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, "netbsd`__devmajor_t(netbsd`dev_t)" }, 283 { "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 284 DT_ATTR_EVOLCMN, DT_VERS_1_0, 285 &dt_idops_func, "netbsd`__devminor_t(netbsd`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 { "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, 317 &dt_idops_func, "string(const char *, const char *)" }, 318 { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 319 &dt_idops_func, "stack(...)" }, 320 { "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 321 &dt_idops_func, "string(int64_t, [int])" }, 322 { "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 323 DT_VERS_1_7, &dt_idops_func, 324 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 325 { "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 326 DT_ATTR_STABCMN, DT_VERS_1_0, 327 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 328 { "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 329 &dt_idops_func, "void(@)" }, 330 { "memref", DT_IDENT_FUNC, 0, DIF_SUBR_MEMREF, DT_ATTR_STABCMN, DT_VERS_1_1, 331 &dt_idops_func, "uintptr_t *(void *, size_t)" }, 332 #ifndef illumos 333 { "memstr", DT_IDENT_FUNC, 0, DIF_SUBR_MEMSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 334 &dt_idops_func, "string(void *, char, size_t)" }, 335 #endif 336 { "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 337 &dt_idops_func, "void(@)" }, 338 { "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 339 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 340 { "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 341 DT_ATTR_STABCMN, DT_VERS_1_0, 342 &dt_idops_func, "size_t(mblk_t *)" }, 343 { "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 344 DT_ATTR_STABCMN, DT_VERS_1_0, 345 &dt_idops_func, "size_t(mblk_t *)" }, 346 #ifdef illumos 347 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 348 DT_ATTR_EVOLCMN, DT_VERS_1_0, 349 &dt_idops_func, "int(genunix`kmutex_t *)" }, 350 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 351 DT_ATTR_EVOLCMN, DT_VERS_1_0, 352 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 353 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 354 DT_ATTR_EVOLCMN, DT_VERS_1_0, 355 &dt_idops_func, "int(genunix`kmutex_t *)" }, 356 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 357 DT_ATTR_EVOLCMN, DT_VERS_1_0, 358 &dt_idops_func, "int(genunix`kmutex_t *)" }, 359 #else 360 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 361 DT_ATTR_EVOLCMN, DT_VERS_1_0, 362 &dt_idops_func, intmtx_str }, 363 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 364 DT_ATTR_EVOLCMN, DT_VERS_1_0, 365 &dt_idops_func, threadmtx_str }, 366 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 367 DT_ATTR_EVOLCMN, DT_VERS_1_0, 368 &dt_idops_func, intmtx_str }, 369 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 370 DT_ATTR_EVOLCMN, DT_VERS_1_0, 371 &dt_idops_func, intmtx_str }, 372 #endif 373 { "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 374 &dt_idops_func, "uint32_t(uint32_t)" }, 375 { "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 376 &dt_idops_func, "uint64_t(uint64_t)" }, 377 { "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 378 &dt_idops_func, "uint16_t(uint16_t)" }, 379 { "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 380 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 381 { "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 382 &dt_idops_func, "void()" }, 383 { "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 384 &dt_idops_type, "pid_t" }, 385 { "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 386 &dt_idops_type, "pid_t" }, 387 { "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 388 &dt_idops_func, "void(@)" }, 389 { "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 390 &dt_idops_func, "void(@, ...)" }, 391 { "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 392 &dt_idops_func, "void(@, ...)" }, 393 { "printm", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTM, 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 { "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 507 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 508 { "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 509 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 510 { "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 511 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 512 { "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 513 &dt_idops_type, "uid_t" }, 514 { "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 515 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 516 { "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 517 &dt_idops_regs, NULL }, 518 { "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 519 &dt_idops_func, "stack(...)" }, 520 { "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 521 DT_ATTR_STABCMN, DT_VERS_1_2, 522 &dt_idops_type, "uint32_t" }, 523 { "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 524 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 525 { "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 526 DT_ATTR_STABCMN, DT_VERS_1_0, 527 &dt_idops_type, "uint64_t" }, 528 { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 529 DT_ATTR_STABCMN, DT_VERS_1_0, 530 &dt_idops_type, "int64_t" }, 531 #ifdef illumos 532 { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 533 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 534 #endif 535 536 #ifndef illumos 537 { "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, 538 DT_ATTR_STABCMN, DT_VERS_1_6_3, &dt_idops_type, "int" }, 539 #endif 540 541 { NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 542 }; 543 544 /* 545 * Tables of ILP32 intrinsic integer and floating-point type templates to use 546 * to populate the dynamic "C" CTF type container. 