disassembler_x86.cc revision dd7624d2b9e599d57762d12031b10b89defc9807
1706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers/* 2706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * Copyright (C) 2012 The Android Open Source Project 3706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * 4706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * Licensed under the Apache License, Version 2.0 (the "License"); 5706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * you may not use this file except in compliance with the License. 6706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * You may obtain a copy of the License at 7706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * 8706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * http://www.apache.org/licenses/LICENSE-2.0 9706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * 10706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * Unless required by applicable law or agreed to in writing, software 11706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * distributed under the License is distributed on an "AS IS" BASIS, 12706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * See the License for the specific language governing permissions and 14706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers * limitations under the License. 15706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers */ 16706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 17706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#include "disassembler_x86.h" 18706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 19706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#include <iostream> 20706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 2107ed66b5ae659c452cbe1ab20c3dbf1d6f546461Elliott Hughes#include "base/logging.h" 22e222ee0b794f941af4fb1b32fb8224e32942ea7bElliott Hughes#include "base/stringprintf.h" 2392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes#include "thread.h" 240f3c55331439970e01af67f80ac117c473bc04cfElliott Hughes 25706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersnamespace art { 26706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersnamespace x86 { 27706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 28b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogerssize_t DisassemblerX86::Dump(std::ostream& os, const uint8_t* begin) { 29b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers return DumpInstruction(os, begin); 30b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers} 31b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers 32706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersvoid DisassemblerX86::Dump(std::ostream& os, const uint8_t* begin, const uint8_t* end) { 33706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t length = 0; 34706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (const uint8_t* cur = begin; cur < end; cur += length) { 35706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers length = DumpInstruction(os, cur); 36706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 37706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 38706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 39706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic const char* gReg8Names[] = { "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh" }; 40703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhaostatic const char* gReg16Names[] = { "ax", "cx", "dx", "bx", "sp", "bp", "si", "di" }; 41703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhaostatic const char* gReg32Names[] = { "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi" }; 4238e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogersstatic const char* gReg64Names[] = { 4338e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", 4438e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" 4538e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers}; 46706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 4738e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogersstatic void DumpReg0(std::ostream& os, uint8_t rex, size_t reg, 48706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool byte_operand, uint8_t size_override) { 4938e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers DCHECK_LT(reg, (rex == 0) ? 8u : 16u); 5038e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers bool rex_w = (rex & 0b1000) != 0; 5138e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers size_t size = byte_operand ? 1 : (size_override == 0x66 ? 2 : (rex_w ? 8 :4)); 52706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (size) { 53706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 1: os << gReg8Names[reg]; break; 54706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 2: os << gReg16Names[reg]; break; 55706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 4: os << gReg32Names[reg]; break; 5638e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers case 8: os << gReg64Names[reg]; break; 57706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: LOG(FATAL) << "unexpected size " << size; 58706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 59706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 60706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 61bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogersenum RegFile { GPR, MMX, SSE }; 62bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers 63706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic void DumpReg(std::ostream& os, uint8_t rex, uint8_t reg, 64bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers bool byte_operand, uint8_t size_override, RegFile reg_file) { 6538e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers bool rex_r = (rex & 0b0100) != 0; 6638e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers size_t reg_num = rex_r ? (reg + 8) : reg; 67bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (reg_file == GPR) { 68bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg0(os, rex, reg_num, byte_operand, size_override); 69bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (reg_file == SSE) { 70bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers os << "xmm" << reg_num; 71bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 72bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers os << "mm" << reg_num; 73bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 74706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 75706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 767caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogersstatic void DumpBaseReg(std::ostream& os, uint8_t rex, uint8_t reg) { 7738e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers bool rex_b = (rex & 0b0001) != 0; 7838e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers size_t reg_num = rex_b ? (reg + 8) : reg; 797caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpReg0(os, rex, reg_num, false, 0); 80706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 81706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 827caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogersstatic void DumpIndexReg(std::ostream& os, uint8_t rex, uint8_t reg) { 8338e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers bool rex_x = (rex & 0b0010) != 0; 8438e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers uint8_t reg_num = rex_x ? (reg + 8) : reg; 857caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpReg0(os, rex, reg_num, false, 0); 86706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 87706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 8892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughesenum SegmentPrefix { 8992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kCs = 0x2e, 9092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kSs = 0x36, 9192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kDs = 0x3e, 9292301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kEs = 0x26, 9392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kFs = 0x64, 9492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes kGs = 0x65, 9592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes}; 9692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes 97706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogersstatic void DumpSegmentOverride(std::ostream& os, uint8_t segment_prefix) { 98706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (segment_prefix) { 9992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kCs: os << "cs:"; break; 10092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kSs: os << "ss:"; break; 10192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kDs: os << "ds:"; break; 10292301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kEs: os << "es:"; break; 10392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kFs: os << "fs:"; break; 10492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kGs: os << "gs:"; break; 105706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: break; 106706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 107706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} 108706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 109706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogerssize_t DisassemblerX86::DumpInstruction(std::ostream& os, const uint8_t* instr) { 110706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers const uint8_t* begin_instr = instr; 111706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool have_prefixes = true; 112706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t prefix[4] = {0, 0, 0, 0}; 113706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers const char** modrm_opcodes = NULL; 114706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers do { 115706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 1167caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers // Group 1 - lock and repeat prefixes: 117706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF0: 118706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF2: 119706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xF3: 120706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[0] = *instr; 121706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 122706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 2 - segment override prefixes: 12392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kCs: 12492301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kSs: 12592301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kDs: 12692301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kEs: 12792301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kFs: 12892301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes case kGs: 129706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[1] = *instr; 130706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 131706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 3 - operand size override: 132706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x66: 133706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[2] = *instr; 134706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 135706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers // Group 4 - address size override: 136706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x67: 137706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers prefix[3] = *instr; 138706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 139706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 140706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers have_prefixes = false; 141706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 142706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 143706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (have_prefixes) { 144706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 145706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 146706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } while (have_prefixes); 14738e12034f1ef2b32e98b6e49cb36b7cc37a7f1beIan Rogers uint8_t rex = (supports_rex_ && (*instr >= 0x40) && (*instr <= 0x4F)) ? *instr : 0; 148706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool has_modrm = false; 149706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool reg_is_opcode = false; 150706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t immediate_bytes = 0; 151706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers size_t branch_bytes = 0; 152706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream opcode; 153706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool store = false; // stores to memory (ie rm is on the left) 154706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool load = false; // loads from memory (ie rm is on the right) 155706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool byte_operand = false; 156706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool ax = false; // implicit use of ax 157e296248a124ed8287b38a9225463696c18d84cd6jeffhao bool cx = false; // implicit use of cx 158706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers bool reg_in_opcode = false; // low 3-bits of opcode encode register parameter 159703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao bool no_ops = false; 160bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers RegFile src_reg_file = GPR; 161bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers RegFile dst_reg_file = GPR; 162706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 163706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#define DISASSEMBLER_ENTRY(opname, \ 164706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers rm8_r8, rm32_r32, \ 165706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers r8_rm8, r32_rm32, \ 166706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers ax8_i8, ax32_i32) \ 167706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case rm8_r8: opcode << #opname; store = true; has_modrm = true; byte_operand = true; break; \ 168706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case rm32_r32: opcode << #opname; store = true; has_modrm = true; break; \ 169706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case r8_rm8: opcode << #opname; load = true; has_modrm = true; byte_operand = true; break; \ 170706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case r32_rm32: opcode << #opname; load = true; has_modrm = true; break; \ 171706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case ax8_i8: opcode << #opname; ax = true; immediate_bytes = 1; byte_operand = true; break; \ 172706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case ax32_i32: opcode << #opname; ax = true; immediate_bytes = 4; break; 173706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 174706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(add, 175706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x00 /* RegMem8/Reg8 */, 0x01 /* RegMem32/Reg32 */, 176706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x02 /* Reg8/RegMem8 */, 0x03 /* Reg32/RegMem32 */, 177706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x04 /* Rax8/imm8 opcode */, 0x05 /* Rax32/imm32 */) 178706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(or, 179706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x08 /* RegMem8/Reg8 */, 0x09 /* RegMem32/Reg32 */, 180706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x0A /* Reg8/RegMem8 */, 0x0B /* Reg32/RegMem32 */, 181706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x0C /* Rax8/imm8 opcode */, 0x0D /* Rax32/imm32 */) 182706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(adc, 183706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x10 /* RegMem8/Reg8 */, 0x11 /* RegMem32/Reg32 */, 184706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x12 /* Reg8/RegMem8 */, 0x13 /* Reg32/RegMem32 */, 185706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x14 /* Rax8/imm8 opcode */, 0x15 /* Rax32/imm32 */) 186706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(sbb, 187706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x18 /* RegMem8/Reg8 */, 0x19 /* RegMem32/Reg32 */, 188706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x1A /* Reg8/RegMem8 */, 0x1B /* Reg32/RegMem32 */, 189706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x1C /* Rax8/imm8 opcode */, 0x1D /* Rax32/imm32 */) 190706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(and, 191706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x20 /* RegMem8/Reg8 */, 0x21 /* RegMem32/Reg32 */, 192706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x22 /* Reg8/RegMem8 */, 0x23 /* Reg32/RegMem32 */, 193706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x24 /* Rax8/imm8 opcode */, 0x25 /* Rax32/imm32 */) 194706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(sub, 195706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x28 /* RegMem8/Reg8 */, 0x29 /* RegMem32/Reg32 */, 196706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x2A /* Reg8/RegMem8 */, 0x2B /* Reg32/RegMem32 */, 197706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x2C /* Rax8/imm8 opcode */, 0x2D /* Rax32/imm32 */) 198706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(xor, 