llvm/lib/DebugInfo/PDB/PDB.cpp

   1 //===- PDB.cpp - base header file for creating a PDB reader ---------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/DebugInfo/PDB/PDB.h"
  10 #include "llvm/ADT/StringRef.h"
  11 #include "llvm/Config/config.h"
  12 #include "llvm/DebugInfo/PDB/GenericError.h"
  13 #if LLVM_ENABLE_DIA_SDK
  14 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
  15 #endif
  16 #include "llvm/DebugInfo/PDB/Native/NativeSession.h"
  17 #include "llvm/Support/Error.h"
  18
  19 using namespace llvm;
  20 using namespace llvm::pdb;
  21
  22 Error llvm::pdb::loadDataForPDB(PDB_ReaderType Type, StringRef Path,
  23                                 std::unique_ptr<IPDBSession> &Session) {
  24   // Create the correct concrete instance type based on the value of Type.
  25   if (Type == PDB_ReaderType::Native)
  26     return NativeSession::createFromPdbPath(Path, Session);
  27
  28 #if LLVM_ENABLE_DIA_SDK
  29   return DIASession::createFromPdb(Path, Session);
  30 #else
  31   return make_error<PDBError>(pdb_error_code::dia_sdk_not_present);
  32 #endif
  33 }
  34
  35 Error llvm::pdb::loadDataForEXE(PDB_ReaderType Type, StringRef Path,
  36                                 std::unique_ptr<IPDBSession> &Session) {
  37   // Create the correct concrete instance type based on the value of Type.
  38   if (Type == PDB_ReaderType::Native) {
  39     Expected<std::string> PdbPath = NativeSession::searchForPdb({Path});
  40     if (!PdbPath)
  41       return PdbPath.takeError();
  42     return NativeSession::createFromPdbPath(PdbPath.get(), Session);
  43   }
  44
  45 #if LLVM_ENABLE_DIA_SDK
  46   return DIASession::createFromExe(Path, Session);
  47 #else
  48   return make_error<PDBError>(pdb_error_code::dia_sdk_not_present);
  49 #endif
  50 }