testing/test-cases/no-shared-cache.dtest/main.c

   1 // BUILD_ONLY: MacOSX
   2
   3 // BUILD:  $CC main.c  -framework AppKit         -o $BUILD_DIR/no_shared_cache.exe
   4
   5 // RUN:  DYLD_SHARED_REGION=avoid ./no_shared_cache.exe
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <mach-o/dyld_priv.h>
  11 #include <dlfcn.h>
  12
  13
  14 // This program links with AppKit which in dyld3 mode stress tests building closures when there is no dyld shared cache
  15
  16 int main()
  17 {
  18     printf("[BEGIN] no-shared-cache\n");
  19
  20     size_t cacheLen;
  21     const void* cacheStart = _dyld_get_shared_cache_range(&cacheLen);
  22
  23     if ( cacheStart != NULL ) {
  24         printf("[FAIL] no-shared-cache: _dyld_get_shared_cache_range() returned %p even though we are not using a dyld cache\n", cacheStart);
  25         return 0;
  26     }
  27
  28     printf("[PASS] no-shared-cache\n");
  29     return 0;
  30 }
  31