1*fe6060f1SDimitry Andric //===-- M68kELFTargetObjectFile.cpp - M68k Object Files -----*- C++ -*-===// 2*fe6060f1SDimitry Andric // 3*fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*fe6060f1SDimitry Andric // 7*fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 8*fe6060f1SDimitry Andric /// 9*fe6060f1SDimitry Andric /// \file 10*fe6060f1SDimitry Andric /// This file contains definitions for M68k ELF object file lowering. 11*fe6060f1SDimitry Andric /// 12*fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 13*fe6060f1SDimitry Andric 14*fe6060f1SDimitry Andric #include "M68kTargetObjectFile.h" 15*fe6060f1SDimitry Andric 16*fe6060f1SDimitry Andric #include "M68kSubtarget.h" 17*fe6060f1SDimitry Andric #include "M68kTargetMachine.h" 18*fe6060f1SDimitry Andric 19*fe6060f1SDimitry Andric #include "llvm/BinaryFormat/ELF.h" 20*fe6060f1SDimitry Andric #include "llvm/IR/DataLayout.h" 21*fe6060f1SDimitry Andric #include "llvm/IR/DerivedTypes.h" 22*fe6060f1SDimitry Andric #include "llvm/IR/GlobalVariable.h" 23*fe6060f1SDimitry Andric #include "llvm/MC/MCContext.h" 24*fe6060f1SDimitry Andric #include "llvm/MC/MCSectionELF.h" 25*fe6060f1SDimitry Andric #include "llvm/Support/CommandLine.h" 26*fe6060f1SDimitry Andric #include "llvm/Target/TargetMachine.h" 27*fe6060f1SDimitry Andric 28*fe6060f1SDimitry Andric using namespace llvm; 29*fe6060f1SDimitry Andric 30*fe6060f1SDimitry Andric static cl::opt<unsigned> SSThreshold( 31*fe6060f1SDimitry Andric "m68k-ssection-threshold", cl::Hidden, 32*fe6060f1SDimitry Andric cl::desc("Small data and bss section threshold size (default=8)"), 33*fe6060f1SDimitry Andric cl::init(8)); 34*fe6060f1SDimitry Andric 35*fe6060f1SDimitry Andric void M68kELFTargetObjectFile::Initialize(MCContext &Ctx, 36*fe6060f1SDimitry Andric const TargetMachine &TM) { 37*fe6060f1SDimitry Andric TargetLoweringObjectFileELF::Initialize(Ctx, TM); 38*fe6060f1SDimitry Andric InitializeELF(TM.Options.UseInitArray); 39*fe6060f1SDimitry Andric 40*fe6060f1SDimitry Andric this->TM = &static_cast<const M68kTargetMachine &>(TM); 41*fe6060f1SDimitry Andric 42*fe6060f1SDimitry Andric // FIXME do we need `.sdata` and `.sbss` explicitly? 43*fe6060f1SDimitry Andric SmallDataSection = getContext().getELFSection( 44*fe6060f1SDimitry Andric ".sdata", ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC); 45*fe6060f1SDimitry Andric 46*fe6060f1SDimitry Andric SmallBSSSection = getContext().getELFSection(".sbss", ELF::SHT_NOBITS, 47*fe6060f1SDimitry Andric ELF::SHF_WRITE | ELF::SHF_ALLOC); 48*fe6060f1SDimitry Andric } 49