1 //===-- AVRTargetObjectFile.cpp - AVR Object Files ------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "AVRTargetObjectFile.h" 11 12 #include "llvm/BinaryFormat/ELF.h" 13 #include "llvm/IR/DerivedTypes.h" 14 #include "llvm/IR/GlobalValue.h" 15 #include "llvm/IR/Mangler.h" 16 #include "llvm/MC/MCContext.h" 17 #include "llvm/MC/MCSectionELF.h" 18 19 #include "AVR.h" 20 21 namespace llvm { 22 void AVRTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) { 23 Base::Initialize(Ctx, TM); 24 ProgmemDataSection = 25 Ctx.getELFSection(".progmem.data", ELF::SHT_PROGBITS, ELF::SHF_ALLOC); 26 } 27 28 MCSection * 29 AVRTargetObjectFile::SelectSectionForGlobal(const GlobalObject *GO, 30 SectionKind Kind, 31 const TargetMachine &TM) const { 32 // Global values in flash memory are placed in the progmem.data section 33 // unless they already have a user assigned section. 34 if (AVR::isProgramMemoryAddress(GO) && !GO->hasSection()) 35 return ProgmemDataSection; 36 37 // Otherwise, we work the same way as ELF. 38 return Base::SelectSectionForGlobal(GO, Kind, TM); 39 } 40 } // end of namespace llvm 41 42
