Update.

1999-07-12  Andreas Schwab  <schwab@suse.de>

	* elf/rtld.c (dl_main): When putting back the interpreter object
	handle the case where a missing object might occur in the list of
	objects but not in the search list when in trace mode.

diff --git a/ChangeLog b/ChangeLog
index 3ec8d64..a88d0b4 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+1999-07-12  Andreas Schwab  <schwab@suse.de>
+
+       * elf/rtld.c (dl_main): When putting back the interpreter object
+       handle the case where a missing object might occur in the list of
+       objects but not in the search list when in trace mode.
+
 1999-07-11  Ulrich Drepper  <drepper@cygnus.com>
 
        * Versions.def (libnss_hesiod): Add GLIBC_2.2.

diff --git a/elf/rtld.c b/elf/rtld.c
index 4146c0e..33c2626 100644 (file)
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -798,9 +798,18 @@ of this helper program; chances are you did not intend to run this program.\n\
       while (_dl_loaded->l_searchlist.r_list[i] != &_dl_rtld_map)
        ++i;
       _dl_rtld_map.l_prev = _dl_loaded->l_searchlist.r_list[i - 1];
-      _dl_rtld_map.l_next = (i + 1 < _dl_loaded->l_searchlist.r_nlist
-                            ? _dl_loaded->l_searchlist.r_list[i + 1]
-                            : NULL);
+      if (__builtin_expect (mode, normal) == normal)
+       _dl_rtld_map.l_next = (i + 1 < _dl_loaded->l_searchlist.r_nlist
+                              ? _dl_loaded->l_searchlist.r_list[i + 1]
+                              : NULL);
+      else
+       /* In trace mode there might be an invisible object (which we
+          could not find) after the previous one in the search list.
+          In this case it doesn't matter much where we put the
+          interpreter object, so we just initialize the list pointer so
+          that the assertion below holds.  */
+       _dl_rtld_map.l_next = _dl_rtld_map.l_prev->l_next;
+
       assert (_dl_rtld_map.l_prev->l_next == _dl_rtld_map.l_next);
       _dl_rtld_map.l_prev->l_next = &_dl_rtld_map;
       if (_dl_rtld_map.l_next)