1994-1999 Lucent Technologies Inc.
-// Power PC support Copyright © 1995-2004 C H Forsyth (forsyth@terzarima.net).
-// Portions Copyright © 1997-1999 Vita Nuova Limited.
-// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com).
-// Revisions Copyright © 2000-2004 Lucent Technologies Inc. and others.
-// Portions Copyright © 2009 The Go Authors. All rights reserved.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#include <u.h>
-#include <libc.h>
-#include <bio.h>
-#include <mach.h>
-#define Ureg UregAmd64
-#include <ureg_amd64.h>
-#undef Ureg
-#define Ureg Ureg386
-#include <ureg_x86.h>
-#undef Ureg
-
-typedef struct UregAmd64 UregAmd64;
-typedef struct Ureg386 Ureg386;
-
-/*
- * i386-specific debugger interface
- * also amd64 extensions
- */
-
-static char *i386excep(Map*, Rgetter);
-
-static int i386trace(Map*, uvlong, uvlong, uvlong, Tracer);
-static uvlong i386frame(Map*, uvlong, uvlong, uvlong, uvlong);
-static int i386foll(Map*, uvlong, Rgetter, uvlong*);
-static int i386inst(Map*, uvlong, char, char*, int);
-static int i386das(Map*, uvlong, char*, int);
-static int i386instlen(Map*, uvlong);
-
-static char STARTSYM[] = "_main";
-static char GOSTARTSYM[] = "sys·goexit";
-static char PROFSYM[] = "_mainp";
-static char FRAMENAME[] = ".frame";
-static char LESSSTACK[] = "sys·lessstack";
-static char MORESTACK[] = "sys·morestack";
-static char *excname[] =
-{
-[0] = "divide error",
-[1] = "debug exception",
-[4] = "overflow",
-[5] = "bounds check",
-[6] = "invalid opcode",
-[7] = "math coprocessor emulation",
-[8] = "double fault",
-[9] = "math coprocessor overrun",
-[10] = "invalid TSS",
-[11] = "segment not present",
-[12] = "stack exception",
-[13] = "general protection violation",
-[14] = "page fault",
-[16] = "math coprocessor error",
-[17] = "alignment check",
-[18] = "machine check",
-[19] = "floating-point exception",
-[24] = "clock",
-[25] = "keyboard",
-[27] = "modem status",
-[28] = "serial line status",
-[30] = "floppy disk",
-[36] = "mouse",
-[37] = "math coprocessor",
-[38] = "hard disk",
-[64] = "system call",
-};
-
-Machdata i386mach =
-{
- {0xCC, 0, 0, 0}, /* break point: INT 3 */
- 1, /* break point size */
-
- leswab, /* convert short to local byte order */
- leswal, /* convert int32 to local byte order */
- leswav, /* convert vlong to local byte order */
- i386trace, /* C traceback */
- i386frame, /* frame finder */
- i386excep, /* print exception */
- 0, /* breakpoint fixup */
- leieeesftos, /* single precision float printer */
- leieeedftos, /* double precision float printer */
- i386foll, /* following addresses */
- i386inst, /* print instruction */
- i386das, /* dissembler */
- i386instlen, /* instruction size calculation */
-};
-
-static char*
-i386excep(Map *map, Rgetter rget)
-{
- uint32 c;
- uvlong pc;
- static char buf[16];
-
- c = (*rget)(map, "TRAP");
- if(c > 64 || excname[c] == 0) {
- if (c == 3) {
- pc = (*rget)(map, "PC");
- if (get1(map, pc, (uchar*)buf, machdata->bpsize) > 0)
- if (memcmp(buf, machdata->bpinst, machdata->bpsize) == 0)
- return "breakpoint";
- }
- snprint(buf, sizeof(buf), "exception %d", c);
- return buf;
- } else
- return excname[c];
-}
-
-static int
-i386trace(Map *map, uvlong pc, uvlong sp, uvlong link, Tracer trace)
-{
- int i;
- uvlong osp, pc1;
- Symbol s, f, s1;
- extern Mach mamd64;
- int isamd64;
- uvlong g, m, lessstack, morestack, stktop;
-
- isamd64 = (mach == &mamd64);
-
- // ../pkg/runtime/runtime.h
- // G is
- // byte* stackguard
- // byte* stackbase (= Stktop*)
- // TODO(rsc): Need some way to get at the g for other threads.
- // Probably need to pass it into the trace function.
- g = 0;
- if(isamd64)
- geta(map, offsetof(struct UregAmd64, r15), &g);
- else {
- // TODO(rsc): How to fetch g on 386?
- }
- stktop = 0;
- if(g != 0)
- geta(map, g+1*mach->szaddr, &stktop);
-
- lessstack = 0;
- if(lookup(0, LESSSTACK, &s))
- lessstack = s.value;
- morestack = 0;
- if(lookup(0, MORESTACK, &s))
- morestack = s.value;
-
- USED(link);
- osp = 0;
- i = 0;
-
- for(;;) {
- if(!findsym(pc, CTEXT, &s)) {
- // check for closure return sequence
- uchar buf[8], *p;
- if(get1(map, pc, buf, 8) < 0)
- break;
- // ADDQ $xxx, SP; RET
- p = buf;
- if(mach == &mamd64) {
- if(p[0] != 0x48)
- break;
- p++;
- }
- if(p[0] != 0x81 || p[1] != 0xc4 || p[6] != 0xc3)
- break;
- sp += p[2] | (p[3]<<8) | (p[4]<<16) | (p[5]<<24);
- if(geta(map, sp, &pc) < 0)
- break;
- sp += mach->szaddr;
- continue;
- }
-
- if (osp == sp)
- break;
- osp = sp;
-
- if(strcmp(STARTSYM, s.name) == 0 ||
- strcmp(GOSTARTSYM, s.name) == 0 ||
- strcmp(PROFSYM, s.name) == 0)
- break;
-
- if(s.value == morestack) {
- // This code is old and won't work anymore.
- // But no one uses it anyway.
- // Leave it obviously broken until someone needs it.
- werrstr("morestack not implemented correctly");
- return -1;
- // In the middle of morestack.
- // Caller is m->morepc.
- // Caller's caller is in m->morearg.
- // TODO(rsc): 386
- geta(map, offsetof(struct UregAmd64, r14), &m);
-
- pc = 0;
- sp = 0;
- pc1 = 0;
- s1 = s;
- memset(&s, 0, sizeof s);
- geta(map, m+1*mach->szaddr, &pc1); // m->morepc
- geta(map, m+2*mach->szaddr, &sp); // m->morebuf.sp
- geta(map, m+3*mach->szaddr, &pc); // m->morebuf.pc
- findsym(pc1, CTEXT, &s);
- (*trace)(map, pc1, sp-mach->szaddr, &s1); // morestack symbol; caller's PC/SP
-
- // caller's caller
- s1 = s;
- findsym(pc, CTEXT, &s);
- (*trace)(map, pc, sp, &s1); // morestack's caller; caller's caller's PC/SP
- continue;
- }
-
- if(pc == lessstack) {
- // ../pkg/runtime/runtime.h
- // Stktop is
- // byte* stackguard
- // byte* stackbase
- // Gobuf gobuf
- // byte* sp;
- // byte* pc;
- // G* g;
- if(!isamd64)
- fprint(2, "warning: cannot unwind stack split on 386\n");
- if(stktop == 0)
- break;
- pc = 0;
- sp = 0;
- geta(map, stktop+2*mach->szaddr, &sp);
- geta(map, stktop+3*mach->szaddr, &pc);
- geta(map, stktop+1*mach->szaddr, &stktop);
- (*trace)(map, pc, sp, &s1);
- continue;
- }
-
- s1 = s;
- pc1 = 0;
- if(pc != s.value) { /* not at first instruction */
- if(findlocal(&s, FRAMENAME, &f) == 0)
- break;
- geta(map, sp, &pc1);
- sp += f.value-mach->szaddr;
- }
- if(geta(map, sp, &pc) < 0)
- break;
-
- // If PC is not valid, assume we caught the function
- // before it moved the stack pointer down or perhaps
- // after it moved the stack pointer back up.
- // Try the PC we'd have gotten without the stack
- // pointer adjustment above (pc != s.value).
- // This only matters for the first frame, and it is only
- // a heuristic, but it does help.
- if(!findsym(pc, CTEXT, &s) || strcmp(s.name, "etext") == 0)
- pc = pc1;
-
- if(pc == 0)
- break;
-
- if(pc != lessstack)
- (*trace)(map, pc, sp, &s1);
- sp += mach->szaddr;
-
- if(++i > 1000)
- break;
- }
- return i;
-}
-
-static uvlong
-i386frame(Map *map, uvlong addr, uvlong pc, uvlong sp, uvlong link)
-{
- Symbol s, f;
-
- USED(link);
- while (findsym(pc, CTEXT, &s)) {
- if(strcmp(STARTSYM, s.name) == 0 || strcmp(PROFSYM, s.name) == 0)
- break;
-
- if(pc != s.value) { /* not first instruction */
- if(findlocal(&s, FRAMENAME, &f) == 0)
- break;
- sp += f.value-mach->szaddr;
- }
-
- if (s.value == addr)
- return sp;
-
- if (geta(map, sp, &pc) < 0)
- break;
- sp += mach->szaddr;
- }
- return 0;
-}
-
- /* I386/486 - Disassembler and related functions */
-
-/*
- * an instruction
- */
-typedef struct Instr Instr;
-struct Instr
-{
- uchar mem[1+1+1+1+2+1+1+4+4]; /* raw instruction */
- uvlong addr; /* address of start of instruction */
- int n; /* number of bytes in instruction */
- char *prefix; /* instr prefix */
- char *segment; /* segment override */
