LLVM 17.0.0git
RISCVTargetObjectFile.h
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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
13
14namespace llvm {
15
16/// This implementation is used for RISC-V ELF targets.
18 MCSection *SmallDataSection;
19 MCSection *SmallBSSSection;
20 unsigned SSThreshold = 8;
21
22public:
23 unsigned getTextSectionAlignment() const override;
24
25 void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
26
27 /// Return true if this global address should be placed into small data/bss
28 /// section.
30 const TargetMachine &TM) const;
31
33 const TargetMachine &TM) const override;
34
35 /// Return true if this constant should be placed into small data section.
36 bool isConstantInSmallSection(const DataLayout &DL, const Constant *CN) const;
37
39 const Constant *C,
40 Align &Alignment) const override;
41
42 void getModuleMetadata(Module &M) override;
43
44 bool isInSmallSection(uint64_t Size) const;
45};
46
47} // end namespace llvm
48
49#endif
MachineBasicBlock MachineBasicBlock::iterator DebugLoc DL
uint64_t Size
This is an important base class in LLVM.
Definition: Constant.h:41
A parsed version of the target data layout string in and methods for querying it.
Definition: DataLayout.h:110
Context object for machine code objects.
Definition: MCContext.h:76
Instances of this class represent a uniqued identifier for a section in the current translation unit.
Definition: MCSection.h:39
A Module instance is used to store all the information related to an LLVM module.
Definition: Module.h:65
This implementation is used for RISC-V ELF targets.
bool isGlobalInSmallSection(const GlobalObject *GO, const TargetMachine &TM) const
Return true if this global address should be placed into small data/bss section.
MCSection * SelectSectionForGlobal(const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const override
void getModuleMetadata(Module &M) override
Get the module-level metadata that the platform cares about.
MCSection * getSectionForConstant(const DataLayout &DL, SectionKind Kind, const Constant *C, Align &Alignment) const override
Given a constant with the SectionKind, return a section that it should be placed in.
bool isInSmallSection(uint64_t Size) const
void Initialize(MCContext &Ctx, const TargetMachine &TM) override
This method must be called before any actual lowering is done.
unsigned getTextSectionAlignment() const override
bool isConstantInSmallSection(const DataLayout &DL, const Constant *CN) const
Return true if this constant should be placed into small data section.
SectionKind - This is a simple POD value that classifies the properties of a section.
Definition: SectionKind.h:22
Primary interface to the complete machine description for the target machine.
Definition: TargetMachine.h:78
@ C
The default llvm calling convention, compatible with C.
Definition: CallingConv.h:34
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
This struct is a compact representation of a valid (non-zero power of two) alignment.
Definition: Alignment.h:39