llvm/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   class Type;
  17
  18   class HexagonTargetObjectFile : public TargetLoweringObjectFileELF {
  19   public:
  20     void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
  21
  22     MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
  23                                       const TargetMachine &TM) const override;
  24
  25     MCSection *getExplicitSectionGlobal(const GlobalObject *GO,
  26                                         SectionKind Kind,
  27                                         const TargetMachine &TM) const override;
  28
  29     bool isGlobalInSmallSection(const GlobalObject *GO,
  30                                 const TargetMachine &TM) const;
  31
  32     bool isSmallDataEnabled(const TargetMachine &TM) const;
  33
  34     unsigned getSmallDataSize() const;
  35
  36     bool shouldPutJumpTableInFunctionSection(bool UsesLabelDifference,
  37                                              const Function &F) const override;
  38
  39     const Function *getLutUsedFunction(const GlobalObject *GO) const;
  40
  41   private:
  42     MCSectionELF *SmallDataSection;
  43     MCSectionELF *SmallBSSSection;
  44
  45     unsigned getSmallestAddressableSize(const Type *Ty, const GlobalValue *GV,
  46         const TargetMachine &TM) const;
  47
  48     MCSection *selectSmallSectionForGlobal(const GlobalObject *GO,
  49                                            SectionKind Kind,
  50                                            const TargetMachine &TM) const;
  51
  52     MCSection *selectSectionForLookupTable(const GlobalObject *GO,
  53                                            const TargetMachine &TM,
  54                                            const Function *Fn) const;
  55   };
  56
  57 } // namespace llvm
  58
  59 #endif