disassembler_x86.cc revision 614c2b4e219631e8c190fd9fd5d4d9cd343434e1
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; 2492c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x12: case 0x13: 2502c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 2512c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movlpd"; 2522c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 2532c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 2542c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movlps"; 2552c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 2562c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 2572c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 2582c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x12; 2592c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 2602c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 2612c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x16: case 0x17: 2622c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 2632c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movhpd"; 2642c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 2652c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 2662c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movhps"; 2672c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 2682c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 2692c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 2702c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x16; 2712c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 2722c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 2732c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x28: case 0x29: 2742c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 2752c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movapd"; 2762c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 2772c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 2782c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movaps"; 2792c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 2802c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 2812c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 2822c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x28; 2832c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 2842c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 285fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2A: 286fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 287fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2pd"; 288fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 289fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 290fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2sd"; 291fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 292fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 293fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2ss"; 294fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 295fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 296fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2ps"; 297fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 298fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 299fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 300fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 301fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 302fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2C: 303fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 304fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttpd2pi"; 305fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 306fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 307fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttsd2si"; 308fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 309fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 310fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttss2si"; 311fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 312fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 313fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttps2pi"; 314fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 315fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 316fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 317fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 318fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 319fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2D: 320fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 321fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpd2pi"; 322fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 323fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 324fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsd2si"; 325fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 326fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 327fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtss2si"; 328fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 329fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 330fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtps2pi"; 331fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 332fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 333fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 334fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 335fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 336fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2E: 337fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "u"; 338fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // FALLTHROUGH 339fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2F: 340fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 341fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comisd"; 342fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 343fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 344fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comiss"; 345fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 346fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 347fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 348fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = dst_reg_file = SSE; 349fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 350706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x38: // 3 byte extended opcode 351706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F 38 %02X'", *instr); 352706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 353706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x3A: // 3 byte extended opcode 354706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F 3A %02X'", *instr); 355706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 356bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47: 357bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x48: case 0x49: case 0x4A: case 0x4B: case 0x4C: case 0x4D: case 0x4E: case 0x4F: 358bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru opcode << "cmov" << condition_codes[*instr & 0xF]; 359bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru has_modrm = true; 360bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru load = true; 361bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru break; 362bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 363bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: case 0x59: case 0x5C: case 0x5D: case 0x5E: case 0x5F: { 364bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers switch (*instr) { 365bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: opcode << "movmsk"; break; 366bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x51: opcode << "sqrt"; break; 367bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x52: opcode << "rsqrt"; break; 368bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x53: opcode << "rcp"; break; 369bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x54: opcode << "and"; break; 370bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x55: opcode << "andn"; break; 371bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x56: opcode << "or"; break; 372bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x57: opcode << "xor"; break; 373bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: opcode << "add"; break; 374bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x59: opcode << "mul"; break; 375bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5C: opcode << "sub"; break; 376bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5D: opcode << "min"; break; 377bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5E: opcode << "div"; break; 378bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5F: opcode << "max"; break; 379bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers default: LOG(FATAL) << "Unreachable"; 380bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 381bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 382bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "pd"; 383fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 384bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 385bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "sd"; 386fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 387bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 388bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ss"; 389fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 390bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 391bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ps"; 392bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 393bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 394bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 395bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 396bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 397bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 398bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5A: 399bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 400bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtpd2ps"; 401fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 402bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 403bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtsd2ss"; 404fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 405bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 406bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtss2sd"; 407fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 408bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 409bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2pd"; 410bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 411bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 412bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 413bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 414bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 415bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5B: 416bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 417bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2dq"; 418fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 419bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 420bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "bad opcode F2 0F 5B"; 421bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 422bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvttps2dq"; 423fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 424bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 425bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtdq2ps"; 426bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 427bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 428bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 429bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 430bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 431d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru case 0x62: 432d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru if (prefix[2] == 0x66) { 433d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = SSE; 434d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru prefix[2] = 0; // Clear prefix now. It has served its purpose as part of the opcode. 