93 lines
3.0 KiB
ArmAsm
93 lines
3.0 KiB
ArmAsm
/* $NetBSD: __sigsetjmp14.S,v 1.3 2002/11/10 18:10:25 thorpej Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1991, 1993, 1995,
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Havard Eidnes.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/syscall.h>
|
|
#include <mips/regnum.h>
|
|
#include <mips/asm.h>
|
|
#include <machine/setjmp.h>
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93")
|
|
ASMSTR("$NetBSD: __sigsetjmp14.S,v 1.3 2002/11/10 18:10:25 thorpej Exp $")
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#ifdef __ABICALLS__
|
|
.abicalls
|
|
#endif
|
|
|
|
/*
|
|
* C library -- sigsetjmp, siglongjmp
|
|
*
|
|
* siglongjmp(a,v)
|
|
* will generate a "return(v)" from
|
|
* the last call to
|
|
* sigsetjmp(a, savemask)
|
|
* by restoring registers from the stack,
|
|
* and dependent on savemask restores the
|
|
* signal mask.
|
|
*/
|
|
|
|
LEAF(__sigsetjmp14)
|
|
#ifdef __ABICALLS__
|
|
.set noreorder
|
|
.cpload t9
|
|
.set reorder
|
|
#endif
|
|
sw a1, (_JBLEN*4)(a0) # save "savemask"
|
|
bne a1, 0x0, 1f # do saving of signal mask?
|
|
la t9, _setjmp
|
|
jr t9
|
|
|
|
1: la t9, __setjmp14
|
|
jr t9
|
|
END(__sigsetjmp14)
|
|
|
|
LEAF(__siglongjmp14)
|
|
#ifdef __ABICALLS__
|
|
.set noreorder
|
|
.cpload t9
|
|
.set reorder
|
|
#endif
|
|
lw t0, (_JBLEN * 4)(a0) # get "savemask"
|
|
bne t0, 0x0, 1f # restore signal mask?
|
|
la t9, _longjmp
|
|
jr t9
|
|
1: la t9, __longjmp14
|
|
jr t9
|
|
END(__siglongjmp14)
|