Index: emacs-24.5/src/emacs.c
===================================================================
--- emacs-24.5.orig/src/emacs.c
+++ emacs-24.5/src/emacs.c
@@ -723,6 +723,26 @@ main (int argc, char **argv)
   stack_base = &dummy;
 #endif
 
+#if defined HAVE_PERSONALITY_LINUX32 && defined __PPC64__
+  /* This code partly duplicates the HAVE_PERSONALITY_LINUX32 code
+     below.  This duplication is planned to be fixed in a later
+     Emacs release.  */
+# define ADD_NO_RANDOMIZE 0x0040000
+  int pers = personality (0xffffffff);
+  if (! (pers & ADD_NO_RANDOMIZE)
+      && 0 <= personality (pers | ADD_NO_RANDOMIZE))
+    {
+      /* Address randomization was enabled, but is now disabled.
+	 Re-execute Emacs to get a clean slate.  */
+      execvp (argv[0], argv);
+
+      /* If the exec fails, warn the user and then try without a
+	 clean slate.  */
+      perror (argv[0]);
+    }
+# undef ADD_NO_RANDOMIZE
+#endif
+
 #ifdef G_SLICE_ALWAYS_MALLOC
   /* This is used by the Cygwin build.  It's not needed starting with
      cygwin-1.7.24, but it doesn't do any harm.  */
@@ -833,7 +853,7 @@ main (int argc, char **argv)
   dumping = !initialized && (strcmp (argv[argc - 1], "dump") == 0
 			     || strcmp (argv[argc - 1], "bootstrap") == 0);
 
-#ifdef HAVE_PERSONALITY_LINUX32
+#if defined HAVE_PERSONALITY_LINUX32 && !defined __PPC64__
   if (dumping && ! getenv ("EMACS_HEAP_EXEC"))
     {
       /* Set this so we only do this once.  */
@@ -850,7 +870,7 @@ main (int argc, char **argv)
       /* If the exec fails, try to dump anyway.  */
       emacs_perror (argv[0]);
     }
-#endif /* HAVE_PERSONALITY_LINUX32 */
+#endif
 
 #if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK)
   /* Extend the stack space available.
Index: emacs-24.5/src/gmalloc.c
===================================================================
--- emacs-24.5.orig/src/gmalloc.c
+++ emacs-24.5/src/gmalloc.c
@@ -42,6 +42,16 @@ License along with this library.  If not
 extern void emacs_abort (void);
 #endif
 
+#undef malloc
+#undef realloc
+#undef calloc
+#undef free
+#define malloc gmalloc
+#define realloc grealloc
+#define calloc gcalloc
+#define aligned_alloc galigned_alloc
+#define free gfree
+
 #ifdef	__cplusplus
 extern "C"
 {
@@ -1747,6 +1757,42 @@ valloc (size_t size)
   return aligned_alloc (pagesize, size);
 }
 
+#undef malloc
+#undef realloc
+#undef calloc
+#undef aligned_alloc
+#undef free
+
+void *
+malloc (size_t size)
+{
+  return gmalloc (size);
+}
+
+void *
+calloc (size_t nmemb, size_t size)
+{
+  return gcalloc (nmemb, size);
+}
+
+void
+free (void *ptr)
+{
+  gfree (ptr);
+}
+
+void *
+aligned_alloc (size_t alignment, size_t size)
+{
+  return galigned_alloc (alignment, size);
+}
+
+void *
+realloc (void *ptr, size_t size)
+{
+  return grealloc (ptr, size);
+}
+
 #ifdef GC_MCHECK
 
 /* Standard debugging hooks for `malloc'.