1 //===-- TypeIndex.cpp - CodeView type index ---------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
11
12 #include "llvm/DebugInfo/CodeView/TypeCollection.h"
13 #include "llvm/Support/ScopedPrinter.h"
14
15 using namespace llvm;
16 using namespace llvm::codeview;
17
18 namespace {
19 struct SimpleTypeEntry {
20 StringRef Name;
21 SimpleTypeKind Kind;
22 };
23
24 /// The names here all end in "*". If the simple type is a pointer type, we
25 /// return the whole name. Otherwise we lop off the last character in our
26 /// StringRef.
27 static const SimpleTypeEntry SimpleTypeNames[] = {
28 {"void*", SimpleTypeKind::Void},
29 {"<not translated>*", SimpleTypeKind::NotTranslated},
30 {"HRESULT*", SimpleTypeKind::HResult},
31 {"signed char*", SimpleTypeKind::SignedCharacter},
32 {"unsigned char*", SimpleTypeKind::UnsignedCharacter},
33 {"char*", SimpleTypeKind::NarrowCharacter},
34 {"wchar_t*", SimpleTypeKind::WideCharacter},
35 {"char16_t*", SimpleTypeKind::Character16},
36 {"char32_t*", SimpleTypeKind::Character32},
37 {"__int8*", SimpleTypeKind::SByte},
38 {"unsigned __int8*", SimpleTypeKind::Byte},
39 {"short*", SimpleTypeKind::Int16Short},
40 {"unsigned short*", SimpleTypeKind::UInt16Short},
41 {"__int16*", SimpleTypeKind::Int16},
42 {"unsigned __int16*", SimpleTypeKind::UInt16},
43 {"long*", SimpleTypeKind::Int32Long},
44 {"unsigned long*", SimpleTypeKind::UInt32Long},
45 {"int*", SimpleTypeKind::Int32},
46 {"unsigned*", SimpleTypeKind::UInt32},
47 {"__int64*", SimpleTypeKind::Int64Quad},
48 {"unsigned __int64*", SimpleTypeKind::UInt64Quad},
49 {"__int64*", SimpleTypeKind::Int64},
50 {"unsigned __int64*", SimpleTypeKind::UInt64},
51 {"__int128*", SimpleTypeKind::Int128},
52 {"unsigned __int128*", SimpleTypeKind::UInt128},
53 {"__half*", SimpleTypeKind::Float16},
54 {"float*", SimpleTypeKind::Float32},
55 {"float*", SimpleTypeKind::Float32PartialPrecision},
56 {"__float48*", SimpleTypeKind::Float48},
57 {"double*", SimpleTypeKind::Float64},
58 {"long double*", SimpleTypeKind::Float80},
59 {"__float128*", SimpleTypeKind::Float128},
60 {"_Complex float*", SimpleTypeKind::Complex32},
61 {"_Complex double*", SimpleTypeKind::Complex64},
62 {"_Complex long double*", SimpleTypeKind::Complex80},
63 {"_Complex __float128*", SimpleTypeKind::Complex128},
64 {"bool*", SimpleTypeKind::Boolean8},
65 {"__bool16*", SimpleTypeKind::Boolean16},
66 {"__bool32*", SimpleTypeKind::Boolean32},
67 {"__bool64*", SimpleTypeKind::Boolean64},
68 };
69 } // namespace
70
simpleTypeName(TypeIndex TI)71 StringRef TypeIndex::simpleTypeName(TypeIndex TI) {
72 assert(TI.isNoneType() || TI.isSimple());
73
74 if (TI.isNoneType())
75 return "<no type>";
76
77 // This is a simple type.
78 for (const auto &SimpleTypeName : SimpleTypeNames) {
79 if (SimpleTypeName.Kind == TI.getSimpleKind()) {
80 if (TI.getSimpleMode() == SimpleTypeMode::Direct)
81 return SimpleTypeName.Name.drop_back(1);
82 // Otherwise, this is a pointer type. We gloss over the distinction
83 // between near, far, 64, 32, etc, and just give a pointer type.
84 return SimpleTypeName.Name;
85 }
86 }
87 return "<unknown simple type>";
88 }
89
printTypeIndex(ScopedPrinter & Printer,StringRef FieldName,TypeIndex TI,TypeCollection & Types)90 void llvm::codeview::printTypeIndex(ScopedPrinter &Printer, StringRef FieldName,
91 TypeIndex TI, TypeCollection &Types) {
92 StringRef TypeName;
93 if (!TI.isNoneType()) {
94 if (TI.isSimple())
95 TypeName = TypeIndex::simpleTypeName(TI);
96 else
97 TypeName = Types.getTypeName(TI);
98 }
99
100 if (!TypeName.empty())
101 Printer.printHex(FieldName, TypeName, TI.getIndex());
102 else
103 Printer.printHex(FieldName, TI.getIndex());
104 }
105