define DIFF_EXPR_OK
[binutils-gdb.git] / 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 #define COFF_MAGIC MC68MAGIC
28 #define BFD_ARCH bfd_arch_m68k
29 #define COFF_FLAGS F_AR32W
30 #define TC_COUNT_RELOC(x) ((x)->fx_addsy||(x)->fx_subsy)
31
32 #define TC_COFF_FIX2RTYPE(fixP) tc_coff_fix2rtype(fixP)
33 #define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag)
34 #ifdef TE_SUN3
35 /* This variable contains the value to write out at the beginning of
36 the a.out file. The 2<<16 means that this is a 68020 file instead
37 of an old-style 68000 file */
38
39 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (2<<16|OMAGIC); /* Magic byte for file header */
40 #endif /* TE_SUN3 */
41
42 #ifndef AOUT_MACHTYPE
43 #define AOUT_MACHTYPE 0x2
44 #endif
45
46 #define tc_crawl_symbol_chain(a) {;} /* not used */
47 #define tc_headers_hook(a) {;} /* not used */
48 #define tc_aout_pre_write_hook(x) {;} /* not used */
49
50 #define LISTING_WORD_SIZE 2 /* A word is 2 bytes */
51 #define LISTING_LHS_WIDTH 2 /* One word on the first line */
52 #define LISTING_LHS_WIDTH_SECOND 2 /* One word on the second line */
53 #define LISTING_LHS_CONT_LINES 4/* And 4 lines max */
54 #define LISTING_HEADER "68K GAS "
55
56 /* Copied from write.c */
57 #define M68K_AIM_KLUDGE(aim, this_state,this_type) \
58 if (aim==0 && this_state== 4) { /* hard encoded from tc-m68k.c */ \
59 aim=this_type->rlx_forward+1; /* Force relaxation into word mode */ \
60 }
61
62 #ifdef M68KCOFF
63 #define DOT_LABEL_PREFIX
64 #define REGISTER_PREFIX '%'
65 #else
66 #define OPTIONAL_REGISTER_PREFIX '%'
67 #endif
68
69 #ifdef BFD_ASSEMBLER
70 #define tc_frob_symbol(sym,punt) \
71 if (S_GET_SEGMENT (sym) == reg_section) punt = 1
72 #endif
73
74 #define DIFF_EXPR_OK
75
76 /* end of tc-m68k.h */