include/elf/ppc.h

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