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