1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 25 * Copyright (c) 2012, 2016 by Delphix. All rights reserved. 26 */ 27 28#include <sys/types.h> 29#ifdef illumos 30#include <sys/modctl.h> 31#include <sys/systeminfo.h> 32#else 33#include <sys/param.h> 34#include <sys/module.h> 35#include <sys/linker.h> 36#endif 37#include <sys/resource.h> 38 39#include <libelf.h> 40#include <strings.h> 41#ifdef illumos 42#include <alloca.h> 43#endif 44#include <limits.h> 45#include <unistd.h> 46#include <stdlib.h> 47#include <stdio.h> 48#include <fcntl.h> 49#include <errno.h> 50#include <assert.h> 51 52#define _POSIX_PTHREAD_SEMANTICS 53#include <dirent.h> 54#undef _POSIX_PTHREAD_SEMANTICS 55 56#include <dt_impl.h> 57#include <dt_program.h> 58#include <dt_module.h> 59#include <dt_printf.h> 60#include <dt_string.h> 61#include <dt_provider.h> 62#include <dt_oformat.h> 63#ifndef illumos 64#include <sys/sysctl.h> 65#include <string.h> 66#endif 67#if defined(__i386__) 68#include <ieeefp.h> 69#endif 70 71/* 72 * Stability and versioning definitions. These #defines are used in the tables 73 * of identifiers below to fill in the attribute and version fields associated 74 * with each identifier. The DT_ATTR_* macros are a convenience to permit more 75 * concise declarations of common attributes such as Stable/Stable/Common. The 76 * DT_VERS_* macros declare the encoded integer values of all versions used so 77 * far. DT_VERS_LATEST must correspond to the latest version value among all 78 * versions exported by the D compiler. DT_VERS_STRING must be an ASCII string 79 * that contains DT_VERS_LATEST within it along with any suffixes (e.g. Beta). 80 * You must update DT_VERS_LATEST and DT_VERS_STRING when adding a new version, 81 * and then add the new version to the _dtrace_versions[] array declared below. 82 * Refer to the Solaris Dynamic Tracing Guide Stability and Versioning chapters 83 * respectively for an explanation of these DTrace features and their values. 84 * 85 * NOTE: Although the DTrace versioning scheme supports the labeling and 86 * introduction of incompatible changes (e.g. dropping an interface in a 87 * major release), the libdtrace code does not currently support this. 88 * All versions are assumed to strictly inherit from one another. If 89 * we ever need to provide divergent interfaces, this will need work. 90 */ 91#define DT_ATTR_STABCMN { DTRACE_STABILITY_STABLE, \ 92 DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON } 93 94#define DT_ATTR_EVOLCMN { DTRACE_STABILITY_EVOLVING, \ 95 DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON \ 96} 97 98/* 99 * The version number should be increased for every customer visible release 100 * of DTrace. The major number should be incremented when a fundamental 101 * change has been made that would affect all consumers, and would reflect 102 * sweeping changes to DTrace or the D language. The minor number should be 103 * incremented when a change is introduced that could break scripts that had 104 * previously worked; for example, adding a new built-in variable could break 105 * a script which was already using that identifier. The micro number should 106 * be changed when introducing functionality changes or major bug fixes that 107 * do not affect backward compatibility -- this is merely to make capabilities 108 * easily determined from the version number. Minor bugs do not require any 109 * modification to the version number. 110 */ 111#define DT_VERS_1_0 DT_VERSION_NUMBER(1, 0, 0) 112#define DT_VERS_1_1 DT_VERSION_NUMBER(1, 1, 0) 113#define DT_VERS_1_2 DT_VERSION_NUMBER(1, 2, 0) 114#define DT_VERS_1_2_1 DT_VERSION_NUMBER(1, 2, 1) 115#define DT_VERS_1_2_2 DT_VERSION_NUMBER(1, 2, 2) 116#define DT_VERS_1_3 DT_VERSION_NUMBER(1, 3, 0) 117#define DT_VERS_1_4 DT_VERSION_NUMBER(1, 4, 0) 118#define DT_VERS_1_4_1 DT_VERSION_NUMBER(1, 4, 1) 119#define DT_VERS_1_5 DT_VERSION_NUMBER(1, 5, 0) 120#define DT_VERS_1_6 DT_VERSION_NUMBER(1, 6, 0) 121#define DT_VERS_1_6_1 DT_VERSION_NUMBER(1, 6, 1) 122#define DT_VERS_1_6_2 DT_VERSION_NUMBER(1, 6, 2) 123#define DT_VERS_1_6_3 DT_VERSION_NUMBER(1, 6, 3) 124#define DT_VERS_1_7 DT_VERSION_NUMBER(1, 7, 0) 125#define DT_VERS_1_7_1 DT_VERSION_NUMBER(1, 7, 1) 126#define DT_VERS_1_8 DT_VERSION_NUMBER(1, 8, 0) 127#define DT_VERS_1_8_1 DT_VERSION_NUMBER(1, 8, 1) 128#define DT_VERS_1_9 DT_VERSION_NUMBER(1, 9, 0) 129#define DT_VERS_1_9_1 DT_VERSION_NUMBER(1, 9, 1) 130#define DT_VERS_1_10 DT_VERSION_NUMBER(1, 10, 0) 131#define DT_VERS_1_11 DT_VERSION_NUMBER(1, 11, 0) 132#define DT_VERS_1_12 DT_VERSION_NUMBER(1, 12, 0) 133#define DT_VERS_1_12_1 DT_VERSION_NUMBER(1, 12, 1) 134#define DT_VERS_1_13 DT_VERSION_NUMBER(1, 13, 0) 135#define DT_VERS_LATEST DT_VERS_1_13 136#define DT_VERS_STRING "Sun D 1.13" 137 138const dt_version_t _dtrace_versions[] = { 139 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 140 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 141 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 142 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 143 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 144 DT_VERS_1_3, /* D API 1.3 Solaris Express 10/06 */ 145 DT_VERS_1_4, /* D API 1.4 Solaris Express 2/07 */ 146 DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */ 147 DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */ 148 DT_VERS_1_6, /* D API 1.6 */ 149 DT_VERS_1_6_1, /* D API 1.6.1 */ 150 DT_VERS_1_6_2, /* D API 1.6.2 */ 151 DT_VERS_1_6_3, /* D API 1.6.3 */ 152 DT_VERS_1_7, /* D API 1.7 */ 153 DT_VERS_1_7_1, /* D API 1.7.1 */ 154 DT_VERS_1_8, /* D API 1.8 */ 155 DT_VERS_1_8_1, /* D API 1.8.1 */ 156 DT_VERS_1_9, /* D API 1.9 */ 157 DT_VERS_1_9_1, /* D API 1.9.1 */ 158 DT_VERS_1_10, /* D API 1.10 */ 159 DT_VERS_1_11, /* D API 1.11 */ 160 DT_VERS_1_12, /* D API 1.12 */ 161 DT_VERS_1_12_1, /* D API 1.12.1 */ 162 DT_VERS_1_13, /* D API 1.13 */ 163 0 164}; 165 166/* 167 * Global variables that are formatted on FreeBSD based on the kernel file name. 168 */ 169#ifndef illumos 170static char curthread_str[MAXPATHLEN]; 171static char intmtx_str[MAXPATHLEN]; 172static char threadmtx_str[MAXPATHLEN]; 173static char rwlock_str[MAXPATHLEN]; 174static char sxlock_str[MAXPATHLEN]; 175#endif 176 177/* 178 * Table of global identifiers. This is used to populate the global identifier 179 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 180 * The global identifiers that represent functions use the dt_idops_func ops 181 * and specify the private data pointer as a prototype string which is parsed 182 * when the identifier is first encountered. These prototypes look like ANSI 183 * C function prototypes except that the special symbol "@" can be used as a 184 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 185 * The standard "..." notation can also be used to represent varargs. An empty 186 * parameter list is taken to mean void (that is, no arguments are permitted). 187 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 188 * argument. 