1 // Copyright 2022 The Go Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style

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

     4 

     5 //go:build linux && loong64 && gc

     6 // +build linux

     7 // +build loong64

     8 // +build gc

     9 

    10 #include "textflag.h"

    11 

    12 

    13 // Just jump to package syscall's implementation for all these functions.

    14 // The runtime may know about them.

    15 

    16 TEXT ·Syscall(SB),NOSPLIT,$0-56

    17 	JMP	syscall·Syscall(SB)

    18 

    19 TEXT ·Syscall6(SB),NOSPLIT,$0-80

    20 	JMP	syscall·Syscall6(SB)

    21 

    22 TEXT ·SyscallNoError(SB),NOSPLIT,$0-48

    23 	JAL	runtime·entersyscall(SB)

    24 	MOVV	a1+8(FP), R4

    25 	MOVV	a2+16(FP), R5

    26 	MOVV	a3+24(FP), R6

    27 	MOVV	R0, R7

    28 	MOVV	R0, R8

    29 	MOVV	R0, R9

    30 	MOVV	trap+0(FP), R11	// syscall entry

    31 	SYSCALL

    32 	MOVV	R4, r1+32(FP)

    33 	MOVV	R0, r2+40(FP)	// r2 is not used. Always set to 0

    34 	JAL	runtime·exitsyscall(SB)

    35 	RET

    36 

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

    38 	JMP	syscall·RawSyscall(SB)

    39 

    40 TEXT ·RawSyscall6(SB),NOSPLIT,$0-80

    41 	JMP	syscall·RawSyscall6(SB)

    42 

    43 TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48

    44 	MOVV	a1+8(FP), R4

    45 	MOVV	a2+16(FP), R5

    46 	MOVV	a3+24(FP), R6

    47 	MOVV	R0, R7

    48 	MOVV	R0, R8

    49 	MOVV	R0, R9

    50 	MOVV	trap+0(FP), R11	// syscall entry

    51 	SYSCALL

    52 	MOVV	R4, r1+32(FP)

    53 	MOVV	R0, r2+40(FP)	// r2 is not used. Always set to 0

    54 	RET