diff -r fd16c54261b3 -r 489c9b5090e2 hotspot/src/share/vm/runtime/handles.inline.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/src/share/vm/runtime/handles.inline.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,73 @@ +/* + * Copyright 1998-2003 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// these inline functions are in a separate file to break an include cycle +// between Thread and Handle + +inline Handle::Handle(oop obj) { + if (obj == NULL) { + _handle = NULL; + } else { + _handle = Thread::current()->handle_area()->allocate_handle(obj); + } +} + + +#ifndef ASSERT +inline Handle::Handle(Thread* thread, oop obj) { + assert(thread == Thread::current(), "sanity check"); + if (obj == NULL) { + _handle = NULL; + } else { + _handle = thread->handle_area()->allocate_handle(obj); + } +} +#endif // ASSERT + + +inline HandleMark::HandleMark() { + initialize(Thread::current()); +} + + +inline void HandleMark::push() { + // This is intentionally a NOP. pop_and_restore will reset + // values to the HandleMark further down the stack, typically + // in JavaCalls::call_helper. + debug_only(_area->_handle_mark_nesting++); +} + +inline void HandleMark::pop_and_restore() { + HandleArea* area = _area; // help compilers with poor alias analysis + // Delete later chunks + if( _chunk->next() ) { + _chunk->next_chop(); + } + // Roll back arena to saved top markers + area->_chunk = _chunk; + area->_hwm = _hwm; + area->_max = _max; + NOT_PRODUCT(area->set_size_in_bytes(_size_in_bytes);) + debug_only(area->_handle_mark_nesting--); +}