You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
2.2 KiB
91 lines
2.2 KiB
/* 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;
|
|
}
|