diff options
Diffstat (limited to 'src/syscall/asm_linux_loong64.s')
| -rw-r--r-- | src/syscall/asm_linux_loong64.s | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/syscall/asm_linux_loong64.s b/src/syscall/asm_linux_loong64.s new file mode 100644 index 0000000..1a7457c --- /dev/null +++ b/src/syscall/asm_linux_loong64.s @@ -0,0 +1,44 @@ +// Copyright 2022 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +// +// System calls for loong64, Linux +// + +// func rawVforkSyscall(trap, a1, a2 uintptr) (r1, err uintptr) +TEXT ·rawVforkSyscall(SB),NOSPLIT,$0-40 + MOVV a1+8(FP), R4 + MOVV a2+16(FP), R5 + MOVV $0, R6 + MOVV $0, R7 + MOVV $0, R8 + MOVV $0, R9 + MOVV trap+0(FP), R11 // syscall entry + SYSCALL + MOVW $-4096, R12 + BGEU R12, R4, ok + MOVV $-1, R12 + MOVV R12, r1+24(FP) // r1 + SUBVU R4, R0, R4 + MOVV R4, err+32(FP) // errno + RET +ok: + MOVV R4, r1+24(FP) // r1 + MOVV R0, err+32(FP) // errno + RET + +TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48 + 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), R11 // syscall entry + SYSCALL + MOVV R4, r1+32(FP) + MOVV R0, r2+40(FP) // r2 is not used. Always set to 0. + RET |