lib/Target/Hexagon/HexagonTargetObjectFile.h

   1 //===-- HexagonTargetObjectFile.h -----------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETOBJECTFILE_H
  10 #define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETOBJECTFILE_H
  11
  12 #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
  13 #include "llvm/MC/MCSectionELF.h"
  14
  15 namespace llvm {
  16
  17   class HexagonTargetObjectFile : public TargetLoweringObjectFileELF {
  18   public:
  19     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
  20
  21     MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
  22                                       const TargetMachine &TM) const override;
  23
  24     MCSection *getExplicitSectionGlobal(const GlobalObject *GO,
  25                                         SectionKind Kind,
  26                                         const TargetMachine &TM) const override;
  27
  28     bool isGlobalInSmallSection(const GlobalObject *GO,
  29                                 const TargetMachine &TM) const;
  30
  31     bool isSmallDataEnabled(const TargetMachine &TM) const;
  32
  33     unsigned getSmallDataSize() const;
  34
  35     bool shouldPutJumpTableInFunctionSection(bool UsesLabelDifference,
  36                                              const Function &F) const override;
  37
  38     const Function *getLutUsedFunction(const GlobalObject *GO) const;
  39
  40   private:
  41     MCSectionELF *SmallDataSection;
  42     MCSectionELF *SmallBSSSection;
  43
  44     unsigned getSmallestAddressableSize(const Type *Ty, const GlobalValue *GV,
  45         const TargetMachine &TM) const;
  46
  47     MCSection *selectSmallSectionForGlobal(const GlobalObject *GO,
  48                                            SectionKind Kind,
  49                                            const TargetMachine &TM) const;
  50
  51     MCSection *selectSectionForLookupTable(const GlobalObject *GO,
  52                                            const TargetMachine &TM,
  53                                            const Function *Fn) const;
  54   };
  55
  56 } // namespace llvm
  57
  58 #endif