diff options
Diffstat (limited to 'REORG.TODO/hurd/exc2signal.c')
-rw-r--r-- | REORG.TODO/hurd/exc2signal.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/REORG.TODO/hurd/exc2signal.c b/REORG.TODO/hurd/exc2signal.c new file mode 100644 index 0000000000..3b9df0cca8 --- /dev/null +++ b/REORG.TODO/hurd/exc2signal.c @@ -0,0 +1,70 @@ +/* Translate Mach exception codes into signal numbers. Stub version. + Copyright (C) 1991-2017 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; + } +} |