460 lines
25 KiB
C++
460 lines
25 KiB
C++
#include "content/views/view_disassembler.hpp"
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#include <hex/providers/provider.hpp>
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#include <hex/helpers/fmt.hpp>
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#include <fonts/codicons_font.h>
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#include <cstring>
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using namespace std::literals::string_literals;
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namespace hex::plugin::disasm {
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ViewDisassembler::ViewDisassembler() : View::Window("hex.disassembler.view.disassembler.name", ICON_VS_FILE_CODE) {
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EventProviderDeleted::subscribe(this, [this](const auto*) {
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m_disassembly.clear();
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});
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}
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ViewDisassembler::~ViewDisassembler() {
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EventDataChanged::unsubscribe(this);
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EventRegionSelected::unsubscribe(this);
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EventProviderDeleted::unsubscribe(this);
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}
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void ViewDisassembler::disassemble() {
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m_disassembly.clear();
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m_disassemblerTask = TaskManager::createTask("hex.disassembler.view.disassembler.disassembling", m_codeRegion.getSize(), [this](auto &task) {
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csh capstoneHandle;
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cs_insn *instructions = nullptr;
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cs_mode mode = m_mode;
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// Create a capstone disassembler instance
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if (cs_open(Disassembler::toCapstoneArchitecture(m_architecture), mode, &capstoneHandle) == CS_ERR_OK) {
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// Tell capstone to skip data bytes
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cs_option(capstoneHandle, CS_OPT_SKIPDATA, CS_OPT_ON);
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auto provider = ImHexApi::Provider::get();
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std::vector<u8> buffer(2048, 0x00);
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size_t size = m_codeRegion.getSize();
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// Read the data in chunks and disassemble it
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for (u64 address = 0; address < size; address += 2048) {
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task.update(address);
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// Read a chunk of data
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size_t bufferSize = std::min(u64(2048), (size - address));
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provider->read(m_codeRegion.getStartAddress() + address, buffer.data(), bufferSize);
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// Ask capstone to disassemble the data
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size_t instructionCount = cs_disasm(capstoneHandle, buffer.data(), bufferSize, m_baseAddress + address, 0, &instructions);
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if (instructionCount == 0)
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break;
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// Reserve enough space for the disassembly
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m_disassembly.reserve(m_disassembly.size() + instructionCount);
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// Convert the capstone instructions to our disassembly format
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u64 usedBytes = 0;
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for (u32 i = 0; i < instructionCount; i++) {
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const auto &instr = instructions[i];
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Disassembly disassembly = { };
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disassembly.address = instr.address;
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disassembly.offset = m_codeRegion.getStartAddress() + address + usedBytes;
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disassembly.size = instr.size;
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disassembly.mnemonic = instr.mnemonic;
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disassembly.operators = instr.op_str;
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for (u16 j = 0; j < instr.size; j++)
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disassembly.bytes += hex::format("{0:02X} ", instr.bytes[j]);
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disassembly.bytes.pop_back();
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m_disassembly.push_back(disassembly);
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usedBytes += instr.size;
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}
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// If capstone couldn't disassemble all bytes in the buffer, we might have cut off an instruction
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// Adjust the address,so it's being disassembled when we read the next chunk
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if (instructionCount < bufferSize)
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address -= (bufferSize - usedBytes);
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// Clean up the capstone instructions
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cs_free(instructions, instructionCount);
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}
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cs_close(&capstoneHandle);
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}
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});
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}
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void ViewDisassembler::drawContent() {
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auto provider = ImHexApi::Provider::get();
