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

   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 <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
  34
  35 #include "test.h" // PASS(), FAIL()
  36
  37 typedef bool (*CheckFunc)();
  38
  39 int main()
  40 {
  41         int fd = open("test.bundle", O_RDONLY, 0);
  42         if ( fd == -1 ) {
  43                 FAIL("open() failed");
  44                 return 1;
  45         }
  46
  47         struct stat stat_buf;
  48         if ( fstat(fd, &stat_buf) == -1) {
  49                 FAIL("fstat() failed");
  50                 return 1;
  51         }
  52
  53         void* loadAddress = malloc((stat_buf.st_size+4095) & (-4096));
  54         if ( loadAddress == NULL ) {
  55                 FAIL("malloc failed");
  56                 return 1;
  57         }
  58
  59         if ( pread(fd, loadAddress, stat_buf.st_size, 0) != stat_buf.st_size ) {
  60                 FAIL("pread() failed");
  61                 return 1;
  62         }
  63
  64         //void* loadAddress2 = mmap(NULL, stat_buf.st_size, PROT_READ, MAP_FILE | MAP_PRIVATE, fd, 0);
  65         close(fd);
  66
  67         NSObjectFileImage ofi;
  68         if ( NSCreateObjectFileImageFromMemory(loadAddress, stat_buf.st_size, &ofi) != NSObjectFileImageSuccess ) {
  69                 FAIL("NSCreateObjectFileImageFromMemory failed");
  70                 return 1;
  71         }
  72
  73         NSModule mod = NSLinkModule(ofi, "he_he", NSLINKMODULE_OPTION_NONE);
  74         if ( mod == NULL ) {
  75                 FAIL("NSLinkModule failed");
  76                 return 1;
  77         }
  78
  79         NSSymbol sym = NSLookupSymbolInModule(mod, "_checkdata");
  80         if ( sym == NULL ) {
  81                 FAIL("NSLookupSymbolInModule failed");
  82                 return 1;
  83         }
  84
  85         CheckFunc func = NSAddressOfSymbol(sym);
  86         if ( !func() ) {
  87                 FAIL("NSAddressOfSymbol failed");
  88                 return 1;
  89         }
  90
  91         if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
  92                 FAIL("NSUnLinkModule failed");
  93                 return 1;
  94         }
  95
  96         if ( !NSDestroyObjectFileImage(ofi) ) {
  97                 FAIL("NSDestroyObjectFileImage failed");
  98                 return 1;
  99         }
 100         //fprintf(stderr, "loadAddress=%p\n", loadAddress);
 101         //fprintf(stderr, "malloc_size(loadAddress) => 0x%08X\n", malloc_size(loadAddress));
 102         //fprintf(stderr, "loadAddress2=%p\n", loadAddress2);
 103         //fprintf(stderr, "malloc_size(loadAddress2) => 0x%08X\n", malloc_size(loadAddress2));
 104
 105
 106         //free(loadAddress);
 107         //fprintf(stderr, "malloc_size(loadAddress) => 0x%08X\n", malloc_size(loadAddress));
 108         if ( malloc_size(loadAddress) != 0 ) {
 109                 FAIL("malloc_size(loadAddress) => 0x%08X", malloc_size(loadAddress));
 110                 FAIL("malloc still thinks it owns this block");
 111                 return 1;
 112         }
 113
 114
 115
 116         // Should check that loadAddress is unmmaped now (by call to NSDestroyObjectFileImage)
 117
 118         PASS("bundle-memory-load-malloc");
 119         return 0;
 120 }