1//===-- M68kELFTargetObjectFile.cpp - M68k Object Files ---------*- 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/// \file
10/// This file contains definitions for M68k ELF object file lowering.
11///
12//===----------------------------------------------------------------------===//
13
14#include "M68kTargetObjectFile.h"
15
16#include "M68kSubtarget.h"
17#include "M68kTargetMachine.h"
18
19#include "llvm/BinaryFormat/ELF.h"
20#include "llvm/IR/DataLayout.h"
21#include "llvm/IR/DerivedTypes.h"
22#include "llvm/IR/GlobalVariable.h"
23#include "llvm/MC/MCContext.h"
24#include "llvm/MC/MCSectionELF.h"
25#include "llvm/Support/CommandLine.h"
26#include "llvm/Target/TargetMachine.h"
27
28using namespace llvm;
29
30static cl::opt<unsigned> SSThreshold(
31 "m68k-ssection-threshold", cl::Hidden,
32 cl::desc("Small data and bss section threshold size (default=8)"),
33 cl::init(Val: 8));
34
35void M68kELFTargetObjectFile::Initialize(MCContext &Ctx,
36 const TargetMachine &TM) {
37 TargetLoweringObjectFileELF::Initialize(Ctx, TM);
38 InitializeELF(UseInitArray_: TM.Options.UseInitArray);
39
40 this->TM = &static_cast<const M68kTargetMachine &>(TM);
41
42 // FIXME do we need `.sdata` and `.sbss` explicitly?
43 SmallDataSection = getContext().getELFSection(
44 Section: ".sdata", Type: ELF::SHT_PROGBITS, Flags: ELF::SHF_WRITE | ELF::SHF_ALLOC);
45
46 SmallBSSSection = getContext().getELFSection(Section: ".sbss", Type: ELF::SHT_NOBITS,
47 Flags: ELF::SHF_WRITE | ELF::SHF_ALLOC);
48}
49

source code of llvm/lib/Target/M68k/M68kTargetObjectFile.cpp