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 #include "defs.h"
29
30 #include DEF_MPERS_TYPE(struct_rt_sigframe)
31
32 #include "rt_sigframe.h"
33
34 #include MPERS_DEFS
35
36 #ifndef OFFSETOF_SIGMASK_IN_RT_SIGFRAME
37 # define OFFSETOF_SIGMASK_IN_RT_SIGFRAME \
38 offsetof(struct_rt_sigframe, uc.uc_sigmask)
39 #endif
40
SYS_FUNC(rt_sigreturn)41 SYS_FUNC(rt_sigreturn)
42 {
43 const kernel_ulong_t sf_addr = get_rt_sigframe_addr(tcp);
44
45 if (sf_addr) {
46 const kernel_ulong_t sm_addr =
47 sf_addr + OFFSETOF_SIGMASK_IN_RT_SIGFRAME;
48 tprints("{mask=");
49 print_sigset_addr(tcp, sm_addr);
50 tprints("}");
51 }
52
53 return RVAL_DECODED;
54 }
55