1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 25 * Copyright (c) 2012 by Delphix. All rights reserved. 26 */ 27 28 #include <sys/types.h> 29 #if defined(sun) 30 #include <sys/modctl.h> 31 #include <sys/systeminfo.h> 32 #else 33 /* FreeBSD */ 34 #include <sys/param.h> 35 #include <sys/module.h> 36 #include <sys/linker.h> 37 #endif 38 #include <sys/resource.h> 39 40 #include <libelf.h> 41 #include <strings.h> 42 #if defined(sun) 43 #include <alloca.h> 44 #endif 45 #include <limits.h> 46 #include <unistd.h> 47 #include <stdlib.h> 48 #include <stdio.h> 49 #include <fcntl.h> 50 #include <errno.h> 51 #include <assert.h> 52 53 #define _POSIX_PTHREAD_SEMANTICS 54 #include <dirent.h> 55 #undef _POSIX_PTHREAD_SEMANTICS 56 57 #include <dt_impl.h> 58 #include <dt_program.h> 59 #include <dt_module.h> 60 #include <dt_printf.h> 61 #include <dt_string.h> 62 #include <dt_provider.h> 63 #if !defined(sun) 64 #include <sys/sysctl.h> 65 #include <string.h> 66 #endif 67 #if defined(__i386__) 68 #include <ieeefp.h> 69 #endif 70 71 /* 72 * Stability and versioning definitions. These #defines are used in the tables 73 * of identifiers below to fill in the attribute and version fields associated 74 * with each identifier. The DT_ATTR_* macros are a convenience to permit more 75 * concise declarations of common attributes such as Stable/Stable/Common. The 76 * DT_VERS_* macros declare the encoded integer values of all versions used so 77 * far. DT_VERS_LATEST must correspond to the latest version value among all 78 * versions exported by the D compiler. DT_VERS_STRING must be an ASCII string 79 * that contains DT_VERS_LATEST within it along with any suffixes (e.g. Beta). 80 * You must update DT_VERS_LATEST and DT_VERS_STRING when adding a new version, 81 * and then add the new version to the _dtrace_versions[] array declared below. 82 * Refer to the Solaris Dynamic Tracing Guide Stability and Versioning chapters 83 * respectively for an explanation of these DTrace features and their values. 84 * 85 * NOTE: Although the DTrace versioning scheme supports the labeling and 86 * introduction of incompatible changes (e.g. dropping an interface in a 87 * major release), the libdtrace code does not currently support this. 88 * All versions are assumed to strictly inherit from one another. If 89 * we ever need to provide divergent interfaces, this will need work. 90 */ 91 #define DT_ATTR_STABCMN { DTRACE_STABILITY_STABLE, \ 92 DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON } 93 94 #define DT_ATTR_EVOLCMN { DTRACE_STABILITY_EVOLVING, \ 95 DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON \ 96 } 97 98 /* 99 * The version number should be increased for every customer visible release 100 * of DTrace. The major number should be incremented when a fundamental 101 * change has been made that would affect all consumers, and would reflect 102 * sweeping changes to DTrace or the D language. The minor number should be 103 * incremented when a change is introduced that could break scripts that had 104 * previously worked; for example, adding a new built-in variable could break 105 * a script which was already using that identifier. The micro number should 106 * be changed when introducing functionality changes or major bug fixes that 107 * do not affect backward compatibility -- this is merely to make capabilities 108 * easily determined from the version number. Minor bugs do not require any 109 * modification to the version number. 110 */ 111 #define DT_VERS_1_0 DT_VERSION_NUMBER(1, 0, 0) 112 #define DT_VERS_1_1 DT_VERSION_NUMBER(1, 1, 0) 113 #define DT_VERS_1_2 DT_VERSION_NUMBER(1, 2, 0) 114 #define DT_VERS_1_2_1 DT_VERSION_NUMBER(1, 2, 1) 115 #define DT_VERS_1_2_2 DT_VERSION_NUMBER(1, 2, 2) 116 #define DT_VERS_1_3 DT_VERSION_NUMBER(1, 3, 0) 117 #define DT_VERS_1_4 DT_VERSION_NUMBER(1, 4, 0) 118 #define DT_VERS_1_4_1 DT_VERSION_NUMBER(1, 4, 1) 119 #define DT_VERS_1_5 DT_VERSION_NUMBER(1, 5, 0) 120 #define DT_VERS_1_6 DT_VERSION_NUMBER(1, 6, 0) 121 #define DT_VERS_1_6_1 DT_VERSION_NUMBER(1, 6, 1) 122 #define DT_VERS_1_6_2 DT_VERSION_NUMBER(1, 6, 2) 123 #define DT_VERS_1_6_3 DT_VERSION_NUMBER(1, 6, 3) 124 #define DT_VERS_1_7 DT_VERSION_NUMBER(1, 7, 0) 125 #define DT_VERS_1_7_1 DT_VERSION_NUMBER(1, 7, 1) 126 #define DT_VERS_1_8 DT_VERSION_NUMBER(1, 8, 0) 127 #define DT_VERS_1_8_1 DT_VERSION_NUMBER(1, 8, 1) 128 #define DT_VERS_1_9 DT_VERSION_NUMBER(1, 9, 0) 129 #define DT_VERS_1_9_1 DT_VERSION_NUMBER(1, 9, 1) 130 #define DT_VERS_1_10 DT_VERSION_NUMBER(1, 10, 0) 131 #define DT_VERS_1_11 DT_VERSION_NUMBER(1, 11, 0) 132 #define DT_VERS_1_12 DT_VERSION_NUMBER(1, 12, 0) 133 #define DT_VERS_1_12_1 DT_VERSION_NUMBER(1, 12, 1) 134 #define DT_VERS_LATEST DT_VERS_1_12_1 135 #define DT_VERS_STRING "Sun D 1.12.1" 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 0 162 }; 163 164 /* 165 * Global variables that are formatted on FreeBSD based on the kernel file name. 166 */ 167 #if !defined(sun) 168 static char curthread_str[MAXPATHLEN]; 169 static char intmtx_str[MAXPATHLEN]; 170 static char threadmtx_str[MAXPATHLEN]; 171 static char rwlock_str[MAXPATHLEN]; 172 static char sxlock_str[MAXPATHLEN]; 173 #endif 174 175 /* 176 * Table of global identifiers. This is used to populate the global identifier 177 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 178 * The global identifiers that represent functions use the dt_idops_func ops 179 * and specify the private data pointer as a prototype string which is parsed 180 * when the identifier is first encountered. These prototypes look like ANSI 181 * C function prototypes except that the special symbol "@" can be used as a 182 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 183 * The standard "..." notation can also be used to represent varargs. An empty 184 * parameter list is taken to mean void (that is, no arguments are permitted). 185 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 186 * argument. 187 */ 188 static const dt_ident_t _dtrace_globals[] = { 189 { "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 190 &dt_idops_func, "void *(size_t)" }, 191 { "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 192 &dt_idops_type, "int64_t" }, 193 { "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 194 &dt_idops_type, "int64_t" }, 195 { "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 196 &dt_idops_type, "int64_t" }, 197 { "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 198 &dt_idops_type, "int64_t" }, 199 { "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 200 &dt_idops_type, "int64_t" }, 201 { "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 202 &dt_idops_type, "int64_t" }, 203 { "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 204 &dt_idops_type, "int64_t" }, 205 { "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 206 &dt_idops_type, "int64_t" }, 207 { "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 208 &dt_idops_type, "int64_t" }, 209 { "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 210 &dt_idops_type, "int64_t" }, 211 { "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 212 &dt_idops_args, NULL }, 213 { "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 214 &dt_idops_func, "void(@)" }, 215 { "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 216 &dt_idops_func, "string(const char *)" }, 217 { "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 218 &dt_idops_func, "void(void *, void *, size_t)" }, 219 { "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 220 DT_ATTR_STABCMN, DT_VERS_1_0, 221 &dt_idops_func, "void()" }, 222 { "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 223 &dt_idops_type, "uintptr_t" }, 224 { "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 225 &dt_idops_func, "void(int)" }, 226 { "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 227 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 228 { "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 229 &dt_idops_func, "void(...)" }, 230 { "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 231 &dt_idops_func, "void(int)" }, 232 { "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 233 &dt_idops_func, "void *(uintptr_t, size_t)" }, 234 { "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 235 DT_ATTR_STABCMN, DT_VERS_1_0, 236 &dt_idops_func, "string(uintptr_t, [size_t])" }, 237 { "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 238 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 239 { "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 240 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 241 { "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 242 DT_ATTR_STABCMN, DT_VERS_1_0, 243 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 244 { "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 245 &dt_idops_func, "void()" }, 246 { "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 247 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 248 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 249 #if defined(sun) 250 &dt_idops_type, "genunix`kthread_t *" }, 251 #else 252 &dt_idops_type, curthread_str }, 253 #endif 254 { "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 255 DT_ATTR_EVOLCMN, DT_VERS_1_0, 256 &dt_idops_func, "string(void *, int64_t)" }, 257 { "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 258 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 259 { "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 260 &dt_idops_func, "string(const char *)" }, 261 { "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 262 &dt_idops_func, "void(int)" }, 263 { "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 264 &dt_idops_type, "uint_t" }, 265 { "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 266 &dt_idops_type, "int" }, 267 { "execargs", DT_IDENT_SCALAR, 0, DIF_VAR_EXECARGS, 268 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 269 { "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 270 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 271 { "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 272 &dt_idops_func, "void(int)" }, 273 { "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 274 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 275 { "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 276 DT_VERS_1_0, &dt_idops_func, "void()" }, 277 { "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 278 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 279 { "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 280 DT_ATTR_EVOLCMN, DT_VERS_1_0, 281 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 282 { "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 283 DT_ATTR_EVOLCMN, DT_VERS_1_0, 284 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 285 { "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 286 &dt_idops_func, "uint32_t(uint32_t)" }, 287 { "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 288 &dt_idops_func, "uint64_t(uint64_t)" }, 289 { "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 290 &dt_idops_func, "uint16_t(uint16_t)" }, 291 { "getf", DT_IDENT_FUNC, 0, DIF_SUBR_GETF, DT_ATTR_STABCMN, DT_VERS_1_10, 292 &dt_idops_func, "file_t *(int)" }, 293 { "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 294 &dt_idops_type, "gid_t" }, 295 { "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 296 &dt_idops_type, "uint_t" }, 297 { "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 298 &dt_idops_func, "int(const char *, const char *, [int])" }, 299 { "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 300 #if defined(sun) 301 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 302 #else 303 DT_VERS_1_5, &dt_idops_func, "string(in_addr_t *)" }, 304 #endif 305 { "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 306 #if defined(sun) 307 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 308 #else 309 DT_VERS_1_5, &dt_idops_func, "string(struct in6_addr *)" }, 310 #endif 311 { "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 312 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 313 { "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 314 &dt_idops_type, "uint_t" }, 315 { "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, 316 &dt_idops_func, "string(const char *, const char *)" }, 317 { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 318 &dt_idops_func, "stack(...)" }, 319 { "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 320 &dt_idops_func, "string(int64_t, [int])" }, 321 { "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 322 DT_VERS_1_7, &dt_idops_func, 323 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 324 { "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 325 DT_ATTR_STABCMN, DT_VERS_1_0, 326 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 327 { "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 328 &dt_idops_func, "void(@)" }, 329 { "memref", DT_IDENT_FUNC, 0, DIF_SUBR_MEMREF, DT_ATTR_STABCMN, DT_VERS_1_1, 330 &dt_idops_func, "uintptr_t *(void *, size_t)" }, 331 #if !defined(sun) 332 { "memstr", DT_IDENT_FUNC, 0, DIF_SUBR_MEMSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 333 &dt_idops_func, "string(void *, char, size_t)" }, 334 #endif 335 { "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 336 &dt_idops_func, "void(@)" }, 337 { "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 338 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 339 { "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 340 DT_ATTR_STABCMN, DT_VERS_1_0, 341 &dt_idops_func, "size_t(mblk_t *)" }, 342 { "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 343 DT_ATTR_STABCMN, DT_VERS_1_0, 344 &dt_idops_func, "size_t(mblk_t *)" }, 345 #if defined(sun) 346 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 347 DT_ATTR_EVOLCMN, DT_VERS_1_0, 348 &dt_idops_func, "int(genunix`kmutex_t *)" }, 349 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 350 DT_ATTR_EVOLCMN, DT_VERS_1_0, 351 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 352 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 353 DT_ATTR_EVOLCMN, DT_VERS_1_0, 354 &dt_idops_func, "int(genunix`kmutex_t *)" }, 355 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 356 DT_ATTR_EVOLCMN, DT_VERS_1_0, 357 &dt_idops_func, "int(genunix`kmutex_t *)" }, 358 #else 359 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 360 DT_ATTR_EVOLCMN, DT_VERS_1_0, 361 &dt_idops_func, intmtx_str }, 362 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 363 DT_ATTR_EVOLCMN, DT_VERS_1_0, 364 &dt_idops_func, threadmtx_str }, 365 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 366 DT_ATTR_EVOLCMN, DT_VERS_1_0, 367 &dt_idops_func, intmtx_str }, 368 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 369 DT_ATTR_EVOLCMN, DT_VERS_1_0, 370 &dt_idops_func, intmtx_str }, 371 #endif 372 { "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 373 &dt_idops_func, "uint32_t(uint32_t)" }, 374 { "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 375 &dt_idops_func, "uint64_t(uint64_t)" }, 376 { "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 377 &dt_idops_func, "uint16_t(uint16_t)" }, 378 { "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 379 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 380 { "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 381 &dt_idops_func, "void()" }, 382 { "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 383 &dt_idops_type, "pid_t" }, 384 { "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 385 &dt_idops_type, "pid_t" }, 386 { "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 387 &dt_idops_func, "void(@)" }, 388 { "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 389 &dt_idops_func, "void(@, ...)" }, 390 { "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 391 &dt_idops_func, "void(@, ...)" }, 392 { "printm", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTM, DT_ATTR_STABCMN, DT_VERS_1_0, 393 &dt_idops_func, "void(size_t, uintptr_t *)" }, 394 { "printt", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTT, DT_ATTR_STABCMN, DT_VERS_1_0, 395 &dt_idops_func, "void(size_t, uintptr_t *)" }, 396 { "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 397 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 398 { "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 399 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 400 { "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 401 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 402 { "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 403 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 404 { "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 405 DT_ATTR_STABCMN, DT_VERS_1_0, 406 &dt_idops_func, "int(pid_t)" }, 407 { "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 408 DT_ATTR_STABCMN, DT_VERS_1_0, 409 &dt_idops_func, "void(@, ...)" }, 410 { "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 411 &dt_idops_func, "void(int)" }, 412 { "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 413 &dt_idops_func, "int()" }, 414 { "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 415 &dt_idops_func, "int(const char *, const char *, [int])" }, 416 #if defined(sun) 417 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 418 DT_ATTR_EVOLCMN, DT_VERS_1_0, 419 &dt_idops_func, "int(genunix`krwlock_t *)" }, 420 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 421 DT_ATTR_EVOLCMN, DT_VERS_1_0, 422 &dt_idops_func, "int(genunix`krwlock_t *)" }, 423 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 424 DT_ATTR_EVOLCMN, DT_VERS_1_0, 425 &dt_idops_func, "int(genunix`krwlock_t *)" }, 426 #else 427 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 428 DT_ATTR_EVOLCMN, DT_VERS_1_0, 429 &dt_idops_func, rwlock_str }, 430 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 431 DT_ATTR_EVOLCMN, DT_VERS_1_0, 432 &dt_idops_func, rwlock_str }, 433 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 434 DT_ATTR_EVOLCMN, DT_VERS_1_0, 435 &dt_idops_func, rwlock_str }, 436 #endif 437 { "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 438 &dt_idops_type, "void" }, 439 { "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 440 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 441 { "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 442 DT_ATTR_STABCMN, DT_VERS_1_0, 443 &dt_idops_func, "void(int)" }, 444 { "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 445 DT_ATTR_STABCMN, DT_VERS_1_0, 446 &dt_idops_func, "int()" }, 447 { "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 448 &dt_idops_func, "stack(...)" }, 449 { "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 450 DT_ATTR_STABCMN, DT_VERS_1_0, 451 &dt_idops_type, "uint32_t" }, 452 { "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 453 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 454 { "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 455 &dt_idops_func, "void()" }, 456 { "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 457 &dt_idops_func, "string(const char *, char)" }, 458 { "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 459 &dt_idops_func, "size_t(const char *)" }, 460 { "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 461 &dt_idops_func, "string(const char *, const char *)" }, 462 { "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 463 &dt_idops_func, "string(const char *, char)" }, 464 { "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 465 &dt_idops_func, "string(const char *, const char *)" }, 466 { "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 467 &dt_idops_func, "string(const char *, const char *)" }, 468 { "strtoll", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOLL, DT_ATTR_STABCMN, DT_VERS_1_11, 469 &dt_idops_func, "int64_t(const char *, [int])" }, 470 { "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 471 &dt_idops_func, "string(const char *, int, [int])" }, 472 { "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 473 &dt_idops_func, "void(@)" }, 474 #if !defined(sun) 475 { "sx_isexclusive", DT_IDENT_FUNC, 0, DIF_SUBR_SX_ISEXCLUSIVE, 476 DT_ATTR_EVOLCMN, DT_VERS_1_0, 477 &dt_idops_func, sxlock_str }, 478 { "sx_shared_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_SHARED_HELD, 479 DT_ATTR_EVOLCMN, DT_VERS_1_0, 480 &dt_idops_func, sxlock_str }, 481 { "sx_exclusive_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_EXCLUSIVE_HELD, 482 DT_ATTR_EVOLCMN, DT_VERS_1_0, 483 &dt_idops_func, sxlock_str }, 484 #endif 485 { "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 486 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 487 { "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 488 &dt_idops_func, "void(@, ...)" }, 489 { "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 490 &dt_idops_type, "void" }, 491 { "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 492 &dt_idops_type, "id_t" }, 493 { "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 494 DT_ATTR_STABCMN, DT_VERS_1_0, 495 &dt_idops_type, "uint64_t" }, 496 { "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 497 &dt_idops_func, "string(const char *)" }, 498 { "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 499 &dt_idops_func, "string(const char *)" }, 500 { "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 501 &dt_idops_func, "void(@)" }, 502 { "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 503 DT_ATTR_STABCMN, DT_VERS_1_0, 504 &dt_idops_func, "void(@, size_t, ...)" }, 505 { "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 506 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 507 { "typeref", DT_IDENT_FUNC, 0, DIF_SUBR_TYPEREF, DT_ATTR_STABCMN, DT_VERS_1_1, 508 &dt_idops_func, "uintptr_t *(void *, size_t, string, size_t)" }, 509 { "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 510 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 511 { "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 512 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 513 { "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 514 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 515 { "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 516 &dt_idops_type, "uid_t" }, 517 { "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 518 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 519 { "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 520 &dt_idops_regs, NULL }, 521 { "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 522 &dt_idops_func, "stack(...)" }, 523 { "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 524 DT_ATTR_STABCMN, DT_VERS_1_2, 525 &dt_idops_type, "uint32_t" }, 526 { "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 527 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 528 { "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 529 DT_ATTR_STABCMN, DT_VERS_1_0, 530 &dt_idops_type, "uint64_t" }, 531 { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 532 DT_ATTR_STABCMN, DT_VERS_1_0, 533 &dt_idops_type, "int64_t" }, 534 #if defined(sun) 535 { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 536 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 537 #endif 538 539 #if !defined(sun) 540 { "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, 541 DT_ATTR_STABCMN, DT_VERS_1_6_3, &dt_idops_type, "int" }, 542 #endif 543 544 { NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 545 }; 546 547 /* 548 * Tables of ILP32 intrinsic integer and floating-point type templates to use 549 * to populate the dynamic "C" CTF type container. 