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          11 : module_callback (Dwfl_Module *mod, void **userdata,
      45             :                  const char *name, Dwarf_Addr start, void *arg)
      46             : {
      47          11 :   const struct module_callback_info *info = arg;
      48          11 :   Dwarf_Addr bias = 0;
      49          11 :   Dwarf *dw = INTUSE(dwfl_module_getdwarf) (mod, &bias);
      50          11 :   return (*info->callback) (mod, userdata, name, start, dw, bias, info->arg);
      51             : }
      52             : 
      53             : ptrdiff_t
      54          11 : 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          11 :   struct module_callback_info info = { callback, arg };
      62          11 :   return INTUSE(dwfl_getmodules) (dwfl, &module_callback, &info, offset);
      63             : }