50 lines
2.1 KiB
ArmAsm
50 lines
2.1 KiB
ArmAsm
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/* $NetBSD: compat___sigtramp2.S,v 1.1 2006/02/18 22:54:51 matt Exp $ */
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/*
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* Copyright (c) 2002 Anders Magnusson, (ragge@NetBSD.org).
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* All rights reserved.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Signal trampoline; registers when called:
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* sp, pc, psl - obvious
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* ap - points to argument list, see machdep.c:sendsig()
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* fp - address of signal handler
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*/
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#include "SYS.h"
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.text
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_ALIGN_TEXT
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.globl _C_LABEL(__sigtramp_sigcontext_2)
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_C_LABEL(__sigtramp_sigcontext_2):
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pushr $(R0|R1|R2|R3|R4|R5) # save scratch registers
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callg (%ap),(%fp) # use global arg list
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popr $(R0|R1|R2|R3|R4|R5) # restore regs
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movab 8(%ap),%ap # arg is pointer to sigctx
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SYSTRAP(compat_16___sigreturn14) # exit from here
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halt # illegal insn
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