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) 2011, Joyent, Inc. All rights reserved. 25 * Copyright (c) 2012 by Delphix. All rights reserved. 26 */ 27 28 #include <sys/types.h> 29 #if defined(sun) 30 #include <sys/modctl.h> 31 #include <sys/systeminfo.h> 32 #endif 33 #include <sys/resource.h> 34 35 #include <libelf.h> 36 #include <strings.h> 37 #if defined(sun) 38 #include <alloca.h> 39 #endif 40 #include <limits.h> 41 #include <unistd.h> 42 #include <stdlib.h> 43 #include <stdio.h> 44 #include <fcntl.h> 45 #include <errno.h> 46 #include <assert.h> 47 48 #define _POSIX_PTHREAD_SEMANTICS 49 #include <dirent.h> 50 #undef _POSIX_PTHREAD_SEMANTICS 51 52 #include <dt_impl.h> 53 #include <dt_program.h> 54 #include <dt_module.h> 55 #include <dt_printf.h> 56 #include <dt_string.h> 57 #include <dt_provider.h> 58 #if !defined(sun) 59 #include <sys/sysctl.h> 60 #include <string.h> 61 #endif 62 #if defined(__i386__) 63 #include <ieeefp.h> 64 #endif 65 66 /* 67 * Stability and versioning definitions. These #defines are used in the tables 68 * of identifiers below to fill in the attribute and version fields associated 69 * with each identifier. The DT_ATTR_* macros are a convenience to permit more 70 * concise declarations of common attributes such as Stable/Stable/Common. The 71 * DT_VERS_* macros declare the encoded integer values of all versions used so 72 * far. DT_VERS_LATEST must correspond to the latest version value among all 73 * versions exported by the D compiler. DT_VERS_STRING must be an ASCII string 74 * that contains DT_VERS_LATEST within it along with any suffixes (e.g. Beta). 75 * You must update DT_VERS_LATEST and DT_VERS_STRING when adding a new version, 76 * and then add the new version to the _dtrace_versions[] array declared below. 77 * Refer to the Solaris Dynamic Tracing Guide Stability and Versioning chapters 78 * respectively for an explanation of these DTrace features and their values. 79 * 80 * NOTE: Although the DTrace versioning scheme supports the labeling and 81 * introduction of incompatible changes (e.g. dropping an interface in a 82 * major release), the libdtrace code does not currently support this. 83 * All versions are assumed to strictly inherit from one another. If 84 * we ever need to provide divergent interfaces, this will need work. 85 */ 86 #define DT_ATTR_STABCMN { DTRACE_STABILITY_STABLE, \ 87 DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON } 88 89 #define DT_ATTR_EVOLCMN { DTRACE_STABILITY_EVOLVING, \ 90 DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON \ 91 } 92 93 /* 94 * The version number should be increased for every customer visible release 95 * of DTrace. The major number should be incremented when a fundamental 96 * change has been made that would affect all consumers, and would reflect 97 * sweeping changes to DTrace or the D language. The minor number should be 98 * incremented when a change is introduced that could break scripts that had 99 * previously worked; for example, adding a new built-in variable could break 100 * a script which was already using that identifier. The micro number should 101 * be changed when introducing functionality changes or major bug fixes that 102 * do not affect backward compatibility -- this is merely to make capabilities 103 * easily determined from the version number. Minor bugs do not require any 104 * modification to the version number. 105 */ 106 #define DT_VERS_1_0 DT_VERSION_NUMBER(1, 0, 0) 107 #define DT_VERS_1_1 DT_VERSION_NUMBER(1, 1, 0) 108 #define DT_VERS_1_2 DT_VERSION_NUMBER(1, 2, 0) 109 #define DT_VERS_1_2_1 DT_VERSION_NUMBER(1, 2, 1) 110 #define DT_VERS_1_2_2 DT_VERSION_NUMBER(1, 2, 2) 111 #define DT_VERS_1_3 DT_VERSION_NUMBER(1, 3, 0) 112 #define DT_VERS_1_4 DT_VERSION_NUMBER(1, 4, 0) 113 #define DT_VERS_1_4_1 DT_VERSION_NUMBER(1, 4, 1) 114 #define DT_VERS_1_5 DT_VERSION_NUMBER(1, 5, 0) 115 #define DT_VERS_1_6 DT_VERSION_NUMBER(1, 6, 0) 116 #define DT_VERS_1_6_1 DT_VERSION_NUMBER(1, 6, 1) 117 #define DT_VERS_1_6_2 DT_VERSION_NUMBER(1, 6, 2) 118 #define DT_VERS_1_6_3 DT_VERSION_NUMBER(1, 6, 3) 119 #define DT_VERS_1_7 DT_VERSION_NUMBER(1, 7, 0) 120 #define DT_VERS_1_7_1 DT_VERSION_NUMBER(1, 7, 1) 121 #define DT_VERS_1_8 DT_VERSION_NUMBER(1, 8, 0) 122 #define DT_VERS_1_8_1 DT_VERSION_NUMBER(1, 8, 1) 123 #define DT_VERS_1_9 DT_VERSION_NUMBER(1, 9, 0) 124 #define DT_VERS_1_9_1 DT_VERSION_NUMBER(1, 9, 1) 125 #define DT_VERS_LATEST DT_VERS_1_9_1 126 #define DT_VERS_STRING "Sun D 1.9.1" 127 128 const dt_version_t _dtrace_versions[] = { 129 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 130 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 131 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 132 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 133 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 134 DT_VERS_1_3, /* D API 1.3 Solaris Express 10/06 */ 135 DT_VERS_1_4, /* D API 1.4 Solaris Express 2/07 */ 136 DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */ 137 DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */ 138 DT_VERS_1_6, /* D API 1.6 */ 139 DT_VERS_1_6_1, /* D API 1.6.1 */ 140 DT_VERS_1_6_2, /* D API 1.6.2 */ 141 DT_VERS_1_6_3, /* D API 1.6.3 */ 142 DT_VERS_1_7, /* D API 1.7 */ 143 DT_VERS_1_7_1, /* D API 1.7.1 */ 144 DT_VERS_1_8, /* D API 1.8 */ 145 DT_VERS_1_8_1, /* D API 1.8.1 */ 146 DT_VERS_1_9, /* D API 1.9 */ 147 DT_VERS_1_9_1, /* D API 1.9.1 */ 148 0 149 }; 150 151 /* 152 * Global variables that are formatted on FreeBSD based on the kernel file name. 153 */ 154 #if !defined(sun) 155 static char curthread_str[MAXPATHLEN]; 156 static char intmtx_str[MAXPATHLEN]; 157 static char threadmtx_str[MAXPATHLEN]; 158 static char rwlock_str[MAXPATHLEN]; 159 static char sxlock_str[MAXPATHLEN]; 160 #endif 161 162 /* 163 * Table of global identifiers. This is used to populate the global identifier 164 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 165 * The global identifiers that represent functions use the dt_idops_func ops 166 * and specify the private data pointer as a prototype string which is parsed 167 * when the identifier is first encountered. These prototypes look like ANSI 168 * C function prototypes except that the special symbol "@" can be used as a 169 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 170 * The standard "..." notation can also be used to represent varargs. An empty 171 * parameter list is taken to mean void (that is, no arguments are permitted). 172 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 173 * argument. 174 */ 175 static const dt_ident_t _dtrace_globals[] = { 176 { "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 177 &dt_idops_func, "void *(size_t)" }, 178 { "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 179 &dt_idops_type, "int64_t" }, 180 { "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 181 &dt_idops_type, "int64_t" }, 182 { "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 183 &dt_idops_type, "int64_t" }, 184 { "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 185 &dt_idops_type, "int64_t" }, 186 { "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 187 &dt_idops_type, "int64_t" }, 188 { "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 189 &dt_idops_type, "int64_t" }, 190 { "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 191 &dt_idops_type, "int64_t" }, 192 { "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 193 &dt_idops_type, "int64_t" }, 194 { "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 195 &dt_idops_type, "int64_t" }, 196 { "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 197 &dt_idops_type, "int64_t" }, 198 { "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 199 &dt_idops_args, NULL }, 200 { "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 201 &dt_idops_func, "void(@)" }, 202 { "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 203 &dt_idops_func, "string(const char *)" }, 204 { "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 205 &dt_idops_func, "void(void *, void *, size_t)" }, 206 { "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 207 DT_ATTR_STABCMN, DT_VERS_1_0, 208 &dt_idops_func, "void()" }, 209 { "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 210 &dt_idops_type, "uintptr_t" }, 211 { "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 212 &dt_idops_func, "void(int)" }, 213 { "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 214 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 215 { "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 216 &dt_idops_func, "void(...)" }, 217 { "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 218 &dt_idops_func, "void(int)" }, 219 { "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 220 &dt_idops_func, "void *(uintptr_t, size_t)" }, 221 { "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 222 DT_ATTR_STABCMN, DT_VERS_1_0, 223 &dt_idops_func, "string(uintptr_t, [size_t])" }, 224 { "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 225 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 226 { "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 227 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 228 { "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 229 DT_ATTR_STABCMN, DT_VERS_1_0, 230 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 231 { "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 232 &dt_idops_func, "void()" }, 233 { "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 234 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 235 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 236 #if defined(sun) 237 &dt_idops_type, "genunix`kthread_t *" }, 238 #else 239 &dt_idops_type, curthread_str }, 240 #endif 241 { "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 242 DT_ATTR_EVOLCMN, DT_VERS_1_0, 243 &dt_idops_func, "string(void *, int64_t)" }, 244 { "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 245 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 246 { "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 247 &dt_idops_func, "string(const char *)" }, 248 { "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 249 &dt_idops_func, "void(int)" }, 250 { "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 251 &dt_idops_type, "uint_t" }, 252 { "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 253 &dt_idops_type, "int" }, 254 { "execargs", DT_IDENT_SCALAR, 0, DIF_VAR_EXECARGS, 255 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 256 { "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 257 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 258 { "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 259 &dt_idops_func, "void(int)" }, 260 { "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 261 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 262 { "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 263 DT_VERS_1_0, &dt_idops_func, "void()" }, 264 { "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 265 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 266 { "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 267 DT_ATTR_EVOLCMN, DT_VERS_1_0, 268 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 269 { "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 270 DT_ATTR_EVOLCMN, DT_VERS_1_0, 271 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 272 { "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 273 &dt_idops_func, "uint32_t(uint32_t)" }, 274 { "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 275 &dt_idops_func, "uint64_t(uint64_t)" }, 276 { "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 277 &dt_idops_func, "uint16_t(uint16_t)" }, 278 { "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 279 &dt_idops_type, "gid_t" }, 280 { "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 281 &dt_idops_type, "uint_t" }, 282 { "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 283 &dt_idops_func, "int(const char *, const char *, [int])" }, 284 { "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 285 #if defined(sun) 286 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 287 #else 288 DT_VERS_1_5, &dt_idops_func, "string(in_addr_t *)" }, 289 #endif 290 { "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 291 #if defined(sun) 292 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 293 #else 294 DT_VERS_1_5, &dt_idops_func, "string(struct in6_addr *)" }, 295 #endif 296 { "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 297 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 298 { "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 299 &dt_idops_type, "uint_t" }, 300 { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 301 &dt_idops_func, "stack(...)" }, 302 { "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 303 &dt_idops_func, "string(int64_t, [int])" }, 304 { "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 305 DT_VERS_1_7, &dt_idops_func, 306 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 307 { "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 308 DT_ATTR_STABCMN, DT_VERS_1_0, 309 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 310 { "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 311 &dt_idops_func, "void(@)" }, 312 { "memref", DT_IDENT_FUNC, 0, DIF_SUBR_MEMREF, DT_ATTR_STABCMN, DT_VERS_1_1, 313 &dt_idops_func, "uintptr_t *(void *, size_t)" }, 314 #if !defined(sun) 315 { "memstr", DT_IDENT_FUNC, 0, DIF_SUBR_MEMSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 316 &dt_idops_func, "string(void *, char, size_t)" }, 317 #endif 318 { "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 319 &dt_idops_func, "void(@)" }, 320 { "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 321 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 322 { "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 323 DT_ATTR_STABCMN, DT_VERS_1_0, 324 &dt_idops_func, "size_t(mblk_t *)" }, 325 { "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 326 DT_ATTR_STABCMN, DT_VERS_1_0, 327 &dt_idops_func, "size_t(mblk_t *)" }, 328 #if defined(sun) 329 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 330 DT_ATTR_EVOLCMN, DT_VERS_1_0, 331 &dt_idops_func, "int(genunix`kmutex_t *)" }, 332 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 333 DT_ATTR_EVOLCMN, DT_VERS_1_0, 334 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 335 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 336 DT_ATTR_EVOLCMN, DT_VERS_1_0, 337 &dt_idops_func, "int(genunix`kmutex_t *)" }, 338 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 339 DT_ATTR_EVOLCMN, DT_VERS_1_0, 340 &dt_idops_func, "int(genunix`kmutex_t *)" }, 341 #else 342 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 343 DT_ATTR_EVOLCMN, DT_VERS_1_0, 344 &dt_idops_func, intmtx_str }, 345 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 346 DT_ATTR_EVOLCMN, DT_VERS_1_0, 347 &dt_idops_func, threadmtx_str }, 348 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 349 DT_ATTR_EVOLCMN, DT_VERS_1_0, 350 &dt_idops_func, intmtx_str }, 351 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 352 DT_ATTR_EVOLCMN, DT_VERS_1_0, 353 &dt_idops_func, intmtx_str }, 354 #endif 355 { "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 356 &dt_idops_func, "uint32_t(uint32_t)" }, 357 { "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 358 &dt_idops_func, "uint64_t(uint64_t)" }, 359 { "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 360 &dt_idops_func, "uint16_t(uint16_t)" }, 361 { "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 362 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 363 { "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 364 &dt_idops_func, "void()" }, 365 { "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 366 &dt_idops_type, "pid_t" }, 367 { "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 368 &dt_idops_type, "pid_t" }, 369 { "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 370 &dt_idops_func, "void(@)" }, 371 { "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 372 &dt_idops_func, "void(@, ...)" }, 373 { "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 374 &dt_idops_func, "void(@, ...)" }, 375 { "printm", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTM, DT_ATTR_STABCMN, DT_VERS_1_0, 376 &dt_idops_func, "void(size_t, uintptr_t *)" }, 377 { "printt", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTT, DT_ATTR_STABCMN, DT_VERS_1_0, 378 &dt_idops_func, "void(size_t, uintptr_t *)" }, 379 { "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 380 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 381 { "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 382 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 383 { "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 384 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 385 { "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 386 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 387 { "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 388 DT_ATTR_STABCMN, DT_VERS_1_0, 389 &dt_idops_func, "int(pid_t)" }, 390 { "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 391 DT_ATTR_STABCMN, DT_VERS_1_0, 392 &dt_idops_func, "void(@, ...)" }, 393 { "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 394 &dt_idops_func, "void(int)" }, 395 { "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 396 &dt_idops_func, "int()" }, 397 { "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 398 &dt_idops_func, "int(const char *, const char *, [int])" }, 399 #if defined(sun) 400 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 401 DT_ATTR_EVOLCMN, DT_VERS_1_0, 402 &dt_idops_func, "int(genunix`krwlock_t *)" }, 403 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 404 DT_ATTR_EVOLCMN, DT_VERS_1_0, 405 &dt_idops_func, "int(genunix`krwlock_t *)" }, 406 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 407 DT_ATTR_EVOLCMN, DT_VERS_1_0, 408 &dt_idops_func, "int(genunix`krwlock_t *)" }, 409 #else 410 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 411 DT_ATTR_EVOLCMN, DT_VERS_1_0, 412 &dt_idops_func, rwlock_str }, 413 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 414 DT_ATTR_EVOLCMN, DT_VERS_1_0, 415 &dt_idops_func, rwlock_str }, 416 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 417 DT_ATTR_EVOLCMN, DT_VERS_1_0, 418 &dt_idops_func, rwlock_str }, 419 #endif 420 { "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 421 &dt_idops_type, "void" }, 422 { "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 423 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 424 { "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 425 DT_ATTR_STABCMN, DT_VERS_1_0, 426 &dt_idops_func, "void(int)" }, 427 { "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 428 DT_ATTR_STABCMN, DT_VERS_1_0, 429 &dt_idops_func, "int()" }, 430 { "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 431 &dt_idops_func, "stack(...)" }, 432 { "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 433 DT_ATTR_STABCMN, DT_VERS_1_0, 434 &dt_idops_type, "uint32_t" }, 435 { "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 436 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 437 { "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 438 &dt_idops_func, "void()" }, 439 { "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 440 &dt_idops_func, "string(const char *, char)" }, 441 { "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 442 &dt_idops_func, "size_t(const char *)" }, 443 { "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 444 &dt_idops_func, "string(const char *, const char *)" }, 445 { "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 446 &dt_idops_func, "string(const char *, char)" }, 447 { "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 448 &dt_idops_func, "string(const char *, const char *)" }, 449 { "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 450 &dt_idops_func, "string(const char *, const char *)" }, 451 { "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 452 &dt_idops_func, "string(const char *, int, [int])" }, 453 { "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 454 &dt_idops_func, "void(@)" }, 455 #if !defined(sun) 456 { "sx_isexclusive", DT_IDENT_FUNC, 0, DIF_SUBR_SX_ISEXCLUSIVE, 457 DT_ATTR_EVOLCMN, DT_VERS_1_0, 458 &dt_idops_func, sxlock_str }, 459 { "sx_shared_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_SHARED_HELD, 460 DT_ATTR_EVOLCMN, DT_VERS_1_0, 461 &dt_idops_func, sxlock_str }, 462 { "sx_exclusive_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_EXCLUSIVE_HELD, 463 DT_ATTR_EVOLCMN, DT_VERS_1_0, 464 &dt_idops_func, sxlock_str }, 465 #endif 466 { "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 467 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 468 { "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 469 &dt_idops_func, "void(@, ...)" }, 470 { "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 471 &dt_idops_type, "void" }, 472 { "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 473 &dt_idops_type, "id_t" }, 474 { "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 475 DT_ATTR_STABCMN, DT_VERS_1_0, 476 &dt_idops_type, "uint64_t" }, 477 { "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 478 &dt_idops_func, "string(const char *)" }, 479 { "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 480 &dt_idops_func, "string(const char *)" }, 481 { "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 482 &dt_idops_func, "void(@)" }, 483 { "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 484 DT_ATTR_STABCMN, DT_VERS_1_0, 485 &dt_idops_func, "void(@, size_t, ...)" }, 486 { "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 487 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 488 { "typeref", DT_IDENT_FUNC, 0, DIF_SUBR_TYPEREF, DT_ATTR_STABCMN, DT_VERS_1_1, 489 &dt_idops_func, "uintptr_t *(void *, size_t, string, size_t)" }, 490 #if defined(sun) 491 { "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 492 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 493 #endif 494 { "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 495 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 496 #if defined(sun) 497 { "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 498 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 499 #endif 500 { "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 501 &dt_idops_type, "uid_t" }, 502 #if defined(sun) 503 { "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 504 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 505 #endif 506 { "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 507 &dt_idops_regs, NULL }, 508 { "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 509 &dt_idops_func, "stack(...)" }, 510 { "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 511 DT_ATTR_STABCMN, DT_VERS_1_2, 512 &dt_idops_type, "uint32_t" }, 513 #if defined(sun) 514 { "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 515 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 516 #endif 517 { "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 518 DT_ATTR_STABCMN, DT_VERS_1_0, 519 &dt_idops_type, "uint64_t" }, 520 { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 521 DT_ATTR_STABCMN, DT_VERS_1_0, 522 &dt_idops_type, "int64_t" }, 523 #if defined(sun) 524 { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 525 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 526 #endif 527 528 #if !defined(sun) 529 { "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, 530 DT_ATTR_STABCMN, DT_VERS_1_6_3, &dt_idops_type, "int" }, 531 #endif 532 533 { NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 534 }; 535 536 /* 537 * Tables of ILP32 intrinsic integer and floating-point type templates to use 538 * to populate the dynamic "C" CTF type container. 