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) 2018, Joyent, Inc. 25 * Copyright (c) 2012, 2016 by Delphix. All rights reserved. 26 */ 27 28 #include <sys/types.h> 29 #include <sys/modctl.h> 30 #include <sys/systeminfo.h> 31 #include <sys/resource.h> 32 33 #include <libelf.h> 34 #include <strings.h> 35 #include <alloca.h> 36 #include <limits.h> 37 #include <unistd.h> 38 #include <stdlib.h> 39 #include <stdio.h> 40 #include <fcntl.h> 41 #include <errno.h> 42 #include <assert.h> 43 44 #define _POSIX_PTHREAD_SEMANTICS 45 #include <dirent.h> 46 #undef _POSIX_PTHREAD_SEMANTICS 47 48 #include <dt_impl.h> 49 #include <dt_program.h> 50 #include <dt_module.h> 51 #include <dt_printf.h> 52 #include <dt_string.h> 53 #include <dt_provider.h> 54 55 /* 56 * Stability and versioning definitions. These #defines are used in the tables 57 * of identifiers below to fill in the attribute and version fields associated 58 * with each identifier. The DT_ATTR_* macros are a convenience to permit more 59 * concise declarations of common attributes such as Stable/Stable/Common. The 60 * DT_VERS_* macros declare the encoded integer values of all versions used so 61 * far. DT_VERS_LATEST must correspond to the latest version value among all 62 * versions exported by the D compiler. DT_VERS_STRING must be an ASCII string 63 * that contains DT_VERS_LATEST within it along with any suffixes (e.g. Beta). 64 * You must update DT_VERS_LATEST and DT_VERS_STRING when adding a new version, 65 * and then add the new version to the _dtrace_versions[] array declared below. 66 * Refer to the Solaris Dynamic Tracing Guide Stability and Versioning chapters 67 * respectively for an explanation of these DTrace features and their values. 68 * 69 * NOTE: Although the DTrace versioning scheme supports the labeling and 70 * introduction of incompatible changes (e.g. dropping an interface in a 71 * major release), the libdtrace code does not currently support this. 72 * All versions are assumed to strictly inherit from one another. If 73 * we ever need to provide divergent interfaces, this will need work. 74 */ 75 #define DT_ATTR_STABCMN { DTRACE_STABILITY_STABLE, \ 76 DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON } 77 78 #define DT_ATTR_EVOLCMN { DTRACE_STABILITY_EVOLVING, \ 79 DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON \ 80 } 81 82 /* 83 * The version number should be increased for every customer visible release 84 * of DTrace. The major number should be incremented when a fundamental 85 * change has been made that would affect all consumers, and would reflect 86 * sweeping changes to DTrace or the D language. The minor number should be 87 * incremented when a change is introduced that could break scripts that had 88 * previously worked; for example, adding a new built-in variable could break 89 * a script which was already using that identifier. The micro number should 90 * be changed when introducing functionality changes or major bug fixes that 91 * do not affect backward compatibility -- this is merely to make capabilities 92 * easily determined from the version number. Minor bugs do not require any 93 * modification to the version number. 94 */ 95 #define DT_VERS_1_0 DT_VERSION_NUMBER(1, 0, 0) 96 #define DT_VERS_1_1 DT_VERSION_NUMBER(1, 1, 0) 97 #define DT_VERS_1_2 DT_VERSION_NUMBER(1, 2, 0) 98 #define DT_VERS_1_2_1 DT_VERSION_NUMBER(1, 2, 1) 99 #define DT_VERS_1_2_2 DT_VERSION_NUMBER(1, 2, 2) 100 #define DT_VERS_1_3 DT_VERSION_NUMBER(1, 3, 0) 101 #define DT_VERS_1_4 DT_VERSION_NUMBER(1, 4, 0) 102 #define DT_VERS_1_4_1 DT_VERSION_NUMBER(1, 4, 1) 103 #define DT_VERS_1_5 DT_VERSION_NUMBER(1, 5, 0) 104 #define DT_VERS_1_6 DT_VERSION_NUMBER(1, 6, 0) 105 #define DT_VERS_1_6_1 DT_VERSION_NUMBER(1, 6, 1) 106 #define DT_VERS_1_6_2 DT_VERSION_NUMBER(1, 6, 2) 107 #define DT_VERS_1_6_3 DT_VERSION_NUMBER(1, 6, 3) 108 #define DT_VERS_1_7 DT_VERSION_NUMBER(1, 7, 0) 109 #define DT_VERS_1_7_1 DT_VERSION_NUMBER(1, 7, 1) 110 #define DT_VERS_1_8 DT_VERSION_NUMBER(1, 8, 0) 111 #define DT_VERS_1_8_1 DT_VERSION_NUMBER(1, 8, 1) 112 #define DT_VERS_1_9 DT_VERSION_NUMBER(1, 9, 0) 113 #define DT_VERS_1_9_1 DT_VERSION_NUMBER(1, 9, 1) 114 #define DT_VERS_1_10 DT_VERSION_NUMBER(1, 10, 0) 115 #define DT_VERS_1_11 DT_VERSION_NUMBER(1, 11, 0) 116 #define DT_VERS_1_12 DT_VERSION_NUMBER(1, 12, 0) 117 #define DT_VERS_1_12_1 DT_VERSION_NUMBER(1, 12, 1) 118 #define DT_VERS_1_13 DT_VERSION_NUMBER(1, 13, 0) 119 #define DT_VERS_1_14 DT_VERSION_NUMBER(1, 14, 0) 120 #define DT_VERS_LATEST DT_VERS_1_14 121 #define DT_VERS_STRING "Sun D 1.14" 122 123 const dt_version_t _dtrace_versions[] = { 124 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 125 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 126 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 127 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 128 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 129 DT_VERS_1_3, /* D API 1.3 Solaris Express 10/06 */ 130 DT_VERS_1_4, /* D API 1.4 Solaris Express 2/07 */ 131 DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */ 132 DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */ 133 DT_VERS_1_6, /* D API 1.6 */ 134 DT_VERS_1_6_1, /* D API 1.6.1 */ 135 DT_VERS_1_6_2, /* D API 1.6.2 */ 136 DT_VERS_1_6_3, /* D API 1.6.3 */ 137 DT_VERS_1_7, /* D API 1.7 */ 138 DT_VERS_1_7_1, /* D API 1.7.1 */ 139 DT_VERS_1_8, /* D API 1.8 */ 140 DT_VERS_1_8_1, /* D API 1.8.1 */ 141 DT_VERS_1_9, /* D API 1.9 */ 142 DT_VERS_1_9_1, /* D API 1.9.1 */ 143 DT_VERS_1_10, /* D API 1.10 */ 144 DT_VERS_1_11, /* D API 1.11 */ 145 DT_VERS_1_12, /* D API 1.12 */ 146 DT_VERS_1_12_1, /* D API 1.12.1 */ 147 DT_VERS_1_13, /* D API 1.13 */ 148 DT_VERS_1_14, /* D API 1.14 */ 149 0 150 }; 151 152 /* 153 * Table of global identifiers. This is used to populate the global identifier 154 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 155 * The global identifiers that represent functions use the dt_idops_func ops 156 * and specify the private data pointer as a prototype string which is parsed 157 * when the identifier is first encountered. These prototypes look like ANSI 158 * C function prototypes except that the special symbol "@" can be used as a 159 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 160 * The standard "..." notation can also be used to represent varargs. An empty 161 * parameter list is taken to mean void (that is, no arguments are permitted). 162 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 163 * argument. 