hotspot/src/share/vm/oops/oopsHierarchy.cpp
author dholmes
Fri, 04 Dec 2015 04:06:37 -0500
changeset 34633 2a6c7c7b30a7
parent 30764 fec48bf5a827
permissions -rw-r--r--
8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables Summary: Used compiled-based TLS when available. Additional contributions by Thomas Stufe (AIX) and Andrew Haley (Aarch64) Reviewed-by: stuefe, bdelsart, dcubed
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
30764
fec48bf5a827 8079792: GC directory structure cleanup
pliden
parents: 14583
diff changeset
     2
 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
5547
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
    21
 * questions.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    25
#include "precompiled.hpp"
30764
fec48bf5a827 8079792: GC directory structure cleanup
pliden
parents: 14583
diff changeset
    26
#include "gc/shared/collectedHeap.hpp"
fec48bf5a827 8079792: GC directory structure cleanup
pliden
parents: 14583
diff changeset
    27
#include "gc/shared/collectedHeap.inline.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    28
#include "oops/oopsHierarchy.hpp"
14583
d70ee55535f4 8003935: Simplify the needed includes for using Thread::current()
stefank
parents: 10565
diff changeset
    29
#include "runtime/thread.inline.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    30
#include "utilities/globalDefinitions.hpp"
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
#ifdef CHECK_UNHANDLED_OOPS
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
void oop::register_oop() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
  assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
  if (!Universe::is_fully_initialized()) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
  // This gets expensive, which is why checking unhandled oops is on a switch.
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 30764
diff changeset
    38
  Thread* t = Thread::current_or_null();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
  if (t != NULL && t->is_Java_thread()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
     frame fr = os::current_frame();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
     // This points to the oop creator, I guess current frame points to caller
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
     assert (fr.pc(), "should point to a vm frame");
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
     t->unhandled_oops()->register_unhandled_oop(this, fr.pc());
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
void oop::unregister_oop() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
  assert (CheckUnhandledOops, "should only call when CheckUnhandledOops");
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
  if (!Universe::is_fully_initialized()) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
  // This gets expensive, which is why checking unhandled oops is on a switch.
34633
2a6c7c7b30a7 8132510: Replace ThreadLocalStorage with compiler/language-based thread-local variables
dholmes
parents: 30764
diff changeset
    51
  Thread* t = Thread::current_or_null();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    52
  if (t != NULL && t->is_Java_thread()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    53
    t->unhandled_oops()->unregister_unhandled_oop(this);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    54
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    55
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    56
#endif // CHECK_UNHANDLED_OOPS