/* * Copyright (c) 2005-2009 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #include <stdio.h> // fprintf(), NULL #include <stdlib.h> // exit(), EXIT_SUCCESS #include <dlfcn.h> #include <mach-o/dyld.h> #include <Availability.h> #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() typedef void* (*fooProc)(); static void notify(const struct mach_header *mh, intptr_t vmaddr_slide) { // NSLookupSymbolInImage is only available on Mac OS X - not iPhone OS #if __MAC_OS_X_VERSION_MIN_REQUIRED //fprintf(stderr, "mh=%p\n", mh); NSLookupSymbolInImage(mh, "_bar", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_FULLY | NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR); #endif } int main() { _dyld_register_func_for_add_image(¬ify); void* handle = dlopen("libfoo.dylib", RTLD_LAZY); if ( handle == NULL ) { FAIL("dlopen(\"%s\") failed with: %s", "libfoo.dylib", dlerror()); exit(0); } fooProc fooPtr = (fooProc)dlsym(handle, "foo"); if ( fooPtr == NULL ) { FAIL("dlsym(handle, \"foo\") failed"); exit(0); } void* foosMalloc = (*fooPtr)(); //fprintf(stderr, "foo says &malloc=%p\n", foosMalloc); //fprintf(stderr, "&malloc=%p\n", &malloc); dlclose(handle); if ( foosMalloc == &malloc ) PASS("dlopen-notify-bind"); else FAIL("dlopen-notify-bind libfoo.dylib double bound"); return EXIT_SUCCESS; }