1 /* 2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #include "precompiled.hpp" 25 #include "gc/z/zHeap.hpp" 26 #include "gc/z/zOopClosures.inline.hpp" 27 #include "gc/z/zOop.inline.hpp" 28 #include "memory/iterator.inline.hpp" 29 #include "oops/access.inline.hpp" 30 #include "oops/oop.inline.hpp" 31 #include "runtime/safepoint.hpp" 32 #include "utilities/debug.hpp" 33 #include "utilities/globalDefinitions.hpp" 34 35 void ZVerifyOopClosure::do_oop(oop* p) { 36 guarantee(SafepointSynchronize::is_at_safepoint(), "Must be at a safepoint"); 37 guarantee(ZGlobalPhase == ZPhaseMarkCompleted, "Invalid phase"); 38 guarantee(!ZResurrection::is_blocked(), "Invalid phase"); 39 40 const oop o = RawAccess<>::oop_load(p); 41 if (o != NULL) { 42 guarantee(ZOop::is_good(o) || ZOop::is_finalizable_good(o), 43 "Bad oop " PTR_FORMAT " found at " PTR_FORMAT ", expected " PTR_FORMAT, 44 p2i(o), p2i(p), p2i(ZOop::good(o))); 45 guarantee(oopDesc::is_oop(ZOop::good(o)), 46 "Bad object " PTR_FORMAT " found at " PTR_FORMAT, 47 p2i(o), p2i(p)); 48 } 49 } 50 51 void ZVerifyOopClosure::do_oop(narrowOop* p) { 52 ShouldNotReachHere(); 53 } 54 55 void ZVerifyObjectClosure::do_object(oop o) { 56 ZVerifyOopClosure cl; 57 o->oop_iterate(&cl); 58 }