Initial code drop of version 0.153
Change-Id: I97d4765497db839471de6b10aa612bfaca110297
diff --git a/0.153/libelf/gelf_getverneed.c b/0.153/libelf/gelf_getverneed.c
new file mode 100644
index 0000000..e82a055
--- /dev/null
+++ b/0.153/libelf/gelf_getverneed.c
@@ -0,0 +1,105 @@
+/* Get required symbol version information at the given offset.
+ Copyright (C) 1999, 2000, 2001, 2002 Red Hat, Inc.
+ This file is part of Red Hat elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ Red Hat elfutils is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by the
+ Free Software Foundation; version 2 of the License.
+
+ Red Hat elfutils 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with Red Hat elfutils; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
+
+ In addition, as a special exception, Red Hat, Inc. gives You the
+ additional right to link the code of Red Hat elfutils with code licensed
+ under any Open Source Initiative certified open source license
+ (http://www.opensource.org/licenses/index.php) which requires the
+ distribution of source code with any binary distribution and to
+ distribute linked combinations of the two. Non-GPL Code permitted under
+ this exception must only link to the code of Red Hat elfutils through
+ those well defined interfaces identified in the file named EXCEPTION
+ found in the source code files (the "Approved Interfaces"). The files
+ of Non-GPL Code may instantiate templates or use macros or inline
+ functions from the Approved Interfaces without causing the resulting
+ work to be covered by the GNU General Public License. Only Red Hat,
+ Inc. may make changes or additions to the list of Approved Interfaces.
+ Red Hat's grant of this exception is conditioned upon your not adding
+ any new exceptions. If you wish to add a new Approved Interface or
+ exception, please contact Red Hat. You must obey the GNU General Public
+ License in all respects for all of the Red Hat elfutils code and other
+ code used in conjunction with Red Hat elfutils except the Non-GPL Code
+ covered by this exception. If you modify this file, you may extend this
+ exception to your version of the file, but you are not obligated to do
+ so. If you do not wish to provide this exception without modification,
+ you must delete this exception statement from your version and license
+ this file solely under the GPL without exception.
+
+ Red Hat elfutils is an included package of the Open Invention Network.
+ An included package of the Open Invention Network is a package for which
+ Open Invention Network licensees cross-license their patents. No patent
+ license is granted, either expressly or impliedly, by designation as an
+ included package. Should you wish to participate in the Open Invention
+ Network licensing program, please visit www.openinventionnetwork.com
+ <http://www.openinventionnetwork.com>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <gelf.h>
+#include <string.h>
+
+#include "libelfP.h"
+
+
+GElf_Verneed *
+gelf_getverneed (data, offset, dst)
+ Elf_Data *data;
+ int offset;
+ GElf_Verneed *dst;
+{
+ GElf_Verneed *result;
+
+ if (data == NULL)
+ return NULL;
+
+ if (unlikely (data->d_type != ELF_T_VNEED))
+ {
+ __libelf_seterrno (ELF_E_INVALID_HANDLE);
+ return NULL;
+ }
+
+ /* It's easy to handle this type. It has the same size for 32 and
+ 64 bit objects. And fortunately the `ElfXXX_Vernaux' records
+ also have the same size. */
+ assert (sizeof (GElf_Verneed) == sizeof (Elf32_Verneed));
+ assert (sizeof (GElf_Verneed) == sizeof (Elf64_Verneed));
+ assert (sizeof (GElf_Verneed) == sizeof (Elf32_Vernaux));
+ assert (sizeof (GElf_Verneed) == sizeof (Elf64_Vernaux));
+
+ rwlock_rdlock (((Elf_Data_Scn *) data)->s->elf->lock);
+
+ /* The data is already in the correct form. Just make sure the
+ index is OK. */
+ if (unlikely (offset < 0)
+ || unlikely (offset + sizeof (GElf_Verneed) > data->d_size)
+ || unlikely (offset % sizeof (GElf_Verneed) != 0))
+ {
+ __libelf_seterrno (ELF_E_OFFSET_RANGE);
+ result = NULL;
+ }
+ else
+ result = (GElf_Verneed *) memcpy (dst, (char *) data->d_buf + offset,
+ sizeof (GElf_Verneed));
+
+ rwlock_unlock (((Elf_Data_Scn *) data)->s->elf->lock);
+
+ return result;
+}