199706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x30 /* RegMem8/Reg8 */, 0x31 /* RegMem32/Reg32 */, 200706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x32 /* Reg8/RegMem8 */, 0x33 /* Reg32/RegMem32 */, 201706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x34 /* Rax8/imm8 opcode */, 0x35 /* Rax32/imm32 */) 202706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan RogersDISASSEMBLER_ENTRY(cmp, 203706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x38 /* RegMem8/Reg8 */, 0x39 /* RegMem32/Reg32 */, 204706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x3A /* Reg8/RegMem8 */, 0x3B /* Reg32/RegMem32 */, 205706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 0x3C /* Rax8/imm8 opcode */, 0x3D /* Rax32/imm32 */) 206706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 207706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers#undef DISASSEMBLER_ENTRY 208706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 209706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "push"; 210706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 211706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 212706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x58: case 0x59: case 0x5A: case 0x5B: case 0x5C: case 0x5D: case 0x5E: case 0x5F: 213706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "pop"; 214706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 215706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 216706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x68: opcode << "push"; immediate_bytes = 4; break; 217d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0x69: opcode << "imul"; load = true; has_modrm = true; immediate_bytes = 4; break; 218706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x6A: opcode << "push"; immediate_bytes = 1; break; 219d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0x6B: opcode << "imul"; load = true; has_modrm = true; immediate_bytes = 1; break; 220706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77: 221706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x78: case 0x79: case 0x7A: case 0x7B: case 0x7C: case 0x7D: case 0x7E: case 0x7F: 222706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* condition_codes[] = 223b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes {"o", "no", "b/nae/c", "nb/ae/nc", "z/eq", "nz/ne", "be/na", "nbe/a", 224b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes "s", "ns", "p/pe", "np/po", "l/nge", "nl/ge", "le/ng", "nle/g" 225706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers }; 226706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 227706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 1; 228706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 22999ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru case 0x86: case 0x87: 23099ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru opcode << "xchg"; 23199ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru store = true; 23299ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru has_modrm = true; 23399ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru byte_operand = (*instr == 0x86); 23499ad7230ccaace93bf323dea9790f35fe991a4a2Razvan A Lupusoru break; 235706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: opcode << "mov"; store = true; has_modrm = true; byte_operand = true; break; 236706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x89: opcode << "mov"; store = true; has_modrm = true; break; 237706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x8A: opcode << "mov"; load = true; has_modrm = true; byte_operand = true; break; 238706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x8B: opcode << "mov"; load = true; has_modrm = true; break; 239706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 240706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x0F: // 2 byte extended opcode 241706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 242706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers switch (*instr) { 2437caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x10: case 0x11: 2447caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (prefix[0] == 0xF2) { 2457caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movsd"; 246fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 2477caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else if (prefix[0] == 0xF3) { 2487caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movss"; 249fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 2507caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else if (prefix[2] == 0x66) { 2517caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movupd"; 252fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 2537caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } else { 2547caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "movups"; 2557caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers } 2567caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 257bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 2587caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = *instr == 0x10; 2597caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = !load; 2607caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 2612c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x12: case 0x13: 2622c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 2632c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movlpd"; 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 << "movlps"; 2672c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 2682c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 2692c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 2702c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x12; 2712c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 2722c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 2732c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x16: case 0x17: 2742c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 2752c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movhpd"; 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 << "movhps"; 2792c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 2802c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 2812c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 2822c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x16; 2832c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 2842c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 2852c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru case 0x28: case 0x29: 2862c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru if (prefix[2] == 0x66) { 2872c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movapd"; 2882c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 2892c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } else if (prefix[0] == 0) { 2902c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru opcode << "movaps"; 2912c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru } 2922c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru has_modrm = true; 2932c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru src_reg_file = dst_reg_file = SSE; 2942c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru load = *instr == 0x28; 2952c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru store = !load; 2962c498d1f28e62e81fbdb477ff93ca7454e7493d7Razvan A Lupusoru break; 297fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2A: 298fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 299fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2pd"; 300fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 301fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 302fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2sd"; 303fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 304fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 305fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsi2ss"; 306fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 307fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 308fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpi2ps"; 309fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 310fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 311fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 312fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 313fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 314fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2C: 315fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 316fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttpd2pi"; 317fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 318fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 319fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttsd2si"; 320fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 321fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 322fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttss2si"; 323fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 324fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 325fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvttps2pi"; 326fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 327fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 328fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 329fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 330fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 331fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2D: 332fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 333fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtpd2pi"; 334fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 335fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF2) { 336fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtsd2si"; 337fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 338fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else if (prefix[0] == 0xF3) { 339fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtss2si"; 340fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 341fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 342fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "cvtps2pi"; 343fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 344fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 345fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 346fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 347fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 348fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2E: 349fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "u"; 350fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // FALLTHROUGH 351fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x2F: 352fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 353fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comisd"; 354fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 355fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 356fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "comiss"; 357fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 358fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 359fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao load = true; 360fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = dst_reg_file = SSE; 361fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 362706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x38: // 3 byte extended opcode 363706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F 38 %02X'", *instr); 364706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 365706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x3A: // 3 byte extended opcode 366706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F 3A %02X'", *instr); 367706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 368bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x40: case 0x41: case 0x42: case 0x43: case 0x44: case 0x45: case 0x46: case 0x47: 369bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru case 0x48: case 0x49: case 0x4A: case 0x4B: case 0x4C: case 0x4D: case 0x4E: case 0x4F: 370bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru opcode << "cmov" << condition_codes[*instr & 0xF]; 371bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru has_modrm = true; 372bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru load = true; 373bd288c2c1206bc99fafebfb9120a83f13cf9723bRazvan A Lupusoru break; 374bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: case 0x51: case 0x52: case 0x53: case 0x54: case 0x55: case 0x56: case 0x57: 375bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: case 0x59: case 0x5C: case 0x5D: case 0x5E: case 0x5F: { 376bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers switch (*instr) { 377bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x50: opcode << "movmsk"; break; 378bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x51: opcode << "sqrt"; break; 379bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x52: opcode << "rsqrt"; break; 380bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x53: opcode << "rcp"; break; 381bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x54: opcode << "and"; break; 382bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x55: opcode << "andn"; break; 383bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x56: opcode << "or"; break; 384bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x57: opcode << "xor"; break; 385bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x58: opcode << "add"; break; 386bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x59: opcode << "mul"; break; 387bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5C: opcode << "sub"; break; 388bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5D: opcode << "min"; break; 389bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5E: opcode << "div"; break; 390bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5F: opcode << "max"; break; 391bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers default: LOG(FATAL) << "Unreachable"; 392bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 393bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 394bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "pd"; 395fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 396bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 397bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "sd"; 398fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 399bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 400bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ss"; 401fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 402bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 403bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "ps"; 404bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 405bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 406bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 407bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 408bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 409bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 410bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5A: 411bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 412bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtpd2ps"; 413fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 414bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 415bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtsd2ss"; 416fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 417bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 418bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtss2sd"; 419fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 420bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 421bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2pd"; 422bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 423bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 424bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 425bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 426bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 427bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x5B: 428bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 429bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtps2dq"; 430fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 431bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF2) { 432bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "bad opcode F2 0F 5B"; 433bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 434bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvttps2dq"; 435fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 436bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 437bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "cvtdq2ps"; 438bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 439bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 440bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 441bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers src_reg_file = dst_reg_file = SSE; 442bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 443d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru case 0x62: 444d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru if (prefix[2] == 0x66) { 445d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = SSE; 446d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru prefix[2] = 0; // Clear prefix now. It has served its purpose as part of the opcode. 