48 lines
1.6 KiB
ArmAsm
48 lines
1.6 KiB
ArmAsm
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/* $NetBSD: __sigtramp2.S,v 1.2 2006/11/08 21:16:40 drochner Exp $ */
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/*
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* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include "SYS.h"
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/*
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* The Alpha 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, the stack looks like:
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*
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* ucontext structure [128] == sp + sizeof(siginfo_t)]
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* sp-> siginfo structure [0]
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*/
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NESTED_NOPROFILE(__sigtramp_siginfo_2,0,0,ra,0,0)
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ldgp gp,0(ra)
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lda a0,(128)(sp) /* get pointer to ucontext */
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CALLSYS_NOERROR(setcontext) /* and call setcontext() with it */
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ldiq a0,-1 /* if that failed, set an exit code */
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CALLSYS_NOERROR(exit) /* and call exit() */
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END(__sigtramp_siginfo_2)
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