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//===- 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/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);
Error initialize(BinaryStreamRef Section) {
return initialize(BinaryStreamReader(Section));
}
bool valid() const { return Lines.valid(); }
bool hasExtraFiles() const;
Iterator begin() const { return Lines.begin(); }
Iterator end() const { return Lines.end(); }
private:
InlineeLinesSignature Signature;
LinesArray 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
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