1 files changed, 90 insertions, 0 deletions
diff --git a/libdw/dwarf_offdie.c b/libdw/dwarf_offdie.c
new file mode 100644
index 00000000..b5dd405d
--- /dev/null
+++ b/libdw/dwarf_offdie.c
@@ -0,0 +1,90 @@
+/* Return DIE at given offset.
+   Copyright (C) 2002-2010 Red Hat, Inc.
+   This file is part of elfutils.
+   Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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 <string.h>
+#include "libdwP.h"
+
+
+Dwarf_Die *
+internal_function
+__libdw_offdie (Dwarf *dbg, Dwarf_Off offset, Dwarf_Die *result,
+		bool debug_types)
+{
+  if (dbg == NULL)
+    return NULL;
+
+  Elf_Data *const data = dbg->sectiondata[debug_types ? IDX_debug_types
+					  : IDX_debug_info];
+  if (offset >= data->d_size)
+    {
+      __libdw_seterrno (DWARF_E_INVALID_DWARF);
+      return NULL;
+    }
+
+  /* Clear the entire DIE structure.  This signals we have not yet
+     determined any of the information.  */
+  memset (result, '\0', sizeof (Dwarf_Die));
+
+  result->addr = (char *) data->d_buf + offset;
+
+  /* Get the CU.  */
+  result->cu = __libdw_findcu (dbg, offset, debug_types);
+  if (result->cu == NULL)
+    {
+      /* This should never happen.  The input file is malformed.  */
+      __libdw_seterrno (DWARF_E_INVALID_DWARF);
+      result = NULL;
+    }
+
+  return result;
+}
+
+
+Dwarf_Die *
+dwarf_offdie (dbg, offset, result)
+     Dwarf *dbg;
+     Dwarf_Off offset;
+     Dwarf_Die *result;
+{
+  return __libdw_offdie (dbg, offset, result, false);
+}
+INTDEF(dwarf_offdie)
+
+Dwarf_Die *
+dwarf_offdie_types (dbg, offset, result)
+     Dwarf *dbg;
+     Dwarf_Off offset;
+     Dwarf_Die *result;
+{
+  return __libdw_offdie (dbg, offset, result, true);
+}