- uchar jumptype; /* set to the operand type for jump/ret/call */
- uchar amd64;
- uchar rex; /* REX prefix (or zero) */
- char osize; /* 'W' or 'L' (or 'Q' on amd64) */
- char asize; /* address size 'W' or 'L' (or 'Q' or amd64) */
- uchar mod; /* bits 6-7 of mod r/m field */
- uchar reg; /* bits 3-5 of mod r/m field */
- char ss; /* bits 6-7 of SIB */
- schar index; /* bits 3-5 of SIB */
- schar base; /* bits 0-2 of SIB */
- char rip; /* RIP-relative in amd64 mode */
- uchar opre; /* f2/f3 could introduce media */
- short seg; /* segment of far address */
- uint32 disp; /* displacement */
- uint32 imm; /* immediate */
- uint32 imm2; /* second immediate operand */
- uvlong imm64; /* big immediate */
- char *curr; /* fill level in output buffer */
- char *end; /* end of output buffer */
- char *err; /* error message */
-};
-
- /* 386 register (ha!) set */
-enum{
- AX=0,
- CX,
- DX,
- BX,
- SP,
- BP,
- SI,
- DI,
-
- /* amd64 */
- /* be careful: some unix system headers #define R8, R9, etc */
- AMD64_R8,
- AMD64_R9,
- AMD64_R10,
- AMD64_R11,
- AMD64_R12,
- AMD64_R13,
- AMD64_R14,
- AMD64_R15
-};
-
- /* amd64 rex extension byte */
-enum{
- REXW = 1<<3, /* =1, 64-bit operand size */
- REXR = 1<<2, /* extend modrm reg */
- REXX = 1<<1, /* extend sib index */
- REXB = 1<<0 /* extend modrm r/m, sib base, or opcode reg */
-};
-
- /* Operand Format codes */
-/*
-%A - address size register modifier (!asize -> 'E')
-%C - Control register CR0/CR1/CR2
-%D - Debug register DR0/DR1/DR2/DR3/DR6/DR7
-%I - second immediate operand
-%O - Operand size register modifier (!osize -> 'E')
-%T - Test register TR6/TR7
-%S - size code ('W' or 'L')
-%W - Weird opcode: OSIZE == 'W' => "CBW"; else => "CWDE"
-%d - displacement 16-32 bits
-%e - effective address - Mod R/M value
-%f - floating point register F0-F7 - from Mod R/M register
-%g - segment register
-%i - immediate operand 8-32 bits
-%p - PC-relative - signed displacement in immediate field
-%r - Reg from Mod R/M
-%w - Weird opcode: OSIZE == 'W' => "CWD"; else => "CDQ"
-*/
-
-typedef struct Optable Optable;
-struct Optable
-{
- char operand[2];
- void *proto; /* actually either (char*) or (Optable*) */
-};
- /* Operand decoding codes */
-enum {
- Ib = 1, /* 8-bit immediate - (no sign extension)*/
- Ibs, /* 8-bit immediate (sign extended) */
- Jbs, /* 8-bit sign-extended immediate in jump or call */
- Iw, /* 16-bit immediate -> imm */
- Iw2, /* 16-bit immediate -> imm2 */
- Iwd, /* Operand-sized immediate (no sign extension)*/
- Iwdq, /* Operand-sized immediate, possibly 64 bits */
- Awd, /* Address offset */
- Iwds, /* Operand-sized immediate (sign extended) */
- RM, /* Word or int32 R/M field with register (/r) */
- RMB, /* Byte R/M field with register (/r) */
- RMOP, /* Word or int32 R/M field with op code (/digit) */
- RMOPB, /* Byte R/M field with op code (/digit) */
- RMR, /* R/M register only (mod = 11) */
- RMM, /* R/M memory only (mod = 0/1/2) */
- Op_R0, /* Base reg of Mod R/M is literal 0x00 */
- Op_R1, /* Base reg of Mod R/M is literal 0x01 */
- FRMOP, /* Floating point R/M field with opcode */
- FRMEX, /* Extended floating point R/M field with opcode */
- JUMP, /* Jump or Call flag - no operand */
- RET, /* Return flag - no operand */
- OA, /* literal 0x0a byte */
- PTR, /* Seg:Displacement addr (ptr16:16 or ptr16:32) */
- AUX, /* Multi-byte op code - Auxiliary table */
- AUXMM, /* multi-byte op code - auxiliary table chosen by prefix */
- PRE, /* Instr Prefix */
- OPRE, /* Instr Prefix or media op extension */
- SEG, /* Segment Prefix */
- OPOVER, /* Operand size override */
- ADDOVER, /* Address size override */
-};
-
-static Optable optab0F00[8]=
-{
-[0x00] = { 0,0, "MOVW LDT,%e" },
-[0x01] = { 0,0, "MOVW TR,%e" },
-[0x02] = { 0,0, "MOVW %e,LDT" },
-[0x03] = { 0,0, "MOVW %e,TR" },
-[0x04] = { 0,0, "VERR %e" },
-[0x05] = { 0,0, "VERW %e" },
-};
-
-static Optable optab0F01[8]=
-{
-[0x00] = { 0,0, "MOVL GDTR,%e" },
-[0x01] = { 0,0, "MOVL IDTR,%e" },
-[0x02] = { 0,0, "MOVL %e,GDTR" },
-[0x03] = { 0,0, "MOVL %e,IDTR" },
-[0x04] = { 0,0, "MOVW MSW,%e" }, /* word */
-[0x06] = { 0,0, "MOVW %e,MSW" }, /* word */
-[0x07] = { 0,0, "INVLPG %e" }, /* or SWAPGS */
-};
-
-static Optable optab0F01F8[1]=
-{
-[0x00] = { 0,0, "SWAPGS" },
-};
-
-/* 0F71 */
-/* 0F72 */
-/* 0F73 */
-
-static Optable optab0FAE[8]=
-{
-[0x00] = { 0,0, "FXSAVE %e" },
-[0x01] = { 0,0, "FXRSTOR %e" },
-[0x02] = { 0,0, "LDMXCSR %e" },
-[0x03] = { 0,0, "STMXCSR %e" },
-[0x05] = { 0,0, "LFENCE" },
-[0x06] = { 0,0, "MFENCE" },
-[0x07] = { 0,0, "SFENCE" },
-};
-
-static Optable optab0F18[4]=
-{
-[0x00] = { 0,0, "PREFETCHNTA %e" },
-[0x01] = { 0,0, "PREFECTCH0 %e" },
-[0x02] = { 0,0, "PREFECTCH1 %e" },
-[0x03] = { 0,0, "PREFECTCH2 %e" },
-};
-
-/* 0F0D */
-
-static Optable optab0FBA[8]=
-{
-[0x04] = { Ib,0, "BT%S %i,%e" },
-[0x05] = { Ib,0, "BTS%S %i,%e" },
-[0x06] = { Ib,0, "BTR%S %i,%e" },
-[0x07] = { Ib,0, "BTC%S %i,%e" },
-};
-
-static Optable optab0F0F[256]=
-{
-[0x0c] = { 0,0, "PI2FW %m,%M" },
-[0x0d] = { 0,0, "PI2L %m,%M" },
-[0x1c] = { 0,0, "PF2IW %m,%M" },
-[0x1d] = { 0,0, "PF2IL %m,%M" },
-[0x8a] = { 0,0, "PFNACC %m,%M" },
-[0x8e] = { 0,0, "PFPNACC %m,%M" },
-[0x90] = { 0,0, "PFCMPGE %m,%M" },
-[0x94] = { 0,0, "PFMIN %m,%M" },
-[0x96] = { 0,0, "PFRCP %m,%M" },
-[0x97] = { 0,0, "PFRSQRT %m,%M" },
-[0x9a] = { 0,0, "PFSUB %m,%M" },
-[0x9e] = { 0,0, "PFADD %m,%M" },
-[0xa0] = { 0,0, "PFCMPGT %m,%M" },
-[0xa4] = { 0,0, "PFMAX %m,%M" },
-[0xa6] = { 0,0, "PFRCPIT1 %m,%M" },
-[0xa7] = { 0,0, "PFRSQIT1 %m,%M" },
-[0xaa] = { 0,0, "PFSUBR %m,%M" },
-[0xae] = { 0,0, "PFACC %m,%M" },
-[0xb0] = { 0,0, "PFCMPEQ %m,%M" },
-[0xb4] = { 0,0, "PFMUL %m,%M" },
-[0xb6] = { 0,0, "PFRCPI2T %m,%M" },
-[0xb7] = { 0,0, "PMULHRW %m,%M" },
-[0xbb] = { 0,0, "PSWAPL %m,%M" },
-};
-
-static Optable optab0FC7[8]=
-{
-[0x01] = { 0,0, "CMPXCHG8B %e" },
-};
-
-static Optable optab660F38[256]=
-{
-[0x00] = { RM,0, "PSHUFB %x,%X" },
-[0xdc] = { RM,0, "AESENC %x,%X" },
-[0xdb] = { RM,0, "AESIMC %x,%X," },
-[0xdd] = { RM,0, "AESENCLAST %x,%X" },
-[0xde] = { RM,0, "AESDEC %x,%X" },
-[0xdf] = { RM,0, "AESDECLAST %x,%X" },
-};
-
-static Optable optab660F3A[256]=
-{
-[0x22] = { RM,Ib, "PINSR%S %i,%e,%X" },
-[0xdf] = { RM,Ib, "AESKEYGENASSIST %i,%x,%X" },
-};
-
-static Optable optab660F71[8]=
-{
-[0x02] = { Ib,0, "PSRLW %i,%X" },
-[0x04] = { Ib,0, "PSRAW %i,%X" },
-[0x06] = { Ib,0, "PSLLW %i,%X" },
-};
-
-static Optable optab660F72[8]=
-{
-[0x02] = { Ib,0, "PSRLL %i,%X" },
-[0x04] = { Ib,0, "PSRAL %i,%X" },
-[0x06] = { Ib,0, "PSLLL %i,%X" },
-};
-
-static Optable optab660F73[8]=
-{
-[0x02] = { Ib,0, "PSRLQ %i,%X" },
-[0x03] = { Ib,0, "PSRLO %i,%X" },
-[0x06] = { Ib,0, "PSLLQ %i,%X" },
-[0x07] = { Ib,0, "PSLLO %i,%X" },
-};
-
-static Optable optab660F[256]=
-{
-[0x2B] = { RM,0, "MOVNTPD %x,%e" },
-[0x2E] = { RM,0, "UCOMISD %x,%X" },
-[0x2F] = { RM,0, "COMISD %x,%X" },
-[0x38] = { AUX,0, optab660F38 },
-[0x3A] = { AUX,0, optab660F3A },
-[0x5A] = { RM,0, "CVTPD2PS %x,%X" },
-[0x5B] = { RM,0, "CVTPS2PL %x,%X" },
-[0x6A] = { RM,0, "PUNPCKHLQ %x,%X" },
-[0x6B] = { RM,0, "PACKSSLW %x,%X" },
-[0x6C] = { RM,0, "PUNPCKLQDQ %x,%X" },
-[0x6D] = { RM,0, "PUNPCKHQDQ %x,%X" },
-[0x6E] = { RM,0, "MOV%S %e,%X" },
-[0x6F] = { RM,0, "MOVO %x,%X" }, /* MOVDQA */
-[0x70] = { RM,Ib, "PSHUFL %i,%x,%X" },
-[0x71] = { RMOP,0, optab660F71 },
-[0x72] = { RMOP,0, optab660F72 },
-[0x73] = { RMOP,0, optab660F73 },
-[0x7E] = { RM,0, "MOV%S %X,%e" },
-[0x7F] = { RM,0, "MOVO %X,%x" },
-[0xC4] = { RM,Ib, "PINSRW %i,%e,%X" },
-[0xC5] = { RMR,Ib, "PEXTRW %i,%X,%e" },
-[0xD4] = { RM,0, "PADDQ %x,%X" },
-[0xD5] = { RM,0, "PMULLW %x,%X" },
