/*

 * Copyright (c) 2015, 2019, 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.

 */

#ifndef SHARE_GC_Z_ZHEAP_INLINE_HPP

#define SHARE_GC_Z_ZHEAP_INLINE_HPP

#include "gc/z/zAddress.inline.hpp"

#include "gc/z/zForwarding.inline.hpp"

#include "gc/z/zForwardingTable.inline.hpp"

#include "gc/z/zHash.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 "utilities/debug.hpp"

inline ZHeap* ZHeap::heap() {

  assert(_heap != NULL, "Not initialized");

  return _heap;

}

inline ReferenceDiscoverer* ZHeap::reference_discoverer() {

  return &_reference_processor;

}

inline uint32_t ZHeap::hash_oop(uintptr_t addr) const {

  const uintptr_t offset = ZAddress::offset(addr);

  return ZHash::address_to_uint32(offset);

}

inline bool ZHeap::is_object_live(uintptr_t addr) const {

  ZPage* page = _page_table.get(addr);

  return page->is_object_live(addr);

}

inline bool ZHeap::is_object_strongly_live(uintptr_t addr) const {

  ZPage* page = _page_table.get(addr);

  return page->is_object_strongly_live(addr);

}

template <bool follow, bool finalizable, bool publish>

inline void ZHeap::mark_object(uintptr_t addr) {

  assert(ZGlobalPhase == ZPhaseMark, "Mark not allowed");

  _mark.mark_object<follow, 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 = _page_table.get(addr);

  _object_allocator.undo_alloc_object_for_relocation(page, addr, size);

}

inline uintptr_t ZHeap::relocate_object(uintptr_t addr) {

  assert(ZGlobalPhase == ZPhaseRelocate, "Relocate not allowed");

  ZForwarding* const forwarding = _forwarding_table.get(addr);

  if (forwarding == NULL) {

    // Not forwarding

    return ZAddress::good(addr);

  }

  // Relocate object

  const bool retained = forwarding->retain_page();

  const uintptr_t new_addr = _relocate.relocate_object(forwarding, addr);

  if (retained) {

    forwarding->release_page();

  }

  return new_addr;

}

inline uintptr_t ZHeap::remap_object(uintptr_t addr) {

  assert(ZGlobalPhase == ZPhaseMark ||

         ZGlobalPhase == ZPhaseMarkCompleted, "Forward not allowed");

  ZForwarding* const forwarding = _forwarding_table.get(addr);

  if (forwarding == NULL) {

    // Not forwarding

    return ZAddress::good(addr);

  }

  // Forward object

  return _relocate.forward_object(forwarding, addr);

}

inline bool ZHeap::is_alloc_stalled() const {

  return _page_allocator.is_alloc_stalled();

}

inline void ZHeap::check_out_of_memory() {

  _page_allocator.check_out_of_memory();

}

inline bool ZHeap::is_oop(uintptr_t addr) const {

  return ZAddress::is_good(addr) && is_object_aligned(addr) && is_in(addr);

}

#endif // SHARE_GC_Z_ZHEAP_INLINE_HPP