1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*
28 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
29 * Copyright (c) 2012 by Delphix. All rights reserved.
30 */
31
32#ifndef _DT_IMPL_H
33#define _DT_IMPL_H
34
35#include <sys/param.h>
36#include <sys/objfs.h>
37#if !defined(sun)
38#include <sys/bitmap.h>
39#include <sys/utsname.h>
40#include <sys/ioccom.h>
41#include <sys/time.h>
42#include <string.h>
43#endif
44#include <setjmp.h>
45#include <libctf.h>
46#include <dtrace.h>
47#include <gelf.h>
48#if defined(sun)
49#include <synch.h>
50#endif
51
52#ifdef __cplusplus
53extern "C" {
54#endif
55
56#include <dt_parser.h>
57#include <dt_regset.h>
58#include <dt_inttab.h>
59#include <dt_strtab.h>
60#include <dt_ident.h>
61#include <dt_list.h>
62#include <dt_decl.h>
63#include <dt_as.h>
64#include <dt_proc.h>
65#include <dt_dof.h>
66#include <dt_pcb.h>
67#include <dt_pq.h>
68
69struct dt_module; /* see below */
70struct dt_pfdict; /* see <dt_printf.h> */
71struct dt_arg; /* see below */
72struct dt_provider; /* see <dt_provider.h> */
73struct dt_xlator; /* see <dt_xlator.h> */
74
75typedef struct dt_intrinsic {
76 const char *din_name; /* string name of the intrinsic type */
77 ctf_encoding_t din_data; /* integer or floating-point CTF encoding */
78 uint_t din_kind; /* CTF type kind to instantiate */
79} dt_intrinsic_t;
80
81typedef struct dt_typedef {
82 const char *dty_src; /* string name of typedef source type */
83 const char *dty_dst; /* string name of typedef destination type */
84} dt_typedef_t;
85
86typedef struct dt_intdesc {
87 const char *did_name; /* string name of the integer type */
88 ctf_file_t *did_ctfp; /* CTF container for this type reference */
89 ctf_id_t did_type; /* CTF type reference for this type */
90 uintmax_t did_limit; /* maximum positive value held by type */
91} dt_intdesc_t;
92
93typedef struct dt_modops {
94 uint_t (*do_syminit)(struct dt_module *);
95 void (*do_symsort)(struct dt_module *);
96 GElf_Sym *(*do_symname)(struct dt_module *,
97 const char *, GElf_Sym *, uint_t *);
98 GElf_Sym *(*do_symaddr)(struct dt_module *,
99 GElf_Addr, GElf_Sym *, uint_t *);
100} dt_modops_t;
101
102typedef struct dt_arg {
103 int da_ndx; /* index of this argument */
104 int da_mapping; /* mapping of argument indices to arguments */
105 ctf_id_t da_type; /* type of argument */
106 ctf_file_t *da_ctfp; /* CTF container for type */
107 dt_ident_t *da_xlator; /* translator, if any */
108 struct dt_arg *da_next; /* next argument */
109} dt_arg_t;
110
111typedef struct dt_sym {
112 uint_t ds_symid; /* id of corresponding symbol */
113 uint_t ds_next; /* index of next element in hash chain */
114} dt_sym_t;
115
116typedef struct dt_module {
117 dt_list_t dm_list; /* list forward/back pointers */
118 char dm_name[DTRACE_MODNAMELEN]; /* string name of module */
119 char dm_file[MAXPATHLEN]; /* file path of module (if any) */
120 struct dt_module *dm_next; /* pointer to next module in hash chain */
121 const dt_modops_t *dm_ops; /* pointer to data model's ops vector */
122 Elf *dm_elf; /* libelf handle for module object */
123 objfs_info_t dm_info; /* object filesystem private info */
124 ctf_sect_t dm_symtab; /* symbol table for module */
125 ctf_sect_t dm_strtab; /* string table for module */
126 ctf_sect_t dm_ctdata; /* CTF data for module */
127 ctf_file_t *dm_ctfp; /* CTF container handle */
128 uint_t *dm_symbuckets; /* symbol table hash buckets (chain indices) */
129 dt_sym_t *dm_symchains; /* symbol table hash chains buffer */
130 void *dm_asmap; /* symbol pointers sorted by value */
131 uint_t dm_symfree; /* index of next free hash element */
132 uint_t dm_nsymbuckets; /* number of elements in bucket array */
133 uint_t dm_nsymelems; /* number of elements in hash table */
134 uint_t dm_asrsv; /* actual reserved size of dm_asmap */
135 uint_t dm_aslen; /* number of entries in dm_asmap */
136 uint_t dm_flags; /* module flags (see below) */
137 int dm_modid; /* modinfo(1M) module identifier */
138 GElf_Addr dm_text_va; /* virtual address of text section */
139 GElf_Xword dm_text_size; /* size in bytes of text section */
140 GElf_Addr dm_data_va; /* virtual address of data section */
141 GElf_Xword dm_data_size; /* size in bytes of data section */
142 GElf_Addr dm_bss_va; /* virtual address of BSS */
143 GElf_Xword dm_bss_size; /* size in bytes of BSS */
144 dt_idhash_t *dm_extern; /* external symbol definitions */
145#if !defined(sun)
146 caddr_t dm_reloc_offset; /* Symbol relocation offset. */
147 uintptr_t *dm_sec_offsets;
148#endif
| 1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*
28 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
29 * Copyright (c) 2012 by Delphix. All rights reserved.
30 */
31
32#ifndef _DT_IMPL_H
33#define _DT_IMPL_H
34
35#include <sys/param.h>
36#include <sys/objfs.h>
37#if !defined(sun)
38#include <sys/bitmap.h>
39#include <sys/utsname.h>
40#include <sys/ioccom.h>
41#include <sys/time.h>
42#include <string.h>
43#endif
44#include <setjmp.h>
45#include <libctf.h>
46#include <dtrace.h>
47#include <gelf.h>
48#if defined(sun)
49#include <synch.h>
50#endif
51
52#ifdef __cplusplus
53extern "C" {
54#endif
55
56#include <dt_parser.h>
57#include <dt_regset.h>
58#include <dt_inttab.h>
59#include <dt_strtab.h>
60#include <dt_ident.h>
61#include <dt_list.h>
62#include <dt_decl.h>
63#include <dt_as.h>
64#include <dt_proc.h>
65#include <dt_dof.h>
66#include <dt_pcb.h>
67#include <dt_pq.h>
68
69struct dt_module; /* see below */
70struct dt_pfdict; /* see <dt_printf.h> */
71struct dt_arg; /* see below */
72struct dt_provider; /* see <dt_provider.h> */
73struct dt_xlator; /* see <dt_xlator.h> */
74
75typedef struct dt_intrinsic {
76 const char *din_name; /* string name of the intrinsic type */
77 ctf_encoding_t din_data; /* integer or floating-point CTF encoding */
78 uint_t din_kind; /* CTF type kind to instantiate */
79} dt_intrinsic_t;
80
81typedef struct dt_typedef {
82 const char *dty_src; /* string name of typedef source type */
83 const char *dty_dst; /* string name of typedef destination type */
84} dt_typedef_t;
85
86typedef struct dt_intdesc {
87 const char *did_name; /* string name of the integer type */
88 ctf_file_t *did_ctfp; /* CTF container for this type reference */
89 ctf_id_t did_type; /* CTF type reference for this type */
90 uintmax_t did_limit; /* maximum positive value held by type */
91} dt_intdesc_t;
92
93typedef struct dt_modops {
94 uint_t (*do_syminit)(struct dt_module *);
95 void (*do_symsort)(struct dt_module *);
96 GElf_Sym *(*do_symname)(struct dt_module *,
97 const char *, GElf_Sym *, uint_t *);
98 GElf_Sym *(*do_symaddr)(struct dt_module *,
99 GElf_Addr, GElf_Sym *, uint_t *);
100} dt_modops_t;
101
102typedef struct dt_arg {
103 int da_ndx; /* index of this argument */
104 int da_mapping; /* mapping of argument indices to arguments */
105 ctf_id_t da_type; /* type of argument */
106 ctf_file_t *da_ctfp; /* CTF container for type */
107 dt_ident_t *da_xlator; /* translator, if any */
108 struct dt_arg *da_next; /* next argument */
109} dt_arg_t;
110
111typedef struct dt_sym {
112 uint_t ds_symid; /* id of corresponding symbol */
113 uint_t ds_next; /* index of next element in hash chain */
114} dt_sym_t;
115
116typedef struct dt_module {
117 dt_list_t dm_list; /* list forward/back pointers */
118 char dm_name[DTRACE_MODNAMELEN]; /* string name of module */
119 char dm_file[MAXPATHLEN]; /* file path of module (if any) */
120 struct dt_module *dm_next; /* pointer to next module in hash chain */
121 const dt_modops_t *dm_ops; /* pointer to data model's ops vector */
122 Elf *dm_elf; /* libelf handle for module object */
123 objfs_info_t dm_info; /* object filesystem private info */
124 ctf_sect_t dm_symtab; /* symbol table for module */
125 ctf_sect_t dm_strtab; /* string table for module */
126 ctf_sect_t dm_ctdata; /* CTF data for module */
127 ctf_file_t *dm_ctfp; /* CTF container handle */
128 uint_t *dm_symbuckets; /* symbol table hash buckets (chain indices) */
129 dt_sym_t *dm_symchains; /* symbol table hash chains buffer */
130 void *dm_asmap; /* symbol pointers sorted by value */
131 uint_t dm_symfree; /* index of next free hash element */
132 uint_t dm_nsymbuckets; /* number of elements in bucket array */
133 uint_t dm_nsymelems; /* number of elements in hash table */
134 uint_t dm_asrsv; /* actual reserved size of dm_asmap */
135 uint_t dm_aslen; /* number of entries in dm_asmap */
136 uint_t dm_flags; /* module flags (see below) */
137 int dm_modid; /* modinfo(1M) module identifier */
138 GElf_Addr dm_text_va; /* virtual address of text section */
139 GElf_Xword dm_text_size; /* size in bytes of text section */
140 GElf_Addr dm_data_va; /* virtual address of data section */
141 GElf_Xword dm_data_size; /* size in bytes of data section */
142 GElf_Addr dm_bss_va; /* virtual address of BSS */
143 GElf_Xword dm_bss_size; /* size in bytes of BSS */
144 dt_idhash_t *dm_extern; /* external symbol definitions */
145#if !defined(sun)
146 caddr_t dm_reloc_offset; /* Symbol relocation offset. */
147 uintptr_t *dm_sec_offsets;
148#endif
|
| 149 pid_t dm_pid; /* pid for this module */
