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-rw-r--r--elf/dl-preinit.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/elf/dl-preinit.c b/elf/dl-preinit.c
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index 0000000000..67c5edb9f3
--- /dev/null
+++ b/elf/dl-preinit.c
@@ -0,0 +1,49 @@
+/* Return the next shared object pre-initializer function not yet run.
+   Copyright (C) 1995, 1996, 1998, 1999 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
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stddef.h>
+#include <elf/ldsodefs.h>
+
+
+/* Run initializers for MAP and its dependencies, in inverse dependency
+   order (that is, leaf nodes first).  */
+
+ElfW(Addr)
+internal_function
+_dl_preinit_next (struct r_scope_elem *searchlist)
+{
+  struct link_map *l = searchlist->r_list[0];
+  ElfW(Addr) *array;
+
+  if (l->l_runcount >= l->l_preinitcount)
+    {
+      /* That were all of the constructors.  */
+      l->l_runcount = 0;
+      return 0;
+    }
+
+  /* Print a debug message if wanted.  */
+  if (_dl_debug_impcalls && l->l_runcount == 0)
+    _dl_debug_message (1, "\ncalling preinit: ",
+		       l->l_name[0] ? l->l_name : _dl_argv[0],
+		       "\n\n", NULL);
+
+  array = (ElfW(Addr) *) l->l_info[DT_PREINIT_ARRAY]->d_un.d_ptr;
+  return l->l_addr + array[l->l_runcount++];
+}