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28f540f4 | 1 | /* Translate Mach exception codes into signal numbers. Stub version. |
6d7e8eda | 2 | Copyright (C) 1991-2023 Free Software Foundation, Inc. |
478b92f0 | 3 | This file is part of the GNU C Library. |
28f540f4 | 4 | |
478b92f0 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 9 | |
478b92f0 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
28f540f4 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
28f540f4 RM |
18 | |
19 | #include <hurd.h> | |
aea5c834 | 20 | #include <hurd/signal.h> |
28f540f4 | 21 | |
10ceac89 RM |
22 | /* This file must be modified with machine-dependent details. */ |
23 | #error "need to write sysdeps/mach/hurd/MACHINE/exc2signal.c" | |
24 | ||
28f540f4 RM |
25 | /* Translate the Mach exception codes, as received in an `exception_raise' RPC, |
26 | into a signal number and signal subcode. */ | |
27 | ||
28 | void | |
aea5c834 | 29 | _hurd_exception2signal (struct hurd_signal_detail *detail, int *signo) |
28f540f4 | 30 | { |
aea5c834 | 31 | detail->error = 0; |
28f540f4 | 32 | |
aea5c834 | 33 | switch (detail->exc) |
28f540f4 RM |
34 | { |
35 | default: | |
36 | *signo = SIGIOT; | |
aea5c834 | 37 | detail->code = detail->exc; |
28f540f4 | 38 | break; |
478b92f0 | 39 | |
28f540f4 | 40 | case EXC_BAD_ACCESS: |
aea5c834 | 41 | if (detail->exc_code == KERN_PROTECTION_FAILURE) |
28f540f4 RM |
42 | *signo = SIGSEGV; |
43 | else | |
44 | *signo = SIGBUS; | |
aea5c834 ST |
45 | detail->code = detail->exc_subcode; |
46 | detail->error = detail->exc_code; | |
28f540f4 RM |
47 | break; |
48 | ||
49 | case EXC_BAD_INSTRUCTION: | |
50 | *signo = SIGILL; | |
aea5c834 | 51 | detail->code = 0; |
28f540f4 | 52 | break; |
478b92f0 | 53 | |
28f540f4 RM |
54 | case EXC_ARITHMETIC: |
55 | *signo = SIGFPE; | |
aea5c834 | 56 | detail->code = 0; |
28f540f4 RM |
57 | break; |
58 | ||
478b92f0 | 59 | case EXC_EMULATION: |
28f540f4 RM |
60 | case EXC_SOFTWARE: |
61 | *signo = SIGEMT; | |
aea5c834 | 62 | detail->code = 0; |
28f540f4 | 63 | break; |
478b92f0 | 64 | |
28f540f4 RM |
65 | case EXC_BREAKPOINT: |
66 | *signo = SIGTRAP; | |
aea5c834 | 67 | detail->code = 0; |
28f540f4 RM |
68 | break; |
69 | } | |
70 | } | |
7a8f45e3 | 71 | libc_hidden_def (_hurd_exception2signal) |