disassembler_x86.cc revision d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7
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" 240f3c55331439970e01af67f80ac117c473bc04cfElliott Hughes 25706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersnamespace art { 26706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersnamespace x86 { 27706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 28b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogerssize_t DisassemblerX86::Dump(std::ostream& os, const uint8_t* begin) { 29b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers return DumpInstruction(os, begin); 30b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers} 31b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers 32706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersvoid DisassemblerX86::Dump(std::ostream& os, const uint8_t* begin, const uint8_t* end) { 33706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t length = 0; 34706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (const uint8_t* cur = begin; cur < end; cur += length) { 35706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers length = DumpInstruction(os, cur); 36706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 37706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 38706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 39122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic const char* gReg8Names[] = { 40122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh" 41122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov}; 42122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic const char* gExtReg8Names[] = { 43122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil", 44122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "r8l", "r9l", "r10l", "r11l", "r12l", "r13l", "r14l", "r15l" 45122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov}; 46122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic const char* gReg16Names[] = { 47122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", 48122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w" 49122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov}; 50122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic const char* gReg32Names[] = { 51122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", 52122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" 53122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov}; 5438e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogersstatic const char* gReg64Names[] = { 5538e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", 5638e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" 5738e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers}; 58706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 59a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell// 64-bit opcode REX modifier. 60a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendellconstexpr uint8_t REX_W = 0b1000; 61a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendellconstexpr uint8_t REX_R = 0b0100; 62a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendellconstexpr uint8_t REX_X = 0b0010; 63a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendellconstexpr uint8_t REX_B = 0b0001; 64a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell 6538e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogersstatic void DumpReg0(std::ostream& os, uint8_t rex, size_t reg, 66706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool byte_operand, uint8_t size_override) { 6738e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers DCHECK_LT(reg, (rex == 0) ? 8u : 16u); 68a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_w = (rex & REX_W) != 0; 69122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov if (byte_operand) { 70122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << ((rex == 0) ? gReg8Names[reg] : gExtReg8Names[reg]); 71122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else if (rex_w) { 72122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg64Names[reg]; 73122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else if (size_override == 0x66) { 74122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg16Names[reg]; 75122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else { 76122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg32Names[reg]; 77706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 78706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 79706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 80bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogersenum RegFile { GPR, MMX, SSE }; 81bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers 8288649c790cb437c130dcb6e428cddeb1ae62601cMark Mendellstatic void DumpAnyReg(std::ostream& os, uint8_t rex, size_t reg, 83122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov bool byte_operand, uint8_t size_override, RegFile reg_file) { 84122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov if (reg_file == GPR) { 85122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpReg0(os, rex, reg, byte_operand, size_override); 86122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else if (reg_file == SSE) { 87122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << "xmm" << reg; 88122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } else { 89122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << "mm" << reg; 90122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov } 91122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov} 92122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov 93706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic void DumpReg(std::ostream& os, uint8_t rex, uint8_t reg, 94bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers bool byte_operand, uint8_t size_override, RegFile reg_file) { 95a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_r = (rex & REX_R) != 0; 9638e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers size_t reg_num = rex_r ? (reg + 8) : reg; 97122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpAnyReg(os, rex, reg_num, byte_operand, size_override, reg_file); 98122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov} 99122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov 100122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic void DumpRmReg(std::ostream& os, uint8_t rex, uint8_t reg, 101122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov bool byte_operand, uint8_t size_override, RegFile reg_file) { 102a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_b = (rex & REX_B) != 0; 103122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov size_t reg_num = rex_b ? (reg + 8) : reg; 104122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpAnyReg(os, rex, reg_num, byte_operand, size_override, reg_file); 105122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov} 106122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov 107122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic void DumpAddrReg(std::ostream& os, uint8_t rex, uint8_t reg) { 108122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov if (rex != 0) { 109122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg64Names[reg]; 110bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 111122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov os << gReg32Names[reg]; 112bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 113706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 114706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 1157caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogersstatic void DumpBaseReg(std::ostream& os, uint8_t rex, uint8_t reg) { 116a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_b = (rex & REX_B) != 0; 11738e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers size_t reg_num = rex_b ? (reg + 8) : reg; 118122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpAddrReg(os, rex, reg_num); 119706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 120706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 1217caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogersstatic void DumpIndexReg(std::ostream& os, uint8_t rex, uint8_t reg) { 122a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_x = (rex & REX_X) != 0; 12338e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers uint8_t reg_num = rex_x ? (reg + 8) : reg; 124122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpAddrReg(os, rex, reg_num); 125122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov} 126122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov 127122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukovstatic void DumpOpcodeReg(std::ostream& os, uint8_t rex, uint8_t reg) { 128a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell bool rex_b = (rex & REX_B) != 0; 129122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov size_t reg_num = rex_b ? (reg + 8) : reg; 1307caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpReg0(os, rex, reg_num, false, 0); 131706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 132706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 13392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughesenum SegmentPrefix { 13492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kCs = 0x2e, 13592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kSs = 0x36, 13692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kDs = 0x3e, 13792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kEs = 0x26, 13892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kFs = 0x64, 13992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kGs = 0x65, 14092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes}; 14192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes 142706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic void DumpSegmentOverride(std::ostream& os, uint8_t segment_prefix) { 143706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (segment_prefix) { 14492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kCs: os << "cs:"; break; 14592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kSs: os << "ss:"; break; 14692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kDs: os << "ds:"; break; 14792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kEs: os << "es:"; break; 14892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kFs: os << "fs:"; break; 14992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kGs: os << "gs:"; break; 150706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: break; 151706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 152706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 153706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 154706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogerssize_t DisassemblerX86::DumpInstruction(std::ostream& os, const