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1 /*
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2 * Copyright 1999-2006 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 #ifndef PRODUCT
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26 class InstructionPrinter: public InstructionVisitor {
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27 private:
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28 outputStream* _output;
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29 bool _print_phis;
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30
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31 enum LayoutConstants {
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32 bci_pos = 2,
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33 use_pos = 7,
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34 temp_pos = 12,
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35 instr_pos = 19,
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36 end_pos = 60
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37 };
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38
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39 bool is_illegal_phi(Value v);
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40
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41 public:
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42 InstructionPrinter(bool print_phis = true, outputStream* output = tty)
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43 : _print_phis(print_phis)
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44 , _output(output)
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45 {}
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46
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47 outputStream* output() { return _output; }
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48
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49 // helpers
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50 static const char* basic_type_name(BasicType type);
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51 static const char* cond_name(If::Condition cond);
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52 static const char* op_name(Bytecodes::Code op);
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53 bool is_phi_of_block(Value v, BlockBegin* b);
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54
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55 // type-specific print functions
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56 void print_klass(ciKlass* klass);
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57 void print_object(Value obj);
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58
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59 // generic print functions
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60 void print_temp(Value value);
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61 void print_field(AccessField* field);
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62 void print_indexed(AccessIndexed* indexed);
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63 void print_monitor(AccessMonitor* monitor);
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64 void print_op2(Op2* instr);
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65 void print_value(Value value);
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66 void print_instr(Instruction* instr);
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67 void print_stack(ValueStack* stack);
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68 void print_inline_level(BlockBegin* block);
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69 void print_unsafe_op(UnsafeOp* op, const char* name);
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70 void print_unsafe_raw_op(UnsafeRawOp* op, const char* name);
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71 void print_unsafe_object_op(UnsafeObjectOp* op, const char* name);
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72 void print_phi(int i, Value v, BlockBegin* b);
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73 void print_alias(Value v);
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74
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75 // line printing of instructions
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76 void fill_to(int pos, char filler = ' ');
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77 void print_head();
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78 void print_line(Instruction* instr);
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79
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80 // visitor functionality
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81 virtual void do_Phi (Phi* x);
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82 virtual void do_Local (Local* x);
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83 virtual void do_Constant (Constant* x);
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84 virtual void do_LoadField (LoadField* x);
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85 virtual void do_StoreField (StoreField* x);
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86 virtual void do_ArrayLength (ArrayLength* x);
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87 virtual void do_LoadIndexed (LoadIndexed* x);
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88 virtual void do_StoreIndexed (StoreIndexed* x);
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89 virtual void do_NegateOp (NegateOp* x);
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90 virtual void do_ArithmeticOp (ArithmeticOp* x);
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91 virtual void do_ShiftOp (ShiftOp* x);
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92 virtual void do_LogicOp (LogicOp* x);
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93 virtual void do_CompareOp (CompareOp* x);
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94 virtual void do_IfOp (IfOp* x);
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95 virtual void do_Convert (Convert* x);
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96 virtual void do_NullCheck (NullCheck* x);
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97 virtual void do_Invoke (Invoke* x);
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98 virtual void do_NewInstance (NewInstance* x);
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99 virtual void do_NewTypeArray (NewTypeArray* x);
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100 virtual void do_NewObjectArray (NewObjectArray* x);
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101 virtual void do_NewMultiArray (NewMultiArray* x);
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102 virtual void do_CheckCast (CheckCast* x);
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103 virtual void do_InstanceOf (InstanceOf* x);
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104 virtual void do_MonitorEnter (MonitorEnter* x);
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105 virtual void do_MonitorExit (MonitorExit* x);
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106 virtual void do_Intrinsic (Intrinsic* x);
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107 virtual void do_BlockBegin (BlockBegin* x);
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108 virtual void do_Goto (Goto* x);
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109 virtual void do_If (If* x);
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110 virtual void do_IfInstanceOf (IfInstanceOf* x);
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111 virtual void do_TableSwitch (TableSwitch* x);
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112 virtual void do_LookupSwitch (LookupSwitch* x);
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113 virtual void do_Return (Return* x);
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114 virtual void do_Throw (Throw* x);
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115 virtual void do_Base (Base* x);
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116 virtual void do_OsrEntry (OsrEntry* x);
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117 virtual void do_ExceptionObject(ExceptionObject* x);
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118 virtual void do_RoundFP (RoundFP* x);
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119 virtual void do_UnsafeGetRaw (UnsafeGetRaw* x);
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120 virtual void do_UnsafePutRaw (UnsafePutRaw* x);
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121 virtual void do_UnsafeGetObject(UnsafeGetObject* x);
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122 virtual void do_UnsafePutObject(UnsafePutObject* x);
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123 virtual void do_UnsafePrefetchRead (UnsafePrefetchRead* x);
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124 virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x);
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125 virtual void do_ProfileCall (ProfileCall* x);
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126 virtual void do_ProfileCounter (ProfileCounter* x);
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127 };
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128 #endif // PRODUCT
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