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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
| commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
| tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/syscall/asm_linux_riscv64.s | |
| parent | Initial commit. (diff) | |
| download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip | |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/syscall/asm_linux_riscv64.s')
| -rw-r--r-- | src/syscall/asm_linux_riscv64.s | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/syscall/asm_linux_riscv64.s b/src/syscall/asm_linux_riscv64.s new file mode 100644 index 0000000..6fd09ec --- /dev/null +++ b/src/syscall/asm_linux_riscv64.s @@ -0,0 +1,41 @@ +// Copyright 2019 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 riscv64, Linux +// + +// func rawVforkSyscall(trap, a1, a2 uintptr) (r1, err uintptr) +TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-40 + MOV a1+8(FP), A0 + MOV a2+16(FP), A1 + MOV ZERO, A2 + MOV ZERO, A3 + MOV ZERO, A4 + MOV ZERO, A5 + MOV trap+0(FP), A7 // syscall entry + ECALL + MOV $-4096, T0 + BLTU T0, A0, err + MOV A0, r1+24(FP) // r1 + MOV ZERO, err+32(FP) // errno + RET +err: + MOV $-1, T0 + MOV T0, r1+24(FP) // r1 + SUB A0, ZERO, A0 + MOV A0, err+32(FP) // errno + RET + +TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48 + MOV a1+8(FP), A0 + MOV a2+16(FP), A1 + MOV a3+24(FP), A2 + MOV trap+0(FP), A7 // syscall entry + ECALL + MOV A0, r1+32(FP) + MOV A1, r2+40(FP) + RET |