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Code Releases Wiki Activity

patterns: Added basic disassembler visualizer

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This commit is contained in:
WerWolv 2023-01-18 17:17:34 +01:00
parent ef12798fe2
commit def40c908e
3 changed files with 98 additions and 22 deletions
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1
plugins/builtin/include/ui/pattern_drawer.hpp
View File

@ -62,5 +62,6 @@ namespace hex::plugin::builtin::ui {
const pl::ptrn::Pattern *m_editingPattern = nullptr;
TreeStyle m_treeStyle = TreeStyle::Default;
pl::ptrn::Pattern *m_currVisualizedPattern = nullptr;
};
}

3
plugins/builtin/romfs/lang/en_US.json
View File

@ -13,6 +13,7 @@
"hex.builtin.common.big": "Big",
"hex.builtin.common.big_endian": "Big Endian",
"hex.builtin.common.browse": "Browse...",
"hex.builtin.common.bytes": "Bytes",
"hex.builtin.common.cancel": "Cancel",
"hex.builtin.common.choose_file": "Choose file",
"hex.builtin.common.close": "Close",
@ -31,6 +32,7 @@
"hex.builtin.common.filter": "Filter",
"hex.builtin.common.hexadecimal": "Hexadecimal",
"hex.builtin.common.info": "Information",
"hex.builtin.common.instruction": "Instruction",
"hex.builtin.common.link": "Link",
"hex.builtin.common.little": "Little",
"hex.builtin.common.little_endian": "Little Endian",
@ -310,6 +312,7 @@
"hex.builtin.pattern_drawer.type": "Type",
"hex.builtin.pattern_drawer.value": "Value",
"hex.builtin.pattern_drawer.var_name": "Name",
"hex.builtin.pattern_drawer.unknown_visualizer": "Unknown visualizer",
"hex.builtin.popup.close_provider.desc": "You have unsaved changes made to this Provider.\nAre you sure you want to close it?",
"hex.builtin.popup.close_provider.title": "Close Provider?",
"hex.builtin.popup.error.create": "Failed to create new file!",

