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 (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 25 * Copyright (c) 2012, 2016 by Delphix. All rights reserved. 26 */ 27 28 #include <sys/types.h> 29 #ifdef illumos 30 #include <sys/modctl.h> 31 #include <sys/systeminfo.h> 32 #else 33 #include <sys/param.h> 34 #include <sys/module.h> 35 #include <sys/linker.h> 36 #endif 37 #include <sys/resource.h> 38 39 #include <libelf.h> 40 #include <strings.h> 41 #ifdef illumos 42 #include <alloca.h> 43 #endif 44 #include <limits.h> 45 #include <unistd.h> 46 #include <stdlib.h> 47 #include <stdio.h> 48 #include <fcntl.h> 49 #include <errno.h> 50 #include <assert.h> 51 52 #define _POSIX_PTHREAD_SEMANTICS 53 #include <dirent.h> 54 #undef _POSIX_PTHREAD_SEMANTICS 55 56 #include <dt_impl.h> 57 #include <dt_program.h> 58 #include <dt_module.h> 59 #include <dt_printf.h> 60 #include <dt_string.h> 61 #include <dt_provider.h> 62 #ifndef illumos 63 #include <sys/sysctl.h> 64 #include <string.h> 65 #endif 66 #if defined(__i386__) 67 #include <ieeefp.h> 68 #endif 69 70 /* 71 * Stability and versioning definitions. These #defines are used in the tables 72 * of identifiers below to fill in the attribute and version fields associated 73 * with each identifier. The DT_ATTR_* macros are a convenience to permit more 74 * concise declarations of common attributes such as Stable/Stable/Common. The 75 * DT_VERS_* macros declare the encoded integer values of all versions used so 76 * far. DT_VERS_LATEST must correspond to the latest version value among all 77 * versions exported by the D compiler. DT_VERS_STRING must be an ASCII string 78 * that contains DT_VERS_LATEST within it along with any suffixes (e.g. Beta). 79 * You must update DT_VERS_LATEST and DT_VERS_STRING when adding a new version, 80 * and then add the new version to the _dtrace_versions[] array declared below. 81 * Refer to the Solaris Dynamic Tracing Guide Stability and Versioning chapters 82 * respectively for an explanation of these DTrace features and their values. 83 * 84 * NOTE: Although the DTrace versioning scheme supports the labeling and 85 * introduction of incompatible changes (e.g. dropping an interface in a 86 * major release), the libdtrace code does not currently support this. 87 * All versions are assumed to strictly inherit from one another. If 88 * we ever need to provide divergent interfaces, this will need work. 89 */ 90 #define DT_ATTR_STABCMN { DTRACE_STABILITY_STABLE, \ 91 DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON } 92 93 #define DT_ATTR_EVOLCMN { DTRACE_STABILITY_EVOLVING, \ 94 DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON \ 95 } 96 97 /* 98 * The version number should be increased for every customer visible release 99 * of DTrace. The major number should be incremented when a fundamental 100 * change has been made that would affect all consumers, and would reflect 101 * sweeping changes to DTrace or the D language. The minor number should be 102 * incremented when a change is introduced that could break scripts that had 103 * previously worked; for example, adding a new built-in variable could break 104 * a script which was already using that identifier. The micro number should 105 * be changed when introducing functionality changes or major bug fixes that 106 * do not affect backward compatibility -- this is merely to make capabilities 107 * easily determined from the version number. Minor bugs do not require any 108 * modification to the version number. 109 */ 110 #define DT_VERS_1_0 DT_VERSION_NUMBER(1, 0, 0) 111 #define DT_VERS_1_1 DT_VERSION_NUMBER(1, 1, 0) 112 #define DT_VERS_1_2 DT_VERSION_NUMBER(1, 2, 0) 113 #define DT_VERS_1_2_1 DT_VERSION_NUMBER(1, 2, 1) 114 #define DT_VERS_1_2_2 DT_VERSION_NUMBER(1, 2, 2) 115 #define DT_VERS_1_3 DT_VERSION_NUMBER(1, 3, 0) 116 #define DT_VERS_1_4 DT_VERSION_NUMBER(1, 4, 0) 117 #define DT_VERS_1_4_1 DT_VERSION_NUMBER(1, 4, 1) 118 #define DT_VERS_1_5 DT_VERSION_NUMBER(1, 5, 0) 119 #define DT_VERS_1_6 DT_VERSION_NUMBER(1, 6, 0) 120 #define DT_VERS_1_6_1 DT_VERSION_NUMBER(1, 6, 1) 121 #define DT_VERS_1_6_2 DT_VERSION_NUMBER(1, 6, 2) 122 #define DT_VERS_1_6_3 DT_VERSION_NUMBER(1, 6, 3) 123 #define DT_VERS_1_7 DT_VERSION_NUMBER(1, 7, 0) 124 #define DT_VERS_1_7_1 DT_VERSION_NUMBER(1, 7, 1) 125 #define DT_VERS_1_8 DT_VERSION_NUMBER(1, 8, 0) 126 #define DT_VERS_1_8_1 DT_VERSION_NUMBER(1, 8, 1) 127 #define DT_VERS_1_9 DT_VERSION_NUMBER(1, 9, 0) 128 #define DT_VERS_1_9_1 DT_VERSION_NUMBER(1, 9, 1) 129 #define DT_VERS_1_10 DT_VERSION_NUMBER(1, 10, 0) 130 #define DT_VERS_1_11 DT_VERSION_NUMBER(1, 11, 0) 131 #define DT_VERS_1_12 DT_VERSION_NUMBER(1, 12, 0) 132 #define DT_VERS_1_12_1 DT_VERSION_NUMBER(1, 12, 1) 133 #define DT_VERS_1_13 DT_VERSION_NUMBER(1, 13, 0) 134 #define DT_VERS_LATEST DT_VERS_1_13 135 #define DT_VERS_STRING "Sun D 1.13" 136 137 const dt_version_t _dtrace_versions[] = { 138 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 139 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 140 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 141 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 142 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 143 DT_VERS_1_3, /* D API 1.3 Solaris Express 10/06 */ 144 DT_VERS_1_4, /* D API 1.4 Solaris Express 2/07 */ 145 DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */ 146 DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */ 147 DT_VERS_1_6, /* D API 1.6 */ 148 DT_VERS_1_6_1, /* D API 1.6.1 */ 149 DT_VERS_1_6_2, /* D API 1.6.2 */ 150 DT_VERS_1_6_3, /* D API 1.6.3 */ 151 DT_VERS_1_7, /* D API 1.7 */ 152 DT_VERS_1_7_1, /* D API 1.7.1 */ 153 DT_VERS_1_8, /* D API 1.8 */ 154 DT_VERS_1_8_1, /* D API 1.8.1 */ 155 DT_VERS_1_9, /* D API 1.9 */ 156 DT_VERS_1_9_1, /* D API 1.9.1 */ 157 DT_VERS_1_10, /* D API 1.10 */ 158 DT_VERS_1_11, /* D API 1.11 */ 159 DT_VERS_1_12, /* D API 1.12 */ 160 DT_VERS_1_12_1, /* D API 1.12.1 */ 161 DT_VERS_1_13, /* D API 1.13 */ 162 0 163 }; 164 165 /* 166 * Global variables that are formatted on FreeBSD based on the kernel file name. 167 */ 168 #ifndef illumos 169 static char curthread_str[MAXPATHLEN]; 170 static char intmtx_str[MAXPATHLEN]; 171 static char threadmtx_str[MAXPATHLEN]; 172 static char rwlock_str[MAXPATHLEN]; 173 static char sxlock_str[MAXPATHLEN]; 174 #endif 175 176 /* 177 * Table of global identifiers. This is used to populate the global identifier 178 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 179 * The global identifiers that represent functions use the dt_idops_func ops 180 * and specify the private data pointer as a prototype string which is parsed 181 * when the identifier is first encountered. These prototypes look like ANSI 182 * C function prototypes except that the special symbol "@" can be used as a 183 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 184 * The standard "..." notation can also be used to represent varargs. An empty 185 * parameter list is taken to mean void (that is, no arguments are permitted). 186 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 187 * argument. 188 */ 189 static const dt_ident_t _dtrace_globals[] = { 190 { "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 191 &dt_idops_func, "void *(size_t)" }, 192 { "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 193 &dt_idops_type, "int64_t" }, 194 { "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 195 &dt_idops_type, "int64_t" }, 196 { "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 197 &dt_idops_type, "int64_t" }, 198 { "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 199 &dt_idops_type, "int64_t" }, 200 { "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 201 &dt_idops_type, "int64_t" }, 202 { "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 203 &dt_idops_type, "int64_t" }, 204 { "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 205 &dt_idops_type, "int64_t" }, 206 { "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 207 &dt_idops_type, "int64_t" }, 208 { "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 209 &dt_idops_type, "int64_t" }, 210 { "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 211 &dt_idops_type, "int64_t" }, 212 { "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 213 &dt_idops_args, NULL }, 214 { "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 215 &dt_idops_func, "void(@)" }, 216 { "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 217 &dt_idops_func, "string(const char *)" }, 218 { "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 219 &dt_idops_func, "void(void *, void *, size_t)" }, 220 { "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 221 DT_ATTR_STABCMN, DT_VERS_1_0, 222 &dt_idops_func, "void()" }, 223 { "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 224 &dt_idops_type, "uintptr_t" }, 225 { "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 226 &dt_idops_func, "void(int)" }, 227 { "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 228 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 229 { "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 230 &dt_idops_func, "void(...)" }, 231 { "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 232 &dt_idops_func, "void(int)" }, 233 { "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 234 &dt_idops_func, "void *(uintptr_t, size_t)" }, 235 { "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 236 DT_ATTR_STABCMN, DT_VERS_1_0, 237 &dt_idops_func, "string(uintptr_t, [size_t])" }, 238 { "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 239 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 240 { "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 241 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 242 { "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 243 DT_ATTR_STABCMN, DT_VERS_1_0, 244 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 245 { "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 246 &dt_idops_func, "void()" }, 247 { "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 248 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 249 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 250 #ifdef illumos 251 &dt_idops_type, "genunix`kthread_t *" }, 252 #else 253 &dt_idops_type, curthread_str }, 254 #endif 255 { "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 256 DT_ATTR_EVOLCMN, DT_VERS_1_0, 257 &dt_idops_func, "string(void *, int64_t)" }, 258 { "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 259 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 260 { "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 261 &dt_idops_func, "string(const char *)" }, 262 { "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 263 &dt_idops_func, "void(int)" }, 264 { "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 265 &dt_idops_type, "uint_t" }, 266 { "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 267 &dt_idops_type, "int" }, 268 { "execargs", DT_IDENT_SCALAR, 0, DIF_VAR_EXECARGS, 269 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 270 { "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 271 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 272 { "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 273 &dt_idops_func, "void(int)" }, 274 { "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 275 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 276 { "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 277 DT_VERS_1_0, &dt_idops_func, "void()" }, 278 { "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 279 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 280 { "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 281 DT_ATTR_EVOLCMN, DT_VERS_1_0, 282 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 283 { "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 284 DT_ATTR_EVOLCMN, DT_VERS_1_0, 285 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 286 { "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 287 &dt_idops_func, "uint32_t(uint32_t)" }, 288 { "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 289 &dt_idops_func, "uint64_t(uint64_t)" }, 290 { "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 291 &dt_idops_func, "uint16_t(uint16_t)" }, 292 { "getf", DT_IDENT_FUNC, 0, DIF_SUBR_GETF, DT_ATTR_STABCMN, DT_VERS_1_10, 293 &dt_idops_func, "file_t *(int)" }, 294 { "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 295 &dt_idops_type, "gid_t" }, 296 { "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 297 &dt_idops_type, "uint_t" }, 298 { "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 299 &dt_idops_func, "int(const char *, const char *, [int])" }, 300 { "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 301 #ifdef illumos 302 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 303 #else 304 DT_VERS_1_5, &dt_idops_func, "string(in_addr_t *)" }, 305 #endif 306 { "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 307 #ifdef illumos 308 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 309 #else 310 DT_VERS_1_5, &dt_idops_func, "string(struct in6_addr *)" }, 311 #endif 312 { "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 313 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 314 { "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 315 &dt_idops_type, "uint_t" }, 316 #ifdef __FreeBSD__ 317 { "jailname", DT_IDENT_SCALAR, 0, DIF_VAR_JAILNAME, 318 DT_ATTR_STABCMN, DT_VERS_1_13, &dt_idops_type, "string" }, 319 { "jid", DT_IDENT_SCALAR, 0, DIF_VAR_JID, DT_ATTR_STABCMN, DT_VERS_1_13, 320 &dt_idops_type, "int" }, 321 #endif 322 { "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, 323 &dt_idops_func, "string(const char *, const char *)" }, 324 { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 325 &dt_idops_func, "stack(...)" }, 326 { "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 327 &dt_idops_func, "string(int64_t, [int])" }, 328 { "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 329 DT_VERS_1_7, &dt_idops_func, 330 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 331 { "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 332 DT_ATTR_STABCMN, DT_VERS_1_0, 333 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 334 { "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 335 &dt_idops_func, "void(@)" }, 336 { "memref", DT_IDENT_FUNC, 0, DIF_SUBR_MEMREF, DT_ATTR_STABCMN, DT_VERS_1_1, 337 &dt_idops_func, "uintptr_t *(void *, size_t)" }, 338 #ifndef illumos 339 { "memstr", DT_IDENT_FUNC, 0, DIF_SUBR_MEMSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 340 &dt_idops_func, "string(void *, char, size_t)" }, 341 #endif 342 { "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 343 &dt_idops_func, "void(@)" }, 344 { "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 345 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 346 #ifdef illumos 347 { "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 348 DT_ATTR_STABCMN, DT_VERS_1_0, 349 &dt_idops_func, "size_t(mblk_t *)" }, 350 { "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 351 DT_ATTR_STABCMN, DT_VERS_1_0, 352 &dt_idops_func, "size_t(mblk_t *)" }, 353 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 354 DT_ATTR_EVOLCMN, DT_VERS_1_0, 355 &dt_idops_func, "int(genunix`kmutex_t *)" }, 356 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 357 DT_ATTR_EVOLCMN, DT_VERS_1_0, 358 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 359 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 360 DT_ATTR_EVOLCMN, DT_VERS_1_0, 361 &dt_idops_func, "int(genunix`kmutex_t *)" }, 362 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 363 DT_ATTR_EVOLCMN, DT_VERS_1_0, 364 &dt_idops_func, "int(genunix`kmutex_t *)" }, 365 #else 366 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 367 DT_ATTR_EVOLCMN, DT_VERS_1_0, 368 &dt_idops_func, intmtx_str }, 369 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 370 DT_ATTR_EVOLCMN, DT_VERS_1_0, 371 &dt_idops_func, threadmtx_str }, 372 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 373 DT_ATTR_EVOLCMN, DT_VERS_1_0, 374 &dt_idops_func, intmtx_str }, 375 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 376 DT_ATTR_EVOLCMN, DT_VERS_1_0, 377 &dt_idops_func, intmtx_str }, 378 #endif 379 { "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 380 &dt_idops_func, "uint32_t(uint32_t)" }, 381 { "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 382 &dt_idops_func, "uint64_t(uint64_t)" }, 383 { "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 