1//===-- RISCVTargetObjectFile.h - RISC-V Object Info ------------*- C++ -*-===//
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_RISCV_RISCVTARGETOBJECTFILE_H
10#define LLVM_LIB_TARGET_RISCV_RISCVTARGETOBJECTFILE_H
11
12#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
13
14namespace llvm {
15
16/// This implementation is used for RISC-V ELF targets.
17class RISCVELFTargetObjectFile : public TargetLoweringObjectFileELF {
18 MCSection *SmallDataSection;
19 MCSection *SmallRODataSection;
20 MCSection *SmallROData4Section;
21 MCSection *SmallROData8Section;
22 MCSection *SmallROData16Section;
23 MCSection *SmallROData32Section;
24 MCSection *SmallBSSSection;
25 unsigned SSThreshold = 0;
26
27public:
28 unsigned getTextSectionAlignment() const override;
29
30 void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
31
32 /// Return true if this global address should be placed into small data/bss
33 /// section.
34 bool isGlobalInSmallSection(const GlobalObject *GO,
35 const TargetMachine &TM) const;
36
37 MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
38 const TargetMachine &TM) const override;
39
40 /// Return true if this constant should be placed into small data section.
41 bool isConstantInSmallSection(const DataLayout &DL, const Constant *CN) const;
42
43 MCSection *getSectionForConstant(const DataLayout &DL, SectionKind Kind,
44 const Constant *C,
45 Align &Alignment) const override;
46
47 void getModuleMetadata(Module &M) override;
48
49 bool isInSmallSection(uint64_t Size) const;
50
51 const MCExpr *getIndirectSymViaGOTPCRel(const GlobalValue *GV,
52 const MCSymbol *Sym,
53 const MCValue &MV, int64_t Offset,
54 MachineModuleInfo *MMI,
55 MCStreamer &Streamer) const override;
56};
57
58} // end namespace llvm
59
60#endif
61