17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef _DTRACE_H 287c478bd9Sstevel@tonic-gate #define _DTRACE_H 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include <sys/dtrace.h> 337c478bd9Sstevel@tonic-gate #include <stdarg.h> 347c478bd9Sstevel@tonic-gate #include <stdio.h> 357c478bd9Sstevel@tonic-gate #include <gelf.h> 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate #ifdef __cplusplus 387c478bd9Sstevel@tonic-gate extern "C" { 397c478bd9Sstevel@tonic-gate #endif 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate /* 427c478bd9Sstevel@tonic-gate * DTrace Dynamic Tracing Software: Library Interfaces 437c478bd9Sstevel@tonic-gate * 447c478bd9Sstevel@tonic-gate * Note: The contents of this file are private to the implementation of the 457c478bd9Sstevel@tonic-gate * Solaris system and DTrace subsystem and are subject to change at any time 467c478bd9Sstevel@tonic-gate * without notice. Applications and drivers using these interfaces will fail 477c478bd9Sstevel@tonic-gate * to run on future releases. These interfaces should not be used for any 487c478bd9Sstevel@tonic-gate * purpose except those expressly outlined in dtrace(7D) and libdtrace(3LIB). 497c478bd9Sstevel@tonic-gate * Please refer to the "Solaris Dynamic Tracing Guide" for more information. 507c478bd9Sstevel@tonic-gate */ 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate #define DTRACE_VERSION 1 /* library ABI interface version */ 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate struct ps_prochandle; 557c478bd9Sstevel@tonic-gate typedef struct dtrace_hdl dtrace_hdl_t; 567c478bd9Sstevel@tonic-gate typedef struct dtrace_prog dtrace_prog_t; 577c478bd9Sstevel@tonic-gate typedef struct dtrace_vector dtrace_vector_t; 587c478bd9Sstevel@tonic-gate typedef struct dtrace_aggdata dtrace_aggdata_t; 597c478bd9Sstevel@tonic-gate typedef int64_t dtrace_aggvarid_t; 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate #define DTRACE_O_NODEV 0x01 /* do not open dtrace(7D) device */ 627c478bd9Sstevel@tonic-gate #define DTRACE_O_NOSYS 0x02 /* do not load /system/object modules */ 637c478bd9Sstevel@tonic-gate #define DTRACE_O_LP64 0x04 /* force D compiler to be LP64 */ 647c478bd9Sstevel@tonic-gate #define DTRACE_O_ILP32 0x08 /* force D compiler to be ILP32 */ 657c478bd9Sstevel@tonic-gate #define DTRACE_O_MASK 0x0f /* mask of valid flags to dtrace_open */ 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate extern dtrace_hdl_t *dtrace_open(int, int, int *); 687c478bd9Sstevel@tonic-gate extern dtrace_hdl_t *dtrace_vopen(int, int, int *, 697c478bd9Sstevel@tonic-gate const dtrace_vector_t *, void *); 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate extern int dtrace_go(dtrace_hdl_t *); 727c478bd9Sstevel@tonic-gate extern int dtrace_stop(dtrace_hdl_t *); 737c478bd9Sstevel@tonic-gate extern void dtrace_sleep(dtrace_hdl_t *); 747c478bd9Sstevel@tonic-gate extern void dtrace_close(dtrace_hdl_t *); 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate extern int dtrace_errno(dtrace_hdl_t *); 777c478bd9Sstevel@tonic-gate extern const char *dtrace_errmsg(dtrace_hdl_t *, int); 787c478bd9Sstevel@tonic-gate extern const char *dtrace_faultstr(dtrace_hdl_t *, int); 791a7c1b72Smws extern const char *dtrace_subrstr(dtrace_hdl_t *, int); 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate extern int dtrace_setopt(dtrace_hdl_t *, const char *, const char *); 827c478bd9Sstevel@tonic-gate extern int dtrace_getopt(dtrace_hdl_t *, const char *, dtrace_optval_t *); 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate extern void dtrace_update(dtrace_hdl_t *); 857c478bd9Sstevel@tonic-gate extern int dtrace_ctlfd(dtrace_hdl_t *); 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate /* 887c478bd9Sstevel@tonic-gate * DTrace Program Interface 897c478bd9Sstevel@tonic-gate * 907c478bd9Sstevel@tonic-gate * DTrace programs can be created by compiling ASCII text files containing 911a7c1b72Smws * D programs or by compiling in-memory C strings that specify a D program. 927c478bd9Sstevel@tonic-gate * Once created, callers can examine the list of program statements and 937c478bd9Sstevel@tonic-gate * enable the probes and actions described by these statements. 947c478bd9Sstevel@tonic-gate */ 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate typedef struct dtrace_proginfo { 977c478bd9Sstevel@tonic-gate dtrace_attribute_t dpi_descattr; /* minimum probedesc attributes */ 987c478bd9Sstevel@tonic-gate dtrace_attribute_t dpi_stmtattr; /* minimum statement attributes */ 997c478bd9Sstevel@tonic-gate uint_t dpi_aggregates; /* number of aggregates specified in program */ 1007c478bd9Sstevel@tonic-gate uint_t dpi_recgens; /* number of record generating probes in prog */ 1017c478bd9Sstevel@tonic-gate uint_t dpi_matches; /* number of probes matched by program */ 1027c478bd9Sstevel@tonic-gate uint_t dpi_speculations; /* number of speculations specified in prog */ 1037c478bd9Sstevel@tonic-gate } dtrace_proginfo_t; 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate #define DTRACE_C_DIFV 0x0001 /* DIF verbose mode: show each compiled DIFO */ 1067c478bd9Sstevel@tonic-gate #define DTRACE_C_EMPTY 0x0002 /* Permit compilation of empty D source files */ 1077c478bd9Sstevel@tonic-gate #define DTRACE_C_ZDEFS 0x0004 /* Permit probe defs that match zero probes */ 1087c478bd9Sstevel@tonic-gate #define DTRACE_C_EATTR 0x0008 /* Error if program attributes less than min */ 1097c478bd9Sstevel@tonic-gate #define DTRACE_C_CPP 0x0010 /* Preprocess input file with cpp(1) utility */ 1107c478bd9Sstevel@tonic-gate #define DTRACE_C_KNODEF 0x0020 /* Permit unresolved kernel symbols in DIFO */ 1117c478bd9Sstevel@tonic-gate #define DTRACE_C_UNODEF 0x0040 /* Permit unresolved user symbols in DIFO */ 1127c478bd9Sstevel@tonic-gate #define DTRACE_C_PSPEC 0x0080 /* Intepret ambiguous specifiers as probes */ 1137c478bd9Sstevel@tonic-gate #define DTRACE_C_ETAGS 0x0100 /* Prefix error messages with error tags */ 1147c478bd9Sstevel@tonic-gate #define DTRACE_C_ARGREF 0x0200 /* Do not require all macro args to be used */ 1157c478bd9Sstevel@tonic-gate #define DTRACE_C_DEFARG 0x0800 /* Use 0/"" as value for unspecified args */ 1167c478bd9Sstevel@tonic-gate #define DTRACE_C_NOLIBS 0x1000 /* Do not process D system libraries */ 1177c478bd9Sstevel@tonic-gate #define DTRACE_C_MASK 0x1bff /* mask of all valid flags to dtrace_*compile */ 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate extern dtrace_prog_t *dtrace_program_strcompile(dtrace_hdl_t *, 1207c478bd9Sstevel@tonic-gate const char *, dtrace_probespec_t, uint_t, int, char *const []); 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate extern dtrace_prog_t *dtrace_program_fcompile(dtrace_hdl_t *, 1237c478bd9Sstevel@tonic-gate FILE *, uint_t, int, char *const []); 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate extern int dtrace_program_exec(dtrace_hdl_t *, dtrace_prog_t *, 1267c478bd9Sstevel@tonic-gate dtrace_proginfo_t *); 1277c478bd9Sstevel@tonic-gate extern void dtrace_program_info(dtrace_hdl_t *, dtrace_prog_t *, 1287c478bd9Sstevel@tonic-gate dtrace_proginfo_t *); 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate #define DTRACE_D_STRIP 0x01 /* strip non-loadable sections from program */ 1317c478bd9Sstevel@tonic-gate #define DTRACE_D_PROBES 0x02 /* include provider and probe definitions */ 1327c478bd9Sstevel@tonic-gate #define DTRACE_D_MASK 0x03 /* mask of valid flags to dtrace_dof_create */ 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate extern int dtrace_program_link(dtrace_hdl_t *, dtrace_prog_t *, 1357c478bd9Sstevel@tonic-gate uint_t, const char *, int, char *const []); 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate extern void *dtrace_dof_create(dtrace_hdl_t *, dtrace_prog_t *, uint_t); 1387c478bd9Sstevel@tonic-gate extern void dtrace_dof_destroy(dtrace_hdl_t *, void *); 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate extern void *dtrace_getopt_dof(dtrace_hdl_t *); 1417c478bd9Sstevel@tonic-gate extern void *dtrace_geterr_dof(dtrace_hdl_t *); 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate typedef struct dtrace_stmtdesc { 1447c478bd9Sstevel@tonic-gate dtrace_ecbdesc_t *dtsd_ecbdesc; /* ECB description */ 1457c478bd9Sstevel@tonic-gate dtrace_actdesc_t *dtsd_action; /* action list */ 1467c478bd9Sstevel@tonic-gate dtrace_actdesc_t *dtsd_action_last; /* last action in action list */ 1477c478bd9Sstevel@tonic-gate void *dtsd_aggdata; /* aggregation data */ 1487c478bd9Sstevel@tonic-gate void *dtsd_fmtdata; /* type-specific output data */ 1497c478bd9Sstevel@tonic-gate void (*dtsd_callback)(); /* callback function for EPID */ 1507c478bd9Sstevel@tonic-gate void *dtsd_data; /* callback data pointer */ 1517c478bd9Sstevel@tonic-gate dtrace_attribute_t dtsd_descattr; /* probedesc attributes */ 1527c478bd9Sstevel@tonic-gate dtrace_attribute_t dtsd_stmtattr; /* statement attributes */ 1537c478bd9Sstevel@tonic-gate } dtrace_stmtdesc_t; 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate typedef int dtrace_stmt_f(dtrace_hdl_t *, dtrace_prog_t *, 1567c478bd9Sstevel@tonic-gate dtrace_stmtdesc_t *, void *); 1577c478bd9Sstevel@tonic-gate 1587c478bd9Sstevel@tonic-gate extern dtrace_stmtdesc_t *dtrace_stmt_create(dtrace_hdl_t *, 1597c478bd9Sstevel@tonic-gate dtrace_ecbdesc_t *); 1607c478bd9Sstevel@tonic-gate extern dtrace_actdesc_t *dtrace_stmt_action(dtrace_hdl_t *, 1617c478bd9Sstevel@tonic-gate dtrace_stmtdesc_t *); 1627c478bd9Sstevel@tonic-gate extern int dtrace_stmt_add(dtrace_hdl_t *, dtrace_prog_t *, 1637c478bd9Sstevel@tonic-gate dtrace_stmtdesc_t *); 1647c478bd9Sstevel@tonic-gate extern int dtrace_stmt_iter(dtrace_hdl_t *, dtrace_prog_t *, 1657c478bd9Sstevel@tonic-gate dtrace_stmt_f *, void *); 1661a7c1b72Smws extern void dtrace_stmt_destroy(dtrace_hdl_t *, dtrace_stmtdesc_t *); 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate /* 1697c478bd9Sstevel@tonic-gate * DTrace Data Consumption Interface 1707c478bd9Sstevel@tonic-gate */ 1717c478bd9Sstevel@tonic-gate typedef enum { 1727c478bd9Sstevel@tonic-gate DTRACEFLOW_ENTRY, 1737c478bd9Sstevel@tonic-gate DTRACEFLOW_RETURN, 1747c478bd9Sstevel@tonic-gate DTRACEFLOW_NONE 1757c478bd9Sstevel@tonic-gate } dtrace_flowkind_t; 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate #define DTRACE_CONSUME_ERROR -1 /* error while processing */ 1787c478bd9Sstevel@tonic-gate #define DTRACE_CONSUME_THIS 0 /* consume this probe/record */ 1797c478bd9Sstevel@tonic-gate #define DTRACE_CONSUME_NEXT 1 /* advance to next probe/rec */ 1807c478bd9Sstevel@tonic-gate #define DTRACE_CONSUME_ABORT 2 /* abort consumption */ 1817c478bd9Sstevel@tonic-gate 1827c478bd9Sstevel@tonic-gate typedef struct dtrace_probedata { 1837c478bd9Sstevel@tonic-gate dtrace_hdl_t *dtpda_handle; /* handle to DTrace library */ 1847c478bd9Sstevel@tonic-gate dtrace_eprobedesc_t *dtpda_edesc; /* enabled probe description */ 1857c478bd9Sstevel@tonic-gate dtrace_probedesc_t *dtpda_pdesc; /* probe description */ 1867c478bd9Sstevel@tonic-gate processorid_t dtpda_cpu; /* CPU for data */ 1877c478bd9Sstevel@tonic-gate caddr_t dtpda_data; /* pointer to raw data */ 1887c478bd9Sstevel@tonic-gate dtrace_flowkind_t dtpda_flow; /* flow kind */ 1897c478bd9Sstevel@tonic-gate const char *dtpda_prefix; /* recommended flow prefix */ 1907c478bd9Sstevel@tonic-gate int dtpda_indent; /* recommended flow indent */ 1917c478bd9Sstevel@tonic-gate } dtrace_probedata_t; 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate typedef int dtrace_consume_probe_f(const dtrace_probedata_t *, void *); 1947c478bd9Sstevel@tonic-gate typedef int dtrace_consume_rec_f(const dtrace_probedata_t *, 1957c478bd9Sstevel@tonic-gate const dtrace_recdesc_t *, void *); 1967c478bd9Sstevel@tonic-gate 1977c478bd9Sstevel@tonic-gate extern int dtrace_consume(dtrace_hdl_t *, FILE *, 1987c478bd9Sstevel@tonic-gate dtrace_consume_probe_f *, dtrace_consume_rec_f *, void *); 1997c478bd9Sstevel@tonic-gate 2007c478bd9Sstevel@tonic-gate #define DTRACE_STATUS_NONE 0 /* no status; not yet time */ 2017c478bd9Sstevel@tonic-gate #define DTRACE_STATUS_OKAY 1 /* status okay */ 2027c478bd9Sstevel@tonic-gate #define DTRACE_STATUS_EXITED 2 /* exit() was called; tracing stopped */ 2037c478bd9Sstevel@tonic-gate #define DTRACE_STATUS_FILLED 3 /* fill buffer filled; tracing stoped */ 2047c478bd9Sstevel@tonic-gate #define DTRACE_STATUS_STOPPED 4 /* tracing already stopped */ 2057c478bd9Sstevel@tonic-gate 2067c478bd9Sstevel@tonic-gate extern int dtrace_status(dtrace_hdl_t *); 2077c478bd9Sstevel@tonic-gate 2087c478bd9Sstevel@tonic-gate /* 2097c478bd9Sstevel@tonic-gate * DTrace Formatted Output Interfaces 2107c478bd9Sstevel@tonic-gate * 2117c478bd9Sstevel@tonic-gate * To format output associated with a given dtrace_stmtdesc, the caller can 2127c478bd9Sstevel@tonic-gate * invoke one of the following functions, passing the opaque dtsd_fmtdata and a 2137c478bd9Sstevel@tonic-gate * list of record descriptions. These functions return either -1 to indicate 2147c478bd9Sstevel@tonic-gate * an error, or a positive integer indicating the number of records consumed. 