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  * Copyright 2014 Joyent, Inc.  All rights reserved.
  26  */
  27 
  28 #ifndef _SYS_SYSTRACE_H
  29 #define _SYS_SYSTRACE_H
  30 
  31 #include <sys/dtrace.h>
  32 
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36 
  37 #ifdef _KERNEL
  38 
  39 typedef struct systrace_sysent {
  40         dtrace_id_t     stsy_entry;
  41         dtrace_id_t     stsy_return;
  42         int64_t         (*stsy_underlying)();
  43 } systrace_sysent_t;
  44 
  45 extern systrace_sysent_t *systrace_sysent;
  46 extern systrace_sysent_t *systrace_sysent32;
  47 
  48 extern void (*systrace_probe)(dtrace_id_t, uintptr_t, uintptr_t,
  49     uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
  50 extern void systrace_stub(dtrace_id_t, uintptr_t, uintptr_t,
  51     uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
  52 
  53 extern int64_t dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1,
  54     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5,
  55     uintptr_t arg6, uintptr_t arg7);
  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     uintptr_t arg6, uintptr_t arg7);
  61 #endif
  62 
  63 #endif
  64 
  65 #ifdef  __cplusplus
  66 }
  67 #endif
  68 
  69 #endif  /* _SYS_SYSTRACE_H */