uint8_t* instr) { 155706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers const uint8_t* begin_instr = instr; 156706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool have_prefixes = true; 157706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t prefix[4] = {0, 0, 0, 0}; 158706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers const char** modrm_opcodes = NULL; 159706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers do { 160706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 1617caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers // Group 1 - lock and repeat prefixes: 162706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF0: 163706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF2: 164706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF3: 165706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[0] = *instr; 166706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 167706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 2 - segment override prefixes: 16892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kCs: 16992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kSs: 17092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kDs: 17192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kEs: 17292301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kFs: 17392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kGs: 174706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[1] = *instr; 175706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 176706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 3 - operand size override: 177706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x66: 178706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[2] = *instr; 179706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 180706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 4 - address size override: 181706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x67: 182706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[3] = *instr; 183706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 184706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 185706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers have_prefixes = false; 186706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 187706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 188706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (have_prefixes) { 189706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 190706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 191706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } while (have_prefixes); 19238e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers uint8_t rex = (supports_rex_ && (*instr >= 0x40) && (*instr <= 0x4F)) ? *instr : 0; 193e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (rex != 0) { 194e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov instr++; 195e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } 196706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool has_modrm = false; 197706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool reg_is_opcode = false; 198706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t immediate_bytes = 0; 199706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t branch_bytes = 0; 200706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream opcode; 201706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool store = false; // stores to memory (ie rm is on the left) 202706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool load = false; // loads from memory (ie rm is on the right) 203706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool byte_operand = false; 204122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov bool target_specific = false; // register name depends on target (64 vs 32 bits). 205706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool ax = false; // implicit use of ax 206e296248a124ed8287b38a9225463696c18d84cd6jeffhao bool cx = false; // implicit use of cx 207706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool reg_in_opcode = false; // low 3-bits of opcode encode register parameter 208703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao bool no_ops = false; 209bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers RegFile src_reg_file = GPR; 210bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers RegFile dst_reg_file = GPR; 211706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 212706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#define DISASSEMBLER_ENTRY(opname, \ 213706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers rm8_r8, rm32_r32, \ 214706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers r8_rm8, r32_rm32, \ 215706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers ax8_i8, ax32_i32) \ 216706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case rm8_r8: opcode << #opname; store = true; has_modrm = true; byte_operand = true; break; \ 217706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case rm32_r32: opcode << #opname; store = true; has_modrm = true; break; \ 218706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case r8_rm8: opcode << #opname; load = true; has_modrm = true; byte_operand = true; break; \ 219706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case r32_rm32: opcode << #opname; load = true; has_modrm = true; break; \ 220706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case ax8_i8: opcode << #opname; ax = true; immediate_bytes = 1; byte_operand = true; break; \ 221706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case ax32_i32: opcode << #opname; ax = true; immediate_bytes = 4; break; 222706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 223706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(add, 224706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x00 /* RegMem8/Reg8 */, 0x01 /* RegMem32/Reg32 */, 225706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x02 /* Reg8/RegMem8 */, 0x03 /* Reg32/RegMem32 */, 226706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x04 /* Rax8/imm8 opcode */, 0x05 /* Rax32/imm32 */) 227706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(or, 228706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x08 /* RegMem8/Reg8 */, 0x09 /* RegMem32/Reg32 */, 229706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x0A /* Reg8/RegMem8 */, 0x0B /* Reg32/RegMem32 */, 230706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x0C /* Rax8/imm8 opcode */, 0x0D /* Rax32/imm32 */) 231706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(adc, 232706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x10 /* RegMem8/Reg8 */, 0x11 /* RegMem32/Reg32 */, 233706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x12 /* Reg8/RegMem8 */, 0x13 /* Reg32/RegMem32 */, 234706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x14 /* Rax8/imm8 opcode */, 0x15 /* Rax32/imm32 */) 235706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(sbb, 236706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x18 /* RegMem8/Reg8 */, 0x19 /* RegMem32/Reg32 */, 237706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x1A /* Reg8/RegMem8 */, 0x1B /* Reg32/RegMem32 */, 238706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x1C /* Rax8/imm8 opcode */, 0x1D /* Rax32/imm32 */) 239706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(and, 240706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x20 /* RegMem8/Reg8 */, 0x21 /* RegMem32/Reg32 */, 241706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x22 /* Reg8/RegMem8 */, 0x23 /* Reg32/RegMem32 */, 242706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x24 /* Rax8/imm8 opcode */, 0x25 /* Rax32/imm32 */) 243706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(sub, 244706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x28 /* RegMem8/Reg8 */, 0x29 /* RegMem32/Reg32 */, 245706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x2A /* Reg8/RegMem8 */, 0x2B /* Reg32/RegMem32 */, 246706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x2C /* Rax8/imm8 opcode */, 0x2D /* Rax32/imm32 */) 247706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(xor, 248706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x30 /* RegMem8/Reg8 */, 0x31 /* RegMem32/Reg32 */, 249706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x32 /* Reg8/RegMem8 */, 0x33 /* Reg32/RegMem32 */, 250706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x34 /* Rax8/imm8 opcode */, 0x35 /* Rax32/imm32 */) 251706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(cmp, 252706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x38 /* RegMem8/Reg8 */, 0x39 /* RegMem32/Reg32 */, 253706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x3A /* Reg8/RegMem8 */, 0x3B /* Reg32/RegMem32 */, 254706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x3C /* Rax8/imm8 opcode */, 0x3D /* Rax32/imm32 */) 255706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 256706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#undef DISASSEMBLER_ENTRY 257706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 258706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "push"; 259706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 260122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov target_specific = true; 261706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 262706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x58: case 0x59: case 0x5A: case 0x5B: case 0x5C: case 0x5D: case 0x5E: case 0x5F: 263706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "pop"; 264706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 265122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov target_specific = true; 266706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 26733ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell case 0x63: 26833ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell if (rex == 0x48) { 26933ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell opcode << "movsxd"; 27033ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell has_modrm = true; 27133ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell load = true; 27233ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell } else { 27333ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell // In 32-bit mode (!supports_rex_) this is ARPL, with no REX prefix the functionality is the 27433ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell // same as 'mov' but the use of the instruction is discouraged. 