1 0 stevel /* 2 0 stevel * CDDL HEADER START 3 0 stevel * 4 0 stevel * The contents of this file are subject to the terms of the 5 1677 dp * Common Development and Distribution License (the "License"). 6 1677 dp * You may not use this file except in compliance with the License. 7 0 stevel * 8 0 stevel * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 0 stevel * or http://www.opensolaris.org/os/licensing. 10 0 stevel * See the License for the specific language governing permissions 11 0 stevel * and limitations under the License. 12 0 stevel * 13 0 stevel * When distributing Covered Code, include this CDDL HEADER in each 14 0 stevel * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 0 stevel * If applicable, add the following below this CDDL HEADER, with the 16 0 stevel * fields enclosed by brackets "[]" replaced with your own identifying 17 0 stevel * information: Portions Copyright [yyyy] [name of copyright owner] 18 0 stevel * 19 0 stevel * CDDL HEADER END 20 0 stevel */ 21 6390 ahl 22 0 stevel /* 23 8803 Jonathan * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 0 stevel * Use is subject to license terms. 25 0 stevel */ 26 0 stevel 27 0 stevel #ifndef _DT_IMPL_H 28 0 stevel #define _DT_IMPL_H 29 0 stevel 30 0 stevel #include <sys/param.h> 31 0 stevel #include <sys/objfs.h> 32 0 stevel #include <setjmp.h> 33 0 stevel #include <libctf.h> 34 0 stevel #include <dtrace.h> 35 0 stevel #include <gelf.h> 36 0 stevel 37 0 stevel #ifdef __cplusplus 38 0 stevel extern "C" { 39 0 stevel #endif 40 0 stevel 41 0 stevel #include <dt_parser.h> 42 0 stevel #include <dt_regset.h> 43 0 stevel #include <dt_inttab.h> 44 0 stevel #include <dt_strtab.h> 45 0 stevel #include <dt_ident.h> 46 0 stevel #include <dt_list.h> 47 0 stevel #include <dt_decl.h> 48 0 stevel #include <dt_as.h> 49 0 stevel #include <dt_proc.h> 50 0 stevel #include <dt_dof.h> 51 0 stevel #include <dt_pcb.h> 52 0 stevel 53 0 stevel struct dt_module; /* see below */ 54 0 stevel struct dt_pfdict; /* see <dt_printf.h> */ 55 0 stevel struct dt_arg; /* see below */ 56 0 stevel struct dt_provider; /* see <dt_provider.h> */ 57 265 mws struct dt_xlator; /* see <dt_xlator.h> */ 58 0 stevel 59 0 stevel typedef struct dt_intrinsic { 60 0 stevel const char *din_name; /* string name of the intrinsic type */ 61 0 stevel ctf_encoding_t din_data; /* integer or floating-point CTF encoding */ 62 0 stevel uint_t din_kind; /* CTF type kind to instantiate */ 63 0 stevel } dt_intrinsic_t; 64 0 stevel 65 0 stevel typedef struct dt_typedef { 66 0 stevel const char *dty_src; /* string name of typedef source type */ 67 0 stevel const char *dty_dst; /* string name of typedef destination type */ 68 0 stevel } dt_typedef_t; 69 0 stevel 70 0 stevel typedef struct dt_intdesc { 71 0 stevel const char *did_name; /* string name of the integer type */ 72 0 stevel ctf_file_t *did_ctfp; /* CTF container for this type reference */ 73 0 stevel ctf_id_t did_type; /* CTF type reference for this type */ 74 0 stevel uintmax_t did_limit; /* maximum positive value held by type */ 75 0 stevel } dt_intdesc_t; 76 0 stevel 77 0 stevel typedef struct dt_modops { 78 0 stevel uint_t (*do_syminit)(struct dt_module *); 79 0 stevel void (*do_symsort)(struct dt_module *); 80 0 stevel GElf_Sym *(*do_symname)(struct dt_module *, 81 0 stevel const char *, GElf_Sym *, uint_t *); 82 0 stevel GElf_Sym *(*do_symaddr)(struct dt_module *, 83 0 stevel GElf_Addr, GElf_Sym *, uint_t *); 84 0 stevel } dt_modops_t; 85 0 stevel 86 0 stevel typedef struct dt_arg { 87 0 stevel int da_ndx; /* index of this argument */ 88 0 stevel int da_mapping; /* mapping of argument indices to arguments */ 89 0 stevel ctf_id_t da_type; /* type of argument */ 90 0 stevel ctf_file_t *da_ctfp; /* CTF container for type */ 91 0 stevel dt_ident_t *da_xlator; /* translator, if any */ 92 0 stevel struct dt_arg *da_next; /* next argument */ 93 0 stevel } dt_arg_t; 94 0 stevel 95 0 stevel typedef struct dt_sym { 96 0 stevel uint_t ds_symid; /* id of corresponding symbol */ 97 0 stevel uint_t ds_next; /* index of next element in hash chain */ 98 0 stevel } dt_sym_t; 99 0 stevel 100 0 stevel typedef struct dt_module { 101 0 stevel dt_list_t dm_list; /* list forward/back pointers */ 102 0 stevel char dm_name[DTRACE_MODNAMELEN]; /* string name of module */ 103 0 stevel char dm_file[MAXPATHLEN]; /* file path of module (if any) */ 104 0 stevel struct dt_module *dm_next; /* pointer to next module in hash chain */ 105 0 stevel const dt_modops_t *dm_ops; /* pointer to data model's ops vector */ 106 0 stevel Elf *dm_elf; /* libelf handle for module object */ 107 0 stevel objfs_info_t dm_info; /* object filesystem private info */ 108 0 stevel ctf_sect_t dm_symtab; /* symbol table for module */ 109 0 stevel