LCOV - code coverage report
Current view: top level - libdwfl - dwfl_module_register_names.c (source / functions) Hit Total Coverage
Test: lcov.out Lines: 17 22 77.3 %
Date: 2017-01-05 09:15:16 Functions: 1 1 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* Enumerate DWARF register numbers and their names.
       2             :    Copyright (C) 2005, 2006 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             : 
      32             : int
      33          29 : dwfl_module_register_names (Dwfl_Module *mod,
      34             :                             int (*func) (void *, int, const char *,
      35             :                                          const char *, const char *,
      36             :                                          int, int),
      37             :                             void *arg)
      38             : {
      39          29 :   if (unlikely (mod == NULL))
      40             :     return -1;
      41             : 
      42          29 :   if (unlikely (mod->ebl == NULL))
      43             :     {
      44          14 :       Dwfl_Error error = __libdwfl_module_getebl (mod);
      45          14 :       if (error != DWFL_E_NOERROR)
      46             :         {
      47           0 :           __libdwfl_seterrno (error);
      48           0 :           return -1;
      49             :         }
      50             :     }
      51             : 
      52          29 :   int nregs = ebl_register_info (mod->ebl, -1, NULL, 0,
      53             :                                  NULL, NULL, NULL, NULL);
      54          29 :   int result = 0;
      55        7958 :   for (int regno = 0; regno < nregs && likely (result == 0); ++regno)
      56             :     {
      57             :       char name[32];
      58        7929 :       const char *setname = NULL;
      59        7929 :       const char *prefix = NULL;
      60        7929 :       int bits = -1;
      61        7929 :       int type = -1;
      62        7929 :       ssize_t len = ebl_register_info (mod->ebl, regno, name, sizeof name,
      63             :                                        &prefix, &setname, &bits, &type);
      64        7929 :       if (unlikely (len < 0))
      65             :         {
      66           0 :           __libdwfl_seterrno (DWFL_E_LIBEBL);
      67           0 :           result = -1;
      68           0 :           break;
      69             :         }
      70        7929 :       if (likely (len > 0))
      71             :         {
      72        6554 :           assert (len > 1);  /* Backend should never yield "".  */
      73        6554 :           result = (*func) (arg, regno, setname, prefix, name, bits, type);
      74             :         }
      75             :     }
      76             : 
      77             :   return result;
      78             : }

Generated by: LCOV version 1.12