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1 /*
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2 * Copyright 1997-2007 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 #include "incls/_precompiled.incl"
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26 #include "incls/_stubRoutines_sparc.cpp.incl"
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27
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28 // Implementation of the platform-specific part of StubRoutines - for
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29 // a description of how to extend it, see the stubRoutines.hpp file.
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30
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31
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32 extern "C" {
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33 address _flush_reg_windows(); // in .s file.
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34 // Flush registers to stack. In case of error we will need to stack walk.
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35 address bootstrap_flush_windows(void) {
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36 Thread* thread = ThreadLocalStorage::get_thread_slow();
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37 // Very early in process there is no thread.
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38 if (thread != NULL) {
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39 guarantee(thread->is_Java_thread(), "Not a Java thread.");
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40 JavaThread* jt = (JavaThread*)thread;
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41 guarantee(!jt->has_last_Java_frame(), "Must be able to flush registers!");
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42 }
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43 return (address)_flush_reg_windows();
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44 };
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45 };
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46
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47 address StubRoutines::Sparc::_test_stop_entry = NULL;
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48 address StubRoutines::Sparc::_stop_subroutine_entry = NULL;
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49 address StubRoutines::Sparc::_flush_callers_register_windows_entry = CAST_FROM_FN_PTR(address, bootstrap_flush_windows);
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50
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51 address StubRoutines::Sparc::_partial_subtype_check = NULL;
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52
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53 int StubRoutines::Sparc::_atomic_memory_operation_lock = StubRoutines::Sparc::unlocked;
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54
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55 int StubRoutines::Sparc::_v8_oop_lock_cache[StubRoutines::Sparc::nof_v8_oop_lock_cache_entries];
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