27533ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell opcode << StringPrintf("unknown opcode '%02X'", *instr); 27633ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell } 27733ecf8d692eb192aa0ddb752d3ffe1e899e0f42eMark Mendell break; 278706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x68: opcode << "push"; immediate_bytes = 4; break; 279d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0x69: opcode << "imul"; load = true; has_modrm = true; immediate_bytes = 4; break; 280706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x6A: opcode << "push"; immediate_bytes = 1; break; 281d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0x6B: opcode << "imul"; load = true; has_modrm = true; immediate_bytes = 1; break; 282706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77: 283706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x78: case 0x79: case 0x7A: case 0x7B: case 0x7C: case 0x7D: case 0x7E: case 0x7F: 284706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* condition_codes[] = 285b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes {"o", "no", "b/nae/c", "nb/ae/nc", "z/eq", "nz/ne", "be/na", "nbe/a", 286b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes "s", "ns", "p/pe", "np/po", "l/nge", "nl/ge", "le/ng", "nle/g" 287706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers }; 288706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 289706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 1; 290706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 29199ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru case 0x86: case 0x87: 29299ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru opcode << "xchg"; 29399ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru store = true; 29499ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru has_modrm = true; 29599ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru byte_operand = (*instr == 0x86); 29699ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru break; 297706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: opcode << "mov"; store = true; has_modrm = true; byte_operand = true; break; 298706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x89: opcode << "mov"; store = true; has_modrm = true; break; 299706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x8A: opcode << "mov"; load = true; has_modrm = true; byte_operand = true; break; 300706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x8B: opcode << "mov"; load = true; has_modrm = true; break; 301706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 302706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x0F: // 2 byte extended opcode 303706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 304706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 3057caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x10: case 0x11: 3067caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (prefix[0] == 0xF2) { 3077caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movsd"; 308fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 3097caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else if (prefix[0] == 0xF3) { 3107caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movss"; 311fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 3127caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else if (prefix[2] == 0x66) { 3137caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movupd"; 314fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 3157caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else { 3167caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movups"; 3177caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } 3187caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 319bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 3207caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = *instr == 0x10; 3217caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = !load; 3227caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 3232c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x12: case 0x13: 3242c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 3252c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movlpd"; 3262c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 3272c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 3282c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movlps"; 3292c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 3302c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 3312c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 3322c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x12; 3332c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 3342c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 3352c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x16: case 0x17: 3362c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 3372c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movhpd"; 3382c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 3392c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 3402c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movhps"; 3412c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 3422c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 3432c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 3442c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x16; 3452c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 3462c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 3472c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x28: case 0x29: 3482c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 3492c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movapd"; 3502c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 3512c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 3522c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movaps"; 3532c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 3542c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 3552c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 3562c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x28; 3572c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 3582c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 359fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2A: 360fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 361fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2pd"; 362fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 363fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 364fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2sd"; 365fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 366fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 367fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2ss"; 368fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 369fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 370fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2ps"; 371fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 372fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 373fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 374fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 375fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 376fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2C: 377fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 378fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttpd2pi"; 379fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 380fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 381fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttsd2si"; 382fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 383fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 384fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttss2si"; 385fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 386fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 387fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttps2pi"; 388fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 389fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 390fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 391fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 392fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 393fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2D: 394fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 395fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpd2pi"; 396fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 397fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 398fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsd2si"; 399fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 400fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 401fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtss2si"; 402fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 403fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 404fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtps2pi"; 405fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 406fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 407fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 408fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 409fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 410fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2E: 411fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "u"; 412fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // FALLTHROUGH 413fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2F: 414fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 415fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comisd"; 416fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 417fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 418fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comiss"; 419fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 420fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 421fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 422fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = dst_reg_file = SSE; 423fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 424706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x38: // 3 byte extended opcode 425fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell instr++; 426fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 427fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell switch (*instr) { 428fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0x40: 429fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pmulld"; 430fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 431fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 432fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 433fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 434fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 435fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell default: 436fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F 38 %02X'", *instr); 437fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 438fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 439fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F 38 %02X'", *instr); 440fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 