xref: /illumos-gate/usr/src/lib/libdtrace/common/dt_impl.h (revision 6009dbc6db3fe0e2890761d3d562bb4c4b9bf0be)
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
5ad4023c4Sdp  * Common Development and Distribution License (the "License").
6ad4023c4Sdp  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
21*6009dbc6Sahl 
227c478bd9Sstevel@tonic-gate /*
236e0bee74Sjhaslam  * Copyright 2008 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	_DT_IMPL_H
287c478bd9Sstevel@tonic-gate #define	_DT_IMPL_H
297c478bd9Sstevel@tonic-gate 
307c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate #include <sys/param.h>
337c478bd9Sstevel@tonic-gate #include <sys/objfs.h>
347c478bd9Sstevel@tonic-gate #include <setjmp.h>
357c478bd9Sstevel@tonic-gate #include <libctf.h>
367c478bd9Sstevel@tonic-gate #include <dtrace.h>
377c478bd9Sstevel@tonic-gate #include <gelf.h>
387c478bd9Sstevel@tonic-gate 
397c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
407c478bd9Sstevel@tonic-gate extern "C" {
417c478bd9Sstevel@tonic-gate #endif
427c478bd9Sstevel@tonic-gate 
437c478bd9Sstevel@tonic-gate #include <dt_parser.h>
447c478bd9Sstevel@tonic-gate #include <dt_regset.h>
457c478bd9Sstevel@tonic-gate #include <dt_inttab.h>
467c478bd9Sstevel@tonic-gate #include <dt_strtab.h>
477c478bd9Sstevel@tonic-gate #include <dt_ident.h>
487c478bd9Sstevel@tonic-gate #include <dt_list.h>
497c478bd9Sstevel@tonic-gate #include <dt_decl.h>
507c478bd9Sstevel@tonic-gate #include <dt_as.h>
517c478bd9Sstevel@tonic-gate #include <dt_proc.h>
527c478bd9Sstevel@tonic-gate #include <dt_dof.h>
537c478bd9Sstevel@tonic-gate #include <dt_pcb.h>
547c478bd9Sstevel@tonic-gate 
557c478bd9Sstevel@tonic-gate struct dt_module;		/* see below */
567c478bd9Sstevel@tonic-gate struct dt_pfdict;		/* see <dt_printf.h> */
577c478bd9Sstevel@tonic-gate struct dt_arg;			/* see below */
587c478bd9Sstevel@tonic-gate struct dt_provider;		/* see <dt_provider.h> */
591a7c1b72Smws struct dt_xlator;		/* see <dt_xlator.h> */
607c478bd9Sstevel@tonic-gate 
617c478bd9Sstevel@tonic-gate typedef struct dt_intrinsic {
627c478bd9Sstevel@tonic-gate 	const char *din_name;	/* string name of the intrinsic type */
637c478bd9Sstevel@tonic-gate 	ctf_encoding_t din_data; /* integer or floating-point CTF encoding */
647c478bd9Sstevel@tonic-gate 	uint_t din_kind;	/* CTF type kind to instantiate */
657c478bd9Sstevel@tonic-gate } dt_intrinsic_t;
667c478bd9Sstevel@tonic-gate 
677c478bd9Sstevel@tonic-gate typedef struct dt_typedef {
687c478bd9Sstevel@tonic-gate 	const char *dty_src;	/* string name of typedef source type */
697c478bd9Sstevel@tonic-gate 	const char *dty_dst;	/* string name of typedef destination type */
707c478bd9Sstevel@tonic-gate } dt_typedef_t;
717c478bd9Sstevel@tonic-gate 
727c478bd9Sstevel@tonic-gate typedef struct dt_intdesc {
737c478bd9Sstevel@tonic-gate 	const char *did_name;	/* string name of the integer type */
747c478bd9Sstevel@tonic-gate 	ctf_file_t *did_ctfp;	/* CTF container for this type reference */
757c478bd9Sstevel@tonic-gate 	ctf_id_t did_type;	/* CTF type reference for this type */
767c478bd9Sstevel@tonic-gate 	uintmax_t did_limit;	/* maximum positive value held by type */
777c478bd9Sstevel@tonic-gate } dt_intdesc_t;
787c478bd9Sstevel@tonic-gate 
797c478bd9Sstevel@tonic-gate typedef struct dt_modops {
807c478bd9Sstevel@tonic-gate 	uint_t (*do_syminit)(struct dt_module *);
817c478bd9Sstevel@tonic-gate 	void (*do_symsort)(struct dt_module *);
827c478bd9Sstevel@tonic-gate 	GElf_Sym *(*do_symname)(struct dt_module *,
837c478bd9Sstevel@tonic-gate 	    const char *, GElf_Sym *, uint_t *);
847c478bd9Sstevel@tonic-gate 	GElf_Sym *(*do_symaddr)(struct dt_module *,
857c478bd9Sstevel@tonic-gate 	    GElf_Addr, GElf_Sym *, uint_t *);
867c478bd9Sstevel@tonic-gate } dt_modops_t;
877c478bd9Sstevel@tonic-gate 
887c478bd9Sstevel@tonic-gate typedef struct dt_arg {
897c478bd9Sstevel@tonic-gate 	int da_ndx;		/* index of this argument */
907c478bd9Sstevel@tonic-gate 	int da_mapping;		/* mapping of argument indices to arguments */
917c478bd9Sstevel@tonic-gate 	ctf_id_t da_type;	/* type of argument */
927c478bd9Sstevel@tonic-gate 	ctf_file_t *da_ctfp;	/* CTF container for type */
937c478bd9Sstevel@tonic-gate 	dt_ident_t *da_xlator;	/* translator, if any */
947c478bd9Sstevel@tonic-gate 	struct dt_arg *da_next;	/* next argument */
957c478bd9Sstevel@tonic-gate } dt_arg_t;
967c478bd9Sstevel@tonic-gate 
977c478bd9Sstevel@tonic-gate typedef struct dt_sym {
987c478bd9Sstevel@tonic-gate 	uint_t ds_symid;	/* id of corresponding symbol */
997c478bd9Sstevel@tonic-gate 	uint_t ds_next;		/* index of next element in hash chain */
1007c478bd9Sstevel@tonic-gate } dt_sym_t;
1017c478bd9Sstevel@tonic-gate 
1027c478bd9Sstevel@tonic-gate typedef struct dt_module {
1037c478bd9Sstevel@tonic-gate 	dt_list_t dm_list;	/* list forward/back pointers */
1047c478bd9Sstevel@tonic-gate 	char dm_name[DTRACE_MODNAMELEN]; /* string name of module */
1057c478bd9Sstevel@tonic-gate 	char dm_file[MAXPATHLEN]; /* file path of module (if any) */
1067c478bd9Sstevel@tonic-gate 	struct dt_module *dm_next; /* pointer to next module in hash chain */
1077c478bd9Sstevel@tonic-gate 	const dt_modops_t *dm_ops; /* pointer to data model's ops vector */
1087c478bd9Sstevel@tonic-gate 	Elf *dm_elf;		/* libelf handle for module object */
1097c478bd9Sstevel@tonic-gate 	objfs_info_t dm_info;	/* object filesystem private info */
1107c478bd9Sstevel@tonic-gate 	ctf_sect_t dm_symtab;	/* symbol table for module */
1117c478bd9Sstevel@tonic-gate 	ctf_sect_t dm_strtab;	/* string table for module */
1127c478bd9Sstevel@tonic-gate 	ctf_sect_t dm_ctdata;	/* CTF data for module */
1137c478bd9Sstevel@tonic-gate 	ctf_file_t *dm_ctfp;	/* CTF container handle */
1147c478bd9Sstevel@tonic-gate 	uint_t *dm_symbuckets;	/* symbol table hash buckets (chain indices) */
1157c478bd9Sstevel@tonic-gate 	dt_sym_t *dm_symchains;	/* symbol table hash chains buffer */
1167c478bd9Sstevel@tonic-gate 	void *dm_asmap;		/* symbol pointers sorted by value */
1177c478bd9Sstevel@tonic-gate 	uint_t dm_symfree;	/* index of next free hash element */
