mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
|
/* Native definitions for alpha running OSF/1-2.x, using procfs.
|
||
|
|
Copyright (C) 1995 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 PARAMS ((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
|