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#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#ifdef illumos 347{ "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 348 DT_ATTR_STABCMN, DT_VERS_1_0, 349 &dt_idops_func, "size_t(mblk_t *)" }, 350{ "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 351 DT_ATTR_STABCMN, DT_VERS_1_0, 352 &dt_idops_func, "size_t(mblk_t *)" }, 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{ "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 402 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 403{ "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 404 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 405{ "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 406 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 407{ "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 408 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 409{ "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 410 DT_ATTR_STABCMN, DT_VERS_1_0, 411 &dt_idops_func, "int(pid_t)" }, 412{ "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 413 DT_ATTR_STABCMN, DT_VERS_1_0, 414 &dt_idops_func, "void(@, ...)" }, 415{ "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 416 &dt_idops_func, "void(int)" }, 417{ "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 418 &dt_idops_func, "int()" }, 419{ "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 420 &dt_idops_func, "int(const char *, const char *, [int])" }, 421#ifdef illumos 422{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 423 DT_ATTR_EVOLCMN, DT_VERS_1_0, 424 &dt_idops_func, "int(genunix`krwlock_t *)" }, 425{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 426 DT_ATTR_EVOLCMN, DT_VERS_1_0, 427 &dt_idops_func, "int(genunix`krwlock_t *)" }, 428{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 429 DT_ATTR_EVOLCMN, DT_VERS_1_0, 430 &dt_idops_func, "int(genunix`krwlock_t *)" }, 431#else 432{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 433 DT_ATTR_EVOLCMN, DT_VERS_1_0, 434 &dt_idops_func, rwlock_str }, 435{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 436 DT_ATTR_EVOLCMN, DT_VERS_1_0, 437 &dt_idops_func, rwlock_str }, 438{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 439 DT_ATTR_EVOLCMN, DT_VERS_1_0, 440 &dt_idops_func, rwlock_str }, 441#endif 442{ "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 443 &dt_idops_type, "void" }, 444{ "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 445 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 446{ "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 447 DT_ATTR_STABCMN, DT_VERS_1_0, 448 &dt_idops_func, "void(int)" }, 449{ "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 450 DT_ATTR_STABCMN, DT_VERS_1_0, 451 &dt_idops_func, "int()" }, 452{ "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 453 &dt_idops_func, "stack(...)" }, 454{ "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 455 DT_ATTR_STABCMN, DT_VERS_1_0, 456 &dt_idops_type, "uint32_t" }, 457{ "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 458 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 459{ "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 460 &dt_idops_func, "void()" }, 461{ "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 462 &dt_idops_func, "string(const char *, char)" }, 463{ "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 464 &dt_idops_func, "size_t(const char *)" }, 465{ "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 466 &dt_idops_func, "string(const char *, const char *)" }, 467{ "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 468 &dt_idops_func, "string(const char *, char)" }, 469{ "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 470 &dt_idops_func, "string(const char *, const char *)" }, 471{ "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 472 &dt_idops_func, "string(const char *, const char *)" }, 473{ "strtoll", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOLL, DT_ATTR_STABCMN, DT_VERS_1_11, 474 &dt_idops_func, "int64_t(const char *, [int])" }, 475{ "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 476 &dt_idops_func, "string(const char *, int, [int])" }, 477{ "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 478 &dt_idops_func, "void(@)" }, 479#ifndef illumos 480{ "sx_isexclusive", DT_IDENT_FUNC, 0, DIF_SUBR_SX_ISEXCLUSIVE, 481 DT_ATTR_EVOLCMN, DT_VERS_1_0, 482 &dt_idops_func, sxlock_str }, 483{ "sx_shared_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_SHARED_HELD, 484 DT_ATTR_EVOLCMN, DT_VERS_1_0, 485 &dt_idops_func, sxlock_str }, 486{ "sx_exclusive_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_EXCLUSIVE_HELD, 487 DT_ATTR_EVOLCMN, DT_VERS_1_0, 488 &dt_idops_func, sxlock_str }, 489#endif 490{ "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 491 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 492{ "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 493 &dt_idops_func, "void(@, ...)" }, 494{ "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 495 &dt_idops_type, "void" }, 496{ "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 497 &dt_idops_type, "id_t" }, 498{ "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 499 DT_ATTR_STABCMN, DT_VERS_1_0, 500 &dt_idops_type, "uint64_t" }, 501{ "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 502 &dt_idops_func, "string(const char *)" }, 503{ "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 504 &dt_idops_func, "string(const