164 */ 165 static const dt_ident_t _dtrace_globals[] = { 166 { "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 167 &dt_idops_func, "void *(size_t)" }, 168 { "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 169 &dt_idops_type, "int64_t" }, 170 { "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 171 &dt_idops_type, "int64_t" }, 172 { "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 173 &dt_idops_type, "int64_t" }, 174 { "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 175 &dt_idops_type, "int64_t" }, 176 { "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 177 &dt_idops_type, "int64_t" }, 178 { "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 179 &dt_idops_type, "int64_t" }, 180 { "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 181 &dt_idops_type, "int64_t" }, 182 { "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 183 &dt_idops_type, "int64_t" }, 184 { "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 185 &dt_idops_type, "int64_t" }, 186 { "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 187 &dt_idops_type, "int64_t" }, 188 { "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 189 &dt_idops_args, NULL }, 190 { "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 191 &dt_idops_func, "void(@)" }, 192 { "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 193 &dt_idops_func, "string(const char *)" }, 194 { "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 195 &dt_idops_func, "void(void *, void *, size_t)" }, 196 { "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 197 DT_ATTR_STABCMN, DT_VERS_1_0, 198 &dt_idops_func, "void()" }, 199 { "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 200 &dt_idops_type, "uintptr_t" }, 201 { "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 202 &dt_idops_func, "void(int)" }, 203 { "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 204 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 205 { "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 206 &dt_idops_func, "void(...)" }, 207 { "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 208 &dt_idops_func, "void(int)" }, 209 { "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 210 &dt_idops_func, "void *(uintptr_t, size_t)" }, 211 { "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 212 DT_ATTR_STABCMN, DT_VERS_1_0, 213 &dt_idops_func, "string(uintptr_t, [size_t])" }, 214 { "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 215 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 216 { "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 217 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 218 { "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 219 DT_ATTR_STABCMN, DT_VERS_1_0, 220 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 221 { "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 222 &dt_idops_func, "void()" }, 223 { "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 224 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 225 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 226 &dt_idops_type, "genunix`kthread_t *" }, 227 { "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 228 DT_ATTR_EVOLCMN, DT_VERS_1_0, 229 &dt_idops_func, "string(void *, int64_t)" }, 230 { "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 231 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 232 { "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 233 &dt_idops_func, "string(const char *)" }, 234 { "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 235 &dt_idops_func, "void(int)" }, 236 { "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 237 &dt_idops_type, "uint_t" }, 238 { "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 239 &dt_idops_type, "int" }, 240 { "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 241 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 242 { "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 243 &dt_idops_func, "void(int)" }, 244 { "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 245 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 246 { "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 247 DT_VERS_1_0, &dt_idops_func, "void()" }, 248 { "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 249 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 250 { "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 251 DT_ATTR_EVOLCMN, DT_VERS_1_0, 252 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 253 { "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 254 DT_ATTR_EVOLCMN, DT_VERS_1_0, 255 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 256 { "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 257 &dt_idops_func, "uint32_t(uint32_t)" }, 258 { "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 259 &dt_idops_func, "uint64_t(uint64_t)" }, 260 { "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 261 &dt_idops_func, "uint16_t(uint16_t)" }, 262 { "getf", DT_IDENT_FUNC, 0, DIF_SUBR_GETF, DT_ATTR_STABCMN, DT_VERS_1_10, 263 &dt_idops_func, "file_t *(int)" }, 264 { "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 265 &dt_idops_type, "gid_t" }, 266 { "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 267 &dt_idops_type, "uint_t" }, 268 { "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 269 &dt_idops_func, "int(const char *, const char *, [int])" }, 270 { "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 271 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 272 { "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 273 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 274 { "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 275 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 276 { "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 277 &dt_idops_type, "uint_t" }, 278 { "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, 279 &dt_idops_func, "string(const char *, const char *)" }, 280 { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 281 &dt_idops_func, "stack(...)" }, 282 { "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 283 &dt_idops_func, "string(int64_t, [int])" }, 284 { "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 285 DT_VERS_1_7, &dt_idops_func, 286 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 287 { "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 288 DT_ATTR_STABCMN, DT_VERS_1_0, 289 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 290 { "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 291 &dt_idops_func, "void(@)" }, 292 { "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 293 &dt_idops_func, "void(@)" }, 294 { "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 295 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 296 { "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 297 DT_ATTR_STABCMN, DT_VERS_1_0, 298 &dt_idops_func, "size_t(mblk_t *)" }, 299 { "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 300 DT_ATTR_STABCMN, DT_VERS_1_0, 301 &dt_idops_func, "size_t(mblk_t *)" }, 302 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 303 DT_ATTR_EVOLCMN, DT_VERS_1_0, 304 &dt_idops_func, "int(genunix`kmutex_t *)" }, 305 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 306 DT_ATTR_EVOLCMN, DT_VERS_1_0, 307 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 308 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 309 DT_ATTR_EVOLCMN, DT_VERS_1_0, 310 &dt_idops_func, "int(genunix`kmutex_t *)" }, 311 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 