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__sigtramp2.S revision 1.1.30.1 
      1  1.1.30.1  yamt /*	$NetBSD: __sigtramp2.S,v 1.1.30.1 2008/05/18 12:30:13 yamt Exp $	*/
      2       1.1    pk 
      3       1.1    pk /*-
      4       1.1    pk  * Copyright (c) 2003 The NetBSD Foundation, Inc.
      5       1.1    pk  * All rights reserved.
      6       1.1    pk  *
      7       1.1    pk  * This code is derived from software contributed to The NetBSD Foundation
      8       1.1    pk  * by Paul Kranenburg.
      9       1.1    pk  *
     10       1.1    pk  * Redistribution and use in source and binary forms, with or without
     11       1.1    pk  * modification, are permitted provided that the following conditions
     12       1.1    pk  * are met:
     13       1.1    pk  * 1. Redistributions of source code must retain the above copyright
     14       1.1    pk  *    notice, this list of conditions and the following disclaimer.
     15       1.1    pk  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1    pk  *    notice, this list of conditions and the following disclaimer in the
     17       1.1    pk  *    documentation and/or other materials provided with the distribution.
     18       1.1    pk  *
     19       1.1    pk  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20       1.1    pk  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21       1.1    pk  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22       1.1    pk  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23       1.1    pk  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24       1.1    pk  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25       1.1    pk  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26       1.1    pk  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27       1.1    pk  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28       1.1    pk  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29       1.1    pk  * POSSIBILITY OF SUCH DAMAGE.
     30       1.1    pk  */
     31       1.1    pk 
     32       1.1    pk #include <machine/asm.h>
     33       1.1    pk #if defined(SYSLIBC_SCCS) && !defined(lint)
     34  1.1.30.1  yamt 	RCSID("$NetBSD: __sigtramp2.S,v 1.1.30.1 2008/05/18 12:30:13 yamt Exp $")
     35       1.1    pk #endif /* SYSLIBC_SCCS and not lint */
     36       1.1    pk 
     37       1.1    pk #include "SYS.h"
     38       1.1    pk 
     39       1.1    pk /*
     40       1.1    pk  * When this code is run, the stack looks like:
     41       1.1    pk  *	[%sp]			struct frame
     42       1.1    pk  *	[%sp + 96]		siginfo_t
     43       1.1    pk  *	[%sp + 96 + 128]	ucontext_t
     44       1.1    pk  *	    .
     45       1.1    pk  *	    .
     46       1.1    pk  */
     47       1.1    pk ENTRY_NOPROFILE(__sigtramp_siginfo_2)
     48       1.1    pk 	add	%sp, 96 + 128, %o0	/* get pointer to ucontext */
     49       1.1    pk 	mov	SYS_setcontext, %g1
     50       1.1    pk 	t	ST_SYSCALL		/* call setcontext */
     51       1.1    pk 	mov	SYS_exit, %g1		/* exit with errno */
     52       1.1    pk 	t	ST_SYSCALL		/* if sigreturn fails */
     53