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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29351 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
//===- PPCRelocations.h - PPC32 Code Relocations ----------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the PowerPC 32-bit target-specific relocation types.
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//
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//===----------------------------------------------------------------------===//
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#ifndef PPC32RELOCATIONS_H
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#define PPC32RELOCATIONS_H
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#include "llvm/CodeGen/MachineRelocation.h"
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// Hack to rid us of a PPC pre-processor symbol which is erroneously
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// defined in a PowerPC header file (bug in Linux/PPC)
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#ifdef PPC
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#undef PPC
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#endif
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namespace llvm {
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namespace PPC {
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enum RelocationType {
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// reloc_pcrel_bx - PC relative relocation, for the b or bl instructions.
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reloc_pcrel_bx,
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// reloc_pcrel_bcx - PC relative relocation, for BLT,BLE,BEQ,BGE,BGT,BNE,
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// and other bcx instructions.
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reloc_pcrel_bcx,
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// reloc_absolute_high - Absolute relocation, for the loadhi instruction
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// (which is really addis). Add the high 16-bits of the specified global
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// address into the low 16-bits of the instruction.
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reloc_absolute_high,
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// reloc_absolute_low - Absolute relocation, for the la instruction (which
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// is really an addi). Add the low 16-bits of the specified global
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// address into the low 16-bits of the instruction.
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reloc_absolute_low,
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// reloc_absolute_low_ix - Absolute relocation for the 64-bit load/store
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// instruction which have two implicit zero bits.
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reloc_absolute_low_ix,
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// reloc_absolute_ptr_high - Absolute relocation for references to lazy
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// pointer stubs. In this case, the relocated instruction should be
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// relocated to point to a POINTER to the indicated global. The low-16
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// bits of the instruction are rewritten with the high 16-bits of the
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// address of the pointer.
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reloc_absolute_ptr_high,
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// reloc_absolute_ptr_low - Absolute relocation for references to lazy
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// pointer stubs. In this case, the relocated instruction should be
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// relocated to point to a POINTER to the indicated global. The low-16
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// bits of the instruction are rewritten with the low 16-bits of the
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// address of the pointer.
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reloc_absolute_ptr_low
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};
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}
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}
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#endif
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