1/* 2 * Copyright (c) 2008 Apple 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> // fprintf(), NULL 24#include <stdlib.h> // exit(), EXIT_SUCCESS 25#include <string.h> 26#include <dlfcn.h> 27 28#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL() 29 30// this strong A should not override weak 31// As in loaded code because of RTLD_LOCAL 32int A[] = { 10, 11, 12, 13 }; 33 34typedef int* (*getproc)(void); 35 36int main(int argc, const char* argv[]) 37{ 38 // open first object 39 void* fooHandle = dlopen("libfoo.dylib", RTLD_LOCAL); 40 if ( fooHandle == NULL ) { 41 FAIL("dlopen-RTLD_LOCAL-weak: dlopen(\"libfoo.dylib\", RTLD_LOCAL) failed: %s", dlerror()); 42 return EXIT_SUCCESS; 43 } 44 45 // open second object 46 void* barHandle = dlopen("libbar.dylib", RTLD_LOCAL); 47 if ( barHandle == NULL ) { 48 FAIL("dlopen-RTLD_LOCAL-weak: dlopen(\"libbar.dylib\", RTLD_LOCAL) failed: %s", dlerror()); 49 return EXIT_SUCCESS; 50 } 51 52 // get functions 53 getproc fooproc = (getproc)dlsym(fooHandle, "getA"); 54 if ( fooproc == NULL ) { 55 FAIL("dlopen-RTLD_LOCAL-weak: dlsym(getA) failed: %s", dlerror()); 56 return EXIT_SUCCESS; 57 } 58 getproc barproc = (getproc)dlsym(barHandle, "getA"); 59 if ( barproc == NULL ) { 60 FAIL("dlopen-RTLD_LOCAL-weak: dlsym(getA) failed: %s", dlerror()); 61 return EXIT_SUCCESS; 62 } 63 64 // get values 65 int* fooA = (*fooproc)(); 66 int* barA = (*barproc)(); 67 68 if ( fooA == A ) 69 FAIL("dlopen-RTLD_LOCAL-weak: fooA == A"); 70 else if ( barA == A ) 71 FAIL("dlopen-RTLD_LOCAL-weak: barA == A"); 72 else if ( fooA == barA ) 73 FAIL("dlopen-RTLD_LOCAL-weak: fooA == barA"); 74 else 75 PASS("dlopen-RTLD_LOCAL-weak"); 76 return EXIT_SUCCESS; 77} 78