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-rw-r--r--elf/dl-symbol.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/elf/dl-symbol.c b/elf/dl-symbol.c
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+++ b/elf/dl-symbol.c
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+/* Look up a symbol's run-time value in the scope of a loaded object.
+Copyright (C) 1995, 1996 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <stddef.h>
+#include <link.h>
+
+/* Look up symbol NAME in MAP's scope and return its run-time address.  */
+
+ElfW(Addr)
+_dl_symbol_value (struct link_map *map, const char *name)
+{
+  ElfW(Addr) loadbase;
+  const ElfW(Sym) *ref = NULL;
+  struct link_map *scope[2] = { map, NULL };
+  loadbase = _dl_lookup_symbol (name, &ref, scope, map->l_name, 0, 0);
+  return loadbase + ref->st_value;
+}