2 /* m88k.h -- Assembler for the Motorola 88000
3 Contributed by Devon Bowen of Buffalo University
4 and Torbjorn Granlund of the Swedish Institute of Computer Science.
5 Copyright (C) 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
7 This file is part of GAS, the GNU Assembler.
9 GAS is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 1, or (at your option)
14 GAS is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GAS; see the file COPYING. If not, write to
21 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
26 #define COFF_MAGIC MC88OMAGIC
27 #define BFD_ARCH bfd_arch_m88k
28 #define COFF_FLAGS F_AR32W
31 #define NEED_FX_R_TYPE
32 #define TC_CONS_RELOC RELOC_32
34 /* different type of relocation available in the m88k */
38 RELOC_LO16
, /* lo16(sym) */
39 RELOC_HI16
, /* hi16(sym) */
40 RELOC_PC16
, /* bb0, bb1, bcnd */
41 RELOC_PC26
, /* br, bsr */
42 RELOC_32
, /* jump tables, etc */
43 RELOC_IW16
, /* global access through linker regs 28 */
47 struct reloc_info_m88k
49 unsigned long int r_address
;
50 unsigned int r_symbolnum
:24;
51 unsigned int r_extern
:1;
53 enum reloc_type r_type
:4;
57 #define relocation_info reloc_info_m88k
59 /* The m88k uses '@' to start local labels. */
60 #define LEX_AT (LEX_BEGIN_NAME | LEX_NAME)
61 #define LOCAL_LABEL(name) \
62 ((name[0] =='@' && (name [1] == 'L' || name [1] == '.')) \
63 || (name[0] == 'L' && name[1] == '0' && name[2] == '\001'))
65 /* The m88k uses pseudo-ops with no leading period. */
68 /* Don't warn on word overflow; it happens on %hi relocs. */
69 #undef WARN_SIGNED_OVERFLOW_WORD
72 #define md_convert_frag(h,f) {as_fatal ("m88k convert_frag\n");}
74 #define md_convert_frag(b,s,f) {as_fatal ("m88k convert_frag\n");}
77 /* We don't need to do anything special for undefined symbols. */
78 #define md_undefined_symbol(s) 0
80 /* We have no special operand handling. */
85 /* Whether a reloc should be output. */
86 #define TC_COUNT_RELOC(fixp) ((fixp)->fx_addsy != NULL)
88 /* Get the BFD reloc type to use for a gas fixS structure. */
89 #define TC_COFF_FIX2RTYPE(fixp) tc_coff_fix2rtype (fixp)
91 /* No special hook needed for symbols. */
92 #define tc_coff_symbol_emit_hook(s)
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