Line data    Source code

       1             : /* Get number of attributes of abbreviation.
       2             :    Copyright (C) 2003, 2004, 2017 Red Hat, Inc.
       3             :    This file is part of elfutils.
       4             :    Written by Ulrich Drepper <drepper@redhat.com>, 2003.
       5             : 
       6             :    This file is free software; you can redistribute it and/or modify
       7             :    it under the terms of either
       8             : 
       9             :      * the GNU Lesser General Public License as published by the Free
      10             :        Software Foundation; either version 3 of the License, or (at
      11             :        your option) any later version
      12             : 
      13             :    or
      14             : 
      15             :      * the GNU General Public License as published by the Free
      16             :        Software Foundation; either version 2 of the License, or (at
      17             :        your option) any later version
      18             : 
      19             :    or both in parallel, as here.
      20             : 
      21             :    elfutils is distributed in the hope that it will be useful, but
      22             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      23             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      24             :    General Public License for more details.
      25             : 
      26             :    You should have received copies of the GNU General Public License and
      27             :    the GNU Lesser General Public License along with this program.  If
      28             :    not, see <http://www.gnu.org/licenses/>.  */
      29             : 
      30             : #ifdef HAVE_CONFIG_H
      31             : # include <config.h>
      32             : #endif
      33             : 
      34             : #include "libdwP.h"
      35             : 
      36             : 
      37             : int
      38          63 : dwarf_getattrcnt (Dwarf_Abbrev *abbrev, size_t *attrcntp)
      39             : {
      40          63 :   if (abbrev == NULL)
      41             :     return -1;
      42             : 
      43          63 :   const unsigned char *abbrevp = abbrev->attrp;
      44             : 
      45             :   /* Skip over all the attributes and count them while doing so.  */
      46          63 :   int attrcnt = 0;
      47             :   unsigned int attrname;
      48             :   unsigned int attrform;
      49             :   do
      50             :     {
      51             :       /* We can use unchecked since they were checked when the Dwrf_Abbrev
      52             :          was created.  */
      53         326 :       get_uleb128_unchecked (attrname, abbrevp);
      54         326 :       get_uleb128_unchecked (attrform, abbrevp);
      55             :     }
      56         326 :   while (attrname != 0 && attrform != 0 && ++attrcnt);
      57             : 
      58          63 :   *attrcntp = attrcnt;
      59             : 
      60          63 :   return 0;
      61             : }