1 /* Copyright (C) 2003, 2007 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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/>. */
18 /* Also see register-dump.h, where we spill live registers to the
19 stack so that we can trace the stack backward. */
21 #define SIGCONTEXT unsigned long _info, ucontext_t *
22 #define SIGCONTEXT_EXTRA_ARGS _info,
24 /* ANDing with 0x3fffffff clears the window-size bits.
25 Assumes TASK_SIZE = 0x40000000. */
27 #define GET_PC(ctx) ((void *) (ctx->uc_mcontext.sc_pc & 0x3fffffff))
28 #define GET_FRAME(ctx) ((void *) ctx->uc_mcontext.sc_a[1])
29 #define GET_STACK(ctx) ((void *) ctx->uc_mcontext.sc_a[1])
30 #define CALL_SIGHANDLER(handler, signo, ctx) \
31 (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))