84 lines
2.8 KiB
ArmAsm
84 lines
2.8 KiB
ArmAsm
|
/* $NetBSD: compat_sigsetjmp.S,v 1.2 2009/12/14 03:04:33 matt 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. 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/asm.h>
|
||
|
|
#include <mips/regdef.h>
|
||
|
|
|
||
|
|
#include "assym.h"
|
||
|
|
|
||
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
||
|
|
#if 0
|
||
|
|
ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93")
|
||
|
|
#else
|
||
|
|
ASMSTR("$NetBSD: compat_sigsetjmp.S,v 1.2 2009/12/14 03:04:33 matt Exp $")
|
||
|
|
#endif
|
||
|
|
#endif /* LIBC_SCCS and not lint */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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(sigsetjmp)
|
||
|
|
SETUP_GP
|
||
|
|
SETUP_GP64(t0, sigsetjmp)
|
||
|
|
INT_S a1, _OFFSETOF_SC_MASK13(a0) # save "savemask"
|
||
|
|
bne a1, 0x0, 1f # do saving of signal mask?
|
||
|
|
PTR_LA t9, _C_LABEL(_setjmp)
|
||
|
|
jr t9
|
||
|
|
|
||
|
|
1: PTR_LA t9, _C_LABEL(setjmp)
|
||
|
|
jr t9
|
||
|
|
END(sigsetjmp)
|
||
|
|
|
||
|
|
LEAF(siglongjmp)
|
||
|
|
SETUP_GP
|
||
|
|
SETUP_GP64(t0, siglongjmp)
|
||
|
|
INT_L t1, _OFFSETOF_SC_MASK13(a0) # get "savemask"
|
||
|
|
bne t1, 0x0, 1f # restore signal mask?
|
||
|
|
PTR_LA t9, _C_LABEL(_longjmp)
|
||
|
|
jr t9
|
||
|
|
|
||
|
|
1: PTR_LA t9, _C_LABEL(longjmp)
|
||
|
|
jr t9
|
||
|
|
END(siglongjmp)
|