llvm-for-llvmta/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h

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//===- ModuleDebugStream.h - PDB Module Info Stream Access ------*- 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_PDB_NATIVE_MODULEDEBUGSTREAM_H
#define LLVM_DEBUGINFO_PDB_NATIVE_MODULEDEBUGSTREAM_H
#include "llvm/ADT/iterator_range.h"
#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
#include "llvm/Support/BinaryStreamRef.h"
#include "llvm/Support/Error.h"
#include <cstdint>
#include <memory>
namespace llvm {
namespace pdb {
class DbiModuleDescriptor;
class ModuleDebugStreamRef {
using DebugSubsectionIterator = codeview::DebugSubsectionArray::Iterator;
public:
ModuleDebugStreamRef(const DbiModuleDescriptor &Module,
std::unique_ptr<msf::MappedBlockStream> Stream);
ModuleDebugStreamRef(ModuleDebugStreamRef &&Other) = default;
ModuleDebugStreamRef(const ModuleDebugStreamRef &Other) = default;
~ModuleDebugStreamRef();
Error reload();
uint32_t signature() const { return Signature; }
iterator_range<codeview::CVSymbolArray::Iterator>
symbols(bool *HadError) const;
const codeview::CVSymbolArray &getSymbolArray() const { return SymbolArray; }
const codeview::CVSymbolArray
getSymbolArrayForScope(uint32_t ScopeBegin) const;
BinarySubstreamRef getSymbolsSubstream() const;
BinarySubstreamRef getC11LinesSubstream() const;
BinarySubstreamRef getC13LinesSubstream() const;
BinarySubstreamRef getGlobalRefsSubstream() const;
ModuleDebugStreamRef &operator=(ModuleDebugStreamRef &&Other) = delete;
codeview::CVSymbol readSymbolAtOffset(uint32_t Offset) const;
iterator_range<DebugSubsectionIterator> subsections() const;
codeview::DebugSubsectionArray getSubsectionsArray() const {
return Subsections;
}
bool hasDebugSubsections() const;
Error commit();
Expected<codeview::DebugChecksumsSubsectionRef>
findChecksumsSubsection() const;
private:
Error reloadSerialize(BinaryStreamReader &Reader);
DbiModuleDescriptor Mod;
uint32_t Signature;
std::shared_ptr<msf::MappedBlockStream> Stream;
codeview::CVSymbolArray SymbolArray;
BinarySubstreamRef SymbolsSubstream;
BinarySubstreamRef C11LinesSubstream;
BinarySubstreamRef C13LinesSubstream;
BinarySubstreamRef GlobalRefsSubstream;
codeview::DebugSubsectionArray Subsections;
};
} // end namespace pdb
} // end namespace llvm
#endif // LLVM_DEBUGINFO_PDB_NATIVE_MODULEDEBUGSTREAM_H