gas/config/tc-m68k.h

   1 /* This file is tc-m68k.h
   2
   3    Copyright (C) 1987-1992 Free Software Foundation, Inc.
   4
   5    This file is part of GAS, the GNU Assembler.
   6
   7    GAS is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2, or (at your option)
  10    any later version.
  11
  12    GAS is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GAS; see the file COPYING.  If not, write to
  19    the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 #define TC_M68K 1
  22
  23 #ifdef OBJ_AOUT
  24 #define TARGET_FORMAT "a.out-sunos-big"
  25 #endif
  26
  27 #ifdef TE_LYNX
  28 #define TARGET_FORMAT           "coff-m68k-lynx"
  29 #endif
  30
  31 #define COFF_MAGIC MC68MAGIC
  32 #define BFD_ARCH bfd_arch_m68k
  33 #define COFF_FLAGS F_AR32W
  34 #define TC_COUNT_RELOC(x) ((x)->fx_addsy||(x)->fx_subsy)
  35
  36 #define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
  37 #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
  38 #ifdef TE_SUN3
  39 /* This variable contains the value to write out at the beginning of
  40    the a.out file.  The 2<<16 means that this is a 68020 file instead
  41    of an old-style 68000 file */
  42
  43 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (2<<16|OMAGIC);    /* Magic byte for file header */
  44 #endif /* TE_SUN3 */
  45
  46 #ifndef AOUT_MACHTYPE
  47 #define AOUT_MACHTYPE m68k_aout_machtype
  48 extern int m68k_aout_machtype;
  49 #endif
  50
  51 #define tc_crawl_symbol_chain(a)        {;}     /* not used */
  52 #define tc_headers_hook(a)              {;}     /* not used */
  53 #define tc_aout_pre_write_hook(x)       {;}     /* not used */
  54
  55 #define LISTING_WORD_SIZE 2     /* A word is 2 bytes */
  56 #define LISTING_LHS_WIDTH 2     /* One word on the first line */
  57 #define LISTING_LHS_WIDTH_SECOND 2      /* One word on the second line */
  58 #define LISTING_LHS_CONT_LINES 4/* And 4 lines max */
  59 #define LISTING_HEADER "68K GAS "
  60
  61 /* Copied from write.c */
  62 #define M68K_AIM_KLUDGE(aim, this_state,this_type) \
  63     if (aim==0 && this_state== 4) { /* hard encoded from tc-m68k.c */ \
  64                                         aim=this_type->rlx_forward+1; /* Force relaxation into word mode */ \
  65                                     }
  66
  67 #ifdef M68KCOFF
  68 #define DOT_LABEL_PREFIX
  69 #define REGISTER_PREFIX '%'
  70 #else
  71 #define OPTIONAL_REGISTER_PREFIX '%'
  72 #endif
  73
  74 #ifdef BFD_ASSEMBLER
  75 #define tc_frob_symbol(sym,punt) \
  76     if (S_GET_SEGMENT (sym) == reg_section) punt = 1
  77 #endif
  78
  79 #define DIFF_EXPR_OK
  80
  81 /* end of tc-m68k.h */