150 uint_t dm_nctflibs; /* number of ctf children libraries */
151 ctf_file_t **dm_libctfp; /* process library ctf pointers */
152 char **dm_libctfn; /* names of process ctf containers */
|
149} dt_module_t;
150
151#define DT_DM_LOADED 0x1 /* module symbol and type data is loaded */
152#define DT_DM_KERNEL 0x2 /* module is associated with a kernel object */
153#define DT_DM_PRIMARY 0x4 /* module is a krtld primary kernel object */
154
155typedef struct dt_provmod {
156 char *dp_name; /* name of provider module */
157 struct dt_provmod *dp_next; /* next module */
158} dt_provmod_t;
159
160typedef struct dt_ahashent {
161 struct dt_ahashent *dtahe_prev; /* prev on hash chain */
162 struct dt_ahashent *dtahe_next; /* next on hash chain */
163 struct dt_ahashent *dtahe_prevall; /* prev on list of all */
164 struct dt_ahashent *dtahe_nextall; /* next on list of all */
165 uint64_t dtahe_hashval; /* hash value */
166 size_t dtahe_size; /* size of data */
167 dtrace_aggdata_t dtahe_data; /* data */
168 void (*dtahe_aggregate)(int64_t *, int64_t *, size_t); /* function */
169} dt_ahashent_t;
170
171typedef struct dt_ahash {
172 dt_ahashent_t **dtah_hash; /* hash table */
173 dt_ahashent_t *dtah_all; /* list of all elements */
174 size_t dtah_size; /* size of hash table */
175} dt_ahash_t;
176
177typedef struct dt_aggregate {
178 dtrace_bufdesc_t dtat_buf; /* buf aggregation snapshot */
179 int dtat_flags; /* aggregate flags */
180 processorid_t dtat_ncpus; /* number of CPUs in aggregate */
181 processorid_t *dtat_cpus; /* CPUs in aggregate */
182 processorid_t dtat_ncpu; /* size of dtat_cpus array */
183 processorid_t dtat_maxcpu; /* maximum number of CPUs */
184 dt_ahash_t dtat_hash; /* aggregate hash table */
185} dt_aggregate_t;
186
187typedef struct dt_print_aggdata {
188 dtrace_hdl_t *dtpa_dtp; /* pointer to libdtrace handle */
189 dtrace_aggvarid_t dtpa_id; /* aggregation variable of interest */
190 FILE *dtpa_fp; /* file pointer */
191 int dtpa_allunprint; /* print only unprinted aggregations */
| 153} dt_module_t;
154
155#define DT_DM_LOADED 0x1 /* module symbol and type data is loaded */
156#define DT_DM_KERNEL 0x2 /* module is associated with a kernel object */
157#define DT_DM_PRIMARY 0x4 /* module is a krtld primary kernel object */
158
159typedef struct dt_provmod {
160 char *dp_name; /* name of provider module */
161 struct dt_provmod *dp_next; /* next module */
162} dt_provmod_t;
163
164typedef struct dt_ahashent {
165 struct dt_ahashent *dtahe_prev; /* prev on hash chain */
166 struct dt_ahashent *dtahe_next; /* next on hash chain */
167 struct dt_ahashent *dtahe_prevall; /* prev on list of all */
168 struct dt_ahashent *dtahe_nextall; /* next on list of all */
169 uint64_t dtahe_hashval; /* hash value */
170 size_t dtahe_size; /* size of data */
171 dtrace_aggdata_t dtahe_data; /* data */
172 void (*dtahe_aggregate)(int64_t *, int64_t *, size_t); /* function */
173} dt_ahashent_t;
174
175typedef struct dt_ahash {
176 dt_ahashent_t **dtah_hash; /* hash table */
177 dt_ahashent_t *dtah_all; /* list of all elements */
178 size_t dtah_size; /* size of hash table */
179} dt_ahash_t;
180
181typedef struct dt_aggregate {
182 dtrace_bufdesc_t dtat_buf; /* buf aggregation snapshot */
183 int dtat_flags; /* aggregate flags */
184 processorid_t dtat_ncpus; /* number of CPUs in aggregate */
185 processorid_t *dtat_cpus; /* CPUs in aggregate */
186 processorid_t dtat_ncpu; /* size of dtat_cpus array */
187 processorid_t dtat_maxcpu; /* maximum number of CPUs */
188 dt_ahash_t dtat_hash; /* aggregate hash table */
189} dt_aggregate_t;
190
191typedef struct dt_print_aggdata {
192 dtrace_hdl_t *dtpa_dtp; /* pointer to libdtrace handle */
193 dtrace_aggvarid_t dtpa_id; /* aggregation variable of interest */
194 FILE *dtpa_fp; /* file pointer */
195 int dtpa_allunprint; /* print only unprinted aggregations */
|
| 196 int dtpa_agghist; /* print aggregation as histogram */
197 int dtpa_agghisthdr; /* aggregation histogram hdr printed */
198 int dtpa_aggpack; /* pack quantized aggregations */
|
192} dt_print_aggdata_t;
193
194typedef struct dt_dirpath {
195 dt_list_t dir_list; /* linked-list forward/back pointers */
196 char *dir_path; /* directory pathname */
197} dt_dirpath_t;
198
199typedef struct dt_lib_depend {
200 dt_list_t dtld_deplist; /* linked-list forward/back pointers */
201 char *dtld_library; /* library name */
202 char *dtld_libpath; /* library pathname */
203 uint_t dtld_finish; /* completion time in tsort for lib */
204 uint_t dtld_start; /* starting time in tsort for lib */
205 uint_t dtld_loaded; /* boolean: is this library loaded */
206 dt_list_t dtld_dependencies; /* linked-list of lib dependencies */
207 dt_list_t dtld_dependents; /* linked-list of lib dependents */
208} dt_lib_depend_t;
209
210typedef uint32_t dt_version_t; /* encoded version (see below) */
211
212struct dtrace_hdl {
213 const dtrace_vector_t *dt_vector; /* library vector, if vectored open */
214 void *dt_varg; /* vector argument, if vectored open */
215 dtrace_conf_t dt_conf; /* DTrace driver configuration profile */
216 char dt_errmsg[BUFSIZ]; /* buffer for formatted syntax error msgs */
217 const char *dt_errtag; /* tag used with last call to dt_set_errmsg() */
218 dt_pcb_t *dt_pcb; /* pointer to current parsing control block */
219 ulong_t dt_gen; /* compiler generation number */
220 dt_list_t dt_programs; /* linked list of dtrace_prog_t's */
221 dt_list_t dt_xlators; /* linked list of dt_xlator_t's */
222 struct dt_xlator **dt_xlatormap; /* dt_xlator_t's indexed by dx_id */
223 id_t dt_xlatorid; /* next dt_xlator_t id to assign */
224 dt_ident_t *dt_externs; /* linked list of external symbol identifiers */
225 dt_idhash_t *dt_macros; /* hash table of macro variable identifiers */
226 dt_idhash_t *dt_aggs; /* hash table of aggregation identifiers */
227 dt_idhash_t *dt_globals; /* hash table of global identifiers */
228 dt_idhash_t *dt_tls; /* hash table of thread-local identifiers */
229 dt_list_t dt_modlist; /* linked list of dt_module_t's */
230 dt_module_t **dt_mods; /* hash table of dt_module_t's */
231 uint_t dt_modbuckets; /* number of module hash buckets */
232 uint_t dt_nmods; /* number of modules in hash and list */
233 dt_provmod_t *dt_provmod; /* linked list of provider modules */
234 dt_module_t *dt_exec; /* pointer to executable module */
235 dt_module_t *dt_rtld; /* pointer to run-time linker module */
236 dt_module_t *dt_cdefs; /* pointer to C dynamic type module */
237 dt_module_t *dt_ddefs; /* pointer to D dynamic type module */
238 dt_list_t dt_provlist; /* linked list of dt_provider_t's */
239 struct dt_provider **dt_provs; /* hash table of dt_provider_t's */
240 uint_t dt_provbuckets; /* number of provider hash buckets */
241 uint_t dt_nprovs; /* number of providers in hash and list */
242 dt_proc_hash_t *dt_procs; /* hash table of grabbed process handles */
243 char **dt_proc_env; /* additional environment variables */
244 dt_intdesc_t dt_ints[6]; /* cached integer type descriptions */
245 ctf_id_t dt_type_func; /* cached CTF identifier for function type */
246 ctf_id_t dt_type_fptr; /* cached CTF identifier for function pointer */
247 ctf_id_t dt_type_str; /* cached CTF identifier for string type */
248 ctf_id_t dt_type_dyn; /* cached CTF identifier for <DYN> type */
249 ctf_id_t dt_type_stack; /* cached CTF identifier for stack type */
250 ctf_id_t dt_type_symaddr; /* cached CTF identifier for _symaddr type */
251 ctf_id_t dt_type_usymaddr; /* cached CTF ident. for _usymaddr type */
252 size_t dt_maxprobe; /* max enabled probe ID */
253 dtrace_eprobedesc_t **dt_edesc; /* enabled probe descriptions */
254 dtrace_probedesc_t **dt_pdesc; /* probe descriptions for enabled prbs */
255 size_t dt_maxagg; /* max aggregation ID */
256 dtrace_aggdesc_t **dt_aggdesc; /* aggregation descriptions */
257 int dt_maxformat; /* max format ID */
258 void **dt_formats; /* pointer to format array */
259 int dt_maxstrdata; /* max strdata ID */
260 char **dt_strdata; /* pointer to strdata array */
261 dt_aggregate_t dt_aggregate; /* aggregate */
262 dt_pq_t *dt_bufq; /* CPU-specific data queue */
263 struct dt_pfdict *dt_pfdict; /* dictionary of printf conversions */
264 dt_version_t dt_vmax; /* optional ceiling on program API binding */
265 dtrace_attribute_t dt_amin; /* optional floor on program attributes */
266 char *dt_cpp_path; /* pathname of cpp(1) to invoke if needed */
267 char **dt_cpp_argv; /* argument vector for exec'ing cpp(1) */
268 int dt_cpp_argc; /* count of initialized cpp(1) arguments */
269 int dt_cpp_args; /* size of dt_cpp_argv[] array */
270 char *dt_ld_path; /* pathname of ld(1) to invoke if needed */
271 dt_list_t dt_lib_path; /* linked-list forming library search path */
272 uint_t dt_lazyload; /* boolean: set via -xlazyload */
273 uint_t dt_droptags; /* boolean: set via -xdroptags */
274 uint_t dt_active; /* boolean: set once tracing is active */
275 uint_t dt_stopped; /* boolean: set once tracing is stopped */
276 processorid_t dt_beganon; /* CPU that executed BEGIN probe (if any) */
277 processorid_t dt_endedon; /* CPU that executed END probe (if any) */