-[0xD6] = { RM,0, "MOVQ %X,%x" },
-[0xE6] = { RM,0, "CVTTPD2PL %x,%X" },
-[0xE7] = { RM,0, "MOVNTO %X,%e" },
-[0xF7] = { RM,0, "MASKMOVOU %x,%X" },
-};
-
-static Optable optabF20F38[256]=
-{
-[0xf0] = { RM,0, "CRC32B %e, %r" },
-[0xf1] = { RM,0, "CRC32%S %e, %r" },
-};
-
-static Optable optabF20F[256]=
-{
-[0x10] = { RM,0, "MOVSD %x,%X" },
-[0x11] = { RM,0, "MOVSD %X,%x" },
-[0x2A] = { RM,0, "CVTS%S2SD %e,%X" },
-[0x2C] = { RM,0, "CVTTSD2S%S %x,%r" },
-[0x2D] = { RM,0, "CVTSD2S%S %x,%r" },
-[0x38] = { AUX,0, optabF20F38 },
-[0x5A] = { RM,0, "CVTSD2SS %x,%X" },
-[0x6F] = { RM,0, "MOVOU %x,%X" },
-[0x70] = { RM,Ib, "PSHUFLW %i,%x,%X" },
-[0x7F] = { RM,0, "MOVOU %X,%x" },
-[0xD6] = { RM,0, "MOVQOZX %M,%X" },
-[0xE6] = { RM,0, "CVTPD2PL %x,%X" },
-};
-
-static Optable optabF30F[256]=
-{
-[0x10] = { RM,0, "MOVSS %x,%X" },
-[0x11] = { RM,0, "MOVSS %X,%x" },
-[0x2A] = { RM,0, "CVTS%S2SS %e,%X" },
-[0x2C] = { RM,0, "CVTTSS2S%S %x,%r" },
-[0x2D] = { RM,0, "CVTSS2S%S %x,%r" },
-[0x5A] = { RM,0, "CVTSS2SD %x,%X" },
-[0x5B] = { RM,0, "CVTTPS2PL %x,%X" },
-[0x6F] = { RM,0, "MOVOU %x,%X" },
-[0x70] = { RM,Ib, "PSHUFHW %i,%x,%X" },
-[0x7E] = { RM,0, "MOVQOZX %x,%X" },
-[0x7F] = { RM,0, "MOVOU %X,%x" },
-[0xD6] = { RM,0, "MOVQOZX %m*,%X" },
-[0xE6] = { RM,0, "CVTPL2PD %x,%X" },
-};
-
-static Optable optab0F[256]=
-{
-[0x00] = { RMOP,0, optab0F00 },
-[0x01] = { RMOP,0, optab0F01 },
-[0x02] = { RM,0, "LAR %e,%r" },
-[0x03] = { RM,0, "LSL %e,%r" },
-[0x05] = { 0,0, "SYSCALL" },
-[0x06] = { 0,0, "CLTS" },
-[0x07] = { 0,0, "SYSRET" },
-[0x08] = { 0,0, "INVD" },
-[0x09] = { 0,0, "WBINVD" },
-[0x0B] = { 0,0, "UD2" },
-[0x0F] = { RM,AUX, optab0F0F }, /* 3DNow! */
-[0x10] = { RM,0, "MOVU%s %x,%X" },
-[0x11] = { RM,0, "MOVU%s %X,%x" },
-[0x12] = { RM,0, "MOV[H]L%s %x,%X" }, /* TO DO: H if source is XMM */
-[0x13] = { RM,0, "MOVL%s %X,%e" },
-[0x14] = { RM,0, "UNPCKL%s %x,%X" },
-[0x15] = { RM,0, "UNPCKH%s %x,%X" },
-[0x16] = { RM,0, "MOV[L]H%s %x,%X" }, /* TO DO: L if source is XMM */
-[0x17] = { RM,0, "MOVH%s %X,%x" },
-[0x18] = { RMOP,0, optab0F18 },
-[0x1F] = { RM,0, "NOP%S %e" },
-[0x20] = { RMR,0, "MOVL %C,%e" },
-[0x21] = { RMR,0, "MOVL %D,%e" },
-[0x22] = { RMR,0, "MOVL %e,%C" },
-[0x23] = { RMR,0, "MOVL %e,%D" },
-[0x24] = { RMR,0, "MOVL %T,%e" },
-[0x26] = { RMR,0, "MOVL %e,%T" },
-[0x28] = { RM,0, "MOVA%s %x,%X" },
-[0x29] = { RM,0, "MOVA%s %X,%x" },
-[0x2A] = { RM,0, "CVTPL2%s %m*,%X" },
-[0x2B] = { RM,0, "MOVNT%s %X,%e" },
-[0x2C] = { RM,0, "CVTT%s2PL %x,%M" },
-[0x2D] = { RM,0, "CVT%s2PL %x,%M" },
-[0x2E] = { RM,0, "UCOMISS %x,%X" },
-[0x2F] = { RM,0, "COMISS %x,%X" },
-[0x30] = { 0,0, "WRMSR" },
-[0x31] = { 0,0, "RDTSC" },
-[0x32] = { 0,0, "RDMSR" },
-[0x33] = { 0,0, "RDPMC" },
-[0x42] = { RM,0, "CMOVC %e,%r" }, /* CF */
-[0x43] = { RM,0, "CMOVNC %e,%r" }, /* ¬ CF */
-[0x44] = { RM,0, "CMOVZ %e,%r" }, /* ZF */
-[0x45] = { RM,0, "CMOVNZ %e,%r" }, /* ¬ ZF */
-[0x46] = { RM,0, "CMOVBE %e,%r" }, /* CF ∨ ZF */
-[0x47] = { RM,0, "CMOVA %e,%r" }, /* ¬CF ∧ ¬ZF */
-[0x48] = { RM,0, "CMOVS %e,%r" }, /* SF */
-[0x49] = { RM,0, "CMOVNS %e,%r" }, /* ¬ SF */
-[0x4A] = { RM,0, "CMOVP %e,%r" }, /* PF */
-[0x4B] = { RM,0, "CMOVNP %e,%r" }, /* ¬ PF */
-[0x4C] = { RM,0, "CMOVLT %e,%r" }, /* LT ≡ OF ≠ SF */
-[0x4D] = { RM,0, "CMOVGE %e,%r" }, /* GE ≡ ZF ∨ SF */
-[0x4E] = { RM,0, "CMOVLE %e,%r" }, /* LE ≡ ZF ∨ LT */
-[0x4F] = { RM,0, "CMOVGT %e,%r" }, /* GT ≡ ¬ZF ∧ GE */
-[0x50] = { RM,0, "MOVMSK%s %X,%r" }, /* TO DO: check */
-[0x51] = { RM,0, "SQRT%s %x,%X" },
-[0x52] = { RM,0, "RSQRT%s %x,%X" },
-[0x53] = { RM,0, "RCP%s %x,%X" },
-[0x54] = { RM,0, "AND%s %x,%X" },
-[0x55] = { RM,0, "ANDN%s %x,%X" },
-[0x56] = { RM,0, "OR%s %x,%X" }, /* TO DO: S/D */
-[0x57] = { RM,0, "XOR%s %x,%X" }, /* S/D */
-[0x58] = { RM,0, "ADD%s %x,%X" }, /* S/P S/D */
-[0x59] = { RM,0, "MUL%s %x,%X" },
-[0x5A] = { RM,0, "CVTPS2PD %x,%X" },
-[0x5B] = { RM,0, "CVTPL2PS %x,%X" },
-[0x5C] = { RM,0, "SUB%s %x,%X" },
-[0x5D] = { RM,0, "MIN%s %x,%X" },
-[0x5E] = { RM,0, "DIV%s %x,%X" }, /* TO DO: S/P S/D */
-[0x5F] = { RM,0, "MAX%s %x,%X" },
-[0x60] = { RM,0, "PUNPCKLBW %m,%M" },
-[0x61] = { RM,0, "PUNPCKLWL %m,%M" },
-[0x62] = { RM,0, "PUNPCKLLQ %m,%M" },
-[0x63] = { RM,0, "PACKSSWB %m,%M" },
-[0x64] = { RM,0, "PCMPGTB %m,%M" },
-[0x65] = { RM,0, "PCMPGTW %m,%M" },
-[0x66] = { RM,0, "PCMPGTL %m,%M" },
-[0x67] = { RM,0, "PACKUSWB %m,%M" },
-[0x68] = { RM,0, "PUNPCKHBW %m,%M" },
-[0x69] = { RM,0, "PUNPCKHWL %m,%M" },
-[0x6A] = { RM,0, "PUNPCKHLQ %m,%M" },
-[0x6B] = { RM,0, "PACKSSLW %m,%M" },
-[0x6E] = { RM,0, "MOV%S %e,%M" },
-[0x6F] = { RM,0, "MOVQ %m,%M" },
-[0x70] = { RM,Ib, "PSHUFW %i,%m,%M" },
-[0x74] = { RM,0, "PCMPEQB %m,%M" },
-[0x75] = { RM,0, "PCMPEQW %m,%M" },
-[0x76] = { RM,0, "PCMPEQL %m,%M" },
-[0x77] = { 0,0, "EMMS" },
-[0x7E] = { RM,0, "MOV%S %M,%e" },
-[0x7F] = { RM,0, "MOVQ %M,%m" },
-[0xAE] = { RMOP,0, optab0FAE },
-[0xAA] = { 0,0, "RSM" },
-[0xB0] = { RM,0, "CMPXCHGB %r,%e" },
-[0xB1] = { RM,0, "CMPXCHG%S %r,%e" },
-[0xC0] = { RMB,0, "XADDB %r,%e" },
-[0xC1] = { RM,0, "XADD%S %r,%e" },
-[0xC2] = { RM,Ib, "CMP%s %x,%X,%#i" },
-[0xC3] = { RM,0, "MOVNTI%S %r,%e" },
-[0xC6] = { RM,Ib, "SHUF%s %i,%x,%X" },
-[0xC8] = { 0,0, "BSWAP AX" },
-[0xC9] = { 0,0, "BSWAP CX" },
-[0xCA] = { 0,0, "BSWAP DX" },
-[0xCB] = { 0,0, "BSWAP BX" },
-[0xCC] = { 0,0, "BSWAP SP" },
-[0xCD] = { 0,0, "BSWAP BP" },
-[0xCE] = { 0,0, "BSWAP SI" },
-[0xCF] = { 0,0, "BSWAP DI" },
-[0xD1] = { RM,0, "PSRLW %m,%M" },
-[0xD2] = { RM,0, "PSRLL %m,%M" },
-[0xD3] = { RM,0, "PSRLQ %m,%M" },
-[0xD5] = { RM,0, "PMULLW %m,%M" },
-[0xD6] = { RM,0, "MOVQOZX %m*,%X" },
-[0xD7] = { RM,0, "PMOVMSKB %m,%r" },
-[0xD8] = { RM,0, "PSUBUSB %m,%M" },
-[0xD9] = { RM,0, "PSUBUSW %m,%M" },
-[0xDA] = { RM,0, "PMINUB %m,%M" },
-[0xDB] = { RM,0, "PAND %m,%M" },
-[0xDC] = { RM,0, "PADDUSB %m,%M" },
-[0xDD] = { RM,0, "PADDUSW %m,%M" },
-[0xDE] = { RM,0, "PMAXUB %m,%M" },
-[0xDF] = { RM,0, "PANDN %m,%M" },
-[0xE0] = { RM,0, "PAVGB %m,%M" },
-[0xE1] = { RM,0, "PSRAW %m,%M" },
-[0xE2] = { RM,0, "PSRAL %m,%M" },
-[0xE3] = { RM,0, "PAVGW %m,%M" },
-[0xE4] = { RM,0, "PMULHUW %m,%M" },
-[0xE5] = { RM,0, "PMULHW %m,%M" },
-[0xE7] = { RM,0, "MOVNTQ %M,%e" },
-[0xE8] = { RM,0, "PSUBSB %m,%M" },
-[0xE9] = { RM,0, "PSUBSW %m,%M" },
-[0xEA] = { RM,0, "PMINSW %m,%M" },
-[0xEB] = { RM,0, "POR %m,%M" },
-[0xEC] = { RM,0, "PADDSB %m,%M" },
-[0xED] = { RM,0, "PADDSW %m,%M" },
-[0xEE] = { RM,0, "PMAXSW %m,%M" },
-[0xEF] = { RM,0, "PXOR %m,%M" },
-[0xF1] = { RM,0, "PSLLW %m,%M" },
-[0xF2] = { RM,0, "PSLLL %m,%M" },
-[0xF3] = { RM,0, "PSLLQ %m,%M" },
-[0xF4] = { RM,0, "PMULULQ %m,%M" },
-[0xF5] = { RM,0, "PMADDWL %m,%M" },
-[0xF6] = { RM,0, "PSADBW %m,%M" },
-[0xF7] = { RMR,0, "MASKMOVQ %m,%M" },
-[0xF8] = { RM,0, "PSUBB %m,%M" },
-[0xF9] = { RM,0, "PSUBW %m,%M" },
-[0xFA] = { RM,0, "PSUBL %m,%M" },
-[0xFC] = { RM,0, "PADDB %m,%M" },
-[0xFD] = { RM,0, "PADDW %m,%M" },
-[0xFE] = { RM,0, "PADDL %m,%M" },
-
-[0x80] = { Iwds,0, "JOS %p" },
-[0x81] = { Iwds,0, "JOC %p" },
-[0x82] = { Iwds,0, "JCS %p" },
-[0x83] = { Iwds,0, "JCC %p" },
-[0x84] = { Iwds,0, "JEQ %p" },
-[0x85] = { Iwds,0, "JNE %p" },
-[0x86] = { Iwds,0, "JLS %p" },
-[0x87] = { Iwds,0, "JHI %p" },
-[0x88] = { Iwds,0, "JMI %p" },
-[0x89] = { Iwds,0, "JPL %p" },
-[0x8a] = { Iwds,0, "JPS %p" },
-[0x8b] = { Iwds,0, "JPC %p" },
-[0x8c] = { Iwds,0, "JLT %p" },
-[0x8d] = { Iwds,0, "JGE %p" },
-[0x8e] = { Iwds,0, "JLE %p" },
-[0x8f] = { Iwds,0, "JGT %p" },
-[0x90] = { RMB,0, "SETOS %e" },
-[0x91] = { RMB,0, "SETOC %e" },
-[0x92] = { RMB,0, "SETCS %e" },
-[0x93] = { RMB,0, "SETCC %e" },
-[0x94] = { RMB,0, "SETEQ %e" },
