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 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <sys/modctl.h> 31 #include <sys/systeminfo.h> 32 33 #include <libelf.h> 34 #include <strings.h> 35 #include <alloca.h> 36 #include <limits.h> 37 #include <unistd.h> 38 #include <stdlib.h> 39 #include <stdio.h> 40 #include <fcntl.h> 41 #include <errno.h> 42 #include <zone.h> 43 #include <assert.h> 44 45 #define _POSIX_PTHREAD_SEMANTICS 46 #include <dirent.h> 47 #undef _POSIX_PTHREAD_SEMANTICS 48 49 #include <dt_impl.h> 50 #include <dt_program.h> 51 #include <dt_module.h> 52 #include <dt_printf.h> 53 #include <dt_string.h> 54 #include <dt_provider.h> 55 56 /* 57 * Stability and versioning definitions. These #defines are used in the tables 58 * of identifiers below to fill in the attribute and version fields associated 59 * with each identifier. The DT_ATTR_* macros are a convenience to permit more 60 * concise declarations of common attributes such as Stable/Stable/Common. The 61 * DT_VERS_* macros declare the encoded integer values of all versions used so 62 * far. DT_VERS_LATEST must correspond to the latest version value among all 63 * versions exported by the D compiler. DT_VERS_STRING must be an ASCII string 64 * that contains DT_VERS_LATEST within it along with any suffixes (e.g. Beta). 65 * You must update DT_VERS_LATEST and DT_VERS_STRING when adding a new version, 66 * and then add the new version to the _dtrace_versions[] array declared below. 67 * Refer to the Solaris Dynamic Tracing Guide Stability and Versioning chapters 68 * respectively for an explanation of these DTrace features and their values. 69 * 70 * NOTE: Although the DTrace versioning scheme supports the labeling and 71 * introduction of incompatible changes (e.g. dropping an interface in a 72 * major release), the libdtrace code does not currently support this. 73 * All versions are assumed to strictly inherit from one another. If 74 * we ever need to provide divergent interfaces, this will need work. 75 */ 76 #define DT_ATTR_STABCMN { DTRACE_STABILITY_STABLE, \ 77 DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON } 78 79 #define DT_ATTR_EVOLCMN { DTRACE_STABILITY_EVOLVING, \ 80 DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON \ 81 } 82 83 /* 84 * The version number should be increased for every customer visible release 85 * of Solaris. The major number should be incremented when a fundamental 86 * change has been made that would affect all consumers, and would reflect 87 * sweeping changes to DTrace or the D language. The minor number should be 88 * incremented when a change is introduced that could break scripts that had 89 * previously worked; for example, adding a new built-in variable could break 90 * a script which was already using that identifier. The micro number should 91 * be changed when introducing functionality changes or major bug fixes that 92 * do not affect backward compatibility -- this is merely to make capabilities 93 * easily determined from the version number. Minor bugs do not require any 94 * modification to the version number. 95 */ 96 #define DT_VERS_1_0 DT_VERSION_NUMBER(1, 0, 0) 97 #define DT_VERS_1_1 DT_VERSION_NUMBER(1, 1, 0) 98 #define DT_VERS_1_2 DT_VERSION_NUMBER(1, 2, 0) 99 #define DT_VERS_1_2_1 DT_VERSION_NUMBER(1, 2, 1) 100 #define DT_VERS_LATEST DT_VERS_1_2_1 101 #define DT_VERS_STRING "Sun D 1.2.1" 102 103 const dt_version_t _dtrace_versions[] = { 104 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 105 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 106 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 107 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 108 0 109 }; 110 111 /* 112 * Table of global identifiers. This is used to populate the global identifier 113 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 114 * The global identifiers that represent functions use the dt_idops_func ops 115 * and specify the private data pointer as a prototype string which is parsed 116 * when the identifier is first encountered. These prototypes look like ANSI 117 * C function prototypes except that the special symbol "@" can be used as a 118 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 119 * The standard "..." notation can also be used to represent varargs. An empty 120 * parameter list is taken to mean void (that is, no arguments are permitted). 121 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 122 * argument. 123 */ 124 static const dt_ident_t _dtrace_globals[] = { 125 { "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 126 &dt_idops_func, "void *(size_t)" }, 127 { "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 128 &dt_idops_type, "int64_t" }, 129 { "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 130 &dt_idops_type, "int64_t" }, 131 { "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 132 &dt_idops_type, "int64_t" }, 133 { "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 134 &dt_idops_type, "int64_t" }, 135 { "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 136 &dt_idops_type, "int64_t" }, 137 { "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 138 &dt_idops_type, "int64_t" }, 139 { "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 140 &dt_idops_type, "int64_t" }, 141 { "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 142 &dt_idops_type, "int64_t" }, 143 { "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 144 &dt_idops_type, "int64_t" }, 145 { "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 146 &dt_idops_type, "int64_t" }, 147 { "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 148 &dt_idops_args, NULL }, 149 { "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 150 &dt_idops_func, "void(@)" }, 151 { "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 152 &dt_idops_func, "string(const char *)" }, 153 { "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 154 &dt_idops_func, "void(void *, void *, size_t)" }, 155 { "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 156 DT_ATTR_STABCMN, DT_VERS_1_0, 157 &dt_idops_func, "void()" }, 158 { "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 159 &dt_idops_type, "uintptr_t" }, 160 { "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 161 &dt_idops_func, "void(int)" }, 162 { "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 