irix_prctl.h

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    1 /*      $NetBSD: irix_prctl.h,v 1.14 2008/04/28 20:23:41 martin Exp $ */
    2 
    3 /*-
    4  * Copyright (c) 2001-2002 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Emmanuel Dreyfus.
    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 #ifndef _IRIX_PRCTL_H_
   33 #define _IRIX_PRCTL_H_
   34 
   35 /* IRIX share group structure */
   36 struct irix_share_group {
   37         LIST_HEAD(isg_head, irix_emuldata) isg_head;    /* list head */
   38         krwlock_t isg_lock;                             /* list lock */
   39         int isg_refcount;
   40 };
   41 
   42 /*
   43  * List of shared vs unshared regions in the VM space. We need to maintain
   44  * this for all processes, not only processes belonging to a share group,
   45  * because a process can request a private mapping (MAP_LOCAL option to
   46  * mmap(2)) before becoming the member of a share group.
   47  */
   48 struct irix_shared_regions_rec {
   49         vaddr_t isrr_start;
   50         vsize_t isrr_len;
   51         int     isrr_shared;    /* shared or not shared */
   52 #define IRIX_ISRR_SHARED 1
   53 #define IRIX_ISRR_PRIVATE 0
   54         LIST_ENTRY(irix_shared_regions_rec) isrr_list;
   55 };
   56 
   57 int irix_prda_init(struct proc *);
   58 void irix_vm_sync(struct proc *);
   59 int irix_vm_fault(struct proc *, vaddr_t, vm_prot_t);
   60 void irix_isrr_insert(vaddr_t, vsize_t, int, struct proc *);
   61 
   62 /* macro used to wrap irix_vm_sync calls */
   63 #define IRIX_VM_SYNC(q,cmd)                                                   \
   64 if (((struct irix_emuldata *)((q)->p_emuldata))->ied_share_group == NULL ||   \
   65     ((struct irix_emuldata *)((q)->p_emuldata))->ied_shareaddr == 0) {        \
   66         (cmd);                                                                \
   67 } else {                                                                      \
   68         rw_enter(&((struct irix_emuldata *)                                   \
   69             ((q)->p_emuldata))->ied_share_group->isg_lock, RW_WRITER);        \
   70         (cmd);                                                                \
   71         irix_vm_sync((q));                                                    \
   72         rw_exit(&((struct irix_emuldata *)                                    \
   73             ((q)->p_emuldata))->ied_share_group->isg_lock);                   \
   74 }
   75 
   76 /* From IRIX's <sys/prctl.h> */
   77 
   78 #define IRIX_PR_MAXPROCS        1
   79 #define IRIX_PR_ISBLOCKED       2
   80 #define IRIX_PR_SETSTACKSIZE    3
   81 #define IRIX_PR_GETSTACKSIZE    4
   82 #define IRIX_PR_MAXPPROCS       5
   83 #define IRIX_PR_UNBLKONEXEC     6
   84 #define IRIX_PR_SETEXITSIG      8
   85 #define IRIX_PR_RESIDENT        9
   86 #define IRIX_PR_ATTACHADDR      10
   87 #define IRIX_PR_DETACHADDR      11
   88 #define IRIX_PR_TERMCHILD       12
   89 #define IRIX_PR_GETSHMASK       13
   90 #define IRIX_PR_GETNSHARE       14
   91 #define IRIX_PR_COREPID         15
   92 #define IRIX_PR_ATTACHADDRPERM  16
   93 #define IRIX_PR_PTHREADEXIT     17
   94 #define IRIX_PR_SETABORTSIG     18
   95 #define IRIX_PR_INIT_THREADS    20
   96 #define IRIX_PR_THREAD_CTL      21
   97 #define IRIX_PR_LASTSHEXIT      22
   98 
   99 /* sproc flags */
  100 #define IRIX_PR_SPROC           0x00000001
  101 #define IRIX_PR_SFDS            0x00000002
  102 #define IRIX_PR_SDIR            0x00000004
  103 #define IRIX_PR_SUMASK          0x00000008
  104 #define IRIX_PR_SULIMIT         0x00000010
  105 #define IRIX_PR_SID             0x00000020
  106 #define IRIX_PR_SADDR           0x00000040
  107 #define IRIX_PR_THREADS         0x00000080
  108 #define IRIX_PR_BLOCK           0x01000000
  109 #define IRIX_PR_NOLIBC          0x02000000
  110 #define IRIX_PR_EVENT           0x04000000
  111 
  112 /* blockproc constants */
  113 #define IRIX_PR_MAXBLOCKCNT     10000
  114 #define IRIX_PR_MINBLOCKCNT     -10000
  115 
  116 /* This is undocumented */
  117 #define IRIX_PROCBLK_BLOCK      0
  118 #define IRIX_PROCBLK_UNBLOCK    1
  119 #define IRIX_PROCBLK_COUNT      2
  120 #define IRIX_PROCBLK_BLOCKALL   3
  121 #define IRIX_PROCBLK_UNBLOCKALL 4
  122 #define IRIX_PROCBLK_COUNTALL   5
  123 #define IRIX_PROCBLK_ONLYONE    -3
  124 
  125 /* From <sys/prctl.h> */
  126 #define IRIX_PRDA               ((struct prda *)0x00200000L)
  127 struct irix_prda_sys {
  128         irix_pid_t      t_pid;
  129         uint32_t        t_hint;
  130         uint32_t        t_dlactseq;
  131         uint32_t        t_fpflags;
  132         uint32_t        t_prid;
  133         uint32_t        t_dlendseq;
  134         uint64_t        t_unused1[5];
  135         irix_pid_t      t_rpid;
  136         int32_t         t_resched;
  137         int32_t         t_syserror;
  138         int32_t         t_nid;
  139         int32_t         t_affinity_nid;
  140         uint32_t        t_unused2[5];
  141         uint32_t        t_cpu;
  142         uint32_t        t_flags;
  143         irix_k_sigset_t t_hold;
  144 };
  145 struct irix_prda {
  146         char    unused[2048];
  147         union {
  148                 char    fill[512];
  149                 uint32_t rsvd[8];
  150         } sys2_prda;
  151         union {
  152                 char fill[512];
  153         } lib2_prda;
  154         union {
  155                 char fill[512];
  156         } usr2rda;
  157         union {
  158                 struct irix_prda_sys prda_sys;
  159                 char fill[128];
  160         } sys_prda;
  161         union {
  162                 char fill[256];
  163         } lib_prda;
  164         union {
  165                 char fill[128];
  166         } usr_prda;
  167 };
  168 
  169 #endif /* _IRIX_PRCTL_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/compat/irix/irix_prctl.h

FreeBSD/Linux Kernel Cross Reference
sys/compat/irix/irix_prctl.h