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 #ifdef TARGET_OS_FAMILY_bsd 40 # include "thread_bsd.inline.hpp" 41 #endif 42 43 bool always_do_update_barrier = false; 44 45 BarrierSet* oopDesc::_bs = NULL; 46 47 void oopDesc::print_on(outputStream* st) const { 48 if (this == NULL) { 49 st->print_cr("NULL"); 50 } else { 51 blueprint()->oop_print_on(oop(this), st); 52 } 53 } 54 55 void oopDesc::print_address_on(outputStream* st) const { 56 if (PrintOopAddress) { 57 st->print("{"INTPTR_FORMAT"}", this); 58 } 59 } 60 61 void oopDesc::print() { print_on(tty); } 62 63 void oopDesc::print_address() { print_address_on(tty); } 64 65 char* oopDesc::print_string() { 66 stringStream st; 67 print_on(&st); 68 return st.as_string(); 69 } 70 71 void oopDesc::print_value() { 72 print_value_on(tty); 73 } 74 75 char* oopDesc::print_value_string() { 76 char buf[100]; 77 stringStream st(buf, sizeof(buf)); 78 print_value_on(&st); 79 return st.as_string(); 80 } 81 82 void oopDesc::print_value_on(outputStream* st) const { 83 oop obj = oop(this); 84 if (this == NULL) { 85 st->print("NULL"); 86 } else if (java_lang_String::is_instance(obj)) { 87 java_lang_String::print(obj, st); 88 if (PrintOopAddress) print_address_on(st); 89 #ifdef ASSERT 90 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) { 91 st->print("### BAD OOP %p ###", (address)obj); 92 #endif //ASSERT 93 } else { 94 blueprint()->oop_print_value_on(obj, st); 95 } 96 } 97 98 99 void oopDesc::verify_on(outputStream* st) { 100 if (this != NULL) { 101 blueprint()->oop_verify_on(this, st); 102 } 103 } 104 105 106 void oopDesc::verify() { 107 verify_on(tty); 108 } 109 110 111 // XXX verify_old_oop doesn't do anything (should we remove?) 112 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) { 113 blueprint()->oop_verify_old_oop(this, p, allow_dirty); 114 } 115 116 void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) { 117 blueprint()->oop_verify_old_oop(this, p, allow_dirty); 118 } 119 120 bool oopDesc::partially_loaded() { 121 return blueprint()->oop_partially_loaded(this); 122 } 123 124 125 void oopDesc::set_partially_loaded() { 126 blueprint()->oop_set_partially_loaded(this); 127 } 128 129 130 intptr_t oopDesc::slow_identity_hash() { 131 // slow case; we have to acquire the micro lock in order to locate the header 132 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY 133 HandleMark hm; 134 Handle object((oop)this); 135 assert(!is_shared_readonly(), "using identity hash on readonly object?"); 136 return ObjectSynchronizer::identity_hash_value_for(object); 137 } 138 139 VerifyOopClosure VerifyOopClosure::verify_oop; 140 141 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); } 142 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }