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       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                 :             : }