glibc/sysdeps/x86/bits/wordsize.h

/* Determine the wordsize from the preprocessor defines.  */

#if defined __x86_64__ && !defined __ILP32__
# define __WORDSIZE	64
#else
# define __WORDSIZE	32
#endif

#ifdef __x86_64__
# define __WORDSIZE_TIME64_COMPAT32	1
/* Both x86-64 and x32 use the 64-bit system call interface.  */
# define __SYSCALL_WORDSIZE		64
#endif
Update. * sysdeps/x86_64/bits/wordsize.h: New file. 2002-03-03 19:45:53 +00:00			`/* Determine the wordsize from the preprocessor defines. */`

Add __ILP32__ check when defining __WORDSIZE 2012-04-13 23:17:14 +00:00			`#if defined __x86_64__ && !defined __ILP32__`
Update. * sysdeps/x86_64/bits/wordsize.h: New file. 2002-03-03 19:45:53 +00:00			`# define __WORDSIZE 64`
			`#else`
			`# define __WORDSIZE 32`
			`#endif`
Define __SYSCALL_WORDSIZE for x86-64 2012-05-21 18:45:16 +00:00
			`#ifdef __x86_64__`
Rename __WORDSIZE_COMPAT32 to __WORDSIZE_TIME64_COMPAT32 2012-05-21 20:39:55 +00:00			`# define __WORDSIZE_TIME64_COMPAT32 1`
Define __SYSCALL_WORDSIZE for x86-64 2012-05-21 18:45:16 +00:00			`/* Both x86-64 and x32 use the 64-bit system call interface. */`
			`# define __SYSCALL_WORDSIZE 64`
			`#endif`