1187c478bd9Sstevel@tonic-gate 	uint_t dm_nsymbuckets;	/* number of elements in bucket array */
1197c478bd9Sstevel@tonic-gate 	uint_t dm_nsymelems;	/* number of elements in hash table */
1207c478bd9Sstevel@tonic-gate 	uint_t dm_asrsv;	/* actual reserved size of dm_asmap */
1217c478bd9Sstevel@tonic-gate 	uint_t dm_aslen;	/* number of entries in dm_asmap */
1227c478bd9Sstevel@tonic-gate 	uint_t dm_flags;	/* module flags (see below) */
1237c478bd9Sstevel@tonic-gate 	int dm_modid;		/* modinfo(1M) module identifier */
1247c478bd9Sstevel@tonic-gate 	GElf_Addr dm_text_va;	/* virtual address of text section */
1257c478bd9Sstevel@tonic-gate 	GElf_Xword dm_text_size; /* size in bytes of text section */
1267c478bd9Sstevel@tonic-gate 	GElf_Addr dm_data_va;	/* virtual address of data section */
1277c478bd9Sstevel@tonic-gate 	GElf_Xword dm_data_size; /* size in bytes of data section */
1287c478bd9Sstevel@tonic-gate 	GElf_Addr dm_bss_va;	/* virtual address of BSS */
1297c478bd9Sstevel@tonic-gate 	GElf_Xword dm_bss_size;	/* size in bytes of BSS */
1307c478bd9Sstevel@tonic-gate 	dt_idhash_t *dm_extern;	/* external symbol definitions */
1317c478bd9Sstevel@tonic-gate } dt_module_t;
1327c478bd9Sstevel@tonic-gate 
1337c478bd9Sstevel@tonic-gate #define	DT_DM_LOADED	0x1	/* module symbol and type data is loaded */
1347c478bd9Sstevel@tonic-gate #define	DT_DM_KERNEL	0x2	/* module is associated with a kernel object */
1357c478bd9Sstevel@tonic-gate #define	DT_DM_PRIMARY	0x4	/* module is a krtld primary kernel object */
1367c478bd9Sstevel@tonic-gate 
1377c478bd9Sstevel@tonic-gate typedef struct dt_provmod {
1387c478bd9Sstevel@tonic-gate 	char *dp_name;				/* name of provider module */
1397c478bd9Sstevel@tonic-gate 	struct dt_provmod *dp_next;		/* next module */
1407c478bd9Sstevel@tonic-gate } dt_provmod_t;
1417c478bd9Sstevel@tonic-gate 
1427c478bd9Sstevel@tonic-gate typedef struct dt_ahashent {
1437c478bd9Sstevel@tonic-gate 	struct dt_ahashent *dtahe_prev;		/* prev on hash chain */
1447c478bd9Sstevel@tonic-gate 	struct dt_ahashent *dtahe_next;		/* next on hash chain */
1457c478bd9Sstevel@tonic-gate 	struct dt_ahashent *dtahe_prevall;	/* prev on list of all */
1467c478bd9Sstevel@tonic-gate 	struct dt_ahashent *dtahe_nextall;	/* next on list of all */
1477c478bd9Sstevel@tonic-gate 	uint64_t dtahe_hashval;			/* hash value */
1487c478bd9Sstevel@tonic-gate 	size_t dtahe_size;			/* size of data */
1497c478bd9Sstevel@tonic-gate 	dtrace_aggdata_t dtahe_data;		/* data */
150187eccf8Sbmc 	void (*dtahe_aggregate)(int64_t *, int64_t *, size_t); /* function */
1517c478bd9Sstevel@tonic-gate } dt_ahashent_t;
1527c478bd9Sstevel@tonic-gate 
1537c478bd9Sstevel@tonic-gate typedef struct dt_ahash {
1547c478bd9Sstevel@tonic-gate 	dt_ahashent_t	**dtah_hash;		/* hash table */
1557c478bd9Sstevel@tonic-gate 	dt_ahashent_t	*dtah_all;		/* list of all elements */
1567c478bd9Sstevel@tonic-gate 	size_t		dtah_size;		/* size of hash table */
1577c478bd9Sstevel@tonic-gate } dt_ahash_t;
1587c478bd9Sstevel@tonic-gate 
1597c478bd9Sstevel@tonic-gate typedef struct dt_aggregate {
1607c478bd9Sstevel@tonic-gate 	dtrace_bufdesc_t dtat_buf; 	/* buf aggregation snapshot */
1617c478bd9Sstevel@tonic-gate 	int dtat_flags;			/* aggregate flags */
1627c478bd9Sstevel@tonic-gate 	processorid_t dtat_ncpus;	/* number of CPUs in aggregate */
1637c478bd9Sstevel@tonic-gate 	processorid_t *dtat_cpus;	/* CPUs in aggregate */
1647c478bd9Sstevel@tonic-gate 	processorid_t dtat_ncpu;	/* size of dtat_cpus array */
1657c478bd9Sstevel@tonic-gate 	processorid_t dtat_maxcpu;	/* maximum number of CPUs */
1667c478bd9Sstevel@tonic-gate 	dt_ahash_t dtat_hash;		/* aggregate hash table */
1677c478bd9Sstevel@tonic-gate } dt_aggregate_t;
1687c478bd9Sstevel@tonic-gate 
1697c478bd9Sstevel@tonic-gate typedef struct dt_print_aggdata {
1707c478bd9Sstevel@tonic-gate 	dtrace_hdl_t *dtpa_dtp;		/* pointer to libdtrace handle */
1717c478bd9Sstevel@tonic-gate 	dtrace_aggvarid_t dtpa_id;	/* aggregation variable of interest */
1727c478bd9Sstevel@tonic-gate 	FILE *dtpa_fp;			/* file pointer */
1737c478bd9Sstevel@tonic-gate 	int dtpa_allunprint;		/* print only unprinted aggregations */
1747c478bd9Sstevel@tonic-gate } dt_print_aggdata_t;
1757c478bd9Sstevel@tonic-gate 
1767c478bd9Sstevel@tonic-gate typedef struct dt_dirpath {
1777c478bd9Sstevel@tonic-gate 	dt_list_t dir_list;		/* linked-list forward/back pointers */
1787c478bd9Sstevel@tonic-gate 	char *dir_path;			/* directory pathname */
1797c478bd9Sstevel@tonic-gate } dt_dirpath_t;
1807c478bd9Sstevel@tonic-gate 
181c9d6cd77Sjhaslam typedef struct dt_lib_depend {
182c9d6cd77Sjhaslam 	dt_list_t dtld_deplist;		/* linked-list forward/back pointers */
183c9d6cd77Sjhaslam 	char *dtld_library;		/* library name */
184c9d6cd77Sjhaslam 	char *dtld_libpath;		/* library pathname */
185c9d6cd77Sjhaslam 	uint_t dtld_finish;		/* completion time in tsort for lib */
186c9d6cd77Sjhaslam 	uint_t dtld_start;		/* starting time in tsort for lib */
187*6009dbc6Sahl 	uint_t dtld_loaded;		/* boolean: is this library loaded */
188c9d6cd77Sjhaslam 	dt_list_t dtld_dependencies;	/* linked-list of lib dependencies */
189c9d6cd77Sjhaslam 	dt_list_t dtld_dependents;	/* linked-list of lib dependents */
190c9d6cd77Sjhaslam } dt_lib_depend_t;
191c9d6cd77Sjhaslam 
1927c478bd9Sstevel@tonic-gate typedef uint32_t dt_version_t;		/* encoded version (see below) */
1937c478bd9Sstevel@tonic-gate 
1947c478bd9Sstevel@tonic-gate struct dtrace_hdl {
1957c478bd9Sstevel@tonic-gate 	const dtrace_vector_t *dt_vector; /* library vector, if vectored open */
1967c478bd9Sstevel@tonic-gate 	void *dt_varg;	/* vector argument, if vectored open */
1977c478bd9Sstevel@tonic-gate 	dtrace_conf_t dt_conf;	/* DTrace driver configuration profile */
1987c478bd9Sstevel@tonic-gate 	char dt_errmsg[BUFSIZ];	/* buffer for formatted syntax error msgs */
1997c478bd9Sstevel@tonic-gate 	const char *dt_errtag;	/* tag used with last call to dt_set_errmsg() */
2007c478bd9Sstevel@tonic-gate 	dt_pcb_t *dt_pcb;	/* pointer to current parsing control block */
