projects / apple / dyld.git / blame
| Commit | Line | Data |
|---|---|---|
| 39a8cd10 | 1 | /* |
| 412ebb8e | 2 | * Copyright (c) 2005-2009 Apple Inc. All rights reserved. |
| 39a8cd10 A |
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> | |
| 412ebb8e | 27 | #include <Availability.h> |
| 39a8cd10 A |
28 | |
| 29 | #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() | |
| 30 | ||
| 31 | ||
| 32 | typedef void* (*fooProc)(); | |
| 33 | ||
| 34 | ||
| 35 | static void notify(const struct mach_header *mh, intptr_t vmaddr_slide) | |
| 36 | { | |
| 412ebb8e A |
37 | // NSLookupSymbolInImage is only available on Mac OS X - not iPhone OS |
| 38 | #if __MAC_OS_X_VERSION_MIN_REQUIRED | |
| 39a8cd10 A |
39 | //fprintf(stderr, "mh=%p\n", mh); |
| 40 | NSLookupSymbolInImage(mh, "_bar", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_FULLY | NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR); | |
| 412ebb8e | 41 | #endif |
| 39a8cd10 A |
42 | } |
| 43 | ||
| 44 | ||
| 45 | int main() | |
| 46 | { | |
| 47 | _dyld_register_func_for_add_image(¬ify); | |
| 48 | ||
| 49 | void* handle = dlopen("libfoo.dylib", RTLD_LAZY); | |
| 50 | if ( handle == NULL ) { | |
| 51 | FAIL("dlopen(\"%s\") failed with: %s", "libfoo.dylib", dlerror()); | |
| 52 | exit(0); | |
| 53 | } | |
| 54 | ||
| 55 | fooProc fooPtr = (fooProc)dlsym(handle, "foo"); | |
| 56 | if ( fooPtr == NULL ) { | |
| 57 | FAIL("dlsym(handle, \"foo\") failed"); | |
| 58 | exit(0); | |
| 59 | } | |
| 60 | ||
| 61 | void* foosMalloc = (*fooPtr)(); | |
| 62 | //fprintf(stderr, "foo says &malloc=%p\n", foosMalloc); | |
| 63 | //fprintf(stderr, "&malloc=%p\n", &malloc); | |
| 64 | ||
| 65 | dlclose(handle); | |
| 66 | ||
| 67 | if ( foosMalloc == &malloc ) | |
| 68 | PASS("dlopen-notify-bind"); | |
| 69 | else | |
| 70 | FAIL("dlopen-notify-bind libfoo.dylib double bound"); | |
| 71 | return EXIT_SUCCESS; | |
| 72 | } |