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 /* #pragma ident        "@(#)systrace.h 1.3     06/09/19 SMI" */
  31
  32 #ifdef KERNEL
  33 #ifndef _KERNEL
  34 #define _KERNEL /* Solaris vs. Darwin */
  35 #endif
  36 #endif
  37
  38 #include <sys/dtrace.h>
  39
  40 #ifdef  __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 #ifdef _KERNEL
  45
  46 typedef struct systrace_sysent {
  47         dtrace_id_t     stsy_entry;
  48         dtrace_id_t     stsy_return;
  49         int32_t         (*stsy_underlying)(struct proc *, void *, int *);
  50         int32_t         stsy_return_type;
  51 } systrace_sysent_t;
  52
  53 extern systrace_sysent_t *systrace_sysent;
  54 extern systrace_sysent_t *systrace_sysent32;
  55
  56 extern void (*systrace_probe)(dtrace_id_t, uint64_t, uint64_t,
  57     uint64_t, uint64_t, uint64_t);
  58 extern void systrace_stub(dtrace_id_t, uint64_t, uint64_t,
  59     uint64_t, uint64_t, uint64_t);
  60
  61 extern int32_t dtrace_systrace_syscall(struct proc *, void *, int *);
  62
  63 extern void dtrace_systrace_syscall_return(unsigned short, int, int *);
  64
  65 #ifdef _SYSCALL32_IMPL
  66 extern int64_t dtrace_systrace_syscall32(uintptr_t arg0, uintptr_t arg1,
  67     uintptr_t arg2, uintptr_t arg3, uintptr_t arg4, uintptr_t arg5);
  68 #endif
  69
  70 #endif /* _KERNEL */
  71
  72 #ifdef  __cplusplus
  73 }
  74 #endif
  75
  76 #endif  /* _SYS_SYSTRACE_H */