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
60