disassembler_x86.cc revision e443a8063518fb1c5229afa3081b9fd1f6d33b16
1706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers/* 2706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * Copyright (C) 2012 The Android Open Source Project 3706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * 4706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * Licensed under the Apache License, Version 2.0 (the "License"); 5706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * you may not use this file except in compliance with the License. 6706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * You may obtain a copy of the License at 7706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * 8706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * http://www.apache.org/licenses/LICENSE-2.0 9706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * 10706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * Unless required by applicable law or agreed to in writing, software 11706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * distributed under the License is distributed on an "AS IS" BASIS, 12706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * See the License for the specific language governing permissions and 14706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * limitations under the License. 15706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers */ 16706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 17706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#include "disassembler_x86.h" 18706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 19706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#include <iostream> 20706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 2107ed66b5ae659c452cbe1ab20c3dbf1d6f546461Elliott Hughes#include "base/logging.h" 22e222ee0b794f941af4fb1b32fb8224e32942ea7bElliott Hughes#include "base/stringprintf.h" 2392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes#include "thread.h" 245192cbb12856b12620dc346758605baaa1469cedYixin Shou#include <inttypes.h> 250f3c55331439970e01af67f80ac117c473bc04cfElliott Hughes 26706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersnamespace art { 27706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersnamespace x86 { 28706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 29b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogerssize_t DisassemblerX86::Dump(std::ostream& os, const uint8_t* begin) { 30b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers return DumpInstruction(os, begin); 31b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers} 32b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers 33706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersvoid DisassemblerX86::Dump(std::ostream& os, const uint8_t* begin, const uint8_t* end) { 34706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t length = 0; 35706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (const uint8_t* cur = begin; cur < end; cur += length) { 36706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers length = DumpInstruction(os, cur); 37706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 38706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 39706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 40122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic const char* gReg8Names[] = { 41122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh" 42122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov}; 43122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic const char* gExtReg8Names[] = { 44122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil", 45122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l" 46122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov}; 47122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic const char* gReg16Names[] = { 48122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", 49122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w" 50122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov}; 51122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic const char* gReg32Names[] = { 52122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", 53122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" 54122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov}; 5538e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogersstatic const char* gReg64Names[] = { 5638e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", 5738e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" 5838e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers}; 59706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 60a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell// 64-bit opcode REX modifier. 61a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendellconstexpr uint8_t REX_W = 0b1000; 62a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendellconstexpr uint8_t REX_R = 0b0100; 63a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendellconstexpr uint8_t REX_X = 0b0010; 64a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendellconstexpr uint8_t REX_B = 0b0001; 65a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell 6638e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogersstatic void DumpReg0(std::ostream& os, uint8_t rex, size_t reg, 67706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool byte_operand, uint8_t size_override) { 6838e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers DCHECK_LT(reg, (rex == 0) ? 8u : 16u); 69a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_w = (rex & REX_W) != 0; 70122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov if (byte_operand) { 71122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << ((rex == 0) ? gReg8Names[reg] : gExtReg8Names[reg]); 72122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else if (rex_w) { 73122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg64Names[reg]; 74122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else if (size_override == 0x66) { 75122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg16Names[reg]; 76122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else { 77122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg32Names[reg]; 78706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 79706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 80706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 81bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogersenum RegFile { GPR, MMX, SSE }; 82bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers 8388649c790cb437c130dcb6e428cddeb1ae62601cMark Mendellstatic void DumpAnyReg(std::ostream& os, uint8_t rex, size_t reg, 84122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov bool byte_operand, uint8_t size_override, RegFile reg_file) { 85122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov if (reg_file == GPR) { 86122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpReg0(os, rex, reg, byte_operand, size_override); 87122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else if (reg_file == SSE) { 88122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << "xmm" << reg; 89122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else { 90122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << "mm" << reg; 91122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } 92122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov} 93122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov 94706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic void DumpReg(std::ostream& os, uint8_t rex, uint8_t reg, 95bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers bool byte_operand, uint8_t size_override, RegFile reg_file) { 96a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_r = (rex & REX_R) != 0; 9738e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers size_t reg_num = rex_r ? (reg + 8) : reg; 98122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpAnyReg(os, rex, reg_num, byte_operand, size_override, reg_file); 99122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov} 100122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov 101122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic void DumpRmReg(std::ostream& os, uint8_t rex, uint8_t reg, 102122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov bool byte_operand, uint8_t size_override, RegFile reg_file) { 103a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_b = (rex & REX_B) != 0; 104122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov size_t reg_num = rex_b ? (reg + 8) : reg; 105122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpAnyReg(os, rex, reg_num, byte_operand, size_override, reg_file); 106122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov} 107122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov 108122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic void DumpAddrReg(std::ostream& os, uint8_t rex, uint8_t reg) { 109122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov if (rex != 0) { 110122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg64Names[reg]; 111bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 112122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg32Names[reg]; 113bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 114706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 115706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 1167caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogersstatic void DumpBaseReg(std::ostream& os, uint8_t rex, uint8_t reg) { 117a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_b = (rex & REX_B) != 0; 11838e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers size_t reg_num = rex_b ? (reg + 8) : reg; 119122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpAddrReg(os, rex, reg_num); 120706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 121706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 1227caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogersstatic void DumpIndexReg(std::ostream& os, uint8_t rex, uint8_t reg) { 123a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_x = (rex & REX_X) != 0; 12438e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers uint8_t reg_num = rex_x ? (reg + 8) : reg; 125122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpAddrReg(os, rex, reg_num); 126122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov} 127122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov 128122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic void DumpOpcodeReg(std::ostream& os, uint8_t rex, uint8_t reg) { 129a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_b = (rex & REX_B) != 0; 130122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov size_t reg_num = rex_b ? (reg + 8) : reg; 1317caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpReg0(os, rex, reg_num, false, 0); 132706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 133706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 13492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughesenum SegmentPrefix { 13592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kCs = 0x2e, 13692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kSs = 0x36, 13792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kDs = 0x3e, 13892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kEs = 0x26, 13992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kFs = 0x64, 14092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kGs = 0x65, 14192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes}; 14292301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes 143706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic void DumpSegmentOverride(std::ostream& os, uint8_t segment_prefix) { 144706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (segment_prefix) { 14592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kCs: os << "cs:"; break; 14692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kSs: os << "ss:"; break; 14792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kDs: os << "ds:"; break; 14892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kEs: os << "es:"; break; 14992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kFs: os << "fs:"; break; 15092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kGs: os << "gs:"; break; 151706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: break; 152706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 153706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 154706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 155706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogerssize_t DisassemblerX86::DumpInstruction(std::ostream& os, const uint8_t* instr) { 156706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers const uint8_t* begin_instr = instr; 157706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool have_prefixes = true; 158706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t prefix[4] = {0, 0, 0, 0}; 159706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers const char** modrm_opcodes = NULL; 160706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers do { 161706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 1627caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers // Group 1 - lock and repeat prefixes: 163706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF0: 164706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF2: 165706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF3: 166706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[0] = *instr; 167706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 168706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 2 - segment override prefixes: 16992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kCs: 17092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kSs: 17192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kDs: 17292301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kEs: 17392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kFs: 17492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kGs: 175706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[1] = *instr; 176706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 177706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 3 - operand size override: 178706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x66: 179706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[2] = *instr; 180706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 181706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 4 - address size override: 182706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x67: 183706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[3] = *instr; 184706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 185706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 186706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers have_prefixes = false; 187706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 188706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 189706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (have_prefixes) { 190706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 191706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 192706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } while (have_prefixes); 19338e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers uint8_t rex = (supports_rex_ && (*instr >= 0x40) && (*instr <= 0x4F)) ? *instr : 0; 194e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (rex != 0) { 195e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov instr++; 196e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } 197706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool has_modrm = false; 198706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool reg_is_opcode = false; 199706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t immediate_bytes = 0; 200706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t branch_bytes = 0; 201706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream opcode; 202706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool store = false; // stores to memory (ie rm is on the left) 203706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool load = false; // loads from memory (ie rm is on the right) 204706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool byte_operand = false; 205122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov bool target_specific = false; // register name depends on target (64 vs 32 bits). 206706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool ax = false; // implicit use of ax 207e296248a124ed8287b38a9225463696c18d84cd6jeffhao bool cx = false; // implicit use of cx 208706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool reg_in_opcode = false; // low 3-bits of opcode encode register parameter 209703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao bool no_ops = false; 210bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers RegFile src_reg_file = GPR; 211bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers RegFile dst_reg_file = GPR; 212706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 213706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#define DISASSEMBLER_ENTRY(opname, \ 214706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers rm8_r8, rm32_r32, \ 215706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers r8_rm8, r32_rm32, \ 216706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers ax8_i8, ax32_i32) \ 217706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case rm8_r8: opcode << #opname; store = true; has_modrm = true; byte_operand = true; break; \ 218706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case rm32_r32: opcode << #opname; store = true; has_modrm = true; break; \ 219706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case r8_rm8: opcode << #opname; load = true; has_modrm = true; byte_operand = true; break; \ 220706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case r32_rm32: opcode << #opname; load = true; has_modrm = true; break; \ 221706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case ax8_i8: opcode << #opname; ax = true; immediate_bytes = 1; byte_operand = true; break; \ 222706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case ax32_i32: opcode << #opname; ax = true; immediate_bytes = 4; break; 223706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 224706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(add, 225706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x00 /* RegMem8/Reg8 */, 0x01 /* RegMem32/Reg32 */, 226706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x02 /* Reg8/RegMem8 */, 0x03 /* Reg32/RegMem32 */, 227706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x04 /* Rax8/imm8 opcode */, 0x05 /* Rax32/imm32 */) 228706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(or, 229706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x08 /* RegMem8/Reg8 */, 0x09 /* RegMem32/Reg32 */, 230706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x0A /* Reg8/RegMem8 */, 0x0B /* Reg32/RegMem32 */, 231706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x0C /* Rax8/imm8 opcode */, 0x0D /* Rax32/imm32 */) 232706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(adc, 233706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x10 /* RegMem8/Reg8 */, 0x11 /* RegMem32/Reg32 */, 234706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x12 /* Reg8/RegMem8 */, 0x13 /* Reg32/RegMem32 */, 235706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x14 /* Rax8/imm8 opcode */, 0x15 /* Rax32/imm32 */) 236706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(sbb, 237706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x18 /* RegMem8/Reg8 */, 0x19 /* RegMem32/Reg32 */, 238706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x1A /* Reg8/RegMem8 */, 0x1B /* Reg32/RegMem32 */, 239706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x1C /* Rax8/imm8 opcode */, 0x1D /* Rax32/imm32 */) 240706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(and, 241706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x20 /* RegMem8/Reg8 */, 0x21 /* RegMem32/Reg32 */, 242706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x22 /* Reg8/RegMem8 */, 0x23 /* Reg32/RegMem32 */, 243706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x24 /* Rax8/imm8 opcode */, 0x25 /* Rax32/imm32 */) 244706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(sub, 245706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x28 /* RegMem8/Reg8 */, 0x29 /* RegMem32/Reg32 */, 246706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x2A /* Reg8/RegMem8 */, 0x2B /* Reg32/RegMem32 */, 247706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x2C /* Rax8/imm8 opcode */, 0x2D /* Rax32/imm32 */) 248706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(xor, 249706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x30 /* RegMem8/Reg8 */, 0x31 /* RegMem32/Reg32 */, 250706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x32 /* Reg8/RegMem8 */, 0x33 /* Reg32/RegMem32 */, 251706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x34 /* Rax8/imm8 opcode */, 0x35 /* Rax32/imm32 */) 252706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(cmp, 253706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x38 /* RegMem8/Reg8 */, 0x39 /* RegMem32/Reg32 */, 254706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x3A /* Reg8/RegMem8 */, 0x3B /* Reg32/RegMem32 */, 255706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x3C /* Rax8/imm8 opcode */, 0x3D /* Rax32/imm32 */) 256706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 257706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#undef DISASSEMBLER_ENTRY 258706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 259706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "push"; 260706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 261122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov target_specific = true; 262706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 263706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x58: case 0x59: case 0x5A: case 0x5B: case 0x5C: case 0x5D: case 0x5E: case 0x5F: 264706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "pop"; 265706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 266122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov target_specific = true; 267706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 26833ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell case 0x63: 26933ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell if (rex == 0x48) { 27033ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell opcode << "movsxd"; 27133ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell has_modrm = true; 27233ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell load = true; 27333ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell } else { 27433ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell // In 32-bit mode (!supports_rex_) this is ARPL, with no REX prefix the functionality is the 27533ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell // same as 'mov' but the use of the instruction is discouraged. 