539 */ 540 static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 541 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 542 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 543 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 544 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 545 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 546 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 547 { "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 548 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 549 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 550 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 551 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 552 { "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 553 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 554 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 555 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 556 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 557 { "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 558 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 559 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 560 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 561 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 562 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 563 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 564 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 565 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 566 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 567 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 568 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 569 { NULL, { 0, 0, 0 }, 0 } 570 }; 571 572 /* 573 * Tables of LP64 intrinsic integer and floating-point type templates to use 574 * to populate the dynamic "C" CTF type container. 575 */ 576 static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 577 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 578 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 579 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 580 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 581 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 582 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 583 { "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 584 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 585 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 586 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 587 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 588 { "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 589 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 590 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 591 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 592 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 593 { "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 594 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 595 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 596 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 597 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 598 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 599 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 600 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 601 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 602 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 603 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 604 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 605 { NULL, { 0, 0, 0 }, 0 } 606 }; 607 608 /* 609 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 610 * These aliases ensure that D definitions can use typical <sys/types.h> names. 611 */ 612 static const dt_typedef_t _dtrace_typedefs_32[] = { 613 { "char", "int8_t" }, 614 { "short", "int16_t" }, 615 { "int", "int32_t" }, 616 { "long long", "int64_t" }, 617 { "int", "intptr_t" }, 618 { "int", "ssize_t" }, 619 { "unsigned char", "uint8_t" }, 620 { "unsigned short", "uint16_t" }, 621 { "unsigned", "uint32_t" }, 622 { "unsigned long long", "uint64_t" }, 623 { "unsigned char", "uchar_t" }, 624 { "unsigned short", "ushort_t" }, 625 { "unsigned", "uint_t" }, 626 { "unsigned long", "ulong_t" }, 627 { "unsigned long long", "u_longlong_t" }, 628 { "int", "ptrdiff_t" }, 629 { "unsigned", "uintptr_t" }, 630 { "unsigned", "size_t" }, 631 { "long", "id_t" }, 632 { "long", "pid_t" }, 633 { NULL, NULL } 634 }; 635 636 /* 637 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 638 * These aliases ensure that D definitions can use typical <sys/types.h> names. 639 */ 640 static const dt_typedef_t _dtrace_typedefs_64[] = { 641 { "char", "int8_t" }, 642 { "short", "int16_t" }, 643 { "int", "int32_t" }, 644 { "long", "int64_t" }, 645 { "long", "intptr_t" }, 646 { "long", "ssize_t" }, 647 { "unsigned char", "uint8_t" }, 648 { "unsigned short", "uint16_t" }, 649 { "unsigned", "uint32_t" }, 650 { "unsigned long", "uint64_t" }, 651 { "unsigned char", "uchar_t" }, 652 { "unsigned short", "ushort_t" }, 653 { "unsigned", "uint_t" }, 654 { "unsigned long", "ulong_t" }, 655 { "unsigned long long", "u_longlong_t" }, 656 { "long", "ptrdiff_t" }, 657 { "unsigned long", "uintptr_t" }, 658 { "unsigned long", "size_t" }, 659 { "int", "id_t" }, 660 { "int", "pid_t" }, 661 { NULL, NULL } 662 }; 663 664 /* 665 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 666 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 667 */ 668 static const dt_intdesc_t _dtrace_ints_32[] = { 669 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 670 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 671 { "long", NULL, CTF_ERR, 0x7fffffffULL }, 672 { "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 673 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 674 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 675 }; 676 677 /* 678 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 679 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 680 */ 681 static const dt_intdesc_t _dtrace_ints_64[] = { 682 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 683 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 684 { "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 685 { "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 686 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 687 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 688 }; 689 690 /* 691 * Table of macro variable templates used to populate the macro identifier hash 692 * when a new dtrace client open occurs. Values are set by dtrace_update(). 693 */ 694 static const dt_ident_t _dtrace_macros[] = { 695 { "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 696 { "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 697 { "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 698 { "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 699 { "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 700 { "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 701 { "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 702 { "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 703 { "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 704 { "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 705 { "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 706 { NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 707 }; 708 709 /* 710 * Hard-wired definition string to be compiled and cached every time a new 711 * DTrace library handle is initialized. This string should only be used to 712 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 713 */ 714 static const char _dtrace_hardwire[] = "\ 715 inline long NULL = 0; \n\ 716 #pragma D binding \"1.0\" NULL\n\ 717 "; 718 719 /* 720 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 721 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 722 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 723 * relying on the fact that when running dtrace(1M), isaexec will invoke the 724 * binary with the same bitness as the kernel, which is what we want by default 725 * when generating our DIF. The user can override the choice using oflags. 