/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h
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1 | | //===- DebugInlineeLinesSubsection.h ----------------------------*- C++ -*-===// |
2 | | // |
3 | | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | | // See https://llvm.org/LICENSE.txt for license information. |
5 | | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | | // |
7 | | //===----------------------------------------------------------------------===// |
8 | | |
9 | | #ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H |
10 | | #define LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H |
11 | | |
12 | | #include "llvm/ADT/StringRef.h" |
13 | | #include "llvm/DebugInfo/CodeView/CodeView.h" |
14 | | #include "llvm/DebugInfo/CodeView/DebugSubsection.h" |
15 | | #include "llvm/DebugInfo/CodeView/Line.h" |
16 | | #include "llvm/DebugInfo/CodeView/TypeIndex.h" |
17 | | #include "llvm/Support/BinaryStreamArray.h" |
18 | | #include "llvm/Support/BinaryStreamReader.h" |
19 | | #include "llvm/Support/BinaryStreamRef.h" |
20 | | #include "llvm/Support/Endian.h" |
21 | | #include "llvm/Support/Error.h" |
22 | | #include <cstdint> |
23 | | #include <vector> |
24 | | |
25 | | namespace llvm { |
26 | | |
27 | | namespace codeview { |
28 | | |
29 | | class DebugChecksumsSubsection; |
30 | | |
31 | | enum class InlineeLinesSignature : uint32_t { |
32 | | Normal, // CV_INLINEE_SOURCE_LINE_SIGNATURE |
33 | | ExtraFiles // CV_INLINEE_SOURCE_LINE_SIGNATURE_EX |
34 | | }; |
35 | | |
36 | | struct InlineeSourceLineHeader { |
37 | | TypeIndex Inlinee; // ID of the function that was inlined. |
38 | | support::ulittle32_t FileID; // Offset into FileChecksums subsection. |
39 | | support::ulittle32_t SourceLineNum; // First line of inlined code. |
40 | | // If extra files present: |
41 | | // ulittle32_t ExtraFileCount; |
42 | | // ulittle32_t Files[]; |
43 | | }; |
44 | | |
45 | | struct InlineeSourceLine { |
46 | | const InlineeSourceLineHeader *Header; |
47 | | FixedStreamArray<support::ulittle32_t> ExtraFiles; |
48 | | }; |
49 | | |
50 | | } // end namespace codeview |
51 | | |
52 | | template <> struct VarStreamArrayExtractor<codeview::InlineeSourceLine> { |
53 | | Error operator()(BinaryStreamRef Stream, uint32_t &Len, |
54 | | codeview::InlineeSourceLine &Item); |
55 | | |
56 | | bool HasExtraFiles = false; |
57 | | }; |
58 | | |
59 | | namespace codeview { |
60 | | |
61 | | class DebugInlineeLinesSubsectionRef final : public DebugSubsectionRef { |
62 | | using LinesArray = VarStreamArray<InlineeSourceLine>; |
63 | | using Iterator = LinesArray::Iterator; |
64 | | |
65 | | public: |
66 | | DebugInlineeLinesSubsectionRef(); |
67 | | |
68 | 0 | static bool classof(const DebugSubsectionRef *S) { |
69 | 0 | return S->kind() == DebugSubsectionKind::InlineeLines; |
70 | 0 | } |
71 | | |
72 | | Error initialize(BinaryStreamReader Reader); |
73 | 3 | Error initialize(BinaryStreamRef Section) { |
74 | 3 | return initialize(BinaryStreamReader(Section)); |
75 | 3 | } |
76 | | |
77 | 79 | bool valid() const { return Lines.valid(); } |
78 | | bool hasExtraFiles() const; |
79 | | |
80 | 21 | Iterator begin() const { return Lines.begin(); } |
81 | 21 | Iterator end() const { return Lines.end(); } |
82 | | |
83 | | private: |
84 | | InlineeLinesSignature Signature; |
85 | | LinesArray Lines; |
86 | | }; |
87 | | |
88 | | class DebugInlineeLinesSubsection final : public DebugSubsection { |
89 | | public: |
90 | | struct Entry { |
91 | | std::vector<support::ulittle32_t> ExtraFiles; |
92 | | InlineeSourceLineHeader Header; |
93 | | }; |
94 | | |
95 | | DebugInlineeLinesSubsection(DebugChecksumsSubsection &Checksums, |
96 | | bool HasExtraFiles = false); |
97 | | |
98 | 0 | static bool classof(const DebugSubsection *S) { |
99 | 0 | return S->kind() == DebugSubsectionKind::InlineeLines; |
100 | 0 | } |
101 | | |
102 | | Error commit(BinaryStreamWriter &Writer) const override; |
103 | | uint32_t calculateSerializedSize() const override; |
104 | | |
105 | | void addInlineSite(TypeIndex FuncId, StringRef FileName, uint32_t SourceLine); |
106 | | void addExtraFile(StringRef FileName); |
107 | | |
108 | 0 | bool hasExtraFiles() const { return HasExtraFiles; } |
109 | 0 | void setHasExtraFiles(bool Has) { HasExtraFiles = Has; } |
110 | | |
111 | 0 | std::vector<Entry>::const_iterator begin() const { return Entries.begin(); } |
112 | 0 | std::vector<Entry>::const_iterator end() const { return Entries.end(); } |
113 | | |
114 | | private: |
115 | | DebugChecksumsSubsection &Checksums; |
116 | | bool HasExtraFiles = false; |
117 | | uint32_t ExtraFileCount = 0; |
118 | | std::vector<Entry> Entries; |
119 | | }; |
120 | | |
121 | | } // end namespace codeview |
122 | | |
123 | | } // end namespace llvm |
124 | | |
125 | | #endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H |