1 | /* Translate Mach exception codes into signal numbers. Stub version. |
2 | Copyright (C) 1991-2022 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 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <hurd.h> |
20 | #include <hurd/signal.h> |
21 | |
22 | /* This file must be modified with machine-dependent details. */ |
23 | #error "need to write sysdeps/mach/hurd/MACHINE/exc2signal.c" |
24 | |
25 | /* Translate the Mach exception codes, as received in an `exception_raise' RPC, |
26 | into a signal number and signal subcode. */ |
27 | |
28 | void |
29 | _hurd_exception2signal (struct hurd_signal_detail *detail, int *signo) |
30 | { |
31 | detail->error = 0; |
32 | |
33 | switch (detail->exc) |
34 | { |
35 | default: |
36 | *signo = SIGIOT; |
37 | detail->code = detail->exc; |
38 | break; |
39 | |
40 | case EXC_BAD_ACCESS: |
41 | if (detail->exc_code == KERN_PROTECTION_FAILURE) |
42 | *signo = SIGSEGV; |
43 | else |
44 | *signo = SIGBUS; |
45 | detail->code = detail->exc_subcode; |
46 | detail->error = detail->exc_code; |
47 | break; |
48 | |
49 | case EXC_BAD_INSTRUCTION: |
50 | *signo = SIGILL; |
51 | detail->code = 0; |
52 | break; |
53 | |
54 | case EXC_ARITHMETIC: |
55 | *signo = SIGFPE; |
56 | detail->code = 0; |
57 | break; |
58 | |
59 | case EXC_EMULATION: |
60 | case EXC_SOFTWARE: |
61 | *signo = SIGEMT; |
62 | detail->code = 0; |
63 | break; |
64 | |
65 | case EXC_BREAKPOINT: |
66 | *signo = SIGTRAP; |
67 | detail->code = 0; |
68 | break; |
69 | } |
70 | } |
71 | libc_hidden_def (_hurd_exception2signal) |
72 | |