xref: /freebsd/contrib/llvm-project/llvm/lib/DebugInfo/PDB/PDB.cpp (revision d9a42747950146bf03cda7f6e25d219253f8a57a)
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 }
51