Generic symbol address handling for platforms with function pointers.

1 files changed, 33 insertions, 0 deletions

diff --git a/sysdeps/generic/dl-symaddr.c b/sysdeps/generic/dl-symaddr.c
new file mode 100644
index 0000000000..3c850ca835
--- /dev/null
+++ b/sysdeps/generic/dl-symaddr.c
@@ -0,0 +1,33 @@
+/* Get the symbol address.  Generic version.
+   Copyright (C) 1999, 2000, 2001, 2003 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <ldsodefs.h>
+#include <dl-fptr.h>
+
+void *
+_dl_symbol_address (struct link_map *map, const ElfW(Sym) *ref)
+{
+  ElfW(Addr) value = (map ? map->l_addr : 0) + ref->st_value;
+
+  /* Return the pointer to function descriptor. */
+  if (ELFW(ST_TYPE) (ref->st_info) == STT_FUNC)
+    return (void *) _dl_make_fptr (map, ref, value);
+  else
+    return (void *) value;
+}