src/share/vm/runtime/threadLocalStorage.hpp

Wed, 19 Nov 2014 14:21:09 -0800

author
mchung
date
Wed, 19 Nov 2014 14:21:09 -0800
changeset 7368
fa6adc194d48
parent 6461
bdd155477289
child 6876
710a3c8b516e
child 8187
3ad3f93fe3d2
permissions
-rw-r--r--

8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
Reviewed-by: coleenp, ccheung

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
goetz@6461 71 #ifdef TARGET_OS_ARCH_aix_ppc
goetz@6461 72 # include "threadLS_aix_ppc.hpp"
goetz@6461 73 #endif
never@3156 74 #ifdef TARGET_OS_ARCH_bsd_x86
never@3156 75 # include "threadLS_bsd_x86.hpp"
never@3156 76 #endif
never@3156 77 #ifdef TARGET_OS_ARCH_bsd_zero
never@3156 78 # include "threadLS_bsd_zero.hpp"
never@3156 79 #endif
stefank@2314 80
duke@435 81
duke@435 82 public:
duke@435 83 // Accessor
duke@435 84 static inline int thread_index() { return _thread_index; }
duke@435 85 static inline void set_thread_index(int index) { _thread_index = index; }
duke@435 86
duke@435 87 // Initialization
duke@435 88 // Called explicitly from VMThread::activate_system instead of init_globals.
duke@435 89 static void init();
kamg@677 90 static bool is_initialized();
duke@435 91
duke@435 92 private:
duke@435 93 static int _thread_index;
duke@435 94
duke@435 95 static void generate_code_for_get_thread();
duke@435 96
duke@435 97 // Processor dependent parts of set_thread and initialization
duke@435 98 static void pd_set_thread(Thread* thread);
duke@435 99 static void pd_init();
duke@435 100 // Invalidate any thread cacheing or optimization schemes.
duke@435 101 static void pd_invalidate_all();
duke@435 102
duke@435 103 };
stefank@2314 104
stefank@2314 105 #endif // SHARE_VM_RUNTIME_THREADLOCALSTORAGE_HPP

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