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Add partial config UI, add more architectures

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This commit is contained in:
WerWolv 2023-12-04 22:05:34 +01:00
parent 5b1f5c0dd8
commit abd21637ce
5 changed files with 503 additions and 142 deletions
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13
lib/libimhex/include/hex/api/content_registry.hpp
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@ -17,6 +17,8 @@
#include <nlohmann/json.hpp>
#include "task_manager.hpp"
using ImGuiDataType = int;
using ImGuiInputTextFlags = int;
struct ImColor;
@ -1004,7 +1006,14 @@ namespace hex {
std::string mnemonic;
std::string operands;
std::optional<u64> jumpDestination;
enum class Type {
Jump,
Call,
Return,
Other
} type;
std::optional<u64> extraData;
};
class Architecture {
@ -1017,7 +1026,7 @@ namespace hex {
}
virtual void drawConfigInterface() = 0;
virtual std::vector<Instruction> disassemble(prv::Provider *provider, const Region& region) = 0;
virtual std::vector<Instruction> disassemble(prv::Provider *provider, const Region& region, Task &task) = 0;
private:
std::string m_unlocalizedName;

19
plugins/builtin/include/content/views/view_disassembler.hpp
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@ -1,7 +1,9 @@
#pragma once
#include <hex/api/content_registry.hpp>
#include <hex/api/task_manager.hpp>
#include <hex/ui/view.hpp>
#include <ui/widgets.hpp>
namespace hex::plugin::builtin {
@ -17,20 +19,33 @@ namespace hex::plugin::builtin {
private:
struct DisassemblyLine {
enum class Type {
Instruction,
CallInstruction,
Separator,
} type;
ImHexApi::HexEditor::ProviderRegion region;
std::string bytes;
std::string mnemonic;
std::string operands;
std::optional<u64> jumpDestination;
ImVec2 linePos;
std::optional<u64> extraData;
ImVec2 linePosition;
};
void addLine(prv::Provider *provider, const ContentRegistry::Disassembler::Instruction &instruction);
bool drawInstructionLine(DisassemblyLine &line);
bool drawSeparatorLine(DisassemblyLine &line);
private:
PerProvider<std::vector<DisassemblyLine>> m_lines;
ContentRegistry::Disassembler::Architecture *m_currArchitecture = nullptr;
ui::RegionType m_regionType = ui::RegionType::EntireData;
Region m_disassembleRegion = { 0, 0 };
TaskHolder m_disassembleTask;
};
}

3
plugins/builtin/include/ui/widgets.hpp
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@ -3,6 +3,9 @@
#include <imgui.h>
#include <hex/ui/imgui_imhex_extensions.h>
#include <hex/api/imhex_api.hpp>
#include <hex/api/localization_manager.hpp>
namespace pl::ptrn { class Pattern; }
namespace hex::prv { class Provider; }

259
plugins/builtin/source/content/disassemblers.cpp
View File

@ -3,9 +3,14 @@
#include <capstone/capstone.h>
#include <hex/providers/provider.hpp>
#include <hex/ui/widgets.hpp>
#include <wolv/utils/guards.hpp>
#include <wolv/literals.hpp>
#include <ranges>
#include <ui/widgets.hpp>
namespace hex::plugin::builtin {
namespace {
@ -17,15 +22,28 @@ namespace hex::plugin::builtin {
public:
ArchitectureCapstoneBase(const std::string &unlocalizedName, cs_arch arch) : Architecture(unlocalizedName), m_architecture(arch) { }
std::vector<Instruction> disassemble(prv::Provider *provider, const Region &region) override {
virtual Instruction::Type getInstructionType(const cs_insn &instruction) {
for (const auto &group : std::span { instruction.detail->groups, instruction.detail->groups_count }) {
if (group == CS_GRP_RET || group == CS_GRP_IRET)