189 */ 190static const dt_ident_t _dtrace_globals[] = { 191{ "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 192 &dt_idops_func, "void *(size_t)" }, 193{ "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 194 &dt_idops_type, "int64_t" }, 195{ "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 196 &dt_idops_type, "int64_t" }, 197{ "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 198 &dt_idops_type, "int64_t" }, 199{ "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 200 &dt_idops_type, "int64_t" }, 201{ "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 202 &dt_idops_type, "int64_t" }, 203{ "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 204 &dt_idops_type, "int64_t" }, 205{ "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 206 &dt_idops_type, "int64_t" }, 207{ "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 208 &dt_idops_type, "int64_t" }, 209{ "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 210 &dt_idops_type, "int64_t" }, 211{ "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 212 &dt_idops_type, "int64_t" }, 213{ "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 214 &dt_idops_args, NULL }, 215{ "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 216 &dt_idops_func, "void(@)" }, 217{ "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 218 &dt_idops_func, "string(const char *)" }, 219{ "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 220 &dt_idops_func, "void(void *, void *, size_t)" }, 221{ "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 222 DT_ATTR_STABCMN, DT_VERS_1_0, 223 &dt_idops_func, "void()" }, 224{ "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 225 &dt_idops_type, "uintptr_t" }, 226{ "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 227 &dt_idops_func, "void(int)" }, 228{ "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 229 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 230{ "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 231 &dt_idops_func, "void(...)" }, 232{ "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 233 &dt_idops_func, "void(int)" }, 234{ "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 235 &dt_idops_func, "void *(uintptr_t, size_t)" }, 236{ "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 237 DT_ATTR_STABCMN, DT_VERS_1_0, 238 &dt_idops_func, "string(uintptr_t, [size_t])" }, 239{ "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 240 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 241{ "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 242 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 243{ "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 244 DT_ATTR_STABCMN, DT_VERS_1_0, 245 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 246{ "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 247 &dt_idops_func, "void()" }, 248{ "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 249 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 250 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 251#ifdef illumos 252 &dt_idops_type, "genunix`kthread_t *" }, 253#else 254 &dt_idops_type, curthread_str }, 255#endif 256{ "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 257 DT_ATTR_EVOLCMN, DT_VERS_1_0, 258 &dt_idops_func, "string(void *, int64_t)" }, 259{ "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 260 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 261{ "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 262 &dt_idops_func, "string(const char *)" }, 263{ "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 264 &dt_idops_func, "void(int)" }, 265{ "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 266 &dt_idops_type, "uint_t" }, 267{ "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 268 &dt_idops_type, "int" }, 269{ "execargs", DT_IDENT_SCALAR, 0, DIF_VAR_EXECARGS, 270 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 271{ "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 272 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 273{ "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 274 &dt_idops_func, "void(int)" }, 275{ "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 276 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 277{ "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 278 DT_VERS_1_0, &dt_idops_func, "void()" }, 279{ "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 280 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 281{ "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 282 DT_ATTR_EVOLCMN, DT_VERS_1_0, 283 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 284{ "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 285 DT_ATTR_EVOLCMN, DT_VERS_1_0, 286 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 287{ "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 288 &dt_idops_func, "uint32_t(uint32_t)" }, 289{ "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 290 &dt_idops_func, "uint64_t(uint64_t)" }, 291{ "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 292 &dt_idops_func, "uint16_t(uint16_t)" }, 293{ "getf", DT_IDENT_FUNC, 0, DIF_SUBR_GETF, DT_ATTR_STABCMN, DT_VERS_1_10, 294 &dt_idops_func, "file_t *(int)" }, 295{ "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 296 &dt_idops_type, "gid_t" }, 297{ "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 298 &dt_idops_type, "uint_t" }, 299{ "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 300 &dt_idops_func, "int(const char *, const char *, [int])" }, 301{ "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 302#ifdef illumos 303 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 304#else 305 DT_VERS_1_5, &dt_idops_func, "string(in_addr_t *)" }, 306#endif 307{ "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 308#ifdef illumos 309 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 310#else 311 DT_VERS_1_5, &dt_idops_func, "string(struct in6_addr *)" }, 312#endif 313{ "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 314 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 315{ "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 316 &dt_idops_type, "uint_t" }, 317#ifdef __FreeBSD__ 318{ "jailname", DT_IDENT_SCALAR, 0, DIF_VAR_JAILNAME, 319 DT_ATTR_STABCMN, DT_VERS_1_13, &dt_idops_type, "string" }, 320{ "jid", DT_IDENT_SCALAR, 0, DIF_VAR_JID, DT_ATTR_STABCMN, DT_VERS_1_13, 321 &dt_idops_type, "int" }, 322#endif 323{ "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, 324 &dt_idops_func, "string(const char *, const char *)" }, 325{ "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 326 &dt_idops_func, "stack(...)" }, 327{ "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 328 &dt_idops_func, "string(int64_t, [int])" }, 329{ "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 330 DT_VERS_1_7, &dt_idops_func, 331 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 332{ "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 333 DT_ATTR_STABCMN, DT_VERS_1_0, 334 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 335{ "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 336 &dt_idops_func, "void(@)" }, 337{ "memref", DT_IDENT_FUNC, 0, DIF_SUBR_MEMREF, DT_ATTR_STABCMN, DT_VERS_1_1, 338 &dt_idops_func, "uintptr_t *(void *, size_t)" }, 339#ifndef illumos 340{ "memstr", DT_IDENT_FUNC, 0, DIF_SUBR_MEMSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 341 &dt_idops_func, "string(void *, char, size_t)" }, 342#endif 343{ "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 344 &dt_idops_func, "void(@)" }, 345{ "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 346 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 347#ifdef illumos 348{ "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 349 DT_ATTR_STABCMN, DT_VERS_1_0, 350 &dt_idops_func, "size_t(mblk_t *)" }, 351{ "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 352 DT_ATTR_STABCMN, DT_VERS_1_0, 353 &dt_idops_func, "size_t(mblk_t *)" }, 354{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 355 DT_ATTR_EVOLCMN, DT_VERS_1_0, 356 &dt_idops_func, "int(genunix`kmutex_t *)" }, 357{ "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 358 DT_ATTR_EVOLCMN, DT_VERS_1_0, 359 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 360{ "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 361 DT_ATTR_EVOLCMN, DT_VERS_1_0, 362 &dt_idops_func, "int(genunix`kmutex_t *)" }, 363{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 364 DT_ATTR_EVOLCMN, DT_VERS_1_0, 365 &dt_idops_func, "int(genunix`kmutex_t *)" }, 366#else 367{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 368 DT_ATTR_EVOLCMN, DT_VERS_1_0, 369 &dt_idops_func, intmtx_str }, 370{ "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 371 DT_ATTR_EVOLCMN, DT_VERS_1_0, 372 &dt_idops_func, threadmtx_str }, 373{ "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 374 DT_ATTR_EVOLCMN, DT_VERS_1_0, 375 &dt_idops_func, intmtx_str }, 376{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 377 DT_ATTR_EVOLCMN, DT_VERS_1_0, 378 &dt_idops_func, intmtx_str }, 379#endif 380{ "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 381 &dt_idops_func, "uint32_t(uint32_t)" }, 382{ "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 383 &dt_idops_func, "uint64_t(uint64_t)" }, 384{ "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 385 &dt_idops_func, "uint16_t(uint16_t)" }, 386{ "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 387 