384 &dt_idops_func, "uint16_t(uint16_t)" }, 385 { "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 386 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 387 { "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 388 &dt_idops_func, "void()" }, 389 { "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 390 &dt_idops_type, "pid_t" }, 391 { "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 392 &dt_idops_type, "pid_t" }, 393 { "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 394 &dt_idops_func, "void(@)" }, 395 { "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 396 &dt_idops_func, "void(@, ...)" }, 397 { "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 398 &dt_idops_func, "void(@, ...)" }, 399 { "printm", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTM, DT_ATTR_STABCMN, DT_VERS_1_0, 400 &dt_idops_func, "void(size_t, uintptr_t *)" }, 401 { "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 402 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 403 { "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 404 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 405 { "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 406 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 407 { "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 408 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 409 { "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 410 DT_ATTR_STABCMN, DT_VERS_1_0, 411 &dt_idops_func, "int(pid_t)" }, 412 { "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 413 DT_ATTR_STABCMN, DT_VERS_1_0, 414 &dt_idops_func, "void(@, ...)" }, 415 { "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 416 &dt_idops_func, "void(int)" }, 417 { "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 418 &dt_idops_func, "int()" }, 419 { "regs", DT_IDENT_ARRAY, 0, DIF_VAR_REGS, DT_ATTR_STABCMN, DT_VERS_1_13, 420 &dt_idops_regs, NULL }, 421 { "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 422 &dt_idops_func, "int(const char *, const char *, [int])" }, 423 #ifdef illumos 424 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 425 DT_ATTR_EVOLCMN, DT_VERS_1_0, 426 &dt_idops_func, "int(genunix`krwlock_t *)" }, 427 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 428 DT_ATTR_EVOLCMN, DT_VERS_1_0, 429 &dt_idops_func, "int(genunix`krwlock_t *)" }, 430 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 431 DT_ATTR_EVOLCMN, DT_VERS_1_0, 432 &dt_idops_func, "int(genunix`krwlock_t *)" }, 433 #else 434 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 435 DT_ATTR_EVOLCMN, DT_VERS_1_0, 436 &dt_idops_func, rwlock_str }, 437 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 438 DT_ATTR_EVOLCMN, DT_VERS_1_0, 439 &dt_idops_func, rwlock_str }, 440 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 441 DT_ATTR_EVOLCMN, DT_VERS_1_0, 442 &dt_idops_func, rwlock_str }, 443 #endif 444 { "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 445 &dt_idops_type, "void" }, 446 { "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 447 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 448 { "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 449 DT_ATTR_STABCMN, DT_VERS_1_0, 450 &dt_idops_func, "void(int)" }, 451 { "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 452 DT_ATTR_STABCMN, DT_VERS_1_0, 453 &dt_idops_func, "int()" }, 454 { "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 455 &dt_idops_func, "stack(...)" }, 456 { "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 457 DT_ATTR_STABCMN, DT_VERS_1_0, 458 &dt_idops_type, "uint32_t" }, 459 { "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 460 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 461 { "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 462 &dt_idops_func, "void()" }, 463 { "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 464 &dt_idops_func, "string(const char *, char)" }, 465 { "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 466 &dt_idops_func, "size_t(const char *)" }, 467 { "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 468 &dt_idops_func, "string(const char *, const char *)" }, 469 { "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 470 &dt_idops_func, "string(const char *, char)" }, 471 { "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 472 &dt_idops_func, "string(const char *, const char *)" }, 473 { "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 474 &dt_idops_func, "string(const char *, const char *)" }, 475 { "strtoll", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOLL, DT_ATTR_STABCMN, DT_VERS_1_11, 476 &dt_idops_func, "int64_t(const char *, [int])" }, 477 { "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 478 &dt_idops_func, "string(const char *, int, [int])" }, 479 { "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 480 &dt_idops_func, "void(@)" }, 481 #ifndef illumos 482 { "sx_isexclusive", DT_IDENT_FUNC, 0, DIF_SUBR_SX_ISEXCLUSIVE, 483 DT_ATTR_EVOLCMN, DT_VERS_1_0, 484 &dt_idops_func, sxlock_str }, 485 { "sx_shared_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_SHARED_HELD, 486 DT_ATTR_EVOLCMN, DT_VERS_1_0, 487 &dt_idops_func, sxlock_str }, 488 { "sx_exclusive_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_EXCLUSIVE_HELD, 489 DT_ATTR_EVOLCMN, DT_VERS_1_0, 490 &dt_idops_func, sxlock_str }, 491 #endif 492 { "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 493 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 494 { "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 495 &dt_idops_func, "void(@, ...)" }, 496 { "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 497 &dt_idops_type, "void" }, 498 { "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 499 &dt_idops_type, "id_t" }, 500 { "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 501 DT_ATTR_STABCMN, DT_VERS_1_0, 502 &dt_idops_type, "uint64_t" }, 503 { "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 504 &dt_idops_func, "string(const char *)" }, 505 { "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 506 &dt_idops_func, "string(const char *)" }, 507 { "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 508 &dt_idops_func, "void(@)" }, 509 { "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 510 DT_ATTR_STABCMN, DT_VERS_1_0, 511 &dt_idops_func, "void(@, size_t, ...)" }, 512 { "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 513 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 514 { "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 515 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 516 { "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 517 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 518 { "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 519 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 520 { "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 521 &dt_idops_type, "uid_t" }, 522 { "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 523 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 524 { "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 525 &dt_idops_regs, NULL }, 526 { "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 527 &dt_idops_func, "stack(...)" }, 528 { "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 529 DT_ATTR_STABCMN, DT_VERS_1_2, 530 &dt_idops_type, "uint32_t" }, 531 { "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 532 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 533 { "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 534 DT_ATTR_STABCMN, DT_VERS_1_0, 535 &dt_idops_type, "uint64_t" }, 536 { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 537 DT_ATTR_STABCMN, DT_VERS_1_0, 538 &dt_idops_type, "int64_t" }, 539 { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 540 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 541 542 #ifndef illumos 543 { "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, 544 DT_ATTR_STABCMN, DT_VERS_1_6_3, &dt_idops_type, "int" }, 545 #endif 546 547 { NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 548 }; 549 550 /* 551 * Tables of ILP32 intrinsic integer and floating-point type templates to use 552 * to populate the dynamic "C" CTF type container. 