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      1 /*	$NetBSD: __sigtramp2.S,v 1.2 2008/04/28 20:22:57 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2003 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Kranenburg.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <machine/asm.h>
     33 #if defined(SYSLIBC_SCCS) && !defined(lint)
     34 	RCSID("$NetBSD: __sigtramp2.S,v 1.2 2008/04/28 20:22:57 martin Exp $")
     35 #endif /* SYSLIBC_SCCS and not lint */
     36 
     37 #include "SYS.h"
     38 
     39 /*
     40  * When this code is run, the stack looks like:
     41  *	[%sp]			struct frame
     42  *	[%sp + 96]		siginfo_t
     43  *	[%sp + 96 + 128]	ucontext_t
     44  *	    .
     45  *	    .
     46  */
     47 ENTRY_NOPROFILE(__sigtramp_siginfo_2)
     48 	add	%sp, 96 + 128, %o0	/* get pointer to ucontext */
     49 	mov	SYS_setcontext, %g1
     50 	t	ST_SYSCALL		/* call setcontext */
     51 	mov	SYS_exit, %g1		/* exit with errno */
     52 	t	ST_SYSCALL		/* if sigreturn fails */
     53