ppc.h revision 60484
1/* PPC ELF support for BFD. 2 Copyright (C) 1995, 1998 Free Software Foundation, Inc. 3 4 By Michael Meissner, Cygnus Support, <meissner@cygnus.com>, from information 5 in the System V Application Binary Interface, PowerPC Processor Supplement 6 and the PowerPC Embedded Application Binary Interface (eabi). 7 8This file is part of BFD, the Binary File Descriptor library. 9 10This program is free software; you can redistribute it and/or modify 11it under the terms of the GNU General Public License as published by 12the Free Software Foundation; either version 2 of the License, or 13(at your option) any later version. 14 15This program is distributed in the hope that it will be useful, 16but WITHOUT ANY WARRANTY; without even the implied warranty of 17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18GNU General Public License for more details. 19 20You should have received a copy of the GNU General Public License 21along with this program; if not, write to the Free Software 22Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 23 24/* This file holds definitions specific to the PPC ELF ABI. Note 25 that most of this is not actually implemented by BFD. */ 26 27#ifndef _ELF_PPC_H 28#define _ELF_PPC_H 29 30#include "elf/reloc-macros.h" 31 32/* Relocations. */ 33START_RELOC_NUMBERS (elf_ppc_reloc_type) 34 RELOC_NUMBER (R_PPC_NONE, 0) 35 RELOC_NUMBER (R_PPC_ADDR32, 1) 36 RELOC_NUMBER (R_PPC_ADDR24, 2) 37 RELOC_NUMBER (R_PPC_ADDR16, 3) 38 RELOC_NUMBER (R_PPC_ADDR16_LO, 4) 39 RELOC_NUMBER (R_PPC_ADDR16_HI, 5) 40 RELOC_NUMBER (R_PPC_ADDR16_HA, 6) 41 RELOC_NUMBER (R_PPC_ADDR14, 7) 42 RELOC_NUMBER (R_PPC_ADDR14_BRTAKEN, 8) 43 RELOC_NUMBER (R_PPC_ADDR14_BRNTAKEN, 9) 44 RELOC_NUMBER (R_PPC_REL24, 10) 45 RELOC_NUMBER (R_PPC_REL14, 11) 46 RELOC_NUMBER (R_PPC_REL14_BRTAKEN, 12) 47 RELOC_NUMBER (R_PPC_REL14_BRNTAKEN, 13) 48 RELOC_NUMBER (R_PPC_GOT16, 14) 49 RELOC_NUMBER (R_PPC_GOT16_LO, 15) 50 RELOC_NUMBER (R_PPC_GOT16_HI, 16) 51 RELOC_NUMBER (R_PPC_GOT16_HA, 17) 52 RELOC_NUMBER (R_PPC_PLTREL24, 18) 53 RELOC_NUMBER (R_PPC_COPY, 19) 54 RELOC_NUMBER (R_PPC_GLOB_DAT, 20) 55 RELOC_NUMBER (R_PPC_JMP_SLOT, 21) 56 RELOC_NUMBER (R_PPC_RELATIVE, 22) 57 RELOC_NUMBER (R_PPC_LOCAL24PC, 23) 58 RELOC_NUMBER (R_PPC_UADDR32, 24) 59 RELOC_NUMBER (R_PPC_UADDR16, 25) 60 RELOC_NUMBER (R_PPC_REL32, 26) 61 RELOC_NUMBER (R_PPC_PLT32, 27) 62 RELOC_NUMBER (R_PPC_PLTREL32, 28) 63 RELOC_NUMBER (R_PPC_PLT16_LO, 29) 64 RELOC_NUMBER (R_PPC_PLT16_HI, 30) 65 RELOC_NUMBER (R_PPC_PLT16_HA, 31) 66 RELOC_NUMBER (R_PPC_SDAREL16, 32) 67 RELOC_NUMBER (R_PPC_SECTOFF, 33) 68 RELOC_NUMBER (R_PPC_SECTOFF_LO, 34) 69 RELOC_NUMBER (R_PPC_SECTOFF_HI, 35) 70 RELOC_NUMBER (R_PPC_SECTOFF_HA, 36) 71 72/* The remaining relocs are from the Embedded ELF ABI, and are not 73 in the SVR4 ELF ABI. */ 74 RELOC_NUMBER (R_PPC_EMB_NADDR32, 101) 75 RELOC_NUMBER (R_PPC_EMB_NADDR16, 102) 76 RELOC_NUMBER (R_PPC_EMB_NADDR16_LO, 103) 77 RELOC_NUMBER (R_PPC_EMB_NADDR16_HI, 104) 78 RELOC_NUMBER (R_PPC_EMB_NADDR16_HA, 105) 79 RELOC_NUMBER (R_PPC_EMB_SDAI16, 106) 80 RELOC_NUMBER (R_PPC_EMB_SDA2I16, 107) 81 RELOC_NUMBER (R_PPC_EMB_SDA2REL, 108) 82 RELOC_NUMBER (R_PPC_EMB_SDA21, 109) 83 RELOC_NUMBER (R_PPC_EMB_MRKREF, 110) 84 RELOC_NUMBER (R_PPC_EMB_RELSEC16, 111) 85 RELOC_NUMBER (R_PPC_EMB_RELST_LO, 112) 86 RELOC_NUMBER (R_PPC_EMB_RELST_HI, 113) 87 RELOC_NUMBER (R_PPC_EMB_RELST_HA, 114) 88 RELOC_NUMBER (R_PPC_EMB_BIT_FLD, 115) 89 RELOC_NUMBER (R_PPC_EMB_RELSDA, 116) 90 91 /* These are GNU extensions to enable C++ vtable garbage collection. */ 92 RELOC_NUMBER (R_PPC_GNU_VTINHERIT, 253) 93 RELOC_NUMBER (R_PPC_GNU_VTENTRY, 254) 94 95/* This is a phony reloc to handle any old fashioned TOC16 references 96 that may still be in object files. */ 97 RELOC_NUMBER (R_PPC_TOC16, 255) 98 99 EMPTY_RELOC (R_PPC_max) 100END_RELOC_NUMBERS 101 102 103/* Processor specific flags for the ELF header e_flags field. */ 104 105#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */ 106 107 /* CYGNUS local bits below */ 108#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag */ 109#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib flag */ 110 111/* Processor specific section headers, sh_type field */ 112 113#define SHT_ORDERED SHT_HIPROC /* Link editor is to sort the \ 114 entries in this section \ 115 based on the address \ 116 specified in the associated \ 117 symbol table entry. */ 118 119/* Processor specific section flags, sh_flags field */ 120 121#define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude \ 122 this section from executable \ 123 and shared objects that it \ 124 builds when those objects \ 125 are not to be furhter \ 126 relocated. */ 127#endif /* _ELF_PPC_H */ 128