553 */ 554 static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 555 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 556 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 557 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 558 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 559 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 560 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 561 { "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 562 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 563 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 564 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 565 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 566 { "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 567 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 568 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 569 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 570 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 571 { "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 572 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 573 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 574 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 575 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 576 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 577 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 578 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 579 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 580 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 581 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 582 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 583 { NULL, { 0, 0, 0 }, 0 } 584 }; 585 586 /* 587 * Tables of LP64 intrinsic integer and floating-point type templates to use 588 * to populate the dynamic "C" CTF type container. 589 */ 590 static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 591 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 592 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 593 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 594 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 595 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 596 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 597 { "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 598 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 599 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 600 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 601 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 602 { "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 603 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 604 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 605 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 606 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 607 { "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 608 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 609 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 610 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 611 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 612 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 613 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 614 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 615 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 616 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 617 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 618 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 619 { NULL, { 0, 0, 0 }, 0 } 620 }; 621 622 /* 623 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 624 * These aliases ensure that D definitions can use typical <sys/types.h> names. 625 */ 626 static const dt_typedef_t _dtrace_typedefs_32[] = { 627 { "char", "int8_t" }, 628 { "short", "int16_t" }, 629 { "int", "int32_t" }, 630 { "long long", "int64_t" }, 631 { "int", "intptr_t" }, 632 { "int", "ssize_t" }, 633 { "unsigned char", "uint8_t" }, 634 { "unsigned short", "uint16_t" }, 635 { "unsigned", "uint32_t" }, 636 { "unsigned long long", "uint64_t" }, 637 { "unsigned char", "uchar_t" }, 638 { "unsigned short", "ushort_t" }, 639 { "unsigned", "uint_t" }, 640 { "unsigned long", "ulong_t" }, 641 { "unsigned long long", "u_longlong_t" }, 642 { "int", "ptrdiff_t" }, 643 { "unsigned", "uintptr_t" }, 644 { "unsigned", "size_t" }, 645 { "long", "id_t" }, 646 { "long", "pid_t" }, 647 { NULL, NULL } 648 }; 649 650 /* 651 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 652 * These aliases ensure that D definitions can use typical <sys/types.h> names. 653 */ 654 static const dt_typedef_t _dtrace_typedefs_64[] = { 655 { "char", "int8_t" }, 656 { "short", "int16_t" }, 657 { "int", "int32_t" }, 658 { "long", "int64_t" }, 659 { "long", "intptr_t" }, 660 { "long", "ssize_t" }, 661 { "unsigned char", "uint8_t" }, 662 { "unsigned short", "uint16_t" }, 663 { "unsigned", "uint32_t" }, 664 { "unsigned long", "uint64_t" }, 665 { "unsigned char", "uchar_t" }, 666 { "unsigned short", "ushort_t" }, 667 { "unsigned", "uint_t" }, 668 { "unsigned long", "ulong_t" }, 669 { "unsigned long long", "u_longlong_t" }, 670 { "long", "ptrdiff_t" }, 671 { "unsigned long", "uintptr_t" }, 672 { "unsigned long", "size_t" }, 673 { "int", "id_t" }, 674 { "int", "pid_t" }, 675 { NULL, NULL } 676 }; 677 678 /* 679 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 680 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 681 */ 682 static const dt_intdesc_t _dtrace_ints_32[] = { 683 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 684 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 685 { "long", NULL, CTF_ERR, 0x7fffffffULL }, 686 { "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 687 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 688 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 689 }; 690 691 /* 692 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 693 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 694 */ 695 static const dt_intdesc_t _dtrace_ints_64[] = { 696 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 697 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 698 { "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 699 { "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 700 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 701 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 702 }; 703 704 /* 705 * Table of macro variable templates used to populate the macro identifier hash 706 * when a new dtrace client open occurs. Values are set by dtrace_update(). 707 */ 708 static const dt_ident_t _dtrace_macros[] = { 709 { "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 710 { "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 711 { "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 712 { "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 713 { "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 714 { "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 715 { "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 716 { "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 717 { "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 718 { "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 719 { "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 720 { NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 721 }; 722 723 /* 724 * Hard-wired definition string to be compiled and cached every time a new 725 * DTrace library handle is initialized. This string should only be used to 726 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 727 */ 728 static const char _dtrace_hardwire[] = "\ 729 inline long NULL = 0; \n\ 730 #pragma D binding \"1.0\" NULL\n\ 731 "; 732 733 /* 734 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 735 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 736 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 737 * relying on the fact that when running dtrace(1M), isaexec will invoke the 738 * binary with the same bitness as the kernel, which is what we want by default 739 * when generating our DIF. The user can override the choice using oflags. 