7eb6d358af
This first pass only splits apart the records and dumps the line info kinds and binary data. Subsequent patches will parse out the binary data into more useful information and dump it in detail. llvm-svn: 271576
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
//===- ModStream.cpp - PDB Module Info Stream Access ----------------------===//
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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/ModStream.h"
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#include "llvm/DebugInfo/CodeView/StreamReader.h"
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#include "llvm/DebugInfo/PDB/Raw/ModInfo.h"
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#include "llvm/DebugInfo/PDB/Raw/PDBFile.h"
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#include "llvm/DebugInfo/PDB/Raw/RawError.h"
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#include "llvm/DebugInfo/PDB/Raw/RawTypes.h"
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using namespace llvm;
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using namespace llvm::pdb;
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ModStream::ModStream(PDBFile &File, const ModInfo &Module)
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: Mod(Module), Stream(Module.getModuleStreamIndex(), File) {}
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ModStream::~ModStream() {}
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Error ModStream::reload() {
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codeview::StreamReader Reader(Stream);
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uint32_t SymbolSize = Mod.getSymbolDebugInfoByteSize();
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uint32_t C11Size = Mod.getLineInfoByteSize();
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uint32_t C13Size = Mod.getC13LineInfoByteSize();
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if (C11Size > 0 && C13Size > 0)
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return llvm::make_error<RawError>(raw_error_code::corrupt_file,
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"Module has both C11 and C13 line info");
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codeview::StreamRef S;
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uint32_t SymbolSubstreamSig = 0;
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if (auto EC = Reader.readInteger(SymbolSubstreamSig))
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return EC;
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if (auto EC = Reader.readArray(SymbolsSubstream, SymbolSize - 4))
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return EC;
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if (auto EC = Reader.readStreamRef(LinesSubstream, C11Size))
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return EC;
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if (auto EC = Reader.readStreamRef(C13LinesSubstream, C13Size))
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return EC;
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codeview::StreamReader LineReader(C13LinesSubstream);
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if (auto EC = LineReader.readArray(LineInfo, LineReader.bytesRemaining()))
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return EC;
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uint32_t GlobalRefsSize;
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if (auto EC = Reader.readInteger(GlobalRefsSize))
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return EC;
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if (auto EC = Reader.readStreamRef(GlobalRefsSubstream, GlobalRefsSize))
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return EC;
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if (Reader.bytesRemaining() > 0)
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return llvm::make_error<RawError>(raw_error_code::corrupt_file,
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"Unexpected bytes in module stream.");
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return Error::success();
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}
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iterator_range<codeview::CVSymbolArray::Iterator>
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ModStream::symbols(bool *HadError) const {
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return llvm::make_range(SymbolsSubstream.begin(HadError),
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SymbolsSubstream.end());
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}
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iterator_range<ModStream::LineInfoArray::Iterator>
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ModStream::lines(bool *HadError) const {
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return llvm::make_range(LineInfo.begin(HadError), LineInfo.end());
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}
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