jdk8-mips64-public/hotspot: src/share/vm/oops/oop.cpp@a79cb7c55012

7132690: InstanceKlass:_reference_type should be u1 type
Summary: Change InstanceKlass::_reference_type to u1 type.
Reviewed-by: dholmes, coleenp, acorn
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>

     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

    39 #ifdef TARGET_OS_FAMILY_bsd

    40 # include "thread_bsd.inline.hpp"

    41 #endif

    43 bool always_do_update_barrier = false;

    45 BarrierSet* oopDesc::_bs = NULL;

    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 }

    55 void oopDesc::print_address_on(outputStream* st) const {

    56   if (PrintOopAddress) {

    57     st->print("{"INTPTR_FORMAT"}", this);

    58   }

    59 }

    61 void oopDesc::print()         { print_on(tty);         }

    63 void oopDesc::print_address() { print_address_on(tty); }

    65 char* oopDesc::print_string() {

    66   stringStream st;

    67   print_on(&st);

    68   return st.as_string();

    69 }

    71 void oopDesc::print_value() {

    72   print_value_on(tty);

    73 }

    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 }

    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 }

    99 void oopDesc::verify_on(outputStream* st) {

   100   if (this != NULL) {

   101     blueprint()->oop_verify_on(this, st);

   102   }

   103 }

   106 void oopDesc::verify() {

   107   verify_on(tty);

   108 }

   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 }

   116 void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) {

   117   blueprint()->oop_verify_old_oop(this, p, allow_dirty);

   118 }

   120 bool oopDesc::partially_loaded() {

   121   return blueprint()->oop_partially_loaded(this);

   122 }

   125 void oopDesc::set_partially_loaded() {

   126   blueprint()->oop_set_partially_loaded(this);

   127 }

   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 }

   139 VerifyOopClosure VerifyOopClosure::verify_oop;

   141 void VerifyOopClosure::do_oop(oop* p)       { VerifyOopClosure::do_oop_work(p); }

   142 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/oops/oop.cpp@a79cb7c55012

src/share/vm/oops/oop.cpp