1/* tc-arc.h - Macros and type defines for the ARC.
2   Copyright 1994, 1995, 1997, 2000, 2001, 2002, 2005
3   Free Software Foundation, Inc.
4   Contributed by Doug Evans (dje@cygnus.com).
5
6   This file is part of GAS, the GNU Assembler.
7
8   GAS is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as
10   published by the Free Software Foundation; either version 2,
11   or (at your option) any later version.
12
13   GAS is distributed in the hope that it will be useful, but
14   WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
16   the GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with GAS; see the file COPYING.  If not, write to the Free
20   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21   02110-1301, USA.  */
22
23#define TC_ARC 1
24
25#define TARGET_BYTES_BIG_ENDIAN 0
26
27#define LOCAL_LABELS_FB 1
28
29#define TARGET_ARCH bfd_arch_arc
30
31#define DIFF_EXPR_OK
32#define REGISTER_PREFIX '%'
33
34#ifdef LITTLE_ENDIAN
35#undef LITTLE_ENDIAN
36#endif
37
38#ifdef BIG_ENDIAN
39#undef BIG_ENDIAN
40#endif
41
42#define LITTLE_ENDIAN   1234
43
44#define BIG_ENDIAN      4321
45
46/* The endianness of the target format may change based on command
47   line arguments.  */
48extern const char * arc_target_format;
49
50#define DEFAULT_TARGET_FORMAT  "elf32-littlearc"
51#define TARGET_FORMAT          arc_target_format
52#define DEFAULT_BYTE_ORDER     LITTLE_ENDIAN
53#define WORKING_DOT_WORD
54#define LISTING_HEADER         "ARC GAS "
55
56/* The ARC needs to parse reloc specifiers in .word.  */
57
58extern void arc_parse_cons_expression (struct expressionS *, unsigned);
59#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) \
60  arc_parse_cons_expression (EXP, NBYTES)
61
62extern void arc_cons_fix_new (struct frag *, int, int, struct expressionS *);
63#define TC_CONS_FIX_NEW(FRAG, WHERE, NBYTES, EXP) \
64  arc_cons_fix_new (FRAG, WHERE, NBYTES, EXP)
65
66#define DWARF2_LINE_MIN_INSN_LENGTH 4
67
68/* Values passed to md_apply_fix don't include the symbol value.  */
69#define MD_APPLY_SYM_VALUE(FIX) 0
70
71/* No shared lib support, so we don't need to ensure externally
72   visible symbols can be overridden.  */
73#define EXTERN_FORCE_RELOC 0
74