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 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
