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