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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 win32
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27 //
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28 #ifdef AMD64
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29 static jint (*atomic_xchg_func) (jint, volatile jint*);
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30 static intptr_t (*atomic_xchg_ptr_func) (intptr_t, volatile intptr_t*);
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31
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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
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35 static jint (*atomic_add_func) (jint, volatile jint*);
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36 static intptr_t (*atomic_add_ptr_func) (intptr_t, volatile intptr_t*);
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37
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38 static jint atomic_xchg_bootstrap (jint, volatile jint*);
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39 static intptr_t atomic_xchg_ptr_bootstrap (intptr_t, volatile intptr_t*);
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40
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41 static jint atomic_cmpxchg_bootstrap (jint, volatile jint*, jint);
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42 #else
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43
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44 static jlong (*atomic_cmpxchg_long_func) (jlong, volatile jlong*, jlong);
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45
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46 #endif // AMD64
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47
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48 static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);
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49
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50 #ifdef AMD64
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51 static jint atomic_add_bootstrap (jint, volatile jint*);
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52 static intptr_t atomic_add_ptr_bootstrap (intptr_t, volatile intptr_t*);
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53 #endif // AMD64
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54
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55 static void setup_fpu();
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56 static bool supports_sse() { return true; }
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57
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58 static bool register_code_area(char *low, char *high);
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