312 DT_ATTR_EVOLCMN, DT_VERS_1_0, 313 &dt_idops_func, "int(genunix`kmutex_t *)" }, 314 { "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 315 &dt_idops_func, "uint32_t(uint32_t)" }, 316 { "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 317 &dt_idops_func, "uint64_t(uint64_t)" }, 318 { "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 319 &dt_idops_func, "uint16_t(uint16_t)" }, 320 { "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 321 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 322 { "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 323 &dt_idops_func, "void()" }, 324 { "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 325 &dt_idops_type, "pid_t" }, 326 { "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 327 &dt_idops_type, "pid_t" }, 328 { "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 329 &dt_idops_func, "void(@)" }, 330 { "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 331 &dt_idops_func, "void(@, ...)" }, 332 { "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 333 &dt_idops_func, "void(@, ...)" }, 334 { "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 335 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 336 { "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 337 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 338 { "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 339 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 340 { "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 341 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 342 { "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 343 DT_ATTR_STABCMN, DT_VERS_1_0, 344 &dt_idops_func, "int(pid_t)" }, 345 { "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 346 DT_ATTR_STABCMN, DT_VERS_1_0, 347 &dt_idops_func, "void(@, ...)" }, 348 { "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 349 &dt_idops_func, "void(int)" }, 350 { "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 351 &dt_idops_func, "int()" }, 352 { "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 353 &dt_idops_func, "int(const char *, const char *, [int])" }, 354 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 355 DT_ATTR_EVOLCMN, DT_VERS_1_0, 356 &dt_idops_func, "int(genunix`krwlock_t *)" }, 357 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 358 DT_ATTR_EVOLCMN, DT_VERS_1_0, 359 &dt_idops_func, "int(genunix`krwlock_t *)" }, 360 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 361 DT_ATTR_EVOLCMN, DT_VERS_1_0, 362 &dt_idops_func, "int(genunix`krwlock_t *)" }, 363 { "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 364 &dt_idops_type, "void" }, 365 { "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 366 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 367 { "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 368 DT_ATTR_STABCMN, DT_VERS_1_0, 369 &dt_idops_func, "void(int)" }, 370 { "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 371 DT_ATTR_STABCMN, DT_VERS_1_0, 372 &dt_idops_func, "int()" }, 373 { "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 374 &dt_idops_func, "stack(...)" }, 375 { "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 376 DT_ATTR_STABCMN, DT_VERS_1_0, 377 &dt_idops_type, "uint32_t" }, 378 { "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 379 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 380 { "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 381 &dt_idops_func, "void()" }, 382 { "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 383 &dt_idops_func, "string(const char *, char)" }, 384 { "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 385 &dt_idops_func, "size_t(const char *)" }, 386 { "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 387 &dt_idops_func, "string(const char *, const char *)" }, 388 { "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 389 &dt_idops_func, "string(const char *, char)" }, 390 { "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 391 &dt_idops_func, "string(const char *, const char *)" }, 392 { "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 393 &dt_idops_func, "string(const char *, const char *)" }, 394 { "strtoll", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOLL, DT_ATTR_STABCMN, DT_VERS_1_11, 395 &dt_idops_func, "int64_t(const char *, [int])" }, 396 { "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 397 &dt_idops_func, "string(const char *, int, [int])" }, 398 { "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 399 &dt_idops_func, "void(@)" }, 400 { "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 401 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 402 { "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 403 &dt_idops_func, "void(@, ...)" }, 404 { "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 405 &dt_idops_type, "void" }, 406 { "threadname", DT_IDENT_SCALAR, 0, DIF_VAR_THREADNAME, 407 DT_ATTR_STABCMN, DT_VERS_1_14, &dt_idops_type, "string" }, 408 { "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 409 &dt_idops_type, "id_t" }, 410 { "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 411 DT_ATTR_STABCMN, DT_VERS_1_0, 412 &dt_idops_type, "uint64_t" }, 413 { "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 414 &dt_idops_func, "string(const char *)" }, 415 { "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 416 &dt_idops_func, "string(const char *)" }, 417 { "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 418 &dt_idops_func, "void(@)" }, 419 { "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 420 DT_ATTR_STABCMN, DT_VERS_1_0, 421 &dt_idops_func, "void(@, size_t, ...)" }, 422 { "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 423 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 424 { "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 425 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 426 { "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 427 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 428 { "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 429 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 430 { "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 431 &dt_idops_type, "uid_t" }, 432 { "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 433 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 434 { "uregs", DT_IDENT_ARRAY, DT_IDFLG_WRITE, DIF_VAR_UREGS, DT_ATTR_STABCMN, 435 DT_VERS_1_0, &dt_idops_regs, NULL }, 436 { "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 437 &dt_idops_func, "stack(...)" }, 438 { "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 439 DT_ATTR_STABCMN, DT_VERS_1_2, 440 &dt_idops_type, "uint32_t" }, 441 { "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 442 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 443 { "vmregs", DT_IDENT_ARRAY, 0, DIF_VAR_VMREGS, DT_ATTR_STABCMN, DT_VERS_1_7, 444 &dt_idops_regs, NULL }, 445 { "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 446 DT_ATTR_STABCMN, DT_VERS_1_0, 447 &dt_idops_type, "uint64_t" }, 448 { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 449 DT_ATTR_STABCMN, DT_VERS_1_0, 450 &dt_idops_type, "int64_t" }, 451 { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 452 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 453 { NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 454 }; 455 456 /* 457 * Tables of ILP32 intrinsic integer and floating-point type templates to use 458 * to populate the dynamic "C" CTF type container. 