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 388{ "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 389 &dt_idops_func, "void()" }, 390{ "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 391 &dt_idops_type, "pid_t" }, 392{ "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 393 &dt_idops_type, "pid_t" }, 394{ "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 395 &dt_idops_func, "void(@)" }, 396{ "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 397 &dt_idops_func, "void(@, ...)" }, 398{ "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 399 &dt_idops_func, "void(@, ...)" }, 400{ "printm", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTM, DT_ATTR_STABCMN, DT_VERS_1_0, 401 &dt_idops_func, "void(size_t, uintptr_t *)" }, 402{ "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 403 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 404{ "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 405 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 406{ "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 407 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 408{ "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 409 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 410{ "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 411 DT_ATTR_STABCMN, DT_VERS_1_0, 412 &dt_idops_func, "int(pid_t)" }, 413{ "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 414 DT_ATTR_STABCMN, DT_VERS_1_0, 415 &dt_idops_func, "void(@, ...)" }, 416{ "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 417 &dt_idops_func, "void(int)" }, 418{ "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 419 &dt_idops_func, "int()" }, 420{ "regs", DT_IDENT_ARRAY, 0, DIF_VAR_REGS, DT_ATTR_STABCMN, DT_VERS_1_13, 421 &dt_idops_regs, NULL }, 422{ "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 423 &dt_idops_func, "int(const char *, const char *, [int])" }, 424#ifdef illumos 425{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 426 DT_ATTR_EVOLCMN, DT_VERS_1_0, 427 &dt_idops_func, "int(genunix`krwlock_t *)" }, 428{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 429 DT_ATTR_EVOLCMN, DT_VERS_1_0, 430 &dt_idops_func, "int(genunix`krwlock_t *)" }, 431{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 432 DT_ATTR_EVOLCMN, DT_VERS_1_0, 433 &dt_idops_func, "int(genunix`krwlock_t *)" }, 434#else 435{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 436 DT_ATTR_EVOLCMN, DT_VERS_1_0, 437 &dt_idops_func, rwlock_str }, 438{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 439 DT_ATTR_EVOLCMN, DT_VERS_1_0, 440 &dt_idops_func, rwlock_str }, 441{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 442 DT_ATTR_EVOLCMN, DT_VERS_1_0, 443 &dt_idops_func, rwlock_str }, 444#endif 445{ "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 446 &dt_idops_type, "void" }, 447{ "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 448 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 449{ "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 450 DT_ATTR_STABCMN, DT_VERS_1_0, 451 &dt_idops_func, "void(int)" }, 452{ "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 453 DT_ATTR_STABCMN, DT_VERS_1_0, 454 &dt_idops_func, "int()" }, 455{ "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 456 &dt_idops_func, "stack(...)" }, 457{ "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 458 DT_ATTR_STABCMN, DT_VERS_1_0, 459 &dt_idops_type, "uint32_t" }, 460{ "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 461 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 462{ "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 463 &dt_idops_func, "void()" }, 464{ "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 465 &dt_idops_func, "string(const char *, char)" }, 466{ "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 467 &dt_idops_func, "size_t(const char *)" }, 468{ "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 469 &dt_idops_func, "string(const char *, const char *)" }, 470{ "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 471 &dt_idops_func, "string(const char *, char)" }, 472{ "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 473 &dt_idops_func, "string(const char *, const char *)" }, 474{ "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 475 &dt_idops_func, "string(const char *, const char *)" }, 476{ "strtoll", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOLL, DT_ATTR_STABCMN, DT_VERS_1_11, 477 &dt_idops_func, "int64_t(const char *, [int])" }, 478{ "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 479 &dt_idops_func, "string(const char *, int, [int])" }, 480{ "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 481 &dt_idops_func, "void(@)" }, 482#ifndef illumos 483{ "sx_isexclusive", DT_IDENT_FUNC, 0, DIF_SUBR_SX_ISEXCLUSIVE, 484 DT_ATTR_EVOLCMN, DT_VERS_1_0, 485 &dt_idops_func, sxlock_str }, 486{ "sx_shared_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_SHARED_HELD, 487 DT_ATTR_EVOLCMN, DT_VERS_1_0, 488 &dt_idops_func, sxlock_str }, 489{ "sx_exclusive_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_EXCLUSIVE_HELD, 490 DT_ATTR_EVOLCMN, DT_VERS_1_0, 491 &dt_idops_func, sxlock_str }, 492#endif 493{ "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 494 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 495{ "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 496 &dt_idops_func, "void(@, ...)" }, 497{ "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 498 &dt_idops_type, "void" }, 499{ "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 500 &dt_idops_type, "id_t" }, 501{ "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 502 DT_ATTR_STABCMN, DT_VERS_1_0, 503 &dt_idops_type, "uint64_t" }, 504{ "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 505 &dt_idops_func, "string(const char *)" }, 506{ "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 507 &dt_idops_func, "string(const char *)" }, 508{ "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 509 &dt_idops_func, "void(@)" }, 510{ "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 511 DT_ATTR_STABCMN, DT_VERS_1_0, 512 &dt_idops_func, "void(@, size_t, ...)" }, 513{ "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 514 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 515{ "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 516 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 517{ "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 518 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 519{ "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 520 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 521{ "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 522 &dt_idops_type, "uid_t" }, 523{ "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 524 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 525{ "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 526 &dt_idops_regs, NULL }, 527{ "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 528 &dt_idops_func, "stack(...)" }, 529{ "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 530 DT_ATTR_STABCMN, DT_VERS_1_2, 531 &dt_idops_type, "uint32_t" }, 532{ "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 533 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 534{ "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 535 DT_ATTR_STABCMN, DT_VERS_1_0, 536 &dt_idops_type, "uint64_t" }, 537{ "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 538 DT_ATTR_STABCMN, DT_VERS_1_0, 539 &dt_idops_type, "int64_t" }, 540{ "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 541 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 542 543#ifndef illumos 544{ "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, 545 DT_ATTR_STABCMN, DT_VERS_1_6_3, &dt_idops_type, "int" }, 546#endif 547 548{ NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 549}; 550 551/* 552 * Tables of ILP32 intrinsic integer and floating-point type templates to use 553 * to populate the dynamic "C" CTF type container. 