LLVM  10.0.0svn
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"
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 
32  Normal, // CV_INLINEE_SOURCE_LINE_SIGNATURE
33  ExtraFiles // CV_INLINEE_SOURCE_LINE_SIGNATURE_EX
34 };
35 
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 
48 };
49 
50 } // end namespace codeview
51 
52 template <> struct VarStreamArrayExtractor<codeview::InlineeSourceLine> {
53  Error operator()(BinaryStreamRef Stream, uint32_t &Len,
55 
56  bool HasExtraFiles = false;
57 };
58 
59 namespace codeview {
60 
64 
65 public:
67 
68  static bool classof(const DebugSubsectionRef *S) {
70  }
71 
74  return initialize(BinaryStreamReader(Section));
75  }
76 
77  bool valid() const { return Lines.valid(); }
78  bool hasExtraFiles() const;
79 
80  Iterator begin() const { return Lines.begin(); }
81  Iterator end() const { return Lines.end(); }
82 
83 private:
84  InlineeLinesSignature Signature;
85  LinesArray Lines;
86 };
87 
89 public:
90  struct Entry {
91  std::vector<support::ulittle32_t> ExtraFiles;
93  };
94 
96  bool HasExtraFiles = false);
97 
98  static bool classof(const DebugSubsection *S) {
100  }
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  bool hasExtraFiles() const { return HasExtraFiles; }
109  void setHasExtraFiles(bool Has) { HasExtraFiles = Has; }
110 
111  std::vector<Entry>::const_iterator begin() const { return Entries.begin(); }
112  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
Profile::FuncID FuncId
Definition: Profile.cpp:321
This class represents lattice values for constants.
Definition: AllocatorList.h:23
static bool classof(const DebugSubsectionRef *S)
std::vector< Entry >::const_iterator end() const
VarStreamArrayExtractor is intended to be specialized to provide customized extraction logic...
std::vector< Entry >::const_iterator begin() const
static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T, ArrayRef< StringLiteral > StandardNames)
Initialize the set of available library functions based on the specified target triple.
A 32-bit type reference.
Definition: TypeIndex.h:95
static bool classof(const DebugSubsection *S)
Provides write only access to a subclass of WritableBinaryStream.
const InlineeSourceLineHeader * Header
BinaryStreamRef is to BinaryStream what ArrayRef is to an Array.
VarStreamArray represents an array of variable length records backed by a stream. ...
DebugSubsectionKind kind() const
FixedStreamArray< support::ulittle32_t > ExtraFiles
Lightweight error class with error context and mandatory checking.
Definition: Error.h:157
Provides read only access to a subclass of BinaryStream.
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:48
DebugSubsectionKind kind() const