278 uint_t dt_oflags; /* dtrace open-time options (see dtrace.h) */
279 uint_t dt_cflags; /* dtrace compile-time options (see dtrace.h) */
280 uint_t dt_dflags; /* dtrace link-time options (see dtrace.h) */
281 uint_t dt_prcmode; /* dtrace process create mode (see dt_proc.h) */
282 uint_t dt_linkmode; /* dtrace symbol linking mode (see below) */
283 uint_t dt_linktype; /* dtrace link output file type (see below) */
284 uint_t dt_xlatemode; /* dtrace translator linking mode (see below) */
285 uint_t dt_stdcmode; /* dtrace stdc compatibility mode (see below) */
| 199} dt_print_aggdata_t;
200
201typedef struct dt_dirpath {
202 dt_list_t dir_list; /* linked-list forward/back pointers */
203 char *dir_path; /* directory pathname */
204} dt_dirpath_t;
205
206typedef struct dt_lib_depend {
207 dt_list_t dtld_deplist; /* linked-list forward/back pointers */
208 char *dtld_library; /* library name */
209 char *dtld_libpath; /* library pathname */
210 uint_t dtld_finish; /* completion time in tsort for lib */
211 uint_t dtld_start; /* starting time in tsort for lib */
212 uint_t dtld_loaded; /* boolean: is this library loaded */
213 dt_list_t dtld_dependencies; /* linked-list of lib dependencies */
214 dt_list_t dtld_dependents; /* linked-list of lib dependents */
215} dt_lib_depend_t;
216
217typedef uint32_t dt_version_t; /* encoded version (see below) */
218
219struct dtrace_hdl {
220 const dtrace_vector_t *dt_vector; /* library vector, if vectored open */
221 void *dt_varg; /* vector argument, if vectored open */
222 dtrace_conf_t dt_conf; /* DTrace driver configuration profile */
223 char dt_errmsg[BUFSIZ]; /* buffer for formatted syntax error msgs */
224 const char *dt_errtag; /* tag used with last call to dt_set_errmsg() */
225 dt_pcb_t *dt_pcb; /* pointer to current parsing control block */
226 ulong_t dt_gen; /* compiler generation number */
227 dt_list_t dt_programs; /* linked list of dtrace_prog_t's */
228 dt_list_t dt_xlators; /* linked list of dt_xlator_t's */
229 struct dt_xlator **dt_xlatormap; /* dt_xlator_t's indexed by dx_id */
230 id_t dt_xlatorid; /* next dt_xlator_t id to assign */
231 dt_ident_t *dt_externs; /* linked list of external symbol identifiers */
232 dt_idhash_t *dt_macros; /* hash table of macro variable identifiers */
233 dt_idhash_t *dt_aggs; /* hash table of aggregation identifiers */
234 dt_idhash_t *dt_globals; /* hash table of global identifiers */
235 dt_idhash_t *dt_tls; /* hash table of thread-local identifiers */
236 dt_list_t dt_modlist; /* linked list of dt_module_t's */
237 dt_module_t **dt_mods; /* hash table of dt_module_t's */
238 uint_t dt_modbuckets; /* number of module hash buckets */
239 uint_t dt_nmods; /* number of modules in hash and list */
240 dt_provmod_t *dt_provmod; /* linked list of provider modules */
241 dt_module_t *dt_exec; /* pointer to executable module */
242 dt_module_t *dt_rtld; /* pointer to run-time linker module */
243 dt_module_t *dt_cdefs; /* pointer to C dynamic type module */
244 dt_module_t *dt_ddefs; /* pointer to D dynamic type module */
245 dt_list_t dt_provlist; /* linked list of dt_provider_t's */
246 struct dt_provider **dt_provs; /* hash table of dt_provider_t's */
247 uint_t dt_provbuckets; /* number of provider hash buckets */
248 uint_t dt_nprovs; /* number of providers in hash and list */
249 dt_proc_hash_t *dt_procs; /* hash table of grabbed process handles */
250 char **dt_proc_env; /* additional environment variables */
251 dt_intdesc_t dt_ints[6]; /* cached integer type descriptions */
252 ctf_id_t dt_type_func; /* cached CTF identifier for function type */
253 ctf_id_t dt_type_fptr; /* cached CTF identifier for function pointer */
254 ctf_id_t dt_type_str; /* cached CTF identifier for string type */
255 ctf_id_t dt_type_dyn; /* cached CTF identifier for <DYN> type */
256 ctf_id_t dt_type_stack; /* cached CTF identifier for stack type */
257 ctf_id_t dt_type_symaddr; /* cached CTF identifier for _symaddr type */
258 ctf_id_t dt_type_usymaddr; /* cached CTF ident. for _usymaddr type */
259 size_t dt_maxprobe; /* max enabled probe ID */
260 dtrace_eprobedesc_t **dt_edesc; /* enabled probe descriptions */
261 dtrace_probedesc_t **dt_pdesc; /* probe descriptions for enabled prbs */
262 size_t dt_maxagg; /* max aggregation ID */
263 dtrace_aggdesc_t **dt_aggdesc; /* aggregation descriptions */
264 int dt_maxformat; /* max format ID */
265 void **dt_formats; /* pointer to format array */
266 int dt_maxstrdata; /* max strdata ID */
267 char **dt_strdata; /* pointer to strdata array */
268 dt_aggregate_t dt_aggregate; /* aggregate */
269 dt_pq_t *dt_bufq; /* CPU-specific data queue */
270 struct dt_pfdict *dt_pfdict; /* dictionary of printf conversions */
271 dt_version_t dt_vmax; /* optional ceiling on program API binding */
272 dtrace_attribute_t dt_amin; /* optional floor on program attributes */
273 char *dt_cpp_path; /* pathname of cpp(1) to invoke if needed */
274 char **dt_cpp_argv; /* argument vector for exec'ing cpp(1) */
275 int dt_cpp_argc; /* count of initialized cpp(1) arguments */
276 int dt_cpp_args; /* size of dt_cpp_argv[] array */
277 char *dt_ld_path; /* pathname of ld(1) to invoke if needed */
278 dt_list_t dt_lib_path; /* linked-list forming library search path */
279 uint_t dt_lazyload; /* boolean: set via -xlazyload */
280 uint_t dt_droptags; /* boolean: set via -xdroptags */
281 uint_t dt_active; /* boolean: set once tracing is active */
282 uint_t dt_stopped; /* boolean: set once tracing is stopped */
283 processorid_t dt_beganon; /* CPU that executed BEGIN probe (if any) */
284 processorid_t dt_endedon; /* CPU that executed END probe (if any) */
285 uint_t dt_oflags; /* dtrace open-time options (see dtrace.h) */
286 uint_t dt_cflags; /* dtrace compile-time options (see dtrace.h) */
287 uint_t dt_dflags; /* dtrace link-time options (see dtrace.h) */
288 uint_t dt_prcmode; /* dtrace process create mode (see dt_proc.h) */
289 uint_t dt_linkmode; /* dtrace symbol linking mode (see below) */
290 uint_t dt_linktype; /* dtrace link output file type (see below) */
291 uint_t dt_xlatemode; /* dtrace translator linking mode (see below) */
292 uint_t dt_stdcmode; /* dtrace stdc compatibility mode (see below) */
|
| 293 uint_t dt_encoding; /* dtrace output encoding (see below) */
|
286 uint_t dt_treedump; /* dtrace tree debug bitmap (see below) */
287 uint64_t dt_options[DTRACEOPT_MAX]; /* dtrace run-time options */
288 int dt_version; /* library version requested by client */
289 int dt_ctferr; /* error resulting from last CTF failure */
290 int dt_errno; /* error resulting from last failed operation */
291#if !defined(sun)
292 const char *dt_errfile;
293 int dt_errline;
294#endif
295 int dt_fd; /* file descriptor for dtrace pseudo-device */
296 int dt_ftfd; /* file descriptor for fasttrap pseudo-device */
297 int dt_fterr; /* saved errno from failed open of dt_ftfd */
298 int dt_cdefs_fd; /* file descriptor for C CTF debugging cache */
299 int dt_ddefs_fd; /* file descriptor for D CTF debugging cache */
300#if defined(sun)
301 int dt_stdout_fd; /* file descriptor for saved stdout */
302#else
303 FILE *dt_freopen_fp; /* file pointer for freopened stdout */
304#endif
305 dtrace_handle_err_f *dt_errhdlr; /* error handler, if any */
306 void *dt_errarg; /* error handler argument */
307 dtrace_prog_t *dt_errprog; /* error handler program, if any */
308 dtrace_handle_drop_f *dt_drophdlr; /* drop handler, if any */
309 void *dt_droparg; /* drop handler argument */
310 dtrace_handle_proc_f *dt_prochdlr; /* proc handler, if any */
311 void *dt_procarg; /* proc handler argument */
312 dtrace_handle_setopt_f *dt_setopthdlr; /* setopt handler, if any */
313 void *dt_setoptarg; /* setopt handler argument */
314 dtrace_status_t dt_status[2]; /* status cache */
315 int dt_statusgen; /* current status generation */
316 hrtime_t dt_laststatus; /* last status */
317 hrtime_t dt_lastswitch; /* last switch of buffer data */
318 hrtime_t dt_lastagg; /* last snapshot of aggregation data */
319 char *dt_sprintf_buf; /* buffer for dtrace_sprintf() */
320 int dt_sprintf_buflen; /* length of dtrace_sprintf() buffer */
321 const char *dt_filetag; /* default filetag for dt_set_errmsg() */
322 char *dt_buffered_buf; /* buffer for buffered output */
323 size_t dt_buffered_offs; /* current offset into buffered buffer */
324 size_t dt_buffered_size; /* size of buffered buffer */
325 dtrace_handle_buffered_f *dt_bufhdlr; /* buffered handler, if any */
326 void *dt_bufarg; /* buffered handler argument */
327 dt_dof_t dt_dof; /* DOF generation buffers (see dt_dof.c) */
328 struct utsname dt_uts; /* uname(2) information for system */
329 dt_list_t dt_lib_dep; /* scratch linked-list of lib dependencies */
330 dt_list_t dt_lib_dep_sorted; /* dependency sorted library list */
331 dtrace_flowkind_t dt_flow; /* flow kind */
332 const char *dt_prefix; /* recommended flow prefix */
333 int dt_indent; /* recommended flow indent */
334 dtrace_epid_t dt_last_epid; /* most recently consumed EPID */
335 uint64_t dt_last_timestamp; /* most recently consumed timestamp */
336};
337
338/*
339 * Values for the user arg of the ECB.
