sdt_impl.h revision b0f673c4626e4cb1db7785287eaeed2731dfefe8
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
*/
#ifndef _SYS_SDT_IMPL_H
#define _SYS_SDT_IMPL_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/dtrace.h>
#if defined(__i386) || defined(__amd64)
typedef uint8_t sdt_instr_t;
#else
typedef uint32_t sdt_instr_t;
#endif
typedef struct sdt_provider {
char *sdtp_name; /* name of provider */
char *sdtp_prefix; /* prefix for probe names */
dtrace_pattr_t *sdtp_attr; /* stability attributes */
uint32_t sdtp_priv; /* privilege, if any */
dtrace_provider_id_t sdtp_id; /* provider ID */
} sdt_provider_t;
extern sdt_provider_t sdt_providers[]; /* array of providers */
typedef struct sdt_probe {
sdt_provider_t *sdp_provider; /* provider */
char *sdp_name; /* name of probe */
int sdp_namelen; /* length of allocated name */
dtrace_id_t sdp_id; /* probe ID */
struct modctl *sdp_ctl; /* modctl for module */
int sdp_loadcnt; /* load count for module */
int sdp_primary; /* non-zero if primary mod */
sdt_instr_t *sdp_patchpoint; /* patch point */
sdt_instr_t sdp_patchval; /* instruction to patch */
sdt_instr_t sdp_savedval; /* saved instruction value */
struct sdt_probe *sdp_next; /* next probe */
struct sdt_probe *sdp_hashnext; /* next on hash */
} sdt_probe_t;
typedef struct sdt_argdesc {
const char *sda_provider; /* provider for arg */
const char *sda_name; /* name of probe */
const int sda_ndx; /* argument index */
const int sda_mapping; /* mapping of argument */
const char *sda_native; /* native type of argument */
const char *sda_xlate; /* translated type of arg */
} sdt_argdesc_t;
extern void sdt_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *);
extern int sdt_mode(void *, dtrace_id_t, void *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SDT_IMPL_H */