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)
43 endian_t2h_N(unsigned_N raw_in)
45 if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
49 _SWAP_N(return,raw_in);
56 endian_h2t_N(unsigned_N raw_in)
58 if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
62 _SWAP_N(return,raw_in);
69 swap_N(unsigned_N raw_in)
71 _SWAP_N(return,raw_in);
78 endian_h2be_N(unsigned_N raw_in)
80 if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
84 _SWAP_N(return,raw_in);
91 endian_be2h_N(unsigned_N raw_in)
93 if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
97 _SWAP_N(return,raw_in);
104 endian_h2le_N(unsigned_N raw_in)
106 if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
110 _SWAP_N(return,raw_in);
117 endian_le2h_N(unsigned_N raw_in)
119 if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
123 _SWAP_N(return,raw_in);
131 offset_N (unsigned_N *x,
132 unsigned sizeof_word,
137 unsigned offset = sizeof_word * word;
138 ASSERT (offset + sizeof_word <= sizeof(unsigned_N));
139 ASSERT (word < (sizeof (unsigned_N) / sizeof_word));
140 ASSERT ((sizeof (unsigned_N) % sizeof_word) == 0);
141 if (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN)
143 out = in + sizeof (unsigned_N) - offset - sizeof_word;
153 /* NOTE: See start of file for #define */