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1/* Copyright (C) 1999-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Philip Blundell <philb@gnu.org>, 1999.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <sys/ucontext.h>
20
21#define SIGCONTEXT siginfo_t *_si, ucontext_t *
22
23/* The sigcontext structure changed between 2.0 and 2.1 kernels. On any
24 modern system we should be able to assume that the "new" format will be
25 in use. */
26
27#define GET_PC(ctx) ((void *) (ctx)->uc_mcontext.arm_pc)
28
29/* There is no reliable way to get the sigcontext unless we use a
30 three-argument signal handler. */
31#define __sigaction(sig, act, oact) ({ \
32 (act)->sa_flags |= SA_SIGINFO; \
33 (__sigaction) (sig, act, oact); \
34})
35
36#define sigaction(sig, act, oact) ({ \
37 (act)->sa_flags |= SA_SIGINFO; \
38 (sigaction) (sig, act, oact); \
39})
40

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