Enable runsc/boot support on arm64.

This patch also include a minor change to replace syscall.Dup2
with syscall.Dup3 which was missed in a previous commit(ref a25a976).

Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I00beb9cc492e44c762ebaa3750201c63c1f7c2f3

1 files changed, 28 insertions, 0 deletions

diff --git a/runsc/boot/loader_amd64.go b/runsc/boot/loader_amd64.go
new file mode 100644
index 000000000..d16d20d89
--- /dev/null
+++ b/runsc/boot/loader_amd64.go
@@ -0,0 +1,28 @@
+// Copyright 2019 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
+
+// Package boot loads the kernel and runs a container.
+package boot
+
+import (
+	"gvisor.dev/gvisor/pkg/sentry/kernel"
+	"gvisor.dev/gvisor/pkg/sentry/syscalls/linux"
+)
+
+func init() {
+	// Register the global syscall table.
+	kernel.RegisterSyscallTable(linux.AMD64)
+}