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src/share/vm/memory/iterator.cpp@7ae4e26cb1e0 (annotated)

src/share/vm/memory/iterator.cpp

Thu, 12 Oct 2017 21:27:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 21:27:07 +0800

changeset 7535

7ae4e26cb1e0

parent 6992

2c6ef90f030a

parent 6876

710a3c8b516e

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2013, 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 "memory/iterator.hpp"
aoqi@0	27	#include "oops/oop.inline.hpp"
aoqi@0	28
aoqi@0	29	void KlassToOopClosure::do_klass(Klass* k) {
stefank@6982	30	assert(_oop_closure != NULL, "Not initialized?");
aoqi@0	31	k->oops_do(_oop_closure);
aoqi@0	32	}
aoqi@0	33
aoqi@0	34	void CLDToOopClosure::do_cld(ClassLoaderData* cld) {
aoqi@0	35	cld->oops_do(_oop_closure, &_klass_closure, _must_claim_cld);
aoqi@0	36	}
aoqi@0	37
stefank@6992	38	void CLDToKlassAndOopClosure::do_cld(ClassLoaderData* cld) {
stefank@6992	39	cld->oops_do(_oop_closure, _klass_closure, _must_claim_cld);
stefank@6992	40	}
stefank@6992	41
aoqi@0	42	void ObjectToOopClosure::do_object(oop obj) {
aoqi@0	43	obj->oop_iterate(_cl);
aoqi@0	44	}
aoqi@0	45
aoqi@0	46	void VoidClosure::do_void() {
aoqi@0	47	ShouldNotCallThis();
aoqi@0	48	}
aoqi@0	49
stefank@6992	50	void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {
stefank@6992	51	nm->oops_do(_cl);
stefank@6992	52	if (_fix_relocations) {
stefank@6992	53	nm->fix_oop_relocations();
stefank@6992	54	}
stefank@6992	55	}
stefank@6992	56
stefank@6992	57	void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
stefank@6992	58	nmethod* nm = cb->as_nmethod_or_null();
stefank@6992	59	if (nm != NULL) {
stefank@6992	60	do_nmethod(nm);
stefank@6992	61	}
stefank@6992	62	}
stefank@6992	63
aoqi@0	64	MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)
aoqi@0	65	: _active(activate)
aoqi@0	66	{
aoqi@0	67	if (_active) nmethod::oops_do_marking_prologue();
aoqi@0	68	}
aoqi@0	69
aoqi@0	70	MarkingCodeBlobClosure::MarkScope::~MarkScope() {
aoqi@0	71	if (_active) nmethod::oops_do_marking_epilogue();
aoqi@0	72	}
aoqi@0	73
aoqi@0	74	void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
aoqi@0	75	nmethod* nm = cb->as_nmethod_or_null();
stefank@6992	76	if (nm != NULL && !nm->test_set_oops_do_mark()) {
stefank@6992	77	do_nmethod(nm);
aoqi@0	78	}
aoqi@0	79	}