554 */ 555static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 556{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 557{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 558{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 559{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 560{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 561{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 562{ "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 563{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 564{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 565{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 566{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 567{ "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 568{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 569{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 570{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 571{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 572{ "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 573{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 574{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 575{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 576{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 577{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 578{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 579{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 580{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 581{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 582{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 583{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 584{ NULL, { 0, 0, 0 }, 0 } 585}; 586 587/* 588 * Tables of LP64 intrinsic integer and floating-point type templates to use 589 * to populate the dynamic "C" CTF type container. 590 */ 591static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 592{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 593{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 594{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 595{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 596{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 597{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 598{ "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 599{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 600{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 601{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 602{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 603{ "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 604{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 605{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 606{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 607{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 608{ "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 609{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 610{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 611{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 612{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 613{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 614{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 615{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 616{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 617{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 618{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 619{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 620{ NULL, { 0, 0, 0 }, 0 } 621}; 622 623/* 624 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 625 * These aliases ensure that D definitions can use typical <sys/types.h> names. 626 */ 627static const dt_typedef_t _dtrace_typedefs_32[] = { 628{ "char", "int8_t" }, 629{ "short", "int16_t" }, 630{ "int", "int32_t" }, 631{ "long long", "int64_t" }, 632{ "int", "intptr_t" }, 633{ "int", "ssize_t" }, 634{ "unsigned char", "uint8_t" }, 635{ "unsigned short", "uint16_t" }, 636{ "unsigned", "uint32_t" }, 637{ "unsigned long long", "uint64_t" }, 638{ "unsigned char", "uchar_t" }, 639{ "unsigned short", "ushort_t" }, 640{ "unsigned", "uint_t" }, 641{ "unsigned long", "ulong_t" }, 642{ "unsigned long long", "u_longlong_t" }, 643{ "int", "ptrdiff_t" }, 644{ "unsigned", "uintptr_t" }, 645{ "unsigned", "size_t" }, 646{ "long", "id_t" }, 647{ "long", "pid_t" }, 648{ NULL, NULL } 649}; 650 651/* 652 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 653 * These aliases ensure that D definitions can use typical <sys/types.h> names. 654 */ 655static const dt_typedef_t _dtrace_typedefs_64[] = { 656{ "char", "int8_t" }, 657{ "short", "int16_t" }, 658{ "int", "int32_t" }, 659{ "long", "int64_t" }, 660{ "long", "intptr_t" }, 661{ "long", "ssize_t" }, 662{ "unsigned char", "uint8_t" }, 663{ "unsigned short", "uint16_t" }, 664{ "unsigned", "uint32_t" }, 665{ "unsigned long", "uint64_t" }, 666{ "unsigned char", "uchar_t" }, 667{ "unsigned short", "ushort_t" }, 668{ "unsigned", "uint_t" }, 669{ "unsigned long", "ulong_t" }, 670{ "unsigned long long", "u_longlong_t" }, 671{ "long", "ptrdiff_t" }, 672{ "unsigned long", "uintptr_t" }, 673{ "unsigned long", "size_t" }, 674{ "int", "id_t" }, 675{ "int", "pid_t" }, 676{ NULL, NULL } 677}; 678 679/* 680 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 681 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 682 */ 683static const dt_intdesc_t _dtrace_ints_32[] = { 684{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 685{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 686{ "long", NULL, CTF_ERR, 0x7fffffffULL }, 687{ "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 688{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 689{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 690}; 691 692/* 693 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 694 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 695 */ 696static const dt_intdesc_t _dtrace_ints_64[] = { 697{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 698{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 699{ "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 700{ "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 701{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 702{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 703}; 704 705/* 706 * Table of macro variable templates used to populate the macro identifier hash 707 * when a new dtrace client open occurs. Values are set by dtrace_update(). 708 */ 709static const dt_ident_t _dtrace_macros[] = { 710{ "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 711{ "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 712{ "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 713{ "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 714{ "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 715{ "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 716{ "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 717{ "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 718{ "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 719{ "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 720{ "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 721{ NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 722}; 723 724/* 725 * Hard-wired definition string to be compiled and cached every time a new 726 * DTrace library handle is initialized. This string should only be used to 727 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 728 */ 729static const char _dtrace_hardwire[] = "\ 730inline long NULL = 0; \n\ 731#pragma D binding \"1.0\" NULL\n\ 732"; 733 734/* 735 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 736 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 737 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 738 * relying on the fact that when running dtrace(1M), isaexec will invoke the 739 * binary with the same bitness as the kernel, which is what we want by default 740 * when generating our DIF. The user can override the choice using oflags. 