Lightemerald/windows-user-space-emulator
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Finish emulating hello world

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momo5502
2024-09-01 20:29:39 +02:00
parent dba4970822
commit 679fecda4e
2 changed files with 41 additions and 3 deletions
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2
src/windows_emulator/main.cpp
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@@ -24,7 +24,7 @@
#define STACK_ADDRESS (0x80000000000 - STACK_SIZE)
#define KUSD_ADDRESS 0x7ffe0000
bool use_gdb = true;
bool use_gdb = false;
struct breakpoint_key
{

42
src/windows_emulator/syscalls.cpp
View File

@@ -1129,9 +1129,46 @@ namespace
return STATUS_SUCCESS;
}
NTSTATUS handle_NtTerminateProcess(const syscall_context&, uint64_t /*process_handle*/, NTSTATUS /*exit_status*/)
NTSTATUS handle_NtTerminateProcess(const syscall_context& c, const uint64_t process_handle,
NTSTATUS /*exit_status*/)
{
return STATUS_SUCCESS;
if (process_handle == 0)
{
return STATUS_SUCCESS;
}
if (process_handle == ~0ULL)
{
c.emu.stop();
return STATUS_SUCCESS;
}
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtWriteFile(const syscall_context& c, const uint64_t file_handle, const uint64_t /*event*/,
const uint64_t /*apc_routine*/,
const uint64_t /*apc_context*/,
const emulator_object<IO_STATUS_BLOCK> /*io_status_block*/,
uint64_t buffer, const ULONG length,
const emulator_object<LARGE_INTEGER> /*byte_offset*/,
const emulator_object<ULONG> /*key*/)
{
if (file_handle == STDOUT_HANDLE)
{
std::vector<uint8_t> temp_buffer{};
temp_buffer.resize(length);
c.emu.read_memory(buffer, temp_buffer.data(), temp_buffer.size());
(void)fwrite(temp_buffer.data(), 1, temp_buffer.size(), stdout);
(void)fflush(stdout);
return STATUS_SUCCESS;
}
puts("NtCreateSection not supported");
c.emu.stop();
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtCreateFile(const syscall_context& c, const emulator_object<uint64_t> file_handle,
@@ -1212,6 +1249,7 @@ syscall_dispatcher::syscall_dispatcher(const exported_symbols& ntdll_exports)
add_handler(NtTestAlert);
add_handler(NtContinue);
add_handler(NtTerminateProcess);
add_handler(NtWriteFile);
#undef add_handler
}