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Add support for little-endian compilations to this file.

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This commit is contained in:
Marcel Moolenaar 2008-10-30 03:31:33 +00:00
parent 28e4b62bbe
commit 636f2ebf67
1 changed files with 15 additions and 1 deletions
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16
sys/powerpc/include/endian.h
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@ -43,16 +43,30 @@
#define _QUAD_HIGHWORD 0
#define _QUAD_LOWWORD 1
/*
* GCC defines _BIG_ENDIAN and _LITTLE_ENDIAN equal to __BIG_ENDIAN__
* and __LITTLE_ENDIAN__ (resp).
*/
#ifdef _BIG_ENDIAN
#undef _BIG_ENDIAN
#endif
#ifdef _LITTLE_ENDIAN
#undef _LITTLE_ENDIAN
#endif
/*
* Definitions for byte order, according to byte significance from low
* address to high.
*/
#undef _BIG_ENDIAN /* GCC annoyingly defines this for PowerPC */
#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
#define _PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
#ifdef __LITTLE_ENDIAN__
#define _BYTE_ORDER _LITTLE_ENDIAN
#else
#define _BYTE_ORDER _BIG_ENDIAN
#endif
/*
* Deprecated variants that don't have enough underscores to be useful in more