LCOV - code coverage report
Current view: top level - libdwfl - dwfl_nextcu.c (source / functions) Hit Total Coverage
Test: lcov.out Lines: 20 22 90.9 %
Date: 2017-01-05 09:15:16 Functions: 1 1 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* Iterate through DWARF compilation units across all modules.
       2             :    Copyright (C) 2005-2010 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             : Dwarf_Die *
      32        5598 : dwfl_nextcu (Dwfl *dwfl, Dwarf_Die *lastcu, Dwarf_Addr *bias)
      33             : {
      34        5598 :   if (dwfl == NULL)
      35             :     return NULL;
      36             : 
      37        5598 :   struct dwfl_cu *cu = (struct dwfl_cu *) lastcu;
      38             :   Dwfl_Module *mod;
      39             : 
      40        5598 :   if (cu == NULL)
      41             :     {
      42          41 :       mod = dwfl->modulelist;
      43          41 :       goto nextmod;
      44             :     }
      45             :   else
      46        5557 :     mod = cu->mod;
      47             : 
      48             :   Dwfl_Error error;
      49             :   do
      50             :     {
      51        5604 :       error = __libdwfl_nextcu (mod, cu, &cu);
      52        5604 :       if (error != DWFL_E_NOERROR)
      53             :         break;
      54             : 
      55        5604 :       if (cu != NULL)
      56             :         {
      57        5557 :           *bias = dwfl_adjusted_dwarf_addr (mod, 0);
      58        5557 :           return &cu->die;
      59             :         }
      60             : 
      61             :       do
      62             :         {
      63          49 :           mod = mod->next;
      64             : 
      65             :         nextmod:
      66          90 :           if (mod == NULL)
      67             :             return NULL;
      68             : 
      69          49 :           if (mod->dwerr == DWFL_E_NOERROR
      70          49 :               && (mod->dw != NULL
      71          49 :                   || INTUSE(dwfl_module_getdwarf) (mod, bias) != NULL))
      72             :             break;
      73             :         }
      74           2 :       while (mod->dwerr == DWFL_E_NO_DWARF);
      75          47 :       error = mod->dwerr;
      76             :     }
      77          47 :   while (error == DWFL_E_NOERROR);
      78             : 
      79           0 :   __libdwfl_seterrno (error);
      80           0 :   return NULL;
      81             : }
      82             : INTDEF (dwfl_nextcu)

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