78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
|
/*
|
||
|
|
* Copyright (c) 2021, 2023, 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/zAllocator.hpp"
|
||
|
|
#include "gc/z/zObjectAllocator.hpp"
|
||
|
|
|
||
|
|
ZAllocatorEden* ZAllocator::_eden;
|
||
|
|
ZAllocatorForRelocation* ZAllocator::_relocation[ZAllocator::_relocation_allocators];
|
||
|
|
|
||
|
|
ZAllocator::ZAllocator(ZPageAge age) :
|
||
|
|
_object_allocator(age) {}
|
||
|
|
|
||
|
|
void ZAllocator::retire_pages() {
|
||
|
|
_object_allocator.retire_pages();
|
||
|
|
}
|
||
|
|
|
||
|
|
ZAllocatorEden::ZAllocatorEden() :
|
||
|
|
ZAllocator(ZPageAge::eden) {
|
||
|
|
ZAllocator::_eden = this;
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t ZAllocatorEden::tlab_used() const {
|
||
|
|
return _object_allocator.used();
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t ZAllocatorEden::remaining() const {
|
||
|
|
return _object_allocator.remaining();
|
||
|
|
}
|
||
|
|
|
||
|
|
ZPageAge ZAllocatorForRelocation::install() {
|
||
|
|
for (uint i = 0; i < ZAllocator::_relocation_allocators; ++i) {
|
||
|
|
if (_relocation[i] == nullptr) {
|
||
|
|
_relocation[i] = this;
|
||
|
|
return static_cast<ZPageAge>(i + 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ShouldNotReachHere();
|
||
|
|
return ZPageAge::eden;
|
||
|
|
}
|
||
|
|
|
||
|
|
ZAllocatorForRelocation::ZAllocatorForRelocation() :
|
||
|
|
ZAllocator(install()) {
|
||
|
|
}
|
||
|
|
|
||
|
|
zaddress ZAllocatorForRelocation::alloc_object(size_t size) {
|
||
|
|
return _object_allocator.alloc_object_for_relocation(size);
|
||
|
|
}
|
||
|
|
|
||
|
|
void ZAllocatorForRelocation::undo_alloc_object(zaddress addr, size_t size) {
|
||
|
|
_object_allocator.undo_alloc_object_for_relocation(addr, size);
|
||
|
|
}
|
||
|
|
|
||
|
|
ZPage* ZAllocatorForRelocation::alloc_page_for_relocation(ZPageType type, size_t size, ZAllocationFlags flags) {
|
||
|
|
return _object_allocator.alloc_page_for_relocation(type, size, flags);
|
||
|
|
}
|