libdw/dwarf_hasattr_integrate.c

/* Check whether DIE has specific attribute, integrating DW_AT_abstract_origin.
   Copyright (C) 2005 Red Hat, Inc.
   This file is part of Red Hat elfutils.

   Red Hat elfutils is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by the
   Free Software Foundation; version 2 of the License.

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   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.

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   with Red Hat elfutils; if not, write to the Free Software Foundation,
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   Red Hat elfutils is an included package of the Open Invention Network.
   An included package of the Open Invention Network is a package for which
   Open Invention Network licensees cross-license their patents.  No patent
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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <dwarf.h>
#include "libdwP.h"

int
dwarf_hasattr_integrate (Dwarf_Die *die, unsigned int search_name)
{
  Dwarf_Die die_mem;

  do
    {
      if (INTUSE(dwarf_hasattr) (die, search_name))
	return 1;

      Dwarf_Attribute attr_mem;
      Dwarf_Attribute *attr = INTUSE(dwarf_attr) (die, DW_AT_abstract_origin,
						  &attr_mem);
      if (attr == NULL)
	break;

      die = INTUSE(dwarf_formref_die) (attr, &die_mem);
    }
  while (die != NULL);

  return 0;
}