Mercurial > hg > truffle
annotate src/os_cpu/windows_x86/vm/threadLS_windows_x86.cpp @ 14304:a2866d45e99e
8027454: Do not traverse string table during G1 remark when treating them as strong roots during initial mark
Summary: Do not try to unlink string table entries unconditionally during remark. This is without side effects as the preceding initial mark always uses the string table as strong roots. Needs to be fixed with class unloading during concurrent mark.
Reviewed-by: brutisso, mgerdin
| author | tschatzl |
|---|---|
| date | Mon, 20 Jan 2014 11:47:29 +0100 |
| parents | f34d701e952e |
| children | 291ffc492eb6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 1998, 2010, 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 #include "precompiled.hpp" |
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8003935: Simplify the needed includes for using Thread::current()
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26 #include "runtime/thread.inline.hpp" |
| 1972 | 27 #include "runtime/threadLocalStorage.hpp" |
| 28 | |
| 0 | 29 // Provides an entry point we can link against and |
| 30 // a buffer we can emit code into. The buffer is | |
| 31 // filled by ThreadLocalStorage::generate_code_for_get_thread | |
| 32 // and called from ThreadLocalStorage::thread() | |
| 33 | |
| 34 int ThreadLocalStorage::_thread_ptr_offset = 0; | |
| 35 | |
| 36 static void call_wrapper_dummy() {} | |
| 37 | |
| 38 // We need to call the os_exception_wrapper once so that it sets | |
| 39 // up the offset from FS of the thread pointer. | |
| 40 void ThreadLocalStorage::generate_code_for_get_thread() { | |
| 41 os::os_exception_wrapper( (java_call_t)call_wrapper_dummy, | |
| 42 NULL, NULL, NULL, NULL); | |
| 43 } | |
| 44 | |
| 45 void ThreadLocalStorage::pd_init() { } | |
| 46 | |
| 47 void ThreadLocalStorage::pd_set_thread(Thread* thread) { | |
| 48 os::thread_local_storage_at_put(ThreadLocalStorage::thread_index(), thread); | |
| 49 } |