27633ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell opcode << StringPrintf("unknown opcode '%02X'", *instr); 27733ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell } 27833ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell break; 279706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x68: opcode << "push"; immediate_bytes = 4; break; 280d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0x69: opcode << "imul"; load = true; has_modrm = true; immediate_bytes = 4; break; 281706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x6A: opcode << "push"; immediate_bytes = 1; break; 282d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0x6B: opcode << "imul"; load = true; has_modrm = true; immediate_bytes = 1; break; 283706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77: 284706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x78: case 0x79: case 0x7A: case 0x7B: case 0x7C: case 0x7D: case 0x7E: case 0x7F: 285706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* condition_codes[] = 286b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes {"o", "no", "b/nae/c", "nb/ae/nc", "z/eq", "nz/ne", "be/na", "nbe/a", 287b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes "s", "ns", "p/pe", "np/po", "l/nge", "nl/ge", "le/ng", "nle/g" 288706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers }; 289706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 290706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 1; 291706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 29299ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru case 0x86: case 0x87: 29399ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru opcode << "xchg"; 29499ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru store = true; 29599ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru has_modrm = true; 29699ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru byte_operand = (*instr == 0x86); 29799ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru break; 298706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: opcode << "mov"; store = true; has_modrm = true; byte_operand = true; break; 299706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x89: opcode << "mov"; store = true; has_modrm = true; break; 300706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x8A: opcode << "mov"; load = true; has_modrm = true; byte_operand = true; break; 301706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x8B: opcode << "mov"; load = true; has_modrm = true; break; 302706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 303706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x0F: // 2 byte extended opcode 304706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 305706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 3067caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x10: case 0x11: 3077caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (prefix[0] == 0xF2) { 3087caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movsd"; 309fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 3107caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else if (prefix[0] == 0xF3) { 3117caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movss"; 312fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 3137caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else if (prefix[2] == 0x66) { 3147caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movupd"; 315fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 3167caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else { 3177caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movups"; 3187caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } 3197caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 320bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 3217caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = *instr == 0x10; 3227caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = !load; 3237caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 3242c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x12: case 0x13: 3252c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 3262c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movlpd"; 3272c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 3282c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 3292c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movlps"; 3302c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 3312c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 3322c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 3332c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x12; 3342c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 3352c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 3362c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x16: case 0x17: 3372c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 3382c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movhpd"; 3392c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 3402c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 3412c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movhps"; 3422c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 3432c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 3442c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 3452c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x16; 3462c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 3472c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 3482c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x28: case 0x29: 3492c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 3502c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movapd"; 3512c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 3522c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 3532c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movaps"; 3542c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 3552c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 3562c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 3572c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x28; 3582c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 3592c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 360fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2A: 361fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 362fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2pd"; 363fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 364fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 365fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2sd"; 366fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 367fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 368fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2ss"; 369fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 370fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 371fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2ps"; 372fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 373fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 374fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 375fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 376fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 377fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2C: 378fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 379fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttpd2pi"; 380fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 381fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 382fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttsd2si"; 383fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 384fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 385fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttss2si"; 386fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 387fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 388fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttps2pi"; 389fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 390fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 391fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 392fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 393fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 394fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2D: 395fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 396fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpd2pi"; 397fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 398fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 399fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsd2si"; 400fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 401fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 402fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtss2si"; 403fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 404fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 405fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtps2pi"; 406fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 407fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 408fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 409fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 410fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 411fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2E: 412fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "u"; 413fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // FALLTHROUGH 414fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2F: 415fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 416fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comisd"; 417fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 418fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 419fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comiss"; 420fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 421fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 422fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 423fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = dst_reg_file = SSE; 424fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 425706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x38: // 3 byte extended opcode 426fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell instr++; 427fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 428fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell switch (*instr) { 429fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0x40: 430fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pmulld"; 431fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 432fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 433fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 434fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 435fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 436fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell default: 437fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F 38 %02X'", *instr); 438fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 439fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 440fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F 38 %02X'", *instr); 441fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 442706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 443706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x3A: // 3 byte extended opcode 444fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell instr++; 445fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 446fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell switch (*instr) { 447fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0x14: 448fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pextrb"; 449fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 450fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 451fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 452fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell dst_reg_file = SSE; 453fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 454fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 455fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0x16: 456fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pextrd"; 457fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 458fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 459fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 460fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell dst_reg_file = SSE; 461fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 462fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 463fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell default: 464fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F 3A %02X'", *instr); 465fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 466fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 467fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F 3A %02X'", *instr); 468fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 469706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 470bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47: 471bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x48: case 0x49: case 0x4A: case 0x4B: case 0x4C: case 0x4D: case 0x4E: case 0x4F: 472bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru opcode << "cmov" << condition_codes[*instr & 0xF]; 473bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru has_modrm = true; 474bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru load = true; 475bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru break; 476bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 477bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: case 0x59: case 0x5C: case 0x5D: case 0x5E: case 0x5F: { 478bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers switch (*instr) { 479bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: opcode << "movmsk"; break; 480bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x51: opcode << "sqrt"; break; 481bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x52: opcode << "rsqrt"; break; 482bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x53: opcode << "rcp"; break; 483bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x54: opcode << "and"; break; 484bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x55: opcode << "andn"; break; 485bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x56: opcode << "or"; break; 486bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x57: opcode << "xor"; break; 487bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: opcode << "add"; break; 488bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x59: opcode << "mul"; break; 489bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5C: opcode << "sub"; break; 490bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5D: opcode << "min"; break; 491bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5E: opcode << "div"; break; 492bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5F: opcode << "max"; break; 493bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers default: LOG(FATAL) << "Unreachable"; 494bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 495bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 496bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "pd"; 497fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 498bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 499bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "sd"; 500fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 501bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 502bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ss"; 503fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 504bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 505bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ps"; 506bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 507bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 508bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 509bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 510bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 511bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 512bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5A: 513bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 514bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtpd2ps"; 515fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 516bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 517bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtsd2ss"; 518fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 519bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 520bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtss2sd"; 521fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 522bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 523bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2pd"; 524bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 525bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 526bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 527bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 528bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 529bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5B: 530bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 531bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2dq"; 532fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 533bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 534bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "bad opcode F2 0F 5B"; 535bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 536bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvttps2dq"; 537fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 538bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 539bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtdq2ps"; 540bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 541bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 542bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 543bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 544bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 545d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru case 0x62: 546d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru if (prefix[2] == 0x66) { 547d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = SSE; 548d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru prefix[2] = 0; // Clear prefix now. It has served its purpose as part of the opcode. 549d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } else { 550d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = MMX; 551d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } 552d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru opcode << "punpckldq"; 553d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru load = true; 554d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru has_modrm = true; 555d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru break; 556bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6E: 557bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 558bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 559fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 560bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 561bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 562bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 563fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 564bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 565bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 566bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 567bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6F: 568bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 569fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 570bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqa"; 571fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 572bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 573fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 574bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqu"; 575fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 576bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 577bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 578bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movq"; 579bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 580bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 581bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 582bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 583fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0x70: 584fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 585fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pshufd"; 586fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 587fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 588fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 589fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 590fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 591fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else if (prefix[0] == 0xF2) { 592fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pshuflw"; 593fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[0] = 0; 594fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 595fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 596fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 597fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 598fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 599fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 600fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 601fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 602fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x71: 603fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 604fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 605fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 606fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 607fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 608fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 609fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x71_opcodes[] = {"unknown-71", "unknown-71", "psrlw", "unknown-71", "psraw", "unknown-71", "psllw", "unknown-71"}; 610fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x71_opcodes; 611fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 612fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 613fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 614fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 615fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 616fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x72: 617fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 618fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 619fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 620fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 621fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 622fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 623fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x72_opcodes[] = {"unknown-72", "unknown-72", "psrld", "unknown-72", "psrad", "unknown-72", "pslld", "unknown-72"}; 624fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x72_opcodes; 625fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 626fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 627fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 628fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 629fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 630fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x73: 631fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 632fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 633fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 634fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 635fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 636fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 637fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x73_opcodes[] = {"unknown-73", "unknown-73", "psrlq", "unknown-73", "unknown-73", "unknown-73", "psllq", "unknown-73"}; 638fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x73_opcodes; 639fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 640fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 641fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 642fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 643fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 644fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x7E: 645fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 646fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 647fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 648fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 649fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = MMX; 650fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 651fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 652fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 653fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 654fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 655706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: 656706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: case 0x89: case 0x8A: case 0x8B: case 0x8C: case 0x8D: case 0x8E: case 0x8F: 657706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 658706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 4; 659706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 6607caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: 6617caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x98: case 0x99: case 0x9A: case 0x9B: case 0x9C: case 0x9D: case 0x9E: case 0x9F: 6627caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "set" << condition_codes[*instr & 0xF]; 6637caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = NULL; 6647caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 6657caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 6667caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 6677caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 6684708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell case 0xA4: 6694708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell opcode << "shld"; 6704708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell has_modrm = true; 6714708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell load = true; 6724708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell immediate_bytes = 1; 6734708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell break; 6744708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell case 0xAC: 6754708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell opcode << "shrd"; 6764708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell has_modrm = true; 6774708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell load = true; 6784708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell immediate_bytes = 1; 6794708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell break; 680703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0xAE: 681703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (prefix[0] == 0xF3) { 6825e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 683703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"rdfsbase", "rdgsbase", "wrfsbase", "wrgsbase", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE"}; 684703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 685703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 686703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 687703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao uint8_t reg_or_opcode = (instr[1] >> 3) & 7; 688703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao switch (reg_or_opcode) { 689703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0: 690703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 691703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 692703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 693703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 1: 694703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 695703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 696703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 697703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 2: 698703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 699703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 700703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 701703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 3: 702703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 703703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 704703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 705703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao default: 706703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 707703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 708703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 709703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } else { 710703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "lfence", "mfence", "sfence"}; 711703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 712703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 713703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 714703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 715703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao no_ops = true; 716703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 717703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 718f723f0cdc693f81581c0781fa472b1c85a8b42d6Mark Mendell case 0xAF: opcode << "imul"; has_modrm = true; load = true; break; 7198302576126efae240eb21c7545cda7982437bd26jeffhao case 0xB1: opcode << "cmpxchg"; has_modrm = true; store = true; break; 7207caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB6: opcode << "movzxb"; has_modrm = true; load = true; break; 7217caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB7: opcode << "movzxw"; has_modrm = true; load = true; break; 722854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBE: opcode << "movsxb"; has_modrm = true; load = true; break; 723854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBF: opcode << "movsxw"; has_modrm = true; load = true; break; 724fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xC5: 725fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 726fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pextrw"; 727fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 728fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 729fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 730fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 731fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 732fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 733fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 734fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 735fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 73670b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko case 0xC7: 73770b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko static const char* x0FxC7_opcodes[] = { "unknown-0f-c7", "cmpxchg8b", "unknown-0f-c7", "unknown-0f-c7", "unknown-0f-c7", "unknown-0f-c7", "unknown-0f-c7", "unknown-0f-c7" }; 73870b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko modrm_opcodes = x0FxC7_opcodes; 73970b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko has_modrm = true; 74070b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko reg_is_opcode = true; 74170b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko store = true; 74270b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko break; 743a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko case 0xC8: case 0xC9: case 0xCA: case 0xCB: case 0xCC: case 0xCD: case 0xCE: case 0xCF: 744a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko opcode << "bswap"; 745a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko reg_in_opcode = true; 746a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko break; 747fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xDB: 748fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 749fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 750fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 751fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 752fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 753fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 754fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pand"; 755fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 756fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 757fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 758fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 759fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xD5: 760fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 761fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pmullw"; 762fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 763fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 764fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 765fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 766fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 767fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 768fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 769fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 770fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xEB: 771fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 772fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 773fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 774fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 775fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 776fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 777fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "por"; 778fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 779fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 780fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 781fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 782fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xEF: 783fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 784fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 785fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 786fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 787fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 788fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 789fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pxor"; 790fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 791fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 792fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 793fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 794fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xF8: 795fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 796fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 797fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 798fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 799fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 800fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 801fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "psubb"; 802fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 803fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 804fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 805fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 806fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xF9: 807fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 808fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 809fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 810fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 811fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 812fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 813fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "psubw"; 814fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 815fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 816fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 817fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 818fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xFA: 819fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 820fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 821fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 822fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 823fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 824fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 825fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "psubd"; 826fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 827fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 828fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 829fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 830fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xFC: 831fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 832fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 833fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 834fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 835fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 836fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 837fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "paddb"; 838fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 839fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 840fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 841fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 842fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xFD: 843fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 844fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 845fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 846fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 847fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 848fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 849fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "paddw"; 850fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 851fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 852fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 853fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 854fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xFE: 855fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 856fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 857fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 858fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 859fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 860fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 861fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "paddd"; 862fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 863fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 864fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 865fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 866706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 867706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 868706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 869706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 870706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 871706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: 872706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* x80_opcodes[] = {"add", "or", "adc", "sbb", "and", "sub", "xor", "cmp"}; 873706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = x80_opcodes; 874706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 875706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 876706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers store = true; 877706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers byte_operand = (*instr & 1) == 0; 878706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = *instr == 0x81 ? 4 : 1; 879706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 880703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x84: case 0x85: 881703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "test"; 882703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 883703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 884703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao byte_operand = (*instr & 1) == 0; 885703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 8867caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x8D: 8877caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "lea"; 8887caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 8897caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = true; 8907caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 891703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x8F: 892703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "pop"; 893703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 894703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 895703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 896703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 8972bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell case 0x99: 8982bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell opcode << "cdq"; 8992bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell break; 900d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov case 0x9B: 901d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov if (instr[1] == 0xDF && instr[2] == 0xE0) { 902d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << "fstsw\tax"; 903d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov instr += 2; 904d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } else { 905d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << StringPrintf("unknown opcode '%02X'", *instr); 906d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } 907d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov break; 9084028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell case 0xAF: 9094028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell opcode << (prefix[2] == 0x66 ? "scasw" : "scasl"); 9104028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell break; 911706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB0: case 0xB1: case 0xB2: case 0xB3: case 0xB4: case 0xB5: case 0xB6: case 0xB7: 912706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 913706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 1; 914a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell byte_operand = true; 915706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 916706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 917706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB8: case 0xB9: case 0xBA: case 0xBB: case 0xBC: case 0xBD: case 0xBE: case 0xBF: 9185192cbb12856b12620dc346758605baaa1469cedYixin Shou if (rex == 0x48) { 9195192cbb12856b12620dc346758605baaa1469cedYixin Shou opcode << "movabsq"; 9205192cbb12856b12620dc346758605baaa1469cedYixin Shou immediate_bytes = 8; 9215192cbb12856b12620dc346758605baaa1469cedYixin Shou reg_in_opcode = true; 9225192cbb12856b12620dc346758605baaa1469cedYixin Shou break; 9235192cbb12856b12620dc346758605baaa1469cedYixin Shou } 924706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 925706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 4; 926706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 927706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 9287caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xC0: case 0xC1: 929e296248a124ed8287b38a9225463696c18d84cd6jeffhao case 0xD0: case 0xD1: case 0xD2: case 0xD3: 9307caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers static const char* shift_opcodes[] = 9317caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers {"rol", "ror", "rcl", "rcr", "shl", "shr", "unknown-shift", "sar"}; 9327caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = shift_opcodes; 9337caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 9347caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 9357caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 93616b5c294c37460b51dc1f5296000cc80bbd33419Elliott Hughes immediate_bytes = ((*instr & 0xf0) == 0xc0) ? 1 : 0; 937e296248a124ed8287b38a9225463696c18d84cd6jeffhao cx = (*instr == 0xD2) || (*instr == 0xD3); 938e296248a124ed8287b38a9225463696c18d84cd6jeffhao byte_operand = (*instr == 0xC0); 9397caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 940706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xC3: opcode << "ret"; break; 941a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell case 0xC6: 942a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell static const char* c6_opcodes[] = {"mov", "unknown-c6", "unknown-c6", "unknown-c6", "unknown-c6", "unknown-c6", "unknown-c6", "unknown-c6"}; 943a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell modrm_opcodes = c6_opcodes; 944a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell store = true; 945a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell immediate_bytes = 1; 946a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell has_modrm = true; 947a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell reg_is_opcode = true; 948a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell byte_operand = true; 949a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell break; 9500589ca9245849df238812444952c674e01361f2aElliott Hughes case 0xC7: 9510589ca9245849df238812444952c674e01361f2aElliott Hughes static const char* c7_opcodes[] = {"mov", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7"}; 9520589ca9245849df238812444952c674e01361f2aElliott Hughes modrm_opcodes = c7_opcodes; 9530589ca9245849df238812444952c674e01361f2aElliott Hughes store = true; 9540589ca9245849df238812444952c674e01361f2aElliott Hughes immediate_bytes = 4; 9550589ca9245849df238812444952c674e01361f2aElliott Hughes has_modrm = true; 9560589ca9245849df238812444952c674e01361f2aElliott Hughes reg_is_opcode = true; 9570589ca9245849df238812444952c674e01361f2aElliott Hughes break; 9587caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xCC: opcode << "int 3"; break; 959d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xD9: 960d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov if (instr[1] == 0xF8) { 961d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << "fprem"; 962d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov instr++; 963d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } else { 964d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov static const char* d9_opcodes[] = {"flds", "unknown-d9", "fsts", "fstps", "fldenv", "fldcw", 965d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov "fnstenv", "fnstcw"}; 966d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov modrm_opcodes = d9_opcodes; 967d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov store = true; 968d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov has_modrm = true; 969d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov reg_is_opcode = true; 970d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } 971d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov break; 972d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov case 0xDA: 973d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov if (instr[1] == 0xE9) { 974d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << "fucompp"; 975d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov instr++; 976d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } else { 977d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << StringPrintf("unknown opcode '%02X'", *instr); 978d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } 979d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 980614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru case 0xDB: 981614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru static const char* db_opcodes[] = {"fildl", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db"}; 982614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru modrm_opcodes = db_opcodes; 983614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru load = true; 984614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru has_modrm = true; 985614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru reg_is_opcode = true; 986614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru break; 987d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xDD: 988d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* dd_opcodes[] = {"fldl", "fisttp", "fstl", "fstpl", "frstor", "unknown-dd", "fnsave", "fnstsw"}; 989d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = dd_opcodes; 990d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 991d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 992d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 993d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 994614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru case 0xDF: 995614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru static const char* df_opcodes[] = {"fild", "unknown-df", "unknown-df", "unknown-df", "unknown-df", "fildll", "unknown-df", "unknown-df"}; 996614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru modrm_opcodes = df_opcodes; 997614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru load = true; 998614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru has_modrm = true; 999614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru reg_is_opcode = true; 1000614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru break; 10014028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell case 0xE3: opcode << "jecxz"; branch_bytes = 1; break; 10027caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xE8: opcode << "call"; branch_bytes = 4; break; 1003706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xE9: opcode << "jmp"; branch_bytes = 4; break; 1004706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xEB: opcode << "jmp"; branch_bytes = 1; break; 100577ae36b35d47393335bf5399cab9c91ccf08e88fjeffhao case 0xF5: opcode << "cmc"; break; 1006174651dea03956e160a2cff0d842954823c49134jeffhao case 0xF6: case 0xF7: 1007174651dea03956e160a2cff0d842954823c49134jeffhao static const char* f7_opcodes[] = {"test", "unknown-f7", "not", "neg", "mul edx:eax, eax *", "imul edx:eax, eax *", "div edx:eax, edx:eax /", "idiv edx:eax, edx:eax /"}; 1008174651dea03956e160a2cff0d842954823c49134jeffhao modrm_opcodes = f7_opcodes; 1009174651dea03956e160a2cff0d842954823c49134jeffhao has_modrm = true; 1010174651dea03956e160a2cff0d842954823c49134jeffhao reg_is_opcode = true; 1011174651dea03956e160a2cff0d842954823c49134jeffhao store = true; 1012174651dea03956e160a2cff0d842954823c49134jeffhao immediate_bytes = ((instr[1] & 0x38) == 0) ? 1 : 0; 1013174651dea03956e160a2cff0d842954823c49134jeffhao break; 1014706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xFF: 1015e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov { 1016e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov static const char* ff_opcodes[] = {"inc", "dec", "call", "call", "jmp", "jmp", "push", "unknown-ff"}; 1017e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov modrm_opcodes = ff_opcodes; 1018e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov has_modrm = true; 1019e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov reg_is_opcode = true; 1020e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov load = true; 1021e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov const uint8_t opcode_digit = (instr[1] >> 3) & 7; 1022e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov // 'call', 'jmp' and 'push' are target specific instructions 1023e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov if (opcode_digit == 2 || opcode_digit == 4 || opcode_digit == 6) { 1024e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov target_specific = true; 1025e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov } 1026e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov } 1027706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 1028706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 1029706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '%02X'", *instr); 1030706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 1031706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1032706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream args; 1033122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov // We force the REX prefix to be available for 64-bit target 1034122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov // in order to dump addr (base/index) registers correctly. 1035122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov uint8_t rex64 = supports_rex_ ? (rex | 0x40) : rex; 1036e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov // REX.W should be forced for 64-target and target-specific instructions (i.e., push or pop). 1037e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov uint8_t rex_w = (supports_rex_ && target_specific) ? (rex | 0x48) : rex; 1038706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (reg_in_opcode) { 1039706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 1040122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpOpcodeReg(args, rex_w, *instr & 0x7); 1041706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1042706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 104392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes uint32_t address_bits = 0; 1044706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (has_modrm) { 1045706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t modrm = *instr; 1046706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 1047706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t mod = modrm >> 6; 1048706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t reg_or_opcode = (modrm >> 3) & 7; 1049706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t rm = modrm & 7; 1050706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream address; 1051e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (mod == 0 && rm == 5) { 1052e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (!supports_rex_) { // Absolute address. 1053e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address_bits = *reinterpret_cast<const uint32_t*>(instr); 1054e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf("[0x%x]", address_bits); 1055e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } else { // 64-bit RIP relative addressing. 1056e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf("[RIP + 0x%x]", *reinterpret_cast<const uint32_t*>(instr)); 1057e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } 1058706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 1059706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (rm == 4 && mod != 3) { // SIB 1060706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t sib = *instr; 1061706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 1062e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov uint8_t scale = (sib >> 6) & 3; 1063706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t index = (sib >> 3) & 7; 1064706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t base = sib & 7; 1065706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 1066706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (base != 5 || mod != 0) { 1067122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpBaseReg(address, rex64, base); 1068706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 1069706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << " + "; 1070706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1071706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1072706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 1073122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpIndexReg(address, rex64, index); 1074e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (scale != 0) { 1075e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf(" * %d", 1 << scale); 1076706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1077706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1078e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (mod == 0) { 1079e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (base == 5) { 1080e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (index != 4) { 1081e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 1082e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } else { 1083e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov // 64-bit low 32-bit absolute address, redundant absolute address encoding on 32-bit. 1084e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address_bits = *reinterpret_cast<const uint32_t*>(instr); 1085e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf("%d", address_bits); 1086e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } 1087e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov instr += 4; 1088e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } 1089e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } else if (mod == 1) { 1090706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 1091706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 1092706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (mod == 2) { 1093706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 1094706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 1095706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1096706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 1097706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 1098bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 3) { 1099703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (!no_ops) { 1100e443a8063518fb1c5229afa3081b9fd1f6d33b16Vladimir Kostyukov DumpRmReg(address, rex_w, rm, byte_operand, prefix[2], load ? src_reg_file : dst_reg_file); 1101703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 1102bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 1103706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 1104122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpBaseReg(address, rex64, rm); 1105bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 1) { 1106bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 1107bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr++; 1108bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (mod == 2) { 1109bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 1110bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr += 4; 1111bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 1112706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 1113706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1114706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1115706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 11167caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (reg_is_opcode && modrm_opcodes != NULL) { 1117706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << modrm_opcodes[reg_or_opcode]; 1118706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1119a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell 1120a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell // Add opcode suffixes to indicate size. 1121a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell if (byte_operand) { 1122a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell opcode << 'b'; 1123a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell } else if ((rex & REX_W) != 0) { 1124a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell opcode << 'q'; 1125a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell } else if (prefix[2] == 0x66) { 1126a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell opcode << 'w'; 1127a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell } 1128a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell 1129706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (load) { 1130706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 1131bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], dst_reg_file); 1132706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 1133706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1134706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 1135706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 1136706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 1137706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(store); 1138706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 1139706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 1140706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 1141706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 1142bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], src_reg_file); 1143706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1144706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1145706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1146706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ax) { 1147fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // If this opcode implicitly uses ax, ax is always the first arg. 1148bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, 0 /* EAX */, byte_operand, prefix[2], GPR); 1149706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1150e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (cx) { 1151e296248a124ed8287b38a9225463696c18d84cd6jeffhao args << ", "; 1152e296248a124ed8287b38a9225463696c18d84cd6jeffhao DumpReg(args, rex, 1 /* ECX */, true, prefix[2], GPR); 1153e296248a124ed8287b38a9225463696c18d84cd6jeffhao } 1154706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes > 0) { 1155e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (has_modrm || reg_in_opcode || ax || cx) { 1156706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 1157706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1158706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes == 1) { 1159706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int8_t*>(instr)); 1160706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 11615192cbb12856b12620dc346758605baaa1469cedYixin Shou } else if (immediate_bytes == 4) { 116267d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell if (prefix[2] == 0x66) { // Operand size override from 32-bit to 16-bit. 116367d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell args << StringPrintf("%d", *reinterpret_cast<const int16_t*>(instr)); 116467d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell instr += 2; 116567d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell } else { 116667d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell args << StringPrintf("%d", *reinterpret_cast<const int32_t*>(instr)); 116767d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell instr += 4; 116867d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell } 11695192cbb12856b12620dc346758605baaa1469cedYixin Shou } else { 11705192cbb12856b12620dc346758605baaa1469cedYixin Shou CHECK_EQ(immediate_bytes, 8u); 11715192cbb12856b12620dc346758605baaa1469cedYixin Shou args << StringPrintf("%" PRId64, *reinterpret_cast<const int64_t*>(instr)); 11725192cbb12856b12620dc346758605baaa1469cedYixin Shou instr += 8; 1173706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1174706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (branch_bytes > 0) { 1175706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 1176706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers int32_t displacement; 1177706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (branch_bytes == 1) { 1178706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int8_t*>(instr); 1179706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 1180706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 1181706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(branch_bytes, 4u); 1182706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int32_t*>(instr); 1183706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 1184706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 118514178a99fd397737124e65d5ccb9446f85c5ca93Elliott Hughes args << StringPrintf("%+d (%p)", displacement, instr + displacement); 1186706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1187dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers if (prefix[1] == kFs && !supports_rex_) { 118892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes args << " ; "; 1189dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers Thread::DumpThreadOffset<4>(args, address_bits); 1190dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers } 1191dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers if (prefix[1] == kGs && supports_rex_) { 1192dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers args << " ; "; 1193dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers Thread::DumpThreadOffset<8>(args, address_bits); 119492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes } 119528fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes std::stringstream hex; 1196706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (size_t i = 0; begin_instr + i < instr; ++i) { 119728fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes hex << StringPrintf("%02X", begin_instr[i]); 1198706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 11995e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers std::stringstream prefixed_opcode; 12005e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers switch (prefix[0]) { 12015e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF0: prefixed_opcode << "lock "; break; 12025e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF2: prefixed_opcode << "repne "; break; 12035e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF3: prefixed_opcode << "repe "; break; 12045e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0: break; 12055e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers default: LOG(FATAL) << "Unreachable"; 12065e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers } 12075e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode << opcode.str(); 12085e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers os << StringPrintf("%p: %22s \t%-7s ", begin_instr, hex.str().c_str(), 12095e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode.str().c_str()) 12105e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers << args.str() << '\n'; 1211706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers return instr - begin_instr; 12127934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // NOLINT(readability/fn_size) 1213706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 1214706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace x86 1215706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace art 1216