2017c478bd9Sstevel@tonic-gate 	ulong_t dt_gen;		/* compiler generation number */
2027c478bd9Sstevel@tonic-gate 	dt_list_t dt_programs;	/* linked list of dtrace_prog_t's */
2037c478bd9Sstevel@tonic-gate 	dt_list_t dt_xlators;	/* linked list of dt_xlator_t's */
2041a7c1b72Smws 	struct dt_xlator **dt_xlatormap; /* dt_xlator_t's indexed by dx_id */
2051a7c1b72Smws 	id_t dt_xlatorid;	/* next dt_xlator_t id to assign */
2067c478bd9Sstevel@tonic-gate 	dt_ident_t *dt_externs;	/* linked list of external symbol identifiers */
2077c478bd9Sstevel@tonic-gate 	dt_idhash_t *dt_macros;	/* hash table of macro variable identifiers */
2087c478bd9Sstevel@tonic-gate 	dt_idhash_t *dt_aggs;	/* hash table of aggregation identifiers */
2097c478bd9Sstevel@tonic-gate 	dt_idhash_t *dt_globals; /* hash table of global identifiers */
2107c478bd9Sstevel@tonic-gate 	dt_idhash_t *dt_tls;	/* hash table of thread-local identifiers */
2117c478bd9Sstevel@tonic-gate 	dt_list_t dt_modlist;	/* linked list of dt_module_t's */
2127c478bd9Sstevel@tonic-gate 	dt_module_t **dt_mods;	/* hash table of dt_module_t's */
2137c478bd9Sstevel@tonic-gate 	uint_t dt_modbuckets;	/* number of module hash buckets */
2147c478bd9Sstevel@tonic-gate 	uint_t dt_nmods;	/* number of modules in hash and list */
2157c478bd9Sstevel@tonic-gate 	dt_provmod_t *dt_provmod; /* linked list of provider modules */
2167c478bd9Sstevel@tonic-gate 	dt_module_t *dt_exec;	/* pointer to executable module */
2177c478bd9Sstevel@tonic-gate 	dt_module_t *dt_rtld;	/* pointer to run-time linker module */
2187c478bd9Sstevel@tonic-gate 	dt_module_t *dt_cdefs;	/* pointer to C dynamic type module */
2197c478bd9Sstevel@tonic-gate 	dt_module_t *dt_ddefs;	/* pointer to D dynamic type module */
2207c478bd9Sstevel@tonic-gate 	dt_list_t dt_provlist;	/* linked list of dt_provider_t's */
2217c478bd9Sstevel@tonic-gate 	struct dt_provider **dt_provs; /* hash table of dt_provider_t's */
2227c478bd9Sstevel@tonic-gate 	uint_t dt_provbuckets;	/* number of provider hash buckets */
2237c478bd9Sstevel@tonic-gate 	uint_t dt_nprovs;	/* number of providers in hash and list */
2247c478bd9Sstevel@tonic-gate 	dt_proc_hash_t *dt_procs; /* hash table of grabbed process handles */
2257c478bd9Sstevel@tonic-gate 	dt_intdesc_t dt_ints[6]; /* cached integer type descriptions */
2267c478bd9Sstevel@tonic-gate 	ctf_id_t dt_type_func;	/* cached CTF identifier for function type */
2277c478bd9Sstevel@tonic-gate 	ctf_id_t dt_type_fptr;	/* cached CTF identifier for function pointer */
2287c478bd9Sstevel@tonic-gate 	ctf_id_t dt_type_str;	/* cached CTF identifier for string type */
2297c478bd9Sstevel@tonic-gate 	ctf_id_t dt_type_dyn;	/* cached CTF identifier for <DYN> type */
2307c478bd9Sstevel@tonic-gate 	ctf_id_t dt_type_stack;	/* cached CTF identifier for stack type */
231a1b5e537Sbmc 	ctf_id_t dt_type_symaddr; /* cached CTF identifier for _symaddr type */
232a1b5e537Sbmc 	ctf_id_t dt_type_usymaddr; /* cached CTF ident. for _usymaddr type */
2337c478bd9Sstevel@tonic-gate 	size_t dt_maxprobe;	/* max enabled probe ID */
2347c478bd9Sstevel@tonic-gate 	dtrace_eprobedesc_t **dt_edesc; /* enabled probe descriptions */
2357c478bd9Sstevel@tonic-gate 	dtrace_probedesc_t **dt_pdesc; /* probe descriptions for enabled prbs */
2367c478bd9Sstevel@tonic-gate 	size_t dt_maxagg;	/* max aggregation ID */
2377c478bd9Sstevel@tonic-gate 	dtrace_aggdesc_t **dt_aggdesc; /* aggregation descriptions */
2387c478bd9Sstevel@tonic-gate 	int dt_maxformat;	/* max format ID */
2397c478bd9Sstevel@tonic-gate 	void **dt_formats;	/* pointer to format array */
2407c478bd9Sstevel@tonic-gate 	dt_aggregate_t dt_aggregate; /* aggregate */
2417c478bd9Sstevel@tonic-gate 	dtrace_bufdesc_t dt_buf; /* staging buffer */
2427c478bd9Sstevel@tonic-gate 	struct dt_pfdict *dt_pfdict; /* dictionary of printf conversions */
2437c478bd9Sstevel@tonic-gate 	dt_version_t dt_vmax;	/* optional ceiling on program API binding */
2447c478bd9Sstevel@tonic-gate 	dtrace_attribute_t dt_amin; /* optional floor on program attributes */
2457c478bd9Sstevel@tonic-gate 	char *dt_cpp_path;	/* pathname of cpp(1) to invoke if needed */
2467c478bd9Sstevel@tonic-gate 	char **dt_cpp_argv;	/* argument vector for exec'ing cpp(1) */
2477c478bd9Sstevel@tonic-gate 	int dt_cpp_argc;	/* count of initialized cpp(1) arguments */
2487c478bd9Sstevel@tonic-gate 	int dt_cpp_args;	/* size of dt_cpp_argv[] array */
2497c478bd9Sstevel@tonic-gate 	char *dt_ld_path;	/* pathname of ld(1) to invoke if needed */
2507c478bd9Sstevel@tonic-gate 	dt_list_t dt_lib_path;	/* linked-list forming library search path */
2517c478bd9Sstevel@tonic-gate 	uint_t dt_lazyload;	/* boolean:  set via -xlazyload */
252a1b5e537Sbmc 	uint_t dt_droptags;	/* boolean:  set via -xdroptags */
2537c478bd9Sstevel@tonic-gate 	uint_t dt_active;	/* boolean:  set once tracing is active */
2547c478bd9Sstevel@tonic-gate 	uint_t dt_stopped;	/* boolean:  set once tracing is stopped */
2557c478bd9Sstevel@tonic-gate 	processorid_t dt_beganon; /* CPU that executed BEGIN probe (if any) */
2567c478bd9Sstevel@tonic-gate 	processorid_t dt_endedon; /* CPU that executed END probe (if any) */
2577c478bd9Sstevel@tonic-gate 	uint_t dt_oflags;	/* dtrace open-time options (see dtrace.h) */
2587c478bd9Sstevel@tonic-gate 	uint_t dt_cflags;	/* dtrace compile-time options (see dtrace.h) */
2597c478bd9Sstevel@tonic-gate 	uint_t dt_dflags;	/* dtrace link-time options (see dtrace.h) */
2607c478bd9Sstevel@tonic-gate 	uint_t dt_prcmode;	/* dtrace process create mode (see dt_proc.h) */
2617c478bd9Sstevel@tonic-gate 	uint_t dt_linkmode;	/* dtrace symbol linking mode (see below) */
2627c478bd9Sstevel@tonic-gate 	uint_t dt_linktype;	/* dtrace link output file type (see below) */
2631a7c1b72Smws 	uint_t dt_xlatemode;	/* dtrace translator linking mode (see below) */
2647c478bd9Sstevel@tonic-gate 	uint_t dt_stdcmode;	/* dtrace stdc compatibility mode (see below) */
2657c478bd9Sstevel@tonic-gate 	uint_t dt_treedump;	/* dtrace tree debug bitmap (see below) */
2667c478bd9Sstevel@tonic-gate 	uint64_t dt_options[DTRACEOPT_MAX]; /* dtrace run-time options */
