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_APOLLO
  28 #define COFF_MAGIC              APOLLOM68KMAGIC
  29 #define COFF_AOUTHDR_MAGIC      APOLLO_COFF_VERSION_NUMBER
  30 #undef OBJ_COFF_OMIT_OPTIONAL_HEADER
  31 #endif
  32
  33 #ifdef TE_LYNX
  34 #define TARGET_FORMAT           "coff-m68k-lynx"
  35 #endif
  36
  37 #ifndef COFF_MAGIC
  38 #define COFF_MAGIC MC68MAGIC
  39 #endif
  40 #define BFD_ARCH bfd_arch_m68k
  41 #define COFF_FLAGS F_AR32W
  42 #define TC_COUNT_RELOC(x) ((x)->fx_addsy||(x)->fx_subsy)
  43
  44 #define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
  45 #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
  46 #ifdef TE_SUN3
  47 /* This variable contains the value to write out at the beginning of
  48    the a.out file.  The 2<<16 means that this is a 68020 file instead
  49    of an old-style 68000 file */
  50
  51 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (2<<16|OMAGIC);    /* Magic byte for file header */
  52 #endif /* TE_SUN3 */
  53
  54 #ifndef AOUT_MACHTYPE
  55 #define AOUT_MACHTYPE m68k_aout_machtype
  56 extern int m68k_aout_machtype;
  57 #endif
  58
  59 #define tc_crawl_symbol_chain(a)        {;}     /* not used */
  60 #define tc_headers_hook(a)              {;}     /* not used */
  61 #define tc_aout_pre_write_hook(x)       {;}     /* not used */
  62
  63 #define LISTING_WORD_SIZE 2     /* A word is 2 bytes */
  64 #define LISTING_LHS_WIDTH 2     /* One word on the first line */
  65 #define LISTING_LHS_WIDTH_SECOND 2      /* One word on the second line */
  66 #define LISTING_LHS_CONT_LINES 4/* And 4 lines max */
  67 #define LISTING_HEADER "68K GAS "
  68
  69 /* Copied from write.c */
  70 #define M68K_AIM_KLUDGE(aim, this_state,this_type) \
  71     if (aim==0 && this_state== 4) { /* hard encoded from tc-m68k.c */ \
  72                                         aim=this_type->rlx_forward+1; /* Force relaxation into word mode */ \
  73                                     }
  74
  75 #ifndef REGISTER_PREFIX
  76 #define REGISTER_PREFIX '%'
  77 #endif
  78
  79 #if !defined (REGISTER_PREFIX_OPTIONAL)
  80 #ifdef M68KCOFF
  81 #define LOCAL_LABEL(name) (name[0] == '.' \
  82                            && (name[1] == 'L' || name[1] == '.'))
  83 #define FAKE_LABEL_NAME ".L0\001"
  84 #define REGISTER_PREFIX_OPTIONAL 0
  85 #else
  86 #define REGISTER_PREFIX_OPTIONAL 1
  87 #endif
  88 #endif /* not def REGISTER_PREFIX and not def OPTIONAL_REGISTER_PREFIX */
  89
  90 #ifdef TE_DELTA
  91 /* On the Delta, `%' can occur within a label name.  I'm assuming it
  92    can't be used as the initial character.  If that's not true, more
  93    work will be needed to fix this up.  */
  94 #define LEX_PCT 1
  95 #endif
  96
  97 #ifdef BFD_ASSEMBLER
  98 #define tc_frob_symbol(sym,punt) \
  99     if (S_GET_SEGMENT (sym) == reg_section) punt = 1
 100 #endif
 101
 102 #define DIFF_EXPR_OK
 103
 104 extern void m68k_init_after_args PARAMS ((void));
 105 #define tc_init_after_args m68k_init_after_args
 106
 107 extern int m68k_parse_long_option PARAMS ((char *));
 108 #define md_parse_long_option m68k_parse_long_option
 109
 110 /* end of tc-m68k.h */