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src/share/vm/oops/annotations.cpp@624a0741915c (annotated)

src/share/vm/oops/annotations.cpp

Thu, 04 Apr 2019 17:56:29 +0800

author

aoqi

date

Thu, 04 Apr 2019 17:56:29 +0800

changeset 9572

624a0741915c

parent 6876

710a3c8b516e

permissions

-rw-r--r--

Merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#include "precompiled.hpp"
aoqi@0	26	#include "classfile/classLoaderData.hpp"
aoqi@0	27	#include "memory/heapInspection.hpp"
aoqi@0	28	#include "memory/metadataFactory.hpp"
aoqi@0	29	#include "memory/oopFactory.hpp"
aoqi@0	30	#include "oops/annotations.hpp"
aoqi@0	31	#include "oops/instanceKlass.hpp"
aoqi@0	32	#include "utilities/ostream.hpp"
aoqi@0	33
aoqi@0	34	// Allocate annotations in metadata area
aoqi@0	35	Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) {
aoqi@0	36	return new (loader_data, size(), true, MetaspaceObj::AnnotationType, THREAD) Annotations();
aoqi@0	37	}
aoqi@0	38
aoqi@0	39	// helper
aoqi@0	40	void Annotations::free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {
aoqi@0	41	if (p != NULL) {
aoqi@0	42	for (int i = 0; i < p->length(); i++) {
aoqi@0	43	MetadataFactory::free_array<u1>(loader_data, p->at(i));
aoqi@0	44	}
aoqi@0	45	MetadataFactory::free_array<AnnotationArray*>(loader_data, p);
aoqi@0	46	}
aoqi@0	47	}
aoqi@0	48
aoqi@0	49	void Annotations::deallocate_contents(ClassLoaderData* loader_data) {
aoqi@0	50	if (class_annotations() != NULL) {
aoqi@0	51	MetadataFactory::free_array<u1>(loader_data, class_annotations());
aoqi@0	52	}
aoqi@0	53	free_contents(loader_data, fields_annotations());
aoqi@0	54
aoqi@0	55	if (class_type_annotations() != NULL) {
aoqi@0	56	MetadataFactory::free_array<u1>(loader_data, class_type_annotations());
aoqi@0	57	}
aoqi@0	58	free_contents(loader_data, fields_type_annotations());
aoqi@0	59	}
aoqi@0	60
aoqi@0	61	// Copy annotations to JVM call or reflection to the java heap.
aoqi@0	62	// The alternative to creating this array and adding to Java heap pressure
aoqi@0	63	// is to have a hashtable of the already created typeArrayOops
aoqi@0	64	typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) {
aoqi@0	65	if (annotations != NULL) {
aoqi@0	66	int length = annotations->length();
aoqi@0	67	typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL);
aoqi@0	68	for (int i = 0; i< length; i++) {
aoqi@0	69	copy->byte_at_put(i, annotations->at(i));
aoqi@0	70	}
aoqi@0	71	return copy;
aoqi@0	72	} else {
aoqi@0	73	return NULL;
aoqi@0	74	}
aoqi@0	75	}
aoqi@0	76
aoqi@0	77
aoqi@0	78	void Annotations::print_value_on(outputStream* st) const {
aoqi@0	79	st->print("Anotations(" INTPTR_FORMAT ")", p2i(this));
aoqi@0	80	}
aoqi@0	81
aoqi@0	82	#if INCLUDE_SERVICES
aoqi@0	83	// Size Statistics
aoqi@0	84
aoqi@0	85	julong Annotations::count_bytes(Array<AnnotationArray*>* p) {
aoqi@0	86	julong bytes = 0;
aoqi@0	87	if (p != NULL) {
aoqi@0	88	for (int i = 0; i < p->length(); i++) {
aoqi@0	89	bytes += KlassSizeStats::count_array(p->at(i));
aoqi@0	90	}
aoqi@0	91	bytes += KlassSizeStats::count_array(p);
aoqi@0	92	}
aoqi@0	93	return bytes;
aoqi@0	94	}
aoqi@0	95
aoqi@0	96	void Annotations::collect_statistics(KlassSizeStats *sz) const {
aoqi@0	97	sz->_annotations_bytes = sz->count(this);
aoqi@0	98	sz->_class_annotations_bytes = sz->count(class_annotations());
aoqi@0	99	sz->_class_type_annotations_bytes = sz->count(class_type_annotations());
aoqi@0	100	sz->_fields_annotations_bytes = count_bytes(fields_annotations());
aoqi@0	101	sz->_fields_type_annotations_bytes = count_bytes(fields_type_annotations());
aoqi@0	102
aoqi@0	103	sz->_annotations_bytes +=
aoqi@0	104	sz->_class_annotations_bytes +
aoqi@0	105	sz->_class_type_annotations_bytes +
aoqi@0	106	sz->_fields_annotations_bytes +
aoqi@0	107	sz->_fields_type_annotations_bytes;
aoqi@0	108
aoqi@0	109	sz->_ro_bytes += sz->_annotations_bytes;
aoqi@0	110	}
aoqi@0	111	#endif // INCLUDE_SERVICES
aoqi@0	112
aoqi@0	113	#define BULLET " - "
aoqi@0	114
aoqi@0	115	#ifndef PRODUCT
aoqi@0	116	void Annotations::print_on(outputStream* st) const {
aoqi@0	117	st->print(BULLET"class_annotations "); class_annotations()->print_value_on(st);
aoqi@0	118	st->print(BULLET"fields_annotations "); fields_annotations()->print_value_on(st);
aoqi@0	119	st->print(BULLET"class_type_annotations "); class_type_annotations()->print_value_on(st);
aoqi@0	120	st->print(BULLET"fields_type_annotations "); fields_type_annotations()->print_value_on(st);
aoqi@0	121	}
aoqi@0	122	#endif // PRODUCT