Annotation of src/lib/libc/arch/x86_64/sys/__sigtramp2.S, Revision 1.5
1.5 ! drochner 1: /* $NetBSD: __sigtramp2.S,v 1.4 2004/03/23 16:33:47 drochner Exp $ */
1.1 fvdl 2:
3: /*
4: * Copyright (c) 2001 Wasabi Systems, Inc.
5: * All rights reserved.
6: *
7: * Written by Frank van der Linden for Wasabi Systems, Inc.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. All advertising materials mentioning features or use of this software
18: * must display the following acknowledgement:
19: * This product includes software developed for the NetBSD Project by
20: * Wasabi Systems, Inc.
21: * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22: * or promote products derived from this software without specific prior
23: * written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35: * POSSIBILITY OF SUCH DAMAGE.
36: */
37:
38: #include "SYS.h"
39:
40: /*
41: * The x86-64 signal trampoline is invoked only to return from
42: * the signal; the kernel calls the signal handler directly.
43: */
44: NENTRY(__sigtramp_siginfo_2)
1.2 fvdl 45: movq %r15,%rdi
1.1 fvdl 46: movq $SYS_setcontext, %rax
1.4 drochner 47: syscall
1.5 ! drochner 48: movq $-1,%rdi /* if we return here, something is wrong */
1.1 fvdl 49: movq $SYS_exit, %rax
50: syscall
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