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/* Pedantic checking of DWARF files
Copyright (C) 2009,2010,2011 Red Hat, Inc.
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
elfutils is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "highlevel_check.hh"
#include "check_debug_loc_range.hh"
#include "check_debug_aranges.hh"
using elfutils::dwarf;
namespace
{
class check_matching_ranges
: public highlevel_check<check_matching_ranges>
{
public:
static checkdescriptor const *descriptor () {
static checkdescriptor cd
(checkdescriptor::create ("check_matching_ranges")
.description (
"Check that the ranges in .debug_aranges and .debug_ranges match.\n"));
return &cd;
}
check_matching_ranges (checkstack &stack, dwarflint &lint);
};
reg<check_matching_ranges> reg_matching_ranges;
}
check_matching_ranges::check_matching_ranges (checkstack &stack,
dwarflint &lint)
: highlevel_check<check_matching_ranges> (stack, lint)
{
lint.check<check_debug_ranges> (stack);
lint.check<check_debug_aranges> (stack);
try
{
char buf[128];
const dwarf::aranges_map &aranges = dw.aranges ();
for (dwarf::aranges_map::const_iterator i = aranges.begin ();
i != aranges.end (); ++i)
{
const dwarf::compile_unit &cu = i->first;
cudie_locus where_ref (cu);
loc_range_locus where_r (sec_ranges, where_ref);
arange_locus where_ar (where_ref);
std::set<dwarf::ranges::key_type>
cu_aranges = i->second,
cu_ranges = cu.ranges ();
typedef std::vector <dwarf::arange_list::value_type>
range_vec;
range_vec missing;
std::back_insert_iterator <range_vec> i_missing (missing);
std::set_difference (cu_aranges.begin (), cu_aranges.end (),
cu_ranges.begin (), cu_ranges.end (),
i_missing);
for (range_vec::iterator it = missing.begin ();
it != missing.end (); ++it)
wr_message (where_r, mc_ranges | mc_aranges | mc_impact_3)
<< "missing range "
<< range_fmt (buf, sizeof buf, it->first, it->second)
<< ", present in .debug_aranges." << std::endl;
missing.clear ();
std::set_difference (cu_ranges.begin (), cu_ranges.end (),
cu_aranges.begin (), cu_aranges.end (),
i_missing);
for (range_vec::iterator it = missing.begin ();
it != missing.end (); ++it)
wr_message (where_ar, mc_ranges | mc_aranges | mc_impact_3)
<< "missing range "
<< range_fmt (buf, sizeof buf, it->first, it->second)
<< ", present in .debug_ranges." << std::endl;
}
}
// XXX more specific class when <dwarf> has it
catch (std::runtime_error &exc)
{
wr_error (section_locus (sec_info))
<< "Exception while checking matching ranges: " << exc.what ()
<< std::endl;
throw check_base::failed ();
}
}
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