340 */
341#define DT_ECB_DEFAULT 0
342#define DT_ECB_ERROR 1
343
344/*
345 * Values for the dt_linkmode property, which is used by the assembler when
346 * processing external symbol references. User can set using -xlink=<mode>.
347 */
348#define DT_LINK_KERNEL 0 /* kernel syms static, user syms dynamic */
349#define DT_LINK_PRIMARY 1 /* primary kernel syms static, others dynamic */
350#define DT_LINK_DYNAMIC 2 /* all symbols dynamic */
351#define DT_LINK_STATIC 3 /* all symbols static */
352
353/*
354 * Values for the dt_linktype property, which is used by dtrace_program_link()
355 * to determine the type of output file that is desired by the client.
356 */
357#define DT_LTYP_ELF 0 /* produce ELF containing DOF */
358#define DT_LTYP_DOF 1 /* produce stand-alone DOF */
359
360/*
361 * Values for the dt_xlatemode property, which is used to determine whether
362 * references to dynamic translators are permitted. Set using -xlate=<mode>.
363 */
364#define DT_XL_STATIC 0 /* require xlators to be statically defined */
365#define DT_XL_DYNAMIC 1 /* produce references to dynamic translators */
366
367/*
368 * Values for the dt_stdcmode property, which is used by the compiler when
369 * running cpp to determine the presence and setting of the __STDC__ macro.
370 */
371#define DT_STDC_XA 0 /* ISO C + K&R C compat w/o ISO: __STDC__=0 */
372#define DT_STDC_XC 1 /* Strict ISO C: __STDC__=1 */
373#define DT_STDC_XS 2 /* K&R C: __STDC__ not defined */
374#define DT_STDC_XT 3 /* ISO C + K&R C compat with ISO: __STDC__=0 */
375
376/*
| 294 uint_t dt_treedump; /* dtrace tree debug bitmap (see below) */
295 uint64_t dt_options[DTRACEOPT_MAX]; /* dtrace run-time options */
296 int dt_version; /* library version requested by client */
297 int dt_ctferr; /* error resulting from last CTF failure */
298 int dt_errno; /* error resulting from last failed operation */
299#if !defined(sun)
300 const char *dt_errfile;
301 int dt_errline;
302#endif
303 int dt_fd; /* file descriptor for dtrace pseudo-device */
304 int dt_ftfd; /* file descriptor for fasttrap pseudo-device */
305 int dt_fterr; /* saved errno from failed open of dt_ftfd */
306 int dt_cdefs_fd; /* file descriptor for C CTF debugging cache */
307 int dt_ddefs_fd; /* file descriptor for D CTF debugging cache */
308#if defined(sun)
309 int dt_stdout_fd; /* file descriptor for saved stdout */
310#else
311 FILE *dt_freopen_fp; /* file pointer for freopened stdout */
312#endif
313 dtrace_handle_err_f *dt_errhdlr; /* error handler, if any */
314 void *dt_errarg; /* error handler argument */
315 dtrace_prog_t *dt_errprog; /* error handler program, if any */
316 dtrace_handle_drop_f *dt_drophdlr; /* drop handler, if any */
317 void *dt_droparg; /* drop handler argument */
318 dtrace_handle_proc_f *dt_prochdlr; /* proc handler, if any */
319 void *dt_procarg; /* proc handler argument */
320 dtrace_handle_setopt_f *dt_setopthdlr; /* setopt handler, if any */
321 void *dt_setoptarg; /* setopt handler argument */
322 dtrace_status_t dt_status[2]; /* status cache */
323 int dt_statusgen; /* current status generation */
324 hrtime_t dt_laststatus; /* last status */
325 hrtime_t dt_lastswitch; /* last switch of buffer data */
326 hrtime_t dt_lastagg; /* last snapshot of aggregation data */
327 char *dt_sprintf_buf; /* buffer for dtrace_sprintf() */
328 int dt_sprintf_buflen; /* length of dtrace_sprintf() buffer */
329 const char *dt_filetag; /* default filetag for dt_set_errmsg() */
330 char *dt_buffered_buf; /* buffer for buffered output */
331 size_t dt_buffered_offs; /* current offset into buffered buffer */
332 size_t dt_buffered_size; /* size of buffered buffer */
333 dtrace_handle_buffered_f *dt_bufhdlr; /* buffered handler, if any */
334 void *dt_bufarg; /* buffered handler argument */
335 dt_dof_t dt_dof; /* DOF generation buffers (see dt_dof.c) */
336 struct utsname dt_uts; /* uname(2) information for system */
337 dt_list_t dt_lib_dep; /* scratch linked-list of lib dependencies */
338 dt_list_t dt_lib_dep_sorted; /* dependency sorted library list */
339 dtrace_flowkind_t dt_flow; /* flow kind */
340 const char *dt_prefix; /* recommended flow prefix */
341 int dt_indent; /* recommended flow indent */
342 dtrace_epid_t dt_last_epid; /* most recently consumed EPID */
343 uint64_t dt_last_timestamp; /* most recently consumed timestamp */
344};
345
346/*
347 * Values for the user arg of the ECB.
348 */
349#define DT_ECB_DEFAULT 0
350#define DT_ECB_ERROR 1
351
352/*
353 * Values for the dt_linkmode property, which is used by the assembler when
354 * processing external symbol references. User can set using -xlink=<mode>.
355 */
356#define DT_LINK_KERNEL 0 /* kernel syms static, user syms dynamic */
357#define DT_LINK_PRIMARY 1 /* primary kernel syms static, others dynamic */
358#define DT_LINK_DYNAMIC 2 /* all symbols dynamic */
359#define DT_LINK_STATIC 3 /* all symbols static */
360
361/*
362 * Values for the dt_linktype property, which is used by dtrace_program_link()
363 * to determine the type of output file that is desired by the client.
364 */
365#define DT_LTYP_ELF 0 /* produce ELF containing DOF */
366#define DT_LTYP_DOF 1 /* produce stand-alone DOF */
367
368/*
369 * Values for the dt_xlatemode property, which is used to determine whether
370 * references to dynamic translators are permitted. Set using -xlate=<mode>.
371 */
372#define DT_XL_STATIC 0 /* require xlators to be statically defined */
373#define DT_XL_DYNAMIC 1 /* produce references to dynamic translators */
374
375/*
376 * Values for the dt_stdcmode property, which is used by the compiler when
377 * running cpp to determine the presence and setting of the __STDC__ macro.
378 */
379#define DT_STDC_XA 0 /* ISO C + K&R C compat w/o ISO: __STDC__=0 */
380#define DT_STDC_XC 1 /* Strict ISO C: __STDC__=1 */
381#define DT_STDC_XS 2 /* K&R C: __STDC__ not defined */
382#define DT_STDC_XT 3 /* ISO C + K&R C compat with ISO: __STDC__=0 */
383
384/*
|
| 385 * Values for the dt_encoding property, which is used to force a particular
386 * character encoding (overriding default behavior and/or automatic detection).
387 */
388#define DT_ENCODING_UNSET 0
389#define DT_ENCODING_ASCII 1
390#define DT_ENCODING_UTF8 2
391
392/*
|
377 * Macro to test whether a given pass bit is set in the dt_treedump bit-vector.
378 * If the bit for pass 'p' is set, the D compiler displays the parse tree for
379 * the program by printing it to stderr at the end of compiler pass 'p'.