-[0x95] = { RMB,0, "SETNE %e" },
-[0x96] = { RMB,0, "SETLS %e" },
-[0x97] = { RMB,0, "SETHI %e" },
-[0x98] = { RMB,0, "SETMI %e" },
-[0x99] = { RMB,0, "SETPL %e" },
-[0x9a] = { RMB,0, "SETPS %e" },
-[0x9b] = { RMB,0, "SETPC %e" },
-[0x9c] = { RMB,0, "SETLT %e" },
-[0x9d] = { RMB,0, "SETGE %e" },
-[0x9e] = { RMB,0, "SETLE %e" },
-[0x9f] = { RMB,0, "SETGT %e" },
-[0xa0] = { 0,0, "PUSHL FS" },
-[0xa1] = { 0,0, "POPL FS" },
-[0xa2] = { 0,0, "CPUID" },
-[0xa3] = { RM,0, "BT%S %r,%e" },
-[0xa4] = { RM,Ib, "SHLD%S %r,%i,%e" },
-[0xa5] = { RM,0, "SHLD%S %r,CL,%e" },
-[0xa8] = { 0,0, "PUSHL GS" },
-[0xa9] = { 0,0, "POPL GS" },
-[0xab] = { RM,0, "BTS%S %r,%e" },
-[0xac] = { RM,Ib, "SHRD%S %r,%i,%e" },
-[0xad] = { RM,0, "SHRD%S %r,CL,%e" },
-[0xaf] = { RM,0, "IMUL%S %e,%r" },
-[0xb2] = { RMM,0, "LSS %e,%r" },
-[0xb3] = { RM,0, "BTR%S %r,%e" },
-[0xb4] = { RMM,0, "LFS %e,%r" },
-[0xb5] = { RMM,0, "LGS %e,%r" },
-[0xb6] = { RMB,0, "MOVBZX %e,%R" },
-[0xb7] = { RM,0, "MOVWZX %e,%R" },
-[0xba] = { RMOP,0, optab0FBA },
-[0xbb] = { RM,0, "BTC%S %e,%r" },
-[0xbc] = { RM,0, "BSF%S %e,%r" },
-[0xbd] = { RM,0, "BSR%S %e,%r" },
-[0xbe] = { RMB,0, "MOVBSX %e,%R" },
-[0xbf] = { RM,0, "MOVWSX %e,%R" },
-[0xc7] = { RMOP,0, optab0FC7 },
-};
-
-static Optable optab80[8]=
-{
-[0x00] = { Ib,0, "ADDB %i,%e" },
-[0x01] = { Ib,0, "ORB %i,%e" },
-[0x02] = { Ib,0, "ADCB %i,%e" },
-[0x03] = { Ib,0, "SBBB %i,%e" },
-[0x04] = { Ib,0, "ANDB %i,%e" },
-[0x05] = { Ib,0, "SUBB %i,%e" },
-[0x06] = { Ib,0, "XORB %i,%e" },
-[0x07] = { Ib,0, "CMPB %e,%i" },
-};
-
-static Optable optab81[8]=
-{
-[0x00] = { Iwd,0, "ADD%S %i,%e" },
-[0x01] = { Iwd,0, "OR%S %i,%e" },
-[0x02] = { Iwd,0, "ADC%S %i,%e" },
-[0x03] = { Iwd,0, "SBB%S %i,%e" },
-[0x04] = { Iwd,0, "AND%S %i,%e" },
-[0x05] = { Iwd,0, "SUB%S %i,%e" },
-[0x06] = { Iwd,0, "XOR%S %i,%e" },
-[0x07] = { Iwd,0, "CMP%S %e,%i" },
-};
-
-static Optable optab83[8]=
-{
-[0x00] = { Ibs,0, "ADD%S %i,%e" },
-[0x01] = { Ibs,0, "OR%S %i,%e" },
-[0x02] = { Ibs,0, "ADC%S %i,%e" },
-[0x03] = { Ibs,0, "SBB%S %i,%e" },
-[0x04] = { Ibs,0, "AND%S %i,%e" },
-[0x05] = { Ibs,0, "SUB%S %i,%e" },
-[0x06] = { Ibs,0, "XOR%S %i,%e" },
-[0x07] = { Ibs,0, "CMP%S %e,%i" },
-};
-
-static Optable optabC0[8] =
-{
-[0x00] = { Ib,0, "ROLB %i,%e" },
-[0x01] = { Ib,0, "RORB %i,%e" },
-[0x02] = { Ib,0, "RCLB %i,%e" },
-[0x03] = { Ib,0, "RCRB %i,%e" },
-[0x04] = { Ib,0, "SHLB %i,%e" },
-[0x05] = { Ib,0, "SHRB %i,%e" },
-[0x07] = { Ib,0, "SARB %i,%e" },
-};
-
-static Optable optabC1[8] =
-{
-[0x00] = { Ib,0, "ROL%S %i,%e" },
-[0x01] = { Ib,0, "ROR%S %i,%e" },
-[0x02] = { Ib,0, "RCL%S %i,%e" },
-[0x03] = { Ib,0, "RCR%S %i,%e" },
-[0x04] = { Ib,0, "SHL%S %i,%e" },
-[0x05] = { Ib,0, "SHR%S %i,%e" },
-[0x07] = { Ib,0, "SAR%S %i,%e" },
-};
-
-static Optable optabD0[8] =
-{
-[0x00] = { 0,0, "ROLB %e" },
-[0x01] = { 0,0, "RORB %e" },
-[0x02] = { 0,0, "RCLB %e" },
-[0x03] = { 0,0, "RCRB %e" },
-[0x04] = { 0,0, "SHLB %e" },
-[0x05] = { 0,0, "SHRB %e" },
-[0x07] = { 0,0, "SARB %e" },
-};
-
-static Optable optabD1[8] =
-{
-[0x00] = { 0,0, "ROL%S %e" },
-[0x01] = { 0,0, "ROR%S %e" },
-[0x02] = { 0,0, "RCL%S %e" },
-[0x03] = { 0,0, "RCR%S %e" },
-[0x04] = { 0,0, "SHL%S %e" },
-[0x05] = { 0,0, "SHR%S %e" },
-[0x07] = { 0,0, "SAR%S %e" },
-};
-
-static Optable optabD2[8] =
-{
-[0x00] = { 0,0, "ROLB CL,%e" },
-[0x01] = { 0,0, "RORB CL,%e" },
-[0x02] = { 0,0, "RCLB CL,%e" },
-[0x03] = { 0,0, "RCRB CL,%e" },
-[0x04] = { 0,0, "SHLB CL,%e" },
-[0x05] = { 0,0, "SHRB CL,%e" },
-[0x07] = { 0,0, "SARB CL,%e" },
-};
-
-static Optable optabD3[8] =
-{
-[0x00] = { 0,0, "ROL%S CL,%e" },
-[0x01] = { 0,0, "ROR%S CL,%e" },
-[0x02] = { 0,0, "RCL%S CL,%e" },
-[0x03] = { 0,0, "RCR%S CL,%e" },
-[0x04] = { 0,0, "SHL%S CL,%e" },
-[0x05] = { 0,0, "SHR%S CL,%e" },
-[0x07] = { 0,0, "SAR%S CL,%e" },
-};
-
-static Optable optabD8[8+8] =
-{
-[0x00] = { 0,0, "FADDF %e,F0" },
-[0x01] = { 0,0, "FMULF %e,F0" },
-[0x02] = { 0,0, "FCOMF %e,F0" },
-[0x03] = { 0,0, "FCOMFP %e,F0" },
-[0x04] = { 0,0, "FSUBF %e,F0" },
-[0x05] = { 0,0, "FSUBRF %e,F0" },
-[0x06] = { 0,0, "FDIVF %e,F0" },
-[0x07] = { 0,0, "FDIVRF %e,F0" },
-[0x08] = { 0,0, "FADDD %f,F0" },
-[0x09] = { 0,0, "FMULD %f,F0" },
-[0x0a] = { 0,0, "FCOMD %f,F0" },
-[0x0b] = { 0,0, "FCOMPD %f,F0" },
-[0x0c] = { 0,0, "FSUBD %f,F0" },
-[0x0d] = { 0,0, "FSUBRD %f,F0" },
-[0x0e] = { 0,0, "FDIVD %f,F0" },
-[0x0f] = { 0,0, "FDIVRD %f,F0" },
-};
-/*
- * optabD9 and optabDB use the following encoding:
- * if (0 <= modrm <= 2) instruction = optabDx[modrm&0x07];
- * else instruction = optabDx[(modrm&0x3f)+8];
- *
- * the instructions for MOD == 3, follow the 8 instructions
- * for the other MOD values stored at the front of the table.
- */
-static Optable optabD9[64+8] =
-{
-[0x00] = { 0,0, "FMOVF %e,F0" },
-[0x02] = { 0,0, "FMOVF F0,%e" },
-[0x03] = { 0,0, "FMOVFP F0,%e" },
-[0x04] = { 0,0, "FLDENV%S %e" },
-[0x05] = { 0,0, "FLDCW %e" },
-[0x06] = { 0,0, "FSTENV%S %e" },
-[0x07] = { 0,0, "FSTCW %e" },
-[0x08] = { 0,0, "FMOVD F0,F0" }, /* Mod R/M = 11xx xxxx*/
-[0x09] = { 0,0, "FMOVD F1,F0" },
-[0x0a] = { 0,0, "FMOVD F2,F0" },
-[0x0b] = { 0,0, "FMOVD F3,F0" },
-[0x0c] = { 0,0, "FMOVD F4,F0" },
-[0x0d] = { 0,0, "FMOVD F5,F0" },
-[0x0e] = { 0,0, "FMOVD F6,F0" },
-[0x0f] = { 0,0, "FMOVD F7,F0" },
-[0x10] = { 0,0, "FXCHD F0,F0" },
-[0x11] = { 0,0, "FXCHD F1,F0" },
-[0x12] = { 0,0, "FXCHD F2,F0" },
-[0x13] = { 0,0, "FXCHD F3,F0" },
-[0x14] = { 0,0, "FXCHD F4,F0" },
-[0x15] = { 0,0, "FXCHD F5,F0" },
-[0x16] = { 0,0, "FXCHD F6,F0" },
-[0x17] = { 0,0, "FXCHD F7,F0" },
-[0x18] = { 0,0, "FNOP" },
-[0x28] = { 0,0, "FCHS" },
-[0x29] = { 0,0, "FABS" },
-[0x2c] = { 0,0, "FTST" },
-[0x2d] = { 0,0, "FXAM" },
-[0x30] = { 0,0, "FLD1" },
-[0x31] = { 0,0, "FLDL2T" },
-[0x32] = { 0,0, "FLDL2E" },
-[0x33] = { 0,0, "FLDPI" },
-[0x34] = { 0,0, "FLDLG2" },
-[0x35] = { 0,0, "FLDLN2" },
-[0x36] = { 0,0, "FLDZ" },
-[0x38] = { 0,0, "F2XM1" },
-[0x39] = { 0,0, "FYL2X" },
-[0x3a] = { 0,0, "FPTAN" },
-[0x3b] = { 0,0, "FPATAN" },
-[0x3c] = { 0,0, "FXTRACT" },
-[0x3d] = { 0,0, "FPREM1" },
-[0x3e] = { 0,0, "FDECSTP" },
-[0x3f] = { 0,0, "FNCSTP" },
-[0x40] = { 0,0, "FPREM" },
-[0x41] = { 0,0, "FYL2XP1" },
-[0x42] = { 0,0, "FSQRT" },
-[0x43] = { 0,0, "FSINCOS" },
-[0x44] = { 0,0, "FRNDINT" },
-[0x45] = { 0,0, "FSCALE" },
-[0x46] = { 0,0, "FSIN" },
-[0x47] = { 0,0, "FCOS" },
-};
-
-static Optable optabDA[8+8] =
-{
-[0x00] = { 0,0, "FADDL %e,F0" },
-[0x01] = { 0,0, "FMULL %e,F0" },
-[0x02] = { 0,0, "FCOML %e,F0" },
-[0x03] = { 0,0, "FCOMLP %e,F0" },
-[0x04] = { 0,0, "FSUBL %e,F0" },
-[0x05] = { 0,0, "FSUBRL %e,F0" },
-[0x06] = { 0,0, "FDIVL %e,F0" },
-[0x07] = { 0,0, "FDIVRL %e,F0" },
-[0x08] = { 0,0, "FCMOVCS %f,F0" },
-[0x09] = { 0,0, "FCMOVEQ %f,F0" },
-[0x0a] = { 0,0, "FCMOVLS %f,F0" },
-[0x0b] = { 0,0, "FCMOVUN %f,F0" },
-[0x0d] = { Op_R1,0, "FUCOMPP" },
-};
-
-static Optable optabDB[8+64] =
-{
-[0x00] = { 0,0, "FMOVL %e,F0" },
-[0x02] = { 0,0, "FMOVL F0,%e" },
-[0x03] = { 0,0, "FMOVLP F0,%e" },
-[0x05] = { 0,0, "FMOVX %e,F0" },
-[0x07] = { 0,0, "FMOVXP F0,%e" },
-[0x08] = { 0,0, "FCMOVCC F0,F0" }, /* Mod R/M = 11xx xxxx*/
-[0x09] = { 0,0, "FCMOVCC F1,F0" },
-[0x0a] = { 0,0, "FCMOVCC F2,F0" },
-[0x0b] = { 0,0, "FCMOVCC F3,F0" },
-[0x0c] = { 0,0, "FCMOVCC F4,F0" },
-[0x0d] = { 0,0, "FCMOVCC F5,F0" },
-[0x0e] = { 0,0, "FCMOVCC F6,F0" },
-[0x0f] = { 0,0, "FCMOVCC F7,F0" },
-[0x10] = { 0,0, "FCMOVNE F0,F0" },
-[0x11] = { 0,0, "FCMOVNE F1,F0" },
-[0x12] = { 0,0, "FCMOVNE F2,F0" },
-[0x13] = { 0,0, "FCMOVNE F3,F0" },
-[0x14] = { 0,0, "FCMOVNE F4,F0" },
-[0x15] = { 0,0, "FCMOVNE F5,F0" },
-[0x16] = { 0,0, "FCMOVNE F6,F0" },
-[0x17] = { 0,0, "FCMOVNE F7,F0" },
-[0x18] = { 0,0, "FCMOVHI F0,F0" },
-[0x19] = { 0,0, "FCMOVHI F1,F0" },
-[0x1a] = { 0,0, "FCMOVHI F2,F0" },
-[0x1b] = { 0,0, "FCMOVHI F3,F0" },
-[0x1c] = { 0,0, "FCMOVHI F4,F0" },
-[0x1d] = { 0,0, "FCMOVHI F5,F0" },
-[0x1e] = { 0,0, "FCMOVHI F6,F0" },
-[0x1f] = { 0,0, "FCMOVHI F7,F0" },
-[0x20] = { 0,0, "FCMOVNU F0,F0" },
-[0x21] = { 0,0, "FCMOVNU F1,F0" },
-[0x22] = { 0,0, "FCMOVNU F2,F0" },
-[0x23] = { 0,0, "FCMOVNU F3,F0" },
-[0x24] = { 0,0, "FCMOVNU F4,F0" },
-[0x25] = { 0,0, "FCMOVNU F5,F0" },
-[0x26] = { 0,0, "FCMOVNU F6,F0" },
-[0x27] = { 0,0, "FCMOVNU F7,F0" },
-[0x2a] = { 0,0, "FCLEX" },
-[0x2b] = { 0,0, "FINIT" },
-[0x30] = { 0,0, "FUCOMI F0,F0" },
-[0x31] = { 0,0, "FUCOMI F1,F0" },
-[0x32] = { 0,0, "FUCOMI F2,F0" },
-[0x33] = { 0,0, "FUCOMI F3,F0" },
-[0x34] = { 0,0, "FUCOMI F4,F0" },
-[0x35] = { 0,0, "FUCOMI F5,F0" },
-[0x36] = { 0,0, "FUCOMI F6,F0" },
-[0x37] = { 0,0, "FUCOMI F7,F0" },
-[0x38] = { 0,0, "FCOMI F0,F0" },
-[0x39] = { 0,0, "FCOMI F1,F0" },
-[0x3a] = { 0,0, "FCOMI F2,F0" },
-[0x3b] = { 0,0, "FCOMI F3,F0" },
-[0x3c] = { 0,0, "FCOMI F4,F0" },
-[0x3d] = { 0,0, "FCOMI F5,F0" },
-[0x3e] = { 0,0, "FCOMI F6,F0" },
-[0x3f] = { 0,0, "FCOMI F7,F0" },
-};
-
-static Optable optabDC[8+8] =
-{
-[0x00] = { 0,0, "FADDD %e,F0" },
-[0x01] = { 0,0, "FMULD %e,F0" },
-[0x02] = { 0,0, "FCOMD %e,F0" },
-[0x03] = { 0,0, "FCOMDP %e,F0" },
-[0x04] = { 0,0, "FSUBD %e,F0" },
-[0x05] = { 0,0, "FSUBRD %e,F0" },
-[0x06] = { 0,0, "FDIVD %e,F0" },
-[0x07] = { 0,0, "FDIVRD %e,F0" },
-[0x08] = { 0,0, "FADDD F0,%f" },
-[0x09] = { 0,0, "FMULD F0,%f" },
-[0x0c] = { 0,0, "FSUBRD F0,%f" },
-[0x0d] = { 0,0, "FSUBD F0,%f" },
-[0x0e] = { 0,0, "FDIVRD F0,%f" },
-[0x0f] = { 0,0, "FDIVD F0,%f" },
-};
-
-static Optable optabDD[8+8] =
-{
-[0x00] = { 0,0, "FMOVD %e,F0" },
-[0x02] = { 0,0, "FMOVD F0,%e" },
-[0x03] = { 0,0, "FMOVDP F0,%e" },
-[0x04] = { 0,0, "FRSTOR%S %e" },
-[0x06] = { 0,0, "FSAVE%S %e" },
-[0x07] = { 0,0, "FSTSW %e" },
-[0x08] = { 0,0, "FFREED %f" },
-[0x0a] = { 0,0, "FMOVD %f,F0" },
-[0x0b] = { 0,0, "FMOVDP %f,F0" },
-[0x0c] = { 0,0, "FUCOMD %f,F0" },
-[0x0d] = { 0,0, "FUCOMDP %f,F0" },
-};
-
-static Optable optabDE[8+8] =
-{
-[0x00] = { 0,0, "FADDW %e,F0" },
-[0x01] = { 0,0, "FMULW %e,F0" },
-[0x02] = { 0,0, "FCOMW %e,F0" },
-[0x03] = { 0,0, "FCOMWP %e,F0" },
-[0x04] = { 0,0, "FSUBW %e,F0" },
-[0x05] = { 0,0, "FSUBRW %e,F0" },
-[0x06] = { 0,0, "FDIVW %e,F0" },
-[0x07] = { 0,0, "FDIVRW %e,F0" },
-[0x08] = { 0,0, "FADDDP F0,%f" },
-[0x09] = { 0,0, "FMULDP F0,%f" },
-[0x0b] = { Op_R1,0, "FCOMPDP" },
-[0x0c] = { 0,0, "FSUBRDP F0,%f" },
-[0x0d] = { 0,0, "FSUBDP F0,%f" },
-[0x0e] = { 0,0, "FDIVRDP F0,%f" },
-[0x0f] = { 0,0, "FDIVDP F0,%f" },
-};
-
-static Optable optabDF[8+8] =
-{
-[0x00] = { 0,0, "FMOVW %e,F0" },
-[0x02] = { 0,0, "FMOVW F0,%e" },
-[0x03] = { 0,0, "FMOVWP F0,%e" },
-[0x04] = { 0,0, "FBLD %e" },
-[0x05] = { 0,0, "FMOVL %e,F0" },
-[0x06] = { 0,0, "FBSTP %e" },
-[0x07] = { 0,0, "FMOVLP F0,%e" },
-[0x0c] = { Op_R0,0, "FSTSW %OAX" },
-[0x0d] = { 0,0, "FUCOMIP F0,%f" },
-[0x0e] = { 0,0, "FCOMIP F0,%f" },
-};
-
-static Optable optabF6[8] =
-{
-[0x00] = { Ib,0, "TESTB %i,%e" },
-[0x02] = { 0,0, "NOTB %e" },
-[0x03] = { 0,0, "NEGB %e" },
-[0x04] = { 0,0, "MULB AL,%e" },
-[0x05] = { 0,0, "IMULB AL,%e" },
-[0x06] = { 0,0, "DIVB AL,%e" },
-[0x07] = { 0,0, "IDIVB AL,%e" },
-};
-
-static Optable optabF7[8] =
-{
-[0x00] = { Iwd,0, "TEST%S %i,%e" },
-[0x02] = { 0,0, "NOT%S %e" },
-[0x03] = { 0,0, "NEG%S %e" },
-[0x04] = { 0,0, "MUL%S %OAX,%e" },
-[0x05] = { 0,0, "IMUL%S %OAX,%e" },
-[0x06] = { 0,0, "DIV%S %OAX,%e" },
-[0x07] = { 0,0, "IDIV%S %OAX,%e" },
-};
-
-static Optable optabFE[8] =
-{
-[0x00] = { 0,0, "INCB %e" },
-[0x01] = { 0,0, "DECB %e" },
-};
-
-static Optable optabFF[8] =
-{
-[0x00] = { 0,0, "INC%S %e" },
-[0x01] = { 0,0, "DEC%S %e" },
-[0x02] = { JUMP,0, "CALL* %e" },
-[0x03] = { JUMP,0, "CALLF* %e" },
-[0x04] = { JUMP,0, "JMP* %e" },
-[0x05] = { JUMP,0, "JMPF* %e" },
-[0x06] = { 0,0, "PUSHL %e" },
-};
-
-static Optable optable[256+2] =
-{
-[0x00] = { RMB,0, "ADDB %r,%e" },
-[0x01] = { RM,0, "ADD%S %r,%e" },
-[0x02] = { RMB,0, "ADDB %e,%r" },
-[0x03] = { RM,0, "ADD%S %e,%r" },
-[0x04] = { Ib,0, "ADDB %i,AL" },
-[0x05] = { Iwd,0, "ADD%S %i,%OAX" },
-[0x06] = { 0,0, "PUSHL ES" },
-[0x07] = { 0,0, "POPL ES" },
-[0x08] = { RMB,0, "ORB %r,%e" },
-[0x09] = { RM,0, "OR%S %r,%e" },
-[0x0a] = { RMB,0, "ORB %e,%r" },
-[0x0b] = { RM,0, "OR%S %e,%r" },
-[0x0c] = { Ib,0, "ORB %i,AL" },
-[0x0d] = { Iwd,0, "OR%S %i,%OAX" },
-[0x0e] = { 0,0, "PUSHL CS" },
-[0x0f] = { AUXMM,0, optab0F },
-[0x10] = { RMB,0, "ADCB %r,%e" },
-[0x11] = { RM,0, "ADC%S %r,%e" },
-[0x12] = { RMB,0, "ADCB %e,%r" },
-[0x13] = { RM,0, "ADC%S %e,%r" },
-[0x14] = { Ib,0, "ADCB %i,AL" },
-[0x15] = { Iwd,0, "ADC%S %i,%OAX" },
-[0x16] = { 0,0, "PUSHL SS" },
-[0x17] = { 0,0, "POPL SS" },
-[0x18] = { RMB,0, "SBBB %r,%e" },
-[0x19] = { RM,0, "SBB%S %r,%e" },
-[0x1a] = { RMB,0, "SBBB %e,%r" },
-[0x1b] = { RM,0, "SBB%S %e,%r" },
-[0x1c] = { Ib,0, "SBBB %i,AL" },
-[0x1d] = { Iwd,0, "SBB%S %i,%OAX" },
-[0x1e] = { 0,0, "PUSHL DS" },
-[0x1f] = { 0,0, "POPL DS" },
-[0x20] = { RMB,0, "ANDB %r,%e" },
-[0x21] = { RM,0, "AND%S %r,%e" },
-[0x22] = { RMB,0, "ANDB %e,%r" },
-[0x23] = { RM,0, "AND%S %e,%r" },
-[0x24] = { Ib,0, "ANDB %i,AL" },
-[0x25] = { Iwd,0, "AND%S %i,%OAX" },
-[0x26] = { SEG,0, "ES:" },
-[0x27] = { 0,0, "DAA" },
-[0x28] = { RMB,0, "SUBB %r,%e" },
-[0x29] = { RM,0, "SUB%S %r,%e" },
-[0x2a] = { RMB,0, "SUBB %e,%r" },
-[0x2b] = { RM,0, "SUB%S %e,%r" },
-[0x2c] = { Ib,0, "SUBB %i,AL" },
-[0x2d] = { Iwd,0, "SUB%S %i,%OAX" },
-[0x2e] = { SEG,0, "CS:" },
-[0x2f] = { 0,0, "DAS" },
-[0x30] = { RMB,0, "XORB %r,%e" },
-[0x31] = { RM,0, "XOR%S %r,%e" },
-[0x32] = { RMB,0, "XORB %e,%r" },
-[0x33] = { RM,0, "XOR%S %e,%r" },
-[0x34] = { Ib,0, "XORB %i,AL" },
-[0x35] = { Iwd,0, "XOR%S %i,%OAX" },
-[0x36] = { SEG,0, "SS:" },
-[0x37] = { 0,0, "AAA" },
-[0x38] = { RMB,0, "CMPB %r,%e" },
-[0x39] = { RM,0, "CMP%S %r,%e" },
-[0x3a] = { RMB,0, "CMPB %e,%r" },
-[0x3b] = { RM,0, "CMP%S %e,%r" },
-[0x3c] = { Ib,0, "CMPB %i,AL" },
-[0x3d] = { Iwd,0, "CMP%S %i,%OAX" },
-[0x3e] = { SEG,0, "DS:" },
-[0x3f] = { 0,0, "AAS" },
-[0x40] = { 0,0, "INC%S %OAX" },
-[0x41] = { 0,0, "INC%S %OCX" },
-[0x42] = { 0,0, "INC%S %ODX" },
-[0x43] = { 0,0, "INC%S %OBX" },
-[0x44] = { 0,0, "INC%S %OSP" },
-[0x45] = { 0,0, "INC%S %OBP" },
-[0x46] = { 0,0, "INC%S %OSI" },
-[0x47] = { 0,0, "INC%S %ODI" },
-[0x48] = { 0,0, "DEC%S %OAX" },
-[0x49] = { 0,0, "DEC%S %OCX" },
-[0x4a] = { 0,0, "DEC%S %ODX" },
-[0x4b] = { 0,0, "DEC%S %OBX" },
-[0x4c] = { 0,0, "DEC%S %OSP" },
-[0x4d] = { 0,0, "DEC%S %OBP" },
-[0x4e] = { 0,0, "DEC%S %OSI" },
-[0x4f] = { 0,0, "DEC%S %ODI" },
-[0x50] = { 0,0, "PUSH%S %OAX" },
-[0x51] = { 0,0, "PUSH%S %OCX" },
-[0x52] = { 0,0, "PUSH%S %ODX" },
-[0x53] = { 0,0, "PUSH%S %OBX" },
-[0x54] = { 0,0, "PUSH%S %OSP" },
-[0x55] = { 0,0, "PUSH%S %OBP" },
-[0x56] = { 0,0, "PUSH%S %OSI" },
-[0x57] = { 0,0, "PUSH%S %ODI" },
-[0x58] = { 0,0, "POP%S %OAX" },
-[0x59] = { 0,0, "POP%S %OCX" },
-[0x5a] = { 0,0, "POP%S %ODX" },
-[0x5b] = { 0,0, "POP%S %OBX" },
-[0x5c] = { 0,0, "POP%S %OSP" },
-[0x5d] = { 0,0, "POP%S %OBP" },
-[0x5e] = { 0,0, "POP%S %OSI" },
-[0x5f] = { 0,0, "POP%S %ODI" },
-[0x60] = { 0,0, "PUSHA%S" },
-[0x61] = { 0,0, "POPA%S" },
-[0x62] = { RMM,0, "BOUND %e,%r" },
-[0x63] = { RM,0, "ARPL %r,%e" },
-[0x64] = { SEG,0, "FS:" },
-[0x65] = { SEG,0, "GS:" },
-[0x66] = { OPOVER,0, "" },
-[0x67] = { ADDOVER,0, "" },
-[0x68] = { Iwd,0, "PUSH%S %i" },
-[0x69] = { RM,Iwd, "IMUL%S %e,%i,%r" },
