| Current Path : /usr/src/cddl/contrib/opensolaris/lib/libdtrace/common/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/cddl/contrib/opensolaris/lib/libdtrace/common/dtrace.h |
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 2011, Joyent, Inc. All rights reserved.
*/
#ifndef _DTRACE_H
#define _DTRACE_H
#include <sys/dtrace.h>
#include <stdarg.h>
#include <stdio.h>
#include <gelf.h>
#include <libproc.h>
#if !defined(sun)
#include <rtld_db.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* DTrace Dynamic Tracing Software: Library Interfaces
*
* Note: The contents of this file are private to the implementation of the
* Solaris system and DTrace subsystem and are subject to change at any time
* without notice. Applications and drivers using these interfaces will fail
* to run on future releases. These interfaces should not be used for any
* purpose except those expressly outlined in dtrace(7D) and libdtrace(3LIB).
* Please refer to the "Solaris Dynamic Tracing Guide" for more information.
*/
#define DTRACE_VERSION 3 /* library ABI interface version */
struct ps_prochandle;
typedef struct dtrace_hdl dtrace_hdl_t;
typedef struct dtrace_prog dtrace_prog_t;
typedef struct dtrace_vector dtrace_vector_t;
typedef struct dtrace_aggdata dtrace_aggdata_t;
#define DTRACE_O_NODEV 0x01 /* do not open dtrace(7D) device */
#define DTRACE_O_NOSYS 0x02 /* do not load /system/object modules */
#define DTRACE_O_LP64 0x04 /* force D compiler to be LP64 */
#define DTRACE_O_ILP32 0x08 /* force D compiler to be ILP32 */
#define DTRACE_O_MASK 0x0f /* mask of valid flags to dtrace_open */
extern dtrace_hdl_t *dtrace_open(int, int, int *);
extern dtrace_hdl_t *dtrace_vopen(int, int, int *,
const dtrace_vector_t *, void *);
extern int dtrace_go(dtrace_hdl_t *);
extern int dtrace_stop(dtrace_hdl_t *);
extern void dtrace_sleep(dtrace_hdl_t *);
extern void dtrace_close(dtrace_hdl_t *);
extern int dtrace_errno(dtrace_hdl_t *);
extern const char *dtrace_errmsg(dtrace_hdl_t *, int);
extern const char *dtrace_faultstr(dtrace_hdl_t *, int);
extern const char *dtrace_subrstr(dtrace_hdl_t *, int);
extern int dtrace_setopt(dtrace_hdl_t *, const char *, const char *);
extern int dtrace_getopt(dtrace_hdl_t *, const char *, dtrace_optval_t *);
extern void dtrace_update(dtrace_hdl_t *);
extern int dtrace_ctlfd(dtrace_hdl_t *);
/*
* DTrace Program Interface
*
* DTrace programs can be created by compiling ASCII text files containing
* D programs or by compiling in-memory C strings that specify a D program.
* Once created, callers can examine the list of program statements and
* enable the probes and actions described by these statements.
*/
typedef struct dtrace_proginfo {
dtrace_attribute_t dpi_descattr; /* minimum probedesc attributes */
dtrace_attribute_t dpi_stmtattr; /* minimum statement attributes */
uint_t dpi_aggregates; /* number of aggregates specified in program */
uint_t dpi_recgens; /* number of record generating probes in prog */
uint_t dpi_matches; /* number of probes matched by program */
uint_t dpi_speculations; /* number of speculations specified in prog */
} dtrace_proginfo_t;
#define DTRACE_C_DIFV 0x0001 /* DIF verbose mode: show each compiled DIFO */
#define DTRACE_C_EMPTY 0x0002 /* Permit compilation of empty D source files */
#define DTRACE_C_ZDEFS 0x0004 /* Permit probe defs that match zero probes */
#define DTRACE_C_EATTR 0x0008 /* Error if program attributes less than min */
#define DTRACE_C_CPP 0x0010 /* Preprocess input file with cpp(1) utility */
#define DTRACE_C_KNODEF 0x0020 /* Permit unresolved kernel symbols in DIFO */
#define DTRACE_C_UNODEF 0x0040 /* Permit unresolved user symbols in DIFO */
#define DTRACE_C_PSPEC 0x0080 /* Intepret ambiguous specifiers as probes */
#define DTRACE_C_ETAGS 0x0100 /* Prefix error messages with error tags */
#define DTRACE_C_ARGREF 0x0200 /* Do not require all macro args to be used */
#define DTRACE_C_DEFARG 0x0800 /* Use 0/"" as value for unspecified args */
#define DTRACE_C_NOLIBS 0x1000 /* Do not process D system libraries */