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if (ImHexApi::Provider::isValid() && provider->isReadable()) {
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ImGuiExt::Header("hex.disassembler.view.disassembler.position"_lang, true);
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// Draw base address input
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ImGuiExt::InputHexadecimal("hex.disassembler.view.disassembler.base"_lang, &m_baseAddress, ImGuiInputTextFlags_CharsHexadecimal);
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// Draw region selection picker
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ui::regionSelectionPicker(&m_codeRegion, provider, &m_range);
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// Draw settings
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{
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ImGuiExt::Header("hex.ui.common.settings"_lang);
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// Draw architecture selector
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if (ImGui::Combo("hex.disassembler.view.disassembler.arch"_lang, reinterpret_cast<int *>(&m_architecture), Disassembler::ArchitectureNames.data(), Disassembler::getArchitectureSupportedCount()))
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m_mode = cs_mode(0);
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// Draw sub-settings for each architecture
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if (ImGuiExt::BeginBox()) {
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// Draw endian radio buttons. This setting is available for all architectures
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static int littleEndian = true;
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ImGui::RadioButton("hex.ui.common.little_endian"_lang, &littleEndian, true);
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ImGui::SameLine();
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ImGui::RadioButton("hex.ui.common.big_endian"_lang, &littleEndian, false);
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ImGui::NewLine();
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// Draw architecture specific settings
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switch (m_architecture) {
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case Architecture::ARM:
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{
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static int mode = CS_MODE_ARM;
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ImGui::RadioButton("hex.disassembler.view.disassembler.arm.arm"_lang, &mode, CS_MODE_ARM);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.arm.thumb"_lang, &mode, CS_MODE_THUMB);
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static int extraMode = 0;
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ImGui::RadioButton("hex.disassembler.view.disassembler.arm.default"_lang, &extraMode, 0);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.arm.cortex_m"_lang, &extraMode, CS_MODE_MCLASS);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.arm.armv8"_lang, &extraMode, CS_MODE_V8);
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m_mode = cs_mode(mode | extraMode);
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}
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break;
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case Architecture::MIPS:
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{
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static int mode = CS_MODE_MIPS32;
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ImGui::RadioButton("hex.disassembler.view.disassembler.mips.mips32"_lang, &mode, CS_MODE_MIPS32);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.mips.mips64"_lang, &mode, CS_MODE_MIPS64);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.mips.mips32R6"_lang, &mode, CS_MODE_MIPS32R6);
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ImGui::RadioButton("hex.disassembler.view.disassembler.mips.mips2"_lang, &mode, CS_MODE_MIPS2);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.mips.mips3"_lang, &mode, CS_MODE_MIPS3);
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static bool microMode;
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ImGui::Checkbox("hex.disassembler.view.disassembler.mips.micro"_lang, µMode);
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m_mode = cs_mode(mode | (microMode ? CS_MODE_MICRO : cs_mode(0)));
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}
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break;
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case Architecture::X86:
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{
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static int mode = CS_MODE_32;
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ImGui::RadioButton("hex.disassembler.view.disassembler.16bit"_lang, &mode, CS_MODE_16);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.32bit"_lang, &mode, CS_MODE_32);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.64bit"_lang, &mode, CS_MODE_64);
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m_mode = cs_mode(mode);
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}
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break;
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case Architecture::PPC:
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{
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static int mode = CS_MODE_32;
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ImGui::RadioButton("hex.disassembler.view.disassembler.32bit"_lang, &mode, CS_MODE_32);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.64bit"_lang, &mode, CS_MODE_64);
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static bool qpx = false;
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ImGui::Checkbox("hex.disassembler.view.disassembler.ppc.qpx"_lang, &qpx);
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#if CS_API_MAJOR >= 5
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static bool spe = false;
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ImGui::Checkbox("hex.disassembler.view.disassembler.ppc.spe"_lang, &spe);
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static bool booke = false;
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ImGui::Checkbox("hex.disassembler.view.disassembler.ppc.booke"_lang, &booke);
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m_mode = cs_mode(mode | (qpx ? CS_MODE_QPX : cs_mode(0)) | (spe ? CS_MODE_SPE : cs_mode(0)) | (booke ? CS_MODE_BOOKE : cs_mode(0)));
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#else
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m_mode = cs_mode(mode | (qpx ? CS_MODE_QPX : cs_mode(0)));
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#endif
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}
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break;
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case Architecture::SPARC:
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{
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static bool v9Mode = false;
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ImGui::Checkbox("hex.disassembler.view.disassembler.sparc.v9"_lang, &v9Mode);
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m_mode = cs_mode(v9Mode ? CS_MODE_V9 : cs_mode(0));
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}
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break;
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#if CS_API_MAJOR >= 5
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case Architecture::RISCV:
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{
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static int mode = CS_MODE_RISCV32;
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ImGui::RadioButton("hex.disassembler.view.disassembler.32bit"_lang, &mode, CS_MODE_RISCV32);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.64bit"_lang, &mode, CS_MODE_RISCV64);
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static bool compressed = false;
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ImGui::Checkbox("hex.disassembler.view.disassembler.riscv.compressed"_lang, &compressed);
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m_mode = cs_mode(mode | (compressed ? CS_MODE_RISCVC : cs_mode(0)));
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}
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break;
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#endif
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case Architecture::M68K:
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{
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static int selectedMode = 0;
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std::pair<const char *, cs_mode> modes[] = {
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{"hex.disassembler.view.disassembler.m68k.000"_lang, CS_MODE_M68K_000},
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{ "hex.disassembler.view.disassembler.m68k.010"_lang, CS_MODE_M68K_010},
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{ "hex.disassembler.view.disassembler.m68k.020"_lang, CS_MODE_M68K_020},
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{ "hex.disassembler.view.disassembler.m68k.030"_lang, CS_MODE_M68K_030},
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{ "hex.disassembler.view.disassembler.m68k.040"_lang, CS_MODE_M68K_040},
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{ "hex.disassembler.view.disassembler.m68k.060"_lang, CS_MODE_M68K_060},
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};
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if (ImGui::BeginCombo("hex.disassembler.view.disassembler.settings.mode"_lang, modes[selectedMode].first)) {
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for (u32 i = 0; i < IM_ARRAYSIZE(modes); i++) {
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if (ImGui::Selectable(modes[i].first))
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selectedMode = i;
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}
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ImGui::EndCombo();
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}
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m_mode = cs_mode(modes[selectedMode].second);
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}
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break;
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case Architecture::M680X:
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{
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static int selectedMode = 0;
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std::pair<const char *, cs_mode> modes[] = {
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{"hex.disassembler.view.disassembler.m680x.6301"_lang, CS_MODE_M680X_6301 },
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{ "hex.disassembler.view.disassembler.m680x.6309"_lang, CS_MODE_M680X_6309 },
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{ "hex.disassembler.view.disassembler.m680x.6800"_lang, CS_MODE_M680X_6800 },
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{ "hex.disassembler.view.disassembler.m680x.6801"_lang, CS_MODE_M680X_6801 },
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{ "hex.disassembler.view.disassembler.m680x.6805"_lang, CS_MODE_M680X_6805 },
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{ "hex.disassembler.view.disassembler.m680x.6808"_lang, CS_MODE_M680X_6808 },
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{ "hex.disassembler.view.disassembler.m680x.6809"_lang, CS_MODE_M680X_6809 },
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{ "hex.disassembler.view.disassembler.m680x.6811"_lang, CS_MODE_M680X_6811 },
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{ "hex.disassembler.view.disassembler.m680x.cpu12"_lang, CS_MODE_M680X_CPU12},
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{ "hex.disassembler.view.disassembler.m680x.hcs08"_lang, CS_MODE_M680X_HCS08},
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};
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if (ImGui::BeginCombo("hex.disassembler.view.disassembler.settings.mode"_lang, modes[selectedMode].first)) {
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for (u32 i = 0; i < IM_ARRAYSIZE(modes); i++) {
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if (ImGui::Selectable(modes[i].first))
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selectedMode = i;
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}
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ImGui::EndCombo();
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}
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m_mode = cs_mode(modes[selectedMode].second);
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}
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break;
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#if CS_API_MAJOR >= 5
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case Architecture::MOS65XX:
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{
