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

Sergey Bugaev bugaevc@gmail.com
Sat Mar 23 17:32:46 GMT 2024


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 ();
 
-- 
2.44.0



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