Chris Lattner | 42edd31 | 2004-11-23 05:57:38 +0000 | [diff] [blame] | 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 | |
| 19 | namespace 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 | |
Chris Lattner | 5efb75d | 2004-11-24 22:30:08 +0000 | [diff] [blame^] | 25 | // reloc_absolute_high - Absolute relocation, for the loadhi instruction |
Chris Lattner | 42edd31 | 2004-11-23 05:57:38 +0000 | [diff] [blame] | 26 | // (which is really addis). Add the high 16-bits of the specified global |
Chris Lattner | 5efb75d | 2004-11-24 22:30:08 +0000 | [diff] [blame^] | 27 | // address into the low 16-bits of the instruction. |
| 28 | reloc_absolute_high, |
Chris Lattner | 42edd31 | 2004-11-23 05:57:38 +0000 | [diff] [blame] | 29 | |
Chris Lattner | 5efb75d | 2004-11-24 22:30:08 +0000 | [diff] [blame^] | 30 | // reloc_absolute_low - Absolute relocation, for the la instruction (which |
Chris Lattner | 42edd31 | 2004-11-23 05:57:38 +0000 | [diff] [blame] | 31 | // is really an addi). Add the low 16-bits of teh specified global |
Chris Lattner | 5efb75d | 2004-11-24 22:30:08 +0000 | [diff] [blame^] | 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, |
Chris Lattner | 42edd31 | 2004-11-23 05:57:38 +0000 | [diff] [blame] | 48 | }; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | #endif |