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
	MOVD	8(R0), R1	// arg 2 buf
	MOVW	16(R0), R2	// arg 3 count
	MOVW	0(R0), R0	// arg 1 fd
	BL	libc_read(SB)
	MOVD	$-1, R1
	CMP	R0, R1
	BNE	noerr
	BL	libc_error(SB)
	MOVW	(R0), R0

	CALL	libc_read(SB)
	TESTL	AX, AX
	JGE	noerr
	CALL	libc_error(SB)
	MOVL	(AX), AX
	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

//go:cgo_import_dynamic libc_munmap munmap "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_madvise madvise "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_mlock mlock "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_error __error "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_usleep usleep "/usr/lib/libSystem.B.dylib"

//go:cgo_import_dynamic libc_proc_regionfilename proc_regionfilename "/usr/lib/libSystem.B.dylib"

	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·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

	CMP	$-1, R0
	BNE	noerr
	CALL	libc_errno(SB)
	MOVW	(R0), R0		// errno
	NEG	R0, R0			// caller expects negative errno value
noerr:
	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
	CALL	libc_write(SB)
	CMP	$-1, R0
	BNE	noerr
	CALL	libc_errno(SB)
	MOVW	(R0), R0		// errno

	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
	MOVW	8(X10), X11		// arg 2 - flags
	MOV	0(X10), X10		// arg 1 - filedes
	CALL	libc_pipe2(SB)
	MOV	$-1, X5
	BNE	X5, X10, noerr
	CALL	libc_errno(SB)
	MOVW	(X10), X10		// errno

	CALL	libc_read(SB)
	TESTL	AX, AX
	JGE	noerr
	CALL	libc_errno(SB)
	MOVL	(AX), AX		// errno
	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
	MOVL	0(DI), DI		// arg 1 fd
	CALL	libc_write(SB)
	TESTL	AX, AX
	JGE	noerr
	CALL	libc_errno(SB)
	MOVL	(AX), AX		// errno

	MOVW	R6, 8(R13)		// low 32 bits
	MOVW    $0, R7
	MOVW	R7, 12(R13)		// high 32 bits
	MOVW	0(R0), R0		// arg 1 addr
	BL	libc_mmap(SB)
	MOVW	$0, R1
	CMP	$-1, R0
	BNE	ok
	BL	libc_errno(SB)
	MOVW	(R0), R1		// errno
	MOVW	$0, R0
ok:
	MOVW	R0, 24(R8)
	MOVW	R1, 28(R8)
	MOVW	R9, R13
	RET

TEXT runtime·munmap_trampoline(SB),NOSPLIT,$0
	MOVW	R13, R9

	MOVL	$0, 20(SP)		// pad
	MOVL	CX, 24(SP)		// arg 6 - offset (low 32 bits)
	MOVL	$0, 28(SP)		// offset (high 32 bits)
	CALL	libc_mmap(SB)
	MOVL	$0, BX
	CMPL	AX, $-1
	JNE	ok
	CALL	libc_errno(SB)
	MOVL	(AX), BX
	MOVL	$0, AX
ok:
	MOVL	40(SP), DX
	MOVL	AX, 24(DX)
	MOVL	BX, 28(DX)
	MOVL	BP, SP
	POPL	BP
	RET

TEXT runtime·munmap_trampoline(SB),NOSPLIT,$0
	PUSHL	BP

	return
}
func issetugid_trampoline()

// Tell the linker that the libc_* functions are to be found
// in a system library, with the libc_ prefix missing.

//go:cgo_import_dynamic libc_errno __errno "libc.so"
//go:cgo_import_dynamic libc_exit exit "libc.so"
//go:cgo_import_dynamic libc_getthrid getthrid "libc.so"
//go:cgo_import_dynamic libc_sched_yield sched_yield "libc.so"