c1_InstructionPrinter.hpp revision 1472:c18cbe5936b8 
1/*
2 * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#ifndef PRODUCT
26class InstructionPrinter: public InstructionVisitor {
27 private:
28  outputStream* _output;
29  bool _print_phis;
30
31  enum LayoutConstants {
32    bci_pos   =  2,
33    use_pos   =  7,
34    temp_pos  = 12,
35    instr_pos = 19,
36    end_pos   = 60
37  };
38
39  bool is_illegal_phi(Value v);
40
41 public:
42  InstructionPrinter(bool print_phis = true, outputStream* output = tty)
43    : _print_phis(print_phis)
44    , _output(output)
45  {}
46
47  outputStream* output() { return _output; }
48
49  // helpers
50  static const char* basic_type_name(BasicType type);
51  static const char* cond_name(If::Condition cond);
52  static const char* op_name(Bytecodes::Code op);
53  bool is_phi_of_block(Value v, BlockBegin* b);
54
55  // type-specific print functions
56  void print_klass(ciKlass* klass);
57  void print_object(Value obj);
58
59  // generic print functions
60  void print_temp(Value value);
61  void print_field(AccessField* field);
62  void print_indexed(AccessIndexed* indexed);
63  void print_monitor(AccessMonitor* monitor);
64  void print_op2(Op2* instr);
65  void print_value(Value value);
66  void print_instr(Instruction* instr);
67  void print_stack(ValueStack* stack);
68  void print_inline_level(BlockBegin* block);
69  void print_unsafe_op(UnsafeOp* op, const char* name);
70  void print_unsafe_raw_op(UnsafeRawOp* op, const char* name);
71  void print_unsafe_object_op(UnsafeObjectOp* op, const char* name);
72  void print_phi(int i, Value v, BlockBegin* b);
73  void print_alias(Value v);
74
75  // line printing of instructions
76  void fill_to(int pos, char filler = ' ');
77  void print_head();
78  void print_line(Instruction* instr);
79
80  // visitor functionality
81  virtual void do_Phi            (Phi*             x);
82  virtual void do_Local          (Local*           x);
83  virtual void do_Constant       (Constant*        x);
84  virtual void do_LoadField      (LoadField*       x);
85  virtual void do_StoreField     (StoreField*      x);
86  virtual void do_ArrayLength    (ArrayLength*     x);
87  virtual void do_LoadIndexed    (LoadIndexed*     x);
88  virtual void do_StoreIndexed   (StoreIndexed*    x);
89  virtual void do_NegateOp       (NegateOp*        x);
90  virtual void do_ArithmeticOp   (ArithmeticOp*    x);
91  virtual void do_ShiftOp        (ShiftOp*         x);
92  virtual void do_LogicOp        (LogicOp*         x);
93  virtual void do_CompareOp      (CompareOp*       x);
94  virtual void do_IfOp           (IfOp*            x);
95  virtual void do_Convert        (Convert*         x);
96  virtual void do_NullCheck      (NullCheck*       x);
97  virtual void do_Invoke         (Invoke*          x);
98  virtual void do_NewInstance    (NewInstance*     x);
99  virtual void do_NewTypeArray   (NewTypeArray*    x);
100  virtual void do_NewObjectArray (NewObjectArray*  x);
101  virtual void do_NewMultiArray  (NewMultiArray*   x);
102  virtual void do_CheckCast      (CheckCast*       x);
103  virtual void do_InstanceOf     (InstanceOf*      x);
104  virtual void do_MonitorEnter   (MonitorEnter*    x);
105  virtual void do_MonitorExit    (MonitorExit*     x);
106  virtual void do_Intrinsic      (Intrinsic*       x);
107  virtual void do_BlockBegin     (BlockBegin*      x);
108  virtual void do_Goto           (Goto*            x);
109  virtual void do_If             (If*              x);
110  virtual void do_IfInstanceOf   (IfInstanceOf*    x);
111  virtual void do_TableSwitch    (TableSwitch*     x);
112  virtual void do_LookupSwitch   (LookupSwitch*    x);
113  virtual void do_Return         (Return*          x);
114  virtual void do_Throw          (Throw*           x);
115  virtual void do_Base           (Base*            x);
116  virtual void do_OsrEntry       (OsrEntry*        x);
117  virtual void do_ExceptionObject(ExceptionObject* x);
118  virtual void do_RoundFP        (RoundFP*         x);
119  virtual void do_UnsafeGetRaw   (UnsafeGetRaw*    x);
120  virtual void do_UnsafePutRaw   (UnsafePutRaw*    x);
121  virtual void do_UnsafeGetObject(UnsafeGetObject* x);
122  virtual void do_UnsafePutObject(UnsafePutObject* x);
123  virtual void do_UnsafePrefetchRead (UnsafePrefetchRead*  x);
124  virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x);
125  virtual void do_ProfileCall    (ProfileCall*     x);
126  virtual void do_ProfileCounter (ProfileCounter*  x);
127};
128#endif // PRODUCT
129