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f727ae92f5
A SMLoc allows MCStreamer to report location-aware diagnostics, which
were previously done by adding SMLoc to various methods (e.g. emit*) in an ad-hoc way.
Since the file:line is most important, the column is less important and
the start token location suffices in many cases, this patch reverts
b7e7131af2dd7bdb03fa42a3bc1b4bc72ab95ce1
```
// old
symbol-binding-changed.s:6:8: error: local changed binding to STB_GLOBAL
.globl local
^
// new
symbol-binding-changed.s:6:1: error: local changed binding to STB_GLOBAL
.globl local
^
```
Reviewed By: rnk
Differential Revision: https://reviews.llvm.org/D90511
89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
//===- MCWinCOFFStreamer.h - COFF Object File Interface ---------*- C++ -*-===//
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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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#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 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_pwrite_stream;
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class MCWinCOFFStreamer : public MCObjectStreamer {
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public:
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MCWinCOFFStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> MAB,
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std::unique_ptr<MCCodeEmitter> CE,
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std::unique_ptr<MCObjectWriter> OW);
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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, SMLoc Loc = SMLoc()) 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 EmitCOFFSymbolIndex(MCSymbol const *Symbol) override;
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void EmitCOFFSectionIndex(MCSymbol const *Symbol) override;
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void EmitCOFFSecRel32(MCSymbol const *Symbol, uint64_t Offset) override;
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void EmitCOFFImgRel32(MCSymbol const *Symbol, int64_t Offset) 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 emitWeakReference(MCSymbol *Alias, const MCSymbol *Symbol) override;
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void emitZerofill(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
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unsigned ByteAlignment, SMLoc Loc = SMLoc()) 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 emitIdent(StringRef IdentString) override;
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void EmitWinEHHandlerData(SMLoc Loc) override;
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void emitCGProfileEntry(const MCSymbolRefExpr *From,
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const MCSymbolRefExpr *To, uint64_t Count) 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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void finalizeCGProfileEntry(const MCSymbolRefExpr *&S);
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void finalizeCGProfile();
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private:
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void Error(const Twine &Msg) const;
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};
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} // end namespace llvm
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#endif // LLVM_MC_MCWINCOFFSTREAMER_H
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