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annotate src/share/vm/memory/iterator.cpp @ 20651:600c44255e5f

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8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations' Summary: Always use MDO if valid and always compile trivial methods with C1 if available. Reviewed-by: kvn, iveresov
author thartmann
date Tue, 11 Nov 2014 11:05:41 +0100
parents 2c6ef90f030a
children 7848fc12602b
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1 /*
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "memory/iterator.hpp"
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27 #include "oops/oop.inline.hpp"
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29 void KlassToOopClosure::do_klass(Klass* k) {
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30 assert(_oop_closure != NULL, "Not initialized?");
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31 k->oops_do(_oop_closure);
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32 }
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33
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34 void CLDToOopClosure::do_cld(ClassLoaderData* cld) {
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35 cld->oops_do(_oop_closure, &_klass_closure, _must_claim_cld);
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36 }
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37
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38 void CLDToKlassAndOopClosure::do_cld(ClassLoaderData* cld) {
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39 cld->oops_do(_oop_closure, _klass_closure, _must_claim_cld);
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40 }
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41
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42 void ObjectToOopClosure::do_object(oop obj) {
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43 obj->oop_iterate(_cl);
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44 }
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45
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46 void VoidClosure::do_void() {
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47 ShouldNotCallThis();
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48 }
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49
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50 void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {
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51 nm->oops_do(_cl);
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52 if (_fix_relocations) {
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53 nm->fix_oop_relocations();
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54 }
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55 }
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56
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57 void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
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58 nmethod* nm = cb->as_nmethod_or_null();
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59 if (nm != NULL) {
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60 do_nmethod(nm);
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61 }
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62 }
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63
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64 MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate)
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65 : _active(activate)
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66 {
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67 if (_active) nmethod::oops_do_marking_prologue();
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68 }
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70 MarkingCodeBlobClosure::MarkScope::~MarkScope() {
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71 if (_active) nmethod::oops_do_marking_epilogue();
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72 }
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73
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74 void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
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75 nmethod* nm = cb->as_nmethod_or_null();
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76 if (nm != NULL && !nm->test_set_oops_do_mark()) {
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77 do_nmethod(nm);
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78 }
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79 }