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dd6f7e0f MD |
1 | #ifndef _BABELTRACE_ENDIAN_H |
2 | #define _BABELTRACE_ENDIAN_H | |
3 | ||
4 | /* | |
5 | * babeltrace/endian.h | |
6 | * | |
7 | * Copyright 2012 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
8 | * | |
9 | * endian.h compatibility layer. | |
10 | * | |
eb31c5e6 MD |
11 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
12 | * of this software and associated documentation files (the "Software"), to deal | |
13 | * in the Software without restriction, including without limitation the rights | |
14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
15 | * copies of the Software, and to permit persons to whom the Software is | |
16 | * furnished to do so, subject to the following conditions: | |
dd6f7e0f | 17 | * |
eb31c5e6 MD |
18 | * The above copyright notice and this permission notice shall be included in |
19 | * all copies or substantial portions of the Software. | |
c462e188 MD |
20 | * |
21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
22 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
23 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
24 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
25 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
26 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
27 | * SOFTWARE. | |
dd6f7e0f MD |
28 | */ |
29 | ||
94fe441c | 30 | #ifdef __FreeBSD__ |
dd6f7e0f | 31 | #include <machine/endian.h> |
a0b720b2 MJ |
32 | |
33 | #elif defined(__sun__) | |
34 | #include <sys/byteorder.h> | |
35 | ||
36 | #ifndef __BIG_ENDIAN | |
37 | #define __BIG_ENDIAN 4321 | |
38 | #endif | |
39 | #ifndef __LITTLE_ENDIAN | |
40 | #define __LITTLE_ENDIAN 1234 | |
41 | #endif | |
42 | ||
43 | #ifdef _LITTLE_ENDIAN | |
44 | #define __BYTE_ORDER __LITTLE_ENDIAN | |
45 | #endif | |
46 | ||
47 | #ifdef _BIG_ENDIAN | |
48 | #define __BYTE_ORDER __BIG_ENDIAN | |
49 | #endif | |
50 | ||
51 | #define LITTLE_ENDIAN __LITTLE_ENDIAN | |
52 | #define BIG_ENDIAN __BIG_ENDIAN | |
53 | #define BYTE_ORDER __BYTE_ORDER | |
54 | ||
55 | #define betoh16(x) BE_16(x) | |
56 | #define letoh16(x) LE_16(x) | |
57 | #define betoh32(x) BE_32(x) | |
58 | #define letoh32(x) LE_32(x) | |
59 | #define betoh64(x) BE_64(x) | |
60 | #define letoh64(x) LE_64(x) | |
61 | #define htobe16(x) BE_16(x) | |
62 | #define be16toh(x) BE_16(x) | |
63 | #define htobe32(x) BE_32(x) | |
64 | #define be32toh(x) BE_32(x) | |
65 | #define htobe64(x) BE_64(x) | |
66 | #define be64toh(x) BE_64(x) | |
67 | ||
1b168db0 | 68 | #elif defined(__MINGW32__) |
abaa54b6 MJ |
69 | #include <stdint.h> |
70 | ||
1b168db0 JI |
71 | #ifndef __BIG_ENDIAN |
72 | #define __BIG_ENDIAN 4321 | |
73 | #endif | |
74 | #ifndef __LITTLE_ENDIAN | |
75 | #define __LITTLE_ENDIAN 1234 | |
76 | #endif | |
77 | ||
78 | #ifndef __BYTE_ORDER | |
79 | #define __BYTE_ORDER __LITTLE_ENDIAN | |
80 | #endif | |
81 | ||
82 | #define LITTLE_ENDIAN __LITTLE_ENDIAN | |
83 | #define BIG_ENDIAN __BIG_ENDIAN | |
84 | #define PDP_ENDIAN __PDP_ENDIAN | |
85 | #define BYTE_ORDER __BYTE_ORDER | |
39ee48e5 | 86 | |
abaa54b6 MJ |
87 | #define htobe16(x) (uint16_t) _byteswap_ushort(x) |
88 | #define htole16(x) (x) | |
89 | #define be16toh(x) (uint16_t) _byteswap_ushort(x) | |
90 | #define le16toh(x) (x) | |
91 | ||
92 | #define htobe32(x) (uint32_t) _byteswap_ulong(x) | |
93 | #define htole32(x) (x) | |
94 | #define be32toh(x) (uint32_t) _byteswap_ulong(x) | |
95 | #define le32toh(x) (x) | |
96 | ||
97 | #define htobe64(x) (uint64_t) _byteswap_uint64(x) | |
98 | #define htole64(x) (x) | |
99 | #define be64toh(x) (uint64_t) _byteswap_uint64(x) | |
100 | #define le64toh(x) (x) | |
101 | ||
39ee48e5 AM |
102 | #elif defined(__APPLE__) |
103 | # include <machine/endian.h> | |
104 | # include <libkern/OSByteOrder.h> | |
105 | ||
106 | # if BYTE_ORDER == LITTLE_ENDIAN | |
107 | # define htobe16(x) OSSwapConstInt16(x) | |
108 | # define htole16(x) (x) | |
109 | # define be16toh(x) OSSwapConstInt16(x) | |
110 | # define le16toh(x) (x) | |
111 | ||
112 | # define htobe32(x) OSSwapConstInt32(x) | |
113 | # define htole32(x) (x) | |
