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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 <stdlib.h> // EXIT_SUCCESS
24#include <stdio.h>
25#include <dlfcn.h>
26#include <mach-o/dyld.h>
27#include <mach-o/dyld_images.h>
28
29#include "test.h"
30
31extern struct mach_header __dso_handle;
32
33
34struct dyld_all_image_infos* getImageInfosFromKernel()
35{
36 task_dyld_info_data_t task_dyld_info;
37 mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
38
39 if ( task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&task_dyld_info, &count) ) {
40 FAIL("all_image_infos: task_info() failed");
41 exit(0);
42 }
43 return (struct dyld_all_image_infos*)(uintptr_t)task_dyld_info.all_image_info_addr;
44}
45
46
47int
48main()
49{
50 struct dyld_all_image_infos* info = getImageInfosFromKernel();
51 if ( info->version < 10 ) {
52 FAIL("image-count: dyld_all_image_infos is < 10");
53 exit(0);
54 }
55
56 if ( info->infoArrayCount != info->initialImageCount ) {
57 FAIL("image-count: dyld_all_image_infos.infoArrayCount != dyld_all_image_infos.initialImageCount");
58 exit(0);
59 }
60
61 void* h = dlopen("libfoo.dylib", RTLD_LAZY);
62 if ( h == NULL ) {
63 FAIL("image-count: dyld_all_image_infos is < 10");
64 exit(0);
65 }
66
67 if ( info->infoArrayCount != (info->initialImageCount+1) ) {
68 FAIL("image-count: infoArrayCount did not increment when libfoo.dylib was loaded");
69 exit(0);
70 }
71
72 dlclose(h);
73
74 if ( info->infoArrayCount != info->initialImageCount ) {
75 FAIL("image-count: infoArrayCount did not decrement when libfoo.dylib was unloaded");
76 exit(0);
77 }
78
79 PASS("image-count");
80 return EXIT_SUCCESS;
81}
82
83