|
0
|
1 /*
|
|
337
|
2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
|
|
0
|
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 // Interface for thread local storage
|
|
|
26
|
|
|
27 // Fast variant of ThreadLocalStorage::get_thread_slow
|
|
|
28 extern "C" Thread* get_thread();
|
|
|
29
|
|
|
30 // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
|
|
|
31 extern "C" uintptr_t _raw_thread_id();
|
|
|
32
|
|
|
33 class ThreadLocalStorage : AllStatic {
|
|
|
34 public:
|
|
|
35 static void set_thread(Thread* thread);
|
|
|
36 static Thread* get_thread_slow();
|
|
|
37 static void invalidate_all() { pd_invalidate_all(); }
|
|
|
38
|
|
|
39 // Machine dependent stuff
|
|
|
40 #include "incls/_threadLS_pd.hpp.incl"
|
|
|
41
|
|
|
42 public:
|
|
|
43 // Accessor
|
|
|
44 static inline int thread_index() { return _thread_index; }
|
|
|
45 static inline void set_thread_index(int index) { _thread_index = index; }
|
|
|
46
|
|
|
47 // Initialization
|
|
|
48 // Called explicitly from VMThread::activate_system instead of init_globals.
|
|
|
49 static void init();
|
|
242
|
50 static bool is_initialized();
|
|
0
|
51
|
|
|
52 private:
|
|
|
53 static int _thread_index;
|
|
|
54
|
|
|
55 static void generate_code_for_get_thread();
|
|
|
56
|
|
|
57 // Processor dependent parts of set_thread and initialization
|
|
|
58 static void pd_set_thread(Thread* thread);
|
|
|
59 static void pd_init();
|
|
|
60 // Invalidate any thread cacheing or optimization schemes.
|
|
|
61 static void pd_invalidate_all();
|
|
|
62
|
|
|
63 };
|
