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