Mercurial > hg > truffle
annotate src/share/vm/c1x/c1x_CodeInstaller.hpp @ 2491:0654ee04b214
Merge with OpenJDK.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 22 Apr 2011 15:30:53 +0200 |
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1 /* |
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2 * Copyright 2000-2010 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 * This class handles the conversion from a CiTargetMethod to a CodeBlob or an nmethod. |
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27 */ |
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28 class CodeInstaller { |
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29 private: |
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30 // these need to correspond to HotSpotXirGenerator.java |
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31 enum MarkId { |
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32 MARK_VERIFIED_ENTRY = 0x0001, |
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33 MARK_UNVERIFIED_ENTRY = 0x0002, |
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34 MARK_OSR_ENTRY = 0x0003, |
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35 MARK_UNWIND_ENTRY = 0x0004, |
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36 MARK_EXCEPTION_HANDLER_ENTRY = 0x0005, |
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37 MARK_DEOPT_HANDLER_ENTRY = 0x0006, |
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38 MARK_STATIC_CALL_STUB = 0x1000, |
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39 MARK_INVOKE_INVALID = 0x2000, |
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40 MARK_INVOKEINTERFACE = 0x2001, |
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41 MARK_INVOKESTATIC = 0x2002, |
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42 MARK_INVOKESPECIAL = 0x2003, |
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43 MARK_INVOKEVIRTUAL = 0x2004, |
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44 MARK_IMPLICIT_NULL = 0x3000, |
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45 MARK_KLASS_PATCHING = 0x4000, |
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46 MARK_DUMMY_OOP_RELOCATION = 0x4001, |
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47 MARK_ACCESS_FIELD_PATCHING = 0x4002 |
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48 }; |
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49 |
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50 ciEnv* _env; |
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51 |
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52 oop _citarget_method; |
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53 oop _hotspot_method; |
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54 oop _name; |
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55 arrayOop _sites; |
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56 arrayOop _assumptions; |
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57 arrayOop _exception_handlers; |
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58 CodeOffsets _offsets; |
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59 |
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60 arrayOop _code; |
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61 jint _code_size; |
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62 jint _frame_size; |
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63 jint _custom_stack_area_offset; |
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64 jint _parameter_count; |
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65 jint _constants_size; |
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66 jint _total_size; |
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67 |
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68 MarkId _next_call_type; |
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69 address _invoke_mark_pc; |
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70 |
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71 CodeSection* _instructions; |
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72 CodeSection* _constants; |
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73 |
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74 OopRecorder* _oop_recorder; |
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75 DebugInformationRecorder* _debug_recorder; |
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76 Dependencies* _dependencies; |
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77 ExceptionHandlerTable _exception_handler_table; |
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78 ImplicitExceptionTable _implicit_exception_table; |
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79 |
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80 public: |
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81 |
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82 // constructor used to create a method |
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83 CodeInstaller(Handle target_method); |
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84 |
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85 // constructor used to create a stub |
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86 CodeInstaller(Handle target_method, jlong& id); |
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87 |
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88 private: |
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89 // extract the fields of the CiTargetMethod |
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90 void initialize_fields(Handle target_method); |
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91 |
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92 // perform data and call relocation on the CodeBuffer |
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93 void initialize_buffer(CodeBuffer& buffer); |
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94 |
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95 void assumption_ConcreteSubtype(oop assumption); |
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96 void assumption_ConcreteMethod(oop assumption); |
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97 |
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98 void site_Safepoint(CodeBuffer& buffer, jint pc_offset, oop site); |
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99 void site_Call(CodeBuffer& buffer, jint pc_offset, oop site); |
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100 void site_DataPatch(CodeBuffer& buffer, jint pc_offset, oop site); |
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101 void site_Mark(CodeBuffer& buffer, jint pc_offset, oop site); |
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102 |
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103 void record_scope(jint pc_offset, oop code_pos); |
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104 |
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105 void process_exception_handlers(); |
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106 |
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107 }; |