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annotate src/os_cpu/windows_x86/vm/threadLS_windows_x86.cpp @ 7212:291ffc492eb6

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Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
author Doug Simon <doug.simon@oracle.com>
date Fri, 14 Dec 2012 14:35:13 +0100
parents e37be4557f0b f34d701e952e
children b8f261ba79c6
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1 /*
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2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "runtime/thread.inline.hpp"
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27 #include "runtime/threadLocalStorage.hpp"
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28
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29 // Provides an entry point we can link against and
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30 // a buffer we can emit code into. The buffer is
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31 // filled by ThreadLocalStorage::generate_code_for_get_thread
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32 // and called from ThreadLocalStorage::thread()
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34 int ThreadLocalStorage::_thread_ptr_offset = 0;
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36 static void call_wrapper_dummy() {}
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37
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38 // We need to call the os_exception_wrapper once so that it sets
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39 // up the offset from FS of the thread pointer.
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40 void ThreadLocalStorage::generate_code_for_get_thread() {
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41 os::os_exception_wrapper( (java_call_t)call_wrapper_dummy,
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e37be4557f0b Small fix for windows.
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42 NULL, NULL, NULL, NULL, NULL);
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43 }
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45 void ThreadLocalStorage::pd_init() { }
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46
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47 void ThreadLocalStorage::pd_set_thread(Thread* thread) {
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48 os::thread_local_storage_at_put(ThreadLocalStorage::thread_index(), thread);
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49 }