1 files changed, 74 insertions, 0 deletions
diff --git a/src/libdw/dwarf_peel_type.c b/src/libdw/dwarf_peel_type.c
new file mode 100644
index 00000000..a110bc54
--- /dev/null
+++ b/src/libdw/dwarf_peel_type.c
@@ -0,0 +1,74 @@
+/* Peel type aliases and qualifier tags from a type DIE.
+   Copyright (C) 2014 Red Hat, Inc.
+   This file is part of elfutils.
+
+   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"
+#include <dwarf.h>
+#include <string.h>
+
+
+int
+dwarf_peel_type (die, result)
+     Dwarf_Die *die;
+     Dwarf_Die *result;
+{
+  int tag;
+
+  /* Ignore previous errors.  */
+  if (die == NULL)
+    return -1;
+
+  *result = *die;
+  tag = INTUSE (dwarf_tag) (result);
+  while (tag == DW_TAG_typedef
+	 || tag == DW_TAG_const_type
+	 || tag == DW_TAG_volatile_type
+	 || tag == DW_TAG_restrict_type)
+    {
+      Dwarf_Attribute attr_mem;
+      Dwarf_Attribute *attr = INTUSE (dwarf_attr_integrate) (die, DW_AT_type,
+							     &attr_mem);
+      if (attr == NULL)
+	return 1;
+
+      result = INTUSE (dwarf_formref_die) (attr, result);
+      if (result == NULL)
+	return -1;
+
+      tag = INTUSE (dwarf_tag) (result);
+    }
+
+  if (tag == DW_TAG_invalid)
+    return -1;
+
+  return 0;
+}
+INTDEF(dwarf_peel_type)