forked from v8/v8
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathbytecode-decoder.h
More file actions
50 lines (39 loc) · 1.85 KB
/
bytecode-decoder.h
File metadata and controls
50 lines (39 loc) · 1.85 KB
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
// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_INTERPRETER_BYTECODE_DECODER_H_
#define V8_INTERPRETER_BYTECODE_DECODER_H_
#include <iosfwd>
#include "src/common/globals.h"
#include "src/interpreter/bytecode-register.h"
#include "src/interpreter/bytecodes.h"
namespace v8 {
namespace internal {
namespace interpreter {
class V8_EXPORT_PRIVATE BytecodeDecoder final {
public:
// Decodes a register operand in a byte array.
static Register DecodeRegisterOperand(Address operand_start,
OperandType operand_type,
OperandScale operand_scale);
// Decodes a register list operand in a byte array.
static RegisterList DecodeRegisterListOperand(Address operand_start,
uint32_t count,
OperandType operand_type,
OperandScale operand_scale);
// Decodes a signed operand in a byte array.
static int32_t DecodeSignedOperand(Address operand_start,
OperandType operand_type,
OperandScale operand_scale);
// Decodes an unsigned operand in a byte array.
static uint32_t DecodeUnsignedOperand(Address operand_start,
OperandType operand_type,
OperandScale operand_scale);
// Decode a single bytecode and operands to |os|.
static std::ostream& Decode(std::ostream& os, const uint8_t* bytecode_start,
int number_of_parameters);
};
} // namespace interpreter
} // namespace internal
} // namespace v8
#endif // V8_INTERPRETER_BYTECODE_DECODER_H_