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
15namespace 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