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common: some minor changes to arch.h

This commit is contained in:
Jay Sorg 2014-08-12 20:01:33 -07:00
parent 23b2822cfb
commit 75874b3f7a
1 changed files with 22 additions and 4 deletions
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26
common/arch.h
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@ -19,17 +19,35 @@
#if !defined(ARCH_H)
#define ARCH_H
#include <endian.h>
/* you can define L_ENDIAN or B_ENDIAN and NEED_ALIGN or NO_NEED_ALIGN
in the makefile to override */
#if !(defined(L_ENDIAN) || defined(B_ENDIAN))
/* check endianess */
#if defined(__sparc__) || defined(__PPC__) || defined(__ppc__) || \
defined(__hppa__) || (BYTE_ORDER == BIG_ENDIAN)
#if !(defined(L_ENDIAN) || defined(B_ENDIAN))
#if !defined(__BYTE_ORDER) && defined(__linux__)
#include <endian.h>
#endif
#if defined(BYTE_ORDER)
#if BYTE_ORDER == BIG_ENDIAN
#define B_ENDIAN
#else
#define L_ENDIAN
#endif
#endif
#if !(defined(L_ENDIAN) || defined(B_ENDIAN))
#if defined(__sparc__) || defined(__PPC__) || defined(__ppc__) || \
defined(__hppa__)
#define B_ENDIAN
#else
#define L_ENDIAN
#endif
#endif
#endif
/* check if we need to align data */
#if !(defined(NEED_ALIGN) || defined(NO_NEED_ALIGN))
#if defined(__sparc__) || defined(__alpha__) || defined(__hppa__) || \
defined(__AIX__) || defined(__PPC__) || defined(__mips__) || \
defined(__ia64__) || defined(__ppc__) || defined(__arm__)