libc bits for siginfo on sh5.
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@ -1,6 +1,6 @@
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# $NetBSD: Makefile.inc,v 1.2 2002/07/11 14:23:04 scw Exp $
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# $NetBSD: Makefile.inc,v 1.3 2003/10/05 10:01:49 scw Exp $
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KMINCLUDES=
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KMSRCS=
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SRCS+= __sigaction14_sigtramp.c __sigtramp1.S
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SRCS+= __sigaction14_sigtramp.c __sigtramp1.S __sigtramp2.S
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@ -1,4 +1,4 @@
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/* $NetBSD: __sigaction14_sigtramp.c,v 1.3 2003/01/19 23:05:04 scw Exp $ */
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/* $NetBSD: __sigaction14_sigtramp.c,v 1.4 2003/10/05 10:01:49 scw Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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@ -36,10 +36,10 @@
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#define __LIBC12_SOURCE__
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#include <sys/types.h>
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#include <stddef.h>
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#include <signal.h>
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#include <errno.h>
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#include "extern.h"
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@ -49,12 +49,30 @@ int
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__libc_sigaction14(int sig, const struct sigaction *act, struct sigaction *oact)
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{
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extern void __sigtramp_sigcontext_1(void);
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extern void __sigtramp_siginfo_2(void);
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int rv;
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/*
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* Right here we should select the SA_SIGINFO trampoline
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* if SA_SIGINFO is set in the sigaction.
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* If no sigaction, use the "default" trampoline since it won't
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* be used.
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*/
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if (act == NULL)
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return __sigaction_sigtramp(sig, act, oact, NULL, 0);
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return (__sigaction_sigtramp(sig, act, oact,
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(void *)__sigtramp_sigcontext_1, 1));
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/*
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* We select the non-SA_SIGINFO trampoline if SA_SIGINFO is not
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* set in the sigaction.
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*/
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if ((act->sa_flags & SA_SIGINFO) == 0) {
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rv = __sigaction_sigtramp(sig, act, oact,
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__sigtramp_sigcontext_1, 1);
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if (rv >= 0 || errno != EINVAL)
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return rv;
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}
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/*
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* If SA_SIGINFO was specificed or the compatibility trampolines
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* can't be used, use the siginfo trampoline.
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*/
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return __sigaction_sigtramp(sig, act, oact, __sigtramp_siginfo_2, 2);
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}
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51
lib/libc/arch/sh5/sys/__sigtramp2.S
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51
lib/libc/arch/sh5/sys/__sigtramp2.S
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@ -0,0 +1,51 @@
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/* $NetBSD: __sigtramp2.S,v 1.1 2003/10/05 10:01:49 scw Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Steve C. Woodford.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "SYS.h"
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/*
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* This signal trampoline is invoked only to return from the
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* signal; the kernel calls the signal handler directly.
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*
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* When we get here, callee-saved register r28 points to the ucontext_t
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* structure on the stack (this was arranged for us by the kernel).
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*/
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ENTRY_NOPROFILE(__sigtramp_sigcontext_2)
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or r28, r63, r2
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SYSTRAP(setcontext)
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SYSTRAP(exit)
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