1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef V8_ARM64_DISASM_ARM64_H
6 #define V8_ARM64_DISASM_ARM64_H
8 #include "src/arm64/decoder-arm64.h"
9 #include "src/arm64/instructions-arm64.h"
10 #include "src/globals.h"
11 #include "src/utils.h"
17 class Disassembler: public DecoderVisitor {
20 Disassembler(char* text_buffer, int buffer_size);
21 virtual ~Disassembler();
24 // Declare all Visitor functions.
25 #define DECLARE(A) void Visit##A(Instruction* instr);
30 virtual void ProcessOutput(Instruction* instr);
32 void Format(Instruction* instr, const char* mnemonic, const char* format);
33 void Substitute(Instruction* instr, const char* string);
34 int SubstituteField(Instruction* instr, const char* format);
35 int SubstituteRegisterField(Instruction* instr, const char* format);
36 int SubstituteImmediateField(Instruction* instr, const char* format);
37 int SubstituteLiteralField(Instruction* instr, const char* format);
38 int SubstituteBitfieldImmediateField(Instruction* instr, const char* format);
39 int SubstituteShiftField(Instruction* instr, const char* format);
40 int SubstituteExtendField(Instruction* instr, const char* format);
41 int SubstituteConditionField(Instruction* instr, const char* format);
42 int SubstitutePCRelAddressField(Instruction* instr, const char* format);
43 int SubstituteBranchTargetField(Instruction* instr, const char* format);
44 int SubstituteLSRegOffsetField(Instruction* instr, const char* format);
45 int SubstitutePrefetchField(Instruction* instr, const char* format);
46 int SubstituteBarrierField(Instruction* instr, const char* format);
48 bool RdIsZROrSP(Instruction* instr) const {
49 return (instr->Rd() == kZeroRegCode);
52 bool RnIsZROrSP(Instruction* instr) const {
53 return (instr->Rn() == kZeroRegCode);
56 bool RmIsZROrSP(Instruction* instr) const {
57 return (instr->Rm() == kZeroRegCode);
60 bool RaIsZROrSP(Instruction* instr) const {
61 return (instr->Ra() == kZeroRegCode);
64 bool IsMovzMovnImm(unsigned reg_size, uint64_t value);
67 void AppendToOutput(const char* string, ...);
71 uint32_t buffer_size_;
76 class PrintDisassembler: public Disassembler {
78 explicit PrintDisassembler(FILE* stream) : stream_(stream) { }
79 ~PrintDisassembler() { }
81 virtual void ProcessOutput(Instruction* instr);
88 } // namespace internal
91 #endif // V8_ARM64_DISASM_ARM64_H