Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

1 files changed, 32 insertions, 0 deletions

diff --git a/pkg/abi/linux/bpf.go b/pkg/abi/linux/bpf.go
new file mode 100644
index 000000000..f597ef4f5
--- /dev/null
+++ b/pkg/abi/linux/bpf.go
@@ -0,0 +1,32 @@
+// Copyright 2018 Google Inc.
+//
+// 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.
+
+package linux
+
+// BPFInstruction is a raw BPF virtual machine instruction.
+type BPFInstruction struct {
+	// OpCode is the operation to execute.
+	OpCode uint16
+
+	// JumpIfTrue is the number of instructions to skip if OpCode is a
+	// conditional instruction and the condition is true.
+	JumpIfTrue uint8
+
+	// JumpIfFalse is the number of instructions to skip if OpCode is a
+	// conditional instruction and the condition is false.
+	JumpIfFalse uint8
+
+	// K is a constant parameter. The meaning depends on the value of OpCode.
+	K uint32
+}