Line data    Source code

       1              : /* Iterate through modules to fetch Dwarf information.
       2              :    Copyright (C) 2005, 2008 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 "libdwflP.h"
      34              : 
      35              : struct module_callback_info
      36              : {
      37              :   int (*callback) (Dwfl_Module *, void **,
      38              :                    const char *, Dwarf_Addr,
      39              :                    Dwarf *, Dwarf_Addr, void *);
      40              :   void *arg;
      41              : };
      42              : 
      43              : static int
      44           22 : module_callback (Dwfl_Module *mod, void **userdata,
      45              :                  const char *name, Dwarf_Addr start, void *arg)
      46              : {
      47           22 :   const struct module_callback_info *info = arg;
      48           22 :   Dwarf_Addr bias = 0;
      49           22 :   Dwarf *dw = INTUSE(dwfl_module_getdwarf) (mod, &bias);
      50           22 :   return (*info->callback) (mod, userdata, name, start, dw, bias, info->arg);
      51              : }
      52              : 
      53              : ptrdiff_t
      54           22 : dwfl_getdwarf (Dwfl *dwfl,
      55              :                int (*callback) (Dwfl_Module *, void **,
      56              :                                 const char *, Dwarf_Addr,
      57              :                                 Dwarf *, Dwarf_Addr, void *),
      58              :                void *arg,
      59              :                ptrdiff_t offset)
      60              : {
      61           22 :   struct module_callback_info info = { callback, arg };
      62           22 :   return INTUSE(dwfl_getmodules) (dwfl, &module_callback, &info, offset);
      63              : }