726 */ 727 static const dtrace_conf_t _dtrace_conf = { 728 DIF_VERSION, /* dtc_difversion */ 729 DIF_DIR_NREGS, /* dtc_difintregs */ 730 DIF_DTR_NREGS, /* dtc_diftupregs */ 731 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 732 }; 733 734 const dtrace_attribute_t _dtrace_maxattr = { 735 DTRACE_STABILITY_MAX, 736 DTRACE_STABILITY_MAX, 737 DTRACE_CLASS_MAX 738 }; 739 740 const dtrace_attribute_t _dtrace_defattr = { 741 DTRACE_STABILITY_STABLE, 742 DTRACE_STABILITY_STABLE, 743 DTRACE_CLASS_COMMON 744 }; 745 746 const dtrace_attribute_t _dtrace_symattr = { 747 DTRACE_STABILITY_PRIVATE, 748 DTRACE_STABILITY_PRIVATE, 749 DTRACE_CLASS_UNKNOWN 750 }; 751 752 const dtrace_attribute_t _dtrace_typattr = { 753 DTRACE_STABILITY_PRIVATE, 754 DTRACE_STABILITY_PRIVATE, 755 DTRACE_CLASS_UNKNOWN 756 }; 757 758 const dtrace_attribute_t _dtrace_prvattr = { 759 DTRACE_STABILITY_PRIVATE, 760 DTRACE_STABILITY_PRIVATE, 761 DTRACE_CLASS_UNKNOWN 762 }; 763 764 const dtrace_pattr_t _dtrace_prvdesc = { 765 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 766 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 767 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 768 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 769 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 770 }; 771 772 #if defined(sun) 773 const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 774 const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 775 #else 776 const char *_dtrace_defcpp = "cpp"; /* default cpp(1) to invoke */ 777 const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */ 778 #endif 779 780 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 781 #if defined(sun) 782 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 783 #else 784 const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */ 785 #endif 786 787 int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 788 int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 789 uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 790 uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 791 uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 792 uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 793 size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 794 int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 795 796 int _dtrace_debug = 0; /* debug messages enabled (off) */ 797 const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 798 int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 799 800 typedef struct dt_fdlist { 801 int *df_fds; /* array of provider driver file descriptors */ 802 uint_t df_ents; /* number of valid elements in df_fds[] */ 803 uint_t df_size; /* size of df_fds[] */ 804 } dt_fdlist_t; 805 806 #if defined(sun) 807 #pragma init(_dtrace_init) 808 #else 809 void _dtrace_init(void) __attribute__ ((constructor)); 810 #endif 811 void 812 _dtrace_init(void) 813 { 814 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 815 816 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 817 if (rd_init(_dtrace_rdvers) == RD_OK) 818 break; 819 } 820 #if defined(__i386__) 821 /* make long doubles 64 bits -sson */ 822 (void) fpsetprec(FP_PE); 823 #endif 824 } 825 826 static dtrace_hdl_t * 827 set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 828 { 829 if (dtp != NULL) 830 dtrace_close(dtp); 831 if (errp != NULL) 832 *errp = err; 833 return (NULL); 834 } 835 836 static void 837 dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 838 { 839 dt_provmod_t *prov; 840 char path[PATH_MAX]; 841 int fd; 842 #if defined(sun) 843 struct dirent *dp, *ep; 844 DIR *dirp; 845 846 if ((dirp = opendir(_dtrace_provdir)) == NULL) 847 return; /* failed to open directory; just skip it */ 848 849 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 850 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 851 852 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 853 if (dp->d_name[0] == '.') 854 continue; /* skip "." and ".." */ 855 856 if (dfp->df_ents == dfp->df_size) { 857 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 858 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 859 860 if (fds == NULL) 861 break; /* skip the rest of this directory */ 862 863 dfp->df_fds = fds; 864 dfp->df_size = size; 865 } 866 867 (void) snprintf(path, sizeof (path), "%s/%s", 868 _dtrace_provdir, dp->d_name); 869 870 if ((fd = open(path, O_RDONLY)) == -1) 871 continue; /* failed to open driver; just skip it */ 872 873 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 874 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 875 free(prov); 876 (void) close(fd); 877 break; 878 } 879 880 (void) strcpy(prov->dp_name, dp->d_name); 881 prov->dp_next = *provmod; 882 *provmod = prov; 883 884 dt_dprintf("opened provider %s\n", dp->d_name); 885 dfp->df_fds[dfp->df_ents++] = fd; 886 } 887 888 (void) closedir(dirp); 889 #else 890 char *p; 891 char *p1; 892 char *p_providers = NULL; 893 int error; 894 size_t len = 0; 895 896 /* 897 * Loop to allocate/reallocate memory for the string of provider 898 * names and retry: 899 */ 900 while(1) { 901 /* 902 * The first time around, get the string length. The next time, 903 * hopefully we've allocated enough memory. 904 */ 905 error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0); 906 if (len == 0) 907 /* No providers? That's strange. Where's dtrace? */ 908 break; 909 else if (error == 0 && p_providers == NULL) { 910 /* 911 * Allocate the initial memory which should be enough 912 * unless another provider loads before we have 913 * time to go back and get the string. 914 */ 915 if ((p_providers = malloc(len)) == NULL) 916 /* How do we report errors here? */ 917 return; 918 } else if (error == -1 && errno == ENOMEM) { 919 /* 920 * The current buffer isn't large enough, so 921 * reallocate it. We normally won't need to do this 922 * because providers aren't being loaded all the time. 923 */ 924 if ((p = realloc(p_providers,len)) == NULL) 925 /* How do we report errors here? */ 926 return; 927 p_providers = p; 928 } else 929 break; 930 } 931 932 /* Check if we got a string of provider names: */ 933 if (error == 0 && len > 0 && p_providers != NULL) { 934 p = p_providers; 935 936 /* 937 * Parse the string containing the space separated 938 * provider names. 939 */ 940 while ((p1 = strsep(&p," ")) != NULL) { 941 if (dfp->df_ents == dfp->df_size) { 942 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 943 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 944 945 if (fds == NULL) 946 break; 947 948 dfp->df_fds = fds; 949 dfp->df_size = size; 950 } 951 952 (void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1); 953 954 if ((fd = open(path, O_RDONLY)) == -1) 955 continue; /* failed to open driver; just skip it */ 956 957 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 958 (prov->dp_name = malloc(strlen(p1) + 1)) == NULL) { 959 free(prov); 960 (void) close(fd); 961 break; 962 } 963 964 (void) strcpy(prov->dp_name, p1); 965 prov->dp_next = *provmod; 966 *provmod = prov; 967 968 dt_dprintf("opened provider %s\n", p1); 969 dfp->df_fds[dfp->df_ents++] = fd; 970 } 971 } 972 if (p_providers != NULL) 973 free(p_providers); 974 #endif 975 } 976 977 static void 978 dt_provmod_destroy(dt_provmod_t **provmod) 979 { 980 dt_provmod_t *next, *current; 981 982 for (current = *provmod; current != NULL; current = next) { 983 next = current->dp_next; 984 free(current->dp_name); 985 free(current); 986 } 987 988 *provmod = NULL; 989 } 990 991 #if defined(sun) 992 static const char * 993 dt_get_sysinfo(int cmd, char *buf, size_t len) 994 { 