src/share/vm/oops/oop.cpp

Thu, 23 Jun 2011 17:14:06 -0700

author
jrose
date
Thu, 23 Jun 2011 17:14:06 -0700
changeset 2982
ddd894528dbc
parent 2314
f95d63e2154a
child 3156
f08d439fab8c
permissions
-rw-r--r--

7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
Reviewed-by: never

     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  */
    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
    40 bool always_do_update_barrier = false;
    42 BarrierSet* oopDesc::_bs = NULL;
    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 }
    52 void oopDesc::print_address_on(outputStream* st) const {
    53   if (PrintOopAddress) {
    54     st->print("{"INTPTR_FORMAT"}", this);
    55   }
    56 }
    58 void oopDesc::print()         { print_on(tty);         }
    60 void oopDesc::print_address() { print_address_on(tty); }
    62 char* oopDesc::print_string() {
    63   stringStream st;
    64   print_on(&st);
    65   return st.as_string();
    66 }
    68 void oopDesc::print_value() {
    69   print_value_on(tty);
    70 }
    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 }
    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 }
    96 void oopDesc::verify_on(outputStream* st) {
    97   if (this != NULL) {
    98     blueprint()->oop_verify_on(this, st);
    99   }
   100 }
   103 void oopDesc::verify() {
   104   verify_on(tty);
   105 }
   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 }
   113 void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) {
   114   blueprint()->oop_verify_old_oop(this, p, allow_dirty);
   115 }
   117 bool oopDesc::partially_loaded() {
   118   return blueprint()->oop_partially_loaded(this);
   119 }
   122 void oopDesc::set_partially_loaded() {
   123   blueprint()->oop_set_partially_loaded(this);
   124 }
   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 }
   136 VerifyOopClosure VerifyOopClosure::verify_oop;
   138 void VerifyOopClosure::do_oop(oop* p)       { VerifyOopClosure::do_oop_work(p); }
   139 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }

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