741 */ 742static const dtrace_conf_t _dtrace_conf = { 743 DIF_VERSION, /* dtc_difversion */ 744 DIF_DIR_NREGS, /* dtc_difintregs */ 745 DIF_DTR_NREGS, /* dtc_diftupregs */ 746 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 747}; 748 749const dtrace_attribute_t _dtrace_maxattr = { 750 DTRACE_STABILITY_MAX, 751 DTRACE_STABILITY_MAX, 752 DTRACE_CLASS_MAX 753}; 754 755const dtrace_attribute_t _dtrace_defattr = { 756 DTRACE_STABILITY_STABLE, 757 DTRACE_STABILITY_STABLE, 758 DTRACE_CLASS_COMMON 759}; 760 761const dtrace_attribute_t _dtrace_symattr = { 762 DTRACE_STABILITY_PRIVATE, 763 DTRACE_STABILITY_PRIVATE, 764 DTRACE_CLASS_UNKNOWN 765}; 766 767const dtrace_attribute_t _dtrace_typattr = { 768 DTRACE_STABILITY_PRIVATE, 769 DTRACE_STABILITY_PRIVATE, 770 DTRACE_CLASS_UNKNOWN 771}; 772 773const dtrace_attribute_t _dtrace_prvattr = { 774 DTRACE_STABILITY_PRIVATE, 775 DTRACE_STABILITY_PRIVATE, 776 DTRACE_CLASS_UNKNOWN 777}; 778 779const dtrace_pattr_t _dtrace_prvdesc = { 780{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 781{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 782{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 783{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 784{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 785}; 786 787#ifdef illumos 788const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 789const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 790#else 791const char *_dtrace_defcpp = "cpp"; /* default cpp(1) to invoke */ 792const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */ 793const char *_dtrace_defobjcopy = "objcopy"; /* default objcopy(1) to invoke */ 794#endif 795 796const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 797#ifdef illumos 798const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 799#else 800const char *_dtrace_libdir32 = "/usr/lib32/dtrace"; 801const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */ 802#endif 803 804int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 805int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 806uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 807uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 808uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 809uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 810size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 811int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 812 813int _dtrace_debug = 0; /* debug messages enabled (off) */ 814const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 815int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 816 817typedef struct dt_fdlist { 818 int *df_fds; /* array of provider driver file descriptors */ 819 uint_t df_ents; /* number of valid elements in df_fds[] */ 820 uint_t df_size; /* size of df_fds[] */ 821} dt_fdlist_t; 822 823#ifdef illumos 824#pragma init(_dtrace_init) 825#else 826void _dtrace_init(void) __attribute__ ((constructor)); 827#endif 828void 829_dtrace_init(void) 830{ 831 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 832 833 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 834 if (rd_init(_dtrace_rdvers) == RD_OK) 835 break; 836 } 837#if defined(__i386__) 838 /* make long doubles 64 bits -sson */ 839 (void) fpsetprec(FP_PE); 840#endif 841} 842 843static dtrace_hdl_t * 844set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 845{ 846 if (dtp != NULL) 847 dtrace_close(dtp); 848 if (errp != NULL) 849 *errp = err; 850 return (NULL); 851} 852 853static void 854dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 855{ 856 dt_provmod_t *prov; 857 char path[PATH_MAX]; 858 int fd; 859#ifdef illumos 860 struct dirent *dp, *ep; 861 DIR *dirp; 862 863 if ((dirp = opendir(_dtrace_provdir)) == NULL) 864 return; /* failed to open directory; just skip it */ 865 866 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 867 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 868 869 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 870 if (dp->d_name[0] == '.') 871 continue; /* skip "." and ".." */ 872 873 if (dfp->df_ents == dfp->df_size) { 874 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 875 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 876 877 if (fds == NULL) 878 break; /* skip the rest of this directory */ 879 880 dfp->df_fds = fds; 881 dfp->df_size = size; 882 } 883 884 (void) snprintf(path, sizeof (path), "%s/%s", 885 _dtrace_provdir, dp->d_name); 886 887 if ((fd = open(path, O_RDONLY)) == -1) 888 continue; /* failed to open driver; just skip it */ 889 890 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 891 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 892 free(prov); 893 (void) close(fd); 894 break; 895 } 896 897 (void) strcpy(prov->dp_name, dp->d_name); 898 prov->dp_next = *provmod; 899 *provmod = prov; 900 901 dt_dprintf("opened provider %s\n", dp->d_name); 902 dfp->df_fds[dfp->df_ents++] = fd; 903 } 904 905 (void) closedir(dirp); 906#else /* !illumos */ 907 char *p; 908 char *p1; 909 char *p_providers = NULL; 910 int error; 911 size_t len = 0; 912 913 /* 914 * Loop to allocate/reallocate memory for the string of provider 915 * names and retry: 916 */ 917 while(1) { 918 /* 919 * The first time around, get the string length. The next time, 920 * hopefully we've allocated enough memory. 921 */ 922 error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0); 923 if (len == 0) 924 /* No providers? That's strange. Where's dtrace? */ 925 break; 926 else if (error == 0 && p_providers == NULL) { 927 /* 928 * Allocate the initial memory which should be enough 929 * unless another provider loads before we have 930 * time to go back and get the string. 931 */ 932 if ((p_providers = malloc(len)) == NULL) 933 /* How do we report errors here? */ 934 return; 935 } else if (error == -1 && errno == ENOMEM) { 936 /* 937 * The current buffer isn't large enough, so 938 * reallocate it. We normally won't need to do this 939 * because providers aren't being loaded all the time. 940 */ 941 if ((p = realloc(p_providers,len)) == NULL) { 942 free(p_providers); 943 /* How do we report errors here? */ 944 return; 945 } 946 p_providers = p; 947 } else 948 break; 949 } 950 951 /* Check if we got a string of provider names: */ 952 if (error == 0 && len > 0 && p_providers != NULL) { 953 p = p_providers; 954 955 /* 956 * Parse the string containing the space separated 957 * provider names. 958 */ 959 while ((p1 = strsep(&p," ")) != NULL) { 960 if (dfp->df_ents == dfp->df_size) { 961 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 962 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 963 964 if (fds == NULL) 965 break; 966 967 dfp->df_fds = fds; 968 dfp->df_size = size; 969 } 970 971 (void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1); 972 973 if ((fd = open(path, O_RDONLY | O_CLOEXEC)) == -1) 974 continue; /* failed to open driver; just skip it */ 975 976 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 977 (prov->dp_name = malloc(strlen(p1) + 1)) == NULL) { 978 free(prov); 979 (void) close(fd); 980 break; 981 } 982 983 (void) strcpy(prov->dp_name, p1); 984 prov->dp_next = *provmod; 985 *provmod = prov; 986 987 dt_dprintf("opened provider %s\n", p1); 988 dfp->df_fds[dfp->df_ents++] = fd; 989 } 990 } 991 if (p_providers != NULL) 992 free(p_providers); 993#endif /* illumos */ 994} 995 996static void 997dt_provmod_destroy(dt_provmod_t **provmod) 998{ 999 dt_provmod_t *next, *current; 1000 1001 for (current = *provmod; current != NULL; current = next) { 1002 next = current->dp_next; 1003 free(current->dp_name); 1004 free(current); 1005 } 1006 1007 *provmod = NULL; 1008} 1009 1010#ifdef illumos 1011static const char * 1012dt_get_sysinfo(int cmd, char *buf, size_t len) 1013{ 1014 ssize_t rv = sysinfo(cmd, buf, len); 1015 char *p = buf; 1016 1017 if (rv < 0 || rv > len) 1018 (void) snprintf(buf, len, "%s", "Unknown"); 1019 1020 while ((p = strchr(p, '.')) != NULL) 1021 *p++ = '_'; 1022 1023 return (buf); 1024} 1025#endif 1026 1027static dtrace_hdl_t * 1028dt_vopen(int version, int flags, int *errp, 1029 const dtrace_vector_t *vector, void *arg) 1030{ 1031 dtrace_hdl_t *dtp = NULL; 1032 int dtfd = -1, ftfd = -1, fterr = 0; 1033 dtrace_prog_t *pgp; 1034 dt_module_t *dmp; 1035 dt_provmod_t *provmod = NULL; 1036 int i, err; 1037 struct rlimit rl; 1038 1039 const dt_intrinsic_t *dinp; 1040 const dt_typedef_t *dtyp; 1041 const dt_ident_t *idp; 1042 1043 dtrace_typeinfo_t dtt; 1044 ctf_funcinfo_t ctc; 1045 ctf_arinfo_t ctr; 1046 1047 dt_fdlist_t df = { NULL, 0, 0 }; 1048 1049 char isadef[32], utsdef[32]; 1050 char s1[64], s2[64]; 1051 1052 if (version <= 0) 1053 return (set_open_errno(dtp, errp, EINVAL)); 1054 1055 if (version > DTRACE_VERSION) 1056 return (set_open_errno(dtp, errp, EDT_VERSION)); 1057 1058 if (version < DTRACE_VERSION) { 1059 /* 1060 * Currently, increasing the library version number is used to 1061 * denote a binary incompatible change. That is, a consumer 1062 * of the library cannot run on a version of the library with 1063 * a higher DTRACE_VERSION number than the consumer compiled 1064 * against. Once the library API has been committed to, 1065 * backwards binary compatibility will be required; at that 1066 * time, this check should change to return EDT_OVERSION only 1067 * if the specified version number is less than the version 1068 * number at the time of interface commitment. 