blob: 114d0d96e4ad11142b6da467c92c4115a286560b [file] [log] [blame]
/* Pedantic checking of DWARF files
Copyright (C) 2008, 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 "misc.hh"
#include "messages.hh"
#include <stdarg.h>
bool
address_aligned (uint64_t addr, uint64_t align)
{
return align < 2 || (addr % align == 0);
}
bool
necessary_alignment (uint64_t start, uint64_t length, uint64_t align)
{
return address_aligned (start + length, align) && length < align;
}
bool
supported_version (unsigned version,
size_t num_supported, locus const &loc, ...)
{
bool retval = false;
va_list ap;
va_start (ap, loc);
for (size_t i = 0; i < num_supported; ++i)
{
unsigned v = va_arg (ap, unsigned);
if (version == v)
{
retval = true;
break;
}
}
va_end (ap);
if (!retval)
wr_error (loc) << "unsupported version " << version << ".\n";
return retval;
}