ctf_sect_t dm_strtab; /* string table for module */ 110 0 stevel ctf_sect_t dm_ctdata; /* CTF data for module */ 111 0 stevel ctf_file_t *dm_ctfp; /* CTF container handle */ 112 0 stevel uint_t *dm_symbuckets; /* symbol table hash buckets (chain indices) */ 113 0 stevel dt_sym_t *dm_symchains; /* symbol table hash chains buffer */ 114 0 stevel void *dm_asmap; /* symbol pointers sorted by value */ 115 0 stevel uint_t dm_symfree; /* index of next free hash element */ 116 0 stevel uint_t dm_nsymbuckets; /* number of elements in bucket array */ 117 0 stevel uint_t dm_nsymelems; /* number of elements in hash table */ 118 0 stevel uint_t dm_asrsv; /* actual reserved size of dm_asmap */ 119 0 stevel uint_t dm_aslen; /* number of entries in dm_asmap */ 120 0 stevel uint_t dm_flags; /* module flags (see below) */ 121 0 stevel int dm_modid; /* modinfo(1M) module identifier */ 122 0 stevel GElf_Addr dm_text_va; /* virtual address of text section */ 123 0 stevel GElf_Xword dm_text_size; /* size in bytes of text section */ 124 0 stevel GElf_Addr dm_data_va; /* virtual address of data section */ 125 0 stevel GElf_Xword dm_data_size; /* size in bytes of data section */ 126 0 stevel GElf_Addr dm_bss_va; /* virtual address of BSS */ 127 0 stevel GElf_Xword dm_bss_size; /* size in bytes of BSS */ 128 0 stevel dt_idhash_t *dm_extern; /* external symbol definitions */ 129 0 stevel } dt_module_t; 130 0 stevel 131 0 stevel #define DT_DM_LOADED 0x1 /* module symbol and type data is loaded */ 132 0 stevel #define DT_DM_KERNEL 0x2 /* module is associated with a kernel object */ 133 0 stevel #define DT_DM_PRIMARY 0x4 /* module is a krtld primary kernel object */ 134 0 stevel 135 0 stevel typedef struct dt_provmod { 136 0 stevel char *dp_name; /* name of provider module */ 137 0 stevel struct dt_provmod *dp_next; /* next module */ 138 0 stevel } dt_provmod_t; 139 0 stevel 140 0 stevel typedef struct dt_ahashent { 141 0 stevel struct dt_ahashent *dtahe_prev; /* prev on hash chain */ 142 0 stevel struct dt_ahashent *dtahe_next; /* next on hash chain */ 143 0 stevel struct dt_ahashent *dtahe_prevall; /* prev on list of all */ 144 0 stevel struct dt_ahashent *dtahe_nextall; /* next on list of all */ 145 0 stevel uint64_t dtahe_hashval; /* hash value */ 146 0 stevel size_t dtahe_size; /* size of data */ 147 0 stevel dtrace_aggdata_t dtahe_data; /* data */ 148 491 bmc void (*dtahe_aggregate)(int64_t *, int64_t *, size_t); /* function */ 149 0 stevel } dt_ahashent_t; 150 0 stevel 151 0 stevel typedef struct dt_ahash { 152 0 stevel dt_ahashent_t **dtah_hash; /* hash table */ 153 0 stevel dt_ahashent_t *dtah_all; /* list of all elements */ 154 0 stevel size_t dtah_size; /* size of hash table */ 155 0 stevel } dt_ahash_t; 156 0 stevel 157 0 stevel typedef struct dt_aggregate { 158 0 stevel dtrace_bufdesc_t dtat_buf; /* buf aggregation snapshot */ 159 0 stevel int dtat_flags; /* aggregate flags */ 160 0 stevel processorid_t dtat_ncpus; /* number of CPUs in aggregate */ 161 0 stevel processorid_t *dtat_cpus; /* CPUs in aggregate */ 162 0 stevel processorid_t dtat_ncpu; /* size of dtat_cpus array */ 163 0 stevel processorid_t dtat_maxcpu; /* maximum number of CPUs */ 164 0 stevel dt_ahash_t dtat_hash; /* aggregate hash table */ 165 0 stevel } dt_aggregate_t; 166 0 stevel 167 0 stevel typedef struct dt_print_aggdata { 168 0 stevel dtrace_hdl_t *dtpa_dtp; /* pointer to libdtrace handle */ 169 0 stevel dtrace_aggvarid_t dtpa_id; /* aggregation variable of interest */ 170 0 stevel FILE *dtpa_fp; /* file pointer */ 171 0 stevel int dtpa_allunprint; /* print only unprinted aggregations */ 172 0 stevel } dt_print_aggdata_t; 173 0 stevel 174 0 stevel typedef struct dt_dirpath { 175 0 stevel dt_list_t dir_list; /* linked-list forward/back pointers */ 176 0 stevel char *dir_path; /* directory pathname */ 177 0 stevel } dt_dirpath_t; 178 0 stevel 179 5478 jhaslam typedef struct dt_lib_depend { 180 5478 jhaslam dt_list_t dtld_deplist; /* linked-list forward/back pointers */ 181 5478 jhaslam char *dtld_library; /* library name */ 182 5478 jhaslam char *dtld_libpath; /* library pathname */ 183 5478 jhaslam uint_t dtld_finish; /* completion time in tsort for lib */ 184 5478 jhaslam uint_t dtld_start; /* starting time in tsort for lib */ 185 6390 ahl uint_t dtld_loaded; /* boolean: is this library loaded */ 186 5478 jhaslam dt_list_t dtld_dependencies; /* linked-list of lib dependencies */ 187 5478 jhaslam dt_list_t dtld_dependents; /* linked-list of lib dependents */ 188 5478 jhaslam } dt_lib_depend_t; 189 5478 jhaslam 190 0 stevel typedef uint32_t dt_version_t; /* encoded version (see below) */ 191 0 stevel 192 0 stevel struct dtrace_hdl { 193 0 stevel const dtrace_vector_t *dt_vector; /* library vector, if vectored