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77 lines
2.6 KiB
77 lines
2.6 KiB
4 months ago
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//===- DbiStreamBuilder.cpp - PDB Dbi Stream Creation -----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/PDB/Raw/DbiStreamBuilder.h"
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#include "llvm/DebugInfo/CodeView/StreamWriter.h"
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#include "llvm/DebugInfo/PDB/Raw/DbiStream.h"
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#include "llvm/DebugInfo/PDB/Raw/MappedBlockStream.h"
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#include "llvm/DebugInfo/PDB/Raw/RawError.h"
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using namespace llvm;
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using namespace llvm::codeview;
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using namespace llvm::pdb;
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DbiStreamBuilder::DbiStreamBuilder(PDBFile &File)
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: File(File), Age(1), BuildNumber(0), PdbDllVersion(0), PdbDllRbld(0),
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Flags(0), MachineType(PDB_Machine::x86) {}
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void DbiStreamBuilder::setVersionHeader(PdbRaw_DbiVer V) { VerHeader = V; }
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void DbiStreamBuilder::setAge(uint32_t A) { Age = A; }
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void DbiStreamBuilder::setBuildNumber(uint16_t B) { BuildNumber = B; }
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void DbiStreamBuilder::setPdbDllVersion(uint16_t V) { PdbDllVersion = V; }
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void DbiStreamBuilder::setPdbDllRbld(uint16_t R) { PdbDllRbld = R; }
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void DbiStreamBuilder::setFlags(uint16_t F) { Flags = F; }
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void DbiStreamBuilder::setMachineType(PDB_Machine M) { MachineType = M; }
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Expected<std::unique_ptr<DbiStream>> DbiStreamBuilder::build() {
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if (!VerHeader.hasValue())
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return make_error<RawError>(raw_error_code::unspecified,
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"Missing DBI Stream Version");
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auto DbiS = MappedBlockStream::createIndexedStream(StreamDBI, File);
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if (!DbiS)
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return DbiS.takeError();
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auto DS = std::move(*DbiS);
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DbiStream::HeaderInfo *H =
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static_cast<DbiStream::HeaderInfo *>(DS->getAllocator().Allocate(
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sizeof(DbiStream::HeaderInfo),
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llvm::AlignOf<DbiStream::HeaderInfo>::Alignment));
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H->VersionHeader = *VerHeader;
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H->VersionSignature = -1;
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H->Age = Age;
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H->BuildNumber = BuildNumber;
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H->Flags = Flags;
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H->PdbDllRbld = PdbDllRbld;
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H->PdbDllVersion = PdbDllVersion;
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H->MachineType = static_cast<uint16_t>(MachineType);
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H->ECSubstreamSize = 0;
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H->FileInfoSize = 0;
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H->ModiSubstreamSize = 0;
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H->OptionalDbgHdrSize = 0;
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H->SecContrSubstreamSize = 0;
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H->SectionMapSize = 0;
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H->TypeServerSize = 0;
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H->SymRecordStreamIndex = DbiStream::InvalidStreamIndex;
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H->PublicSymbolStreamIndex = DbiStream::InvalidStreamIndex;
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H->MFCTypeServerIndex = DbiStream::InvalidStreamIndex;
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H->GlobalSymbolStreamIndex = DbiStream::InvalidStreamIndex;
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auto Dbi = llvm::make_unique<DbiStream>(File, std::move(DS));
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Dbi->Header = H;
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return std::move(Dbi);
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}
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