xref: /openbmc/qemu/bsd-user/signal.c (revision edcc4e40)
1 /*
2  *  Emulation of BSD signals
3  *
4  *  Copyright (c) 2003 - 2008 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 #include "qemu/osdep.h"
21 #include "qemu.h"
22 
23 /*
24  * Stubbed out routines until we merge signal support from bsd-user
25  * fork.
26  */
27 
28 /*
29  * Queue a signal so that it will be send to the virtual CPU as soon as
30  * possible.
31  */
32 void queue_signal(CPUArchState *env, int sig, target_siginfo_t *info)
33 {
34     qemu_log_mask(LOG_UNIMP, "No signal queueing, dropping signal %d\n", sig);
35 }
36 
37 void signal_init(void)
38 {
39 }
40 
41 void process_pending_signals(CPUArchState *cpu_env)
42 {
43 }
44 
45 void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
46                            MMUAccessType access_type, bool maperr, uintptr_t ra)
47 {
48     qemu_log_mask(LOG_UNIMP, "No signal support for SIGSEGV\n");
49     /* unreachable */
50     abort();
51 }
52 
53 void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
54                           MMUAccessType access_type, uintptr_t ra)
55 {
56     qemu_log_mask(LOG_UNIMP, "No signal support for SIGBUS\n");
57     /* unreachable */
58     abort();
59 }
60