547 */ 548 static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 549 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 550 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 551 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 552 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 553 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 554 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 555 { "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 556 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 557 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 558 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 559 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 560 { "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 561 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 562 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 563 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 564 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 565 { "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 566 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 567 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 568 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 569 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 570 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 571 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 572 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 573 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 574 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 575 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 576 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 577 { NULL, { 0, 0, 0 }, 0 } 578 }; 579 580 /* 581 * Tables of LP64 intrinsic integer and floating-point type templates to use 582 * to populate the dynamic "C" CTF type container. 583 */ 584 static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 585 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 586 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 587 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 588 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 589 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 590 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 591 { "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 592 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 593 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 594 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 595 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 596 { "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 597 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 598 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 599 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 600 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 601 { "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 602 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 603 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 604 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 605 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 606 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 607 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 608 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 609 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 610 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 611 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 612 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 613 { NULL, { 0, 0, 0 }, 0 } 614 }; 615 616 /* 617 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 618 * These aliases ensure that D definitions can use typical <sys/types.h> names. 619 */ 620 static const dt_typedef_t _dtrace_typedefs_32[] = { 621 { "char", "int8_t" }, 622 { "short", "int16_t" }, 623 { "int", "int32_t" }, 624 { "long long", "int64_t" }, 625 { "int", "intptr_t" }, 626 { "int", "ssize_t" }, 627 { "unsigned char", "uint8_t" }, 628 { "unsigned short", "uint16_t" }, 629 { "unsigned", "uint32_t" }, 630 { "unsigned long long", "uint64_t" }, 631 { "unsigned char", "uchar_t" }, 632 { "unsigned short", "ushort_t" }, 633 { "unsigned", "uint_t" }, 634 { "unsigned long", "ulong_t" }, 635 { "unsigned long long", "u_longlong_t" }, 636 { "int", "ptrdiff_t" }, 637 { "unsigned", "uintptr_t" }, 638 { "unsigned", "size_t" }, 639 { "long", "id_t" }, 640 { "long", "pid_t" }, 641 #ifdef __NetBSD__ 642 { "unsigned int", "uid_t" }, 643 { "unsigned int", "gid_t" }, 644 #endif 645 { NULL, NULL } 646 }; 647 648 /* 649 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 650 * These aliases ensure that D definitions can use typical <sys/types.h> names. 651 */ 652 static const dt_typedef_t _dtrace_typedefs_64[] = { 653 { "char", "int8_t" }, 654 { "short", "int16_t" }, 655 { "int", "int32_t" }, 656 { "long", "int64_t" }, 657 { "long", "intptr_t" }, 658 { "long", "ssize_t" }, 659 { "unsigned char", "uint8_t" }, 660 { "unsigned short", "uint16_t" }, 661 { "unsigned", "uint32_t" }, 662 { "unsigned long", "uint64_t" }, 663 { "unsigned char", "uchar_t" }, 664 { "unsigned short", "ushort_t" }, 665 { "unsigned", "uint_t" }, 666 { "unsigned long", "ulong_t" }, 667 { "unsigned long long", "u_longlong_t" }, 668 { "long", "ptrdiff_t" }, 669 { "unsigned long", "uintptr_t" }, 670 { "unsigned long", "size_t" }, 671 { "int", "id_t" }, 672 { "int", "pid_t" }, 673 #ifdef __NetBSD__ 674 { "unsigned int", "uid_t" }, 675 { "unsigned int", "gid_t" }, 676 #endif 677 { NULL, NULL } 678 }; 679 680 /* 681 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 682 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 683 */ 684 static const dt_intdesc_t _dtrace_ints_32[] = { 685 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 686 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 687 { "long", NULL, CTF_ERR, 0x7fffffffULL }, 688 { "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 689 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 690 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 691 }; 692 693 /* 694 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 695 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 696 */ 697 static const dt_intdesc_t _dtrace_ints_64[] = { 698 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 699 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 700 { "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 701 { "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 702 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 703 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 704 }; 705 706 /* 707 * Table of macro variable templates used to populate the macro identifier hash 708 * when a new dtrace client open occurs. Values are set by dtrace_update(). 