447d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } else { 448d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru src_reg_file = dst_reg_file = MMX; 449d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru } 450d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru opcode << "punpckldq"; 451d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru load = true; 452d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru has_modrm = true; 453d3266bcc340d653e178e3ab9d74512c8db122eeeRazvan A Lupusoru break; 454bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6E: 455bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 456bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 457fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 458bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 459bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 460bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 461fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 462bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 463bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 464bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 465bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers case 0x6F: 466bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (prefix[2] == 0x66) { 467bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 468bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqa"; 469fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 470bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (prefix[0] == 0xF3) { 471bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = SSE; 472bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movdqu"; 473fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 474bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 475bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers dst_reg_file = MMX; 476bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers opcode << "movq"; 477bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 478bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers load = true; 479bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers has_modrm = true; 480bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers break; 481fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x71: 482fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 483fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 484fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 485fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 486fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 487fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 488fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x71_opcodes[] = {"unknown-71", "unknown-71", "psrlw", "unknown-71", "psraw", "unknown-71", "psllw", "unknown-71"}; 489fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x71_opcodes; 490fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 491fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 492fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 493fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 494fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 495fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x72: 496fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 497fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 498fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 499fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 500fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 501fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 502fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x72_opcodes[] = {"unknown-72", "unknown-72", "psrld", "unknown-72", "psrad", "unknown-72", "pslld", "unknown-72"}; 503fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x72_opcodes; 504fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 505fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 506fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 507fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 508fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 509fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x73: 510fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 511fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = SSE; 512fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 513fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 514fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao dst_reg_file = MMX; 515fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 516fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao static const char* x73_opcodes[] = {"unknown-73", "unknown-73", "psrlq", "unknown-73", "unknown-73", "unknown-73", "psllq", "unknown-73"}; 517fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao modrm_opcodes = x73_opcodes; 518fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao reg_is_opcode = true; 519fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 520fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 521fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao immediate_bytes = 1; 522fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 523fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao case 0x7E: 524fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao if (prefix[2] == 0x66) { 525fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = SSE; 526fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao prefix[2] = 0; // clear prefix now it's served its purpose as part of the opcode 527fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } else { 528fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao src_reg_file = MMX; 529fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao } 530fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao opcode << "movd"; 531fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao has_modrm = true; 532fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao store = true; 533fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao break; 534706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: case 0x84: case 0x85: case 0x86: case 0x87: 535706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x88: case 0x89: case 0x8A: case 0x8B: case 0x8C: case 0x8D: case 0x8E: case 0x8F: 536706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "j" << condition_codes[*instr & 0xF]; 537706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers branch_bytes = 4; 538706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 5397caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x90: case 0x91: case 0x92: case 0x93: case 0x94: case 0x95: case 0x96: case 0x97: 5407caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x98: case 0x99: case 0x9A: case 0x9B: case 0x9C: case 0x9D: case 0x9E: case 0x9F: 5417caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "set" << condition_codes[*instr & 0xF]; 5427caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = NULL; 5437caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 5447caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 5457caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 5467caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 5474708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell case 0xA4: 5484708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell opcode << "shld"; 5494708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell has_modrm = true; 5504708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell load = true; 5514708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell immediate_bytes = 1; 5524708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell break; 5534708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell case 0xAC: 5544708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell opcode << "shrd"; 5554708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell has_modrm = true; 5564708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell load = true; 5574708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell immediate_bytes = 1; 5584708dcd68eebf1173aef1097dad8ab13466059aaMark Mendell break; 559703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0xAE: 560703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (prefix[0] == 