116
plugins/builtin/source/ui/pattern_drawer.cpp
View File

@ -24,6 +24,8 @@
#include <hex/api/localization.hpp>
#include <content/helpers/math_evaluator.hpp>
#include <hex/helpers/disassembler.hpp>
#include <imgui.h>
#include <implot.h>
#include <hex/ui/imgui_imhex_extensions.h>
@ -111,7 +113,7 @@ namespace hex::plugin::builtin::ui {
}
}
void drawVisualizer(const std::vector<pl::core::Token::Literal> &arguments, pl::ptrn::Pattern &pattern, pl::ptrn::Iteratable &iteratable) {
void drawVisualizer(const std::vector<pl::core::Token::Literal> &arguments, pl::ptrn::Pattern &pattern, pl::ptrn::Iteratable &iteratable, bool reset) {
auto visualizer = pl::core::Token::literalToString(arguments.front(), true);
if (visualizer == "line_plot") {
@ -127,17 +129,19 @@ namespace hex::plugin::builtin::ui {
ImPlot::EndPlot();
}
} else if (visualizer == "image") {
std::vector<u8> data;
data.resize(pattern.getSize());
pattern.getEvaluator()->readData(pattern.getOffset(), data.data(), data.size(), pattern.getSection());
static ImGui::Texture texture;
texture = ImGui::Texture(data.data(), data.size());
if (reset) {
std::vector<u8> data;
data.resize(pattern.getSize());
pattern.getEvaluator()->readData(pattern.getOffset(), data.data(), data.size(), pattern.getSection());
texture = ImGui::Texture(data.data(), data.size());
}
if (texture.isValid())
ImGui::Image(texture, texture.getSize());
} else if (visualizer == "bitmap") {
if (arguments.size() == 3) {
} else if (visualizer == "bitmap" && arguments.size() == 3) {
static ImGui::Texture texture;
if (reset) {
auto width = pl::core::Token::literalToUnsigned(arguments[1]);
auto height = pl::core::Token::literalToUnsigned(arguments[2]);
@ -145,12 +149,68 @@ namespace hex::plugin::builtin::ui {
data.resize(width * height * 4);
pattern.getEvaluator()->readData(pattern.getOffset(), data.data(), data.size(), pattern.getSection());
static ImGui::Texture texture;
texture = ImGui::Texture(data.data(), data.size(), width, height);
if (texture.isValid())
ImGui::Image(texture, texture.getSize());
}
if (texture.isValid())
ImGui::Image(texture, texture.getSize());
} else if (visualizer == "disassembler" && arguments.size() == 4) {
struct Disassembly {
u64 address;
std::vector<u8> bytes;
std::string instruction;
};
static std::vector<Disassembly> disassembly;
if (reset) {
auto baseAddress = pl::core::Token::literalToUnsigned(arguments[1]);
auto architecture = pl::core::Token::literalToUnsigned(arguments[2]);
auto mode = pl::core::Token::literalToUnsigned(arguments[3]);
disassembly.clear();
csh capstone;
if (cs_open(static_cast<cs_arch>(architecture), static_cast<cs_mode>(mode), &capstone) == CS_ERR_OK) {
cs_option(capstone, CS_OPT_SKIPDATA, CS_OPT_ON);
std::vector<u8> data;
data.resize(pattern.getSize());
pattern.getEvaluator()->readData(pattern.getOffset(), data.data(), data.size(), pattern.getSection());
cs_insn *instructions = nullptr;
size_t instructionCount = cs_disasm(capstone, data.data(), data.size(), baseAddress, 0, &instructions);
for (size_t i = 0; i < instructionCount; i++) {
disassembly.push_back({ instructions[i].address, { instructions[i].bytes, instructions[i].bytes + instructions[i].size }, hex::format("{} {}", instructions[i].mnemonic, instructions[i].op_str) });
}
cs_free(instructions, instructionCount);
cs_close(&capstone);
}
}
if (ImGui::BeginTable("##disassembly", 3, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_ScrollY, scaled(ImVec2(0, 300)))) {
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("hex.builtin.common.address"_lang);
ImGui::TableSetupColumn("hex.builtin.common.bytes"_lang);
ImGui::TableSetupColumn("hex.builtin.common.instruction"_lang);
ImGui::TableHeadersRow();
for (auto &entry : disassembly) {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::TextFormatted("0x{0:08X}", entry.address);
ImGui::TableNextColumn();
std::string bytes;
for (auto byte : entry.bytes)
bytes += hex::format("{0:02X} ", byte);
ImGui::TextUnformatted(bytes.c_str());
ImGui::TableNextColumn();
ImGui::TextUnformatted(entry.instruction.c_str());
}
ImGui::EndTable();
}
} else {
ImGui::TextUnformatted("hex.builtin.pattern_drawer.unknown_visualizer"_lang);
}
}
@ -633,15 +693,6 @@ namespace hex::plugin::builtin::ui {
ImGui::TableNextColumn();
makeSelectable(pattern);
drawCommentTooltip(pattern);
if (const auto &arguments = pattern.getAttributeArguments("hex::visualize"); !arguments.empty()) {
if (ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem)) {
ImGui::BeginTooltip();
drawVisualizer(arguments, pattern, iteratable);
ImGui::EndTooltip();
}
}
if (pattern.isSealed())
drawColorColumn(pattern);
@ -659,7 +710,28 @@ namespace hex::plugin::builtin::ui {
ImGui::TextUnformatted("]");
ImGui::TableNextColumn();
ImGui::TextFormatted("{}", pattern.getFormattedValue());
if (const auto &arguments = pattern.getAttributeArguments("hex::visualize"); !arguments.empty()) {
static bool shouldReset = false;
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0, 0));
if (ImGui::Button(pattern.getFormattedValue().c_str(), ImVec2(-1, ImGui::GetTextLineHeight()))) {
this->m_currVisualizedPattern = &pattern;
shouldReset = true;
ImGui::OpenPopup("Visualizer");
}
ImGui::PopStyleVar();
if (ImGui::BeginPopup("Visualizer")) {
if (this->m_currVisualizedPattern == &pattern) {
drawVisualizer(arguments, pattern, iteratable, shouldReset);
shouldReset = false;
}
ImGui::EndPopup();
}
} else {
ImGui::TextFormatted("{}", pattern.getFormattedValue());
}
}
if (open) {