return Instruction::Type::Return;
if (group == CS_GRP_CALL)
return Instruction::Type::Call;
if (group == CS_GRP_JUMP)
return Instruction::Type::Jump;
}
return Instruction::Type::Other;
}
std::vector<Instruction> disassemble(prv::Provider *provider, const Region &region, Task &task) override {
std::vector<Instruction> disassembly;
csh csHandle = {};
if (cs_open(this->m_architecture, CS_MODE_64, &csHandle) != CS_ERR_OK)
if (cs_open(this->m_architecture, cs_mode(u64(this->m_mode) | (this->m_endian == 0 ? CS_MODE_LITTLE_ENDIAN : CS_MODE_BIG_ENDIAN)), &csHandle) != CS_ERR_OK)
return {};
ON_SCOPE_EXIT { cs_close(&csHandle); };
cs_option(csHandle, CS_OPT_SYNTAX, CS_OPT_SYNTAX_INTEL);
cs_option(csHandle, CS_OPT_SYNTAX, this->m_syntax);
cs_option(csHandle, CS_OPT_DETAIL, CS_OPT_ON);
cs_option(csHandle, CS_OPT_SKIPDATA, CS_OPT_ON);
@ -35,6 +53,7 @@ namespace hex::plugin::builtin {
std::vector<u8> bytes;
u64 prevAddress = std::numeric_limits<u64>::max();
for (u64 address = region.getStartAddress(); address < region.getEndAddress();) {
task.update(address - region.getStartAddress());
if (prevAddress == address)
break;
bytes.resize(std::min(2_MiB, (region.getEndAddress() - address) + 1));
@ -44,11 +63,13 @@ namespace hex::plugin::builtin {
size_t size = bytes.size();
prevAddress = address;
while (cs_disasm_iter(csHandle, &code, &size, &address, instruction)) {
auto type = getInstructionType(*instruction);
auto line = Instruction {
.region = { instruction->address, instruction->size },
.mnemonic = instruction->mnemonic,
.operands = instruction->op_str,
.jumpDestination = getJumpDestination(*instruction)
.type = type,
.extraData = getExtraData(type, *instruction)
};
disassembly.emplace_back(std::move(line));
@ -59,21 +80,78 @@ namespace hex::plugin::builtin {
}
void drawConfigInterface() override {
ImGui::TextUnformatted("Config Interface");
ImGuiExt::BeginSubWindow("Endianess");
{
drawRadioButtons(this->m_endian, {
{ "Little", CS_MODE_LITTLE_ENDIAN },
{ "Big", CS_MODE_BIG_ENDIAN }
});
}
ImGuiExt::EndSubWindow();
ImGuiExt::BeginSubWindow("Syntax");
{
drawRadioButtons(this->m_syntax, {
{ "Intel", CS_OPT_SYNTAX_INTEL },
{ "AT&T", CS_OPT_SYNTAX_ATT },
{ "MASM", CS_OPT_SYNTAX_MASM },
{ "Motorola", CS_OPT_SYNTAX_MOTOROLA }
});
}
ImGuiExt::EndSubWindow();
}
virtual std::optional<u64> getJumpDestination(const cs_insn &instruction) = 0;
virtual std::optional<u64> getExtraData(Instruction::Type type, const cs_insn &instruction) = 0;
protected:
template<typename T>
static void drawRadioButtons(T &currMode, const std::vector<std::pair<std::string, T>> &modes) {
for (const auto &[index, mode] : modes | std::views::enumerate) {
const auto &[unlocalizedName, csMode] = mode;
if (ImGui::RadioButton(Lang(unlocalizedName), csMode == currMode)) {
currMode = csMode;
}
ImGui::SameLine();
}
ImGui::NewLine();
}
template<typename T>
static void drawCheckbox(T &currMode, const std::string &unlocalizedName, T mode) {
bool enabled = currMode & mode;
if (ImGui::Checkbox(Lang(unlocalizedName), &enabled)) {
if (enabled)
currMode = T(u64(currMode) | u64(mode));
else
currMode = T(u64(currMode) & ~u64(mode));
}
}
private:
cs_arch m_architecture;
cs_mode m_endian = cs_mode(0);
cs_opt_value m_syntax = CS_OPT_SYNTAX_INTEL;
protected:
cs_mode m_mode = cs_mode(0);
};
class ArchitectureX86 : public ArchitectureCapstoneBase {
public:
ArchitectureX86() : ArchitectureCapstoneBase("x86", CS_ARCH_X86) { }
