| /* Native definitions for alpha running OSF/1-2.x, using procfs. |
| Copyright 1995, 1996, 2000 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* Get generic OSF/1 definitions. */ |
| #include "alpha/nm-osf.h" |
| |
| /* OSF/1-2.x has optional /proc support, try to use it instead of ptrace. */ |
| #define USE_PROC_FS |
| #define HAVE_OPTIONAL_PROC_FS |
| |
| /* OSF/1 doesn't provide the standard fault definitions, so don't use them. */ |
| #define FAULTED_USE_SIGINFO |
| |
| /* Don't trace faults under OSF/1, rely on the posting of the appropriate |
| signal if fault tracing is disabled. |
| Tracing T_IFAULT under Alpha OSF/1 causes a `floating point enable' |
| fault from which we cannot continue (except by disabling the |
| tracing). |
| And as OSF/1 doesn't provide the standard fault definitions, the |
| mapping of faults to appropriate signals in procfs_wait is difficult. */ |
| #define PROCFS_DONT_TRACE_FAULTS |
| |
| /* Work around some peculiarities in the OSF/1 procfs implementation. */ |
| #define PROCFS_SIGPEND_OFFSET |
| #define PROCFS_NEED_PIOCSSIG_FOR_KILL |
| #define PROCFS_DONT_PIOCSSIG_CURSIG |
| |
| /* Return sizeof user struct to callers in less machine dependent routines */ |
| |
| #define KERNEL_U_SIZE kernel_u_size() |
| extern int kernel_u_size (void); |
| |
| /* poll() doesn't seem to work properly for /proc in this version of the OS. |
| If we only specify POLLPRI, things hang. It seems to get better when we set |
| POLLOUT, but that always returns POLLNVAL!!! Also, POLLOUT causes problems |
| on other OSes. */ |
| |
| #define LOSING_POLL |