39     let syscall_num = regs.rax as usize;  in syscall_handler()
41         regs.r8 as usize,  in syscall_handler()
42         regs.r9 as usize,  in syscall_handler()
43         regs.r10 as usize,  in syscall_handler()
44         regs.r11 as usize,  in syscall_handler()
45         regs.r12 as usize,  in syscall_handler()
46         regs.r13 as usize,  in syscall_handler()
47         regs.r14 as usize,  in syscall_handler()
48         regs.r15 as usize,  in syscall_handler()
132 ) -> usize {  in rs_do_execve()  argument
134         return SystemError::EINVAL.to_posix_errno() as usize;  in rs_do_execve()
164 pub extern "C" fn rs_exec_init_process(regs: &mut pt_regs) -> usize {  in rs_exec_init_process()  argument
170     return r.map(|_| 0).unwrap_or_else(|e| e.to_posix_errno() as usize);  in rs_exec_init_process()