aboutsummaryrefslogtreecommitdiff
path: root/gas/config/tc-tic54x.h
blob: 07b1f67e98c0aff93619a078219ca2fded3deb10 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/* tc-tic54x.h -- Header file for tc-tic54x.c
   Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
   Contributed by Timothy Wall (twall@alum.mit.edu)

   This file is part of GAS, the GNU Assembler.

   GAS is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   GAS is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GAS; see the file COPYING.  If not, write to the Free
   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA.  */

#ifndef _TC_TIC54X_H_
#define _TC_TIC54X_H_

/* select the proper coff format (see obj-coff.h) */
#define TC_TIC54X

#define TARGET_BYTES_BIG_ENDIAN	0
#define OCTETS_PER_BYTE_POWER 1

#define TARGET_ARCH		bfd_arch_tic54x
#define BFD_ARCH                TARGET_ARCH

#define WORKING_DOT_WORD        1

#define MAX_OPERANDS 4
#define PARALLEL_SEPARATOR '|'
#define LABELS_WITHOUT_COLONS 1
/* accept 0FFFFh, 1010b, etc.  */
#define NUMBERS_WITH_SUFFIX 1
/* $ is section program counter */
#define DOLLAR_DOT 1
/* accept parallel lines like
       add #1,a  ||  ld #1, b
       (may also be split across lines)
*/
#define DOUBLEBAR_PARALLEL 1
/* affects preprocessor */
#define KEEP_WHITE_AROUND_COLON 1

/* We need the extra field in the fixup struct to put the relocation in.  */

#define NEED_FX_R_TYPE

struct bit_info
{
  segT seg;
#define TYPE_SPACE 0
#define TYPE_BES   1
#define TYPE_FIELD 2
  int type;
  symbolS *sym;
  valueT value;
  char *where;
  int offset;
};

/* We sometimes need to keep track of bit offsets within words */
#define TC_FRAG_TYPE int
#define TC_FRAG_INIT(FRAGP) do {(FRAGP)->tc_frag_data = 0;}while (0)

/* tell GAS whether the given token is indeed a code label */
#define TC_START_LABEL_WITHOUT_COLON(c,ptr) tic54x_start_label(c,ptr)
extern int tic54x_start_label PARAMS((int, char *));

/* custom handling for relocations in cons expressions */
#define TC_CONS_FIX_NEW(FRAG,OFF,LEN,EXP) tic54x_cons_fix_new(FRAG,OFF,LEN,EXP)
extern void tic54x_cons_fix_new PARAMS((fragS *,int,int,expressionS *));

/* Define md_number_to_chars as the appropriate standard big endian or
   little endian function.  Mostly littleendian, but longwords and floats are
   stored MS word first.
*/

#define md_number_to_chars tic54x_number_to_chars
extern void tic54x_number_to_chars (char *, valueT, int);
#define tc_adjust_symtab() tic54x_adjust_symtab()
extern void tic54x_adjust_symtab (void);
#define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch)
extern int tic54x_unrecognized_line (int ch);
#define md_parse_name(s,e,c) tic54x_parse_name(s,e)
extern int tic54x_parse_name (char *name, expressionS *e);
#define md_undefined_symbol(s) tic54x_undefined_symbol(s)
extern symbolS *tic54x_undefined_symbol (char *name);
#define md_macro_start() tic54x_macro_start()
extern void tic54x_macro_start (void);
#define md_macro_end() tic54x_macro_end()
extern void tic54x_macro_end (void);
#define md_macro_info(args) tic54x_macro_info(args)
extern void tic54x_macro_info PARAMS((void *macro));
#define tc_frob_label(sym) tic54x_define_label (sym)
extern void tic54x_define_label PARAMS((symbolS *));

#define md_start_line_hook() tic54x_start_line_hook()
extern void tic54x_start_line_hook (void);

#define md_estimate_size_before_relax(f,s) \
tic54x_estimate_size_before_relax(f,s)
extern int tic54x_estimate_size_before_relax(fragS *, segT);

#define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s)
extern int tic54x_relax_frag(fragS *, long);

#define md_convert_frag(b,s,f)	tic54x_convert_frag(b,s,f)
extern void tic54x_convert_frag(bfd *, segT, fragS *);

/* Other things we don't support...  */

/* Define away the call to md_operand in the expression parsing code.
   This is called whenever the expression parser can't parse the input
   and gives the assembler backend a chance to deal with it instead.  */

#define md_operand(X)

/* spruce up the listing output */
#define LISTING_WORD_SIZE 2

extern void tic54x_global (int);

#endif