709 */ 710 static const dt_ident_t _dtrace_macros[] = { 711 { "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 712 { "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 713 { "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 714 { "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 715 { "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 716 { "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 717 { "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 718 { "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 719 { "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 720 { "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 721 { "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 722 { NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 723 }; 724 725 /* 726 * Hard-wired definition string to be compiled and cached every time a new 727 * DTrace library handle is initialized. This string should only be used to 728 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 729 */ 730 static const char _dtrace_hardwire[] = "\ 731 inline long NULL = 0; \n\ 732 #pragma D binding \"1.0\" NULL\n\ 733 "; 734 735 /* 736 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 737 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 738 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 739 * relying on the fact that when running dtrace(1M), isaexec will invoke the 740 * binary with the same bitness as the kernel, which is what we want by default 741 * when generating our DIF. The user can override the choice using oflags. 742 */ 743 static const dtrace_conf_t _dtrace_conf = { 744 DIF_VERSION, /* dtc_difversion */ 745 DIF_DIR_NREGS, /* dtc_difintregs */ 746 DIF_DTR_NREGS, /* dtc_diftupregs */ 747 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 748 }; 749 750 const dtrace_attribute_t _dtrace_maxattr = { 751 DTRACE_STABILITY_MAX, 752 DTRACE_STABILITY_MAX, 753 DTRACE_CLASS_MAX 754 }; 755 756 const dtrace_attribute_t _dtrace_defattr = { 757 DTRACE_STABILITY_STABLE, 758 DTRACE_STABILITY_STABLE, 759 DTRACE_CLASS_COMMON 760 }; 761 762 const dtrace_attribute_t _dtrace_symattr = { 763 DTRACE_STABILITY_PRIVATE, 764 DTRACE_STABILITY_PRIVATE, 765 DTRACE_CLASS_UNKNOWN 766 }; 767 768 const dtrace_attribute_t _dtrace_typattr = { 769 DTRACE_STABILITY_PRIVATE, 770 DTRACE_STABILITY_PRIVATE, 771 DTRACE_CLASS_UNKNOWN 772 }; 773 774 const dtrace_attribute_t _dtrace_prvattr = { 775 DTRACE_STABILITY_PRIVATE, 776 DTRACE_STABILITY_PRIVATE, 777 DTRACE_CLASS_UNKNOWN 778 }; 779 780 const dtrace_pattr_t _dtrace_prvdesc = { 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 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 785 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 786 }; 787 788 #ifdef illumos 789 const char *_dtrace_defcpps[] = { "/usr/ccs/lib/cpp" }; /* default cpp(1) to invoke */ 790 const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 791 #else 792 const char *_dtrace_defcpps[] = { "/usr/bin/cpp", "/usr/bin/clang-cpp" }; /* default cpp(1) to invoke */ 793 const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */ 794 const char *_dtrace_defobjcopy = "objcopy"; /* default objcopy(1) to invoke */ 795 #endif 796 797 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 798 #ifdef illumos 799 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 800 #else 801 const char *_dtrace_libdir32 = "/usr/lib32/dtrace"; 802 const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */ 803 #endif 804 805 int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 806 int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 807 uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 808 uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 809 uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 810 uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 811 size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 812 int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 813 814 int _dtrace_debug = 0; /* debug messages enabled (off) */ 815 const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 816 int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 817 818 typedef struct dt_fdlist { 819 int *df_fds; /* array of provider driver file descriptors */ 820 uint_t df_ents; /* number of valid elements in df_fds[] */ 821 uint_t df_size; /* size of df_fds[] */ 822 } dt_fdlist_t; 823 824 #ifdef illumos 825 #pragma init(_dtrace_init) 826 #else 827 void _dtrace_init(void) __attribute__ ((constructor)); 828 #endif 829 void 830 _dtrace_init(void) 831 { 832 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 833 834 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 835 if (rd_init(_dtrace_rdvers) == RD_OK) 836 break; 837 } 838 #if defined(__i386__) 839 /* make long doubles 64 bits -sson */ 840 (void) fpsetprec(FP_PE); 841 #endif 842 } 843 844 static dtrace_hdl_t * 845 set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 846 { 847 if (dtp != NULL) 848 dtrace_close(dtp); 849 if (errp != NULL) 850 *errp = err; 851 return (NULL); 852 } 853 854 static void 855 dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 856 { 857 dt_provmod_t *prov; 858 char path[PATH_MAX]; 859 int fd; 860 #ifdef illumos 861 struct dirent *dp, *ep; 862 DIR *dirp; 863 864 if ((dirp = opendir(_dtrace_provdir)) == NULL) 865 return; /* failed to open directory; just skip it */ 866 867 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 868 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 869 870 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 871 if (dp->d_name[0] == '.') 