disassembler_x86.cc revision d19b55a05b52b7f7da9f894eba63ed03e2a62283
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 281895ea386ca78573302483f589ebabd8ce1480e7Brian CarlstromDisassemblerX86::DisassemblerX86() {} 29706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 30b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogerssize_t DisassemblerX86::Dump(std::ostream& os, const uint8_t* begin) { 31b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers return DumpInstruction(os, begin); 32b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers} 33b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers 34706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersvoid DisassemblerX86::Dump(std::ostream& os, const uint8_t* begin, const uint8_t* end) { 35706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t length = 0; 36706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (const uint8_t* cur = begin; cur < end; cur += length) { 37706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers length = DumpInstruction(os, cur); 38706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 39706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 40706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 41706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic const char* gReg8Names[] = { "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh" }; 42703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhaostatic const char* gReg16Names[] = { "ax", "cx", "dx", "bx", "sp", "bp", "si", "di" }; 43703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhaostatic const char* gReg32Names[] = { "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi" }; 44706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 45706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic void DumpReg0(std::ostream& os, uint8_t /*rex*/, size_t reg, 46706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool byte_operand, uint8_t size_override) { 47706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK_LT(reg, 8u); 48706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // TODO: combine rex into size 49706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t size = byte_operand ? 1 : (size_override == 0x66 ? 2 : 4); 50706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (size) { 51706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 1: os << gReg8Names[reg]; break; 52706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 2: os << gReg16Names[reg]; break; 53706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 4: os << gReg32Names[reg]; break; 54706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: LOG(FATAL) << "unexpected size " << size; 55706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 56706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 57706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 58bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogersenum RegFile { GPR, MMX, SSE }; 59bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers 60706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic void DumpReg(std::ostream& os, uint8_t rex, uint8_t reg, 61bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers bool byte_operand, uint8_t size_override, RegFile reg_file) { 62706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t reg_num = reg; // TODO: combine with REX.R on 64bit 63bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (reg_file == GPR) { 64bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg0(os, rex, reg_num, byte_operand, size_override); 65bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (reg_file == SSE) { 66bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers os << "xmm" << reg_num; 67bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 68bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers os << "mm" << reg_num; 69bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 70706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 71706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 727caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogersstatic void DumpBaseReg(std::ostream& os, uint8_t rex, uint8_t reg) { 73706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t reg_num = reg; // TODO: combine with REX.B on 64bit 747caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpReg0(os, rex, reg_num, false, 0); 75706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 76706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 777caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogersstatic void DumpIndexReg(std::ostream& os, uint8_t rex, uint8_t reg) { 78706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers int reg_num = reg; // TODO: combine with REX.X on 64bit 797caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpReg0(os, rex, reg_num, false, 0); 80706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 81706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 8292301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughesenum SegmentPrefix { 8392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kCs = 0x2e, 8492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kSs = 0x36, 8592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kDs = 0x3e, 8692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kEs = 0x26, 8792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kFs = 0x64, 8892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kGs = 0x65, 8992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes}; 9092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes 91706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic void DumpSegmentOverride(std::ostream& os, uint8_t segment_prefix) { 92706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (segment_prefix) { 9392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kCs: os << "cs:"; break; 9492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kSs: os << "ss:"; break; 9592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kDs: os << "ds:"; break; 9692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kEs: os << "es:"; break; 9792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kFs: os << "fs:"; break; 9892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kGs: os << "gs:"; break; 99706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: break; 100706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 101706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 102706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 103706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogerssize_t DisassemblerX86::DumpInstruction(std::ostream& os, const uint8_t* instr) { 104706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers const uint8_t* begin_instr = instr; 105706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool have_prefixes = true; 106706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t prefix[4] = {0, 0, 0, 0}; 107706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers const char** modrm_opcodes = NULL; 108706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers do { 109706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 1107caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers // Group 1 - lock and repeat prefixes: 111706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF0: 112706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF2: 113706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF3: 114706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[0] = *instr; 115706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 116706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 2 - segment override prefixes: 11792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kCs: 11892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kSs: 11992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kDs: 12092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kEs: 12192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kFs: 12292301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kGs: 123706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[1] = *instr; 124706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 125706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 3 - operand size override: 126706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x66: 127706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[2] = *instr; 128706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 129706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 4 - address size override: 130706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x67: 131706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[3] = *instr; 132706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 133706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 134706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers have_prefixes = false; 135706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 136706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 137706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (have_prefixes) { 138706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 139706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 140706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } while (have_prefixes); 141706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t rex = (*instr >= 0x40 && *instr <= 0x4F) ? *instr : 0; 