LCOV - code coverage report
Current view: top level - libdwfl - dwfl_nextcu.c (source / functions) Coverage Total Hit
Test: elfutils-0.193 Lines: 92.6 % 27 25
Test Date: 2025-08-30 14:31:09 Functions: 100.0 % 1 1
Legend: Lines:     hit not hit
Branches: + taken - not taken # not executed
Branches: 70.0 % 20 14

             Branch data     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                 :             : #ifdef HAVE_CONFIG_H
      30                 :             : # include <config.h>
      31                 :             : #endif
      32                 :             : 
      33                 :             : #include "libdwflP.h"
      34                 :             : 
      35                 :             : Dwarf_Die *
      36                 :       20494 : dwfl_nextcu (Dwfl *dwfl, Dwarf_Die *lastcu, Dwarf_Addr *bias)
      37                 :             : {
      38         [ -  + ]:       20494 :   if (dwfl == NULL)
      39                 :             :     return NULL;
      40                 :             : 
      41                 :       20494 :   struct dwfl_cu *cu = (struct dwfl_cu *) lastcu;
      42                 :       20494 :   Dwfl_Module *mod;
      43                 :             : 
      44         [ +  + ]:       20494 :   if (cu == NULL)
      45                 :             :     {
      46                 :         170 :       mod = dwfl->modulelist;
      47                 :         170 :       goto nextmod;
      48                 :             :     }
      49                 :             :   else
      50                 :       20324 :     mod = cu->mod;
      51                 :             : 
      52                 :       20500 :   Dwfl_Error error;
      53                 :       20500 :   do
      54                 :             :     {
      55                 :       20500 :       error = __libdwfl_nextcu (mod, cu, &cu);
      56         [ +  - ]:       20500 :       if (error != DWFL_E_NOERROR)
      57                 :             :         break;
      58                 :             : 
      59         [ +  + ]:       20500 :       if (cu != NULL)
      60                 :             :         {
      61                 :       20324 :           *bias = dwfl_adjusted_dwarf_addr (mod, 0);
      62                 :       20324 :           return &cu->die;
      63                 :             :         }
      64                 :             : 
      65                 :         182 :       do
      66                 :             :         {
      67                 :         182 :           mod = mod->next;
      68                 :             : 
      69                 :         352 :         nextmod:
      70         [ +  + ]:         352 :           if (mod == NULL)
      71                 :             :             return NULL;
      72                 :             : 
      73         [ +  - ]:         182 :           if (mod->dwerr == DWFL_E_NOERROR
      74         [ +  - ]:         182 :               && (mod->dw != NULL
      75         [ +  + ]:         182 :                   || INTUSE(dwfl_module_getdwarf) (mod, bias) != NULL))
      76                 :             :             break;
      77                 :             :         }
      78         [ +  - ]:           6 :       while (mod->dwerr == DWFL_E_NO_DWARF);
      79                 :         176 :       error = mod->dwerr;
      80                 :             :     }
      81         [ +  - ]:         176 :   while (error == DWFL_E_NOERROR);
      82                 :             : 
      83                 :           0 :   __libdwfl_seterrno (error);
      84                 :           0 :   return NULL;
      85                 :             : }
      86                 :             : INTDEF (dwfl_nextcu)
        

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