459 */ 460 static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 461 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 462 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 463 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 464 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 465 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 466 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 467 { "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 468 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 469 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 470 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 471 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 472 { "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 473 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 474 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 475 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 476 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 477 { "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 478 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 479 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 480 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 481 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 482 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 483 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 484 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 485 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 486 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 487 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 488 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 489 { NULL, { 0, 0, 0 }, 0 } 490 }; 491 492 /* 493 * Tables of LP64 intrinsic integer and floating-point type templates to use 494 * to populate the dynamic "C" CTF type container. 495 */ 496 static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 497 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 498 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 499 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 500 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 501 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 502 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 503 { "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 504 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 505 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 506 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 507 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 508 { "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 509 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 510 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 511 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 512 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 513 { "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 514 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 515 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 516 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 517 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 518 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 519 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 520 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 521 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 522 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 523 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 524 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 525 { NULL, { 0, 0, 0 }, 0 } 526 }; 527 528 /* 529 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 530 * These aliases ensure that D definitions can use typical <sys/types.h> names. 531 */ 532 static const dt_typedef_t _dtrace_typedefs_32[] = { 533 { "char", "int8_t" }, 534 { "short", "int16_t" }, 535 { "int", "int32_t" }, 536 { "long long", "int64_t" }, 537 { "int", "intptr_t" }, 538 { "int", "ssize_t" }, 539 { "unsigned char", "uint8_t" }, 540 { "unsigned short", "uint16_t" }, 541 { "unsigned", "uint32_t" }, 542 { "unsigned long long", "uint64_t" }, 543 { "unsigned char", "uchar_t" }, 544 { "unsigned short", "ushort_t" }, 545 { "unsigned", "uint_t" }, 546 { "unsigned long", "ulong_t" }, 547 { "unsigned long long", "u_longlong_t" }, 548 { "int", "ptrdiff_t" }, 549 { "unsigned", "uintptr_t" }, 550 { "unsigned", "size_t" }, 551 { "long", "id_t" }, 552 { "long", "pid_t" }, 553 { NULL, NULL } 554 }; 555 556 /* 557 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 558 * These aliases ensure that D definitions can use typical <sys/types.h> names. 559 */ 560 static const dt_typedef_t _dtrace_typedefs_64[] = { 561 { "char", "int8_t" }, 562 { "short", "int16_t" }, 563 { "int", "int32_t" }, 564 { "long", "int64_t" }, 565 { "long", "intptr_t" }, 566 { "long", "ssize_t" }, 567 { "unsigned char", "uint8_t" }, 568 { "unsigned short", "uint16_t" }, 569 { "unsigned", "uint32_t" }, 570 { "unsigned long", "uint64_t" }, 571 { "unsigned char", "uchar_t" }, 572 { "unsigned short", "ushort_t" }, 573 { "unsigned", "uint_t" }, 574 { "unsigned long", "ulong_t" }, 575 { "unsigned long long", "u_longlong_t" }, 576 { "long", "ptrdiff_t" }, 577 { "unsigned long", "uintptr_t" }, 578 { "unsigned long", "size_t" }, 579 { "int", "id_t" }, 580 { "int", "pid_t" }, 581 { NULL, NULL } 582 }; 583 584 /* 585 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 586 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 587 */ 588 static const dt_intdesc_t _dtrace_ints_32[] = { 589 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 590 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 591 { "long", NULL, CTF_ERR, 0x7fffffffULL }, 592 { "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 593 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 594 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 595 }; 596 597 /* 598 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 599 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 600 */ 601 static const dt_intdesc_t _dtrace_ints_64[] = { 602 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 603 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 604 { "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 605 { "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 606 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 607 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 608 }; 609 610 /* 611 * Table of macro variable templates used to populate the macro identifier hash 612 * when a new dtrace client open occurs. Values are set by dtrace_update(). 613 */ 614 static const dt_ident_t _dtrace_macros[] = { 615 { "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 616 { "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 617 { "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 618 { "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 619 { "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 620 { "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 621 { "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 622 { "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 623 { "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 624 { "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 625 { "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 626 { NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 627 }; 628 629 /* 630 * Hard-wired definition string to be compiled and cached every time a new 631 * DTrace library handle is initialized. This string should only be used to 632 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 633 */ 634 static const char _dtrace_hardwire[] = "\ 635 inline long NULL = 0; \n\ 636 #pragma D binding \"1.0\" NULL\n\ 637 "; 638 639 /* 640 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 641 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 642 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 643 * relying on the fact that when running dtrace(8), isaexec will invoke the 644 * binary with the same bitness as the kernel, which is what we want by default 645 * when generating our DIF. The user can override the choice using oflags. 646 */ 647 static const dtrace_conf_t _dtrace_conf = { 648 DIF_VERSION, /* dtc_difversion */ 649 DIF_DIR_NREGS, /* dtc_difintregs */ 650 DIF_DTR_NREGS, /* dtc_diftupregs */ 651 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 652 }; 653 654 const dtrace_attribute_t _dtrace_maxattr = { 655 DTRACE_STABILITY_MAX, 656 DTRACE_STABILITY_MAX, 657 DTRACE_CLASS_MAX 658 }; 659 660 const dtrace_attribute_t _dtrace_defattr = { 661 DTRACE_STABILITY_STABLE, 662 DTRACE_STABILITY_STABLE, 663 DTRACE_CLASS_COMMON 664 }; 665 666 const dtrace_attribute_t _dtrace_symattr = { 667 DTRACE_STABILITY_PRIVATE, 668 DTRACE_STABILITY_PRIVATE, 669 DTRACE_CLASS_UNKNOWN 670 }; 671 672 const dtrace_attribute_t _dtrace_typattr = { 673 DTRACE_STABILITY_PRIVATE, 674 DTRACE_STABILITY_PRIVATE, 675 DTRACE_CLASS_UNKNOWN 676 }; 677 678 const dtrace_attribute_t _dtrace_prvattr = { 679 DTRACE_STABILITY_PRIVATE, 680 DTRACE_STABILITY_PRIVATE, 681 DTRACE_CLASS_UNKNOWN 682 }; 683 684 const dtrace_pattr_t _dtrace_prvdesc = { 685 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 686 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 687 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 688 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 689 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 690 }; 691 692 const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 693 const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 694 695 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 696 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 697 698 int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 699 int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 700 uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 701 uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 702 uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 703 uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 704 size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 705 int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 706 707 int _dtrace_debug = 0; /* debug messages enabled (off) */ 708 const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 709 int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 710 711 typedef struct dt_fdlist { 712 int *df_fds; /* array of provider driver file descriptors */ 713 uint_t df_ents; /* number of valid elements in df_fds[] */ 714 uint_t df_size; /* size of df_fds[] */ 715 } dt_fdlist_t; 716 717 #pragma init(_dtrace_init) 718 void 719 _dtrace_init(void) 720 { 721 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 722 723 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 724 if (rd_init(_dtrace_rdvers) == RD_OK) 725 break; 726 } 727 } 728 729 static dtrace_hdl_t * 730 set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 731 { 732 if (dtp != NULL) 733 dtrace_close(dtp); 734 if (errp != NULL) 735 *errp = err; 736 return (NULL); 737 } 738 739 static void 740 dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 741 { 742 dt_provmod_t *prov; 743 char path[PATH_MAX]; 744 struct dirent *dp, *ep; 745 DIR *dirp; 746 int fd; 747 748 if ((dirp = opendir(_dtrace_provdir)) == NULL) 749 return; /* failed to open directory; just skip it */ 750 751 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 752 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 753 754 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 755 if (dp->d_name[0] == '.') 756 continue; /* skip "." and ".." */ 757 758 if (dfp->df_ents == dfp->df_size) { 759 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 760 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 761 762 if (fds == NULL) 763 break; /* skip the rest of this directory */ 764 765 dfp->df_fds = fds; 766 dfp->df_size = size; 767 } 768 769 (void) snprintf(path, sizeof (path), "%s/%s", 770 _dtrace_provdir, dp->d_name); 771 772 if ((fd = open(path, O_RDONLY)) == -1) 773 continue; /* failed to open driver; just skip it */ 774 775 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 776 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 777 free(prov); 778 (void) close(fd); 779 break; 780 } 781 782 (void) strcpy(prov->dp_name, dp->d_name); 783 prov->dp_next = *provmod; 784 *provmod = prov; 785 786 dt_dprintf("opened provider %s\n", dp->d_name); 787 dfp->df_fds[dfp->df_ents++] = fd; 788 } 789 790 (void) closedir(dirp); 791 } 792 793 static void 794 dt_provmod_destroy(dt_provmod_t **provmod) 795 { 796 dt_provmod_t *next, *current; 797 798 for (current = *provmod; current != NULL; current = next) { 799 next = current->dp_next; 800 free(current->dp_name); 801 free(current); 802 } 803 804 *provmod = NULL; 805 } 806 807 static const char * 808 dt_get_sysinfo(int cmd, char *buf, size_t len) 809 { 810 ssize_t rv = sysinfo(cmd, buf, len); 811 char *p = buf; 812 813 if (rv < 0 || rv > len) 814 (void) snprintf(buf, len, "%s", "Unknown"); 815 816 while ((p = strchr(p, '.')) != NULL) 817 *p++ = '_'; 818 819 return (buf); 820 } 821 822 static dtrace_hdl_t * 823 dt_vopen(int version, int flags, int *errp, 824 const dtrace_vector_t *vector, void *arg) 825 { 826 dtrace_hdl_t *dtp = NULL; 827 int dtfd = -1, ftfd = -1, fterr = 0; 828 dtrace_prog_t *pgp; 829 dt_module_t *dmp; 830 dt_provmod_t *provmod = NULL; 831 int i, err; 832 struct rlimit rl; 833 834 const dt_intrinsic_t *dinp; 835 const dt_typedef_t *dtyp; 836 const dt_ident_t *idp; 837 838 dtrace_typeinfo_t dtt; 839 ctf_funcinfo_t ctc; 840 ctf_arinfo_t ctr; 841 842 dt_fdlist_t df = { NULL, 0, 0 }; 843 844 char isadef[32], utsdef[32]; 845 char s1[64], s2[64]; 846 847 if (version <= 0) 848 return (set_open_errno(dtp, errp, EINVAL)); 849 850 if (version > DTRACE_VERSION) 851 return (set_open_errno(dtp, errp, EDT_VERSION)); 852 853 if (version < DTRACE_VERSION) { 854 /* 855 * Currently, increasing the library version number is used to 856 * denote a binary incompatible change. That is, a consumer 857 * of the library cannot run on a version of the library with 858 * a higher DTRACE_VERSION number than the consumer compiled 859 * against. Once the library API has been committed to, 860 * backwards binary compatibility will be required; at that 861 * time, this check should change to return EDT_OVERSION only 862 * if the specified version number is less than the version 863 * number at the time of interface commitment. 864 */ 865 return (set_open_errno(dtp, errp, EDT_OVERSION)); 866 } 867 868 if (flags & ~DTRACE_O_MASK) 869 return (set_open_errno(dtp, errp, EINVAL)); 870 871 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 872 return (set_open_errno(dtp, errp, EINVAL)); 873 874 if (vector == NULL && arg != NULL) 875 return (set_open_errno(dtp, errp, EINVAL)); 876 877 if (elf_version(EV_CURRENT) == EV_NONE) 878 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 879 880 if (vector != NULL || (flags & DTRACE_O_NODEV)) 881 goto alloc; /* do not attempt to open dtrace device */ 882 883 /* 884 * Before we get going, crank our limit on file descriptors up to the 885 * hard limit. This is to allow for the fact that libproc keeps file 886 * descriptors to objects open for the lifetime of the proc handle; 887 * without raising our hard limit, we would have an acceptably small 888 * bound on the number of processes that we could concurrently 889 * instrument with the pid provider. 890 */ 891 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 892 rl.rlim_cur = rl.rlim_max; 893 (void) setrlimit(RLIMIT_NOFILE, &rl); 894 } 895 896 /* 897 * Get the device path of each of the providers. We hold them open 898 * in the df.df_fds list until we open the DTrace driver itself, 899 * allowing us to see all of the probes provided on this system. Once 900 * we have the DTrace driver open, we can safely close all the providers 901 * now that they have registered with the framework. 902 */ 903 dt_provmod_open(&provmod, &df); 904 905 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 906 err = errno; /* save errno from opening dtfd */ 907 908 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 909 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 910 911 while (df.df_ents-- != 0) 912 (void) close(df.df_fds[df.df_ents]); 913 914 free(df.df_fds); 915 916 /* 917 * If we failed to open the dtrace device, fail dtrace_open(). 918 * We convert some kernel errnos to custom libdtrace errnos to 919 * improve the resulting message from the usual strerror(). 920 */ 921 if (dtfd == -1) { 922 dt_provmod_destroy(&provmod); 923 switch (err) { 924 case ENOENT: 925 err = EDT_NOENT; 926 break; 927 case EBUSY: 928 err = EDT_BUSY; 929 break; 930 case EACCES: 931 err = EDT_ACCESS; 932 break; 933 } 934 return (set_open_errno(dtp, errp, err)); 935 } 936 937 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 938 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 939 940 alloc: 941 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 942 return (set_open_errno(dtp, errp, EDT_NOMEM)); 943 944 bzero(dtp, sizeof (dtrace_hdl_t)); 945 dtp->dt_oflags = flags; 946 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 947 dtp->dt_linkmode = DT_LINK_KERNEL; 948 dtp->dt_linktype = DT_LTYP_ELF; 949 dtp->dt_xlatemode = DT_XL_STATIC; 950 dtp->dt_stdcmode = DT_STDC_XA; 951 dtp->dt_encoding = DT_ENCODING_UNSET; 952 dtp->dt_version = version; 953 dtp->dt_fd = dtfd; 954 dtp->dt_ftfd = ftfd; 955 dtp->dt_fterr = fterr; 956 dtp->dt_cdefs_fd = -1; 957 dtp->dt_ddefs_fd = -1; 958 dtp->dt_stdout_fd = -1; 959 dtp->dt_modbuckets = _dtrace_strbuckets; 960 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 961 dtp->dt_provbuckets = _dtrace_strbuckets; 962 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 963 dt_proc_init(dtp); 964 dtp->dt_vmax = DT_VERS_LATEST; 965 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 966 dtp->dt_cpp_argv = malloc(sizeof (char *)); 967 dtp->dt_cpp_argc = 1; 968 dtp->dt_cpp_args = 1; 969 dtp->dt_ld_path = strdup(_dtrace_defld); 970 dtp->dt_provmod = provmod; 971 dtp->dt_vector = vector; 972 dtp->dt_varg = arg; 973 dt_dof_init(dtp); 974 (void) uname(&dtp->dt_uts); 975 976 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 977 dtp->dt_procs == NULL || dtp->dt_proc_env == NULL || 978 dtp->dt_ld_path == NULL || dtp->dt_cpp_path == NULL || 979 dtp->dt_cpp_argv == NULL) 980 return (set_open_errno(dtp, errp, EDT_NOMEM)); 981 982 for (i = 0; i < DTRACEOPT_MAX; i++) 983 dtp->dt_options[i] = DTRACEOPT_UNSET; 984 985 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 986 987 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 988 (uint_t)(sizeof (void *) * NBBY)); 989 990 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 991 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 992 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 993 994 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 995 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 996 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 997 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 998 dt_cpp_add_arg(dtp, isadef) == NULL || 999 dt_cpp_add_arg(dtp, utsdef) == NULL) 1000 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1001 1002 if (flags & DTRACE_O_NODEV) 1003 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1004 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1005 return (set_open_errno(dtp, errp, errno)); 1006 1007 if (flags & DTRACE_O_LP64) 1008 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1009 else if (flags & DTRACE_O_ILP32) 1010 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1011 1012 #ifdef __sparc 1013 /* 1014 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1015 * and __sparcv9 is defined if we are doing a 64-bit compile. 1016 */ 1017 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1018 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1019 1020 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1021 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1022 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1023 #endif 1024 1025 #ifdef __x86 1026 /* 1027 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1028 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1029 * they are defined exclusive of one another (see PSARC 2004/619). 1030 */ 1031 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1032 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1033 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1034 } else { 1035 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1036 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1037 } 1038 #endif 1039 1040 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1041 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1042 1043 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1044 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1045 else 1046 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1047 1048 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1049 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1050 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1051 1052 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1053 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1054 1055 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1056 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1057 1058 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1059 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1060 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1061 1062 /* 1063 * Populate the dt_macros identifier hash table by hand: we can't use 1064 * the dt_idhash_populate() mechanism because we're not yet compiling 1065 * and dtrace_update() needs to immediately reference these idents. 1066 */ 1067 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1068 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1069 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1070 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1071 idp->di_iarg, 0) == NULL) 1072 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1073 } 1074 1075 /* 1076 * Update the module list using /system/object and load the values for 1077 * the macro variable definitions according to the current process. 1078 */ 1079 dtrace_update(dtp); 1080 1081 /* 1082 * Select the intrinsics and typedefs we want based on the data model. 1083 * The intrinsics are under "C". The typedefs are added under "D". 1084 */ 1085 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1086 dinp = _dtrace_intrinsics_32; 1087 dtyp = _dtrace_typedefs_32; 1088 } else { 1089 dinp = _dtrace_intrinsics_64; 1090 dtyp = _dtrace_typedefs_64; 1091 } 1092 1093 /* 1094 * Create a dynamic CTF container under the "C" scope for intrinsic 1095 * types and types defined in ANSI-C header files that are included. 1096 */ 1097 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1098 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1099 1100 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1101 return (set_open_errno(dtp, errp, EDT_CTF)); 1102 1103 dt_dprintf("created CTF container for %s (%p)\n", 1104 dmp->dm_name, (void *)dmp->dm_ctfp); 1105 1106 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1107 ctf_setspecific(dmp->dm_ctfp, dmp); 1108 1109 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1110 dmp->dm_modid = -1; /* no module ID */ 1111 1112 /* 1113 * Fill the dynamic "C" CTF container with all of the intrinsic 1114 * integer and floating-point types appropriate for this data model. 1115 */ 1116 for (; dinp->din_name != NULL; dinp++) { 1117 if (dinp->din_kind == CTF_K_INTEGER) { 1118 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1119 dinp->din_name, &dinp->din_data); 1120 } else { 1121 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1122 dinp->din_name, &dinp->din_data); 1123 } 1124 1125 if (err == CTF_ERR) { 1126 dt_dprintf("failed to add %s to C container: %s\n", 1127 dinp->din_name, ctf_errmsg( 1128 ctf_errno(dmp->dm_ctfp))); 1129 return (set_open_errno(dtp, errp, EDT_CTF)); 1130 } 1131 } 1132 1133 if (ctf_update(dmp->dm_ctfp) != 0) { 1134 dt_dprintf("failed to update C container: %s\n", 1135 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1136 return (set_open_errno(dtp, errp, EDT_CTF)); 1137 } 1138 1139 /* 1140 * Add intrinsic pointer types that are needed to initialize printf 1141 * format dictionary types (see table in dt_printf.c). 1142 */ 1143 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, NULL, 1144 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1145 1146 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, NULL, 1147 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1148 1149 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, NULL, 1150 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1151 1152 if (ctf_update(dmp->dm_ctfp) != 0) { 1153 dt_dprintf("failed to update C container: %s\n", 1154 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1155 return (set_open_errno(dtp, errp, EDT_CTF)); 1156 } 1157 1158 /* 1159 * Create a dynamic CTF container under the "D" scope for types that 1160 * are defined by the D program itself or on-the-fly by the D compiler. 1161 * The "D" CTF container is a child of the "C" CTF container. 1162 */ 1163 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1164 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1165 1166 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1167 return (set_open_errno(dtp, errp, EDT_CTF)); 1168 1169 dt_dprintf("created CTF container for %s (%p)\n", 1170 dmp->dm_name, (void *)dmp->dm_ctfp); 1171 1172 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1173 ctf_setspecific(dmp->dm_ctfp, dmp); 1174 1175 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1176 dmp->dm_modid = -1; /* no module ID */ 1177 1178 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1179 dt_dprintf("failed to import D parent container: %s\n", 1180 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1181 return (set_open_errno(dtp, errp, EDT_CTF)); 1182 } 1183 1184 /* 1185 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1186 * that we need to use for our D variable and function definitions. 1187 * This ensures that basic inttypes.h names are always available to us. 1188 */ 1189 for (; dtyp->dty_src != NULL; dtyp++) { 1190 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1191 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1192 dtyp->dty_src)) == CTF_ERR) { 1193 dt_dprintf("failed to add typedef %s %s to D " 1194 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1195 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1196 return (set_open_errno(dtp, errp, EDT_CTF)); 1197 } 1198 } 1199 1200 /* 1201 * Insert a CTF ID corresponding to a pointer to a type of kind 1202 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1203 * CTF treats all function pointers as "int (*)()" so we only need one. 1204 */ 1205 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1206 ctc.ctc_argc = 0; 1207 ctc.ctc_flags = 0; 1208 1209 dtp->dt_type_func = ctf_add_funcptr(dmp->dm_ctfp, 1210 CTF_ADD_ROOT, &ctc, NULL); 1211 1212 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, NULL, 1213 dtp->dt_type_func); 1214 1215 /* 1216 * We also insert CTF definitions for the special D intrinsic types 1217 * string and <DYN> into the D container. The string type is added 1218 * as a typedef of char[n]. The <DYN> type is an alias for void. 1219 * We compare types to these special CTF ids throughout the compiler. 1220 */ 1221 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1222 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1223 ctr.ctr_nelems = _dtrace_strsize; 1224 1225 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1226 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1227 1228 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1229 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1230 1231 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1232 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1233 1234 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1235 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1236 1237 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1238 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1239 1240 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1241 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1242 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1243 dtp->dt_type_usymaddr == CTF_ERR) { 1244 dt_dprintf("failed to add intrinsic to D container: %s\n", 1245 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1246 return (set_open_errno(dtp, errp, EDT_CTF)); 1247 } 1248 1249 if (ctf_update(dmp->dm_ctfp) != 0) { 1250 dt_dprintf("failed update D container: %s\n", 1251 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1252 return (set_open_errno(dtp, errp, EDT_CTF)); 1253 } 1254 1255 /* 1256 * Initialize the integer description table used to convert integer 1257 * constants to the appropriate types. Refer to the comments above 1258 * dt_node_int() for a complete description of how this table is used. 1259 */ 1260 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1261 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1262 dtp->dt_ints[i].did_name, &dtt) != 0) { 1263 dt_dprintf("failed to lookup integer type %s: %s\n", 1264 dtp->dt_ints[i].did_name, 1265 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1266 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1267 } 1268 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1269 dtp->dt_ints[i].did_type = dtt.dtt_type; 1270 } 1271 1272 /* 1273 * Now that we've created the "C" and "D" containers, move them to the 1274 * start of the module list so that these types and symbols are found 1275 * first (for stability) when iterating through the module list. 1276 */ 1277 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1278 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1279 1280 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1281 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1282 1283 if (dt_pfdict_create(dtp) == -1) 1284 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1285 1286 /* 1287 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1288 * because without /dev/dtrace open, we will not be able to load the 1289 * names and attributes of any providers or probes from the kernel. 1290 */ 1291 if (flags & DTRACE_O_NODEV) 1292 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1293 1294 /* 1295 * Load hard-wired inlines into the definition cache by calling the 1296 * compiler on the raw definition string defined above. 1297 */ 1298 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1299 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1300 dt_dprintf("failed to load hard-wired definitions: %s\n", 1301 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1302 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1303 } 1304 1305 dt_program_destroy(dtp, pgp); 1306 1307 /* 1308 * Set up the default DTrace library path. Once set, the next call to 1309 * dt_compile() will compile all the libraries. We intentionally defer 1310 * library processing to improve overhead for clients that don't ever 1311 * compile, and to provide better error reporting (because the full 1312 * reporting of compiler errors requires dtrace_open() to succeed). 1313 */ 1314 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1315 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1316 1317 return (dtp); 1318 } 1319 1320 dtrace_hdl_t * 1321 dtrace_open(int version, int flags, int *errp) 1322 { 1323 return (dt_vopen(version, flags, errp, NULL, NULL)); 1324 } 1325 1326 dtrace_hdl_t * 1327 dtrace_vopen(int version, int flags, int *errp, 1328 const dtrace_vector_t *vector, void *arg) 1329 { 1330 return (dt_vopen(version, flags, errp, vector, arg)); 1331 } 1332 1333 void 1334 dtrace_close(dtrace_hdl_t *dtp) 1335 { 1336 dt_ident_t *idp, *ndp; 1337 dt_module_t *dmp; 1338 dt_provider_t *pvp; 1339 dtrace_prog_t *pgp; 1340 dt_xlator_t *dxp; 1341 dt_dirpath_t *dirp; 1342 int i; 1343 1344 if (dtp->dt_procs != NULL) 1345 dt_proc_fini(dtp); 1346 1347 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1348 dt_program_destroy(dtp, pgp); 1349 1350 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1351 dt_xlator_destroy(dtp, dxp); 1352 1353 dt_free(dtp, dtp->dt_xlatormap); 1354 1355 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1356 ndp = idp->di_next; 1357 dt_ident_destroy(idp); 1358 } 1359 1360 if (dtp->dt_macros != NULL) 1361 dt_idhash_destroy(dtp->dt_macros); 1362 if (dtp->dt_aggs != NULL) 1363 dt_idhash_destroy(dtp->dt_aggs); 1364 if (dtp->dt_globals != NULL) 1365 dt_idhash_destroy(dtp->dt_globals); 1366 if (dtp->dt_tls != NULL) 1367 dt_idhash_destroy(dtp->dt_tls); 1368 1369 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1370 dt_module_destroy(dtp, dmp); 1371 1372 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1373 dt_provider_destroy(dtp, pvp); 1374 1375 if (dtp->dt_fd != -1) 1376 (void) close(dtp->dt_fd); 1377 if (dtp->dt_ftfd != -1) 1378 (void) close(dtp->dt_ftfd); 1379 if (dtp->dt_cdefs_fd != -1) 1380 (void) close(dtp->dt_cdefs_fd); 1381 if (dtp->dt_ddefs_fd != -1) 1382 (void) close(dtp->dt_ddefs_fd); 1383 if (dtp->dt_stdout_fd != -1) 1384 (void) close(dtp->dt_stdout_fd); 1385 1386 dt_epid_destroy(dtp); 1387 dt_aggid_destroy(dtp); 1388 dt_format_destroy(dtp); 1389 dt_strdata_destroy(dtp); 1390 dt_buffered_destroy(dtp); 1391 dt_aggregate_destroy(dtp); 1392 dt_pfdict_destroy(dtp); 1393 dt_provmod_destroy(&dtp->dt_provmod); 1394 dt_dof_fini(dtp); 1395 1396 for (i = 1; i < dtp->dt_cpp_argc; i++) 1397 free(dtp->dt_cpp_argv[i]); 1398 1399 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1400 dt_list_delete(&dtp->dt_lib_path, dirp); 1401 free(dirp->dir_path); 1402 free(dirp); 1403 } 1404 1405 free(dtp->dt_cpp_argv); 1406 free(dtp->dt_cpp_path); 1407 free(dtp->dt_ld_path); 1408 1409 free(dtp->dt_mods); 1410 free(dtp->dt_provs); 1411 free(dtp); 1412 } 1413 1414 int 1415 dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1416 { 1417 dt_provmod_t *prov; 1418 int i = 0; 1419 1420 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1421 if (i < nmods) 1422 mods[i] = prov->dp_name; 1423 } 1424 1425 return (i); 1426 } 1427 1428 int 1429 dtrace_ctlfd(dtrace_hdl_t *dtp) 1430 { 1431 return (dtp->dt_fd); 1432 } 1433