ArchitectureX86() : ArchitectureCapstoneBase("x86", CS_ARCH_X86) {
this->m_mode = CS_MODE_64;
}
std::optional<u64> getJumpDestination(const cs_insn &instruction) override {
std::optional<u64> getExtraData(Instruction::Type type, const cs_insn &instruction) override {
switch (type) {
using enum Instruction::Type;
case Jump: {
// Get jump destination of jumps on x86
if (instruction.id == X86_INS_JMP) {
if (instruction.detail->x86.op_count != 1)
@ -102,6 +180,169 @@ namespace hex::plugin::builtin {
return instruction.address + instruction.size + op.mem.disp;
}
break;
}
case Call: {
if (instruction.id == X86_INS_CALL) {
if (instruction.detail->x86.op_count != 1)
return std::nullopt;
const auto &op = instruction.detail->x86.operands[0];
if (op.type == X86_OP_IMM)
return op.imm;
if (op.type == X86_OP_MEM && op.mem.base == X86_REG_RIP)
return instruction.address + instruction.size + op.mem.disp;
}
break;
}
case Return:
break;
case Other:
break;
}
return std::nullopt;
}
void drawConfigInterface() override {
ArchitectureCapstoneBase::drawConfigInterface();
ImGuiExt::BeginSubWindow("Address Width");
{
drawRadioButtons(this->m_mode, {
{ "16 Bit", CS_MODE_16 },
{ "32 Bit", CS_MODE_32 },
{ "64 Bit", CS_MODE_64 },
});
}
ImGuiExt::EndSubWindow();
}
};
class ArchitectureARM32 : public ArchitectureCapstoneBase {
public:
ArchitectureARM32() : ArchitectureCapstoneBase("ARM", CS_ARCH_ARM) {
this->m_mode = CS_MODE_ARM;
}
std::optional<u64> getExtraData(Instruction::Type type, const cs_insn &instruction) override {
switch (type) {
using enum Instruction::Type;
case Jump: {
// Get jump destination of jumps on ARM
if (instruction.id == ARM_INS_B) {
if (instruction.detail->arm.op_count != 1)
return std::nullopt;
const auto &op = instruction.detail->arm.operands[0];
if (op.type == ARM_OP_IMM)
return op.imm;
if (op.type == ARM_OP_MEM && op.mem.base == ARM_REG_PC)
return instruction.address + instruction.size + op.mem.disp;
}
break;
}
case Call: {
if (instruction.id == ARM_INS_BL) {
if (instruction.detail->arm.op_count != 1)
return std::nullopt;
const auto &op = instruction.detail->arm.operands[0];
if (op.type == ARM_OP_IMM)
return op.imm;
if (op.type == ARM_OP_MEM && op.mem.base == ARM_REG_PC)
return instruction.address + instruction.size + op.mem.disp;
}
break;
}
case Return:
break;
case Other:
break;
}
return std::nullopt;
}
void drawConfigInterface() override {
ArchitectureCapstoneBase::drawConfigInterface();
ImGuiExt::BeginSubWindow("Instruction Set");
{
drawRadioButtons(this->m_mode, {
{ "ARM", CS_MODE_ARM },
{ "Thumb & Thumb-2", CS_MODE_THUMB },
{ "ARMv8 / AArch32", CS_MODE_THUMB }
});
drawCheckbox(this->m_mode, "Cortex-M", CS_MODE_MCLASS);
}
ImGuiExt::EndSubWindow();
}
};
class ArchitectureARM64 : public ArchitectureCapstoneBase {
public:
ArchitectureARM64() : ArchitectureCapstoneBase("ARM64 / AArch64", CS_ARCH_ARM64) {
}
std::optional<u64> getExtraData(Instruction::Type type, const cs_insn &instruction) override {
switch (type) {
using enum Instruction::Type;
case Jump: {
// Get jump destination of jumps on ARM64
if (instruction.id == ARM64_INS_B) {
if (instruction.detail->arm64.op_count != 1)
return std::nullopt;
const auto &op = instruction.detail->arm64.operands[0];
if (op.type == ARM64_OP_IMM)
return op.imm;
if (op.type == ARM64_OP_MEM)
return instruction.address + instruction.size + op.mem.disp;
}
break;
}
case Call: {
if (instruction.id == ARM64_INS_BL) {
if (instruction.detail->arm64.op_count != 1)
return std::nullopt;
