sdcc/support/sdbinutils/include/elf/ip2k.h

   1 /* IP2xxx ELF support for BFD.
   2    Copyright (C) 2000-2022 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_IP2K_H
  21 #define _ELF_IP2K_H
  22
  23 #include "elf/reloc-macros.h"
  24
  25 /* Relocations.  */
  26 START_RELOC_NUMBERS (elf_ip2k_reloc_type)
  27   RELOC_NUMBER (R_IP2K_NONE, 0)
  28   RELOC_NUMBER (R_IP2K_16, 1)
  29   RELOC_NUMBER (R_IP2K_32, 2)
  30   RELOC_NUMBER (R_IP2K_FR9, 3)
  31   RELOC_NUMBER (R_IP2K_BANK, 4)
  32   RELOC_NUMBER (R_IP2K_ADDR16CJP, 5)
  33   RELOC_NUMBER (R_IP2K_PAGE3, 6)
  34   RELOC_NUMBER (R_IP2K_LO8DATA, 7)
  35   RELOC_NUMBER (R_IP2K_HI8DATA, 8)
  36   RELOC_NUMBER (R_IP2K_LO8INSN, 9)
  37   RELOC_NUMBER (R_IP2K_HI8INSN, 10)
  38   RELOC_NUMBER (R_IP2K_PC_SKIP, 11)
  39   RELOC_NUMBER (R_IP2K_TEXT, 12)
  40   RELOC_NUMBER (R_IP2K_FR_OFFSET, 13)
  41   RELOC_NUMBER (R_IP2K_EX8DATA, 14)
  42 END_RELOC_NUMBERS(R_IP2K_max)
  43
  44
  45 /* Define the data & instruction memory discriminator.  In a linked
  46    executable, an symbol should be deemed to point to an instruction
  47    if ((address & IP2K_INSN_MASK) == IP2K_INSN_VALUE), and similarly
  48    for the data space.  See also `ld/emulparams/elf32ip2k.sh'.  */
  49 /* ??? Consider extending the _MASK values to include all the
  50    intermediate bits that must be zero due to the limited physical
  51    memory size on the IP2K.  */
  52
  53 #define IP2K_DATA_MASK   0xff000000
  54 #define IP2K_DATA_VALUE  0x01000000
  55 #define IP2K_INSN_MASK   0xff000000
  56 #define IP2K_INSN_VALUE  0x02000000
  57
  58 /* The location of the memory mapped hardware stack.  */
  59 #define IP2K_STACK_VALUE 0x0f000000
  60 #define IP2K_STACK_SIZE  0x20
  61
  62 #endif /* _ELF_IP2K_H */