jdk8-mips64-public/hotspot: src/share/vm/oops/annotations.cpp@f90c822e73f8

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 2012, 2014, 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/classLoaderData.hpp"

    27 #include "memory/heapInspection.hpp"

    28 #include "memory/metadataFactory.hpp"

    29 #include "memory/oopFactory.hpp"

    30 #include "oops/annotations.hpp"

    31 #include "oops/instanceKlass.hpp"

    32 #include "utilities/ostream.hpp"

    34 // Allocate annotations in metadata area

    35 Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) {

    36   return new (loader_data, size(), true, MetaspaceObj::AnnotationType, THREAD) Annotations();

    37 }

    39 // helper

    40 void Annotations::free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {

    41   if (p != NULL) {

    42     for (int i = 0; i < p->length(); i++) {

    43       MetadataFactory::free_array<u1>(loader_data, p->at(i));

    44     }

    45     MetadataFactory::free_array<AnnotationArray*>(loader_data, p);

    46   }

    47 }

    49 void Annotations::deallocate_contents(ClassLoaderData* loader_data) {

    50   if (class_annotations() != NULL) {

    51     MetadataFactory::free_array<u1>(loader_data, class_annotations());

    52   }

    53   free_contents(loader_data, fields_annotations());

    55   if (class_type_annotations() != NULL) {

    56     MetadataFactory::free_array<u1>(loader_data, class_type_annotations());

    57   }

    58   free_contents(loader_data, fields_type_annotations());

    59 }

    61 // Copy annotations to JVM call or reflection to the java heap.

    62 // The alternative to creating this array and adding to Java heap pressure

    63 // is to have a hashtable of the already created typeArrayOops

    64 typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) {

    65   if (annotations != NULL) {

    66     int length = annotations->length();

    67     typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL);

    68     for (int i = 0; i< length; i++) {

    69       copy->byte_at_put(i, annotations->at(i));

    70     }

    71     return copy;

    72   } else {

    73     return NULL;

    74   }

    75 }

    78 void Annotations::print_value_on(outputStream* st) const {

    79   st->print("Anotations(" INTPTR_FORMAT ")", p2i(this));

    80 }

    82 #if INCLUDE_SERVICES

    83 // Size Statistics

    85 julong Annotations::count_bytes(Array<AnnotationArray*>* p) {

    86   julong bytes = 0;

    87   if (p != NULL) {

    88     for (int i = 0; i < p->length(); i++) {

    89       bytes += KlassSizeStats::count_array(p->at(i));

    90     }

    91     bytes += KlassSizeStats::count_array(p);

    92   }

    93   return bytes;

    94 }

    96 void Annotations::collect_statistics(KlassSizeStats *sz) const {

    97   sz->_annotations_bytes = sz->count(this);

    98   sz->_class_annotations_bytes = sz->count(class_annotations());

    99   sz->_class_type_annotations_bytes = sz->count(class_type_annotations());

   100   sz->_fields_annotations_bytes = count_bytes(fields_annotations());

   101   sz->_fields_type_annotations_bytes = count_bytes(fields_type_annotations());

   103   sz->_annotations_bytes +=

   104       sz->_class_annotations_bytes +

   105       sz->_class_type_annotations_bytes +

   106       sz->_fields_annotations_bytes +

   107       sz->_fields_type_annotations_bytes;

   109   sz->_ro_bytes += sz->_annotations_bytes;

   110 }

   111 #endif // INCLUDE_SERVICES

   113 #define BULLET  " - "

   115 #ifndef PRODUCT

   116 void Annotations::print_on(outputStream* st) const {

   117   st->print(BULLET"class_annotations            "); class_annotations()->print_value_on(st);

   118   st->print(BULLET"fields_annotations           "); fields_annotations()->print_value_on(st);

   119   st->print(BULLET"class_type_annotations       "); class_type_annotations()->print_value_on(st);

   120   st->print(BULLET"fields_type_annotations      "); fields_type_annotations()->print_value_on(st);

   121 }

   122 #endif // PRODUCT

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