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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- DebugInlineeLinesSubsection.h ----------------------------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |||
| 9 | #ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H |
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| 10 | #define LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H |
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| 11 | |||
| 12 | #include "llvm/ADT/StringRef.h" |
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| 13 | #include "llvm/DebugInfo/CodeView/CodeView.h" |
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| 14 | #include "llvm/DebugInfo/CodeView/DebugSubsection.h" |
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| 15 | #include "llvm/DebugInfo/CodeView/TypeIndex.h" |
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| 16 | #include "llvm/Support/BinaryStreamArray.h" |
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| 17 | #include "llvm/Support/BinaryStreamReader.h" |
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| 18 | #include "llvm/Support/BinaryStreamRef.h" |
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| 19 | #include "llvm/Support/Endian.h" |
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| 20 | #include "llvm/Support/Error.h" |
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| 21 | #include <cstdint> |
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| 22 | #include <vector> |
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| 23 | |||
| 24 | namespace llvm { |
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| 25 | |||
| 26 | namespace codeview { |
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| 27 | |||
| 28 | class DebugChecksumsSubsection; |
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| 29 | |||
| 30 | enum class InlineeLinesSignature : uint32_t { |
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| 31 | Normal, // CV_INLINEE_SOURCE_LINE_SIGNATURE |
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| 32 | ExtraFiles // CV_INLINEE_SOURCE_LINE_SIGNATURE_EX |
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| 33 | }; |
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| 34 | |||
| 35 | struct InlineeSourceLineHeader { |
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| 36 | TypeIndex Inlinee; // ID of the function that was inlined. |
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| 37 | support::ulittle32_t FileID; // Offset into FileChecksums subsection. |
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| 38 | support::ulittle32_t SourceLineNum; // First line of inlined code. |
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| 39 | // If extra files present: |
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| 40 | // ulittle32_t ExtraFileCount; |
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| 41 | // ulittle32_t Files[]; |
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| 42 | }; |
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| 43 | |||
| 44 | struct InlineeSourceLine { |
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| 45 | const InlineeSourceLineHeader *Header; |
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| 46 | FixedStreamArray<support::ulittle32_t> ExtraFiles; |
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| 47 | }; |
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| 48 | |||
| 49 | } // end namespace codeview |
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| 50 | |||
| 51 | template <> struct VarStreamArrayExtractor<codeview::InlineeSourceLine> { |
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| 52 | Error operator()(BinaryStreamRef Stream, uint32_t &Len, |
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| 53 | codeview::InlineeSourceLine &Item); |
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| 54 | |||
| 55 | bool HasExtraFiles = false; |
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| 56 | }; |
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| 57 | |||
| 58 | namespace codeview { |
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| 59 | |||
| 60 | class DebugInlineeLinesSubsectionRef final : public DebugSubsectionRef { |
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| 61 | using LinesArray = VarStreamArray<InlineeSourceLine>; |
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| 62 | using Iterator = LinesArray::Iterator; |
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| 63 | |||
| 64 | public: |
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| 65 | DebugInlineeLinesSubsectionRef(); |
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| 66 | |||
| 67 | static bool classof(const DebugSubsectionRef *S) { |
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| 68 | return S->kind() == DebugSubsectionKind::InlineeLines; |
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| 69 | } |
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| 70 | |||
| 71 | Error initialize(BinaryStreamReader Reader); |
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| 72 | Error initialize(BinaryStreamRef Section) { |
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| 73 | return initialize(BinaryStreamReader(Section)); |
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| 74 | } |
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| 75 | |||
| 76 | bool valid() const { return Lines.valid(); } |
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| 77 | bool hasExtraFiles() const; |
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| 78 | |||
| 79 | Iterator begin() const { return Lines.begin(); } |
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| 80 | Iterator end() const { return Lines.end(); } |
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| 81 | |||
| 82 | private: |
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| 83 | InlineeLinesSignature Signature; |
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| 84 | LinesArray Lines; |
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| 85 | }; |
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| 86 | |||
| 87 | class DebugInlineeLinesSubsection final : public DebugSubsection { |
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| 88 | public: |
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| 89 | struct Entry { |
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| 90 | std::vector<support::ulittle32_t> ExtraFiles; |
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| 91 | InlineeSourceLineHeader Header; |
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| 92 | }; |
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| 93 | |||
| 94 | DebugInlineeLinesSubsection(DebugChecksumsSubsection &Checksums, |
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| 95 | bool HasExtraFiles = false); |
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| 96 | |||
| 97 | static bool classof(const DebugSubsection *S) { |
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| 98 | return S->kind() == DebugSubsectionKind::InlineeLines; |
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| 99 | } |
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| 100 | |||
| 101 | Error commit(BinaryStreamWriter &Writer) const override; |
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| 102 | uint32_t calculateSerializedSize() const override; |
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| 103 | |||
| 104 | void addInlineSite(TypeIndex FuncId, StringRef FileName, uint32_t SourceLine); |
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| 105 | void addExtraFile(StringRef FileName); |
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| 106 | |||
| 107 | bool hasExtraFiles() const { return HasExtraFiles; } |
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| 108 | void setHasExtraFiles(bool Has) { HasExtraFiles = Has; } |
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| 109 | |||
| 110 | std::vector<Entry>::const_iterator begin() const { return Entries.begin(); } |
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| 111 | std::vector<Entry>::const_iterator end() const { return Entries.end(); } |
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| 112 | |||
| 113 | private: |
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| 114 | DebugChecksumsSubsection &Checksums; |
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| 115 | bool HasExtraFiles = false; |
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| 116 | uint32_t ExtraFileCount = 0; |
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| 117 | std::vector<Entry> Entries; |
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| 118 | }; |
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| 119 | |||
| 120 | } // end namespace codeview |
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| 121 | |||
| 122 | } // end namespace llvm |
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| 123 | |||
| 124 | #endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H |