1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 #ifndef _SYS_SYSTRACE_H
  28 #define _SYS_SYSTRACE_H
  29 
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31 
  32 #include <sys/dtrace.h>
  33 
  34 #ifdef  __cplusplus
  35 extern "C" {
  36 #endif
  37 
  38 #ifdef _KERNEL
  39 
  40 typedef struct systrace_sysent {
  41         dtrace_id_t     stsy_entry;
  42         dtrace_id_t     stsy_return;
  43         int64_t         (*stsy_underlying)();
  44 } systrace_sysent_t;
  45 
  46 extern systrace_sysent_t *systrace_sysent;
  47 extern systrace_sysent_t *systrace_sysent32;
  48 
  49 extern void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
  50     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
  51 extern void systrace_stub(dtrace_id_t, uintptr_t, uintptr_t,
  52     uintptr_t, uintptr_t, uintptr_t, uintptr_t);
  53 
  54 extern int64_t dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1,
  55     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
  56 
  57 #ifdef _SYSCALL32_IMPL
  58 extern int64_t dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1,
  59     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
  60 #endif
  61 
  62 #endif
  63 
  64 #ifdef  __cplusplus
  65 }
  66 #endif
  67 
  68 #endif  /* _SYS_SYSTRACE_H */