43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
//===-- RecordStreamer.h - Record asm defined and used symbols ---*- C++ -*===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_OBJECT_RECORDSTREAMER_H
|
|
#define LLVM_LIB_OBJECT_RECORDSTREAMER_H
|
|
|
|
#include "llvm/MC/MCStreamer.h"
|
|
|
|
namespace llvm {
|
|
class RecordStreamer : public MCStreamer {
|
|
public:
|
|
enum State { NeverSeen, Global, Defined, DefinedGlobal, Used };
|
|
|
|
private:
|
|
StringMap<State> Symbols;
|
|
void markDefined(const MCSymbol &Symbol);
|
|
void markGlobal(const MCSymbol &Symbol);
|
|
void markUsed(const MCSymbol &Symbol);
|
|
void visitUsedSymbol(const MCSymbol &Sym) override;
|
|
|
|
public:
|
|
typedef StringMap<State>::const_iterator const_iterator;
|
|
const_iterator begin();
|
|
const_iterator end();
|
|
RecordStreamer(MCContext &Context);
|
|
void EmitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override;
|
|
void EmitLabel(MCSymbol *Symbol) override;
|
|
void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) override;
|
|
bool EmitSymbolAttribute(MCSymbol *Symbol, MCSymbolAttr Attribute) override;
|
|
void EmitZerofill(const MCSection *Section, MCSymbol *Symbol, uint64_t Size,
|
|
unsigned ByteAlignment) override;
|
|
void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
|
|
unsigned ByteAlignment) override;
|
|
};
|
|
}
|
|
#endif
|