163 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 164 { "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 165 &dt_idops_func, "void(...)" }, 166 { "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 167 &dt_idops_func, "void(int)" }, 168 { "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 169 &dt_idops_func, "void *(uintptr_t, size_t)" }, 170 { "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 171 DT_ATTR_STABCMN, DT_VERS_1_0, 172 &dt_idops_func, "string(uintptr_t, [size_t])" }, 173 { "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 174 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 175 { "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 176 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 177 { "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 178 DT_ATTR_STABCMN, DT_VERS_1_0, 179 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 180 { "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 181 &dt_idops_func, "void()" }, 182 { "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 183 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 184 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 185 &dt_idops_type, "genunix`kthread_t *" }, 186 { "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 187 DT_ATTR_EVOLCMN, DT_VERS_1_0, 188 &dt_idops_func, "string(void *, int64_t)" }, 189 { "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 190 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 191 { "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 192 &dt_idops_func, "string(const char *)" }, 193 { "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 194 &dt_idops_func, "void(int)" }, 195 { "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 196 &dt_idops_type, "uint_t" }, 197 { "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 198 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 199 { "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 200 &dt_idops_func, "void(int)" }, 201 { "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 202 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 203 { "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 204 DT_VERS_1_0, &dt_idops_func, "void()" }, 205 { "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 206 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 207 { "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 208 DT_ATTR_EVOLCMN, DT_VERS_1_0, 209 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 210 { "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 211 DT_ATTR_EVOLCMN, DT_VERS_1_0, 212 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 213 { "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 214 &dt_idops_type, "uint_t" }, 215 { "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 216 &dt_idops_func, "int(const char *, const char *, [int])" }, 217 { "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 218 &dt_idops_type, "uint_t" }, 219 { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 220 &dt_idops_func, "stack(...)" }, 221 { "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 222 &dt_idops_func, "string(int64_t)" }, 223 { "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 224 DT_ATTR_STABCMN, DT_VERS_1_0, 225 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 226 { "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 227 &dt_idops_func, "void(@)" }, 228 { "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 229 &dt_idops_func, "void(@)" }, 230 { "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 231 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 232 { "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 233 DT_ATTR_STABCMN, DT_VERS_1_0, 234 &dt_idops_func, "size_t(mblk_t *)" }, 235 { "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 236 DT_ATTR_STABCMN, DT_VERS_1_0, 237 &dt_idops_func, "size_t(mblk_t *)" }, 238 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 239 DT_ATTR_EVOLCMN, DT_VERS_1_0, 240 &dt_idops_func, "int(genunix`kmutex_t *)" }, 241 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 242 DT_ATTR_EVOLCMN, DT_VERS_1_0, 243 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 244 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 245 DT_ATTR_EVOLCMN, DT_VERS_1_0, 246 &dt_idops_func, "int(genunix`kmutex_t *)" }, 247 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 248 DT_ATTR_EVOLCMN, DT_VERS_1_0, 249 &dt_idops_func, "int(genunix`kmutex_t *)" }, 250 { "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 251 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 252 { "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 253 &dt_idops_func, "void()" }, 254 { "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 255 &dt_idops_type, "pid_t" }, 256 { "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 257 &dt_idops_func, "void(@, ...)" }, 258 { "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 259 &dt_idops_func, "void(@, ...)" }, 260 { "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 261 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 262 { "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 263 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 264 { "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 265 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 266 { "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 267 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 268 { "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 269 DT_ATTR_STABCMN, DT_VERS_1_0, 270 &dt_idops_func, "int(pid_t)" }, 271 { "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 272 DT_ATTR_STABCMN, DT_VERS_1_0, 273 &dt_idops_func, "void(@, ...)" }, 274 { "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 275 &dt_idops_func, "void(int)" }, 276 { "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 277 &dt_idops_func, "int()" }, 278 { "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 279 &dt_idops_func, "int(const char *, const char *, [int])" }, 280 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 281 DT_ATTR_EVOLCMN, DT_VERS_1_0, 282 &dt_idops_func, "int(genunix`krwlock_t *)" }, 283 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 284 DT_ATTR_EVOLCMN, DT_VERS_1_0, 285 &dt_idops_func, "int(genunix`krwlock_t *)" }, 286 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 