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static int selectedMode = 0;
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std::pair<const char *, cs_mode> modes[] = {
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{"hex.disassembler.view.disassembler.mos65xx.6502"_lang, CS_MODE_MOS65XX_6502 },
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{ "hex.disassembler.view.disassembler.mos65xx.65c02"_lang, CS_MODE_MOS65XX_65C02 },
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{ "hex.disassembler.view.disassembler.mos65xx.w65c02"_lang, CS_MODE_MOS65XX_W65C02 },
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{ "hex.disassembler.view.disassembler.mos65xx.65816"_lang, CS_MODE_MOS65XX_65816 },
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{ "hex.disassembler.view.disassembler.mos65xx.65816_long_m"_lang, CS_MODE_MOS65XX_65816_LONG_M },
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{ "hex.disassembler.view.disassembler.mos65xx.65816_long_x"_lang, CS_MODE_MOS65XX_65816_LONG_X },
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{ "hex.disassembler.view.disassembler.mos65xx.65816_long_mx"_lang, CS_MODE_MOS65XX_65816_LONG_MX},
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};
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if (ImGui::BeginCombo("hex.disassembler.view.disassembler.settings.mode"_lang, modes[selectedMode].first)) {
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for (u32 i = 0; i < IM_ARRAYSIZE(modes); i++) {
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if (ImGui::Selectable(modes[i].first))
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selectedMode = i;
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}
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ImGui::EndCombo();
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}
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m_mode = cs_mode(modes[selectedMode].second);
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}
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break;
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#endif
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#if CS_API_MAJOR >= 5
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case Architecture::BPF:
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{
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static int mode = CS_MODE_BPF_CLASSIC;
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ImGui::RadioButton("hex.disassembler.view.disassembler.bpf.classic"_lang, &mode, CS_MODE_BPF_CLASSIC);
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ImGui::SameLine();
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ImGui::RadioButton("hex.disassembler.view.disassembler.bpf.extended"_lang, &mode, CS_MODE_BPF_EXTENDED);
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m_mode = cs_mode(mode);
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}
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break;
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case Architecture::SH:
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{
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static u32 selectionMode = 0;
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static bool fpu = false;
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static bool dsp = false;
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std::pair<const char*, cs_mode> modes[] = {
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{ "hex.disassembler.view.disassembler.sh.sh2"_lang, CS_MODE_SH2 },
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{ "hex.disassembler.view.disassembler.sh.sh2a"_lang, CS_MODE_SH2A },
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{ "hex.disassembler.view.disassembler.sh.sh3"_lang, CS_MODE_SH3 },
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{ "hex.disassembler.view.disassembler.sh.sh4"_lang, CS_MODE_SH4 },
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{ "hex.disassembler.view.disassembler.sh.sh4a"_lang, CS_MODE_SH4A },
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};
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if (ImGui::BeginCombo("hex.disassembler.view.disassembler.settings.mode"_lang, modes[selectionMode].first)) {
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for (u32 i = 0; i < IM_ARRAYSIZE(modes); i++) {
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if (ImGui::Selectable(modes[i].first))
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selectionMode = i;
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}
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ImGui::EndCombo();
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}
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ImGui::Checkbox("hex.disassembler.view.disassembler.sh.fpu"_lang, &fpu);
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ImGui::SameLine();
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ImGui::Checkbox("hex.disassembler.view.disassembler.sh.dsp"_lang, &dsp);
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m_mode = cs_mode(modes[selectionMode].second | (fpu ? CS_MODE_SHFPU : cs_mode(0)) | (dsp ? CS_MODE_SHDSP : cs_mode(0)));
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}
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break;
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case Architecture::TRICORE:
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{
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static u32 selectionMode = 0;
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std::pair<const char*, cs_mode> modes[] = {
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{ "hex.disassembler.view.disassembler.tricore.110"_lang, CS_MODE_TRICORE_110 },
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{ "hex.disassembler.view.disassembler.tricore.120"_lang, CS_MODE_TRICORE_120 },
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{ "hex.disassembler.view.disassembler.tricore.130"_lang, CS_MODE_TRICORE_130 },
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{ "hex.disassembler.view.disassembler.tricore.131"_lang, CS_MODE_TRICORE_131 },
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{ "hex.disassembler.view.disassembler.tricore.160"_lang, CS_MODE_TRICORE_160 },
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{ "hex.disassembler.view.disassembler.tricore.161"_lang, CS_MODE_TRICORE_161 },
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{ "hex.disassembler.view.disassembler.tricore.162"_lang, CS_MODE_TRICORE_162 },
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};
