annotate src/cpu/zero/vm/entryFrame_zero.hpp @ 14909:4ca6dc0799b6

Backout jdk9 merge
author Gilles Duboscq <duboscq@ssw.jku.at>
date Tue, 01 Apr 2014 13:57:07 +0200
parents de6a9e811145
children 89152779163c
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1 /*
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2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * Copyright 2008, 2010 Red Hat, Inc.
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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
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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 #ifndef CPU_ZERO_VM_ENTRYFRAME_ZERO_HPP
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27 #define CPU_ZERO_VM_ENTRYFRAME_ZERO_HPP
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28
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29 #include "runtime/javaCalls.hpp"
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30 #include "stack_zero.hpp"
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31
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32 // | ... |
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33 // +--------------------+ ------------------
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34 // | parameter n-1 | low addresses
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35 // | ... |
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36 // | parameter 0 |
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37 // | call_wrapper |
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38 // | frame_type |
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39 // | next_frame | high addresses
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40 // +--------------------+ ------------------
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41 // | ... |
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42
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43 class EntryFrame : public ZeroFrame {
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44 private:
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45 EntryFrame() : ZeroFrame() {
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46 ShouldNotCallThis();
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47 }
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48
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49 protected:
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50 enum Layout {
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51 call_wrapper_off = jf_header_words,
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52 header_words
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53 };
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54
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55 public:
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56 static EntryFrame *build(const intptr_t* parameters,
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57 int parameter_words,
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58 JavaCallWrapper* call_wrapper,
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59 TRAPS);
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60 public:
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61 JavaCallWrapper **call_wrapper() const {
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62 return (JavaCallWrapper **) addr_of_word(call_wrapper_off);
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63 }
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65 public:
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66 void identify_word(int frame_index,
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67 int offset,
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68 char* fieldbuf,
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69 char* valuebuf,
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70 int buflen) const;
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71 };
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72
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73 #endif // CPU_ZERO_VM_ENTRYFRAME_ZERO_HPP