blob: cbf464fd766870aa1bc4d6351f6d7e25dbad86b8 (
plain) (
blame)
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
|
//===-- TypeRecordBuilder.cpp ---------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/CodeView/TypeRecordBuilder.h"
using namespace llvm;
using namespace codeview;
TypeRecordBuilder::TypeRecordBuilder(TypeRecordKind Kind) : Stream(Buffer),
Writer(Stream) {
writeTypeRecordKind(Kind);
}
StringRef TypeRecordBuilder::str() {
return StringRef(Buffer.data(), Buffer.size());
}
void TypeRecordBuilder::writeUInt8(uint8_t Value) {
Writer.write(Value);
}
void TypeRecordBuilder::writeInt16(int16_t Value) {
Writer.write(Value);
}
void TypeRecordBuilder::writeUInt16(uint16_t Value) {
Writer.write(Value);
}
void TypeRecordBuilder::writeInt32(int32_t Value) {
Writer.write(Value);
}
void TypeRecordBuilder::writeUInt32(uint32_t Value) {
Writer.write(Value);
}
void TypeRecordBuilder::writeInt64(int64_t Value) {
Writer.write(Value);
}
void TypeRecordBuilder::writeUInt64(uint64_t Value) {
Writer.write(Value);
}
void TypeRecordBuilder::writeEncodedInteger(int64_t Value) {
if (Value >= 0) {
writeEncodedUnsignedInteger(static_cast<uint64_t>(Value));
} else {
writeEncodedSignedInteger(Value);
}
}
void TypeRecordBuilder::writeEncodedSignedInteger(int64_t Value) {
if (Value >= std::numeric_limits<int8_t>::min() &&
Value <= std::numeric_limits<int8_t>::max()) {
writeUInt16(static_cast<uint16_t>(TypeRecordKind::SByte));
writeInt16(static_cast<int8_t>(Value));
} else if (Value >= std::numeric_limits<int16_t>::min() &&
Value <= std::numeric_limits<int16_t>::max()) {
writeUInt16(static_cast<uint16_t>(TypeRecordKind::Int16));
writeInt16(static_cast<int16_t>(Value));
} else if (Value >= std::numeric_limits<int32_t>::min() &&
Value <= std::numeric_limits<int32_t>::max()) {
writeUInt16(static_cast<uint32_t>(TypeRecordKind::Int32));
writeInt32(static_cast<int32_t>(Value));
} else {
writeUInt16(static_cast<uint16_t>(TypeRecordKind::Int64));
writeInt64(Value);
}
}
void TypeRecordBuilder::writeEncodedUnsignedInteger(uint64_t Value) {
if (Value < static_cast<uint16_t>(TypeRecordKind::SByte)) {
writeUInt16(static_cast<uint16_t>(Value));
} else if (Value <= std::numeric_limits<uint16_t>::max()) {
writeUInt16(static_cast<uint16_t>(TypeRecordKind::UInt16));
writeUInt16(static_cast<uint16_t>(Value));
} else if (Value <= std::numeric_limits<uint32_t>::max()) {
writeUInt16(static_cast<uint16_t>(TypeRecordKind::UInt32));
writeUInt32(static_cast<uint32_t>(Value));
} else {
writeUInt16(static_cast<uint16_t>(TypeRecordKind::UInt64));
writeUInt64(Value);
}
}
void TypeRecordBuilder::writeNullTerminatedString(const char *Value) {
assert(Value != nullptr);
size_t Length = strlen(Value);
Stream.write(Value, Length);
writeUInt8(0);
}
void TypeRecordBuilder::writeNullTerminatedString(StringRef Value) {
Stream.write(Value.data(), Value.size());
writeUInt8(0);
}
void TypeRecordBuilder::writeTypeIndex(TypeIndex TypeInd) {
writeUInt32(TypeInd.getIndex());
}
void TypeRecordBuilder::writeTypeRecordKind(TypeRecordKind Kind) {
writeUInt16(static_cast<uint16_t>(Kind));
}
|
