src/share/vm/oops/oopsHierarchy.cpp

Mon, 25 Jun 2012 21:33:35 -0400

author
coleenp
date
Mon, 25 Jun 2012 21:33:35 -0400
changeset 3875
246d977b51f2
parent 3156
f08d439fab8c
child 4299
f34d701e952e
permissions
-rw-r--r--

7178670: runtime/7158800/BadUtf8.java fails in SymbolTable::rehash_table
Summary: Cannot delete _buckets and HashtableEntries in shared space (CDS)
Reviewed-by: acorn, kvn, dlong, dcubed, kamg

     1 /*
     2  * Copyright (c) 2005, 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 "gc_interface/collectedHeap.hpp"
    27 #include "gc_interface/collectedHeap.inline.hpp"
    28 #include "oops/oopsHierarchy.hpp"
    29 #include "runtime/thread.hpp"
    30 #include "utilities/globalDefinitions.hpp"
    31 #ifdef TARGET_OS_FAMILY_linux
    32 # include "thread_linux.inline.hpp"
    33 #endif
    34 #ifdef TARGET_OS_FAMILY_solaris
    35 # include "thread_solaris.inline.hpp"
    36 #endif
    37 #ifdef TARGET_OS_FAMILY_windows
    38 # include "thread_windows.inline.hpp"
    39 #endif
    40 #ifdef TARGET_OS_FAMILY_bsd
    41 # include "thread_bsd.inline.hpp"
    42 #endif
    44 #ifdef CHECK_UNHANDLED_OOPS
    46 void oop::register_oop() {
    47   assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
    48   if (!Universe::is_fully_initialized()) return;
    49   // This gets expensive, which is why checking unhandled oops is on a switch.
    50   Thread* t = ThreadLocalStorage::thread();
    51   if (t != NULL && t->is_Java_thread()) {
    52      frame fr = os::current_frame();
    53      // This points to the oop creator, I guess current frame points to caller
    54      assert (fr.pc(), "should point to a vm frame");
    55      t->unhandled_oops()->register_unhandled_oop(this, fr.pc());
    56   }
    57 }
    59 void oop::unregister_oop() {
    60   assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
    61   if (!Universe::is_fully_initialized()) return;
    62   // This gets expensive, which is why checking unhandled oops is on a switch.
    63   Thread* t = ThreadLocalStorage::thread();
    64   if (t != NULL && t->is_Java_thread()) {
    65     t->unhandled_oops()->unregister_unhandled_oop(this);
    66   }
    67 }
    68 #endif // CHECK_UNHANDLED_OOPS

mercurial