441706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 442706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x3A: // 3 byte extended opcode 443fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell instr++; 444fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 445fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell switch (*instr) { 446fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0x14: 447fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pextrb"; 448fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 449fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 450fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 451fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell dst_reg_file = SSE; 452fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 453fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 454fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0x16: 455fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pextrd"; 456fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 457fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 458fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 459fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell dst_reg_file = SSE; 460fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 461fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 462fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell default: 463fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F 3A %02X'", *instr); 464fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 465fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 466fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F 3A %02X'", *instr); 467fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 468706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 469bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47: 470bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x48: case 0x49: case 0x4A: case 0x4B: case 0x4C: case 0x4D: case 0x4E: case 0x4F: 471bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru opcode << "cmov" << condition_codes[*instr & 0xF]; 472bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru has_modrm = true; 473bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru load = true; 474bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru break; 475bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 476bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: case 0x59: case 0x5C: case 0x5D: case 0x5E: case 0x5F: { 477bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers switch (*instr) { 478bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: opcode << "movmsk"; break; 479bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x51: opcode << "sqrt"; break; 480bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x52: opcode << "rsqrt"; break; 481bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x53: opcode << "rcp"; break; 482bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x54: opcode << "and"; break; 483bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x55: opcode << "andn"; break; 484bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x56: opcode << "or"; break; 485bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x57: opcode << "xor"; break; 486bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: opcode << "add"; break; 487bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x59: opcode << "mul"; break; 488bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5C: opcode << "sub"; break; 489bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5D: opcode << "min"; break; 490bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5E: opcode << "div"; break; 491bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5F: opcode << "max"; break; 492bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers default: LOG(FATAL) << "Unreachable"; 493bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 494bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 495bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "pd"; 496fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 497bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 498bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "sd"; 499fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 500bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 501bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ss"; 502fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 503bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 504bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ps"; 505bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 506bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 507bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 508bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 509bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 510bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 511bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5A: 512bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 513bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtpd2ps"; 514fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 515bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 516bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtsd2ss"; 517fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 518bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 519bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtss2sd"; 520fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 521bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 522bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2pd"; 523bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 524bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 525bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 526bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 527bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 528bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5B: 529bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 530bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2dq"; 531fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 532bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 533bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "bad opcode F2 0F 5B"; 534bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 535bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvttps2dq"; 536fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 537bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 538bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtdq2ps"; 539bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 540bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 541bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 542bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 543bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 544d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru case 0x62: 545d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru if (prefix[2] == 0x66) { 546d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = SSE; 547d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru prefix[2] = 0; // Clear prefix now. It has served its purpose as part of the opcode. 548d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } else { 549d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = MMX; 550d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } 551d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru opcode << "punpckldq"; 552d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru load = true; 553d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru has_modrm = true; 554d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru break; 555bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6E: 556bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 557bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 558fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 559bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 560bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 561bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 562fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 563bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 564bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 565bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 566bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6F: 567bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 568fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 569bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqa"; 570fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 571bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 572fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 573bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqu"; 574fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 575bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 576bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 577bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movq"; 578bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 579bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 580bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 581bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 582fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0x70: 583fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 584fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pshufd"; 585fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 586fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 587fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 588fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 589fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 590fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else if (prefix[0] == 0xF2) { 591fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pshuflw"; 592fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[0] = 0; 593fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 594fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 595fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 596fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 597fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 598fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 599fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 600fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 601fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x71: 602fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 603fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 604fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 605fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 606fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 607fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 608fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x71_opcodes[] = {"unknown-71", "unknown-71", "psrlw", "unknown-71", "psraw", "unknown-71", "psllw", "unknown-71"}; 609fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x71_opcodes; 610fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 611fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 612fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 613fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 614fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 615fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x72: 616fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 617fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 618fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 619fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 620fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 621fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 622fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x72_opcodes[] = {"unknown-72", "unknown-72", "psrld", "unknown-72", "psrad", "unknown-72", "pslld", "unknown-72"}; 623fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x72_opcodes; 624fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 625fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 626fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 627fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 628fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 629fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x73: 630fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 631fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 632fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 633fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 634fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 635fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 636fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x73_opcodes[] = {"unknown-73", "unknown-73", "psrlq", "unknown-73", "unknown-73", "unknown-73", "psllq", "unknown-73"}; 637fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x73_opcodes; 638fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 639fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 640fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 641fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 642fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 643fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x7E: 644fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 645fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 646fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 647fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 648fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = MMX; 649fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 650fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 651fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 652fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 653fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 654706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: 655706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: case 0x89: case 0x8A: case 0x8B: case 0x8C: case 0x8D: case 0x8E: case 0x8F: 656706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 657706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 4; 658706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 6597caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: 6607caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x98: case 0x99: case 0x9A: case 0x9B: case 0x9C: case 0x9D: case 0x9E: case 0x9F: 6617caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "set" << condition_codes[*instr & 0xF]; 6627caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = NULL; 6637caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 6647caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 6657caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 6667caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 6674708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell case 0xA4: 6684708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell opcode << "shld"; 6694708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell has_modrm = true; 6704708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell load = true; 6714708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell immediate_bytes = 1; 6724708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell break; 6734708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell case 0xAC: 6744708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell opcode << "shrd"; 6754708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell has_modrm = true; 6764708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell load = true; 6774708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell immediate_bytes = 1; 6784708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell break; 679703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0xAE: 680703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (prefix[0] == 0xF3) { 6815e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 682703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"rdfsbase", "rdgsbase", "wrfsbase", "wrgsbase", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE"}; 683703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 684703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 685703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 686703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao uint8_t reg_or_opcode = (instr[1] >> 3) & 7; 687703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao switch (reg_or_opcode) { 688703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0: 689703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 690703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 691703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 692703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 1: 693703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 694703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 695703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 696703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 2: 697703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 698703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 699703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 700703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 3: 701703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 702703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 703703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 704703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao default: 705703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 706703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 707703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 708703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } else { 709703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "lfence", "mfence", "sfence"}; 710703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 711703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 712703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 713703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 714703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao no_ops = true; 715703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 716703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 717f723f0cdc693f81581c0781fa472b1c85a8b42d6Mark Mendell case 0xAF: opcode << "imul"; has_modrm = true; load = true; break; 7188302576126efae240eb21c7545cda7982437bd26jeffhao case 0xB1: opcode << "cmpxchg"; has_modrm = true; store = true; break; 7197caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB6: opcode << "movzxb"; has_modrm = true; load = true; break; 7207caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB7: opcode << "movzxw"; has_modrm = true; load = true; break; 721854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBE: opcode << "movsxb"; has_modrm = true; load = true; break; 722854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBF: opcode << "movsxw"; has_modrm = true; load = true; break; 723fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xC5: 724fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 725fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pextrw"; 726fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 727fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 728fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell store = true; 729fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 730fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell immediate_bytes = 1; 731fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 732fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 733fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 734fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 73570b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko case 0xC7: 73670b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir 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" }; 73770b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko modrm_opcodes = x0FxC7_opcodes; 73870b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko has_modrm = true; 73970b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko reg_is_opcode = true; 74070b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko store = true; 74170b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko break; 742a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko case 0xC8: case 0xC9: case 0xCA: case 0xCB: case 0xCC: case 0xCD: case 0xCE: case 0xCF: 743a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko opcode << "bswap"; 744a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko reg_in_opcode = true; 745a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko break; 746fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xDB: 747fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 748fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 749fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 750fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 751fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 752fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 753fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pand"; 754fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 755fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 756fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 757fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 758fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xD5: 759fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 760fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pmullw"; 761fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 762fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 763fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 764fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 765fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 766fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 767fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 768fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 769fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xEB: 770fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 771fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 772fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 773fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 774fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 775fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 776fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "por"; 777fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 778fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 779fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 780fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 781fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xEF: 782fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 783fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 784fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 785fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 786fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 787fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 788fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "pxor"; 789fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 790fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 791fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 792fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 793fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xF8: 794fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 795fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 796fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 797fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 798fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 799fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 800fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "psubb"; 801fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 802fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 803fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 804fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 805fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xF9: 806fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 807fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 808fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 809fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 810fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 811fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 812fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "psubw"; 813fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 814fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 815fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 816fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 817fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xFA: 818fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 819fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 820fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 821fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 822fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 823fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 824fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "psubd"; 825fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 826fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 827fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 828fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 829fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xFC: 830fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 831fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 832fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 833fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 834fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 835fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 836fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "paddb"; 837fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 838fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 839fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 840fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 841fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xFD: 842fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 843fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 844fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 845fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 846fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 847fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 848fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "paddw"; 849fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 850fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 851fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 852fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 853fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell case 0xFE: 854fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell if (prefix[2] == 0x66) { 855fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = SSE; 856fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 857fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } else { 858fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell src_reg_file = dst_reg_file = MMX; 859fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell } 860fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell opcode << "paddd"; 861fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell prefix[2] = 0; 862fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell has_modrm = true; 863fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell load = true; 864fe94578b63380f464c3abd5c156b7b31d068db6cMark Mendell break; 865706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 866706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 867706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 868706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 869706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 870706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: 871706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* x80_opcodes[] = {"add", "or", "adc", "sbb", "and", "sub", "xor", "cmp"}; 872706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = x80_opcodes; 873706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 874706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 875706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers store = true; 876706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers byte_operand = (*instr & 1) == 0; 877706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = *instr == 0x81 ? 4 : 1; 878706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 879703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x84: case 0x85: 880703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "test"; 881703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 882703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 883703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao byte_operand = (*instr & 1) == 0; 884703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 8857caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x8D: 8867caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "lea"; 8877caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 8887caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = true; 8897caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 890703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x8F: 891703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "pop"; 892703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 893703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 894703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 895703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 8962bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell case 0x99: 8972bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell opcode << "cdq"; 8982bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell break; 899d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov case 0x9B: 900d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov if (instr[1] == 0xDF && instr[2] == 0xE0) { 901d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << "fstsw\tax"; 902d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov instr += 2; 903d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } else { 904d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << StringPrintf("unknown opcode '%02X'", *instr); 905d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } 906d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov break; 9074028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell case 0xAF: 9084028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell opcode << (prefix[2] == 0x66 ? "scasw" : "scasl"); 9094028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell break; 910706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB0: case 0xB1: case 0xB2: case 0xB3: case 0xB4: case 0xB5: case 0xB6: case 0xB7: 911706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 912706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 1; 913a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell byte_operand = true; 914706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 915706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 916706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB8: case 0xB9: case 0xBA: case 0xBB: case 0xBC: case 0xBD: case 0xBE: case 0xBF: 917706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 918706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 4; 919706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 920706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 9217caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xC0: case 0xC1: 922e296248a124ed8287b38a9225463696c18d84cd6jeffhao case 0xD0: case 0xD1: case 0xD2: case 0xD3: 9237caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers static const char* shift_opcodes[] = 9247caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers {"rol", "ror", "rcl", "rcr", "shl", "shr", "unknown-shift", "sar"}; 9257caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = shift_opcodes; 9267caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 9277caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 9287caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 92916b5c294c37460b51dc1f5296000cc80bbd33419Elliott Hughes immediate_bytes = ((*instr & 0xf0) == 0xc0) ? 