1 /* Simulator signal support
2 Copyright (C) 1997 Free Software Foundation, Inc.
3 Contributed by Cygnus Support
4
5 This file is part of the GNU Simulators.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20
21 #include <signal.h>
22 #include "sim-main.h"
23
24 /* Convert SIM_SIGFOO to SIGFOO.
25 What to do when the host doesn't have SIGFOO is handled on a case by case
26 basis. Generally, in the case of passing a value back to gdb, we want gdb
27 to not think the process has died (so it can be debugged at the point of
28 failure). */
29
30 #ifdef _MSC_VER
31 #ifndef SIGTRAP
32 #define SIGTRAP 5
33 #endif
34 #ifndef SIGBUS
35 #define SIGBUS 10
36 #endif
37 #ifndef SIGQUIT
38 #define SIGQUIT 3
39 #endif
40 #endif
41
42 int
sim_signal_to_host(SIM_DESC sd,SIM_SIGNAL sig)43 sim_signal_to_host (SIM_DESC sd, SIM_SIGNAL sig)
44 {
45 switch (sig)
46 {
47 case SIM_SIGINT :
48 return SIGINT;
49
50 case SIM_SIGABRT :
51 return SIGABRT;
52
53 case SIM_SIGILL :
54 #ifdef SIGILL
55 return SIGILL;
56 #else
57 return SIGSEGV;
58 #endif
59
60 case SIM_SIGTRAP :
61 return SIGTRAP;
62
63 case SIM_SIGBUS :
64 #ifdef SIGBUS
65 return SIGBUS;
66 #else
67 return SIGSEGV;
68 #endif
69
70 case SIM_SIGSEGV :
71 return SIGSEGV;
72
73 case SIM_SIGXCPU :
74 #ifdef SIGXCPU
75 return SIGXCPU;
76 #endif
77 break;
78
79 case SIM_SIGFPE:
80 #ifdef SIGXCPU
81 return SIGFPE;
82 #endif
83 break;
84
85 case SIM_SIGNONE:
86 return 0;
87 break;
88 }
89
90 sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig);
91 #ifdef SIGHUP
92 return SIGHUP; /* FIXME: Suggestions? */
93 #else
94 return 1;
95 #endif
96 }
97