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.
84 lines
2.1 KiB
84 lines
2.1 KiB
/* Test program for dwarf_aggregate_size. Prints size of top-level vars.
|
|
Copyright (C) 2014 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 <assert.h>
|
|
#include <argp.h>
|
|
#include <inttypes.h>
|
|
#include <fcntl.h>
|
|
#include ELFUTILS_HEADER(dw)
|
|
#include ELFUTILS_HEADER(dwfl)
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <dwarf.h>
|
|
|
|
void
|
|
print_var_type_size (Dwarf_Die *var)
|
|
{
|
|
Dwarf_Attribute attr_mem;
|
|
Dwarf_Die type_mem;
|
|
Dwarf_Die *type;
|
|
const char *name = dwarf_diename (var);
|
|
|
|
type = dwarf_formref_die (dwarf_attr (var, DW_AT_type, &attr_mem),
|
|
&type_mem);
|
|
if (type != NULL)
|
|
{
|
|
Dwarf_Word size;
|
|
if (dwarf_aggregate_size (type, &size) < 0)
|
|
printf ("%s no size: %s\n", name, dwarf_errmsg (-1));
|
|
else
|
|
printf ("%s size %" PRIu64 "\n", name, size);
|
|
}
|
|
else
|
|
printf ("%s has no type.\n", name);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
|
|
int remaining;
|
|
Dwfl *dwfl;
|
|
(void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining,
|
|
&dwfl);
|
|
assert (dwfl != NULL);
|
|
|
|
Dwarf_Die *cu = NULL;
|
|
Dwarf_Addr dwbias;
|
|
while ((cu = dwfl_nextcu (dwfl, cu, &dwbias)) != NULL)
|
|
{
|
|
Dwarf_Die die_mem;
|
|
Dwarf_Die *die = &die_mem;
|
|
dwarf_child (cu, &die_mem);
|
|
|
|
while (1)
|
|
{
|
|
if (dwarf_tag (die) == DW_TAG_variable)
|
|
print_var_type_size (die);
|
|
|
|
if (dwarf_siblingof (die, &die_mem) != 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
dwfl_end (dwfl);
|
|
}
|