1069 */ 1070 return (set_open_errno(dtp, errp, EDT_OVERSION)); 1071 } 1072 1073 if (flags & ~DTRACE_O_MASK) 1074 return (set_open_errno(dtp, errp, EINVAL)); 1075 1076 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 1077 return (set_open_errno(dtp, errp, EINVAL)); 1078 1079 if (vector == NULL && arg != NULL) 1080 return (set_open_errno(dtp, errp, EINVAL)); 1081 1082 if (elf_version(EV_CURRENT) == EV_NONE) 1083 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 1084 1085 if (vector != NULL || (flags & DTRACE_O_NODEV)) 1086 goto alloc; /* do not attempt to open dtrace device */ 1087 1088 /* 1089 * Before we get going, crank our limit on file descriptors up to the 1090 * hard limit. This is to allow for the fact that libproc keeps file 1091 * descriptors to objects open for the lifetime of the proc handle; 1092 * without raising our hard limit, we would have an acceptably small 1093 * bound on the number of processes that we could concurrently 1094 * instrument with the pid provider. 1095 */ 1096 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 1097 rl.rlim_cur = rl.rlim_max; 1098 (void) setrlimit(RLIMIT_NOFILE, &rl); 1099 } 1100 1101 /* 1102 * Get the device path of each of the providers. We hold them open 1103 * in the df.df_fds list until we open the DTrace driver itself, 1104 * allowing us to see all of the probes provided on this system. Once 1105 * we have the DTrace driver open, we can safely close all the providers 1106 * now that they have registered with the framework. 1107 */ 1108 dt_provmod_open(&provmod, &df); 1109 1110 dtfd = open("/dev/dtrace/dtrace", O_RDWR | O_CLOEXEC); 1111 err = dtfd == -1 ? errno : 0; /* save errno from opening dtfd */ 1112#if defined(__FreeBSD__) 1113 /* 1114 * Automatically load the 'dtraceall' module if we couldn't open the 1115 * char device. 1116 */ 1117 if (err == ENOENT && modfind("dtraceall") < 0) { 1118 kldload("dtraceall"); /* ignore the error */ 1119#if __SIZEOF_LONG__ == 8 1120 if (modfind("linux64elf") >= 0) 1121 kldload("systrace_linux"); 1122 if (modfind("linuxelf") >= 0) 1123 kldload("systrace_linux32"); 1124#else 1125 if (modfind("linuxelf") >= 0) 1126 kldload("systrace_linux"); 1127#endif 1128 dtfd = open("/dev/dtrace/dtrace", O_RDWR | O_CLOEXEC); 1129 err = errno; 1130 } 1131#endif 1132#ifdef illumos 1133 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 1134#else 1135 ftfd = open("/dev/dtrace/fasttrap", O_RDWR | O_CLOEXEC); 1136#endif 1137 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 1138 1139 while (df.df_ents-- != 0) 1140 (void) close(df.df_fds[df.df_ents]); 1141 1142 free(df.df_fds); 1143 1144 /* 1145 * If we failed to open the dtrace device, fail dtrace_open(). 1146 * We convert some kernel errnos to custom libdtrace errnos to 1147 * improve the resulting message from the usual strerror(). 1148 */ 1149 if (dtfd == -1) { 1150 dt_provmod_destroy(&provmod); 1151 switch (err) { 1152 case ENOENT: 1153 err = EDT_NOENT; 1154 break; 1155 case EBUSY: 1156 err = EDT_BUSY; 1157 break; 1158 case EACCES: 1159 err = EDT_ACCESS; 1160 break; 1161 } 1162 return (set_open_errno(dtp, errp, err)); 1163 } 1164 1165alloc: 1166 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) { 1167 dt_provmod_destroy(&provmod); 1168 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1169 } 1170 1171 bzero(dtp, sizeof (dtrace_hdl_t)); 1172 dtp->dt_oflags = flags; 1173#ifdef illumos 1174 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 1175#else 1176 dtp->dt_prcmode = DT_PROC_STOP_POSTINIT; 1177#endif 1178 dtp->dt_linkmode = DT_LINK_KERNEL; 1179 dtp->dt_linktype = DT_LTYP_ELF; 1180 dtp->dt_xlatemode = DT_XL_STATIC; 1181 dtp->dt_stdcmode = DT_STDC_XA; 1182 dtp->dt_encoding = DT_ENCODING_UNSET; 1183 dtp->dt_version = version; 1184 dtp->dt_fd = dtfd; 1185 dtp->dt_ftfd = ftfd; 1186 dtp->dt_kinstfd = -1; 1187 dtp->dt_fterr = fterr; 1188 dtp->dt_cdefs_fd = -1; 1189 dtp->dt_ddefs_fd = -1; 1190#ifdef illumos 1191 dtp->dt_stdout_fd = -1; 1192#else 1193 dtp->dt_freopen_fp = NULL; 1194#endif 1195 dtp->dt_modbuckets = _dtrace_strbuckets; 1196 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1197#ifdef __FreeBSD__ 1198 dtp->dt_kmods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1199#endif 1200 dtp->dt_provbuckets = _dtrace_strbuckets; 1201 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 1202 dt_proc_init(dtp); 1203 dtp->dt_vmax = DT_VERS_LATEST; 1204 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 1205 dtp->dt_cpp_argv = malloc(sizeof (char *)); 1206 dtp->dt_cpp_argc = 1; 1207 dtp->dt_cpp_args = 1; 1208 dtp->dt_ld_path = strdup(_dtrace_defld); 1209#ifdef __FreeBSD__ 1210 dtp->dt_objcopy_path = strdup(_dtrace_defobjcopy); 1211#endif 1212 dtp->dt_provmod = provmod; 1213 dtp->dt_vector = vector; 1214 dtp->dt_varg = arg; 1215 dt_dof_init(dtp); 1216 (void) uname(&dtp->dt_uts); 1217 1218 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 1219 dtp->dt_procs == NULL || dtp->dt_proc_env == NULL || 1220 dtp->dt_ld_path == NULL || dtp->dt_cpp_path == NULL || 1221#ifdef __FreeBSD__ 1222 dtp->dt_kmods == NULL || 1223 dtp->dt_objcopy_path == NULL || 1224#endif 1225 dtp->dt_cpp_argv == NULL) 1226 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1227 1228 for (i = 0; i < DTRACEOPT_MAX; i++) 1229 dtp->dt_options[i] = DTRACEOPT_UNSET; 1230 1231 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 1232 1233#ifdef illumos 1234 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 1235 (uint_t)(sizeof (void *) * NBBY)); 1236 1237 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 1238 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 1239 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 1240 1241 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 1242 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 1243 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 1244 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 1245 dt_cpp_add_arg(dtp, isadef) == NULL || 1246 dt_cpp_add_arg(dtp, utsdef) == NULL) 1247 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1248#endif 1249 1250 if (flags & DTRACE_O_NODEV) 1251 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1252 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1253 return (set_open_errno(dtp, errp, errno)); 1254 1255 if (flags & DTRACE_O_LP64) 1256 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1257 else if (flags & DTRACE_O_ILP32) 1258 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1259 1260#ifdef __sparc 1261 /* 1262 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1263 * and __sparcv9 is defined if we are doing a 64-bit compile. 1264 */ 1265 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1266 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1267 1268 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1269 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1270 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1271#endif 1272 1273#ifdef illumos 1274#ifdef __x86 1275 /* 1276 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1277 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1278 * they are defined exclusive of one another (see PSARC 2004/619). 