64-bit off_t in pread64, preadv, pwrite64 and pwritev syscalls is passed
in one 64-bit register for both x32 and x86-64. Since the inline
asm statement only passes long, which is 32-bit for x32, in registers,
64-bit off_t is truncated to 32-bit on x32. Since __ASSUME_PREADV and
__ASSUME_PWRITEV are defined unconditionally, these syscalls can be
implemented in syscalls.list to pass 64-bit off_t in one 64-bit register.
Tested on x86-64 and x32 with off_t > 4GB on pread64/pwrite64 and
preadv64/pwritev64.
[BZ #20348]
* sysdeps/unix/sysv/linux/x86_64/syscalls.list: Add pread64,
preadv64, pwrite64 and pwritev64.
+2016-07-12 H.J. Lu <hongjiu.lu@intel.com>
+
+ [BZ #20348]
+ * sysdeps/unix/sysv/linux/x86_64/syscalls.list: Add pread64,
+ preadv64, pwrite64 and pwritev64.
+
2016-07-12 H.J. Lu <hongjiu.lu@intel.com>
[BZ #20350]
msgget - msgget i:ii __msgget msgget
msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv
msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
+pread64 - pread64 Ci:ipii __libc_pread __libc_pread64 __pread64 pread64 __pread pread
+preadv64 - preadv Ci:ipii preadv64 preadv
+pwrite64 - pwrite64 Ci:ipii __libc_pwrite __pwrite64 pwrite64 __pwrite pwrite
+pwritev64 - pwritev Ci:ipii pwritev64 pwritev
shmat - shmat i:ipi __shmat shmat
shmctl - shmctl i:iip __shmctl shmctl
shmdt - shmdt i:s __shmdt shmdt