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linux_emuldata.h revision 1.11 
      1 /*	$NetBSD: linux_emuldata.h,v 1.11 2006/06/25 16:15:39 manu Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998,2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <compat/linux/common/linux_machdep.h> /* For LINUX_NPTL */
     40 
     41 #ifndef _COMMON_LINUX_EMULDATA_H
     42 #define _COMMON_LINUX_EMULDATA_H
     43 
     44 /*
     45  * This is auxillary data the linux compat code
     46  * needs to do its work.  A pointer to it is
     47  * stored in the emuldata field of the proc
     48  * structure.
     49  */
     50 struct linux_emuldata_shared {
     51 	caddr_t	p_break;	/* Processes' idea of break */
     52 	int refs;
     53 	pid_t group_pid;	/* PID of Linux process (group of threads) */
     54 	/* List of Linux threads (NetBSD processes) in the Linux process */
     55 	LIST_HEAD(, linux_emuldata) threads;
     56 };
     57 
     58 struct linux_emuldata {
     59 #if notyet
     60 	sigset_t ps_siginfo;	/* Which signals have a RT handler */
     61 #endif
     62 	int	debugreg[8];	/* GDB information for ptrace - for use, */
     63 				/* see ../arch/i386/linux_ptrace.c */
     64 	struct linux_emuldata_shared *s;
     65 #ifdef LINUX_NPTL
     66 	int *child_set_tid;	/* in clone(): Child's TID to set on clone */
     67 	int *child_clear_tid;	/* in clone(): Child's TID to clear on exit */
     68 	int *set_tid;		/* in clone(): Own TID to set on clone */
     69 	int *clear_tid;		/* Own TID to clear on exit */
     70 	unsigned long set_tls;	/* New TLS in child if not 0 */
     71 #endif
     72 	/* List of Linux threads (NetBSD processes) in the Linux process */
     73 	LIST_ENTRY(linux_emuldata) threads;
     74 	struct proc *proc;	/* backpointer to struct proc */
     75 };
     76 
     77 #endif /* !_COMMON_LINUX_EMULDATA_H */
     78