38 if (obj == NULL) { 39 _handle = NULL; 40 } else { 41 _handle = thread->handle_area()->allocate_handle(obj); 42 } 43 } 44 45 // Inline constructors for Specific Handles for different oop types 46 #define DEF_HANDLE_CONSTR(type, is_a) \ 47 inline type##Handle::type##Handle (Thread* thread, type##Oop obj) : Handle(thread, (oop)obj) { \ 48 assert(is_null() || ((oop)obj)->is_a(), "illegal type"); \ 49 } 50 51 DEF_HANDLE_CONSTR(instance , is_instance_noinline ) 52 DEF_HANDLE_CONSTR(array , is_array_noinline ) 53 DEF_HANDLE_CONSTR(objArray , is_objArray_noinline ) 54 DEF_HANDLE_CONSTR(typeArray, is_typeArray_noinline) 55 56 // Constructor for metadata handles 57 #define DEF_METADATA_HANDLE_FN(name, type) \ 58 inline name##Handle::name##Handle(type* obj) : _value(obj), _thread(NULL) { \ 59 if (obj != NULL) { \ 60 assert(((Metadata*)obj)->is_valid(), "obj is valid"); \ 61 _thread = Thread::current(); \ 62 assert (_thread->is_in_stack((address)this), "not on stack?"); \ 63 _thread->metadata_handles()->push((Metadata*)obj); \ 64 } \ 65 } \ 66 inline name##Handle::name##Handle(Thread* thread, type* obj) : _value(obj), _thread(thread) { \ 67 if (obj != NULL) { \ 68 assert(((Metadata*)obj)->is_valid(), "obj is valid"); \ 69 assert(_thread == Thread::current(), "thread must be current"); \ 70 assert (_thread->is_in_stack((address)this), "not on stack?"); \ 71 _thread->metadata_handles()->push((Metadata*)obj); \ 72 } \ 73 } \ 74 75 DEF_METADATA_HANDLE_FN(method, Method) 76 DEF_METADATA_HANDLE_FN(constantPool, ConstantPool) 77 78 inline HandleMark::HandleMark() { 79 initialize(Thread::current()); 80 } 81 82 inline void HandleMark::push() { 83 // This is intentionally a NOP. pop_and_restore will reset 84 // values to the HandleMark further down the stack, typically 85 // in JavaCalls::call_helper. | 38 if (obj == NULL) { 39 _handle = NULL; 40 } else { 41 _handle = thread->handle_area()->allocate_handle(obj); 42 } 43 } 44 45 // Inline constructors for Specific Handles for different oop types 46 #define DEF_HANDLE_CONSTR(type, is_a) \ 47 inline type##Handle::type##Handle (Thread* thread, type##Oop obj) : Handle(thread, (oop)obj) { \ 48 assert(is_null() || ((oop)obj)->is_a(), "illegal type"); \ 49 } 50 51 DEF_HANDLE_CONSTR(instance , is_instance_noinline ) 52 DEF_HANDLE_CONSTR(array , is_array_noinline ) 53 DEF_HANDLE_CONSTR(objArray , is_objArray_noinline ) 54 DEF_HANDLE_CONSTR(typeArray, is_typeArray_noinline) 55 56 // Constructor for metadata handles 57 #define DEF_METADATA_HANDLE_FN(name, type) \ 58 inline name##Handle::name##Handle(Thread* thread, type* obj) : _value(obj), _thread(thread) { \ 59 if (obj != NULL) { \ 60 assert(((Metadata*)obj)->is_valid(), "obj is valid"); \ 61 assert(_thread == Thread::current(), "thread must be current"); \ 62 assert (_thread->is_in_stack((address)this), "not on stack?"); \ 63 _thread->metadata_handles()->push((Metadata*)obj); \ 64 } \ 65 } \ 66 67 DEF_METADATA_HANDLE_FN(method, Method) 68 DEF_METADATA_HANDLE_FN(constantPool, ConstantPool) 69 70 inline HandleMark::HandleMark() { 71 initialize(Thread::current()); 72 } 73 74 inline void HandleMark::push() { 75 // This is intentionally a NOP. pop_and_restore will reset 76 // values to the HandleMark further down the stack, typically 77 // in JavaCalls::call_helper. |