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       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.h"
      34                 :            : #include "cfi.h"
      35                 :            : #include <search.h>
      36                 :            : #include <stdlib.h>
      37                 :            : 
      38                 :            : 
      39                 :            : static void
      40                 :        308 : free_cie (void *arg)
      41                 :            : {
      42                 :        308 :   struct dwarf_cie *cie = arg;
      43                 :            : 
      44                 :        308 :   free ((Dwarf_Frame *) cie->initial_state);
      45                 :        308 :   free (cie);
      46                 :        308 : }
      47                 :            : 
      48                 :            : #define free_fde        free
      49                 :            : 
      50                 :            : static void
      51                 :          0 : free_expr (void *arg)
      52                 :            : {
      53                 :          0 :   struct loc_s *loc = arg;
      54                 :            : 
      55                 :          0 :   free (loc->loc);
      56                 :          0 :   free (loc);
      57                 :          0 : }
      58                 :            : 
      59                 :            : void
      60                 :            : internal_function
      61                 :        182 : __libdw_destroy_frame_cache (Dwarf_CFI *cache)
      62                 :            : {
      63                 :            :   /* Most of the data is in our three search trees.  */
      64                 :        182 :   eu_search_tree_fini (&cache->fde_tree, free_fde);
      65                 :        182 :   eu_search_tree_fini (&cache->cie_tree, free_cie);
      66                 :        182 :   eu_search_tree_fini (&cache->expr_tree, free_expr);
      67                 :            : 
      68         [ +  + ]:        182 :   if (cache->ebl != NULL && cache->ebl != (void *) -1l)
      69                 :         12 :     ebl_closebackend (cache->ebl);
      70                 :        182 : }