-[0x6a] = { Ib,0, "PUSH%S %i" },
-[0x6b] = { RM,Ibs, "IMUL%S %e,%i,%r" },
-[0x6c] = { 0,0, "INSB DX,(%ODI)" },
-[0x6d] = { 0,0, "INS%S DX,(%ODI)" },
-[0x6e] = { 0,0, "OUTSB (%ASI),DX" },
-[0x6f] = { 0,0, "OUTS%S (%ASI),DX" },
-[0x70] = { Jbs,0, "JOS %p" },
-[0x71] = { Jbs,0, "JOC %p" },
-[0x72] = { Jbs,0, "JCS %p" },
-[0x73] = { Jbs,0, "JCC %p" },
-[0x74] = { Jbs,0, "JEQ %p" },
-[0x75] = { Jbs,0, "JNE %p" },
-[0x76] = { Jbs,0, "JLS %p" },
-[0x77] = { Jbs,0, "JHI %p" },
-[0x78] = { Jbs,0, "JMI %p" },
-[0x79] = { Jbs,0, "JPL %p" },
-[0x7a] = { Jbs,0, "JPS %p" },
-[0x7b] = { Jbs,0, "JPC %p" },
-[0x7c] = { Jbs,0, "JLT %p" },
-[0x7d] = { Jbs,0, "JGE %p" },
-[0x7e] = { Jbs,0, "JLE %p" },
-[0x7f] = { Jbs,0, "JGT %p" },
-[0x80] = { RMOPB,0, optab80 },
-[0x81] = { RMOP,0, optab81 },
-[0x83] = { RMOP,0, optab83 },
-[0x84] = { RMB,0, "TESTB %r,%e" },
-[0x85] = { RM,0, "TEST%S %r,%e" },
-[0x86] = { RMB,0, "XCHGB %r,%e" },
-[0x87] = { RM,0, "XCHG%S %r,%e" },
-[0x88] = { RMB,0, "MOVB %r,%e" },
-[0x89] = { RM,0, "MOV%S %r,%e" },
-[0x8a] = { RMB,0, "MOVB %e,%r" },
-[0x8b] = { RM,0, "MOV%S %e,%r" },
-[0x8c] = { RM,0, "MOVW %g,%e" },
-[0x8d] = { RM,0, "LEA%S %e,%r" },
-[0x8e] = { RM,0, "MOVW %e,%g" },
-[0x8f] = { RM,0, "POP%S %e" },
-[0x90] = { 0,0, "NOP" },
-[0x91] = { 0,0, "XCHG %OCX,%OAX" },
-[0x92] = { 0,0, "XCHG %ODX,%OAX" },
-[0x93] = { 0,0, "XCHG %OBX,%OAX" },
-[0x94] = { 0,0, "XCHG %OSP,%OAX" },
-[0x95] = { 0,0, "XCHG %OBP,%OAX" },
-[0x96] = { 0,0, "XCHG %OSI,%OAX" },
-[0x97] = { 0,0, "XCHG %ODI,%OAX" },
-[0x98] = { 0,0, "%W" }, /* miserable CBW or CWDE */
-[0x99] = { 0,0, "%w" }, /* idiotic CWD or CDQ */
-[0x9a] = { PTR,0, "CALL%S %d" },
-[0x9b] = { 0,0, "WAIT" },
-[0x9c] = { 0,0, "PUSHF" },
-[0x9d] = { 0,0, "POPF" },
-[0x9e] = { 0,0, "SAHF" },
-[0x9f] = { 0,0, "LAHF" },
-[0xa0] = { Awd,0, "MOVB %i,AL" },
-[0xa1] = { Awd,0, "MOV%S %i,%OAX" },
-[0xa2] = { Awd,0, "MOVB AL,%i" },
-[0xa3] = { Awd,0, "MOV%S %OAX,%i" },
-[0xa4] = { 0,0, "MOVSB (%ASI),(%ADI)" },
-[0xa5] = { 0,0, "MOVS%S (%ASI),(%ADI)" },
-[0xa6] = { 0,0, "CMPSB (%ASI),(%ADI)" },
-[0xa7] = { 0,0, "CMPS%S (%ASI),(%ADI)" },
-[0xa8] = { Ib,0, "TESTB %i,AL" },
-[0xa9] = { Iwd,0, "TEST%S %i,%OAX" },
-[0xaa] = { 0,0, "STOSB AL,(%ADI)" },
-[0xab] = { 0,0, "STOS%S %OAX,(%ADI)" },
-[0xac] = { 0,0, "LODSB (%ASI),AL" },
-[0xad] = { 0,0, "LODS%S (%ASI),%OAX" },
-[0xae] = { 0,0, "SCASB (%ADI),AL" },
-[0xaf] = { 0,0, "SCAS%S (%ADI),%OAX" },
-[0xb0] = { Ib,0, "MOVB %i,AL" },
-[0xb1] = { Ib,0, "MOVB %i,CL" },
-[0xb2] = { Ib,0, "MOVB %i,DL" },
-[0xb3] = { Ib,0, "MOVB %i,BL" },
-[0xb4] = { Ib,0, "MOVB %i,AH" },
-[0xb5] = { Ib,0, "MOVB %i,CH" },
-[0xb6] = { Ib,0, "MOVB %i,DH" },
-[0xb7] = { Ib,0, "MOVB %i,BH" },
-[0xb8] = { Iwdq,0, "MOV%S %i,%OAX" },
-[0xb9] = { Iwdq,0, "MOV%S %i,%OCX" },
-[0xba] = { Iwdq,0, "MOV%S %i,%ODX" },
-[0xbb] = { Iwdq,0, "MOV%S %i,%OBX" },
-[0xbc] = { Iwdq,0, "MOV%S %i,%OSP" },
-[0xbd] = { Iwdq,0, "MOV%S %i,%OBP" },
-[0xbe] = { Iwdq,0, "MOV%S %i,%OSI" },
-[0xbf] = { Iwdq,0, "MOV%S %i,%ODI" },
-[0xc0] = { RMOPB,0, optabC0 },
-[0xc1] = { RMOP,0, optabC1 },
-[0xc2] = { Iw,0, "RET %i" },
-[0xc3] = { RET,0, "RET" },
-[0xc4] = { RM,0, "LES %e,%r" },
-[0xc5] = { RM,0, "LDS %e,%r" },
-[0xc6] = { RMB,Ib, "MOVB %i,%e" },
-[0xc7] = { RM,Iwd, "MOV%S %i,%e" },
-[0xc8] = { Iw2,Ib, "ENTER %i,%I" }, /* loony ENTER */
-[0xc9] = { RET,0, "LEAVE" }, /* bizarre LEAVE */
-[0xca] = { Iw,0, "RETF %i" },
-[0xcb] = { RET,0, "RETF" },
-[0xcc] = { 0,0, "INT 3" },
-[0xcd] = { Ib,0, "INTB %i" },
-[0xce] = { 0,0, "INTO" },
-[0xcf] = { 0,0, "IRET" },
-[0xd0] = { RMOPB,0, optabD0 },
-[0xd1] = { RMOP,0, optabD1 },
-[0xd2] = { RMOPB,0, optabD2 },
-[0xd3] = { RMOP,0, optabD3 },
-[0xd4] = { OA,0, "AAM" },
-[0xd5] = { OA,0, "AAD" },
-[0xd7] = { 0,0, "XLAT" },
-[0xd8] = { FRMOP,0, optabD8 },
-[0xd9] = { FRMEX,0, optabD9 },
-[0xda] = { FRMOP,0, optabDA },
-[0xdb] = { FRMEX,0, optabDB },
-[0xdc] = { FRMOP,0, optabDC },
-[0xdd] = { FRMOP,0, optabDD },
-[0xde] = { FRMOP,0, optabDE },
-[0xdf] = { FRMOP,0, optabDF },
-[0xe0] = { Jbs,0, "LOOPNE %p" },
-[0xe1] = { Jbs,0, "LOOPE %p" },
-[0xe2] = { Jbs,0, "LOOP %p" },
-[0xe3] = { Jbs,0, "JCXZ %p" },
-[0xe4] = { Ib,0, "INB %i,AL" },
-[0xe5] = { Ib,0, "IN%S %i,%OAX" },
-[0xe6] = { Ib,0, "OUTB AL,%i" },
-[0xe7] = { Ib,0, "OUT%S %OAX,%i" },
-[0xe8] = { Iwds,0, "CALL %p" },
-[0xe9] = { Iwds,0, "JMP %p" },
-[0xea] = { PTR,0, "JMP %d" },
-[0xeb] = { Jbs,0, "JMP %p" },
-[0xec] = { 0,0, "INB DX,AL" },
-[0xed] = { 0,0, "IN%S DX,%OAX" },
-[0xee] = { 0,0, "OUTB AL,DX" },
-[0xef] = { 0,0, "OUT%S %OAX,DX" },
-[0xf0] = { PRE,0, "LOCK" },
-[0xf2] = { OPRE,0, "REPNE" },
-[0xf3] = { OPRE,0, "REP" },
-[0xf4] = { 0,0, "HLT" },
-[0xf5] = { 0,0, "CMC" },
-[0xf6] = { RMOPB,0, optabF6 },
-[0xf7] = { RMOP,0, optabF7 },
-[0xf8] = { 0,0, "CLC" },
-[0xf9] = { 0,0, "STC" },
-[0xfa] = { 0,0, "CLI" },
-[0xfb] = { 0,0, "STI" },
-[0xfc] = { 0,0, "CLD" },
-[0xfd] = { 0,0, "STD" },
-[0xfe] = { RMOPB,0, optabFE },
-[0xff] = { RMOP,0, optabFF },
-[0x100] = { RM,0, "MOVLQSX %e,%r" },
-[0x101] = { RM,0, "MOVLQZX %e,%r" },
-};
-
-/*
- * get a byte of the instruction
- */
-static int
-igetc(Map *map, Instr *ip, uchar *c)
-{
- if(ip->n+1 > sizeof(ip->mem)){
- werrstr("instruction too long");
- return -1;
- }
- if (get1(map, ip->addr+ip->n, c, 1) < 0) {
- werrstr("can't read instruction: %r");
- return -1;
- }
- ip->mem[ip->n++] = *c;
- return 1;
-}
-
-/*
- * get two bytes of the instruction
- */
-static int
-igets(Map *map, Instr *ip, ushort *sp)
-{
- uchar c;
- ushort s;
-
- if (igetc(map, ip, &c) < 0)
- return -1;
- s = c;
- if (igetc(map, ip, &c) < 0)
- return -1;
- s |= (c<<8);
- *sp = s;
- return 1;
-}
-
-/*
- * get 4 bytes of the instruction
- */
-static int
-igetl(Map *map, Instr *ip, uint32 *lp)
-{
- ushort s;
- int32 l;
-
- if (igets(map, ip, &s) < 0)
- return -1;
- l = s;
- if (igets(map, ip, &s) < 0)
- return -1;
- l |= (s<<16);
- *lp = l;
- return 1;
-}
-
-/*
- * get 8 bytes of the instruction
- *
-static int
-igetq(Map *map, Instr *ip, vlong *qp)
-{
- uint32 l;
- uvlong q;
-
- if (igetl(map, ip, &l) < 0)
- return -1;
- q = l;
- if (igetl(map, ip, &l) < 0)
- return -1;
- q |= ((uvlong)l<<32);
- *qp = q;
- return 1;
-}
- */
-
-static int
-getdisp(Map *map, Instr *ip, int mod, int rm, int code, int pcrel)
-{
- uchar c;
- ushort s;
-
- if (mod > 2)
- return 1;
- if (mod == 1) {
- if (igetc(map, ip, &c) < 0)
- return -1;
- if (c&0x80)
- ip->disp = c|0xffffff00;
- else
- ip->disp = c&0xff;
- } else if (mod == 2 || rm == code) {
- if (ip->asize == 'E') {
- if (igetl(map, ip, &ip->disp) < 0)
- return -1;
- if (mod == 0)
- ip->rip = pcrel;
- } else {
- if (igets(map, ip, &s) < 0)
- return -1;
- if (s&0x8000)
- ip->disp = s|0xffff0000;
- else
- ip->disp = s;
- }
- if (mod == 0)
- ip->base = -1;
- }
- return 1;
-}
-
-static int
-modrm(Map *map, Instr *ip, uchar c)
-{
- uchar rm, mod;
-
- mod = (c>>6)&3;
- rm = c&7;
- ip->mod = mod;
- ip->base = rm;
- ip->reg = (c>>3)&7;
- ip->rip = 0;
- if (mod == 3) /* register */
- return 1;
- if (ip->asize == 0) { /* 16-bit mode */
- switch(rm) {
- case 0:
- ip->base = BX; ip->index = SI;
- break;
- case 1:
- ip->base = BX; ip->index = DI;
- break;
- case 2:
- ip->base = BP; ip->index = SI;
- break;
- case 3:
- ip->base = BP; ip->index = DI;
- break;
- case 4:
- ip->base = SI;
- break;
- case 5:
- ip->base = DI;
- break;
- case 6:
- ip->base = BP;
- break;
- case 7:
- ip->base = BX;
- break;
- default:
- break;
- }
- return getdisp(map, ip, mod, rm, 6, 0);
- }
- if (rm == 4) { /* scummy sib byte */
- if (igetc(map, ip, &c) < 0)
- return -1;
- ip->ss = (c>>6)&0x03;
- ip->index = (c>>3)&0x07;
