From b98ab1bbba57ebec07044237d66e950d9593d73b Mon Sep 17 00:00:00 2001 From: deraadt Date: Fri, 15 Dec 1995 15:35:54 +0000 Subject: [PATCH] sigsetjmp from Havard.Eidnes@runit.sintef.no; netbsd pr#1793 --- lib/libc/arch/mips/gen/Makefile.inc | 4 +- lib/libc/arch/mips/gen/sigsetjmp.S | 71 +++++++++++++++++++++++++++++ 2 files changed, 73 insertions(+), 2 deletions(-) create mode 100644 lib/libc/arch/mips/gen/sigsetjmp.S diff --git a/lib/libc/arch/mips/gen/Makefile.inc b/lib/libc/arch/mips/gen/Makefile.inc index f7df32f589b..00fdf52a1f6 100644 --- a/lib/libc/arch/mips/gen/Makefile.inc +++ b/lib/libc/arch/mips/gen/Makefile.inc @@ -1,6 +1,6 @@ -# $NetBSD: Makefile.inc,v 1.3 1995/04/11 18:13:49 jtc Exp $ +# $NetBSD: Makefile.inc,v 1.4 1995/12/15 01:12:36 jonathan Exp $ SRCS+= _setjmp.S fabs.S frexp.c infinity.c isinf.S ldexp.S modf.S SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \ fpsetround.c fpsetsticky.c -SRCS+= setjmp.S +SRCS+= setjmp.S sigsetjmp.S diff --git a/lib/libc/arch/mips/gen/sigsetjmp.S b/lib/libc/arch/mips/gen/sigsetjmp.S new file mode 100644 index 00000000000..3ebd51fab48 --- /dev/null +++ b/lib/libc/arch/mips/gen/sigsetjmp.S @@ -0,0 +1,71 @@ +/*- + * 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 +#include +#include +#include + +#if defined(LIBC_SCCS) && !defined(lint) + ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93") + ASMSTR("$Id: sigsetjmp.S,v 1.1 1995/12/15 15:35:56 deraadt Exp $") +#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) + sw a1, (_JBLEN*4)(a0) # save "savemask" + bne a1, 0x0, 1f # do saving of signal mask? + j _setjmp +1: j setjmp +END(sigsetjmp) + +LEAF(siglongjmp) + lw t0, (_JBLEN * 4)(a0) # get "savemask" + bne t0, 0x0, 1f # restore signal mask? + j _longjmp +1: j longjmp +END(siglongjmp) -- 2.20.1