Retro68/elfutils/tests/typeiter.c
Wolfgang Thaller d21be3b4e1 Add elfutils-0.170
(from https://sourceware.org/elfutils/, GPL/LGPL licensed)
2017-09-21 21:04:42 +02:00

91 lines
2.1 KiB
C

/* Copyright (C) 2012 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 <fcntl.h>
#include ELFUTILS_HEADER(dw)
#include <stdio.h>
#include <unistd.h>
#include <dwarf.h>
int
main (int argc, char *argv[])
{
for (int i = 1; i < argc; ++i)
{
int fd = open (argv[i], O_RDONLY);
Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
if (dbg != NULL)
{
Dwarf_Off off = 0;
size_t cuhl;
Dwarf_Off noff;
while (dwarf_nextcu (dbg, off, &noff, &cuhl, NULL, NULL, NULL) == 0)
{
Dwarf_Die die_mem;
Dwarf_Die *die = dwarf_offdie (dbg, off + cuhl, &die_mem);
Dwarf_Die iter_mem;
Dwarf_Die *iter = &iter_mem;
dwarf_child (die, &iter_mem);
while (1)
{
if (dwarf_tag (iter) == DW_TAG_variable)
{
Dwarf_Attribute attr_mem;
Dwarf_Die form_mem;
dwarf_formref_die (dwarf_attr (iter, DW_AT_type,
&attr_mem),
&form_mem);
}
if (dwarf_siblingof (iter, &iter_mem) != 0)
break;
}
off = noff;
}
off = 0;
uint64_t type_sig;
while (dwarf_next_unit (dbg, off, &noff, &cuhl, NULL, NULL, NULL,
NULL, &type_sig, NULL) == 0)
{
Dwarf_Die die_mem;
Dwarf_Die *die = dwarf_offdie_types (dbg, off + cuhl, &die_mem);
if (die == NULL)
printf ("fail\n");
else
printf ("ok\n");
off = noff;
}
dwarf_end (dbg);
}
close (fd);
}
}