1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 25 * Copyright (c) 2012 by Delphix. All rights reserved. 26 */ 27 28 #include <sys/types.h> 29 #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_LATEST DT_VERS_1_12_1 119 #define DT_VERS_STRING "Sun D 1.12.1" 120 121 const dt_version_t _dtrace_versions[] = { 122 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 123 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 124 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 125 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 126 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 127 DT_VERS_1_3, /* D API 1.3 Solaris Express 10/06 */ 128 DT_VERS_1_4, /* D API 1.4 Solaris Express 2/07 */ 129 DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */ 130 DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */ 131 DT_VERS_1_6, /* D API 1.6 */ 132 DT_VERS_1_6_1, /* D API 1.6.1 */ 133 DT_VERS_1_6_2, /* D API 1.6.2 */ 134 DT_VERS_1_6_3, /* D API 1.6.3 */ 135 DT_VERS_1_7, /* D API 1.7 */ 136 DT_VERS_1_7_1, /* D API 1.7.1 */ 137 DT_VERS_1_8, /* D API 1.8 */ 138 DT_VERS_1_8_1, /* D API 1.8.1 */ 139 DT_VERS_1_9, /* D API 1.9 */ 140 DT_VERS_1_9_1, /* D API 1.9.1 */ 141 DT_VERS_1_10, /* D API 1.10 */ 142 DT_VERS_1_11, /* D API 1.11 */ 143 DT_VERS_1_12, /* D API 1.12 */ 144 DT_VERS_1_12_1, /* D API 1.12.1 */ 145 0 146 }; 147 148 /* 149 * Table of global identifiers. This is used to populate the global identifier 150 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 151 * The global identifiers that represent functions use the dt_idops_func ops 152 * and specify the private data pointer as a prototype string which is parsed 153 * when the identifier is first encountered. These prototypes look like ANSI 154 * C function prototypes except that the special symbol "@" can be used as a 155 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 156 * The standard "..." notation can also be used to represent varargs. An empty 157 * parameter list is taken to mean void (that is, no arguments are permitted). 158 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 159 * argument. 160 */ 161 static const dt_ident_t _dtrace_globals[] = { 162 { "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 163 &dt_idops_func, "void *(size_t)" }, 164 { "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 165 &dt_idops_type, "int64_t" }, 166 { "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 167 &dt_idops_type, "int64_t" }, 168 { "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 169 &dt_idops_type, "int64_t" }, 170 { "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 171 &dt_idops_type, "int64_t" }, 172 { "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 173 &dt_idops_type, "int64_t" }, 174 { "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 175 &dt_idops_type, "int64_t" }, 176 { "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 177 &dt_idops_type, "int64_t" }, 178 { "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 179 &dt_idops_type, "int64_t" }, 180 { "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 181 &dt_idops_type, "int64_t" }, 182 { "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 183 &dt_idops_type, "int64_t" }, 184 { "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 185 &dt_idops_args, NULL }, 186 { "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 187 &dt_idops_func, "void(@)" }, 188 { "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 189 &dt_idops_func, "string(const char *)" }, 190 { "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 191 &dt_idops_func, "void(void *, void *, size_t)" }, 192 { "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 193 DT_ATTR_STABCMN, DT_VERS_1_0, 194 &dt_idops_func, "void()" }, 195 { "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 196 &dt_idops_type, "uintptr_t" }, 197 { "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 198 &dt_idops_func, "void(int)" }, 199 { "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 200 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 201 { "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 202 &dt_idops_func, "void(...)" }, 203 { "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 204 &dt_idops_func, "void(int)" }, 205 { "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 206 &dt_idops_func, "void *(uintptr_t, size_t)" }, 207 { "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 208 DT_ATTR_STABCMN, DT_VERS_1_0, 209 &dt_idops_func, "string(uintptr_t, [size_t])" }, 210 { "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 211 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 212 { "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 213 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 214 { "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 215 DT_ATTR_STABCMN, DT_VERS_1_0, 216 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 217 { "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 218 &dt_idops_func, "void()" }, 219 { "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 220 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 221 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 222 &dt_idops_type, "genunix`kthread_t *" }, 223 { "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 224 DT_ATTR_EVOLCMN, DT_VERS_1_0, 225 &dt_idops_func, "string(void *, int64_t)" }, 226 { "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 227 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 228 { "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 229 &dt_idops_func, "string(const char *)" }, 230 { "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 231 &dt_idops_func, "void(int)" }, 232 { "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 233 &dt_idops_type, "uint_t" }, 234 { "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 235 &dt_idops_type, "int" }, 236 { "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 237 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 238 { "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 239 &dt_idops_func, "void(int)" }, 240 { "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 241 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 242 { "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 243 DT_VERS_1_0, &dt_idops_func, "void()" }, 244 { "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 245 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 246 { "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 247 DT_ATTR_EVOLCMN, DT_VERS_1_0, 248 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 249 { "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 250 DT_ATTR_EVOLCMN, DT_VERS_1_0, 251 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 252 { "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 253 &dt_idops_func, "uint32_t(uint32_t)" }, 254 { "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 255 &dt_idops_func, "uint64_t(uint64_t)" }, 256 { "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 257 &dt_idops_func, "uint16_t(uint16_t)" }, 258 { "getf", DT_IDENT_FUNC, 0, DIF_SUBR_GETF, DT_ATTR_STABCMN, DT_VERS_1_10, 259 &dt_idops_func, "file_t *(int)" }, 260 { "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 261 &dt_idops_type, "gid_t" }, 262 { "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 263 &dt_idops_type, "uint_t" }, 264 { "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 265 &dt_idops_func, "int(const char *, const char *, [int])" }, 266 { "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 267 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 268 { "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 269 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 270 { "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 271 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 272 { "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 273 &dt_idops_type, "uint_t" }, 274 { "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, 275 &dt_idops_func, "string(const char *, const char *)" }, 276 { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 277 &dt_idops_func, "stack(...)" }, 278 { "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 279 &dt_idops_func, "string(int64_t, [int])" }, 280 { "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 281 DT_VERS_1_7, &dt_idops_func, 282 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 283 { "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 284 DT_ATTR_STABCMN, DT_VERS_1_0, 285 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 286 { "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 287 &dt_idops_func, "void(@)" }, 288 { "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 289 &dt_idops_func, "void(@)" }, 290 { "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 291 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 292 { "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 293 DT_ATTR_STABCMN, DT_VERS_1_0, 294 &dt_idops_func, "size_t(mblk_t *)" }, 295 { "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 296 DT_ATTR_STABCMN, DT_VERS_1_0, 297 &dt_idops_func, "size_t(mblk_t *)" }, 298 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 299 DT_ATTR_EVOLCMN, DT_VERS_1_0, 300 &dt_idops_func, "int(genunix`kmutex_t *)" }, 301 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 302 DT_ATTR_EVOLCMN, DT_VERS_1_0, 303 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 304 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 305 DT_ATTR_EVOLCMN, DT_VERS_1_0, 306 &dt_idops_func, "int(genunix`kmutex_t *)" }, 307 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 308 DT_ATTR_EVOLCMN, DT_VERS_1_0, 309 &dt_idops_func, "int(genunix`kmutex_t *)" }, 310 { "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 311 &dt_idops_func, "uint32_t(uint32_t)" }, 312 { "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 313 &dt_idops_func, "uint64_t(uint64_t)" }, 314 { "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 315 &dt_idops_func, "uint16_t(uint16_t)" }, 316 { "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 317 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 318 { "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 319 &dt_idops_func, "void()" }, 320 { "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 321 &dt_idops_type, "pid_t" }, 322 { "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 323 &dt_idops_type, "pid_t" }, 324 { "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 325 &dt_idops_func, "void(@)" }, 326 { "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 327 &dt_idops_func, "void(@, ...)" }, 328 { "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 329 &dt_idops_func, "void(@, ...)" }, 330 { "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 331 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 332 { "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 333 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 334 { "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 335 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 336 { "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 337 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 338 { "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 339 DT_ATTR_STABCMN, DT_VERS_1_0, 340 &dt_idops_func, "int(pid_t)" }, 341 { "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 342 DT_ATTR_STABCMN, DT_VERS_1_0, 343 &dt_idops_func, "void(@, ...)" }, 344 { "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 345 &dt_idops_func, "void(int)" }, 346 { "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 347 &dt_idops_func, "int()" }, 348 { "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 349 &dt_idops_func, "int(const char *, const char *, [int])" }, 350 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 351 DT_ATTR_EVOLCMN, DT_VERS_1_0, 352 &dt_idops_func, "int(genunix`krwlock_t *)" }, 353 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 354 DT_ATTR_EVOLCMN, DT_VERS_1_0, 355 &dt_idops_func, "int(genunix`krwlock_t *)" }, 356 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 357 DT_ATTR_EVOLCMN, DT_VERS_1_0, 358 &dt_idops_func, "int(genunix`krwlock_t *)" }, 359 { "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 360 &dt_idops_type, "void" }, 361 { "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 362 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 363 { "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 364 DT_ATTR_STABCMN, DT_VERS_1_0, 365 &dt_idops_func, "void(int)" }, 366 { "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 367 DT_ATTR_STABCMN, DT_VERS_1_0, 368 &dt_idops_func, "int()" }, 369 { "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 370 &dt_idops_func, "stack(...)" }, 371 { "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 372 