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fix from Bernd Schmidt to make sure _dl_debug_state isnt optimized away and does not generate relocs

Mike Frysinger 18 år sedan
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7dd268d273
1 ändrade filer med 6 tillägg och 1 borttagningar
  1. 6 1
      ldso/ldso/ldso.c

+ 6 - 1
ldso/ldso/ldso.c

@@ -75,8 +75,13 @@ static int _dl_suid_ok(void);
  * address mapping is changed in some way.
  */
 void _dl_debug_state(void);
-void _dl_debug_state()
+rtld_hidden_proto(_dl_debug_state, noinline);
+void _dl_debug_state(void)
 {
+	/* Make sure GCC doesn't recognize this function as pure, to avoid
+	 * having the calls optimized away.
+	 */
+	__asm__("");
 }
 
 static unsigned char *_dl_malloc_addr = 0;	/* Lets _dl_malloc use the already allocated memory page */