mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
d060cd002d
* bits/wordsize.h: Add documentation. * sysdeps/aarch64/bits/wordsize.h : New file * sysdeps/generic/stdint.h (PTRDIFF_MIN, PTRDIFF_MAX): Update definitions. (SIZE_MAX): Change ifdef to if in __WORDSIZE32_SIZE_ULONG check. * sysdeps/gnu/bits/utmp.h (__WORDSIZE_TIME64_COMPAT32): Check with #if instead of #ifdef. * sysdeps/gnu/bits/utmpx.h (__WORDSIZE_TIME64_COMPAT32): Ditto. * sysdeps/mips/bits/wordsize.h (__WORDSIZE32_SIZE_ULONG, __WORDSIZE32_PTRDIFF_LONG, __WORDSIZE_TIME64_COMPAT32): Add or change defines. * sysdeps/powerpc/powerpc32/bits/wordsize.h: Likewise. * sysdeps/powerpc/powerpc64/bits/wordsize.h: Likewise. * sysdeps/s390/s390-32/bits/wordsize.h: Likewise. * sysdeps/s390/s390-64/bits/wordsize.h: Likewise. * sysdeps/sparc/sparc32/bits/wordsize.h: Likewise. * sysdeps/sparc/sparc64/bits/wordsize.h: Likewise. * sysdeps/tile/tilegx/bits/wordsize.h: Likewise. * sysdeps/tile/tilepro/bits/wordsize.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/wordsize.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/wordsize.h: Likewise. * sysdeps/wordsize-32/bits/wordsize.h: Likewise. * sysdeps/wordsize-64/bits/wordsize.h: Likewise. * sysdeps/x86/bits/wordsize.h: Likewise.
18 lines
442 B
C
18 lines
442 B
C
/* Determine the wordsize from the preprocessor defines. */
|
|
|
|
#if defined __x86_64__ && !defined __ILP32__
|
|
# define __WORDSIZE 64
|
|
#else
|
|
# define __WORDSIZE 32
|
|
#define __WORDSIZE32_SIZE_ULONG 0
|
|
#define __WORDSIZE32_PTRDIFF_LONG 0
|
|
#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
|
|
#else
|
|
# define __WORDSIZE_TIME64_COMPAT32 0
|
|
#endif
|