435d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } else { 436d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = MMX; 437d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } 438d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru opcode << "punpckldq"; 439d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru load = true; 440d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru has_modrm = true; 441d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru break; 442bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6E: 443bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 444bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 445fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 446bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 447bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 448bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 449fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 450bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 451bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 452bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 453bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6F: 454bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 455bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 456bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqa"; 457fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 458bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 459bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 460bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqu"; 461fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 462bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 463bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 464bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movq"; 465bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 466bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 467bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 468bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 469fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x71: 470fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 471fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 472fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 473fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 474fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 475fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 476fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x71_opcodes[] = {"unknown-71", "unknown-71", "psrlw", "unknown-71", "psraw", "unknown-71", "psllw", "unknown-71"}; 477fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x71_opcodes; 478fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 479fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 480fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 481fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 482fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 483fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x72: 484fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 485fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 486fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 487fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 488fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 489fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 490fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x72_opcodes[] = {"unknown-72", "unknown-72", "psrld", "unknown-72", "psrad", "unknown-72", "pslld", "unknown-72"}; 491fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x72_opcodes; 492fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 493fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 494fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 495fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 496fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 497fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x73: 498fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 499fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 500fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 501fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 502fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 503fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 504fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x73_opcodes[] = {"unknown-73", "unknown-73", "psrlq", "unknown-73", "unknown-73", "unknown-73", "psllq", "unknown-73"}; 505fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x73_opcodes; 506fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 507fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 508fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 509fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 510fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 511fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x7E: 512fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 513fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 514fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 515fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 516fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = MMX; 517fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 518fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 519fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 520fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 521fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 522706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: 523706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: case 0x89: case 0x8A: case 0x8B: case 0x8C: case 0x8D: case 0x8E: case 0x8F: 524706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 525706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 4; 526706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 5277caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: 5287caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x98: case 0x99: case 0x9A: case 0x9B: case 0x9C: case 0x9D: case 0x9E: case 0x9F: 5297caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "set" << condition_codes[*instr & 0xF]; 5307caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = NULL; 5317caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 5327caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 5337caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 5347caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 5354708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell case 0xA4: 5364708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell opcode << "shld"; 5374708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell has_modrm = true; 5384708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell load = true; 5394708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell immediate_bytes = 1; 5404708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell break; 5414708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell case 0xAC: 5424708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell opcode << "shrd"; 5434708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell has_modrm = true; 5444708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell load = true; 5454708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell immediate_bytes = 1; 5464708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell break; 547703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0xAE: 548703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (prefix[0] == 0xF3) { 5495e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 550703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"rdfsbase", "rdgsbase", "wrfsbase", "wrgsbase", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE"}; 551703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 552703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 553703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 554703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao uint8_t reg_or_opcode = (instr[1] >> 3) & 7; 555703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao switch (reg_or_opcode) { 556703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0: 557703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 558703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 559703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 560703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 1: 561703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 562703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 563703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 564703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 2: 565703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 566703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 567703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 568703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 3: 569703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 570703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 571703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 572703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao default: 573703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 574703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 575703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 576703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } else { 577703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "lfence", "mfence", "sfence"}; 