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       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                 :         98 : dwfl_module_getelf (Dwfl_Module *mod, GElf_Addr *loadbase)
      33                 :            : {
      34         [ +  - ]:         98 :   if (mod == NULL)
      35                 :            :     return NULL;
      36                 :            : 
      37                 :         98 :   __libdwfl_getelf (mod);
      38         [ +  + ]:         98 :   if (mod->elferr == DWFL_E_NOERROR)
      39                 :            :     {
      40 [ +  + ][ +  - ]:         91 :       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                 :         27 :           mod->main.relocated = true;
      46         [ +  - ]:         27 :           if (likely (__libdwfl_module_getebl (mod) == DWFL_E_NOERROR))
      47                 :            :             {
      48                 :         27 :               (void) __libdwfl_relocate (mod, mod->main.elf, false);
      49                 :            : 
      50         [ -  + ]:         27 :               if (mod->debug.elf == mod->main.elf)
      51                 :          0 :                 mod->debug.relocated = true;
      52 [ -  + ][ #  # ]:         27 :               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                 :         91 :       *loadbase = dwfl_adjusted_address (mod, 0);
      61                 :         91 :       return mod->main.elf;
      62                 :            :     }
      63                 :            : 
      64                 :          7 :   __libdwfl_seterrno (mod->elferr);
      65                 :         98 :   return NULL;
      66                 :            : }
      67                 :         91 : INTDEF (dwfl_module_getelf)