872 continue; /* skip "." and ".." */ 873 874 if (dfp->df_ents == dfp->df_size) { 875 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 876 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 877 878 if (fds == NULL) 879 break; /* skip the rest of this directory */ 880 881 dfp->df_fds = fds; 882 dfp->df_size = size; 883 } 884 885 (void) snprintf(path, sizeof (path), "%s/%s", 886 _dtrace_provdir, dp->d_name); 887 888 if ((fd = open(path, O_RDONLY)) == -1) 889 continue; /* failed to open driver; just skip it */ 890 891 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 892 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 893 free(prov); 894 (void) close(fd); 895 break; 896 } 897 898 (void) strcpy(prov->dp_name, dp->d_name); 899 prov->dp_next = *provmod; 900 *provmod = prov; 901 902 dt_dprintf("opened provider %s\n", dp->d_name); 903 dfp->df_fds[dfp->df_ents++] = fd; 904 } 905 906 (void) closedir(dirp); 907 #else /* !illumos */ 908 char *p; 909 char *p1; 910 char *p_providers = NULL; 911 int error; 912 size_t len = 0; 913 914 /* 915 * Loop to allocate/reallocate memory for the string of provider 916 * names and retry: 917 */ 918 while(1) { 919 /* 920 * The first time around, get the string length. The next time, 921 * hopefully we've allocated enough memory. 922 */ 923 error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0); 924 if (len == 0) 925 /* No providers? That's strange. Where's dtrace? */ 926 break; 927 else if (error == 0 && p_providers == NULL) { 928 /* 929 * Allocate the initial memory which should be enough 930 * unless another provider loads before we have 931 * time to go back and get the string. 932 */ 933 if ((p_providers = malloc(len)) == NULL) 934 /* How do we report errors here? */ 935 return; 936 } else if (error == -1 && errno == ENOMEM) { 937 /* 938 * The current buffer isn't large enough, so 939 * reallocate it. We normally won't need to do this 940 * because providers aren't being loaded all the time. 941 */ 942 if ((p = realloc(p_providers,len)) == NULL) { 943 free(p_providers); 944 /* How do we report errors here? */ 945 return; 946 } 947 p_providers = p; 948 } else 949 break; 950 } 951 952 /* Check if we got a string of provider names: */ 953 if (error == 0 && len > 0 && p_providers != NULL) { 954 p = p_providers; 955 956 /* 957 * Parse the string containing the space separated 958 * provider names. 959 */ 960 while ((p1 = strsep(&p," ")) != NULL) { 961 if (dfp->df_ents == dfp->df_size) { 962 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 963 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 964 965 if (fds == NULL) 966 break; 967 968 dfp->df_fds = fds; 969 dfp->df_size = size; 970 } 971 972 (void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1); 973 974 if ((fd = open(path, O_RDONLY)) == -1) 975 continue; /* failed to open driver; just skip it */ 976 977 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 978 (prov->dp_name = malloc(strlen(p1) + 1)) == NULL) { 979 free(prov); 980 (void) close(fd); 981 break; 982 } 983 984 (void) strcpy(prov->dp_name, p1); 985 prov->dp_next = *provmod; 986 *provmod = prov; 987 988 dt_dprintf("opened provider %s\n", p1); 989 dfp->df_fds[dfp->df_ents++] = fd; 990 } 991 } 992 if (p_providers != NULL) 993 free(p_providers); 994 #endif /* illumos */ 995 } 996 997 static void 998 dt_provmod_destroy(dt_provmod_t **provmod) 999 { 1000 dt_provmod_t *next, *current; 1001 1002 for (current = *provmod; current != NULL; current = next) { 1003 next = current->dp_next; 1004 free(current->dp_name); 1005 free(current); 1006 } 1007 1008 *provmod = NULL; 1009 } 1010 1011 #ifdef illumos 1012 static const char * 1013 dt_get_sysinfo(int cmd, char *buf, size_t len) 1014 { 1015 ssize_t rv = sysinfo(cmd, buf, len); 1016 char *p = buf; 1017 1018 if (rv < 0 || rv > len) 1019 (void) snprintf(buf, len, "%s", "Unknown"); 1020 1021 while ((p = strchr(p, '.')) != NULL) 1022 *p++ = '_'; 1023 1024 return (buf); 1025 } 1026 #endif 1027 1028 #ifdef __FreeBSD__ 1029 static const char * 1030 dt_bootfile(char *bootfile, size_t len) 1031 { 1032 char *p; 1033 size_t olen = len; 1034 1035 if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0) 1036 strlcpy(bootfile, "kernel", olen); 1037 1038 if ((p = strrchr(bootfile, '/')) != NULL) 1039 p++; 1040 else 1041 p = bootfile; 1042 return p; 1043 } 1044 #endif 1045 1046 static dtrace_hdl_t * 1047 dt_vopen(int version, int flags, int *errp, 1048 const dtrace_vector_t *vector, void *arg) 1049 { 1050 dtrace_hdl_t *dtp = NULL; 1051 int dtfd = -1, ftfd = -1, fterr = 0; 1052 dtrace_prog_t *pgp; 1053 dt_module_t *dmp; 1054 dt_provmod_t *provmod = NULL; 1055 int i, err; 1056 struct rlimit rl; 1057 1058 const dt_intrinsic_t *dinp; 1059 const dt_typedef_t *dtyp; 1060 const dt_ident_t *idp; 1061 1062 dtrace_typeinfo_t dtt; 1063 ctf_funcinfo_t ctc; 1064 ctf_arinfo_t ctr; 1065 1066 dt_fdlist_t df = { NULL, 0, 0 }; 1067 1068 #if defined(__FreeBSD__) 1069 char isadef[32], utsdef[32]; 1070 char s1[64], s2[64]; 1071 #endif 1072 1073 if (version <= 0) 1074 return (set_open_errno(dtp, errp, EINVAL)); 1075 1076 if (version > DTRACE_VERSION) 1077 return (set_open_errno(dtp, errp, EDT_VERSION)); 1078 1079 if (version < DTRACE_VERSION) { 1080 /* 1081 * Currently, increasing the library version number is used to 1082 * denote a binary incompatible change. That is, a consumer 1083 * of the library cannot run on a version of the library with 1084 * a higher DTRACE_VERSION number than the consumer compiled 1085 * against. Once the library API has been committed to, 1086 * backwards binary compatibility will be required; at that 1087 * time, this check should change to return EDT_OVERSION only 1088 * if the specified version number is less than the version 1089 * number at the time of interface commitment. 