Lightemerald/windows-user-space-emulator
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momo5502
2025-08-18 19:00:31 +02:00
parent 5a3d05c64c
commit c71c204583
5 changed files with 81 additions and 3 deletions
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32
src/analyzer/analysis.cpp
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@@ -277,6 +277,25 @@ namespace
return cs_insn_group(disasm.get_handle(), instructions.data(), CS_GRP_RET);
}
void record_instruction(analysis_context& c, const uint64_t address)
{
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());
if (!result)
{
return;
}
disassembler disasm{};
const auto instructions = disasm.disassemble(instruction_bytes, 1);
if (instructions.empty())
{
return;
}
++c.instructions[instructions[0].mnemonic];
}
void handle_instruction(analysis_context& c, const uint64_t address)
{
auto& win_emu = *c.win_emu;
@@ -312,18 +331,25 @@ namespace
return win_emu.mod_manager.find_by_address(previous_ip); //
});
const auto is_current_binary_interesting = utils::make_lazy([&] {
return is_main_exe || (binary && c.settings->modules.contains(binary->name)); //
});
const auto is_in_interesting_module = [&] {
if (c.settings->modules.empty())
{
return false;
}
return (binary && c.settings->modules.contains(binary->name)) ||
(previous_binary && c.settings->modules.contains(previous_binary->name));
return is_current_binary_interesting || (previous_binary && c.settings->modules.contains(previous_binary->name));
};
if (c.settings->instruction_summary && (is_current_binary_interesting || !binary))
{
record_instruction(c, address);
}
const auto is_interesting_call = is_previous_main_exe //
|| is_main_exe //
|| !previous_binary //
|| is_in_interesting_module();