2.5-18.1

1 files changed, 38 insertions, 21 deletions

diff --git a/csu/elf-init.c b/csu/elf-init.c
index d4e0b3f..d0a518f 100644
--- a/csu/elf-init.c
+++ b/csu/elf-init.c
@@ -1,5 +1,5 @@
 /* Startup support for ELF initializers/finalizers in the main executable.
-   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -36,16 +36,37 @@
 
 #include <stddef.h>
 
-#ifdef HAVE_INITFINI_ARRAY
+
 /* These magic symbols are provided by the linker.  */
-extern void (*__preinit_array_start []) (void) attribute_hidden;
-extern void (*__preinit_array_end []) (void) attribute_hidden;
-extern void (*__init_array_start []) (void) attribute_hidden;
-extern void (*__init_array_end []) (void) attribute_hidden;
+extern void (*__preinit_array_start []) (int, char **, char **)
+  attribute_hidden;
+extern void (*__preinit_array_end []) (int, char **, char **)
+  attribute_hidden;
+extern void (*__init_array_start []) (int, char **, char **)
+  attribute_hidden;
+extern void (*__init_array_end []) (int, char **, char **)
+  attribute_hidden;
 extern void (*__fini_array_start []) (void) attribute_hidden;
 extern void (*__fini_array_end []) (void) attribute_hidden;
+
+#if defined HAVE_VISIBILITY_ATTRIBUTE \
+    && (defined SHARED || defined LIBC_NONSHARED)
+# define hidden_undef_2(x) #x
+# define hidden_undef_1(x) hidden_undef_2 (x)
+# define hidden_undef(x) \
+  __asm (hidden_undef_1 (ASM_GLOBAL_DIRECTIVE) " " #x); \
+  __asm (".hidden " #x);
+#else
+# define hidden_undef(x)
 #endif
 
+hidden_undef (__preinit_array_start)
+hidden_undef (__preinit_array_end)
+hidden_undef (__init_array_start)
+hidden_undef (__init_array_end)
+hidden_undef (__fini_array_start)
+hidden_undef (__fini_array_end)
+
 /* These function symbols are provided for the .init/.fini section entry
    points automagically by the linker.  */
 extern void _init (void);
@@ -57,43 +78,39 @@ extern void _fini (void);
    the libc.a module in that it doesn't call the preinit array.  */
 
 void
-__libc_csu_init (void)
+__libc_csu_init (int argc, char **argv, char **envp)
 {
-#ifdef HAVE_INITFINI_ARRAY
   /* For dynamically linked executables the preinit array is executed by
      the dynamic linker (before initializing any shared object.  */
 
-# ifndef LIBC_NONSHARED
+#ifndef LIBC_NONSHARED
   /* For static executables, preinit happens rights before init.  */
   {
     const size_t size = __preinit_array_end - __preinit_array_start;
     size_t i;
     for (i = 0; i < size; i++)
-      (*__preinit_array_start [i]) ();
+      (*__preinit_array_start [i]) (argc, argv, envp);
   }
-# endif
 #endif
 
   _init ();
 
-#ifdef HAVE_INITFINI_ARRAY
-  {
-    const size_t size = __init_array_end - __init_array_start;
-    size_t i;
-    for (i = 0; i < size; i++)
-      (*__init_array_start [i]) ();
-  }
-#endif
+  const size_t size = __init_array_end - __init_array_start;
+  for (size_t i = 0; i < size; i++)
+      (*__init_array_start [i]) (argc, argv, envp);
 }
 
+/* This function should not be used anymore.  We run the executable's
+   destructor now just like any other.  We cannot remove the function,
+   though.  */
 void
 __libc_csu_fini (void)
 {
-#ifdef HAVE_INITFINI_ARRAY
+#ifndef LIBC_NONSHARED
   size_t i = __fini_array_end - __fini_array_start;
   while (i-- > 0)
     (*__fini_array_start [i]) ();
-#endif
 
   _fini ();
+#endif
 }