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1 /* |
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2 * Copyright (c) 2003, 2013, 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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64 |
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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 |