DT_ATTR_STABCMN, DT_VERS_1_0, 373 &dt_idops_type, "uint32_t" }, 374 { "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 375 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 376 { "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 377 &dt_idops_func, "void()" }, 378 { "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 379 &dt_idops_func, "string(const char *, char)" }, 380 { "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 381 &dt_idops_func, "size_t(const char *)" }, 382 { "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 383 &dt_idops_func, "string(const char *, const char *)" }, 384 { "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 385 &dt_idops_func, "string(const char *, char)" }, 386 { "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 387 &dt_idops_func, "string(const char *, const char *)" }, 388 { "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 389 &dt_idops_func, "string(const char *, const char *)" }, 390 { "strtoll", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOLL, DT_ATTR_STABCMN, DT_VERS_1_11, 391 &dt_idops_func, "int64_t(const char *, [int])" }, 392 { "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 393 &dt_idops_func, "string(const char *, int, [int])" }, 394 { "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 395 &dt_idops_func, "void(@)" }, 396 { "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 397 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 398 { "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 399 &dt_idops_func, "void(@, ...)" }, 400 { "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 401 &dt_idops_type, "void" }, 402 { "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 403 &dt_idops_type, "id_t" }, 404 { "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 405 DT_ATTR_STABCMN, DT_VERS_1_0, 406 &dt_idops_type, "uint64_t" }, 407 { "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 408 &dt_idops_func, "string(const char *)" }, 409 { "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 410 &dt_idops_func, "string(const char *)" }, 411 { "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 412 &dt_idops_func, "void(@)" }, 413 { "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 414 DT_ATTR_STABCMN, DT_VERS_1_0, 415 &dt_idops_func, "void(@, size_t, ...)" }, 416 { "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 417 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 418 { "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 419 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 420 { "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 421 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 422 { "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 423 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 424 { "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 425 &dt_idops_type, "uid_t" }, 426 { "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 427 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 428 { "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 429 &dt_idops_regs, NULL }, 430 { "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 431 &dt_idops_func, "stack(...)" }, 432 { "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 433 DT_ATTR_STABCMN, DT_VERS_1_2, 434 &dt_idops_type, "uint32_t" }, 435 { "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 436 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 437 { "vmregs", DT_IDENT_ARRAY, 0, DIF_VAR_VMREGS, DT_ATTR_STABCMN, DT_VERS_1_7, 438 &dt_idops_regs, NULL }, 439 { "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 440 DT_ATTR_STABCMN, DT_VERS_1_0, 441 &dt_idops_type, "uint64_t" }, 442 { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 443 DT_ATTR_STABCMN, DT_VERS_1_0, 444 &dt_idops_type, "int64_t" }, 445 { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 446 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 447 { NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 448 }; 449 450 /* 451 * Tables of ILP32 intrinsic integer and floating-point type templates to use 452 * to populate the dynamic "C" CTF type container. 453 */ 454 static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 455 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 456 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 457 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 458 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 459 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 460 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 461 { "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 462 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 463 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 464 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 465 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 466 { "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 467 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 468 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 469 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 470 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 471 { "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 472 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 473 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 474 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 475 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 476 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 477 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 478 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 479 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 480 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 481 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 482 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 483 { NULL, { 0, 0, 0 }, 0 } 484 }; 485 486 /* 487 * Tables of LP64 intrinsic integer and floating-point type templates to use 488 * to populate the dynamic "C" CTF type container. 