libc/sysdeps/linux/sparc64/bits/sigcontextinfo.h

   1 /* Copyright (C) 1999-2017 Free Software Foundation, Inc.
   2    Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef STACK_BIAS
  19 #define STACK_BIAS 2047
  20 #endif
  21 #define SIGCONTEXT struct sigcontext *
  22 #define SIGCONTEXT_EXTRA_ARGS
  23 #define GET_PC(__ctx)   ((void *) ((__ctx)->sigc_regs.tpc))
  24 #define ADVANCE_STACK_FRAME(__next) \
  25         ((void *) (((unsigned long *) (((unsigned long int) (__next))     \
  26                                            + STACK_BIAS))+14))
  27 #define GET_STACK(__ctx)        ((void *) ((__ctx)->sigc_regs.u_regs[14]))
  28 #define GET_FRAME(__ctx)        ADVANCE_STACK_FRAME (GET_STACK (__ctx))
  29 #define CALL_SIGHANDLER(handler, signo, ctx) \
  30   (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))