* sysdeps/unix/sysv/linux/alpha/clone.S: Elide terminal ldgp for PROF.

* sysdeps/unix/sysv/linux/alpha/clone.S: Elide terminal ldgp for PROF.
* sysdeps/unix/sysv/linux/alpha/rt_sigaction.S: Fix typos.
* sysdeps/unix/sysv/linux/alpha/bits/time.h (struct timeval):
Follow POSIX and make tv_sec a time_t.
* sysdeps/unix/sysv/linux/alpha/getitimer.S: New file to handle
new tv64 syscall as well as fall back to tv32.
* sysdeps/unix/sysv/linux/alpha/getrusage.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/gettimeofday.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/select.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/setitimer.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/settimeofday.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/utimes.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/wait4.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add tv32 entries.