Lightemerald/windows-user-space-emulator
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Merge remote-tracking branch 'origin/main' into unicorn-upgrade-2

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momo5502
2025-08-23 10:40:48 +02:00
parent cb32bef085 08f83edde1
commit 549be496c4
135 changed files with 9199 additions and 7011 deletions
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55
src/windows-emulator/windows_emulator.cpp
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@@ -11,6 +11,7 @@
#include "apiset/apiset.hpp"
#include "network/static_socket_factory.hpp"
#include "memory_permission_ext.hpp"
constexpr auto MAX_INSTRUCTIONS_PER_TIME_SLICE = 0x20000;
@@ -51,6 +52,7 @@ namespace
void perform_context_switch_work(windows_emulator& win_emu)
{
auto& threads = win_emu.process.threads;
auto*& active = win_emu.process.active_thread;
for (auto it = threads.begin(); it != threads.end();)
{
@@ -60,6 +62,11 @@ namespace
continue;
}
if (active == &it->second)
{
active = nullptr;
}
const auto [new_it, deleted] = threads.erase(it);
if (!deleted)
{
@@ -253,8 +260,7 @@ namespace
}
};
std::unique_ptr<utils::clock> get_clock(emulator_interfaces& interfaces, const uint64_t& instructions,
const bool use_relative_time)
std::unique_ptr<utils::clock> get_clock(emulator_interfaces& interfaces, const uint64_t& instructions, const bool use_relative_time)
{
if (interfaces.clock)
{
@@ -284,16 +290,15 @@ namespace
}
windows_emulator::windows_emulator(std::unique_ptr<x86_64_emulator> emu, application_settings app_settings,
const emulator_settings& settings, emulator_callbacks callbacks,
emulator_interfaces interfaces)
const emulator_settings& settings, emulator_callbacks callbacks, emulator_interfaces interfaces)
: windows_emulator(std::move(emu), settings, std::move(callbacks), std::move(interfaces))
{
fixup_application_settings(app_settings);
this->application_settings_ = std::move(app_settings);
}
windows_emulator::windows_emulator(std::unique_ptr<x86_64_emulator> emu, const emulator_settings& settings,
emulator_callbacks callbacks, emulator_interfaces interfaces)
windows_emulator::windows_emulator(std::unique_ptr<x86_64_emulator> emu, const emulator_settings& settings, emulator_callbacks callbacks,
emulator_interfaces interfaces)
: emu_(std::move(emu)),
clock_(get_clock(interfaces, this->executed_instructions_, settings.use_relative_time)),
socket_factory_(get_socket_factory(interfaces)),
@@ -346,8 +351,8 @@ void windows_emulator::setup_process(const application_settings& app_settings)
const auto& emu = this->emu();
auto& context = this->process;
this->mod_manager.map_main_modules(app_settings.application, R"(C:\Windows\System32\ntdll.dll)",
R"(C:\Windows\System32\win32u.dll)", this->log);
this->mod_manager.map_main_modules(app_settings.application, R"(C:\Windows\System32\ntdll.dll)", R"(C:\Windows\System32\win32u.dll)",
this->log);
const auto* executable = this->mod_manager.executable;
const auto* ntdll = this->mod_manager.ntdll;
@@ -362,8 +367,7 @@ void windows_emulator::setup_process(const application_settings& app_settings)
this->dispatcher.setup(ntdll->exports, ntdll_data, win32u->exports, win32u_data);
const auto main_thread_id =
context.create_thread(this->memory, this->mod_manager.executable->entry_point, 0, 0, false);
const auto main_thread_id = context.create_thread(this->memory, this->mod_manager.executable->entry_point, 0, 0, false);
switch_to_thread(*this, main_thread_id);
}
@@ -422,8 +426,8 @@ void windows_emulator::on_instruction_execution(const uint64_t address)
this->yield_thread();
}
this->process.previous_ip = this->process.current_ip;
this->process.current_ip = this->emu().read_instruction_pointer();
thread.previous_ip = thread.current_ip;
thread.current_ip = this->emu().read_instruction_pointer();
this->callbacks.on_instruction(address);
}
@@ -436,6 +440,8 @@ void windows_emulator::setup_hooks()
});
this->emu().hook_instruction(x86_hookable_instructions::rdtscp, [&] {
this->callbacks.on_rdtscp();
const auto ticks = this->clock_->timestamp_counter();
this->emu().reg(x86_register::rax, ticks & 0xFFFFFFFF);
this->emu().reg(x86_register::rdx, (ticks >> 32) & 0xFFFFFFFF);
@@ -448,6 +454,8 @@ void windows_emulator::setup_hooks()
});
this->emu().hook_instruction(x86_hookable_instructions::rdtsc, [&] {
this->callbacks.on_rdtsc();
const auto ticks = this->clock_->timestamp_counter();
this->emu().reg(x86_register::rax, ticks & 0xFFFFFFFF);
this->emu().reg(x86_register::rdx, (ticks >> 32) & 0xFFFFFFFF);
@@ -502,12 +510,23 @@ void windows_emulator::setup_hooks()
}
});
this->emu().hook_memory_violation([&](const uint64_t address, const size_t size, const memory_operation operation,
const memory_violation_type type) {
this->callbacks.on_memory_violate(address, size, operation, type);
dispatch_access_violation(this->emu(), this->process, address, operation);
return memory_violation_continuation::resume;
});
this->emu().hook_memory_violation(
[&](const uint64_t address, const size_t size, const memory_operation operation, const memory_violation_type type) {
auto region = this->memory.get_region_info(address);
if (region.permissions.is_guarded())
{
// Unset the GUARD_PAGE flag and dispatch a STATUS_GUARD_PAGE_VIOLATION
this->memory.protect_memory(region.allocation_base, region.length, region.permissions & ~memory_permission_ext::guard);
dispatch_guard_page_violation(this->emu(), this->process, address, operation);
}
else
{
this->callbacks.on_memory_violate(address, size, operation, type);
dispatch_access_violation(this->emu(), this->process, address, operation);
}
return memory_violation_continuation::resume;
});
this->emu().hook_memory_execution([&](const uint64_t address) {
this->on_instruction_execution(address); //