489 */ 490 static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 491 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 492 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 493 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 494 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 495 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 496 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 497 { "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 498 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 499 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 500 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 501 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 502 { "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 503 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 504 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 505 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 506 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 507 { "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 508 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 509 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 510 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 511 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 512 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 513 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 514 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 515 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 516 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 517 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 518 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 519 { NULL, { 0, 0, 0 }, 0 } 520 }; 521 522 /* 523 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 524 * These aliases ensure that D definitions can use typical <sys/types.h> names. 525 */ 526 static const dt_typedef_t _dtrace_typedefs_32[] = { 527 { "char", "int8_t" }, 528 { "short", "int16_t" }, 529 { "int", "int32_t" }, 530 { "long long", "int64_t" }, 531 { "int", "intptr_t" }, 532 { "int", "ssize_t" }, 533 { "unsigned char", "uint8_t" }, 534 { "unsigned short", "uint16_t" }, 535 { "unsigned", "uint32_t" }, 536 { "unsigned long long", "uint64_t" }, 537 { "unsigned char", "uchar_t" }, 538 { "unsigned short", "ushort_t" }, 539 { "unsigned", "uint_t" }, 540 { "unsigned long", "ulong_t" }, 541 { "unsigned long long", "u_longlong_t" }, 542 { "int", "ptrdiff_t" }, 543 { "unsigned", "uintptr_t" }, 544 { "unsigned", "size_t" }, 545 { "long", "id_t" }, 546 { "long", "pid_t" }, 547 { NULL, NULL } 548 }; 549 550 /* 551 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 552 * These aliases ensure that D definitions can use typical <sys/types.h> names. 553 */ 554 static const dt_typedef_t _dtrace_typedefs_64[] = { 555 { "char", "int8_t" }, 556 { "short", "int16_t" }, 557 { "int", "int32_t" }, 558 { "long", "int64_t" }, 559 { "long", "intptr_t" }, 560 { "long", "ssize_t" }, 561 { "unsigned char", "uint8_t" }, 562 { "unsigned short", "uint16_t" }, 563 { "unsigned", "uint32_t" }, 564 { "unsigned long", "uint64_t" }, 565 { "unsigned char", "uchar_t" }, 566 { "unsigned short", "ushort_t" }, 567 { "unsigned", "uint_t" }, 568 { "unsigned long", "ulong_t" }, 569 { "unsigned long long", "u_longlong_t" }, 570 { "long", "ptrdiff_t" }, 571 { "unsigned long", "uintptr_t" }, 572 { "unsigned long", "size_t" }, 573 { "int", "id_t" }, 574 { "int", "pid_t" }, 575 { NULL, NULL } 576 }; 577 578 /* 579 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 580 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 581 */ 582 static const dt_intdesc_t _dtrace_ints_32[] = { 583 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 584 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 585 { "long", NULL, CTF_ERR, 0x7fffffffULL }, 586 { "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 587 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 588 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 589 }; 590 591 /* 592 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 593 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 594 */ 595 static const dt_intdesc_t _dtrace_ints_64[] = { 596 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 597 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 598 { "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 599 { "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 600 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 601 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 602 }; 603 604 /* 605 * Table of macro variable templates used to populate the macro identifier hash 606 * when a new dtrace client open occurs. Values are set by dtrace_update(). 607 */ 608 static const dt_ident_t _dtrace_macros[] = { 609 { "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 610 { "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 611 { "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 612 { "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 613 { "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 614 { "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 615 { "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 616 { "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 617 { "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 618 { "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 619 { "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 620 { NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 621 }; 622 623 /* 624 * Hard-wired definition string to be compiled and cached every time a new 625 * DTrace library handle is initialized. This string should only be used to 626 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 627 */ 628 static const char _dtrace_hardwire[] = "\ 629 inline long NULL = 0; \n\ 630 #pragma D binding \"1.0\" NULL\n\ 631 "; 632 633 /* 634 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 635 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 636 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 637 * relying on the fact that when running dtrace(1M), isaexec will invoke the 638 * binary with the same bitness as the kernel, which is what we want by default 639 * when generating our DIF. The user can override the choice using oflags. 