1090 */ 1091 return (set_open_errno(dtp, errp, EDT_OVERSION)); 1092 } 1093 1094 if (flags & ~DTRACE_O_MASK) 1095 return (set_open_errno(dtp, errp, EINVAL)); 1096 1097 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 1098 return (set_open_errno(dtp, errp, EINVAL)); 1099 1100 if (vector == NULL && arg != NULL) 1101 return (set_open_errno(dtp, errp, EINVAL)); 1102 1103 if (elf_version(EV_CURRENT) == EV_NONE) 1104 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 1105 1106 if (vector != NULL || (flags & DTRACE_O_NODEV)) 1107 goto alloc; /* do not attempt to open dtrace device */ 1108 1109 /* 1110 * Before we get going, crank our limit on file descriptors up to the 1111 * hard limit. This is to allow for the fact that libproc keeps file 1112 * descriptors to objects open for the lifetime of the proc handle; 1113 * without raising our hard limit, we would have an acceptably small 1114 * bound on the number of processes that we could concurrently 1115 * instrument with the pid provider. 1116 */ 1117 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 1118 rl.rlim_cur = rl.rlim_max; 1119 (void) setrlimit(RLIMIT_NOFILE, &rl); 1120 } 1121 1122 /* 1123 * Get the device path of each of the providers. We hold them open 1124 * in the df.df_fds list until we open the DTrace driver itself, 1125 * allowing us to see all of the probes provided on this system. Once 1126 * we have the DTrace driver open, we can safely close all the providers 1127 * now that they have registered with the framework. 1128 */ 1129 dt_provmod_open(&provmod, &df); 1130 1131 #if defined(__NetBSD__) 1132 modctl_load_t cmdargs; 1133 const char * const mod_list[] = { 1134 "dtrace", 1135 "dtrace_sdt", 1136 "dtrace_fbt", 1137 "dtrace_syscall" 1138 }; 1139 1140 dtfd = -1; 1141 err = 0; 1142 for (i = 0; i < __arraycount(mod_list); i++) { 1143 cmdargs.ml_filename = mod_list[i]; 1144 cmdargs.ml_flags = MODCTL_NO_PROP; 1145 cmdargs.ml_props = NULL; 1146 cmdargs.ml_propslen = 0; 1147 1148 if (modctl(MODCTL_LOAD, &cmdargs) < 0 && errno != EEXIST) { 1149 err = errno; 1150 break; 1151 } 1152 } 1153 if (err == 0) { 1154 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1155 err = errno; /* save errno from opening dtfd */ 1156 } 1157 #endif 1158 #if defined(__FreeBSD__) 1159 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1160 err = errno; /* save errno from opening dtfd */ 1161 /* 1162 * Automatically load the 'dtraceall' module if we couldn't open the 1163 * char device. 1164 */ 1165 if (err == ENOENT && modfind("dtraceall") < 0) { 1166 kldload("dtraceall"); /* ignore the error */ 1167 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1168 err = errno; 1169 } 1170 #endif 1171 #ifdef illumos 1172 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 1173 #else 1174 ftfd = open("/dev/dtrace/fasttrap", O_RDWR); 1175 #endif 1176 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 1177 1178 while (df.df_ents-- != 0) 1179 (void) close(df.df_fds[df.df_ents]); 1180 1181 free(df.df_fds); 1182 1183 /* 1184 * If we failed to open the dtrace device, fail dtrace_open(). 1185 * We convert some kernel errnos to custom libdtrace errnos to 1186 * improve the resulting message from the usual strerror(). 1187 */ 1188 if (dtfd == -1) { 1189 dt_provmod_destroy(&provmod); 1190 switch (err) { 1191 case ENOENT: 1192 err = EDT_NOENT; 1193 break; 1194 case EBUSY: 1195 err = EDT_BUSY; 1196 break; 1197 case EACCES: 1198 err = EDT_ACCESS; 1199 break; 1200 } 1201 return (set_open_errno(dtp, errp, err)); 1202 } 1203 1204 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 1205 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 1206 1207 alloc: 1208 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) { 1209 dt_provmod_destroy(&provmod); 1210 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1211 } 1212 1213 bzero(dtp, sizeof (dtrace_hdl_t)); 1214 dtp->dt_oflags = flags; 1215 #ifdef illumos 1216 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 1217 #else 1218 dtp->dt_prcmode = DT_PROC_STOP_POSTINIT; 1219 #endif 1220 dtp->dt_linkmode = DT_LINK_KERNEL; 1221 dtp->dt_linktype = DT_LTYP_ELF; 1222 dtp->dt_xlatemode = DT_XL_STATIC; 1223 dtp->dt_stdcmode = DT_STDC_XA; 1224 dtp->dt_encoding = DT_ENCODING_UNSET; 1225 dtp->dt_version = version; 1226 dtp->dt_fd = dtfd; 1227 dtp->dt_ftfd = ftfd; 1228 dtp->dt_fterr = fterr; 1229 dtp->dt_cdefs_fd = -1; 1230 dtp->dt_ddefs_fd = -1; 1231 #ifdef illumos 1232 dtp->dt_stdout_fd = -1; 1233 #else 1234 dtp->dt_freopen_fp = NULL; 1235 #endif 1236 dtp->dt_modbuckets = _dtrace_strbuckets; 1237 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1238 #if defined(__FreeBSD__) || defined(__NetBSD__) 1239 dtp->dt_kmods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1240 #endif 1241 dtp->dt_provbuckets = _dtrace_strbuckets; 1242 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 1243 dt_proc_hash_create(dtp); 1244 dtp->dt_vmax = DT_VERS_LATEST; 1245 dtp->dt_cpp_path = NULL; 1246 for (i = 0; i < (int)sizeof(_dtrace_defcpps) / sizeof(_dtrace_defcpps[0]); ++i) { 1247 if (access(_dtrace_defcpps[i], X_OK) == 0) { 1248 dtp->dt_cpp_path = strdup(_dtrace_defcpps[i]); 1249 break; 1250 } 1251 } 1252 if (dtp->dt_cpp_path == NULL) 1253 dtp->dt_cpp_path = strdup("cpp"); 1254 1255 dtp->dt_cpp_argv = malloc(sizeof (char *)); 1256 dtp->dt_cpp_argc = 1; 1257 dtp->dt_cpp_args = 1; 1258 dtp->dt_ld_path = strdup(_dtrace_defld); 1259 #if defined(__FreeBSD__) || defined(__NetBSD__) 1260 dtp->dt_objcopy_path = strdup(_dtrace_defobjcopy); 1261 #endif 1262 dtp->dt_provmod = provmod; 1263 dtp->dt_vector = vector; 1264 dtp->dt_varg = arg; 1265 dt_dof_init(dtp); 1266 (void) uname(&dtp->dt_uts); 1267 1268 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 1269 dtp->dt_procs == NULL || dtp->dt_ld_path == NULL || 1270 #if defined(__FreeBSD__) || defined(__NetBSD__) 1271 dtp->dt_kmods == NULL || 1272 dtp->dt_objcopy_path == NULL || 1273 #endif 1274 dtp->dt_cpp_path == NULL || dtp->dt_cpp_argv == NULL) 1275 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1276 1277 for (i = 0; i < DTRACEOPT_MAX; i++) 1278 dtp->dt_options[i] = DTRACEOPT_UNSET; 1279 1280 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 1281 1282 #ifdef illumos 1283 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 1284 (uint_t)(sizeof (void *) * NBBY)); 1285 1286 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 1287 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 1288 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 1289 1290 