995 ssize_t rv = sysinfo(cmd, buf, len); 996 char *p = buf; 997 998 if (rv < 0 || rv > len) 999 (void) snprintf(buf, len, "%s", "Unknown"); 1000 1001 while ((p = strchr(p, '.')) != NULL) 1002 *p++ = '_'; 1003 1004 return (buf); 1005 } 1006 #endif 1007 1008 static dtrace_hdl_t * 1009 dt_vopen(int version, int flags, int *errp, 1010 const dtrace_vector_t *vector, void *arg) 1011 { 1012 dtrace_hdl_t *dtp = NULL; 1013 int dtfd = -1, ftfd = -1, fterr = 0; 1014 dtrace_prog_t *pgp; 1015 dt_module_t *dmp; 1016 dt_provmod_t *provmod = NULL; 1017 int i, err; 1018 struct rlimit rl; 1019 1020 const dt_intrinsic_t *dinp; 1021 const dt_typedef_t *dtyp; 1022 const dt_ident_t *idp; 1023 1024 dtrace_typeinfo_t dtt; 1025 ctf_funcinfo_t ctc; 1026 ctf_arinfo_t ctr; 1027 1028 dt_fdlist_t df = { NULL, 0, 0 }; 1029 1030 char isadef[32], utsdef[32]; 1031 char s1[64], s2[64]; 1032 1033 if (version <= 0) 1034 return (set_open_errno(dtp, errp, EINVAL)); 1035 1036 if (version > DTRACE_VERSION) 1037 return (set_open_errno(dtp, errp, EDT_VERSION)); 1038 1039 if (version < DTRACE_VERSION) { 1040 /* 1041 * Currently, increasing the library version number is used to 1042 * denote a binary incompatible change. That is, a consumer 1043 * of the library cannot run on a version of the library with 1044 * a higher DTRACE_VERSION number than the consumer compiled 1045 * against. Once the library API has been committed to, 1046 * backwards binary compatibility will be required; at that 1047 * time, this check should change to return EDT_OVERSION only 1048 * if the specified version number is less than the version 1049 * number at the time of interface commitment. 1050 */ 1051 return (set_open_errno(dtp, errp, EDT_OVERSION)); 1052 } 1053 1054 if (flags & ~DTRACE_O_MASK) 1055 return (set_open_errno(dtp, errp, EINVAL)); 1056 1057 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 1058 return (set_open_errno(dtp, errp, EINVAL)); 1059 1060 if (vector == NULL && arg != NULL) 1061 return (set_open_errno(dtp, errp, EINVAL)); 1062 1063 if (elf_version(EV_CURRENT) == EV_NONE) 1064 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 1065 1066 if (vector != NULL || (flags & DTRACE_O_NODEV)) 1067 goto alloc; /* do not attempt to open dtrace device */ 1068 1069 /* 1070 * Before we get going, crank our limit on file descriptors up to the 1071 * hard limit. This is to allow for the fact that libproc keeps file 1072 * descriptors to objects open for the lifetime of the proc handle; 1073 * without raising our hard limit, we would have an acceptably small 1074 * bound on the number of processes that we could concurrently 1075 * instrument with the pid provider. 1076 */ 1077 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 1078 rl.rlim_cur = rl.rlim_max; 1079 (void) setrlimit(RLIMIT_NOFILE, &rl); 1080 } 1081 1082 /* 1083 * Get the device path of each of the providers. We hold them open 1084 * in the df.df_fds list until we open the DTrace driver itself, 1085 * allowing us to see all of the probes provided on this system. Once 1086 * we have the DTrace driver open, we can safely close all the providers 1087 * now that they have registered with the framework. 1088 */ 1089 dt_provmod_open(&provmod, &df); 1090 1091 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1092 err = errno; /* save errno from opening dtfd */ 1093 #if defined(__FreeBSD__) 1094 /* 1095 * Automatically load the 'dtraceall' module if we couldn't open the 1096 * char device. 1097 */ 1098 if (err == ENOENT && modfind("dtraceall") < 0) { 1099 kldload("dtraceall"); /* ignore the error */ 1100 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1101 err = errno; 1102 } 1103 #endif 1104 #if defined(sun) 1105 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 1106 #else 1107 ftfd = open("/dev/dtrace/fasttrap", O_RDWR); 1108 #endif 1109 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 1110 1111 while (df.df_ents-- != 0) 1112 (void) close(df.df_fds[df.df_ents]); 1113 1114 free(df.df_fds); 1115 1116 /* 1117 * If we failed to open the dtrace device, fail dtrace_open(). 1118 * We convert some kernel errnos to custom libdtrace errnos to 1119 * improve the resulting message from the usual strerror(). 1120 */ 1121 if (dtfd == -1) { 1122 dt_provmod_destroy(&provmod); 1123 switch (err) { 1124 case ENOENT: 1125 err = EDT_NOENT; 1126 break; 1127 case EBUSY: 1128 err = EDT_BUSY; 1129 break; 1130 case EACCES: 1131 err = EDT_ACCESS; 1132 break; 1133 } 1134 return (set_open_errno(dtp, errp, err)); 1135 } 1136 1137 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 1138 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 1139 1140 alloc: 1141 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 1142 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1143 1144 bzero(dtp, sizeof (dtrace_hdl_t)); 1145 dtp->dt_oflags = flags; 1146 #if defined(sun) 1147 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 1148 #else 1149 dtp->dt_prcmode = DT_PROC_STOP_MAIN; 1150 #endif 1151 dtp->dt_linkmode = DT_LINK_KERNEL; 1152 dtp->dt_linktype = DT_LTYP_ELF; 1153 dtp->dt_xlatemode = DT_XL_STATIC; 1154 dtp->dt_stdcmode = DT_STDC_XA; 1155 dtp->dt_version = version; 1156 dtp->dt_fd = dtfd; 1157 dtp->dt_ftfd = ftfd; 1158 dtp->dt_fterr = fterr; 1159 dtp->dt_cdefs_fd = -1; 1160 dtp->dt_ddefs_fd = -1; 1161 #if defined(sun) 1162 dtp->dt_stdout_fd = -1; 1163 #else 1164 dtp->dt_freopen_fp = NULL; 1165 #endif 1166 dtp->dt_modbuckets = _dtrace_strbuckets; 1167 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1168 dtp->dt_provbuckets = _dtrace_strbuckets; 1169 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 1170 dt_proc_hash_create(dtp); 1171 dtp->dt_vmax = DT_VERS_LATEST; 1172 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 1173 dtp->dt_cpp_argv = malloc(sizeof (char *)); 1174 dtp->dt_cpp_argc = 1; 1175 dtp->dt_cpp_args = 1; 1176 dtp->dt_ld_path = strdup(_dtrace_defld); 1177 dtp->dt_provmod = provmod; 1178 dtp->dt_vector = vector; 1179 dtp->dt_varg = arg; 1180 dt_dof_init(dtp); 1181 (void) uname(&dtp->dt_uts); 1182 1183 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 1184 dtp->dt_procs == NULL || dtp->dt_ld_path == NULL || 1185 dtp->dt_cpp_path == NULL || dtp->dt_cpp_argv == NULL) 1186 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1187 1188 for (i = 0; i < DTRACEOPT_MAX; i++) 1189 dtp->dt_options[i] = DTRACEOPT_UNSET; 1190 1191 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 1192 1193 #if defined(sun) 1194 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 1195 (uint_t)(sizeof (void *) * NBBY)); 1196 1197 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 1198 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 1199 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 1200 1201 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 1202 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 1203 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 1204 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 1205 dt_cpp_add_arg(dtp, isadef) == NULL || 1206 dt_cpp_add_arg(dtp, utsdef) == NULL) 1207 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1208 #endif 1209 1210 if (flags & DTRACE_O_NODEV) 1211 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1212 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1213 return (set_open_errno(dtp, errp, errno)); 1214 1215 if (flags & DTRACE_O_LP64) 1216 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1217 else if (flags & DTRACE_O_ILP32) 1218 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1219 1220 #ifdef __sparc 1221 /* 1222 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1223 * and __sparcv9 is defined if we are doing a 64-bit compile. 