1 | /*␊ |
2 | * klibc/endian.h␊ |
3 | *␊ |
4 | * Like <endian.h>, but export only double-underscore symbols␊ |
5 | */␊ |
6 | ␊ |
7 | #ifndef _KLIBC_ENDIAN_H␊ |
8 | #define _KLIBC_ENDIAN_H␊ |
9 | ␊ |
10 | #include <klibc/compiler.h>␊ |
11 | #include <asm/byteorder.h>␊ |
12 | ␊ |
13 | /* Linux' asm/byteorder.h defines either __LITTLE_ENDIAN or␊ |
14 | __BIG_ENDIAN, but the glibc/BSD-ish macros expect both to be␊ |
15 | defined with __BYTE_ORDER defining which is actually used... */␊ |
16 | ␊ |
17 | #if defined(__LITTLE_ENDIAN)␊ |
18 | # undef __LITTLE_ENDIAN␊ |
19 | # define __LITTLE_ENDIAN 1234␊ |
20 | # define __BIG_ENDIAN 4321␊ |
21 | # define __PDP_ENDIAN 3412␊ |
22 | # define __BYTE_ORDER __LITTLE_ENDIAN␊ |
23 | #elif defined(__BIG_ENDIAN)␊ |
24 | # undef __BIG_ENDIAN␊ |
25 | # define __LITTLE_ENDIAN 1234␊ |
26 | # define __BIG_ENDIAN 4321␊ |
27 | # define __PDP_ENDIAN 3412␊ |
28 | # define __BYTE_ORDER __BIG_ENDIAN␊ |
29 | #elif defined(__PDP_ENDIAN)␊ |
30 | # undef __PDP_ENDIAN␊ |
31 | # define __LITTLE_ENDIAN 1234␊ |
32 | # define __BIG_ENDIAN 4321␊ |
33 | # define __PDP_ENDIAN 3412␊ |
34 | # define __BYTE_ORDER __PDP_ENDIAN␊ |
35 | #else␊ |
36 | # error "Unknown byte order!"␊ |
37 | #endif␊ |
38 | ␊ |
39 | #endif␉␉␉␉/* _KLIBC_ENDIAN_H */␊ |
40 | |