740 */ 741 static const dtrace_conf_t _dtrace_conf = { 742 DIF_VERSION, /* dtc_difversion */ 743 DIF_DIR_NREGS, /* dtc_difintregs */ 744 DIF_DTR_NREGS, /* dtc_diftupregs */ 745 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 746 }; 747 748 const dtrace_attribute_t _dtrace_maxattr = { 749 DTRACE_STABILITY_MAX, 750 DTRACE_STABILITY_MAX, 751 DTRACE_CLASS_MAX 752 }; 753 754 const dtrace_attribute_t _dtrace_defattr = { 755 DTRACE_STABILITY_STABLE, 756 DTRACE_STABILITY_STABLE, 757 DTRACE_CLASS_COMMON 758 }; 759 760 const dtrace_attribute_t _dtrace_symattr = { 761 DTRACE_STABILITY_PRIVATE, 762 DTRACE_STABILITY_PRIVATE, 763 DTRACE_CLASS_UNKNOWN 764 }; 765 766 const dtrace_attribute_t _dtrace_typattr = { 767 DTRACE_STABILITY_PRIVATE, 768 DTRACE_STABILITY_PRIVATE, 769 DTRACE_CLASS_UNKNOWN 770 }; 771 772 const dtrace_attribute_t _dtrace_prvattr = { 773 DTRACE_STABILITY_PRIVATE, 774 DTRACE_STABILITY_PRIVATE, 775 DTRACE_CLASS_UNKNOWN 776 }; 777 778 const dtrace_pattr_t _dtrace_prvdesc = { 779 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 780 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 781 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 782 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 783 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 784 }; 785 786 #ifdef illumos 787 const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 788 const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 789 #else 790 const char *_dtrace_defcpp = "cpp"; /* default cpp(1) to invoke */ 791 const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */ 792 const char *_dtrace_defobjcopy = "objcopy"; /* default objcopy(1) to invoke */ 793 #endif 794 795 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 796 #ifdef illumos 797 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 798 #else 799 const char *_dtrace_libdir32 = "/usr/lib32/dtrace"; 800 const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */ 801 #endif 802 803 int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 804 int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 805 uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 806 uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 807 uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 808 uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 809 size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 810 int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 811 812 int _dtrace_debug = 0; /* debug messages enabled (off) */ 813 const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 814 int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 815 816 typedef struct dt_fdlist { 817 int *df_fds; /* array of provider driver file descriptors */ 818 uint_t df_ents; /* number of valid elements in df_fds[] */ 819 uint_t df_size; /* size of df_fds[] */ 820 } dt_fdlist_t; 821 822 #ifdef illumos 823 #pragma init(_dtrace_init) 824 #else 825 void _dtrace_init(void) __attribute__ ((constructor)); 826 #endif 827 void 828 _dtrace_init(void) 829 { 830 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 831 832 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 833 if (rd_init(_dtrace_rdvers) == RD_OK) 834 break; 835 } 836 #if defined(__i386__) 837 /* make long doubles 64 bits -sson */ 838 (void) fpsetprec(FP_PE); 839 #endif 840 } 841 842 static dtrace_hdl_t * 843 set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 844 { 845 if (dtp != NULL) 846 dtrace_close(dtp); 847 if (errp != NULL) 848 *errp = err; 849 return (NULL); 850 } 851 852 static void 853 dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 854 { 855 dt_provmod_t *prov; 856 char path[PATH_MAX]; 857 int fd; 858 #ifdef illumos 859 struct dirent *dp, *ep; 860 DIR *dirp; 861 862 if ((dirp = opendir(_dtrace_provdir)) == NULL) 863 return; /* failed to open directory; just skip it */ 864 865 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 866 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 867 868 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 869 if (dp->d_name[0] == '.') 870 continue; /* skip "." and ".." */ 871 872 if (dfp->df_ents == dfp->df_size) { 873 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 874 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 875 876 if (fds == NULL) 877 break; /* skip the rest of this directory */ 878 879 dfp->df_fds = fds; 880 dfp->df_size = size; 881 } 882 883 (void) snprintf(path, sizeof (path), "%s/%s", 884 _dtrace_provdir, dp->d_name); 885 886 if ((fd = open(path, O_RDONLY)) == -1) 887 continue; /* failed to open driver; just skip it */ 888 889 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 890 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 891 free(prov); 892 (void) close(fd); 893 break; 894 } 895 896 (void) strcpy(prov->dp_name, dp->d_name); 897 prov->dp_next = *provmod; 898 *provmod = prov; 899 900 dt_dprintf("opened provider %s\n", dp->d_name); 901 dfp->df_fds[dfp->df_ents++] = fd; 902 } 903 904 (void) closedir(dirp); 905 #else /* !illumos */ 906 char *p; 907 char *p1; 908 char *p_providers = NULL; 909 int error; 910 size_t len = 0; 911 912 /* 913 * Loop to allocate/reallocate memory for the string of provider 914 * names and retry: 915 */ 916 while(1) { 917 /* 918 * The first time around, get the string length. The next time, 919 * hopefully we've allocated enough memory. 920 */ 921 error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0); 922 if (len == 0) 923 /* No providers? That's strange. Where's dtrace? */ 924 break; 925 else if (error == 0 && p_providers == NULL) { 926 /* 927 * Allocate the initial memory which should be enough 928 * unless another provider loads before we have 929 * time to go back and get the string. 930 */ 931 if ((p_providers = malloc(len)) == NULL) 932 /* How do we report errors here? */ 933 return; 934 } else if (error == -1 && errno == ENOMEM) { 935 /* 936 * The current buffer isn't large enough, so 937 * reallocate it. We normally won't need to do this 938 * because providers aren't being loaded all the time. 939 */ 940 if ((p = realloc(p_providers,len)) == NULL) { 941 free(p_providers); 942 /* How do we report errors here? */ 943 return; 944 } 945 p_providers = p; 946 } else 947 break; 948 } 949 950 /* Check if we got a string of provider names: */ 951 if (error == 0 && len > 0 && p_providers != NULL) { 952 p = p_providers; 953 954 /* 955 * Parse the string containing the space separated 956 * provider names. 957 */ 958 while ((p1 = strsep(&p," ")) != NULL) { 959 if (dfp->df_ents == dfp->df_size) { 960 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 961 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 962 963 if (fds == NULL) 964 break; 965 966 dfp->df_fds = fds; 967 dfp->df_size = size; 968 } 969 970 (void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1); 971 972 if ((fd = open(path, O_RDONLY | O_CLOEXEC)) == -1) 973 continue; /* failed to open driver; just skip it */ 974 975 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 976 (prov->dp_name = malloc(strlen(p1) + 1)) == NULL) { 977 free(prov); 978 (void) close(fd); 979 break; 980 } 981 982 (void) strcpy(prov->dp_name, p1); 983 prov->dp_next = *provmod; 984 *provmod = prov; 985 986 dt_dprintf("opened provider %s\n", p1); 987 dfp->df_fds[dfp->df_ents++] = fd; 988 } 989 } 990 if (p_providers != NULL) 991 free(p_providers); 992 #endif /* illumos */ 993 } 994 995 static void 996 dt_provmod_destroy(dt_provmod_t **provmod) 997 { 998 dt_provmod_t *next, *current; 999 1000 for (current = *provmod; current != NULL; current = next) { 1001 next = current->dp_next; 1002 free(current->dp_name); 1003 free(current); 1004 } 1005 1006 *provmod = NULL; 1007 } 1008 1009 #ifdef illumos 1010 static const char * 1011 dt_get_sysinfo(int cmd, char *buf, size_t len) 1012 { 1013 ssize_t rv = sysinfo(cmd, buf, len); 1014 char *p = buf; 1015 1016 if (rv < 0 || rv > len) 1017 (void) snprintf(buf, len, "%s", "Unknown"); 1018 1019 while ((p = strchr(p, '.')) != NULL) 1020 *p++ = '_'; 1021 1022 return (buf); 1023 } 1024 #endif 1025 1026 static dtrace_hdl_t * 1027 dt_vopen(int version, int flags, int *errp, 1028 const dtrace_vector_t *vector, void *arg) 1029 { 1030 dtrace_hdl_t *dtp = NULL; 1031 int dtfd = -1, ftfd = -1, fterr = 0; 1032 dtrace_prog_t *pgp; 1033 dt_module_t *dmp; 1034 dt_provmod_t *provmod = NULL; 1035 int i, err; 1036 struct rlimit rl; 1037 1038 const dt_intrinsic_t *dinp; 1039 const dt_typedef_t *dtyp; 1040 const dt_ident_t *idp; 1041 1042 dtrace_typeinfo_t dtt; 1043 ctf_funcinfo_t ctc; 1044 ctf_arinfo_t ctr; 1045 1046 dt_fdlist_t df = { NULL, 0, 0 }; 1047 1048 char isadef[32], utsdef[32]; 1049 char s1[64], s2[64]; 1050 1051 if (version <= 0) 1052 return (set_open_errno(dtp, errp, EINVAL)); 1053 1054 if (version > DTRACE_VERSION) 1055 return (set_open_errno(dtp, errp, EDT_VERSION)); 1056 1057 if (version < DTRACE_VERSION) { 1058 /* 1059 * Currently, increasing the library version number is used to 1060 * denote a binary incompatible change. That is, a consumer 1061 * of the library cannot run on a version of the library with 1062 * a higher DTRACE_VERSION number than the consumer compiled 1063 * against. Once the library API has been committed to, 1064 * backwards binary compatibility will be required; at that 1065 * time, this check should change to return EDT_OVERSION only 1066 * if the specified version number is less than the version 1067 * number at the time of interface commitment. 