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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:25:22 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:25:22 +0000 |
| commit | f6ad4dcef54c5ce997a4bad5a6d86de229015700 (patch) | |
| tree | 7cfa4e31ace5c2bd95c72b154d15af494b2bcbef /src/syscall/asm_linux_arm64.s | |
| parent | Initial commit. (diff) | |
| download | golang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.tar.xz golang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.zip | |
Adding upstream version 1.22.1.upstream/1.22.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/syscall/asm_linux_arm64.s')
| -rw-r--r-- | src/syscall/asm_linux_arm64.s | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/syscall/asm_linux_arm64.s b/src/syscall/asm_linux_arm64.s new file mode 100644 index 0000000..883645f --- /dev/null +++ b/src/syscall/asm_linux_arm64.s @@ -0,0 +1,41 @@ +// Copyright 2015 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 rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr) +TEXT ·rawVforkSyscall(SB),NOSPLIT,$0-48 + MOVD a1+8(FP), R0 + MOVD a2+16(FP), R1 + MOVD a3+24(FP), R2 + MOVD $0, R3 + MOVD $0, R4 + MOVD $0, R5 + MOVD trap+0(FP), R8 // syscall entry + SVC + CMN $4095, R0 + BCC ok + MOVD $-1, R4 + MOVD R4, r1+32(FP) // r1 + NEG R0, R0 + MOVD R0, err+40(FP) // errno + RET +ok: + MOVD R0, r1+32(FP) // r1 + MOVD ZR, err+40(FP) // errno + RET + +// func rawSyscallNoError(trap uintptr, a1, a2, a3 uintptr) (r1, r2 uintptr); +TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48 + MOVD a1+8(FP), R0 + MOVD a2+16(FP), R1 + MOVD a3+24(FP), R2 + MOVD $0, R3 + MOVD $0, R4 + MOVD $0, R5 + MOVD trap+0(FP), R8 // syscall entry + SVC + MOVD R0, r1+32(FP) + MOVD R1, r2+40(FP) + RET |