PPCRelocations.h revision 5efb75daed48edfeb03ba62f3f0afe81b86f5d7f 
1//===- PPC32Relocations.h - PPC32 Code Relocations --------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file was developed by the LLVM research group and is distributed under
6// the University of Illinois Open Source License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines the PowerPC 32-bit target-specific relocation types.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef PPC32RELOCATIONS_H
15#define PPC32RELOCATIONS_H
16
17#include "llvm/CodeGen/MachineRelocation.h"
18
19namespace llvm {
20  namespace PPC {
21    enum RelocationType {
22      // reloc_pcrel_bx - PC relative relocation, for the b or bl instructions.
23      reloc_pcrel_bx,
24
25      // reloc_absolute_high - Absolute relocation, for the loadhi instruction
26      // (which is really addis).  Add the high 16-bits of the specified global
27      // address into the low 16-bits of the instruction.
28      reloc_absolute_high,
29
30      // reloc_absolute_low - Absolute relocation, for the la instruction (which
31      // is really an addi).  Add the low 16-bits of teh specified global
32      // address into the low 16-bits of the instruction.
33      reloc_absolute_low,
34
35      // reloc_absolute_ptr_high - Absolute relocation for references to lazy
36      // pointer stubs.  In this case, the relocated instruction should be
37      // relocated to point to a POINTER to the indicated global.  The low-16
38      // bits of the instruction are rewritten with the high 16-bits of the
39      // address of the pointer.
40      reloc_absolute_ptr_high,
41
42      // reloc_absolute_ptr_low - Absolute relocation for references to lazy
43      // pointer stubs.  In this case, the relocated instruction should be
44      // relocated to point to a POINTER to the indicated global.  The low-16
45      // bits of the instruction are rewritten with the low 16-bits of the
46      // address of the pointer.
47      reloc_absolute_ptr_low,
48    };
49  }
50}
51
52#endif
53