Lightemerald/windows-user-space-emulator
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make minidump loader fully standalone

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This commit is contained in:
redthing1
2025-06-12 15:13:45 -07:00
parent 01d2656189
commit afd80aa9af
5 changed files with 45 additions and 50 deletions
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3
src/analyzer/main.cpp
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@@ -3,6 +3,7 @@
#include <windows_emulator.hpp>
#include <backend_selection.hpp>
#include <win_x64_gdb_stub_handler.hpp>
#include <minidump_loader.hpp>
#include "object_watching.hpp"
#include "snapshot.hpp"
@@ -262,7 +263,7 @@ namespace
{
// load minidump
auto win_emu = create_empty_emulator(options);
win_emu->load_minidump(options.minidump_path);
minidump_loader::load_minidump_into_emulator(*win_emu, options.minidump_path);
return win_emu;
}

78
src/windows-emulator/minidump_loader.cpp
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@@ -9,7 +9,7 @@
#include <minidump/minidump.hpp>
namespace
namespace minidump_loader
{
struct dump_statistics
{
@@ -679,49 +679,49 @@ namespace
exception_info->exception_record.exception_address,
exception_info->exception_record.exception_code, exception_info->thread_id);
}
} // namespace
void load_minidump_into_emulator(windows_emulator& win_emu, std::filesystem::path minidump_path)
{
win_emu.log.info("Starting minidump loading process\n");
win_emu.log.info("Minidump file: %s\n", minidump_path.string().c_str());
try
void load_minidump_into_emulator(windows_emulator& win_emu, std::filesystem::path minidump_path)
{
std::unique_ptr<minidump::minidump_file> dump_file;
std::unique_ptr<minidump::minidump_reader> dump_reader;
win_emu.log.info("Starting minidump loading process\n");
win_emu.log.info("Minidump file: %s\n", minidump_path.string().c_str());
if (!parse_minidump_file(win_emu, minidump_path, dump_file, dump_reader))
try
{
throw std::runtime_error("Failed to parse minidump file");
}
std::unique_ptr<minidump::minidump_file> dump_file;
std::unique_ptr<minidump::minidump_reader> dump_reader;
if (!validate_dump_compatibility(win_emu, dump_file.get()))
if (!parse_minidump_file(win_emu, minidump_path, dump_file, dump_reader))
{
throw std::runtime_error("Failed to parse minidump file");
}
if (!validate_dump_compatibility(win_emu, dump_file.get()))
{
throw std::runtime_error("Minidump compatibility validation failed");
}
setup_kusd_from_dump(win_emu, dump_file.get());
dump_statistics stats;
log_dump_summary(win_emu, dump_file.get(), stats);
process_streams(win_emu, dump_file.get());
// Existing phases
reconstruct_memory_state(win_emu, dump_file.get(), dump_reader.get());
reconstruct_module_state(win_emu, dump_file.get());
// Process state reconstruction phases
setup_peb_from_teb(win_emu, dump_file.get());
reconstruct_threads(win_emu, dump_file.get(), minidump_path);
reconstruct_handle_table(win_emu, dump_file.get());
setup_exception_context(win_emu, dump_file.get());
win_emu.log.info("Process state reconstruction completed\n");
}
catch (const std::exception& e)
{
throw std::runtime_error("Minidump compatibility validation failed");
win_emu.log.error("Minidump loading failed: %s\n", e.what());
throw;
}
setup_kusd_from_dump(win_emu, dump_file.get());
dump_statistics stats;
log_dump_summary(win_emu, dump_file.get(), stats);
process_streams(win_emu, dump_file.get());
// Existing phases
reconstruct_memory_state(win_emu, dump_file.get(), dump_reader.get());
reconstruct_module_state(win_emu, dump_file.get());
// Process state reconstruction phases
setup_peb_from_teb(win_emu, dump_file.get());
reconstruct_threads(win_emu, dump_file.get(), minidump_path);
reconstruct_handle_table(win_emu, dump_file.get());
setup_exception_context(win_emu, dump_file.get());
win_emu.log.info("Process state reconstruction completed\n");
}
catch (const std::exception& e)
{
win_emu.log.error("Minidump loading failed: %s\n", e.what());
throw;
}
}
} // namespace minidump_loader

5
src/windows-emulator/minidump_loader.hpp
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@@ -3,4 +3,7 @@
class windows_emulator;
void load_minidump_into_emulator(windows_emulator& win_emu, std::filesystem::path minidump_path);
namespace minidump_loader
{
void load_minidump_into_emulator(windows_emulator& win_emu, std::filesystem::path minidump_path);
}

7
src/windows-emulator/windows_emulator.cpp
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@@ -12,8 +12,6 @@
#include "network/static_socket_factory.hpp"
#include "minidump_loader.hpp"
constexpr auto MAX_INSTRUCTIONS_PER_TIME_SLICE = 0x20000;
namespace
@@ -664,8 +662,3 @@ void windows_emulator::restore_snapshot()
this->process.deserialize(buffer);
// this->process = *this->process_snapshot_;
}
void windows_emulator::load_minidump(const std::filesystem::path& minidump_path)
{
load_minidump_into_emulator(*this, minidump_path);
}

2
src/windows-emulator/windows_emulator.hpp
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@@ -164,8 +164,6 @@ class windows_emulator
void save_snapshot();
void restore_snapshot();
void load_minidump(const std::filesystem::path& minidump_path);
uint16_t get_host_port(const uint16_t emulator_port) const
{
const auto entry = this->port_mappings_.find(emulator_port);