1 /* 2 * Copyright (c) 1997, 2010, 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 25 #include "precompiled.hpp" 26 #include "classfile/javaClasses.hpp" 27 #include "oops/oop.inline.hpp" 28 #include "runtime/handles.inline.hpp" 29 #include "utilities/copy.hpp" 30 #ifdef TARGET_OS_FAMILY_linux 31 # include "thread_linux.inline.hpp" 32 #endif 33 #ifdef TARGET_OS_FAMILY_solaris 34 # include "thread_solaris.inline.hpp" 35 #endif 36 #ifdef TARGET_OS_FAMILY_windows 37 # include "thread_windows.inline.hpp" 38 #endif 39 40 bool always_do_update_barrier = false; 41 42 BarrierSet* oopDesc::_bs = NULL; 43 44 void oopDesc::print_on(outputStream* st) const { 45 if (this == NULL) { 46 st->print_cr("NULL"); 47 } else { 48 blueprint()->oop_print_on(oop(this), st); 49 } 50 } 51 52 void oopDesc::print_address_on(outputStream* st) const { 53 if (PrintOopAddress) { 54 st->print("{"INTPTR_FORMAT"}", this); 55 } 56 } 57 58 void oopDesc::print() { print_on(tty); } 59 60 void oopDesc::print_address() { print_address_on(tty); } 61 62 char* oopDesc::print_string() { 63 stringStream st; 64 print_on(&st); 65 return st.as_string(); 66 } 67 68 void oopDesc::print_value() { 69 print_value_on(tty); 70 } 71 72 char* oopDesc::print_value_string() { 73 char buf[100]; 74 stringStream st(buf, sizeof(buf)); 75 print_value_on(&st); 76 return st.as_string(); 77 } 78 79 void oopDesc::print_value_on(outputStream* st) const { 80 oop obj = oop(this); 81 if (this == NULL) { 82 st->print("NULL"); 83 } else if (java_lang_String::is_instance(obj)) { 84 java_lang_String::print(obj, st); 85 if (PrintOopAddress) print_address_on(st); 86 #ifdef ASSERT 87 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) { 88 st->print("### BAD OOP %p ###", (address)obj); 89 #endif //ASSERT 90 } else { 91 blueprint()->oop_print_value_on(obj, st); 92 } 93 } 94 95 96 void oopDesc::verify_on(outputStream* st) { 97 if (this != NULL) { 98 blueprint()->oop_verify_on(this, st); 99 } 100 } 101 102 103 void oopDesc::verify() { 104 verify_on(tty); 105 } 106 107 108 // XXX verify_old_oop doesn't do anything (should we remove?) 109 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) { 110 blueprint()->oop_verify_old_oop(this, p, allow_dirty); 111 } 112 113 void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) { 114 blueprint()->oop_verify_old_oop(this, p, allow_dirty); 115 } 116 117 bool oopDesc::partially_loaded() { 118 return blueprint()->oop_partially_loaded(this); 119 } 120 121 122 void oopDesc::set_partially_loaded() { 123 blueprint()->oop_set_partially_loaded(this); 124 } 125 126 127 intptr_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 } 135 136 VerifyOopClosure VerifyOopClosure::verify_oop; 137 138 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); } 139 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }