_TEXT SEGMENT EXTERNDEF g_NtUserDefSetText_syscall:dword EXTERNDEF g_NtUserMessageCall_syscall:dword PUBLIC NtUserMessageCall NtUserMessageCall PROC mov r10, rcx mov eax, g_NtUserMessageCall_syscall syscall ret NtUserMessageCall ENDP PUBLIC NtUserDefSetText NtUserDefSetText PROC mov r10, rcx mov eax, g_NtUserDefSetText_syscall syscall ret NtUserDefSetText ENDP _TEXT ENDS END