Mercurial > hg > truffle
annotate src/share/vm/runtime/threadLocalStorage.hpp @ 2831:f072013daba9
Added lookup method.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Tue, 31 May 2011 11:32:48 +0200 |
parents | 1d1603768966 |
children | f08d439fab8c |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. 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 * | |
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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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP |
26 #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP | |
27 | |
28 #include "gc_implementation/shared/gcUtil.hpp" | |
29 #include "runtime/os.hpp" | |
30 #include "utilities/top.hpp" | |
31 | |
0 | 32 // Interface for thread local storage |
33 | |
34 // Fast variant of ThreadLocalStorage::get_thread_slow | |
35 extern "C" Thread* get_thread(); | |
36 | |
37 // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86 | |
38 extern "C" uintptr_t _raw_thread_id(); | |
39 | |
40 class ThreadLocalStorage : AllStatic { | |
41 public: | |
42 static void set_thread(Thread* thread); | |
43 static Thread* get_thread_slow(); | |
44 static void invalidate_all() { pd_invalidate_all(); } | |
45 | |
46 // Machine dependent stuff | |
1972 | 47 #ifdef TARGET_OS_ARCH_linux_x86 |
48 # include "threadLS_linux_x86.hpp" | |
49 #endif | |
50 #ifdef TARGET_OS_ARCH_linux_sparc | |
51 # include "threadLS_linux_sparc.hpp" | |
52 #endif | |
53 #ifdef TARGET_OS_ARCH_linux_zero | |
54 # include "threadLS_linux_zero.hpp" | |
55 #endif | |
56 #ifdef TARGET_OS_ARCH_solaris_x86 | |
57 # include "threadLS_solaris_x86.hpp" | |
58 #endif | |
59 #ifdef TARGET_OS_ARCH_solaris_sparc | |
60 # include "threadLS_solaris_sparc.hpp" | |
61 #endif | |
62 #ifdef TARGET_OS_ARCH_windows_x86 | |
63 # include "threadLS_windows_x86.hpp" | |
64 #endif | |
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65 #ifdef TARGET_OS_ARCH_linux_arm |
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66 # include "threadLS_linux_arm.hpp" |
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67 #endif |
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68 #ifdef TARGET_OS_ARCH_linux_ppc |
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69 # include "threadLS_linux_ppc.hpp" |
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70 #endif |
1972 | 71 |
0 | 72 |
73 public: | |
74 // Accessor | |
75 static inline int thread_index() { return _thread_index; } | |
76 static inline void set_thread_index(int index) { _thread_index = index; } | |
77 | |
78 // Initialization | |
79 // Called explicitly from VMThread::activate_system instead of init_globals. | |
80 static void init(); | |
242 | 81 static bool is_initialized(); |
0 | 82 |
83 private: | |
84 static int _thread_index; | |
85 | |
86 static void generate_code_for_get_thread(); | |
87 | |
88 // Processor dependent parts of set_thread and initialization | |
89 static void pd_set_thread(Thread* thread); | |
90 static void pd_init(); | |
91 // Invalidate any thread cacheing or optimization schemes. | |
92 static void pd_invalidate_all(); | |
93 | |
94 }; | |
1972 | 95 |
96 #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP |