1/*
2 * Copyright (c) 2005 Apple Computer, 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>
24#include <stdlib.h>
25#include <mach-o/dyld.h>
26#include <Availability.h>
27
28#include "test.h" // PASS(), FAIL()
29
30///
31/// The point of this test is to load and unload a bundle and
32/// verify that the address->image cache is properly invalidated.  rdar://problem/4212667
33///
34
35typedef void (*fooProc)();
36
37// test.bundle
38void doit()
39{
40// NSCreateObjectFileImageFromMemory is only available on Mac OS X - not iPhone OS
41#if __MAC_OS_X_VERSION_MIN_REQUIRED
42	NSObjectFileImage ofi;
43	if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi) != NSObjectFileImageSuccess ) {
44		FAIL("NSCreateObjectFileImageFromFile failed");
45		exit(0);
46	}
47
48	NSModule mod = NSLinkModule(ofi,"test.bundle", NSLINKMODULE_OPTION_PRIVATE | NSLINKMODULE_OPTION_BINDNOW | NSLINKMODULE_OPTION_RETURN_ON_ERROR);
49	if ( mod == NULL ) {
50		FAIL("NSLinkModule failed");
51		exit(0);
52	}
53
54	NSSymbol sym = NSLookupSymbolInModule(mod, "_foo");
55	if ( sym == NULL ) {
56		FAIL("NSLookupSymbolInModule failed");
57		exit(0);
58	}
59
60	fooProc func = (fooProc)NSAddressOfSymbol(sym);
61	(*func)();
62
63	if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
64		FAIL("NSUnLinkModule failed");
65		exit(0);
66	}
67
68	if ( !NSDestroyObjectFileImage(ofi) ) {
69		FAIL("NSDestroyObjectFileImage failed");
70		exit(0);
71	}
72#endif
73}
74
75
76static void myRemoveImage(const struct mach_header *mh, intptr_t vmaddr_slide)
77{
78#if __MAC_OS_X_VERSION_MIN_REQUIRED
79	// calling _dyld_get_image_header_containing_address() during the remove image hook
80	// could cause dyld to not flush the address->image cache
81	_dyld_get_image_header_containing_address(mh);
82#endif
83}
84
85
86int main()
87{
88	_dyld_register_func_for_remove_image(&myRemoveImage);
89
90	doit();
91	doit();
92	doit();
93
94	PASS("bundle-reload");
95	return 0;
96}
97
98