287 DT_ATTR_EVOLCMN, DT_VERS_1_0, 288 &dt_idops_func, "int(genunix`krwlock_t *)" }, 289 { "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 290 &dt_idops_type, "void" }, 291 { "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 292 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 293 { "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 294 DT_ATTR_STABCMN, DT_VERS_1_0, 295 &dt_idops_func, "void(int)" }, 296 { "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 297 DT_ATTR_STABCMN, DT_VERS_1_0, 298 &dt_idops_func, "int()" }, 299 { "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 300 &dt_idops_func, "stack(...)" }, 301 { "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 302 DT_ATTR_STABCMN, DT_VERS_1_0, 303 &dt_idops_type, "uint32_t" }, 304 { "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 305 &dt_idops_func, "void()" }, 306 { "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 307 &dt_idops_func, "string(const char *, char)" }, 308 { "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 309 &dt_idops_func, "size_t(const char *)" }, 310 { "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 311 &dt_idops_func, "string(const char *, const char *)" }, 312 { "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 313 &dt_idops_func, "string(const char *, char)" }, 314 { "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 315 &dt_idops_func, "string(const char *, const char *)" }, 316 { "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 317 &dt_idops_func, "string(const char *, const char *)" }, 318 { "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 319 &dt_idops_func, "string(const char *, int, [int])" }, 320 { "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 321 &dt_idops_func, "void(@)" }, 322 { "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 323 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 324 { "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 325 &dt_idops_func, "void(@, ...)" }, 326 { "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 327 &dt_idops_type, "void" }, 328 { "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 329 &dt_idops_type, "id_t" }, 330 { "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 331 DT_ATTR_STABCMN, DT_VERS_1_0, 332 &dt_idops_type, "uint64_t" }, 333 { "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 334 &dt_idops_func, "void(@)" }, 335 { "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 336 DT_ATTR_STABCMN, DT_VERS_1_0, 337 &dt_idops_func, "void(@, size_t)" }, 338 { "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 339 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 340 { "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 341 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 342 { "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 343 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 344 { "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 345 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 346 { "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 347 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 348 { "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 349 &dt_idops_regs, NULL }, 350 { "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 351 &dt_idops_func, "stack(...)" }, 352 { "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 353 DT_ATTR_STABCMN, DT_VERS_1_2, 354 &dt_idops_type, "uint32_t" }, 355 { "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 356 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 357 { "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 358 DT_ATTR_STABCMN, DT_VERS_1_0, 359 &dt_idops_type, "uint64_t" }, 360 { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 361 DT_ATTR_STABCMN, DT_VERS_1_0, 362 &dt_idops_type, "int64_t" }, 363 { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 364 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 365 { NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 366 }; 367 368 /* 369 * Tables of ILP32 intrinsic integer and floating-point type templates to use 370 * to populate the dynamic "C" CTF type container. 371 */ 372 static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 373 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 374 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 375 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 376 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 377 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 378 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 379 { "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 380 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 381 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 382 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 383 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 384 { "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 385 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 386 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 387 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 388 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 389 { "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 390 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 391 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 392 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 393 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 394 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 395 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 396 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 397 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 398 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 399 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 400 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 401 { NULL, { 0, 0, 0 }, 0 } 402 }; 403 404 /* 405 * Tables of LP64 intrinsic integer and floating-point type templates to use 406 * to populate the dynamic "C" CTF type container. 407 */ 408 static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 409 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 410 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 411 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 412 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 413 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 414 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 415 { "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 416 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 417 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 418 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 419 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 420 { "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 421 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 422 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 423 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 424 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 425 { "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 426 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 427 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 428 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 429 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 430 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 431 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 432 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 433 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 434 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 435 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 436 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 437 { NULL, { 0, 0, 0 }, 0 } 438 }; 439 440 /* 441 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 442 * These aliases ensure that D definitions can use typical <sys/types.h> names. 443 */ 444 static const dt_typedef_t _dtrace_typedefs_32[] = { 445 { "char", "int8_t" }, 446 { "short", "int16_t" }, 447 { "int", "int32_t" }, 448 { "long long", "int64_t" }, 449 { "int", "intptr_t" }, 450 { "int", "ssize_t" }, 451 { "unsigned char", "uint8_t" }, 452 { "unsigned short", "uint16_t" }, 453 { "unsigned", "uint32_t" }, 454 { "unsigned long long", "uint64_t" }, 455 { "unsigned char", "uchar_t" }, 456 { "unsigned short", "ushort_t" }, 457 { "unsigned", "uint_t" }, 458 { "unsigned long", "ulong_t" }, 459 { "unsigned long long", "u_longlong_t" }, 460 { "int", "ptrdiff_t" }, 461 { "unsigned", "uintptr_t" }, 462 { "unsigned", "size_t" }, 463 { "long", "id_t" }, 464 { "long", "pid_t" }, 465 { NULL, NULL } 466 }; 467 468 /* 469 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 470 * These aliases ensure that D definitions can use typical <sys/types.h> names. 471 */ 472 static const dt_typedef_t _dtrace_typedefs_64[] = { 473 { "char", "int8_t" }, 474 { "short", "int16_t" }, 475 { "int", "int32_t" }, 476 { "long", "int64_t" }, 477 { "long", "intptr_t" }, 478 { "long", "ssize_t" }, 479 { "unsigned char", "uint8_t" }, 480 { "unsigned short", "uint16_t" }, 481 { "unsigned", "uint32_t" }, 482 { "unsigned long", "uint64_t" }, 483 { "unsigned char", "uchar_t" }, 484 { "unsigned short", "ushort_t" }, 485 { "unsigned", "uint_t" }, 486 { "unsigned long", "ulong_t" }, 487 { "unsigned long long", "u_longlong_t" }, 488 { "long", "ptrdiff_t" }, 489 { "unsigned long", "uintptr_t" }, 490 { "unsigned long", "size_t" }, 491 { "int", "id_t" }, 492 { "int", "pid_t" }, 493 { NULL, NULL } 494 }; 495 496 /* 497 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 498 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 499 */ 500 static const dt_intdesc_t _dtrace_ints_32[] = { 501 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 502 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 503 { "long", NULL, CTF_ERR, 0x7fffffffULL }, 504 { "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 505 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 506 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 507 }; 508 509 /* 510 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 511 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 512 */ 513 static const dt_intdesc_t _dtrace_ints_64[] = { 514 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 515 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 516 { "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 517 { "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 518 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 519 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 520 }; 521 522 /* 523 * Table of macro variable templates used to populate the macro identifier hash 524 * when a new dtrace client open occurs. Values are set by dtrace_update(). 525 */ 526 static const dt_ident_t _dtrace_macros[] = { 527 { "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 528 { "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 529 { "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 530 { "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 531 { "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 532 { "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 533 { "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 534 { "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 535 { "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 536 { "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 537 { "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 538 { NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 539 }; 540 541 /* 542 * Hard-wired definition string to be compiled and cached every time a new 543 * DTrace library handle is initialized. This string should only be used to 544 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 545 */ 546 static const char _dtrace_hardwire[] = "\ 547 inline long NULL = 0; \n\ 548 #pragma D binding \"1.0\" NULL\n\ 549 "; 550 551 /* 552 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 553 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 554 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 555 * relying on the fact that when running dtrace(1M), isaexec will invoke the 556 * binary with the same bitness as the kernel, which is what we want by default 557 * when generating our DIF. The user can override the choice using oflags. 558 */ 559 static const dtrace_conf_t _dtrace_conf = { 560 DIF_VERSION, /* dtc_difversion */ 561 DIF_DIR_NREGS, /* dtc_difintregs */ 562 DIF_DTR_NREGS, /* dtc_diftupregs */ 563 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 564 }; 565 566 const dtrace_attribute_t _dtrace_maxattr = { 567 DTRACE_STABILITY_MAX, 568 DTRACE_STABILITY_MAX, 569 DTRACE_CLASS_MAX 570 }; 571 572 const dtrace_attribute_t _dtrace_defattr = { 573 DTRACE_STABILITY_STABLE, 574 DTRACE_STABILITY_STABLE, 575 DTRACE_CLASS_COMMON 576 }; 577 578 const dtrace_attribute_t _dtrace_symattr = { 579 DTRACE_STABILITY_PRIVATE, 580 DTRACE_STABILITY_PRIVATE, 581 DTRACE_CLASS_UNKNOWN 582 }; 583 584 const dtrace_attribute_t _dtrace_typattr = { 585 DTRACE_STABILITY_PRIVATE, 586 DTRACE_STABILITY_PRIVATE, 587 DTRACE_CLASS_UNKNOWN 588 }; 589 590 const dtrace_attribute_t _dtrace_prvattr = { 591 DTRACE_STABILITY_PRIVATE, 592 DTRACE_STABILITY_PRIVATE, 593 DTRACE_CLASS_UNKNOWN 594 }; 595 596 const dtrace_pattr_t _dtrace_prvdesc = { 597 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 598 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 599 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 600 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 601 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 602 }; 603 604 const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 605 const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 606 607 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 608 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 609 610 int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 611 int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 612 uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 613 uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 614 uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 615 uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 616 size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 617 int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 618 619 int _dtrace_debug = 0; /* debug messages enabled (off) */ 620 const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 621 int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 622 623 typedef struct dt_fdlist { 624 int *df_fds; /* array of provider driver file descriptors */ 625 uint_t df_ents; /* number of valid elements in df_fds[] */ 626 uint_t df_size; /* size of df_fds[] */ 627 } dt_fdlist_t; 628 629 #pragma init(_dtrace_init) 630 void 631 _dtrace_init(void) 632 { 633 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 634 635 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 636 if (rd_init(_dtrace_rdvers) == RD_OK) 637 break; 638 } 639 } 640 641 static dtrace_hdl_t * 642 set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 643 { 644 if (dtp != NULL) 645 dtrace_close(dtp); 646 if (errp != NULL) 647 *errp = err; 648 return (NULL); 649 } 650 651 static void 652 dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 653 { 654 dt_provmod_t *prov; 655 char path[PATH_MAX]; 656 struct dirent *dp, *ep; 657 DIR *dirp; 658 int fd; 659 660 if ((dirp = opendir(_dtrace_provdir)) == NULL) 661 return; /* failed to open directory; just skip it */ 662 663 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 664 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 665 666 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 667 if (dp->d_name[0] == '.') 668 continue; /* skip "." and ".." */ 669 670 if (dfp->df_ents == dfp->df_size) { 671 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 672 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 673 674 if (fds == NULL) 675 break; /* skip the rest of this directory */ 676 677 dfp->df_fds = fds; 678 dfp->df_size = size; 679 } 680 681 (void) snprintf(path, sizeof (path), "%s/%s", 682 _dtrace_provdir, dp->d_name); 683 684 if ((fd = open(path, O_RDONLY)) == -1) 685 continue; /* failed to open driver; just skip it */ 686 687 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 688 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 689 free(prov); 690 (void) close(fd); 691 break; 692 } 693 694 (void) strcpy(prov->dp_name, dp->d_name); 695 prov->dp_next = *provmod; 696 *provmod = prov; 697 698 dt_dprintf("opened provider %s\n", dp->d_name); 699 dfp->df_fds[dfp->df_ents++] = fd; 700 } 701 702 (void) closedir(dirp); 703 } 704 705 static void 706 dt_provmod_destroy(dt_provmod_t **provmod) 707 { 708 dt_provmod_t *next, *current; 709 710 for (current = *provmod; current != NULL; current = next) { 711 next = current->dp_next; 712 free(current->dp_name); 713 free(current); 714 } 715 716 *provmod = NULL; 717 } 718 719 static const char * 720 dt_get_sysinfo(int cmd, char *buf, size_t len) 721 { 722 ssize_t rv = sysinfo(cmd, buf, len); 723 char *p = buf; 724 725 if (rv < 0 || rv > len) 726 (void) snprintf(buf, len, "%s", "Unknown"); 727 728 while ((p = strchr(p, '.')) != NULL) 729 *p++ = '_'; 730 731 return (buf); 732 } 733 734 static dtrace_hdl_t * 735 dt_vopen(int version, int flags, int *errp, 736 const dtrace_vector_t *vector, void *arg) 737 { 738 dtrace_hdl_t *dtp = NULL; 739 int dtfd = -1, ftfd = -1, fterr = 0; 740 dtrace_prog_t *pgp; 741 dt_module_t *dmp; 742 dt_provmod_t *provmod = NULL; 743 int i, err; 744 745 const dt_intrinsic_t *dinp; 746 const dt_typedef_t *dtyp; 747 const dt_ident_t *idp; 748 749 dtrace_typeinfo_t dtt; 750 ctf_funcinfo_t ctc; 751 ctf_arinfo_t ctr; 752 753 dt_fdlist_t df = { NULL, 0, 0 }; 754 755 char isadef[32], utsdef[32]; 756 char s1[64], s2[64]; 757 758 if (version <= 0) 759 return (set_open_errno(dtp, errp, EINVAL)); 760 761 if (version > DTRACE_VERSION) 762 return (set_open_errno(dtp, errp, EDT_VERSION)); 763 764 if (version < DTRACE_VERSION) { 765 /* 766 * Currently, increasing the library version number is used to 767 * denote a binary incompatible change. That is, a consumer 768 * of the library cannot run on a version of the library with 769 * a higher DTRACE_VERSION number than the consumer compiled 770 * against. Once the library API has been committed to, 771 * backwards binary compatibility will be required; at that 772 * time, this check should change to return EDT_OVERSION only 773 * if the specified version number is less than the version 774 * number at the time of interface commitment. 