test/gdb.m

   1 // TEST_CFLAGS -Wno-deprecated-declarations
   2
   3 #include "test.h"
   4 #include "testroot.i"
   5 #include <objc/objc-gdb.h>
   6 #include <objc/runtime.h>
   7
   8 #define SwiftV1MangledName4 "_TtC6Swiftt13SwiftV1Class4"
   9 __attribute__((objc_runtime_name(SwiftV1MangledName4)))
  10 @interface SwiftV1Class4 : TestRoot @end
  11 @implementation SwiftV1Class4 @end
  12
  13 int main()
  14 {
  15     // Class hashes
  16     Class result;
  17
  18     // Class should not be realized yet
  19     // fixme not true during class hash rearrangement
  20     // result = NXMapGet(gdb_objc_realized_classes, "TestRoot");
  21     // testassert(!result);
  22
  23     [TestRoot class];
  24     // Now class should be realized
  25
  26     result = (__bridge Class)(NXMapGet(gdb_objc_realized_classes, "TestRoot"));
  27     testassert(result);
  28     testassert(result == [TestRoot class]);
  29
  30     result = (__bridge Class)(NXMapGet(gdb_objc_realized_classes, "DoesNotExist"));
  31     testassert(!result);
  32
  33     // Class structure decoding
  34
  35     uintptr_t *maskp = (uintptr_t *)dlsym(RTLD_DEFAULT, "objc_debug_class_rw_data_mask");
  36     testassert(maskp);
  37
  38     // Raw class names
  39     testassert(strcmp(objc_debug_class_getNameRaw([SwiftV1Class4 class]), SwiftV1MangledName4) == 0);
  40     testassert(strcmp(objc_debug_class_getNameRaw([TestRoot class]), "TestRoot") == 0);
  41
  42
  43     succeed(__FILE__);
  44 }