1279 */ 1280 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1281 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1282 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1283 } else { 1284 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1285 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1286 } 1287#endif 1288#else 1289#if defined(__amd64__) || defined(__i386__) 1290 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1291 if (dt_cpp_add_arg(dtp, "-m64") == NULL) 1292 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1293 } else { 1294 if (dt_cpp_add_arg(dtp, "-m32") == NULL) 1295 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1296 } 1297#endif 1298#endif 1299 1300 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1301 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1302 1303 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1304 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1305 else 1306 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1307 1308 /* 1309 * On FreeBSD the kernel module name can't be hard-coded. The 1310 * 'kern.bootfile' sysctl value tells us exactly which file is being 1311 * used as the kernel. 1312 */ 1313#ifndef illumos 1314 { 1315 char bootfile[MAXPATHLEN]; 1316 char *p; 1317 int i; 1318 size_t len = sizeof(bootfile); 1319 1320 /* This call shouldn't fail, but use a default just in case. */ 1321 if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0) 1322 strlcpy(bootfile, "kernel", sizeof(bootfile)); 1323 1324 if ((p = strrchr(bootfile, '/')) != NULL) 1325 p++; 1326 else 1327 p = bootfile; 1328 1329 /* 1330 * Format the global variables based on the kernel module name. 1331 */ 1332 snprintf(curthread_str, sizeof(curthread_str), "%s`struct thread *",p); 1333 snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`struct mtx *)",p); 1334 snprintf(threadmtx_str, sizeof(threadmtx_str), "struct thread *(%s`struct mtx *)",p); 1335 snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`struct rwlock *)",p); 1336 snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sx *)",p); 1337 } 1338#endif 1339 1340 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1341 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1342 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1343 1344 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1345 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1346 1347 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1348 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1349 1350 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1351 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1352 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1353 1354 /* 1355 * Populate the dt_macros identifier hash table by hand: we can't use 1356 * the dt_idhash_populate() mechanism because we're not yet compiling 1357 * and dtrace_update() needs to immediately reference these idents. 1358 */ 1359 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1360 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1361 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1362 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1363 idp->di_iarg, 0) == NULL) 1364 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1365 } 1366 1367 /* 1368 * Update the module list using /system/object and load the values for 1369 * the macro variable definitions according to the current process. 1370 */ 1371 dtrace_update(dtp); 1372 1373 /* 1374 * Select the intrinsics and typedefs we want based on the data model. 1375 * The intrinsics are under "C". The typedefs are added under "D". 1376 */ 1377 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1378 dinp = _dtrace_intrinsics_32; 1379 dtyp = _dtrace_typedefs_32; 1380 } else { 1381 dinp = _dtrace_intrinsics_64; 1382 dtyp = _dtrace_typedefs_64; 1383 } 1384 1385 /* 1386 * Create a dynamic CTF container under the "C" scope for intrinsic 1387 * types and types defined in ANSI-C header files that are included. 1388 */ 1389 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1390 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1391 1392 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1393 return (set_open_errno(dtp, errp, EDT_CTF)); 1394 1395 dt_dprintf("created CTF container for %s (%p)\n", 1396 dmp->dm_name, (void *)dmp->dm_ctfp); 1397 1398 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1399 ctf_setspecific(dmp->dm_ctfp, dmp); 1400 1401 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1402 dmp->dm_modid = -1; /* no module ID */ 1403 1404 /* 1405 * Fill the dynamic "C" CTF container with all of the intrinsic 1406 * integer and floating-point types appropriate for this data model. 1407 */ 1408 for (; dinp->din_name != NULL; dinp++) { 1409 if (dinp->din_kind == CTF_K_INTEGER) { 1410 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1411 dinp->din_name, &dinp->din_data); 1412 } else { 1413 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1414 dinp->din_name, &dinp->din_data); 1415 } 1416 1417 if (err == CTF_ERR) { 1418 dt_dprintf("failed to add %s to C container: %s\n", 1419 dinp->din_name, ctf_errmsg( 1420 ctf_errno(dmp->dm_ctfp))); 1421 return (set_open_errno(dtp, errp, EDT_CTF)); 1422 } 1423 } 1424 1425 if (ctf_update(dmp->dm_ctfp) != 0) { 1426 dt_dprintf("failed to update C container: %s\n", 1427 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1428 return (set_open_errno(dtp, errp, EDT_CTF)); 1429 } 1430 1431 /* 1432 * Add intrinsic pointer types that are needed to initialize printf 1433 * format dictionary types (see table in dt_printf.c). 1434 */ 1435 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1436 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1437 1438 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1439 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1440 1441 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1442 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1443 1444 if (ctf_update(dmp->dm_ctfp) != 0) { 1445 dt_dprintf("failed to update C container: %s\n", 1446 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1447 return (set_open_errno(dtp, errp, EDT_CTF)); 1448 } 1449 1450 /* 1451 * Create a dynamic CTF container under the "D" scope for types that 1452 * are defined by the D program itself or on-the-fly by the D compiler. 1453 * The "D" CTF container is a child of the "C" CTF container. 1454 */ 1455 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1456 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1457 1458 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1459 return (set_open_errno(dtp, errp, EDT_CTF)); 1460 1461 dt_dprintf("created CTF container for %s (%p)\n", 1462 dmp->dm_name, (void *)dmp->dm_ctfp); 1463 1464 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1465 ctf_setspecific(dmp->dm_ctfp, dmp); 1466 1467 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1468 dmp->dm_modid = -1; /* no module ID */ 1469 1470 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1471 dt_dprintf("failed to import D parent container: %s\n", 1472 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1473 return (set_open_errno(dtp, errp, EDT_CTF)); 1474 } 1475 1476 /* 1477 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1478 * that we need to use for our D variable and function definitions. 1479 * This ensures that basic inttypes.h names are always available to us. 1480 */ 1481 for (; dtyp->dty_src != NULL; dtyp++) { 1482 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1483 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1484 dtyp->dty_src)) == CTF_ERR) { 1485 dt_dprintf("failed to add typedef %s %s to D " 1486 "container: %s\n", dtyp->dty_src, dtyp->dty_dst, 1487 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1488 return (set_open_errno(dtp, errp, EDT_CTF)); 1489 } 1490 } 1491 1492 /* 1493 * Insert a CTF ID corresponding to a pointer to a type of kind 1494 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1495 * CTF treats all function pointers as "int (*)()" so we only need one. 1496 */ 1497 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1498 ctc.ctc_argc = 0; 1499 ctc.ctc_flags = 0; 1500 1501 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1502 CTF_ADD_ROOT, &ctc, NULL); 1503 1504 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1505 CTF_ADD_ROOT, dtp->dt_type_func); 1506 1507 /* 1508 * We also insert CTF definitions for the special D intrinsic types 1509 * string and <DYN> into the D container. The string type is added 1510 * as a typedef of char[n]. The <DYN> type is an alias for void. 1511 * We compare types to these special CTF ids throughout the compiler. 