380 */
381#define DT_TREEDUMP_PASS(dtp, p) ((dtp)->dt_treedump & (1 << ((p) - 1)))
382
383/*
384 * Macros for accessing the cached CTF container and type ID for the common
385 * types "int", "string", and <DYN>, which we need to use frequently in the D
386 * compiler. The DT_INT_* macro relies upon "int" being at index 0 in the
387 * _dtrace_ints_* tables in dt_open.c; the others are also set up there.
388 */
389#define DT_INT_CTFP(dtp) ((dtp)->dt_ints[0].did_ctfp)
390#define DT_INT_TYPE(dtp) ((dtp)->dt_ints[0].did_type)
391
392#define DT_FUNC_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
393#define DT_FUNC_TYPE(dtp) ((dtp)->dt_type_func)
394
395#define DT_FPTR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
396#define DT_FPTR_TYPE(dtp) ((dtp)->dt_type_fptr)
397
398#define DT_STR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
399#define DT_STR_TYPE(dtp) ((dtp)->dt_type_str)
400
401#define DT_DYN_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
402#define DT_DYN_TYPE(dtp) ((dtp)->dt_type_dyn)
403
404#define DT_STACK_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
405#define DT_STACK_TYPE(dtp) ((dtp)->dt_type_stack)
406
407#define DT_SYMADDR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
408#define DT_SYMADDR_TYPE(dtp) ((dtp)->dt_type_symaddr)
409
410#define DT_USYMADDR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
411#define DT_USYMADDR_TYPE(dtp) ((dtp)->dt_type_usymaddr)
412
413/*
414 * Actions and subroutines are both DT_NODE_FUNC nodes; to avoid confusing
415 * an action for a subroutine (or vice versa), we assure that the DT_ACT_*
416 * constants and the DIF_SUBR_* constants occupy non-overlapping ranges by
417 * starting the DT_ACT_* constants at DIF_SUBR_MAX + 1.
418 */
419#define DT_ACT_BASE DIF_SUBR_MAX + 1
420#define DT_ACT(n) (DT_ACT_BASE + (n))
421
422#define DT_ACT_PRINTF DT_ACT(0) /* printf() action */
423#define DT_ACT_TRACE DT_ACT(1) /* trace() action */
424#define DT_ACT_TRACEMEM DT_ACT(2) /* tracemem() action */
425#define DT_ACT_STACK DT_ACT(3) /* stack() action */
426#define DT_ACT_STOP DT_ACT(4) /* stop() action */
427#define DT_ACT_BREAKPOINT DT_ACT(5) /* breakpoint() action */
428#define DT_ACT_PANIC DT_ACT(6) /* panic() action */
429#define DT_ACT_SPECULATE DT_ACT(7) /* speculate() action */
430#define DT_ACT_COMMIT DT_ACT(8) /* commit() action */
431#define DT_ACT_DISCARD DT_ACT(9) /* discard() action */
432#define DT_ACT_CHILL DT_ACT(10) /* chill() action */
433#define DT_ACT_EXIT DT_ACT(11) /* exit() action */
434#define DT_ACT_USTACK DT_ACT(12) /* ustack() action */
435#define DT_ACT_PRINTA DT_ACT(13) /* printa() action */
436#define DT_ACT_RAISE DT_ACT(14) /* raise() action */
437#define DT_ACT_CLEAR DT_ACT(15) /* clear() action */
438#define DT_ACT_NORMALIZE DT_ACT(16) /* normalize() action */
439#define DT_ACT_DENORMALIZE DT_ACT(17) /* denormalize() action */
440#define DT_ACT_TRUNC DT_ACT(18) /* trunc() action */
441#define DT_ACT_SYSTEM DT_ACT(19) /* system() action */
442#define DT_ACT_JSTACK DT_ACT(20) /* jstack() action */
443#define DT_ACT_FTRUNCATE DT_ACT(21) /* ftruncate() action */
444#define DT_ACT_FREOPEN DT_ACT(22) /* freopen() action */
445#define DT_ACT_SYM DT_ACT(23) /* sym()/func() actions */
446#define DT_ACT_MOD DT_ACT(24) /* mod() action */
447#define DT_ACT_USYM DT_ACT(25) /* usym()/ufunc() actions */
448#define DT_ACT_UMOD DT_ACT(26) /* umod() action */
449#define DT_ACT_UADDR DT_ACT(27) /* uaddr() action */
450#define DT_ACT_SETOPT DT_ACT(28) /* setopt() action */
451#define DT_ACT_PRINT DT_ACT(29) /* print() action */
452#define DT_ACT_PRINTM DT_ACT(30) /* printm() action */
453#define DT_ACT_PRINTT DT_ACT(31) /* printt() action */
454
455/*
456 * Sentinel to tell freopen() to restore the saved stdout. This must not
457 * be ever valid for opening for write access via freopen(3C), which of
458 * course, "." never is.
459 */
460#define DT_FREOPEN_RESTORE "."
461
462#define EDT_BASE 1000 /* base value for libdtrace errnos */
463
464enum {
465 EDT_VERSION = EDT_BASE, /* client is requesting unsupported version */
466 EDT_VERSINVAL, /* version string is invalid or overflows */
467 EDT_VERSUNDEF, /* requested API version is not defined */
468 EDT_VERSREDUCED, /* requested API version has been reduced */
469 EDT_CTF, /* libctf called failed (dt_ctferr has more) */
470 EDT_COMPILER, /* error in D program compilation */
471 EDT_NOTUPREG, /* tuple register allocation failure */
472 EDT_NOMEM, /* memory allocation failure */
473 EDT_INT2BIG, /* integer limit exceeded */
474 EDT_STR2BIG, /* string limit exceeded */
475 EDT_NOMOD, /* unknown module name */
476 EDT_NOPROV, /* unknown provider name */
477 EDT_NOPROBE, /* unknown probe name */
478 EDT_NOSYM, /* unknown symbol name */
479 EDT_NOSYMADDR, /* no symbol corresponds to address */
480 EDT_NOTYPE, /* unknown type name */
481 EDT_NOVAR, /* unknown variable name */
482 EDT_NOAGG, /* unknown aggregation name */
483 EDT_BADSCOPE, /* improper use of type name scoping operator */
484 EDT_BADSPEC, /* overspecified probe description */
485 EDT_BADSPCV, /* bad macro variable in probe description */
486 EDT_BADID, /* invalid probe identifier */
487 EDT_NOTLOADED, /* module is not currently loaded */
488 EDT_NOCTF, /* module does not contain any CTF data */
489 EDT_DATAMODEL, /* module and program data models don't match */
490 EDT_DIFVERS, /* library has newer DIF version than driver */
491 EDT_BADAGG, /* unrecognized aggregating action */
492 EDT_FIO, /* file i/o error */
493 EDT_DIFINVAL, /* invalid DIF program */
494 EDT_DIFSIZE, /* invalid DIF size */
495 EDT_DIFFAULT, /* failed to copyin DIF program */
496 EDT_BADPROBE, /* bad probe description */
497 EDT_BADPGLOB, /* bad probe description globbing pattern */
498 EDT_NOSCOPE, /* declaration scope stack underflow */
499 EDT_NODECL, /* declaration stack underflow */
500 EDT_DMISMATCH, /* record list does not match statement */
501 EDT_DOFFSET, /* record data offset error */
502 EDT_DALIGN, /* record data alignment error */
503 EDT_BADOPTNAME, /* invalid dtrace_setopt option name */
504 EDT_BADOPTVAL, /* invalid dtrace_setopt option value */
505 EDT_BADOPTCTX, /* invalid dtrace_setopt option context */
506 EDT_CPPFORK, /* failed to fork preprocessor */
507 EDT_CPPEXEC, /* failed to exec preprocessor */
508 EDT_CPPENT, /* preprocessor not found */
509 EDT_CPPERR, /* unknown preprocessor error */
510 EDT_SYMOFLOW, /* external symbol table overflow */
511 EDT_ACTIVE, /* operation illegal when tracing is active */
512 EDT_DESTRUCTIVE, /* destructive actions not allowed */
513 EDT_NOANON, /* no anonymous tracing state */
514 EDT_ISANON, /* can't claim anon state and enable probes */
515 EDT_ENDTOOBIG, /* END enablings exceed size of prncpl buffer */
516 EDT_NOCONV, /* failed to load type for printf conversion */
517 EDT_BADCONV, /* incomplete printf conversion */
518 EDT_BADERROR, /* invalid library ERROR action */
519 EDT_ERRABORT, /* abort due to error */
520 EDT_DROPABORT, /* abort due to drop */
521 EDT_DIRABORT, /* abort explicitly directed */
522 EDT_BADRVAL, /* invalid return value from callback */
523 EDT_BADNORMAL, /* invalid normalization */
524 EDT_BUFTOOSMALL, /* enabling exceeds size of buffer */
525 EDT_BADTRUNC, /* invalid truncation */
526 EDT_BUSY, /* device busy (active kernel debugger) */
527 EDT_ACCESS, /* insufficient privileges to use DTrace */
528 EDT_NOENT, /* dtrace device not available */
529 EDT_BRICKED, /* abort due to systemic unresponsiveness */
530 EDT_HARDWIRE, /* failed to load hard-wired definitions */
531 EDT_ELFVERSION, /* libelf is out-of-date w.r.t libdtrace */
532 EDT_NOBUFFERED, /* attempt to buffer output without handler */
533 EDT_UNSTABLE, /* description matched unstable set of probes */
534 EDT_BADSETOPT, /* invalid setopt library action */
535 EDT_BADSTACKPC, /* invalid stack program counter size */
536 EDT_BADAGGVAR, /* invalid aggregation variable identifier */
537 EDT_OVERSION, /* client is requesting deprecated version */
538 EDT_ENABLING_ERR, /* failed to enable probe */
| 393 * Macro to test whether a given pass bit is set in the dt_treedump bit-vector.
