| 1 | /* Simulator signal support |
| 2 | Copyright (C) 1997, 2007, 2008 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 3 of the License, or |
| 10 | (at your option) 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 |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include <signal.h> |
| 21 | #include "sim-main.h" |
| 22 | |
| 23 | /* Convert SIM_SIGFOO to SIGFOO. |
| 24 | What to do when the host doesn't have SIGFOO is handled on a case by case |
| 25 | basis. Generally, in the case of passing a value back to gdb, we want gdb |
| 26 | to not think the process has died (so it can be debugged at the point of |
| 27 | failure). */ |
| 28 | |
| 29 | #ifdef _MSC_VER |
| 30 | #ifndef SIGTRAP |
| 31 | #define SIGTRAP 5 |
| 32 | #endif |
| 33 | #ifndef SIGBUS |
| 34 | #define SIGBUS 10 |
| 35 | #endif |
| 36 | #ifndef SIGQUIT |
| 37 | #define SIGQUIT 3 |
| 38 | #endif |
| 39 | #endif |
| 40 | |
| 41 | int |
| 42 | sim_signal_to_host (SIM_DESC sd, SIM_SIGNAL sig) |
| 43 | { |
| 44 | switch (sig) |
| 45 | { |
| 46 | case SIM_SIGINT : |
| 47 | return SIGINT; |
| 48 | |
| 49 | case SIM_SIGABRT : |
| 50 | return SIGABRT; |
| 51 | |
| 52 | case SIM_SIGILL : |
| 53 | #ifdef SIGILL |
| 54 | return SIGILL; |
| 55 | #else |
| 56 | return SIGSEGV; |
| 57 | #endif |
| 58 | |
| 59 | case SIM_SIGTRAP : |
| 60 | return SIGTRAP; |
| 61 | |
| 62 | case SIM_SIGBUS : |
| 63 | #ifdef SIGBUS |
| 64 | return SIGBUS; |
| 65 | #else |
| 66 | return SIGSEGV; |
| 67 | #endif |
| 68 | |
| 69 | case SIM_SIGSEGV : |
| 70 | return SIGSEGV; |
| 71 | |
| 72 | case SIM_SIGXCPU : |
| 73 | #ifdef SIGXCPU |
| 74 | return SIGXCPU; |
| 75 | #endif |
| 76 | break; |
| 77 | |
| 78 | case SIM_SIGFPE: |
| 79 | #ifdef SIGFPE |
| 80 | return SIGFPE; |
| 81 | #endif |
| 82 | break; |
| 83 | |
| 84 | case SIM_SIGNONE: |
| 85 | return 0; |
| 86 | break; |
| 87 | } |
| 88 | |
| 89 | sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig); |
| 90 | #ifdef SIGHUP |
| 91 | return SIGHUP; /* FIXME: Suggestions? */ |
| 92 | #else |
| 93 | return 1; |
| 94 | #endif |
| 95 | } |
| 96 | |
| 97 | enum target_signal |
| 98 | sim_signal_to_target (SIM_DESC sd, SIM_SIGNAL sig) |
| 99 | { |
| 100 | switch (sig) |
| 101 | { |
| 102 | case SIM_SIGINT : |
| 103 | return TARGET_SIGNAL_INT; |
| 104 | |
| 105 | case SIM_SIGABRT : |
| 106 | return TARGET_SIGNAL_ABRT; |
| 107 | |
| 108 | case SIM_SIGILL : |
| 109 | return TARGET_SIGNAL_ILL; |
| 110 | |
| 111 | case SIM_SIGTRAP : |
| 112 | return TARGET_SIGNAL_TRAP; |
| 113 | |
| 114 | case SIM_SIGBUS : |
| 115 | return TARGET_SIGNAL_BUS; |
| 116 | |
| 117 | case SIM_SIGSEGV : |
| 118 | return TARGET_SIGNAL_SEGV; |
| 119 | |
| 120 | case SIM_SIGXCPU : |
| 121 | return TARGET_SIGNAL_XCPU; |
| 122 | |
| 123 | case SIM_SIGFPE: |
| 124 | return TARGET_SIGNAL_FPE; |
| 125 | break; |
| 126 | |
| 127 | case SIM_SIGNONE: |
| 128 | return TARGET_SIGNAL_0; |
| 129 | break; |
| 130 | } |
| 131 | |
| 132 | sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig); |
| 133 | return TARGET_SIGNAL_HUP; |
| 134 | } |