annotate src/os_cpu/solaris_sparc/vm/threadLS_solaris_sparc.cpp @ 641:6af0a709d52b

6812587: Use auxv to determine SPARC hardware features on Solaris Summary: A similar function to getisax(2) should be used to determine all possible instruction set extensions. Reviewed-by: never, kvn
author twisti
date Wed, 11 Mar 2009 14:16:13 -0700
parents a61af66fc99e
children c18cbe5936b8
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1 /*
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2 * Copyright 1998-2003 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 // Provides an entry point we can link against and
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26 // a buffer we can emit code into. The buffer is
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27 // filled by ThreadLocalStorage::generate_code_for_get_thread
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28 // and called from ThreadLocalStorage::thread()
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29
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30 #include "incls/_precompiled.incl"
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31 #include "incls/_threadLS_solaris_sparc.cpp.incl"
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32 #include <sys/systeminfo.h>
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33
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34 // The portable TLS mechanism (get_thread_via_cache) is enough on SPARC.
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35 // There is no need for hand-assembling a special function.
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36 void ThreadLocalStorage::generate_code_for_get_thread() {
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37 }
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38
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39 void ThreadLocalStorage::set_thread_in_slot (Thread * self) {}
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40
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41 extern "C" Thread* get_thread() {
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42 return ThreadLocalStorage::thread();
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43 }