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/* Test program for dwarf_ranges
Copyright (C) 2015, 2018 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/>. */
#include <config.h>
#include ELFUTILS_HEADER(dw)
#include <dwarf.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <assert.h>
#include <inttypes.h>
static void
ranges_die (Dwarf_Die *die)
{
Dwarf_Addr base, start, end;
int ranges = dwarf_ranges (die, 0, &base, &start, &end);
if (ranges < 0)
puts (dwarf_errmsg (-1));
else if (ranges > 0)
{
printf ("die: %s (%x)\n", dwarf_diename (die) ?: "<unknown>",
dwarf_tag (die));
for (ptrdiff_t off = 0;
(off = dwarf_ranges (die, off, &base, &start, &end)); )
if (off == -1)
{
puts (dwarf_errmsg (-1));
break;
}
else
printf (" %"PRIx64"..%"PRIx64"\n", start, end);
printf ("\n");
}
}
static void
walk_tree (Dwarf_Die *dwarf_die)
{
Dwarf_Die die = *dwarf_die;
do
{
Dwarf_Die child;
ranges_die (&die);
if (dwarf_child (&die, &child) == 0)
walk_tree (&child);
}
while (dwarf_siblingof (&die, &die) == 0);
}
int
main (int argc, char *argv[])
{
assert (argc >= 2);
const char *name = argv[1];
int fd = open (name, O_RDONLY);
Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
Dwarf_CU *cu = NULL;
Dwarf_Die cudie, subdie;
uint8_t unit_type;
while (dwarf_get_units (dbg, cu, &cu, NULL,
&unit_type, &cudie, &subdie) == 0)
{
Dwarf_Die die = (unit_type == DW_UT_skeleton
? subdie : cudie);
walk_tree (&die);
}
dwarf_end (dbg);
return 0;
}
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