#define DTRACE_C_CTL 0x2000 /* Only process control directives */
#define DTRACE_C_MASK 0x3bff /* mask of all valid flags to dtrace_*compile */
extern dtrace_prog_t *dtrace_program_strcompile(dtrace_hdl_t *,
const char *, dtrace_probespec_t, uint_t, int, char *const []);
extern dtrace_prog_t *dtrace_program_fcompile(dtrace_hdl_t *,
FILE *, uint_t, int, char *const []);
extern int dtrace_program_exec(dtrace_hdl_t *, dtrace_prog_t *,
dtrace_proginfo_t *);
extern void dtrace_program_info(dtrace_hdl_t *, dtrace_prog_t *,
dtrace_proginfo_t *);
#define DTRACE_D_STRIP 0x01 /* strip non-loadable sections from program */
#define DTRACE_D_PROBES 0x02 /* include provider and probe definitions */
#define DTRACE_D_MASK 0x03 /* mask of valid flags to dtrace_dof_create */
extern int dtrace_program_link(dtrace_hdl_t *, dtrace_prog_t *,
uint_t, const char *, int, char *const []);
extern int dtrace_program_header(dtrace_hdl_t *, FILE *, const char *);
extern void *dtrace_dof_create(dtrace_hdl_t *, dtrace_prog_t *, uint_t);
extern void dtrace_dof_destroy(dtrace_hdl_t *, void *);
extern void *dtrace_getopt_dof(dtrace_hdl_t *);
extern void *dtrace_geterr_dof(dtrace_hdl_t *);
typedef struct dtrace_stmtdesc {
dtrace_ecbdesc_t *dtsd_ecbdesc; /* ECB description */
dtrace_actdesc_t *dtsd_action; /* action list */
dtrace_actdesc_t *dtsd_action_last; /* last action in action list */
void *dtsd_aggdata; /* aggregation data */
void *dtsd_fmtdata; /* type-specific output data */
void (*dtsd_callback)(void); /* callback function for EPID */
void *dtsd_data; /* callback data pointer */
dtrace_attribute_t dtsd_descattr; /* probedesc attributes */
dtrace_attribute_t dtsd_stmtattr; /* statement attributes */
} dtrace_stmtdesc_t;
typedef int dtrace_stmt_f(dtrace_hdl_t *, dtrace_prog_t *,
dtrace_stmtdesc_t *, void *);
extern dtrace_stmtdesc_t *dtrace_stmt_create(dtrace_hdl_t *,
dtrace_ecbdesc_t *);
extern dtrace_actdesc_t *dtrace_stmt_action(dtrace_hdl_t *,
dtrace_stmtdesc_t *);
extern int dtrace_stmt_add(dtrace_hdl_t *, dtrace_prog_t *,
dtrace_stmtdesc_t *);
extern int dtrace_stmt_iter(dtrace_hdl_t *, dtrace_prog_t *,
dtrace_stmt_f *, void *);
extern void dtrace_stmt_destroy(dtrace_hdl_t *, dtrace_stmtdesc_t *);
/*
* DTrace Data Consumption Interface
*/
typedef enum {
DTRACEFLOW_ENTRY,
DTRACEFLOW_RETURN,
DTRACEFLOW_NONE
} dtrace_flowkind_t;
#define DTRACE_CONSUME_ERROR -1 /* error while processing */
#define DTRACE_CONSUME_THIS 0 /* consume this probe/record */
#define DTRACE_CONSUME_NEXT 1 /* advance to next probe/rec */
#define DTRACE_CONSUME_ABORT 2 /* abort consumption */
typedef struct dtrace_probedata {
dtrace_hdl_t *dtpda_handle; /* handle to DTrace library */
dtrace_eprobedesc_t *dtpda_edesc; /* enabled probe description */
dtrace_probedesc_t *dtpda_pdesc; /* probe description */
processorid_t dtpda_cpu; /* CPU for data */
caddr_t dtpda_data; /* pointer to raw data */
dtrace_flowkind_t dtpda_flow; /* flow kind */
const char *dtpda_prefix; /* recommended flow prefix */
int dtpda_indent; /* recommended flow indent */
} dtrace_probedata_t;
typedef int dtrace_consume_probe_f(const dtrace_probedata_t *, void *);
typedef int dtrace_consume_rec_f(const dtrace_probedata_t *,
const dtrace_recdesc_t *, void *);
extern int dtrace_consume(dtrace_hdl_t *, FILE *,
dtrace_consume_probe_f *, dtrace_consume_rec_f *, void *);
#define DTRACE_STATUS_NONE 0 /* no status; not yet time */
#define DTRACE_STATUS_OKAY 1 /* status okay */
#define DTRACE_STATUS_EXITED 2 /* exit() was called; tracing stopped */
#define DTRACE_STATUS_FILLED 3 /* fill buffer filled; tracing stoped */
#define DTRACE_STATUS_STOPPED 4 /* tracing already stopped */
extern int dtrace_status(dtrace_hdl_t *);
/*
* DTrace Formatted Output Interfaces
*
* To format output associated with a given dtrace_stmtdesc, the caller can
* invoke one of the following functions, passing the opaque dtsd_fmtdata and a
* list of record descriptions. These functions return either -1 to indicate
* an error, or a positive integer indicating the number of records consumed.
