1/* tc-tic54x.h -- Header file for tc-tic54x.c
2   Copyright (C) 1999-2022 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#undef LOCAL_LABELS_FB
39
40/* accept 0FFFFh, 1010b, etc.  */
41#define NUMBERS_WITH_SUFFIX 1
42/* $ is section program counter */
43#define DOLLAR_DOT 1
44/* accept parallel lines like
45       add #1,a  ||  ld #1, b
46       (may also be split across lines)
47*/
48#define DOUBLEBAR_PARALLEL 1
49/* affects preprocessor */
50#define KEEP_WHITE_AROUND_COLON 1
51
52struct bit_info
53{
54  segT seg;
55#define TYPE_SPACE 0
56#define TYPE_BES   1
57#define TYPE_FIELD 2
58  int type;
59  symbolS *sym;
60  valueT value;
61  char *where;
62  int offset;
63};
64
65/* We sometimes need to keep track of bit offsets within words */
66#define TC_FRAG_TYPE int
67#define TC_FRAG_INIT(FRAGP, MAX_BYTES) do {(FRAGP)->tc_frag_data = 0;}while (0)
68
69/* Tell GAS whether the given token is indeed a code label.
70   Note - we make of the knowledge that this macro will be called from
71   read.c:read_a_source_file()  in that we also pass the local variable
72   line_start.  */
73#define TC_START_LABEL_WITHOUT_COLON(NUL_CHAR, NEXT_CHAR) \
74  tic54x_start_label (line_start, NUL_CHAR, NEXT_CHAR)
75extern int tic54x_start_label (char *, int, int);
76
77/* custom handling for relocations in cons expressions */
78#define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC)	\
79  tic54x_cons_fix_new (FRAG, OFF, LEN, EXP, RELOC)
80extern void tic54x_cons_fix_new (fragS *, int, int, expressionS *,
81				 bfd_reloc_code_real_type);
82
83/* Define md_number_to_chars as the appropriate standard big endian or
84   little endian function.  Mostly littleendian, but longwords and floats are
85   stored MS word first.
86*/
87
88#define md_number_to_chars tic54x_number_to_chars
89extern void tic54x_number_to_chars (char *, valueT, int);
90#define tc_adjust_symtab() tic54x_adjust_symtab()
91extern void tic54x_adjust_symtab (void);
92#define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch)
93extern int tic54x_unrecognized_line (int ch);
94#define md_parse_name(s,e,m,c) tic54x_parse_name(s,e)
95extern int tic54x_parse_name (char *name, expressionS *e);
96#define md_undefined_symbol(s) tic54x_undefined_symbol(s)
97extern symbolS *tic54x_undefined_symbol (char *name);
98#define md_macro_start() tic54x_macro_start()
99extern void tic54x_macro_start (void);
100#define md_macro_end() tic54x_macro_end()
101extern void tic54x_macro_end (void);
102#define md_macro_info(args) tic54x_macro_info(args)
103struct macro_struct;
104extern void tic54x_macro_info (const struct macro_struct *);
105#define tc_frob_label(sym) tic54x_define_label (sym)
106extern void tic54x_define_label (symbolS *);
107
108#define md_start_line_hook() tic54x_start_line_hook()
109extern void tic54x_start_line_hook (void);
110
111#define md_estimate_size_before_relax(f,s) \
112tic54x_estimate_size_before_relax(f,s)
113extern int tic54x_estimate_size_before_relax(fragS *, segT);
114
115#define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s)
116extern int tic54x_relax_frag(fragS *, long);
117
118#define md_convert_frag(b,s,f)	tic54x_convert_frag(b,s,f)
119extern void tic54x_convert_frag(bfd *, segT, fragS *);
120
121/* Other things we don't support...  */
122
123/* Define away the call to md_operand in the expression parsing code.
124   This is called whenever the expression parser can't parse the input
125   and gives the assembler backend a chance to deal with it instead.  */
126
127#define md_operand(X)
128
129/* spruce up the listing output */
130#define LISTING_WORD_SIZE 2
131
132extern void tic54x_global (int);
133
134#endif
135