640 */ 641 static const dtrace_conf_t _dtrace_conf = { 642 DIF_VERSION, /* dtc_difversion */ 643 DIF_DIR_NREGS, /* dtc_difintregs */ 644 DIF_DTR_NREGS, /* dtc_diftupregs */ 645 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 646 }; 647 648 const dtrace_attribute_t _dtrace_maxattr = { 649 DTRACE_STABILITY_MAX, 650 DTRACE_STABILITY_MAX, 651 DTRACE_CLASS_MAX 652 }; 653 654 const dtrace_attribute_t _dtrace_defattr = { 655 DTRACE_STABILITY_STABLE, 656 DTRACE_STABILITY_STABLE, 657 DTRACE_CLASS_COMMON 658 }; 659 660 const dtrace_attribute_t _dtrace_symattr = { 661 DTRACE_STABILITY_PRIVATE, 662 DTRACE_STABILITY_PRIVATE, 663 DTRACE_CLASS_UNKNOWN 664 }; 665 666 const dtrace_attribute_t _dtrace_typattr = { 667 DTRACE_STABILITY_PRIVATE, 668 DTRACE_STABILITY_PRIVATE, 669 DTRACE_CLASS_UNKNOWN 670 }; 671 672 const dtrace_attribute_t _dtrace_prvattr = { 673 DTRACE_STABILITY_PRIVATE, 674 DTRACE_STABILITY_PRIVATE, 675 DTRACE_CLASS_UNKNOWN 676 }; 677 678 const dtrace_pattr_t _dtrace_prvdesc = { 679 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 680 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 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 }; 685 686 const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 687 const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 688 689 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 690 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 691 692 int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 693 int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 694 uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 695 uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 696 uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 697 uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 698 size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 699 int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 700 701 int _dtrace_debug = 0; /* debug messages enabled (off) */ 702 const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 703 int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 704 705 typedef struct dt_fdlist { 706 int *df_fds; /* array of provider driver file descriptors */ 707 uint_t df_ents; /* number of valid elements in df_fds[] */ 708 uint_t df_size; /* size of df_fds[] */ 709 } dt_fdlist_t; 710 711 #pragma init(_dtrace_init) 712 void 713 _dtrace_init(void) 714 { 715 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 716 717 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 718 if (rd_init(_dtrace_rdvers) == RD_OK) 719 break; 720 } 721 } 722 723 static dtrace_hdl_t * 724 set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 725 { 726 if (dtp != NULL) 727 dtrace_close(dtp); 728 if (errp != NULL) 729 *errp = err; 730 return (NULL); 731 } 732 733 static void 734 dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 735 { 736 dt_provmod_t *prov; 737 char path[PATH_MAX]; 738 struct dirent *dp, *ep; 739 DIR *dirp; 740 int fd; 741 742 if ((dirp = opendir(_dtrace_provdir)) == NULL) 743 return; /* failed to open directory; just skip it */ 744 745 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 746 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 747 748 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 749 if (dp->d_name[0] == '.') 750 continue; /* skip "." and ".." */ 751 752 if (dfp->df_ents == dfp->df_size) { 753 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 754 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 755 756 if (fds == NULL) 757 break; /* skip the rest of this directory */ 758 759 dfp->df_fds = fds; 760 dfp->df_size = size; 761 } 762 763 (void) snprintf(path, sizeof (path), "%s/%s", 764 _dtrace_provdir, dp->d_name); 765 766 if ((fd = open(path, O_RDONLY)) == -1) 767 continue; /* failed to open driver; just skip it */ 768 769 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 770 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 771 free(prov); 772 (void) close(fd); 773 break; 774 } 775 776 (void) strcpy(prov->dp_name, dp->d_name); 777 prov->dp_next = *provmod; 778 *provmod = prov; 779 780 dt_dprintf("opened provider %s\n", dp->d_name); 781 dfp->df_fds[dfp->df_ents++] = fd; 782 } 783 784 (void) closedir(dirp); 785 } 786 787 static void 788 dt_provmod_destroy(dt_provmod_t **provmod) 789 { 790 dt_provmod_t *next, *current; 791 792 for (current = *provmod; current != NULL; current = next) { 793 next = current->dp_next; 794 free(current->dp_name); 795 free(current); 796 } 797 798 *provmod = NULL; 799 } 800 801 static const char * 802 dt_get_sysinfo(int cmd, char *buf, size_t len) 803 { 804 ssize_t rv = sysinfo(cmd, buf, len); 805 char *p = buf; 806 807 if (rv < 0 || rv > len) 808 (void) snprintf(buf, len, "%s", "Unknown"); 809 810 while ((p = strchr(p, '.')) != NULL) 811 *p++ = '_'; 812 813 return (buf); 814 } 815 816 static dtrace_hdl_t * 817 dt_vopen(int version, int flags, int *errp, 818 const dtrace_vector_t *vector, void *arg) 819 { 820 dtrace_hdl_t *dtp = NULL; 821 int dtfd = -1, ftfd = -1, fterr = 0; 822 dtrace_prog_t *pgp; 823 dt_module_t *dmp; 824 dt_provmod_t *provmod = NULL; 825 int i, err; 826 struct rlimit rl; 827 828 const dt_intrinsic_t *dinp; 829 const dt_typedef_t *dtyp; 830 const dt_ident_t *idp; 831 832 dtrace_typeinfo_t dtt; 833 ctf_funcinfo_t ctc; 834 ctf_arinfo_t ctr; 835 836 dt_fdlist_t df = { NULL, 0, 0 }; 837 838 char isadef[32], utsdef[32]; 839 char s1[64], s2[64]; 840 841 if (version <= 0) 842 return (set_open_errno(dtp, errp, EINVAL)); 843 844 if (version > DTRACE_VERSION) 845 return (set_open_errno(dtp, errp, EDT_VERSION)); 846 847 if (version < DTRACE_VERSION) { 848 /* 849 * Currently, increasing the library version number is used to 850 * denote a binary incompatible change. That is, a consumer 851 * of the library cannot run on a version of the library with 852 * a higher DTRACE_VERSION number than the consumer compiled 853 * against. Once the library API has been committed to, 854 * backwards binary compatibility will be required; at that 855 * time, this check should change to return EDT_OVERSION only 856 * if the specified version number is less than the version 857 * number at the time of interface commitment. 858 */ 859 return (set_open_errno(dtp, errp, EDT_OVERSION)); 860 } 861 862 if (flags & ~DTRACE_O_MASK) 863 return (set_open_errno(dtp, errp, EINVAL)); 864 865 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 866 return (set_open_errno(dtp, errp, EINVAL)); 867 868 if (vector == NULL && arg != NULL) 869 return (set_open_errno(dtp, errp, EINVAL)); 870 871 if (elf_version(EV_CURRENT) == EV_NONE) 872 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 873 874 if (vector != NULL || (flags & DTRACE_O_NODEV)) 875 goto alloc; /* do not attempt to open dtrace device */ 876 877 /* 878 * Before we get going, crank our limit on file descriptors up to the 879 * hard limit. This is to allow for the fact that libproc keeps file 880 * descriptors to objects open for the lifetime of the proc handle; 881 * without raising our hard limit, we would have an acceptably small 882 * bound on the number of processes that we could concurrently 883 * instrument with the pid provider. 