* configure.in (ASM_ALPHA_NG_SYMBOL_PREFIX): Remove test.
* configure: Regenerated.
* config.h.in (ASM_ALPHA_NG_SYMBOL_PREFIX): Remove #undef.
* sysdeps/alpha/dl-machine.h (TRAMPOLINE_TEMPLATE): Use !samegp.
(RTLD_START): Likewise. Access _dl_skip_args, _rtld_local, and
_dl_fini via gp-relative relocations.
* sysdeps/alpha/fpu/e_sqrt.c: Use !samegp.
* elf/tls-macros.h: Add alpha versions.
* sysdeps/alpha/dl-machine.h (elf_machine_rela): Handle TLS relocs.
* sysdeps/unix/alpha/sysdep.S: Support USE___THREAD.
* sysdeps/unix/alpha/sysdep.h: Likewise. Add SYSCALL_ERROR_HANDLER.
* sysdeps/unix/sysv/linux/alpha/brk.S: Use it.
* sysdeps/unix/sysv/linux/alpha/clone.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/getitimer.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/getrusage.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/gettimeofday.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/rt_sigaction.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/sigsuspend.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/syscall.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/utimes.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/wait4.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/sysdep.h: Re-include protect.
Kill argument registers across the inline syscall.
* sysdeps/unix/sysv/linux/alpha/clone.S: Add user_tid and tls args.
* linuxthreads/sysdeps/alpha/tls.h: New file.
* sysdeps/alpha/dl-tls.h: New file.