Blame libdw/dwarf_haspc.c

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/* Determine whether a DIE covers a PC address.
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   Copyright (C) 2005 Red Hat, Inc.
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   This file is part of elfutils.
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   This file is free software; you can redistribute it and/or modify
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   it under the terms of either
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     * the GNU Lesser General Public License as published by the Free
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       Software Foundation; either version 3 of the License, or (at
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       your option) any later version
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   or
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     * the GNU General Public License as published by the Free
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       Software Foundation; either version 2 of the License, or (at
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       your option) any later version
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   or both in parallel, as here.
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   elfutils is distributed in the hope that it will be useful, but
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   WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   General Public License for more details.
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   You should have received copies of the GNU General Public License and
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   the GNU Lesser General Public License along with this program.  If
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   not, see <http://www.gnu.org/licenses/>.  */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "libdwP.h"
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#include <dwarf.h>
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int
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dwarf_haspc (Dwarf_Die *die, Dwarf_Addr pc)
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{
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  if (die == NULL)
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    return -1;
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  Dwarf_Addr base;
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  Dwarf_Addr begin;
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  Dwarf_Addr end;
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  ptrdiff_t offset = 0;
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  while ((offset = INTUSE(dwarf_ranges) (die, offset, &base,
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					 &begin, &end)) > 0)
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    if (pc >= begin && pc < end)
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      return 1;
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  return offset;
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}
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INTDEF (dwarf_haspc)