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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 | ||
31 | extern struct mach_header __dso_handle; | |
32 | ||
33 | ||
34 | struct 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 | ||
47 | int | |
48 | main() | |
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 |