jdk8-mips64-public/hotspot: src/share/vm/services/psMemoryPool.cpp@1d7922586cf6

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

     1 /*

     2  * Copyright (c) 2007, 2010, 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  */

    25 #include "precompiled.hpp"

    26 #include "classfile/systemDictionary.hpp"

    27 #include "classfile/vmSymbols.hpp"

    28 #include "gc_implementation/parallelScavenge/psPermGen.hpp"

    29 #include "oops/oop.inline.hpp"

    30 #include "runtime/handles.inline.hpp"

    31 #include "runtime/javaCalls.hpp"

    32 #include "services/lowMemoryDetector.hpp"

    33 #include "services/management.hpp"

    34 #include "services/memoryManager.hpp"

    35 #include "services/psMemoryPool.hpp"

    37 PSGenerationPool::PSGenerationPool(PSOldGen* gen,

    38                                    const char* name,

    39                                    PoolType type,

    40                                    bool support_usage_threshold) :

    41   CollectedMemoryPool(name, type, gen->capacity_in_bytes(),

    42                       gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {

    43 }

    45 PSGenerationPool::PSGenerationPool(PSPermGen* gen,

    46                                    const char* name,

    47                                    PoolType type,

    48                                    bool support_usage_threshold) :

    49   CollectedMemoryPool(name, type, gen->capacity_in_bytes(),

    50                       gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {

    51 }

    53 MemoryUsage PSGenerationPool::get_memory_usage() {

    54   size_t maxSize   = (available_for_allocation() ? max_size() : 0);

    55   size_t used      = used_in_bytes();

    56   size_t committed = _gen->capacity_in_bytes();

    58   return MemoryUsage(initial_size(), used, committed, maxSize);

    59 }

    61 // The max size of EdenMutableSpacePool =

    62 //     max size of the PSYoungGen - capacity of two survivor spaces

    63 //

    64 // Max size of PS eden space is changing due to ergonomic.

    65 // PSYoungGen, PSOldGen, Eden, Survivor spaces are all resizable.

    66 //

    67 EdenMutableSpacePool::EdenMutableSpacePool(PSYoungGen* gen,

    68                                            MutableSpace* space,

    69                                            const char* name,

    70                                            PoolType type,

    71                                            bool support_usage_threshold) :

    72   CollectedMemoryPool(name, type, space->capacity_in_bytes(),

    73                       (gen->max_size() - gen->from_space()->capacity_in_bytes() - gen->to_space()->capacity_in_bytes()),

    74                        support_usage_threshold),

    75   _gen(gen), _space(space) {

    76 }

    78 MemoryUsage EdenMutableSpacePool::get_memory_usage() {

    79   size_t maxSize   = (available_for_allocation() ? max_size() : 0);

    80   size_t used = used_in_bytes();

    81   size_t committed = _space->capacity_in_bytes();

    83   return MemoryUsage(initial_size(), used, committed, maxSize);

    84 }

    86 // The max size of SurvivorMutableSpacePool =

    87 //     current capacity of the from-space

    88 //

    89 // PS from and to survivor spaces could have different sizes.

    90 //

    91 SurvivorMutableSpacePool::SurvivorMutableSpacePool(PSYoungGen* gen,

    92                                                    const char* name,

    93                                                    PoolType type,

    94                                                    bool support_usage_threshold) :

    95   CollectedMemoryPool(name, type, gen->from_space()->capacity_in_bytes(),

    96                       gen->from_space()->capacity_in_bytes(),

    97                       support_usage_threshold), _gen(gen) {

    98 }

   100 MemoryUsage SurvivorMutableSpacePool::get_memory_usage() {

   101   size_t maxSize = (available_for_allocation() ? max_size() : 0);

   102   size_t used    = used_in_bytes();

   103   size_t committed = committed_in_bytes();

   104   return MemoryUsage(initial_size(), used, committed, maxSize);

   105 }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/services/psMemoryPool.cpp@1d7922586cf6

src/share/vm/services/psMemoryPool.cpp