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