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1 /*
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2 * Copyright 1999-2004 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 //
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26 // NOTE: we are back in class os here, not Solaris
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27 //
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28 #ifdef AMD64
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29 static void setup_fpu() {}
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30 #else
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31 static jint (*atomic_xchg_func) (jint, volatile jint*);
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32 static jint (*atomic_cmpxchg_func) (jint, volatile jint*, jint);
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33 static jlong (*atomic_cmpxchg_long_func)(jlong, volatile jlong*, jlong);
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34 static jint (*atomic_add_func) (jint, volatile jint*);
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35 static void (*fence_func) ();
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36
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37 static jint atomic_xchg_bootstrap (jint, volatile jint*);
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38 static jint atomic_cmpxchg_bootstrap (jint, volatile jint*, jint);
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39 static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);
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40 static jint atomic_add_bootstrap (jint, volatile jint*);
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41 static void fence_bootstrap ();
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42
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43 static void setup_fpu();
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44 static bool supports_sse();
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45 #endif // AMD64
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46
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47 static bool is_allocatable(size_t bytes);
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48
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49 // Used to register dynamic code cache area with the OS
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50 // Note: Currently only used in 64 bit Windows implementations
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51 static bool register_code_area(char *low, char *high) { return true; }
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