394 * If the bit for pass 'p' is set, the D compiler displays the parse tree for
395 * the program by printing it to stderr at the end of compiler pass 'p'.
396 */
397#define DT_TREEDUMP_PASS(dtp, p) ((dtp)->dt_treedump & (1 << ((p) - 1)))
398
399/*
400 * Macros for accessing the cached CTF container and type ID for the common
401 * types "int", "string", and <DYN>, which we need to use frequently in the D
402 * compiler. The DT_INT_* macro relies upon "int" being at index 0 in the
403 * _dtrace_ints_* tables in dt_open.c; the others are also set up there.
404 */
405#define DT_INT_CTFP(dtp) ((dtp)->dt_ints[0].did_ctfp)
406#define DT_INT_TYPE(dtp) ((dtp)->dt_ints[0].did_type)
407
408#define DT_FUNC_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
409#define DT_FUNC_TYPE(dtp) ((dtp)->dt_type_func)
410
411#define DT_FPTR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
412#define DT_FPTR_TYPE(dtp) ((dtp)->dt_type_fptr)
413
414#define DT_STR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
415#define DT_STR_TYPE(dtp) ((dtp)->dt_type_str)
416
417#define DT_DYN_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
418#define DT_DYN_TYPE(dtp) ((dtp)->dt_type_dyn)
419
420#define DT_STACK_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
421#define DT_STACK_TYPE(dtp) ((dtp)->dt_type_stack)
422
423#define DT_SYMADDR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
424#define DT_SYMADDR_TYPE(dtp) ((dtp)->dt_type_symaddr)
425
426#define DT_USYMADDR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp)
427#define DT_USYMADDR_TYPE(dtp) ((dtp)->dt_type_usymaddr)
428
429/*
430 * Actions and subroutines are both DT_NODE_FUNC nodes; to avoid confusing
431 * an action for a subroutine (or vice versa), we assure that the DT_ACT_*
432 * constants and the DIF_SUBR_* constants occupy non-overlapping ranges by
433 * starting the DT_ACT_* constants at DIF_SUBR_MAX + 1.
434 */
435#define DT_ACT_BASE DIF_SUBR_MAX + 1
436#define DT_ACT(n) (DT_ACT_BASE + (n))
437
438#define DT_ACT_PRINTF DT_ACT(0) /* printf() action */
439#define DT_ACT_TRACE DT_ACT(1) /* trace() action */
440#define DT_ACT_TRACEMEM DT_ACT(2) /* tracemem() action */
441#define DT_ACT_STACK DT_ACT(3) /* stack() action */
442#define DT_ACT_STOP DT_ACT(4) /* stop() action */
443#define DT_ACT_BREAKPOINT DT_ACT(5) /* breakpoint() action */
444#define DT_ACT_PANIC DT_ACT(6) /* panic() action */
445#define DT_ACT_SPECULATE DT_ACT(7) /* speculate() action */
446#define DT_ACT_COMMIT DT_ACT(8) /* commit() action */
447#define DT_ACT_DISCARD DT_ACT(9) /* discard() action */
448#define DT_ACT_CHILL DT_ACT(10) /* chill() action */
449#define DT_ACT_EXIT DT_ACT(11) /* exit() action */
450#define DT_ACT_USTACK DT_ACT(12) /* ustack() action */
451#define DT_ACT_PRINTA DT_ACT(13) /* printa() action */
452#define DT_ACT_RAISE DT_ACT(14) /* raise() action */
453#define DT_ACT_CLEAR DT_ACT(15) /* clear() action */
454#define DT_ACT_NORMALIZE DT_ACT(16) /* normalize() action */
455#define DT_ACT_DENORMALIZE DT_ACT(17) /* denormalize() action */
456#define DT_ACT_TRUNC DT_ACT(18) /* trunc() action */
457#define DT_ACT_SYSTEM DT_ACT(19) /* system() action */
458#define DT_ACT_JSTACK DT_ACT(20) /* jstack() action */
459#define DT_ACT_FTRUNCATE DT_ACT(21) /* ftruncate() action */
460#define DT_ACT_FREOPEN DT_ACT(22) /* freopen() action */
461#define DT_ACT_SYM DT_ACT(23) /* sym()/func() actions */
462#define DT_ACT_MOD DT_ACT(24) /* mod() action */
463#define DT_ACT_USYM DT_ACT(25) /* usym()/ufunc() actions */
464#define DT_ACT_UMOD DT_ACT(26) /* umod() action */
465#define DT_ACT_UADDR DT_ACT(27) /* uaddr() action */
466#define DT_ACT_SETOPT DT_ACT(28) /* setopt() action */
467#define DT_ACT_PRINT DT_ACT(29) /* print() action */
468#define DT_ACT_PRINTM DT_ACT(30) /* printm() action */
469#define DT_ACT_PRINTT DT_ACT(31) /* printt() action */
470
471/*
472 * Sentinel to tell freopen() to restore the saved stdout. This must not
473 * be ever valid for opening for write access via freopen(3C), which of
474 * course, "." never is.
475 */
476#define DT_FREOPEN_RESTORE "."
477
478#define EDT_BASE 1000 /* base value for libdtrace errnos */
479
480enum {
481 EDT_VERSION = EDT_BASE, /* client is requesting unsupported version */
482 EDT_VERSINVAL, /* version string is invalid or overflows */
483 EDT_VERSUNDEF, /* requested API version is not defined */
484 EDT_VERSREDUCED, /* requested API version has been reduced */
485 EDT_CTF, /* libctf called failed (dt_ctferr has more) */
486 EDT_COMPILER, /* error in D program compilation */
487 EDT_NOTUPREG, /* tuple register allocation failure */
488 EDT_NOMEM, /* memory allocation failure */
489 EDT_INT2BIG, /* integer limit exceeded */
490 EDT_STR2BIG, /* string limit exceeded */
491 EDT_NOMOD, /* unknown module name */
492 EDT_NOPROV, /* unknown provider name */
493 EDT_NOPROBE, /* unknown probe name */
494 EDT_NOSYM, /* unknown symbol name */
495 EDT_NOSYMADDR, /* no symbol corresponds to address */
496 EDT_NOTYPE, /* unknown type name */
497 EDT_NOVAR, /* unknown variable name */
498 EDT_NOAGG, /* unknown aggregation name */
499 EDT_BADSCOPE, /* improper use of type name scoping operator */
500 EDT_BADSPEC, /* overspecified probe description */
501 EDT_BADSPCV, /* bad macro variable in probe description */
502 EDT_BADID, /* invalid probe identifier */
503 EDT_NOTLOADED, /* module is not currently loaded */
504 EDT_NOCTF, /* module does not contain any CTF data */
505 EDT_DATAMODEL, /* module and program data models don't match */
506 EDT_DIFVERS, /* library has newer DIF version than driver */
507 EDT_BADAGG, /* unrecognized aggregating action */
508 EDT_FIO, /* file i/o error */
509 EDT_DIFINVAL, /* invalid DIF program */
510 EDT_DIFSIZE, /* invalid DIF size */
511 EDT_DIFFAULT, /* failed to copyin DIF program */
512 EDT_BADPROBE, /* bad probe description */
513 EDT_BADPGLOB, /* bad probe description globbing pattern */
514 EDT_NOSCOPE, /* declaration scope stack underflow */
515 EDT_NODECL, /* declaration stack underflow */
516 EDT_DMISMATCH, /* record list does not match statement */
517 EDT_DOFFSET, /* record data offset error */
518 EDT_DALIGN, /* record data alignment error */
519 EDT_BADOPTNAME, /* invalid dtrace_setopt option name */
520 EDT_BADOPTVAL, /* invalid dtrace_setopt option value */
521 EDT_BADOPTCTX, /* invalid dtrace_setopt option context */
522 EDT_CPPFORK, /* failed to fork preprocessor */
523 EDT_CPPEXEC, /* failed to exec preprocessor */
524 EDT_CPPENT, /* preprocessor not found */
525 EDT_CPPERR, /* unknown preprocessor error */
526 EDT_SYMOFLOW, /* external symbol table overflow */
527 EDT_ACTIVE, /* operation illegal when tracing is active */
528 EDT_DESTRUCTIVE, /* destructive actions not allowed */
529 EDT_NOANON, /* no anonymous tracing state */
530 EDT_ISANON, /* can't claim anon state and enable probes */
531 EDT_ENDTOOBIG, /* END enablings exceed size of prncpl buffer */
532 EDT_NOCONV, /* failed to load type for printf conversion */
533 EDT_BADCONV, /* incomplete printf conversion */
534 EDT_BADERROR, /* invalid library ERROR action */
535 EDT_ERRABORT, /* abort due to error */
536 EDT_DROPABORT, /* abort due to drop */
537 EDT_DIRABORT, /* abort explicitly directed */
538 EDT_BADRVAL, /* invalid return value from callback */
539 EDT_BADNORMAL, /* invalid normalization */
540 EDT_BUFTOOSMALL, /* enabling exceeds size of buffer */
541 EDT_BADTRUNC, /* invalid truncation */
542 EDT_BUSY, /* device busy (active kernel debugger) */
543 EDT_ACCESS, /* insufficient privileges to use DTrace */
544 EDT_NOENT, /* dtrace device not available */
545 EDT_BRICKED, /* abort due to systemic unresponsiveness */
546 EDT_HARDWIRE, /* failed to load hard-wired definitions */
547 EDT_ELFVERSION, /* libelf is out-of-date w.r.t libdtrace */
548 EDT_NOBUFFERED, /* attempt to buffer output without handler */
549 EDT_UNSTABLE, /* description matched unstable set of probes */
550 EDT_BADSETOPT, /* invalid setopt library action */
551 EDT_BADSTACKPC, /* invalid stack program counter size */
552 EDT_BADAGGVAR, /* invalid aggregation variable identifier */
553 EDT_OVERSION, /* client is requesting deprecated version */
554 EDT_ENABLING_ERR, /* failed to enable probe */
|
539 EDT_NOPROBES /* no probes sites for declared provider */
| 555 EDT_NOPROBES, /* no probes sites for declared provider */
556 EDT_CANTLOAD /* failed to load a module */
|
540};
541
542/*
543 * Interfaces for parsing and comparing DTrace attribute tuples, which describe
544 * stability and architectural binding information. The dtrace_attribute_t
545 * structure and associated constant definitions are found in <sys/dtrace.h>.
