6 files changed, 30 insertions, 5 deletions
diff --git a/pkg/sentry/syscalls/linux/linux_amd64_state_autogen.go b/pkg/sentry/syscalls/linux/linux_amd64_state_autogen.go
index a98193a5b..b3e3be0b6 100755
--- a/pkg/sentry/syscalls/linux/linux_amd64_state_autogen.go
+++ b/pkg/sentry/syscalls/linux/linux_amd64_state_autogen.go
@@ -2,5 +2,6 @@
 
 // +build amd64
 // +build amd64
+// +build amd64
 
 package linux
diff --git a/pkg/sentry/syscalls/linux/linux_arm64_state_autogen.go b/pkg/sentry/syscalls/linux/linux_arm64_state_autogen.go
index b144adbda..f03e36ddc 100755
--- a/pkg/sentry/syscalls/linux/linux_arm64_state_autogen.go
+++ b/pkg/sentry/syscalls/linux/linux_arm64_state_autogen.go
@@ -2,5 +2,6 @@
 
 // +build arm64
 // +build arm64
+// +build arm64
 
 package linux
diff --git a/pkg/sentry/syscalls/linux/linux_state_autogen.go b/pkg/sentry/syscalls/linux/linux_state_autogen.go
index 5107dd246..cbae0a871 100755
--- a/pkg/sentry/syscalls/linux/linux_state_autogen.go
+++ b/pkg/sentry/syscalls/linux/linux_state_autogen.go
@@ -1,8 +1,5 @@
 // automatically generated by stateify.
 
-// +build amd64
-// +build amd64 arm64
-
 package linux
 
 import (
diff --git a/pkg/sentry/syscalls/linux/sys_tls.go b/pkg/sentry/syscalls/linux/sys_tls_amd64.go
index b3eb96a1c..b3eb96a1c 100644..100755
--- a/pkg/sentry/syscalls/linux/sys_tls.go
+++ b/pkg/sentry/syscalls/linux/sys_tls_amd64.go
diff --git a/pkg/sentry/syscalls/linux/sys_tls_arm64.go b/pkg/sentry/syscalls/linux/sys_tls_arm64.go
new file mode 100755
index 000000000..fb08a356e
--- /dev/null
+++ b/pkg/sentry/syscalls/linux/sys_tls_arm64.go
@@ -0,0 +1,28 @@
+// 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
+
+package linux
+
+import (
+	"gvisor.dev/gvisor/pkg/sentry/arch"
+	"gvisor.dev/gvisor/pkg/sentry/kernel"
+	"gvisor.dev/gvisor/pkg/syserror"
+)
+
+// ArchPrctl is not defined for ARM64.
+func ArchPrctl(*kernel.Task, arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
+	return 0, nil, syserror.ENOSYS
+}
diff --git a/pkg/sentry/syscalls/linux/sys_utsname.go b/pkg/sentry/syscalls/linux/sys_utsname.go
index a393e28c1..e9d702e8e 100644
--- a/pkg/sentry/syscalls/linux/sys_utsname.go
+++ b/pkg/sentry/syscalls/linux/sys_utsname.go
@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// +build amd64 arm64
-
 package linux
 
 import (