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

   1 // BUILD_ONLY: MacOSX
   2
   3 // BUILD:  $CC main.c            -o $BUILD_DIR/NSAddressOfSymbol-basic.exe -Wno-deprecated-declarations
   4
   5 // RUN:  ./NSAddressOfSymbol-basic.exe
   6
   7
   8
   9 #include <stdio.h>
  10 #include <string.h>
  11 #include <dlfcn.h>
  12 #include <mach-o/dyld.h>
  13
  14 extern struct mach_header __dso_handle;
  15
  16 int main(int argc, const char* argv[])
  17 {
  18     printf("[BEGIN] NSAddressOfSymbol-basic\n");
  19
  20     NSSymbol sym = NSLookupSymbolInImage(&__dso_handle, "_main", NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
  21     if ( sym == NULL ) {
  22         printf("[FAIL] NSAddressOfSymbol-basic can't find main\n");
  23         return 0;
  24     }
  25     void* mainAddr = NSAddressOfSymbol(sym);
  26     if ( mainAddr != &main ) {
  27         printf("[FAIL] NSAddressOfSymbol-basic address returned %p is not &main=%p\n", mainAddr, &main);
  28         return 0;
  29     }
  30
  31     // verify NULL works
  32     if ( NSAddressOfSymbol(NULL) != NULL ) {
  33         printf("[FAIL] NSAddressOfSymbol-basic NULL not handle\n");
  34         return 0;
  35     }
  36
  37     printf("[PASS] NSAddressOfSymbol-basic\n");
  38         return 0;
  39 }
  40