1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build amd64 && go1.8 && !go1.19 && go1.1
// +build amd64,go1.8,!go1.19,go1.1
// //go:linkname directives type-checked by checklinkname. Any other
// non-linkname assumptions outside the Go 1 compatibility guarantee should
// have an accompanied vet check or version guard build tag.
#include "textflag.h"
TEXT ·Current(SB),NOSPLIT,$0-8
// The offset specified here is the m_procid offset for Go1.8+.
// Changes to this offset should be caught by the tests, and major
// version changes require an explicit tag change above.
MOVQ TLS, AX
MOVQ 0(AX)(TLS*1), AX
MOVQ 48(AX), AX // g_m (may change in future versions)
MOVQ 72(AX), AX // m_procid (may change in future versions)
MOVQ AX, ret+0(FP)
RET
|