Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/libdw/dwarf_getattrcnt.c b/libdw/dwarf_getattrcnt.c
new file mode 100644
index 0000000..a05976d
--- /dev/null
+++ b/libdw/dwarf_getattrcnt.c
@@ -0,0 +1,61 @@
+/* Get number of attributes of abbreviation.
+ Copyright (C) 2003, 2004, 2017 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ 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 "libdwP.h"
+
+
+int
+dwarf_getattrcnt (Dwarf_Abbrev *abbrev, size_t *attrcntp)
+{
+ if (abbrev == NULL)
+ return -1;
+
+ const unsigned char *abbrevp = abbrev->attrp;
+
+ /* Skip over all the attributes and count them while doing so. */
+ int attrcnt = 0;
+ unsigned int attrname;
+ unsigned int attrform;
+ do
+ {
+ /* We can use unchecked since they were checked when the Dwrf_Abbrev
+ was created. */
+ get_uleb128_unchecked (attrname, abbrevp);
+ get_uleb128_unchecked (attrform, abbrevp);
+ }
+ while (attrname != 0 && attrform != 0 && ++attrcnt);
+
+ *attrcntp = attrcnt;
+
+ return 0;
+}