142706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool has_modrm = false; 143706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool reg_is_opcode = false; 144706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t immediate_bytes = 0; 145706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t branch_bytes = 0; 146706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream opcode; 147706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool store = false; // stores to memory (ie rm is on the left) 148706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool load = false; // loads from memory (ie rm is on the right) 149706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool byte_operand = false; 150706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool ax = false; // implicit use of ax 151e296248a124ed8287b38a9225463696c18d84cd6jeffhao bool cx = false; // implicit use of cx 152706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool reg_in_opcode = false; // low 3-bits of opcode encode register parameter 153703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao bool no_ops = false; 154bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers RegFile src_reg_file = GPR; 155bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers RegFile dst_reg_file = GPR; 156706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 157706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#define DISASSEMBLER_ENTRY(opname, \ 158706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers rm8_r8, rm32_r32, \ 159706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers r8_rm8, r32_rm32, \ 160706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers ax8_i8, ax32_i32) \ 161706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case rm8_r8: opcode << #opname; store = true; has_modrm = true; byte_operand = true; break; \ 162706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case rm32_r32: opcode << #opname; store = true; has_modrm = true; break; \ 163706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case r8_rm8: opcode << #opname; load = true; has_modrm = true; byte_operand = true; break; \ 164706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case r32_rm32: opcode << #opname; load = true; has_modrm = true; break; \ 165706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case ax8_i8: opcode << #opname; ax = true; immediate_bytes = 1; byte_operand = true; break; \ 166706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case ax32_i32: opcode << #opname; ax = true; immediate_bytes = 4; break; 167706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 168706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(add, 169706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x00 /* RegMem8/Reg8 */, 0x01 /* RegMem32/Reg32 */, 170706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x02 /* Reg8/RegMem8 */, 0x03 /* Reg32/RegMem32 */, 171706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x04 /* Rax8/imm8 opcode */, 0x05 /* Rax32/imm32 */) 172706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(or, 173706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x08 /* RegMem8/Reg8 */, 0x09 /* RegMem32/Reg32 */, 174706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x0A /* Reg8/RegMem8 */, 0x0B /* Reg32/RegMem32 */, 175706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x0C /* Rax8/imm8 opcode */, 0x0D /* Rax32/imm32 */) 176706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(adc, 177706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x10 /* RegMem8/Reg8 */, 0x11 /* RegMem32/Reg32 */, 178706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x12 /* Reg8/RegMem8 */, 0x13 /* Reg32/RegMem32 */, 179706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x14 /* Rax8/imm8 opcode */, 0x15 /* Rax32/imm32 */) 180706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(sbb, 181706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x18 /* RegMem8/Reg8 */, 0x19 /* RegMem32/Reg32 */, 182706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x1A /* Reg8/RegMem8 */, 0x1B /* Reg32/RegMem32 */, 183706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x1C /* Rax8/imm8 opcode */, 0x1D /* Rax32/imm32 */) 184706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(and, 185706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x20 /* RegMem8/Reg8 */, 0x21 /* RegMem32/Reg32 */, 186706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x22 /* Reg8/RegMem8 */, 0x23 /* Reg32/RegMem32 */, 187706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x24 /* Rax8/imm8 opcode */, 0x25 /* Rax32/imm32 */) 188706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(sub, 189706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x28 /* RegMem8/Reg8 */, 0x29 /* RegMem32/Reg32 */, 190706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x2A /* Reg8/RegMem8 */, 0x2B /* Reg32/RegMem32 */, 191706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x2C /* Rax8/imm8 opcode */, 0x2D /* Rax32/imm32 */) 192706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(xor, 193706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x30 /* RegMem8/Reg8 */, 0x31 /* RegMem32/Reg32 */, 194706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x32 /* Reg8/RegMem8 */, 0x33 /* Reg32/RegMem32 */, 195706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x34 /* Rax8/imm8 opcode */, 0x35 /* Rax32/imm32 */) 196706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(cmp, 197706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x38 /* RegMem8/Reg8 */, 0x39 /* RegMem32/Reg32 */, 198706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x3A /* Reg8/RegMem8 */, 0x3B /* Reg32/RegMem32 */, 199706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x3C /* Rax8/imm8 opcode */, 0x3D /* Rax32/imm32 */) 200706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 201706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#undef DISASSEMBLER_ENTRY 202706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 203706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "push"; 204706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 205706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 206706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x58: case 0x59: case 0x5A: case 0x5B: case 0x5C: case 0x5D: case 0x5E: case 0x5F: 207706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "pop"; 208706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 209706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 210706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x68: opcode << "push"; immediate_bytes = 4; break; 211d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0x69: opcode << "imul"; load = true; has_modrm = true; immediate_bytes = 4; break; 212706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x6A: opcode << "push"; immediate_bytes = 1; break; 213d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0x6B: opcode << "imul"; load = true; has_modrm = true; immediate_bytes = 1; break; 214706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77: 215706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x78: case 0x79: case 0x7A: case 0x7B: case 0x7C: case 0x7D: case 0x7E: case 0x7F: 216706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* condition_codes[] = 217b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes {"o", "no", "b/nae/c", "nb/ae/nc", "z/eq", "nz/ne", "be/na", "nbe/a", 218b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes "s", "ns", "p/pe", "np/po", "l/nge", "nl/ge", "le/ng", "nle/g" 219706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers }; 220706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 221706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 1; 222706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 223706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: opcode << "mov"; store = true; has_modrm = true; byte_operand = true; break; 224706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x89: opcode << "mov"; store = true; has_modrm = true; break; 225706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x8A: opcode << "mov"; load = true; has_modrm = true; byte_operand = true; break; 226706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x8B: opcode << "mov"; load = true; has_modrm = true; break; 227706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 228706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x0F: // 2 byte extended opcode 229706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 230706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 2317caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x10: case 0x11: 2327caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (prefix[0] == 0xF2) { 2337caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movsd"; 234fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 2357caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else if (prefix[0] == 0xF3) { 2367caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movss"; 237fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 2387caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else if (prefix[2] == 0x66) { 2397caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movupd"; 240fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 2417caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else { 2427caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movups"; 2437caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } 2447caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 245bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 2467caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = *instr == 0x10; 2477caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = !load; 2487caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 249fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2A: 250fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 251fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2pd"; 252fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 253fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 254fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2sd"; 255fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 256fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 257fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2ss"; 258fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 259fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 260fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2ps"; 261fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 262fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 263fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 264fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 265fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 266fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2C: 267fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 268fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttpd2pi"; 269fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 270fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 271fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttsd2si"; 272fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 273fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 274fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttss2si"; 275fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 276fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 277fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttps2pi"; 278fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 279fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 280fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 281fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 282fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 283fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2D: 284fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 285fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpd2pi"; 286fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 287fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 288fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsd2si"; 289fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 290fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 291fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtss2si"; 292fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 293fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 294fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtps2pi"; 295fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 296fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 297fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 298fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 299fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 300fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2E: 301fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "u"; 302fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // FALLTHROUGH 303fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2F: 304fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 305fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comisd"; 306fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 307fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 308fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comiss"; 309fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 310fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 311fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 312fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = dst_reg_file = SSE; 313fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 314706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x38: // 3 byte extended opcode 315706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F 38 %02X'", *instr); 316706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 317706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x3A: // 3 byte extended opcode 318706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F 3A %02X'", *instr); 319706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 320bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 321bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: case 0x59: case 0x5C: case 0x5D: case 0x5E: case 0x5F: { 322bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers switch (*instr) { 323bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: opcode << "movmsk"; break; 324bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x51: opcode << "sqrt"; break; 325bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x52: opcode << "rsqrt"; break; 326bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x53: opcode << "rcp"; break; 327bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x54: opcode << "and"; break; 328bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x55: opcode << "andn"; break; 329bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x56: opcode << "or"; break; 330bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x57: opcode << "xor"; break; 331bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: opcode << "add"; break; 332bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x59: opcode << "mul"; break; 333bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5C: opcode << "sub"; break; 334bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5D: opcode << "min"; break; 335bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5E: opcode << "div"; break; 336bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5F: opcode << "max"; break; 337bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers default: LOG(FATAL) << "Unreachable"; 338bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 339bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 340bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "pd"; 341fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 342bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 343bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "sd"; 344fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 345bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 346bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ss"; 347fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 348bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 349bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ps"; 350bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 351bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 352bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 353bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 354bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 355bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 356bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5A: 357bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 358bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtpd2ps"; 359fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 360bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 361bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtsd2ss"; 362fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 363bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 364bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtss2sd"; 365fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 366bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 367bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2pd"; 368bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 369bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 370bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 371bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 372bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 373bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5B: 374bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 375bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2dq"; 376fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 377bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 378bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "bad opcode F2 0F 5B"; 379bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 380bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvttps2dq"; 381fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 382bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 383bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtdq2ps"; 384bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 385bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 386bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 387bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 388bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 389bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6E: 390bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 391bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 392fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 393bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 394bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 395bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 396fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 397bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 398bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 399bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 400bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6F: 401bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 402bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 403bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqa"; 404fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 405bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 406bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 407bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqu"; 408fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 409bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 410bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 411bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movq"; 412bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 413bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 414bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 415bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 416fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x71: 417fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 418fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 419fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 420fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 421fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 422fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 423fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x71_opcodes[] = {"unknown-71", "unknown-71", "psrlw", "unknown-71", "psraw", "unknown-71", "psllw", "unknown-71"}; 424fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x71_opcodes; 425fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 426fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 427fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 428fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 429fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 430fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x72: 431fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 432fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 433fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 434fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 435fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 436fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 437fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x72_opcodes[] = {"unknown-72", "unknown-72", "psrld", "unknown-72", "psrad", "unknown-72", "pslld", "unknown-72"}; 438fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x72_opcodes; 439fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 440fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 441fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 442fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 443fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 444fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x73: 445fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 446fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 447fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 448fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 449fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 450fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 451fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x73_opcodes[] = {"unknown-73", "unknown-73", "psrlq", "unknown-73", "unknown-73", "unknown-73", "psllq", "unknown-73"}; 452fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x73_opcodes; 453fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 454fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 455fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 456fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 457fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 458fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x7E: 459fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 460fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 461fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 462fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 463fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = MMX; 464fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 465fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 466fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 467fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 468fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 469706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: 470706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: case 0x89: case 0x8A: case 0x8B: case 0x8C: case 0x8D: case 0x8E: case 0x8F: 471706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 472706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 4; 473706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 4747caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: 4757caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x98: case 0x99: case 0x9A: case 0x9B: case 0x9C: case 0x9D: case 0x9E: case 0x9F: 4767caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "set" << condition_codes[*instr & 0xF]; 4777caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = NULL; 4787caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 4797caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 4807caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 4817caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 482703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0xAE: 483703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (prefix[0] == 0xF3) { 4845e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 485703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"rdfsbase", "rdgsbase", "wrfsbase", "wrgsbase", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE"}; 486703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 487703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 488703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 489703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao uint8_t reg_or_opcode = (instr[1] >> 3) & 7; 490703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao switch (reg_or_opcode) { 491703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0: 492703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 493703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 494703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 495703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 1: 496703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 497703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 498703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 499703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 2: 500703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 501703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 502703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 503703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 3: 504703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 505703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 506703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 507703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao default: 508703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 509703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 510703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 511703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } else { 512703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "lfence", "mfence", "sfence"}; 513703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 514703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 515703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 516703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 517703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao no_ops = true; 518703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 519703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 520f723f0cdc693f81581c0781fa472b1c85a8b42d6Mark Mendell case 0xAF: opcode << "imul"; has_modrm = true; load = true; break; 5218302576126efae240eb21c7545cda7982437bd26jeffhao case 0xB1: opcode << "cmpxchg"; has_modrm = true; store = true; break; 5227caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB6: opcode << "movzxb"; has_modrm = true; load = true; break; 5237caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB7: opcode << "movzxw"; has_modrm = true; load = true; break; 524854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBE: opcode << "movsxb"; has_modrm = true; load = true; break; 525854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBF: opcode << "movsxw"; has_modrm = true; load = true; break; 52670b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko case 0xC7: 52770b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir 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" }; 52870b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko modrm_opcodes = x0FxC7_opcodes; 52970b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko has_modrm = true; 53070b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko reg_is_opcode = true; 53170b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko store = true; 53270b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko break; 533a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko case 0xC8: case 0xC9: case 0xCA: case 0xCB: case 0xCC: case 0xCD: case 0xCE: case 0xCF: 534a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko opcode << "bswap"; 535a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko reg_in_opcode = true; 536a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko break; 537706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 538706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 539706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 540706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 541706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 542706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: 543706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* x80_opcodes[] = {"add", "or", "adc", "sbb", "and", "sub", "xor", "cmp"}; 544706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = x80_opcodes; 545706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 546706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 547706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers store = true; 548706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers byte_operand = (*instr & 1) == 0; 549706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = *instr == 0x81 ? 4 : 1; 550706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 551703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x84: case 0x85: 552703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "test"; 553703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 554703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 555703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao byte_operand = (*instr & 1) == 0; 556703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 5577caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x8D: 5587caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "lea"; 5597caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 5607caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = true; 5617caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 562703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x8F: 563703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "pop"; 564703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 565703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 566703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 567703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 568706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB0: case 0xB1: case 0xB2: case 0xB3: case 0xB4: case 0xB5: case 0xB6: case 0xB7: 569706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 570706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 1; 571706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 572706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 573706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB8: case 0xB9: case 0xBA: case 0xBB: case 0xBC: case 0xBD: case 0xBE: case 0xBF: 574706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 575706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 4; 576706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 577706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 5787caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xC0: case 0xC1: 579e296248a124ed8287b38a9225463696c18d84cd6jeffhao case 0xD0: case 0xD1: case 0xD2: case 0xD3: 5807caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers static const char* shift_opcodes[] = 5817caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers {"rol", "ror", "rcl", "rcr", "shl", "shr", "unknown-shift", "sar"}; 5827caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = shift_opcodes; 5837caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 5847caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 5857caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 58616b5c294c37460b51dc1f5296000cc80bbd33419Elliott Hughes immediate_bytes = ((*instr & 0xf0) == 0xc0) ? 1 : 0; 587e296248a124ed8287b38a9225463696c18d84cd6jeffhao cx = (*instr == 0xD2) || (*instr == 0xD3); 588e296248a124ed8287b38a9225463696c18d84cd6jeffhao byte_operand = (*instr == 0xC0); 5897caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 590706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xC3: opcode << "ret"; break; 5910589ca9245849df238812444952c674e01361f2aElliott Hughes case 0xC7: 5920589ca9245849df238812444952c674e01361f2aElliott Hughes static const char* c7_opcodes[] = {"mov", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7"}; 5930589ca9245849df238812444952c674e01361f2aElliott Hughes modrm_opcodes = c7_opcodes; 5940589ca9245849df238812444952c674e01361f2aElliott Hughes store = true; 5950589ca9245849df238812444952c674e01361f2aElliott Hughes immediate_bytes = 4; 5960589ca9245849df238812444952c674e01361f2aElliott Hughes has_modrm = true; 5970589ca9245849df238812444952c674e01361f2aElliott Hughes reg_is_opcode = true; 5980589ca9245849df238812444952c674e01361f2aElliott Hughes break; 5997caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xCC: opcode << "int 3"; break; 600d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xD9: 601d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* d9_opcodes[] = {"flds", "unknown-d9", "fsts", "fstps", "fldenv", "fldcw", "fnstenv", "fnstcw"}; 602d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = d9_opcodes; 603d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 604d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 605d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 606d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 607d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xDD: 608d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* dd_opcodes[] = {"fldl", "fisttp", "fstl", "fstpl", "frstor", "unknown-dd", "fnsave", "fnstsw"}; 609d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = dd_opcodes; 610d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 611d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 612d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 613d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 6147caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xE8: opcode << "call"; branch_bytes = 4; break; 615706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xE9: opcode << "jmp"; branch_bytes = 4; break; 616706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xEB: opcode << "jmp"; branch_bytes = 1; break; 61777ae36b35d47393335bf5399cab9c91ccf08e88fjeffhao case 0xF5: opcode << "cmc"; break; 618174651dea03956e160a2cff0d842954823c49134jeffhao case 0xF6: case 0xF7: 619174651dea03956e160a2cff0d842954823c49134jeffhao 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 /"}; 620174651dea03956e160a2cff0d842954823c49134jeffhao modrm_opcodes = f7_opcodes; 621174651dea03956e160a2cff0d842954823c49134jeffhao has_modrm = true; 622174651dea03956e160a2cff0d842954823c49134jeffhao reg_is_opcode = true; 623174651dea03956e160a2cff0d842954823c49134jeffhao store = true; 624174651dea03956e160a2cff0d842954823c49134jeffhao immediate_bytes = ((instr[1] & 0x38) == 0) ? 1 : 0; 625174651dea03956e160a2cff0d842954823c49134jeffhao break; 626706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xFF: 627706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* ff_opcodes[] = {"inc", "dec", "call", "call", "jmp", "jmp", "push", "unknown-ff"}; 628706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = ff_opcodes; 629706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 630706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 631706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers load = true; 632706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 633706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 634706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '%02X'", *instr); 635706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 636706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 637706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream args; 638706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (reg_in_opcode) { 639706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 640bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, *instr & 0x7, false, prefix[2], GPR); 641706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 642706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 64392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes uint32_t address_bits = 0; 644706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (has_modrm) { 645706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t modrm = *instr; 646706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 647706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t mod = modrm >> 6; 648706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t reg_or_opcode = (modrm >> 3) & 7; 649706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t rm = modrm & 7; 650706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream address; 