2677c478bd9Sstevel@tonic-gate 	int dt_version;		/* library version requested by client */
2687c478bd9Sstevel@tonic-gate 	int dt_ctferr;		/* error resulting from last CTF failure */
2697c478bd9Sstevel@tonic-gate 	int dt_errno;		/* error resulting from last failed operation */
2707c478bd9Sstevel@tonic-gate 	int dt_fd;		/* file descriptor for dtrace pseudo-device */
2717c478bd9Sstevel@tonic-gate 	int dt_ftfd;		/* file descriptor for fasttrap pseudo-device */
2727c478bd9Sstevel@tonic-gate 	int dt_fterr;		/* saved errno from failed open of dt_ftfd */
2737c478bd9Sstevel@tonic-gate 	int dt_cdefs_fd;	/* file descriptor for C CTF debugging cache */
2747c478bd9Sstevel@tonic-gate 	int dt_ddefs_fd;	/* file descriptor for D CTF debugging cache */
2757c478bd9Sstevel@tonic-gate 	int dt_stdout_fd;	/* file descriptor for saved stdout */
2767c478bd9Sstevel@tonic-gate 	dtrace_handle_err_f *dt_errhdlr; /* error handler, if any */
2777c478bd9Sstevel@tonic-gate 	void *dt_errarg;	/* error handler argument */
2787c478bd9Sstevel@tonic-gate 	dtrace_prog_t *dt_errprog; /* error handler program, if any */
2797c478bd9Sstevel@tonic-gate 	dtrace_handle_drop_f *dt_drophdlr; /* drop handler, if any */
2807c478bd9Sstevel@tonic-gate 	void *dt_droparg;	/* drop handler argument */
2817c478bd9Sstevel@tonic-gate 	dtrace_handle_proc_f *dt_prochdlr; /* proc handler, if any */
2827c478bd9Sstevel@tonic-gate 	void *dt_procarg;	/* proc handler argument */
283a1b5e537Sbmc 	dtrace_handle_setopt_f *dt_setopthdlr; /* setopt handler, if any */
284a1b5e537Sbmc 	void *dt_setoptarg;	/* setopt handler argument */
2857c478bd9Sstevel@tonic-gate 	dtrace_status_t dt_status[2]; /* status cache */
2867c478bd9Sstevel@tonic-gate 	int dt_statusgen;	/* current status generation */
2877c478bd9Sstevel@tonic-gate 	hrtime_t dt_laststatus;	/* last status */
2887c478bd9Sstevel@tonic-gate 	hrtime_t dt_lastswitch;	/* last switch of buffer data */
2897c478bd9Sstevel@tonic-gate 	hrtime_t dt_lastagg;	/* last snapshot of aggregation data */
2907c478bd9Sstevel@tonic-gate 	char *dt_sprintf_buf;	/* buffer for dtrace_sprintf() */
2917c478bd9Sstevel@tonic-gate 	int dt_sprintf_buflen;	/* length of dtrace_sprintf() buffer */
2927c478bd9Sstevel@tonic-gate 	const char *dt_filetag;	/* default filetag for dt_set_errmsg() */
2937c478bd9Sstevel@tonic-gate 	char *dt_buffered_buf;	/* buffer for buffered output */
2947c478bd9Sstevel@tonic-gate 	size_t dt_buffered_offs; /* current offset into buffered buffer */
2957c478bd9Sstevel@tonic-gate 	size_t dt_buffered_size; /* size of buffered buffer */
2967c478bd9Sstevel@tonic-gate 	dtrace_handle_buffered_f *dt_bufhdlr; /* buffered handler, if any */
2977c478bd9Sstevel@tonic-gate 	void *dt_bufarg;	/* buffered handler argument */
2987c478bd9Sstevel@tonic-gate 	dt_dof_t dt_dof;	/* DOF generation buffers (see dt_dof.c) */
2997c478bd9Sstevel@tonic-gate 	struct utsname dt_uts;	/* uname(2) information for system */
300c9d6cd77Sjhaslam 	dt_list_t dt_lib_dep;	/* scratch linked-list of lib dependencies */
301c9d6cd77Sjhaslam 	dt_list_t dt_lib_dep_sorted;	/* dependency sorted library list */
3027c478bd9Sstevel@tonic-gate };
3037c478bd9Sstevel@tonic-gate 
3047c478bd9Sstevel@tonic-gate /*
3057c478bd9Sstevel@tonic-gate  * Values for the user arg of the ECB.
3067c478bd9Sstevel@tonic-gate  */
3077c478bd9Sstevel@tonic-gate #define	DT_ECB_DEFAULT		0
3087c478bd9Sstevel@tonic-gate #define	DT_ECB_ERROR		1
3097c478bd9Sstevel@tonic-gate 
3107c478bd9Sstevel@tonic-gate /*
3117c478bd9Sstevel@tonic-gate  * Values for the dt_linkmode property, which is used by the assembler when
3127c478bd9Sstevel@tonic-gate  * processing external symbol references.  User can set using -xlink=<mode>.
3137c478bd9Sstevel@tonic-gate  */
3147c478bd9Sstevel@tonic-gate #define	DT_LINK_KERNEL	0	/* kernel syms static, user syms dynamic */
3157c478bd9Sstevel@tonic-gate #define	DT_LINK_PRIMARY	1	/* primary kernel syms static, others dynamic */
3167c478bd9Sstevel@tonic-gate #define	DT_LINK_DYNAMIC	2	/* all symbols dynamic */
3177c478bd9Sstevel@tonic-gate #define	DT_LINK_STATIC	3	/* all symbols static */
3187c478bd9Sstevel@tonic-gate 
3197c478bd9Sstevel@tonic-gate /*
3207c478bd9Sstevel@tonic-gate  * Values for the dt_linktype property, which is used by dtrace_program_link()
3217c478bd9Sstevel@tonic-gate  * to determine the type of output file that is desired by the client.
3227c478bd9Sstevel@tonic-gate  */
3237c478bd9Sstevel@tonic-gate #define	DT_LTYP_ELF	0	/* produce ELF containing DOF */
3247c478bd9Sstevel@tonic-gate #define	DT_LTYP_DOF	1	/* produce stand-alone DOF */
3257c478bd9Sstevel@tonic-gate 
3261a7c1b72Smws /*
3271a7c1b72Smws  * Values for the dt_xlatemode property, which is used to determine whether
3281a7c1b72Smws  * references to dynamic translators are permitted.  Set using -xlate=<mode>.
3291a7c1b72Smws  */
3301a7c1b72Smws #define	DT_XL_STATIC	0	/* require xlators to be statically defined */
3311a7c1b72Smws #define	DT_XL_DYNAMIC	1	/* produce references to dynamic translators */
3321a7c1b72Smws 
3337c478bd9Sstevel@tonic-gate /*
3347c478bd9Sstevel@tonic-gate  * Values for the dt_stdcmode property, which is used by the compiler when
3357c478bd9Sstevel@tonic-gate  * running cpp to determine the presence and setting of the __STDC__ macro.
3367c478bd9Sstevel@tonic-gate  */
3377c478bd9Sstevel@tonic-gate #define	DT_STDC_XA	0	/* ISO C + K&R C compat w/o ISO: __STDC__=0 */
3387c478bd9Sstevel@tonic-gate #define	DT_STDC_XC	1	/* Strict ISO C: __STDC__=1 */
3397c478bd9Sstevel@tonic-gate #define	DT_STDC_XS	2	/* K&R C: __STDC__ not defined */
3407c478bd9Sstevel@tonic-gate #define	DT_STDC_XT	3	/* ISO C + K&R C compat with ISO: __STDC__=0 */
3417c478bd9Sstevel@tonic-gate 
3427c478bd9Sstevel@tonic-gate /*
3437c478bd9Sstevel@tonic-gate  * Macro to test whether a given pass bit is set in the dt_treedump bit-vector.
3447c478bd9Sstevel@tonic-gate  * If the bit for pass 'p' is set, the D compiler displays the parse tree for
3457c478bd9Sstevel@tonic-gate  * the program by printing it to stderr at the end of compiler pass 'p'.