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 1291 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 1292 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 1293 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 1294 dt_cpp_add_arg(dtp, isadef) == NULL || 1295 dt_cpp_add_arg(dtp, utsdef) == NULL) 1296 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1297 #endif 1298 1299 if (flags & DTRACE_O_NODEV) 1300 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1301 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1302 return (set_open_errno(dtp, errp, errno)); 1303 1304 if (flags & DTRACE_O_LP64) 1305 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1306 else if (flags & DTRACE_O_ILP32) 1307 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1308 1309 #ifdef __sparc 1310 /* 1311 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1312 * and __sparcv9 is defined if we are doing a 64-bit compile. 1313 */ 1314 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1315 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1316 1317 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1318 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1319 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1320 #endif 1321 1322 #ifdef illumos 1323 #ifdef __x86 1324 /* 1325 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1326 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1327 * they are defined exclusive of one another (see PSARC 2004/619). 1328 */ 1329 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1330 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1331 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1332 } else { 1333 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1334 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1335 } 1336 #endif 1337 #else 1338 #if defined(__amd64__) || defined(__i386__) 1339 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1340 if (dt_cpp_add_arg(dtp, "-m64") == NULL) 1341 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1342 } else { 1343 if (dt_cpp_add_arg(dtp, "-m32") == NULL) 1344 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1345 } 1346 #endif 1347 #endif 1348 1349 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1350 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1351 1352 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1353 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1354 else 1355 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1356 1357 /* 1358 * On FreeBSD the kernel module name can't be hard-coded. The 1359 * 'kern.bootfile' sysctl value tells us exactly which file is being 1360 * used as the kernel. 1361 */ 1362 #ifndef illumos 1363 # ifdef __FreeBSD__ 1364 # define THREAD "struct thread" 1365 # define MUTEX "struct mtx" 1366 # define RWLOCK "struct rwlock" 1367 # endif 1368 # ifdef __NetBSD__ 1369 # define THREAD "struct lwp" 1370 # define MUTEX "struct kmutex" 1371 # define RWLOCK "struct krwlock" 1372 # endif 1373 { 1374 const char *p; 1375 # ifdef __FreeBSD__ 1376 char kernname[512]; 1377 1378 p = dt_bootfile(kernname, sizeof(kernname)); 1379 # else 1380 p = "netbsd"; 1381 # endif 1382 1383 /* 1384 * Format the global variables based on the kernel module name. 1385 */ 1386 snprintf(curthread_str, sizeof(curthread_str), "%s`%s *", p, THREAD); 1387 snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`%s *)", p, MUTEX); 1388 snprintf(threadmtx_str, sizeof(threadmtx_str), "%s *(%s`%s *)", 1389 THREAD, p, MUTEX); 1390 snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`%s *)", p, RWLOCK); 1391 snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sxlock *)", p); 1392 } 1393 # undef THREAD 1394 # undef MUTEX 1395 # undef RWLOCK 1396 #endif 1397 1398 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1399 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1400 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1401 1402 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1403 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1404 1405 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1406 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1407 1408 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1409 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1410 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1411 1412 /* 1413 * Populate the dt_macros identifier hash table by hand: we can't use 1414 * the dt_idhash_populate() mechanism because we're not yet compiling 1415 * and dtrace_update() needs to immediately reference these idents. 1416 */ 1417 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1418 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1419 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1420 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1421 idp->di_iarg, 0) == NULL) 1422 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1423 } 1424 1425 /* 1426 * Update the module list using /system/object and load the values for 1427 * the macro variable definitions according to the current process. 1428 */ 1429 dtrace_update(dtp); 1430 1431 /* 1432 * Select the intrinsics and typedefs we want based on the data model. 1433 * The intrinsics are under "C". The typedefs are added under "D". 1434 */ 1435 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1436 dinp = _dtrace_intrinsics_32; 1437 dtyp = _dtrace_typedefs_32; 1438 } else { 1439 dinp = _dtrace_intrinsics_64; 1440 dtyp = _dtrace_typedefs_64; 1441 } 1442 1443 /* 1444 * Create a dynamic CTF container under the "C" scope for intrinsic 1445 * types and types defined in ANSI-C header files that are included. 1446 */ 1447 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1448 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1449 1450 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1451 return (set_open_errno(dtp, errp, EDT_CTF)); 1452 1453 dt_dprintf("created CTF container for %s (%p)\n", 1454 dmp->dm_name, (void *)dmp->dm_ctfp); 1455 1456 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1457 ctf_setspecific(dmp->dm_ctfp, dmp); 1458 1459 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1460 dmp->dm_modid = -1; /* no module ID */ 1461 1462 /* 1463 * Fill the dynamic "C" CTF container with all of the intrinsic 1464 * integer and floating-point types appropriate for this data model. 