testing/test-cases/NSLookupSymbolInImage-basic.dtest/main.c

   1 // BUILD_ONLY: MacOSX
   2
   3 // BUILD:  $CC main.c            -o $BUILD_DIR/NSLookupSymbolInImage-basic.exe -Wno-deprecated-declarations
   4
   5 // RUN:  ./NSLookupSymbolInImage-basic.exe
   6
   7
   8 #include <stdio.h>
   9 #include <string.h>
  10 #include <dlfcn.h>
  11 #include <mach-o/dyld.h>
  12
  13 extern struct mach_header __dso_handle;
  14
  15 int main(int argc, const char* argv[])
  16 {
  17     printf("[BEGIN] NSLookupSymbolInImage-basic\n");
  18
  19     // verify known symbol works
  20     NSSymbol sym = NSLookupSymbolInImage(&__dso_handle, "_main", NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
  21     if ( sym == NULL ) {
  22          printf("[FAIL] NSLookupSymbolInImage-basic _main\n");
  23          return 0;
  24     }
  25
  26     // verify mode where NSLookupSymbolInImage() returns NULL if symbol not found
  27     sym = NSLookupSymbolInImage(&__dso_handle, "_42hhg", NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
  28     if ( sym != NULL ) {
  29          printf("[FAIL] NSLookupSymbolInImage-basic _42hhg\n");
  30          return 0;
  31     }
  32
  33     // Note: NSLookupSymbolInImage is documented to abort if symbol not found and NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR not used,
  34     // but dyld 2 just returned NULL, so no need to test that.
  35
  36     printf("[PASS] NSLookupSymbolInImage-basic\n");
  37         return 0;
  38 }
  39