open */ 194 0 stevel void *dt_varg; /* vector argument, if vectored open */ 195 0 stevel dtrace_conf_t dt_conf; /* DTrace driver configuration profile */ 196 0 stevel char dt_errmsg[BUFSIZ]; /* buffer for formatted syntax error msgs */ 197 0 stevel const char *dt_errtag; /* tag used with last call to dt_set_errmsg() */ 198 0 stevel dt_pcb_t *dt_pcb; /* pointer to current parsing control block */ 199 0 stevel ulong_t dt_gen; /* compiler generation number */ 200 0 stevel dt_list_t dt_programs; /* linked list of dtrace_prog_t's */ 201 0 stevel dt_list_t dt_xlators; /* linked list of dt_xlator_t's */ 202 265 mws struct dt_xlator **dt_xlatormap; /* dt_xlator_t's indexed by dx_id */ 203 265 mws id_t dt_xlatorid; /* next dt_xlator_t id to assign */ 204 0 stevel dt_ident_t *dt_externs; /* linked list of external symbol identifiers */ 205 0 stevel dt_idhash_t *dt_macros; /* hash table of macro variable identifiers */ 206 0 stevel dt_idhash_t *dt_aggs; /* hash table of aggregation identifiers */ 207 0 stevel dt_idhash_t *dt_globals; /* hash table of global identifiers */ 208 0 stevel dt_idhash_t *dt_tls; /* hash table of thread-local identifiers */ 209 0 stevel dt_list_t dt_modlist; /* linked list of dt_module_t's */ 210 0 stevel dt_module_t **dt_mods; /* hash table of dt_module_t's */ 211 0 stevel uint_t dt_modbuckets; /* number of module hash buckets */ 212 0 stevel uint_t dt_nmods; /* number of modules in hash and list */ 213 0 stevel dt_provmod_t *dt_provmod; /* linked list of provider modules */ 214 0 stevel dt_module_t *dt_exec; /* pointer to executable module */ 215 0 stevel dt_module_t *dt_rtld; /* pointer to run-time linker module */ 216 0 stevel dt_module_t *dt_cdefs; /* pointer to C dynamic type module */ 217 0 stevel dt_module_t *dt_ddefs; /* pointer to D dynamic type module */ 218 0 stevel dt_list_t dt_provlist; /* linked list of dt_provider_t's */ 219 0 stevel struct dt_provider **dt_provs; /* hash table of dt_provider_t's */ 220 0 stevel uint_t dt_provbuckets; /* number of provider hash buckets */ 221 0 stevel uint_t dt_nprovs; /* number of providers in hash and list */ 222 0 stevel dt_proc_hash_t *dt_procs; /* hash table of grabbed process handles */ 223 0 stevel dt_intdesc_t dt_ints[6]; /* cached integer type descriptions */ 224 0 stevel ctf_id_t dt_type_func; /* cached CTF identifier for function type */ 225 0 stevel ctf_id_t dt_type_fptr; /* cached CTF identifier for function pointer */ 226 0 stevel ctf_id_t dt_type_str; /* cached CTF identifier for string type */ 227 0 stevel ctf_id_t dt_type_dyn; /* cached CTF identifier for <DYN> type */ 228 0 stevel ctf_id_t dt_type_stack; /* cached CTF identifier for stack type */ 229 457 bmc ctf_id_t dt_type_symaddr; /* cached CTF identifier for _symaddr type */ 230 457 bmc ctf_id_t dt_type_usymaddr; /* cached CTF ident. for _usymaddr type */ 231 0 stevel size_t dt_maxprobe; /* max enabled probe ID */ 232 0 stevel dtrace_eprobedesc_t **dt_edesc; /* enabled probe descriptions */ 233 0 stevel dtrace_probedesc_t **dt_pdesc; /* probe descriptions for enabled prbs */ 234 0 stevel size_t dt_maxagg; /* max aggregation ID */ 235 0 stevel dtrace_aggdesc_t **dt_aggdesc; /* aggregation descriptions */ 236 0 stevel int dt_maxformat; /* max format ID */ 237 0 stevel void **dt_formats; /* pointer to format array */ 238 0 stevel dt_aggregate_t dt_aggregate; /* aggregate */ 239 0 stevel dtrace_bufdesc_t dt_buf; /* staging buffer */ 240 0 stevel struct dt_pfdict *dt_pfdict; /* dictionary of printf conversions */ 241 0 stevel dt_version_t dt_vmax; /* optional ceiling on program API binding */ 242 0 stevel dtrace_attribute_t dt_amin; /* optional floor on program attributes */ 243 0 stevel char *dt_cpp_path; /* pathname of cpp(1) to invoke if needed */ 244 0 stevel char **dt_cpp_argv; /* argument vector for exec'ing cpp(1) */ 245 0 stevel int dt_cpp_argc; /* count of initialized cpp(1) arguments */ 246 0 stevel int dt_cpp_args; /* size of dt_cpp_argv[] array */ 247 0 stevel char *dt_ld_path; /* pathname of ld(1) to invoke if needed */ 248 0 stevel dt_list_t dt_lib_path; /* linked-list forming library search path */ 249 0 stevel uint_t dt_lazyload; /* boolean: set via -xlazyload */ 250 457 bmc uint_t dt_droptags; /* boolean: set via -xdroptags */ 251 0 stevel uint_t dt_active; /* boolean: set once tracing is active */ 252 0 stevel uint_t dt_stopped; /* boolean: set once tracing is stopped */ 253 0 stevel processorid_t dt_beganon; /* CPU that executed BEGIN probe (if any) */ 254 0 stevel processorid_t dt_endedon; /* CPU that executed END probe (if any) */ 255 0 stevel uint_t dt_oflags; /* dtrace open-time options (see dtrace.h) */ 256 0 stevel uint_t dt_cflags; /* dtrace compile-time options (see dtrace.h) */ 257 0 stevel uint_t dt_dflags; /* dtrace link-time options (see dtrace.h) */ 258 0 stevel uint_t dt_prcmode; /* dtrace process create mode (see dt_proc.h) */ 259 0 stevel uint_t dt_linkmode; /* dtrace symbol linking mode (see below) */ 260 0 stevel uint_t dt_linktype; /* dtrace link output file type (see below) */ 261 265 mws uint_t dt_xlatemode; /* dtrace translator linking mode (see below) */ 262 0 stevel uint_t dt_stdcmode; /* dtrace stdc compatibility mode (see below) */ 263 0 stevel uint_t dt_treedump; /* dtrace tree debug bitmap (see below) */ 264 0 stevel uint64_t dt_options[DTRACEOPT_MAX]; /* dtrace run-time options */ 265 0 stevel int dt_version; /* library version requested by client */ 266 0 stevel int dt_ctferr; /* error resulting from last CTF failure */ 267 0 stevel int dt_errno; /* error resulting from last failed operation */ 268 0 stevel int dt_fd; /* file descriptor for dtrace pseudo-device */ 269 0 stevel int dt_ftfd; /* file descriptor for fasttrap pseudo-device */ 270 0 stevel int dt_fterr; /* saved errno from failed open of dt_ftfd */ 271 0 stevel int dt_cdefs_fd; /* file descriptor for C CTF debugging cache */ 272 0 stevel int dt_ddefs_fd; /* file descriptor for D CTF debugging cache */ 273 0 stevel int dt_stdout_fd; /* file descriptor for saved stdout */ 274 0 stevel dtrace_handle_err_f *dt_errhdlr; /* error handler, if any */ 275 0 stevel void *dt_errarg; /* error handler argument */ 276 0 stevel dtrace_prog_t *dt_errprog; /* error handler program, if any */ 277 0 stevel dtrace_handle_drop_f *dt_drophdlr; /* drop handler, if any */ 278 0 stevel void *dt_droparg; /* drop handler argument */ 279 0 stevel dtrace_handle_proc_f *dt_prochdlr; /* proc handler, if any */ 280 0 stevel void *dt_procarg; /* proc handler argument */ 281 457 bmc dtrace_handle_setopt_f *dt_setopthdlr; /* setopt handler, if any */ 282 457 bmc void *dt_setoptarg; /* setopt handler argument */ 283 0 stevel dtrace_status_t dt_status[2]; /* status cache */ 284 0 stevel int dt_statusgen; /* current status generation */ 285 0 stevel hrtime_t dt_laststatus; /* last status */ 286 0 stevel hrtime_t dt_lastswitch; /* last switch of buffer data */ 287 0 stevel hrtime_t dt_lastagg; /* last snapshot of aggregation data */ 288 0 stevel char *dt_sprintf_buf; /* buffer for dtrace_sprintf() */ 289 0 stevel int dt_sprintf_buflen; /* length of dtrace_sprintf() buffer */ 290 0 stevel const char *dt_filetag; /* default filetag for dt_set_errmsg() */ 291 0 stevel char *dt_buffered_buf; /* buffer for buffered output */ 292 0 stevel size_t dt_buffered_offs; /* current offset into buffered buffer */ 293 0 stevel size_t dt_buffered_size; /* size of buffered buffer */ 294 0 stevel dtrace_handle_buffered_f *dt_bufhdlr; /* buffered handler, if any */ 295 0 stevel void *dt_bufarg; /* buffered handler argument */ 296 0 stevel dt_dof_t dt_dof; /* DOF generation buffers (see dt_dof.c) */ 297 0 stevel struct utsname dt_uts; /* uname(2) information for system */ 298 5478 jhaslam dt_list_t dt_lib_dep; /* scratch linked-list of lib dependencies */ 299 5478 jhaslam dt_list_t dt_lib_dep_sorted; /* dependency sorted library list */ 300 0 stevel }; 301 0 stevel 302 0 stevel /* 303 0 stevel * Values for the user arg of the ECB. 304 0 stevel */ 305 0 stevel #define DT_ECB_DEFAULT 0 306 0 stevel #define DT_ECB_ERROR 1 307 0 stevel 308 0 stevel /* 309 0 stevel * Values for the dt_linkmode property, which is used by the assembler when 310 0 stevel * processing external symbol references. User can set using -xlink=<mode>. 311 0 stevel */ 312 0 stevel #define DT_LINK_KERNEL 0 /* kernel syms static, user syms dynamic */ 313 0 stevel #define DT_LINK_PRIMARY 1 /* primary kernel syms static, others dynamic */ 314 0 stevel #define DT_LINK_DYNAMIC 2 /* all symbols dynamic */ 315 0 stevel #define DT_LINK_STATIC 3 /* all symbols static */ 316 0 stevel 317 0 stevel /* 318 0 stevel * Values for the dt_linktype property, which is used by dtrace_program_link() 319 0 stevel * to determine the type of output file that is desired by the client. 320 0 stevel */ 321 0 stevel #define DT_LTYP_ELF 0 /* produce ELF containing DOF */ 322 0 stevel #define DT_LTYP_DOF 1 /* produce stand-alone DOF */ 323 0 stevel 324 0 stevel /* 325 265 mws * Values for the dt_xlatemode property, which is used to determine whether 326 265 mws * references to dynamic translators are permitted. Set using -xlate=<mode>. 327 265 mws */ 328 265 mws #define DT_XL_STATIC 0 /* require xlators to be statically defined */ 329 265 mws #define DT_XL_DYNAMIC 1 /* produce references to dynamic translators */ 330 265 mws 331 265 mws /* 332 0 stevel * Values for the dt_stdcmode property, which is used by the compiler when 333 0 stevel * running cpp to determine the presence and setting of the __STDC__ macro. 