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43 lines
1.5 KiB
43 lines
1.5 KiB
//===-- RecordStreamer.h - Record asm defined and used symbols ---*- 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_LIB_OBJECT_RECORDSTREAMER_H
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#define LLVM_LIB_OBJECT_RECORDSTREAMER_H
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#include "llvm/MC/MCStreamer.h"
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namespace llvm {
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class RecordStreamer : public MCStreamer {
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public:
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enum State { NeverSeen, Global, GlobalWeak, Defined, DefinedGlobal, Used };
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private:
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StringMap<State> Symbols;
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void markDefined(const MCSymbol &Symbol);
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void markGlobal(const MCSymbol &Symbol, MCSymbolAttr Attribute);
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void markUsed(const MCSymbol &Symbol);
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void visitUsedSymbol(const MCSymbol &Sym) override;
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public:
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typedef StringMap<State>::const_iterator const_iterator;
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const_iterator begin();
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const_iterator end();
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RecordStreamer(MCContext &Context);
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void EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override;
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void EmitLabel(MCSymbol *Symbol) override;
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void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
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bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) 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 EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
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unsigned ByteAlignment) override;
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};
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}
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#endif
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