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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351636 91177308-0d34-0410-b5e6-96231b3b80d8
121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
//===- DebugInlineeLinesSubsection.h ----------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H
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#define LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/DebugInfo/CodeView/CodeView.h"
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#include "llvm/DebugInfo/CodeView/DebugSubsection.h"
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#include "llvm/DebugInfo/CodeView/Line.h"
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#include "llvm/DebugInfo/CodeView/TypeIndex.h"
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#include "llvm/Support/BinaryStreamArray.h"
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#include "llvm/Support/BinaryStreamReader.h"
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#include "llvm/Support/BinaryStreamRef.h"
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#include "llvm/Support/Endian.h"
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#include "llvm/Support/Error.h"
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#include <cstdint>
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#include <vector>
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namespace llvm {
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namespace codeview {
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class DebugChecksumsSubsection;
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enum class InlineeLinesSignature : uint32_t {
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Normal, // CV_INLINEE_SOURCE_LINE_SIGNATURE
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ExtraFiles // CV_INLINEE_SOURCE_LINE_SIGNATURE_EX
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};
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struct InlineeSourceLineHeader {
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TypeIndex Inlinee; // ID of the function that was inlined.
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support::ulittle32_t FileID; // Offset into FileChecksums subsection.
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support::ulittle32_t SourceLineNum; // First line of inlined code.
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// If extra files present:
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// ulittle32_t ExtraFileCount;
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// ulittle32_t Files[];
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};
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struct InlineeSourceLine {
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const InlineeSourceLineHeader *Header;
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FixedStreamArray<support::ulittle32_t> ExtraFiles;
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};
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} // end namespace codeview
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template <> struct VarStreamArrayExtractor<codeview::InlineeSourceLine> {
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Error operator()(BinaryStreamRef Stream, uint32_t &Len,
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codeview::InlineeSourceLine &Item);
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bool HasExtraFiles = false;
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};
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namespace codeview {
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class DebugInlineeLinesSubsectionRef final : public DebugSubsectionRef {
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using LinesArray = VarStreamArray<InlineeSourceLine>;
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using Iterator = LinesArray::Iterator;
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public:
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DebugInlineeLinesSubsectionRef();
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static bool classof(const DebugSubsectionRef *S) {
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return S->kind() == DebugSubsectionKind::InlineeLines;
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}
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Error initialize(BinaryStreamReader Reader);
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bool hasExtraFiles() const;
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Iterator begin() const { return Lines.begin(); }
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Iterator end() const { return Lines.end(); }
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private:
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InlineeLinesSignature Signature;
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VarStreamArray<InlineeSourceLine> Lines;
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};
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class DebugInlineeLinesSubsection final : public DebugSubsection {
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public:
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struct Entry {
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std::vector<support::ulittle32_t> ExtraFiles;
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InlineeSourceLineHeader Header;
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};
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DebugInlineeLinesSubsection(DebugChecksumsSubsection &Checksums,
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bool HasExtraFiles = false);
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static bool classof(const DebugSubsection *S) {
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return S->kind() == DebugSubsectionKind::InlineeLines;
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}
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Error commit(BinaryStreamWriter &Writer) const override;
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uint32_t calculateSerializedSize() const override;
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void addInlineSite(TypeIndex FuncId, StringRef FileName, uint32_t SourceLine);
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void addExtraFile(StringRef FileName);
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bool hasExtraFiles() const { return HasExtraFiles; }
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void setHasExtraFiles(bool Has) { HasExtraFiles = Has; }
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std::vector<Entry>::const_iterator begin() const { return Entries.begin(); }
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std::vector<Entry>::const_iterator end() const { return Entries.end(); }
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private:
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DebugChecksumsSubsection &Checksums;
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bool HasExtraFiles = false;
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uint32_t ExtraFileCount = 0;
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std::vector<Entry> Entries;
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};
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} // end namespace codeview
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} // end namespace llvm
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#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGINLINEELINESSUBSECTION_H
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