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