Branch data     Line data    Source code

       1                 :             : /* Determine whether a DIE covers a PC address.
       2                 :             :    Copyright (C) 2005 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 "libdwP.h"
      34                 :             : #include <dwarf.h>
      35                 :             : 
      36                 :             : 
      37                 :             : int
      38                 :        4062 : dwarf_haspc (Dwarf_Die *die, Dwarf_Addr pc)
      39                 :             : {
      40         [ +  - ]:        4062 :   if (die == NULL)
      41                 :             :     return -1;
      42                 :             : 
      43                 :             :   Dwarf_Addr base;
      44                 :             :   Dwarf_Addr begin;
      45                 :             :   Dwarf_Addr end;
      46                 :             :   ptrdiff_t offset = 0;
      47                 :       10720 :   while ((offset = INTUSE(dwarf_ranges) (die, offset, &base,
      48         [ +  + ]:        5360 :                                          &begin, &end)) > 0)
      49   [ +  +  +  + ]:        2204 :     if (pc >= begin && pc < end)
      50                 :             :       return 1;
      51                 :             : 
      52                 :        3156 :   return offset;
      53                 :             : }
      54                 :             : INTDEF (dwarf_haspc)