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Add 3 new syscall handlers

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This commit is contained in:
Igor Pissolati
2025-04-19 16:33:34 -03:00
parent 5d19803020
commit c702bedaee
3 changed files with 40 additions and 2 deletions
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15
src/windows-emulator/syscalls.cpp
View File

@@ -109,6 +109,8 @@ namespace syscalls
emulator_object<IO_STATUS_BLOCK<EmulatorTraits<Emu64>>> io_status_block,
ULONG fs_control_code, uint64_t input_buffer, ULONG input_buffer_length,
uint64_t output_buffer, ULONG output_buffer_length);
NTSTATUS handle_NtFlushBuffersFile(const syscall_context& c, handle file_handle,
emulator_object<IO_STATUS_BLOCK<EmulatorTraits<Emu64>>> /*io_status_block*/);
// syscalls/locale.cpp:
NTSTATUS handle_NtInitializeNlsFiles(const syscall_context& c, emulator_object<uint64_t> base_address,
@@ -269,6 +271,9 @@ namespace syscalls
NTSTATUS handle_NtQueryInformationThread(const syscall_context& c, handle thread_handle, uint32_t info_class,
uint64_t thread_information, uint32_t thread_information_length,
emulator_object<uint32_t> return_length);
NTSTATUS handle_NtOpenThread(const syscall_context&, handle thread_handle, ACCESS_MASK /*desired_access*/,
emulator_object<OBJECT_ATTRIBUTES<EmulatorTraits<Emu64>>> /*object_attributes*/,
emulator_pointer /*client_id*/);
NTSTATUS handle_NtOpenThreadToken(const syscall_context&, handle thread_handle, ACCESS_MASK /*desired_access*/,
BOOLEAN /*open_as_self*/, emulator_object<handle> token_handle);
NTSTATUS handle_NtOpenThreadTokenEx(const syscall_context& c, handle thread_handle, ACCESS_MASK desired_access,
@@ -643,6 +648,11 @@ namespace syscalls
{
return 0;
}
NTSTATUS handle_NtUserGetProcessWindowStation()
{
return NULL;
}
}
void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& handler_mapping)
@@ -663,6 +673,7 @@ void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& ha
add_handler(NtSetInformationVirtualMemory);
add_handler(NtFreeVirtualMemory);
add_handler(NtQueryVirtualMemory);
add_handler(NtOpenThread);
add_handler(NtOpenThreadToken);
add_handler(NtOpenThreadTokenEx);
add_handler(NtQueryPerformanceCounter);
@@ -788,6 +799,8 @@ void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& ha
add_handler(NtCreateNamedPipeFile);
add_handler(NtFsControlFile);
add_handler(NtQueryFullAttributesFile);
add_handler(NtFlushBuffersFile);
add_handler(NtUserGetProcessWindowStation);
#undef add_handler
}
}

20
src/windows-emulator/syscalls/file.cpp
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@@ -846,4 +846,22 @@ namespace syscalls
return STATUS_NOT_SUPPORTED;
}
}
NTSTATUS handle_NtFlushBuffersFile(const syscall_context& c, const handle file_handle,
const emulator_object<IO_STATUS_BLOCK<EmulatorTraits<Emu64>>> /*io_status_block*/)
{
if (file_handle == STDOUT_HANDLE)
{
return STATUS_SUCCESS;
}
const auto* f = c.proc.files.get(file_handle);
if (!f)
{
return STATUS_INVALID_HANDLE;
}
(void)fflush(f->handle);
return STATUS_SUCCESS;
}
}

7
src/windows-emulator/syscalls/thread.cpp
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@@ -239,6 +239,13 @@ namespace syscalls
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtOpenThread(const syscall_context&, handle /*thread_handle*/, ACCESS_MASK /*desired_access*/,
emulator_object<OBJECT_ATTRIBUTES<EmulatorTraits<Emu64>>> /*object_attributes*/,
emulator_pointer /*client_id*/)
{
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtOpenThreadToken(const syscall_context&, const handle thread_handle,
const ACCESS_MASK /*desired_access*/, const BOOLEAN /*open_as_self*/,
const emulator_object<handle> token_handle)