bsd/sys/imgact.h

   1 /*
   2  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright (c) 1993, David Greenman
  25  * All rights reserved.
  26  *
  27  * Redistribution and use in source and binary forms, with or without
  28  * modification, are permitted provided that the following conditions
  29  * are met:
  30  * 1. Redistributions of source code must retain the above copyright
  31  *    notice, this list of conditions and the following disclaimer.
  32  * 2. Redistributions in binary form must reproduce the above copyright
  33  *    notice, this list of conditions and the following disclaimer in the
  34  *    documentation and/or other materials provided with the distribution.
  35  * 3. All advertising materials mentioning features or use of this software
  36  *    must display the following acknowledgement:
  37  *      This product includes software developed by the University of
  38  *      California, Berkeley and its contributors.
  39  * 4. Neither the name of the University nor the names of its contributors
  40  *    may be used to endorse or promote products derived from this software
  41  *    without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  44  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  45  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  47  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  53  * SUCH DAMAGE.
  54  */
  55 #ifndef _SYS_IMGACT_H_
  56 #define _SYS_IMGACT_H_
  57
  58 #define IMG_SHSIZE      512     /* largest shell interpreter, in bytes */
  59
  60 struct proc;
  61 struct nameidata;
  62
  63 struct image_params {
  64         user_addr_t     ip_user_fname;          /* argument */
  65         user_addr_t     ip_user_argv;           /* argument */
  66         user_addr_t     ip_user_envv;           /* argument */
  67         struct vnode    *ip_vp;                 /* file */
  68         struct vnode_attr       *ip_vattr;      /* run file attributes */
  69         struct vnode_attr       *ip_origvattr;  /* invocation file attributes */
  70         char            *ip_vdata;              /* file data (up to one page) */
  71         int             ip_flags;               /* image flags */
  72         int             ip_argc;                /* argument count */
  73         char            *ip_argv;               /* argument vector beginning */
  74         int             ip_envc;                /* environment count */
  75         char            *ip_strings;            /* base address for strings */
  76         char            *ip_strendp;            /* current end pointer */
  77         char            *ip_strendargvp;        /* end of argv/start of envp */
  78         int             ip_strspace;            /* remaining space */
  79         user_size_t     ip_arch_offset;         /* subfile offset in ip_vp */
  80         user_size_t     ip_arch_size;           /* subfile length in ip_vp */
  81         char            ip_interp_name[IMG_SHSIZE];     /* interpreter name */
  82
  83         /* Next two fields are for support of Classic... */
  84         char            *ip_p_comm;             /* optional alt p->p_comm */
  85         char            *ip_tws_cache_name;     /* task working set cache */
  86         struct vfs_context      *ip_vfs_context;        /* VFS context */
  87         struct nameidata *ip_ndp;               /* current nameidata */
  88         thread_t        ip_vfork_thread;        /* thread created, if vfork */
  89 };
  90
  91 /*
  92  * Image flags
  93  */
  94 #define IMGPF_NONE      0x00000000              /* No flags */
  95 #define IMGPF_INTERPRET 0x00000001              /* Interpreter invoked */
  96 #define IMGPF_RESERVED1 0x00000002              /* reserved */
  97 #define IMGPF_WAS_64BIT 0x00000004              /* exec from a 64Bit binary */
  98 #define IMGPF_IS_64BIT  0x00000008              /* exec to a 64Bit binary */
  99
 100 #endif  /* !_SYS_IMGACT */