1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 25 * Copyright (c) 2012, 2016 by Delphix. All rights reserved. 26 */ 27 28 #include <sys/types.h> 29 #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_LATEST DT_VERS_1_13 120 #define DT_VERS_STRING "Sun D 1.13" 121 122 const dt_version_t _dtrace_versions[] = { 123 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 124 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 125 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 126 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 127 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 128 DT_VERS_1_3, /* D API 1.3 Solaris Express 10/06 */ 129 DT_VERS_1_4, /* D API 1.4 Solaris Express 2/07 */ 130 DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */ 131 DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */ 132 DT_VERS_1_6, /* D API 1.6 */ 133 DT_VERS_1_6_1, /* D API 1.6.1 */ 134 DT_VERS_1_6_2, /* D API 1.6.2 */ 135 DT_VERS_1_6_3, /* D API 1.6.3 */ 136 DT_VERS_1_7, /* D API 1.7 */ 137 DT_VERS_1_7_1, /* D API 1.7.1 */ 138 DT_VERS_1_8, /* D API 1.8 */ 139 DT_VERS_1_8_1, /* D API 1.8.1 */ 140 DT_VERS_1_9, /* D API 1.9 */ 141 DT_VERS_1_9_1, /* D API 1.9.1 */ 142 DT_VERS_1_10, /* D API 1.10 */ 143 DT_VERS_1_11, /* D API 1.11 */ 144 DT_VERS_1_12, /* D API 1.12 */ 145 DT_VERS_1_12_1, /* D API 1.12.1 */ 146 DT_VERS_1_13, /* D API 1.13 */ 147 0 148 }; 149 150 /* 151 * Table of global identifiers. This is used to populate the global identifier 152 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 153 * The global identifiers that represent functions use the dt_idops_func ops 154 * and specify the private data pointer as a prototype string which is parsed 155 * when the identifier is first encountered. These prototypes look like ANSI 156 * C function prototypes except that the special symbol "@" can be used as a 157 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 158 * The standard "..." notation can also be used to represent varargs. An empty 159 * parameter list is taken to mean void (that is, no arguments are permitted). 160 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 161 * argument. 162 */ 163 static const dt_ident_t _dtrace_globals[] = { 164 { "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 165 &dt_idops_func, "void *(size_t)" }, 166 { "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 167 &dt_idops_type, "int64_t" }, 168 { "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 169 &dt_idops_type, "int64_t" }, 170 { "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 171 &dt_idops_type, "int64_t" }, 172 { "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 173 &dt_idops_type, "int64_t" }, 174 { "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 175 &dt_idops_type, "int64_t" }, 176 { "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 177 &dt_idops_type, "int64_t" }, 178 { "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 179 &dt_idops_type, "int64_t" }, 180 { "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 181 &dt_idops_type, "int64_t" }, 182 { "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 183 &dt_idops_type, "int64_t" }, 184 { "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 185 &dt_idops_type, "int64_t" }, 186 { "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 187 &dt_idops_args, NULL }, 188 { "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 189 &dt_idops_func, "void(@)" }, 190 { "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 191 &dt_idops_func, "string(const char *)" }, 192 { "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 193 &dt_idops_func, "void(void *, void *, size_t)" }, 194 { "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 195 DT_ATTR_STABCMN, DT_VERS_1_0, 196 &dt_idops_func, "void()" }, 197 { "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 198 &dt_idops_type, "uintptr_t" }, 199 { "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 200 &dt_idops_func, "void(int)" }, 201 { "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 202 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 203 { "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 204 &dt_idops_func, "void(...)" }, 205 { "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 206 &dt_idops_func, "void(int)" }, 207 { "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 208 &dt_idops_func, "void *(uintptr_t, size_t)" }, 209 { "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 210 DT_ATTR_STABCMN, DT_VERS_1_0, 211 &dt_idops_func, "string(uintptr_t, [size_t])" }, 212 { "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 213 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 214 { "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 215 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 216 { "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 217 DT_ATTR_STABCMN, DT_VERS_1_0, 218 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 219 { "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 220 &dt_idops_func, "void()" }, 221 { "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 222 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 223 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 224 &dt_idops_type, "genunix`kthread_t *" }, 225 { "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 226 DT_ATTR_EVOLCMN, DT_VERS_1_0, 227 &dt_idops_func, "string(void *, int64_t)" }, 228 { "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 229 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 230 { "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 231 &dt_idops_func, "string(const char *)" }, 232 { "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 233 &dt_idops_func, "void(int)" }, 234 { "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 235 &dt_idops_type, "uint_t" }, 236 { "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 237 &dt_idops_type, "int" }, 238 { "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 239 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 240 { "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 241 &dt_idops_func, "void(int)" }, 242 { "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 243 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 244 { "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 245 DT_VERS_1_0, &dt_idops_func, "void()" }, 246 { "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 247 