| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Translate Mach exception codes into signal numbers. Stub version. |
| 2 | Copyright (C) 1991-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <hurd.h> |
| 20 | |
| 21 | /* This file must be modified with machine-dependent details. */ |
| 22 | #error "need to write sysdeps/mach/hurd/MACHINE/exc2signal.c" |
| 23 | |
| 24 | /* Translate the Mach exception codes, as received in an `exception_raise' RPC, |
| 25 | into a signal number and signal subcode. */ |
| 26 | |
| 27 | void |
| 28 | _hurd_exception2signal (int exception, int code, int subcode, |
| 29 | int *signo, int *sigcode, int *error) |
| 30 | { |
| 31 | *error = 0; |
| 32 | |
| 33 | switch (exception) |
| 34 | { |
| 35 | default: |
| 36 | *signo = SIGIOT; |
| 37 | *sigcode = exception; |
| 38 | break; |
| 39 | |
| 40 | case EXC_BAD_ACCESS: |
| 41 | if (code == KERN_PROTECTION_FAILURE) |
| 42 | *signo = SIGSEGV; |
| 43 | else |
| 44 | *signo = SIGBUS; |
| 45 | *sigcode = subcode; |
| 46 | *error = code; |
| 47 | break; |
| 48 | |
| 49 | case EXC_BAD_INSTRUCTION: |
| 50 | *signo = SIGILL; |
| 51 | *sigcode = 0; |
| 52 | break; |
| 53 | |
| 54 | case EXC_ARITHMETIC: |
| 55 | *signo = SIGFPE; |
| 56 | *sigcode = 0; |
| 57 | break; |
| 58 | |
| 59 | case EXC_EMULATION: |
| 60 | case EXC_SOFTWARE: |
| 61 | *signo = SIGEMT; |
| 62 | *sigcode = 0; |
| 63 | break; |
| 64 | |
| 65 | case EXC_BREAKPOINT: |
| 66 | *signo = SIGTRAP; |
| 67 | *sigcode = 0; |
| 68 | break; |
| 69 | } |
| 70 | } |