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