| /* Macro definitions for GDB on an Intel i386 running SVR4.2MP |
| Copyright 1991, 1994, 1997, 1999, 2000 Free Software Foundation, Inc. |
| Written by Fred Fish at Cygnus Support (fnf@cygnus.com) |
| |
| 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 TM_I386V42MP_H |
| #define TM_I386V42MP_H 1 |
| |
| /* pick up more generic x86 sysv4 stuff */ |
| |
| #include "i386/tm-i386v4.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 /* ifndef TM_I386V42MP_H */ |