disassembler_x86.cc revision d3266bcc340d653e178e3ab9d74512c8db122eee
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; 320bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47: 321bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x48: case 0x49: case 0x4A: case 0x4B: case 0x4C: case 0x4D: case 0x4E: case 0x4F: 322bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru opcode << "cmov" << condition_codes[*instr & 0xF]; 323bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru has_modrm = true; 324bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru load = true; 325bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru break; 326bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 327bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: case 0x59: case 0x5C: case 0x5D: case 0x5E: case 0x5F: { 328bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers switch (*instr) { 329bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: opcode << "movmsk"; break; 330bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x51: opcode << "sqrt"; break; 331bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x52: opcode << "rsqrt"; break; 332bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x53: opcode << "rcp"; break; 333bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x54: opcode << "and"; break; 334bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x55: opcode << "andn"; break; 335bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x56: opcode << "or"; break; 336bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x57: opcode << "xor"; break; 337bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: opcode << "add"; break; 338bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x59: opcode << "mul"; break; 339bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5C: opcode << "sub"; break; 340bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5D: opcode << "min"; break; 341bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5E: opcode << "div"; break; 342bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5F: opcode << "max"; break; 343bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers default: LOG(FATAL) << "Unreachable"; 344bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 345bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 346bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "pd"; 347fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 348bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 349bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "sd"; 350fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 351bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 352bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ss"; 353fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 354bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 355bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ps"; 356bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 357bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 358bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 359bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 360bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 361bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 362bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5A: 363bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 364bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtpd2ps"; 365fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 366bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 367bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtsd2ss"; 368fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 369bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 370bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtss2sd"; 371fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 372bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 373bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2pd"; 374bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 375bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 376bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 377bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 378bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 379bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5B: 380bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 381bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2dq"; 382fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 383bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 384bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "bad opcode F2 0F 5B"; 385bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 386bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvttps2dq"; 387fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 388bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 389bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtdq2ps"; 390bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 391bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 392bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 393bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 394bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 395d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru case 0x62: 396d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru if (prefix[2] == 0x66) { 397d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = SSE; 398d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru prefix[2] = 0; // Clear prefix now. It has served its purpose as part of the opcode. 399d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } else { 400d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = MMX; 401d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } 402d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru opcode << "punpckldq"; 403d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru load = true; 404d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru has_modrm = true; 405d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru break; 406bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6E: 407bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 408bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 409fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 410bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 411bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 412bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 413fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 414bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 415bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 416bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 417bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6F: 418bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 419bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 420bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqa"; 421fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 422bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 423bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 424bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqu"; 425fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 426bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 427bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 428bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movq"; 429bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 430bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 431bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 432bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 433fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x71: 434fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 435fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 436fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 437fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 438fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 439fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 440fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x71_opcodes[] = {"unknown-71", "unknown-71", "psrlw", "unknown-71", "psraw", "unknown-71", "psllw", "unknown-71"}; 441fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x71_opcodes; 442fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 443fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 444fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 445fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 446fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 447fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x72: 448fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 449fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 450fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 451fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 452fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 453fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 454fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x72_opcodes[] = {"unknown-72", "unknown-72", "psrld", "unknown-72", "psrad", "unknown-72", "pslld", "unknown-72"}; 455fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x72_opcodes; 456fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 457fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 458fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 459fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 460fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 461fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x73: 462fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 463fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 464fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 465fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 466fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 467fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 468fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x73_opcodes[] = {"unknown-73", "unknown-73", "psrlq", "unknown-73", "unknown-73", "unknown-73", "psllq", "unknown-73"}; 469fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x73_opcodes; 470fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 471fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 472fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 473fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 474fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 475fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x7E: 476fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 477fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 478fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 479fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 480fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = MMX; 481fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 482fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 483fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 484fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 485fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 486706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: 487706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: case 0x89: case 0x8A: case 0x8B: case 0x8C: case 0x8D: case 0x8E: case 0x8F: 488706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 489706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 4; 490706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 4917caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: 4927caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x98: case 0x99: case 0x9A: case 0x9B: case 0x9C: case 0x9D: case 0x9E: case 0x9F: 4937caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "set" << condition_codes[*instr & 0xF]; 4947caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = NULL; 4957caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 4967caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 4977caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 4987caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 499703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0xAE: 500703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (prefix[0] == 0xF3) { 5015e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 502703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"rdfsbase", "rdgsbase", "wrfsbase", "wrgsbase", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE"}; 503703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 504703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 505703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 506703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao uint8_t reg_or_opcode = (instr[1] >> 3) & 7; 507703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao switch (reg_or_opcode) { 508703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0: 509703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 510703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 511703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 512703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 1: 513703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 514703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 515703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 516703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 2: 517703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 518703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 519703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 520703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 3: 521703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 522703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 523703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 524703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao default: 525703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 526703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 527703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 528703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } else { 529703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "lfence", "mfence", "sfence"}; 530703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 531703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 532703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 533703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 534703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao no_ops = true; 535703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 536703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 537f723f0cdc693f81581c0781fa472b1c85a8b42d6Mark Mendell case 0xAF: opcode << "imul"; has_modrm = true; load = true; break; 5388302576126efae240eb21c7545cda7982437bd26jeffhao case 0xB1: opcode << "cmpxchg"; has_modrm = true; store = true; break; 5397caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB6: opcode << "movzxb"; has_modrm = true; load = true; break; 5407caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB7: opcode << "movzxw"; has_modrm = true; load = true; break; 541854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBE: opcode << "movsxb"; has_modrm = true; load = true; break; 542854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBF: opcode << "movsxw"; has_modrm = true; load = true; break; 54370b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko case 0xC7: 54470b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir 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" }; 54570b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko modrm_opcodes = x0FxC7_opcodes; 54670b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko has_modrm = true; 54770b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko reg_is_opcode = true; 54870b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko store = true; 54970b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko break; 550a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko case 0xC8: case 0xC9: case 0xCA: case 0xCB: case 0xCC: case 0xCD: case 0xCE: case 0xCF: 551a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko opcode << "bswap"; 552a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko reg_in_opcode = true; 553a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko break; 554706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 555706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 556706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 557706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 558706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 559706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: 560706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* x80_opcodes[] = {"add", "or", "adc", "sbb", "and", "sub", "xor", "cmp"}; 561706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = x80_opcodes; 562706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 563706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 564706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers store = true; 565706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers byte_operand = (*instr & 1) == 0; 566706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = *instr == 0x81 ? 