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Diffstat (limited to 'clang-r353983e/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h')
| -rw-r--r-- | clang-r353983e/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/clang-r353983e/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h b/clang-r353983e/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h new file mode 100644 index 00000000..1ca2bd02 --- /dev/null +++ b/clang-r353983e/include/llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h @@ -0,0 +1,120 @@ +//===- DebugInlineeLinesSubsection.h ----------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H +#define LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H + +#include "llvm/ADT/StringRef.h" +#include "llvm/DebugInfo/CodeView/CodeView.h" +#include "llvm/DebugInfo/CodeView/DebugSubsection.h" +#include "llvm/DebugInfo/CodeView/Line.h" +#include "llvm/DebugInfo/CodeView/TypeIndex.h" +#include "llvm/Support/BinaryStreamArray.h" +#include "llvm/Support/BinaryStreamReader.h" +#include "llvm/Support/BinaryStreamRef.h" +#include "llvm/Support/Endian.h" +#include "llvm/Support/Error.h" +#include <cstdint> +#include <vector> + +namespace llvm { + +namespace codeview { + +class DebugChecksumsSubsection; + +enum class InlineeLinesSignature : uint32_t { + Normal, // CV_INLINEE_SOURCE_LINE_SIGNATURE + ExtraFiles // CV_INLINEE_SOURCE_LINE_SIGNATURE_EX +}; + +struct InlineeSourceLineHeader { + TypeIndex Inlinee; // ID of the function that was inlined. + support::ulittle32_t FileID; // Offset into FileChecksums subsection. + support::ulittle32_t SourceLineNum; // First line of inlined code. + // If extra files present: + // ulittle32_t ExtraFileCount; + // ulittle32_t Files[]; +}; + +struct InlineeSourceLine { + const InlineeSourceLineHeader *Header; + FixedStreamArray<support::ulittle32_t> ExtraFiles; +}; + +} // end namespace codeview + +template <> struct VarStreamArrayExtractor<codeview::InlineeSourceLine> { + Error operator()(BinaryStreamRef Stream, uint32_t &Len, + codeview::InlineeSourceLine &Item); + + bool HasExtraFiles = false; +}; + +namespace codeview { + +class DebugInlineeLinesSubsectionRef final : public DebugSubsectionRef { + using LinesArray = VarStreamArray<InlineeSourceLine>; + using Iterator = LinesArray::Iterator; + +public: + DebugInlineeLinesSubsectionRef(); + + static bool classof(const DebugSubsectionRef *S) { + return S->kind() == DebugSubsectionKind::InlineeLines; + } + + Error initialize(BinaryStreamReader Reader); + bool hasExtraFiles() const; + + Iterator begin() const { return Lines.begin(); } + Iterator end() const { return Lines.end(); } + +private: + InlineeLinesSignature Signature; + VarStreamArray<InlineeSourceLine> Lines; +}; + +class DebugInlineeLinesSubsection final : public DebugSubsection { +public: + struct Entry { + std::vector<support::ulittle32_t> ExtraFiles; + InlineeSourceLineHeader Header; + }; + + DebugInlineeLinesSubsection(DebugChecksumsSubsection &Checksums, + bool HasExtraFiles = false); + + static bool classof(const DebugSubsection *S) { + return S->kind() == DebugSubsectionKind::InlineeLines; + } + + Error commit(BinaryStreamWriter &Writer) const override; + uint32_t calculateSerializedSize() const override; + + void addInlineSite(TypeIndex FuncId, StringRef FileName, uint32_t SourceLine); + void addExtraFile(StringRef FileName); + + bool hasExtraFiles() const { return HasExtraFiles; } + void setHasExtraFiles(bool Has) { HasExtraFiles = Has; } + + std::vector<Entry>::const_iterator begin() const { return Entries.begin(); } + std::vector<Entry>::const_iterator end() const { return Entries.end(); } + +private: + DebugChecksumsSubsection &Checksums; + bool HasExtraFiles = false; + uint32_t ExtraFileCount = 0; + std::vector<Entry> Entries; +}; + +} // end namespace codeview + +} // end namespace llvm + +#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H |