546 */
547extern dtrace_attribute_t dt_attr_min(dtrace_attribute_t, dtrace_attribute_t);
548extern dtrace_attribute_t dt_attr_max(dtrace_attribute_t, dtrace_attribute_t);
549extern char *dt_attr_str(dtrace_attribute_t, char *, size_t);
550extern int dt_attr_cmp(dtrace_attribute_t, dtrace_attribute_t);
551
552/*
553 * Interfaces for parsing and handling DTrace version strings. Version binding
554 * is a feature of the D compiler that is handled completely independently of
555 * the DTrace kernel infrastructure, so the definitions are here in libdtrace.
556 * Version strings are compiled into an encoded uint32_t which can be compared
557 * using C comparison operators. Version definitions are found in dt_open.c.
558 */
559#define DT_VERSION_STRMAX 16 /* enough for "255.4095.4095\0" */
560#define DT_VERSION_MAJMAX 0xFF /* maximum major version number */
561#define DT_VERSION_MINMAX 0xFFF /* maximum minor version number */
562#define DT_VERSION_MICMAX 0xFFF /* maximum micro version number */
563
564#define DT_VERSION_NUMBER(M, m, u) \
565 ((((M) & 0xFF) << 24) | (((m) & 0xFFF) << 12) | ((u) & 0xFFF))
566
567#define DT_VERSION_MAJOR(v) (((v) & 0xFF000000) >> 24)
568#define DT_VERSION_MINOR(v) (((v) & 0x00FFF000) >> 12)
569#define DT_VERSION_MICRO(v) ((v) & 0x00000FFF)
570
571extern char *dt_version_num2str(dt_version_t, char *, size_t);
572extern int dt_version_str2num(const char *, dt_version_t *);
573extern int dt_version_defined(dt_version_t);
574
575/*
576 * Miscellaneous internal libdtrace interfaces. The definitions below are for
577 * libdtrace routines that do not yet merit their own separate header file.
578 */
579extern char *dt_cpp_add_arg(dtrace_hdl_t *, const char *);
580extern char *dt_cpp_pop_arg(dtrace_hdl_t *);
581
582#if defined(sun)
583extern int dt_set_errno(dtrace_hdl_t *, int);
584#else
585int _dt_set_errno(dtrace_hdl_t *, int, const char *, int);
586void dt_get_errloc(dtrace_hdl_t *, const char **, int *);
587#define dt_set_errno(_a,_b) _dt_set_errno(_a,_b,__FILE__,__LINE__)
588#endif
589extern void dt_set_errmsg(dtrace_hdl_t *, const char *, const char *,
590 const char *, int, const char *, va_list);
591
592#if defined(sun)
593extern int dt_ioctl(dtrace_hdl_t *, int, void *);
594#else
595extern int dt_ioctl(dtrace_hdl_t *, u_long, void *);
596#endif
597extern int dt_status(dtrace_hdl_t *, processorid_t);
598extern long dt_sysconf(dtrace_hdl_t *, int);
599extern ssize_t dt_write(dtrace_hdl_t *, int, const void *, size_t);
600extern int dt_printf(dtrace_hdl_t *, FILE *, const char *, ...);
601
602extern void *dt_zalloc(dtrace_hdl_t *, size_t);
603extern void *dt_alloc(dtrace_hdl_t *, size_t);
604extern void dt_free(dtrace_hdl_t *, void *);
605extern void dt_difo_free(dtrace_hdl_t *, dtrace_difo_t *);
606
607extern int dt_gmatch(const char *, const char *);
608extern char *dt_basename(char *);
609
610extern ulong_t dt_popc(ulong_t);
611extern ulong_t dt_popcb(const ulong_t *, ulong_t);
612
613extern int dt_buffered_enable(dtrace_hdl_t *);
614extern int dt_buffered_flush(dtrace_hdl_t *, dtrace_probedata_t *,
615 const dtrace_recdesc_t *, const dtrace_aggdata_t *, uint32_t flags);
616extern void dt_buffered_disable(dtrace_hdl_t *);
617extern void dt_buffered_destroy(dtrace_hdl_t *);
618
619extern uint64_t dt_stddev(uint64_t *, uint64_t);
620
621extern int dt_rw_read_held(pthread_rwlock_t *);
622extern int dt_rw_write_held(pthread_rwlock_t *);
623extern int dt_mutex_held(pthread_mutex_t *);
624extern int dt_options_load(dtrace_hdl_t *);
625
626#define DT_RW_READ_HELD(x) dt_rw_read_held(x)
627#define DT_RW_WRITE_HELD(x) dt_rw_write_held(x)
628#define DT_RW_LOCK_HELD(x) (DT_RW_READ_HELD(x) || DT_RW_WRITE_HELD(x))
629#define DT_MUTEX_HELD(x) dt_mutex_held(x)
630
631extern void dt_dprintf(const char *, ...);
632
633extern void dt_setcontext(dtrace_hdl_t *, dtrace_probedesc_t *);
634extern void dt_endcontext(dtrace_hdl_t *);
635
636extern void dt_pragma(dt_node_t *);
637extern int dt_reduce(dtrace_hdl_t *, dt_version_t);
638extern void dt_cg(dt_pcb_t *, dt_node_t *);
639extern dtrace_difo_t *dt_as(dt_pcb_t *);
640extern void dt_dis(const dtrace_difo_t *, FILE *);
641
642extern int dt_aggregate_go(dtrace_hdl_t *);
643extern int dt_aggregate_init(dtrace_hdl_t *);
644extern void dt_aggregate_destroy(dtrace_hdl_t *);
645
646extern int dt_epid_lookup(dtrace_hdl_t *, dtrace_epid_t,
647 dtrace_eprobedesc_t **, dtrace_probedesc_t **);
648extern void dt_epid_destroy(dtrace_hdl_t *);
649extern int dt_aggid_lookup(dtrace_hdl_t *, dtrace_aggid_t, dtrace_aggdesc_t **);
650extern void dt_aggid_destroy(dtrace_hdl_t *);
651
652extern void *dt_format_lookup(dtrace_hdl_t *, int);
653extern void dt_format_destroy(dtrace_hdl_t *);
654
655extern const char *dt_strdata_lookup(dtrace_hdl_t *, int);
656extern void dt_strdata_destroy(dtrace_hdl_t *);
657
658extern int dt_print_quantize(dtrace_hdl_t *, FILE *,
659 const void *, size_t, uint64_t);
660extern int dt_print_lquantize(dtrace_hdl_t *, FILE *,
661 const void *, size_t, uint64_t);
662extern int dt_print_llquantize(dtrace_hdl_t *, FILE *,
663 const void *, size_t, uint64_t);
664extern int dt_print_agg(const dtrace_aggdata_t *, void *);
665
666extern int dt_handle(dtrace_hdl_t *, dtrace_probedata_t *);
667extern int dt_handle_liberr(dtrace_hdl_t *,
668 const dtrace_probedata_t *, const char *);
669extern int dt_handle_cpudrop(dtrace_hdl_t *, processorid_t,
670 dtrace_dropkind_t, uint64_t);
671extern int dt_handle_status(dtrace_hdl_t *,
672 dtrace_status_t *, dtrace_status_t *);
673extern int dt_handle_setopt(dtrace_hdl_t *, dtrace_setoptdata_t *);
674
675extern int dt_lib_depend_add(dtrace_hdl_t *, dt_list_t *, const char *);
676extern dt_lib_depend_t *dt_lib_depend_lookup(dt_list_t *, const char *);
677
678extern dt_pcb_t *yypcb; /* pointer to current parser control block */
679extern char yyintprefix; /* int token prefix for macros (+/-) */
680extern char yyintsuffix[4]; /* int token suffix ([uUlL]*) */
681extern int yyintdecimal; /* int token is decimal (1) or octal/hex (0) */
682extern char yytext[]; /* lex input buffer */
683extern int yylineno; /* lex line number */
684extern int yydebug; /* lex debugging */
685extern dt_node_t *yypragma; /* lex token list for control lines */
686
687extern const dtrace_attribute_t _dtrace_maxattr; /* maximum attributes */
688extern const dtrace_attribute_t _dtrace_defattr; /* default attributes */
689extern const dtrace_attribute_t _dtrace_symattr; /* symbol ref attributes */
690extern const dtrace_attribute_t _dtrace_typattr; /* type ref attributes */
691extern const dtrace_attribute_t _dtrace_prvattr; /* provider attributes */
692extern const dtrace_pattr_t _dtrace_prvdesc; /* provider attribute bundle */
693
694extern const dt_version_t _dtrace_versions[]; /* array of valid versions */
695extern const char *const _dtrace_version; /* current version string */
696
697extern int _dtrace_strbuckets; /* number of hash buckets for strings */
698extern int _dtrace_intbuckets; /* number of hash buckets for ints */
699extern uint_t _dtrace_stkindent; /* default indent for stack/ustack */
700extern uint_t _dtrace_pidbuckets; /* number of hash buckets for pids */
701extern uint_t _dtrace_pidlrulim; /* number of proc handles to cache */
702extern int _dtrace_debug; /* debugging messages enabled */
703extern size_t _dtrace_bufsize; /* default dt_buf_create() size */
704extern int _dtrace_argmax; /* default maximum probe arguments */
705
706extern const char *_dtrace_libdir; /* default library directory */
707extern const char *_dtrace_moddir; /* default kernel module directory */
708
709#ifdef __cplusplus
710}
711#endif
712
713#endif /* _DT_IMPL_H */
| 557};
558
559/*
560 * Interfaces for parsing and comparing DTrace attribute tuples, which describe
561 * stability and architectural binding information. The dtrace_attribute_t
562 * structure and associated constant definitions are found in <sys/dtrace.h>.
