Mon, 25 Jan 2010 18:03:29 -0500
6919980: G1: remove +UseG1GC from under experimental options (second attempt)
Summary: Trying this again, as the original change was lost.
Reviewed-by: ysr, jmasa
duke@435 | 1 | /* |
xdono@772 | 2 | * Copyright 1997-2008 Sun Microsystems, Inc. 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 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // Interface for thread local storage |
duke@435 | 26 | |
duke@435 | 27 | // Fast variant of ThreadLocalStorage::get_thread_slow |
duke@435 | 28 | extern "C" Thread* get_thread(); |
duke@435 | 29 | |
duke@435 | 30 | // Get raw thread id: e.g., %g7 on sparc, fs or gs on x86 |
duke@435 | 31 | extern "C" uintptr_t _raw_thread_id(); |
duke@435 | 32 | |
duke@435 | 33 | class ThreadLocalStorage : AllStatic { |
duke@435 | 34 | public: |
duke@435 | 35 | static void set_thread(Thread* thread); |
duke@435 | 36 | static Thread* get_thread_slow(); |
duke@435 | 37 | static void invalidate_all() { pd_invalidate_all(); } |
duke@435 | 38 | |
duke@435 | 39 | // Machine dependent stuff |
duke@435 | 40 | #include "incls/_threadLS_pd.hpp.incl" |
duke@435 | 41 | |
duke@435 | 42 | public: |
duke@435 | 43 | // Accessor |
duke@435 | 44 | static inline int thread_index() { return _thread_index; } |
duke@435 | 45 | static inline void set_thread_index(int index) { _thread_index = index; } |
duke@435 | 46 | |
duke@435 | 47 | // Initialization |
duke@435 | 48 | // Called explicitly from VMThread::activate_system instead of init_globals. |
duke@435 | 49 | static void init(); |
kamg@677 | 50 | static bool is_initialized(); |
duke@435 | 51 | |
duke@435 | 52 | private: |
duke@435 | 53 | static int _thread_index; |
duke@435 | 54 | |
duke@435 | 55 | static void generate_code_for_get_thread(); |
duke@435 | 56 | |
duke@435 | 57 | // Processor dependent parts of set_thread and initialization |
duke@435 | 58 | static void pd_set_thread(Thread* thread); |
duke@435 | 59 | static void pd_init(); |
duke@435 | 60 | // Invalidate any thread cacheing or optimization schemes. |
duke@435 | 61 | static void pd_invalidate_all(); |
duke@435 | 62 | |
duke@435 | 63 | }; |