4 : 1; 567706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 568703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x84: case 0x85: 569703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "test"; 570703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 571703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 572703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao byte_operand = (*instr & 1) == 0; 573703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 5747caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x8D: 5757caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "lea"; 5767caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 5777caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = true; 5787caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 579703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x8F: 580703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "pop"; 581703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 582703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 583703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 584703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 5852bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell case 0x99: 5862bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell opcode << "cdq"; 5872bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell break; 588706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB0: case 0xB1: case 0xB2: case 0xB3: case 0xB4: case 0xB5: case 0xB6: case 0xB7: 589706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 590706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 1; 591706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 592706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 593706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB8: case 0xB9: case 0xBA: case 0xBB: case 0xBC: case 0xBD: case 0xBE: case 0xBF: 594706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 595706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 4; 596706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 597706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 5987caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xC0: case 0xC1: 599e296248a124ed8287b38a9225463696c18d84cd6jeffhao case 0xD0: case 0xD1: case 0xD2: case 0xD3: 6007caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers static const char* shift_opcodes[] = 6017caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers {"rol", "ror", "rcl", "rcr", "shl", "shr", "unknown-shift", "sar"}; 6027caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = shift_opcodes; 6037caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 6047caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 6057caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 60616b5c294c37460b51dc1f5296000cc80bbd33419Elliott Hughes immediate_bytes = ((*instr & 0xf0) == 0xc0) ? 1 : 0; 607e296248a124ed8287b38a9225463696c18d84cd6jeffhao cx = (*instr == 0xD2) || (*instr == 0xD3); 608e296248a124ed8287b38a9225463696c18d84cd6jeffhao byte_operand = (*instr == 0xC0); 6097caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 610706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xC3: opcode << "ret"; break; 6110589ca9245849df238812444952c674e01361f2aElliott Hughes case 0xC7: 6120589ca9245849df238812444952c674e01361f2aElliott Hughes static const char* c7_opcodes[] = {"mov", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7"}; 6130589ca9245849df238812444952c674e01361f2aElliott Hughes modrm_opcodes = c7_opcodes; 6140589ca9245849df238812444952c674e01361f2aElliott Hughes store = true; 6150589ca9245849df238812444952c674e01361f2aElliott Hughes immediate_bytes = 4; 6160589ca9245849df238812444952c674e01361f2aElliott Hughes has_modrm = true; 6170589ca9245849df238812444952c674e01361f2aElliott Hughes reg_is_opcode = true; 6180589ca9245849df238812444952c674e01361f2aElliott Hughes break; 6197caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xCC: opcode << "int 3"; break; 620d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xD9: 621d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* d9_opcodes[] = {"flds", "unknown-d9", "fsts", "fstps", "fldenv", "fldcw", "fnstenv", "fnstcw"}; 622d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = d9_opcodes; 623d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 624d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 625d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 626d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 627d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xDD: 628d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* dd_opcodes[] = {"fldl", "fisttp", "fstl", "fstpl", "frstor", "unknown-dd", "fnsave", "fnstsw"}; 629d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = dd_opcodes; 630d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 631d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 632d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 633d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 6347caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xE8: opcode << "call"; branch_bytes = 4; break; 635706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xE9: opcode << "jmp"; branch_bytes = 4; break; 636706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xEB: opcode << "jmp"; branch_bytes = 1; break; 63777ae36b35d47393335bf5399cab9c91ccf08e88fjeffhao case 0xF5: opcode << "cmc"; break; 638174651dea03956e160a2cff0d842954823c49134jeffhao case 0xF6: case 0xF7: 639174651dea03956e160a2cff0d842954823c49134jeffhao 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 /"}; 640174651dea03956e160a2cff0d842954823c49134jeffhao modrm_opcodes = f7_opcodes; 641174651dea03956e160a2cff0d842954823c49134jeffhao has_modrm = true; 642174651dea03956e160a2cff0d842954823c49134jeffhao reg_is_opcode = true; 643174651dea03956e160a2cff0d842954823c49134jeffhao store = true; 644174651dea03956e160a2cff0d842954823c49134jeffhao immediate_bytes = ((instr[1] & 0x38) == 0) ? 1 : 0; 645174651dea03956e160a2cff0d842954823c49134jeffhao break; 646706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xFF: 647706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* ff_opcodes[] = {"inc", "dec", "call", "call", "jmp", "jmp", "push", "unknown-ff"}; 648706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = ff_opcodes; 649706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 650706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 651706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers load = true; 652706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 653706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 654706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '%02X'", *instr); 655706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 656706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 657706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream args; 658706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (reg_in_opcode) { 659706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 660bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, *instr & 0x7, false, prefix[2], GPR); 661706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 662706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 66392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes uint32_t address_bits = 0; 664706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (has_modrm) { 665706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t modrm = *instr; 666706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 667706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t mod = modrm >> 6; 668706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t reg_or_opcode = (modrm >> 3) & 7; 669706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t rm = modrm & 7; 670706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream address; 671706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (mod == 0 && rm == 5) { // fixed address 67292301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes address_bits = *reinterpret_cast<const uint32_t*>(instr); 67392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes address << StringPrintf("[0x%x]", address_bits); 674706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 675706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (rm == 4 && mod != 3) { // SIB 676706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t sib = *instr; 677706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 678706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t ss = (sib >> 6) & 3; 679706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t index = (sib >> 3) & 7; 680706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t base = sib & 7; 681706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 682706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (base != 5 || mod != 0) { 6837caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpBaseReg(address, rex, base); 684706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 685706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << " + "; 686706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 687706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 688706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 6897caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpIndexReg(address, rex, index); 690706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ss != 0) { 691706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" * %d", 1 << ss); 692706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 693706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 694706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (mod == 1) { 695706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 696706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 697706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (mod == 2) { 698706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 699706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 700706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 701706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 702706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 703bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 3) { 704703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (!no_ops) { 705703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao DumpReg(address, rex, rm, byte_operand, prefix[2], load ? src_reg_file : dst_reg_file); 706703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 707bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 708706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 709bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpBaseReg(address, rex, rm); 710bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 1) { 711bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 712bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr++; 713bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (mod == 2) { 714bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 715bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr += 4; 716bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 717706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 718706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 719706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 720706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 7217caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (reg_is_opcode && modrm_opcodes != NULL) { 722706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << modrm_opcodes[reg_or_opcode]; 723706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 724706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (load) { 725706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 726bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], dst_reg_file); 727706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 728706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 729706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 730706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 731706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 732706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(store); 733706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 734706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 735706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 736706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 737bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], src_reg_file); 738706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 739706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 740706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 741706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ax) { 742fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // If this opcode implicitly uses ax, ax is always the first arg. 743bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, 0 /* EAX */, byte_operand, prefix[2], GPR); 744706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 745e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (cx) { 746e296248a124ed8287b38a9225463696c18d84cd6jeffhao args << ", "; 747e296248a124ed8287b38a9225463696c18d84cd6jeffhao DumpReg(args, rex, 1 /* ECX */, true, prefix[2], GPR); 748e296248a124ed8287b38a9225463696c18d84cd6jeffhao } 749706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes > 0) { 750e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (has_modrm || reg_in_opcode || ax || cx) { 751706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 752706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 753706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes == 1) { 754706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int8_t*>(instr)); 755706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 756706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 757706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(immediate_bytes, 4u); 758706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int32_t*>(instr)); 759706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 760706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 761706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (branch_bytes > 0) { 762706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 763706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers int32_t displacement; 764706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (branch_bytes == 1) { 765706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int8_t*>(instr); 766706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 767706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 768706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(branch_bytes, 4u); 769706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int32_t*>(instr); 770706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 771706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 77214178a99fd397737124e65d5ccb9446f85c5ca93Elliott Hughes args << StringPrintf("%+d (%p)", displacement, instr + displacement); 773706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 77492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes if (prefix[1] == kFs) { 77592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes args << " ; "; 77692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes Thread::DumpThreadOffset(args, address_bits, 4); 77792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes } 77828fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes std::stringstream hex; 779706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (size_t i = 0; begin_instr + i < instr; ++i) { 78028fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes hex << StringPrintf("%02X", begin_instr[i]); 781706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 7825e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers std::stringstream prefixed_opcode; 7835e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers switch (prefix[0]) { 7845e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF0: prefixed_opcode << "lock "; break; 7855e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF2: prefixed_opcode << "repne "; break; 7865e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF3: prefixed_opcode << "repe "; break; 7875e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0: break; 7885e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers default: LOG(FATAL) << "Unreachable"; 7895e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers } 7905e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode << opcode.str(); 7915e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers os << StringPrintf("%p: %22s \t%-7s ", begin_instr, hex.str().c_str(), 7925e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode.str().c_str()) 7935e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers << args.str() << '\n'; 794706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers return instr - begin_instr; 7957934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // NOLINT(readability/fn_size) 796706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 797706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace x86 798706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace art 799