bsd/sys/ptrace_internal.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  23 /*
  24  * Copyright (c) 1982, 1986, 1993, 1994
  25  *      The Regents of the University of California.  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 REGENTS 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  *      @(#)uio.h       8.5 (Berkeley) 2/22/94
  56  */
  57
  58 #ifndef _SYS_PTRACE_INTERNAL_H_
  59 #define _SYS_PTRACE_INTERNAL_H_
  60
  61 #include <sys/appleapiopts.h>
  62
  63 #ifdef KERNEL_PRIVATE
  64 #include <sys/ptrace.h>
  65
  66 /*
  67  * Additional request flags used by shipping 3rd party products that have been
  68  * patching ptrace.  We should be able to remove these additional requests once
  69  * the 3rd party products move to the KPis introduced in Tiger.
  70  */
  71
  72 #define PT_VENDOR_REQUEST1      5561    /* reserved for 3rd party vendor */
  73
  74
  75 __BEGIN_DECLS
  76
  77 /*
  78  * WARNING - these are temporary KPI that allow binary compatibility with
  79  * shipping product that must patch ptrace.  These KPI will be removed in the
  80  * next system release that follows Tiger.  radar - 3928003
  81  *
  82  * temp_patch_ptrace - patch ptrace using new_ptrace as current implementation.
  83  *              Returns the address of the original ptrace implementation.
  84  *
  85  * temp_unpatch_ptrace - restore ptrace to the original implementation.  Caller
  86  *              must insure all inflight ptrace requests have drained before their kext
  87  *              is unloaded.
  88  */
  89 uintptr_t temp_patch_ptrace(uintptr_t new_ptrace);
  90 void temp_unpatch_ptrace(void);
  91
  92 __END_DECLS
  93
  94
  95
  96 #endif /* KERNEL */
  97 #endif /* !_SYS_PTRACE_INTERNAL_H_ */