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e538054e6d
Currently, if the assembler encounters an error after parsing (such as an out-of-range fixup), it reports this as a fatal error, and so stops after the first error. However, for most of these there is an obvious way to recover after emitting the error, such as emitting the fixup with a value of zero. This means that we can report on all of the errors in a file, not just the first one. MCContext::reportError records the fact that an error was encountered, so we won't actually emit an object file with the incorrect contents. Differential Revision: http://reviews.llvm.org/D14717 llvm-svn: 253328
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
//===- MCWinCOFFStreamer.h - COFF Object File Interface ---------*- 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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#ifndef LLVM_MC_MCWINCOFFSTREAMER_H
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#define LLVM_MC_MCWINCOFFSTREAMER_H
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#include "llvm/MC/MCDirectives.h"
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#include "llvm/MC/MCObjectStreamer.h"
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namespace llvm {
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class MCAsmBackend;
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class MCContext;
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class MCCodeEmitter;
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class MCExpr;
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class MCInst;
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class MCSection;
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class MCSubtargetInfo;
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class MCSymbol;
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class StringRef;
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class raw_ostream;
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class raw_pwrite_stream;
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class MCWinCOFFStreamer : public MCObjectStreamer {
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public:
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MCWinCOFFStreamer(MCContext &Context, MCAsmBackend &MAB, MCCodeEmitter &CE,
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raw_pwrite_stream &OS);
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/// state management
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void reset() override {
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CurSymbol = nullptr;
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MCObjectStreamer::reset();
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}
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/// \name MCStreamer interface
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/// \{
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void InitSections(bool NoExecStack) override;
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void EmitLabel(MCSymbol *Symbol) override;
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void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
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void EmitThumbFunc(MCSymbol *Func) override;
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bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
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void EmitSymbolDesc(MCSymbol *Symbol, unsigned DescValue) override;
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void BeginCOFFSymbolDef(MCSymbol const *Symbol) override;
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void EmitCOFFSymbolStorageClass(int StorageClass) override;
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void EmitCOFFSymbolType(int Type) override;
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void EndCOFFSymbolDef() override;
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void EmitCOFFSafeSEH(MCSymbol const *Symbol) override;
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void EmitCOFFSectionIndex(MCSymbol const *Symbol) override;
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void EmitCOFFSecRel32(MCSymbol const *Symbol) override;
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void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
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unsigned ByteAlignment) override;
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void EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size,
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unsigned ByteAlignment) override;
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void EmitZerofill(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
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unsigned ByteAlignment) override;
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void EmitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
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unsigned ByteAlignment) override;
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void EmitFileDirective(StringRef Filename) override;
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void EmitIdent(StringRef IdentString) override;
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void EmitWinEHHandlerData() override;
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void FinishImpl() override;
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/// \}
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protected:
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const MCSymbol *CurSymbol;
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void EmitInstToData(const MCInst &Inst, const MCSubtargetInfo &STI) override;
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private:
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void Error(const Twine &Msg) const;
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};
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}
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#endif
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