93 lines
3.3 KiB
C
93 lines
3.3 KiB
C
/* Native support for i386 running SVR4.
|
|
Copyright 1986, 1987, 1989, 1992, 1996, 1997, 1998
|
|
Free Software Foundation, Inc.
|
|
Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu), July 1988.
|
|
|
|
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. */
|
|
|
|
#ifndef NM_I386V42MP_H
|
|
#define NM_I386V42MP_H
|
|
|
|
#include "config/nm-sysv4.h"
|
|
|
|
/* define to select for other sysv4.2mp weirdness (see procfs.c) */
|
|
|
|
#define UNIXWARE
|
|
|
|
#if 0
|
|
/* The following macros extract process and lwp/thread ids from a
|
|
composite id.
|
|
|
|
For consistency with UnixWare core files, allocate bits 0-15 for
|
|
process ids and bits 16 and up for lwp ids. Reserve bit 31 for
|
|
negative return values to indicate exceptions, and use bit 30 as a
|
|
flag to indicate a user-mode thread, leaving 14 bits for lwp
|
|
ids. */
|
|
|
|
/* Number of bits in composite id allocated to process number. */
|
|
#define PIDBITS 16
|
|
|
|
/* Return the process id stored in composite PID. */
|
|
#define PIDGET(PID) (((PID) & ((1 << PIDBITS) - 1)))
|
|
|
|
/* Return the thread or lwp id stored in composite PID. */
|
|
#define TIDGET(PID) (((PID) & 0x3fffffff) >> PIDBITS)
|
|
#define LIDGET(PID) TIDGET(PID)
|
|
|
|
/* Construct a composite id from lwp LID and the process portion of
|
|
composite PID. */
|
|
#define MERGEPID(PID, LID) (PIDGET(PID) | ((LID) << PIDBITS))
|
|
#define MKLID(PID, LID) MERGEPID(PID, LID)
|
|
|
|
/* Construct a composite id from thread TID and the process portion of
|
|
composite PID. */
|
|
#define MKTID(PID, TID) (MERGEPID(PID, TID) | 0x40000000)
|
|
|
|
/* Return whether PID contains a user-space thread id. */
|
|
#define ISTID(PID) ((PID) & 0x40000000)
|
|
#endif
|
|
|
|
/* New definitions of the ptid stuff. Due to the way the
|
|
code is structured in uw-thread.c, I'm overloading the thread id
|
|
and lwp id onto the lwp field. The tid field is used to indicate
|
|
whether the lwp is a tid or not.
|
|
|
|
FIXME: Check that core file support is not broken. (See original
|
|
#if 0'd comments above.)
|
|
FIXME: Restructure uw-thread.c so that the struct ptid fields
|
|
can be used as intended. */
|
|
|
|
/* Return the process id stored in composite PID. */
|
|
#define PIDGET(PID) (ptid_get_pid (PID))
|
|
|
|
/* Return the thread or lwp id stored in composite PID. */
|
|
#define TIDGET(PID) (ptid_get_lwp (PID))
|
|
#define LIDGET(PID) TIDGET(PID)
|
|
|
|
#define MERGEPID(PID, LID) (ptid_build ((PID), (LID), 0))
|
|
#define MKLID(PID, LID) (ptid_build ((PID), (LID), 0))
|
|
|
|
/* Construct a composite id from thread TID and the process portion of
|
|
composite PID. */
|
|
#define MKTID(PID, TID) (ptid_build ((PID), (TID), 1))
|
|
|
|
/* Return whether PID contains a user-space thread id. */
|
|
#define ISTID(PID) (ptid_get_tid (PID))
|
|
|
|
#endif /* NM_I386V42MP_H */
|