1068 */ 1069 return (set_open_errno(dtp, errp, EDT_OVERSION)); 1070 } 1071 1072 if (flags & ~DTRACE_O_MASK) 1073 return (set_open_errno(dtp, errp, EINVAL)); 1074 1075 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 1076 return (set_open_errno(dtp, errp, EINVAL)); 1077 1078 if (vector == NULL && arg != NULL) 1079 return (set_open_errno(dtp, errp, EINVAL)); 1080 1081 if (elf_version(EV_CURRENT) == EV_NONE) 1082 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 1083 1084 if (vector != NULL || (flags & DTRACE_O_NODEV)) 1085 goto alloc; /* do not attempt to open dtrace device */ 1086 1087 /* 1088 * Before we get going, crank our limit on file descriptors up to the 1089 * hard limit. This is to allow for the fact that libproc keeps file 1090 * descriptors to objects open for the lifetime of the proc handle; 1091 * without raising our hard limit, we would have an acceptably small 1092 * bound on the number of processes that we could concurrently 1093 * instrument with the pid provider. 1094 */ 1095 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 1096 rl.rlim_cur = rl.rlim_max; 1097 (void) setrlimit(RLIMIT_NOFILE, &rl); 1098 } 1099 1100 /* 1101 * Get the device path of each of the providers. We hold them open 1102 * in the df.df_fds list until we open the DTrace driver itself, 1103 * allowing us to see all of the probes provided on this system. Once 1104 * we have the DTrace driver open, we can safely close all the providers 1105 * now that they have registered with the framework. 1106 */ 1107 dt_provmod_open(&provmod, &df); 1108 1109 dtfd = open("/dev/dtrace/dtrace", O_RDWR | O_CLOEXEC); 1110 err = dtfd == -1 ? errno : 0; /* save errno from opening dtfd */ 1111 #if defined(__FreeBSD__) 1112 /* 1113 * Automatically load the 'dtraceall' module if we couldn't open the 1114 * char device. 1115 */ 1116 if (err == ENOENT && modfind("dtraceall") < 0) { 1117 kldload("dtraceall"); /* ignore the error */ 1118 dtfd = open("/dev/dtrace/dtrace", O_RDWR | O_CLOEXEC); 1119 err = errno; 1120 } 1121 #endif 1122 #ifdef illumos 1123 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 1124 #else 1125 ftfd = open("/dev/dtrace/fasttrap", O_RDWR | O_CLOEXEC); 1126 #endif 1127 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 1128 1129 while (df.df_ents-- != 0) 1130 (void) close(df.df_fds[df.df_ents]); 1131 1132 free(df.df_fds); 1133 1134 /* 1135 * If we failed to open the dtrace device, fail dtrace_open(). 1136 * We convert some kernel errnos to custom libdtrace errnos to 1137 * improve the resulting message from the usual strerror(). 1138 */ 1139 if (dtfd == -1) { 1140 dt_provmod_destroy(&provmod); 1141 switch (err) { 1142 case ENOENT: 1143 err = EDT_NOENT; 1144 break; 1145 case EBUSY: 1146 err = EDT_BUSY; 1147 break; 1148 case EACCES: 1149 err = EDT_ACCESS; 1150 break; 1151 } 1152 return (set_open_errno(dtp, errp, err)); 1153 } 1154 1155 alloc: 1156 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) { 1157 dt_provmod_destroy(&provmod); 1158 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1159 } 1160 1161 bzero(dtp, sizeof (dtrace_hdl_t)); 1162 dtp->dt_oflags = flags; 1163 #ifdef illumos 1164 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 1165 #else 1166 dtp->dt_prcmode = DT_PROC_STOP_POSTINIT; 1167 #endif 1168 dtp->dt_linkmode = DT_LINK_KERNEL; 1169 dtp->dt_linktype = DT_LTYP_ELF; 1170 dtp->dt_xlatemode = DT_XL_STATIC; 1171 dtp->dt_stdcmode = DT_STDC_XA; 1172 dtp->dt_encoding = DT_ENCODING_UNSET; 1173 dtp->dt_version = version; 1174 dtp->dt_fd = dtfd; 1175 dtp->dt_ftfd = ftfd; 1176 dtp->dt_kinstfd = -1; 1177 dtp->dt_fterr = fterr; 1178 dtp->dt_cdefs_fd = -1; 1179 dtp->dt_ddefs_fd = -1; 1180 #ifdef illumos 1181 dtp->dt_stdout_fd = -1; 1182 #else 1183 dtp->dt_freopen_fp = NULL; 1184 #endif 1185 dtp->dt_modbuckets = _dtrace_strbuckets; 1186 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1187 #ifdef __FreeBSD__ 1188 dtp->dt_kmods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1189 #endif 1190 dtp->dt_provbuckets = _dtrace_strbuckets; 1191 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 1192 dt_proc_init(dtp); 1193 dtp->dt_vmax = DT_VERS_LATEST; 1194 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 1195 dtp->dt_cpp_argv = malloc(sizeof (char *)); 1196 dtp->dt_cpp_argc = 1; 1197 dtp->dt_cpp_args = 1; 1198 dtp->dt_ld_path = strdup(_dtrace_defld); 1199 #ifdef __FreeBSD__ 1200 dtp->dt_objcopy_path = strdup(_dtrace_defobjcopy); 1201 #endif 1202 dtp->dt_provmod = provmod; 1203 dtp->dt_vector = vector; 1204 dtp->dt_varg = arg; 1205 dt_dof_init(dtp); 1206 (void) uname(&dtp->dt_uts); 1207 1208 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 1209 dtp->dt_procs == NULL || dtp->dt_proc_env == NULL || 1210 dtp->dt_ld_path == NULL || dtp->dt_cpp_path == NULL || 1211 #ifdef __FreeBSD__ 1212 dtp->dt_kmods == NULL || 1213 dtp->dt_objcopy_path == NULL || 1214 #endif 1215 dtp->dt_cpp_argv == NULL) 1216 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1217 1218 for (i = 0; i < DTRACEOPT_MAX; i++) 1219 dtp->dt_options[i] = DTRACEOPT_UNSET; 1220 1221 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 1222 1223 #ifdef illumos 1224 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 1225 (uint_t)(sizeof (void *) * NBBY)); 1226 1227 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 1228 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 1229 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 1230 1231 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 1232 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 1233 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 1234 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 1235 dt_cpp_add_arg(dtp, isadef) == NULL || 1236 dt_cpp_add_arg(dtp, utsdef) == NULL) 1237 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1238 #endif 1239 1240 if (flags & DTRACE_O_NODEV) 1241 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1242 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1243 return (set_open_errno(dtp, errp, errno)); 1244 1245 if (flags & DTRACE_O_LP64) 1246 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1247 else if (flags & DTRACE_O_ILP32) 1248 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1249 1250 #ifdef __sparc 1251 /* 1252 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1253 * and __sparcv9 is defined if we are doing a 64-bit compile. 1254 */ 1255 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1256 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1257 1258 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1259 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1260 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1261 #endif 1262 1263 #ifdef illumos 1264 #ifdef __x86 1265 /* 1266 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1267 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1268 * they are defined exclusive of one another (see PSARC 2004/619). 