LCOV - code coverage report
Current view: top level - libdwfl - dwfl_module_getelf.c (source / functions) Hit Total Coverage
Test: lcov.out Lines: 14 17 82.4 %
Date: 2017-01-05 09:15:16 Functions: 1 1 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* Find debugging and symbol information for a module in libdwfl.
       2             :    Copyright (C) 2009-2010 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             : #include "libdwflP.h"
      30             : 
      31             : Elf *
      32         318 : dwfl_module_getelf (Dwfl_Module *mod, GElf_Addr *loadbase)
      33             : {
      34         318 :   if (mod == NULL)
      35             :     return NULL;
      36             : 
      37         318 :   __libdwfl_getelf (mod);
      38         318 :   if (mod->elferr == DWFL_E_NOERROR)
      39             :     {
      40         309 :       if (mod->e_type == ET_REL && ! mod->main.relocated)
      41             :         {
      42             :           /* Before letting them get at the Elf handle,
      43             :              apply all the relocations we know how to.  */
      44             : 
      45          53 :           mod->main.relocated = true;
      46          53 :           if (likely (__libdwfl_module_getebl (mod) == DWFL_E_NOERROR))
      47             :             {
      48          53 :               (void) __libdwfl_relocate (mod, mod->main.elf, false);
      49             : 
      50          53 :               if (mod->debug.elf == mod->main.elf)
      51           0 :                 mod->debug.relocated = true;
      52          53 :               else if (mod->debug.elf != NULL && ! mod->debug.relocated)
      53             :                 {
      54           0 :                   mod->debug.relocated = true;
      55           0 :                   (void) __libdwfl_relocate (mod, mod->debug.elf, false);
      56             :                 }
      57             :             }
      58             :         }
      59             : 
      60         309 :       *loadbase = dwfl_adjusted_address (mod, 0);
      61         309 :       return mod->main.elf;
      62             :     }
      63             : 
      64           9 :   __libdwfl_seterrno (mod->elferr);
      65           9 :   return NULL;
      66             : }
      67             : INTDEF (dwfl_module_getelf)

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