884 */ 885 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 886 rl.rlim_cur = rl.rlim_max; 887 (void) setrlimit(RLIMIT_NOFILE, &rl); 888 } 889 890 /* 891 * Get the device path of each of the providers. We hold them open 892 * in the df.df_fds list until we open the DTrace driver itself, 893 * allowing us to see all of the probes provided on this system. Once 894 * we have the DTrace driver open, we can safely close all the providers 895 * now that they have registered with the framework. 896 */ 897 dt_provmod_open(&provmod, &df); 898 899 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 900 err = errno; /* save errno from opening dtfd */ 901 902 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 903 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 904 905 while (df.df_ents-- != 0) 906 (void) close(df.df_fds[df.df_ents]); 907 908 free(df.df_fds); 909 910 /* 911 * If we failed to open the dtrace device, fail dtrace_open(). 912 * We convert some kernel errnos to custom libdtrace errnos to 913 * improve the resulting message from the usual strerror(). 914 */ 915 if (dtfd == -1) { 916 dt_provmod_destroy(&provmod); 917 switch (err) { 918 case ENOENT: 919 err = EDT_NOENT; 920 break; 921 case EBUSY: 922 err = EDT_BUSY; 923 break; 924 case EACCES: 925 err = EDT_ACCESS; 926 break; 927 } 928 return (set_open_errno(dtp, errp, err)); 929 } 930 931 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 932 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 933 934 alloc: 935 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 936 return (set_open_errno(dtp, errp, EDT_NOMEM)); 937 938 bzero(dtp, sizeof (dtrace_hdl_t)); 939 dtp->dt_oflags = flags; 940 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 941 dtp->dt_linkmode = DT_LINK_KERNEL; 942 dtp->dt_linktype = DT_LTYP_ELF; 943 dtp->dt_xlatemode = DT_XL_STATIC; 944 dtp->dt_stdcmode = DT_STDC_XA; 945 dtp->dt_encoding = DT_ENCODING_UNSET; 946 dtp->dt_version = version; 947 dtp->dt_fd = dtfd; 948 dtp->dt_ftfd = ftfd; 949 dtp->dt_fterr = fterr; 950 dtp->dt_cdefs_fd = -1; 951 dtp->dt_ddefs_fd = -1; 952 dtp->dt_stdout_fd = -1; 953 dtp->dt_modbuckets = _dtrace_strbuckets; 954 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 955 dtp->dt_provbuckets = _dtrace_strbuckets; 956 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 957 dt_proc_init(dtp); 958 dtp->dt_vmax = DT_VERS_LATEST; 959 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 960 dtp->dt_cpp_argv = malloc(sizeof (char *)); 961 dtp->dt_cpp_argc = 1; 962 dtp->dt_cpp_args = 1; 963 dtp->dt_ld_path = strdup(_dtrace_defld); 964 dtp->dt_provmod = provmod; 965 dtp->dt_vector = vector; 966 dtp->dt_varg = arg; 967 dt_dof_init(dtp); 968 (void) uname(&dtp->dt_uts); 969 970 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 971 dtp->dt_procs == NULL || dtp->dt_proc_env == NULL || 972 dtp->dt_ld_path == NULL || dtp->dt_cpp_path == NULL || 973 dtp->dt_cpp_argv == NULL) 974 return (set_open_errno(dtp, errp, EDT_NOMEM)); 975 976 for (i = 0; i < DTRACEOPT_MAX; i++) 977 dtp->dt_options[i] = DTRACEOPT_UNSET; 978 979 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 980 981 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 982 (uint_t)(sizeof (void *) * NBBY)); 983 984 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 985 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 986 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 987 988 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 989 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 990 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 991 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 992 dt_cpp_add_arg(dtp, isadef) == NULL || 993 dt_cpp_add_arg(dtp, utsdef) == NULL) 994 return (set_open_errno(dtp, errp, EDT_NOMEM)); 995 996 if (flags & DTRACE_O_NODEV) 997 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 998 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 999 return (set_open_errno(dtp, errp, errno)); 1000 1001 if (flags & DTRACE_O_LP64) 1002 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1003 else if (flags & DTRACE_O_ILP32) 1004 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1005 1006 #ifdef __sparc 1007 /* 1008 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1009 * and __sparcv9 is defined if we are doing a 64-bit compile. 1010 */ 1011 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1012 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1013 1014 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1015 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1016 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1017 #endif 1018 1019 #ifdef __x86 1020 /* 1021 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1022 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1023 * they are defined exclusive of one another (see PSARC 2004/619). 1024 */ 1025 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1026 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1027 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1028 } else { 1029 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1030 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1031 } 1032 #endif 1033 1034 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1035 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1036 1037 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1038 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1039 else 1040 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1041 1042 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1043 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1044 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1045 1046 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1047 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1048 1049 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1050 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1051 1052 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1053 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1054 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1055 1056 /* 1057 * Populate the dt_macros identifier hash table by hand: we can't use 1058 * the dt_idhash_populate() mechanism because we're not yet compiling 1059 * and dtrace_update() needs to immediately reference these idents. 