651706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (mod == 0 && rm == 5) { // fixed address 65292301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes address_bits = *reinterpret_cast<const uint32_t*>(instr); 65392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes address << StringPrintf("[0x%x]", address_bits); 654706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 655706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (rm == 4 && mod != 3) { // SIB 656706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t sib = *instr; 657706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 658706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t ss = (sib >> 6) & 3; 659706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t index = (sib >> 3) & 7; 660706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t base = sib & 7; 661706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 662706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (base != 5 || mod != 0) { 6637caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpBaseReg(address, rex, base); 664706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 665706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << " + "; 666706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 667706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 668706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 6697caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpIndexReg(address, rex, index); 670706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ss != 0) { 671706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" * %d", 1 << ss); 672706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 673706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 674706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (mod == 1) { 675706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 676706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 677706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (mod == 2) { 678706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 679706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 680706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 681706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 682706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 683bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 3) { 684703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (!no_ops) { 685703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao DumpReg(address, rex, rm, byte_operand, prefix[2], load ? src_reg_file : dst_reg_file); 686703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 687bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 688706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 689bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpBaseReg(address, rex, rm); 690bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 1) { 691bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 692bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr++; 693bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (mod == 2) { 694bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 695bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr += 4; 696bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 697706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 698706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 699706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 700706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 7017caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (reg_is_opcode && modrm_opcodes != NULL) { 702706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << modrm_opcodes[reg_or_opcode]; 703706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 704706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (load) { 705706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 706bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], dst_reg_file); 707706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 708706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 709706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 710706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 711706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 712706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(store); 713706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 714706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 715706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 716706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 717bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], src_reg_file); 718706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 719706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 720706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 721706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ax) { 722fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // If this opcode implicitly uses ax, ax is always the first arg. 723bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, 0 /* EAX */, byte_operand, prefix[2], GPR); 724706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 725e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (cx) { 726e296248a124ed8287b38a9225463696c18d84cd6jeffhao args << ", "; 727e296248a124ed8287b38a9225463696c18d84cd6jeffhao DumpReg(args, rex, 1 /* ECX */, true, prefix[2], GPR); 728e296248a124ed8287b38a9225463696c18d84cd6jeffhao } 729706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes > 0) { 730e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (has_modrm || reg_in_opcode || ax || cx) { 731706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 732706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 733706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes == 1) { 734706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int8_t*>(instr)); 735706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 736706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 737706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(immediate_bytes, 4u); 738706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int32_t*>(instr)); 739706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 740706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 741706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (branch_bytes > 0) { 742706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 743706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers int32_t displacement; 744706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (branch_bytes == 1) { 745706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int8_t*>(instr); 746706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 747706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 748706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(branch_bytes, 4u); 749706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int32_t*>(instr); 750706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 751706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 75214178a99fd397737124e65d5ccb9446f85c5ca93Elliott Hughes args << StringPrintf("%+d (%p)", displacement, instr + displacement); 753706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 75492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes if (prefix[1] == kFs) { 75592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes args << " ; "; 75692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes Thread::DumpThreadOffset(args, address_bits, 4); 75792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes } 75828fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes std::stringstream hex; 759706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (size_t i = 0; begin_instr + i < instr; ++i) { 76028fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes hex << StringPrintf("%02X", begin_instr[i]); 761706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 7625e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers std::stringstream prefixed_opcode; 7635e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers switch (prefix[0]) { 7645e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF0: prefixed_opcode << "lock "; break; 7655e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF2: prefixed_opcode << "repne "; break; 7665e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF3: prefixed_opcode << "repe "; break; 7675e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0: break; 7685e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers default: LOG(FATAL) << "Unreachable"; 7695e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers } 7705e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode << opcode.str(); 7715e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers os << StringPrintf("%p: %22s \t%-7s ", begin_instr, hex.str().c_str(), 7725e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode.str().c_str()) 7735e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers << args.str() << '\n'; 774706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers return instr - begin_instr; 7757934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // NOLINT(readability/fn_size) 776706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 777706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace x86 778706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace art 779