550 */ 551 static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 552 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 553 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 554 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 555 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 556 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 557 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 558 { "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 559 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 560 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 561 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 562 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 563 { "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 564 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 565 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 566 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 567 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 568 { "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 569 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 570 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 571 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 572 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 573 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 574 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 575 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 576 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 577 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 578 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 579 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 580 { NULL, { 0, 0, 0 }, 0 } 581 }; 582 583 /* 584 * Tables of LP64 intrinsic integer and floating-point type templates to use 585 * to populate the dynamic "C" CTF type container. 586 */ 587 static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 588 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 589 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 590 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 591 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 592 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 593 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 594 { "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 595 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 596 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 597 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 598 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 599 { "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 600 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 601 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 602 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 603 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 604 { "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 605 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 606 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 607 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 608 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 609 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 610 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 611 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 612 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 613 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 614 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 615 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 616 { NULL, { 0, 0, 0 }, 0 } 617 }; 618 619 /* 620 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 621 * These aliases ensure that D definitions can use typical <sys/types.h> names. 622 */ 623 static const dt_typedef_t _dtrace_typedefs_32[] = { 624 { "char", "int8_t" }, 625 { "short", "int16_t" }, 626 { "int", "int32_t" }, 627 { "long long", "int64_t" }, 628 { "int", "intptr_t" }, 629 { "int", "ssize_t" }, 630 { "unsigned char", "uint8_t" }, 631 { "unsigned short", "uint16_t" }, 632 { "unsigned", "uint32_t" }, 633 { "unsigned long long", "uint64_t" }, 634 { "unsigned char", "uchar_t" }, 635 { "unsigned short", "ushort_t" }, 636 { "unsigned", "uint_t" }, 637 { "unsigned long", "ulong_t" }, 638 { "unsigned long long", "u_longlong_t" }, 639 { "int", "ptrdiff_t" }, 640 { "unsigned", "uintptr_t" }, 641 { "unsigned", "size_t" }, 642 { "long", "id_t" }, 643 { "long", "pid_t" }, 644 { NULL, NULL } 645 }; 646 647 /* 648 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 649 * These aliases ensure that D definitions can use typical <sys/types.h> names. 650 */ 651 static const dt_typedef_t _dtrace_typedefs_64[] = { 652 { "char", "int8_t" }, 653 { "short", "int16_t" }, 654 { "int", "int32_t" }, 655 { "long", "int64_t" }, 656 { "long", "intptr_t" }, 657 { "long", "ssize_t" }, 658 { "unsigned char", "uint8_t" }, 659 { "unsigned short", "uint16_t" }, 660 { "unsigned", "uint32_t" }, 661 { "unsigned long", "uint64_t" }, 662 { "unsigned char", "uchar_t" }, 663 { "unsigned short", "ushort_t" }, 664 { "unsigned", "uint_t" }, 665 { "unsigned long", "ulong_t" }, 666 { "unsigned long long", "u_longlong_t" }, 667 { "long", "ptrdiff_t" }, 668 { "unsigned long", "uintptr_t" }, 669 { "unsigned long", "size_t" }, 670 { "int", "id_t" }, 671 { "int", "pid_t" }, 672 { NULL, NULL } 673 }; 674 675 /* 676 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 677 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 678 */ 679 static const dt_intdesc_t _dtrace_ints_32[] = { 680 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 681 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 682 { "long", NULL, CTF_ERR, 0x7fffffffULL }, 683 { "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 684 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 685 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 686 }; 687 688 /* 689 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 690 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 691 */ 692 static const dt_intdesc_t _dtrace_ints_64[] = { 693 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 694 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 695 { "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 696 { "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 697 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 698 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 699 }; 700 701 /* 702 * Table of macro variable templates used to populate the macro identifier hash 703 * when a new dtrace client open occurs. Values are set by dtrace_update(). 704 */ 705 static const dt_ident_t _dtrace_macros[] = { 706 { "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 707 { "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 708 { "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 709 { "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 710 { "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 711 { "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 712 { "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 713 { "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 714 { "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 715 { "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 716 { "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 717 { NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 718 }; 719 720 /* 721 * Hard-wired definition string to be compiled and cached every time a new 722 * DTrace library handle is initialized. This string should only be used to 723 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 724 */ 725 static const char _dtrace_hardwire[] = "\ 726 inline long NULL = 0; \n\ 727 #pragma D binding \"1.0\" NULL\n\ 728 "; 729 730 /* 731 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 732 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 733 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 734 * relying on the fact that when running dtrace(1M), isaexec will invoke the 735 * binary with the same bitness as the kernel, which is what we want by default 736 * when generating our DIF. The user can override the choice using oflags. 