114 | # define be32toh(x) OSSwapConstInt32(x) | |
115 | # define le32toh(x) (x) | |
116 | ||
117 | # define htobe64(x) OSSwapConstInt64(x) | |
118 | # define htole64(x) (x) | |
119 | # define be64toh(x) OSSwapConstInt64(x) | |
120 | # define le64toh(x) (x) | |
121 | ||
122 | # else /* BYTE_ORDER == LITTLE_ENDIAN */ | |
123 | # define htobe16(x) (x) | |
124 | # define htole16(x) OSSwapConstInt16(x) | |
125 | # define be16toh(x) (x) | |
126 | # define le16toh(x) OSSwapConstInt16(x) | |
127 | ||
128 | # define htobe32(x) (x) | |
129 | # define htole32(x) OSSwapConstInt32(x) | |
130 | # define be32toh(x) (x) | |
131 | # define le32toh(x) OSSwapConstInt32(x) | |
132 | ||
133 | # define htobe64(x) (x) | |
134 | # define htole64(x) OSSwapConstInt64(x) | |
135 | # define be64toh(x) (x) | |
136 | # define le64toh(x) OSSwapConstInt64(x) | |
137 | # endif | |
138 | ||
dd6f7e0f | 139 | #else |
94fe441c | 140 | #include <endian.h> |
62f11f74 JD |
141 | |
142 | /* | |
143 | * htobe/betoh are not defined for glibc < 2.9, so add them explicitly | |
144 | * if they are missing. | |
145 | */ | |
146 | # ifdef __USE_BSD | |
147 | /* Conversion interfaces. */ | |
148 | # include <byteswap.h> | |
149 | ||
150 | # if __BYTE_ORDER == __LITTLE_ENDIAN | |
151 | # ifndef htobe16 | |
152 | # define htobe16(x) __bswap_16(x) | |
153 | # endif | |
154 | # ifndef htole16 | |
155 | # define htole16(x) (x) | |
156 | # endif | |
157 | # ifndef be16toh | |
158 | # define be16toh(x) __bswap_16(x) | |
159 | # endif | |
160 | # ifndef le16toh | |
161 | # define le16toh(x) (x) | |
162 | # endif | |
163 | ||
164 | # ifndef htobe32 | |
165 | # define htobe32(x) __bswap_32(x) | |
166 | # endif | |
167 | # ifndef htole32 | |
168 | # define htole32(x) (x) | |
169 | # endif | |
170 | # ifndef be32toh | |
171 | # define be32toh(x) __bswap_32(x) | |
172 | # endif | |
173 | # ifndef le32toh | |
174 | # define le32toh(x) (x) | |
175 | # endif | |
176 | ||
177 | # ifndef htobe64 | |
178 | # define htobe64(x) __bswap_64(x) | |
179 | # endif | |
180 | # ifndef htole64 | |
181 | # define htole64(x) (x) | |
182 | # endif | |
183 | # ifndef be64toh | |
184 | # define be64toh(x) __bswap_64(x) | |
185 | # endif | |
186 | # ifndef le64toh | |
187 | # define le64toh(x) (x) | |
188 | # endif | |
189 | ||
190 | # else /* __BYTE_ORDER == __LITTLE_ENDIAN */ | |
191 | # ifndef htobe16 | |
192 | # define htobe16(x) (x) | |
193 | # endif | |
194 | # ifndef htole16 | |
195 | # define htole16(x) __bswap_16(x) | |
196 | # endif | |
197 | # ifndef be16toh | |
198 | # define be16toh(x) (x) | |
199 | # endif | |
200 | # ifndef le16toh | |
201 | # define le16toh(x) __bswap_16(x) | |
202 | # endif | |
203 | ||
204 | # ifndef htobe32 | |
205 | # define htobe32(x) (x) | |
206 | # endif | |
207 | # ifndef htole32 | |
208 | # define htole32(x) __bswap_32(x) | |
209 | # endif | |
210 | # ifndef be32toh | |
211 | # define be32toh(x) (x) | |
212 | # endif | |
213 | # ifndef le32toh | |
214 | # define le32toh(x) __bswap_32(x) | |
215 | # endif | |
216 | ||
217 | # ifndef htobe64 | |
218 | # define htobe64(x) (x) | |
219 | # endif | |
220 | # ifndef htole64 | |
221 | # define htole64(x) __bswap_64(x) | |
222 | # endif | |
223 | # ifndef be64toh | |
224 | # define be64toh(x) (x) | |
225 | # endif | |
226 | # ifndef le64toh | |
227 | # define le64toh(x) __bswap_64(x) | |
228 | # endif | |
229 | ||
230 | # endif /* __BYTE_ORDER == __LITTLE_ENDIAN */ | |
231 | # endif /* __USE_BSD */ | |
232 | #endif /* else -- __FreeBSD__ */ | |
dd6f7e0f MD |
233 | |
234 | #ifndef FLOAT_WORD_ORDER | |
235 | #ifdef __FLOAT_WORD_ORDER | |
236 | #define FLOAT_WORD_ORDER __FLOAT_WORD_ORDER | |
237 | #else /* __FLOAT_WORD_ORDER */ | |
238 | #define FLOAT_WORD_ORDER BYTE_ORDER | |
239 | #endif /* __FLOAT_WORD_ORDER */ | |
240 | #endif /* FLOAT_WORD_ORDER */ | |
241 | ||
3f5808e5 | 242 | #if (BYTE_ORDER == BIG_ENDIAN) |
50842bdc | 243 | # define BT_MY_BYTE_ORDER BT_BYTE_ORDER_BIG_ENDIAN |
3f5808e5 | 244 | #else |
50842bdc | 245 | # define BT_MY_BYTE_ORDER BT_BYTE_ORDER_LITTLE_ENDIAN |
3f5808e5 PP |
246 | #endif |
247 | ||
dd6f7e0f | 248 | #endif /* _BABELTRACE_ENDIAN_H */ |