sysdeps/unix/sysv/linux/nios2/sigcontextinfo.h

   1 /* Nios II definitions for signal handling calling conventions.
   2    Copyright (C) 2015-2019 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 #include "kernel-features.h"
  21
  22 #define SIGCONTEXT siginfo_t *_si, ucontext_t *
  23 #define GET_PC(ctx) ((void *) (ctx)->uc_mcontext.regs[27])
  24
  25 /* There is no reliable way to get the sigcontext unless we use a
  26    three-argument signal handler.  */
  27 #define __sigaction(sig, act, oact) ({ \
  28   (act)->sa_flags |= SA_SIGINFO; \
  29   (__sigaction) (sig, act, oact); \
  30 })
  31
  32 #define sigaction(sig, act, oact) ({ \
  33   (act)->sa_flags |= SA_SIGINFO; \
  34   (sigaction) (sig, act, oact); \
  35 })