2157c478bd9Sstevel@tonic-gate * For anonymous enablings, the consumer can use the dtrd_format member of 2167c478bd9Sstevel@tonic-gate * the record description to obtain a format description. The dtfd_string 2177c478bd9Sstevel@tonic-gate * member of the format description may be passed to dtrace_print{fa}_create() 2187c478bd9Sstevel@tonic-gate * to create the opaque format data. 2197c478bd9Sstevel@tonic-gate */ 2207c478bd9Sstevel@tonic-gate extern void *dtrace_printf_create(dtrace_hdl_t *, const char *); 2217c478bd9Sstevel@tonic-gate extern void *dtrace_printa_create(dtrace_hdl_t *, const char *); 2227c478bd9Sstevel@tonic-gate extern size_t dtrace_printf_format(dtrace_hdl_t *, void *, char *, size_t); 2237c478bd9Sstevel@tonic-gate 2247c478bd9Sstevel@tonic-gate extern int dtrace_fprintf(dtrace_hdl_t *, FILE *, void *, 2257c478bd9Sstevel@tonic-gate const dtrace_probedata_t *, const dtrace_recdesc_t *, uint_t, 2267c478bd9Sstevel@tonic-gate const void *, size_t); 2277c478bd9Sstevel@tonic-gate 2287c478bd9Sstevel@tonic-gate extern int dtrace_fprinta(dtrace_hdl_t *, FILE *, void *, 2297c478bd9Sstevel@tonic-gate const dtrace_probedata_t *, const dtrace_recdesc_t *, uint_t, 2307c478bd9Sstevel@tonic-gate const void *, size_t); 2317c478bd9Sstevel@tonic-gate 2327c478bd9Sstevel@tonic-gate extern int dtrace_system(dtrace_hdl_t *, FILE *, void *, 2337c478bd9Sstevel@tonic-gate const dtrace_probedata_t *, const dtrace_recdesc_t *, uint_t, 2347c478bd9Sstevel@tonic-gate const void *, size_t); 2357c478bd9Sstevel@tonic-gate 2367c478bd9Sstevel@tonic-gate extern int dtrace_freopen(dtrace_hdl_t *, FILE *, void *, 2377c478bd9Sstevel@tonic-gate const dtrace_probedata_t *, const dtrace_recdesc_t *, uint_t, 2387c478bd9Sstevel@tonic-gate const void *, size_t); 2397c478bd9Sstevel@tonic-gate 2407c478bd9Sstevel@tonic-gate /* 2417c478bd9Sstevel@tonic-gate * DTrace Work Interface 2427c478bd9Sstevel@tonic-gate */ 2437c478bd9Sstevel@tonic-gate typedef enum { 2447c478bd9Sstevel@tonic-gate DTRACE_WORKSTATUS_ERROR = -1, 2457c478bd9Sstevel@tonic-gate DTRACE_WORKSTATUS_OKAY, 2467c478bd9Sstevel@tonic-gate DTRACE_WORKSTATUS_DONE 2477c478bd9Sstevel@tonic-gate } dtrace_workstatus_t; 2487c478bd9Sstevel@tonic-gate 2497c478bd9Sstevel@tonic-gate extern dtrace_workstatus_t dtrace_work(dtrace_hdl_t *, FILE *, 2507c478bd9Sstevel@tonic-gate dtrace_consume_probe_f *, dtrace_consume_rec_f *, void *); 2517c478bd9Sstevel@tonic-gate 2527c478bd9Sstevel@tonic-gate /* 2537c478bd9Sstevel@tonic-gate * DTrace Handler Interface 2547c478bd9Sstevel@tonic-gate */ 2557c478bd9Sstevel@tonic-gate #define DTRACE_HANDLE_ABORT -1 /* abort current operation */ 2567c478bd9Sstevel@tonic-gate #define DTRACE_HANDLE_OK 0 /* handled okay; continue */ 2577c478bd9Sstevel@tonic-gate 2587c478bd9Sstevel@tonic-gate typedef struct dtrace_errdata { 2597c478bd9Sstevel@tonic-gate dtrace_hdl_t *dteda_handle; /* handle to DTrace library */ 2607c478bd9Sstevel@tonic-gate dtrace_eprobedesc_t *dteda_edesc; /* enabled probe inducing err */ 2617c478bd9Sstevel@tonic-gate dtrace_probedesc_t *dteda_pdesc; /* probe inducing error */ 2627c478bd9Sstevel@tonic-gate processorid_t dteda_cpu; /* CPU of error */ 2637c478bd9Sstevel@tonic-gate int dteda_action; /* action inducing error */ 2647c478bd9Sstevel@tonic-gate int dteda_offset; /* offset in DIFO of error */ 2657c478bd9Sstevel@tonic-gate int dteda_fault; /* specific fault */ 2667c478bd9Sstevel@tonic-gate uint64_t dteda_addr; /* address of fault, if any */ 2677c478bd9Sstevel@tonic-gate const char *dteda_msg; /* preconstructed message */ 2687c478bd9Sstevel@tonic-gate } dtrace_errdata_t; 2697c478bd9Sstevel@tonic-gate 270*a1b5e537Sbmc typedef int dtrace_handle_err_f(const dtrace_errdata_t *, void *); 2717c478bd9Sstevel@tonic-gate extern int dtrace_handle_err(dtrace_hdl_t *, dtrace_handle_err_f *, void *); 2727c478bd9Sstevel@tonic-gate 2737c478bd9Sstevel@tonic-gate typedef enum { 2747c478bd9Sstevel@tonic-gate DTRACEDROP_PRINCIPAL, /* drop to principal buffer */ 2757c478bd9Sstevel@tonic-gate DTRACEDROP_AGGREGATION, /* drop to aggregation buffer */ 2767c478bd9Sstevel@tonic-gate DTRACEDROP_DYNAMIC, /* dynamic drop */ 2777c478bd9Sstevel@tonic-gate DTRACEDROP_DYNRINSE, /* dyn drop due to rinsing */ 2787c478bd9Sstevel@tonic-gate DTRACEDROP_DYNDIRTY, /* dyn drop due to dirty */ 2797c478bd9Sstevel@tonic-gate DTRACEDROP_SPEC, /* speculative drop */ 2807c478bd9Sstevel@tonic-gate DTRACEDROP_SPECBUSY, /* spec drop due to busy */ 281*a1b5e537Sbmc DTRACEDROP_SPECUNAVAIL, /* spec drop due to unavail */ 282*a1b5e537Sbmc DTRACEDROP_STKSTROVERFLOW, /* stack string tab overflow */ 283*a1b5e537Sbmc DTRACEDROP_DBLERROR /* error in ERROR probe */ 2847c478bd9Sstevel@tonic-gate } dtrace_dropkind_t; 2857c478bd9Sstevel@tonic-gate 2867c478bd9Sstevel@tonic-gate typedef struct dtrace_dropdata { 2877c478bd9Sstevel@tonic-gate dtrace_hdl_t *dtdda_handle; /* handle to DTrace library */ 2887c478bd9Sstevel@tonic-gate processorid_t dtdda_cpu; /* CPU, if any */ 2897c478bd9Sstevel@tonic-gate dtrace_dropkind_t dtdda_kind; /* kind of drop */ 2907c478bd9Sstevel@tonic-gate uint64_t dtdda_drops; /* number of drops */ 2917c478bd9Sstevel@tonic-gate uint64_t dtdda_total; /* total drops */ 2927c478bd9Sstevel@tonic-gate const char *dtdda_msg; /* preconstructed message */ 2937c478bd9Sstevel@tonic-gate } dtrace_dropdata_t; 2947c478bd9Sstevel@tonic-gate 295*a1b5e537Sbmc typedef int dtrace_handle_drop_f(const dtrace_dropdata_t *, void *); 2967c478bd9Sstevel@tonic-gate extern int dtrace_handle_drop(dtrace_hdl_t *, dtrace_handle_drop_f *, void *); 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate typedef void dtrace_handle_proc_f(struct ps_prochandle *, void *); 2997c478bd9Sstevel@tonic-gate extern int dtrace_handle_proc(dtrace_hdl_t *, dtrace_handle_proc_f *, void *); 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate typedef struct dtrace_bufdata { 3027c478bd9Sstevel@tonic-gate dtrace_hdl_t *dtbda_handle; /* handle to DTrace library */ 3037c478bd9Sstevel@tonic-gate const char *dtbda_buffered; /* buffered output */ 3047c478bd9Sstevel@tonic-gate dtrace_probedata_t *dtbda_probe; /* probe data */ 305*a1b5e537Sbmc const dtrace_recdesc_t *dtbda_recdesc; /* record description */ 306*a1b5e537Sbmc const dtrace_aggdata_t *dtbda_aggdata; /* aggregation data, if agg. */ 3077c478bd9Sstevel@tonic-gate } dtrace_bufdata_t; 3087c478bd9Sstevel@tonic-gate 309*a1b5e537Sbmc typedef int dtrace_handle_buffered_f(const dtrace_bufdata_t *, void *); 3107c478bd9Sstevel@tonic-gate extern int dtrace_handle_buffered(dtrace_hdl_t *, 3117c478bd9Sstevel@tonic-gate dtrace_handle_buffered_f *, void *); 3127c478bd9Sstevel@tonic-gate 313*a1b5e537Sbmc typedef struct dtrace_setoptdata { 314*a1b5e537Sbmc dtrace_hdl_t *dtsda_handle; /* handle to DTrace library */ 315*a1b5e537Sbmc const dtrace_probedata_t *dtsda_probe; /* probe data */ 316*a1b5e537Sbmc const char *dtsda_option; /* option that was set */ 317*a1b5e537Sbmc dtrace_optval_t dtsda_oldval; /* old value */ 318*a1b5e537Sbmc dtrace_optval_t dtsda_newval; /* new value */ 319*a1b5e537Sbmc } dtrace_setoptdata_t; 320*a1b5e537Sbmc 321*a1b5e537Sbmc typedef int dtrace_handle_setopt_f(const dtrace_setoptdata_t *, void *); 322*a1b5e537Sbmc extern int dtrace_handle_setopt(dtrace_hdl_t *, 323*a1b5e537Sbmc dtrace_handle_setopt_f *, void *); 324*a1b5e537Sbmc 3257c478bd9Sstevel@tonic-gate /* 3267c478bd9Sstevel@tonic-gate * DTrace Aggregate Interface 3277c478bd9Sstevel@tonic-gate */ 3287c478bd9Sstevel@tonic-gate 3297c478bd9Sstevel@tonic-gate #define DTRACE_A_PERCPU 0x0001 3307c478bd9Sstevel@tonic-gate #define DTRACE_A_KEEPDELTA 0x0002 3317c478bd9Sstevel@tonic-gate #define DTRACE_A_ANONYMOUS 0x0004 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate #define DTRACE_AGGWALK_ERROR -1 /* error while processing */ 3347c478bd9Sstevel@tonic-gate #define DTRACE_AGGWALK_NEXT 0 /* proceed to next element */ 3357c478bd9Sstevel@tonic-gate #define DTRACE_AGGWALK_ABORT 1 /* abort aggregation walk */ 3367c478bd9Sstevel@tonic-gate #define DTRACE_AGGWALK_CLEAR 2 /* clear this element */ 3377c478bd9Sstevel@tonic-gate #define DTRACE_AGGWALK_NORMALIZE 3 /* normalize this element */ 3387c478bd9Sstevel@tonic-gate #define DTRACE_AGGWALK_DENORMALIZE 4 /* denormalize this element */ 3397c478bd9Sstevel@tonic-gate #define DTRACE_AGGWALK_REMOVE 5 /* remove this element */ 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate struct dtrace_aggdata { 3427c478bd9Sstevel@tonic-gate dtrace_hdl_t *dtada_handle; /* handle to DTrace library */ 3437c478bd9Sstevel@tonic-gate dtrace_aggdesc_t *dtada_desc; /* aggregation description */ 3447c478bd9Sstevel@tonic-gate dtrace_eprobedesc_t *dtada_edesc; /* enabled probe description */ 3457c478bd9Sstevel@tonic-gate dtrace_probedesc_t *dtada_pdesc; /* probe description */ 3467c478bd9Sstevel@tonic-gate caddr_t dtada_data; /* pointer to raw data */ 3477c478bd9Sstevel@tonic-gate uint64_t dtada_normal; /* the normal -- 1 for denorm */ 3487c478bd9Sstevel@tonic-gate size_t dtada_size; /* total size of the data */ 3497c478bd9Sstevel@tonic-gate caddr_t dtada_delta; /* delta data, if available */ 3507c478bd9Sstevel@tonic-gate caddr_t *dtada_percpu; /* per CPU data, if avail */ 3517c478bd9Sstevel@tonic-gate caddr_t *dtada_percpu_delta; /* per CPU delta, if avail */ 3527c478bd9Sstevel@tonic-gate }; 3537c478bd9Sstevel@tonic-gate 354*a1b5e537Sbmc typedef int dtrace_aggregate_f(const dtrace_aggdata_t *, void *); 3557c478bd9Sstevel@tonic-gate typedef int dtrace_aggregate_walk_f(dtrace_hdl_t *, 3567c478bd9Sstevel@tonic-gate dtrace_aggregate_f *, void *); 3577c478bd9Sstevel@tonic-gate 3587c478bd9Sstevel@tonic-gate extern void dtrace_aggregate_clear(dtrace_hdl_t *); 3597c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_snap(dtrace_hdl_t *); 3607c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_print(dtrace_hdl_t *, FILE *, 3617c478bd9Sstevel@tonic-gate dtrace_aggregate_walk_f *); 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_walk(dtrace_hdl_t *, dtrace_aggregate_f *, void *); 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_walk_keysorted(dtrace_hdl_t *, 3667c478bd9Sstevel@tonic-gate dtrace_aggregate_f *, void *); 3677c478bd9Sstevel@tonic-gate 3687c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_walk_valsorted(dtrace_hdl_t *, 3697c478bd9Sstevel@tonic-gate dtrace_aggregate_f *, void *); 3707c478bd9Sstevel@tonic-gate 3717c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_walk_keyvarsorted(dtrace_hdl_t *, 3727c478bd9Sstevel@tonic-gate dtrace_aggregate_f *, void *); 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_walk_valvarsorted(dtrace_hdl_t *, 3757c478bd9Sstevel@tonic-gate dtrace_aggregate_f *, void *); 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_walk_keyrevsorted(dtrace_hdl_t *, 3787c478bd9Sstevel@tonic-gate dtrace_aggregate_f *, void *); 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_walk_valrevsorted(dtrace_hdl_t *, 3817c478bd9Sstevel@tonic-gate dtrace_aggregate_f *, void *); 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_walk_keyvarrevsorted(dtrace_hdl_t *, 3847c478bd9Sstevel@tonic-gate dtrace_aggregate_f *, void *); 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate extern int dtrace_aggregate_walk_valvarrevsorted(dtrace_hdl_t *, 3877c478bd9Sstevel@tonic-gate dtrace_aggregate_f *, void *); 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate #define DTRACE_AGD_PRINTED 0x1 /* aggregation printed in program */ 3907c478bd9Sstevel@tonic-gate 3917c478bd9Sstevel@tonic-gate /* 3927c478bd9Sstevel@tonic-gate * DTrace Process Control Interface 3937c478bd9Sstevel@tonic-gate * 3947c478bd9Sstevel@tonic-gate * Library clients who wish to have libdtrace create or grab processes for 3957c478bd9Sstevel@tonic-gate * monitoring of their symbol table changes may use these interfaces to 3967c478bd9Sstevel@tonic-gate * request that libdtrace obtain control of the process using libproc. 3977c478bd9Sstevel@tonic-gate */ 3987c478bd9Sstevel@tonic-gate 3997c478bd9Sstevel@tonic-gate extern struct ps_prochandle *dtrace_proc_create(dtrace_hdl_t *, 4007c478bd9Sstevel@tonic-gate const char *, char *const *); 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate extern struct ps_prochandle *dtrace_proc_grab(dtrace_hdl_t *, pid_t, int); 4037c478bd9Sstevel@tonic-gate extern void dtrace_proc_release(dtrace_hdl_t *, struct ps_prochandle *); 4047c478bd9Sstevel@tonic-gate extern void dtrace_proc_continue(dtrace_hdl_t *, struct ps_prochandle *); 4057c478bd9Sstevel@tonic-gate 4067c478bd9Sstevel@tonic-gate /* 4077c478bd9Sstevel@tonic-gate * DTrace Object, Symbol, and Type Interfaces 4087c478bd9Sstevel@tonic-gate * 4097c478bd9Sstevel@tonic-gate * Library clients can use libdtrace to perform symbol and C type information 4107c478bd9Sstevel@tonic-gate * lookups by symbol name, symbol address, or C type name, or to lookup meta- 4117c478bd9Sstevel@tonic-gate * information cached for each of the program objects in use by DTrace. The 4127c478bd9Sstevel@tonic-gate * resulting struct contain pointers to arbitrary-length strings, including 4137c478bd9Sstevel@tonic-gate * object, symbol, and type names, that are persistent until the next call to 4147c478bd9Sstevel@tonic-gate * dtrace_update(). Once dtrace_update() is called, any cached values must 4157c478bd9Sstevel@tonic-gate * be flushed and not used subsequently by the client program. 