3467c478bd9Sstevel@tonic-gate  */
3477c478bd9Sstevel@tonic-gate #define	DT_TREEDUMP_PASS(dtp, p)	((dtp)->dt_treedump & (1 << ((p) - 1)))
3487c478bd9Sstevel@tonic-gate 
3497c478bd9Sstevel@tonic-gate /*
3507c478bd9Sstevel@tonic-gate  * Macros for accessing the cached CTF container and type ID for the common
3517c478bd9Sstevel@tonic-gate  * types "int", "string", and <DYN>, which we need to use frequently in the D
3527c478bd9Sstevel@tonic-gate  * compiler.  The DT_INT_* macro relies upon "int" being at index 0 in the
3537c478bd9Sstevel@tonic-gate  * _dtrace_ints_* tables in dt_open.c; the others are also set up there.
3547c478bd9Sstevel@tonic-gate  */
3557c478bd9Sstevel@tonic-gate #define	DT_INT_CTFP(dtp)	((dtp)->dt_ints[0].did_ctfp)
3567c478bd9Sstevel@tonic-gate #define	DT_INT_TYPE(dtp)	((dtp)->dt_ints[0].did_type)
3577c478bd9Sstevel@tonic-gate 
3587c478bd9Sstevel@tonic-gate #define	DT_FUNC_CTFP(dtp)	((dtp)->dt_ddefs->dm_ctfp)
3597c478bd9Sstevel@tonic-gate #define	DT_FUNC_TYPE(dtp)	((dtp)->dt_type_func)
3607c478bd9Sstevel@tonic-gate 
3617c478bd9Sstevel@tonic-gate #define	DT_FPTR_CTFP(dtp)	((dtp)->dt_ddefs->dm_ctfp)
3627c478bd9Sstevel@tonic-gate #define	DT_FPTR_TYPE(dtp)	((dtp)->dt_type_fptr)
3637c478bd9Sstevel@tonic-gate 
3647c478bd9Sstevel@tonic-gate #define	DT_STR_CTFP(dtp)	((dtp)->dt_ddefs->dm_ctfp)
3657c478bd9Sstevel@tonic-gate #define	DT_STR_TYPE(dtp)	((dtp)->dt_type_str)
3667c478bd9Sstevel@tonic-gate 
3677c478bd9Sstevel@tonic-gate #define	DT_DYN_CTFP(dtp)	((dtp)->dt_ddefs->dm_ctfp)
3687c478bd9Sstevel@tonic-gate #define	DT_DYN_TYPE(dtp)	((dtp)->dt_type_dyn)
3697c478bd9Sstevel@tonic-gate 
3707c478bd9Sstevel@tonic-gate #define	DT_STACK_CTFP(dtp)	((dtp)->dt_ddefs->dm_ctfp)
3717c478bd9Sstevel@tonic-gate #define	DT_STACK_TYPE(dtp)	((dtp)->dt_type_stack)
3727c478bd9Sstevel@tonic-gate 
373a1b5e537Sbmc #define	DT_SYMADDR_CTFP(dtp)	((dtp)->dt_ddefs->dm_ctfp)
374a1b5e537Sbmc #define	DT_SYMADDR_TYPE(dtp)	((dtp)->dt_type_symaddr)
375a1b5e537Sbmc 
376a1b5e537Sbmc #define	DT_USYMADDR_CTFP(dtp)	((dtp)->dt_ddefs->dm_ctfp)
377a1b5e537Sbmc #define	DT_USYMADDR_TYPE(dtp)	((dtp)->dt_type_usymaddr)
378a1b5e537Sbmc 
379a1b5e537Sbmc /*
380a1b5e537Sbmc  * Actions and subroutines are both DT_NODE_FUNC nodes; to avoid confusing
381a1b5e537Sbmc  * an action for a subroutine (or vice versa), we assure that the DT_ACT_*
382a1b5e537Sbmc  * constants and the DIF_SUBR_* constants occupy non-overlapping ranges by
383a1b5e537Sbmc  * starting the DT_ACT_* constants at DIF_SUBR_MAX + 1.
384a1b5e537Sbmc  */
385a1b5e537Sbmc #define	DT_ACT_BASE		DIF_SUBR_MAX + 1
386a1b5e537Sbmc #define	DT_ACT(n)		(DT_ACT_BASE + (n))
387a1b5e537Sbmc 
388a1b5e537Sbmc #define	DT_ACT_PRINTF		DT_ACT(0)	/* printf() action */
389a1b5e537Sbmc #define	DT_ACT_TRACE		DT_ACT(1)	/* trace() action */
390a1b5e537Sbmc #define	DT_ACT_TRACEMEM		DT_ACT(2)	/* tracemem() action */
391a1b5e537Sbmc #define	DT_ACT_STACK		DT_ACT(3)	/* stack() action */
392a1b5e537Sbmc #define	DT_ACT_STOP		DT_ACT(4)	/* stop() action */
393a1b5e537Sbmc #define	DT_ACT_BREAKPOINT	DT_ACT(5)	/* breakpoint() action */
394a1b5e537Sbmc #define	DT_ACT_PANIC		DT_ACT(6)	/* panic() action */
395a1b5e537Sbmc #define	DT_ACT_SPECULATE	DT_ACT(7)	/* speculate() action */
396a1b5e537Sbmc #define	DT_ACT_COMMIT		DT_ACT(8)	/* commit() action */
397a1b5e537Sbmc #define	DT_ACT_DISCARD		DT_ACT(9)	/* discard() action */
398a1b5e537Sbmc #define	DT_ACT_CHILL		DT_ACT(10)	/* chill() action */
399a1b5e537Sbmc #define	DT_ACT_EXIT		DT_ACT(11)	/* exit() action */
400a1b5e537Sbmc #define	DT_ACT_USTACK		DT_ACT(12)	/* ustack() action */
401a1b5e537Sbmc #define	DT_ACT_PRINTA		DT_ACT(13)	/* printa() action */
402a1b5e537Sbmc #define	DT_ACT_RAISE		DT_ACT(14)	/* raise() action */
403a1b5e537Sbmc #define	DT_ACT_CLEAR		DT_ACT(15)	/* clear() action */
404a1b5e537Sbmc #define	DT_ACT_NORMALIZE	DT_ACT(16)	/* normalize() action */
405a1b5e537Sbmc #define	DT_ACT_DENORMALIZE	DT_ACT(17)	/* denormalize() action */
406a1b5e537Sbmc #define	DT_ACT_TRUNC		DT_ACT(18)	/* trunc() action */
407a1b5e537Sbmc #define	DT_ACT_SYSTEM		DT_ACT(19)	/* system() action */
408a1b5e537Sbmc #define	DT_ACT_JSTACK		DT_ACT(20)	/* jstack() action */
409a1b5e537Sbmc #define	DT_ACT_FTRUNCATE	DT_ACT(21)	/* ftruncate() action */
410a1b5e537Sbmc #define	DT_ACT_FREOPEN		DT_ACT(22)	/* freopen() action */
411a1b5e537Sbmc #define	DT_ACT_SYM		DT_ACT(23)	/* sym()/func() actions */
412a1b5e537Sbmc #define	DT_ACT_MOD		DT_ACT(24)	/* mod() action */
413a1b5e537Sbmc #define	DT_ACT_USYM		DT_ACT(25)	/* usym()/ufunc() actions */
414a1b5e537Sbmc #define	DT_ACT_UMOD		DT_ACT(26)	/* umod() action */
415a1b5e537Sbmc #define	DT_ACT_UADDR		DT_ACT(27)	/* uaddr() action */
416a1b5e537Sbmc #define	DT_ACT_SETOPT		DT_ACT(28)	/* setopt() action */
4177c478bd9Sstevel@tonic-gate 
4187c478bd9Sstevel@tonic-gate /*
4197c478bd9Sstevel@tonic-gate  * Sentinel to tell freopen() to restore the saved stdout.  This must not
4207c478bd9Sstevel@tonic-gate  * be ever valid for opening for write access via freopen(3C), which of
4217c478bd9Sstevel@tonic-gate  * course, "." never is.
4227c478bd9Sstevel@tonic-gate  */
4237c478bd9Sstevel@tonic-gate #define	DT_FREOPEN_RESTORE	"."