334 0 stevel */ 335 0 stevel #define DT_STDC_XA 0 /* ISO C + K&R C compat w/o ISO: __STDC__=0 */ 336 0 stevel #define DT_STDC_XC 1 /* Strict ISO C: __STDC__=1 */ 337 0 stevel #define DT_STDC_XS 2 /* K&R C: __STDC__ not defined */ 338 0 stevel #define DT_STDC_XT 3 /* ISO C + K&R C compat with ISO: __STDC__=0 */ 339 0 stevel 340 0 stevel /* 341 0 stevel * Macro to test whether a given pass bit is set in the dt_treedump bit-vector. 342 0 stevel * If the bit for pass 'p' is set, the D compiler displays the parse tree for 343 0 stevel * the program by printing it to stderr at the end of compiler pass 'p'. 344 0 stevel */ 345 0 stevel #define DT_TREEDUMP_PASS(dtp, p) ((dtp)->dt_treedump & (1 << ((p) - 1))) 346 0 stevel 347 0 stevel /* 348 0 stevel * Macros for accessing the cached CTF container and type ID for the common 349 0 stevel * types "int", "string", and <DYN>, which we need to use frequently in the D 350 0 stevel * compiler. The DT_INT_* macro relies upon "int" being at index 0 in the 351 0 stevel * _dtrace_ints_* tables in dt_open.c; the others are also set up there. 352 0 stevel */ 353 0 stevel #define DT_INT_CTFP(dtp) ((dtp)->dt_ints[0].did_ctfp) 354 0 stevel #define DT_INT_TYPE(dtp) ((dtp)->dt_ints[0].did_type) 355 0 stevel 356 0 stevel #define DT_FUNC_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp) 357 0 stevel #define DT_FUNC_TYPE(dtp) ((dtp)->dt_type_func) 358 0 stevel 359 0 stevel #define DT_FPTR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp) 360 0 stevel #define DT_FPTR_TYPE(dtp) ((dtp)->dt_type_fptr) 361 0 stevel 362 0 stevel #define DT_STR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp) 363 0 stevel #define DT_STR_TYPE(dtp) ((dtp)->dt_type_str) 364 0 stevel 365 0 stevel #define DT_DYN_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp) 366 0 stevel #define DT_DYN_TYPE(dtp) ((dtp)->dt_type_dyn) 367 0 stevel 368 0 stevel #define DT_STACK_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp) 369 0 stevel #define DT_STACK_TYPE(dtp) ((dtp)->dt_type_stack) 370 0 stevel 371 457 bmc #define DT_SYMADDR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp) 372 457 bmc #define DT_SYMADDR_TYPE(dtp) ((dtp)->dt_type_symaddr) 373 457 bmc 374 457 bmc #define DT_USYMADDR_CTFP(dtp) ((dtp)->dt_ddefs->dm_ctfp) 375 457 bmc #define DT_USYMADDR_TYPE(dtp) ((dtp)->dt_type_usymaddr) 376 457 bmc 377 457 bmc /* 378 457 bmc * Actions and subroutines are both DT_NODE_FUNC nodes; to avoid confusing 379 457 bmc * an action for a subroutine (or vice versa), we assure that the DT_ACT_* 380 457 bmc * constants and the DIF_SUBR_* constants occupy non-overlapping ranges by 381 457 bmc * starting the DT_ACT_* constants at DIF_SUBR_MAX + 1. 382 457 bmc */ 383 457 bmc #define DT_ACT_BASE DIF_SUBR_MAX + 1 384 457 bmc #define DT_ACT(n) (DT_ACT_BASE + (n)) 385 457 bmc 386 457 bmc #define DT_ACT_PRINTF DT_ACT(0) /* printf() action */ 387 457 bmc #define DT_ACT_TRACE DT_ACT(1) /* trace() action */ 388 457 bmc #define DT_ACT_TRACEMEM DT_ACT(2) /* tracemem() action */ 389 457 bmc #define DT_ACT_STACK DT_ACT(3) /* stack() action */ 390 457 bmc #define DT_ACT_STOP DT_ACT(4) /* stop() action */ 391 457 bmc #define DT_ACT_BREAKPOINT DT_ACT(5) /* breakpoint() action */ 392 457 bmc #define DT_ACT_PANIC DT_ACT(6) /* panic() action */ 393 457 bmc #define DT_ACT_SPECULATE DT_ACT(7) /* speculate() action */ 394 457 bmc #define DT_ACT_COMMIT DT_ACT(8) /* commit() action */ 395 457 bmc #define DT_ACT_DISCARD DT_ACT(9) /* discard() action */ 396 457 bmc #define DT_ACT_CHILL DT_ACT(10) /* chill() action */ 397 457 bmc #define DT_ACT_EXIT DT_ACT(11) /* exit() action */ 398 457 bmc #define DT_ACT_USTACK DT_ACT(12) /* ustack() action */ 399 457 bmc #define DT_ACT_PRINTA DT_ACT(13) /* printa() action */ 400 457 bmc #define DT_ACT_RAISE DT_ACT(14) /* raise() action */ 401 457 bmc #define DT_ACT_CLEAR DT_ACT(15) /* clear() action */ 402 457 bmc #define DT_ACT_NORMALIZE DT_ACT(16) /* normalize() action */ 403 457 bmc #define DT_ACT_DENORMALIZE DT_ACT(17) /* denormalize() action */ 404 457 bmc #define DT_ACT_TRUNC DT_ACT(18) /* trunc() action */ 405 457 bmc #define DT_ACT_SYSTEM DT_ACT(19) /* system() action */ 406 457 bmc #define DT_ACT_JSTACK DT_ACT(20) /* jstack() action */ 407 457 bmc #define DT_ACT_FTRUNCATE DT_ACT(21) /* ftruncate() action */ 408 457 bmc #define DT_ACT_FREOPEN DT_ACT(22) /* freopen() action */ 409 457 bmc #define DT_ACT_SYM DT_ACT(23) /* sym()/func() actions */ 410 457 bmc #define DT_ACT_MOD DT_ACT(24) /* mod() action */ 411 457 bmc #define DT_ACT_USYM DT_ACT(25) /* usym()/ufunc() actions */ 412 457 bmc #define DT_ACT_UMOD DT_ACT(26) /* umod() action */ 413 457 bmc #define DT_ACT_UADDR DT_ACT(27) /* uaddr() action */ 414 457 bmc #define DT_ACT_SETOPT DT_ACT(28) /* setopt() action */ 415 0 stevel 416 0 stevel /* 417 0 stevel * Sentinel to tell freopen() to restore the saved stdout. This must not 418 0 stevel * be ever valid for opening for write access via freopen(3C), which of 419 0 stevel * course, "." never is. 420 0 stevel */ 421 0 stevel #define DT_FREOPEN_RESTORE "." 