unit-tests/test-cases/bundle-memory-load-malloc/main.c

   1 /*
   2  * Copyright (c) 2005-2009 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>
  24 #include <stdbool.h>
  25 #include <mach-o/dyld.h>
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <sys/mman.h>
  29 #include <unistd.h>
  30 #include <fcntl.h>
  31 #include <malloc/malloc.h>
  32 #include <stdlib.h>
  33 #include <Availability.h>
  34
  35
  36 #include "test.h" // PASS(), FAIL()
  37
  38 typedef bool (*CheckFunc)();
  39
  40 int main()
  41 {
  42 // NSCreateObjectFileImageFromMemory is only available on Mac OS X - not iPhone OS
  43 #if __MAC_OS_X_VERSION_MIN_REQUIRED
  44         int fd = open("test.bundle", O_RDONLY, 0);
  45         if ( fd == -1 ) {
  46                 FAIL("open() failed");
  47                 return 1;
  48         }
  49
  50         struct stat stat_buf;
  51         if ( fstat(fd, &stat_buf) == -1) {
  52                 FAIL("fstat() failed");
  53                 return 1;
  54         }
  55
  56         void* loadAddress = malloc((stat_buf.st_size+4095) & (-4096));
  57         if ( loadAddress == NULL ) {
  58                 FAIL("malloc failed");
  59                 return 1;
  60         }
  61
  62         if ( pread(fd, loadAddress, stat_buf.st_size, 0) != stat_buf.st_size ) {
  63                 FAIL("pread() failed");
  64                 return 1;
  65         }
  66
  67         //void* loadAddress2 = mmap(NULL, stat_buf.st_size, PROT_READ, MAP_FILE | MAP_PRIVATE, fd, 0);
  68         close(fd);
  69
  70         NSObjectFileImage ofi;
  71         if ( NSCreateObjectFileImageFromMemory(loadAddress, stat_buf.st_size, &ofi) != NSObjectFileImageSuccess ) {
  72                 FAIL("NSCreateObjectFileImageFromMemory failed");
  73                 return 1;
  74         }
  75
  76         NSModule mod = NSLinkModule(ofi, "he_he", NSLINKMODULE_OPTION_NONE);
  77         if ( mod == NULL ) {
  78                 FAIL("NSLinkModule failed");
  79                 return 1;
  80         }
  81
  82         NSSymbol sym = NSLookupSymbolInModule(mod, "_checkdata");
  83         if ( sym == NULL ) {
  84                 FAIL("NSLookupSymbolInModule failed");
  85                 return 1;
  86         }
  87
  88         CheckFunc func = NSAddressOfSymbol(sym);
  89         if ( !func() ) {
  90                 FAIL("NSAddressOfSymbol failed");
  91                 return 1;
  92         }
  93
  94         if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
  95                 FAIL("NSUnLinkModule failed");
  96                 return 1;
  97         }
  98
  99         if ( !NSDestroyObjectFileImage(ofi) ) {
 100                 FAIL("NSDestroyObjectFileImage failed");
 101                 return 1;
 102         }
 103         //fprintf(stderr, "loadAddress=%p\n", loadAddress);
 104         //fprintf(stderr, "malloc_size(loadAddress) => 0x%08X\n", malloc_size(loadAddress));
 105         //fprintf(stderr, "loadAddress2=%p\n", loadAddress2);
 106         //fprintf(stderr, "malloc_size(loadAddress2) => 0x%08X\n", malloc_size(loadAddress2));
 107
 108
 109         //free(loadAddress);
 110         //fprintf(stderr, "malloc_size(loadAddress) => 0x%08X\n", malloc_size(loadAddress));
 111         if ( malloc_size(loadAddress) != 0 ) {
 112                 FAIL("malloc_size(loadAddress) => 0x%08X", malloc_size(loadAddress));
 113                 FAIL("malloc still thinks it owns this block");
 114                 return 1;
 115         }
 116
 117         // Should check that loadAddress is unmmaped now (by call to NSDestroyObjectFileImage)
 118 #endif
 119
 120         PASS("bundle-memory-load-malloc");
 121         return 0;
 122 }