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authorJamie Liu <jamieliu@google.com>2019-06-10 15:46:17 -0700
committerShentubot <shentubot@google.com>2019-06-10 15:47:25 -0700
commit589f36ac4ae31b1f7f35a74d982398e48c28aa31 (patch)
tree93f15b9a87a4af2ff3c486c2b0754687579fee0d /pkg/procid/procid_arm64.s
parent3933dd5c04c56512eccb38657bb735f375db4de4 (diff)
Move //pkg/sentry/platform/procid to //pkg/procid.
PiperOrigin-RevId: 252501653
Diffstat (limited to 'pkg/procid/procid_arm64.s')
-rw-r--r--pkg/procid/procid_arm64.s29
1 files changed, 29 insertions, 0 deletions
diff --git a/pkg/procid/procid_arm64.s b/pkg/procid/procid_arm64.s
new file mode 100644
index 000000000..e340d9f98
--- /dev/null
+++ b/pkg/procid/procid_arm64.s
@@ -0,0 +1,29 @@
+// 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 arm64
+// +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.
+ MOVD g, R0 // g
+ MOVD 48(R0), R0 // g_m (may change in future versions)
+ MOVD 72(R0), R0 // m_procid (may change in future versions)
+ MOVD R0, ret+0(FP)
+ RET