Linux: Consolidate auxiliary vector parsing (redo)

And optimize it slightly.

This is commit 8c8510ab2790039e58995ef3a22309582413d3ff revised.

In _dl_aux_init in elf/dl-support.c, use an explicit loop
and -fno-tree-loop-distribute-patterns to avoid memset.

Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>

1 files changed, 2 insertions, 12 deletions

diff --git a/sysdeps/unix/sysv/linux/powerpc/dl-auxv.h b/sysdeps/unix/sysv/linux/powerpc/dl-auxv.h
index 594371940a..ce2281cf11 100644
--- a/sysdeps/unix/sysv/linux/powerpc/dl-auxv.h
+++ b/sysdeps/unix/sysv/linux/powerpc/dl-auxv.h
@@ -16,15 +16,5 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include <ldsodefs.h>
-
-#if IS_IN (libc) && !defined SHARED
-int GLRO(dl_cache_line_size);
-#endif
-
-/* Scan the Aux Vector for the "Data Cache Block Size" entry and assign it
-   to dl_cache_line_size.  */
-#define DL_PLATFORM_AUXV						      \
-      case AT_DCACHEBSIZE:						      \
-	GLRO(dl_cache_line_size) = av->a_un.a_val;			      \
-	break;
+#define DL_PLATFORM_AUXV \
+  GLRO(dl_cache_line_size) = auxv_values[AT_DCACHEBSIZE];