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comparison src/os_cpu/windows_x86/vm/threadLS_windows_x86.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1998-2003 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 */
24
25 // Provides an entry point we can link against and
26 // a buffer we can emit code into. The buffer is
27 // filled by ThreadLocalStorage::generate_code_for_get_thread
28 // and called from ThreadLocalStorage::thread()
29
30 #include "incls/_precompiled.incl"
31 #include "incls/_threadLS_windows_x86.cpp.incl"
32
33 int ThreadLocalStorage::_thread_ptr_offset = 0;
34
35 static void call_wrapper_dummy() {}
36
37 // We need to call the os_exception_wrapper once so that it sets
38 // up the offset from FS of the thread pointer.
39 void ThreadLocalStorage::generate_code_for_get_thread() {
40 os::os_exception_wrapper( (java_call_t)call_wrapper_dummy,
41 NULL, NULL, NULL, NULL);
42 }
43
44 void ThreadLocalStorage::pd_init() { }
45
46 void ThreadLocalStorage::pd_set_thread(Thread* thread) {
47 os::thread_local_storage_at_put(ThreadLocalStorage::thread_index(), thread);
48 }