// 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

	// work for the time being. See #63900 for further details.
	if trap == SYS___SYSCTL {
		return syscall6X(abi.FuncPCABI0(libc_sysctl_trampoline), a1, a2, a3, a4, a5, a6)
	}
	return 0, 0, ENOSYS
}

func rawSyscallInternal(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) {
	return 0, 0, ENOSYS
}

func rawSyscall6Internal(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) {
	return 0, 0, ENOSYS
}

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

//go:build linux && (mips || mipsle)

#include "textflag.h"
#include "funcdata.h"

//
// System calls for mips, Linux
//

// func Syscall9(trap trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2, err uintptr);
// Actually Syscall8 but the rest of the code expects it to be named Syscall9.
TEXT ·Syscall9(SB),NOSPLIT,$28-52
	NO_LOCAL_POINTERS

#include "textflag.h"

//
// System call support for ARM64, FreeBSD
//

#define SYS_syscall	0

// 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), R8	// syscall entry
	MOVD	a1+8(FP), R0
	MOVD	a2+16(FP), R1
	MOVD	a3+24(FP), R2
	SVC	$SYS_syscall
	BCC	ok
	MOVD	$-1, R1

#include "textflag.h"

//
// System calls for riscv64, FreeBSD
//

// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64)
TEXT ·Syscall(SB),NOSPLIT,$0-56
	CALL	runtime·entersyscall(SB)
	MOV	a1+8(FP), A0
	MOV	a2+16(FP), A1
	MOV	a3+24(FP), A2
	MOV	trap+0(FP), T0	// syscall entry
	ECALL
	BNE	T0, ZERO, err
	MOV	A0, r1+32(FP)	// r1
	MOV	A1, r2+40(FP)	// r2

#include "textflag.h"

//
// System call support for ARM64, NetBSD
//

#define	SYS_syscall	0

// 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), R17
	MOVD	a1+8(FP), R0
	MOVD	a2+16(FP), R1
	MOVD	a3+24(FP), R2
	SVC	$SYS_syscall
	BCC	ok
	MOVD	$-1, R1
	MOVD	R1, r1+32(FP)	// r1

	RET

//func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr)
TEXT ·RawSyscall(SB),NOSPLIT,$12-28
	MOVW	$a1+4(FP), R0	// move syscall args
	MOVW	$sysargs-12(SP), R1
	MOVM.IA	(R0), [R2-R4]
	MOVM.IA	[R2-R4], (R1)
	MOVW	trap+0(FP), R0	// syscall num
	SWI		$0
	MOVW	R0, r1+16(FP)
	MOVW	R0, r2+20(FP)
	MOVW	R0, err+24(FP)
	RET

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

#include "textflag.h"

//
// System calls for ppc64, Linux
//

// func rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)
TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$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
	BVC	ok
	MOVD	$-1, R4
	MOVD	R4, r1+32(FP)	// r1

#include "textflag.h"

//
// System calls for s390x, Linux
//

// func rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)
TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-48
	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	$0xfffffffffffff001, R8
	CMPUBLT	R2, R8, ok2
	MOVD	$-1, r1+32(FP)

//
// System call support for ARM, FreeBSD
//

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

TEXT	·Syscall(SB),NOSPLIT,$0-28
	BL runtime·entersyscall(SB)
	MOVW trap+0(FP), R7 // syscall number
	MOVW a1+4(FP), R0 // a1
	MOVW a2+8(FP), R1 // a2