* For anonymous enablings, the consumer can use the dtrd_format member of
* the record description to obtain a format description. The dtfd_string
* member of the format description may be passed to dtrace_print{fa}_create()
* to create the opaque format data.
*/
extern void *dtrace_printf_create(dtrace_hdl_t *, const char *);
extern void *dtrace_printa_create(dtrace_hdl_t *, const char *);
extern size_t dtrace_printf_format(dtrace_hdl_t *, void *, char *, size_t);
extern int dtrace_fprintf(dtrace_hdl_t *, FILE *, void *,
const dtrace_probedata_t *, const dtrace_recdesc_t *, uint_t,
const void *, size_t);
extern int dtrace_fprinta(dtrace_hdl_t *, FILE *, void *,
const dtrace_probedata_t *, const dtrace_recdesc_t *, uint_t,
const void *, size_t);
extern int dtrace_system(dtrace_hdl_t *, FILE *, void *,
const dtrace_probedata_t *, const dtrace_recdesc_t *, uint_t,
const void *, size_t);
extern int dtrace_freopen(dtrace_hdl_t *, FILE *, void *,
const dtrace_probedata_t *, const dtrace_recdesc_t *, uint_t,
const void *, size_t);
/*
* DTrace Work Interface
*/
typedef enum {
DTRACE_WORKSTATUS_ERROR = -1,
DTRACE_WORKSTATUS_OKAY,
DTRACE_WORKSTATUS_DONE
} dtrace_workstatus_t;
extern dtrace_workstatus_t dtrace_work(dtrace_hdl_t *, FILE *,
dtrace_consume_probe_f *, dtrace_consume_rec_f *, void *);
/*
* DTrace Handler Interface
*/
#define DTRACE_HANDLE_ABORT -1 /* abort current operation */
#define DTRACE_HANDLE_OK 0 /* handled okay; continue */
typedef struct dtrace_errdata {
dtrace_hdl_t *dteda_handle; /* handle to DTrace library */
dtrace_eprobedesc_t *dteda_edesc; /* enabled probe inducing err */
dtrace_probedesc_t *dteda_pdesc; /* probe inducing error */
processorid_t dteda_cpu; /* CPU of error */
int dteda_action; /* action inducing error */
int dteda_offset; /* offset in DIFO of error */
int dteda_fault; /* specific fault */
uint64_t dteda_addr; /* address of fault, if any */
const char *dteda_msg; /* preconstructed message */
} dtrace_errdata_t;
typedef int dtrace_handle_err_f(const dtrace_errdata_t *, void *);
extern int dtrace_handle_err(dtrace_hdl_t *, dtrace_handle_err_f *, void *);
typedef enum {
DTRACEDROP_PRINCIPAL, /* drop to principal buffer */
DTRACEDROP_AGGREGATION, /* drop to aggregation buffer */
DTRACEDROP_DYNAMIC, /* dynamic drop */
DTRACEDROP_DYNRINSE, /* dyn drop due to rinsing */
DTRACEDROP_DYNDIRTY, /* dyn drop due to dirty */
DTRACEDROP_SPEC, /* speculative drop */
DTRACEDROP_SPECBUSY, /* spec drop due to busy */
DTRACEDROP_SPECUNAVAIL, /* spec drop due to unavail */
DTRACEDROP_STKSTROVERFLOW, /* stack string tab overflow */
DTRACEDROP_DBLERROR /* error in ERROR probe */
} dtrace_dropkind_t;
typedef struct dtrace_dropdata {
dtrace_hdl_t *dtdda_handle; /* handle to DTrace library */
processorid_t dtdda_cpu; /* CPU, if any */
dtrace_dropkind_t dtdda_kind; /* kind of drop */
uint64_t dtdda_drops; /* number of drops */
uint64_t dtdda_total; /* total drops */
const char *dtdda_msg; /* preconstructed message */
} dtrace_dropdata_t;
typedef int dtrace_handle_drop_f(const dtrace_dropdata_t *, void *);
extern int dtrace_handle_drop(dtrace_hdl_t *, dtrace_handle_drop_f *, void *);
typedef void dtrace_handle_proc_f(struct ps_prochandle *, const char *, void *);
extern int dtrace_handle_proc(dtrace_hdl_t *, dtrace_handle_proc_f *, void *);
#define DTRACE_BUFDATA_AGGKEY 0x0001 /* aggregation key */
#define DTRACE_BUFDATA_AGGVAL 0x0002 /* aggregation value */
#define DTRACE_BUFDATA_AGGFORMAT 0x0004 /* aggregation format data */
#define DTRACE_BUFDATA_AGGLAST 0x0008 /* last for this key/val */
typedef struct dtrace_bufdata {
dtrace_hdl_t *dtbda_handle; /* handle to DTrace library */
const char *dtbda_buffered; /* buffered output */
