1/* tc-tic54x.h -- Header file for tc-tic54x.c
2   Copyright 1999, 2000, 2001, 2005, 2007, 2008 Free Software Foundation, Inc.
3   Contributed by Timothy Wall (twall@alum.mit.edu)
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 3, 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 the Free
19   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
20   02110-1301, USA.  */
21
22#ifndef _TC_TIC54X_H_
23#define _TC_TIC54X_H_
24
25/* select the proper coff format (see obj-coff.h) */
26#define TC_TIC54X
27
28#define TARGET_BYTES_BIG_ENDIAN	0
29#define OCTETS_PER_BYTE_POWER 1
30
31#define TARGET_ARCH		bfd_arch_tic54x
32
33#define WORKING_DOT_WORD        1
34
35#define MAX_OPERANDS 4
36#define PARALLEL_SEPARATOR '|'
37#define LABELS_WITHOUT_COLONS 1
38/* accept 0FFFFh, 1010b, etc.  */
39#define NUMBERS_WITH_SUFFIX 1
40/* $ is section program counter */
41#define DOLLAR_DOT 1
42/* accept parallel lines like
43       add #1,a  ||  ld #1, b
44       (may also be split across lines)
45*/
46#define DOUBLEBAR_PARALLEL 1
47/* affects preprocessor */
48#define KEEP_WHITE_AROUND_COLON 1
49
50struct bit_info
51{
52  segT seg;
53#define TYPE_SPACE 0
54#define TYPE_BES   1
55#define TYPE_FIELD 2
56  int type;
57  symbolS *sym;
58  valueT value;
59  char *where;
60  int offset;
61};
62
63/* We sometimes need to keep track of bit offsets within words */
64#define TC_FRAG_TYPE int
65#define TC_FRAG_INIT(FRAGP) do {(FRAGP)->tc_frag_data = 0;}while (0)
66
67/* tell GAS whether the given token is indeed a code label */
68#define TC_START_LABEL_WITHOUT_COLON(c,ptr) tic54x_start_label(c,ptr)
69extern int tic54x_start_label (int, char *);
70
71/* custom handling for relocations in cons expressions */
72#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) tic54x_cons_fix_new(FRAG,OFF,LEN,EXP)
73extern void tic54x_cons_fix_new (fragS *,int,int,expressionS *);
74
75/* Define md_number_to_chars as the appropriate standard big endian or
76   little endian function.  Mostly littleendian, but longwords and floats are
77   stored MS word first.
78*/
79
80#define md_number_to_chars tic54x_number_to_chars
81extern void tic54x_number_to_chars (char *, valueT, int);
82#define tc_adjust_symtab() tic54x_adjust_symtab()
83extern void tic54x_adjust_symtab (void);
84#define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch)
85extern int tic54x_unrecognized_line (int ch);
86#define md_parse_name(s,e,m,c) tic54x_parse_name(s,e)
87extern int tic54x_parse_name (char *name, expressionS *e);
88#define md_undefined_symbol(s) tic54x_undefined_symbol(s)
89extern symbolS *tic54x_undefined_symbol (char *name);
90#define md_macro_start() tic54x_macro_start()
91extern void tic54x_macro_start (void);
92#define md_macro_end() tic54x_macro_end()
93extern void tic54x_macro_end (void);
94#define md_macro_info(args) tic54x_macro_info(args)
95struct macro_struct;
96extern void tic54x_macro_info (const struct macro_struct *);
97#define tc_frob_label(sym) tic54x_define_label (sym)
98extern void tic54x_define_label (symbolS *);
99
100#define md_start_line_hook() tic54x_start_line_hook()
101extern void tic54x_start_line_hook (void);
102
103#define md_estimate_size_before_relax(f,s) \
104tic54x_estimate_size_before_relax(f,s)
105extern int tic54x_estimate_size_before_relax(fragS *, segT);
106
107#define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s)
108extern int tic54x_relax_frag(fragS *, long);
109
110#define md_convert_frag(b,s,f)	tic54x_convert_frag(b,s,f)
111extern void tic54x_convert_frag(bfd *, segT, fragS *);
112
113/* Other things we don't support...  */
114
115/* Define away the call to md_operand in the expression parsing code.
116   This is called whenever the expression parser can't parse the input
117   and gives the assembler backend a chance to deal with it instead.  */
118
119#define md_operand(X)
120
121/* spruce up the listing output */
122#define LISTING_WORD_SIZE 2
123
124extern void tic54x_global (int);
125
126#endif
127