Line data    Source code

       1             : /* Get return address register for frame.
       2             :    Copyright (C) 2009 Red Hat, Inc.
       3             :    This file is part of elfutils.
       4             : 
       5             :    This file is free software; you can redistribute it and/or modify
       6             :    it under the terms of either
       7             : 
       8             :      * the GNU Lesser General Public License as published by the Free
       9             :        Software Foundation; either version 3 of the License, or (at
      10             :        your option) any later version
      11             : 
      12             :    or
      13             : 
      14             :      * the GNU General Public License as published by the Free
      15             :        Software Foundation; either version 2 of the License, or (at
      16             :        your option) any later version
      17             : 
      18             :    or both in parallel, as here.
      19             : 
      20             :    elfutils is distributed in the hope that it will be useful, but
      21             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      22             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      23             :    General Public License for more details.
      24             : 
      25             :    You should have received copies of the GNU General Public License and
      26             :    the GNU Lesser General Public License along with this program.  If
      27             :    not, see <http://www.gnu.org/licenses/>.  */
      28             : 
      29             : #ifdef HAVE_CONFIG_H
      30             : # include <config.h>
      31             : #endif
      32             : 
      33             : #include "cfi.h"
      34             : 
      35             : int
      36          12 : dwarf_frame_info (Dwarf_Frame *fs, Dwarf_Addr *start, Dwarf_Addr *end,
      37             :                   bool *signalp)
      38             : {
      39             :   /* Maybe there was a previous error.  */
      40          12 :   if (fs == NULL)
      41             :     return -1;
      42             : 
      43          12 :   if (start != NULL)
      44          12 :     *start = fs->start;
      45          12 :   if (end != NULL)
      46          12 :     *end = fs->end;
      47          12 :   if (signalp != NULL)
      48          12 :     *signalp = fs->fde->cie->signal_frame;
      49          12 :   return fs->fde->cie->return_address_register;
      50             : }