775 */ 776 return (set_open_errno(dtp, errp, EDT_OVERSION)); 777 } 778 779 if (flags & ~DTRACE_O_MASK) 780 return (set_open_errno(dtp, errp, EINVAL)); 781 782 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 783 return (set_open_errno(dtp, errp, EINVAL)); 784 785 if (vector == NULL && arg != NULL) 786 return (set_open_errno(dtp, errp, EINVAL)); 787 788 if (elf_version(EV_CURRENT) == EV_NONE) 789 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 790 791 if (vector != NULL || (flags & DTRACE_O_NODEV)) 792 goto alloc; /* do not attempt to open dtrace device */ 793 794 /* 795 * Get the device path of each of the providers. We hold them open 796 * in the df.df_fds list until we open the DTrace driver itself, 797 * allowing us to see all of the probes provided on this system. Once 798 * we have the DTrace driver open, we can safely close all the providers 799 * now that they have registered with the framework. 800 */ 801 dt_provmod_open(&provmod, &df); 802 803 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 804 err = errno; /* save errno from opening dtfd */ 805 806 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 807 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 808 809 while (df.df_ents-- != 0) 810 (void) close(df.df_fds[df.df_ents]); 811 812 free(df.df_fds); 813 814 /* 815 * If we failed to open the dtrace device, fail dtrace_open(). 816 * We convert some kernel errnos to custom libdtrace errnos to 817 * improve the resulting message from the usual strerror(). 818 */ 819 if (dtfd == -1) { 820 dt_provmod_destroy(&provmod); 821 switch (err) { 822 case ENOENT: 823 if (getzoneid() != GLOBAL_ZONEID) 824 err = EDT_ZNOENT; 825 else 826 err = EDT_GNOENT; 827 break; 828 case EBUSY: 829 err = EDT_BUSY; 830 break; 831 case EACCES: 832 err = EDT_ACCESS; 833 break; 834 } 835 return (set_open_errno(dtp, errp, err)); 836 } 837 838 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 839 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 840 841 alloc: 842 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 843 return (set_open_errno(dtp, errp, EDT_NOMEM)); 844 845 bzero(dtp, sizeof (dtrace_hdl_t)); 846 dtp->dt_oflags = flags; 847 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 848 dtp->dt_linkmode = DT_LINK_KERNEL; 849 dtp->dt_linktype = DT_LTYP_ELF; 850 dtp->dt_xlatemode = DT_XL_STATIC; 851 dtp->dt_stdcmode = DT_STDC_XA; 852 dtp->dt_version = version; 853 dtp->dt_fd = dtfd; 854 dtp->dt_ftfd = ftfd; 855 dtp->dt_fterr = fterr; 856 dtp->dt_cdefs_fd = -1; 857 dtp->dt_ddefs_fd = -1; 858 dtp->dt_stdout_fd = -1; 859 dtp->dt_modbuckets = _dtrace_strbuckets; 860 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 861 dtp->dt_provbuckets = _dtrace_strbuckets; 862 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 863 dt_proc_hash_create(dtp); 864 dtp->dt_vmax = DT_VERS_LATEST; 865 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 866 dtp->dt_cpp_argv = malloc(sizeof (char *)); 867 dtp->dt_cpp_argc = 1; 868 dtp->dt_cpp_args = 1; 869 dtp->dt_ld_path = strdup(_dtrace_defld); 870 dtp->dt_provmod = provmod; 871 dtp->dt_vector = vector; 872 dtp->dt_varg = arg; 873 dt_dof_init(dtp); 874 (void) uname(&dtp->dt_uts); 875 876 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 877 dtp->dt_procs == NULL || dtp->dt_ld_path == NULL || 878 dtp->dt_cpp_path == NULL || dtp->dt_cpp_argv == NULL) 879 return (set_open_errno(dtp, errp, EDT_NOMEM)); 880 881 for (i = 0; i < DTRACEOPT_MAX; i++) 882 dtp->dt_options[i] = DTRACEOPT_UNSET; 883 884 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 885 886 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 887 (uint_t)(sizeof (void *) * NBBY)); 888 889 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 890 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 891 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 892 893 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 894 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 895 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 896 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 897 dt_cpp_add_arg(dtp, isadef) == NULL || 898 dt_cpp_add_arg(dtp, utsdef) == NULL) 899 return (set_open_errno(dtp, errp, EDT_NOMEM)); 900 901 if (flags & DTRACE_O_NODEV) 902 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 903 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 904 return (set_open_errno(dtp, errp, errno)); 905 906 if (flags & DTRACE_O_LP64) 907 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 908 else if (flags & DTRACE_O_ILP32) 909 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 910 911 #ifdef __sparc 912 /* 913 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 914 * and __sparcv9 is defined if we are doing a 64-bit compile. 915 */ 916 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 917 return (set_open_errno(dtp, errp, EDT_NOMEM)); 918 919 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 920 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 921 return (set_open_errno(dtp, errp, EDT_NOMEM)); 922 #endif 923 924 #ifdef __x86 925 /* 926 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 927 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 928 * they are defined exclusive of one another (see PSARC 2004/619). 929 */ 930 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 931 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 932 return (set_open_errno(dtp, errp, EDT_NOMEM)); 933 } else { 934 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 935 return (set_open_errno(dtp, errp, EDT_NOMEM)); 936 } 937 #endif 938 939 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 940 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 941 942 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 943 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 944 else 945 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 946 947 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 948 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 949 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 950 951 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 952 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 953 954 dtp->dt_tls = dt_idhash_create("thread local", NULL, 955 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 956 957 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 958 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 959 return (set_open_errno(dtp, errp, EDT_NOMEM)); 960 961 /* 962 * Populate the dt_macros identifier hash table by hand: we can't use 963 * the dt_idhash_populate() mechanism because we're not yet compiling 964 * and dtrace_update() needs to immediately reference these idents. 