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)) 31