422 0 stevel 423 0 stevel #define EDT_BASE 1000 /* base value for libdtrace errnos */ 424 0 stevel 425 0 stevel enum { 426 0 stevel EDT_VERSION = EDT_BASE, /* client is requesting unsupported version */ 427 0 stevel EDT_VERSINVAL, /* version string is invalid or overflows */ 428 0 stevel EDT_VERSUNDEF, /* requested API version is not defined */ 429 0 stevel EDT_VERSREDUCED, /* requested API version has been reduced */ 430 0 stevel EDT_CTF, /* libctf called failed (dt_ctferr has more) */ 431 0 stevel EDT_COMPILER, /* error in D program compilation */ 432 0 stevel EDT_NOREG, /* register allocation failure */ 433 0 stevel EDT_NOTUPREG, /* tuple register allocation failure */ 434 0 stevel EDT_NOMEM, /* memory allocation failure */ 435 0 stevel EDT_INT2BIG, /* integer limit exceeded */ 436 0 stevel EDT_STR2BIG, /* string limit exceeded */ 437 0 stevel EDT_NOMOD, /* unknown module name */ 438 0 stevel EDT_NOPROV, /* unknown provider name */ 439 0 stevel EDT_NOPROBE, /* unknown probe name */ 440 0 stevel EDT_NOSYM, /* unknown symbol name */ 441 0 stevel EDT_NOSYMADDR, /* no symbol corresponds to address */ 442 0 stevel EDT_NOTYPE, /* unknown type name */ 443 0 stevel EDT_NOVAR, /* unknown variable name */ 444 0 stevel EDT_NOAGG, /* unknown aggregation name */ 445 0 stevel EDT_BADSCOPE, /* improper use of type name scoping operator */ 446 0 stevel EDT_BADSPEC, /* overspecified probe description */ 447 0 stevel EDT_BADSPCV, /* bad macro variable in probe description */ 448 0 stevel EDT_BADID, /* invalid probe identifier */ 449 0 stevel EDT_NOTLOADED, /* module is not currently loaded */ 450 0 stevel EDT_NOCTF, /* module does not contain any CTF data */ 451 0 stevel EDT_DATAMODEL, /* module and program data models don't match */ 452 0 stevel EDT_DIFVERS, /* library has newer DIF version than driver */ 453 0 stevel EDT_BADAGG, /* unrecognized aggregating action */ 454 0 stevel EDT_FIO, /* file i/o error */ 455 0 stevel EDT_DIFINVAL, /* invalid DIF program */ 456 0 stevel EDT_DIFSIZE, /* invalid DIF size */ 457 0 stevel EDT_DIFFAULT, /* failed to copyin DIF program */ 458 0 stevel EDT_BADPROBE, /* bad probe description */ 459 0 stevel EDT_BADPGLOB, /* bad probe description globbing pattern */ 460 0 stevel EDT_NOSCOPE, /* declaration scope stack underflow */ 461 0 stevel EDT_NODECL, /* declaration stack underflow */ 462 0 stevel EDT_DMISMATCH, /* record list does not match statement */ 463 0 stevel EDT_DOFFSET, /* record data offset error */ 464 0 stevel EDT_DALIGN, /* record data alignment error */ 465 0 stevel EDT_BADOPTNAME, /* invalid dtrace_setopt option name */ 466 0 stevel EDT_BADOPTVAL, /* invalid dtrace_setopt option value */ 467 0 stevel EDT_BADOPTCTX, /* invalid dtrace_setopt option context */ 468 0 stevel EDT_CPPFORK, /* failed to fork preprocessor */ 469 0 stevel EDT_CPPEXEC, /* failed to exec preprocessor */ 470 0 stevel EDT_CPPENT, /* preprocessor not found */ 471 0 stevel EDT_CPPERR, /* unknown preprocessor error */ 472 0 stevel EDT_SYMOFLOW, /* external symbol table overflow */ 473 0 stevel EDT_ACTIVE, /* operation illegal when tracing is active */ 474 0 stevel EDT_DESTRUCTIVE, /* destructive actions not allowed */ 475 0 stevel EDT_NOANON, /* no anonymous tracing state */ 476 0 stevel EDT_ISANON, /* can't claim anon state and enable probes */ 477 0 stevel EDT_ENDTOOBIG, /* END enablings exceed size of prncpl buffer */ 478 0 stevel EDT_NOCONV, /* failed to load type for printf conversion */ 479 0 stevel EDT_BADCONV, /* incomplete printf conversion */ 480 0 stevel EDT_BADERROR, /* invalid library ERROR action */ 481 0 stevel EDT_ERRABORT, /* abort due to error */ 482 0 stevel EDT_DROPABORT, /* abort due to drop */ 483 0 stevel EDT_DIRABORT, /* abort explicitly directed */ 484 0 stevel EDT_BADRVAL, /* invalid return value from callback */ 485 0 stevel EDT_BADNORMAL, /* invalid normalization */ 486 0 stevel EDT_BUFTOOSMALL, /* enabling exceeds size of buffer */ 487 0 stevel EDT_BADTRUNC, /* invalid truncation */ 488 0 stevel EDT_BUSY, /* device busy (active kernel debugger) */ 489 0 stevel EDT_ACCESS, /* insufficient privileges to use DTrace */ 490 1677 dp EDT_NOENT, /* dtrace device not available */ 491 0 stevel EDT_BRICKED, /* abort due to systemic unresponsiveness */ 492 0 stevel EDT_HARDWIRE, /* failed to load hard-wired definitions */ 493 0 stevel EDT_ELFVERSION, /* libelf is out-of-date w.r.t libdtrace */ 494 0 stevel EDT_NOBUFFERED, /* attempt to