gcc/testsuite/obj-c++.dg/cxx-ivars-3.mm

   1 // Check if ObjC classes with non-POD C++ ivars are specially marked in the metadata.
   2
   3 // { dg-do run { target *-*-darwin* } }
   4 // { dg-skip-if "" { *-*-* } { "-fgnu-runtime" } { "" } }
   5 // { dg-options "-fobjc-call-cxx-cdtors -mmacosx-version-min=10.4" }
   6 // This test has no equivalent or meaning for m64/ABI V2
   7 // { dg-xfail-run-if "No Test Avail" { *-*-darwin* && lp64 } { "-fnext-runtime" } { "" } }
   8
   9 #include <objc/objc-runtime.h>
  10 #include <stdlib.h>
  11 #define CHECK_IF(expr) if(!(expr)) abort()
  12
  13 #ifndef CLS_HAS_CXX_STRUCTORS
  14 #define CLS_HAS_CXX_STRUCTORS 0x2000L
  15 #endif
  16
  17 struct cxx_struct {
  18   int a, b;
  19   cxx_struct (void) { a = b = 55; }
  20 };
  21
  22 @interface Foo {
  23   int c;
  24   cxx_struct s;
  25 }
  26 @end
  27
  28 @interface Bar: Foo {
  29   float f;
  30 }
  31 @end
  32
  33 @implementation Foo
  34 @end
  35
  36 @implementation Bar
  37 @end
  38
  39 int main (void)
  40 {
  41 #ifndef __LP64__
  42   Class cls;
  43
  44   cls = objc_getClass("Foo");
  45   CHECK_IF(cls->info & CLS_HAS_CXX_STRUCTORS);
  46   cls = objc_getClass("Bar");
  47   CHECK_IF(!(cls->info & CLS_HAS_CXX_STRUCTORS));
  48
  49 #else
  50   /* No test needed or available.  */
  51   abort ();
  52 #endif
  53   return 0;
  54 }