1 //===- PPCRelocations.h - PPC32 Code Relocations ----------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
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.
8 //===----------------------------------------------------------------------===//
10 // This file defines the PowerPC 32-bit target-specific relocation types.
12 //===----------------------------------------------------------------------===//
14 #ifndef PPC32RELOCATIONS_H
15 #define PPC32RELOCATIONS_H
17 #include "llvm/CodeGen/MachineRelocation.h"
19 // Hack to rid us of a PPC pre-processor symbol which is erroneously
20 // defined in a PowerPC header file (bug in Linux/PPC)
28 // reloc_pcrel_bx - PC relative relocation, for the b or bl instructions.
31 // reloc_pcrel_bcx - PC relative relocation, for BLT,BLE,BEQ,BGE,BGT,BNE,
32 // and other bcx instructions.
35 // reloc_absolute_high - Absolute relocation, for the loadhi instruction
36 // (which is really addis). Add the high 16-bits of the specified global
37 // address into the low 16-bits of the instruction.
40 // reloc_absolute_low - Absolute relocation, for the la instruction (which
41 // is really an addi). Add the low 16-bits of the specified global
42 // address into the low 16-bits of the instruction.
45 // reloc_absolute_low_ix - Absolute relocation for the 64-bit load/store
46 // instruction which have two implicit zero bits.
47 reloc_absolute_low_ix,
49 // reloc_absolute_ptr_high - Absolute relocation for references to lazy
50 // pointer stubs. In this case, the relocated instruction should be
51 // relocated to point to a POINTER to the indicated global. The low-16
52 // bits of the instruction are rewritten with the high 16-bits of the
53 // address of the pointer.
54 reloc_absolute_ptr_high,
56 // reloc_absolute_ptr_low - Absolute relocation for references to lazy
57 // pointer stubs. In this case, the relocated instruction should be
58 // relocated to point to a POINTER to the indicated global. The low-16
59 // bits of the instruction are rewritten with the low 16-bits of the
60 // address of the pointer.
61 reloc_absolute_ptr_low