jdk8-mips64-public/hotspot: src/share/vm/oops/oop.cpp@126ea7725993

6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes

     1 /*

     2  * Copyright (c) 1997, 2009, 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 "incls/_precompiled.incl"

    26 # include "incls/_oop.cpp.incl"

    28 bool always_do_update_barrier = false;

    30 BarrierSet* oopDesc::_bs = NULL;

    32 void oopDesc::print_on(outputStream* st) const {

    33   if (this == NULL) {

    34     st->print_cr("NULL");

    35   } else {

    36     blueprint()->oop_print_on(oop(this), st);

    37   }

    38 }

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

    41   if (PrintOopAddress) {

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

    43   }

    44 }

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

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

    50 char* oopDesc::print_string() {

    51   stringStream st;

    52   print_on(&st);

    53   return st.as_string();

    54 }

    56 void oopDesc::print_value() {

    57   print_value_on(tty);

    58 }

    60 char* oopDesc::print_value_string() {

    61   char buf[100];

    62   stringStream st(buf, sizeof(buf));

    63   print_value_on(&st);

    64   return st.as_string();

    65 }

    67 void oopDesc::print_value_on(outputStream* st) const {

    68   oop obj = oop(this);

    69   if (this == NULL) {

    70     st->print("NULL");

    71   } else if (java_lang_String::is_instance(obj)) {

    72     java_lang_String::print(obj, st);

    73     if (PrintOopAddress) print_address_on(st);

    74 #ifdef ASSERT

    75   } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {

    76     st->print("### BAD OOP %p ###", (address)obj);

    77 #endif //ASSERT

    78   } else {

    79     blueprint()->oop_print_value_on(obj, st);

    80   }

    81 }

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

    85   if (this != NULL) {

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

    87   }

    88 }

    91 void oopDesc::verify() {

    92   verify_on(tty);

    93 }

    96 // XXX verify_old_oop doesn't do anything (should we remove?)

    97 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) {

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

    99 }

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

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

   103 }

   105 bool oopDesc::partially_loaded() {

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

   107 }

   110 void oopDesc::set_partially_loaded() {

   111   blueprint()->oop_set_partially_loaded(this);

   112 }

   115 intptr_t oopDesc::slow_identity_hash() {

   116   // slow case; we have to acquire the micro lock in order to locate the header

   117   ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY

   118   HandleMark hm;

   119   Handle object((oop)this);

   120   assert(!is_shared_readonly(), "using identity hash on readonly object?");

   121   return ObjectSynchronizer::identity_hash_value_for(object);

   122 }

   124 VerifyOopClosure VerifyOopClosure::verify_oop;

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

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

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

src/share/vm/oops/oop.cpp@126ea7725993

src/share/vm/oops/oop.cpp