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annotate src/cpu/ppc/vm/metaspaceShared_ppc.cpp @ 14408:ec28f9c041ff

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8019972: PPC64 (part 9): platform files for interpreter only VM. Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs. Reviewed-by: kvn
author goetz
date Fri, 02 Aug 2013 16:46:45 +0200
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14408
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
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1 /*
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * Copyright 2012, 2013 SAP AG. All rights reserved.
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 *
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6 * This code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 only, as
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8 * published by the Free Software Foundation.
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9 *
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10 * This code is distributed in the hope that it will be useful, but WITHOUT
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * version 2 for more details (a copy is included in the LICENSE file that
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14 * accompanied this code).
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15 *
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16 * You should have received a copy of the GNU General Public License version
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17 * 2 along with this work; if not, write to the Free Software Foundation,
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 *
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 * or visit www.oracle.com if you need additional information or have any
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22 * questions.
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23 *
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24 */
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25
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26 #include "precompiled.hpp"
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27 #include "asm/macroAssembler.inline.hpp"
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28 #include "asm/codeBuffer.hpp"
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29 #include "memory/metaspaceShared.hpp"
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30
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31 // Generate the self-patching vtable method:
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32 //
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33 // This method will be called (as any other Klass virtual method) with
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34 // the Klass itself as the first argument. Example:
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35 //
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36 // oop obj;
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37 // int size = obj->klass()->klass_part()->oop_size(this);
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38 //
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39 // for which the virtual method call is Klass::oop_size();
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40 //
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41 // The dummy method is called with the Klass object as the first
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42 // operand, and an object as the second argument.
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43 //
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44
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45 //=====================================================================
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46
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47 // All of the dummy methods in the vtable are essentially identical,
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48 // differing only by an ordinal constant, and they bear no releationship
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49 // to the original method which the caller intended. Also, there needs
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50 // to be 'vtbl_list_size' instances of the vtable in order to
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51 // differentiate between the 'vtable_list_size' original Klass objects.
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52
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53 void MetaspaceShared::generate_vtable_methods(void** vtbl_list,
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54 void** vtable,
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55 char** md_top,
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56 char* md_end,
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57 char** mc_top,
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58 char* mc_end) {
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59 Unimplemented();
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60 }
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61