1 /* tc-tic54x.h -- Header file for tc-tic54x.c
2    Copyright (C) 1999-2016 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 
50 struct 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(NUL_CHAR, NEXT_CHAR) \
69   tic54x_start_label(NUL_CHAR, NEXT_CHAR)
70 extern int tic54x_start_label (int, int);
71 
72 /* custom handling for relocations in cons expressions */
73 #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP, RELOC)	\
74   tic54x_cons_fix_new (FRAG, OFF, LEN, EXP, RELOC)
75 extern void tic54x_cons_fix_new (fragS *, int, int, expressionS *,
76 				 bfd_reloc_code_real_type);
77 
78 /* Define md_number_to_chars as the appropriate standard big endian or
79    little endian function.  Mostly littleendian, but longwords and floats are
80    stored MS word first.
81 */
82 
83 #define md_number_to_chars tic54x_number_to_chars
84 extern void tic54x_number_to_chars (char *, valueT, int);
85 #define tc_adjust_symtab() tic54x_adjust_symtab()
86 extern void tic54x_adjust_symtab (void);
87 #define tc_unrecognized_line(ch) tic54x_unrecognized_line(ch)
88 extern int tic54x_unrecognized_line (int ch);
89 #define md_parse_name(s,e,m,c) tic54x_parse_name(s,e)
90 extern int tic54x_parse_name (char *name, expressionS *e);
91 #define md_undefined_symbol(s) tic54x_undefined_symbol(s)
92 extern symbolS *tic54x_undefined_symbol (char *name);
93 #define md_macro_start() tic54x_macro_start()
94 extern void tic54x_macro_start (void);
95 #define md_macro_end() tic54x_macro_end()
96 extern void tic54x_macro_end (void);
97 #define md_macro_info(args) tic54x_macro_info(args)
98 struct macro_struct;
99 extern void tic54x_macro_info (const struct macro_struct *);
100 #define tc_frob_label(sym) tic54x_define_label (sym)
101 extern void tic54x_define_label (symbolS *);
102 
103 #define md_start_line_hook() tic54x_start_line_hook()
104 extern void tic54x_start_line_hook (void);
105 
106 #define md_estimate_size_before_relax(f,s) \
107 tic54x_estimate_size_before_relax(f,s)
108 extern int tic54x_estimate_size_before_relax(fragS *, segT);
109 
110 #define md_relax_frag(seg, f,s) tic54x_relax_frag(f,s)
111 extern int tic54x_relax_frag(fragS *, long);
112 
113 #define md_convert_frag(b,s,f)	tic54x_convert_frag(b,s,f)
114 extern void tic54x_convert_frag(bfd *, segT, fragS *);
115 
116 /* Other things we don't support...  */
117 
118 /* Define away the call to md_operand in the expression parsing code.
119    This is called whenever the expression parser can't parse the input
120    and gives the assembler backend a chance to deal with it instead.  */
121 
122 #define md_operand(X)
123 
124 /* spruce up the listing output */
125 #define LISTING_WORD_SIZE 2
126 
127 extern void tic54x_global (int);
128 
129 #endif
130