1 /*
   2  * Copyright (c) 2015, 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 
  25 #ifndef SHARE_VM_GC_G1_G1ALLOCATOR_INLINE_HPP
  26 #define SHARE_VM_GC_G1_G1ALLOCATOR_INLINE_HPP
  27 
  28 #include "gc/g1/g1Allocator.hpp"
  29 #include "gc/g1/g1AllocRegion.inline.hpp"
  30 #include "gc/shared/plab.inline.hpp"
  31 
  32 HeapWord* G1Allocator::attempt_allocation(size_t word_size, AllocationContext_t context) {
  33   return mutator_alloc_region(context)->attempt_allocation(word_size, false /* bot_updates */);
  34 }
  35 
  36 HeapWord* G1Allocator::attempt_allocation_locked(size_t word_size, AllocationContext_t context) {
  37   HeapWord* result = mutator_alloc_region(context)->attempt_allocation_locked(word_size, false /* bot_updates */);
  38   assert(result != NULL || mutator_alloc_region(context)->get() == NULL,
  39          err_msg("Must not have a mutator alloc region if there is no memory, but is " PTR_FORMAT, p2i(mutator_alloc_region(context)->get())));
  40   return result;
  41 }
  42 
  43 HeapWord* G1Allocator::attempt_allocation_force(size_t word_size, AllocationContext_t context) {
  44   return mutator_alloc_region(context)->attempt_allocation_force(word_size, false /* bot_updates */);
  45 }
  46 
  47 inline HeapWord* G1PLABAllocator::plab_allocate(InCSetState dest,
  48                                                 size_t word_sz,
  49                                                 AllocationContext_t context) {
  50   G1PLAB* buffer = alloc_buffer(dest, context);
  51   if (_survivor_alignment_bytes == 0 || !dest.is_young()) {
  52     return buffer->allocate(word_sz);
  53   } else {
  54     return buffer->allocate_aligned(word_sz, _survivor_alignment_bytes);
  55   }
  56 }
  57 
  58 #endif // SHARE_VM_GC_G1_G1ALLOCATOR_HPP