4247c478bd9Sstevel@tonic-gate 
4257c478bd9Sstevel@tonic-gate #define	EDT_BASE	1000	/* base value for libdtrace errnos */
4267c478bd9Sstevel@tonic-gate 
4277c478bd9Sstevel@tonic-gate enum {
4287c478bd9Sstevel@tonic-gate 	EDT_VERSION = EDT_BASE,	/* client is requesting unsupported version */
4297c478bd9Sstevel@tonic-gate 	EDT_VERSINVAL,		/* version string is invalid or overflows */
4307c478bd9Sstevel@tonic-gate 	EDT_VERSUNDEF,		/* requested API version is not defined */
4317c478bd9Sstevel@tonic-gate 	EDT_VERSREDUCED,	/* requested API version has been reduced */
4327c478bd9Sstevel@tonic-gate 	EDT_CTF,		/* libctf called failed (dt_ctferr has more) */
4337c478bd9Sstevel@tonic-gate 	EDT_COMPILER,		/* error in D program compilation */
4347c478bd9Sstevel@tonic-gate 	EDT_NOREG,		/* register allocation failure */
4357c478bd9Sstevel@tonic-gate 	EDT_NOTUPREG,		/* tuple register allocation failure */
4367c478bd9Sstevel@tonic-gate 	EDT_NOMEM,		/* memory allocation failure */
4377c478bd9Sstevel@tonic-gate 	EDT_INT2BIG,		/* integer limit exceeded */
4387c478bd9Sstevel@tonic-gate 	EDT_STR2BIG,		/* string limit exceeded */
4397c478bd9Sstevel@tonic-gate 	EDT_NOMOD,		/* unknown module name */
4407c478bd9Sstevel@tonic-gate 	EDT_NOPROV,		/* unknown provider name */
4417c478bd9Sstevel@tonic-gate 	EDT_NOPROBE,		/* unknown probe name */
4427c478bd9Sstevel@tonic-gate 	EDT_NOSYM,		/* unknown symbol name */
4437c478bd9Sstevel@tonic-gate 	EDT_NOSYMADDR,		/* no symbol corresponds to address */
4447c478bd9Sstevel@tonic-gate 	EDT_NOTYPE,		/* unknown type name */
4457c478bd9Sstevel@tonic-gate 	EDT_NOVAR,		/* unknown variable name */
4467c478bd9Sstevel@tonic-gate 	EDT_NOAGG,		/* unknown aggregation name */
4477c478bd9Sstevel@tonic-gate 	EDT_BADSCOPE,		/* improper use of type name scoping operator */
4487c478bd9Sstevel@tonic-gate 	EDT_BADSPEC,		/* overspecified probe description */
4497c478bd9Sstevel@tonic-gate 	EDT_BADSPCV,		/* bad macro variable in probe description */
4507c478bd9Sstevel@tonic-gate 	EDT_BADID,		/* invalid probe identifier */
4517c478bd9Sstevel@tonic-gate 	EDT_NOTLOADED,		/* module is not currently loaded */
4527c478bd9Sstevel@tonic-gate 	EDT_NOCTF,		/* module does not contain any CTF data */
4537c478bd9Sstevel@tonic-gate 	EDT_DATAMODEL,		/* module and program data models don't match */
4547c478bd9Sstevel@tonic-gate 	EDT_DIFVERS,		/* library has newer DIF version than driver */
4557c478bd9Sstevel@tonic-gate 	EDT_BADAGG,		/* unrecognized aggregating action */
4567c478bd9Sstevel@tonic-gate 	EDT_FIO,		/* file i/o error */
4577c478bd9Sstevel@tonic-gate 	EDT_DIFINVAL,		/* invalid DIF program */
4587c478bd9Sstevel@tonic-gate 	EDT_DIFSIZE,		/* invalid DIF size */
4597c478bd9Sstevel@tonic-gate 	EDT_DIFFAULT,		/* failed to copyin DIF program */
4607c478bd9Sstevel@tonic-gate 	EDT_BADPROBE,		/* bad probe description */
4617c478bd9Sstevel@tonic-gate 	EDT_BADPGLOB,		/* bad probe description globbing pattern */
4627c478bd9Sstevel@tonic-gate 	EDT_NOSCOPE,		/* declaration scope stack underflow */
4637c478bd9Sstevel@tonic-gate 	EDT_NODECL,		/* declaration stack underflow */
4647c478bd9Sstevel@tonic-gate 	EDT_DMISMATCH,		/* record list does not match statement */
4657c478bd9Sstevel@tonic-gate 	EDT_DOFFSET,		/* record data offset error */
4667c478bd9Sstevel@tonic-gate 	EDT_DALIGN,		/* record data alignment error */
4677c478bd9Sstevel@tonic-gate 	EDT_BADOPTNAME,		/* invalid dtrace_setopt option name */
4687c478bd9Sstevel@tonic-gate 	EDT_BADOPTVAL,		/* invalid dtrace_setopt option value */
4697c478bd9Sstevel@tonic-gate 	EDT_BADOPTCTX,		/* invalid dtrace_setopt option context */
4707c478bd9Sstevel@tonic-gate 	EDT_CPPFORK,		/* failed to fork preprocessor */
4717c478bd9Sstevel@tonic-gate 	EDT_CPPEXEC,		/* failed to exec preprocessor */
4727c478bd9Sstevel@tonic-gate 	EDT_CPPENT,		/* preprocessor not found */
4737c478bd9Sstevel@tonic-gate 	EDT_CPPERR,		/* unknown preprocessor error */
4747c478bd9Sstevel@tonic-gate 	EDT_SYMOFLOW,		/* external symbol table overflow */
4757c478bd9Sstevel@tonic-gate 	EDT_ACTIVE,		/* operation illegal when tracing is active */
4767c478bd9Sstevel@tonic-gate 	EDT_DESTRUCTIVE,	/* destructive actions not allowed */
4777c478bd9Sstevel@tonic-gate 	EDT_NOANON,		/* no anonymous tracing state */
4787c478bd9Sstevel@tonic-gate 	EDT_ISANON,		/* can't claim anon state and enable probes */
4797c478bd9Sstevel@tonic-gate 	EDT_ENDTOOBIG,		/* END enablings exceed size of prncpl buffer */
4807c478bd9Sstevel@tonic-gate 	EDT_NOCONV,		/* failed to load type for printf conversion */
4817c478bd9Sstevel@tonic-gate 	EDT_BADCONV,		/* incomplete printf conversion */
4827c478bd9Sstevel@tonic-gate 	EDT_BADERROR,		/* invalid library ERROR action */
4837c478bd9Sstevel@tonic-gate 	EDT_ERRABORT,		/* abort due to error */
4847c478bd9Sstevel@tonic-gate 	EDT_DROPABORT,		/* abort due to drop */
4857c478bd9Sstevel@tonic-gate 	EDT_DIRABORT,		/* abort explicitly directed */
4867c478bd9Sstevel@tonic-gate 	EDT_BADRVAL,		/* invalid return value from callback */
4877c478bd9Sstevel@tonic-gate 	EDT_BADNORMAL,		/* invalid normalization */
4887c478bd9Sstevel@tonic-gate 	EDT_BUFTOOSMALL,	/* enabling exceeds size of buffer */
4897c478bd9Sstevel@tonic-gate 	EDT_BADTRUNC,		/* invalid truncation */
4907c478bd9Sstevel@tonic-gate 	EDT_BUSY,		/* device busy (active kernel debugger) */
4917c478bd9Sstevel@tonic-gate 	EDT_ACCESS,		/* insufficient privileges to use DTrace */
492ad4023c4Sdp 	EDT_NOENT,		/* dtrace device not available */
4937c478bd9Sstevel@tonic-gate 	EDT_BRICKED,		/* abort due to systemic unresponsiveness */
4947c478bd9Sstevel@tonic-gate 	EDT_HARDWIRE,		/* failed to load hard-wired definitions */
4957c478bd9Sstevel@tonic-gate 	EDT_ELFVERSION,		/* libelf is out-of-date w.r.t libdtrace */
4967c478bd9Sstevel@tonic-gate 	EDT_NOBUFFERED,		/* attempt to buffer output without handler */
497a1b5e537Sbmc 	EDT_UNSTABLE,		/* description matched unstable set of probes */
498a1b5e537Sbmc 	EDT_BADSETOPT,		/* invalid setopt library action */
49930ef842dSbmc 	EDT_BADSTACKPC,		/* invalid stack program counter size */
50030ef842dSbmc 	EDT_BADAGGVAR,		/* invalid aggregation variable identifier */
50130ef842dSbmc 	EDT_OVERSION		/* client is requesting deprecated version */
5027c478bd9Sstevel@tonic-gate };
5037c478bd9Sstevel@tonic-gate 
5047c478bd9Sstevel@tonic-gate /*
5057c478bd9Sstevel@tonic-gate  * Interfaces for parsing and comparing DTrace attribute tuples, which describe
5067c478bd9Sstevel@tonic-gate  * stability and architectural binding information.  The dtrace_attribute_t
5077c478bd9Sstevel@tonic-gate  * structure and associated constant definitions are found in <sys/dtrace.h>.