1465 */ 1466 for (; dinp->din_name != NULL; dinp++) { 1467 if (dinp->din_kind == CTF_K_INTEGER) { 1468 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1469 dinp->din_name, &dinp->din_data); 1470 } else { 1471 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1472 dinp->din_name, &dinp->din_data); 1473 } 1474 1475 if (err == CTF_ERR) { 1476 dt_dprintf("failed to add %s to C container: %s\n", 1477 dinp->din_name, ctf_errmsg( 1478 ctf_errno(dmp->dm_ctfp))); 1479 return (set_open_errno(dtp, errp, EDT_CTF)); 1480 } 1481 } 1482 1483 if (ctf_update(dmp->dm_ctfp) != 0) { 1484 dt_dprintf("failed to update C container: %s\n", 1485 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1486 return (set_open_errno(dtp, errp, EDT_CTF)); 1487 } 1488 1489 /* 1490 * Add intrinsic pointer types that are needed to initialize printf 1491 * format dictionary types (see table in dt_printf.c). 1492 */ 1493 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1494 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1495 1496 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1497 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1498 1499 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1500 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1501 1502 if (ctf_update(dmp->dm_ctfp) != 0) { 1503 dt_dprintf("failed to update C container: %s\n", 1504 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1505 return (set_open_errno(dtp, errp, EDT_CTF)); 1506 } 1507 1508 /* 1509 * Create a dynamic CTF container under the "D" scope for types that 1510 * are defined by the D program itself or on-the-fly by the D compiler. 1511 * The "D" CTF container is a child of the "C" CTF container. 1512 */ 1513 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1514 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1515 1516 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1517 return (set_open_errno(dtp, errp, EDT_CTF)); 1518 1519 dt_dprintf("created CTF container for %s (%p)\n", 1520 dmp->dm_name, (void *)dmp->dm_ctfp); 1521 1522 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1523 ctf_setspecific(dmp->dm_ctfp, dmp); 1524 1525 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1526 dmp->dm_modid = -1; /* no module ID */ 1527 1528 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1529 dt_dprintf("failed to import D parent container: %s\n", 1530 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1531 return (set_open_errno(dtp, errp, EDT_CTF)); 1532 } 1533 1534 /* 1535 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1536 * that we need to use for our D variable and function definitions. 1537 * This ensures that basic inttypes.h names are always available to us. 1538 */ 1539 for (; dtyp->dty_src != NULL; dtyp++) { 1540 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1541 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1542 dtyp->dty_src)) == CTF_ERR) { 1543 dt_dprintf("failed to add typedef %s %s to D " 1544 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1545 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1546 return (set_open_errno(dtp, errp, EDT_CTF)); 1547 } 1548 } 1549 1550 /* 1551 * Insert a CTF ID corresponding to a pointer to a type of kind 1552 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1553 * CTF treats all function pointers as "int (*)()" so we only need one. 1554 */ 1555 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1556 ctc.ctc_argc = 0; 1557 ctc.ctc_flags = 0; 1558 1559 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1560 CTF_ADD_ROOT, &ctc, NULL); 1561 1562 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1563 CTF_ADD_ROOT, dtp->dt_type_func); 1564 1565 /* 1566 * We also insert CTF definitions for the special D intrinsic types 1567 * string and <DYN> into the D container. The string type is added 1568 * as a typedef of char[n]. The <DYN> type is an alias for void. 1569 * We compare types to these special CTF ids throughout the compiler. 1570 */ 1571 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1572 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1573 ctr.ctr_nelems = _dtrace_strsize; 1574 1575 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1576 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1577 1578 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1579 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1580 1581 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1582 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1583 1584 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1585 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1586 1587 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1588 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1589 1590 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1591 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1592 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1593 dtp->dt_type_usymaddr == CTF_ERR) { 1594 dt_dprintf("failed to add intrinsic to D container: %s\n", 1595 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1596 return (set_open_errno(dtp, errp, EDT_CTF)); 1597 } 1598 1599 if (ctf_update(dmp->dm_ctfp) != 0) { 1600 dt_dprintf("failed update D container: %s\n", 1601 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1602 return (set_open_errno(dtp, errp, EDT_CTF)); 1603 } 1604 1605 /* 1606 * Initialize the integer description table used to convert integer 1607 * constants to the appropriate types. Refer to the comments above 1608 * dt_node_int() for a complete description of how this table is used. 1609 */ 1610 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1611 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1612 dtp->dt_ints[i].did_name, &dtt) != 0) { 1613 dt_dprintf("failed to lookup integer type %s: %s\n", 1614 dtp->dt_ints[i].did_name, 1615 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1616 