forked from OSchip/llvm-project
66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
//===- InjectedSourceStream.cpp - PDB Headerblock Stream Access -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/PDB/Native/InjectedSourceStream.h"
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#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
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#include "llvm/DebugInfo/PDB/Native/Hash.h"
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#include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
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#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
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#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
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#include "llvm/Support/BinaryStreamReader.h"
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#include "llvm/Support/Endian.h"
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using namespace llvm;
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using namespace llvm::msf;
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using namespace llvm::support;
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using namespace llvm::pdb;
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InjectedSourceStream::InjectedSourceStream(
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std::unique_ptr<MappedBlockStream> Stream)
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: Stream(std::move(Stream)) {}
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Error InjectedSourceStream::reload(const PDBStringTable &Strings) {
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BinaryStreamReader Reader(*Stream);
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if (auto EC = Reader.readObject(Header))
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return EC;
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if (Header->Version !=
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static_cast<uint32_t>(PdbRaw_SrcHeaderBlockVer::SrcVerOne))
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return make_error<RawError>(raw_error_code::corrupt_file,
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"Invalid headerblock header version");
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if (auto EC = InjectedSourceTable.load(Reader))
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return EC;
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for (const auto& Entry : *this) {
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if (Entry.second.Size != sizeof(SrcHeaderBlockEntry))
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return make_error<RawError>(raw_error_code::corrupt_file,
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"Invalid headerbock entry size");
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if (Entry.second.Version !=
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static_cast<uint32_t>(PdbRaw_SrcHeaderBlockVer::SrcVerOne))
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return make_error<RawError>(raw_error_code::corrupt_file,
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"Invalid headerbock entry version");
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// Check that all name references are valid.
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auto Name = Strings.getStringForID(Entry.second.FileNI);
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if (!Name)
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return Name.takeError();
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auto ObjName = Strings.getStringForID(Entry.second.ObjNI);
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if (!ObjName)
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return ObjName.takeError();
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auto VName = Strings.getStringForID(Entry.second.VFileNI);
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if (!VName)
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return VName.takeError();
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}
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assert(Reader.bytesRemaining() == 0);
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return Error::success();
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}
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