Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/libelf/gelf_getmove.c b/libelf/gelf_getmove.c
new file mode 100644
index 0000000..18efedc
--- /dev/null
+++ b/libelf/gelf_getmove.c
@@ -0,0 +1,79 @@
+/* Get move structure at the given index.
+ Copyright (C) 2000, 2001, 2002, 2005, 2009, 2014, 2015 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2000.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ 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 copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <gelf.h>
+#include <stddef.h>
+
+#include "libelfP.h"
+
+
+GElf_Move *
+gelf_getmove (Elf_Data *data, int ndx, GElf_Move *dst)
+{
+ GElf_Move *result = NULL;
+ Elf *elf;
+
+ if (data == NULL)
+ return NULL;
+
+ if (unlikely (data->d_type != ELF_T_MOVE))
+ {
+ __libelf_seterrno (ELF_E_INVALID_HANDLE);
+ return NULL;
+ }
+
+ /* The types for 32 and 64 bit are the same. Lucky us. */
+ assert (sizeof (GElf_Move) == sizeof (Elf32_Move));
+ assert (sizeof (GElf_Move) == sizeof (Elf64_Move));
+
+ /* The data is already in the correct form. Just make sure the
+ index is OK. */
+ if (INVALID_NDX (ndx, GElf_Move, data))
+ {
+ __libelf_seterrno (ELF_E_INVALID_INDEX);
+ goto out;
+ }
+
+ elf = ((Elf_Data_Scn *) data)->s->elf;
+ rwlock_rdlock (elf->lock);
+
+ *dst = ((GElf_Move *) data->d_buf)[ndx];
+
+ rwlock_unlock (elf->lock);
+
+ result = dst;
+
+ out:
+ return result;
+}