dtrace_probedata_t *dtbda_probe; /* probe data */
const dtrace_recdesc_t *dtbda_recdesc; /* record description */
const dtrace_aggdata_t *dtbda_aggdata; /* aggregation data, if agg. */
uint32_t dtbda_flags; /* flags; see above */
} dtrace_bufdata_t;
typedef int dtrace_handle_buffered_f(const dtrace_bufdata_t *, void *);
extern int dtrace_handle_buffered(dtrace_hdl_t *,
dtrace_handle_buffered_f *, void *);
typedef struct dtrace_setoptdata {
dtrace_hdl_t *dtsda_handle; /* handle to DTrace library */
const dtrace_probedata_t *dtsda_probe; /* probe data */
const char *dtsda_option; /* option that was set */
dtrace_optval_t dtsda_oldval; /* old value */
dtrace_optval_t dtsda_newval; /* new value */
} dtrace_setoptdata_t;
typedef int dtrace_handle_setopt_f(const dtrace_setoptdata_t *, void *);
extern int dtrace_handle_setopt(dtrace_hdl_t *,
dtrace_handle_setopt_f *, void *);
/*
* DTrace Aggregate Interface
*/
#define DTRACE_A_PERCPU 0x0001
#define DTRACE_A_KEEPDELTA 0x0002
#define DTRACE_A_ANONYMOUS 0x0004
#define DTRACE_AGGWALK_ERROR -1 /* error while processing */
#define DTRACE_AGGWALK_NEXT 0 /* proceed to next element */
#define DTRACE_AGGWALK_ABORT 1 /* abort aggregation walk */
#define DTRACE_AGGWALK_CLEAR 2 /* clear this element */
#define DTRACE_AGGWALK_NORMALIZE 3 /* normalize this element */
#define DTRACE_AGGWALK_DENORMALIZE 4 /* denormalize this element */
#define DTRACE_AGGWALK_REMOVE 5 /* remove this element */
struct dtrace_aggdata {
dtrace_hdl_t *dtada_handle; /* handle to DTrace library */
dtrace_aggdesc_t *dtada_desc; /* aggregation description */
dtrace_eprobedesc_t *dtada_edesc; /* enabled probe description */
dtrace_probedesc_t *dtada_pdesc; /* probe description */
caddr_t dtada_data; /* pointer to raw data */
uint64_t dtada_normal; /* the normal -- 1 for denorm */
size_t dtada_size; /* total size of the data */
caddr_t dtada_delta; /* delta data, if available */
caddr_t *dtada_percpu; /* per CPU data, if avail */
caddr_t *dtada_percpu_delta; /* per CPU delta, if avail */
};
typedef int dtrace_aggregate_f(const dtrace_aggdata_t *, void *);
typedef int dtrace_aggregate_walk_f(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
typedef int dtrace_aggregate_walk_joined_f(const dtrace_aggdata_t **,
const int, void *);
extern void dtrace_aggregate_clear(dtrace_hdl_t *);
extern int dtrace_aggregate_snap(dtrace_hdl_t *);
extern int dtrace_aggregate_print(dtrace_hdl_t *, FILE *,
dtrace_aggregate_walk_f *);
extern int dtrace_aggregate_walk(dtrace_hdl_t *, dtrace_aggregate_f *, void *);
extern int dtrace_aggregate_walk_joined(dtrace_hdl_t *,
dtrace_aggvarid_t *, int, dtrace_aggregate_walk_joined_f *, void *);
extern int dtrace_aggregate_walk_sorted(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
extern int dtrace_aggregate_walk_keysorted(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
extern int dtrace_aggregate_walk_valsorted(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
extern int dtrace_aggregate_walk_keyvarsorted(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
extern int dtrace_aggregate_walk_valvarsorted(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
extern int dtrace_aggregate_walk_keyrevsorted(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
extern int dtrace_aggregate_walk_valrevsorted(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
extern int dtrace_aggregate_walk_keyvarrevsorted(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
extern int dtrace_aggregate_walk_valvarrevsorted(dtrace_hdl_t *,
dtrace_aggregate_f *, void *);
#define DTRACE_AGD_PRINTED 0x1 /* aggregation printed in program */
/*
* DTrace Process Control Interface
*
* Library clients who wish to have libdtrace create or grab processes for