char *)" }, 505{ "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 506 &dt_idops_func, "void(@)" }, 507{ "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 508 DT_ATTR_STABCMN, DT_VERS_1_0, 509 &dt_idops_func, "void(@, size_t, ...)" }, 510{ "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 511 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 512{ "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 513 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 514{ "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 515 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 516{ "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 517 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 518{ "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 519 &dt_idops_type, "uid_t" }, 520{ "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 521 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 522{ "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 523 &dt_idops_regs, NULL }, 524{ "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 525 &dt_idops_func, "stack(...)" }, 526{ "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 527 DT_ATTR_STABCMN, DT_VERS_1_2, 528 &dt_idops_type, "uint32_t" }, 529{ "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 530 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 531{ "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 532 DT_ATTR_STABCMN, DT_VERS_1_0, 533 &dt_idops_type, "uint64_t" }, 534{ "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 535 DT_ATTR_STABCMN, DT_VERS_1_0, 536 &dt_idops_type, "int64_t" }, 537{ "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 538 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 539 540#ifndef illumos 541{ "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, 542 DT_ATTR_STABCMN, DT_VERS_1_6_3, &dt_idops_type, "int" }, 543#endif 544 545{ NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 546}; 547 548/* 549 * Tables of ILP32 intrinsic integer and floating-point type templates to use 550 * to populate the dynamic "C" CTF type container. 551 */ 552static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 553{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 554{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 555{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 556{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 557{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 558{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 559{ "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 560{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 561{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 562{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 563{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 564{ "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 565{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 566{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 567{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 568{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 569{ "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 570{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 571{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 572{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 573{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 574{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 575{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 576{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 577{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 578{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 579{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 580{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 581{ NULL, { 0, 0, 0 }, 0 } 582}; 583 584/* 585 * Tables of LP64 intrinsic integer and floating-point type templates to use 586 * to populate the dynamic "C" CTF type container. 587 */ 588static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 589{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 590{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 591{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 592{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 593{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 594{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 595{ "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 596{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 597{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 598{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 599{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 600{ "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 601{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 602{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 603{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 604{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 605{ "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 606{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 607{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 608{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 609{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 610{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 611{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 612{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 613{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 614{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 615{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 616{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 617{ NULL, { 0, 0, 0 }, 0 } 618}; 619 620/* 621 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 622 * These aliases ensure that D definitions can use typical <sys/types.h> names. 