const auto &op = instruction.detail->arm64.operands[0];
if (op.type == ARM64_OP_IMM)
return op.imm;
if (op.type == ARM64_OP_MEM)
return instruction.address + instruction.size + op.mem.disp;
}
break;
}
case Return:
break;
case Other:
break;
}
return std::nullopt;
}
};
@ -110,6 +351,8 @@ namespace hex::plugin::builtin {
void registerDisassemblers() {
ContentRegistry::Disassembler::add<ArchitectureX86>();
ContentRegistry::Disassembler::add<ArchitectureARM32>();
ContentRegistry::Disassembler::add<ArchitectureARM64>();
}
}

173
plugins/builtin/source/content/views/view_disassembler.cpp
View File

@ -3,6 +3,7 @@
#include <hex/helpers/fmt.hpp>
#include <hex/providers/buffered_reader.hpp>
#include <ui/widgets.hpp>
using namespace std::literals::string_literals;
@ -13,18 +14,99 @@ namespace hex::plugin::builtin {
}
void ViewDisassembler::addLine(prv::Provider *provider, const ContentRegistry::Disassembler::Instruction &instruction) {
prv::ProviderReader reader(provider);
reader.seek(instruction.region.getStartAddress());
reader.setEndAddress(instruction.region.getEndAddress());
std::vector<u8> bytes(instruction.region.getSize());
provider->read(instruction.region.getStartAddress(), bytes.data(), bytes.size());
std::string bytes;
for (const auto& byte : reader) {
bytes += fmt::format("{:02X} ", byte);
std::string byteString;
for (const auto& byte : bytes) {
byteString += fmt::format("{:02X} ", byte);
}
bytes.pop_back();
byteString.pop_back();
this->m_lines.get(provider).emplace_back(ImHexApi::HexEditor::ProviderRegion { instruction.region, provider }, std::move(bytes), instruction.mnemonic, instruction.operands, instruction.jumpDestination, ImVec2());
switch (instruction.type) {
using enum ContentRegistry::Disassembler::Instruction::Type;
case Return:
this->m_lines.get(provider).emplace_back(
DisassemblyLine::Type::Instruction,
ImHexApi::HexEditor::ProviderRegion {
instruction.region,
provider
},
std::move(byteString),
instruction.mnemonic,
instruction.operands,
instruction.extraData,
ImVec2()
);
this->m_lines.get(provider).emplace_back(DisassemblyLine::Type::Separator);
break;
case Call:
this->m_lines.get(provider).emplace_back(
DisassemblyLine::Type::CallInstruction,
ImHexApi::HexEditor::ProviderRegion {
instruction.region,
provider
},
std::move(byteString),
instruction.mnemonic,
instruction.operands,
instruction.extraData,
ImVec2()
);
break;
case Jump:
case Other:
this->m_lines.get(provider).emplace_back(
DisassemblyLine::Type::Instruction,
ImHexApi::HexEditor::ProviderRegion {
instruction.region,
provider
},
std::move(byteString),
instruction.mnemonic,
instruction.operands,
instruction.extraData,
ImVec2()
);
break;
}
}
bool ViewDisassembler::drawInstructionLine(DisassemblyLine& line) {
auto height = ImGui::GetTextLineHeight(); //ImGui::CalcTextSize(line.bytes.c_str(), nullptr, false, 80_scaled).y;
ImGui::TableNextColumn();
if (ImGui::Selectable(hex::format("0x{:08X}", line.region.getStartAddress()).c_str(), false, ImGuiSelectableFlags_SpanAllColumns, ImVec2(0, height))) {
ImHexApi::HexEditor::setSelection(line.region);
}
bool hovered = ImGui::IsItemHovered();
ImGui::TableNextColumn();
ImGuiExt::TextFormattedColored(ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_Highlight), "{}", line.bytes);
ImGui::TableNextColumn();
ImGuiExt::TextFormattedColored(ImGui::GetColorU32(ImGuiCol_HeaderActive), "{} ", line.mnemonic);
ImGui::SameLine(0, 0);
ImGuiExt::TextFormatted("{}", line.operands);
return hovered;
}
