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c906108c | 1 | /* Simulator signal support |
3666a048 | 2 | Copyright (C) 1997-2021 Free Software Foundation, Inc. |
c906108c SS |
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 | |
4744ac1b JB |
9 | the Free Software Foundation; either version 3 of the License, or |
10 | (at your option) any later version. | |
c906108c SS |
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 | ||
4744ac1b JB |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
c906108c | 19 | |
6df01ab8 MF |
20 | /* This must come before any other includes. */ |
21 | #include "defs.h" | |
22 | ||
c906108c | 23 | #include <signal.h> |
20a8e078 | 24 | |
c906108c | 25 | #include "sim-main.h" |
1fef66b0 | 26 | #include "sim-signal.h" |
c906108c SS |
27 | |
28 | /* Convert SIM_SIGFOO to SIGFOO. | |
29 | What to do when the host doesn't have SIGFOO is handled on a case by case | |
30 | basis. Generally, in the case of passing a value back to gdb, we want gdb | |
31 | to not think the process has died (so it can be debugged at the point of | |
32 | failure). */ | |
33 | ||
a4e64307 | 34 | #ifdef _WIN32 |
c906108c SS |
35 | #ifndef SIGTRAP |
36 | #define SIGTRAP 5 | |
37 | #endif | |
38 | #ifndef SIGBUS | |
39 | #define SIGBUS 10 | |
40 | #endif | |
41 | #ifndef SIGQUIT | |
42 | #define SIGQUIT 3 | |
43 | #endif | |
44 | #endif | |
45 | ||
46 | int | |
47 | sim_signal_to_host (SIM_DESC sd, SIM_SIGNAL sig) | |
48 | { | |
49 | switch (sig) | |
50 | { | |
51 | case SIM_SIGINT : | |
52 | return SIGINT; | |
53 | ||
54 | case SIM_SIGABRT : | |
55 | return SIGABRT; | |
56 | ||
57 | case SIM_SIGILL : | |
58 | #ifdef SIGILL | |
59 | return SIGILL; | |
60 | #else | |
61 | return SIGSEGV; | |
62 | #endif | |
63 | ||
64 | case SIM_SIGTRAP : | |
65 | return SIGTRAP; | |
66 | ||
67 | case SIM_SIGBUS : | |
68 | #ifdef SIGBUS | |
69 | return SIGBUS; | |
70 | #else | |
71 | return SIGSEGV; | |
72 | #endif | |
73 | ||
74 | case SIM_SIGSEGV : | |
75 | return SIGSEGV; | |
76 | ||
77 | case SIM_SIGXCPU : | |
78 | #ifdef SIGXCPU | |
79 | return SIGXCPU; | |
80 | #endif | |
81 | break; | |
82 | ||
83 | case SIM_SIGFPE: | |
aba6488e | 84 | #ifdef SIGFPE |
c906108c SS |
85 | return SIGFPE; |
86 | #endif | |
87 | break; | |
88 | ||
89 | case SIM_SIGNONE: | |
90 | return 0; | |
91 | break; | |
92 | } | |
93 | ||
94 | sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig); | |
95 | #ifdef SIGHUP | |
96 | return SIGHUP; /* FIXME: Suggestions? */ | |
97 | #else | |
98 | return 1; | |
99 | #endif | |
100 | } | |
aba6488e | 101 | |
2ea28649 | 102 | enum gdb_signal |
2c1fa544 | 103 | sim_signal_to_gdb_signal (SIM_DESC sd, SIM_SIGNAL sig) |
aba6488e MM |
104 | { |
105 | switch (sig) | |
106 | { | |
107 | case SIM_SIGINT : | |
a493e3e2 | 108 | return GDB_SIGNAL_INT; |
aba6488e MM |
109 | |
110 | case SIM_SIGABRT : | |
a493e3e2 | 111 | return GDB_SIGNAL_ABRT; |
aba6488e MM |
112 | |
113 | case SIM_SIGILL : | |
a493e3e2 | 114 | return GDB_SIGNAL_ILL; |
aba6488e MM |
115 | |
116 | case SIM_SIGTRAP : | |
a493e3e2 | 117 | return GDB_SIGNAL_TRAP; |
aba6488e MM |
118 | |
119 | case SIM_SIGBUS : | |
a493e3e2 | 120 | return GDB_SIGNAL_BUS; |
aba6488e | 121 | |
25520859 | 122 | case SIM_SIGSEGV : |
a493e3e2 | 123 | return GDB_SIGNAL_SEGV; |
aba6488e MM |
124 | |
125 | case SIM_SIGXCPU : | |
a493e3e2 | 126 | return GDB_SIGNAL_XCPU; |
aba6488e MM |
127 | |
128 | case SIM_SIGFPE: | |
a493e3e2 | 129 | return GDB_SIGNAL_FPE; |
aba6488e MM |
130 | break; |
131 | ||
132 | case SIM_SIGNONE: | |
a493e3e2 | 133 | return GDB_SIGNAL_0; |
aba6488e MM |
134 | break; |
135 | } | |
136 | ||
137 | sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig); | |
a493e3e2 | 138 | return GDB_SIGNAL_HUP; |
aba6488e | 139 | } |