623 */ 624static const dt_typedef_t _dtrace_typedefs_32[] = { 625{ "char", "int8_t" }, 626{ "short", "int16_t" }, 627{ "int", "int32_t" }, 628{ "long long", "int64_t" }, 629{ "int", "intptr_t" }, 630{ "int", "ssize_t" }, 631{ "unsigned char", "uint8_t" }, 632{ "unsigned short", "uint16_t" }, 633{ "unsigned", "uint32_t" }, 634{ "unsigned long long", "uint64_t" }, 635{ "unsigned char", "uchar_t" }, 636{ "unsigned short", "ushort_t" }, 637{ "unsigned", "uint_t" }, 638{ "unsigned long", "ulong_t" }, 639{ "unsigned long long", "u_longlong_t" }, 640{ "int", "ptrdiff_t" }, 641{ "unsigned", "uintptr_t" }, 642{ "unsigned", "size_t" }, 643{ "long", "id_t" }, 644{ "long", "pid_t" }, 645{ NULL, NULL } 646}; 647 648/* 649 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 650 * These aliases ensure that D definitions can use typical <sys/types.h> names. 651 */ 652static const dt_typedef_t _dtrace_typedefs_64[] = { 653{ "char", "int8_t" }, 654{ "short", "int16_t" }, 655{ "int", "int32_t" }, 656{ "long", "int64_t" }, 657{ "long", "intptr_t" }, 658{ "long", "ssize_t" }, 659{ "unsigned char", "uint8_t" }, 660{ "unsigned short", "uint16_t" }, 661{ "unsigned", "uint32_t" }, 662{ "unsigned long", "uint64_t" }, 663{ "unsigned char", "uchar_t" }, 664{ "unsigned short", "ushort_t" }, 665{ "unsigned", "uint_t" }, 666{ "unsigned long", "ulong_t" }, 667{ "unsigned long long", "u_longlong_t" }, 668{ "long", "ptrdiff_t" }, 669{ "unsigned long", "uintptr_t" }, 670{ "unsigned long", "size_t" }, 671{ "int", "id_t" }, 672{ "int", "pid_t" }, 673{ NULL, NULL } 674}; 675 676/* 677 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 678 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 679 */ 680static const dt_intdesc_t _dtrace_ints_32[] = { 681{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 682{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 683{ "long", NULL, CTF_ERR, 0x7fffffffULL }, 684{ "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 685{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 686{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 687}; 688 689/* 690 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 691 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 692 */ 693static const dt_intdesc_t _dtrace_ints_64[] = { 694{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 695{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 696{ "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 697{ "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 698{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 699{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 700}; 701 702/* 703 * Table of macro variable templates used to populate the macro identifier hash 704 * when a new dtrace client open occurs. Values are set by dtrace_update(). 705 */ 706static const dt_ident_t _dtrace_macros[] = { 707{ "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 708{ "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 709{ "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 710{ "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 711{ "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 712{ "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 713{ "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 714{ "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 715{ "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 716{ "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 717{ "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 718{ NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 719}; 720 721/* 722 * Hard-wired definition string to be compiled and cached every time a new 723 * DTrace library handle is initialized. This string should only be used to 724 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 725 */ 726static const char _dtrace_hardwire[] = "\ 727inline long NULL = 0; \n\ 728#pragma D binding \"1.0\" NULL\n\ 729"; 730 731/* 732 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 733 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 734 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 735 * relying on the fact that when running dtrace(1M), isaexec will invoke the 736 * binary with the same bitness as the kernel, which is what we want by default 737 * when generating our DIF. The user can override the choice using oflags. 