1060 */ 1061 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1062 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1063 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1064 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1065 idp->di_iarg, 0) == NULL) 1066 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1067 } 1068 1069 /* 1070 * Update the module list using /system/object and load the values for 1071 * the macro variable definitions according to the current process. 1072 */ 1073 dtrace_update(dtp); 1074 1075 /* 1076 * Select the intrinsics and typedefs we want based on the data model. 1077 * The intrinsics are under "C". The typedefs are added under "D". 1078 */ 1079 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1080 dinp = _dtrace_intrinsics_32; 1081 dtyp = _dtrace_typedefs_32; 1082 } else { 1083 dinp = _dtrace_intrinsics_64; 1084 dtyp = _dtrace_typedefs_64; 1085 } 1086 1087 /* 1088 * Create a dynamic CTF container under the "C" scope for intrinsic 1089 * types and types defined in ANSI-C header files that are included. 1090 */ 1091 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1092 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1093 1094 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1095 return (set_open_errno(dtp, errp, EDT_CTF)); 1096 1097 dt_dprintf("created CTF container for %s (%p)\n", 1098 dmp->dm_name, (void *)dmp->dm_ctfp); 1099 1100 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1101 ctf_setspecific(dmp->dm_ctfp, dmp); 1102 1103 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1104 dmp->dm_modid = -1; /* no module ID */ 1105 1106 /* 1107 * Fill the dynamic "C" CTF container with all of the intrinsic 1108 * integer and floating-point types appropriate for this data model. 1109 */ 1110 for (; dinp->din_name != NULL; dinp++) { 1111 if (dinp->din_kind == CTF_K_INTEGER) { 1112 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1113 dinp->din_name, &dinp->din_data); 1114 } else { 1115 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1116 dinp->din_name, &dinp->din_data); 1117 } 1118 1119 if (err == CTF_ERR) { 1120 dt_dprintf("failed to add %s to C container: %s\n", 1121 dinp->din_name, ctf_errmsg( 1122 ctf_errno(dmp->dm_ctfp))); 1123 return (set_open_errno(dtp, errp, EDT_CTF)); 1124 } 1125 } 1126 1127 if (ctf_update(dmp->dm_ctfp) != 0) { 1128 dt_dprintf("failed to update C container: %s\n", 1129 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1130 return (set_open_errno(dtp, errp, EDT_CTF)); 1131 } 1132 1133 /* 1134 * Add intrinsic pointer types that are needed to initialize printf 1135 * format dictionary types (see table in dt_printf.c). 1136 */ 1137 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1138 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1139 1140 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1141 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1142 1143 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1144 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1145 1146 if (ctf_update(dmp->dm_ctfp) != 0) { 1147 dt_dprintf("failed to update C container: %s\n", 1148 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1149 return (set_open_errno(dtp, errp, EDT_CTF)); 1150 } 1151 1152 /* 1153 * Create a dynamic CTF container under the "D" scope for types that 1154 * are defined by the D program itself or on-the-fly by the D compiler. 1155 * The "D" CTF container is a child of the "C" CTF container. 1156 */ 1157 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1158 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1159 1160 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1161 return (set_open_errno(dtp, errp, EDT_CTF)); 1162 1163 dt_dprintf("created CTF container for %s (%p)\n", 1164 dmp->dm_name, (void *)dmp->dm_ctfp); 1165 1166 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1167 ctf_setspecific(dmp->dm_ctfp, dmp); 1168 1169 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1170 dmp->dm_modid = -1; /* no module ID */ 1171 1172 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1173 dt_dprintf("failed to import D parent container: %s\n", 1174 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1175 return (set_open_errno(dtp, errp, EDT_CTF)); 1176 } 1177 1178 /* 1179 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1180 * that we need to use for our D variable and function definitions. 1181 * This ensures that basic inttypes.h names are always available to us. 1182 */ 1183 for (; dtyp->dty_src != NULL; dtyp++) { 1184 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1185 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1186 dtyp->dty_src)) == CTF_ERR) { 1187 dt_dprintf("failed to add typedef %s %s to D " 1188 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1189 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1190 return (set_open_errno(dtp, errp, EDT_CTF)); 1191 } 1192 } 1193 1194 /* 1195 * Insert a CTF ID corresponding to a pointer to a type of kind 1196 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1197 * CTF treats all function pointers as "int (*)()" so we only need one. 1198 */ 1199 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1200 ctc.ctc_argc = 0; 1201 ctc.ctc_flags = 0; 1202 1203 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1204 CTF_ADD_ROOT, &ctc, NULL); 1205 1206 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1207 CTF_ADD_ROOT, dtp->dt_type_func); 1208 1209 /* 1210 * We also insert CTF definitions for the special D intrinsic types 1211 * string and <DYN> into the D container. The string type is added 1212 * as a typedef of char[n]. The <DYN> type is an alias for void. 1213 * We compare types to these special CTF ids throughout the compiler. 