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 <stdint.h> 24#include <stdio.h> // fprintf(), NULL 25#include <stdlib.h> // exit(), EXIT_SUCCESS 26#include <string.h> 27#include <dlfcn.h> 28#include <mach-o/dyld.h> 29 30#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() 31 32// libz.1.dylib should be in the shared cache 33// libz.dylib is a symlink to libz.dylib 34// we want to verify that dlopening the symlink name will use the one in the shared cache 35 36 37int main() 38{ 39 void* libzHandle = dlopen("/usr/lib/libz.dylib", RTLD_LAZY); 40 if ( libzHandle == NULL ) { 41 FAIL("shared-cache-symlink: dlopen(/usr/lib/libz.dylib, RTLD_LAZY) failed: %s", dlerror()); 42 return EXIT_SUCCESS; 43 } 44 45 // get address of strcmp() 46 void* sym = dlsym(libzHandle, "inflate"); 47 if ( sym == NULL ) { 48 FAIL("shared-cache-symlink: dlsym(handle, \"inflate\") failed"); 49 return EXIT_SUCCESS; 50 } 51 52 Dl_info info; 53 if ( dladdr(sym, &info) == 0 ) { 54 FAIL("shared-cache-symlink: dladdr(sym, xx) failed"); 55 return EXIT_SUCCESS; 56 } 57 58 const struct mach_header* mh = (struct mach_header*)info.dli_fbase; 59 if ( mh->flags & 0x80000000 ) 60 PASS("shared-cache-symlink"); 61 else 62 FAIL("shared-cache-symlink: libz.dylib not loaded from shared cache"); 63 64 return EXIT_SUCCESS; 65} 66