1 : 0; 930e296248a124ed8287b38a9225463696c18d84cd6jeffhao cx = (*instr == 0xD2) || (*instr == 0xD3); 931e296248a124ed8287b38a9225463696c18d84cd6jeffhao byte_operand = (*instr == 0xC0); 9327caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 933706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xC3: opcode << "ret"; break; 934a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell case 0xC6: 935a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell static const char* c6_opcodes[] = {"mov", "unknown-c6", "unknown-c6", "unknown-c6", "unknown-c6", "unknown-c6", "unknown-c6", "unknown-c6"}; 936a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell modrm_opcodes = c6_opcodes; 937a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell store = true; 938a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell immediate_bytes = 1; 939a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell has_modrm = true; 940a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell reg_is_opcode = true; 941a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell byte_operand = true; 942a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell break; 9430589ca9245849df238812444952c674e01361f2aElliott Hughes case 0xC7: 9440589ca9245849df238812444952c674e01361f2aElliott Hughes static const char* c7_opcodes[] = {"mov", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7"}; 9450589ca9245849df238812444952c674e01361f2aElliott Hughes modrm_opcodes = c7_opcodes; 9460589ca9245849df238812444952c674e01361f2aElliott Hughes store = true; 9470589ca9245849df238812444952c674e01361f2aElliott Hughes immediate_bytes = 4; 9480589ca9245849df238812444952c674e01361f2aElliott Hughes has_modrm = true; 9490589ca9245849df238812444952c674e01361f2aElliott Hughes reg_is_opcode = true; 9500589ca9245849df238812444952c674e01361f2aElliott Hughes break; 9517caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xCC: opcode << "int 3"; break; 952d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xD9: 953d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov if (instr[1] == 0xF8) { 954d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << "fprem"; 955d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov instr++; 956d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } else { 957d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov static const char* d9_opcodes[] = {"flds", "unknown-d9", "fsts", "fstps", "fldenv", "fldcw", 958d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov "fnstenv", "fnstcw"}; 959d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov modrm_opcodes = d9_opcodes; 960d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov store = true; 961d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov has_modrm = true; 962d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov reg_is_opcode = true; 963d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } 964d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov break; 965d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov case 0xDA: 966d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov if (instr[1] == 0xE9) { 967d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << "fucompp"; 968d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov instr++; 969d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } else { 970d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov opcode << StringPrintf("unknown opcode '%02X'", *instr); 971d48b8a2bc111d30ebafdd2c661e9c0789f5c66a7Vladimir Kostyukov } 972d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 973614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru case 0xDB: 974614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru static const char* db_opcodes[] = {"fildl", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db"}; 975614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru modrm_opcodes = db_opcodes; 976614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru load = true; 977614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru has_modrm = true; 978614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru reg_is_opcode = true; 979614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru break; 980d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xDD: 981d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* dd_opcodes[] = {"fldl", "fisttp", "fstl", "fstpl", "frstor", "unknown-dd", "fnsave", "fnstsw"}; 982d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = dd_opcodes; 983d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 984d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 985d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 986d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 987614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru case 0xDF: 988614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru static const char* df_opcodes[] = {"fild", "unknown-df", "unknown-df", "unknown-df", "unknown-df", "fildll", "unknown-df", "unknown-df"}; 989614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru modrm_opcodes = df_opcodes; 990614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru load = true; 991614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru has_modrm = true; 992614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru reg_is_opcode = true; 993614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru break; 9944028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell case 0xE3: opcode << "jecxz"; branch_bytes = 1; break; 9957caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xE8: opcode << "call"; branch_bytes = 4; break; 996706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xE9: opcode << "jmp"; branch_bytes = 4; break; 997706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xEB: opcode << "jmp"; branch_bytes = 1; break; 99877ae36b35d47393335bf5399cab9c91ccf08e88fjeffhao case 0xF5: opcode << "cmc"; break; 999174651dea03956e160a2cff0d842954823c49134jeffhao case 0xF6: case 0xF7: 1000174651dea03956e160a2cff0d842954823c49134jeffhao 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 /"}; 1001174651dea03956e160a2cff0d842954823c49134jeffhao modrm_opcodes = f7_opcodes; 1002174651dea03956e160a2cff0d842954823c49134jeffhao has_modrm = true; 1003174651dea03956e160a2cff0d842954823c49134jeffhao reg_is_opcode = true; 1004174651dea03956e160a2cff0d842954823c49134jeffhao store = true; 1005174651dea03956e160a2cff0d842954823c49134jeffhao immediate_bytes = ((instr[1] & 0x38) == 0) ? 1 : 0; 1006174651dea03956e160a2cff0d842954823c49134jeffhao break; 1007706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xFF: 1008706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* ff_opcodes[] = {"inc", "dec", "call", "call", "jmp", "jmp", "push", "unknown-ff"}; 1009706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = ff_opcodes; 1010706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 1011706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 1012706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers load = true; 1013706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 1014706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 1015706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '%02X'", *instr); 1016706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 1017706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1018706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream args; 1019122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov // We force the REX prefix to be available for 64-bit target 1020122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov // in order to dump addr (base/index) registers correctly. 1021122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov uint8_t rex64 = supports_rex_ ? (rex | 0x40) : rex; 1022706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (reg_in_opcode) { 1023706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 1024122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov // REX.W should be forced for 64-target and target-specific instructions (i.e., push or pop). 1025122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov uint8_t rex_w = (supports_rex_ && target_specific) ? (rex | 0x48) : rex; 1026122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpOpcodeReg(args, rex_w, *instr & 0x7); 1027706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1028706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 102992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes uint32_t address_bits = 0; 1030706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (has_modrm) { 1031706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t modrm = *instr; 1032706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 1033706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t mod = modrm >> 6; 1034706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t reg_or_opcode = (modrm >> 3) & 7; 1035706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t rm = modrm & 7; 1036706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream address; 1037e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (mod == 0 && rm == 5) { 1038e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (!supports_rex_) { // Absolute address. 1039e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address_bits = *reinterpret_cast<const uint32_t*>(instr); 1040e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf("[0x%x]", address_bits); 1041e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } else { // 64-bit RIP relative addressing. 