osfmk/kdp/ml/i386/kdp_vm.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 #include <mach/mach_types.h>
  31 #include <mach/vm_attributes.h>
  32 #include <mach/vm_param.h>
  33 #include <libsa/types.h>
  34
  35 unsigned kdp_vm_read( caddr_t, caddr_t, unsigned);
  36 unsigned kdp_vm_write( caddr_t, caddr_t, unsigned);
  37 unsigned kdp_copy_kmem( caddr_t, caddr_t, unsigned);
  38 int      kern_dump(void);
  39
  40 unsigned int not_in_kdp = 1; /* Cleared when we begin to access vm functions in kdp */
  41
  42 /*
  43  *
  44  */
  45 unsigned kdp_vm_read(
  46         caddr_t src,
  47         caddr_t dst,
  48         unsigned len)
  49 {
  50         return kdp_copy_kmem(src, dst, len);
  51 }
  52
  53 /*
  54  *
  55  */
  56 unsigned kdp_vm_write(
  57         caddr_t src,
  58         caddr_t dst,
  59         unsigned len)
  60 {
  61         return kdp_copy_kmem(src, dst, len);
  62 }
  63
  64 /* A stub until i386 support is added for remote kernel core dumps */
  65 int kern_dump(void)
  66 {
  67   return 0;
  68 }