* monitoring of their symbol table changes may use these interfaces to
* request that libdtrace obtain control of the process using libproc.
*/
extern struct ps_prochandle *dtrace_proc_create(dtrace_hdl_t *,
const char *, char *const *, proc_child_func *, void *);
extern struct ps_prochandle *dtrace_proc_grab(dtrace_hdl_t *, pid_t, int);
extern void dtrace_proc_release(dtrace_hdl_t *, struct ps_prochandle *);
extern void dtrace_proc_continue(dtrace_hdl_t *, struct ps_prochandle *);
/*
* DTrace Object, Symbol, and Type Interfaces
*
* Library clients can use libdtrace to perform symbol and C type information
* lookups by symbol name, symbol address, or C type name, or to lookup meta-
* information cached for each of the program objects in use by DTrace. The
* resulting struct contain pointers to arbitrary-length strings, including
* object, symbol, and type names, that are persistent until the next call to
* dtrace_update(). Once dtrace_update() is called, any cached values must
* be flushed and not used subsequently by the client program.
*/
#define DTRACE_OBJ_EXEC ((const char *)0L) /* primary executable file */
#define DTRACE_OBJ_RTLD ((const char *)1L) /* run-time link-editor */
#define DTRACE_OBJ_CDEFS ((const char *)2L) /* C include definitions */
#define DTRACE_OBJ_DDEFS ((const char *)3L) /* D program definitions */
#define DTRACE_OBJ_EVERY ((const char *)-1L) /* all known objects */
#define DTRACE_OBJ_KMODS ((const char *)-2L) /* all kernel objects */
#define DTRACE_OBJ_UMODS ((const char *)-3L) /* all user objects */
typedef struct dtrace_objinfo {
const char *dto_name; /* object file scope name */
const char *dto_file; /* object file path (if any) */
int dto_id; /* object file id (if any) */
uint_t dto_flags; /* object flags (see below) */
GElf_Addr dto_text_va; /* address of text section */
GElf_Xword dto_text_size; /* size of text section */
GElf_Addr dto_data_va; /* address of data section */
GElf_Xword dto_data_size; /* size of data section */
GElf_Addr dto_bss_va; /* address of BSS */
GElf_Xword dto_bss_size; /* size of BSS */
} dtrace_objinfo_t;
#define DTRACE_OBJ_F_KERNEL 0x1 /* object is a kernel module */
#define DTRACE_OBJ_F_PRIMARY 0x2 /* object is a primary module */
typedef int dtrace_obj_f(dtrace_hdl_t *, const dtrace_objinfo_t *, void *);
extern int dtrace_object_iter(dtrace_hdl_t *, dtrace_obj_f *, void *);
extern int dtrace_object_info(dtrace_hdl_t *, const char *, dtrace_objinfo_t *);
typedef struct dtrace_syminfo {
const char *dts_object; /* object name */
const char *dts_name; /* symbol name */
ulong_t dts_id; /* symbol id */
} dtrace_syminfo_t;
extern int dtrace_lookup_by_name(dtrace_hdl_t *, const char *, const char *,
GElf_Sym *, dtrace_syminfo_t *);
extern int dtrace_lookup_by_addr(dtrace_hdl_t *, GElf_Addr addr,
GElf_Sym *, dtrace_syminfo_t *);
typedef struct dtrace_typeinfo {
const char *dtt_object; /* object containing type */
ctf_file_t *dtt_ctfp; /* CTF container handle */
ctf_id_t dtt_type; /* CTF type identifier */
} dtrace_typeinfo_t;
extern int dtrace_lookup_by_type(dtrace_hdl_t *, const char *, const char *,
dtrace_typeinfo_t *);
extern int dtrace_symbol_type(dtrace_hdl_t *, const GElf_Sym *,
const dtrace_syminfo_t *, dtrace_typeinfo_t *);
extern int dtrace_type_strcompile(dtrace_hdl_t *,
const char *, dtrace_typeinfo_t *);
extern int dtrace_type_fcompile(dtrace_hdl_t *,
FILE *, dtrace_typeinfo_t *);
/*
* DTrace Probe Interface
*
* Library clients can use these functions to iterate over the set of available
* probe definitions and inquire as to their attributes. The probe iteration
* interfaces report probes that are declared as well as those from dtrace(7D).
