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Either _ILP32 or _LP64 must be defined

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For some arm, powerpc, and sparc platforms it was possible that
neither _ILP32 of _LP64 would be defined.  Update the isa_defs.h
header to explicitly set these macros and generate a compile error
in the case neither are defined.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: tuxoko <tuxoko@gmail.com>
Issue zfsonlinux/zfs#4048
This commit is contained in:
Brian Behlendorf 2015-12-09 14:46:59 -08:00
parent c5a8b1e163
commit 225c110675
1 changed files with 31 additions and 11 deletions
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42
include/sys/isa_defs.h
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@ -60,7 +60,7 @@
#endif
/* powerpc (ppc64) arch specific defines */
#elif defined(__powerpc) || defined(__powerpc__)
#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__)
#if !defined(__powerpc)
#define __powerpc
@ -70,9 +70,15 @@
#define __powerpc__
#endif
#if defined(__powerpc64__)
#if !defined(_LP64)
#define _LP64
#endif
#else
#if !defined(_ILP32)
#define _ILP32
#endif
#endif
/* arm arch specific defines */
#elif defined(__arm) || defined(__arm__) || defined(__aarch64__)
@ -85,6 +91,16 @@
#define __arm__
#endif
#if defined(__aarch64__)
#if !defined(_LP64)
#define _LP64
#endif
#else
#if !defined(_ILP32)
#define _ILP32
#endif
#endif
#if defined(__ARMEL__) || defined(__AARCH64EL__)
#define _LITTLE_ENDIAN
#else
@ -102,18 +118,18 @@
#define __sparc__
#endif
#define _BIG_ENDIAN
#define _SUNOS_VTOC_16
/* sparc64 arch specific defines */
#elif defined(__sparc64) || defined(__sparc64__)
#if !defined(__sparc64)
#define __sparc64
#if !defined(_ILP32)
#define _ILP32
#endif
#if !defined(__sparc64__)
#define __sparc64__
#if defined(__arch64__)
#if !defined(_LP64)
#define _LP64
#endif
#else
#if !defined(_ILP32)
#define _ILP32
#endif
#endif
#define _BIG_ENDIAN
@ -127,6 +143,10 @@
#error "Both _ILP32 and _LP64 are defined"
#endif
#if !defined(_ILP32) && !defined(_LP64)
#error "Neither _ILP32 or _LP64 are defined"
#endif
#include <sys/byteorder.h>
#if defined(__LITTLE_ENDIAN) && !defined(_LITTLE_ENDIAN)