4167c478bd9Sstevel@tonic-gate */ 4177c478bd9Sstevel@tonic-gate 4187c478bd9Sstevel@tonic-gate #define DTRACE_OBJ_EXEC ((const char *)0L) /* primary executable file */ 4197c478bd9Sstevel@tonic-gate #define DTRACE_OBJ_RTLD ((const char *)1L) /* run-time link-editor */ 4207c478bd9Sstevel@tonic-gate #define DTRACE_OBJ_CDEFS ((const char *)2L) /* C include definitions */ 4217c478bd9Sstevel@tonic-gate #define DTRACE_OBJ_DDEFS ((const char *)3L) /* D program definitions */ 4227c478bd9Sstevel@tonic-gate #define DTRACE_OBJ_EVERY ((const char *)-1L) /* all known objects */ 4237c478bd9Sstevel@tonic-gate #define DTRACE_OBJ_KMODS ((const char *)-2L) /* all kernel objects */ 4247c478bd9Sstevel@tonic-gate #define DTRACE_OBJ_UMODS ((const char *)-3L) /* all user objects */ 4257c478bd9Sstevel@tonic-gate 4267c478bd9Sstevel@tonic-gate typedef struct dtrace_objinfo { 4277c478bd9Sstevel@tonic-gate const char *dto_name; /* object file scope name */ 4287c478bd9Sstevel@tonic-gate const char *dto_file; /* object file path (if any) */ 4297c478bd9Sstevel@tonic-gate int dto_id; /* object file id (if any) */ 4307c478bd9Sstevel@tonic-gate uint_t dto_flags; /* object flags (see below) */ 4317c478bd9Sstevel@tonic-gate GElf_Addr dto_text_va; /* address of text section */ 4327c478bd9Sstevel@tonic-gate GElf_Xword dto_text_size; /* size of text section */ 4337c478bd9Sstevel@tonic-gate GElf_Addr dto_data_va; /* address of data section */ 4347c478bd9Sstevel@tonic-gate GElf_Xword dto_data_size; /* size of data section */ 4357c478bd9Sstevel@tonic-gate GElf_Addr dto_bss_va; /* address of BSS */ 4367c478bd9Sstevel@tonic-gate GElf_Xword dto_bss_size; /* size of BSS */ 4377c478bd9Sstevel@tonic-gate } dtrace_objinfo_t; 4387c478bd9Sstevel@tonic-gate 4397c478bd9Sstevel@tonic-gate #define DTRACE_OBJ_F_KERNEL 0x1 /* object is a kernel module */ 4407c478bd9Sstevel@tonic-gate #define DTRACE_OBJ_F_PRIMARY 0x2 /* object is a primary module */ 4417c478bd9Sstevel@tonic-gate 4427c478bd9Sstevel@tonic-gate typedef int dtrace_obj_f(dtrace_hdl_t *, const dtrace_objinfo_t *, void *); 4437c478bd9Sstevel@tonic-gate 4447c478bd9Sstevel@tonic-gate extern int dtrace_object_iter(dtrace_hdl_t *, dtrace_obj_f *, void *); 4457c478bd9Sstevel@tonic-gate extern int dtrace_object_info(dtrace_hdl_t *, const char *, dtrace_objinfo_t *); 4467c478bd9Sstevel@tonic-gate 4477c478bd9Sstevel@tonic-gate typedef struct dtrace_syminfo { 4487c478bd9Sstevel@tonic-gate const char *dts_object; /* object name */ 4497c478bd9Sstevel@tonic-gate const char *dts_name; /* symbol name */ 4507c478bd9Sstevel@tonic-gate ulong_t dts_id; /* symbol id */ 4517c478bd9Sstevel@tonic-gate } dtrace_syminfo_t; 4527c478bd9Sstevel@tonic-gate 4537c478bd9Sstevel@tonic-gate extern int dtrace_lookup_by_name(dtrace_hdl_t *, const char *, const char *, 4547c478bd9Sstevel@tonic-gate GElf_Sym *, dtrace_syminfo_t *); 4557c478bd9Sstevel@tonic-gate 4567c478bd9Sstevel@tonic-gate extern int dtrace_lookup_by_addr(dtrace_hdl_t *, GElf_Addr addr, 4577c478bd9Sstevel@tonic-gate GElf_Sym *, dtrace_syminfo_t *); 4587c478bd9Sstevel@tonic-gate 4597c478bd9Sstevel@tonic-gate typedef struct dtrace_typeinfo { 4607c478bd9Sstevel@tonic-gate const char *dtt_object; /* object containing type */ 4617c478bd9Sstevel@tonic-gate ctf_file_t *dtt_ctfp; /* CTF container handle */ 4627c478bd9Sstevel@tonic-gate ctf_id_t dtt_type; /* CTF type identifier */ 4637c478bd9Sstevel@tonic-gate } dtrace_typeinfo_t; 4647c478bd9Sstevel@tonic-gate 4657c478bd9Sstevel@tonic-gate extern int dtrace_lookup_by_type(dtrace_hdl_t *, const char *, const char *, 4667c478bd9Sstevel@tonic-gate dtrace_typeinfo_t *); 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate extern int dtrace_symbol_type(dtrace_hdl_t *, const GElf_Sym *, 4697c478bd9Sstevel@tonic-gate const dtrace_syminfo_t *, dtrace_typeinfo_t *); 4707c478bd9Sstevel@tonic-gate 4717c478bd9Sstevel@tonic-gate extern int dtrace_type_strcompile(dtrace_hdl_t *, 4727c478bd9Sstevel@tonic-gate const char *, dtrace_typeinfo_t *); 4737c478bd9Sstevel@tonic-gate 4747c478bd9Sstevel@tonic-gate extern int dtrace_type_fcompile(dtrace_hdl_t *, 4757c478bd9Sstevel@tonic-gate FILE *, dtrace_typeinfo_t *); 4767c478bd9Sstevel@tonic-gate 4777c478bd9Sstevel@tonic-gate /* 4787c478bd9Sstevel@tonic-gate * DTrace Probe Interface 4797c478bd9Sstevel@tonic-gate * 4807c478bd9Sstevel@tonic-gate * Library clients can use these functions to iterate over the set of available 4817c478bd9Sstevel@tonic-gate * probe definitions and inquire as to their attributes. The probe iteration 4827c478bd9Sstevel@tonic-gate * interfaces report probes that are declared as well as those from dtrace(7D). 