SWI	$0
	MOVW	R0, R1	// arg 2 tid
	MOVW	R4, R0	// arg 1 pid
	MOVW	sig+0(FP), R2	// arg 3
	MOVW	$SYS_tgkill, R7
	SWI	$0
	RET

TEXT	runtime·raiseproc(SB),NOSPLIT|NOFRAME,$0
	MOVW	$SYS_getpid, R7
	SWI	$0
	// arg 1 tid already in R0 from getpid
	MOVW	sig+0(FP), R1	// arg 2 - signal
	MOVW	$SYS_kill, R7
	SWI	$0
	RET

TEXT ·getpid(SB),NOSPLIT,$0-4
	MOVW	$SYS_getpid, R7
	SWI	$0

#define CLOCK_MONOTONIC		4
#define AMD64_SET_FSBASE	129

#define SYS_exit		1
#define SYS_read		3
#define SYS_write		4
#define SYS_open		5
#define SYS_close		6
#define SYS_getpid		20
#define SYS_kill		37
#define SYS_sigaltstack		53
#define SYS_munmap		73
#define SYS_madvise		75
#define SYS_setitimer		83
#define SYS_fcntl		92
#define SYS_sysarch		165
#define SYS___sysctl		202
#define SYS_clock_gettime	232

pkg syscall (openbsd-386), const SYS_GETRUSAGE = 117
pkg syscall (openbsd-386), const SYS_GETTIMEOFDAY = 116
pkg syscall (openbsd-386), const SYS_KEVENT = 270
pkg syscall (openbsd-386), const SYS_KILL = 37
pkg syscall (openbsd-386), const SYS_LSTAT = 293
pkg syscall (openbsd-386), const SYS_NANOSLEEP = 240
pkg syscall (openbsd-386), const SYS_SELECT = 93
pkg syscall (openbsd-386), const SYS_SETITIMER = 83

		// duplicate signal in rare cases, but it won't matter when
		// using SIGKILL.
		r1, _, _ = RawSyscall(SYS_GETPPID, 0, 0, 0)
		if r1 != ppid {
			upid, _, _ = RawSyscall(SYS_GETPID, 0, 0, 0)
			_, _, err1 = RawSyscall(SYS_KILL, upid, uintptr(sys.Pdeathsig), 0)
			if err1 != 0 {
				goto childerror
			}
		}
	}

	// Pass 1: look for fd[i] < i and move those up above len(fd)
	// so that pass 2 won't stomp on an fd it needs later.

#define SYS_clone		56
#define SYS_exit		60
#define SYS_kill		62
#define SYS_sigaltstack 	131
#define SYS_arch_prctl		158
#define SYS_gettid		186
#define SYS_futex		202
#define SYS_sched_getaffinity	204
#define SYS_timer_create	222
#define SYS_timer_settime	223
#define SYS_timer_delete	226
#define SYS_clock_gettime	228
#define SYS_exit_group		231
#define SYS_tgkill		234
#define SYS_openat		257
#define SYS_faccessat		269

	MOVW	R3, R14
	SYSCALL	$SYS_gettid
	MOVW	R3, R4	// arg 2 tid
	MOVW	R14, R3	// arg 1 pid
	MOVW	sig+0(FP), R5	// arg 3
	SYSCALL	$SYS_tgkill
	RET

TEXT runtime·raiseproc(SB),NOSPLIT|NOFRAME,$0
	SYSCALL	$SYS_getpid
	MOVW	R3, R3	// arg 1 pid
	MOVW	sig+0(FP), R4	// arg 2
	SYSCALL	$SYS_kill
	RET

TEXT ·getpid(SB),NOSPLIT|NOFRAME,$0-8
	SYSCALL $SYS_getpid
	MOVD	R3, ret+0(FP)
	RET

	MOVL	$SYS_gettid, AX
	INVOKE_SYSCALL
	MOVL	AX, CX	// arg 2 tid
	MOVL	sig+0(FP), DX	// arg 3 signal
	MOVL	$SYS_tgkill, AX
	INVOKE_SYSCALL
	RET

TEXT runtime·raiseproc(SB),NOSPLIT,$12
	MOVL	$SYS_getpid, AX
	INVOKE_SYSCALL
	MOVL	AX, BX	// arg 1 pid
	MOVL	sig+0(FP), CX	// arg 2 signal
	MOVL	$SYS_kill, AX
	INVOKE_SYSCALL
	RET

TEXT ·getpid(SB),NOSPLIT,$0-4
	MOVL	$SYS_getpid, AX
	INVOKE_SYSCALL

#define SYS_rt_sigaction	134
#define SYS_rt_sigprocmask	135
#define SYS_sigaltstack		132
#define SYS_madvise		233
#define SYS_mincore		232
#define SYS_getpid		172
#define SYS_gettid		178
#define SYS_kill		129
#define SYS_tgkill		131
#define SYS_futex		98
#define SYS_sched_getaffinity	123
#define SYS_exit_group		94
#define SYS_clock_gettime	113
#define SYS_faccessat		48
#define SYS_socket		198
#define SYS_connect		203

	SYSCALL
	RET

TEXT runtime·raiseproc(SB),NOSPLIT,$0
	MOVV	$20, R4			// sys_getpid
	SYSCALL
	MOVV	R2, R4			// arg 1 - pid
	MOVW	sig+0(FP), R5		// arg 2 - signum
	MOVV	$122, R2		// sys_kill
	SYSCALL
	RET

TEXT runtime·mmap(SB),NOSPLIT,$0
	MOVV	addr+0(FP), R4		// arg 1 - addr
	MOVV	n+8(FP), R5		// arg 2 - len
	MOVW	prot+16(FP), R6		// arg 3 - prot
	MOVW	flags+20(FP), R7	// arg 4 - flags

	SYS_CHFLAGS                  = 34  // { int chflags(const char *path, u_long flags); }
	SYS_FCHFLAGS                 = 35  // { int fchflags(int fd, u_long flags); }
	SYS_SYNC                     = 36  // { int sync(void); }
	SYS_KILL                     = 37  // { int kill(int pid, int signum); }
	SYS_GETPPID                  = 39  // { pid_t getppid(void); }
	SYS_DUP                      = 41  // { int dup(u_int fd); }