1224 */ 1225 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1226 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1227 1228 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1229 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1230 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1231 #endif 1232 1233 #if defined(sun) 1234 #ifdef __x86 1235 /* 1236 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1237 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1238 * they are defined exclusive of one another (see PSARC 2004/619). 1239 */ 1240 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1241 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1242 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1243 } else { 1244 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1245 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1246 } 1247 #endif 1248 #else 1249 #if defined(__amd64__) || defined(__i386__) 1250 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1251 if (dt_cpp_add_arg(dtp, "-m64") == NULL) 1252 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1253 } else { 1254 if (dt_cpp_add_arg(dtp, "-m32") == NULL) 1255 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1256 } 1257 #endif 1258 #endif 1259 1260 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1261 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1262 1263 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1264 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1265 else 1266 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1267 1268 /* 1269 * On FreeBSD the kernel module name can't be hard-coded. The 1270 * 'kern.bootfile' sysctl value tells us exactly which file is being 1271 * used as the kernel. 1272 */ 1273 #if !defined(sun) 1274 { 1275 char bootfile[MAXPATHLEN]; 1276 char *p; 1277 int i; 1278 size_t len = sizeof(bootfile); 1279 1280 /* This call shouldn't fail, but use a default just in case. */ 1281 if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0) 1282 strlcpy(bootfile, "kernel", sizeof(bootfile)); 1283 1284 if ((p = strrchr(bootfile, '/')) != NULL) 1285 p++; 1286 else 1287 p = bootfile; 1288 1289 /* 1290 * Format the global variables based on the kernel module name. 1291 */ 1292 snprintf(curthread_str, sizeof(curthread_str), "%s`struct thread *",p); 1293 snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`struct mtx *)",p); 1294 snprintf(threadmtx_str, sizeof(threadmtx_str), "struct thread *(%s`struct mtx *)",p); 1295 snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`struct rwlock *)",p); 1296 snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sxlock *)",p); 1297 } 1298 #endif 1299 1300 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1301 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1302 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1303 1304 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1305 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1306 1307 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1308 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1309 1310 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1311 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1312 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1313 1314 /* 1315 * Populate the dt_macros identifier hash table by hand: we can't use 1316 * the dt_idhash_populate() mechanism because we're not yet compiling 1317 * and dtrace_update() needs to immediately reference these idents. 1318 */ 1319 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1320 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1321 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1322 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1323 idp->di_iarg, 0) == NULL) 1324 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1325 } 1326 1327 /* 1328 * Update the module list using /system/object and load the values for 1329 * the macro variable definitions according to the current process. 1330 */ 1331 dtrace_update(dtp); 1332 1333 /* 1334 * Select the intrinsics and typedefs we want based on the data model. 1335 * The intrinsics are under "C". The typedefs are added under "D". 1336 */ 1337 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1338 dinp = _dtrace_intrinsics_32; 1339 dtyp = _dtrace_typedefs_32; 1340 } else { 1341 dinp = _dtrace_intrinsics_64; 1342 dtyp = _dtrace_typedefs_64; 1343 } 1344 1345 /* 1346 * Create a dynamic CTF container under the "C" scope for intrinsic 1347 * types and types defined in ANSI-C header files that are included. 1348 */ 1349 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1350 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1351 1352 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1353 return (set_open_errno(dtp, errp, EDT_CTF)); 1354 1355 dt_dprintf("created CTF container for %s (%p)\n", 1356 dmp->dm_name, (void *)dmp->dm_ctfp); 1357 1358 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1359 ctf_setspecific(dmp->dm_ctfp, dmp); 1360 1361 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1362 dmp->dm_modid = -1; /* no module ID */ 1363 1364 /* 1365 * Fill the dynamic "C" CTF container with all of the intrinsic 1366 * integer and floating-point types appropriate for this data model. 1367 */ 1368 for (; dinp->din_name != NULL; dinp++) { 1369 if (dinp->din_kind == CTF_K_INTEGER) { 1370 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1371 dinp->din_name, &dinp->din_data); 1372 } else { 1373 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1374 dinp->din_name, &dinp->din_data); 1375 } 1376 1377 if (err == CTF_ERR) { 1378 dt_dprintf("failed to add %s to C container: %s\n", 1379 dinp->din_name, ctf_errmsg( 1380 ctf_errno(dmp->dm_ctfp))); 1381 return (set_open_errno(dtp, errp, EDT_CTF)); 1382 } 1383 } 1384 1385 if (ctf_update(dmp->dm_ctfp) != 0) { 1386 dt_dprintf("failed to update C container: %s\n", 1387 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1388 return (set_open_errno(dtp, errp, EDT_CTF)); 1389 } 1390 1391 /* 1392 * Add intrinsic pointer types that are needed to initialize printf 1393 * format dictionary types (see table in dt_printf.c). 1394 */ 1395 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1396 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1397 1398 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1399 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1400 1401 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1402 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 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 * Create a dynamic CTF container under the "D" scope for types that 1412 * are defined by the D program itself or on-the-fly by the D compiler. 1413 * The "D" CTF container is a child of the "C" CTF container. 1414 */ 1415 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1416 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1417 1418 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1419 return (set_open_errno(dtp, errp, EDT_CTF)); 1420 1421 dt_dprintf("created CTF container for %s (%p)\n", 1422 dmp->dm_name, (void *)dmp->dm_ctfp); 1423 1424 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1425 ctf_setspecific(dmp->dm_ctfp, dmp); 1426 1427 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1428 dmp->dm_modid = -1; /* no module ID */ 1429 1430 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1431 dt_dprintf("failed to import D parent container: %s\n", 1432 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1433 return (set_open_errno(dtp, errp, EDT_CTF)); 1434 } 1435 1436 /* 1437 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1438 * that we need to use for our D variable and function definitions. 