include/elf/arm-oabi.h

   1 /* ARM ELF support for BFD.
   2    Copyright (C) 1998, 1999 Free Software Foundation, Inc.
   3
   4    This file is part of BFD, the Binary File Descriptor library.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software Foundation,
  18    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _ELF_ARM_H
  21 #define _ELF_ARM_H
  22
  23 #include "elf/reloc-macros.h"
  24
  25 /* Processor specific flags for the ELF header e_flags field.  */
  26 #define EF_ARM_RELEXEC     0x01
  27 #define EF_ARM_HASENTRY    0x02
  28 #define EF_INTERWORK       0x04
  29 #define EF_APCS_26         0x08
  30 #define EF_APCS_FLOAT      0x10
  31 #define EF_PIC             0x20
  32 #define EF_ALIGN8          0x40         /* 8-bit structure alignment is in use */
  33 #define EF_NEW_ABI         0x80
  34 #define EF_OLD_ABI         0x100
  35
  36 /* Local aliases for some flags to match names used by COFF port.  */
  37 #define F_INTERWORK        EF_INTERWORK
  38 #define F_APCS26           EF_APCS_26
  39 #define F_APCS_FLOAT       EF_APCS_FLOAT
  40 #define F_PIC              EF_PIC
  41
  42 /* Additional symbol types for Thumb */
  43 #define STT_ARM_TFUNC     0xd
  44
  45 /* ARM-specific values for sh_flags */
  46 #define SHF_ENTRYSECT      0x10000000   /* Section contains an entry point */
  47 #define SHF_COMDEF         0x80000000   /* Section may be multiply defined in the input to a link step */
  48
  49 /* ARM-specific program header flags */
  50 #define PF_ARM_SB          0x10000000   /* Segment contains the location addressed by the static base */
  51
  52 /* Relocation types.  */
  53 START_RELOC_NUMBERS (elf_arm_reloc_type)
  54   RELOC_NUMBER (R_ARM_NONE,         0)
  55   RELOC_NUMBER (R_ARM_PC24,         1)
  56   RELOC_NUMBER (R_ARM_ABS32,        2)
  57   RELOC_NUMBER (R_ARM_REL32,        3)
  58   RELOC_NUMBER (R_ARM_ABS8,         4)
  59   RELOC_NUMBER (R_ARM_ABS16,        5)
  60   RELOC_NUMBER (R_ARM_ABS12,        6)
  61   RELOC_NUMBER (R_ARM_THM_ABS5,     7)
  62   RELOC_NUMBER (R_ARM_THM_PC22,     8)
  63   RELOC_NUMBER (R_ARM_SBREL32,      9)
  64   RELOC_NUMBER (R_ARM_AMP_VCALL9,  10)
  65   RELOC_NUMBER (R_ARM_THM_PC11,    11)       /* cygnus extension to abi: thumb unconditional branch */
  66   RELOC_NUMBER (R_ARM_THM_PC9,     12)       /* cygnus extension to abi: thumb conditional branch */
  67   RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 13)
  68   RELOC_NUMBER (R_ARM_GNU_VTENTRY, 14)
  69   RELOC_NUMBER (R_ARM_COPY,        20)       /* copy symbol at runtime */
  70   RELOC_NUMBER (R_ARM_GLOB_DAT,    21)       /* create GOT entry */
  71   RELOC_NUMBER (R_ARM_JUMP_SLOT,   22)       /* create PLT entry */
  72   RELOC_NUMBER (R_ARM_RELATIVE,    23)       /* adjust by program base */
  73   RELOC_NUMBER (R_ARM_GOTOFF,      24)       /* 32 bit offset to GOT */
  74   RELOC_NUMBER (R_ARM_GOTPC,       25)       /* 32 bit PC relative offset to GOT */
  75   RELOC_NUMBER (R_ARM_GOT32,       26)       /* 32 bit GOT entry */
  76   RELOC_NUMBER (R_ARM_PLT32,       27)       /* 32 bit PLT address */
  77   FAKE_RELOC   (FIRST_INVALID_RELOC, 28)
  78   FAKE_RELOC   (LAST_INVALID_RELOC,  249)
  79   RELOC_NUMBER (R_ARM_RSBREL32,   250)
  80   RELOC_NUMBER (R_ARM_THM_RPC22,  251)
  81   RELOC_NUMBER (R_ARM_RREL32,     252)
  82   RELOC_NUMBER (R_ARM_RABS32,     253)
  83   RELOC_NUMBER (R_ARM_RPC24,      254)
  84   RELOC_NUMBER (R_ARM_RBASE,      255)
  85 END_RELOC_NUMBERS
  86
  87 #endif