1//===-- AVRTargetObjectFile.cpp - AVR Object Files ------------------------===// 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#include "AVRTargetObjectFile.h" 10 11#include "llvm/BinaryFormat/ELF.h" 12#include "llvm/IR/DerivedTypes.h" 13#include "llvm/IR/GlobalValue.h" 14#include "llvm/IR/Mangler.h" 15#include "llvm/MC/MCContext.h" 16#include "llvm/MC/MCSectionELF.h" 17 18#include "AVR.h" 19 20namespace llvm { 21void AVRTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) { 22 Base::Initialize(Ctx, TM); 23 ProgmemDataSection = 24 Ctx.getELFSection(".progmem.data", ELF::SHT_PROGBITS, ELF::SHF_ALLOC); 25} 26 27MCSection * 28AVRTargetObjectFile::SelectSectionForGlobal(const GlobalObject *GO, 29 SectionKind Kind, 30 const TargetMachine &TM) const { 31 // Global values in flash memory are placed in the progmem.data section 32 // unless they already have a user assigned section. 33 if (AVR::isProgramMemoryAddress(GO) && !GO->hasSection()) 34 return ProgmemDataSection; 35 36 // Otherwise, we work the same way as ELF. 37 return Base::SelectSectionForGlobal(GO, Kind, TM); 38} 39} // end of namespace llvm 40 41