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src/hotspot/share/runtime/handles.inline.hpp

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 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #ifndef SHARE_RUNTIME_HANDLES_INLINE_HPP
 26 #define SHARE_RUNTIME_HANDLES_INLINE_HPP
 27 
 28 #include "runtime/handles.hpp"
 29 
 30 #include "runtime/thread.hpp"
 31 #include "oops/metadata.hpp"
 32 #include "oops/oop.hpp"
 33 
 34 // these inline functions are in a separate file to break an include cycle
 35 // between Thread and Handle
 36 
 37 inline Handle::Handle(Thread* thread, oop obj) {
 38   assert(thread == Thread::current(), "sanity check");
 39   if (obj == NULL) {
 40     _handle = NULL;
 41   } else {
 42     _handle = thread->handle_area()->allocate_handle(obj);
 43   }
 44 }
 45 
 46 // Inline constructors for Specific Handles for different oop types
 47 #define DEF_HANDLE_CONSTR(type, is_a)                   \
 48 inline type##Handle::type##Handle (Thread* thread, type##Oop obj) : Handle(thread, (oop)obj) { \
 49   assert(is_null() || ((oop)obj)->is_a(), "illegal type");                \
 50 }
 51 
 52 DEF_HANDLE_CONSTR(instance , is_instance_noinline )
 53 DEF_HANDLE_CONSTR(array    , is_array_noinline    )
 54 DEF_HANDLE_CONSTR(objArray , is_objArray_noinline )
 55 DEF_HANDLE_CONSTR(typeArray, is_typeArray_noinline)
 56 
 57 // Constructor for metadata handles
 58 #define DEF_METADATA_HANDLE_FN(name, type) \
 59 inline name##Handle::name##Handle(Thread* thread, type* obj) : _value(obj), _thread(thread) { \
 60   if (obj != NULL) {                                                   \
 61     assert(((Metadata*)obj)->is_valid(), "obj is valid");              \
 62     assert(_thread == Thread::current(), "thread must be current");    \
 63     assert(_thread->is_in_live_stack((address)this), "not on stack?"); \
 64     _thread->metadata_handles()->push((Metadata*)obj);                 \
 65   }                                                                    \
 66 }                                                                      \
 67 
 68 DEF_METADATA_HANDLE_FN(method, Method)
 69 DEF_METADATA_HANDLE_FN(constantPool, ConstantPool)

 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #ifndef SHARE_RUNTIME_HANDLES_INLINE_HPP
 26 #define SHARE_RUNTIME_HANDLES_INLINE_HPP
 27 
 28 #include "runtime/handles.hpp"
 29 
 30 #include "runtime/thread.hpp"
 31 #include "oops/metadata.hpp"
 32 #include "oops/oop.hpp"
 33 
 34 // these inline functions are in a separate file to break an include cycle
 35 // between Thread and Handle
 36 
 37 inline Handle::Handle(Thread* thread, oop obj, bool allocNull) {
 38   assert(thread == Thread::current(), "sanity check");
 39   if (obj == NULL && !allocNull) {
 40     _handle = NULL;
 41   } else {
 42     _handle = thread->handle_area()->allocate_handle(obj);
 43   }
 44 }
 45 
 46 // Inline constructors for Specific Handles for different oop types
 47 #define DEF_HANDLE_CONSTR(type, is_a)                   \
 48 inline type##Handle::type##Handle (Thread* thread, type##Oop obj, bool allocNull) : Handle(thread, (oop)obj, allocNull) { \
 49   assert(is_null() || (allocNull && obj == NULL) || ((oop)obj)->is_a(), "illegal type");                \
 50 }
 51 
 52 DEF_HANDLE_CONSTR(instance , is_instance_noinline )
 53 DEF_HANDLE_CONSTR(array    , is_array_noinline    )
 54 DEF_HANDLE_CONSTR(objArray , is_objArray_noinline )
 55 DEF_HANDLE_CONSTR(typeArray, is_typeArray_noinline)
 56 
 57 // Constructor for metadata handles
 58 #define DEF_METADATA_HANDLE_FN(name, type) \
 59 inline name##Handle::name##Handle(Thread* thread, type* obj) : _value(obj), _thread(thread) { \
 60   if (obj != NULL) {                                                   \
 61     assert(((Metadata*)obj)->is_valid(), "obj is valid");              \
 62     assert(_thread == Thread::current(), "thread must be current");    \
 63     assert(_thread->is_in_live_stack((address)this), "not on stack?"); \
 64     _thread->metadata_handles()->push((Metadata*)obj);                 \
 65   }                                                                    \
 66 }                                                                      \
 67 
 68 DEF_METADATA_HANDLE_FN(method, Method)
 69 DEF_METADATA_HANDLE_FN(constantPool, ConstantPool)
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