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 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 /*
  28  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  29  * Copyright (c) 2012 by Delphix. All rights reserved.
  30  */
  31 
  32 #ifndef _SYS_DTRACE_H
  33 #define _SYS_DTRACE_H
  34 
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38 
  39 /*
  40  * DTrace Dynamic Tracing Software: Kernel Interfaces
  41  *
  42  * Note: The contents of this file are private to the implementation of the
  43  * Solaris system and DTrace subsystem and are subject to change at any time
  44  * without notice.  Applications and drivers using these interfaces will fail
  45  * to run on future releases.  These interfaces should not be used for any
  46  * purpose except those expressly outlined in dtrace(7D) and libdtrace(3LIB).
  47  * Please refer to the "Solaris Dynamic Tracing Guide" for more information.
  48  */
  49 

 337 #define DIF_REG_R0      0               /* %r0 is always set to zero */
 338 
 339 /*
 340  * A DTrace Intermediate Format Type (DIF Type) is used to represent the types
 341  * of variables, function and associative array arguments, and the return type
 342  * for each DIF object (shown below).  It contains a description of the type,
 343  * its size in bytes, and a module identifier.
 344  */
 345 typedef struct dtrace_diftype {
 346         uint8_t dtdt_kind;              /* type kind (see below) */
 347         uint8_t dtdt_ckind;             /* type kind in CTF */
 348         uint8_t dtdt_flags;             /* type flags (see below) */
 349         uint8_t dtdt_pad;               /* reserved for future use */
 350         uint32_t dtdt_size;             /* type size in bytes (unless string) */
 351 } dtrace_diftype_t;
 352 
 353 #define DIF_TYPE_CTF            0       /* type is a CTF type */
 354 #define DIF_TYPE_STRING         1       /* type is a D string */
 355 
 356 #define DIF_TF_BYREF            0x1     /* type is passed by reference */

 357 
 358 /*
 359  * A DTrace Intermediate Format variable record is used to describe each of the
 360  * variables referenced by a given DIF object.  It contains an integer variable
 361  * identifier along with variable scope and properties, as shown below.  The
 362  * size of this structure must be sizeof (int) aligned.
 363  */
 364 typedef struct dtrace_difv {
 365         uint32_t dtdv_name;             /* variable name index in dtdo_strtab */
 366         uint32_t dtdv_id;               /* variable reference identifier */
 367         uint8_t dtdv_kind;              /* variable kind (see below) */
 368         uint8_t dtdv_scope;             /* variable scope (see below) */
 369         uint16_t dtdv_flags;            /* variable flags (see below) */
 370         dtrace_diftype_t dtdv_type;     /* variable type (see above) */
 371 } dtrace_difv_t;
 372 
 373 #define DIFV_KIND_ARRAY         0       /* variable is an array of quantities */
 374 #define DIFV_KIND_SCALAR        1       /* variable is a scalar quantity */
 375 
 376 #define DIFV_SCOPE_GLOBAL       0       /* variable has global scope */

   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 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 /*
  28  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
  29  * Copyright (c) 2013 by Delphix. All rights reserved.
  30  */
  31 
  32 #ifndef _SYS_DTRACE_H
  33 #define _SYS_DTRACE_H
  34 
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38 
  39 /*
  40  * DTrace Dynamic Tracing Software: Kernel Interfaces
  41  *
  42  * Note: The contents of this file are private to the implementation of the
  43  * Solaris system and DTrace subsystem and are subject to change at any time
  44  * without notice.  Applications and drivers using these interfaces will fail
  45  * to run on future releases.  These interfaces should not be used for any
  46  * purpose except those expressly outlined in dtrace(7D) and libdtrace(3LIB).
  47  * Please refer to the "Solaris Dynamic Tracing Guide" for more information.
  48  */
  49 

 337 #define DIF_REG_R0      0               /* %r0 is always set to zero */
 338 
 339 /*
 340  * A DTrace Intermediate Format Type (DIF Type) is used to represent the types
 341  * of variables, function and associative array arguments, and the return type
 342  * for each DIF object (shown below).  It contains a description of the type,
 343  * its size in bytes, and a module identifier.
 344  */
 345 typedef struct dtrace_diftype {
 346         uint8_t dtdt_kind;              /* type kind (see below) */
 347         uint8_t dtdt_ckind;             /* type kind in CTF */
 348         uint8_t dtdt_flags;             /* type flags (see below) */
 349         uint8_t dtdt_pad;               /* reserved for future use */
 350         uint32_t dtdt_size;             /* type size in bytes (unless string) */
 351 } dtrace_diftype_t;
 352 
 353 #define DIF_TYPE_CTF            0       /* type is a CTF type */
 354 #define DIF_TYPE_STRING         1       /* type is a D string */
 355 
 356 #define DIF_TF_BYREF            0x1     /* type is passed by reference */
 357 #define DIF_TF_BYUREF           0x2     /* user type is passed by reference */
 358 
 359 /*
 360  * A DTrace Intermediate Format variable record is used to describe each of the
 361  * variables referenced by a given DIF object.  It contains an integer variable
 362  * identifier along with variable scope and properties, as shown below.  The
 363  * size of this structure must be sizeof (int) aligned.
 364  */
 365 typedef struct dtrace_difv {
 366         uint32_t dtdv_name;             /* variable name index in dtdo_strtab */
 367         uint32_t dtdv_id;               /* variable reference identifier */
 368         uint8_t dtdv_kind;              /* variable kind (see below) */
 369         uint8_t dtdv_scope;             /* variable scope (see below) */
 370         uint16_t dtdv_flags;            /* variable flags (see below) */
 371         dtrace_diftype_t dtdv_type;     /* variable type (see above) */
 372 } dtrace_difv_t;
 373 
 374 #define DIFV_KIND_ARRAY         0       /* variable is an array of quantities */
 375 #define DIFV_KIND_SCALAR        1       /* variable is a scalar quantity */
 376 
 377 #define DIFV_SCOPE_GLOBAL       0       /* variable has global scope */