8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke
Contributed-by: per.liden@oracle.com, stefan.karlsson@oracle.com, erik.osterlund@oracle.com, mikael.gerdin@oracle.com, kim.barrett@oracle.com, nils.eliasson@oracle.com, rickard.backman@oracle.com, rwestrel@redhat.com, coleen.phillimore@oracle.com, robbin.ehn@oracle.com, gerard.ziemski@oracle.com, hugh.wilkinson@intel.com, sandhya.viswanathan@intel.com, bill.npo.wheeler@intel.com, vinay.k.awasthi@intel.com, yasuenag@gmail.com
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* 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.
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#ifndef SHARE_GC_Z_ZHEAP_INLINE_HPP
#define SHARE_GC_Z_ZHEAP_INLINE_HPP
#include "gc/z/zAddress.inline.hpp"
#include "gc/z/zHeap.hpp"
#include "gc/z/zMark.inline.hpp"
#include "gc/z/zOop.inline.hpp"
#include "gc/z/zPage.inline.hpp"
#include "gc/z/zPageTable.inline.hpp"
#include "gc/z/zUtils.inline.hpp"
#include "utilities/debug.hpp"
inline ZHeap* ZHeap::heap() {
assert(_heap != NULL, "Not initialized");
return _heap;
}
inline ReferenceDiscoverer* ZHeap::reference_discoverer() {
return &_reference_processor;
}
inline bool ZHeap::is_relocating(uintptr_t addr) const {
return _pagetable.is_relocating(addr);
}
inline bool ZHeap::is_object_live(uintptr_t addr) const {
ZPage* page = _pagetable.get(addr);
return page->is_object_live(addr);
}
inline bool ZHeap::is_object_strongly_live(uintptr_t addr) const {
ZPage* page = _pagetable.get(addr);
return page->is_object_strongly_live(addr);
}
template <bool finalizable, bool publish>
inline void ZHeap::mark_object(uintptr_t addr) {
assert(ZGlobalPhase == ZPhaseMark, "Mark not allowed");
_mark.mark_object<finalizable, publish>(addr);
}
inline uintptr_t ZHeap::alloc_tlab(size_t size) {
guarantee(size <= max_tlab_size(), "TLAB too large");
return _object_allocator.alloc_object(size);
}
inline uintptr_t ZHeap::alloc_object(size_t size) {
uintptr_t addr = _object_allocator.alloc_object(size);
assert(ZAddress::is_good_or_null(addr), "Bad address");
if (addr == 0) {
out_of_memory();
}
return addr;
}
inline uintptr_t ZHeap::alloc_object_for_relocation(size_t size) {
uintptr_t addr = _object_allocator.alloc_object_for_relocation(size);
assert(ZAddress::is_good_or_null(addr), "Bad address");
return addr;
}
inline void ZHeap::undo_alloc_object_for_relocation(uintptr_t addr, size_t size) {
ZPage* const page = _pagetable.get(addr);
_object_allocator.undo_alloc_object_for_relocation(page, addr, size);
}
inline void ZHeap::check_out_of_memory() {
_page_allocator.check_out_of_memory();
}
inline bool ZHeap::is_oop(oop object) const {
return ZOop::is_good(object);
}
#endif // SHARE_GC_Z_ZHEAP_INLINE_HPP