1 // SPDX-License-Identifier: LGPL-2.1-or-later
2 /*
3 * libfdt - Flat Device Tree manipulation
4 * Tests if an asm tree built into a shared object matches a given dtb
5 * Copyright (C) 2008 David Gibson, IBM Corporation.
6 */
7
8 #include <stdlib.h>
9 #include <stdio.h>
10 #include <string.h>
11 #include <stdint.h>
12 #include <errno.h>
13
14 #include <dlfcn.h>
15
16 #include <libfdt.h>
17
18 #include "tests.h"
19 #include "testdata.h"
20
main(int argc,char * argv[])21 int main(int argc, char *argv[])
22 {
23 void *sohandle;
24 void *fdt;
25 int err;
26
27 test_init(argc, argv);
28 if (argc != 3)
29 CONFIG("Usage: %s <so file> <dtb file>", argv[0]);
30
31 sohandle = dlopen(argv[1], RTLD_NOW);
32 if (!sohandle)
33 FAIL("Couldn't dlopen() %s", argv[1]);
34
35 fdt = dlsym(sohandle, "dt_blob_start");
36 if (!fdt)
37 FAIL("Couldn't locate \"dt_blob_start\" symbol in %s",
38 argv[1]);
39
40 err = fdt_check_header(fdt);
41 if (err != 0)
42 FAIL("%s contains invalid tree: %s", argv[1],
43 fdt_strerror(err));
44
45 save_blob(argv[2], fdt);
46
47 PASS();
48 }
49