578703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 579703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 580703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 581703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 582703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao no_ops = true; 583703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 584703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 585f723f0cdc693f81581c0781fa472b1c85a8b42d6Mark Mendell case 0xAF: opcode << "imul"; has_modrm = true; load = true; break; 5868302576126efae240eb21c7545cda7982437bd26jeffhao case 0xB1: opcode << "cmpxchg"; has_modrm = true; store = true; break; 5877caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB6: opcode << "movzxb"; has_modrm = true; load = true; break; 5887caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB7: opcode << "movzxw"; has_modrm = true; load = true; break; 589854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBE: opcode << "movsxb"; has_modrm = true; load = true; break; 590854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBF: opcode << "movsxw"; has_modrm = true; load = true; break; 59170b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko case 0xC7: 59270b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir 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" }; 59370b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko modrm_opcodes = x0FxC7_opcodes; 59470b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko has_modrm = true; 59570b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko reg_is_opcode = true; 59670b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko store = true; 59770b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko break; 598a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko case 0xC8: case 0xC9: case 0xCA: case 0xCB: case 0xCC: case 0xCD: case 0xCE: case 0xCF: 599a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko opcode << "bswap"; 600a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko reg_in_opcode = true; 601a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko break; 602706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 603706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 604706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 605706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 606706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 607706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: 608706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* x80_opcodes[] = {"add", "or", "adc", "sbb", "and", "sub", "xor", "cmp"}; 609706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = x80_opcodes; 610706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 611706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 612706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers store = true; 613706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers byte_operand = (*instr & 1) == 0; 614706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = *instr == 0x81 ? 4 : 1; 615706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 616703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x84: case 0x85: 617703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "test"; 618703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 619703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 620703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao byte_operand = (*instr & 1) == 0; 621703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 6227caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x8D: 6237caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "lea"; 6247caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 6257caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = true; 6267caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 627703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x8F: 628703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "pop"; 629703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 630703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 631703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 632703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 6332bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell case 0x99: 6342bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell opcode << "cdq"; 6352bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell break; 636706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB0: case 0xB1: case 0xB2: case 0xB3: case 0xB4: case 0xB5: case 0xB6: case 0xB7: 637706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 638706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 1; 639706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 640706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 641706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB8: case 0xB9: case 0xBA: case 0xBB: case 0xBC: case 0xBD: case 0xBE: case 0xBF: 642706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 643706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 4; 644706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 645706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 6467caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xC0: case 0xC1: 647e296248a124ed8287b38a9225463696c18d84cd6jeffhao case 0xD0: case 0xD1: case 0xD2: case 0xD3: 6487caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers static const char* shift_opcodes[] = 6497caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers {"rol", "ror", "rcl", "rcr", "shl", "shr", "unknown-shift", "sar"}; 6507caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = shift_opcodes; 6517caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 6527caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 6537caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 65416b5c294c37460b51dc1f5296000cc80bbd33419Elliott Hughes immediate_bytes = ((*instr & 0xf0) == 0xc0) ? 1 : 0; 655e296248a124ed8287b38a9225463696c18d84cd6jeffhao cx = (*instr == 0xD2) || (*instr == 0xD3); 656e296248a124ed8287b38a9225463696c18d84cd6jeffhao byte_operand = (*instr == 0xC0); 6577caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 658706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xC3: opcode << "ret"; break; 6590589ca9245849df238812444952c674e01361f2aElliott Hughes case 0xC7: 6600589ca9245849df238812444952c674e01361f2aElliott Hughes static const char* c7_opcodes[] = {"mov", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7"}; 6610589ca9245849df238812444952c674e01361f2aElliott Hughes modrm_opcodes = c7_opcodes; 6620589ca9245849df238812444952c674e01361f2aElliott Hughes store = true; 6630589ca9245849df238812444952c674e01361f2aElliott Hughes immediate_bytes = 4; 6640589ca9245849df238812444952c674e01361f2aElliott Hughes has_modrm = true; 6650589ca9245849df238812444952c674e01361f2aElliott Hughes reg_is_opcode = true; 6660589ca9245849df238812444952c674e01361f2aElliott Hughes break; 6677caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xCC: opcode << "int 3"; break; 668d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xD9: 669d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* d9_opcodes[] = {"flds", "unknown-d9", "fsts", "fstps", "fldenv", "fldcw", "fnstenv", "fnstcw"}; 670d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = d9_opcodes; 671d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 672d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 673d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 674d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 675614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru case 0xDB: 676614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru static const char* db_opcodes[] = {"fildl", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db"}; 677614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru modrm_opcodes = db_opcodes; 678614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru load = true; 679614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru has_modrm = true; 680614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru reg_is_opcode = true; 681614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru break; 682d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xDD: 683d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* dd_opcodes[] = {"fldl", "fisttp", "fstl", "fstpl", "frstor", "unknown-dd", "fnsave", "fnstsw"}; 684d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = dd_opcodes; 685d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 686d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 687d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 688d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 689614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru case 0xDF: 690614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru static const char* df_opcodes[] = {"fild", "unknown-df", "unknown-df", "unknown-df", "unknown-df", "fildll", "unknown-df", "unknown-df"}; 691614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru modrm_opcodes = df_opcodes; 692614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru load = true; 693614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru has_modrm = true; 694614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru reg_is_opcode = true; 695614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru break; 6967caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xE8: opcode << "call"; branch_bytes = 4; break; 697706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xE9: opcode << "jmp"; branch_bytes = 4; break; 698706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xEB: opcode << "jmp"; branch_bytes = 1; break; 69977ae36b35d47393335bf5399cab9c91ccf08e88fjeffhao case 0xF5: opcode << "cmc"; break; 700174651dea03956e160a2cff0d842954823c49134jeffhao case 0xF6: case 0xF7: 701174651dea03956e160a2cff0d842954823c49134jeffhao 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 /"}; 702174651dea03956e160a2cff0d842954823c49134jeffhao modrm_opcodes = f7_opcodes; 703174651dea03956e160a2cff0d842954823c49134jeffhao has_modrm = true; 704174651dea03956e160a2cff0d842954823c49134jeffhao reg_is_opcode = true; 705174651dea03956e160a2cff0d842954823c49134jeffhao store = true; 706174651dea03956e160a2cff0d842954823c49134jeffhao immediate_bytes = ((instr[1] & 0x38) == 0) ? 