bool ViewDisassembler::drawSeparatorLine(DisassemblyLine&) {
ImGui::BeginDisabled();
ImGui::PushStyleColor(ImGuiCol_Header, ImGui::GetColorU32(ImGuiCol_Text));
ImGui::Selectable("##separator", true, ImGuiSelectableFlags_SpanAllColumns, ImVec2(0, 2_scaled));
ImGui::PopStyleColor();
ImGui::EndDisabled();
ImGui::TableNextColumn();
ImGui::TableNextColumn();
ImGui::TableNextColumn();
return false;
}
static void drawJumpLine(ImVec2 start, ImVec2 end, float columnWidth, u32 slot, bool endVisible, bool hovered) {
const u32 slotCount = std::floor(std::max<float>(1.0F, columnWidth / 10_scaled));
@ -84,31 +166,42 @@ namespace hex::plugin::builtin {
ImGui::SameLine();
if (this->m_lines->empty()) {
if (this->m_disassembleTask.isRunning() || this->m_lines->empty()) {
ImGui::BeginDisabled(this->m_disassembleTask.isRunning());
auto provider = ImHexApi::Provider::get();
if (ImGuiExt::DimmedButton("Disassemble", ImVec2(ImGui::GetContentRegionAvail().x, 0))) {
auto disassembly = this->m_currArchitecture->disassemble(provider, ImHexApi::HexEditor::getSelection().value());
this->m_disassembleTask = TaskManager::createTask("Disassembling...", this->m_disassembleRegion.getSize(), [this, provider](auto &task) {
const auto disassembly = this->m_currArchitecture->disassemble(provider, this->m_disassembleRegion, task);
for (const auto &instruction : disassembly)
task.setMaxValue(disassembly.size());
for (const auto &[index, instruction] : disassembly | std::views::enumerate) {
task.update(index);
this->addLine(provider, instruction);
}
});
}
ImGuiExt::BeginSubWindow("Config");
{
ui::regionSelectionPicker(&this->m_disassembleRegion, provider, &this->m_regionType, true, true);
ImGuiExt::Header("Architecture Settings");
this->m_currArchitecture->drawConfigInterface();
}
ImGuiExt::EndSubWindow();
ImGui::EndDisabled();
} else {
if (ImGuiExt::DimmedButton("Reset", ImVec2(ImGui::GetContentRegionAvail().x, 0))) {
this->m_lines->clear();
}
}
if (ImGui::BeginTable("##disassembly", 4, ImGuiTableFlags_BordersOuter | ImGuiTableFlags_RowBg | ImGuiTableFlags_ScrollY | ImGuiTableFlags_Resizable, ImGui::GetContentRegionAvail())) {
if (ImGui::BeginTable("##disassembly", 4, ImGuiTableFlags_BordersOuter | ImGuiTableFlags_ScrollY | ImGuiTableFlags_Resizable, ImGui::GetContentRegionAvail())) {
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("##jumps");
ImGui::TableSetupColumn("##address", ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_NoResize, 80_scaled);
ImGui::TableSetupColumn("##bytes", ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_NoResize, 80_scaled);
ImGui::TableSetupColumn("##bytes", ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_NoResize, 120_scaled);
ImGui::TableSetupColumn("##instruction", ImGuiTableColumnFlags_WidthStretch | ImGuiTableColumnFlags_NoResize);
ImGui::TableHeadersRow();
@ -126,38 +219,34 @@ namespace hex::plugin::builtin {
for (auto i = processingStart; i < processingEnd; i += 1) {
auto &line = this->m_lines->at(i);
ImGui::TableNextRow();
auto height = ImGui::CalcTextSize(line.bytes.c_str(), nullptr, false, 80_scaled).y;
ImGui::TableNextColumn();
{
auto height = ImGui::CalcTextSize(line.bytes.c_str(), nullptr, false, 80_scaled).y;
// Reserve some space to draw the jump lines later
// Remember the position of the line so we can draw the jump lines later
jumpColumnWidth = ImGui::GetContentRegionAvail().x;
line.linePos = ImGui::GetCursorScreenPos() + ImVec2(jumpColumnWidth, height / 2);
