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, see
17    <http://www.gnu.org/licenses/>.  */
18 
19 #define SIGCONTEXT struct sigcontext *
20 #define SIGCONTEXT_EXTRA_ARGS
21 #define GET_PC(__ctx)	((void *) ((__ctx)->si_regs.pc))
22 #define ADVANCE_STACK_FRAME(__next) \
23 	((void *) (((unsigned *)(__next))+14))
24 
25 #define GET_STACK(__ctx)	((void *) (__ctx)->si_regs.u_regs[14])
26 #define GET_FRAME(__ctx)	ADVANCE_STACK_FRAME (GET_STACK(__ctx))
27 #define CALL_SIGHANDLER(handler, signo, ctx) \
28   (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
29