1 /* The common simulator framework for GDB, the GNU Debugger. 2 3 Copyright 2002-2024 Free Software Foundation, Inc. 4 5 Contributed by Andrew Cagney and Red Hat. 6 7 This file is part of GDB. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 21 22 23 #ifndef N 24 #error "N must be #defined" 25 #endif 26 27 #include "symcat.h" 28 29 /* NOTE: See end of file for #undef */ 30 #define unsigned_N XCONCAT2(unsigned_,N) 31 #define endian_t2h_N XCONCAT2(endian_t2h_,N) 32 #define endian_h2t_N XCONCAT2(endian_h2t_,N) 33 #define _SWAP_N XCONCAT2(_SWAP_,N) 34 #define swap_N XCONCAT2(swap_,N) 35 #define endian_h2be_N XCONCAT2(endian_h2be_,N) 36 #define endian_be2h_N XCONCAT2(endian_be2h_,N) 37 #define endian_h2le_N XCONCAT2(endian_h2le_,N) 38 #define endian_le2h_N XCONCAT2(endian_le2h_,N) 39 #define offset_N XCONCAT2(offset_,N) 40 41 /* TAGS: endian_t2h_1 endian_t2h_2 endian_t2h_4 endian_t2h_8 endian_t2h_16 */ 42 43 INLINE_SIM_ENDIAN\ 44 (unsigned_N) 45 endian_t2h_N(unsigned_N raw_in) 46 { 47 if (CURRENT_TARGET_BYTE_ORDER == HOST_BYTE_ORDER) { 48 return raw_in; 49 } 50 else { 51 _SWAP_N(return,raw_in); 52 } 53 } 54 55 /* TAGS: endian_h2t_1 endian_h2t_2 endian_h2t_4 endian_h2t_8 endian_h2t_16 */ 56 57 INLINE_SIM_ENDIAN\ 58 (unsigned_N) 59 endian_h2t_N(unsigned_N raw_in) 60 { 61 if (CURRENT_TARGET_BYTE_ORDER == HOST_BYTE_ORDER) { 62 return raw_in; 63 } 64 else { 65 _SWAP_N(return,raw_in); 66 } 67 } 68 69 /* TAGS: swap_1 swap_2 swap_4 swap_8 swap_16 */ 70 71 INLINE_SIM_ENDIAN\ 72 (unsigned_N) 73 swap_N(unsigned_N raw_in) 74 { 75 _SWAP_N(return,raw_in); 76 } 77 78 /* TAGS: endian_h2be_1 endian_h2be_2 endian_h2be_4 endian_h2be_8 endian_h2be_16 */ 79 80 INLINE_SIM_ENDIAN\ 81 (unsigned_N) 82 endian_h2be_N(unsigned_N raw_in) 83 { 84 if (HOST_BYTE_ORDER == BFD_ENDIAN_BIG) { 85 return raw_in; 86 } 87 else { 88 _SWAP_N(return,raw_in); 89 } 90 } 91 92 /* TAGS: endian_be2h_1 endian_be2h_2 endian_be2h_4 endian_be2h_8 endian_be2h_16 */ 93 94 INLINE_SIM_ENDIAN\ 95 (unsigned_N) 96 endian_be2h_N(unsigned_N raw_in) 97 { 98 if (HOST_BYTE_ORDER == BFD_ENDIAN_BIG) { 99 return raw_in; 100 } 101 else { 102 _SWAP_N(return,raw_in); 103 } 104 } 105 106 /* TAGS: endian_h2le_1 endian_h2le_2 endian_h2le_4 endian_h2le_8 endian_h2le_16 */ 107 108 INLINE_SIM_ENDIAN\ 109 (unsigned_N) 110 endian_h2le_N(unsigned_N raw_in) 111 { 112 if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) { 113 return raw_in; 114 } 115 else { 116 _SWAP_N(return,raw_in); 117 } 118 } 119 120 /* TAGS: endian_le2h_1 endian_le2h_2 endian_le2h_4 endian_le2h_8 endian_le2h_16 */ 121 122 INLINE_SIM_ENDIAN\ 123 (unsigned_N) 124 endian_le2h_N(unsigned_N raw_in) 125 { 126 if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) { 127 return raw_in; 128 } 129 else { 130 _SWAP_N(return,raw_in); 131 } 132 } 133 134 /* TAGS: offset_1 offset_2 offset_4 offset_8 offset_16 */ 135 136 INLINE_SIM_ENDIAN\ 137 (void*) 138 offset_N (unsigned_N *x, 139 unsigned sizeof_word, 140 unsigned word) 141 { 142 char *in = (char*)x; 143 char *out; 144 unsigned offset = sizeof_word * word; 145 ASSERT (offset + sizeof_word <= sizeof(unsigned_N)); 146 ASSERT (word < (sizeof (unsigned_N) / sizeof_word)); 147 ASSERT ((sizeof (unsigned_N) % sizeof_word) == 0); 148 if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) 149 { 150 out = in + sizeof (unsigned_N) - offset - sizeof_word; 151 } 152 else 153 { 154 out = in + offset; 155 } 156 return out; 157 } 158 159 160 /* NOTE: See start of file for #define */ 161 #undef unsigned_N 162 #undef endian_t2h_N 163 #undef endian_h2t_N 164 #undef _SWAP_N 165 #undef swap_N 166 #undef endian_h2be_N 167 #undef endian_be2h_N 168 #undef endian_h2le_N 169 #undef endian_le2h_N 170 #undef offset_N 171