/* Save current context and install the given one.

   Copyright (C) 2004-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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, see

   <http://www.gnu.org/licenses/>.  */

#include <sysdep.h>

#include <ucontext-offsets.h>

ENTRY(__swapcontext)

#ifdef PROF

	ldgp	$29, 0($27)

	.set noat

	lda     AT, _mcount

	jsr     AT, (AT), _mcount

	.set at

	.prologue 1

#elif defined PIC

	.prologue 0

#else

	ldgp	$29, 0($27)

	.prologue 1

#endif

#ifdef PIC

	unop

	bsr	$0, __getcontext_x	!samegp

	mov	$17, $16

	br	$31, __setcontext	!samegp

#else

	jsr	$0, __getcontext_x

	mov	$17, $16

	jmp	$31, __setcontext

#endif

END(__swapcontext)

weak_alias (__swapcontext, swapcontext)