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//===- NativeSession.h - Native implementation of IPDBSession ---*- 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_NATIVESESSION_H
#define LLVM_DEBUGINFO_PDB_NATIVE_NATIVESESSION_H
#include "llvm/ADT/IntervalMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/DebugInfo/PDB/IPDBSession.h"
#include "llvm/DebugInfo/PDB/Native/SymbolCache.h"
#include "llvm/DebugInfo/PDB/PDBTypes.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Error.h"
namespace llvm {
class MemoryBuffer;
namespace pdb {
class PDBFile;
class NativeExeSymbol;
class IPDBSourceFile;
class ModuleDebugStreamRef;
class PDBSymbol;
class PDBSymbolCompiland;
class PDBSymbolExe;
template <typename ChildType> class IPDBEnumChildren;
class NativeSession : public IPDBSession {
struct PdbSearchOptions {
StringRef ExePath;
// FIXME: Add other PDB search options (_NT_SYMBOL_PATH, symsrv)
};
public:
NativeSession(std::unique_ptr<PDBFile> PdbFile,
std::unique_ptr<BumpPtrAllocator> Allocator);
~NativeSession() override;
static Error createFromPdb(std::unique_ptr<MemoryBuffer> MB,
std::unique_ptr<IPDBSession> &Session);
static Error createFromPdbPath(StringRef PdbPath,
std::unique_ptr<IPDBSession> &Session);
static Error createFromExe(StringRef Path,
std::unique_ptr<IPDBSession> &Session);
static Expected<std::string> searchForPdb(const PdbSearchOptions &Opts);
uint64_t getLoadAddress() const override;
bool setLoadAddress(uint64_t Address) override;
std::unique_ptr<PDBSymbolExe> getGlobalScope() override;
std::unique_ptr<PDBSymbol> getSymbolById(SymIndexId SymbolId) const override;
bool addressForVA(uint64_t VA, uint32_t &Section,
uint32_t &Offset) const override;
bool addressForRVA(uint32_t RVA, uint32_t &Section,
uint32_t &Offset) const override;
std::unique_ptr<PDBSymbol> findSymbolByAddress(uint64_t Address,
PDB_SymType Type) override;
std::unique_ptr<PDBSymbol> findSymbolByRVA(uint32_t RVA,
PDB_SymType Type) override;
std::unique_ptr<PDBSymbol> findSymbolBySectOffset(uint32_t Sect,
uint32_t Offset,
PDB_SymType Type) override;
std::unique_ptr<IPDBEnumLineNumbers>
findLineNumbers(const PDBSymbolCompiland &Compiland,
const IPDBSourceFile &File) const override;
std::unique_ptr<IPDBEnumLineNumbers>
findLineNumbersByAddress(uint64_t Address, uint32_t Length) const override;
std::unique_ptr<IPDBEnumLineNumbers>
findLineNumbersByRVA(uint32_t RVA, uint32_t Length) const override;
std::unique_ptr<IPDBEnumLineNumbers>
findLineNumbersBySectOffset(uint32_t Section, uint32_t Offset,
uint32_t Length) const override;
std::unique_ptr<IPDBEnumSourceFiles>
findSourceFiles(const PDBSymbolCompiland *Compiland, llvm::StringRef Pattern,
PDB_NameSearchFlags Flags) const override;
std::unique_ptr<IPDBSourceFile>
findOneSourceFile(const PDBSymbolCompiland *Compiland,
llvm::StringRef Pattern,
PDB_NameSearchFlags Flags) const override;
std::unique_ptr<IPDBEnumChildren<PDBSymbolCompiland>>
findCompilandsForSourceFile(llvm::StringRef Pattern,
PDB_NameSearchFlags Flags) const override;
std::unique_ptr<PDBSymbolCompiland>
findOneCompilandForSourceFile(llvm::StringRef Pattern,
PDB_NameSearchFlags Flags) const override;
std::unique_ptr<IPDBEnumSourceFiles> getAllSourceFiles() const override;
std::unique_ptr<IPDBEnumSourceFiles> getSourceFilesForCompiland(
const PDBSymbolCompiland &Compiland) const override;
std::unique_ptr<IPDBSourceFile>
getSourceFileById(uint32_t FileId) const override;
std::unique_ptr<IPDBEnumDataStreams> getDebugStreams() const override;
std::unique_ptr<IPDBEnumTables> getEnumTables() const override;
std::unique_ptr<IPDBEnumInjectedSources> getInjectedSources() const override;
std::unique_ptr<IPDBEnumSectionContribs> getSectionContribs() const override;
std::unique_ptr<IPDBEnumFrameData> getFrameData() const override;
PDBFile &getPDBFile() { return *Pdb; }
const PDBFile &getPDBFile() const { return *Pdb; }
NativeExeSymbol &getNativeGlobalScope() const;
SymbolCache &getSymbolCache() { return Cache; }
const SymbolCache &getSymbolCache() const { return Cache; }
uint32_t getRVAFromSectOffset(uint32_t Section, uint32_t Offset) const;
uint64_t getVAFromSectOffset(uint32_t Section, uint32_t Offset) const;
bool moduleIndexForVA(uint64_t VA, uint16_t &ModuleIndex) const;
bool moduleIndexForSectOffset(uint32_t Sect, uint32_t Offset,
uint16_t &ModuleIndex) const;
Expected<ModuleDebugStreamRef> getModuleDebugStream(uint32_t Index) const;
private:
void initializeExeSymbol();
void parseSectionContribs();
std::unique_ptr<PDBFile> Pdb;
std::unique_ptr<BumpPtrAllocator> Allocator;
SymbolCache Cache;
SymIndexId ExeSymbol = 0;
uint64_t LoadAddress = 0;
/// Map from virtual address to module index.
using IMap =
IntervalMap<uint64_t, uint16_t, 8, IntervalMapHalfOpenInfo<uint64_t>>;
IMap::Allocator IMapAllocator;
IMap AddrToModuleIndex;
};
} // namespace pdb
} // namespace llvm
#endif
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