1 files changed, 92 insertions, 0 deletions
diff --git a/pkg/sentry/strace/mmap.go b/pkg/sentry/strace/mmap.go
new file mode 100644
index 000000000..0035be586
--- /dev/null
+++ b/pkg/sentry/strace/mmap.go
@@ -0,0 +1,92 @@
+// Copyright 2021 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.
+
+package strace
+
+import (
+	"gvisor.dev/gvisor/pkg/abi"
+	"gvisor.dev/gvisor/pkg/abi/linux"
+)
+
+// ProtectionFlagSet represents the protection to mmap(2).
+var ProtectionFlagSet = abi.FlagSet{
+	{
+		Flag: linux.PROT_READ,
+		Name: "PROT_READ",
+	},
+	{
+		Flag: linux.PROT_WRITE,
+		Name: "PROT_WRITE",
+	},
+	{
+		Flag: linux.PROT_EXEC,
+		Name: "PROT_EXEC",
+	},
+}
+
+// MmapFlagSet is the set of mmap(2) flags.
+var MmapFlagSet = abi.FlagSet{
+	{
+		Flag: linux.MAP_SHARED,
+		Name: "MAP_SHARED",
+	},
+	{
+		Flag: linux.MAP_PRIVATE,
+		Name: "MAP_PRIVATE",
+	},
+	{
+		Flag: linux.MAP_FIXED,
+		Name: "MAP_FIXED",
+	},
+	{
+		Flag: linux.MAP_ANONYMOUS,
+		Name: "MAP_ANONYMOUS",
+	},
+	{
+		Flag: linux.MAP_GROWSDOWN,
+		Name: "MAP_GROWSDOWN",
+	},
+	{
+		Flag: linux.MAP_DENYWRITE,
+		Name: "MAP_DENYWRITE",
+	},
+	{
+		Flag: linux.MAP_EXECUTABLE,
+		Name: "MAP_EXECUTABLE",
+	},
+	{
+		Flag: linux.MAP_LOCKED,
+		Name: "MAP_LOCKED",
+	},
+	{
+		Flag: linux.MAP_NORESERVE,
+		Name: "MAP_NORESERVE",
+	},
+	{
+		Flag: linux.MAP_POPULATE,
+		Name: "MAP_POPULATE",
+	},
+	{
+		Flag: linux.MAP_NONBLOCK,
+		Name: "MAP_NONBLOCK",
+	},
+	{
+		Flag: linux.MAP_STACK,
+		Name: "MAP_STACK",
+	},
+	{
+		Flag: linux.MAP_HUGETLB,
+		Name: "MAP_HUGETLB",
+	},
+}