56 lines
1.9 KiB
C++
56 lines
1.9 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/PDB/Raw/ModInfo.h"
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#include "llvm/DebugInfo/PDB/Raw/RawError.h"
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#include "llvm/DebugInfo/PDB/Raw/StreamReader.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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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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if (auto EC = SymbolsSubstream.initialize(Reader, SymbolSize))
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return EC;
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if (auto EC = LinesSubstream.initialize(Reader, C11Size))
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return EC;
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if (auto EC = C13LinesSubstream.initialize(Reader, C13Size))
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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 = GlobalRefsSubstream.initialize(Reader, 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::SymbolIterator> ModStream::symbols() const {
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return codeview::makeSymbolRange(SymbolsSubstream.data().slice(4));
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}
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