diff options
Diffstat (limited to 'pkg/procid/procid_amd64.s')
| -rw-r--r-- | pkg/procid/procid_amd64.s | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/pkg/procid/procid_amd64.s b/pkg/procid/procid_amd64.s new file mode 100644 index 000000000..30ec8e6e2 --- /dev/null +++ b/pkg/procid/procid_amd64.s @@ -0,0 +1,30 @@ +// 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. + +// +build amd64 +// +build go1.8 +// +build !go1.14 + +#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 |