linux_emuldata.h revision 1.14.40.1
1 /* $NetBSD: linux_emuldata.h,v 1.14.40.1 2008/05/16 02:23:42 yamt 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <compat/linux/common/linux_machdep.h> /* For LINUX_NPTL */ 33 34 #ifndef _COMMON_LINUX_EMULDATA_H 35 #define _COMMON_LINUX_EMULDATA_H 36 37 /* 38 * This is auxillary data the linux compat code 39 * needs to do its work. A pointer to it is 40 * stored in the emuldata field of the proc 41 * structure. 42 */ 43 struct linux_emuldata_shared { 44 void * p_break; /* Processes' idea of break */ 45 int refs; 46 pid_t group_pid; /* PID of Linux process (group of threads) */ 47 /* List of Linux threads (NetBSD processes) in the Linux process */ 48 LIST_HEAD(, linux_emuldata) threads; 49 int flags; /* See below */ 50 int xstat; /* Thread group exit code, for exit_group */ 51 }; 52 53 #define LINUX_LES_INEXITGROUP 0x1 /* thread group doing exit_group() */ 54 #define LINUX_LES_USE_NPTL 0x2 /* Need to emulate NPTL threads */ 55 56 struct linux_emuldata { 57 #if notyet 58 sigset_t ps_siginfo; /* Which signals have a RT handler */ 59 #endif 60 int debugreg[8]; /* GDB information for ptrace - for use, */ 61 /* see ../arch/i386/linux_ptrace.c */ 62 struct linux_emuldata_shared *s; 63 #ifdef LINUX_NPTL 64 void *parent_tidptr; /* Used during clone() */ 65 void *child_tidptr; /* Used during clone() */ 66 int clone_flags; /* Used during clone() */ 67 void *clear_tid; /* Own TID to clear on exit */ 68 void *set_tls; /* Pointer to child TLS desc in user space */ 69 #if 0 70 int *child_set_tid; /* in clone(): Child's TID to set on clone */ 71 int *child_clear_tid; /* in clone(): Child's TID to clear on exit */ 72 int *set_tid; /* in clone(): Own TID to set on clone */ 73 int flags; /* See above */ 74 #endif 75 #endif 76 /* List of Linux threads (NetBSD processes) in the Linux process */ 77 LIST_ENTRY(linux_emuldata) threads; 78 struct proc *proc; /* backpointer to struct proc */ 79 }; 80 81 #define LINUX_CHILD_QUIETEXIT 0x1 /* Child will have quietexit set */ 82 #define LINUX_QUIETEXIT 0x2 /* Quiet exit (no zombie state) */ 83 84 #endif /* !_COMMON_LINUX_EMULDATA_H */ 85
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