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authorAndreas Schwab <schwab@redhat.com>2011-10-19 17:13:56 +0200
committerAndreas Schwab <schwab@redhat.com>2011-10-20 12:03:14 +0200
commitd45c60c2feb38d95e7ad95af6edb39a6d5afba81 (patch)
tree65fa122aaf903fb10cf2d0dd9e9faea98a5adafc /elf
parent855d156018a701b3613eb4b14ab3bd09fd12f0a3 (diff)
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Preserve link time dependencies over relocation dependencies
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-fini.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/elf/dl-fini.c b/elf/dl-fini.c
index bafc83a92f..6df80ef78e 100644
--- a/elf/dl-fini.c
+++ b/elf/dl-fini.c
@@ -100,7 +100,17 @@ _dl_sort_fini (struct link_map **maps, size_t nmaps, char *used, Lmid_t ns)
 	      /* Look through the relocation dependencies of the object.  */
 	      while (m-- > 0)
 		if (__builtin_expect (relmaps[m] == thisp, 0))
-		  goto move;
+		  {
+		    /* If a cycle exists with a link time dependency,
+		       preserve the latter.  */
+		    struct link_map **runp = thisp->l_initfini;
+		    if (runp != NULL)
+		      while (*runp != NULL)
+			if (__builtin_expect (*runp++ == maps[k], 0))
+			  goto ignore;
+		    goto move;
+		  }
+	    ignore:;
 	    }
 
 	  --k;