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        1384 : dwarf_haspc (Dwarf_Die *die, Dwarf_Addr pc)
      39             : {
      40        1384 :   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        1817 :   while ((offset = INTUSE(dwarf_ranges) (die, offset, &base,
      48             :                                          &begin, &end)) > 0)
      49         752 :     if (pc >= begin && pc < end)
      50             :       return 1;
      51             : 
      52        1065 :   return offset;
      53             : }
      54             : INTDEF (dwarf_haspc)