0xF3) { 5615e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefix[0] = 0; // clear prefix now it's served its purpose as part of the opcode 562703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"rdfsbase", "rdgsbase", "wrfsbase", "wrgsbase", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE"}; 563703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 564703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 565703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 566703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao uint8_t reg_or_opcode = (instr[1] >> 3) & 7; 567703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao switch (reg_or_opcode) { 568703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0: 569703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 570703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 571703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 572703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 1: 573703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 574703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 575703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 576703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 2: 577703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kFs; 578703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 579703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 580703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 3: 581703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao prefix[1] = kGs; 582703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 583703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 584703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao default: 585703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 586703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 587703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 588703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } else { 589703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao static const char* xAE_opcodes[] = {"unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "unknown-AE", "lfence", "mfence", "sfence"}; 590703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao modrm_opcodes = xAE_opcodes; 591703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 592703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 593703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 594703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao no_ops = true; 595703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 596703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 597f723f0cdc693f81581c0781fa472b1c85a8b42d6Mark Mendell case 0xAF: opcode << "imul"; has_modrm = true; load = true; break; 5988302576126efae240eb21c7545cda7982437bd26jeffhao case 0xB1: opcode << "cmpxchg"; has_modrm = true; store = true; break; 5997caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB6: opcode << "movzxb"; has_modrm = true; load = true; break; 6007caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xB7: opcode << "movzxw"; has_modrm = true; load = true; break; 601854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBE: opcode << "movsxb"; has_modrm = true; load = true; break; 602854029c13351fd3a8f7794eb6c2c73af0fde8ac8jeffhao case 0xBF: opcode << "movsxw"; has_modrm = true; load = true; break; 60370b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko case 0xC7: 60470b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir 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" }; 60570b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko modrm_opcodes = x0FxC7_opcodes; 60670b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko has_modrm = true; 60770b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko reg_is_opcode = true; 60870b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko store = true; 60970b797d998f2a28e39f7d6ffc8a07c9cbc47da14Vladimir Marko break; 610a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko case 0xC8: case 0xC9: case 0xCA: case 0xCB: case 0xCC: case 0xCD: case 0xCE: case 0xCF: 611a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko opcode << "bswap"; 612a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko reg_in_opcode = true; 613a8b4caf7526b6b66a8ae0826bd52c39c66e3c714Vladimir Marko break; 614706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 615706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '0F %02X'", *instr); 616706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 617706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 618706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 619706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0x80: case 0x81: case 0x82: case 0x83: 620706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* x80_opcodes[] = {"add", "or", "adc", "sbb", "and", "sub", "xor", "cmp"}; 621706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = x80_opcodes; 622706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 623706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 624706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers store = true; 625706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers byte_operand = (*instr & 1) == 0; 626706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = *instr == 0x81 ? 4 : 1; 627706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 628703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x84: case 0x85: 629703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "test"; 630703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 631703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao load = true; 632703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao byte_operand = (*instr & 1) == 0; 633703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 6347caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0x8D: 6357caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers opcode << "lea"; 6367caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 6377caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers load = true; 6387caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 639703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao case 0x8F: 640703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao opcode << "pop"; 641703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao has_modrm = true; 642703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao reg_is_opcode = true; 643703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao store = true; 644703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao break; 6452bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell case 0x99: 6462bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell opcode << "cdq"; 6472bf31e67694da24a19fc1f328285cebb1a4b9964Mark Mendell break; 6484028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell case 0xAF: 6494028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell opcode << (prefix[2] == 0x66 ? "scasw" : "scasl"); 6504028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell break; 651706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB0: case 0xB1: case 0xB2: case 0xB3: case 0xB4: case 0xB5: case 0xB6: case 0xB7: 652706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 653706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 1; 654706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 655706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 656706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xB8: case 0xB9: case 0xBA: case 0xBB: case 0xBC: case 0xBD: case 0xBE: case 0xBF: 657706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << "mov"; 658706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers immediate_bytes = 4; 659706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_in_opcode = true; 660706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 6617caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xC0: case 0xC1: 662e296248a124ed8287b38a9225463696c18d84cd6jeffhao case 0xD0: case 0xD1: case 0xD2: case 0xD3: 6637caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers static const char* shift_opcodes[] = 6647caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers {"rol", "ror", "rcl", "rcr", "shl", "shr", "unknown-shift", "sar"}; 6657caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers modrm_opcodes = shift_opcodes; 6667caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers has_modrm = true; 6677caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers reg_is_opcode = true; 6687caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers store = true; 66916b5c294c37460b51dc1f5296000cc80bbd33419Elliott Hughes immediate_bytes = ((*instr & 0xf0) == 0xc0) ? 