sysdeps/unix/sysv/linux/arm/sigcontextinfo.h

   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 })