Make some ptrace commands x86-only

Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I9751f859332d433ca772d6b9733f5a5a64398ec7
PiperOrigin-RevId: 234877624

1 files changed, 28 insertions, 0 deletions

diff --git a/pkg/sentry/kernel/ptrace_arm64.go b/pkg/sentry/kernel/ptrace_arm64.go
new file mode 100644
index 000000000..4636405e6
--- /dev/null
+++ b/pkg/sentry/kernel/ptrace_arm64.go
@@ -0,0 +1,28 @@
+// Copyright 2019 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.
+
+// +build arm64
+
+package kernel
+
+import (
+	"gvisor.googlesource.com/gvisor/pkg/abi/linux"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
+	"gvisor.googlesource.com/gvisor/pkg/syserror"
+)
+
+// ptraceArch implements arch-specific ptrace commands.
+func (t *Task) ptraceArch(target *Task, req int64, addr, data usermem.Addr) error {
+	return syserror.EIO
+}