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Add siginfo signal trampoline.

This commit is contained in:
matt 2003-09-25 22:46:22 +00:00
parent fb41fcc067
commit 4e7e0da41e
2 changed files with 58 additions and 2 deletions
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4
lib/libc/arch/powerpc/Makefile.inc
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@ -1,9 +1,9 @@
# $NetBSD: Makefile.inc,v 1.6 2002/07/10 04:29:08 thorpej Exp $
# $NetBSD: Makefile.inc,v 1.7 2003/09/25 22:46:22 matt Exp $
KMINCLUDES=
KMSRCS=
SRCS+= __sigaction14_sigtramp.c __sigtramp1.S
SRCS+= __sigaction14_sigtramp.c __sigtramp1.S __sigtramp2.S
.if (${MKSOFTFLOAT} != "no")
CPPFLAGS+= -DSOFTFLOAT_NEED_FIXUNS

56
lib/libc/arch/powerpc/sys/__sigtramp2.S Normal file
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@ -0,0 +1,56 @@
/* $NetBSD: __sigtramp2.S,v 1.1 2003/09/25 22:46:22 matt Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#define _NOREGNAMES
#include "SYS.h"
/*
* On entry to user space, stack and registers look like:
*
* r3 signal number
* r4 pointer to siginfo structure
* r5 pointer to ucontext structure
* r30 pointer to ucontext structure
* srr0 address of handler
* lr address of this trampoline
*
*/
ENTRY_NOPROFILE(__sigtramp_siginfo_2)
mr %r3,%r30 /* restore ucontext pointer */
_DOSYSCALL(setcontext) /* restore machine state */
_DOSYSCALL(exit) /* or exit with errno if failed */