1512 */ 1513 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1514 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1515 ctr.ctr_nelems = _dtrace_strsize; 1516 1517 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1518 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1519 1520 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1521 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1522 1523 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1524 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1525 1526 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1527 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1528 1529 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1530 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1531 1532 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1533 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1534 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1535 dtp->dt_type_usymaddr == CTF_ERR) { 1536 dt_dprintf("failed to add intrinsic to D container: %s\n", 1537 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1538 return (set_open_errno(dtp, errp, EDT_CTF)); 1539 } 1540 1541 if (ctf_update(dmp->dm_ctfp) != 0) { 1542 dt_dprintf("failed update D container: %s\n", 1543 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1544 return (set_open_errno(dtp, errp, EDT_CTF)); 1545 } 1546 1547 /* 1548 * Initialize the integer description table used to convert integer 1549 * constants to the appropriate types. Refer to the comments above 1550 * dt_node_int() for a complete description of how this table is used. 1551 */ 1552 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1553 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1554 dtp->dt_ints[i].did_name, &dtt) != 0) { 1555 dt_dprintf("failed to lookup integer type %s: %s\n", 1556 dtp->dt_ints[i].did_name, 1557 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1558 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1559 } 1560 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1561 dtp->dt_ints[i].did_type = dtt.dtt_type; 1562 } 1563 1564 /* 1565 * Now that we've created the "C" and "D" containers, move them to the 1566 * start of the module list so that these types and symbols are found 1567 * first (for stability) when iterating through the module list. 1568 */ 1569 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1570 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1571 1572 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1573 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1574 1575 if (dt_pfdict_create(dtp) == -1) 1576 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1577 1578 /* 1579 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1580 * because without /dev/dtrace open, we will not be able to load the 1581 * names and attributes of any providers or probes from the kernel. 1582 */ 1583 if (flags & DTRACE_O_NODEV) 1584 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1585 1586 /* 1587 * Load hard-wired inlines into the definition cache by calling the 1588 * compiler on the raw definition string defined above. 1589 */ 1590 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1591 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1592 dt_dprintf("failed to load hard-wired definitions: %s\n", 1593 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1594 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1595 } 1596 1597 dt_program_destroy(dtp, pgp); 1598 1599 /* 1600 * Set up the default DTrace library path. Once set, the next call to 1601 * dt_compile() will compile all the libraries. We intentionally defer 1602 * library processing to improve overhead for clients that don't ever 1603 * compile, and to provide better error reporting (because the full 1604 * reporting of compiler errors requires dtrace_open() to succeed). 1605 */ 1606#ifdef __FreeBSD__ 1607#ifdef __LP64__ 1608 if ((dtp->dt_oflags & DTRACE_O_ILP32) != 0) { 1609 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir32) != 0) 1610 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1611 } 1612#endif 1613 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1614 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1615#else 1616 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1617 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1618#endif 1619 1620 return (dtp); 1621} 1622 1623dtrace_hdl_t * 1624dtrace_open(int version, int flags, int *errp) 1625{ 1626 return (dt_vopen(version, flags, errp, NULL, NULL)); 1627} 1628 1629dtrace_hdl_t * 1630dtrace_vopen(int version, int flags, int *errp, 1631 const dtrace_vector_t *vector, void *arg) 1632{ 1633 return (dt_vopen(version, flags, errp, vector, arg)); 1634} 1635 1636void 1637dtrace_close(dtrace_hdl_t *dtp) 1638{ 1639 dt_ident_t *idp, *ndp; 1640 dt_module_t *dmp; 1641 dt_provider_t *pvp; 1642 dtrace_prog_t *pgp; 1643 dt_xlator_t *dxp; 1644 dt_dirpath_t *dirp; 1645#ifdef __FreeBSD__ 1646 dt_kmodule_t *dkm; 1647 uint_t h; 1648#endif 1649 int i; 1650 1651 if (dtp->dt_procs != NULL) 1652 dt_proc_fini(dtp); 1653 1654 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1655 dt_program_destroy(dtp, pgp); 1656 1657 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1658 dt_xlator_destroy(dtp, dxp); 1659 1660 dt_free(dtp, dtp->dt_xlatormap); 1661 1662 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1663 ndp = idp->di_next; 1664 dt_ident_destroy(idp); 1665 } 1666 1667 if (dtp->dt_macros != NULL) 1668 dt_idhash_destroy(dtp->dt_macros); 1669 if (dtp->dt_aggs != NULL) 1670 dt_idhash_destroy(dtp->dt_aggs); 1671 if (dtp->dt_globals != NULL) 1672 dt_idhash_destroy(dtp->dt_globals); 1673 if (dtp->dt_tls != NULL) 1674 dt_idhash_destroy(dtp->dt_tls); 1675 1676#ifdef __FreeBSD__ 1677 for (h = 0; h < dtp->dt_modbuckets; h++) 1678 while ((dkm = dtp->dt_kmods[h]) != NULL) { 1679 dtp->dt_kmods[h] = dkm->dkm_next; 1680 free(dkm->dkm_name); 1681 free(dkm); 1682 } 1683#endif 1684 1685 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1686 dt_module_destroy(dtp, dmp); 1687 1688 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1689 dt_provider_destroy(dtp, pvp); 1690 1691 if (dtp->dt_fd != -1) 1692 (void) close(dtp->dt_fd); 1693 if (dtp->dt_ftfd != -1) 1694 (void) close(dtp->dt_ftfd); 1695 if (dtp->dt_kinstfd != -1) 1696 (void) close(dtp->dt_kinstfd); 1697 if (dtp->dt_cdefs_fd != -1) 1698 (void) close(dtp->dt_cdefs_fd); 1699 if (dtp->dt_ddefs_fd != -1) 1700 (void) close(dtp->dt_ddefs_fd); 1701#ifdef illumos 1702 if (dtp->dt_stdout_fd != -1) 1703 (void) close(dtp->dt_stdout_fd); 1704#else 1705 if (dtp->dt_freopen_fp != NULL) 1706 (void) fclose(dtp->dt_freopen_fp); 1707#endif 1708 1709 dt_epid_destroy(dtp); 1710 dt_aggid_destroy(dtp); 1711 dt_format_destroy(dtp); 1712 dt_strdata_destroy(dtp); 1713 dt_buffered_destroy(dtp); 1714 dt_aggregate_destroy(dtp); 1715 dt_pfdict_destroy(dtp); 1716 dt_provmod_destroy(&dtp->dt_provmod); 1717 dt_dof_fini(dtp); 1718 1719 for (i = 1; i < dtp->dt_cpp_argc; i++) 1720 free(dtp->dt_cpp_argv[i]); 1721 1722 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1723 dt_list_delete(&dtp->dt_lib_path, dirp); 1724 free(dirp->dir_path); 1725 free(dirp); 1726 } 1727 1728 free(dtp->dt_cpp_argv); 1729 free(dtp->dt_cpp_path); 1730 free(dtp->dt_ld_path); 1731#ifdef __FreeBSD__ 1732 free(dtp->dt_objcopy_path); 1733#endif 1734 1735 free(dtp->dt_mods); 1736#ifdef __FreeBSD__ 1737 free(dtp->dt_kmods); 1738#endif 1739 free(dtp->dt_provs); 1740 1741 xo_finish(); 1742 free(dtp); 1743} 1744 1745int 1746dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1747{ 1748 dt_provmod_t *prov; 1749 int i = 0; 1750 1751 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1752 if (i < nmods) 1753 mods[i] = prov->dp_name; 1754 } 1755 1756 return (i); 1757} 1758 1759int 1760dtrace_ctlfd(dtrace_hdl_t *dtp) 1761{ 1762 return (dtp->dt_fd); 1763} 1764