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 248 { "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 249 DT_ATTR_EVOLCMN, DT_VERS_1_0, 250 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 251 { "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 252 DT_ATTR_EVOLCMN, DT_VERS_1_0, 253 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 254 { "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 255 &dt_idops_func, "uint32_t(uint32_t)" }, 256 { "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 257 &dt_idops_func, "uint64_t(uint64_t)" }, 258 { "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 259 &dt_idops_func, "uint16_t(uint16_t)" }, 260 { "getf", DT_IDENT_FUNC, 0, DIF_SUBR_GETF, DT_ATTR_STABCMN, DT_VERS_1_10, 261 &dt_idops_func, "file_t *(int)" }, 262 { "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 263 &dt_idops_type, "gid_t" }, 264 { "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 265 &dt_idops_type, "uint_t" }, 266 { "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 267 &dt_idops_func, "int(const char *, const char *, [int])" }, 268 { "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 269 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 270 { "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 271 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 272 { "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 273 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 274 { "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 275 &dt_idops_type, "uint_t" }, 276 { "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, 277 &dt_idops_func, "string(const char *, const char *)" }, 278 { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 279 &dt_idops_func, "stack(...)" }, 280 { "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 281 &dt_idops_func, "string(int64_t, [int])" }, 282 { "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 283 DT_VERS_1_7, &dt_idops_func, 284 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 285 { "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 286 DT_ATTR_STABCMN, DT_VERS_1_0, 287 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 288 { "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 289 &dt_idops_func, "void(@)" }, 290 { "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 291 &dt_idops_func, "void(@)" }, 292 { "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 293 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 294 { "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 295 DT_ATTR_STABCMN, DT_VERS_1_0, 296 &dt_idops_func, "size_t(mblk_t *)" }, 297 { "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 298 DT_ATTR_STABCMN, DT_VERS_1_0, 299 &dt_idops_func, "size_t(mblk_t *)" }, 300 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 301 DT_ATTR_EVOLCMN, DT_VERS_1_0, 302 &dt_idops_func, "int(genunix`kmutex_t *)" }, 303 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 304 DT_ATTR_EVOLCMN, DT_VERS_1_0, 305 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 306 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 307 DT_ATTR_EVOLCMN, DT_VERS_1_0, 308 &dt_idops_func, "int(genunix`kmutex_t *)" }, 309 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 310 DT_ATTR_EVOLCMN, DT_VERS_1_0, 311 &dt_idops_func, "int(genunix`kmutex_t *)" }, 312 { "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 313 &dt_idops_func, "uint32_t(uint32_t)" }, 314 { "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 315 &dt_idops_func, "uint64_t(uint64_t)" }, 316 { "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 317 &dt_idops_func, "uint16_t(uint16_t)" }, 318 { "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 319 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 320 { "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 321 &dt_idops_func, "void()" }, 322 { "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 323 &dt_idops_type, "pid_t" }, 324 { "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 325 &dt_idops_type, "pid_t" }, 326 { "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 327 &dt_idops_func, "void(@)" }, 328 { "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 329 &dt_idops_func, "void(@, ...)" }, 330 { "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 331 &dt_idops_func, "void(@, ...)" }, 332 { "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 333 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 334 { "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 335 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 336 { "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 337 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 338 { "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 339 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 340 { "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 341 DT_ATTR_STABCMN, DT_VERS_1_0, 342 &dt_idops_func, "int(pid_t)" }, 343 { "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 344 DT_ATTR_STABCMN, DT_VERS_1_0, 345 &dt_idops_func, "void(@, ...)" }, 346 { "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 347 &dt_idops_func, "void(int)" }, 348 { "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 349 &dt_idops_func, "int()" }, 350 { "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 351 &dt_idops_func, "int(const char *, const char *, [int])" }, 352 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 353 DT_ATTR_EVOLCMN, DT_VERS_1_0, 354 &dt_idops_func, "int(genunix`krwlock_t *)" }, 355 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 356 DT_ATTR_EVOLCMN, DT_VERS_1_0, 357 &dt_idops_func, "int(genunix`krwlock_t *)" }, 358 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 359 DT_ATTR_EVOLCMN, DT_VERS_1_0, 360 &dt_idops_func, "int(genunix`krwlock_t *)" }, 361 { "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 362 &dt_idops_type, "void" }, 363 { "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 364 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 365 { "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 366 DT_ATTR_STABCMN, DT_VERS_1_0, 367 &dt_idops_func, "void(int)" }, 368 { "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 369 DT_ATTR_STABCMN, DT_VERS_1_0, 370 &dt_idops_func, "int()" }, 371 { "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 372 &dt_idops_func, "stack(...)" }, 373 { "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 374 DT_ATTR_STABCMN, DT_VERS_1_0, 375 &dt_idops_type, "uint32_t" }, 376 { "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 377 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 378 { "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 379 &dt_idops_func, "void()" }, 380 { "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 381 &dt_idops_func, "string(const char *, char)" }, 382 { "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 383 &dt_idops_func, "size_t(const char *)" }, 384 { "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 385 &dt_idops_func, "string(const char *, const char *)" }, 386 { "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 387 &dt_idops_func, "string(const char *, char)" }, 388 { "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 389 &dt_idops_func, "string(const char *, const char *)" }, 390 { "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 391 &dt_idops_func, "string(const char *, const char *)" }, 392 { "strtoll", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOLL, DT_ATTR_STABCMN, DT_VERS_1_11, 393 &dt_idops_func, "int64_t(const char *, [int])" }, 394 { "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 395 &dt_idops_func, "string(const char *, int, [int])" }, 396 { "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 397 &dt_idops_func, "void(@)" }, 398 { "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 399 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 400 { "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 401 &dt_idops_func, "void(@, ...)" }, 402 { "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 403 &dt_idops_type, "void" }, 404 { "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 405 &dt_idops_type, "id_t" }, 406 { "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 407 DT_ATTR_STABCMN, DT_VERS_1_0, 408 &dt_idops_type, "uint64_t" }, 409 { "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 410 &dt_idops_func, "string(const char *)" }, 411 { "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 412 &dt_idops_func, "string(const char *)" }, 413 { "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 414 &dt_idops_func, "void(@)" }, 415 { "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 416 DT_ATTR_STABCMN, DT_VERS_1_0, 417 &dt_idops_func, "void(@, size_t, ...)" }, 418 { "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 419 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 420 { "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 421 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 422 { "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 423 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 424 { "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 425 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 426 { "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 427 &dt_idops_type, "uid_t" }, 428 { "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 429 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 430 { "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 431 &dt_idops_regs, NULL }, 432 { "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 433 &dt_idops_func, "stack(...)" }, 434 { "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 435 DT_ATTR_STABCMN, DT_VERS_1_2, 436 &dt_idops_type, "uint32_t" }, 437 { "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 438 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 439 { "vmregs", DT_IDENT_ARRAY, 0, DIF_VAR_VMREGS, DT_ATTR_STABCMN, DT_VERS_1_7, 440 &dt_idops_regs, NULL }, 441 { "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 442 DT_ATTR_STABCMN, DT_VERS_1_0, 443 &dt_idops_type, "uint64_t" }, 444 { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 445 DT_ATTR_STABCMN, DT_VERS_1_0, 446 &dt_idops_type, "int64_t" }, 447 { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 448 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 449 { NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 450 }; 451 452 /* 453 * Tables of ILP32 intrinsic integer and floating-point type templates to use 454 * to populate the dynamic "C" CTF type container. 455 */ 456 static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 457 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 458 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 459 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 460 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 461 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 462 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 463 { "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 464 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 465 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 466 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 467 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 468 { "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 469 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 470 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 471 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 472 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 473 { "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 474 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 475 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 476 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 477 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 478 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 479 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 480 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 481 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 482 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 483 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 484 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 485 { NULL, { 0, 0, 0 }, 0 } 486 }; 487 488 /* 489 * Tables of LP64 intrinsic integer and floating-point type templates to use 490 * to populate the dynamic "C" CTF type container. 491 */ 492 static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 493 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 494 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 495 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 496 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 497 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 498 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 499 { "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 500 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 501 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 502 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 503 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 504 { "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 505 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 506 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 507 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 508 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 509 { "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 510 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 511 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 512 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 513 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 514 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 515 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 516 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 517 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 518 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 519 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 520 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 521 { NULL, { 0, 0, 0 }, 0 } 522 }; 523 524 /* 525 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 526 * These aliases ensure that D definitions can use typical <sys/types.h> names. 527 */ 528 static const dt_typedef_t _dtrace_typedefs_32[] = { 529 { "char", "int8_t" }, 530 { "short", "int16_t" }, 531 { "int", "int32_t" }, 532 { "long long", "int64_t" }, 533 { "int", "intptr_t" }, 534 { "int", "ssize_t" }, 535 { "unsigned char", "uint8_t" }, 536 { "unsigned short", "uint16_t" }, 537 { "unsigned", "uint32_t" }, 538 { "unsigned long long", "uint64_t" }, 539 { "unsigned char", "uchar_t" }, 540 { "unsigned short", "ushort_t" }, 541 { "unsigned", "uint_t" }, 542 { "unsigned long", "ulong_t" }, 543 { "unsigned long long", "u_longlong_t" }, 544 { "int", "ptrdiff_t" }, 545 { "unsigned", "uintptr_t" }, 546 { "unsigned", "size_t" }, 547 { "long", "id_t" }, 548 { "long", "pid_t" }, 549 { NULL, NULL } 550 }; 551 552 /* 553 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 554 * These aliases ensure that D definitions can use typical <sys/types.h> names. 555 */ 556 static const dt_typedef_t _dtrace_typedefs_64[] = { 557 { "char", "int8_t" }, 558 { "short", "int16_t" }, 559 { "int", "int32_t" }, 560 { "long", "int64_t" }, 561 { "long", "intptr_t" }, 562 { "long", "ssize_t" }, 563 { "unsigned char", "uint8_t" }, 564 { "unsigned short", "uint16_t" }, 565 { "unsigned", "uint32_t" }, 566 { "unsigned long", "uint64_t" }, 567 { "unsigned char", "uchar_t" }, 568 { "unsigned short", "ushort_t" }, 569 { "unsigned", "uint_t" }, 570 { "unsigned long", "ulong_t" }, 571 { "unsigned long long", "u_longlong_t" }, 572 { "long", "ptrdiff_t" }, 573 { "unsigned long", "uintptr_t" }, 574 { "unsigned long", "size_t" }, 575 { "int", "id_t" }, 576 { "int", "pid_t" }, 577 { NULL, NULL } 578 }; 579 580 /* 581 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 582 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 583 */ 584 static const dt_intdesc_t _dtrace_ints_32[] = { 585 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 586 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 587 { "long", NULL, CTF_ERR, 0x7fffffffULL }, 588 { "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 589 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 590 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 591 }; 592 593 /* 594 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 595 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 596 */ 597 static const dt_intdesc_t _dtrace_ints_64[] = { 598 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 599 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 600 { "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 601 { "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 602 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 603 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 604 }; 605 606 /* 607 * Table of macro variable templates used to populate the macro identifier hash 608 * when a new dtrace client open occurs. Values are set by dtrace_update(). 609 */ 610 static const dt_ident_t _dtrace_macros[] = { 611 { "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 612 { "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 613 { "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 614 { "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 615 { "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 616 { "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 617 { "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 618 { "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 619 { "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 620 { "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 621 { "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 622 { NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 623 }; 624 625 /* 626 * Hard-wired definition string to be compiled and cached every time a new 627 * DTrace library handle is initialized. This string should only be used to 628 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 629 */ 630 static const char _dtrace_hardwire[] = "\ 631 inline long NULL = 0; \n\ 632 #pragma D binding \"1.0\" NULL\n\ 633 "; 634 635 /* 636 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 637 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 638 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 639 * relying on the fact that when running dtrace(1M), isaexec will invoke the 640 * binary with the same bitness as the kernel, which is what we want by default 641 * when generating our DIF. The user can override the choice using oflags. 642 */ 643 static const dtrace_conf_t _dtrace_conf = { 644 DIF_VERSION, /* dtc_difversion */ 645 DIF_DIR_NREGS, /* dtc_difintregs */ 646 DIF_DTR_NREGS, /* dtc_diftupregs */ 647 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 648 }; 649 650 const dtrace_attribute_t _dtrace_maxattr = { 651 DTRACE_STABILITY_MAX, 652 DTRACE_STABILITY_MAX, 653 DTRACE_CLASS_MAX 654 }; 655 656 const dtrace_attribute_t _dtrace_defattr = { 657 DTRACE_STABILITY_STABLE, 658 DTRACE_STABILITY_STABLE, 659 DTRACE_CLASS_COMMON 660 }; 661 662 const dtrace_attribute_t _dtrace_symattr = { 663 DTRACE_STABILITY_PRIVATE, 664 DTRACE_STABILITY_PRIVATE, 665 DTRACE_CLASS_UNKNOWN 666 }; 667 668 const dtrace_attribute_t _dtrace_typattr = { 669 DTRACE_STABILITY_PRIVATE, 670 DTRACE_STABILITY_PRIVATE, 671 DTRACE_CLASS_UNKNOWN 672 }; 673 674 const dtrace_attribute_t _dtrace_prvattr = { 675 DTRACE_STABILITY_PRIVATE, 676 DTRACE_STABILITY_PRIVATE, 677 DTRACE_CLASS_UNKNOWN 678 }; 679 680 const dtrace_pattr_t _dtrace_prvdesc = { 681 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 682 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 683 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 684 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 685 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 686 }; 687 688 const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 689 const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 690 691 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 692 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 693 694 int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 695 int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 696 uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 697 uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 698 uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 699 uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 700 size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 701 int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 702 703 int _dtrace_debug = 0; /* debug messages enabled (off) */ 704 const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 705 int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 706 707 typedef struct dt_fdlist { 708 int *df_fds; /* array of provider driver file descriptors */ 709 uint_t df_ents; /* number of valid elements in df_fds[] */ 710 uint_t df_size; /* size of df_fds[] */ 711 } dt_fdlist_t; 712 713 #pragma init(_dtrace_init) 714 void 715 _dtrace_init(void) 716 { 717 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 718 719 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 720 if (rd_init(_dtrace_rdvers) == RD_OK) 721 break; 722 } 723 } 724 725 static dtrace_hdl_t * 726 set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 727 { 728 if (dtp != NULL) 729 dtrace_close(dtp); 730 if (errp != NULL) 731 *errp = err; 732 return (NULL); 733 } 734 735 static void 736 dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 737 { 738 dt_provmod_t *prov; 739 char path[PATH_MAX]; 740 struct dirent *dp, *ep; 741 DIR *dirp; 742 int fd; 743 744 if ((dirp = opendir(_dtrace_provdir)) == NULL) 745 return; /* failed to open directory; just skip it */ 746 747 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 748 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 749 750 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 751 if (dp->d_name[0] == '.') 752 continue; /* skip "." and ".." */ 753 754 if (dfp->df_ents == dfp->df_size) { 755 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 756 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 757 758 if (fds == NULL) 759 break; /* skip the rest of this directory */ 760 761 dfp->df_fds = fds; 762 dfp->df_size = size; 763 } 764 765 (void) snprintf(path, sizeof (path), "%s/%s", 766 _dtrace_provdir, dp->d_name); 767 768 if ((fd = open(path, O_RDONLY)) == -1) 769 continue; /* failed to open driver; just skip it */ 770 771 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 772 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 773 free(prov); 774 (void) close(fd); 775 break; 776 } 777 778 (void) strcpy(prov->dp_name, dp->d_name); 779 prov->dp_next = *provmod; 780 *provmod = prov; 781 782 dt_dprintf("opened provider %s\n", dp->d_name); 783 dfp->df_fds[dfp->df_ents++] = fd; 784 } 785 786 (void) closedir(dirp); 787 } 788 789 static void 790 dt_provmod_destroy(dt_provmod_t **provmod) 791 { 792 dt_provmod_t *next, *current; 793 794 for (current = *provmod; current != NULL; current = next) { 795 next = current->dp_next; 796 free(current->dp_name); 797 free(current); 798 } 799 800 *provmod = NULL; 801 } 802 803 static const char * 804 dt_get_sysinfo(int cmd, char *buf, size_t len) 805 { 806 ssize_t rv = sysinfo(cmd, buf, len); 807 char *p = buf; 808 809 if (rv < 0 || rv > len) 810 (void) snprintf(buf, len, "%s", "Unknown"); 811 812 while ((p = strchr(p, '.')) != NULL) 813 *p++ = '_'; 814 815 return (buf); 816 } 817 818 static dtrace_hdl_t * 819 dt_vopen(int version, int flags, int *errp, 820 const dtrace_vector_t *vector, void *arg) 821 { 822 dtrace_hdl_t *dtp = NULL; 823 int dtfd = -1, ftfd = -1, fterr = 0; 824 dtrace_prog_t *pgp; 825 dt_module_t *dmp; 826 dt_provmod_t *provmod = NULL; 827 int i, err; 828 struct rlimit rl; 829 830 const dt_intrinsic_t *dinp; 831 const dt_typedef_t *dtyp; 832 const dt_ident_t *idp; 833 834 dtrace_typeinfo_t dtt; 835 ctf_funcinfo_t ctc; 836 ctf_arinfo_t ctr; 837 838 dt_fdlist_t df = { NULL, 0, 0 }; 839 840 char isadef[32], utsdef[32]; 841 char s1[64], s2[64]; 842 843 if (version <= 0) 844 return (set_open_errno(dtp, errp, EINVAL)); 845 846 if (version > DTRACE_VERSION) 847 return (set_open_errno(dtp, errp, EDT_VERSION)); 848 849 if (version < DTRACE_VERSION) { 850 /* 851 * Currently, increasing the library version number is used to 852 * denote a binary incompatible change. That is, a consumer 853 * of the library cannot run on a version of the library with 854 * a higher DTRACE_VERSION number than the consumer compiled 855 * against. Once the library API has been committed to, 856 * backwards binary compatibility will be required; at that 857 * time, this check should change to return EDT_OVERSION only 858 * if the specified version number is less than the version 859 * number at the time of interface commitment. 860 */ 861 return (set_open_errno(dtp, errp, EDT_OVERSION)); 862 } 863 864 if (flags & ~DTRACE_O_MASK) 865 return (set_open_errno(dtp, errp, EINVAL)); 866 867 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 868 return (set_open_errno(dtp, errp, EINVAL)); 869 870 if (vector == NULL && arg != NULL) 871 return (set_open_errno(dtp, errp, EINVAL)); 872 873 if (elf_version(EV_CURRENT) == EV_NONE) 874 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 875 876 if (vector != NULL || (flags & DTRACE_O_NODEV)) 877 goto alloc; /* do not attempt to open dtrace device */ 878 879 /* 880 * Before we get going, crank our limit on file descriptors up to the 881 * hard limit. This is to allow for the fact that libproc keeps file 882 * descriptors to objects open for the lifetime of the proc handle; 883 * without raising our hard limit, we would have an acceptably small 884 * bound on the number of processes that we could concurrently 885 * instrument with the pid provider. 886 */ 887 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 888 rl.rlim_cur = rl.rlim_max; 889 (void) setrlimit(RLIMIT_NOFILE, &rl); 890 } 891 892 /* 893 * Get the device path of each of the providers. We hold them open 894 * in the df.df_fds list until we open the DTrace driver itself, 895 * allowing us to see all of the probes provided on this system. Once 896 * we have the DTrace driver open, we can safely close all the providers 897 * now that they have registered with the framework. 898 */ 899 dt_provmod_open(&provmod, &df); 900 901 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 902 err = errno; /* save errno from opening dtfd */ 903 904 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 905 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 906 907 while (df.df_ents-- != 0) 908 (void) close(df.df_fds[df.df_ents]); 909 910 free(df.df_fds); 911 912 /* 913 * If we failed to open the dtrace device, fail dtrace_open(). 914 * We convert some kernel errnos to custom libdtrace errnos to 915 * improve the resulting message from the usual strerror(). 916 */ 917 if (dtfd == -1) { 918 dt_provmod_destroy(&provmod); 919 switch (err) { 920 case ENOENT: 921 err = EDT_NOENT; 922 break; 923 case EBUSY: 924 err = EDT_BUSY; 925 break; 926 case EACCES: 927 err = EDT_ACCESS; 928 break; 929 } 930 return (set_open_errno(dtp, errp, err)); 931 } 932 933 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 934 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 935 936 alloc: 937 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 938 return (set_open_errno(dtp, errp, EDT_NOMEM)); 939 940 bzero(dtp, sizeof (dtrace_hdl_t)); 941 dtp->dt_oflags = flags; 942 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 943 dtp->dt_linkmode = DT_LINK_KERNEL; 944 dtp->dt_linktype = DT_LTYP_ELF; 945 dtp->dt_xlatemode = DT_XL_STATIC; 946 dtp->dt_stdcmode = DT_STDC_XA; 947 dtp->dt_encoding = DT_ENCODING_UNSET; 948 dtp->dt_version = version; 949 dtp->dt_fd = dtfd; 950 dtp->dt_ftfd = ftfd; 951 dtp->dt_fterr = fterr; 952 dtp->dt_cdefs_fd = -1; 953 dtp->dt_ddefs_fd = -1; 954 dtp->dt_stdout_fd = -1; 955 dtp->dt_modbuckets = _dtrace_strbuckets; 956 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 957 dtp->dt_provbuckets = _dtrace_strbuckets; 958 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 959 dt_proc_init(dtp); 960 dtp->dt_vmax = DT_VERS_LATEST; 961 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 962 dtp->dt_cpp_argv = malloc(sizeof (char *)); 963 dtp->dt_cpp_argc = 1; 964 dtp->dt_cpp_args = 1; 965 dtp->dt_ld_path = strdup(_dtrace_defld); 966 dtp->dt_provmod = provmod; 967 dtp->dt_vector = vector; 968 dtp->dt_varg = arg; 969 dt_dof_init(dtp); 970 (void) uname(&dtp->dt_uts); 971 972 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 973 dtp->dt_procs == NULL || dtp->dt_proc_env == NULL || 974 dtp->dt_ld_path == NULL || dtp->dt_cpp_path == NULL || 975 dtp->dt_cpp_argv == NULL) 976 return (set_open_errno(dtp, errp, EDT_NOMEM)); 977 978 for (i = 0; i < DTRACEOPT_MAX; i++) 979 dtp->dt_options[i] = DTRACEOPT_UNSET; 980 981 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 982 983 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 984 (uint_t)(sizeof (void *) * NBBY)); 985 986 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 987 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 988 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 989 990 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 991 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 992 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 993 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 994 dt_cpp_add_arg(dtp, isadef) == NULL || 995 dt_cpp_add_arg(dtp, utsdef) == NULL) 996 return (set_open_errno(dtp, errp, EDT_NOMEM)); 997 998 if (flags & DTRACE_O_NODEV) 999 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1000 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1001 return (set_open_errno(dtp, errp, errno)); 1002 1003 if (flags & DTRACE_O_LP64) 1004 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1005 else if (flags & DTRACE_O_ILP32) 1006 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1007 1008 #ifdef __sparc 1009 /* 1010 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1011 * and __sparcv9 is defined if we are doing a 64-bit compile. 1012 */ 1013 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1014 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1015 1016 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1017 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1018 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1019 #endif 1020 1021 #ifdef __x86 1022 /* 1023 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1024 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1025 * they are defined exclusive of one another (see PSARC 2004/619). 1026 */ 1027 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1028 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1029 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1030 } else { 1031 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1032 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1033 } 1034 #endif 1035 1036 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1037 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1038 1039 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1040 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1041 else 1042 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1043 1044 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1045 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1046 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1047 1048 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1049 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1050 1051 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1052 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1053 1054 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1055 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1056 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1057 1058 /* 1059 * Populate the dt_macros identifier hash table by hand: we can't use 1060 * the dt_idhash_populate() mechanism because we're not yet compiling 1061 * and dtrace_update() needs to immediately reference these idents. 1062 */ 1063 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1064 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1065 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1066 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1067 idp->di_iarg, 0) == NULL) 1068 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1069 } 1070 1071 /* 1072 * Update the module list using /system/object and load the values for 1073 * the macro variable definitions according to the current process. 1074 */ 1075 dtrace_update(dtp); 1076 1077 /* 1078 * Select the intrinsics and typedefs we want based on the data model. 1079 * The intrinsics are under "C". The typedefs are added under "D". 1080 */ 1081 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1082 dinp = _dtrace_intrinsics_32; 1083 dtyp = _dtrace_typedefs_32; 1084 } else { 1085 dinp = _dtrace_intrinsics_64; 1086 dtyp = _dtrace_typedefs_64; 1087 } 1088 1089 /* 1090 * Create a dynamic CTF container under the "C" scope for intrinsic 1091 * types and types defined in ANSI-C header files that are included. 1092 */ 1093 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1094 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1095 1096 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1097 return (set_open_errno(dtp, errp, EDT_CTF)); 1098 1099 dt_dprintf("created CTF container for %s (%p)\n", 1100 dmp->dm_name, (void *)dmp->dm_ctfp); 1101 1102 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1103 ctf_setspecific(dmp->dm_ctfp, dmp); 1104 1105 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1106 dmp->dm_modid = -1; /* no module ID */ 1107 1108 /* 1109 * Fill the dynamic "C" CTF container with all of the intrinsic 1110 * integer and floating-point types appropriate for this data model. 1111 */ 1112 for (; dinp->din_name != NULL; dinp++) { 1113 if (dinp->din_kind == CTF_K_INTEGER) { 1114 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1115 dinp->din_name, &dinp->din_data); 1116 } else { 1117 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1118 dinp->din_name, &dinp->din_data); 1119 } 1120 1121 if (err == CTF_ERR) { 1122 dt_dprintf("failed to add %s to C container: %s\n", 1123 dinp->din_name, ctf_errmsg( 1124 ctf_errno(dmp->dm_ctfp))); 1125 return (set_open_errno(dtp, errp, EDT_CTF)); 1126 } 1127 } 1128 1129 if (ctf_update(dmp->dm_ctfp) != 0) { 1130 dt_dprintf("failed to update C container: %s\n", 1131 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1132 return (set_open_errno(dtp, errp, EDT_CTF)); 1133 } 1134 1135 /* 1136 * Add intrinsic pointer types that are needed to initialize printf 1137 * format dictionary types (see table in dt_printf.c). 1138 */ 1139 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1140 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1141 1142 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1143 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1144 1145 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1146 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1147 1148 if (ctf_update(dmp->dm_ctfp) != 0) { 1149 dt_dprintf("failed to update C container: %s\n", 1150 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1151 return (set_open_errno(dtp, errp, EDT_CTF)); 1152 } 1153 1154 /* 1155 * Create a dynamic CTF container under the "D" scope for types that 1156 * are defined by the D program itself or on-the-fly by the D compiler. 1157 * The "D" CTF container is a child of the "C" CTF container. 1158 */ 1159 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1160 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1161 1162 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1163 return (set_open_errno(dtp, errp, EDT_CTF)); 1164 1165 dt_dprintf("created CTF container for %s (%p)\n", 1166 dmp->dm_name, (void *)dmp->dm_ctfp); 1167 1168 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1169 ctf_setspecific(dmp->dm_ctfp, dmp); 1170 1171 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1172 dmp->dm_modid = -1; /* no module ID */ 1173 1174 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1175 dt_dprintf("failed to import D parent container: %s\n", 1176 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1177 return (set_open_errno(dtp, errp, EDT_CTF)); 1178 } 1179 1180 /* 1181 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1182 * that we need to use for our D variable and function definitions. 1183 * This ensures that basic inttypes.h names are always available to us. 1184 */ 1185 for (; dtyp->dty_src != NULL; dtyp++) { 1186 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1187 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1188 dtyp->dty_src)) == CTF_ERR) { 1189 dt_dprintf("failed to add typedef %s %s to D " 1190 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1191 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1192 return (set_open_errno(dtp, errp, EDT_CTF)); 1193 } 1194 } 1195 1196 /* 1197 * Insert a CTF ID corresponding to a pointer to a type of kind 1198 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1199 * CTF treats all function pointers as "int (*)()" so we only need one. 1200 */ 1201 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1202 ctc.ctc_argc = 0; 1203 ctc.ctc_flags = 0; 1204 1205 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1206 CTF_ADD_ROOT, &ctc, NULL); 1207 1208 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1209 CTF_ADD_ROOT, dtp->dt_type_func); 1210 1211 /* 1212 * We also insert CTF definitions for the special D intrinsic types 1213 * string and <DYN> into the D container. The string type is added 1214 * as a typedef of char[n]. The <DYN> type is an alias for void. 1215 * We compare types to these special CTF ids throughout the compiler. 1216 */ 1217 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1218 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1219 ctr.ctr_nelems = _dtrace_strsize; 1220 1221 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1222 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1223 1224 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1225 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1226 1227 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1228 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1229 1230 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1231 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1232 1233 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1234 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1235 1236 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1237 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1238 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1239 dtp->dt_type_usymaddr == CTF_ERR) { 1240 dt_dprintf("failed to add intrinsic to D container: %s\n", 1241 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1242 return (set_open_errno(dtp, errp, EDT_CTF)); 1243 } 1244 1245 if (ctf_update(dmp->dm_ctfp) != 0) { 1246 dt_dprintf("failed update D container: %s\n", 1247 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1248 return (set_open_errno(dtp, errp, EDT_CTF)); 1249 } 1250 1251 /* 1252 * Initialize the integer description table used to convert integer 1253 * constants to the appropriate types. Refer to the comments above 1254 * dt_node_int() for a complete description of how this table is used. 1255 */ 1256 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1257 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1258 dtp->dt_ints[i].did_name, &dtt) != 0) { 1259 dt_dprintf("failed to lookup integer type %s: %s\n", 1260 dtp->dt_ints[i].did_name, 1261 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1262 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1263 } 1264 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1265 dtp->dt_ints[i].did_type = dtt.dtt_type; 1266 } 1267 1268 /* 1269 * Now that we've created the "C" and "D" containers, move them to the 1270 * start of the module list so that these types and symbols are found 1271 * first (for stability) when iterating through the module list. 1272 */ 1273 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1274 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1275 1276 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1277 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1278 1279 if (dt_pfdict_create(dtp) == -1) 1280 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1281 1282 /* 1283 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1284 * because without /dev/dtrace open, we will not be able to load the 1285 * names and attributes of any providers or probes from the kernel. 1286 */ 1287 if (flags & DTRACE_O_NODEV) 1288 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1289 1290 /* 1291 * Load hard-wired inlines into the definition cache by calling the 1292 * compiler on the raw definition string defined above. 1293 */ 1294 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1295 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1296 dt_dprintf("failed to load hard-wired definitions: %s\n", 1297 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1298 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1299 } 1300 1301 dt_program_destroy(dtp, pgp); 1302 1303 /* 1304 * Set up the default DTrace library path. Once set, the next call to 1305 * dt_compile() will compile all the libraries. We intentionally defer 1306 * library processing to improve overhead for clients that don't ever 1307 * compile, and to provide better error reporting (because the full 1308 * reporting of compiler errors requires dtrace_open() to succeed). 1309 */ 1310 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1311 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1312 1313 return (dtp); 1314 } 1315 1316 dtrace_hdl_t * 1317 dtrace_open(int version, int flags, int *errp) 1318 { 1319 return (dt_vopen(version, flags, errp, NULL, NULL)); 1320 } 1321 1322 dtrace_hdl_t * 1323 dtrace_vopen(int version, int flags, int *errp, 1324 const dtrace_vector_t *vector, void *arg) 1325 { 1326 return (dt_vopen(version, flags, errp, vector, arg)); 1327 } 1328 1329 void 1330 dtrace_close(dtrace_hdl_t *dtp) 1331 { 1332 dt_ident_t *idp, *ndp; 1333 dt_module_t *dmp; 1334 dt_provider_t *pvp; 1335 dtrace_prog_t *pgp; 1336 dt_xlator_t *dxp; 1337 dt_dirpath_t *dirp; 1338 int i; 1339 1340 if (dtp->dt_procs != NULL) 1341 dt_proc_fini(dtp); 1342 1343 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1344 dt_program_destroy(dtp, pgp); 1345 1346 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1347 dt_xlator_destroy(dtp, dxp); 1348 1349 dt_free(dtp, dtp->dt_xlatormap); 1350 1351 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1352 ndp = idp->di_next; 1353 dt_ident_destroy(idp); 1354 } 1355 1356 if (dtp->dt_macros != NULL) 1357 dt_idhash_destroy(dtp->dt_macros); 1358 if (dtp->dt_aggs != NULL) 1359 dt_idhash_destroy(dtp->dt_aggs); 1360 if (dtp->dt_globals != NULL) 1361 dt_idhash_destroy(dtp->dt_globals); 1362 if (dtp->dt_tls != NULL) 1363 dt_idhash_destroy(dtp->dt_tls); 1364 1365 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1366 dt_module_destroy(dtp, dmp); 1367 1368 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1369 dt_provider_destroy(dtp, pvp); 1370 1371 if (dtp->dt_fd != -1) 1372 (void) close(dtp->dt_fd); 1373 if (dtp->dt_ftfd != -1) 1374 (void) close(dtp->dt_ftfd); 1375 if (dtp->dt_cdefs_fd != -1) 1376 (void) close(dtp->dt_cdefs_fd); 1377 if (dtp->dt_ddefs_fd != -1) 1378 (void) close(dtp->dt_ddefs_fd); 1379 if (dtp->dt_stdout_fd != -1) 1380 (void) close(dtp->dt_stdout_fd); 1381 1382 dt_epid_destroy(dtp); 1383 dt_aggid_destroy(dtp); 1384 dt_format_destroy(dtp); 1385 dt_strdata_destroy(dtp); 1386 dt_buffered_destroy(dtp); 1387 dt_aggregate_destroy(dtp); 1388 dt_pfdict_destroy(dtp); 1389 dt_provmod_destroy(&dtp->dt_provmod); 1390 dt_dof_fini(dtp); 1391 1392 for (i = 1; i < dtp->dt_cpp_argc; i++) 1393 free(dtp->dt_cpp_argv[i]); 1394 1395 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1396 dt_list_delete(&dtp->dt_lib_path, dirp); 1397 free(dirp->dir_path); 1398 free(dirp); 1399 } 1400 1401 free(dtp->dt_cpp_argv); 1402 free(dtp->dt_cpp_path); 1403 free(dtp->dt_ld_path); 1404 1405 free(dtp->dt_mods); 1406 free(dtp->dt_provs); 1407 free(dtp); 1408 } 1409 1410 int 1411 dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1412 { 1413 dt_provmod_t *prov; 1414 int i = 0; 1415 1416 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1417 if (i < nmods) 1418 mods[i] = prov->dp_name; 1419 } 1420 1421 return (i); 1422 } 1423 1424 int 1425 dtrace_ctlfd(dtrace_hdl_t *dtp) 1426 { 1427 return (dtp->dt_fd); 1428 } 1429