1 /* $NetBSD: __sigtramp2.S,v 1.2 2006/11/08 21:16:40 drochner Exp $ */
4 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
7 * Author: Chris G. Demetriou
9 * Permission to use, copy, modify and distribute this software and
10 * its documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19 * Carnegie Mellon requests users of this software to return to
21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
22 * School of Computer Science
23 * Carnegie Mellon University
24 * Pittsburgh PA 15213-3890
26 * any improvements or extensions that they make and grant Carnegie the
27 * rights to redistribute these changes.
33 * The Alpha signal trampoline is invoked only to return from
34 * the signal; the kernel calls the signal handler directly.
36 * On entry, the stack looks like:
38 * ucontext structure [128] == sp + sizeof(siginfo_t)]
39 * sp-> siginfo structure [0]
41 NESTED_NOPROFILE(__sigtramp_siginfo_2,0,0,ra,0,0)
43 lda a0,(128)(sp) /* get pointer to ucontext */
44 CALLSYS_NOERROR(setcontext) /* and call setcontext() with it */
45 ldiq a0,-1 /* if that failed, set an exit code */
46 CALLSYS_NOERROR(exit) /* and call exit() */
47 END(__sigtramp_siginfo_2)