OLD | NEW |
| (Empty) |
1 // Copyright 2013 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 #ifndef V8_A64_DISASM_A64_H | |
29 #define V8_A64_DISASM_A64_H | |
30 | |
31 #include "v8.h" | |
32 | |
33 #include "globals.h" | |
34 #include "utils.h" | |
35 #include "instructions-a64.h" | |
36 #include "decoder-a64.h" | |
37 | |
38 namespace v8 { | |
39 namespace internal { | |
40 | |
41 | |
42 class Disassembler: public DecoderVisitor { | |
43 public: | |
44 Disassembler(); | |
45 Disassembler(char* text_buffer, int buffer_size); | |
46 virtual ~Disassembler(); | |
47 char* GetOutput(); | |
48 | |
49 // Declare all Visitor functions. | |
50 #define DECLARE(A) void Visit##A(Instruction* instr); | |
51 VISITOR_LIST(DECLARE) | |
52 #undef DECLARE | |
53 | |
54 protected: | |
55 virtual void ProcessOutput(Instruction* instr); | |
56 | |
57 void Format(Instruction* instr, const char* mnemonic, const char* format); | |
58 void Substitute(Instruction* instr, const char* string); | |
59 int SubstituteField(Instruction* instr, const char* format); | |
60 int SubstituteRegisterField(Instruction* instr, const char* format); | |
61 int SubstituteImmediateField(Instruction* instr, const char* format); | |
62 int SubstituteLiteralField(Instruction* instr, const char* format); | |
63 int SubstituteBitfieldImmediateField(Instruction* instr, const char* format); | |
64 int SubstituteShiftField(Instruction* instr, const char* format); | |
65 int SubstituteExtendField(Instruction* instr, const char* format); | |
66 int SubstituteConditionField(Instruction* instr, const char* format); | |
67 int SubstitutePCRelAddressField(Instruction* instr, const char* format); | |
68 int SubstituteBranchTargetField(Instruction* instr, const char* format); | |
69 int SubstituteLSRegOffsetField(Instruction* instr, const char* format); | |
70 int SubstitutePrefetchField(Instruction* instr, const char* format); | |
71 int SubstituteBarrierField(Instruction* instr, const char* format); | |
72 | |
73 bool RdIsZROrSP(Instruction* instr) const { | |
74 return (instr->Rd() == kZeroRegCode); | |
75 } | |
76 | |
77 bool RnIsZROrSP(Instruction* instr) const { | |
78 return (instr->Rn() == kZeroRegCode); | |
79 } | |
80 | |
81 bool RmIsZROrSP(Instruction* instr) const { | |
82 return (instr->Rm() == kZeroRegCode); | |
83 } | |
84 | |
85 bool RaIsZROrSP(Instruction* instr) const { | |
86 return (instr->Ra() == kZeroRegCode); | |
87 } | |
88 | |
89 bool IsMovzMovnImm(unsigned reg_size, uint64_t value); | |
90 | |
91 void ResetOutput(); | |
92 void AppendToOutput(const char* string, ...); | |
93 | |
94 char* buffer_; | |
95 uint32_t buffer_pos_; | |
96 uint32_t buffer_size_; | |
97 bool own_buffer_; | |
98 }; | |
99 | |
100 | |
101 class PrintDisassembler: public Disassembler { | |
102 public: | |
103 explicit PrintDisassembler(FILE* stream) : stream_(stream) { } | |
104 ~PrintDisassembler() { } | |
105 | |
106 virtual void ProcessOutput(Instruction* instr); | |
107 | |
108 private: | |
109 FILE *stream_; | |
110 }; | |
111 | |
112 | |
113 } } // namespace v8::internal | |
114 | |
115 #endif // V8_A64_DISASM_A64_H | |
OLD | NEW |