5087c478bd9Sstevel@tonic-gate  */
5097c478bd9Sstevel@tonic-gate extern dtrace_attribute_t dt_attr_min(dtrace_attribute_t, dtrace_attribute_t);
5107c478bd9Sstevel@tonic-gate extern dtrace_attribute_t dt_attr_max(dtrace_attribute_t, dtrace_attribute_t);
5117c478bd9Sstevel@tonic-gate extern char *dt_attr_str(dtrace_attribute_t, char *, size_t);
5127c478bd9Sstevel@tonic-gate extern int dt_attr_cmp(dtrace_attribute_t, dtrace_attribute_t);
5137c478bd9Sstevel@tonic-gate 
5147c478bd9Sstevel@tonic-gate /*
5157c478bd9Sstevel@tonic-gate  * Interfaces for parsing and handling DTrace version strings.  Version binding
5167c478bd9Sstevel@tonic-gate  * is a feature of the D compiler that is handled completely independently of
5177c478bd9Sstevel@tonic-gate  * the DTrace kernel infrastructure, so the definitions are here in libdtrace.
5187c478bd9Sstevel@tonic-gate  * Version strings are compiled into an encoded uint32_t which can be compared
5197c478bd9Sstevel@tonic-gate  * using C comparison operators.  Version definitions are found in dt_open.c.
5207c478bd9Sstevel@tonic-gate  */
5217c478bd9Sstevel@tonic-gate #define	DT_VERSION_STRMAX	16	/* enough for "255.4095.4095\0" */
5227c478bd9Sstevel@tonic-gate #define	DT_VERSION_MAJMAX	0xFF	/* maximum major version number */
5237c478bd9Sstevel@tonic-gate #define	DT_VERSION_MINMAX	0xFFF	/* maximum minor version number */
5247c478bd9Sstevel@tonic-gate #define	DT_VERSION_MICMAX	0xFFF	/* maximum micro version number */
5257c478bd9Sstevel@tonic-gate 
5267c478bd9Sstevel@tonic-gate #define	DT_VERSION_NUMBER(M, m, u) \
5277c478bd9Sstevel@tonic-gate 	((((M) & 0xFF) << 24) | (((m) & 0xFFF) << 12) | ((u) & 0xFFF))
5287c478bd9Sstevel@tonic-gate 
5297c478bd9Sstevel@tonic-gate #define	DT_VERSION_MAJOR(v)	(((v) & 0xFF000000) >> 24)
5307c478bd9Sstevel@tonic-gate #define	DT_VERSION_MINOR(v)	(((v) & 0x00FFF000) >> 12)
5317c478bd9Sstevel@tonic-gate #define	DT_VERSION_MICRO(v)	((v) & 0x00000FFF)
5327c478bd9Sstevel@tonic-gate 
5337c478bd9Sstevel@tonic-gate extern char *dt_version_num2str(dt_version_t, char *, size_t);
5347c478bd9Sstevel@tonic-gate extern int dt_version_str2num(const char *, dt_version_t *);
5357c478bd9Sstevel@tonic-gate extern int dt_version_defined(dt_version_t);
5367c478bd9Sstevel@tonic-gate 
5377c478bd9Sstevel@tonic-gate /*
5387c478bd9Sstevel@tonic-gate  * Miscellaneous internal libdtrace interfaces.  The definitions below are for
5397c478bd9Sstevel@tonic-gate  * libdtrace routines that do not yet merit their own separate header file.
5407c478bd9Sstevel@tonic-gate  */
5417c478bd9Sstevel@tonic-gate extern char *dt_cpp_add_arg(dtrace_hdl_t *, const char *);
5427c478bd9Sstevel@tonic-gate extern char *dt_cpp_pop_arg(dtrace_hdl_t *);
5437c478bd9Sstevel@tonic-gate 
5447c478bd9Sstevel@tonic-gate extern int dt_set_errno(dtrace_hdl_t *, int);
5457c478bd9Sstevel@tonic-gate extern void dt_set_errmsg(dtrace_hdl_t *, const char *, const char *,
5467c478bd9Sstevel@tonic-gate     const char *, int, const char *, va_list);
5477c478bd9Sstevel@tonic-gate 
5487c478bd9Sstevel@tonic-gate extern int dt_ioctl(dtrace_hdl_t *, int, void *);
5497c478bd9Sstevel@tonic-gate extern int dt_status(dtrace_hdl_t *, processorid_t);
5507c478bd9Sstevel@tonic-gate extern long dt_sysconf(dtrace_hdl_t *, int);
5517c478bd9Sstevel@tonic-gate extern ssize_t dt_write(dtrace_hdl_t *, int, const void *, size_t);
5527c478bd9Sstevel@tonic-gate extern int dt_printf(dtrace_hdl_t *, FILE *, const char *, ...);
5537c478bd9Sstevel@tonic-gate 
5547c478bd9Sstevel@tonic-gate extern void *dt_zalloc(dtrace_hdl_t *, size_t);
5557c478bd9Sstevel@tonic-gate extern void *dt_alloc(dtrace_hdl_t *, size_t);
5567c478bd9Sstevel@tonic-gate extern void dt_free(dtrace_hdl_t *, void *);
5571a7c1b72Smws extern void dt_difo_free(dtrace_hdl_t *, dtrace_difo_t *);
5587c478bd9Sstevel@tonic-gate 
5597c478bd9Sstevel@tonic-gate extern int dt_gmatch(const char *, const char *);
5607c478bd9Sstevel@tonic-gate extern char *dt_basename(char *);
5617c478bd9Sstevel@tonic-gate 
5621a7c1b72Smws extern ulong_t dt_popc(ulong_t);
5631a7c1b72Smws extern ulong_t dt_popcb(const ulong_t *, ulong_t);
5641a7c1b72Smws 
5657c478bd9Sstevel@tonic-gate extern int dt_buffered_enable(dtrace_hdl_t *);
5667c478bd9Sstevel@tonic-gate extern int dt_buffered_flush(dtrace_hdl_t *, dtrace_probedata_t *,
56730ef842dSbmc     const dtrace_recdesc_t *, const dtrace_aggdata_t *, uint32_t flags);
5687c478bd9Sstevel@tonic-gate extern void dt_buffered_disable(dtrace_hdl_t *);
5697c478bd9Sstevel@tonic-gate extern void dt_buffered_destroy(dtrace_hdl_t *);
5707c478bd9Sstevel@tonic-gate 
5717c478bd9Sstevel@tonic-gate extern int dt_rw_read_held(pthread_rwlock_t *);
5727c478bd9Sstevel@tonic-gate extern int dt_rw_write_held(pthread_rwlock_t *);
5737c478bd9Sstevel@tonic-gate extern int dt_mutex_held(pthread_mutex_t *);
5747c478bd9Sstevel@tonic-gate 
5756e0bee74Sjhaslam extern uint64_t dt_stddev(uint64_t *, uint64_t);
5766e0bee74Sjhaslam 
5777c478bd9Sstevel@tonic-gate #define	DT_RW_READ_HELD(x)	dt_rw_read_held(x)
5787c478bd9Sstevel@tonic-gate #define	DT_RW_WRITE_HELD(x)	dt_rw_write_held(x)
5797c478bd9Sstevel@tonic-gate #define	DT_RW_LOCK_HELD(x)	(DT_RW_READ_HELD(x) || DT_RW_WRITE_HELD(x))
5807c478bd9Sstevel@tonic-gate #define	DT_MUTEX_HELD(x)	dt_mutex_held(x)
5817c478bd9Sstevel@tonic-gate 
5827c478bd9Sstevel@tonic-gate extern int dt_options_load(dtrace_hdl_t *);
5837c478bd9Sstevel@tonic-gate 
5847c478bd9Sstevel@tonic-gate extern void dt_dprintf(const char *, ...);
5857c478bd9Sstevel@tonic-gate 
5867c478bd9Sstevel@tonic-gate extern void dt_setcontext(dtrace_hdl_t *, dtrace_probedesc_t *);
