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1924b30c0e
- TargetMachine implementation for M68k - ISel, ISched for M68k - Other lowering (e.g. FrameLowering) - AsmPrinter Authors: myhsu, m4yers, glaubitz Differential Revision: https://reviews.llvm.org/D88391
49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
//===-- 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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}
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