1/* tc-tic4x.h -- Assemble for the Texas TMS320C[34]X.
2   Copyright (C) 1997-2017 Free Software Foundation, Inc.
3
4   Contributed by Michael P. Hayes (m.hayes@elec.canterbury.ac.nz)
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 published by
10   the Free Software Foundation; either version 3, or (at your option)
11   any later version.
12
13   GAS is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   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
20   the Free Software Foundation, 51 Franklin Street - Fifth Floor,
21   Boston, MA 02110-1301, USA.  */
22
23#define TC_TIC4X
24#define TIC4X
25
26#define TARGET_ARCH bfd_arch_tic4x
27
28#define WORKING_DOT_WORD
29
30/* There are a number of different formats used for local labels.  gas
31   expects local labels either of the form `10$:' or `n:', where n is
32   a single digit.  When LOCAL_LABEL_DOLLARS is defined labels of the
33   form `10$:' are expected.  When LOCAL_LABEL_FB is defined labels of
34   the form `n:' are expected.  The latter are expected to be referred
35   to using `nf' for a forward reference of `nb' for a backward
36   reference.
37
38   The local labels expected by the TI tools are of the form `$n:',
39   where the colon is optional.  Now the $ character is considered to
40   be valid symbol name character, so gas doesn't recognise our local
41   symbols by default.  Defining LEX_DOLLAR to be 1 means that gas
42   won't allow labels starting with $ and thus the hook
43   tc_unrecognized_line() will be called from read.c.  We can thus
44   parse lines starting with $n as having local labels.
45
46   The other problem is the forward reference of local labels.  If a
47   symbol is undefined, symbol_make() calls the md_undefined_symbol()
48   hook where we create a local label if recognised.  */
49
50/* Don't stick labels starting with 'L' into symbol table of COFF file. */
51#define LOCAL_LABEL(name) ((name)[0] == '$' || (name)[0] == 'L')
52
53#define TARGET_BYTES_BIG_ENDIAN	0
54#define OCTETS_PER_BYTE_POWER 	2
55
56#define TARGET_ARCH		bfd_arch_tic4x
57
58#define TIC_NOP_OPCODE		0x0c800000
59
60#define reloc_type 		int
61
62#define NO_RELOC 		0
63
64/* '||' denotes parallel instruction */
65#define DOUBLEBAR_PARALLEL      1
66
67/* Labels are not required to have a colon for a suffix.  */
68#define LABELS_WITHOUT_COLONS 	1
69
70/* Use $ as the section program counter (SPC). */
71#define DOLLAR_DOT
72
73/* Accept numbers with a suffix, e.g. 0ffffh, 1010b.  */
74#define NUMBERS_WITH_SUFFIX 	1
75
76extern int tic4x_unrecognized_line (int);
77#define tc_unrecognized_line(c) tic4x_unrecognized_line (c)
78
79#define md_number_to_chars number_to_chars_littleendian
80
81extern int tic4x_do_align (int, const char *, int, int);
82#define md_do_align(n,fill,len,max,label) if( tic4x_do_align (n,fill,len,max) ) goto label;
83
84/* Start of line hook to remove parallel instruction operator || */
85extern void tic4x_start_line (void);
86#define md_start_line_hook() tic4x_start_line()
87
88extern void tic4x_cleanup (void);
89#define md_cleanup() tic4x_cleanup()
90
91extern void tic4x_end (void);
92#define md_end() tic4x_end()
93
94