oop.cpp revision 196:d1605aabd0a1
1/* 2 * Copyright 1997-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25# include "incls/_precompiled.incl" 26# include "incls/_oop.cpp.incl" 27 28bool always_do_update_barrier = false; 29 30BarrierSet* oopDesc::_bs = NULL; 31 32#ifdef PRODUCT 33void oopDesc::print_on(outputStream* st) const {} 34void oopDesc::print_value_on(outputStream* st) const {} 35void oopDesc::print_address_on(outputStream* st) const {} 36char* oopDesc::print_value_string() { return NULL; } 37char* oopDesc::print_string() { return NULL; } 38void oopDesc::print() {} 39void oopDesc::print_value() {} 40void oopDesc::print_address() {} 41#else 42void oopDesc::print_on(outputStream* st) const { 43 if (this == NULL) { 44 st->print_cr("NULL"); 45 } else { 46 blueprint()->oop_print_on(oop(this), st); 47 } 48} 49 50void oopDesc::print_value_on(outputStream* st) const { 51 oop obj = oop(this); 52 if (this == NULL) { 53 st->print("NULL"); 54 } else if (java_lang_String::is_instance(obj)) { 55 java_lang_String::print(obj, st); 56 if (PrintOopAddress) print_address_on(st); 57#ifdef ASSERT 58 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) { 59 st->print("### BAD OOP %p ###", (address)obj); 60#endif 61 } else { 62 blueprint()->oop_print_value_on(obj, st); 63 } 64} 65 66void oopDesc::print_address_on(outputStream* st) const { 67 if (PrintOopAddress) { 68 st->print("{"); 69 if (PrintOopAddress) { 70 st->print(INTPTR_FORMAT, this); 71 } 72 st->print("}"); 73 } 74} 75 76void oopDesc::print() { print_on(tty); } 77 78void oopDesc::print_value() { print_value_on(tty); } 79 80void oopDesc::print_address() { print_address_on(tty); } 81 82char* oopDesc::print_string() { 83 stringStream* st = new stringStream(); 84 print_on(st); 85 return st->as_string(); 86} 87 88char* oopDesc::print_value_string() { 89 stringStream* st = new stringStream(); 90 print_value_on(st); 91 return st->as_string(); 92} 93 94#endif // PRODUCT 95 96void oopDesc::verify_on(outputStream* st) { 97 if (this != NULL) { 98 blueprint()->oop_verify_on(this, st); 99 } 100} 101 102 103void oopDesc::verify() { 104 verify_on(tty); 105} 106 107 108// XXX verify_old_oop doesn't do anything (should we remove?) 109void oopDesc::verify_old_oop(oop* p, bool allow_dirty) { 110 blueprint()->oop_verify_old_oop(this, p, allow_dirty); 111} 112 113void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) { 114 blueprint()->oop_verify_old_oop(this, p, allow_dirty); 115} 116 117bool oopDesc::partially_loaded() { 118 return blueprint()->oop_partially_loaded(this); 119} 120 121 122void oopDesc::set_partially_loaded() { 123 blueprint()->oop_set_partially_loaded(this); 124} 125 126 127intptr_t oopDesc::slow_identity_hash() { 128 // slow case; we have to acquire the micro lock in order to locate the header 129 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY 130 HandleMark hm; 131 Handle object((oop)this); 132 assert(!is_shared_readonly(), "using identity hash on readonly object?"); 133 return ObjectSynchronizer::identity_hash_value_for(object); 134} 135 136VerifyOopClosure VerifyOopClosure::verify_oop; 137 138void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); } 139void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); } 140