Arm64: VDSO support for signal

The vdso is enabled, so we can use the sigreturn trampolines
the vdso provides in arch module.

Signed-off-by: Bin Lu <bin.lu@arm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/vdso/vdso_amd64.lds b/vdso/vdso_amd64.lds
index e2615ae9e..d114290da 100644
--- a/vdso/vdso_amd64.lds
+++ b/vdso/vdso_amd64.lds
@@ -95,6 +95,7 @@ VERSION {
     __vdso_getcpu;
     time;
     __vdso_time;
+    __kernel_rt_sigreturn;
 
   local: *;
   };