Fix elf: Introduce is_rtld_link_map [BZ #32488]

Also use is_rtld_link_map in dl-cet.c.  This fixes BZ #32488.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>

diff --git a/sysdeps/x86_64/dl-cet.c b/sysdeps/x86_64/dl-cet.c
index 1297c09f841a5fcceab584273e960ec268f7f20a..7cde5ee0dcc661f933c3d6f3d5a77af9b064fbc4 100644 (file)
--- a/sysdeps/x86_64/dl-cet.c
+++ b/sysdeps/x86_64/dl-cet.c
@@ -77,8 +77,8 @@ dl_check_legacy_object (struct link_map *m,
       /* Skip check for ld.so since it has the features enabled.  The
          features will be disabled later if they are not enabled in
         executable.  */
-      if (l == &GL(dl_rtld_map)
-          || l->l_real == &GL(dl_rtld_map)
+      if (is_rtld_link_map (l)
+          || is_rtld_link_map (l->l_real)
           || (info->program != NULL && l == m))
          continue;
 #endif