- if (ip->index == 4)
- ip->index = -1;
- ip->base = c&0x07;
- return getdisp(map, ip, mod, ip->base, 5, 0);
- }
- return getdisp(map, ip, mod, rm, 5, ip->amd64);
-}
-
-static Optable *
-mkinstr(Map *map, Instr *ip, uvlong pc)
-{
- int i, n, norex;
- uchar c;
- ushort s;
- Optable *op, *obase;
- char buf[128];
-
- memset(ip, 0, sizeof(*ip));
- norex = 1;
- ip->base = -1;
- ip->index = -1;
- if(asstype == AI8086)
- ip->osize = 'W';
- else {
- ip->osize = 'L';
- ip->asize = 'E';
- ip->amd64 = asstype != AI386;
- norex = 0;
- }
- ip->addr = pc;
- if (igetc(map, ip, &c) < 0)
- return 0;
- obase = optable;
-newop:
- if(ip->amd64 && !norex){
- if(c >= 0x40 && c <= 0x4f) {
- ip->rex = c;
- if(igetc(map, ip, &c) < 0)
- return 0;
- }
- if(c == 0x63){
- if(ip->rex&REXW)
- op = &obase[0x100]; /* MOVLQSX */
- else
- op = &obase[0x101]; /* MOVLQZX */
- goto hack;
- }
- }
- op = &obase[c];
-hack:
- if (op->proto == 0) {
-badop:
- n = snprint(buf, sizeof(buf), "opcode: ??");
- for (i = 0; i < ip->n && n < sizeof(buf)-3; i++, n+=2)
- _hexify(buf+n, ip->mem[i], 1);
- strcpy(buf+n, "??");
- werrstr(buf);
- return 0;
- }
- for(i = 0; i < 2 && op->operand[i]; i++) {
- switch(op->operand[i]) {
- case Ib: /* 8-bit immediate - (no sign extension)*/
- if (igetc(map, ip, &c) < 0)
- return 0;
- ip->imm = c&0xff;
- ip->imm64 = ip->imm;
- break;
- case Jbs: /* 8-bit jump immediate (sign extended) */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (c&0x80)
- ip->imm = c|0xffffff00;
- else
- ip->imm = c&0xff;
- ip->imm64 = (int32)ip->imm;
- ip->jumptype = Jbs;
- break;
- case Ibs: /* 8-bit immediate (sign extended) */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (c&0x80)
- if (ip->osize == 'L')
- ip->imm = c|0xffffff00;
- else
- ip->imm = c|0xff00;
- else
- ip->imm = c&0xff;
- ip->imm64 = (int32)ip->imm;
- break;
- case Iw: /* 16-bit immediate -> imm */
- if (igets(map, ip, &s) < 0)
- return 0;
- ip->imm = s&0xffff;
- ip->imm64 = ip->imm;
- ip->jumptype = Iw;
- break;
- case Iw2: /* 16-bit immediate -> in imm2*/
- if (igets(map, ip, &s) < 0)
- return 0;
- ip->imm2 = s&0xffff;
- break;
- case Iwd: /* Operand-sized immediate (no sign extension unless 64 bits)*/
- if (ip->osize == 'L') {
- if (igetl(map, ip, &ip->imm) < 0)
- return 0;
- ip->imm64 = ip->imm;
- if(ip->rex&REXW && (ip->imm & (1<<31)) != 0)
- ip->imm64 |= (vlong)~0 << 32;
- } else {
- if (igets(map, ip, &s)< 0)
- return 0;
- ip->imm = s&0xffff;
- ip->imm64 = ip->imm;
- }
- break;
- case Iwdq: /* Operand-sized immediate, possibly big */
- if (ip->osize == 'L') {
- if (igetl(map, ip, &ip->imm) < 0)
- return 0;
- ip->imm64 = ip->imm;
- if (ip->rex & REXW) {
- uint32 l;
- if (igetl(map, ip, &l) < 0)
- return 0;
- ip->imm64 |= (uvlong)l << 32;
- }
- } else {
- if (igets(map, ip, &s)< 0)
- return 0;
- ip->imm = s&0xffff;
- }
- break;
- case Awd: /* Address-sized immediate (no sign extension)*/
- if (ip->asize == 'E') {
- if (igetl(map, ip, &ip->imm) < 0)
- return 0;
- /* TO DO: REX */
- } else {
- if (igets(map, ip, &s)< 0)
- return 0;
- ip->imm = s&0xffff;
- }
- break;
- case Iwds: /* Operand-sized immediate (sign extended) */
- if (ip->osize == 'L') {
- if (igetl(map, ip, &ip->imm) < 0)
- return 0;
- } else {
- if (igets(map, ip, &s)< 0)
- return 0;
- if (s&0x8000)
- ip->imm = s|0xffff0000;
- else
- ip->imm = s&0xffff;
- }
- ip->jumptype = Iwds;
- break;
- case OA: /* literal 0x0a byte */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (c != 0x0a)
- goto badop;
- break;
- case Op_R0: /* base register must be R0 */
- if (ip->base != 0)
- goto badop;
- break;
- case Op_R1: /* base register must be R1 */
- if (ip->base != 1)
- goto badop;
- break;
- case RMB: /* R/M field with byte register (/r)*/
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (modrm(map, ip, c) < 0)
- return 0;
- ip->osize = 'B';
- break;
- case RM: /* R/M field with register (/r) */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (modrm(map, ip, c) < 0)
- return 0;
- break;
- case RMOPB: /* R/M field with op code (/digit) */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (modrm(map, ip, c) < 0)
- return 0;
- c = ip->reg; /* secondary op code */
- obase = (Optable*)op->proto;
- ip->osize = 'B';
- goto newop;
- case RMOP: /* R/M field with op code (/digit) */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (modrm(map, ip, c) < 0)
- return 0;
- obase = (Optable*)op->proto;
- if(ip->amd64 && obase == optab0F01 && c == 0xF8)
- return optab0F01F8;
- c = ip->reg;
- goto newop;
- case FRMOP: /* FP R/M field with op code (/digit) */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (modrm(map, ip, c) < 0)
- return 0;
- if ((c&0xc0) == 0xc0)
- c = ip->reg+8; /* 16 entry table */
- else
- c = ip->reg;
- obase = (Optable*)op->proto;
- goto newop;
- case FRMEX: /* Extended FP R/M field with op code (/digit) */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (modrm(map, ip, c) < 0)
- return 0;
- if ((c&0xc0) == 0xc0)
- c = (c&0x3f)+8; /* 64-entry table */
- else
- c = ip->reg;
- obase = (Optable*)op->proto;
- goto newop;
- case RMR: /* R/M register only (mod = 11) */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if ((c&0xc0) != 0xc0) {
- werrstr("invalid R/M register: %x", c);
- return 0;
- }
- if (modrm(map, ip, c) < 0)
- return 0;
- break;
- case RMM: /* R/M register only (mod = 11) */
- if (igetc(map, ip, &c) < 0)
- return 0;
- if ((c&0xc0) == 0xc0) {
- werrstr("invalid R/M memory mode: %x", c);
- return 0;
- }
- if (modrm(map, ip, c) < 0)
- return 0;
- break;
- case PTR: /* Seg:Displacement addr (ptr16:16 or ptr16:32) */
- if (ip->osize == 'L') {
- if (igetl(map, ip, &ip->disp) < 0)
- return 0;
- } else {
- if (igets(map, ip, &s)< 0)
- return 0;
- ip->disp = s&0xffff;
- }
- if (igets(map, ip, (ushort*)&ip->seg) < 0)
- return 0;
- ip->jumptype = PTR;
- break;
- case AUXMM: /* Multi-byte op code; prefix determines table selection */
- if (igetc(map, ip, &c) < 0)
- return 0;
- obase = (Optable*)op->proto;
- switch (ip->opre) {
- case 0x66:
- op = optab660F;
- break;
- case 0xF2:
- op = optabF20F;
- ip->prefix = 0; /* discard REPNE */
- break;
- case 0xF3:
- op = optabF30F;
- ip->prefix = 0; /* discard REP */
- break;
- default:
- op = nil;
- break;
- }
- if(op != nil && op[c].proto != nil)
- obase = op;
- /* otherwise the optab entry captures it */
- goto newop;
- case AUX: /* Multi-byte op code - Auxiliary table */
- obase = (Optable*)op->proto;
- if (igetc(map, ip, &c) < 0)
- return 0;
- goto newop;
- case OPRE: /* Instr Prefix or media op */
- ip->opre = c;
- /* fall through */
- case PRE: /* Instr Prefix */
- ip->prefix = (char*)op->proto;
- if (igetc(map, ip, &c) < 0)
- return 0;
- goto newop;
- case SEG: /* Segment Prefix */
- ip->segment = (char*)op->proto;
- if (igetc(map, ip, &c) < 0)
- return 0;
- goto newop;
- case OPOVER: /* Operand size override */
- ip->opre = c;
- ip->osize = 'W';
- if (igetc(map, ip, &c) < 0)
- return 0;
- if (c == 0x0F)
- ip->osize = 'L';
- else if (ip->amd64 && (c&0xF0) == 0x40)
- ip->osize = 'Q';
- goto newop;
- case ADDOVER: /* Address size override */
- ip->asize = 0;
- if (igetc(map, ip, &c) < 0)
- return 0;
- goto newop;
- case JUMP: /* mark instruction as JUMP or RET */
- case RET:
- ip->jumptype = op->operand[i];
- break;
- default:
- werrstr("bad operand type %d", op->operand[i]);
- return 0;
- }
- }
- return op;
-}
-
-#pragma varargck argpos bprint 2
-
-static void
-bprint(Instr *ip, char *fmt, ...)
-{
- va_list arg;
-
- va_start(arg, fmt);
- ip->curr = vseprint(ip->curr, ip->end, fmt, arg);
- va_end(arg);
-}
-
-/*
- * if we want to call 16 bit regs AX,BX,CX,...