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if (ImGui::BeginCombo("hex.disassembler.view.disassembler.settings.mode"_lang, modes[selectionMode].first)) {
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for (u32 i = 0; i < IM_ARRAYSIZE(modes); i++) {
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if (ImGui::Selectable(modes[i].first))
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selectionMode = i;
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}
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ImGui::EndCombo();
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}
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m_mode = cs_mode(modes[selectionMode].second);
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}
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break;
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case Architecture::WASM:
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#endif
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case Architecture::EVM:
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case Architecture::TMS320C64X:
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case Architecture::ARM64:
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case Architecture::SYSZ:
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case Architecture::XCORE:
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m_mode = cs_mode(0);
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break;
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}
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if (littleEndian) {
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m_mode = cs_mode(u32(m_mode) | CS_MODE_LITTLE_ENDIAN);
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} else {
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m_mode = cs_mode(u32(m_mode) | CS_MODE_BIG_ENDIAN);
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}
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ImGuiExt::EndBox();
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}
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}
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// Draw disassemble button
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ImGui::BeginDisabled(m_disassemblerTask.isRunning());
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{
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if (ImGui::Button("hex.disassembler.view.disassembler.disassemble"_lang))
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this->disassemble();
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}
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ImGui::EndDisabled();
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// Draw a spinner if the disassembler is running
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if (m_disassemblerTask.isRunning()) {
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ImGui::SameLine();
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ImGuiExt::TextSpinner("hex.disassembler.view.disassembler.disassembling"_lang);
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}
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ImGui::NewLine();
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ImGui::TextUnformatted("hex.disassembler.view.disassembler.disassembly.title"_lang);
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ImGui::Separator();
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// Draw disassembly table
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if (ImGui::BeginTable("##disassembly", 4, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_Resizable | ImGuiTableFlags_RowBg | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable)) {
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ImGui::TableSetupScrollFreeze(0, 1);
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ImGui::TableSetupColumn("hex.disassembler.view.disassembler.disassembly.address"_lang);
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ImGui::TableSetupColumn("hex.disassembler.view.disassembler.disassembly.offset"_lang);
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ImGui::TableSetupColumn("hex.disassembler.view.disassembler.disassembly.bytes"_lang);
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ImGui::TableSetupColumn("hex.disassembler.view.disassembler.disassembly.title"_lang);
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if (!m_disassemblerTask.isRunning()) {
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ImGuiListClipper clipper;
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clipper.Begin(m_disassembly.size());
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|
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ImGui::TableHeadersRow();
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while (clipper.Step()) {
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for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) {
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const auto &instruction = m_disassembly[i];
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|
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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|
|
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// Draw a selectable label for the address
|
|
ImGui::PushID(i);
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|
if (ImGui::Selectable("##DisassemblyLine", false, ImGuiSelectableFlags_SpanAllColumns)) {
|
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ImHexApi::HexEditor::setSelection(instruction.offset, instruction.size);
|
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}
|
|
ImGui::PopID();
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|
|
|
// Draw instruction address
|
|
ImGui::SameLine();
|
|
ImGuiExt::TextFormatted("0x{0:X}", instruction.address);
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|
|
|
// Draw instruction offset
|
|
ImGui::TableNextColumn();
|
|
ImGuiExt::TextFormatted("0x{0:X}", instruction.offset);
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|
|
|
// Draw instruction bytes
|
|
ImGui::TableNextColumn();
|
|
ImGui::TextUnformatted(instruction.bytes.c_str());
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|
|
|
// Draw instruction mnemonic and operands
|
|
ImGui::TableNextColumn();
|
|
ImGuiExt::TextFormattedColored(ImColor(0xFFD69C56), "{}", instruction.mnemonic);
|
|
ImGui::SameLine();
|
|
ImGui::TextUnformatted(instruction.operators.c_str());
|
|
}
|
|
}
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|
|
|
clipper.End();
|
|
}
|
|
|
|
ImGui::EndTable();
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|