1 /* $NetBSD: asm_tree_dump.c,v 1.1.1.2 2017/06/08 15:59:26 skrll Exp $ */ 2 3 /* 4 * libfdt - Flat Device Tree manipulation 5 * Tests if an asm tree built into a shared object matches a given dtb 6 * Copyright (C) 2008 David Gibson, IBM Corporation. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public License 10 * as published by the Free Software Foundation; either version 2.1 of 11 * the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this library; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 #include <stdlib.h> 24 #include <stdio.h> 25 #include <string.h> 26 #include <stdint.h> 27 #include <errno.h> 28 29 #include <dlfcn.h> 30 31 #include <libfdt.h> 32 33 #include "tests.h" 34 #include "testdata.h" 35 36 int main(int argc, char *argv[]) 37 { 38 void *sohandle; 39 void *fdt; 40 int err; 41 42 test_init(argc, argv); 43 if (argc != 3) 44 CONFIG("Usage: %s <so file> <dtb file>", argv[0]); 45 46 sohandle = dlopen(argv[1], RTLD_NOW); 47 if (!sohandle) 48 FAIL("Couldn't dlopen() %s", argv[1]); 49 50 fdt = dlsym(sohandle, "dt_blob_start"); 51 if (!fdt) 52 FAIL("Couldn't locate \"dt_blob_start\" symbol in %s", 53 argv[1]); 54 55 err = fdt_check_header(fdt); 56 if (err != 0) 57 FAIL("%s contains invalid tree: %s", argv[1], 58 fdt_strerror(err)); 59 60 save_blob(argv[2], fdt); 61 62 PASS(); 63 } 64