duke@435: /*
stefank@2314:  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_RUNTIME_HANDLES_INLINE_HPP
stefank@2314: #define SHARE_VM_RUNTIME_HANDLES_INLINE_HPP
stefank@2314: 
stefank@2314: #include "runtime/handles.hpp"
stefank@2314: #ifdef TARGET_OS_FAMILY_linux
stefank@2314: # include "thread_linux.inline.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_FAMILY_solaris
stefank@2314: # include "thread_solaris.inline.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_FAMILY_windows
stefank@2314: # include "thread_windows.inline.hpp"
stefank@2314: #endif
never@3156: #ifdef TARGET_OS_FAMILY_bsd
never@3156: # include "thread_bsd.inline.hpp"
never@3156: #endif
stefank@2314: 
duke@435: // these inline functions are in a separate file to break an include cycle
duke@435: // between Thread and Handle
duke@435: 
duke@435: inline Handle::Handle(oop obj) {
duke@435:   if (obj == NULL) {
duke@435:     _handle = NULL;
duke@435:   } else {
duke@435:     _handle = Thread::current()->handle_area()->allocate_handle(obj);
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: #ifndef ASSERT
duke@435: inline Handle::Handle(Thread* thread, oop obj) {
duke@435:   assert(thread == Thread::current(), "sanity check");
duke@435:   if (obj == NULL) {
duke@435:     _handle = NULL;
duke@435:   } else {
duke@435:     _handle = thread->handle_area()->allocate_handle(obj);
duke@435:   }
duke@435: }
duke@435: #endif // ASSERT
duke@435: 
duke@435: 
duke@435: inline HandleMark::HandleMark() {
duke@435:   initialize(Thread::current());
duke@435: }
duke@435: 
duke@435: 
duke@435: inline void HandleMark::push() {
duke@435:   // This is intentionally a NOP. pop_and_restore will reset
duke@435:   // values to the HandleMark further down the stack, typically
duke@435:   // in JavaCalls::call_helper.
duke@435:   debug_only(_area->_handle_mark_nesting++);
duke@435: }
duke@435: 
duke@435: inline void HandleMark::pop_and_restore() {
duke@435:   HandleArea* area = _area;   // help compilers with poor alias analysis
duke@435:   // Delete later chunks
duke@435:   if( _chunk->next() ) {
duke@435:     _chunk->next_chop();
duke@435:   }
duke@435:   // Roll back arena to saved top markers
duke@435:   area->_chunk = _chunk;
duke@435:   area->_hwm = _hwm;
duke@435:   area->_max = _max;
duke@435:   NOT_PRODUCT(area->set_size_in_bytes(_size_in_bytes);)
duke@435:   debug_only(area->_handle_mark_nesting--);
duke@435: }
stefank@2314: 
stefank@2314: #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP