Branch data     Line data    Source code

       1                 :            : /* Get line number of beginning of given function.
       2                 :            :    Copyright (C) 2005, 2009 Red Hat, Inc.
       3                 :            :    This file is part of elfutils.
       4                 :            :    Written by Ulrich Drepper <drepper@redhat.com>, 2005.
       5                 :            : 
       6                 :            :    This file is free software; you can redistribute it and/or modify
       7                 :            :    it under the terms of either
       8                 :            : 
       9                 :            :      * the GNU Lesser General Public License as published by the Free
      10                 :            :        Software Foundation; either version 3 of the License, or (at
      11                 :            :        your option) any later version
      12                 :            : 
      13                 :            :    or
      14                 :            : 
      15                 :            :      * the GNU General Public License as published by the Free
      16                 :            :        Software Foundation; either version 2 of the License, or (at
      17                 :            :        your option) any later version
      18                 :            : 
      19                 :            :    or both in parallel, as here.
      20                 :            : 
      21                 :            :    elfutils is distributed in the hope that it will be useful, but
      22                 :            :    WITHOUT ANY WARRANTY; without even the implied warranty of
      23                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      24                 :            :    General Public License for more details.
      25                 :            : 
      26                 :            :    You should have received copies of the GNU General Public License and
      27                 :            :    the GNU Lesser General Public License along with this program.  If
      28                 :            :    not, see <http://www.gnu.org/licenses/>.  */
      29                 :            : 
      30                 :            : #ifdef HAVE_CONFIG_H
      31                 :            : # include <config.h>
      32                 :            : #endif
      33                 :            : 
      34                 :            : #include <assert.h>
      35                 :            : #include <dwarf.h>
      36                 :            : #include <limits.h>
      37                 :            : #include "libdwP.h"
      38                 :            : 
      39                 :            : 
      40                 :            : NEW_VERSION (dwarf_decl_line, ELFUTILS_0.143)
      41                 :            : int
      42                 :        598 : dwarf_decl_line (Dwarf_Die *func, int *linep)
      43                 :            : {
      44                 :        598 :   return __libdw_attr_intval (func, linep, DW_AT_decl_line);
      45                 :            : }
      46                 :            : OLD_VERSION (dwarf_decl_line, ELFUTILS_0.122)
      47                 :            : 
      48                 :            : 
      49                 :            : int internal_function
      50                 :       1114 : __libdw_attr_intval (Dwarf_Die *die, int *linep, int attval)
      51                 :            : {
      52                 :       1114 :   Dwarf_Attribute attr_mem;
      53                 :       1114 :   Dwarf_Word line;
      54                 :            : 
      55                 :       1114 :   int res = INTUSE(dwarf_formudata) (INTUSE(dwarf_attr_integrate)
      56                 :            :                                      (die, attval, &attr_mem),
      57                 :            :                                      &line);
      58         [ +  - ]:       1114 :   if (res == 0)
      59                 :            :     {
      60         [ -  + ]:       1114 :       if (line > INT_MAX)
      61                 :            :         {
      62                 :          0 :           __libdw_seterrno (DWARF_E_INVALID_DWARF);
      63                 :          0 :           res = -1;
      64                 :            :         }
      65                 :            :       else
      66                 :       1114 :         *linep = line;
      67                 :            :     }
      68                 :            : 
      69                 :       1114 :   return res;
      70                 :            : }