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llvm-mirror/lib/Target/Hexagon/HexagonTargetObjectFile.h
Sumanth Gundapaneni 25ac5e3713 [Hexagon] Emit jump tables in text section based on a flag
This patch adds a new LLVM flag -hexagon-emit-jt-text which is defaulted to 
"false". The value "true" emits the switch generated jump tables in text section.
Differential Revision: https://reviews.llvm.org/D34820

llvm-svn: 306872
2017-06-30 20:21:48 +00:00

54 lines
1.8 KiB
C++

//===-- HexagonTargetObjectFile.h -----------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETOBJECTFILE_H
#define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETOBJECTFILE_H
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/MC/MCSectionELF.h"
namespace llvm {
class HexagonTargetObjectFile : public TargetLoweringObjectFileELF {
public:
void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
const TargetMachine &TM) const override;
MCSection *getExplicitSectionGlobal(const GlobalObject *GO,
SectionKind Kind,
const TargetMachine &TM) const override;
bool isGlobalInSmallSection(const GlobalObject *GO,
const TargetMachine &TM) const;
bool isSmallDataEnabled() const;
unsigned getSmallDataSize() const;
bool shouldPutJumpTableInFunctionSection(bool UsesLabelDifference,
const Function &F) const override;
private:
MCSectionELF *SmallDataSection;
MCSectionELF *SmallBSSSection;
unsigned getSmallestAddressableSize(const Type *Ty, const GlobalValue *GV,
const TargetMachine &TM) const;
MCSection *selectSmallSectionForGlobal(const GlobalObject *GO,
SectionKind Kind,
const TargetMachine &TM) const;
};
} // namespace llvm
#endif