sys/compat/irix/irix_prctl.h

   1 /*      $NetBSD: irix_prctl.h,v 1.13 2007/12/06 14:53:36 ad 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_ */