llvm-6502/lib/Target/ARM/ARMELFWriterInfo.h
Rafael Espindola fd9493d74e Odd additional stub framework for the ARM MC ELF emission.
llc now recognizes the "intent" to support MC/obj emission for ARM, but
given that they are all stubs, it asserts on --filetype=obj --march=arm

Patch by Jason Kim.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114856 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-27 18:31:37 +00:00

67 lines
2.4 KiB
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//===-- ARMELFWriterInfo.h - ELF Writer Info for ARM ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements ELF writer information for the ARM backend.
//
//===----------------------------------------------------------------------===//
#ifndef ARM_ELF_WRITER_INFO_H
#define ARM_ELF_WRITER_INFO_H
#include "llvm/Target/TargetELFWriterInfo.h"
namespace llvm {
class ARMELFWriterInfo : public TargetELFWriterInfo {
// ELF Relocation types for ARM
// FIXME: TODO(jasonwkim): [2010/09/17 14:52:25 PDT (Friday)]
// Come up with a better way to orgnize the 100+ ARM reloc types.
enum ARMRelocationType {
};
public:
ARMELFWriterInfo(TargetMachine &TM);
virtual ~ARMELFWriterInfo();
/// getRelocationType - Returns the target specific ELF Relocation type.
/// 'MachineRelTy' contains the object code independent relocation type
virtual unsigned getRelocationType(unsigned MachineRelTy) const;
/// hasRelocationAddend - True if the target uses an addend in the
/// ELF relocation entry.
virtual bool hasRelocationAddend() const { return false; }
/// getDefaultAddendForRelTy - Gets the default addend value for a
/// relocation entry based on the target ELF relocation type.
virtual long int getDefaultAddendForRelTy(unsigned RelTy,
long int Modifier = 0) const;
/// getRelTySize - Returns the size of relocatable field in bits
virtual unsigned getRelocationTySize(unsigned RelTy) const;
/// isPCRelativeRel - True if the relocation type is pc relative
virtual bool isPCRelativeRel(unsigned RelTy) const;
/// getJumpTableRelocationTy - Returns the machine relocation type used
/// to reference a jumptable.
virtual unsigned getAbsoluteLabelMachineRelTy() const;
/// computeRelocation - Some relocatable fields could be relocated
/// directly, avoiding the relocation symbol emission, compute the
/// final relocation value for this symbol.
virtual long int computeRelocation(unsigned SymOffset, unsigned RelOffset,
unsigned RelTy) const;
};
} // end llvm namespace
#endif // ARM_ELF_WRITER_INFO_H