xref: /minix3/lib/libc/arch/x86_64/sys/__sigtramp2.S (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc/*	$NetBSD: __sigtramp2.S,v 1.6 2014/05/22 15:01:57 uebayasi Exp $	*/
22fe8fb19SBen Gras
32fe8fb19SBen Gras/*
42fe8fb19SBen Gras * Copyright (c) 2001 Wasabi Systems, Inc.
52fe8fb19SBen Gras * All rights reserved.
62fe8fb19SBen Gras *
72fe8fb19SBen Gras * Written by Frank van der Linden for Wasabi Systems, Inc.
82fe8fb19SBen Gras *
92fe8fb19SBen Gras * Redistribution and use in source and binary forms, with or without
102fe8fb19SBen Gras * modification, are permitted provided that the following conditions
112fe8fb19SBen Gras * are met:
122fe8fb19SBen Gras * 1. Redistributions of source code must retain the above copyright
132fe8fb19SBen Gras *    notice, this list of conditions and the following disclaimer.
142fe8fb19SBen Gras * 2. Redistributions in binary form must reproduce the above copyright
152fe8fb19SBen Gras *    notice, this list of conditions and the following disclaimer in the
162fe8fb19SBen Gras *    documentation and/or other materials provided with the distribution.
172fe8fb19SBen Gras * 3. All advertising materials mentioning features or use of this software
182fe8fb19SBen Gras *    must display the following acknowledgement:
192fe8fb19SBen Gras *      This product includes software developed for the NetBSD Project by
202fe8fb19SBen Gras *      Wasabi Systems, Inc.
212fe8fb19SBen Gras * 4. The name of Wasabi Systems, Inc. may not be used to endorse
222fe8fb19SBen Gras *    or promote products derived from this software without specific prior
232fe8fb19SBen Gras *    written permission.
242fe8fb19SBen Gras *
252fe8fb19SBen Gras * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
262fe8fb19SBen Gras * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
272fe8fb19SBen Gras * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
282fe8fb19SBen Gras * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
292fe8fb19SBen Gras * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
302fe8fb19SBen Gras * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
312fe8fb19SBen Gras * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
322fe8fb19SBen Gras * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
332fe8fb19SBen Gras * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
342fe8fb19SBen Gras * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
352fe8fb19SBen Gras * POSSIBILITY OF SUCH DAMAGE.
362fe8fb19SBen Gras */
372fe8fb19SBen Gras
382fe8fb19SBen Gras#include "SYS.h"
392fe8fb19SBen Gras
402fe8fb19SBen Gras/*
412fe8fb19SBen Gras * The x86-64 signal trampoline is invoked only to return from
422fe8fb19SBen Gras * the signal; the kernel calls the signal handler directly.
432fe8fb19SBen Gras */
442fe8fb19SBen GrasNENTRY(__sigtramp_siginfo_2)
452fe8fb19SBen Gras	movq	%r15,%rdi
462fe8fb19SBen Gras	movq	$SYS_setcontext, %rax
472fe8fb19SBen Gras	syscall
482fe8fb19SBen Gras	movq	$-1,%rdi /* if we return here, something is wrong */
492fe8fb19SBen Gras	movq	$SYS_exit, %rax
502fe8fb19SBen Gras	syscall
51*0a6a1f1dSLionel SambucEND(__sigtramp_siginfo_2)
52