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| author | Alistair Francis <alistair.francis@wdc.com> | 2020-02-14 11:02:29 -0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2020-04-29 08:30:03 -0700 |
| commit | 07fe93cd9850696f3f13a8fd0d0f7c37e3fe7f37 (patch) | |
| tree | b8fc4badc14278038887f837a2abe54f96129ffb /sysdeps/unix/sysv/linux | |
| parent | 05332ac38b245c1983b306aa6909abfc48988a5f (diff) | |
| download | glibc-07fe93cd9850696f3f13a8fd0d0f7c37e3fe7f37.tar glibc-07fe93cd9850696f3f13a8fd0d0f7c37e3fe7f37.tar.gz glibc-07fe93cd9850696f3f13a8fd0d0f7c37e3fe7f37.tar.bz2 glibc-07fe93cd9850696f3f13a8fd0d0f7c37e3fe7f37.zip | |
generic/typesizes.h: Add support for 32-bit arches with 64-bit types
Update the default typesizes.h to match the new kernel sizes for 32-bit
architectures with a 64-bit time_t and friends. This follows the sizes
used for RV32 which is a y2038 safe architecture added after Linux 5.1.
Reviewed-by: Vineet Gupta <vgupta@synopsys.com>
Tested-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/generic/bits/typesizes.h | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/sysdeps/unix/sysv/linux/generic/bits/typesizes.h b/sysdeps/unix/sysv/linux/generic/bits/typesizes.h index 4fb246ac74..0a66818c54 100644 --- a/sysdeps/unix/sysv/linux/generic/bits/typesizes.h +++ b/sysdeps/unix/sysv/linux/generic/bits/typesizes.h @@ -26,31 +26,44 @@ /* See <bits/types.h> for the meaning of these macros. This file exists so that <bits/types.h> need not vary across different GNU platforms. */ +#if __TIMESIZE == 64 && __WORDSIZE == 32 +/* These are the "new" y2038 types defined for architectures added after + the 5.1 kernel. */ +# define __INO_T_TYPE __UQUAD_TYPE +# define __OFF_T_TYPE __SQUAD_TYPE +# define __RLIM_T_TYPE __UQUAD_TYPE +# define __BLKCNT_T_TYPE __SQUAD_TYPE +# define __FSBLKCNT_T_TYPE __UQUAD_TYPE +# define __FSFILCNT_T_TYPE __UQUAD_TYPE +# define __TIME_T_TYPE __SQUAD_TYPE +# define __SUSECONDS_T_TYPE __SQUAD_TYPE +#else +# define __INO_T_TYPE __ULONGWORD_TYPE +# define __OFF_T_TYPE __SLONGWORD_TYPE +# define __RLIM_T_TYPE __ULONGWORD_TYPE +# define __BLKCNT_T_TYPE __SLONGWORD_TYPE +# define __FSBLKCNT_T_TYPE __ULONGWORD_TYPE +# define __FSFILCNT_T_TYPE __ULONGWORD_TYPE +# define __TIME_T_TYPE __SLONGWORD_TYPE +# define __SUSECONDS_T_TYPE __SLONGWORD_TYPE +#endif #define __DEV_T_TYPE __UQUAD_TYPE #define __UID_T_TYPE __U32_TYPE #define __GID_T_TYPE __U32_TYPE -#define __INO_T_TYPE __ULONGWORD_TYPE #define __INO64_T_TYPE __UQUAD_TYPE #define __MODE_T_TYPE __U32_TYPE #define __NLINK_T_TYPE __U32_TYPE -#define __OFF_T_TYPE __SLONGWORD_TYPE #define __OFF64_T_TYPE __SQUAD_TYPE #define __PID_T_TYPE __S32_TYPE -#define __RLIM_T_TYPE __ULONGWORD_TYPE #define __RLIM64_T_TYPE __UQUAD_TYPE -#define __BLKCNT_T_TYPE __SLONGWORD_TYPE #define __BLKCNT64_T_TYPE __SQUAD_TYPE -#define __FSBLKCNT_T_TYPE __ULONGWORD_TYPE #define __FSBLKCNT64_T_TYPE __UQUAD_TYPE -#define __FSFILCNT_T_TYPE __ULONGWORD_TYPE #define __FSFILCNT64_T_TYPE __UQUAD_TYPE #define __FSWORD_T_TYPE __SWORD_TYPE #define __ID_T_TYPE __U32_TYPE #define __CLOCK_T_TYPE __SLONGWORD_TYPE -#define __TIME_T_TYPE __SLONGWORD_TYPE #define __USECONDS_T_TYPE __U32_TYPE -#define __SUSECONDS_T_TYPE __SLONGWORD_TYPE #define __SUSECONDS64_T_TYPE __SQUAD_TYPE #define __DADDR_T_TYPE __S32_TYPE #define __KEY_T_TYPE __S32_TYPE @@ -63,7 +76,7 @@ #define __SYSCALL_ULONG_TYPE __ULONGWORD_TYPE #define __CPU_MASK_TYPE __ULONGWORD_TYPE -#ifdef __LP64__ +#if defined __LP64__ || (__TIMESIZE == 64 && __WORDSIZE == 32) /* Tell the libc code that off_t and off64_t are actually the same type for all ABI purposes, even if possibly expressed as different base types for C type-checking purposes. */ @@ -79,7 +92,7 @@ # define __STATFS_MATCHES_STATFS64 1 /* And for getitimer, setitimer and rusage */ -# define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 1 +# define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 (__WORDSIZE == 64) #else # define __RLIM_T_MATCHES_RLIM64_T 0 |