92 lines
3.8 KiB
C
92 lines
3.8 KiB
C
/* $NetBSD: linux_emuldata.h,v 1.14 2007/03/04 06:01:23 christos Exp $ */
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/*-
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* Copyright (c) 1998,2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Eric Haszlakiewicz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <compat/linux/common/linux_machdep.h> /* For LINUX_NPTL */
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#ifndef _COMMON_LINUX_EMULDATA_H
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#define _COMMON_LINUX_EMULDATA_H
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/*
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* This is auxillary data the linux compat code
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* needs to do its work. A pointer to it is
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* stored in the emuldata field of the proc
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* structure.
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*/
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struct linux_emuldata_shared {
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void * p_break; /* Processes' idea of break */
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int refs;
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pid_t group_pid; /* PID of Linux process (group of threads) */
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/* List of Linux threads (NetBSD processes) in the Linux process */
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LIST_HEAD(, linux_emuldata) threads;
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int flags; /* See below */
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int xstat; /* Thread group exit code, for exit_group */
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};
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#define LINUX_LES_INEXITGROUP 0x1 /* thread group doing exit_group() */
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#define LINUX_LES_USE_NPTL 0x2 /* Need to emulate NPTL threads */
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struct linux_emuldata {
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#if notyet
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sigset_t ps_siginfo; /* Which signals have a RT handler */
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#endif
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int debugreg[8]; /* GDB information for ptrace - for use, */
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/* see ../arch/i386/linux_ptrace.c */
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struct linux_emuldata_shared *s;
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#ifdef LINUX_NPTL
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void *parent_tidptr; /* Used during clone() */
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void *child_tidptr; /* Used during clone() */
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int clone_flags; /* Used during clone() */
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void *clear_tid; /* Own TID to clear on exit */
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void *set_tls; /* Pointer to child TLS desc in user space */
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#if 0
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int *child_set_tid; /* in clone(): Child's TID to set on clone */
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int *child_clear_tid; /* in clone(): Child's TID to clear on exit */
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int *set_tid; /* in clone(): Own TID to set on clone */
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int flags; /* See above */
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#endif
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#endif
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/* List of Linux threads (NetBSD processes) in the Linux process */
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LIST_ENTRY(linux_emuldata) threads;
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struct proc *proc; /* backpointer to struct proc */
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};
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#define LINUX_CHILD_QUIETEXIT 0x1 /* Child will have quietexit set */
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#define LINUX_QUIETEXIT 0x2 /* Quiet exit (no zombie state) */
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#endif /* !_COMMON_LINUX_EMULDATA_H */
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