sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h

   1 /* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Jakub Jelinek <jakub@redhat.com>, 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #define SIGCONTEXT struct sigcontext *
  21 #define SIGCONTEXT_EXTRA_ARGS
  22 #define GET_PC(__ctx)   ((void *) ((__ctx)->si_regs.pc))
  23 #define FIRST_FRAME_POINTER \
  24   ({ void *ret;                                                 \
  25      asm volatile ("ta 3; add %%fp, 56, %0" : "=r" (ret)); ret; })
  26 #define ADVANCE_STACK_FRAME(__next) \
  27         ((void *) (((unsigned *)(__next))+14))
  28
  29 #define GET_STACK(__ctx)        ((void *) (__ctx)->si_regs.u_regs[14])
  30 #define GET_FRAME(__ctx)        ADVANCE_STACK_FRAME (GET_STACK(__ctx))
  31 #define CALL_SIGHANDLER(handler, signo, ctx) \
  32   (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))