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/* Save current context and install the given one.
Copyright (C) 2004-2021 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
<https://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)
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