sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h

   1 /* AArch64 definitions for signal handling calling conventions.
   2    Copyright (C) 1996-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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, struct ucontext *
  22 #define GET_PC(ctx) ((void *) (ctx)->uc_mcontext.pc)
  23
  24 /* There is no reliable way to get the sigcontext unless we use a
  25    three-argument signal handler.  */
  26 #define __sigaction(sig, act, oact) ({ \
  27   (act)->sa_flags |= SA_SIGINFO; \
  28   (__sigaction) (sig, act, oact); \
  29 })
  30
  31 #define sigaction(sig, act, oact) ({ \
  32   (act)->sa_flags |= SA_SIGINFO; \
  33   (sigaction) (sig, act, oact); \
  34 })