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//===-- AVRTargetObjectFile.cpp - AVR Object Files ------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "AVRTargetObjectFile.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/Mangler.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSectionELF.h"
#include "AVR.h"
namespace llvm {
void AVRTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) {
Base::Initialize(Ctx, TM);
ProgmemDataSection =
Ctx.getELFSection(".progmem.data", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
}
MCSection *
AVRTargetObjectFile::SelectSectionForGlobal(const GlobalObject *GO,
SectionKind Kind,
const TargetMachine &TM) const {
// Global values in flash memory are placed in the progmem.data section
// unless they already have a user assigned section.
if (AVR::isProgramMemoryAddress(GO) && !GO->hasSection() && Kind.isReadOnly())
return ProgmemDataSection;
// Otherwise, we work the same way as ELF.
return Base::SelectSectionForGlobal(GO, Kind, TM);
}
} // end of namespace llvm
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