*/
typedef struct dtrace_probeinfo {
dtrace_attribute_t dtp_attr; /* name attributes */
dtrace_attribute_t dtp_arga; /* arg attributes */
const dtrace_typeinfo_t *dtp_argv; /* arg types */
int dtp_argc; /* arg count */
} dtrace_probeinfo_t;
typedef int dtrace_probe_f(dtrace_hdl_t *, const dtrace_probedesc_t *, void *);
extern int dtrace_probe_iter(dtrace_hdl_t *,
const dtrace_probedesc_t *pdp, dtrace_probe_f *, void *);
extern int dtrace_probe_info(dtrace_hdl_t *,
const dtrace_probedesc_t *, dtrace_probeinfo_t *);
/*
* DTrace Vector Interface
*
* The DTrace library normally speaks directly to dtrace(7D). However,
* this communication may be vectored elsewhere. Consumers who wish to
* perform a vectored open must fill in the vector, and use the dtrace_vopen()
* entry point to obtain a library handle.
*/
struct dtrace_vector {
#if defined(sun)
int (*dtv_ioctl)(void *, int, void *);
#else
int (*dtv_ioctl)(void *, u_long, void *);
#endif
int (*dtv_lookup_by_addr)(void *, GElf_Addr, GElf_Sym *,
dtrace_syminfo_t *);
int (*dtv_status)(void *, processorid_t);
long (*dtv_sysconf)(void *, int);
};
/*
* DTrace Utility Functions
*
* Library clients can use these functions to convert addresses strings, to
* convert between string and integer probe descriptions and the
* dtrace_probedesc_t representation, and to perform similar conversions on
* stability attributes.
*/
extern int dtrace_addr2str(dtrace_hdl_t *, uint64_t, char *, int);
extern int dtrace_uaddr2str(dtrace_hdl_t *, pid_t, uint64_t, char *, int);
extern int dtrace_xstr2desc(dtrace_hdl_t *, dtrace_probespec_t,
const char *, int, char *const [], dtrace_probedesc_t *);
extern int dtrace_str2desc(dtrace_hdl_t *, dtrace_probespec_t,
const char *, dtrace_probedesc_t *);
extern int dtrace_id2desc(dtrace_hdl_t *, dtrace_id_t, dtrace_probedesc_t *);
#define DTRACE_DESC2STR_MAX 1024 /* min buf size for dtrace_desc2str() */
extern char *dtrace_desc2str(const dtrace_probedesc_t *, char *, size_t);
#define DTRACE_ATTR2STR_MAX 64 /* min buf size for dtrace_attr2str() */
extern char *dtrace_attr2str(dtrace_attribute_t, char *, size_t);
extern int dtrace_str2attr(const char *, dtrace_attribute_t *);
extern const char *dtrace_stability_name(dtrace_stability_t);
extern const char *dtrace_class_name(dtrace_class_t);
extern int dtrace_provider_modules(dtrace_hdl_t *, const char **, int);
extern const char *const _dtrace_version;
extern int _dtrace_debug;
#ifdef __cplusplus
}
#endif
#if !defined(sun)
#define _SC_CPUID_MAX _SC_NPROCESSORS_CONF
#define _SC_NPROCESSORS_MAX _SC_NPROCESSORS_CONF
#endif
#endif /* _DTRACE_H */