1 /* This file is part of the program psim.
3 Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #error "N must be #defined"
28 /* NOTE: See end of file for #undef */
29 #define unsigned_N XCONCAT2(unsigned_,N)
30 #define endian_t2h_N XCONCAT2(endian_t2h_,N)
31 #define endian_h2t_N XCONCAT2(endian_h2t_,N)
32 #define _SWAP_N XCONCAT2(_SWAP_,N)
33 #define swap_N XCONCAT2(swap_,N)
34 #define endian_h2be_N XCONCAT2(endian_h2be_,N)
35 #define endian_be2h_N XCONCAT2(endian_be2h_,N)
36 #define endian_h2le_N XCONCAT2(endian_h2le_,N)
37 #define endian_le2h_N XCONCAT2(endian_le2h_,N)
38 #define offset_N XCONCAT2(offset_,N)
40 /* TAGS: endian_t2h_1 endian_t2h_2 endian_t2h_4 endian_t2h_8 endian_t2h_16 */
44 endian_t2h_N(unsigned_N raw_in
)
46 if (CURRENT_TARGET_BYTE_ORDER
== CURRENT_HOST_BYTE_ORDER
) {
50 _SWAP_N(return,raw_in
);
54 /* TAGS: endian_h2t_1 endian_h2t_2 endian_h2t_4 endian_h2t_8 endian_h2t_16 */
58 endian_h2t_N(unsigned_N raw_in
)
60 if (CURRENT_TARGET_BYTE_ORDER
== CURRENT_HOST_BYTE_ORDER
) {
64 _SWAP_N(return,raw_in
);
68 /* TAGS: swap_1 swap_2 swap_4 swap_8 swap_16 */
72 swap_N(unsigned_N raw_in
)
74 _SWAP_N(return,raw_in
);
77 /* TAGS: endian_h2be_1 endian_h2be_2 endian_h2be_4 endian_h2be_8 endian_h2be_16 */
81 endian_h2be_N(unsigned_N raw_in
)
83 if (CURRENT_HOST_BYTE_ORDER
== BIG_ENDIAN
) {
87 _SWAP_N(return,raw_in
);
91 /* TAGS: endian_be2h_1 endian_be2h_2 endian_be2h_4 endian_be2h_8 endian_be2h_16 */
95 endian_be2h_N(unsigned_N raw_in
)
97 if (CURRENT_HOST_BYTE_ORDER
== BIG_ENDIAN
) {
101 _SWAP_N(return,raw_in
);
105 /* TAGS: endian_h2le_1 endian_h2le_2 endian_h2le_4 endian_h2le_8 endian_h2le_16 */
109 endian_h2le_N(unsigned_N raw_in
)
111 if (CURRENT_HOST_BYTE_ORDER
== LITTLE_ENDIAN
) {
115 _SWAP_N(return,raw_in
);
119 /* TAGS: endian_le2h_1 endian_le2h_2 endian_le2h_4 endian_le2h_8 endian_le2h_16 */
123 endian_le2h_N(unsigned_N raw_in
)
125 if (CURRENT_HOST_BYTE_ORDER
== LITTLE_ENDIAN
) {
129 _SWAP_N(return,raw_in
);
133 /* TAGS: offset_1 offset_2 offset_4 offset_8 offset_16 */
137 offset_N (unsigned_N
*x
,
138 unsigned sizeof_word
,
143 unsigned offset
= sizeof_word
* word
;
144 ASSERT (offset
+ sizeof_word
<= sizeof(unsigned_N
));
145 ASSERT (word
< (sizeof (unsigned_N
) / sizeof_word
));
146 ASSERT ((sizeof (unsigned_N
) % sizeof_word
) == 0);
147 if (WITH_HOST_BYTE_ORDER
== LITTLE_ENDIAN
)
149 out
= in
+ sizeof (unsigned_N
) - offset
- sizeof_word
;
159 /* NOTE: See start of file for #define */