965 */ 966 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 967 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 968 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 969 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 970 idp->di_iarg, 0) == NULL) 971 return (set_open_errno(dtp, errp, EDT_NOMEM)); 972 } 973 974 /* 975 * Update the module list using /system/object and load the values for 976 * the macro variable definitions according to the current process. 977 */ 978 dtrace_update(dtp); 979 980 /* 981 * Select the intrinsics and typedefs we want based on the data model. 982 * The intrinsics are under "C". The typedefs are added under "D". 983 */ 984 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 985 dinp = _dtrace_intrinsics_32; 986 dtyp = _dtrace_typedefs_32; 987 } else { 988 dinp = _dtrace_intrinsics_64; 989 dtyp = _dtrace_typedefs_64; 990 } 991 992 /* 993 * Create a dynamic CTF container under the "C" scope for intrinsic 994 * types and types defined in ANSI-C header files that are included. 995 */ 996 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 997 return (set_open_errno(dtp, errp, EDT_NOMEM)); 998 999 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1000 return (set_open_errno(dtp, errp, EDT_CTF)); 1001 1002 dt_dprintf("created CTF container for %s (%p)\n", 1003 dmp->dm_name, (void *)dmp->dm_ctfp); 1004 1005 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1006 ctf_setspecific(dmp->dm_ctfp, dmp); 1007 1008 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1009 dmp->dm_modid = -1; /* no module ID */ 1010 1011 /* 1012 * Fill the dynamic "C" CTF container with all of the intrinsic 1013 * integer and floating-point types appropriate for this data model. 1014 */ 1015 for (; dinp->din_name != NULL; dinp++) { 1016 if (dinp->din_kind == CTF_K_INTEGER) { 1017 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1018 dinp->din_name, &dinp->din_data); 1019 } else { 1020 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1021 dinp->din_name, &dinp->din_data); 1022 } 1023 1024 if (err == CTF_ERR) { 1025 dt_dprintf("failed to add %s to C container: %s\n", 1026 dinp->din_name, ctf_errmsg( 1027 ctf_errno(dmp->dm_ctfp))); 1028 return (set_open_errno(dtp, errp, EDT_CTF)); 1029 } 1030 } 1031 1032 if (ctf_update(dmp->dm_ctfp) != 0) { 1033 dt_dprintf("failed to update C container: %s\n", 1034 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1035 return (set_open_errno(dtp, errp, EDT_CTF)); 1036 } 1037 1038 /* 1039 * Add intrinsic pointer types that are needed to initialize printf 1040 * format dictionary types (see table in dt_printf.c). 1041 */ 1042 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1043 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1044 1045 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1046 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1047 1048 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1049 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1050 1051 if (ctf_update(dmp->dm_ctfp) != 0) { 1052 dt_dprintf("failed to update C container: %s\n", 1053 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1054 return (set_open_errno(dtp, errp, EDT_CTF)); 1055 } 1056 1057 /* 1058 * Create a dynamic CTF container under the "D" scope for types that 1059 * are defined by the D program itself or on-the-fly by the D compiler. 1060 * The "D" CTF container is a child of the "C" CTF container. 1061 */ 1062 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1063 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1064 1065 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1066 return (set_open_errno(dtp, errp, EDT_CTF)); 1067 1068 dt_dprintf("created CTF container for %s (%p)\n", 1069 dmp->dm_name, (void *)dmp->dm_ctfp); 1070 1071 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1072 ctf_setspecific(dmp->dm_ctfp, dmp); 1073 1074 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1075 dmp->dm_modid = -1; /* no module ID */ 1076 1077 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1078 dt_dprintf("failed to import D parent container: %s\n", 1079 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1080 return (set_open_errno(dtp, errp, EDT_CTF)); 1081 } 1082 1083 /* 1084 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1085 * that we need to use for our D variable and function definitions. 1086 * This ensures that basic inttypes.h names are always available to us. 1087 */ 1088 for (; dtyp->dty_src != NULL; dtyp++) { 1089 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1090 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1091 dtyp->dty_src)) == CTF_ERR) { 1092 dt_dprintf("failed to add typedef %s %s to D " 1093 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1094 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1095 return (set_open_errno(dtp, errp, EDT_CTF)); 1096 } 1097 } 1098 1099 /* 1100 * Insert a CTF ID corresponding to a pointer to a type of kind 1101 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1102 * CTF treats all function pointers as "int (*)()" so we only need one. 1103 */ 1104 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1105 ctc.ctc_argc = 0; 1106 ctc.ctc_flags = 0; 1107 1108 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1109 CTF_ADD_ROOT, &ctc, NULL); 1110 1111 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1112 CTF_ADD_ROOT, dtp->dt_type_func); 1113 1114 /* 1115 * We also insert CTF definitions for the special D intrinsic types 1116 * string and <DYN> into the D container. The string type is added 1117 * as a typedef of char[n]. The <DYN> type is an alias for void. 1118 * We compare types to these special CTF ids throughout the compiler. 