- * and 32 bit regs EAX,EBX,ECX,... then
- * change the defs of ANAME and ONAME to:
- * #define ANAME(ip) ((ip->asize == 'E' ? "E" : "")
- * #define ONAME(ip) ((ip)->osize == 'L' ? "E" : "")
- */
-#define ANAME(ip) ""
-#define ONAME(ip) ""
-
-static char *reg[] = {
-[AX] = "AX",
-[CX] = "CX",
-[DX] = "DX",
-[BX] = "BX",
-[SP] = "SP",
-[BP] = "BP",
-[SI] = "SI",
-[DI] = "DI",
-
- /* amd64 */
-[AMD64_R8] = "R8",
-[AMD64_R9] = "R9",
-[AMD64_R10] = "R10",
-[AMD64_R11] = "R11",
-[AMD64_R12] = "R12",
-[AMD64_R13] = "R13",
-[AMD64_R14] = "R14",
-[AMD64_R15] = "R15",
-};
-
-static char *breg[] = { "AL", "CL", "DL", "BL", "AH", "CH", "DH", "BH" };
-static char *breg64[] = { "AL", "CL", "DL", "BL", "SPB", "BPB", "SIB", "DIB",
- "R8B", "R9B", "R10B", "R11B", "R12B", "R13B", "R14B", "R15B" };
-static char *sreg[] = { "ES", "CS", "SS", "DS", "FS", "GS" };
-
-static void
-plocal(Instr *ip)
-{
- int ret;
- int32 offset;
- Symbol s;
- char *reg;
-
- offset = ip->disp;
- if (!findsym(ip->addr, CTEXT, &s) || !findlocal(&s, FRAMENAME, &s)) {
- bprint(ip, "%ux(SP)", offset);
- return;
- }
-
- if (s.value > ip->disp) {
- ret = getauto(&s, s.value-ip->disp-mach->szaddr, CAUTO, &s);
- reg = "(SP)";
- } else {
- offset -= s.value;
- ret = getauto(&s, offset, CPARAM, &s);
- reg = "(FP)";
- }
- if (ret)
- bprint(ip, "%s+", s.name);
- else
- offset = ip->disp;
- bprint(ip, "%ux%s", offset, reg);
-}
-
-static int
-isjmp(Instr *ip)
-{
- switch(ip->jumptype){
- case Iwds:
- case Jbs:
- case JUMP:
- return 1;
- default:
- return 0;
- }
-}
-
-/*
- * This is too smart for its own good, but it really is nice
- * to have accurate translations when debugging, and it
- * helps us identify which code is different in binaries that
- * are changed on sources.
- */
-static int
-issymref(Instr *ip, Symbol *s, int32 w, int32 val)
-{
- Symbol next, tmp;
- int32 isstring, size;
-
- if (isjmp(ip))
- return 1;
- if (s->class==CTEXT && w==0)
- return 1;
- if (s->class==CDATA) {
- /* use first bss symbol (or "end") rather than edata */
- if (s->name[0]=='e' && strcmp(s->name, "edata") == 0){
- if((s ->index >= 0 && globalsym(&tmp, s->index+1) && tmp.value==s->value)
- || (s->index > 0 && globalsym(&tmp, s->index-1) && tmp.value==s->value))
- *s = tmp;
- }
- if (w == 0)
- return 1;
- for (next=*s; next.value==s->value; next=tmp)
- if (!globalsym(&tmp, next.index+1))
- break;
- size = next.value - s->value;
- if (w >= size)
- return 0;
- if (w > size-w)
- w = size-w;
- /* huge distances are usually wrong except in .string */
- isstring = (s->name[0]=='.' && strcmp(s->name, ".string") == 0);
- if (w > 8192 && !isstring)
- return 0;
- /* medium distances are tricky - look for constants */
- /* near powers of two */
- if ((val&(val-1)) == 0 || (val&(val+1)) == 0)
- return 0;
- return 1;
- }
- return 0;
-}
-
-static void
-immediate(Instr *ip, vlong val)
-{
- Symbol s;
- int32 w;
-
- if (findsym(val, CANY, &s)) { /* TO DO */
- w = val - s.value;
- if (w < 0)
- w = -w;
- if (issymref(ip, &s, w, val)) {
- if (w)
- bprint(ip, "%s+%#ux(SB)", s.name, w);
- else
- bprint(ip, "%s(SB)", s.name);
- return;
- }
-/*
- if (s.class==CDATA && globalsym(&s, s.index+1)) {
- w = s.value - val;
- if (w < 0)
- w = -w;
- if (w < 4096) {
- bprint(ip, "%s-%#lux(SB)", s.name, w);
- return;
- }
- }
-*/
- }
- if((ip->rex & REXW) == 0)
- bprint(ip, "%lux", (long)val);
- else
- bprint(ip, "%llux", val);
-}
-
-static void
-pea(Instr *ip)
-{
- int base;
-
- base = ip->base;
- if(base >= 0 && (ip->rex & REXB))
- base += 8;
-
- if (ip->mod == 3) {
- if (ip->osize == 'B')
- bprint(ip, (ip->rex & REXB? breg64: breg)[(uchar)ip->base]);
- else
- bprint(ip, "%s%s", ANAME(ip), reg[base]);
- return;
- }
-
- if (ip->segment)
- bprint(ip, ip->segment);
- if (ip->asize == 'E' && base == SP)
- plocal(ip);
- else {
- if (ip->base < 0)
- immediate(ip, ip->disp);
- else {
- bprint(ip, "%ux", ip->disp);
- if(ip->rip)
- bprint(ip, "(RIP)");
- bprint(ip,"(%s%s)", ANAME(ip), reg[ip->rex&REXB? ip->base+8: ip->base]);
- }
- }
- if (ip->index >= 0)
- bprint(ip,"(%s%s*%d)", ANAME(ip), reg[ip->rex&REXX? ip->index+8: ip->index], 1<<ip->ss);
-}
-
-static void
-prinstr(Instr *ip, char *fmt)
-{
- int sharp;
- vlong v;
-
- if (ip->prefix)
- bprint(ip, "%s ", ip->prefix);
- for (; *fmt && ip->curr < ip->end; fmt++) {
- if (*fmt != '%'){
- *ip->curr++ = *fmt;
- continue;
- }
- sharp = 0;
- if(*++fmt == '#') {
- sharp = 1;
- ++fmt;
- }
- switch(*fmt){
- case '%':
- *ip->curr++ = '%';
- break;
- case 'A':
- bprint(ip, "%s", ANAME(ip));
- break;
- case 'C':
- bprint(ip, "CR%d", ip->reg);
- break;
- case 'D':
- if (ip->reg < 4 || ip->reg == 6 || ip->reg == 7)
- bprint(ip, "DR%d",ip->reg);
- else
- bprint(ip, "???");
- break;
- case 'I':
- bprint(ip, "$");
- immediate(ip, ip->imm2);
- break;
- case 'O':
- bprint(ip,"%s", ONAME(ip));
- break;
- case 'i':
- if(!sharp)
- bprint(ip, "$");
- v = ip->imm;
- if(ip->rex & REXW)
- v = ip->imm64;
- immediate(ip, v);
- break;
- case 'R':
- bprint(ip, "%s%s", ONAME(ip), reg[ip->rex&REXR? ip->reg+8: ip->reg]);
- break;
- case 'S':
- if(ip->osize == 'Q' || ip->osize == 'L' && ip->rex & REXW)
- bprint(ip, "Q");
- else
- bprint(ip, "%c", ip->osize);
- break;
- case 's':
- if(ip->opre == 0 || ip->opre == 0x66)
- bprint(ip, "P");
- else
- bprint(ip, "S");
- if(ip->opre == 0xf2 || ip->opre == 0x66)
- bprint(ip, "D");
- else
- bprint(ip, "S");
- break;
- case 'T':
- if (ip->reg == 6 || ip->reg == 7)
- bprint(ip, "TR%d",ip->reg);
- else
- bprint(ip, "???");
- break;
- case 'W':
- if (ip->osize == 'Q' || ip->osize == 'L' && ip->rex & REXW)
- bprint(ip, "CDQE");
- else if (ip->osize == 'L')
- bprint(ip,"CWDE");
- else
- bprint(ip, "CBW");
- break;
- case 'd':
- bprint(ip,"%ux:%ux", ip->seg, ip->disp);
- break;
- case 'm':
- if (ip->mod == 3 && ip->osize != 'B') {
- if(fmt[1] != '*'){
- if(ip->opre != 0) {
- bprint(ip, "X%d", ip->rex&REXB? ip->base+8: ip->base);
- break;
- }
- } else
- fmt++;
- bprint(ip, "M%d", ip->base);
- break;
- }
- pea(ip);
- break;
- case 'e':
- pea(ip);
- break;
- case 'f':
- bprint(ip, "F%d", ip->base);
- break;
- case 'g':
- if (ip->reg < 6)
- bprint(ip,"%s",sreg[ip->reg]);
- else
- bprint(ip,"???");
- break;
- case 'p':
- /*
- * signed immediate in the uint32 ip->imm.
- */
- v = (int32)ip->imm;
- immediate(ip, v+ip->addr+ip->n);
- break;
- case 'r':
- if (ip->osize == 'B')
- bprint(ip,"%s", (ip->rex? breg64: breg)[ip->rex&REXR? ip->reg+8: ip->reg]);
- else
- bprint(ip, reg[ip->rex&REXR? ip->reg+8: ip->reg]);
- break;
- case 'w':
- if (ip->osize == 'Q' || ip->rex & REXW)
- bprint(ip, "CQO");
- else if (ip->osize == 'L')
- bprint(ip,"CDQ");
- else
- bprint(ip, "CWD");
- break;
- case 'M':
- if(ip->opre != 0)
- bprint(ip, "X%d", ip->rex&REXR? ip->reg+8: ip->reg);
- else
- bprint(ip, "M%d", ip->reg);
- break;
- case 'x':
- if (ip->mod == 3 && ip->osize != 'B') {
- bprint(ip, "X%d", ip->rex&REXB? ip->base+8: ip->base);
- break;
- }
- pea(ip);
- break;
- case 'X':
- bprint(ip, "X%d", ip->rex&REXR? ip->reg+8: ip->reg);
- break;
- default:
- bprint(ip, "%%%c", *fmt);
- break;
- }
- }
- *ip->curr = 0; /* there's always room for 1 byte */
-}
-
-static int
-i386inst(Map *map, uvlong pc, char modifier, char *buf, int n)
-{
- Instr instr;
- Optable *op;
-
- USED(modifier);
- op = mkinstr(map, &instr, pc);
- if (op == 0) {
- errstr(buf, n);
- return -1;
- }
- instr.curr = buf;
- instr.end = buf+n-1;
- prinstr(&instr, op->proto);
- return instr.n;
-}
-
-static int
-i386das(Map *map, uvlong pc, char *buf, int n)
-{
- Instr instr;
- int i;
-
- if (mkinstr(map, &instr, pc) == 0) {
- errstr(buf, n);
- return -1;
- }
- for(i = 0; i < instr.n && n > 2; i++) {
- _hexify(buf, instr.mem[i], 1);
- buf += 2;
- n -= 2;
- }
- *buf = 0;
- return instr.n;
-}
-
-static int
-i386instlen(Map *map, uvlong pc)
-{
- Instr i;
-
- if (mkinstr(map, &i, pc))
- return i.n;
- return -1;
-}
-
-static int
-i386foll(Map *map, uvlong pc, Rgetter rget, uvlong *foll)
-{
- Instr i;
- Optable *op;
- ushort s;
- uvlong l, addr;
- vlong v;
- int n;
-
- op = mkinstr(map, &i, pc);
- if (!op)
- return -1;
-
- n = 0;
-
- switch(i.jumptype) {
- case RET: /* RETURN or LEAVE */
- case Iw: /* RETURN */
- if (strcmp(op->proto, "LEAVE") == 0) {
- if (geta(map, (*rget)(map, "BP"), &l) < 0)
- return -1;
- } else if (geta(map, (*rget)(map, mach->sp), &l) < 0)
- return -1;
- foll[0] = l;
- return 1;
- case Iwds: /* pc relative JUMP or CALL*/
- case Jbs: /* pc relative JUMP or CALL */
- v = (int32)i.imm;
- foll[0] = pc+v+i.n;
- n = 1;
- break;
- case PTR: /* seg:displacement JUMP or CALL */
- foll[0] = (i.seg<<4)+i.disp;
- return 1;
- case JUMP: /* JUMP or CALL EA */
-
- if(i.mod == 3) {
- foll[0] = (*rget)(map, reg[i.rex&REXB? i.base+8: i.base]);
- return 1;
- }
- /* calculate the effective address */
- addr = i.disp;
- if (i.base >= 0) {
- if (geta(map, (*rget)(map, reg[i.rex&REXB? i.base+8: i.base]), &l) < 0)
- return -1;
- addr += l;
- }
- if (i.index >= 0) {
- if (geta(map, (*rget)(map, reg[i.rex&REXX? i.index+8: i.index]), &l) < 0)
- return -1;
- addr += l*(1<<i.ss);
- }
- /* now retrieve a seg:disp value at that address */
- if (get2(map, addr, &s) < 0) /* seg */
- return -1;
- foll[0] = s<<4;
- addr += 2;
- if (i.asize == 'L') {
- if (geta(map, addr, &l) < 0) /* disp32 */
- return -1;
- foll[0] += l;
- } else { /* disp16 */
- if (get2(map, addr, &s) < 0)
- return -1;
- foll[0] += s;
- }
- return 1;
- default:
- break;
- }
- if (strncmp(op->proto,"JMP", 3) == 0 || strncmp(op->proto,"CALL", 4) == 0)
- return 1;
- foll[n++] = pc+i.n;
- return n;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 13:40:06 +0000