Line data    Source code

       1             : /* Frame cache handling.
       2             :    Copyright (C) 2009, 2015 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 "../libebl/libebl.h"
      34             : #include "cfi.h"
      35             : #include <search.h>
      36             : #include <stdlib.h>
      37             : 
      38             : 
      39             : static void
      40         172 : free_cie (void *arg)
      41             : {
      42         172 :   struct dwarf_cie *cie = arg;
      43             : 
      44         172 :   free ((Dwarf_Frame *) cie->initial_state);
      45         172 :   free (cie);
      46         172 : }
      47             : 
      48             : #define free_fde        free
      49             : 
      50             : static void
      51          10 : free_expr (void *arg)
      52             : {
      53          10 :   struct loc_s *loc = arg;
      54             : 
      55          10 :   free (loc->loc);
      56          10 :   free (loc);
      57          10 : }
      58             : 
      59             : void
      60             : internal_function
      61         100 : __libdw_destroy_frame_cache (Dwarf_CFI *cache)
      62             : {
      63             :   /* Most of the data is in our two search trees.  */
      64         100 :   tdestroy (cache->fde_tree, free_fde);
      65         100 :   tdestroy (cache->cie_tree, free_cie);
      66         100 :   tdestroy (cache->expr_tree, free_expr);
      67             : 
      68         100 :   if (cache->ebl != NULL && cache->ebl != (void *) -1l)
      69           6 :     ebl_closebackend (cache->ebl);
      70         100 : }