1999-04-16 01:35:26 +00:00
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/* Native definitions for alpha running OSF/1-2.x, using procfs.
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Copyright (C) 1995 Free Software Foundation, Inc.
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1999-07-07 20:19:36 +00:00
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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1999-04-16 01:35:26 +00:00
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/* Get generic OSF/1 definitions. */
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#include "alpha/nm-osf.h"
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/* OSF/1-2.x has optional /proc support, try to use it instead of ptrace. */
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#define USE_PROC_FS
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#define HAVE_OPTIONAL_PROC_FS
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/* OSF/1 doesn't provide the standard fault definitions, so don't use them. */
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#define FAULTED_USE_SIGINFO
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/* Don't trace faults under OSF/1, rely on the posting of the appropriate
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signal if fault tracing is disabled.
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Tracing T_IFAULT under Alpha OSF/1 causes a `floating point enable'
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fault from which we cannot continue (except by disabling the
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tracing).
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And as OSF/1 doesn't provide the standard fault definitions, the
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mapping of faults to appropriate signals in procfs_wait is difficult. */
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#define PROCFS_DONT_TRACE_FAULTS
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/* Work around some peculiarities in the OSF/1 procfs implementation. */
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#define PROCFS_SIGPEND_OFFSET
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#define PROCFS_NEED_PIOCSSIG_FOR_KILL
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#define PROCFS_DONT_PIOCSSIG_CURSIG
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/* Return sizeof user struct to callers in less machine dependent routines */
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#define KERNEL_U_SIZE kernel_u_size()
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2000-05-28 01:12:42 +00:00
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extern int kernel_u_size (void);
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1999-04-16 01:35:26 +00:00
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/* poll() doesn't seem to work properly for /proc in this version of the OS.
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If we only specify POLLPRI, things hang. It seems to get better when we set
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POLLOUT, but that always returns POLLNVAL!!! Also, POLLOUT causes problems
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on other OSes. */
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#define LOSING_POLL
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