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/*
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* Copyright 1997-2001 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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# include "incls/_precompiled.incl"
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# include "incls/_iterator.cpp.incl"
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void ObjectToOopClosure::do_object(oop obj) {
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obj->oop_iterate(_cl);
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}
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void VoidClosure::do_void() {
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ShouldNotCallThis();
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}
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3908
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MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)
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: _active(activate)
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{
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if (_active) nmethod::oops_do_marking_prologue();
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}
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MarkingCodeBlobClosure::MarkScope::~MarkScope() {
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if (_active) nmethod::oops_do_marking_epilogue();
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}
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void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
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if (!cb->is_nmethod()) return;
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nmethod* nm = (nmethod*) cb;
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if (!nm->test_set_oops_do_mark()) {
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NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, 1st visit\n"));
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do_newly_marked_nmethod(nm);
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} else {
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NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, skipped on 2nd visit\n"));
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}
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}
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void CodeBlobToOopClosure::do_newly_marked_nmethod(CodeBlob* cb) {
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cb->oops_do(_cl);
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}
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void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
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if (!_do_marking) {
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NOT_PRODUCT(if (TraceScavenge && Verbose && cb->is_nmethod()) ((nmethod*)cb)->print_on(tty, "oops_do, unmarked visit\n"));
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// This assert won't work, since there are lots of mini-passes
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// (mostly in debug mode) that co-exist with marking phases.
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//assert(!(cb->is_nmethod() && ((nmethod*)cb)->test_oops_do_mark()), "found marked nmethod during mark-free phase");
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cb->oops_do(_cl);
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} else {
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MarkingCodeBlobClosure::do_code_blob(cb);
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}
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}
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