//go:linkname libc_sem_reltimedwait_np libc_sem_reltimedwait_np
//go:linkname libc_sem_wait libc_sem_wait
//go:linkname libc_setitimer libc_setitimer
//go:linkname libc_sigaction libc_sigaction
//go:linkname libc_sigaltstack libc_sigaltstack
//go:linkname libc_sigprocmask libc_sigprocmask
//go:linkname libc_sysconf libc_sysconf
//go:linkname libc_usleep libc_usleep
//go:linkname libc_write libc_write
//go:linkname libc_pipe2 libc_pipe2

var (

//go:linkname libc_sem_timedwait libc_sem_timedwait
//go:linkname libc_sem_wait libc_sem_wait
//go:linkname libc_setitimer libc_setitimer
//go:linkname libc_sigaction libc_sigaction
//go:linkname libc_sigaltstack libc_sigaltstack
//go:linkname libc_sysconf libc_sysconf
//go:linkname libc_usleep libc_usleep
//go:linkname libc_write libc_write
//go:linkname libc_getuid libc_getuid
//go:linkname libc_geteuid libc_geteuid

	BNE	3(PC)
	MOVD	$0, R3			// crash on syscall failure
	MOVD	R3, (R3)
	RET

TEXT runtime·sigaltstack_trampoline(SB),NOSPLIT,$32
	MOVD	8(R3), R4		// arg 2 - old
	MOVD	0(R3), R3		// arg 1 - new
	CALL	libc_sigaltstack(SB)
	CMP	R3, $-1
	BNE	3(PC)
	MOVD	$0, R3			// crash on syscall failure
	MOVD	R3, (R3)
	RET

TEXT runtime·issetugid_trampoline(SB),NOSPLIT,$32
	MOVD	R3, R14			// pointer to args

	BNE	X5, X10, 3(PC)
	MOV	$0, X5			// crash on failure
	MOV	X5, (X5)
	RET

TEXT runtime·sigaltstack_trampoline(SB),NOSPLIT,$8
	MOV	8(X10), X11		// arg 2 - old
	MOV	0(X10), X10		// arg 1 - new
	CALL	libc_sigaltstack(SB)
	MOV	$-1, X5
	BNE	X5, X10, 3(PC)
	MOV	$0, X5			// crash on failure
	MOV	X5, (X5)
	RET

TEXT runtime·issetugid_trampoline(SB),NOSPLIT,$0
	MOV	X10, X9			// pointer to args

//go:cgo_import_dynamic libc_sigaction sigaction "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_pthread_sigmask pthread_sigmask "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_sigaltstack sigaltstack "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_getpid getpid "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_kill kill "/usr/lib/libSystem.B.dylib"