sys/compat/darwin/darwin_ptrace.c

   1 /*      $NetBSD: darwin_ptrace.c,v 1.14.8.3 2008/11/20 20:45:38 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2003 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 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: darwin_ptrace.c,v 1.14.8.3 2008/11/20 20:45:38 christos Exp $");
  34
  35 #include <sys/types.h>
  36 #include <sys/param.h>
  37 #include <sys/systm.h>
  38 #include <sys/mount.h>
  39 #include <sys/proc.h>
  40 #include <sys/ptrace.h>
  41
  42 #include <sys/syscall.h>
  43 #include <sys/syscallargs.h>
  44
  45 #include <compat/sys/signal.h>
  46
  47 #include <compat/mach/mach_types.h>
  48 #include <compat/mach/mach_vm.h>
  49
  50 #include <compat/darwin/darwin_types.h>
  51 #include <compat/darwin/darwin_exec.h>
  52 #include <compat/darwin/darwin_audit.h>
  53 #include <compat/darwin/darwin_ptrace.h>
  54 #include <compat/darwin/darwin_syscallargs.h>
  55
  56 #define ISSET(t, f)     ((t) & (f))
  57
  58 int
  59 darwin_sys_ptrace(struct lwp *l, const struct darwin_sys_ptrace_args *uap, register_t *retval)
  60 {
  61         /* {
  62                 syscallarg(int) req;
  63                 syscallarg(pid_t) pid;
  64                 syscallarg(void *) addr;
  65                 syscallarg(int) data;
  66         } */
  67
  68         return ENOSYS;  /* code was badly broken */
  69 }
  70
  71 int
  72 darwin_sys_kdebug_trace(struct lwp *l, const struct darwin_sys_kdebug_trace_args *uap, register_t *retval)
  73 {
  74         /* {
  75                 syscallarg(int) debugid;
  76                 syscallarg(int) arg1;
  77                 syscallarg(int) arg2;
  78                 syscallarg(int) arg3;
  79                 syscallarg(int) arg4;
  80                 syscallarg(int) arg5;
  81         } */
  82         int args[4];
  83         char *str;
  84
  85         args[0] = SCARG(uap, arg1);
  86         args[1] = SCARG(uap, arg2);
  87         args[2] = SCARG(uap, arg3);
  88         args[3] = 0;
  89         str = (char*)args;
  90
  91 #ifdef DEBUG_DARWIN
  92         printf("darwin_sys_kdebug_trace(%x, (%x %x %x)/\"%s\", %x, %x)\n",
  93             SCARG(uap, debugid), SCARG(uap, arg1), SCARG(uap, arg2),
  94             SCARG(uap, arg3), str, SCARG(uap, arg4), SCARG(uap, arg5));
  95 #endif
  96         return 0;
  97 }