diff options
| author | Andy Pan <panjf2000@gmail.com> | 2024-01-31 17:10:49 +0800 |
|---|---|---|
| committer | Michael Pratt <mpratt@google.com> | 2024-02-21 21:28:32 +0000 |
| commit | 05c0579621b54cc461dd19dd9bebd5a2b3e7af3c (patch) | |
| tree | 6fb8a9111da9f4ed7f2838308ab6bac509a94639 /src/runtime/internal/syscall/asm_linux_amd64.s | |
| parent | cdf3249d74c4187bc0c1737e1bb6ab1aa52c0b6f (diff) | |
| download | go-05c0579621b54cc461dd19dd9bebd5a2b3e7af3c.tar.xz | |
runtime: migrate internal/syscall to internal/runtime
For #65355
Change-Id: I5fefe30dcb520159de565e61dafc74a740fc8730
Reviewed-on: https://go-review.googlesource.com/c/go/+/559715
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Diffstat (limited to 'src/runtime/internal/syscall/asm_linux_amd64.s')
| -rw-r--r-- | src/runtime/internal/syscall/asm_linux_amd64.s | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/runtime/internal/syscall/asm_linux_amd64.s b/src/runtime/internal/syscall/asm_linux_amd64.s deleted file mode 100644 index 3740ef1beb..0000000000 --- a/src/runtime/internal/syscall/asm_linux_amd64.s +++ /dev/null @@ -1,47 +0,0 @@ -// 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) -// -// We need to convert to the syscall ABI. -// -// arg | ABIInternal | Syscall -// --------------------------- -// num | AX | AX -// a1 | BX | DI -// a2 | CX | SI -// a3 | DI | DX -// a4 | SI | R10 -// a5 | R8 | R8 -// a6 | R9 | R9 -// -// r1 | AX | AX -// r2 | BX | DX -// err | CX | part of AX -// -// Note that this differs from "standard" ABI convention, which would pass 4th -// arg in CX, not R10. -TEXT ·Syscall6<ABIInternal>(SB),NOSPLIT,$0 - // a6 already in R9. - // a5 already in R8. - MOVQ SI, R10 // a4 - MOVQ DI, DX // a3 - MOVQ CX, SI // a2 - MOVQ BX, DI // a1 - // num already in AX. - SYSCALL - CMPQ AX, $0xfffffffffffff001 - JLS ok - NEGQ AX - MOVQ AX, CX // errno - MOVQ $-1, AX // r1 - MOVQ $0, BX // r2 - RET -ok: - // r1 already in AX. - MOVQ DX, BX // r2 - MOVQ $0, CX // errno - RET |