5877c478bd9Sstevel@tonic-gate extern void dt_endcontext(dtrace_hdl_t *);
5887c478bd9Sstevel@tonic-gate 
5897c478bd9Sstevel@tonic-gate extern void dt_pragma(dt_node_t *);
5907c478bd9Sstevel@tonic-gate extern int dt_reduce(dtrace_hdl_t *, dt_version_t);
5917c478bd9Sstevel@tonic-gate extern void dt_cg(dt_pcb_t *, dt_node_t *);
5927c478bd9Sstevel@tonic-gate extern dtrace_difo_t *dt_as(dt_pcb_t *);
5931a7c1b72Smws extern void dt_dis(const dtrace_difo_t *, FILE *);
5947c478bd9Sstevel@tonic-gate 
5957c478bd9Sstevel@tonic-gate extern int dt_aggregate_go(dtrace_hdl_t *);
5967c478bd9Sstevel@tonic-gate extern int dt_aggregate_init(dtrace_hdl_t *);
5977c478bd9Sstevel@tonic-gate extern void dt_aggregate_destroy(dtrace_hdl_t *);
5987c478bd9Sstevel@tonic-gate 
5997c478bd9Sstevel@tonic-gate extern int dt_epid_lookup(dtrace_hdl_t *, dtrace_epid_t,
6007c478bd9Sstevel@tonic-gate     dtrace_eprobedesc_t **, dtrace_probedesc_t **);
6017c478bd9Sstevel@tonic-gate extern void dt_epid_destroy(dtrace_hdl_t *);
6027c478bd9Sstevel@tonic-gate extern int dt_aggid_lookup(dtrace_hdl_t *, dtrace_aggid_t, dtrace_aggdesc_t **);
6037c478bd9Sstevel@tonic-gate extern void dt_aggid_destroy(dtrace_hdl_t *);
6047c478bd9Sstevel@tonic-gate 
6057c478bd9Sstevel@tonic-gate extern void *dt_format_lookup(dtrace_hdl_t *, int);
6067c478bd9Sstevel@tonic-gate extern void dt_format_destroy(dtrace_hdl_t *);
6077c478bd9Sstevel@tonic-gate 
6087c478bd9Sstevel@tonic-gate extern int dt_print_quantize(dtrace_hdl_t *, FILE *,
6097c478bd9Sstevel@tonic-gate     const void *, size_t, uint64_t);
6107c478bd9Sstevel@tonic-gate extern int dt_print_lquantize(dtrace_hdl_t *, FILE *,
6117c478bd9Sstevel@tonic-gate     const void *, size_t, uint64_t);
612a1b5e537Sbmc extern int dt_print_agg(const dtrace_aggdata_t *, void *);
6137c478bd9Sstevel@tonic-gate 
6147c478bd9Sstevel@tonic-gate extern int dt_handle(dtrace_hdl_t *, dtrace_probedata_t *);
6157c478bd9Sstevel@tonic-gate extern int dt_handle_liberr(dtrace_hdl_t *,
6167c478bd9Sstevel@tonic-gate     const dtrace_probedata_t *, const char *);
6177c478bd9Sstevel@tonic-gate extern int dt_handle_cpudrop(dtrace_hdl_t *, processorid_t,
6187c478bd9Sstevel@tonic-gate     dtrace_dropkind_t, uint64_t);
6197c478bd9Sstevel@tonic-gate extern int dt_handle_status(dtrace_hdl_t *,
6207c478bd9Sstevel@tonic-gate     dtrace_status_t *, dtrace_status_t *);
621a1b5e537Sbmc extern int dt_handle_setopt(dtrace_hdl_t *, dtrace_setoptdata_t *);
6227c478bd9Sstevel@tonic-gate 
623c9d6cd77Sjhaslam extern int dt_lib_depend_add(dtrace_hdl_t *, dt_list_t *, const char *);
624c9d6cd77Sjhaslam extern dt_lib_depend_t *dt_lib_depend_lookup(dt_list_t *, const char *);
625c9d6cd77Sjhaslam 
6267c478bd9Sstevel@tonic-gate extern dt_pcb_t *yypcb;		/* pointer to current parser control block */
6277c478bd9Sstevel@tonic-gate extern char yyintprefix;	/* int token prefix for macros (+/-) */
6287c478bd9Sstevel@tonic-gate extern char yyintsuffix[4];	/* int token suffix ([uUlL]*) */
6297c478bd9Sstevel@tonic-gate extern int yyintdecimal;	/* int token is decimal (1) or octal/hex (0) */
6307c478bd9Sstevel@tonic-gate extern char yytext[];		/* lex input buffer */
6317c478bd9Sstevel@tonic-gate extern int yylineno;		/* lex line number */
6327c478bd9Sstevel@tonic-gate extern int yydebug;		/* lex debugging */
6337c478bd9Sstevel@tonic-gate extern dt_node_t *yypragma;	/* lex token list for control lines */
6347c478bd9Sstevel@tonic-gate 
6357c478bd9Sstevel@tonic-gate extern const dtrace_attribute_t _dtrace_maxattr; /* maximum attributes */
6367c478bd9Sstevel@tonic-gate extern const dtrace_attribute_t _dtrace_defattr; /* default attributes */
6377c478bd9Sstevel@tonic-gate extern const dtrace_attribute_t _dtrace_symattr; /* symbol ref attributes */
6387c478bd9Sstevel@tonic-gate extern const dtrace_attribute_t _dtrace_typattr; /* type ref attributes */
6397c478bd9Sstevel@tonic-gate extern const dtrace_attribute_t _dtrace_prvattr; /* provider attributes */
6407c478bd9Sstevel@tonic-gate extern const dtrace_pattr_t _dtrace_prvdesc;	 /* provider attribute bundle */
6417c478bd9Sstevel@tonic-gate 
6427c478bd9Sstevel@tonic-gate extern const dt_version_t _dtrace_versions[];	 /* array of valid versions */
6437c478bd9Sstevel@tonic-gate extern const char *const _dtrace_version;	 /* current version string */
6447c478bd9Sstevel@tonic-gate 
6457c478bd9Sstevel@tonic-gate extern int _dtrace_strbuckets;		/* number of hash buckets for strings */
6467c478bd9Sstevel@tonic-gate extern int _dtrace_intbuckets;		/* number of hash buckets for ints */
6477c478bd9Sstevel@tonic-gate extern uint_t _dtrace_stkindent;	/* default indent for stack/ustack */
6487c478bd9Sstevel@tonic-gate extern uint_t _dtrace_pidbuckets;	/* number of hash buckets for pids */
6497c478bd9Sstevel@tonic-gate extern uint_t _dtrace_pidlrulim;	/* number of proc handles to cache */
6507c478bd9Sstevel@tonic-gate extern int _dtrace_debug;		/* debugging messages enabled */
6517c478bd9Sstevel@tonic-gate extern size_t _dtrace_bufsize;		/* default dt_buf_create() size */
6527c478bd9Sstevel@tonic-gate extern int _dtrace_argmax;		/* default maximum probe arguments */
6537c478bd9Sstevel@tonic-gate 
6547c478bd9Sstevel@tonic-gate extern const char *_dtrace_libdir;	/* default library directory */
6557c478bd9Sstevel@tonic-gate extern const char *_dtrace_moddir;	/* default kernel module directory */
6567c478bd9Sstevel@tonic-gate 
6577c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
6587c478bd9Sstevel@tonic-gate }
6597c478bd9Sstevel@tonic-gate #endif
6607c478bd9Sstevel@tonic-gate 
6617c478bd9Sstevel@tonic-gate #endif	/* _DT_IMPL_H */
662