1269 */ 1270 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1271 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1272 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1273 } else { 1274 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1275 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1276 } 1277 #endif 1278 #else 1279 #if defined(__amd64__) || defined(__i386__) 1280 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1281 if (dt_cpp_add_arg(dtp, "-m64") == NULL) 1282 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1283 } else { 1284 if (dt_cpp_add_arg(dtp, "-m32") == NULL) 1285 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1286 } 1287 #endif 1288 #endif 1289 1290 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1291 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1292 1293 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1294 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1295 else 1296 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1297 1298 /* 1299 * On FreeBSD the kernel module name can't be hard-coded. The 1300 * 'kern.bootfile' sysctl value tells us exactly which file is being 1301 * used as the kernel. 1302 */ 1303 #ifndef illumos 1304 { 1305 char bootfile[MAXPATHLEN]; 1306 char *p; 1307 int i; 1308 size_t len = sizeof(bootfile); 1309 1310 /* This call shouldn't fail, but use a default just in case. */ 1311 if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0) 1312 strlcpy(bootfile, "kernel", sizeof(bootfile)); 1313 1314 if ((p = strrchr(bootfile, '/')) != NULL) 1315 p++; 1316 else 1317 p = bootfile; 1318 1319 /* 1320 * Format the global variables based on the kernel module name. 1321 */ 1322 snprintf(curthread_str, sizeof(curthread_str), "%s`struct thread *",p); 1323 snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`struct mtx *)",p); 1324 snprintf(threadmtx_str, sizeof(threadmtx_str), "struct thread *(%s`struct mtx *)",p); 1325 snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`struct rwlock *)",p); 1326 snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sx *)",p); 1327 } 1328 #endif 1329 1330 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1331 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1332 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1333 1334 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1335 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1336 1337 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1338 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1339 1340 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1341 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1342 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1343 1344 /* 1345 * Populate the dt_macros identifier hash table by hand: we can't use 1346 * the dt_idhash_populate() mechanism because we're not yet compiling 1347 * and dtrace_update() needs to immediately reference these idents. 1348 */ 1349 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1350 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1351 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1352 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1353 idp->di_iarg, 0) == NULL) 1354 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1355 } 1356 1357 /* 1358 * Update the module list using /system/object and load the values for 1359 * the macro variable definitions according to the current process. 1360 */ 1361 dtrace_update(dtp); 1362 1363 /* 1364 * Select the intrinsics and typedefs we want based on the data model. 1365 * The intrinsics are under "C". The typedefs are added under "D". 1366 */ 1367 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1368 dinp = _dtrace_intrinsics_32; 1369 dtyp = _dtrace_typedefs_32; 1370 } else { 1371 dinp = _dtrace_intrinsics_64; 1372 dtyp = _dtrace_typedefs_64; 1373 } 1374 1375 /* 1376 * Create a dynamic CTF container under the "C" scope for intrinsic 1377 * types and types defined in ANSI-C header files that are included. 1378 */ 1379 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1380 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1381 1382 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1383 return (set_open_errno(dtp, errp, EDT_CTF)); 1384 1385 dt_dprintf("created CTF container for %s (%p)\n", 1386 dmp->dm_name, (void *)dmp->dm_ctfp); 1387 1388 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1389 ctf_setspecific(dmp->dm_ctfp, dmp); 1390 1391 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1392 dmp->dm_modid = -1; /* no module ID */ 1393 1394 /* 1395 * Fill the dynamic "C" CTF container with all of the intrinsic 1396 * integer and floating-point types appropriate for this data model. 1397 */ 1398 for (; dinp->din_name != NULL; dinp++) { 1399 if (dinp->din_kind == CTF_K_INTEGER) { 1400 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1401 dinp->din_name, &dinp->din_data); 1402 } else { 1403 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1404 dinp->din_name, &dinp->din_data); 1405 } 1406 1407 if (err == CTF_ERR) { 1408 dt_dprintf("failed to add %s to C container: %s\n", 1409 dinp->din_name, ctf_errmsg( 1410 ctf_errno(dmp->dm_ctfp))); 1411 return (set_open_errno(dtp, errp, EDT_CTF)); 1412 } 1413 } 1414 1415 if (ctf_update(dmp->dm_ctfp) != 0) { 1416 dt_dprintf("failed to update C container: %s\n", 1417 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1418 return (set_open_errno(dtp, errp, EDT_CTF)); 1419 } 1420 1421 /* 1422 * Add intrinsic pointer types that are needed to initialize printf 1423 * format dictionary types (see table in dt_printf.c). 1424 */ 1425 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1426 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1427 1428 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1429 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1430 1431 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1432 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1433 1434 if (ctf_update(dmp->dm_ctfp) != 0) { 1435 dt_dprintf("failed to update C container: %s\n", 1436 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1437 return (set_open_errno(dtp, errp, EDT_CTF)); 1438 } 1439 1440 /* 1441 * Create a dynamic CTF container under the "D" scope for types that 1442 * are defined by the D program itself or on-the-fly by the D compiler. 1443 * The "D" CTF container is a child of the "C" CTF container. 1444 */ 1445 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1446 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1447 1448 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1449 return (set_open_errno(dtp, errp, EDT_CTF)); 1450 1451 dt_dprintf("created CTF container for %s (%p)\n", 1452 dmp->dm_name, (void *)dmp->dm_ctfp); 1453 1454 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1455 ctf_setspecific(dmp->dm_ctfp, dmp); 1456 1457 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1458 dmp->dm_modid = -1; /* no module ID */ 1459 1460 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1461 dt_dprintf("failed to import D parent container: %s\n", 1462 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1463 return (set_open_errno(dtp, errp, EDT_CTF)); 1464 } 1465 1466 /* 1467 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1468 * that we need to use for our D variable and function definitions. 1469 * This ensures that basic inttypes.h names are always available to us. 1470 */ 1471 for (; dtyp->dty_src != NULL; dtyp++) { 1472 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1473 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1474 dtyp->dty_src)) == CTF_ERR) { 1475 dt_dprintf("failed to add typedef %s %s to D " 1476 "container: %s\n", dtyp->dty_src, dtyp->dty_dst, 1477 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1478 return (set_open_errno(dtp, errp, EDT_CTF)); 1479 } 1480 } 1481 1482 /* 1483 * Insert a CTF ID corresponding to a pointer to a type of kind 1484 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1485 * CTF treats all function pointers as "int (*)()" so we only need one. 1486 */ 1487 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1488 ctc.ctc_argc = 0; 1489 ctc.ctc_flags = 0; 1490 1491 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1492 CTF_ADD_ROOT, &ctc, NULL); 1493 1494 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1495 CTF_ADD_ROOT, dtp->dt_type_func); 1496 1497 /* 1498 * We also insert CTF definitions for the special D intrinsic types 1499 * string and <DYN> into the D container. The string type is added 1500 * as a typedef of char[n]. The <DYN> type is an alias for void. 1501 * We compare types to these special CTF ids throughout the compiler. 