1 /*
   2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #ifndef SHARE_GC_Z_ZHEAP_INLINE_HPP
  25 #define SHARE_GC_Z_ZHEAP_INLINE_HPP
  26 
  27 #include "gc/z/zAddress.inline.hpp"
  28 #include "gc/z/zHeap.hpp"
  29 #include "gc/z/zMark.inline.hpp"
  30 #include "gc/z/zOop.inline.hpp"
  31 #include "gc/z/zPage.inline.hpp"
  32 #include "gc/z/zPageTable.inline.hpp"
  33 #include "gc/z/zUtils.inline.hpp"
  34 #include "utilities/debug.hpp"
  35 
  36 inline ZHeap* ZHeap::heap() {
  37   assert(_heap != NULL, "Not initialized");
  38   return _heap;
  39 }
  40 
  41 inline ReferenceDiscoverer* ZHeap::reference_discoverer() {
  42   return &_reference_processor;
  43 }
  44 
  45 inline bool ZHeap::is_relocating(uintptr_t addr) const {
  46   return _pagetable.is_relocating(addr);
  47 }
  48 
  49 inline bool ZHeap::is_object_live(uintptr_t addr) const {
  50   ZPage* page = _pagetable.get(addr);
  51   return page->is_object_live(addr);
  52 }
  53 
  54 inline bool ZHeap::is_object_strongly_live(uintptr_t addr) const {
  55   ZPage* page = _pagetable.get(addr);
  56   return page->is_object_strongly_live(addr);
  57 }
  58 
  59 template <bool finalizable, bool publish>
  60 inline void ZHeap::mark_object(uintptr_t addr) {
  61   assert(ZGlobalPhase == ZPhaseMark, "Mark not allowed");
  62   _mark.mark_object<finalizable, publish>(addr);
  63 }
  64 
  65 inline uintptr_t ZHeap::alloc_tlab(size_t size) {
  66   guarantee(size <= max_tlab_size(), "TLAB too large");
  67   return _object_allocator.alloc_object(size);
  68 }
  69 
  70 inline uintptr_t ZHeap::alloc_object(size_t size) {
  71   uintptr_t addr = _object_allocator.alloc_object(size);
  72   assert(ZAddress::is_good_or_null(addr), "Bad address");
  73 
  74   if (addr == 0) {
  75     out_of_memory();
  76   }
  77 
  78   return addr;
  79 }
  80 
  81 inline uintptr_t ZHeap::alloc_object_for_relocation(size_t size) {
  82   uintptr_t addr = _object_allocator.alloc_object_for_relocation(size);
  83   assert(ZAddress::is_good_or_null(addr), "Bad address");
  84   return addr;
  85 }
  86 
  87 inline void ZHeap::undo_alloc_object_for_relocation(uintptr_t addr, size_t size) {
  88   ZPage* const page = _pagetable.get(addr);
  89   _object_allocator.undo_alloc_object_for_relocation(page, addr, size);
  90 }
  91 
  92 inline void ZHeap::check_out_of_memory() {
  93   _page_allocator.check_out_of_memory();
  94 }
  95 
  96 inline bool ZHeap::is_oop(oop object) const {
  97   return ZOop::is_good(object);
  98 }
  99 
 100 #endif // SHARE_GC_Z_ZHEAP_INLINE_HPP