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This commit is contained in:
Jeff Hill
2007-08-27 22:16:30 +00:00
parent c9722c3061
commit cd43e09eee
2 changed files with 74 additions and 0 deletions
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16
src/libCom/osi/os/WIN32/osdWireConfig.h Normal file
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//
// WIN32 version of
// osdWireConfig.h
//
// Author Jeffrey O. Hill
// johill@lanl.gov
//
#ifndef osdWireConfig_h
#define osdWireConfig_h
// for now, assume that win32 runs only on generic little endian
#define EPICS_BYTE_ORDER EPICS_ENDIAN_LITTLE
#define EPICS_FLOAT_WORD_ORDER EPICS_BYTE_ORDER
#endif // ifdef osdWireConfig_h

58
src/libCom/osi/os/default/osdWireConfig.h Normal file
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//
// Default version of osdWireConfig.h that might
// work on UNIX like systems that define <sys/param.h>
//
// Author Jeffrey O. Hill
// johill@lanl.gov
//
#ifndef osdWireConfig_h
#define osdWireConfig_h
// if compilation fails because this wasnt found then you may need to define an OS
// specific osdWireConfig.h
#include <sys/param.h>
#ifdef __BYTE_ORDER
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define EPICS_BYTE_ORDER EPICS_ENDIAN_LITTLE
# elif __BYTE_ORDER == __BIG_ENDIAN
# define EPICS_BYTE_ORDER EPICS_ENDIAN_BIG
# else
# error EPICS hasn’t been ported to run on the <sys/param.h> specified __BYTE_ORDER
# endif
#else
# ifdef BYTE_ORDER
# if BYTE_ORDER == LITTLE_ENDIAN
# define EPICS_BYTE_ORDER EPICS_ENDIAN_LITTLE
# elif BYTE_ORDER == BIG_ENDIAN
# define EPICS_BYTE_ORDER EPICS_ENDIAN_BIG
# else
# error EPICS hasn’t been ported to run on the <sys/param.h> specified BYTE_ORDER
# endif
# else
# error <sys/param.h> doesnt specify __BYTE_ORDER or BYTE_ORDER - is an OS specific osdWireConfig.h needed?
# endif
#endif
#ifdef __FLOAT_WORD_ORDER
# if __FLOAT_WORD_ORDER == __LITTLE_ENDIAN
# define EPICS_FLOAT_WORD_ORDER EPICS_ENDIAN_LITTLE
# elif __FLOAT_WORD_ORDER == __BIG_ENDIAN
# define EPICS_FLOAT_WORD_ORDER EPICS_ENDIAN_BIG
# else
# error EPICS hasn’t been ported to <sys/param.h> specified __FLOAT_WORD_ORDER
# endif
#else
# if FLOAT_WORD_ORDER == LITTLE_ENDIAN
# define EPICS_FLOAT_WORD_ORDER EPICS_ENDIAN_LITTLE
# elif FLOAT_WORD_ORDER == BIG_ENDIAN
# define EPICS_FLOAT_WORD_ORDER EPICS_ENDIAN_BIG
# else
// make the assumption that if __FLOAT_WORD_ORDER and FLOAT_WORD_ORDER
// arent defined then weird fp ordered archs like arm nwfp aren't supported
# define EPICS_FLOAT_WORD_ORDER EPICS_BYTE_ORDER
# endif
#endif
#endif // ifdef osdWireConfig_h