1 /*
2 * Copyright (c) 1999, 2010, 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
26 class 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_ProfileInvoke (ProfileInvoke* x);
127 };
128 #endif // PRODUCT