/* * Copyright (c) 2005 Apple Computer, 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> #include <stdlib.h> #include <mach-o/dyld.h> #include <Availability.h> #include "test.h" // PASS(), FAIL() /// /// The point of this test is to load and unload a bundle and /// verify that the address->image cache is properly invalidated. rdar://problem/4212667 /// typedef void (*fooProc)(); // test.bundle void doit() { // NSCreateObjectFileImageFromMemory is only available on Mac OS X - not iPhone OS #if __MAC_OS_X_VERSION_MIN_REQUIRED NSObjectFileImage ofi; if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi) != NSObjectFileImageSuccess ) { FAIL("NSCreateObjectFileImageFromFile failed"); exit(0); } NSModule mod = NSLinkModule(ofi,"test.bundle", NSLINKMODULE_OPTION_PRIVATE | NSLINKMODULE_OPTION_BINDNOW | NSLINKMODULE_OPTION_RETURN_ON_ERROR); if ( mod == NULL ) { FAIL("NSLinkModule failed"); exit(0); } NSSymbol sym = NSLookupSymbolInModule(mod, "_foo"); if ( sym == NULL ) { FAIL("NSLookupSymbolInModule failed"); exit(0); } fooProc func = (fooProc)NSAddressOfSymbol(sym); (*func)(); if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) { FAIL("NSUnLinkModule failed"); exit(0); } if ( !NSDestroyObjectFileImage(ofi) ) { FAIL("NSDestroyObjectFileImage failed"); exit(0); } #endif } static void myRemoveImage(const struct mach_header *mh, intptr_t vmaddr_slide) { #if __MAC_OS_X_VERSION_MIN_REQUIRED // calling _dyld_get_image_header_containing_address() during the remove image hook // could cause dyld to not flush the address->image cache _dyld_get_image_header_containing_address(mh); #endif } int main() { _dyld_register_func_for_remove_image(&myRemoveImage); doit(); doit(); doit(); PASS("bundle-reload"); return 0; }