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1 //===- PDB.cpp - base header file for creating a PDB reader ---------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #include "llvm/DebugInfo/PDB/PDB.h"
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10 #include "llvm/ADT/StringRef.h"
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11 #include "llvm/Config/config.h"
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12 #include "llvm/DebugInfo/PDB/GenericError.h"
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13 #if LLVM_ENABLE_DIA_SDK
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14 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
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15 #endif
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16 #include "llvm/DebugInfo/PDB/Native/NativeSession.h"
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17 #include "llvm/Support/Error.h"
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18 #include "llvm/Support/MemoryBuffer.h"
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19
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20 using namespace llvm;
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21 using namespace llvm::pdb;
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22
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23 Error llvm::pdb::loadDataForPDB(PDB_ReaderType Type, StringRef Path,
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24 std::unique_ptr<IPDBSession> &Session) {
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25 // Create the correct concrete instance type based on the value of Type.
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26 if (Type == PDB_ReaderType::Native) {
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27 ErrorOr<std::unique_ptr<MemoryBuffer>> ErrorOrBuffer =
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28 MemoryBuffer::getFileOrSTDIN(Path, /*FileSize=*/-1,
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29 /*RequiresNullTerminator=*/false);
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30 if (!ErrorOrBuffer)
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31 return errorCodeToError(ErrorOrBuffer.getError());
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32
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33 return NativeSession::createFromPdb(std::move(*ErrorOrBuffer), Session);
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34 }
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35
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36 #if LLVM_ENABLE_DIA_SDK
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37 return DIASession::createFromPdb(Path, Session);
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38 #else
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39 return make_error<PDBError>(pdb_error_code::dia_sdk_not_present);
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40 #endif
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41 }
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42
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43 Error llvm::pdb::loadDataForEXE(PDB_ReaderType Type, StringRef Path,
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44 std::unique_ptr<IPDBSession> &Session) {
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45 // Create the correct concrete instance type based on the value of Type.
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46 if (Type == PDB_ReaderType::Native)
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47 return NativeSession::createFromExe(Path, Session);
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48
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49 #if LLVM_ENABLE_DIA_SDK
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50 return DIASession::createFromExe(Path, Session);
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51 #else
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52 return make_error<PDBError>(pdb_error_code::dia_sdk_not_present);
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53 #endif
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54 }
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