1502 */ 1503 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1504 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1505 ctr.ctr_nelems = _dtrace_strsize; 1506 1507 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1508 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1509 1510 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1511 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1512 1513 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1514 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1515 1516 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1517 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1518 1519 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1520 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1521 1522 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1523 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1524 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1525 dtp->dt_type_usymaddr == CTF_ERR) { 1526 dt_dprintf("failed to add intrinsic to D container: %s\n", 1527 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1528 return (set_open_errno(dtp, errp, EDT_CTF)); 1529 } 1530 1531 if (ctf_update(dmp->dm_ctfp) != 0) { 1532 dt_dprintf("failed update D container: %s\n", 1533 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1534 return (set_open_errno(dtp, errp, EDT_CTF)); 1535 } 1536 1537 /* 1538 * Initialize the integer description table used to convert integer 1539 * constants to the appropriate types. Refer to the comments above 1540 * dt_node_int() for a complete description of how this table is used. 1541 */ 1542 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1543 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1544 dtp->dt_ints[i].did_name, &dtt) != 0) { 1545 dt_dprintf("failed to lookup integer type %s: %s\n", 1546 dtp->dt_ints[i].did_name, 1547 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1548 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1549 } 1550 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1551 dtp->dt_ints[i].did_type = dtt.dtt_type; 1552 } 1553 1554 /* 1555 * Now that we've created the "C" and "D" containers, move them to the 1556 * start of the module list so that these types and symbols are found 1557 * first (for stability) when iterating through the module list. 1558 */ 1559 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1560 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1561 1562 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1563 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1564 1565 if (dt_pfdict_create(dtp) == -1) 1566 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1567 1568 /* 1569 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1570 * because without /dev/dtrace open, we will not be able to load the 1571 * names and attributes of any providers or probes from the kernel. 1572 */ 1573 if (flags & DTRACE_O_NODEV) 1574 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1575 1576 /* 1577 * Load hard-wired inlines into the definition cache by calling the 1578 * compiler on the raw definition string defined above. 1579 */ 1580 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1581 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1582 dt_dprintf("failed to load hard-wired definitions: %s\n", 1583 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1584 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1585 } 1586 1587 dt_program_destroy(dtp, pgp); 1588 1589 /* 1590 * Set up the default DTrace library path. Once set, the next call to 1591 * dt_compile() will compile all the libraries. We intentionally defer 1592 * library processing to improve overhead for clients that don't ever 1593 * compile, and to provide better error reporting (because the full 1594 * reporting of compiler errors requires dtrace_open() to succeed). 1595 */ 1596 #ifdef __FreeBSD__ 1597 #ifdef __LP64__ 1598 if ((dtp->dt_oflags & DTRACE_O_ILP32) != 0) { 1599 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir32) != 0) 1600 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1601 } 1602 #endif 1603 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1604 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1605 #else 1606 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1607 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1608 #endif 1609 1610 return (dtp); 1611 } 1612 1613 dtrace_hdl_t * 1614 dtrace_open(int version, int flags, int *errp) 1615 { 1616 return (dt_vopen(version, flags, errp, NULL, NULL)); 1617 } 1618 1619 dtrace_hdl_t * 1620 dtrace_vopen(int version, int flags, int *errp, 1621 const dtrace_vector_t *vector, void *arg) 1622 { 1623 return (dt_vopen(version, flags, errp, vector, arg)); 1624 } 1625 1626 void 1627 dtrace_close(dtrace_hdl_t *dtp) 1628 { 1629 dt_ident_t *idp, *ndp; 1630 dt_module_t *dmp; 1631 dt_provider_t *pvp; 1632 dtrace_prog_t *pgp; 1633 dt_xlator_t *dxp; 1634 dt_dirpath_t *dirp; 1635 #ifdef __FreeBSD__ 1636 dt_kmodule_t *dkm; 1637 uint_t h; 1638 #endif 1639 int i; 1640 1641 if (dtp->dt_procs != NULL) 1642 dt_proc_fini(dtp); 1643 1644 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1645 dt_program_destroy(dtp, pgp); 1646 1647 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1648 dt_xlator_destroy(dtp, dxp); 1649 1650 dt_free(dtp, dtp->dt_xlatormap); 1651 1652 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1653 ndp = idp->di_next; 1654 dt_ident_destroy(idp); 1655 } 1656 1657 if (dtp->dt_macros != NULL) 1658 dt_idhash_destroy(dtp->dt_macros); 1659 if (dtp->dt_aggs != NULL) 1660 dt_idhash_destroy(dtp->dt_aggs); 1661 if (dtp->dt_globals != NULL) 1662 dt_idhash_destroy(dtp->dt_globals); 1663 if (dtp->dt_tls != NULL) 1664 dt_idhash_destroy(dtp->dt_tls); 1665 1666 #ifdef __FreeBSD__ 1667 for (h = 0; h < dtp->dt_modbuckets; h++) 1668 while ((dkm = dtp->dt_kmods[h]) != NULL) { 1669 dtp->dt_kmods[h] = dkm->dkm_next; 1670 free(dkm->dkm_name); 1671 free(dkm); 1672 } 1673 #endif 1674 1675 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1676 dt_module_destroy(dtp, dmp); 1677 1678 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1679 dt_provider_destroy(dtp, pvp); 1680 1681 if (dtp->dt_fd != -1) 1682 (void) close(dtp->dt_fd); 1683 if (dtp->dt_ftfd != -1) 1684 (void) close(dtp->dt_ftfd); 1685 if (dtp->dt_kinstfd != -1) 1686 (void) close(dtp->dt_kinstfd); 1687 if (dtp->dt_cdefs_fd != -1) 1688 (void) close(dtp->dt_cdefs_fd); 1689 if (dtp->dt_ddefs_fd != -1) 1690 (void) close(dtp->dt_ddefs_fd); 1691 #ifdef illumos 1692 if (dtp->dt_stdout_fd != -1) 1693 (void) close(dtp->dt_stdout_fd); 1694 #else 1695 if (dtp->dt_freopen_fp != NULL) 1696 (void) fclose(dtp->dt_freopen_fp); 1697 #endif 1698 1699 dt_epid_destroy(dtp); 1700 dt_aggid_destroy(dtp); 1701 dt_format_destroy(dtp); 1702 dt_strdata_destroy(dtp); 1703 dt_buffered_destroy(dtp); 1704 dt_aggregate_destroy(dtp); 1705 dt_pfdict_destroy(dtp); 1706 dt_provmod_destroy(&dtp->dt_provmod); 1707 dt_dof_fini(dtp); 1708 1709 for (i = 1; i < dtp->dt_cpp_argc; i++) 1710 free(dtp->dt_cpp_argv[i]); 1711 1712 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1713 dt_list_delete(&dtp->dt_lib_path, dirp); 1714 free(dirp->dir_path); 1715 free(dirp); 1716 } 1717 1718 free(dtp->dt_cpp_argv); 1719 free(dtp->dt_cpp_path); 1720 free(dtp->dt_ld_path); 1721 #ifdef __FreeBSD__ 1722 free(dtp->dt_objcopy_path); 1723 #endif 1724 1725 free(dtp->dt_mods); 1726 #ifdef __FreeBSD__ 1727 free(dtp->dt_kmods); 1728 #endif 1729 free(dtp->dt_provs); 1730 free(dtp); 1731 } 1732 1733 int 1734 dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1735 { 1736 dt_provmod_t *prov; 1737 int i = 0; 1738 1739 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1740 if (i < nmods) 1741 mods[i] = prov->dp_name; 1742 } 1743 1744 return (i); 1745 } 1746 1747 int 1748 dtrace_ctlfd(dtrace_hdl_t *dtp) 1749 { 1750 return (dtp->dt_fd); 1751 } 1752