| /* Translate Mach exception codes into signal numbers. Stub version. |
| Copyright (C) 1991-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <hurd.h> |
| #include <hurd/signal.h> |
| |
| /* This file must be modified with machine-dependent details. */ |
| #error "need to write sysdeps/mach/hurd/MACHINE/exc2signal.c" |
| |
| /* Translate the Mach exception codes, as received in an `exception_raise' RPC, |
| into a signal number and signal subcode. */ |
| |
| void |
| _hurd_exception2signal (struct hurd_signal_detail *detail, int *signo) |
| { |
| detail->error = 0; |
| |
| switch (detail->exc) |
| { |
| default: |
| *signo = SIGIOT; |
| detail->code = detail->exc; |
| break; |
| |
| case EXC_BAD_ACCESS: |
| if (detail->exc_code == KERN_PROTECTION_FAILURE) |
| *signo = SIGSEGV; |
| else |
| *signo = SIGBUS; |
| detail->code = detail->exc_subcode; |
| detail->error = detail->exc_code; |
| break; |
| |
| case EXC_BAD_INSTRUCTION: |
| *signo = SIGILL; |
| detail->code = 0; |
| break; |
| |
| case EXC_ARITHMETIC: |
| *signo = SIGFPE; |
| detail->code = 0; |
| break; |
| |
| case EXC_EMULATION: |
| case EXC_SOFTWARE: |
| *signo = SIGEMT; |
| detail->code = 0; |
| break; |
| |
| case EXC_BREAKPOINT: |
| *signo = SIGTRAP; |
| detail->code = 0; |
| break; |
| } |
| } |