mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
33f0a6c75e
* sysdeps/unix/sysv/linux/alpha/Makefile [stdlib]: Process ucontext-offsets.sym. * sysdeps/unix/sysv/linux/alpha/getcontext.S: New file. * sysdeps/unix/sysv/linux/alpha/makecontext.S: New file. * sysdeps/unix/sysv/linux/alpha/setcontext.S: New file. * sysdeps/unix/sysv/linux/alpha/swapcontext.S: New file. * sysdeps/unix/sysv/linux/alpha/ucontext-offsets.sym: New file. 2004-01-15 Richard Henderson <rth@redhat.com>
52 lines
1.4 KiB
ArmAsm
52 lines
1.4 KiB
ArmAsm
/* Save current context and install the given one.
|
|
Copyright (C) 2004 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#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)
|