737 */ 738 static const dtrace_conf_t _dtrace_conf = { 739 DIF_VERSION, /* dtc_difversion */ 740 DIF_DIR_NREGS, /* dtc_difintregs */ 741 DIF_DTR_NREGS, /* dtc_diftupregs */ 742 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 743 }; 744 745 const dtrace_attribute_t _dtrace_maxattr = { 746 DTRACE_STABILITY_MAX, 747 DTRACE_STABILITY_MAX, 748 DTRACE_CLASS_MAX 749 }; 750 751 const dtrace_attribute_t _dtrace_defattr = { 752 DTRACE_STABILITY_STABLE, 753 DTRACE_STABILITY_STABLE, 754 DTRACE_CLASS_COMMON 755 }; 756 757 const dtrace_attribute_t _dtrace_symattr = { 758 DTRACE_STABILITY_PRIVATE, 759 DTRACE_STABILITY_PRIVATE, 760 DTRACE_CLASS_UNKNOWN 761 }; 762 763 const dtrace_attribute_t _dtrace_typattr = { 764 DTRACE_STABILITY_PRIVATE, 765 DTRACE_STABILITY_PRIVATE, 766 DTRACE_CLASS_UNKNOWN 767 }; 768 769 const dtrace_attribute_t _dtrace_prvattr = { 770 DTRACE_STABILITY_PRIVATE, 771 DTRACE_STABILITY_PRIVATE, 772 DTRACE_CLASS_UNKNOWN 773 }; 774 775 const dtrace_pattr_t _dtrace_prvdesc = { 776 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 777 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 778 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 779 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 780 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 781 }; 782 783 #if defined(sun) 784 const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 785 const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 786 #else 787 const char *_dtrace_defcpp = "cpp"; /* default cpp(1) to invoke */ 788 const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */ 789 #endif 790 791 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 792 #if defined(sun) 793 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 794 #else 795 const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */ 796 #endif 797 798 int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 799 int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 800 uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 801 uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 802 uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 803 uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 804 size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 805 int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 806 807 int _dtrace_debug = 0; /* debug messages enabled (off) */ 808 const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 809 int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 810 811 typedef struct dt_fdlist { 812 int *df_fds; /* array of provider driver file descriptors */ 813 uint_t df_ents; /* number of valid elements in df_fds[] */ 814 uint_t df_size; /* size of df_fds[] */ 815 } dt_fdlist_t; 816 817 #if defined(sun) 818 #pragma init(_dtrace_init) 819 #else 820 void _dtrace_init(void) __attribute__ ((constructor)); 821 #endif 822 void 823 _dtrace_init(void) 824 { 825 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 826 827 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 828 if (rd_init(_dtrace_rdvers) == RD_OK) 829 break; 830 } 831 #if defined(__i386__) 832 /* make long doubles 64 bits -sson */ 833 (void) fpsetprec(FP_PE); 834 #endif 835 } 836 837 static dtrace_hdl_t * 838 set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 839 { 840 if (dtp != NULL) 841 dtrace_close(dtp); 842 if (errp != NULL) 843 *errp = err; 844 return (NULL); 845 } 846 847 static void 848 dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 849 { 850 dt_provmod_t *prov; 851 char path[PATH_MAX]; 852 int fd; 853 #if defined(sun) 854 struct dirent *dp, *ep; 855 DIR *dirp; 856 857 if ((dirp = opendir(_dtrace_provdir)) == NULL) 858 return; /* failed to open directory; just skip it */ 859 860 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 861 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 862 863 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 864 if (dp->d_name[0] == '.') 865 continue; /* skip "." and ".." */ 866 867 if (dfp->df_ents == dfp->df_size) { 868 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 869 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 870 871 if (fds == NULL) 872 break; /* skip the rest of this directory */ 873 874 dfp->df_fds = fds; 875 dfp->df_size = size; 876 } 877 878 (void) snprintf(path, sizeof (path), "%s/%s", 879 _dtrace_provdir, dp->d_name); 880 881 if ((fd = open(path, O_RDONLY)) == -1) 882 continue; /* failed to open driver; just skip it */ 883 884 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 885 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 886 free(prov); 887 (void) close(fd); 888 break; 889 } 890 891 (void) strcpy(prov->dp_name, dp->d_name); 892 prov->dp_next = *provmod; 893 *provmod = prov; 894 895 dt_dprintf("opened provider %s\n", dp->d_name); 896 dfp->df_fds[dfp->df_ents++] = fd; 897 } 898 899 (void) closedir(dirp); 900 #else 901 char *p; 902 char *p1; 903 char *p_providers = NULL; 904 int error; 905 size_t len = 0; 906 907 /* 908 * Loop to allocate/reallocate memory for the string of provider 909 * names and retry: 910 */ 911 while(1) { 912 /* 913 * The first time around, get the string length. The next time, 914 * hopefully we've allocated enough memory. 915 */ 916 error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0); 917 if (len == 0) 918 /* No providers? That's strange. Where's dtrace? */ 919 break; 920 else if (error == 0 && p_providers == NULL) { 921 /* 922 * Allocate the initial memory which should be enough 923 * unless another provider loads before we have 924 * time to go back and get the string. 925 */ 926 if ((p_providers = malloc(len)) == NULL) 927 /* How do we report errors here? */ 928 return; 929 } else if (error == -1 && errno == ENOMEM) { 930 /* 931 * The current buffer isn't large enough, so 932 * reallocate it. We normally won't need to do this 933 * because providers aren't being loaded all the time. 934 */ 935 if ((p = realloc(p_providers,len)) == NULL) 936 /* How do we report errors here? */ 937 return; 938 p_providers = p; 939 } else 940 break; 941 } 942 943 /* Check if we got a string of provider names: */ 944 if (error == 0 && len > 0 && p_providers != NULL) { 945 p = p_providers; 946 947 /* 948 * Parse the string containing the space separated 949 * provider names. 950 */ 951 while ((p1 = strsep(&p," ")) != NULL) { 952 if (dfp->df_ents == dfp->df_size) { 953 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 954 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 955 956 if (fds == NULL) 957 break; 958 959 dfp->df_fds = fds; 960 dfp->df_size = size; 961 } 962 963 (void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1); 964 965 if ((fd = open(path, O_RDONLY)) == -1) 966 continue; /* failed to open driver; just skip it */ 967 968 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 969 (prov->dp_name = malloc(strlen(p1) + 1)) == NULL) { 970 free(prov); 971 (void) close(fd); 972 break; 973 } 974 975 (void) strcpy(prov->dp_name, p1); 976 prov->dp_next = *provmod; 977 *provmod = prov; 978 979 dt_dprintf("opened provider %s\n", p1); 980 dfp->df_fds[dfp->df_ents++] = fd; 981 } 982 } 983 if (p_providers != NULL) 984 free(p_providers); 985 #endif 986 } 987 988 static void 989 dt_provmod_destroy(dt_provmod_t **provmod) 990 { 991 dt_provmod_t *next, *current; 992 993 for (current = *provmod; current != NULL; current = next) { 994 next = current->dp_next; 995 free(current->dp_name); 996 free(current); 997 } 998 999 *provmod = NULL; 1000 } 1001 1002 #if defined(sun) 1003 static const char * 1004 dt_get_sysinfo(int cmd, char *buf, size_t len) 1005 { 1006 ssize_t rv = sysinfo(cmd, buf, len); 1007 char *p = buf; 1008 1009 if (rv < 0 || rv > len) 1010 (void) snprintf(buf, len, "%s", "Unknown"); 1011 1012 while ((p = strchr(p, '.')) != NULL) 1013 *p++ = '_'; 1014 1015 return (buf); 1016 } 1017 #endif 1018 1019 