1/* 2 * Copyright (c) 2010 Apple Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23#include <stdio.h> // fprintf(), NULL 24#include <stdlib.h> // exit(), EXIT_SUCCESS 25#include <dlfcn.h> 26#include <mach-o/dyld.h> 27#include <mach-o/dyld_images.h> 28#include <mach/mach.h> 29 30#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() 31 32static uintptr_t libSystemSlide() 33{ 34 Dl_info info; 35 if ( dladdr(&malloc, &info) == 0 ) { 36 FAIL("all_image_infos-cache-slide: dladdr(&malloc, xx) failed"); 37 exit(0); 38 } 39 40 const struct mach_header* mallocMh = (struct mach_header*)info.dli_fbase; 41 if ( (mallocMh->flags & 0x80000000) == 0 ) { 42 FAIL("all_image_infos-cache-slide: image containing _malloc not in shared cache"); 43 exit(0); 44 } 45 46 int count = _dyld_image_count(); 47 for(int i=0; i < count; ++i) { 48 if ( mallocMh == _dyld_get_image_header(i) ) { 49 return _dyld_get_image_vmaddr_slide(i); 50 } 51 } 52 53 FAIL("all_image_infos-cache-slide: slide of image containing _malloc not found"); 54 exit(0); 55} 56 57 58int main(int argc, const char* argv[]) 59{ 60 task_dyld_info_data_t task_dyld_info; 61 mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT; 62 63 if ( task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&task_dyld_info, &count) ) { 64 FAIL("all_image_infos-cache-slide: task_info() failed"); 65 return 0; 66 } 67 struct dyld_all_image_infos* infos = (struct dyld_all_image_infos*)(uintptr_t)task_dyld_info.all_image_info_addr; 68 69 if ( infos->version < 12 ) { 70 FAIL("all_image_infos-cache-slide: version < 12"); 71 return 0; 72 } 73 74 if ( libSystemSlide() != infos->sharedCacheSlide ) { 75 FAIL("all_image_infos-cache-slide: dyld infos sharedCacheSlide (0x%08X) does not match computed slide (0x%08X)", 76 infos->sharedCacheSlide, libSystemSlide()); 77 return 0; 78 } 79 80 PASS("all_image_infos-cache-slide"); 81 return EXIT_SUCCESS; 82} 83