line.linePosition = ImGui::GetCursorScreenPos() + ImVec2(jumpColumnWidth, height / 2);
}
ImGui::TableNextColumn();
if (ImGui::Selectable(hex::format("0x{:08X}", line.region.getStartAddress()).c_str(), false, ImGuiSelectableFlags_SpanAllColumns, ImVec2(0, height))) {
ImHexApi::HexEditor::setSelection(line.region);
}
if (ImGui::IsItemHovered())
switch (line.type) {
using enum DisassemblyLine::Type;
case CallInstruction:
case Instruction:
if (this->drawInstructionLine(line))
hoveredAddress = line.region.getStartAddress();
break;
case Separator:
this->drawSeparatorLine(line);
break;
}
ImGui::TableNextColumn();
ImGui::PushStyleColor(ImGuiCol_Text, ImGuiExt::GetCustomColorVec4(ImGuiCustomCol_Highlight));
ImGuiExt::TextFormattedWrapped("{}", line.bytes);
ImGui::PopStyleColor();
ImGui::TableNextColumn();
ImGuiExt::TextFormattedColored(ImGui::GetColorU32(ImGuiCol_HeaderActive), "{} ", line.mnemonic);
ImGui::SameLine(0, 0);
ImGuiExt::TextFormatted("{}", line.operands);
}
}
ImGui::EndTable();
// Draw jump arrows
if (!this->m_lines->empty()) {
auto &firstVisibleLine = this->m_lines->at(processingStart);
@ -179,21 +268,23 @@ namespace hex::plugin::builtin {
for (auto sourceLineIndex = processingStart; sourceLineIndex < processingEnd; sourceLineIndex += 1) {
const auto &sourceLine = this->m_lines->at(sourceLineIndex);
if (auto jumpDestination = sourceLine.jumpDestination; jumpDestination.has_value()) {
if (auto jumpDestination = sourceLine.extraData; jumpDestination.has_value()) {
for (auto destinationLineIndex = processingStart; destinationLineIndex < processingEnd; destinationLineIndex += 1) {
const auto &destinationLine = this->m_lines->at(destinationLineIndex);
auto freeSlot = findFreeSlot(*jumpDestination);
const auto freeSlot = findFreeSlot(*jumpDestination);
const bool hovered = hoveredAddress == sourceLine.region.getStartAddress() ||
hoveredAddress == destinationLine.region.getStartAddress();
bool jumpFound = false;
if (*jumpDestination == destinationLine.region.getStartAddress()) {
drawJumpLine(sourceLine.linePos, destinationLine.linePos, jumpColumnWidth, freeSlot, true, hoveredAddress == sourceLine.region.getStartAddress() || hoveredAddress == destinationLine.region.getStartAddress());
drawJumpLine(sourceLine.linePosition, destinationLine.linePosition, jumpColumnWidth, freeSlot, true, hovered);
jumpFound = true;
} else if (*jumpDestination > lastVisibleLine.region.getStartAddress()) {
drawJumpLine(sourceLine.linePos, lastVisibleLine.linePos, jumpColumnWidth, freeSlot, false, hoveredAddress == sourceLine.region.getStartAddress() || hoveredAddress == destinationLine.region.getStartAddress());
drawJumpLine(sourceLine.linePosition, lastVisibleLine.linePosition, jumpColumnWidth, freeSlot, false, hovered);
jumpFound = true;
} else if (*jumpDestination < firstVisibleLine.region.getStartAddress()) {
drawJumpLine(sourceLine.linePos, firstVisibleLine.linePos, jumpColumnWidth, freeSlot, false, hoveredAddress == sourceLine.region.getStartAddress() || hoveredAddress == destinationLine.region.getStartAddress());
drawJumpLine(sourceLine.linePosition, firstVisibleLine.linePosition, jumpColumnWidth, freeSlot, false, hovered);
jumpFound = true;
}
@ -207,13 +298,13 @@ namespace hex::plugin::builtin {
std::erase_if(occupiedSlots, [&](const auto &entry) {
auto &[slot, destination] = entry;
return sourceLine.region.getStartAddress() == destination;
return sourceLine.extraData.value() == destination;
});
}
}
ImGui::EndTable();
}
}
}
}