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//===-- M68kELFTargetObjectFile.cpp - M68k Object Files -----*- C++ -*-===// |
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// |
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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// See https://llvm.org/LICENSE.txt for license information. |
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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// |
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//===----------------------------------------------------------------------===// |
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/// |
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/// \file |
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/// This file contains definitions for M68k ELF object file lowering. |
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/// |
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//===----------------------------------------------------------------------===// |
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#include "M68kTargetObjectFile.h" |
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#include "M68kSubtarget.h" |
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#include "M68kTargetMachine.h" |
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#include "llvm/BinaryFormat/ELF.h" |
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#include "llvm/IR/DataLayout.h" |
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#include "llvm/IR/DerivedTypes.h" |
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#include "llvm/IR/GlobalVariable.h" |
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#include "llvm/MC/MCContext.h" |
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#include "llvm/MC/MCSectionELF.h" |
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#include "llvm/Support/CommandLine.h" |
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#include "llvm/Target/TargetMachine.h" |
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using namespace llvm; |
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static cl::opt<unsigned> SSThreshold( |
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"m68k-ssection-threshold", cl::Hidden, |
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cl::desc("Small data and bss section threshold size (default=8)"), |
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cl::init(8)); |
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void M68kELFTargetObjectFile::Initialize(MCContext &Ctx, |
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const TargetMachine &TM) { |
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TargetLoweringObjectFileELF::Initialize(Ctx, TM); |
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InitializeELF(TM.Options.UseInitArray); |
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this->TM = &static_cast<const M68kTargetMachine &>(TM); |
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// FIXME do we need `.sdata` and `.sbss` explicitly? |
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SmallDataSection = getContext().getELFSection( |
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".sdata", ELF::SHT_PROGBITS, ELF::SHF_WRITE | ELF::SHF_ALLOC); |
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SmallBSSSection = getContext().getELFSection(".sbss", ELF::SHT_NOBITS, |
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ELF::SHF_WRITE | ELF::SHF_ALLOC); |
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} |