fbafef11c0
Make MutexLocker be MutexLockerEx implementation, remove MutexLockerEx calls. Reviewed-by: dcubed, dholmes, pliden, rehn
98 lines
3.7 KiB
C++
98 lines
3.7 KiB
C++
/*
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* Copyright (c) 2017, 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "gc/g1/g1CollectedHeap.hpp"
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#include "gc/g1/g1FullGCMarker.inline.hpp"
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#include "gc/g1/g1FullGCOopClosures.inline.hpp"
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#include "logging/logStream.hpp"
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#include "memory/iterator.inline.hpp"
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#include "oops/access.inline.hpp"
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#include "oops/compressedOops.inline.hpp"
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#include "oops/oop.inline.hpp"
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void G1FollowStackClosure::do_void() { _marker->drain_stack(); }
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void G1FullKeepAliveClosure::do_oop(oop* p) { do_oop_work(p); }
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void G1FullKeepAliveClosure::do_oop(narrowOop* p) { do_oop_work(p); }
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G1VerifyOopClosure::G1VerifyOopClosure(VerifyOption option) :
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_g1h(G1CollectedHeap::heap()),
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_failures(false),
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_containing_obj(NULL),
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_verify_option(option),
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_cc(0) {
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}
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void G1VerifyOopClosure::print_object(outputStream* out, oop obj) {
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#ifdef PRODUCT
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Klass* k = obj->klass();
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const char* class_name = InstanceKlass::cast(k)->external_name();
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out->print_cr("class name %s", class_name);
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#else // PRODUCT
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obj->print_on(out);
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#endif // PRODUCT
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}
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template <class T> void G1VerifyOopClosure::do_oop_work(T* p) {
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T heap_oop = RawAccess<>::oop_load(p);
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if (!CompressedOops::is_null(heap_oop)) {
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_cc++;
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oop obj = CompressedOops::decode_not_null(heap_oop);
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bool failed = false;
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if (!_g1h->is_in(obj) || _g1h->is_obj_dead_cond(obj, _verify_option)) {
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MutexLocker x(ParGCRareEvent_lock, Mutex::_no_safepoint_check_flag);
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LogStreamHandle(Error, gc, verify) yy;
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if (!_failures) {
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yy.cr();
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yy.print_cr("----------");
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}
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if (!_g1h->is_in(obj)) {
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HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p);
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yy.print_cr("Field " PTR_FORMAT " of live obj " PTR_FORMAT " in region " HR_FORMAT,
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p2i(p), p2i(_containing_obj), HR_FORMAT_PARAMS(from));
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print_object(&yy, _containing_obj);
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yy.print_cr("points to obj " PTR_FORMAT " not in the heap",
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p2i(obj));
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} else {
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HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p);
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HeapRegion* to = _g1h->heap_region_containing((HeapWord*)obj);
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yy.print_cr("Field " PTR_FORMAT " of live obj " PTR_FORMAT " in region " HR_FORMAT,
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p2i(p), p2i(_containing_obj), HR_FORMAT_PARAMS(from));
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print_object(&yy, _containing_obj);
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yy.print_cr("points to dead obj " PTR_FORMAT " in region " HR_FORMAT,
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p2i(obj), HR_FORMAT_PARAMS(to));
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print_object(&yy, obj);
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}
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yy.print_cr("----------");
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yy.flush();
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_failures = true;
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failed = true;
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}
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}
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}
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template void G1VerifyOopClosure::do_oop_work(oop*);
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template void G1VerifyOopClosure::do_oop_work(narrowOop*);
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