buffer output without handler */ 495 457 bmc EDT_UNSTABLE, /* description matched unstable set of probes */ 496 457 bmc EDT_BADSETOPT, /* invalid setopt library action */ 497 1017 bmc EDT_BADSTACKPC, /* invalid stack program counter size */ 498 1017 bmc EDT_BADAGGVAR, /* invalid aggregation variable identifier */ 499 8803 Jonathan EDT_OVERSION, /* client is requesting deprecated version */ 500 8803 Jonathan EDT_ENABLING_ERR /* failed to enable probe */ 501 0 stevel }; 502 0 stevel 503 0 stevel /* 504 0 stevel * Interfaces for parsing and comparing DTrace attribute tuples, which describe 505 0 stevel * stability and architectural binding information. The dtrace_attribute_t 506 0 stevel * structure and associated constant definitions are found in <sys/dtrace.h>. 507 0 stevel */ 508 0 stevel extern dtrace_attribute_t dt_attr_min(dtrace_attribute_t, dtrace_attribute_t); 509 0 stevel extern dtrace_attribute_t dt_attr_max(dtrace_attribute_t, dtrace_attribute_t); 510 0 stevel extern char *dt_attr_str(dtrace_attribute_t, char *, size_t); 511 0 stevel extern int dt_attr_cmp(dtrace_attribute_t, dtrace_attribute_t); 512 0 stevel 513 0 stevel /* 514 0 stevel * Interfaces for parsing and handling DTrace version strings. Version binding 515 0 stevel * is a feature of the D compiler that is handled completely independently of 516 0 stevel * the DTrace kernel infrastructure, so the definitions are here in libdtrace. 517 0 stevel * Version strings are compiled into an encoded uint32_t which can be compared 518 0 stevel * using C comparison operators. Version definitions are found in dt_open.c. 519 0 stevel */ 520 0 stevel #define DT_VERSION_STRMAX 16 /* enough for "255.4095.4095\0" */ 521 0 stevel #define DT_VERSION_MAJMAX 0xFF /* maximum major version number */ 522 0 stevel #define DT_VERSION_MINMAX 0xFFF /* maximum minor version number */ 523 0 stevel #define DT_VERSION_MICMAX 0xFFF /* maximum micro version number */ 524 0 stevel 525 0 stevel #define DT_VERSION_NUMBER(M, m, u) \ 526 0 stevel ((((M) & 0xFF) << 24) | (((m) & 0xFFF) << 12) | ((u) & 0xFFF)) 527 0 stevel 528 0 stevel #define DT_VERSION_MAJOR(v) (((v) & 0xFF000000) >> 24) 529 0 stevel #define DT_VERSION_MINOR(v) (((v) & 0x00FFF000) >> 12) 530 0 stevel #define DT_VERSION_MICRO(v) ((v) & 0x00000FFF) 531 0 stevel 532 0 stevel extern char *dt_version_num2str(dt_version_t, char *, size_t); 533 0 stevel extern int dt_version_str2num(const char *, dt_version_t *); 534 0 stevel extern int dt_version_defined(dt_version_t); 535 0 stevel 536 0 stevel /* 537 0 stevel * Miscellaneous internal libdtrace interfaces. The definitions below are for 538 0 stevel * libdtrace routines that do not yet merit their own separate header file. 539 0 stevel */ 540 0 stevel extern char *dt_cpp_add_arg(dtrace_hdl_t *, const char *); 541 0 stevel extern char *dt_cpp_pop_arg(dtrace_hdl_t *); 542 0 stevel 543 0 stevel extern int dt_set_errno(dtrace_hdl_t *, int); 544 0 stevel extern void dt_set_errmsg(dtrace_hdl_t *, const char *, const char *, 545 0 stevel const char *, int, const char *, va_list); 546 0 stevel 547 0 stevel extern int dt_ioctl(dtrace_hdl_t *, int, void *); 548 0 stevel extern int dt_status(dtrace_hdl_t *, processorid_t); 549 0 stevel extern long dt_sysconf(dtrace_hdl_t *, int); 550 0 stevel extern ssize_t dt_write(dtrace_hdl_t *, int, const void *, size_t); 551 0 stevel extern int dt_printf(dtrace_hdl_t *, FILE *, const char *, ...); 552 0 stevel 553 0 stevel extern void *dt_zalloc(dtrace_hdl_t *, size_t); 554 0 stevel extern void *dt_alloc(dtrace_hdl_t *, size_t); 555 0 stevel extern void dt_free(dtrace_hdl_t *, void *); 556 265 mws extern void dt_difo_free(dtrace_hdl_t *, dtrace_difo_t *); 557 0 stevel 558 0 stevel extern int dt_gmatch(const char *, const char *); 559 0 stevel extern char *dt_basename(char *); 560 265 mws 561 265 mws extern ulong_t dt_popc(ulong_t); 562 265 mws extern ulong_t dt_popcb(const ulong_t *, ulong_t); 563 0 stevel 564 0 stevel extern int dt_buffered_enable(dtrace_hdl_t *); 565 0 stevel extern int dt_buffered_flush(dtrace_hdl_t *, dtrace_probedata_t *, 566 1017 bmc const dtrace_recdesc_t *, const dtrace_aggdata_t *, uint32_t flags); 567 0 stevel extern void dt_buffered_disable(dtrace_hdl_t *); 568 0 stevel extern void dt_buffered_destroy(dtrace_hdl_t *); 569 0 stevel 570 0 stevel extern int dt_rw_read_held(pthread_rwlock_t *); 571 0 stevel extern int dt_rw_write_held(pthread_rwlock_t *); 572 0 stevel extern int dt_mutex_held(pthread_mutex_t *); 573 0 stevel 574 5984 jhaslam extern uint64_t dt_stddev(uint64_t *, uint64_t); 575 5984 jhaslam 576 0 stevel #define DT_RW_READ_HELD(x) dt_rw_read_held(x) 577 0 stevel #define DT_RW_WRITE_HELD(x) dt_rw_write_held(x) 578 0 stevel #define