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x32: Check __ILP32__ instead of __LP64__ for x32

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Check __LP64__ isn't a reliable way to tell if we are compiling for x32
since __LP64__ isnn't specified by x86-64 psABI.  Not all x86-64
compilers define __LP64__, which was added to GCC 3.3. The updated x32
psABI:

https://sites.google.com/site/x32abi/documents

definse _ILP32 and __ILP32__ for x32.  GCC trunk and 4.7 branch have
been updated to define _ILP32 and __ILP32__ for x32.  This patch
replaces __LP64__ check with __ILP32__.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H.J. Lu 2012-04-23 14:51:14 -07:00 committed by H. Peter Anvin
parent cd74257b97
commit 98e5272fe7
3 changed files with 7 additions and 7 deletions
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6
arch/x86/include/asm/posix_types.h
View File

@ -7,9 +7,9 @@
#else
# ifdef __i386__
# include "posix_types_32.h"
# elif defined(__LP64__)
# include "posix_types_64.h"
# else
# elif defined(__ILP32__)
# include "posix_types_x32.h"
# else
# include "posix_types_64.h"
# endif
#endif

2
arch/x86/include/asm/sigcontext.h
View File

@ -257,7 +257,7 @@ struct sigcontext {
__u64 oldmask;
__u64 cr2;
struct _fpstate __user *fpstate; /* zero when no FPU context */
#ifndef __LP64__
#ifdef __ILP32__
__u32 __fpstate_pad;
#endif
__u64 reserved1[8];

6
arch/x86/include/asm/unistd.h
View File

@ -63,10 +63,10 @@
#else
# ifdef __i386__
# include <asm/unistd_32.h>
# elif defined(__LP64__)
# include <asm/unistd_64.h>
# else
# elif defined(__ILP32__)
# include <asm/unistd_x32.h>
# else
# include <asm/unistd_64.h>
# endif
#endif