1 : 0; 670e296248a124ed8287b38a9225463696c18d84cd6jeffhao cx = (*instr == 0xD2) || (*instr == 0xD3); 671e296248a124ed8287b38a9225463696c18d84cd6jeffhao byte_operand = (*instr == 0xC0); 6727caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers break; 673706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xC3: opcode << "ret"; break; 6740589ca9245849df238812444952c674e01361f2aElliott Hughes case 0xC7: 6750589ca9245849df238812444952c674e01361f2aElliott Hughes static const char* c7_opcodes[] = {"mov", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7", "unknown-c7"}; 6760589ca9245849df238812444952c674e01361f2aElliott Hughes modrm_opcodes = c7_opcodes; 6770589ca9245849df238812444952c674e01361f2aElliott Hughes store = true; 6780589ca9245849df238812444952c674e01361f2aElliott Hughes immediate_bytes = 4; 6790589ca9245849df238812444952c674e01361f2aElliott Hughes has_modrm = true; 6800589ca9245849df238812444952c674e01361f2aElliott Hughes reg_is_opcode = true; 6810589ca9245849df238812444952c674e01361f2aElliott Hughes break; 6827caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xCC: opcode << "int 3"; break; 683d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xD9: 684d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* d9_opcodes[] = {"flds", "unknown-d9", "fsts", "fstps", "fldenv", "fldcw", "fnstenv", "fnstcw"}; 685d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = d9_opcodes; 686d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 687d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 688d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 689d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 690614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru case 0xDB: 691614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru static const char* db_opcodes[] = {"fildl", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db", "unknown-db"}; 692614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru modrm_opcodes = db_opcodes; 693614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru load = true; 694614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru has_modrm = true; 695614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru reg_is_opcode = true; 696614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru break; 697d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell case 0xDD: 698d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell static const char* dd_opcodes[] = {"fldl", "fisttp", "fstl", "fstpl", "frstor", "unknown-dd", "fnsave", "fnstsw"}; 699d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell modrm_opcodes = dd_opcodes; 700d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell store = true; 701d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell has_modrm = true; 702d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell reg_is_opcode = true; 703d19b55a05b52b7f7da9f894eba63ed03e2a62283Mark Mendell break; 704614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru case 0xDF: 705614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru static const char* df_opcodes[] = {"fild", "unknown-df", "unknown-df", "unknown-df", "unknown-df", "fildll", "unknown-df", "unknown-df"}; 706614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru modrm_opcodes = df_opcodes; 707614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru load = true; 708614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru has_modrm = true; 709614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru reg_is_opcode = true; 710614c2b4e219631e8c190fd9fd5d4d9cd343434e1Razvan A Lupusoru break; 7114028a6c83a339036864999fdfd2855b012a9f1a7Mark Mendell case 0xE3: opcode << "jecxz"; branch_bytes = 1; break; 7127caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers case 0xE8: opcode << "call"; branch_bytes = 4; break; 713706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xE9: opcode << "jmp"; branch_bytes = 4; break; 714706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xEB: opcode << "jmp"; branch_bytes = 1; break; 71577ae36b35d47393335bf5399cab9c91ccf08e88fjeffhao case 0xF5: opcode << "cmc"; break; 716174651dea03956e160a2cff0d842954823c49134jeffhao case 0xF6: case 0xF7: 717174651dea03956e160a2cff0d842954823c49134jeffhao 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 /"}; 718174651dea03956e160a2cff0d842954823c49134jeffhao modrm_opcodes = f7_opcodes; 719174651dea03956e160a2cff0d842954823c49134jeffhao has_modrm = true; 720174651dea03956e160a2cff0d842954823c49134jeffhao reg_is_opcode = true; 721174651dea03956e160a2cff0d842954823c49134jeffhao store = true; 722174651dea03956e160a2cff0d842954823c49134jeffhao immediate_bytes = ((instr[1] & 0x38) == 0) ? 1 : 0; 723174651dea03956e160a2cff0d842954823c49134jeffhao break; 724706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers case 0xFF: 725706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers static const char* ff_opcodes[] = {"inc", "dec", "call", "call", "jmp", "jmp", "push", "unknown-ff"}; 726706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers modrm_opcodes = ff_opcodes; 727706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers has_modrm = true; 728706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers reg_is_opcode = true; 729706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers load = true; 730706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 731706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers default: 732706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << StringPrintf("unknown opcode '%02X'", *instr); 733706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers break; 734706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 735706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream args; 736706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (reg_in_opcode) { 737706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 738bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, *instr & 0x7, false, prefix[2], GPR); 739706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 740706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 74192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes uint32_t address_bits = 0; 742706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (has_modrm) { 743706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t modrm = *instr; 744706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 745706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t mod = modrm >> 6; 746706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t reg_or_opcode = (modrm >> 3) & 7; 747706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t rm = modrm & 7; 748706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers std::ostringstream address; 749706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (mod == 0 && rm == 5) { // fixed address 75092301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes address_bits = *reinterpret_cast<const uint32_t*>(instr); 75192301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes address << StringPrintf("[0x%x]", address_bits); 752706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 753706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (rm == 4 && mod != 3) { // SIB 754706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t sib = *instr; 755706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 756706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t ss = (sib >> 6) & 3; 757706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t index = (sib >> 3) & 7; 758706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers uint8_t base = sib & 7; 759706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 760706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (base != 5 || mod != 0) { 7617caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpBaseReg(address, rex, base); 762706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 763706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << " + "; 764706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 765706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 766706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (index != 4) { 7677caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers DumpIndexReg(address, rex, index); 768706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ss != 0) { 769706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" * %d", 1 << ss); 770706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 