| 1 | /* This file is part of the program psim. |
| 2 | |
| 3 | Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> |
| 4 | |
| 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. |
| 9 | |
| 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. |
| 14 | |
| 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. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | #ifndef N |
| 23 | #error "N must be #defined" |
| 24 | #endif |
| 25 | |
| 26 | #include "symcat.h" |
| 27 | |
| 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) |
| 39 | |
| 40 | /* TAGS: endian_t2h_1 endian_t2h_2 endian_t2h_4 endian_t2h_8 endian_t2h_16 */ |
| 41 | |
| 42 | INLINE_SIM_ENDIAN\ |
| 43 | (unsigned_N) |
| 44 | endian_t2h_N(unsigned_N raw_in) |
| 45 | { |
| 46 | if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) { |
| 47 | return raw_in; |
| 48 | } |
| 49 | else { |
| 50 | _SWAP_N(return,raw_in); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | /* TAGS: endian_h2t_1 endian_h2t_2 endian_h2t_4 endian_h2t_8 endian_h2t_16 */ |
| 55 | |
| 56 | INLINE_SIM_ENDIAN\ |
| 57 | (unsigned_N) |
| 58 | endian_h2t_N(unsigned_N raw_in) |
| 59 | { |
| 60 | if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) { |
| 61 | return raw_in; |
| 62 | } |
| 63 | else { |
| 64 | _SWAP_N(return,raw_in); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | /* TAGS: swap_1 swap_2 swap_4 swap_8 swap_16 */ |
| 69 | |
| 70 | INLINE_SIM_ENDIAN\ |
| 71 | (unsigned_N) |
| 72 | swap_N(unsigned_N raw_in) |
| 73 | { |
| 74 | _SWAP_N(return,raw_in); |
| 75 | } |
| 76 | |
| 77 | /* TAGS: endian_h2be_1 endian_h2be_2 endian_h2be_4 endian_h2be_8 endian_h2be_16 */ |
| 78 | |
| 79 | INLINE_SIM_ENDIAN\ |
| 80 | (unsigned_N) |
| 81 | endian_h2be_N(unsigned_N raw_in) |
| 82 | { |
| 83 | if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) { |
| 84 | return raw_in; |
| 85 | } |
| 86 | else { |
| 87 | _SWAP_N(return,raw_in); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | /* TAGS: endian_be2h_1 endian_be2h_2 endian_be2h_4 endian_be2h_8 endian_be2h_16 */ |
| 92 | |
| 93 | INLINE_SIM_ENDIAN\ |
| 94 | (unsigned_N) |
| 95 | endian_be2h_N(unsigned_N raw_in) |
| 96 | { |
| 97 | if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) { |
| 98 | return raw_in; |
| 99 | } |
| 100 | else { |
| 101 | _SWAP_N(return,raw_in); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | /* TAGS: endian_h2le_1 endian_h2le_2 endian_h2le_4 endian_h2le_8 endian_h2le_16 */ |
| 106 | |
| 107 | INLINE_SIM_ENDIAN\ |
| 108 | (unsigned_N) |
| 109 | endian_h2le_N(unsigned_N raw_in) |
| 110 | { |
| 111 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) { |
| 112 | return raw_in; |
| 113 | } |
| 114 | else { |
| 115 | _SWAP_N(return,raw_in); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | /* TAGS: endian_le2h_1 endian_le2h_2 endian_le2h_4 endian_le2h_8 endian_le2h_16 */ |
| 120 | |
| 121 | INLINE_SIM_ENDIAN\ |
| 122 | (unsigned_N) |
| 123 | endian_le2h_N(unsigned_N raw_in) |
| 124 | { |
| 125 | if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) { |
| 126 | return raw_in; |
| 127 | } |
| 128 | else { |
| 129 | _SWAP_N(return,raw_in); |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | /* TAGS: offset_1 offset_2 offset_4 offset_8 offset_16 */ |
| 134 | |
| 135 | INLINE_SIM_ENDIAN\ |
| 136 | (void*) |
| 137 | offset_N (unsigned_N *x, |
| 138 | unsigned sizeof_word, |
| 139 | unsigned word) |
| 140 | { |
| 141 | char *in = (char*)x; |
| 142 | char *out; |
| 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) |
| 148 | { |
| 149 | out = in + sizeof (unsigned_N) - offset - sizeof_word; |
| 150 | } |
| 151 | else |
| 152 | { |
| 153 | out = in + offset; |
| 154 | } |
| 155 | return out; |
| 156 | } |
| 157 | |
| 158 | |
| 159 | /* NOTE: See start of file for #define */ |
| 160 | #undef unsigned_N |
| 161 | #undef endian_t2h_N |
| 162 | #undef endian_h2t_N |
| 163 | #undef _SWAP_N |
| 164 | #undef swap_N |
| 165 | #undef endian_h2be_N |
| 166 | #undef endian_be2h_N |
| 167 | #undef endian_h2le_N |
| 168 | #undef endian_le2h_N |
| 169 | #undef offset_N |