[v2,05/20] hurd: Use the RETURN_ADDRESS macro

Message ID 20240323173301.151066-6-bugaevc@gmail.com
State Committed
Commit b467cfcaee34452df845c678dd2ba36ea2221855
Series aarch64-gnu port & GNU/Hurd on AArch64 progress |


Context Check Description
redhat-pt-bot/TryBot-apply_patch success Patch applied to master at the time it was sent
linaro-tcwg-bot/tcwg_glibc_build--master-arm fail Patch failed to apply
linaro-tcwg-bot/tcwg_glibc_build--master-aarch64 fail Patch failed to apply

Commit Message

Sergey Bugaev March 23, 2024, 5:32 p.m. UTC
  This gives us PAC stripping on AArch64.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>

PAC is still not implemented on gnumach side, though.

 sysdeps/mach/hurd/init-first.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


diff --git a/sysdeps/mach/hurd/init-first.c b/sysdeps/mach/hurd/init-first.c
index 22c35747..5777c44c 100644
--- a/sysdeps/mach/hurd/init-first.c
+++ b/sysdeps/mach/hurd/init-first.c
@@ -222,7 +222,7 @@  _hurd_stack_setup (void **argptr)
      this may not be a valid pointer in case we're supposed to receive the
      arguments from the exec server, so we can not dereference it yet.  */
-  void *caller = __builtin_extract_return_addr (__builtin_return_address (0));
+  void *caller = RETURN_ADDRESS (0);
   /* Init the essential things.  */
   first_init ();