static dtrace_hdl_t * 1020 dt_vopen(int version, int flags, int *errp, 1021 const dtrace_vector_t *vector, void *arg) 1022 { 1023 dtrace_hdl_t *dtp = NULL; 1024 int dtfd = -1, ftfd = -1, fterr = 0; 1025 dtrace_prog_t *pgp; 1026 dt_module_t *dmp; 1027 dt_provmod_t *provmod = NULL; 1028 int i, err; 1029 struct rlimit rl; 1030 1031 const dt_intrinsic_t *dinp; 1032 const dt_typedef_t *dtyp; 1033 const dt_ident_t *idp; 1034 1035 dtrace_typeinfo_t dtt; 1036 ctf_funcinfo_t ctc; 1037 ctf_arinfo_t ctr; 1038 1039 dt_fdlist_t df = { NULL, 0, 0 }; 1040 1041 char isadef[32], utsdef[32]; 1042 char s1[64], s2[64]; 1043 1044 if (version <= 0) 1045 return (set_open_errno(dtp, errp, EINVAL)); 1046 1047 if (version > DTRACE_VERSION) 1048 return (set_open_errno(dtp, errp, EDT_VERSION)); 1049 1050 if (version < DTRACE_VERSION) { 1051 /* 1052 * Currently, increasing the library version number is used to 1053 * denote a binary incompatible change. That is, a consumer 1054 * of the library cannot run on a version of the library with 1055 * a higher DTRACE_VERSION number than the consumer compiled 1056 * against. Once the library API has been committed to, 1057 * backwards binary compatibility will be required; at that 1058 * time, this check should change to return EDT_OVERSION only 1059 * if the specified version number is less than the version 1060 * number at the time of interface commitment. 1061 */ 1062 return (set_open_errno(dtp, errp, EDT_OVERSION)); 1063 } 1064 1065 if (flags & ~DTRACE_O_MASK) 1066 return (set_open_errno(dtp, errp, EINVAL)); 1067 1068 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 1069 return (set_open_errno(dtp, errp, EINVAL)); 1070 1071 if (vector == NULL && arg != NULL) 1072 return (set_open_errno(dtp, errp, EINVAL)); 1073 1074 if (elf_version(EV_CURRENT) == EV_NONE) 1075 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 1076 1077 if (vector != NULL || (flags & DTRACE_O_NODEV)) 1078 goto alloc; /* do not attempt to open dtrace device */ 1079 1080 /* 1081 * Before we get going, crank our limit on file descriptors up to the 1082 * hard limit. This is to allow for the fact that libproc keeps file 1083 * descriptors to objects open for the lifetime of the proc handle; 1084 * without raising our hard limit, we would have an acceptably small 1085 * bound on the number of processes that we could concurrently 1086 * instrument with the pid provider. 1087 */ 1088 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 1089 rl.rlim_cur = rl.rlim_max; 1090 (void) setrlimit(RLIMIT_NOFILE, &rl); 1091 } 1092 1093 /* 1094 * Get the device path of each of the providers. We hold them open 1095 * in the df.df_fds list until we open the DTrace driver itself, 1096 * allowing us to see all of the probes provided on this system. Once 1097 * we have the DTrace driver open, we can safely close all the providers 1098 * now that they have registered with the framework. 1099 */ 1100 dt_provmod_open(&provmod, &df); 1101 1102 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1103 err = errno; /* save errno from opening dtfd */ 1104 #if defined(__FreeBSD__) 1105 /* 1106 * Automatically load the 'dtraceall' module if we couldn't open the 1107 * char device. 1108 */ 1109 if (err == ENOENT && modfind("dtraceall") < 0) { 1110 kldload("dtraceall"); /* ignore the error */ 1111 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1112 err = errno; 1113 } 1114 #endif 1115 #if defined(sun) 1116 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 1117 #else 1118 ftfd = open("/dev/dtrace/fasttrap", O_RDWR); 1119 #endif 1120 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 1121 1122 while (df.df_ents-- != 0) 1123 (void) close(df.df_fds[df.df_ents]); 1124 1125 free(df.df_fds); 1126 1127 /* 1128 * If we failed to open the dtrace device, fail dtrace_open(). 1129 * We convert some kernel errnos to custom libdtrace errnos to 1130 * improve the resulting message from the usual strerror(). 1131 */ 1132 if (dtfd == -1) { 1133 dt_provmod_destroy(&provmod); 1134 switch (err) { 1135 case ENOENT: 1136 err = EDT_NOENT; 1137 break; 1138 case EBUSY: 1139 err = EDT_BUSY; 1140 break; 1141 case EACCES: 1142 err = EDT_ACCESS; 1143 break; 1144 } 1145 return (set_open_errno(dtp, errp, err)); 1146 } 1147 1148 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 1149 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 1150 1151 alloc: 1152 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 1153 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1154 1155 bzero(dtp, sizeof (dtrace_hdl_t)); 1156 dtp->dt_oflags = flags; 1157 #if defined(sun) 1158 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 1159 #else 1160 dtp->dt_prcmode = DT_PROC_STOP_POSTINIT; 1161 #endif 1162 dtp->dt_linkmode = DT_LINK_KERNEL; 1163 dtp->dt_linktype = DT_LTYP_ELF; 1164 dtp->dt_xlatemode = DT_XL_STATIC; 1165 dtp->dt_stdcmode = DT_STDC_XA; 1166 dtp->dt_encoding = DT_ENCODING_UNSET; 1167 dtp->dt_version = version; 1168 dtp->dt_fd = dtfd; 1169 dtp->dt_ftfd = ftfd; 1170 dtp->dt_fterr = fterr; 1171 dtp->dt_cdefs_fd = -1; 1172 dtp->dt_ddefs_fd = -1; 1173 #if defined(sun) 1174 dtp->dt_stdout_fd = -1; 1175 #else 1176 dtp->dt_freopen_fp = NULL; 1177 #endif 1178 dtp->dt_modbuckets = _dtrace_strbuckets; 1179 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1180 dtp->dt_provbuckets = _dtrace_strbuckets; 1181 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 1182 dt_proc_hash_create(dtp); 1183 dtp->dt_vmax = DT_VERS_LATEST; 1184 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 1185 dtp->dt_cpp_argv = malloc(sizeof (char *)); 1186 dtp->dt_cpp_argc = 1; 1187 dtp->dt_cpp_args = 1; 1188 dtp->dt_ld_path = strdup(_dtrace_defld); 1189 dtp->dt_provmod = provmod; 1190 dtp->dt_vector = vector; 1191 dtp->dt_varg = arg; 1192 dt_dof_init(dtp); 1193 (void) uname(&dtp->dt_uts); 1194 1195 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 1196 dtp->dt_procs == NULL || dtp->dt_ld_path == NULL || 1197 dtp->dt_cpp_path == NULL || dtp->dt_cpp_argv == NULL) 1198 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1199 1200 for (i = 0; i < DTRACEOPT_MAX; i++) 1201 dtp->dt_options[i] = DTRACEOPT_UNSET; 1202 1203 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 1204 1205 #if defined(sun) 1206 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 1207 (uint_t)(sizeof (void *) * NBBY)); 1208 1209 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 1210 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 1211 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 1212 1213 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 1214 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 1215 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 1216 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 1217 dt_cpp_add_arg(dtp, isadef) == NULL || 1218 dt_cpp_add_arg(dtp, utsdef) == NULL) 1219 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1220 #endif 1221 1222 if (flags & DTRACE_O_NODEV) 1223 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1224 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1225 return (set_open_errno(dtp, errp, errno)); 1226 1227 if (flags & DTRACE_O_LP64) 1228 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1229 else if (flags & DTRACE_O_ILP32) 1230 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1231 1232 #ifdef __sparc 1233 /* 1234 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1235 * and __sparcv9 is defined if we are doing a 64-bit compile. 1236 */ 1237 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1238 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1239 1240 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1241 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1242 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1243 #endif 1244 1245 #if defined(sun) 1246 #ifdef __x86 1247 /* 1248 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1249 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1250 * they are defined exclusive of one another (see PSARC 2004/619). 1251 */ 1252 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1253 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1254 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1255 } else { 1256 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1257 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1258 } 1259 #endif 1260 #else 1261 #if defined(__amd64__) || defined(__i386__) 1262 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1263 if (dt_cpp_add_arg(dtp, "-m64") == NULL) 1264 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1265 } else { 1266 if (dt_cpp_add_arg(dtp, "-m32") == NULL) 1267 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1268 } 1269 #endif 1270 #endif 1271 1272 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1273 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1274 1275 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1276 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1277 else 1278 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1279 1280 /* 1281 * On FreeBSD the kernel module name can't be hard-coded. The 1282 * 'kern.bootfile' sysctl value tells us exactly which file is being 1283 * used as the kernel. 1284 */ 1285 #if !defined(sun) 1286 { 1287 char bootfile[MAXPATHLEN]; 1288 char *p; 1289 int i; 1290 size_t len = sizeof(bootfile); 1291 1292 /* This call shouldn't fail, but use a default just in case. */ 1293 if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0) 1294 strlcpy(bootfile, "kernel", sizeof(bootfile)); 1295 1296 if ((p = strrchr(bootfile, '/')) != NULL) 1297 p++; 1298 else 1299 p = bootfile; 1300 1301 /* 1302 * Format the global variables based on the kernel module name. 1303 */ 1304 snprintf(curthread_str, sizeof(curthread_str), "%s`struct thread *",p); 1305 snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`struct mtx *)",p); 1306 snprintf(threadmtx_str, sizeof(threadmtx_str), "struct thread *(%s`struct mtx *)",p); 1307 snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`struct rwlock *)",p); 1308 snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sxlock *)",p); 1309 } 1310 #endif 1311 1312 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1313 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1314 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1315 1316 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1317 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1318 1319 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1320 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1321 1322 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1323 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1324 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1325 1326 /* 1327 * Populate the dt_macros identifier hash table by hand: we can't use 1328 * the dt_idhash_populate() mechanism because we're not yet compiling 1329 * and dtrace_update() needs to immediately reference these idents. 1330 */ 1331 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1332 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1333 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1334 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1335 idp->di_iarg, 0) == NULL) 1336 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1337 } 1338 1339 /* 1340 * Update the module list using /system/object and load the values for 1341 * the macro variable definitions according to the current process. 1342 */ 1343 dtrace_update(dtp); 1344 1345 /* 1346 * Select the intrinsics and typedefs we want based on the data model. 1347 * The intrinsics are under "C". The typedefs are added under "D". 1348 */ 1349 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1350 dinp = _dtrace_intrinsics_32; 1351 dtyp = _dtrace_typedefs_32; 1352 } else { 1353 dinp = _dtrace_intrinsics_64; 1354 dtyp = _dtrace_typedefs_64; 1355 } 1356 1357 /* 1358 * Create a dynamic CTF container under the "C" scope for intrinsic 1359 * types and types defined in ANSI-C header files that are included. 1360 */ 1361 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1362 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1363 1364 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1365 return (set_open_errno(dtp, errp, EDT_CTF)); 1366 1367 dt_dprintf("created CTF container for %s (%p)\n", 1368 dmp->dm_name, (void *)dmp->dm_ctfp); 1369 1370 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1371 ctf_setspecific(dmp->dm_ctfp, dmp); 1372 1373 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1374 dmp->dm_modid = -1; /* no module ID */ 1375 1376 /* 1377 * Fill the dynamic "C" CTF container with all of the intrinsic 1378 * integer and floating-point types appropriate for this data model. 1379 */ 1380 for (; dinp->din_name != NULL; dinp++) { 1381 if (dinp->din_kind == CTF_K_INTEGER) { 1382 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1383 dinp->din_name, &dinp->din_data); 1384 } else { 1385 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1386 dinp->din_name, &dinp->din_data); 1387 } 1388 1389 if (err == CTF_ERR) { 1390 dt_dprintf("failed to add %s to C container: %s\n", 1391 dinp->din_name, ctf_errmsg( 1392 ctf_errno(dmp->dm_ctfp))); 1393 return (set_open_errno(dtp, errp, EDT_CTF)); 1394 } 1395 } 1396 1397 if (ctf_update(dmp->dm_ctfp) != 0) { 1398 dt_dprintf("failed to update C container: %s\n", 1399 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1400 return (set_open_errno(dtp, errp, EDT_CTF)); 1401 } 1402 1403 /* 1404 * Add intrinsic pointer types that are needed to initialize printf 1405 * format dictionary types (see table in dt_printf.c). 1406 */ 1407 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1408 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1409 1410 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1411 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1412 1413 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1414 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1415 1416 if (ctf_update(dmp->dm_ctfp) != 0) { 1417 dt_dprintf("failed to update C container: %s\n", 1418 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1419 return (set_open_errno(dtp, errp, EDT_CTF)); 1420 } 1421 1422 /* 1423 * Create a dynamic CTF container under the "D" scope for types that 1424 * are defined by the D program itself or on-the-fly by the D compiler. 1425 * The "D" CTF container is a child of the "C" CTF container. 1426 */ 1427 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1428 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1429 1430 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1431 return (set_open_errno(dtp, errp, EDT_CTF)); 1432 1433 dt_dprintf("created CTF container for %s (%p)\n", 1434 dmp->dm_name, (void *)dmp->dm_ctfp); 1435 1436 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1437 ctf_setspecific(dmp->dm_ctfp, dmp); 1438 1439 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1440 dmp->dm_modid = -1; /* no module ID */ 1441 1442 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1443 dt_dprintf("failed to import D parent container: %s\n", 1444 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1445 return (set_open_errno(dtp, errp, EDT_CTF)); 1446 } 1447 1448 /* 1449 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1450 * that we need to use for our D variable and function definitions. 1451 * This ensures that basic inttypes.h names are always available to us. 1452 */ 1453 for (; dtyp->dty_src != NULL; dtyp++) { 1454 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1455 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1456 dtyp->dty_src)) == CTF_ERR) { 1457 dt_dprintf("failed to add typedef %s %s to D " 1458 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1459 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1460 return (set_open_errno(dtp, errp, EDT_CTF)); 1461 } 1462 } 1463 1464 /* 1465 * Insert a CTF ID corresponding to a pointer to a type of kind 1466 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1467 * CTF treats all function pointers as "int (*)()" so we only need one. 1468 */ 1469 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1470 ctc.ctc_argc = 0; 1471 ctc.ctc_flags = 0; 1472 1473 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1474 CTF_ADD_ROOT, &ctc, NULL); 1475 1476 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1477 CTF_ADD_ROOT, dtp->dt_type_func); 1478 1479 /* 1480 * We also insert CTF definitions for the special D intrinsic types 1481 * string and <DYN> into the D container. The string type is added 1482 * as a typedef of char[n]. The <DYN> type is an alias for void. 1483 * We compare types to these special CTF ids throughout the compiler. 1484 */ 1485 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1486 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1487 ctr.ctr_nelems = _dtrace_strsize; 1488 1489 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1490 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1491 1492 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1493 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1494 1495 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1496 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1497 1498 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1499 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1500 1501 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1502 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1503 1504 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1505 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1506 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1507 dtp->dt_type_usymaddr == CTF_ERR) { 1508 dt_dprintf("failed to add intrinsic to D container: %s\n", 1509 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1510 return (set_open_errno(dtp, errp, EDT_CTF)); 1511 } 1512 1513 if (ctf_update(dmp->dm_ctfp) != 0) { 1514 dt_dprintf("failed update D container: %s\n", 1515 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1516 return (set_open_errno(dtp, errp, EDT_CTF)); 1517 } 1518 1519 /* 1520 * Initialize the integer description table used to convert integer 1521 * constants to the appropriate types. Refer to the comments above 1522 * dt_node_int() for a complete description of how this table is used. 1523 */ 1524 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1525 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1526 dtp->dt_ints[i].did_name, &dtt) != 0) { 1527 dt_dprintf("failed to lookup integer type %s: %s\n", 1528 dtp->dt_ints[i].did_name, 1529 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1530 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1531 } 1532 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1533 dtp->dt_ints[i].did_type = dtt.dtt_type; 1534 } 1535 1536 /* 1537 * Now that we've created the "C" and "D" containers, move them to the 1538 * start of the module list so that these types and symbols are found 1539 * first (for stability) when iterating through the module list. 1540 */ 1541 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1542 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1543 1544 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1545 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1546 1547 if (dt_pfdict_create(dtp) == -1) 1548 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1549 1550 /* 1551 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1552 * because without /dev/dtrace open, we will not be able to load the 1553 * names and attributes of any providers or probes from the kernel. 1554 */ 1555 if (flags & DTRACE_O_NODEV) 1556 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1557 1558 /* 1559 * Load hard-wired inlines into the definition cache by calling the 1560 * compiler on the raw definition string defined above. 1561 */ 1562 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1563 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1564 dt_dprintf("failed to load hard-wired definitions: %s\n", 1565 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1566 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1567 } 1568 1569 dt_program_destroy(dtp, pgp); 1570 1571 /* 1572 * Set up the default DTrace library path. Once set, the next call to 1573 * dt_compile() will compile all the libraries. We intentionally defer 1574 * library processing to improve overhead for clients that don't ever 1575 * compile, and to provide better error reporting (because the full 1576 * reporting of compiler errors requires dtrace_open() to succeed). 1577 */ 1578 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1579 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1580 1581 return (dtp); 1582 } 1583 1584 dtrace_hdl_t * 1585 dtrace_open(int version, int flags, int *errp) 1586 { 1587 return (dt_vopen(version, flags, errp, NULL, NULL)); 1588 } 1589 1590 dtrace_hdl_t * 1591 dtrace_vopen(int version, int flags, int *errp, 1592 const dtrace_vector_t *vector, void *arg) 1593 { 1594 return (dt_vopen(version, flags, errp, vector, arg)); 1595 } 1596 1597 void 1598 dtrace_close(dtrace_hdl_t *dtp) 1599 { 1600 dt_ident_t *idp, *ndp; 1601 dt_module_t *dmp; 1602 dt_provider_t *pvp; 1603 dtrace_prog_t *pgp; 1604 dt_xlator_t *dxp; 1605 dt_dirpath_t *dirp; 1606 int i; 1607 1608 if (dtp->dt_procs != NULL) 1609 dt_proc_hash_destroy(dtp); 1610 1611 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1612 dt_program_destroy(dtp, pgp); 1613 1614 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1615 dt_xlator_destroy(dtp, dxp); 1616 1617 dt_free(dtp, dtp->dt_xlatormap); 1618 1619 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1620 ndp = idp->di_next; 1621 dt_ident_destroy(idp); 1622 } 1623 1624 if (dtp->dt_macros != NULL) 1625 dt_idhash_destroy(dtp->dt_macros); 1626 if (dtp->dt_aggs != NULL) 1627 dt_idhash_destroy(dtp->dt_aggs); 1628 if (dtp->dt_globals != NULL) 1629 dt_idhash_destroy(dtp->dt_globals); 1630 if (dtp->dt_tls != NULL) 1631 dt_idhash_destroy(dtp->dt_tls); 1632 1633 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1634 dt_module_destroy(dtp, dmp); 1635 1636 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1637 dt_provider_destroy(dtp, pvp); 1638 1639 if (dtp->dt_fd != -1) 1640 (void) close(dtp->dt_fd); 1641 if (dtp->dt_ftfd != -1) 1642 (void) close(dtp->dt_ftfd); 1643 if (dtp->dt_cdefs_fd != -1) 1644 (void) close(dtp->dt_cdefs_fd); 1645 if (dtp->dt_ddefs_fd != -1) 1646 (void) close(dtp->dt_ddefs_fd); 1647 #if defined(sun) 1648 if (dtp->dt_stdout_fd != -1) 1649 (void) close(dtp->dt_stdout_fd); 1650 #else 1651 if (dtp->dt_freopen_fp != NULL) 1652 (void) fclose(dtp->dt_freopen_fp); 1653 #endif 1654 1655 dt_epid_destroy(dtp); 1656 dt_aggid_destroy(dtp); 1657 dt_format_destroy(dtp); 1658 dt_strdata_destroy(dtp); 1659 dt_buffered_destroy(dtp); 1660 dt_aggregate_destroy(dtp); 1661 dt_pfdict_destroy(dtp); 1662 dt_provmod_destroy(&dtp->dt_provmod); 1663 dt_dof_fini(dtp); 1664 1665 for (i = 1; i < dtp->dt_cpp_argc; i++) 1666 free(dtp->dt_cpp_argv[i]); 1667 1668 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1669 dt_list_delete(&dtp->dt_lib_path, dirp); 1670 free(dirp->dir_path); 1671 free(dirp); 1672 } 1673 1674 free(dtp->dt_cpp_argv); 1675 free(dtp->dt_cpp_path); 1676 free(dtp->dt_ld_path); 1677 1678 free(dtp->dt_mods); 1679 free(dtp->dt_provs); 1680 free(dtp); 1681 } 1682 1683 int 1684 dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1685 { 1686 dt_provmod_t *prov; 1687 int i = 0; 1688 1689 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1690 if (i < nmods) 1691 mods[i] = prov->dp_name; 1692 } 1693 1694 return (i); 1695 } 1696 1697 int 1698 dtrace_ctlfd(dtrace_hdl_t *dtp) 1699 { 1700 return (dtp->dt_fd); 1701 } 1702