fde89a34d0
InterfaceSupport.hpp is an inline file so moved to interfaceSupport.inline.hpp and stopped including it in .hpp files Reviewed-by: stefank, rehn, kvn
117 lines
4.6 KiB
C++
117 lines
4.6 KiB
C++
/*
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* Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_RUNTIME_HANDLES_INLINE_HPP
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#define SHARE_VM_RUNTIME_HANDLES_INLINE_HPP
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#include "runtime/handles.hpp"
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#include "runtime/thread.inline.hpp"
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// these inline functions are in a separate file to break an include cycle
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// between Thread and Handle
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inline Handle::Handle(Thread* thread, oop obj) {
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assert(thread == Thread::current(), "sanity check");
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if (obj == NULL) {
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_handle = NULL;
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} else {
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_handle = thread->handle_area()->allocate_handle(obj);
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}
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}
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// Inline constructors for Specific Handles for different oop types
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#define DEF_HANDLE_CONSTR(type, is_a) \
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inline type##Handle::type##Handle (Thread* thread, type##Oop obj) : Handle(thread, (oop)obj) { \
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assert(is_null() || ((oop)obj)->is_a(), "illegal type"); \
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}
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DEF_HANDLE_CONSTR(instance , is_instance_noinline )
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DEF_HANDLE_CONSTR(array , is_array_noinline )
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DEF_HANDLE_CONSTR(objArray , is_objArray_noinline )
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DEF_HANDLE_CONSTR(typeArray, is_typeArray_noinline)
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// Constructor for metadata handles
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#define DEF_METADATA_HANDLE_FN(name, type) \
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inline name##Handle::name##Handle(type* obj) : _value(obj), _thread(NULL) { \
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if (obj != NULL) { \
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assert(((Metadata*)obj)->is_valid(), "obj is valid"); \
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_thread = Thread::current(); \
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assert (_thread->is_in_stack((address)this), "not on stack?"); \
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_thread->metadata_handles()->push((Metadata*)obj); \
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} \
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} \
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inline name##Handle::name##Handle(Thread* thread, type* obj) : _value(obj), _thread(thread) { \
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if (obj != NULL) { \
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assert(((Metadata*)obj)->is_valid(), "obj is valid"); \
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assert(_thread == Thread::current(), "thread must be current"); \
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assert (_thread->is_in_stack((address)this), "not on stack?"); \
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_thread->metadata_handles()->push((Metadata*)obj); \
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} \
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} \
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DEF_METADATA_HANDLE_FN(method, Method)
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DEF_METADATA_HANDLE_FN(constantPool, ConstantPool)
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inline HandleMark::HandleMark() {
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initialize(Thread::current());
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}
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inline void HandleMark::push() {
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// This is intentionally a NOP. pop_and_restore will reset
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// values to the HandleMark further down the stack, typically
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// in JavaCalls::call_helper.
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debug_only(_area->_handle_mark_nesting++);
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}
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inline void HandleMark::pop_and_restore() {
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HandleArea* area = _area; // help compilers with poor alias analysis
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// Delete later chunks
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if( _chunk->next() ) {
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// reset arena size before delete chunks. Otherwise, the total
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// arena size could exceed total chunk size
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assert(area->size_in_bytes() > size_in_bytes(), "Sanity check");
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area->set_size_in_bytes(size_in_bytes());
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_chunk->next_chop();
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} else {
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assert(area->size_in_bytes() == size_in_bytes(), "Sanity check");
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}
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// Roll back arena to saved top markers
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area->_chunk = _chunk;
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area->_hwm = _hwm;
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area->_max = _max;
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debug_only(area->_handle_mark_nesting--);
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}
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inline HandleMarkCleaner::HandleMarkCleaner(Thread* thread) {
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_thread = thread;
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_thread->last_handle_mark()->push();
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}
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inline HandleMarkCleaner::~HandleMarkCleaner() {
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_thread->last_handle_mark()->pop_and_restore();
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}
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#endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP
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