Lightemerald/windows-user-space-emulator
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Comprehensive WOW64 subsystem implementation

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This commit is contained in:
brian
2025-10-13 19:53:14 +08:00
parent 9453123db0
commit 65eecf1cfd
51 changed files with 3772 additions and 283 deletions
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21
src/analyzer/analysis.cpp
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@@ -40,7 +40,10 @@ namespace
return {};
}
const auto instructions = d.disassemble(instruction_bytes, 1);
uint16_t reg_cs = 0;
auto& emu_ref = const_cast<emulator&>(emu);
emu_ref.read_raw_register(static_cast<int>(x86_register::cs), &reg_cs, sizeof(reg_cs));
const auto instructions = d.disassemble(emu_ref, reg_cs, instruction_bytes, 1);
if (instructions.empty())
{
return {};
@@ -268,26 +271,32 @@ namespace
return false;
}
const auto instructions = d.disassemble(instruction_bytes, 1);
uint16_t reg_cs = 0;
auto& emu_ref = const_cast<emulator&>(emu);
emu_ref.read_raw_register(static_cast<int>(x86_register::cs), &reg_cs, sizeof(reg_cs));
const auto instructions = d.disassemble(emu_ref, reg_cs, instruction_bytes, 1);
if (instructions.empty())
{
return false;
}
return cs_insn_group(d.get_handle(), instructions.data(), CS_GRP_RET);
const auto handle = d.resolve_handle(emu_ref, reg_cs);
return cs_insn_group(handle, instructions.data(), CS_GRP_RET);
}
void record_instruction(analysis_context& c, const uint64_t address)
{
auto& emu = c.win_emu->emu();
std::array<uint8_t, MAX_INSTRUCTION_BYTES> instruction_bytes{};
const auto result = c.win_emu->emu().try_read_memory(address, instruction_bytes.data(), instruction_bytes.size());
const auto result = emu.try_read_memory(address, instruction_bytes.data(), instruction_bytes.size());
if (!result)
{
return;
}
const auto reg_cs = emu.reg<uint16_t>(x86_register::cs);
disassembler disasm{};
const auto instructions = disasm.disassemble(instruction_bytes, 1);
const auto instructions = disasm.disassemble(emu, reg_cs, instruction_bytes, 1);
if (instructions.empty())
{
return;
@@ -308,8 +317,10 @@ namespace
debugger::handle_events(ec);
}
#endif
const auto& current_thread = c.win_emu->current_thread();
const auto previous_ip = current_thread.previous_ip;
[[maybe_unused]] const auto current_ip = current_thread.current_ip;
const auto is_main_exe = win_emu.mod_manager.executable->contains(address);
const auto is_previous_main_exe = win_emu.mod_manager.executable->contains(previous_ip);