diff options
Diffstat (limited to 'src/runtime/internal/syscall/asm_linux_loong64.s')
-rw-r--r-- | src/runtime/internal/syscall/asm_linux_loong64.s | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/runtime/internal/syscall/asm_linux_loong64.s b/src/runtime/internal/syscall/asm_linux_loong64.s new file mode 100644 index 0000000..d6a33f9 --- /dev/null +++ b/src/runtime/internal/syscall/asm_linux_loong64.s @@ -0,0 +1,29 @@ +// 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" + +// func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr) +TEXT ·Syscall6(SB),NOSPLIT,$0-80 + MOVV num+0(FP), R11 // syscall entry + MOVV a1+8(FP), R4 + MOVV a2+16(FP), R5 + MOVV a3+24(FP), R6 + MOVV a4+32(FP), R7 + MOVV a5+40(FP), R8 + MOVV a6+48(FP), R9 + SYSCALL + MOVW $-4096, R12 + BGEU R12, R4, ok + MOVV $-1, R12 + MOVV R12, r1+56(FP) + MOVV R0, r2+64(FP) + SUBVU R4, R0, R4 + MOVV R4, errno+72(FP) + RET +ok: + MOVV R4, r1+56(FP) + MOVV R0, r2+64(FP) // r2 is not used. Always set to 0. + MOVV R0, errno+72(FP) + RET |