1 : 0; 707174651dea03956e160a2cff0d842954823c49134jeffhao break; 708706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xFF: 709706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* ff_opcodes[] = {"inc", "dec", "call", "call", "jmp", "jmp", "push", "unknown-ff"}; 710706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = ff_opcodes; 711706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 712706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 713706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers load = true; 714706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 715706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 716706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '%02X'", *instr); 717706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 718706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 719706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream args; 720706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (reg_in_opcode) { 721706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 722bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, *instr & 0x7, false, prefix[2], GPR); 723706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 724706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 72592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes uint32_t address_bits = 0; 726706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (has_modrm) { 727706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t modrm = *instr; 728706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 729706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t mod = modrm >> 6; 730706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t reg_or_opcode = (modrm >> 3) & 7; 731706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t rm = modrm & 7; 732706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream address; 733706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (mod == 0 && rm == 5) { // fixed address 73492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes address_bits = *reinterpret_cast<const uint32_t*>(instr); 73592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes address << StringPrintf("[0x%x]", address_bits); 736706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 737706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (rm == 4 && mod != 3) { // SIB 738706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t sib = *instr; 739706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 740706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t ss = (sib >> 6) & 3; 741706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t index = (sib >> 3) & 7; 742706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t base = sib & 7; 743706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 744706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (base != 5 || mod != 0) { 7457caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpBaseReg(address, rex, base); 746706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 747706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << " + "; 748706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 749706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 750706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 7517caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpIndexReg(address, rex, index); 752706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ss != 0) { 753706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" * %d", 1 << ss); 754706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 755706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 756706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (mod == 1) { 757706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 758706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 759706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (mod == 2) { 760706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 761706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 762706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 763706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 764706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 765bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 3) { 766703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (!no_ops) { 767703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao DumpReg(address, rex, rm, byte_operand, prefix[2], load ? src_reg_file : dst_reg_file); 768703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 769bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 770706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 771bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpBaseReg(address, rex, rm); 772bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 1) { 773bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 774bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr++; 775bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (mod == 2) { 776bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 777bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr += 4; 778bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 779706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 780706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 781706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 782706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 7837caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (reg_is_opcode && modrm_opcodes != NULL) { 784706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << modrm_opcodes[reg_or_opcode]; 785706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 786706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (load) { 787706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 788bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], dst_reg_file); 789706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 790706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 791706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 792706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 793706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 794706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(store); 795706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 796706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 797706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 798706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 799bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], src_reg_file); 800706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 801706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 802706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 803706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ax) { 804fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // If this opcode implicitly uses ax, ax is always the first arg. 805bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, 0 /* EAX */, byte_operand, prefix[2], GPR); 806706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 807e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (cx) { 808e296248a124ed8287b38a9225463696c18d84cd6jeffhao args << ", "; 809e296248a124ed8287b38a9225463696c18d84cd6jeffhao DumpReg(args, rex, 1 /* ECX */, true, prefix[2], GPR); 810e296248a124ed8287b38a9225463696c18d84cd6jeffhao } 811706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes > 0) { 812e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (has_modrm || reg_in_opcode || ax || cx) { 813706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 814706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 815706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes == 1) { 816706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int8_t*>(instr)); 817706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 818706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 819706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(immediate_bytes, 4u); 820706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int32_t*>(instr)); 821706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 822706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 823706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (branch_bytes > 0) { 824706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 825706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers int32_t displacement; 826706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (branch_bytes == 1) { 827706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int8_t*>(instr); 828706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 829706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 830706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(branch_bytes, 4u); 831706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int32_t*>(instr); 832706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 833706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 83414178a99fd397737124e65d5ccb9446f85c5ca93Elliott Hughes args << StringPrintf("%+d (%p)", displacement, instr + displacement); 835706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 83692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes if (prefix[1] == kFs) { 83792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes args << " ; "; 83892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes Thread::DumpThreadOffset(args, address_bits, 4); 83992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes } 84028fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes std::stringstream hex; 841706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (size_t i = 0; begin_instr + i < instr; ++i) { 84228fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes hex << StringPrintf("%02X", begin_instr[i]); 843706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 8445e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers std::stringstream prefixed_opcode; 8455e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers switch (prefix[0]) { 8465e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF0: prefixed_opcode << "lock "; break; 8475e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF2: prefixed_opcode << "repne "; break; 8485e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF3: prefixed_opcode << "repe "; break; 8495e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0: break; 8505e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers default: LOG(FATAL) << "Unreachable"; 8515e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers } 8525e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode << opcode.str(); 8535e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers os << StringPrintf("%p: %22s \t%-7s ", begin_instr, hex.str().c_str(), 8545e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode.str().c_str()) 8555e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers << args.str() << '\n'; 856706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers return instr - begin_instr; 8577934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // NOLINT(readability/fn_size) 858706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 859706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace x86 860706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace art 861