1 files changed, 64 insertions, 0 deletions
diff --git a/libdw/dwarf_getabbrevattr.c b/libdw/dwarf_getabbrevattr.c
new file mode 100644
index 00000000..8cdf6a3d
--- /dev/null
+++ b/libdw/dwarf_getabbrevattr.c
@@ -0,0 +1,64 @@
+/* Get specific attribute of abbreviation.
+   Copyright (C) 2003, 2004, 2005 Red Hat, Inc.
+   Written by Ulrich Drepper <[email protected]>, 2003.
+
+   This program is Open Source software; you can redistribute it and/or
+   modify it under the terms of the Open Software License version 1.0 as
+   published by the Open Source Initiative.
+
+   You should have received a copy of the Open Software License along
+   with this program; if not, you may obtain a copy of the Open Software
+   License version 1.0 from http://www.opensource.org/licenses/osl.php or
+   by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
+   3001 King Ranch Road, Ukiah, CA 95482.   */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <dwarf.h>
+#include "libdwP.h"
+
+
+int
+dwarf_getabbrevattr (abbrev, idx, namep, formp, offsetp)
+     Dwarf_Abbrev *abbrev;
+     size_t idx;
+     unsigned int *namep;
+     unsigned int *formp;
+     Dwarf_Off *offsetp;
+{
+  if (abbrev == NULL)
+    return -1;
+
+  size_t cnt = 0;
+  const unsigned char *attrp = abbrev->attrp;
+  const unsigned char *start_attrp;
+  unsigned int name;
+  unsigned int form;
+
+  do
+    {
+      start_attrp = attrp;
+
+      /* Attribute code and form are encoded as ULEB128 values.  */
+      get_uleb128 (name, attrp);
+      get_uleb128 (form, attrp);
+
+      /* If both values are zero the index is out of range.  */
+      if (name == 0 && form == 0)
+	return -1;
+    }
+  while (cnt++ < idx);
+
+  /* Store the result if requested.  */
+  if (namep != NULL)
+    *namep = name;
+  if (formp != NULL)
+    *formp = form;
+  if (offsetp != NULL)
+    *offsetp = (start_attrp - abbrev->attrp) + abbrev->offset;
+
+  return 0;
+}