Tue, 24 Dec 2013 11:48:39 -0800
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
26 #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP
28 #include "gc_implementation/shared/gcUtil.hpp"
29 #include "runtime/os.hpp"
30 #include "utilities/top.hpp"
32 // Interface for thread local storage
34 // Fast variant of ThreadLocalStorage::get_thread_slow
35 extern "C" Thread* get_thread();
37 // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86
38 extern "C" uintptr_t _raw_thread_id();
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(); }
46 // Machine dependent stuff
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
65 #ifdef TARGET_OS_ARCH_linux_arm
66 # include "threadLS_linux_arm.hpp"
67 #endif
68 #ifdef TARGET_OS_ARCH_linux_ppc
69 # include "threadLS_linux_ppc.hpp"
70 #endif
71 #ifdef TARGET_OS_ARCH_bsd_x86
72 # include "threadLS_bsd_x86.hpp"
73 #endif
74 #ifdef TARGET_OS_ARCH_bsd_zero
75 # include "threadLS_bsd_zero.hpp"
76 #endif
79 public:
80 // Accessor
81 static inline int thread_index() { return _thread_index; }
82 static inline void set_thread_index(int index) { _thread_index = index; }
84 // Initialization
85 // Called explicitly from VMThread::activate_system instead of init_globals.
86 static void init();
87 static bool is_initialized();
89 private:
90 static int _thread_index;
92 static void generate_code_for_get_thread();
94 // Processor dependent parts of set_thread and initialization
95 static void pd_set_thread(Thread* thread);
96 static void pd_init();
97 // Invalidate any thread cacheing or optimization schemes.
98 static void pd_invalidate_all();
100 };
102 #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP