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>
PiperOrigin-RevId: 245818639 Change-Id: I03703ef0fb9b6675955637b9fe2776204c545789
Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: I20103cd6d193431ab7e8120005da1f567b9bc2eb PiperOrigin-RevId: 244280119