Files
clang-p2996/llvm/lib/DebugInfo/PDB/PDB.cpp
Amy Huang 2360933147 Reland "Implement some functions in NativeSession." with fixes so that
the tests pass on Linux.

Summary:
This change implements readFromExe, and calculating VA and RVA, which
are some of the functionalities that will be used for native PDB reading
for llvm symbolizer.

bug: https://bugs.llvm.org/show_bug.cgi?id=41795
2020-04-21 16:35:27 -07:00

57 lines
2.0 KiB
C++

//===- PDB.cpp - base header file for creating a PDB reader ---------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/PDB.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Config/config.h"
#include "llvm/DebugInfo/PDB/GenericError.h"
#if LLVM_ENABLE_DIA_SDK
#include "llvm/DebugInfo/PDB/DIA/DIASession.h"
#endif
#include "llvm/DebugInfo/PDB/Native/NativeSession.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/MemoryBuffer.h"
using namespace llvm;
using namespace llvm::pdb;
Error llvm::pdb::loadDataForPDB(PDB_ReaderType Type, StringRef Path,
std::unique_ptr<IPDBSession> &Session) {
// Create the correct concrete instance type based on the value of Type.
if (Type == PDB_ReaderType::Native)
return NativeSession::createFromPdbPath(Path, Session);
#if LLVM_ENABLE_DIA_SDK
return DIASession::createFromPdb(Path, Session);
#else
return make_error<PDBError>(pdb_error_code::dia_sdk_not_present);
#endif
}
Error llvm::pdb::loadDataForEXE(PDB_ReaderType Type, StringRef Path,
std::unique_ptr<IPDBSession> &Session) {
// Create the correct concrete instance type based on the value of Type.
if (Type == PDB_ReaderType::Native) {
if (auto Err = NativeSession::createFromExe(Path, Session)) {
consumeError(std::move(Err));
Expected<std::string> PdbPath = NativeSession::searchForPdb({Path});
if (!PdbPath)
return PdbPath.takeError();
return NativeSession::createFromPdbPath(PdbPath.get(), Session);
}
return Error::success();
}
#if LLVM_ENABLE_DIA_SDK
return DIASession::createFromExe(Path, Session);
#else
return make_error<PDBError>(pdb_error_code::dia_sdk_not_present);
#endif
}