df34500027
Replaced Access API with API on heap. Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com> Reviewed-by: jiangli, coleenp, tschatzl
82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2018, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
#include "precompiled.hpp"
|
|
#include "gc/z/c1/zBarrierSetC1.hpp"
|
|
#include "gc/z/c2/zBarrierSetC2.hpp"
|
|
#include "gc/z/zBarrierSet.hpp"
|
|
#include "gc/z/zBarrierSetAssembler.hpp"
|
|
#include "gc/z/zGlobals.hpp"
|
|
#include "gc/z/zHeap.inline.hpp"
|
|
#include "gc/z/zThreadLocalData.hpp"
|
|
#include "runtime/thread.hpp"
|
|
|
|
ZBarrierSet::ZBarrierSet() :
|
|
BarrierSet(make_barrier_set_assembler<ZBarrierSetAssembler>(),
|
|
make_barrier_set_c1<ZBarrierSetC1>(),
|
|
make_barrier_set_c2<ZBarrierSetC2>(),
|
|
BarrierSet::FakeRtti(BarrierSet::ZBarrierSet)) {}
|
|
|
|
ZBarrierSetAssembler* ZBarrierSet::assembler() {
|
|
BarrierSetAssembler* const bsa = BarrierSet::barrier_set()->barrier_set_assembler();
|
|
return reinterpret_cast<ZBarrierSetAssembler*>(bsa);
|
|
}
|
|
|
|
bool ZBarrierSet::barrier_needed(DecoratorSet decorators, BasicType type) {
|
|
assert((decorators & AS_RAW) == 0, "Unexpected decorator");
|
|
assert((decorators & AS_NO_KEEPALIVE) == 0, "Unexpected decorator");
|
|
//assert((decorators & ON_UNKNOWN_OOP_REF) == 0, "Unexpected decorator");
|
|
|
|
if (type == T_OBJECT || type == T_ARRAY) {
|
|
if (((decorators & IN_HEAP) != 0) ||
|
|
((decorators & IN_CONCURRENT_ROOT) != 0) ||
|
|
((decorators & ON_PHANTOM_OOP_REF) != 0)) {
|
|
// Barrier needed
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Barrier not neeed
|
|
return false;
|
|
}
|
|
|
|
void ZBarrierSet::on_thread_create(Thread* thread) {
|
|
// Create thread local data
|
|
ZThreadLocalData::create(thread);
|
|
}
|
|
|
|
void ZBarrierSet::on_thread_destroy(Thread* thread) {
|
|
// Destroy thread local data
|
|
ZThreadLocalData::destroy(thread);
|
|
}
|
|
|
|
void ZBarrierSet::on_thread_attach(JavaThread* thread) {
|
|
// Set thread local address bad mask
|
|
ZThreadLocalData::set_address_bad_mask(thread, ZAddressBadMask);
|
|
}
|
|
|
|
void ZBarrierSet::on_thread_detach(JavaThread* thread) {
|
|
// Flush and free any remaining mark stacks
|
|
ZHeap::heap()->mark_flush_and_free(thread);
|
|
}
|