diff options
Diffstat (limited to 'src/runtime/internal/syscall/asm_linux_arm64.s')
| -rw-r--r-- | src/runtime/internal/syscall/asm_linux_arm64.s | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/runtime/internal/syscall/asm_linux_arm64.s b/src/runtime/internal/syscall/asm_linux_arm64.s new file mode 100644 index 0000000..83e862f --- /dev/null +++ b/src/runtime/internal/syscall/asm_linux_arm64.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 + MOVD num+0(FP), R8 // syscall entry + MOVD a1+8(FP), R0 + MOVD a2+16(FP), R1 + MOVD a3+24(FP), R2 + MOVD a4+32(FP), R3 + MOVD a5+40(FP), R4 + MOVD a6+48(FP), R5 + SVC + CMN $4095, R0 + BCC ok + MOVD $-1, R4 + MOVD R4, r1+56(FP) + MOVD ZR, r2+64(FP) + NEG R0, R0 + MOVD R0, errno+72(FP) + RET +ok: + MOVD R0, r1+56(FP) + MOVD R1, r2+64(FP) + MOVD ZR, errno+72(FP) + RET |