minix/lib/libc/compat/arch/vax/sys/compat___sigtramp2.S

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/* $NetBSD: compat___sigtramp2.S,v 1.1 2006/02/18 22:54:51 matt Exp $ */
/*
* Copyright (c) 2002 Anders Magnusson, (ragge@NetBSD.org).
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* Signal trampoline; registers when called:
* sp, pc, psl - obvious
* ap - points to argument list, see machdep.c:sendsig()
* fp - address of signal handler
*/
#include "SYS.h"
.text
_ALIGN_TEXT
.globl _C_LABEL(__sigtramp_sigcontext_2)
_C_LABEL(__sigtramp_sigcontext_2):
pushr $(R0|R1|R2|R3|R4|R5) # save scratch registers
callg (%ap),(%fp) # use global arg list
popr $(R0|R1|R2|R3|R4|R5) # restore regs
movab 8(%ap),%ap # arg is pointer to sigctx
SYSTRAP(compat_16___sigreturn14) # exit from here
halt # illegal insn