glibc/sysdeps/alpha/setjmp.S

39 lines
1.3 KiB
ArmAsm

/* Copyright (C) 1992, 1994, 1996 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
/* The function __sigsetjmp_aux saves all the registers, but it can't
reliably access the stack or frame pointers, so we pass them in as
extra arguments. */
ENTRY (__sigsetjmp)
ldgp $29, 0($27)
#ifdef PROF
.set noat
lda AT, _mcount
jsr AT, (AT), _mcount
.set at
#endif
.prologue 1
bis $30, $30, $18 /* Pass SP as 3rd arg. */
bis $15, $15, $19 /* Pass FP as 4th arg. */
jmp $31, __sigsetjmp_aux /* Call __sigsetjmp_aux. */
END(__sigsetjmp)