1 /* 2 * Emulation of Linux signals 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef SIGNAL_COMMON_H 21 #define SIGNAL_COMMON_H 22 extern struct target_sigaltstack target_sigaltstack_used; 23 24 int on_sig_stack(unsigned long sp); 25 int sas_ss_flags(unsigned long sp); 26 abi_ulong target_sigsp(abi_ulong sp, struct target_sigaction *ka); 27 void target_save_altstack(target_stack_t *uss, CPUArchState *env); 28 29 static inline void target_sigemptyset(target_sigset_t *set) 30 { 31 memset(set, 0, sizeof(*set)); 32 } 33 34 void host_to_target_sigset_internal(target_sigset_t *d, 35 const sigset_t *s); 36 void target_to_host_sigset_internal(sigset_t *d, 37 const target_sigset_t *s); 38 void tswap_siginfo(target_siginfo_t *tinfo, 39 const target_siginfo_t *info); 40 void set_sigmask(const sigset_t *set); 41 void force_sig(int sig); 42 void force_sigsegv(int oldsig); 43 #if defined(TARGET_ARCH_HAS_SETUP_FRAME) 44 void setup_frame(int sig, struct target_sigaction *ka, 45 target_sigset_t *set, CPUArchState *env); 46 #endif 47 void setup_rt_frame(int sig, struct target_sigaction *ka, 48 target_siginfo_t *info, 49 target_sigset_t *set, CPUArchState *env); 50 #endif 51