jdk8-mips64-public/hotspot: src/share/vm/oops/oop.cpp@e392695de029

6935224: Adding new DTrace probes to work with Palantir
Summary: Adding probes related to thread scheduling and class initialization
Reviewed-by: kamg, never

     1 /*

     2  * Copyright 1997-2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any 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 #ifdef PRODUCT

    33 void oopDesc::print_on(outputStream* st) const {}

    34 void oopDesc::print_address_on(outputStream* st) const {}

    35 char* oopDesc::print_string() { return NULL; }

    36 void oopDesc::print()         {}

    37 void oopDesc::print_address() {}

    39 #else //PRODUCT

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

    42   if (this == NULL) {

    43     st->print_cr("NULL");

    44   } else {

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

    46   }

    47 }

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

    50   if (PrintOopAddress) {

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

    52   }

    53 }

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

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

    59 char* oopDesc::print_string() {

    60   stringStream st;

    61   print_on(&st);

    62   return st.as_string();

    63 }

    65 #endif // PRODUCT

    67 // The print_value functions are present in all builds, to support the disassembler.

    69 void oopDesc::print_value() {

    70   print_value_on(tty);

    71 }

    73 char* oopDesc::print_value_string() {

    74   char buf[100];

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

    76   print_value_on(&st);

    77   return st.as_string();

    78 }

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

    81   oop obj = oop(this);

    82   if (this == NULL) {

    83     st->print("NULL");

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

    85     java_lang_String::print(obj, st);

    86 #ifndef PRODUCT

    87     if (PrintOopAddress) print_address_on(st);

    88 #endif //PRODUCT

    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@e392695de029

src/share/vm/oops/oop.cpp