Lightemerald/windows-user-space-emulator
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Apply thread attributes

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momo5502
2024-10-17 19:02:14 +02:00
parent 7cb1abb529
commit 933bfcaaf3
3 changed files with 113 additions and 51 deletions
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61
src/windows-emulator/syscalls.cpp
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@@ -161,6 +161,20 @@ namespace
};
}
template <typename T>
void write_attribute(emulator& emu, const PS_ATTRIBUTE& attribute, const T& value)
{
if (attribute.ReturnLength)
{
emulator_object<SIZE_T>{emu, attribute.ReturnLength}.write(sizeof(T));
}
if (attribute.Size >= sizeof(T))
{
emulator_object<T>{emu, attribute.Value}.write(value);
}
}
NTSTATUS handle_NtQueryPerformanceCounter(const syscall_context&,
const emulator_object<LARGE_INTEGER> performance_counter,
const emulator_object<LARGE_INTEGER> performance_frequency)
@@ -866,6 +880,7 @@ namespace
{
if (info_class == SystemFlushInformation
|| info_class == SystemFeatureConfigurationInformation
|| info_class == SystemSupportedProcessorArchitectures2
|| info_class == SystemFeatureConfigurationSectionInformation)
{
//printf("Unsupported, but allowed system info class: %X\n", info_class);
@@ -1195,6 +1210,7 @@ namespace
|| info_class == ProcessTlsInformation
|| info_class == ProcessConsoleHostProcess
|| info_class == ProcessFaultInformation
|| info_class == ProcessDefaultHardErrorMode
|| info_class == ProcessRaiseUMExceptionOnInvalidHandleClose)
{
return STATUS_SUCCESS;
@@ -1908,7 +1924,8 @@ namespace
const emulator_object<OBJECT_ATTRIBUTES> object_attributes,
const uint64_t process_handle, const uint64_t start_routine,
const uint64_t argument, const ULONG create_flags, const SIZE_T zero_bits,
const SIZE_T stack_size, const SIZE_T maximum_stack_size)
const SIZE_T stack_size, const SIZE_T maximum_stack_size,
const emulator_object<PS_ATTRIBUTE_LIST> attribute_list)
{
if (process_handle != ~0ULL)
{
@@ -1917,8 +1934,49 @@ namespace
const auto h = c.proc.create_thread(c.emu, start_routine, argument, stack_size);
thread_handle.write(h.bits);
if (!attribute_list)
{
return STATUS_SUCCESS;
}
const auto* thread = c.proc.threads.get(h);
const emulator_object<PS_ATTRIBUTE> attributes{
c.emu, attribute_list.value() + offsetof(PS_ATTRIBUTE_LIST, Attributes)
};
const auto total_length = attribute_list.read().TotalLength;
constexpr auto entry_size = sizeof(PS_ATTRIBUTE);
constexpr auto header_size = sizeof(PS_ATTRIBUTE_LIST) - entry_size;
const auto attribute_count = (total_length - header_size) / entry_size;
for (size_t i = 0; i < attribute_count; ++i)
{
attributes.access([&](const PS_ATTRIBUTE& attribute)
{
const auto type = attribute.Attribute & ~PS_ATTRIBUTE_THREAD;
if (type == PsAttributeClientId)
{
const auto client_id = thread->teb->read().ClientId;
write_attribute(c.emu, attribute, client_id);
}
else if (type == PsAttributeTebAddress)
{
write_attribute(c.emu, attribute, thread->teb->ptr());
}
}, i);
}
return STATUS_SUCCESS;
}
NTSTATUS handle_NtQueryDebugFilterState()
{
return FALSE;
}
}
void syscall_dispatcher::setup(const exported_symbols& ntdll_exports, const exported_symbols& win32u_exports)
@@ -2018,6 +2076,7 @@ void syscall_dispatcher::add_handlers()
add_handler(NtSetSystemInformation);
add_handler(NtQueryInformationFile);
add_handler(NtCreateThreadEx);
add_handler(NtQueryDebugFilterState);
#undef add_handler