1 /*
2 * libfdt - Flat Device Tree manipulation
3 * Tests if an asm tree built into a shared object matches a given dtb
4 * Copyright (C) 2008 David Gibson, IBM Corporation.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <string.h>
24 #include <stdint.h>
25 #include <errno.h>
26
27 #include <dlfcn.h>
28
29 #include <libfdt.h>
30
31 #include "tests.h"
32 #include "testdata.h"
33
main(int argc,char * argv[])34 int main(int argc, char *argv[])
35 {
36 void *sohandle;
37 void *fdt;
38 int err;
39
40 test_init(argc, argv);
41 if (argc != 3)
42 CONFIG("Usage: %s <so file> <dtb file>", argv[0]);
43
44 sohandle = dlopen(argv[1], RTLD_NOW);
45 if (!sohandle)
46 FAIL("Couldn't dlopen() %s", argv[1]);
47
48 fdt = dlsym(sohandle, "dt_blob_start");
49 if (!fdt)
50 FAIL("Couldn't locate \"dt_blob_start\" symbol in %s",
51 argv[1]);
52
53 err = fdt_check_header(fdt);
54 if (err != 0)
55 FAIL("%s contains invalid tree: %s", argv[1],
56 fdt_strerror(err));
57
58 save_blob(argv[2], fdt);
59
60 PASS();
61 }
62