unit-tests/test-cases/dlopen-executable/main.c

   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 <dlfcn.h>
  26
  27 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  28
  29 typedef int (*fooproc)(void);
  30
  31 int main()
  32 {
  33         // dlopen of regular executable should fail
  34         void* handle = dlopen("./foo.exe", RTLD_LAZY);
  35         if ( handle != NULL ) {
  36                 FAIL("dlopen-executable: dlopen(\"./foo.exe\") did not fail");
  37                 return EXIT_SUCCESS;
  38         }
  39
  40         // dlopen of pie should work
  41         handle = dlopen("./foo.pie", RTLD_LAZY);
  42         if ( handle == NULL ) {
  43                 FAIL("dlopen-executable: dlopen(\"./foo.pie\") failed with: %s", dlerror());
  44                 return EXIT_SUCCESS;
  45         }
  46
  47         fooproc pfoo = (fooproc)dlsym(handle, "foo");
  48         if ( pfoo == NULL ) {
  49                 FAIL("dlopen-executable: dlsym(handle, \"foo\") failed");
  50                 return EXIT_SUCCESS;
  51         }
  52
  53         if ( (*pfoo)() != 10 ) {
  54                 FAIL("dlopen-executable: foo() != 10");
  55                 return EXIT_SUCCESS;
  56         }
  57
  58         int result = dlclose(handle);
  59         if ( result != 0 ) {
  60                 FAIL("dlopen-executable: dlclose(handle) returned %d", result);
  61                 return EXIT_SUCCESS;
  62         }
  63
  64         PASS("dlopen-executable");
  65         return EXIT_SUCCESS;
  66 }