Moved alpha to ports repository.

2008-11-25  Roland McGrath  <roland@redhat.com>

	* sysdeps/alpha, sysdeps/unix/bsd/osf/alpha,
	sysdeps/unix/bsd/Attic/osf1/alpha, sysdeps/unix/sysv/linux/alpha,
	sysdeps/unix/sysv/linux/alpha/alpha, sysdeps/unix/alpha,
	sysdeps/mach/alpha, sysdeps/mach/hurd/alpha:
	Subdirectories moved to ports repository.
	* configure.in (base_machine): Remove alpha case.

sysdeps/unix/sysv/linux/alpha/clone.S

@@ -1,149 +0,0 @@
-/* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson <rth@tamu.edu>, 1996.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-/* clone() is even more special than fork() as it mucks with stacks
-   and invokes a function in the right context after its all over.  */
-
-#include <sysdep.h>
-#define _ERRNO_H	1
-#include <bits/errno.h>
-
-#define CLONE_VM	0x00000100
-#define CLONE_THREAD	0x00010000
-
-/* int clone(int (*fn)(void *arg), void *child_stack, int flags,
-	     void *arg, pid_t *ptid, void *tls, pid_t *ctid);
-
-   Note that everything past ARG is technically optional, based
-   on FLAGS, and that CTID is arg 7, and thus is on the stack.
-   However, since a load from top-of-stack better be legal always,
-   we don't bother checking FLAGS.  */
-
-        .text
-ENTRY(__clone)
-#ifdef PROF
-	ldgp	gp,0(pv)
-	.set noat
-	lda	AT, _mcount
-	jsr	AT, (AT), _mcount
-	.set at
-	.prologue 1
-#else
-	.prologue 0
-#endif
-
-	/* Sanity check arguments.  */
-	ldiq	v0,EINVAL
-	beq	a0,$error		/* no NULL function pointers */
-	beq	a1,$error		/* no NULL stack pointers */
-
-	/* Save the fn ptr and arg on the new stack.  */
-	subq	a1,32,a1
-	stq	a0,0(a1)
-	stq	a3,8(a1)
-#ifdef RESET_PID
-	stq	a2,16(a1)
-#endif
-
-	/* The syscall is of the form clone(flags, usp, ptid, ctid, tls).
-	   Shift the flags, ptid, ctid, tls arguments into place; the
-	   child_stack argument is already correct.  */
-	mov	a2,a0
-	mov	a4,a2
-	ldq	a3,0(sp)
-	mov	a5,a4
-
-	/* Do the system call.  */
-	ldiq	v0,__NR_clone
-	call_pal PAL_callsys
-
-	bne	a3,$error
-	beq	v0,thread_start
-
-	/* Successful return from the parent.  */
-	ret
-
-	/* Something bad happened -- no child created.  */
-$error:
-#ifndef PROF
-	br	gp,1f
-1:	ldgp	gp,0(gp)
-#endif
-	SYSCALL_ERROR_HANDLER
-
-	END(__clone)
-
-/* Load up the arguments to the function.  Put this block of code in
-   its own function so that we can terminate the stack trace with our
-   debug info.  */
-
-	.ent thread_start
-thread_start:
-	.frame	fp,0,fp,0
-	mov	0, fp
-	.prologue 0
-
-#ifdef RESET_PID
-	/* Check and see if we need to reset the PID.  */
-	ldq	t0,16(sp)
-	lda	t1,CLONE_THREAD
-	and	t0,t1,t2
-	beq	t2,2f
-1:
-#endif
-
-	/* Load up the arguments.  */
-	ldq	pv,0(sp)
-	ldq	a0,8(sp)
-	addq	sp,32,sp
-
-	/* Call the user's function.  */
-	jsr	ra,(pv)
-	ldgp	gp,0(ra)
-
-	/* Call _exit rather than doing it inline for breakpoint purposes.  */
-	mov	v0,a0
-#ifdef PIC
-	bsr	ra, HIDDEN_JUMPTARGET(_exit)	!samegp
-#else
-	jsr	ra, HIDDEN_JUMPTARGET(_exit)
-#endif
-
-	/* Die horribly.  */
-	halt
-
-#ifdef RESET_PID
-2:
-	rduniq
-	lda	t1, CLONE_VM
-	mov	v0, s0
-	lda	v0, -1
-	and	t0, t1, t2
-	bne	t2, 3f
-	lda	v0, __NR_getxpid
-	callsys
-3:
-	stl	v0, PID_OFFSET(s0)
-	stl	v0, TID_OFFSET(s0)
-	br	1b
-#endif
-
-	.end thread_start
-
-weak_alias (__clone, clone)