include/coff/z8k.h

   1 /* coff information for Zilog Z800N
   2
   3    Copyright (C) 2001-2024 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  18    MA 02110-1301, USA.  */
  19
  20 #define L_LNNO_SIZE 4
  21 #include "coff/external.h"
  22
  23 /* Type of cpu is stored in flags */
  24 #define F_Z8001    0x1000
  25 #define F_Z8002    0x2000
  26 #define F_MACHMASK 0xf000
  27
  28 #define Z8KMAGIC   0x8000
  29
  30 #define Z8KBADMAG(x) (((x).f_magic != Z8KMAGIC))
  31
  32 /********************** RELOCATION DIRECTIVES **********************/
  33
  34 /* The external reloc has an offset field, because some of the reloc
  35    types on the z8k don't have room in the instruction for the entire
  36    offset - eg with segments.  */
  37
  38 struct external_reloc
  39 {
  40   char r_vaddr[4];
  41   char r_symndx[4];
  42   char r_offset[4];
  43   char r_type[2];
  44   char r_stuff[2];
  45 };
  46
  47 #define RELOC struct external_reloc
  48 #define RELSZ 16
  49
  50 /* Z8k relocations.  */
  51 #define R_IMM16   0x01          /* 16 bit abs */
  52 #define R_JR      0x02          /* jr  8 bit disp */
  53 #define R_IMM32   0x11          /* 32 bit abs */
  54 #define R_IMM8    0x22          /* 8 bit abs */
  55 #define R_IMM4L   0x23          /* low nibble */
  56 #define R_REL16   0x04          /* 16 bit PC rel */
  57 #define R_CALLR   0x05          /* callr 12 bit disp */
  58 #define R_SEG     0x10          /* set if in segmented mode */
  59 #define R_IMM4H   0x24          /* high nibble */
  60 #define R_DISP7   0x25          /* djnz displacement */