Commit | Line | Data |
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c906108c | 1 | /* Native definitions for alpha running OSF/1-2.x, using procfs. |
b6ba6518 | 2 | Copyright 1995, 1996, 2000 Free Software Foundation, Inc. |
c906108c | 3 | |
c5aa993b JM |
4 | This file is part of GDB. |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | /* Get generic OSF/1 definitions. */ | |
22 | #include "alpha/nm-osf.h" | |
23 | ||
24 | /* OSF/1-2.x has optional /proc support, try to use it instead of ptrace. */ | |
25 | #define USE_PROC_FS | |
26 | #define HAVE_OPTIONAL_PROC_FS | |
27 | ||
28 | /* OSF/1 doesn't provide the standard fault definitions, so don't use them. */ | |
29 | #define FAULTED_USE_SIGINFO | |
30 | ||
31 | /* Don't trace faults under OSF/1, rely on the posting of the appropriate | |
32 | signal if fault tracing is disabled. | |
33 | Tracing T_IFAULT under Alpha OSF/1 causes a `floating point enable' | |
34 | fault from which we cannot continue (except by disabling the | |
35 | tracing). | |
36 | And as OSF/1 doesn't provide the standard fault definitions, the | |
37 | mapping of faults to appropriate signals in procfs_wait is difficult. */ | |
38 | #define PROCFS_DONT_TRACE_FAULTS | |
39 | ||
40 | /* Work around some peculiarities in the OSF/1 procfs implementation. */ | |
41 | #define PROCFS_SIGPEND_OFFSET | |
42 | #define PROCFS_NEED_PIOCSSIG_FOR_KILL | |
43 | #define PROCFS_DONT_PIOCSSIG_CURSIG | |
44 | ||
45 | /* Return sizeof user struct to callers in less machine dependent routines */ | |
46 | ||
47 | #define KERNEL_U_SIZE kernel_u_size() | |
a14ed312 | 48 | extern int kernel_u_size (void); |
c906108c SS |
49 | |
50 | /* poll() doesn't seem to work properly for /proc in this version of the OS. | |
51 | If we only specify POLLPRI, things hang. It seems to get better when we set | |
52 | POLLOUT, but that always returns POLLNVAL!!! Also, POLLOUT causes problems | |
53 | on other OSes. */ | |
54 | ||
55 | #define LOSING_POLL |