noerr:
	RET

TEXT runtime·write_trampoline(SB),NOSPLIT,$32
	MOVD	8(R3), R4		// arg 2 - buf
	MOVW	16(R3), R5		// arg 3 - count
	MOVD	0(R3), R3		// arg 1 - fd (uintptr)
	CALL	libc_write(SB)
	CMP	R3, $-1
	BNE	noerr
	CALL	libc_errno(SB)
	MOVW	(R3), R3		// errno
	NEG	R3, R3			// caller expects negative errno value
noerr:
	RET

TEXT runtime·pipe2_trampoline(SB),NOSPLIT,$32

noerr:
	RET

TEXT runtime·write_trampoline(SB),NOSPLIT,$8
	MOV	8(X10), X11		// arg 2 - buf
	MOVW	16(X10), X12		// arg 3 - count
	MOV	0(X10), X10		// arg 1 - fd (uintptr from write1)
	CALL	libc_write(SB)
	MOV	$-1, X5
	BNE	X5, X10, noerr
	CALL	libc_errno(SB)
	MOVW	(X10), X10		// errno
	NEG	X10			// caller expects negative errno
noerr:
	RET

TEXT runtime·pipe2_trampoline(SB),NOSPLIT,$8

//go:cgo_import_dynamic libc_open open "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_close close "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_read read "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_write write "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_pipe pipe "/usr/lib/libSystem.B.dylib"

//go:cgo_import_dynamic libc_mmap mmap "/usr/lib/libSystem.B.dylib"

	MOVW	0(R0), R0	// arg 1 fd
	BL	libc_close(SB)
	RET

TEXT runtime·write_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 buf
	MOVW	16(R0), R2	// arg 3 count
	MOVW	0(R0), R0	// arg 1 fd
	BL	libc_write(SB)
	MOVD	$-1, R1
	CMP	R0, R1
	BNE	noerr
	BL	libc_error(SB)
	MOVW	(R0), R0
	NEG	R0, R0		// caller expects negative errno value
noerr:
	RET

TEXT runtime·read_trampoline(SB),NOSPLIT,$0

	NEGL	AX			// caller expects negative errno value
noerr:
	RET

TEXT runtime·write_trampoline(SB),NOSPLIT,$0
	MOVQ	8(DI), SI		// arg 2 buf
	MOVL	16(DI), DX		// arg 3 count
	MOVQ	0(DI), DI		// arg 1 fd
	CALL	libc_write(SB)
	TESTL	AX, AX
	JGE	noerr
	CALL	libc_error(SB)
	MOVL	(AX), AX
	NEGL	AX			// caller expects negative errno value
noerr:
	RET

TEXT runtime·pipe_trampoline(SB),NOSPLIT,$0