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//===- RawSession.cpp - Raw implementation of IPDBSession -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/Raw/RawSession.h"
#include "llvm/DebugInfo/CodeView/ByteStream.h"
#include "llvm/DebugInfo/CodeView/StreamInterface.h"
#include "llvm/DebugInfo/PDB/GenericError.h"
#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
#include "llvm/DebugInfo/PDB/IPDBSourceFile.h"
#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
#include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
#include "llvm/DebugInfo/PDB/Raw/PDBFile.h"
#include "llvm/DebugInfo/PDB/Raw/RawError.h"
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/MemoryBuffer.h"
using namespace llvm;
using namespace llvm::pdb;
namespace {
// We need a class which behaves like an immutable ByteStream, but whose data
// is backed by an llvm::MemoryBuffer. It also needs to own the underlying
// MemoryBuffer, so this simple adapter is a good way to achieve that.
class InputByteStream : public codeview::ByteStream<false> {
public:
explicit InputByteStream(std::unique_ptr<MemoryBuffer> Buffer)
: ByteStream(ArrayRef<uint8_t>(Buffer->getBuffer().bytes_begin(),
Buffer->getBuffer().bytes_end())),
MemBuffer(std::move(Buffer)) {}
std::unique_ptr<MemoryBuffer> MemBuffer;
};
}
RawSession::RawSession(std::unique_ptr<PDBFile> PdbFile)
: Pdb(std::move(PdbFile)) {}
RawSession::~RawSession() {}
Error RawSession::createFromPdb(StringRef Path,
std::unique_ptr<IPDBSession> &Session) {
ErrorOr<std::unique_ptr<MemoryBuffer>> ErrorOrBuffer =
MemoryBuffer::getFileOrSTDIN(Path, /*FileSize=*/-1,
/*RequiresNullTerminator=*/false);
if (!ErrorOrBuffer)
return llvm::make_error<GenericError>(generic_error_code::invalid_path);
std::unique_ptr<MemoryBuffer> Buffer = std::move(*ErrorOrBuffer);
auto Stream = llvm::make_unique<InputByteStream>(std::move(Buffer));
std::unique_ptr<PDBFile> File(new PDBFile(std::move(Stream)));
if (auto EC = File->parseFileHeaders())
return EC;
if (auto EC = File->parseStreamData())
return EC;
Session.reset(new RawSession(std::move(File)));
return Error::success();
}
Error RawSession::createFromExe(StringRef Path,
std::unique_ptr<IPDBSession> &Session) {
return llvm::make_error<RawError>(raw_error_code::feature_unsupported);
}
uint64_t RawSession::getLoadAddress() const { return 0; }
void RawSession::setLoadAddress(uint64_t Address) {}
std::unique_ptr<PDBSymbolExe> RawSession::getGlobalScope() const {
return nullptr;
}
std::unique_ptr<PDBSymbol> RawSession::getSymbolById(uint32_t SymbolId) const {
return nullptr;
}
std::unique_ptr<PDBSymbol>
RawSession::findSymbolByAddress(uint64_t Address, PDB_SymType Type) const {
return nullptr;
}
std::unique_ptr<IPDBEnumLineNumbers>
RawSession::findLineNumbers(const PDBSymbolCompiland &Compiland,
const IPDBSourceFile &File) const {
return nullptr;
}
std::unique_ptr<IPDBEnumLineNumbers>
RawSession::findLineNumbersByAddress(uint64_t Address, uint32_t Length) const {
return nullptr;
}
std::unique_ptr<IPDBEnumSourceFiles>
RawSession::findSourceFiles(const PDBSymbolCompiland *Compiland,
llvm::StringRef Pattern,
PDB_NameSearchFlags Flags) const {
return nullptr;
}
std::unique_ptr<IPDBSourceFile>
RawSession::findOneSourceFile(const PDBSymbolCompiland *Compiland,
llvm::StringRef Pattern,
PDB_NameSearchFlags Flags) const {
return nullptr;
}
std::unique_ptr<IPDBEnumChildren<PDBSymbolCompiland>>
RawSession::findCompilandsForSourceFile(llvm::StringRef Pattern,
PDB_NameSearchFlags Flags) const {
return nullptr;
}
std::unique_ptr<PDBSymbolCompiland>
RawSession::findOneCompilandForSourceFile(llvm::StringRef Pattern,
PDB_NameSearchFlags Flags) const {
return nullptr;
}
std::unique_ptr<IPDBEnumSourceFiles> RawSession::getAllSourceFiles() const {
return nullptr;
}
std::unique_ptr<IPDBEnumSourceFiles> RawSession::getSourceFilesForCompiland(
const PDBSymbolCompiland &Compiland) const {
return nullptr;
}
std::unique_ptr<IPDBSourceFile>
RawSession::getSourceFileById(uint32_t FileId) const {
return nullptr;
}
std::unique_ptr<IPDBEnumDataStreams> RawSession::getDebugStreams() const {
return nullptr;
}
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