1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
//===-- RISCVTargetObjectFile.h - RISCV Object Info -*- C++ ---------*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_RISCV_RISCVTARGETOBJECTFILE_H
#define LLVM_LIB_TARGET_RISCV_RISCVTARGETOBJECTFILE_H
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
namespace llvm {
class RISCVTargetMachine;
/// This implementation is used for RISCV ELF targets.
class RISCVELFTargetObjectFile : public TargetLoweringObjectFileELF {
MCSection *SmallDataSection;
MCSection *SmallBSSSection;
unsigned SSThreshold = 8;
public:
void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
/// Return true if this global address should be placed into small data/bss
/// section.
bool isGlobalInSmallSection(const GlobalObject *GO,
const TargetMachine &TM) const;
MCSection *SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind,
const TargetMachine &TM) const override;
/// Return true if this constant should be placed into small data section.
bool isConstantInSmallSection(const DataLayout &DL, const Constant *CN) const;
MCSection *getSectionForConstant(const DataLayout &DL, SectionKind Kind,
const Constant *C,
unsigned &Align) const override;
void getModuleMetadata(Module &M) override;
bool isInSmallSection(uint64_t Size) const;
};
} // end namespace llvm
#endif
|
