eeb799a6c9
private to the process within the share group. There is one bit missing in this implementation: when replicating a change in a process VM to the other process of the share group, we avoid copying mappings for private regions in the target process, but we don't prevent copying private regions from the source process.
179 lines
6.0 KiB
C
179 lines
6.0 KiB
C
/* $NetBSD: irix_prctl.h,v 1.8 2002/10/14 21:14:25 manu Exp $ */
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/*-
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* Copyright (c) 2001-2002 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 Emmanuel Dreyfus.
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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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#ifndef _IRIX_PRCTL_H_
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#define _IRIX_PRCTL_H_
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/* IRIX share group structure */
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struct irix_share_group {
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LIST_HEAD(isg_head, irix_emuldata) isg_head; /* list head */
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struct lock isg_lock; /* list lock */
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int isg_refcount;
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};
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/*
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* List of shared vs unshared regions in the VM space. We need to maintain
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* this for all processes, not only processes belonging to a share group,
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* because a process can request a private mapping (MAP_LOCAL option to
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* mmap(2)) before becoming the member of a share group.
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*/
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struct irix_shared_regions_rec {
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vaddr_t isrr_start;
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vsize_t isrr_len;
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int isrr_shared; /* shared or not shared */
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#define IRIX_ISRR_SHARED 1
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#define IRIX_ISRR_PRIVATE 0
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LIST_ENTRY(irix_shared_regions_rec) isrr_list;
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};
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int irix_prda_init __P((struct proc *));
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void irix_vm_sync __P((struct proc *));
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int irix_vm_fault __P((struct proc *, vaddr_t, vm_fault_t, vm_prot_t));
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void irix_isrr_insert __P((vaddr_t, vsize_t, int, struct proc *));
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/* macro used to wrap irix_vm_sync calls */
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#define IRIX_VM_SYNC(q,cmd) \
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if (((struct irix_emuldata *)((q)->p_emuldata))->ied_share_group == NULL || \
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((struct irix_emuldata *)((q)->p_emuldata))->ied_shareaddr == 0) { \
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(cmd); \
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} else { \
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lockmgr(&((struct irix_emuldata *) \
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((q)->p_emuldata))->ied_share_group->isg_lock, \
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LK_EXCLUSIVE, NULL); \
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(cmd); \
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irix_vm_sync((q)); \
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lockmgr(&((struct irix_emuldata *) \
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((q)->p_emuldata))->ied_share_group->isg_lock, \
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LK_RELEASE, NULL); \
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}
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/* From IRIX's <sys/prctl.h> */
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#define IRIX_PR_MAXPROCS 1
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#define IRIX_PR_ISBLOCKED 2
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#define IRIX_PR_SETSTACKSIZE 3
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#define IRIX_PR_GETSTACKSIZE 4
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#define IRIX_PR_MAXPPROCS 5
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#define IRIX_PR_UNBLKONEXEC 6
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#define IRIX_PR_SETEXITSIG 8
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#define IRIX_PR_RESIDENT 9
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#define IRIX_PR_ATTACHADDR 10
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#define IRIX_PR_DETACHADDR 11
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#define IRIX_PR_TERMCHILD 12
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#define IRIX_PR_GETSHMASK 13
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#define IRIX_PR_GETNSHARE 14
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#define IRIX_PR_COREPID 15
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#define IRIX_PR_ATTACHADDRPERM 16
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#define IRIX_PR_PTHREADEXIT 17
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#define IRIX_PR_SETABORTSIG 18
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#define IRIX_PR_INIT_THREADS 20
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#define IRIX_PR_THREAD_CTL 21
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#define IRIX_PR_LASTSHEXIT 22
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/* sproc flags */
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#define IRIX_PR_SPROC 0x00000001
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#define IRIX_PR_SFDS 0x00000002
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#define IRIX_PR_SDIR 0x00000004
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#define IRIX_PR_SUMASK 0x00000008
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#define IRIX_PR_SULIMIT 0x00000010
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#define IRIX_PR_SID 0x00000020
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#define IRIX_PR_SADDR 0x00000040
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#define IRIX_PR_THREADS 0x00000080
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#define IRIX_PR_BLOCK 0x01000000
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#define IRIX_PR_NOLIBC 0x02000000
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#define IRIX_PR_EVENT 0x04000000
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/* blockproc constants */
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#define IRIX_PR_MAXBLOCKCNT 10000
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#define IRIX_PR_MINBLOCKCNT -10000
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/* This is undocumented */
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#define IRIX_PROCBLK_BLOCK 0
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#define IRIX_PROCBLK_UNBLOCK 1
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#define IRIX_PROCBLK_COUNT 2
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#define IRIX_PROCBLK_BLOCKALL 3
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#define IRIX_PROCBLK_UNBLOCKALL 4
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#define IRIX_PROCBLK_COUNTALL 5
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#define IRIX_PROCBLK_ONLYONE -3
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/* From <sys/prctl.h> */
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#define IRIX_PRDA ((struct prda *)0x00200000L)
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struct irix_prda_sys {
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irix_pid_t t_pid;
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uint32_t t_hint;
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uint32_t t_dlactseq;
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uint32_t t_fpflags;
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uint32_t t_prid;
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uint32_t t_dlendseq;
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uint64_t t_unused1[5];
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irix_pid_t t_rpid;
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int32_t t_resched;
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int32_t t_syserror;
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int32_t t_nid;
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int32_t t_affinity_nid;
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uint32_t t_unused2[5];
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uint32_t t_cpu;
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uint32_t t_flags;
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irix_k_sigset_t t_hold;
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};
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struct irix_prda {
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char unused[2048];
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union {
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char fill[512];
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uint32_t rsvd[8];
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} sys2_prda;
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union {
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char fill[512];
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} lib2_prda;
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union {
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char fill[512];
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} usr2rda;
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union {
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struct irix_prda_sys prda_sys;
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char fill[128];
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} sys_prda;
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union {
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char fill[256];
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} lib_prda;
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union {
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char fill[128];
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} usr_prda;
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};
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#endif /* _IRIX_PRCTL_H_ */
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