1214 */ 1215 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1216 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1217 ctr.ctr_nelems = _dtrace_strsize; 1218 1219 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1220 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1221 1222 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1223 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1224 1225 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1226 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1227 1228 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1229 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1230 1231 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1232 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1233 1234 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1235 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1236 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1237 dtp->dt_type_usymaddr == CTF_ERR) { 1238 dt_dprintf("failed to add intrinsic to D container: %s\n", 1239 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1240 return (set_open_errno(dtp, errp, EDT_CTF)); 1241 } 1242 1243 if (ctf_update(dmp->dm_ctfp) != 0) { 1244 dt_dprintf("failed update D container: %s\n", 1245 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1246 return (set_open_errno(dtp, errp, EDT_CTF)); 1247 } 1248 1249 /* 1250 * Initialize the integer description table used to convert integer 1251 * constants to the appropriate types. Refer to the comments above 1252 * dt_node_int() for a complete description of how this table is used. 1253 */ 1254 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1255 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1256 dtp->dt_ints[i].did_name, &dtt) != 0) { 1257 dt_dprintf("failed to lookup integer type %s: %s\n", 1258 dtp->dt_ints[i].did_name, 1259 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1260 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1261 } 1262 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1263 dtp->dt_ints[i].did_type = dtt.dtt_type; 1264 } 1265 1266 /* 1267 * Now that we've created the "C" and "D" containers, move them to the 1268 * start of the module list so that these types and symbols are found 1269 * first (for stability) when iterating through the module list. 1270 */ 1271 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1272 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1273 1274 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1275 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1276 1277 if (dt_pfdict_create(dtp) == -1) 1278 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1279 1280 /* 1281 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1282 * because without /dev/dtrace open, we will not be able to load the 1283 * names and attributes of any providers or probes from the kernel. 1284 */ 1285 if (flags & DTRACE_O_NODEV) 1286 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1287 1288 /* 1289 * Load hard-wired inlines into the definition cache by calling the 1290 * compiler on the raw definition string defined above. 1291 */ 1292 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1293 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1294 dt_dprintf("failed to load hard-wired definitions: %s\n", 1295 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1296 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1297 } 1298 1299 dt_program_destroy(dtp, pgp); 1300 1301 /* 1302 * Set up the default DTrace library path. Once set, the next call to 1303 * dt_compile() will compile all the libraries. We intentionally defer 1304 * library processing to improve overhead for clients that don't ever 1305 * compile, and to provide better error reporting (because the full 1306 * reporting of compiler errors requires dtrace_open() to succeed). 1307 */ 1308 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1309 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1310 1311 return (dtp); 1312 } 1313 1314 dtrace_hdl_t * 1315 dtrace_open(int version, int flags, int *errp) 1316 { 1317 return (dt_vopen(version, flags, errp, NULL, NULL)); 1318 } 1319 1320 dtrace_hdl_t * 1321 dtrace_vopen(int version, int flags, int *errp, 1322 const dtrace_vector_t *vector, void *arg) 1323 { 1324 return (dt_vopen(version, flags, errp, vector, arg)); 1325 } 1326 1327 void 1328 dtrace_close(dtrace_hdl_t *dtp) 1329 { 1330 dt_ident_t *idp, *ndp; 1331 dt_module_t *dmp; 1332 dt_provider_t *pvp; 1333 dtrace_prog_t *pgp; 1334 dt_xlator_t *dxp; 1335 dt_dirpath_t *dirp; 1336 int i; 1337 1338 if (dtp->dt_procs != NULL) 1339 dt_proc_fini(dtp); 1340 1341 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1342 dt_program_destroy(dtp, pgp); 1343 1344 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1345 dt_xlator_destroy(dtp, dxp); 1346 1347 dt_free(dtp, dtp->dt_xlatormap); 1348 1349 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1350 ndp = idp->di_next; 1351 dt_ident_destroy(idp); 1352 } 1353 1354 if (dtp->dt_macros != NULL) 1355 dt_idhash_destroy(dtp->dt_macros); 1356 if (dtp->dt_aggs != NULL) 1357 dt_idhash_destroy(dtp->dt_aggs); 1358 if (dtp->dt_globals != NULL) 1359 dt_idhash_destroy(dtp->dt_globals); 1360 if (dtp->dt_tls != NULL) 1361 dt_idhash_destroy(dtp->dt_tls); 1362 1363 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1364 dt_module_destroy(dtp, dmp); 1365 1366 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1367 dt_provider_destroy(dtp, pvp); 1368 1369 if (dtp->dt_fd != -1) 1370 (void) close(dtp->dt_fd); 1371 if (dtp->dt_ftfd != -1) 1372 (void) close(dtp->dt_ftfd); 1373 if (dtp->dt_cdefs_fd != -1) 1374 (void) close(dtp->dt_cdefs_fd); 1375 if (dtp->dt_ddefs_fd != -1) 1376 (void) close(dtp->dt_ddefs_fd); 1377 if (dtp->dt_stdout_fd != -1) 1378 (void) close(dtp->dt_stdout_fd); 1379 1380 dt_epid_destroy(dtp); 1381 dt_aggid_destroy(dtp); 1382 dt_format_destroy(dtp); 1383 dt_strdata_destroy(dtp); 1384 dt_buffered_destroy(dtp); 1385 dt_aggregate_destroy(dtp); 1386 dt_pfdict_destroy(dtp); 1387 dt_provmod_destroy(&dtp->dt_provmod); 1388 dt_dof_fini(dtp); 1389 1390 for (i = 1; i < dtp->dt_cpp_argc; i++) 1391 free(dtp->dt_cpp_argv[i]); 1392 1393 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1394 dt_list_delete(&dtp->dt_lib_path, dirp); 1395 free(dirp->dir_path); 1396 free(dirp); 1397 } 1398 1399 free(dtp->dt_cpp_argv); 1400 free(dtp->dt_cpp_path); 1401 free(dtp->dt_ld_path); 1402 1403 free(dtp->dt_mods); 1404 free(dtp->dt_provs); 1405 free(dtp); 1406 } 1407 1408 int 1409 dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1410 { 1411 dt_provmod_t *prov; 1412 int i = 0; 1413 1414 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1415 if (i < nmods) 1416 mods[i] = prov->dp_name; 1417 } 1418 1419 return (i); 1420 } 1421 1422 int 1423 dtrace_ctlfd(dtrace_hdl_t *dtp) 1424 { 1425 return (dtp->dt_fd); 1426 } 1427