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1617 } 1618 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1619 dtp->dt_ints[i].did_type = dtt.dtt_type; 1620 } 1621 1622 /* 1623 * Now that we've created the "C" and "D" containers, move them to the 1624 * start of the module list so that these types and symbols are found 1625 * first (for stability) when iterating through the module list. 1626 */ 1627 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1628 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1629 1630 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1631 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1632 1633 if (dt_pfdict_create(dtp) == -1) 1634 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1635 1636 /* 1637 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1638 * because without /dev/dtrace open, we will not be able to load the 1639 * names and attributes of any providers or probes from the kernel. 1640 */ 1641 if (flags & DTRACE_O_NODEV) 1642 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1643 1644 /* 1645 * Load hard-wired inlines into the definition cache by calling the 1646 * compiler on the raw definition string defined above. 1647 */ 1648 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1649 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1650 dt_dprintf("failed to load hard-wired definitions: %s\n", 1651 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1652 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1653 } 1654 1655 dt_program_destroy(dtp, pgp); 1656 1657 /* 1658 * Set up the default DTrace library path. Once set, the next call to 1659 * dt_compile() will compile all the libraries. We intentionally defer 1660 * library processing to improve overhead for clients that don't ever 1661 * compile, and to provide better error reporting (because the full 1662 * reporting of compiler errors requires dtrace_open() to succeed). 1663 */ 1664 #if defined(__FreeBSD__) || defined(__NetBSD__) 1665 #ifdef __LP64__ 1666 if ((dtp->dt_oflags & DTRACE_O_ILP32) != 0) { 1667 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir32) != 0) 1668 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1669 } 1670 #endif 1671 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1672 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1673 #else 1674 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1675 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1676 #endif 1677 1678 return (dtp); 1679 } 1680 1681 dtrace_hdl_t * 1682 dtrace_open(int version, int flags, int *errp) 1683 { 1684 return (dt_vopen(version, flags, errp, NULL, NULL)); 1685 } 1686 1687 dtrace_hdl_t * 1688 dtrace_vopen(int version, int flags, int *errp, 1689 const dtrace_vector_t *vector, void *arg) 1690 { 1691 return (dt_vopen(version, flags, errp, vector, arg)); 1692 } 1693 1694 void 1695 dtrace_close(dtrace_hdl_t *dtp) 1696 { 1697 dt_ident_t *idp, *ndp; 1698 dt_module_t *dmp; 1699 dt_provider_t *pvp; 1700 dtrace_prog_t *pgp; 1701 dt_xlator_t *dxp; 1702 dt_dirpath_t *dirp; 1703 #if defined(__FreeBSD__) || defined(__NetBSD__) 1704 dt_kmodule_t *dkm; 1705 uint_t h; 1706 #endif 1707 int i; 1708 1709 if (dtp->dt_procs != NULL) 1710 dt_proc_hash_destroy(dtp); 1711 1712 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1713 dt_program_destroy(dtp, pgp); 1714 1715 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1716 dt_xlator_destroy(dtp, dxp); 1717 1718 dt_free(dtp, dtp->dt_xlatormap); 1719 1720 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1721 ndp = idp->di_next; 1722 dt_ident_destroy(idp); 1723 } 1724 1725 if (dtp->dt_macros != NULL) 1726 dt_idhash_destroy(dtp->dt_macros); 1727 if (dtp->dt_aggs != NULL) 1728 dt_idhash_destroy(dtp->dt_aggs); 1729 if (dtp->dt_globals != NULL) 1730 dt_idhash_destroy(dtp->dt_globals); 1731 if (dtp->dt_tls != NULL) 1732 dt_idhash_destroy(dtp->dt_tls); 1733 1734 #if defined(__FreeBSD__) || defined(__NetBSD__) 1735 for (h = 0; h < dtp->dt_modbuckets; h++) 1736 while ((dkm = dtp->dt_kmods[h]) != NULL) { 1737 dtp->dt_kmods[h] = dkm->dkm_next; 1738 free(dkm->dkm_name); 1739 free(dkm); 1740 } 1741 #endif 1742 1743 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1744 dt_module_destroy(dtp, dmp); 1745 1746 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1747 dt_provider_destroy(dtp, pvp); 1748 1749 if (dtp->dt_fd != -1) 1750 (void) close(dtp->dt_fd); 1751 if (dtp->dt_ftfd != -1) 1752 (void) close(dtp->dt_ftfd); 1753 if (dtp->dt_cdefs_fd != -1) 1754 (void) close(dtp->dt_cdefs_fd); 1755 if (dtp->dt_ddefs_fd != -1) 1756 (void) close(dtp->dt_ddefs_fd); 1757 #ifdef illumos 1758 if (dtp->dt_stdout_fd != -1) 1759 (void) close(dtp->dt_stdout_fd); 1760 #else 1761 if (dtp->dt_freopen_fp != NULL) 1762 (void) fclose(dtp->dt_freopen_fp); 1763 #endif 1764 1765 dt_epid_destroy(dtp); 1766 dt_aggid_destroy(dtp); 1767 dt_format_destroy(dtp); 1768 dt_strdata_destroy(dtp); 1769 dt_buffered_destroy(dtp); 1770 dt_aggregate_destroy(dtp); 1771 dt_pfdict_destroy(dtp); 1772 dt_provmod_destroy(&dtp->dt_provmod); 1773 dt_dof_fini(dtp); 1774 1775 for (i = 1; i < dtp->dt_cpp_argc; i++) 1776 free(dtp->dt_cpp_argv[i]); 1777 1778 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1779 dt_list_delete(&dtp->dt_lib_path, dirp); 1780 free(dirp->dir_path); 1781 free(dirp); 1782 } 1783 1784 free(dtp->dt_cpp_argv); 1785 free(dtp->dt_cpp_path); 1786 free(dtp->dt_ld_path); 1787 #if defined(__FreeBSD__) || defined(__NetBSD__) 1788 free(dtp->dt_objcopy_path); 1789 #endif 1790 1791 free(dtp->dt_mods); 1792 #if defined(__FreeBSD__) || defined(__NetBSD__) 1793 free(dtp->dt_kmods); 1794 #endif 1795 free(dtp->dt_provs); 1796 free(dtp); 1797 } 1798 1799 int 1800 dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1801 { 1802 dt_provmod_t *prov; 1803 int i = 0; 1804 1805 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1806 if (i < nmods) 1807 mods[i] = prov->dp_name; 1808 } 1809 1810 return (i); 1811 } 1812 1813 int 1814 dtrace_ctlfd(dtrace_hdl_t *dtp) 1815 { 1816 return (dtp->dt_fd); 1817 } 1818
Indexes created Tue Feb 24 01:34:59 UTC 2026