DT_RW_LOCK_HELD(x) (DT_RW_READ_HELD(x) || DT_RW_WRITE_HELD(x)) 579 0 stevel #define DT_MUTEX_HELD(x) dt_mutex_held(x) 580 0 stevel 581 0 stevel extern int dt_options_load(dtrace_hdl_t *); 582 0 stevel 583 0 stevel extern void dt_dprintf(const char *, ...); 584 0 stevel 585 0 stevel extern void dt_setcontext(dtrace_hdl_t *, dtrace_probedesc_t *); 586 0 stevel extern void dt_endcontext(dtrace_hdl_t *); 587 0 stevel 588 0 stevel extern void dt_pragma(dt_node_t *); 589 0 stevel extern int dt_reduce(dtrace_hdl_t *, dt_version_t); 590 0 stevel extern void dt_cg(dt_pcb_t *, dt_node_t *); 591 0 stevel extern dtrace_difo_t *dt_as(dt_pcb_t *); 592 265 mws extern void dt_dis(const dtrace_difo_t *, FILE *); 593 0 stevel 594 0 stevel extern int dt_aggregate_go(dtrace_hdl_t *); 595 0 stevel extern int dt_aggregate_init(dtrace_hdl_t *); 596 0 stevel extern void dt_aggregate_destroy(dtrace_hdl_t *); 597 0 stevel 598 0 stevel extern int dt_epid_lookup(dtrace_hdl_t *, dtrace_epid_t, 599 0 stevel dtrace_eprobedesc_t **, dtrace_probedesc_t **); 600 0 stevel extern void dt_epid_destroy(dtrace_hdl_t *); 601 0 stevel extern int dt_aggid_lookup(dtrace_hdl_t *, dtrace_aggid_t, dtrace_aggdesc_t **); 602 0 stevel extern void dt_aggid_destroy(dtrace_hdl_t *); 603 0 stevel 604 0 stevel extern void *dt_format_lookup(dtrace_hdl_t *, int); 605 0 stevel extern void dt_format_destroy(dtrace_hdl_t *); 606 0 stevel 607 0 stevel extern int dt_print_quantize(dtrace_hdl_t *, FILE *, 608 0 stevel const void *, size_t, uint64_t); 609 0 stevel extern int dt_print_lquantize(dtrace_hdl_t *, FILE *, 610 0 stevel const void *, size_t, uint64_t); 611 457 bmc extern int dt_print_agg(const dtrace_aggdata_t *, void *); 612 0 stevel 613 0 stevel extern int dt_handle(dtrace_hdl_t *, dtrace_probedata_t *); 614 0 stevel extern int dt_handle_liberr(dtrace_hdl_t *, 615 0 stevel const dtrace_probedata_t *, const char *); 616 0 stevel extern int dt_handle_cpudrop(dtrace_hdl_t *, processorid_t, 617 0 stevel dtrace_dropkind_t, uint64_t); 618 0 stevel extern int dt_handle_status(dtrace_hdl_t *, 619 0 stevel dtrace_status_t *, dtrace_status_t *); 620 457 bmc extern int dt_handle_setopt(dtrace_hdl_t *, dtrace_setoptdata_t *); 621 0 stevel 622 5478 jhaslam extern int dt_lib_depend_add(dtrace_hdl_t *, dt_list_t *, const char *); 623 5478 jhaslam extern dt_lib_depend_t *dt_lib_depend_lookup(dt_list_t *, const char *); 624 5478 jhaslam 625 0 stevel extern dt_pcb_t *yypcb; /* pointer to current parser control block */ 626 0 stevel extern char yyintprefix; /* int token prefix for macros (+/-) */ 627 0 stevel extern char yyintsuffix[4]; /* int token suffix ([uUlL]*) */ 628 0 stevel extern int yyintdecimal; /* int token is decimal (1) or octal/hex (0) */ 629 0 stevel extern char yytext[]; /* lex input buffer */ 630 0 stevel extern int yylineno; /* lex line number */ 631 0 stevel extern int yydebug; /* lex debugging */ 632 0 stevel extern dt_node_t *yypragma; /* lex token list for control lines */ 633 0 stevel 634 0 stevel extern const dtrace_attribute_t _dtrace_maxattr; /* maximum attributes */ 635 0 stevel extern const dtrace_attribute_t _dtrace_defattr; /* default attributes */ 636 0 stevel extern const dtrace_attribute_t _dtrace_symattr; /* symbol ref attributes */ 637 0 stevel extern const dtrace_attribute_t _dtrace_typattr; /* type ref attributes */ 638 0 stevel extern const dtrace_attribute_t _dtrace_prvattr; /* provider attributes */ 639 0 stevel extern const dtrace_pattr_t _dtrace_prvdesc; /* provider attribute bundle */ 640 0 stevel 641 0 stevel extern const dt_version_t _dtrace_versions[]; /* array of valid versions */ 642 0 stevel extern const char *const _dtrace_version; /* current version string */ 643 0 stevel 644 0 stevel extern int _dtrace_strbuckets; /* number of hash buckets for strings */ 645 0 stevel extern int _dtrace_intbuckets; /* number of hash buckets for ints */ 646 0 stevel extern uint_t _dtrace_stkindent; /* default indent for stack/ustack */ 647 0 stevel extern uint_t _dtrace_pidbuckets; /* number of hash buckets for pids */ 648 0 stevel extern uint_t _dtrace_pidlrulim; /* number of proc handles to cache */ 649 0 stevel extern int _dtrace_debug; /* debugging messages enabled */ 650 0 stevel extern size_t _dtrace_bufsize; /* default dt_buf_create() size */ 651 0 stevel extern int _dtrace_argmax; /* default maximum probe arguments */ 652 0 stevel 653 0 stevel extern const char *_dtrace_libdir; /* default library directory */ 654 0 stevel extern const char *_dtrace_moddir; /* default kernel module directory */ 655 0 stevel 656 0 stevel #ifdef __cplusplus 657 0 stevel } 658 0 stevel #endif 659 0 stevel 660 0 stevel #endif /* _DT_IMPL_H */ 661
Indexes created Thu Nov 26 13:30:14 UTC 2009
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