Mercurial > hg > graal-compiler
view src/share/vm/runtime/threadLocalStorage.cpp @ 18431:84ac6a1a0dcb
Introduce FrameMappingTool.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Wed, 05 Nov 2014 20:16:00 +0100 |
parents | f34d701e952e |
children |
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/* * Copyright (c) 1997, 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" #ifdef TARGET_OS_FAMILY_linux # include "os_linux.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_solaris # include "os_solaris.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_windows # include "os_windows.inline.hpp" #endif #ifdef TARGET_OS_FAMILY_bsd # include "os_bsd.inline.hpp" #endif // static member initialization int ThreadLocalStorage::_thread_index = -1; Thread* ThreadLocalStorage::get_thread_slow() { return (Thread*) os::thread_local_storage_at(ThreadLocalStorage::thread_index()); } void ThreadLocalStorage::set_thread(Thread* thread) { pd_set_thread(thread); // The following ensure that any optimization tricks we have tried // did not backfire on us: guarantee(get_thread() == thread, "must be the same thread, quickly"); guarantee(get_thread_slow() == thread, "must be the same thread, slowly"); } void ThreadLocalStorage::init() { assert(!is_initialized(), "More than one attempt to initialize threadLocalStorage"); pd_init(); set_thread_index(os::allocate_thread_local_storage()); generate_code_for_get_thread(); } bool ThreadLocalStorage::is_initialized() { return (thread_index() != -1); }