1042e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf("[RIP + 0x%x]", *reinterpret_cast<const uint32_t*>(instr)); 1043e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } 1044706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 1045706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (rm == 4 && mod != 3) { // SIB 1046706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t sib = *instr; 1047706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 1048e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov uint8_t scale = (sib >> 6) & 3; 1049706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t index = (sib >> 3) & 7; 1050706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t base = sib & 7; 1051706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 1052706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (base != 5 || mod != 0) { 1053122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpBaseReg(address, rex64, base); 1054706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 1055706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << " + "; 1056706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1057706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1058706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 1059122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpIndexReg(address, rex64, index); 1060e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (scale != 0) { 1061e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf(" * %d", 1 << scale); 1062706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1063706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1064e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (mod == 0) { 1065e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (base == 5) { 1066e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov if (index != 4) { 1067e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 1068e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } else { 1069e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov // 64-bit low 32-bit absolute address, redundant absolute address encoding on 32-bit. 1070e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address_bits = *reinterpret_cast<const uint32_t*>(instr); 1071e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov address << StringPrintf("%d", address_bits); 1072e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } 1073e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov instr += 4; 1074e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } 1075e8861b30ac8b2b1ca49386f9c9218f1d6fedc511Vladimir Kostyukov } else if (mod == 1) { 1076706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 1077706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 1078706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (mod == 2) { 1079706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 1080706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 1081706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1082706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 1083706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 1084bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 3) { 1085703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (!no_ops) { 1086122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpRmReg(address, rex, rm, byte_operand, prefix[2], load ? src_reg_file : dst_reg_file); 1087703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 1088bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 1089706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 1090122113a8a233f824c014a8fe9d90626218c4dccaVladimir Kostyukov DumpBaseReg(address, rex64, rm); 1091bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 1) { 1092bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 1093bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr++; 1094bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (mod == 2) { 1095bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 1096bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr += 4; 1097bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 1098706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 1099706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1100706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1101706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 11027caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (reg_is_opcode && modrm_opcodes != NULL) { 1103706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << modrm_opcodes[reg_or_opcode]; 1104706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1105a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell 1106a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell // Add opcode suffixes to indicate size. 1107a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell if (byte_operand) { 1108a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell opcode << 'b'; 1109a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell } else if ((rex & REX_W) != 0) { 1110a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell opcode << 'q'; 1111a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell } else if (prefix[2] == 0x66) { 1112a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell opcode << 'w'; 1113a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell } 1114a33720c7370d1c9e0d6569d7126bb06f2083c614Mark Mendell 1115706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (load) { 1116706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 1117bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], dst_reg_file); 1118706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 1119706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1120706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 1121706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 1122706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 1123706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(store); 1124706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 1125706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 1126706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 1127706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 1128bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], src_reg_file); 1129706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1130706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1131706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1132706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ax) { 1133fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // If this opcode implicitly uses ax, ax is always the first arg. 1134bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, 0 /* EAX */, byte_operand, prefix[2], GPR); 1135706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1136e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (cx) { 1137e296248a124ed8287b38a9225463696c18d84cd6jeffhao args << ", "; 1138e296248a124ed8287b38a9225463696c18d84cd6jeffhao DumpReg(args, rex, 1 /* ECX */, true, prefix[2], GPR); 1139e296248a124ed8287b38a9225463696c18d84cd6jeffhao } 1140706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes > 0) { 1141e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (has_modrm || reg_in_opcode || ax || cx) { 1142706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 1143706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1144706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes == 1) { 1145706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int8_t*>(instr)); 1146706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 1147706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 1148706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(immediate_bytes, 4u); 114967d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell if (prefix[2] == 0x66) { // Operand size override from 32-bit to 16-bit. 115067d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell args << StringPrintf("%d", *reinterpret_cast<const int16_t*>(instr)); 115167d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell instr += 2; 115267d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell } else { 115367d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell args << StringPrintf("%d", *reinterpret_cast<const int32_t*>(instr)); 115467d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell instr += 4; 115567d18be2a5bddbd8ee9ef144b34ccaeba08a1db2Mark Mendell } 1156706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1157706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (branch_bytes > 0) { 1158706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 1159706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers int32_t displacement; 1160706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (branch_bytes == 1) { 1161706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int8_t*>(instr); 1162706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 1163706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 1164706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(branch_bytes, 4u); 1165706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int32_t*>(instr); 1166706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 1167706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 116814178a99fd397737124e65d5ccb9446f85c5ca93Elliott Hughes args << StringPrintf("%+d (%p)", displacement, instr + displacement); 1169706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 1170dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers if (prefix[1] == kFs && !supports_rex_) { 117192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes args << " ; "; 1172dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers Thread::DumpThreadOffset<4>(args, address_bits); 1173dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers } 1174dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers if (prefix[1] == kGs && supports_rex_) { 1175dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers args << " ; "; 1176dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers Thread::DumpThreadOffset<8>(args, address_bits); 117792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes } 117828fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes std::stringstream hex; 1179706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (size_t i = 0; begin_instr + i < instr; ++i) { 118028fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes hex << StringPrintf("%02X", begin_instr[i]); 1181706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 11825e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers std::stringstream prefixed_opcode; 11835e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers switch (prefix[0]) { 11845e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF0: prefixed_opcode << "lock "; break; 11855e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF2: prefixed_opcode << "repne "; break; 11865e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF3: prefixed_opcode << "repe "; break; 11875e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0: break; 11885e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers default: LOG(FATAL) << "Unreachable"; 11895e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers } 11905e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode << opcode.str(); 11915e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers os << StringPrintf("%p: %22s \t%-7s ", begin_instr, hex.str().c_str(), 11925e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode.str().c_str()) 11935e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers << args.str() << '\n'; 1194706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers return instr - begin_instr; 11957934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // NOLINT(readability/fn_size) 1196706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 1197706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace x86 1198706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace art 1199