1 //===-- PPCRelocations.h - PPC Code Relocations -----------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // 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 PPCRELOCATIONS_H 15 #define PPCRELOCATIONS_H 16 17 #include "llvm/CodeGen/MachineRelocation.h" 18 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) 21 #ifdef PPC 22 #undef PPC 23 #endif 24 25 namespace llvm { 26 namespace PPC { 27 enum RelocationType { 28 // reloc_vanilla - A standard relocation, where the address of the 29 // relocated object completely overwrites the address of the relocation. 30 reloc_vanilla, 31 32 // reloc_pcrel_bx - PC relative relocation, for the b or bl instructions. 33 reloc_pcrel_bx, 34 35 // reloc_pcrel_bcx - PC relative relocation, for BLT,BLE,BEQ,BGE,BGT,BNE, 36 // and other bcx instructions. 37 reloc_pcrel_bcx, 38 39 // reloc_absolute_high - Absolute relocation, for the loadhi instruction 40 // (which is really addis). Add the high 16-bits of the specified global 41 // address into the low 16-bits of the instruction. 42 reloc_absolute_high, 43 44 // reloc_absolute_low - Absolute relocation, for the la instruction (which 45 // is really an addi). Add the low 16-bits of the specified global 46 // address into the low 16-bits of the instruction. 47 reloc_absolute_low, 48 49 // reloc_absolute_low_ix - Absolute relocation for the 64-bit load/store 50 // instruction which have two implicit zero bits. 51 reloc_absolute_low_ix 52 }; 53 } 54 } 55 56 #endif 57