Line data    Source code

       1             : /* Compute frame state at PC.
       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        4944 : dwarf_cfi_addrframe (Dwarf_CFI *cache, Dwarf_Addr address, Dwarf_Frame **frame)
      37             : {
      38             :   /* Maybe there was a previous error.  */
      39        4944 :   if (cache == NULL)
      40             :     return -1;
      41             : 
      42        4875 :   struct dwarf_fde *fde = __libdw_find_fde (cache, address);
      43        4875 :   if (fde == NULL)
      44             :     return -1;
      45             : 
      46        4753 :   int error = __libdw_frame_at_address (cache, fde, address, frame);
      47        4753 :   if (error != DWARF_E_NOERROR)
      48             :     {
      49           0 :       __libdw_seterrno (error);
      50           0 :       return -1;
      51             :     }
      52             :   return 0;
      53             : }
      54             : INTDEF (dwarf_cfi_addrframe)