//go:build linux && gc

package unix

// SyscallNoError may be used instead of Syscall for syscalls that don't fail.
func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr)

// RawSyscallNoError may be used instead of RawSyscall for syscalls that don't
// fail.

TEXT ·Syscall9(SB),NOSPLIT,$0-52
	JMP syscall·Syscall9(SB)

TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
	JAL	runtime·entersyscall(SB)
	MOVW	a1+4(FP), R4
	MOVW	a2+8(FP), R5
	MOVW	a3+12(FP), R6
	MOVW	R0, R7
	MOVW	trap+0(FP), R2	// syscall entry
	SYSCALL
	MOVW	R2, r1+16(FP)	// r1
	MOVW	R3, r2+20(FP)	// r2
	JAL	runtime·exitsyscall(SB)
	RET

TEXT ·RawSyscall(SB),NOSPLIT,$0-28
	JMP syscall·RawSyscall(SB)

// instead of the glibc-specific "CALL 0x10(GS)".
#define INVOKE_SYSCALL	INT	$0x80

// func rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)
TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-24
	MOVL	trap+0(FP), AX	// syscall entry
	MOVL	a1+4(FP), BX
	MOVL	a2+8(FP), CX
	MOVL	a3+12(FP), DX
	POPL	SI // preserve return address
	INVOKE_SYSCALL
	PUSHL	SI

type syscallFunc uintptr

var libc_getsystemcfg syscallFunc

type errno = syscall.Errno

// Implemented in runtime/syscall_aix.go.
func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err errno)
func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err errno)

func callgetsystemcfg(label int) (r1 uintptr, e1 errno) {

// Implemented in ../runtime/syscall_windows.go.

// Deprecated: Use [SyscallN] instead.
func Syscall(trap, nargs, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)

// Deprecated: Use [SyscallN] instead.
func Syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)

// Deprecated: Use [SyscallN] instead.
func Syscall9(trap, nargs, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno)

	MOVD	a3+24(FP), R5
	MOVD	R0, R6
	MOVD	R0, R7
	MOVD	R0, R8
	MOVD	trap+0(FP), R9	// syscall entry
	SYSCALL R9
	MOVD	R3, r1+32(FP)
	MOVD	R4, r2+40(FP)
	BL	runtime·exitsyscall(SB)
	RET

TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
	MOVD	a1+8(FP), R3
	MOVD	a2+16(FP), R4
	MOVD	a3+24(FP), R5
	MOVD	R0, R6
	MOVD	R0, R7
	MOVD	R0, R8
	MOVD	trap+0(FP), R9	// syscall entry
	SYSCALL R9
	MOVD	R3, r1+32(FP)

rootProject.name = 'mkdir-trap'...

	JMP	syscall·Syscall6(SB)

TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
	JAL	runtime·entersyscall(SB)
	MOVV	a1+8(FP), R4
	MOVV	a2+16(FP), R5
	MOVV	a3+24(FP), R6
	MOVV	R0, R7
	MOVV	R0, R8
	MOVV	R0, R9
	MOVV	trap+0(FP), R2	// syscall entry
	SYSCALL
	MOVV	R2, r1+32(FP)
	MOVV	R3, r2+40(FP)
	JAL	runtime·exitsyscall(SB)
	RET

TEXT ·RawSyscall(SB),NOSPLIT,$0-56
	JMP	syscall·RawSyscall(SB)

	BR	syscall·Syscall6(SB)

TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
	BL	runtime·entersyscall(SB)
	MOVD	a1+8(FP), R2
	MOVD	a2+16(FP), R3
	MOVD	a3+24(FP), R4
	MOVD	$0, R5
	MOVD	$0, R6
	MOVD	$0, R7
	MOVD	trap+0(FP), R1	// syscall entry
	SYSCALL
	MOVD	R2, r1+32(FP)
	MOVD	R3, r2+40(FP)
	BL	runtime·exitsyscall(SB)
	RET

TEXT ·RawSyscall(SB),NOSPLIT,$0-56
	BR	syscall·RawSyscall(SB)

	JMP	syscall·Syscall6(SB)

TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
	CALL	runtime·entersyscall(SB)
	MOVQ	a1+8(FP), DI
	MOVQ	a2+16(FP), SI
	MOVQ	a3+24(FP), DX
	MOVQ	$0, R10
	MOVQ	$0, R8
	MOVQ	$0, R9
	MOVQ	trap+0(FP), AX	// syscall entry
	SYSCALL
	MOVQ	AX, r1+32(FP)
	MOVQ	DX, r2+40(FP)
	CALL	runtime·exitsyscall(SB)
	RET

TEXT ·RawSyscall(SB),NOSPLIT,$0-56
	JMP	syscall·RawSyscall(SB)