| /* |
| * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "runtime/thread.inline.hpp" |
| #include "runtime/threadLocalStorage.hpp" |
| |
| // Provides an entry point we can link against and |
| // a buffer we can emit code into. The buffer is |
| // filled by ThreadLocalStorage::generate_code_for_get_thread |
| // and called from ThreadLocalStorage::thread() |
| |
| int ThreadLocalStorage::_thread_ptr_offset = 0; |
| |
| static void call_wrapper_dummy() {} |
| |
| // We need to call the os_exception_wrapper once so that it sets |
| // up the offset from FS of the thread pointer. |
| void ThreadLocalStorage::generate_code_for_get_thread() { |
| os::os_exception_wrapper( (java_call_t)call_wrapper_dummy, |
| NULL, NULL, NULL, NULL); |
| } |
| |
| void ThreadLocalStorage::pd_init() { } |
| |
| void ThreadLocalStorage::pd_set_thread(Thread* thread) { |
| os::thread_local_storage_at_put(ThreadLocalStorage::thread_index(), thread); |
| } |