forked from OSchip/llvm-project
41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
//===-- AVRTargetObjectFile.cpp - AVR Object Files ------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "AVRTargetObjectFile.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/GlobalValue.h"
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#include "llvm/IR/Mangler.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/ELF.h"
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#include "AVR.h"
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namespace llvm {
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void AVRTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) {
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Base::Initialize(Ctx, TM);
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ProgmemDataSection =
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Ctx.getELFSection(".progmem.data", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
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}
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MCSection *
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AVRTargetObjectFile::SelectSectionForGlobal(const GlobalValue *GV,
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SectionKind Kind, Mangler &Mang,
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const TargetMachine &TM) const {
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// Global values in flash memory are placed in the progmem.data section
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// unless they already have a user assigned section.
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if (AVR::isProgramMemoryAddress(GV) && !GV->hasSection())
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return ProgmemDataSection;
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// Otherwise, we work the same way as ELF.
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return Base::SelectSectionForGlobal(GV, Kind, Mang, TM);
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}
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} // end of namespace llvm
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