Home | History | Annotate | Download | only in libdw
      1 /* Return string associated with given attribute.
      2    Copyright (C) 2003 Red Hat, Inc.
      3    Written by Ulrich Drepper <drepper (at) redhat.com>, 2003.
      4 
      5    This program is Open Source software; you can redistribute it and/or
      6    modify it under the terms of the Open Software License version 1.0 as
      7    published by the Open Source Initiative.
      8 
      9    You should have received a copy of the Open Software License along
     10    with this program; if not, you may obtain a copy of the Open Software
     11    License version 1.0 from http://www.opensource.org/licenses/osl.php or
     12    by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
     13    3001 King Ranch Road, Ukiah, CA 95482.   */
     14 
     15 #ifdef HAVE_CONFIG_H
     16 # include <config.h>
     17 #endif
     18 
     19 #include "libdwP.h"
     20 #include <string.h>
     21 
     22 
     23 int
     24 dwarf_haschildren (die)
     25      Dwarf_Die *die;
     26 {
     27   /* Find the abbreviation entry.  */
     28   Dwarf_Abbrev *abbrevp = die->abbrev;
     29   if (abbrevp != (Dwarf_Abbrev *) -1l)
     30     {
     31       unsigned char *readp = (unsigned char *) die->addr;
     32 
     33       /* First we have to get the abbreviation code so that we can decode
     34 	 the data in the DIE.  */
     35       unsigned int abbrev_code;
     36       get_uleb128 (abbrev_code, readp);
     37 
     38       abbrevp = __libdw_findabbrev (die->cu, abbrev_code);
     39       die->abbrev = abbrevp ?: (Dwarf_Abbrev *) -1l;
     40     }
     41   if (unlikely (die->abbrev == (Dwarf_Abbrev *) -1l))
     42     {
     43       __libdw_seterrno (DWARF_E_INVALID_DWARF);
     44       return 0;
     45     }
     46 
     47   return die->abbrev->has_children;
     48 }
     49