4837c478bd9Sstevel@tonic-gate */ 4847c478bd9Sstevel@tonic-gate typedef struct dtrace_probeinfo { 4857c478bd9Sstevel@tonic-gate dtrace_attribute_t dtp_attr; /* name attributes */ 4867c478bd9Sstevel@tonic-gate dtrace_attribute_t dtp_arga; /* arg attributes */ 4877c478bd9Sstevel@tonic-gate const dtrace_typeinfo_t *dtp_argv; /* arg types */ 4887c478bd9Sstevel@tonic-gate int dtp_argc; /* arg count */ 4897c478bd9Sstevel@tonic-gate } dtrace_probeinfo_t; 4907c478bd9Sstevel@tonic-gate 4917c478bd9Sstevel@tonic-gate typedef int dtrace_probe_f(dtrace_hdl_t *, const dtrace_probedesc_t *, void *); 4927c478bd9Sstevel@tonic-gate 4937c478bd9Sstevel@tonic-gate extern int dtrace_probe_iter(dtrace_hdl_t *, 4947c478bd9Sstevel@tonic-gate const dtrace_probedesc_t *pdp, dtrace_probe_f *, void *); 4957c478bd9Sstevel@tonic-gate 4967c478bd9Sstevel@tonic-gate extern int dtrace_probe_info(dtrace_hdl_t *, 4977c478bd9Sstevel@tonic-gate const dtrace_probedesc_t *, dtrace_probeinfo_t *); 4987c478bd9Sstevel@tonic-gate 4997c478bd9Sstevel@tonic-gate /* 5007c478bd9Sstevel@tonic-gate * DTrace Vector Interface 5017c478bd9Sstevel@tonic-gate * 5027c478bd9Sstevel@tonic-gate * The DTrace library normally speaks directly to dtrace(7D). However, 5037c478bd9Sstevel@tonic-gate * this communication may be vectored elsewhere. Consumers who wish to 5047c478bd9Sstevel@tonic-gate * perform a vectored open must fill in the vector, and use the dtrace_vopen() 5057c478bd9Sstevel@tonic-gate * entry point to obtain a library handle. 5067c478bd9Sstevel@tonic-gate */ 5077c478bd9Sstevel@tonic-gate struct dtrace_vector { 5087c478bd9Sstevel@tonic-gate int (*dtv_ioctl)(void *, int, void *); 5097c478bd9Sstevel@tonic-gate int (*dtv_lookup_by_addr)(void *, GElf_Addr, GElf_Sym *, 5107c478bd9Sstevel@tonic-gate dtrace_syminfo_t *); 5117c478bd9Sstevel@tonic-gate int (*dtv_status)(void *, processorid_t); 5127c478bd9Sstevel@tonic-gate long (*dtv_sysconf)(void *, int); 5137c478bd9Sstevel@tonic-gate }; 5147c478bd9Sstevel@tonic-gate 5157c478bd9Sstevel@tonic-gate /* 5167c478bd9Sstevel@tonic-gate * DTrace Utility Functions 5177c478bd9Sstevel@tonic-gate * 518*a1b5e537Sbmc * Library clients can use these functions to convert addresses strings, to 519*a1b5e537Sbmc * convert between string and integer probe descriptions and the 520*a1b5e537Sbmc * dtrace_probedesc_t representation, and to perform similar conversions on 521*a1b5e537Sbmc * stability attributes. 5227c478bd9Sstevel@tonic-gate */ 523*a1b5e537Sbmc extern int dtrace_addr2str(dtrace_hdl_t *, uint64_t, char *, int); 524*a1b5e537Sbmc extern int dtrace_uaddr2str(dtrace_hdl_t *, pid_t, uint64_t, char *, int); 525*a1b5e537Sbmc 5267c478bd9Sstevel@tonic-gate extern int dtrace_xstr2desc(dtrace_hdl_t *, dtrace_probespec_t, 5277c478bd9Sstevel@tonic-gate const char *, int, char *const [], dtrace_probedesc_t *); 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate extern int dtrace_str2desc(dtrace_hdl_t *, dtrace_probespec_t, 5307c478bd9Sstevel@tonic-gate const char *, dtrace_probedesc_t *); 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate extern int dtrace_id2desc(dtrace_hdl_t *, dtrace_id_t, dtrace_probedesc_t *); 5337c478bd9Sstevel@tonic-gate 5347c478bd9Sstevel@tonic-gate #define DTRACE_DESC2STR_MAX 1024 /* min buf size for dtrace_desc2str() */ 5357c478bd9Sstevel@tonic-gate 5367c478bd9Sstevel@tonic-gate extern char *dtrace_desc2str(const dtrace_probedesc_t *, char *, size_t); 5377c478bd9Sstevel@tonic-gate 5387c478bd9Sstevel@tonic-gate #define DTRACE_ATTR2STR_MAX 64 /* min buf size for dtrace_attr2str() */ 5397c478bd9Sstevel@tonic-gate 5407c478bd9Sstevel@tonic-gate extern char *dtrace_attr2str(dtrace_attribute_t, char *, size_t); 5417c478bd9Sstevel@tonic-gate extern int dtrace_str2attr(const char *, dtrace_attribute_t *); 5427c478bd9Sstevel@tonic-gate 5437c478bd9Sstevel@tonic-gate extern const char *dtrace_stability_name(dtrace_stability_t); 5447c478bd9Sstevel@tonic-gate extern const char *dtrace_class_name(dtrace_class_t); 5457c478bd9Sstevel@tonic-gate 5467c478bd9Sstevel@tonic-gate extern int dtrace_provider_modules(dtrace_hdl_t *, const char **, int); 5477c478bd9Sstevel@tonic-gate 5487c478bd9Sstevel@tonic-gate extern const char *const _dtrace_version; 5497c478bd9Sstevel@tonic-gate extern int _dtrace_debug; 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate #ifdef __cplusplus 5527c478bd9Sstevel@tonic-gate } 5537c478bd9Sstevel@tonic-gate #endif 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate #endif /* _DTRACE_H */ 556