563 */
564extern dtrace_attribute_t dt_attr_min(dtrace_attribute_t, dtrace_attribute_t);
565extern dtrace_attribute_t dt_attr_max(dtrace_attribute_t, dtrace_attribute_t);
566extern char *dt_attr_str(dtrace_attribute_t, char *, size_t);
567extern int dt_attr_cmp(dtrace_attribute_t, dtrace_attribute_t);
568
569/*
570 * Interfaces for parsing and handling DTrace version strings. Version binding
571 * is a feature of the D compiler that is handled completely independently of
572 * the DTrace kernel infrastructure, so the definitions are here in libdtrace.
573 * Version strings are compiled into an encoded uint32_t which can be compared
574 * using C comparison operators. Version definitions are found in dt_open.c.
575 */
576#define DT_VERSION_STRMAX 16 /* enough for "255.4095.4095\0" */
577#define DT_VERSION_MAJMAX 0xFF /* maximum major version number */
578#define DT_VERSION_MINMAX 0xFFF /* maximum minor version number */
579#define DT_VERSION_MICMAX 0xFFF /* maximum micro version number */
580
581#define DT_VERSION_NUMBER(M, m, u) \
582 ((((M) & 0xFF) << 24) | (((m) & 0xFFF) << 12) | ((u) & 0xFFF))
583
584#define DT_VERSION_MAJOR(v) (((v) & 0xFF000000) >> 24)
585#define DT_VERSION_MINOR(v) (((v) & 0x00FFF000) >> 12)
586#define DT_VERSION_MICRO(v) ((v) & 0x00000FFF)
587
588extern char *dt_version_num2str(dt_version_t, char *, size_t);
589extern int dt_version_str2num(const char *, dt_version_t *);
590extern int dt_version_defined(dt_version_t);
591
592/*
593 * Miscellaneous internal libdtrace interfaces. The definitions below are for
594 * libdtrace routines that do not yet merit their own separate header file.
595 */
596extern char *dt_cpp_add_arg(dtrace_hdl_t *, const char *);
597extern char *dt_cpp_pop_arg(dtrace_hdl_t *);
598
599#if defined(sun)
600extern int dt_set_errno(dtrace_hdl_t *, int);
601#else
602int _dt_set_errno(dtrace_hdl_t *, int, const char *, int);
603void dt_get_errloc(dtrace_hdl_t *, const char **, int *);
604#define dt_set_errno(_a,_b) _dt_set_errno(_a,_b,__FILE__,__LINE__)
605#endif
606extern void dt_set_errmsg(dtrace_hdl_t *, const char *, const char *,
607 const char *, int, const char *, va_list);
608
609#if defined(sun)
610extern int dt_ioctl(dtrace_hdl_t *, int, void *);
611#else
612extern int dt_ioctl(dtrace_hdl_t *, u_long, void *);
613#endif
614extern int dt_status(dtrace_hdl_t *, processorid_t);
615extern long dt_sysconf(dtrace_hdl_t *, int);
616extern ssize_t dt_write(dtrace_hdl_t *, int, const void *, size_t);
617extern int dt_printf(dtrace_hdl_t *, FILE *, const char *, ...);
618
619extern void *dt_zalloc(dtrace_hdl_t *, size_t);
620extern void *dt_alloc(dtrace_hdl_t *, size_t);
621extern void dt_free(dtrace_hdl_t *, void *);
622extern void dt_difo_free(dtrace_hdl_t *, dtrace_difo_t *);
623
624extern int dt_gmatch(const char *, const char *);
625extern char *dt_basename(char *);
626
627extern ulong_t dt_popc(ulong_t);
628extern ulong_t dt_popcb(const ulong_t *, ulong_t);
629
630extern int dt_buffered_enable(dtrace_hdl_t *);
631extern int dt_buffered_flush(dtrace_hdl_t *, dtrace_probedata_t *,
632 const dtrace_recdesc_t *, const dtrace_aggdata_t *, uint32_t flags);
633extern void dt_buffered_disable(dtrace_hdl_t *);
634extern void dt_buffered_destroy(dtrace_hdl_t *);
635
636extern uint64_t dt_stddev(uint64_t *, uint64_t);
637
638extern int dt_rw_read_held(pthread_rwlock_t *);
639extern int dt_rw_write_held(pthread_rwlock_t *);
640extern int dt_mutex_held(pthread_mutex_t *);
641extern int dt_options_load(dtrace_hdl_t *);
642
643#define DT_RW_READ_HELD(x) dt_rw_read_held(x)
644#define DT_RW_WRITE_HELD(x) dt_rw_write_held(x)
645#define DT_RW_LOCK_HELD(x) (DT_RW_READ_HELD(x) || DT_RW_WRITE_HELD(x))
646#define DT_MUTEX_HELD(x) dt_mutex_held(x)
647
648extern void dt_dprintf(const char *, ...);
649
650extern void dt_setcontext(dtrace_hdl_t *, dtrace_probedesc_t *);
651extern void dt_endcontext(dtrace_hdl_t *);
652
653extern void dt_pragma(dt_node_t *);
654extern int dt_reduce(dtrace_hdl_t *, dt_version_t);
655extern void dt_cg(dt_pcb_t *, dt_node_t *);
656extern dtrace_difo_t *dt_as(dt_pcb_t *);
657extern void dt_dis(const dtrace_difo_t *, FILE *);
658
659extern int dt_aggregate_go(dtrace_hdl_t *);
660extern int dt_aggregate_init(dtrace_hdl_t *);
661extern void dt_aggregate_destroy(dtrace_hdl_t *);
662
663extern int dt_epid_lookup(dtrace_hdl_t *, dtrace_epid_t,
664 dtrace_eprobedesc_t **, dtrace_probedesc_t **);
665extern void dt_epid_destroy(dtrace_hdl_t *);
666extern int dt_aggid_lookup(dtrace_hdl_t *, dtrace_aggid_t, dtrace_aggdesc_t **);
667extern void dt_aggid_destroy(dtrace_hdl_t *);
668
669extern void *dt_format_lookup(dtrace_hdl_t *, int);
670extern void dt_format_destroy(dtrace_hdl_t *);
671
672extern const char *dt_strdata_lookup(dtrace_hdl_t *, int);
673extern void dt_strdata_destroy(dtrace_hdl_t *);
674
675extern int dt_print_quantize(dtrace_hdl_t *, FILE *,
676 const void *, size_t, uint64_t);
677extern int dt_print_lquantize(dtrace_hdl_t *, FILE *,
678 const void *, size_t, uint64_t);
679extern int dt_print_llquantize(dtrace_hdl_t *, FILE *,
680 const void *, size_t, uint64_t);
681extern int dt_print_agg(const dtrace_aggdata_t *, void *);
682
683extern int dt_handle(dtrace_hdl_t *, dtrace_probedata_t *);
684extern int dt_handle_liberr(dtrace_hdl_t *,
685 const dtrace_probedata_t *, const char *);
686extern int dt_handle_cpudrop(dtrace_hdl_t *, processorid_t,
687 dtrace_dropkind_t, uint64_t);
688extern int dt_handle_status(dtrace_hdl_t *,
689 dtrace_status_t *, dtrace_status_t *);
690extern int dt_handle_setopt(dtrace_hdl_t *, dtrace_setoptdata_t *);
691
692extern int dt_lib_depend_add(dtrace_hdl_t *, dt_list_t *, const char *);
693extern dt_lib_depend_t *dt_lib_depend_lookup(dt_list_t *, const char *);
694
695extern dt_pcb_t *yypcb; /* pointer to current parser control block */
696extern char yyintprefix; /* int token prefix for macros (+/-) */
697extern char yyintsuffix[4]; /* int token suffix ([uUlL]*) */
698extern int yyintdecimal; /* int token is decimal (1) or octal/hex (0) */
699extern char yytext[]; /* lex input buffer */
700extern int yylineno; /* lex line number */
701extern int yydebug; /* lex debugging */
702extern dt_node_t *yypragma; /* lex token list for control lines */
703
704extern const dtrace_attribute_t _dtrace_maxattr; /* maximum attributes */
705extern const dtrace_attribute_t _dtrace_defattr; /* default attributes */
706extern const dtrace_attribute_t _dtrace_symattr; /* symbol ref attributes */
707extern const dtrace_attribute_t _dtrace_typattr; /* type ref attributes */
708extern const dtrace_attribute_t _dtrace_prvattr; /* provider attributes */
709extern const dtrace_pattr_t _dtrace_prvdesc; /* provider attribute bundle */
710
711extern const dt_version_t _dtrace_versions[]; /* array of valid versions */
712extern const char *const _dtrace_version; /* current version string */
713
714extern int _dtrace_strbuckets; /* number of hash buckets for strings */
715extern int _dtrace_intbuckets; /* number of hash buckets for ints */
716extern uint_t _dtrace_stkindent; /* default indent for stack/ustack */
717extern uint_t _dtrace_pidbuckets; /* number of hash buckets for pids */
718extern uint_t _dtrace_pidlrulim; /* number of proc handles to cache */
719extern int _dtrace_debug; /* debugging messages enabled */
720extern size_t _dtrace_bufsize; /* default dt_buf_create() size */
721extern int _dtrace_argmax; /* default maximum probe arguments */
722
723extern const char *_dtrace_libdir; /* default library directory */
724extern const char *_dtrace_moddir; /* default kernel module directory */
725
726#ifdef __cplusplus
727}
728#endif
729
730#endif /* _DT_IMPL_H */
|