| //===-- M68kELFTargetObjectFile.cpp - M68k Object Files -----*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// This file contains definitions for M68k ELF object file lowering. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #include "M68kTargetObjectFile.h" |
| |
| #include "M68kSubtarget.h" |
| #include "M68kTargetMachine.h" |
| |
| #include "llvm/BinaryFormat/ELF.h" |
| #include "llvm/IR/DataLayout.h" |
| #include "llvm/IR/DerivedTypes.h" |
| #include "llvm/IR/GlobalVariable.h" |
| #include "llvm/MC/MCContext.h" |
| #include "llvm/MC/MCSectionELF.h" |
| #include "llvm/Support/CommandLine.h" |
| #include "llvm/Target/TargetMachine.h" |
| |
| using namespace llvm; |
| |
| static cl::opt<unsigned> SSThreshold( |
| "m68k-ssection-threshold", cl::Hidden, |
| cl::desc("Small data and bss section threshold size (default=8)"), |
| cl::init(8)); |
| |
| void M68kELFTargetObjectFile::Initialize(MCContext &Ctx, |
| const TargetMachine &TM) { |
| TargetLoweringObjectFileELF::Initialize(Ctx, TM); |
| InitializeELF(TM.Options.UseInitArray); |
| |
| this->TM = &static_cast<const M68kTargetMachine &>(TM); |
| |
| // FIXME do we need `.sdata` and `.sbss` explicitly? |
| SmallDataSection = getContext().getELFSection( |
| ".sdata", ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC); |
| |
| SmallBSSSection = getContext().getELFSection(".sbss", ELF::SHT_NOBITS, |
| ELF::SHF_WRITE | ELF::SHF_ALLOC); |
| } |