hotspot/src/os_cpu/windows_x86/vm/threadLS_windows_x86.cpp
author stefank
Tue, 27 Nov 2012 14:20:21 +0100
changeset 14583 d70ee55535f4
parent 7397 5b173b4ca846
permissions -rw-r--r--
8003935: Simplify the needed includes for using Thread::current() Reviewed-by: dholmes, rbackman, coleenp
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
     2
 * Copyright (c) 1998, 2010, 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"
14583
d70ee55535f4 8003935: Simplify the needed includes for using Thread::current()
stefank
parents: 7397
diff changeset
    26
#include "runtime/thread.inline.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    27
#include "runtime/threadLocalStorage.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    28
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    29
// Provides an entry point we can link against and
489c9b5090e2 Initial load
duke
parents:
diff changeset
    30
// a buffer we can emit code into. The buffer is
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
// filled by ThreadLocalStorage::generate_code_for_get_thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
// and called from ThreadLocalStorage::thread()
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
int ThreadLocalStorage::_thread_ptr_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
static void call_wrapper_dummy() {}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
// We need to call the os_exception_wrapper once so that it sets
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
// up the offset from FS of the thread pointer.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
void ThreadLocalStorage::generate_code_for_get_thread() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
      os::os_exception_wrapper( (java_call_t)call_wrapper_dummy,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
                                NULL, NULL, NULL, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
void ThreadLocalStorage::pd_init() { }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
void ThreadLocalStorage::pd_set_thread(Thread* thread)  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
  os::thread_local_storage_at_put(ThreadLocalStorage::thread_index(), thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
}