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1 /*
2  * Copyright (c) 2017 Dmitry V. Levin <ldv@altlinux.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #undef FUNC_GET_RT_SIGFRAME_ADDR
29 #define	FUNC_GET_RT_SIGFRAME_ADDR	\
30 	static kernel_ulong_t i386_get_rt_sigframe_addr(struct tcb *tcp)
31 
32 #include "i386/arch_rt_sigframe.c"
33 
34 #undef FUNC_GET_RT_SIGFRAME_ADDR
35 #define	FUNC_GET_RT_SIGFRAME_ADDR	DEF_FUNC_GET_RT_SIGFRAME_ADDR
36 
37 FUNC_GET_RT_SIGFRAME_ADDR
38 {
39 	return tcp->currpers == 1 ? i386_get_rt_sigframe_addr(tcp)
40 				  : *x86_64_rsp_ptr - sizeof(kernel_ulong_t);
41 }
42