bsd/dev/dtrace/systrace.h

   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 #include <sys/dtrace.h>
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 typedef struct systrace_sysent {
  37         dtrace_id_t     stsy_entry;
  38         dtrace_id_t     stsy_return;
  39         int32_t         (*stsy_underlying)(struct proc *, void *, int *);
  40         int32_t         stsy_return_type;
  41 } systrace_sysent_t;
  42
  43 extern systrace_sysent_t *systrace_sysent;
  44 extern systrace_sysent_t *systrace_sysent32;
  45
  46 extern void (*systrace_probe)(dtrace_id_t, uint64_t, uint64_t,
  47     uint64_t, uint64_t, uint64_t);
  48 extern void systrace_stub(dtrace_id_t, uint64_t, uint64_t,
  49     uint64_t, uint64_t, uint64_t);
  50
  51 extern int32_t dtrace_systrace_syscall(struct proc *, void *, int *);
  52
  53 extern void dtrace_systrace_syscall_return(unsigned short, int, int *);
  54
  55 #ifdef  __cplusplus
  56 }
  57 #endif
  58
  59 #endif  /* _SYS_SYSTRACE_H */