From 1c55c93971ba5c447af5a4091cab7023f4662e9f Mon Sep 17 00:00:00 2001 From: deraadt Date: Thu, 14 Dec 1995 02:25:32 +0000 Subject: [PATCH] from netbsd; sigsetjmp/siglongjmp was missing. Code fix by Arne H. Juul. --- lib/libc/arch/vax/gen/Makefile.inc | 4 +- lib/libc/arch/vax/gen/sigsetjmp.S | 68 ++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+), 2 deletions(-) create mode 100644 lib/libc/arch/vax/gen/sigsetjmp.S diff --git a/lib/libc/arch/vax/gen/Makefile.inc b/lib/libc/arch/vax/gen/Makefile.inc index 9be4a93fec1..4df9731d235 100644 --- a/lib/libc/arch/vax/gen/Makefile.inc +++ b/lib/libc/arch/vax/gen/Makefile.inc @@ -1,4 +1,4 @@ -# $NetBSD: Makefile.inc,v 1.1 1995/04/17 12:23:36 ragge Exp $ +# $NetBSD: Makefile.inc,v 1.2 1995/12/09 13:26:43 ragge Exp $ SRCS+= _setjmp.S fabs.S frexp.c infinity.c isinf.c ldexp.S \ - modf.S setjmp.S udiv.S urem.S alloca.S + modf.S setjmp.S udiv.S urem.S alloca.S sigsetjmp.S diff --git a/lib/libc/arch/vax/gen/sigsetjmp.S b/lib/libc/arch/vax/gen/sigsetjmp.S new file mode 100644 index 00000000000..c356df9f05a --- /dev/null +++ b/lib/libc/arch/vax/gen/sigsetjmp.S @@ -0,0 +1,68 @@ +/* + * Copyright (c) 1983, 1993, 1995 + * The Regents of the University of California. All rights reserved. + * + * 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .asciz "$NetBSD: sigsetjmp.S,v 1.1 1995/12/09 13:26:46 ragge 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. + */ + +#include "DEFS.h" +#include + +ENTRY(sigsetjmp, R6) + movl 4(ap),r0 # get env pointer + movl 8(ap),(_JBLEN*4)(r0) # save "savemask" + tstl 8(ap) # do saving of signal mask? + beql L1 + jmp _setjmp+2 # yep, do full setjmp +L1: jmp __setjmp+2 # nope, skip to _setjmp + +ENTRY(siglongjmp, 0) + movl 4(ap),r0 # get env pointer + tstl (_JBLEN*4)(r0) # test if "savemask" was set + beql L2 + jmp _longjmp+2 # yep, do full longjmp +L2: jmp __longjmp+2 # nope, skip to _longjmp + + -- 2.20.1