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55 lines
2.1 KiB
ArmAsm
55 lines
2.1 KiB
ArmAsm
/* $NetBSD: __sigtramp2.S,v 1.2 2015/03/27 06:44:28 matt Exp $ */
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/*-
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* Copyright (c) 2002 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 Jason R. Thorpe.
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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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*
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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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#include "assym.h"
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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RCSID("$NetBSD: __sigtramp2.S,v 1.2 2015/03/27 06:44:28 matt Exp $")
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#endif /* SYSLIBC_SCCS and not lint */
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/*
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* The MIPS signal trampoline is invoked only to return from
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* the signal; the kernel calls the signal handler directly.
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*
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* On entry, stack looks like:
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*
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* sp -> siginfo_t structure
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* sp + SIGINFO_SIZE -> ucontext_t structure
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*/
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ENTRY_NP(__sigtramp_siginfo_2)
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addi a0, sp, SIGINFO_SIZE /* address of ucontext */
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SYSTRAP(setcontext) /* and do setcontext */
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nop
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SYSTRAP(exit) /* if sigreturn fails */
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END(__sigtramp_siginfo_2)
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