// license that can be found in the LICENSE file.

#include "textflag.h"

//
// System call support for ARM64, Darwin
//

// func Syscall(trap uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr)
TEXT	·Syscall(SB),NOSPLIT,$0-56
	BL	runtime·entersyscall<ABIInternal>(SB)
	MOVD	trap+0(FP), R16
	MOVD	a1+8(FP), R0
	MOVD	a2+16(FP), R1
	MOVD	a3+24(FP), R2
	SVC	$0x80
	BCC	ok
	MOVD	$-1, R1
	MOVD	R1, r1+32(FP)	// r1

#include "funcdata.h"

//
// System call support for AMD64 unixes
//

// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64)
// func Syscall6(trap int64, a1, a2, a3, a4, a5, a6 int64) (r1, r2, err int64)
// Trap # in AX, args in DI SI DX, return in AX DX

TEXT	·Syscall(SB),NOSPLIT,$0-56
	CALL	runtime·entersyscall<ABIInternal>(SB)
	MOVQ	trap+0(FP), AX	// syscall entry
	MOVQ	a1+8(FP), DI
	MOVQ	a2+16(FP), SI
	MOVQ	a3+24(FP), DX

// license that can be found in the LICENSE file.

#include "textflag.h"

// func rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)
TEXT ·rawVforkSyscall(SB),NOSPLIT,$0-48
	MOVD	a1+8(FP), R0
	MOVD	a2+16(FP), R1
	MOVD	a3+24(FP), R2
	MOVD	$0, R3
	MOVD	$0, R4
	MOVD	$0, R5
	MOVD	trap+0(FP), R8	// syscall entry
	SVC
	CMN	$4095, R0
	BCC	ok
	MOVD	$-1, R4
	MOVD	R4, r1+32(FP)	// r1
	NEG	R0, R0

//

// func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32);
// func Syscall6(trap int32, a1, a2, a3, a4, a5, a6 int32) (r1, r2, err int32);
// Trap # in AX, args on stack above caller pc.

TEXT	·Syscall(SB),NOSPLIT,$0-28
	CALL	runtime·entersyscall(SB)
	MOVL	trap+0(FP), AX	// syscall entry
	// slide args down on top of system call number
	LEAL		a1+4(FP), SI
	LEAL		trap+0(FP), DI
	CLD
	MOVSL
	MOVSL

//

//func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err string)
//func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err string)
//func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr)
//func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr)

#define SYS_ERRSTR 41	/* from zsysnum_plan9.go */

// Trap # in AX, args on stack above caller pc.

//
// System call support for ARM, NetBSD
//

// func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32);
// func Syscall6(trap int32, a1, a2, a3, a4, a5, a6 int32) (r1, r2, err int32);
// func Syscall9(trap int32, a1, a2, a3, a4, a5, a6, a7, a8, a9 int64) (r1, r2, err int32)

TEXT	·Syscall(SB),NOSPLIT,$0-28
	BL runtime·entersyscall(SB)
	MOVW trap+0(FP), R0 // sigcall num
	MOVW a1+4(FP), R1 // a1
	MOVW a2+8(FP), R2 // a2

// rather than ABIInternal.

// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall(SB),NOSPLIT,$0-56
	JMP	·syscallInternal(SB)

// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall6(SB),NOSPLIT,$0-80
	JMP	·syscall6Internal(SB)

// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·RawSyscall(SB),NOSPLIT,$0-56

// rather than ABIInternal.

// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall(SB),NOSPLIT,$0-56
	JMP	·syscallInternal(SB)

// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall6(SB),NOSPLIT,$0-80
	JMP	·syscall6Internal(SB)

// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·RawSyscall(SB),NOSPLIT,$0-56

package unix

import "syscall"

func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)

// rather than ABIInternal.

// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall(SB),NOSPLIT,$0-56
	JMP	·syscallInternal(SB)

// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall6(SB),NOSPLIT,$0-80
	JMP	·syscall6Internal(SB)

// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·RawSyscall(SB),NOSPLIT,$0-56