2004-01-16 06:04:59 +01:00
|
|
|
/* Save current context and install the given one.
|
2016-01-04 17:05:18 +01:00
|
|
|
Copyright (C) 2004-2016 Free Software Foundation, Inc.
|
2004-01-16 06:04:59 +01:00
|
|
|
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
|
2012-03-10 00:56:38 +01:00
|
|
|
License along with the GNU C Library. If not, see
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
2004-01-16 06:04:59 +01:00
|
|
|
|
|
|
|
#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)
|
2005-05-26 16:30:48 +02:00
|
|
|
weak_alias (__swapcontext, swapcontext)
|