testing/test-cases/dladdr-basic.dtest/main-no-syms.c

   1
   2 // BUILD:  $CC main-no-syms.c            -o $BUILD_DIR/dladdr-stripped.exe
   3 // BUILD:  strip $BUILD_DIR/dladdr-stripped.exe
   4
   5 // RUN:  ./dladdr-stripped.exe
   6
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <dlfcn.h>
  12 #include <mach-o/dyld_priv.h>
  13
  14
  15
  16 ///
  17 /// verify dladdr() returns NULL for a symbol name in a fully stripped
  18 /// main executable (and not _mh_execute_header+nnn).
  19 ///
  20
  21 int main()
  22 {
  23     printf("[BEGIN] dladdr-stripped\n");
  24
  25     Dl_info info;
  26     if ( dladdr(&main, &info) == 0 ) {
  27         printf("[FAIL] dladdr(&main, xx) failed\n");
  28         return 0;
  29     }
  30
  31     if ( info.dli_sname != NULL ){
  32         printf("[FAIL] dladdr() returned: \"%s\" instead of NULL\n", info.dli_sname);
  33         return 0;
  34     }
  35
  36     printf("[PASS] dladdr-stripped\n");
  37     return 0;
  38 }