LCOV - code coverage report
Current view: top level - libdwfl - dwfl_module_dwarf_cfi.c (source / functions) Hit Total Coverage
Test: lcov.out Lines: 12 16 75.0 %
Date: 2017-01-05 09:15:16 Functions: 2 2 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* Find DWARF CFI 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             : #include "../libdw/cfi.h"
      31             : 
      32             : Dwarf_CFI *
      33             : internal_function
      34          84 : __libdwfl_set_cfi (Dwfl_Module *mod, Dwarf_CFI **slot, Dwarf_CFI *cfi)
      35             : {
      36          84 :   if (cfi != NULL && cfi->ebl == NULL)
      37             :     {
      38          55 :       Dwfl_Error error = __libdwfl_module_getebl (mod);
      39          55 :       if (error == DWFL_E_NOERROR)
      40          55 :         cfi->ebl = mod->ebl;
      41             :       else
      42             :         {
      43           0 :           if (slot == &mod->eh_cfi)
      44           0 :             INTUSE(dwarf_cfi_end) (cfi);
      45           0 :           __libdwfl_seterrno (error);
      46           0 :           return NULL;
      47             :         }
      48             :     }
      49             : 
      50          84 :   return *slot = cfi;
      51             : }
      52             : 
      53             : Dwarf_CFI *
      54          52 : dwfl_module_dwarf_cfi (Dwfl_Module *mod, Dwarf_Addr *bias)
      55             : {
      56          52 :   if (mod == NULL)
      57             :     return NULL;
      58             : 
      59          52 :   if (mod->dwarf_cfi != NULL)
      60             :     {
      61          14 :       *bias = dwfl_adjusted_dwarf_addr (mod, 0);
      62          14 :       return mod->dwarf_cfi;
      63             :     }
      64             : 
      65          38 :   return __libdwfl_set_cfi (mod, &mod->dwarf_cfi,
      66             :                             INTUSE(dwarf_getcfi)
      67             :                             (INTUSE(dwfl_module_getdwarf) (mod, bias)));
      68             : }
      69             : INTDEF (dwfl_module_dwarf_cfi)

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