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

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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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44
src/windows-emulator/process_context.hpp
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@@ -16,14 +16,21 @@
#include "apiset/apiset.hpp"
#define PEB_SEGMENT_SIZE (20 << 20) // 20 MB
#define GS_SEGMENT_SIZE (1 << 20) // 1 MB
#define PEB_SEGMENT_SIZE (20 << 20) // 20 MB
#define GS_SEGMENT_SIZE (1 << 20) // 1 MB
#define STACK_SIZE 0x40000ULL
#define STACK_SIZE 0x40000ULL // 256KB
#define GDT_ADDR 0x30000
#define GDT_LIMIT 0x1000
#define GDT_ENTRY_SIZE 0x8
#define GDT_ADDR 0x35000
#define GDT_LIMIT 0x1000
#define GDT_ENTRY_SIZE 0x8
// TODO: Get rid of that
#define WOW64_PEB32_PROCESS_PARA_BASE 0x30000
#define WOW64_PEB32_PROCESS_PARA_SIZE 0x5000
#define WOW64_NATIVE_STACK_BASE 0x98000
#define WOW64_NATIVE_STACK_SIZE 0x8000
#define WOW64_32BIT_STACK_SIZE (1 << 20)
struct emulator_settings;
struct application_settings;
@@ -59,14 +66,15 @@ struct process_context
process_context(x86_64_emulator& emu, memory_manager& memory, utils::clock& clock, callbacks& cb)
: callbacks_(&cb),
base_allocator(emu),
peb(emu),
process_params(emu),
peb64(emu),
process_params64(emu),
kusd(memory, clock)
{
}
void setup(x86_64_emulator& emu, memory_manager& memory, registry_manager& registry, const application_settings& app_settings,
const mapped_module& executable, const mapped_module& ntdll, const apiset::container& apiset_container);
const mapped_module& executable, const mapped_module& ntdll, const apiset::container& apiset_container,
const mapped_module* ntdll32 = nullptr);
handle create_thread(memory_manager& memory, uint64_t start_address, uint64_t argument, uint64_t stack_size, bool suspended);
@@ -79,6 +87,9 @@ struct process_context
void serialize(utils::buffer_serializer& buffer) const;
void deserialize(utils::buffer_deserializer& buffer);
// WOW64 support flag - set during process setup based on executable architecture
bool is_wow64_process{false};
generic_handle_store* get_handle_store(handle handle);
callbacks* callbacks_{};
@@ -92,8 +103,8 @@ struct process_context
emulator_allocator base_allocator;
emulator_object<PEB64> peb;
emulator_object<RTL_USER_PROCESS_PARAMETERS64> process_params;
emulator_object<PEB64> peb64;
emulator_object<RTL_USER_PROCESS_PARAMETERS64> process_params64;
kusd_mmio kusd;
uint64_t ntdll_image_base{};
@@ -102,6 +113,11 @@ struct process_context
uint64_t ki_user_apc_dispatcher{};
uint64_t ki_user_exception_dispatcher{};
// For WOW64 processes
std::optional<emulator_object<PEB32>> peb32;
std::optional<emulator_object<RTL_USER_PROCESS_PARAMETERS32>> process_params32;
std::optional<uint64_t> rtl_user_thread_start32{};
handle_store<handle_types::event, event> events{};
handle_store<handle_types::file, file> files{};
handle_store<handle_types::section, section> sections{};
@@ -119,4 +135,10 @@ struct process_context
uint32_t spawned_thread_count{0};
handle_store<handle_types::thread, emulator_thread> threads{};
emulator_thread* active_thread{nullptr};
// Extended parameters from last NtMapViewOfSectionEx call
// These can be used by other syscalls like NtAllocateVirtualMemoryEx
uint64_t last_extended_params_numa_node{0};
uint32_t last_extended_params_attributes{0};
uint16_t last_extended_params_image_machine{IMAGE_FILE_MACHINE_UNKNOWN};
};