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56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
//===-- PPCMachOWriterInfo.h - Mach-O Writer Info for PowerPC ---*- C++ -*-===//
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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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//
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// This file implements Mach-O writer information for the PowerPC backend.
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//
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//===----------------------------------------------------------------------===//
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#ifndef PPC_MACHO_WRITER_INFO_H
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#define PPC_MACHO_WRITER_INFO_H
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#include "llvm/Target/TargetMachOWriterInfo.h"
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namespace llvm {
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// Forward declarations
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class MachineRelocation;
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class OutputBuffer;
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class PPCTargetMachine;
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class PPCMachOWriterInfo : public TargetMachOWriterInfo {
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public:
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PPCMachOWriterInfo(const PPCTargetMachine &TM);
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virtual ~PPCMachOWriterInfo();
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virtual unsigned GetTargetRelocation(MachineRelocation &MR,
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unsigned FromIdx,
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unsigned ToAddr,
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unsigned ToIdx,
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OutputBuffer &RelocOut,
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OutputBuffer &SecOut,
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bool Scattered, bool Extern) const;
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// Constants for the relocation r_type field.
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// See <mach-o/ppc/reloc.h>
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enum {
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PPC_RELOC_VANILLA, // generic relocation
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PPC_RELOC_PAIR, // the second relocation entry of a pair
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PPC_RELOC_BR14, // 14 bit branch displacement to word address
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PPC_RELOC_BR24, // 24 bit branch displacement to word address
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PPC_RELOC_HI16, // a PAIR follows with the low 16 bits
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PPC_RELOC_LO16, // a PAIR follows with the high 16 bits
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PPC_RELOC_HA16, // a PAIR follows, which is sign extended to 32b
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PPC_RELOC_LO14 // LO16 with low 2 bits implicitly zero
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};
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};
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} // end llvm namespace
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#endif // PPC_MACHO_WRITER_INFO_H
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