1119 */ 1120 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1121 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1122 ctr.ctr_nelems = _dtrace_strsize; 1123 1124 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1125 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1126 1127 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1128 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1129 1130 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1131 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1132 1133 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1134 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1135 1136 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1137 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1138 1139 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1140 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1141 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1142 dtp->dt_type_usymaddr == CTF_ERR) { 1143 dt_dprintf("failed to add intrinsic to D container: %s\n", 1144 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1145 return (set_open_errno(dtp, errp, EDT_CTF)); 1146 } 1147 1148 if (ctf_update(dmp->dm_ctfp) != 0) { 1149 dt_dprintf("failed update D container: %s\n", 1150 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1151 return (set_open_errno(dtp, errp, EDT_CTF)); 1152 } 1153 1154 /* 1155 * Initialize the integer description table used to convert integer 1156 * constants to the appropriate types. Refer to the comments above 1157 * dt_node_int() for a complete description of how this table is used. 1158 */ 1159 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1160 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1161 dtp->dt_ints[i].did_name, &dtt) != 0) { 1162 dt_dprintf("failed to lookup integer type %s: %s\n", 1163 dtp->dt_ints[i].did_name, 1164 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1165 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1166 } 1167 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1168 dtp->dt_ints[i].did_type = dtt.dtt_type; 1169 } 1170 1171 /* 1172 * Now that we've created the "C" and "D" containers, move them to the 1173 * start of the module list so that these types and symbols are found 1174 * first (for stability) when iterating through the module list. 1175 */ 1176 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1177 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1178 1179 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1180 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1181 1182 if (dt_pfdict_create(dtp) == -1) 1183 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1184 1185 /* 1186 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1187 * because without /dev/dtrace open, we will not be able to load the 1188 * names and attributes of any providers or probes from the kernel. 1189 */ 1190 if (flags & DTRACE_O_NODEV) 1191 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1192 1193 /* 1194 * Load hard-wired inlines into the definition cache by calling the 1195 * compiler on the raw definition string defined above. 1196 */ 1197 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1198 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1199 dt_dprintf("failed to load hard-wired definitions: %s\n", 1200 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1201 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1202 } 1203 1204 dt_program_destroy(dtp, pgp); 1205 1206 /* 1207 * Set up the default DTrace library path. Once set, the next call to 1208 * dt_compile() will compile all the libraries. We intentionally defer 1209 * library processing to improve overhead for clients that don't ever 1210 * compile, and to provide better error reporting (because the full 1211 * reporting of compiler errors requires dtrace_open() to succeed). 1212 */ 1213 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1214 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1215 1216 return (dtp); 1217 } 1218 1219 dtrace_hdl_t * 1220 dtrace_open(int version, int flags, int *errp) 1221 { 1222 return (dt_vopen(version, flags, errp, NULL, NULL)); 1223 } 1224 1225 dtrace_hdl_t * 1226 dtrace_vopen(int version, int flags, int *errp, 1227 const dtrace_vector_t *vector, void *arg) 1228 { 1229 return (dt_vopen(version, flags, errp, vector, arg)); 1230 } 1231 1232 void 1233 dtrace_close(dtrace_hdl_t *dtp) 1234 { 1235 dt_ident_t *idp, *ndp; 1236 dt_module_t *dmp; 1237 dt_provider_t *pvp; 1238 dtrace_prog_t *pgp; 1239 dt_xlator_t *dxp; 1240 dt_dirpath_t *dirp; 1241 int i; 1242 1243 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1244 dt_program_destroy(dtp, pgp); 1245 1246 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1247 dt_xlator_destroy(dtp, dxp); 1248 1249 dt_free(dtp, dtp->dt_xlatormap); 1250 1251 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1252 ndp = idp->di_next; 1253 dt_ident_destroy(idp); 1254 } 1255 1256 if (dtp->dt_macros != NULL) 1257 dt_idhash_destroy(dtp->dt_macros); 1258 if (dtp->dt_aggs != NULL) 1259 dt_idhash_destroy(dtp->dt_aggs); 1260 if (dtp->dt_globals != NULL) 1261 dt_idhash_destroy(dtp->dt_globals); 1262 if (dtp->dt_tls != NULL) 1263 dt_idhash_destroy(dtp->dt_tls); 1264 1265 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1266 dt_module_destroy(dtp, dmp); 1267 1268 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1269 dt_provider_destroy(dtp, pvp); 1270 1271 if (dtp->dt_procs != NULL) 1272 dt_proc_hash_destroy(dtp); 1273 1274 if (dtp->dt_fd != -1) 1275 (void) close(dtp->dt_fd); 1276 if (dtp->dt_ftfd != -1) 1277 (void) close(dtp->dt_ftfd); 1278 if (dtp->dt_cdefs_fd != -1) 1279 (void) close(dtp->dt_cdefs_fd); 1280 if (dtp->dt_ddefs_fd != -1) 1281 (void) close(dtp->dt_ddefs_fd); 1282 if (dtp->dt_stdout_fd != -1) 1283 (void) close(dtp->dt_stdout_fd); 1284 1285 dt_epid_destroy(dtp); 1286 dt_aggid_destroy(dtp); 1287 dt_format_destroy(dtp); 1288 dt_buffered_destroy(dtp); 1289 dt_aggregate_destroy(dtp); 1290 free(dtp->dt_buf.dtbd_data); 1291 dt_pfdict_destroy(dtp); 1292 dt_provmod_destroy(&dtp->dt_provmod); 1293 dt_dof_fini(dtp); 1294 1295 for (i = 1; i < dtp->dt_cpp_argc; i++) 1296 free(dtp->dt_cpp_argv[i]); 1297 1298 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1299 dt_list_delete(&dtp->dt_lib_path, dirp); 1300 free(dirp->dir_path); 1301 free(dirp); 1302 } 1303 1304 free(dtp->dt_cpp_argv); 1305 free(dtp->dt_cpp_path); 1306 free(dtp->dt_ld_path); 1307 1308 free(dtp->dt_mods); 1309 free(dtp->dt_provs); 1310 free(dtp); 1311 } 1312 1313 int 1314 dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1315 { 1316 dt_provmod_t *prov; 1317 int i = 0; 1318 1319 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1320 if (i < nmods) 1321 mods[i] = prov->dp_name; 1322 } 1323 1324 return (i); 1325 } 1326 1327 int 1328 dtrace_ctlfd(dtrace_hdl_t *dtp) 1329 { 1330 return (dtp->dt_fd); 1331 } 1332