1439 * This ensures that basic inttypes.h names are always available to us. 1440 */ 1441 for (; dtyp->dty_src != NULL; dtyp++) { 1442 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1443 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1444 dtyp->dty_src)) == CTF_ERR) { 1445 dt_dprintf("failed to add typedef %s %s to D " 1446 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1447 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1448 return (set_open_errno(dtp, errp, EDT_CTF)); 1449 } 1450 } 1451 1452 /* 1453 * Insert a CTF ID corresponding to a pointer to a type of kind 1454 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1455 * CTF treats all function pointers as "int (*)()" so we only need one. 1456 */ 1457 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1458 ctc.ctc_argc = 0; 1459 ctc.ctc_flags = 0; 1460 1461 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1462 CTF_ADD_ROOT, &ctc, NULL); 1463 1464 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1465 CTF_ADD_ROOT, dtp->dt_type_func); 1466 1467 /* 1468 * We also insert CTF definitions for the special D intrinsic types 1469 * string and <DYN> into the D container. The string type is added 1470 * as a typedef of char[n]. The <DYN> type is an alias for void. 1471 * We compare types to these special CTF ids throughout the compiler. 1472 */ 1473 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1474 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1475 ctr.ctr_nelems = _dtrace_strsize; 1476 1477 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1478 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1479 1480 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1481 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1482 1483 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1484 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1485 1486 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1487 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1488 1489 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1490 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1491 1492 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1493 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1494 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1495 dtp->dt_type_usymaddr == CTF_ERR) { 1496 dt_dprintf("failed to add intrinsic to D container: %s\n", 1497 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1498 return (set_open_errno(dtp, errp, EDT_CTF)); 1499 } 1500 1501 if (ctf_update(dmp->dm_ctfp) != 0) { 1502 dt_dprintf("failed update D container: %s\n", 1503 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1504 return (set_open_errno(dtp, errp, EDT_CTF)); 1505 } 1506 1507 /* 1508 * Initialize the integer description table used to convert integer 1509 * constants to the appropriate types. Refer to the comments above 1510 * dt_node_int() for a complete description of how this table is used. 1511 */ 1512 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1513 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1514 dtp->dt_ints[i].did_name, &dtt) != 0) { 1515 dt_dprintf("failed to lookup integer type %s: %s\n", 1516 dtp->dt_ints[i].did_name, 1517 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1518 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1519 } 1520 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1521 dtp->dt_ints[i].did_type = dtt.dtt_type; 1522 } 1523 1524 /* 1525 * Now that we've created the "C" and "D" containers, move them to the 1526 * start of the module list so that these types and symbols are found 1527 * first (for stability) when iterating through the module list. 1528 */ 1529 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1530 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1531 1532 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1533 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1534 1535 if (dt_pfdict_create(dtp) == -1) 1536 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1537 1538 /* 1539 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1540 * because without /dev/dtrace open, we will not be able to load the 1541 * names and attributes of any providers or probes from the kernel. 1542 */ 1543 if (flags & DTRACE_O_NODEV) 1544 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1545 1546 /* 1547 * Load hard-wired inlines into the definition cache by calling the 1548 * compiler on the raw definition string defined above. 1549 */ 1550 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1551 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1552 dt_dprintf("failed to load hard-wired definitions: %s\n", 1553 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1554 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1555 } 1556 1557 dt_program_destroy(dtp, pgp); 1558 1559 /* 1560 * Set up the default DTrace library path. Once set, the next call to 1561 * dt_compile() will compile all the libraries. We intentionally defer 1562 * library processing to improve overhead for clients that don't ever 1563 * compile, and to provide better error reporting (because the full 1564 * reporting of compiler errors requires dtrace_open() to succeed). 1565 */ 1566 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1567 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1568 1569 return (dtp); 1570 } 1571 1572 dtrace_hdl_t * 1573 dtrace_open(int version, int flags, int *errp) 1574 { 1575 return (dt_vopen(version, flags, errp, NULL, NULL)); 1576 } 1577 1578 dtrace_hdl_t * 1579 dtrace_vopen(int version, int flags, int *errp, 1580 const dtrace_vector_t *vector, void *arg) 1581 { 1582 return (dt_vopen(version, flags, errp, vector, arg)); 1583 } 1584 1585 void 1586 dtrace_close(dtrace_hdl_t *dtp) 1587 { 1588 dt_ident_t *idp, *ndp; 1589 dt_module_t *dmp; 1590 dt_provider_t *pvp; 1591 dtrace_prog_t *pgp; 1592 dt_xlator_t *dxp; 1593 dt_dirpath_t *dirp; 1594 int i; 1595 1596 if (dtp->dt_procs != NULL) 1597 dt_proc_hash_destroy(dtp); 1598 1599 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1600 dt_program_destroy(dtp, pgp); 1601 1602 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1603 dt_xlator_destroy(dtp, dxp); 1604 1605 dt_free(dtp, dtp->dt_xlatormap); 1606 1607 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1608 ndp = idp->di_next; 1609 dt_ident_destroy(idp); 1610 } 1611 1612 if (dtp->dt_macros != NULL) 1613 dt_idhash_destroy(dtp->dt_macros); 1614 if (dtp->dt_aggs != NULL) 1615 dt_idhash_destroy(dtp->dt_aggs); 1616 if (dtp->dt_globals != NULL) 1617 dt_idhash_destroy(dtp->dt_globals); 1618 if (dtp->dt_tls != NULL) 1619 dt_idhash_destroy(dtp->dt_tls); 1620 1621 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1622 dt_module_destroy(dtp, dmp); 1623 1624 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1625 dt_provider_destroy(dtp, pvp); 1626 1627 if (dtp->dt_fd != -1) 1628 (void) close(dtp->dt_fd); 1629 if (dtp->dt_ftfd != -1) 1630 (void) close(dtp->dt_ftfd); 1631 if (dtp->dt_cdefs_fd != -1) 1632 (void) close(dtp->dt_cdefs_fd); 1633 if (dtp->dt_ddefs_fd != -1) 1634 (void) close(dtp->dt_ddefs_fd); 1635 #if defined(sun) 1636 if (dtp->dt_stdout_fd != -1) 1637 (void) close(dtp->dt_stdout_fd); 1638 #else 1639 if (dtp->dt_freopen_fp != NULL) 1640 (void) fclose(dtp->dt_freopen_fp); 1641 #endif 1642 1643 dt_epid_destroy(dtp); 1644 dt_aggid_destroy(dtp); 1645 dt_format_destroy(dtp); 1646 dt_strdata_destroy(dtp); 1647 dt_buffered_destroy(dtp); 1648 dt_aggregate_destroy(dtp); 1649 dt_pfdict_destroy(dtp); 1650 dt_provmod_destroy(&dtp->dt_provmod); 1651 dt_dof_fini(dtp); 1652 1653 for (i = 1; i < dtp->dt_cpp_argc; i++) 1654 free(dtp->dt_cpp_argv[i]); 1655 1656 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1657 dt_list_delete(&dtp->dt_lib_path, dirp); 1658 free(dirp->dir_path); 1659 free(dirp); 1660 } 1661 1662 free(dtp->dt_cpp_argv); 1663 free(dtp->dt_cpp_path); 1664 free(dtp->dt_ld_path); 1665 1666 free(dtp->dt_mods); 1667 free(dtp->dt_provs); 1668 free(dtp); 1669 } 1670 1671 int 1672 dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1673 { 1674 dt_provmod_t *prov; 1675 int i = 0; 1676 1677 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1678 if (i < nmods) 1679 mods[i] = prov->dp_name; 1680 } 1681 1682 return (i); 1683 } 1684 1685 int 1686 dtrace_ctlfd(dtrace_hdl_t *dtp) 1687 { 1688 return (dtp->dt_fd); 1689 } 1690