include/elf/bfin.h

   1 /* Blackfin ELF support for BFD.
   2    Copyright (C) 2005-2021 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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
  19
  20 #ifndef _ELF_BFIN_H
  21 #define _ELF_BFIN_H
  22
  23 #include "elf/reloc-macros.h"
  24
  25 START_RELOC_NUMBERS (elf_bfin_reloc_type)
  26   RELOC_NUMBER (R_BFIN_UNUSED0, 0x00)          /* relocation type 0 is not defined */
  27   RELOC_NUMBER (R_BFIN_PCREL5M2, 0x01)         /* LSETUP part a */
  28   RELOC_NUMBER (R_BFIN_UNUSED1, 0x02)          /* relocation type 2 is not defined */
  29   RELOC_NUMBER (R_BFIN_PCREL10, 0x03)          /* type 3, 0x00) if cc jump <target> */
  30   RELOC_NUMBER (R_BFIN_PCREL12_JUMP, 0x04)     /* type 4, 0x00) jump <target> */
  31   RELOC_NUMBER (R_BFIN_RIMM16, 0x05)           /* type 0x5, 0x00) rN = <target> */
  32   RELOC_NUMBER (R_BFIN_LUIMM16, 0x06)          /* # 0x6, 0x00) preg.l=<target> Load imm 16 to lower half */
  33   RELOC_NUMBER (R_BFIN_HUIMM16, 0x07)          /* # 0x7, 0x00) preg.h=<target> Load imm 16 to upper half */
  34   RELOC_NUMBER (R_BFIN_PCREL12_JUMP_S, 0x08)   /* # 0x8 jump.s <target> */
  35   RELOC_NUMBER (R_BFIN_PCREL24_JUMP_X, 0x09)   /* # 0x9 jump.x <target> */
  36   RELOC_NUMBER (R_BFIN_PCREL24, 0x0a)          /* # 0xa call <target> , 0x00) not expandable */
  37   RELOC_NUMBER (R_BFIN_UNUSEDB, 0x0b)          /* # 0xb not generated */
  38   RELOC_NUMBER (R_BFIN_UNUSEDC, 0x0c)          /* # 0xc  not used */
  39   RELOC_NUMBER (R_BFIN_PCREL24_JUMP_L, 0x0d)   /* 0xd jump.l <target> */
  40   RELOC_NUMBER (R_BFIN_PCREL24_CALL_X, 0x0e)   /* 0xE, 0x00) call.x <target> if <target> is above 24 bit limit call through P1 */
  41   RELOC_NUMBER (R_BFIN_VAR_EQ_SYMB, 0x0f)      /* 0xf, 0x00) linker should treat it same as 0x12 */
  42   RELOC_NUMBER (R_BFIN_BYTE_DATA, 0x10)        /* 0x10, 0x00) .byte var = symbol */
  43   RELOC_NUMBER (R_BFIN_BYTE2_DATA, 0x11)       /* 0x11, 0x00) .byte2 var = symbol */
  44   RELOC_NUMBER (R_BFIN_BYTE4_DATA, 0x12)       /* 0x12, 0x00) .byte4 var = symbol and .var var=symbol */
  45   RELOC_NUMBER (R_BFIN_PCREL11, 0x13)          /* 0x13, 0x00) lsetup part b */
  46   RELOC_NUMBER (R_BFIN_GOT17M4, 0x14)
  47   RELOC_NUMBER (R_BFIN_GOTHI, 0x15)
  48   RELOC_NUMBER (R_BFIN_GOTLO, 0x16)
  49   RELOC_NUMBER (R_BFIN_FUNCDESC, 0x17)
  50   RELOC_NUMBER (R_BFIN_FUNCDESC_GOT17M4, 0x18)
  51   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTHI, 0x19)
  52   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTLO, 0x1a)
  53   RELOC_NUMBER (R_BFIN_FUNCDESC_VALUE, 0x1b)
  54   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTOFF17M4, 0x1c)
  55   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTOFFHI, 0x1d)
  56   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTOFFLO, 0x1e)
  57   RELOC_NUMBER (R_BFIN_GOTOFF17M4, 0x1f)
  58   RELOC_NUMBER (R_BFIN_GOTOFFHI, 0x20)
  59   RELOC_NUMBER (R_BFIN_GOTOFFLO, 0x21)
  60
  61   RELOC_NUMBER (R_BFIN_PUSH, 0xE0)
  62   RELOC_NUMBER (R_BFIN_CONST, 0xE1)
  63   RELOC_NUMBER (R_BFIN_ADD, 0xE2)
  64   RELOC_NUMBER (R_BFIN_SUB, 0xE3)
  65   RELOC_NUMBER (R_BFIN_MULT, 0xE4)
  66   RELOC_NUMBER (R_BFIN_DIV, 0xE5)
  67   RELOC_NUMBER (R_BFIN_MOD, 0xE6)
  68   RELOC_NUMBER (R_BFIN_LSHIFT, 0xE7)
  69   RELOC_NUMBER (R_BFIN_RSHIFT, 0xE8)
  70   RELOC_NUMBER (R_BFIN_AND, 0xE9)
  71   RELOC_NUMBER (R_BFIN_OR, 0xEA)
  72   RELOC_NUMBER (R_BFIN_XOR, 0xEB)
  73   RELOC_NUMBER (R_BFIN_LAND, 0xEC)
  74   RELOC_NUMBER (R_BFIN_LOR, 0xED)
  75   RELOC_NUMBER (R_BFIN_LEN, 0xEE)
  76   RELOC_NUMBER (R_BFIN_NEG, 0xEF)
  77   RELOC_NUMBER (R_BFIN_COMP, 0xF0)
  78   RELOC_NUMBER (R_BFIN_PAGE, 0xF1)
  79   RELOC_NUMBER (R_BFIN_HWPAGE, 0xF2)
  80   RELOC_NUMBER (R_BFIN_ADDR, 0xF3)
  81   RELOC_NUMBER (R_BFIN_PLTPC, 0x40)         /* PLT gnu only relocation */
  82   RELOC_NUMBER (R_BFIN_GOT, 0x41)           /* GOT gnu only relocation */
  83   RELOC_NUMBER (R_BFIN_GNU_VTINHERIT, 0x42) /* C++, gnu only */
  84   RELOC_NUMBER (R_BFIN_GNU_VTENTRY, 0x43) /* C++, gnu only */
  85 END_RELOC_NUMBERS (R_BFIN_max)
  86
  87 /* Processor specific flags for the ELF header e_flags field.  */
  88 #define EF_BFIN_PIC             0x00000001      /* -fpic */
  89 #define EF_BFIN_FDPIC           0x00000002      /* -mfdpic */
  90
  91 #define EF_BFIN_CODE_IN_L1      0x00000010      /* --code-in-l1 */
  92 #define EF_BFIN_DATA_IN_L1      0x00000020      /* --data-in-l1 */
  93
  94 #define EF_BFIN_PIC_FLAGS       (EF_BFIN_PIC | EF_BFIN_FDPIC)
  95 #endif /* _ELF_BFIN_H */