771706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 772706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (mod == 1) { 773706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 774706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 775706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (mod == 2) { 776706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 777706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 778706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 779706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 780706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 781bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 3) { 782703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao if (!no_ops) { 783703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao DumpReg(address, rex, rm, byte_operand, prefix[2], load ? src_reg_file : dst_reg_file); 784703f2cd1f4d1eb5ab5c9792ca2de9ffb39378203jeffhao } 785bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else { 786706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "["; 787bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpBaseReg(address, rex, rm); 788bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers if (mod == 1) { 789bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int8_t*>(instr)); 790bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr++; 791bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } else if (mod == 2) { 792bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers address << StringPrintf(" + %d", *reinterpret_cast<const int32_t*>(instr)); 793bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers instr += 4; 794bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers } 795706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers address << "]"; 796706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 797706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 798706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 7997caad77632ae121c9f64c488e3f8f710e2c4813dIan Rogers if (reg_is_opcode && modrm_opcodes != NULL) { 800706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers opcode << modrm_opcodes[reg_or_opcode]; 801706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 802706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (load) { 803706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 804bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], dst_reg_file); 805706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 806706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 807706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 808706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 809706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 810706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(store); 811706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DumpSegmentOverride(args, prefix[1]); 812706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << address.str(); 813706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (!reg_is_opcode) { 814706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 815bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, reg_or_opcode, byte_operand, prefix[2], src_reg_file); 816706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 817706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 818706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 819706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (ax) { 820fdffdf898f12d91765c7dbe7bcb1ccbbcd2b72d1jeffhao // If this opcode implicitly uses ax, ax is always the first arg. 821bf989802bfcd0a0e1d27feb6b67b19cccb7b31e8Ian Rogers DumpReg(args, rex, 0 /* EAX */, byte_operand, prefix[2], GPR); 822706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 823e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (cx) { 824e296248a124ed8287b38a9225463696c18d84cd6jeffhao args << ", "; 825e296248a124ed8287b38a9225463696c18d84cd6jeffhao DumpReg(args, rex, 1 /* ECX */, true, prefix[2], GPR); 826e296248a124ed8287b38a9225463696c18d84cd6jeffhao } 827706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes > 0) { 828e296248a124ed8287b38a9225463696c18d84cd6jeffhao if (has_modrm || reg_in_opcode || ax || cx) { 829706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << ", "; 830706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 831706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (immediate_bytes == 1) { 832706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int8_t*>(instr)); 833706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 834706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 835706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(immediate_bytes, 4u); 836706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers args << StringPrintf("%d", *reinterpret_cast<const int32_t*>(instr)); 837706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 838706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 839706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else if (branch_bytes > 0) { 840706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers DCHECK(!has_modrm); 841706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers int32_t displacement; 842706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers if (branch_bytes == 1) { 843706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int8_t*>(instr); 844706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr++; 845706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } else { 846706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers CHECK_EQ(branch_bytes, 4u); 847706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers displacement = *reinterpret_cast<const int32_t*>(instr); 848706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers instr += 4; 849706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 85014178a99fd397737124e65d5ccb9446f85c5ca93Elliott Hughes args << StringPrintf("%+d (%p)", displacement, instr + displacement); 851706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 852dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers if (prefix[1] == kFs && !supports_rex_) { 85392301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes args << " ; "; 854dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers Thread::DumpThreadOffset<4>(args, address_bits); 855dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers } 856dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers if (prefix[1] == kGs && supports_rex_) { 857dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers args << " ; "; 858dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers Thread::DumpThreadOffset<8>(args, address_bits); 85992301d97693ea52f5f6a9bc62d0c7fc611f87c7bElliott Hughes } 86028fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes std::stringstream hex; 861706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers for (size_t i = 0; begin_instr + i < instr; ++i) { 86228fa76d17d741238da86dbdb47f721ae97c9eac8Elliott Hughes hex << StringPrintf("%02X", begin_instr[i]); 863706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers } 8645e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers std::stringstream prefixed_opcode; 8655e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers switch (prefix[0]) { 8665e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF0: prefixed_opcode << "lock "; break; 8675e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF2: prefixed_opcode << "repne "; break; 8685e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0xF3: prefixed_opcode << "repe "; break; 8695e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers case 0: break; 8705e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers default: LOG(FATAL) << "Unreachable"; 8715e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers } 8725e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode << opcode.str(); 8735e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers os << StringPrintf("%p: %22s \t%-7s ", begin_instr, hex.str().c_str(), 8745e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers prefixed_opcode.str().c_str()) 8755e588b3c9af58ef54dcdd2cf129472dbe923a5bfIan Rogers << args.str() << '\n'; 876706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers return instr - begin_instr; 8777934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom} // NOLINT(readability/fn_size) 878706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers 879706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace x86 880706a10ea53a32455c6b3ffc5e5e0e1f6f191ec2aIan Rogers} // namespace art 881