Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/runtime/threadLocalStorage.hpp@595c0f60d50d (annotated)
src/share/vm/runtime/threadLocalStorage.hpp
Tue, 18 Mar 2014 19:07:22 +0100
- author
- pliden
- date
- Tue, 18 Mar 2014 19:07:22 +0100
- changeset 6413
- 595c0f60d50d
- parent 3156
- f08d439fab8c
- child 6461
- bdd155477289
- permissions
- -rw-r--r--
8029075: String deduplication in G1
Summary: Implementation of JEP 192, http://openjdk.java.net/jeps/192
Reviewed-by: brutisso, tschatzl, coleenp
| duke@435 | 1 | /* |
| trims@2708 | 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP |
| stefank@2314 | 26 | #define SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "gc_implementation/shared/gcUtil.hpp" |
| stefank@2314 | 29 | #include "runtime/os.hpp" |
| stefank@2314 | 30 | #include "utilities/top.hpp" |
| stefank@2314 | 31 | |
| duke@435 | 32 | // Interface for thread local storage |
| duke@435 | 33 | |
| duke@435 | 34 | // Fast variant of ThreadLocalStorage::get_thread_slow |
| duke@435 | 35 | extern "C" Thread* get_thread(); |
| duke@435 | 36 | |
| duke@435 | 37 | // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86 |
| duke@435 | 38 | extern "C" uintptr_t _raw_thread_id(); |
| duke@435 | 39 | |
| duke@435 | 40 | class ThreadLocalStorage : AllStatic { |
| duke@435 | 41 | public: |
| duke@435 | 42 | static void set_thread(Thread* thread); |
| duke@435 | 43 | static Thread* get_thread_slow(); |
| duke@435 | 44 | static void invalidate_all() { pd_invalidate_all(); } |
| duke@435 | 45 | |
| duke@435 | 46 | // Machine dependent stuff |
| stefank@2314 | 47 | #ifdef TARGET_OS_ARCH_linux_x86 |
| stefank@2314 | 48 | # include "threadLS_linux_x86.hpp" |
| stefank@2314 | 49 | #endif |
| stefank@2314 | 50 | #ifdef TARGET_OS_ARCH_linux_sparc |
| stefank@2314 | 51 | # include "threadLS_linux_sparc.hpp" |
| stefank@2314 | 52 | #endif |
| stefank@2314 | 53 | #ifdef TARGET_OS_ARCH_linux_zero |
| stefank@2314 | 54 | # include "threadLS_linux_zero.hpp" |
| stefank@2314 | 55 | #endif |
| stefank@2314 | 56 | #ifdef TARGET_OS_ARCH_solaris_x86 |
| stefank@2314 | 57 | # include "threadLS_solaris_x86.hpp" |
| stefank@2314 | 58 | #endif |
| stefank@2314 | 59 | #ifdef TARGET_OS_ARCH_solaris_sparc |
| stefank@2314 | 60 | # include "threadLS_solaris_sparc.hpp" |
| stefank@2314 | 61 | #endif |
| stefank@2314 | 62 | #ifdef TARGET_OS_ARCH_windows_x86 |
| stefank@2314 | 63 | # include "threadLS_windows_x86.hpp" |
| stefank@2314 | 64 | #endif |
| bobv@2508 | 65 | #ifdef TARGET_OS_ARCH_linux_arm |
| bobv@2508 | 66 | # include "threadLS_linux_arm.hpp" |
| bobv@2508 | 67 | #endif |
| bobv@2508 | 68 | #ifdef TARGET_OS_ARCH_linux_ppc |
| bobv@2508 | 69 | # include "threadLS_linux_ppc.hpp" |
| bobv@2508 | 70 | #endif |
| never@3156 | 71 | #ifdef TARGET_OS_ARCH_bsd_x86 |
| never@3156 | 72 | # include "threadLS_bsd_x86.hpp" |
| never@3156 | 73 | #endif |
| never@3156 | 74 | #ifdef TARGET_OS_ARCH_bsd_zero |
| never@3156 | 75 | # include "threadLS_bsd_zero.hpp" |
| never@3156 | 76 | #endif |
| stefank@2314 | 77 | |
| duke@435 | 78 | |
| duke@435 | 79 | public: |
| duke@435 | 80 | // Accessor |
| duke@435 | 81 | static inline int thread_index() { return _thread_index; } |
| duke@435 | 82 | static inline void set_thread_index(int index) { _thread_index = index; } |
| duke@435 | 83 | |
| duke@435 | 84 | // Initialization |
| duke@435 | 85 | // Called explicitly from VMThread::activate_system instead of init_globals. |
| duke@435 | 86 | static void init(); |
| kamg@677 | 87 | static bool is_initialized(); |
| duke@435 | 88 | |
| duke@435 | 89 | private: |
| duke@435 | 90 | static int _thread_index; |
| duke@435 | 91 | |
| duke@435 | 92 | static void generate_code_for_get_thread(); |
| duke@435 | 93 | |
| duke@435 | 94 | // Processor dependent parts of set_thread and initialization |
| duke@435 | 95 | static void pd_set_thread(Thread* thread); |
| duke@435 | 96 | static void pd_init(); |
| duke@435 | 97 | // Invalidate any thread cacheing or optimization schemes. |
| duke@435 | 98 | static void pd_invalidate_all(); |
| duke@435 | 99 | |
| duke@435 | 100 | }; |
| stefank@2314 | 101 | |
| stefank@2314 | 102 | #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP |
