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