738 */ 739static const dtrace_conf_t _dtrace_conf = { 740 DIF_VERSION, /* dtc_difversion */ 741 DIF_DIR_NREGS, /* dtc_difintregs */ 742 DIF_DTR_NREGS, /* dtc_diftupregs */ 743 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 744}; 745 746const dtrace_attribute_t _dtrace_maxattr = { 747 DTRACE_STABILITY_MAX, 748 DTRACE_STABILITY_MAX, 749 DTRACE_CLASS_MAX 750}; 751 752const dtrace_attribute_t _dtrace_defattr = { 753 DTRACE_STABILITY_STABLE, 754 DTRACE_STABILITY_STABLE, 755 DTRACE_CLASS_COMMON 756}; 757 758const dtrace_attribute_t _dtrace_symattr = { 759 DTRACE_STABILITY_PRIVATE, 760 DTRACE_STABILITY_PRIVATE, 761 DTRACE_CLASS_UNKNOWN 762}; 763 764const dtrace_attribute_t _dtrace_typattr = { 765 DTRACE_STABILITY_PRIVATE, 766 DTRACE_STABILITY_PRIVATE, 767 DTRACE_CLASS_UNKNOWN 768}; 769 770const dtrace_attribute_t _dtrace_prvattr = { 771 DTRACE_STABILITY_PRIVATE, 772 DTRACE_STABILITY_PRIVATE, 773 DTRACE_CLASS_UNKNOWN 774}; 775 776const dtrace_pattr_t _dtrace_prvdesc = { 777{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 778{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 779{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 780{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 781{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 782}; 783 784#ifdef illumos 785const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 786const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 787#else 788const char *_dtrace_defcpp = "cpp"; /* default cpp(1) to invoke */ 789const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */ 790const char *_dtrace_defobjcopy = "objcopy"; /* default objcopy(1) to invoke */ 791#endif 792 793const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 794#ifdef illumos 795const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 796#else 797const char *_dtrace_libdir32 = "/usr/lib32/dtrace"; 798const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */ 799#endif 800 801int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 802int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 803uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 804uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 805uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 806uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 807size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 808int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 809 810int _dtrace_debug = 0; /* debug messages enabled (off) */ 811const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 812int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 813 814typedef struct dt_fdlist { 815 int *df_fds; /* array of provider driver file descriptors */ 816 uint_t df_ents; /* number of valid elements in df_fds[] */ 817 uint_t df_size; /* size of df_fds[] */ 818} dt_fdlist_t; 819 820#ifdef illumos 821#pragma init(_dtrace_init) 822#else 823void _dtrace_init(void) __attribute__ ((constructor)); 824#endif 825void 826_dtrace_init(void) 827{ 828 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 829 830 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 831 if (rd_init(_dtrace_rdvers) == RD_OK) 832 break; 833 } 834#if defined(__i386__) 835 /* make long doubles 64 bits -sson */ 836 (void) fpsetprec(FP_PE); 837#endif 838} 839 840static dtrace_hdl_t * 841set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 842{ 843 if (dtp != NULL) 844 dtrace_close(dtp); 845 if (errp != NULL) 846 *errp = err; 847 return (NULL); 848} 849 850static void 851dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 852{ 853 dt_provmod_t *prov; 854 char path[PATH_MAX]; 855 int fd; 856#ifdef illumos 857 struct dirent *dp, *ep; 858 DIR *dirp; 859 860 if ((dirp = opendir(_dtrace_provdir)) == NULL) 861 return; /* failed to open directory; just skip it */ 862 863 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 864 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 865 866 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 867 if (dp->d_name[0] == '.') 868 continue; /* skip "." and ".." */ 869 870 if (dfp->df_ents == dfp->df_size) { 871 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 872 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 873 874 if (fds == NULL) 875 break; /* skip the rest of this directory */ 876 877 dfp->df_fds = fds; 878 dfp->df_size = size; 879 } 880 881 (void) snprintf(path, sizeof (path), "%s/%s", 882 _dtrace_provdir, dp->d_name); 883 884 if ((fd = open(path, O_RDONLY)) == -1) 885 continue; /* failed to open driver; just skip it */ 886 887 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 888 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 889 free(prov); 890 (void) close(fd); 891 break; 892 } 893 894 (void) strcpy(prov->dp_name, dp->d_name); 895 prov->dp_next = *provmod; 896 *provmod = prov; 897 898 dt_dprintf("opened provider %s\n", dp->d_name); 899 dfp->df_fds[dfp->df_ents++] = fd; 900 } 901 902 (void) closedir(dirp); 903#else /* !illumos */ 904 char *p; 905 char *p1; 906 char *p_providers = NULL; 907 int error; 908 size_t len = 0; 909 910 /* 911 * Loop to allocate/reallocate memory for the string of provider 912 * names and retry: 913 */ 914 while(1) { 915 /* 916 * The first time around, get the string length. The next time, 917 * hopefully we've allocated enough memory. 918 */ 919 error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0); 920 if (len == 0) 921 /* No providers? That's strange. Where's dtrace? */ 922 break; 923 else if (error == 0 && p_providers == NULL) { 924 /* 925 * Allocate the initial memory which should be enough 926 * unless another provider loads before we have 927 * time to go back and get the string. 928 */ 929 if ((p_providers = malloc(len)) == NULL) 930 /* How do we report errors here? */ 931 return; 932 } else if (error == -1 && errno == ENOMEM) { 933 /* 934 * The current buffer isn't large enough, so 935 * reallocate it. We normally won't need to do this 936 * because providers aren't being loaded all the time. 937 */ 938 if ((p = realloc(p_providers,len)) == NULL) { 939 free(p_providers); 940 /* How do we report errors here? */ 941 return; 942 } 943 p_providers = p; 944 } else 945 break; 946 } 947 948 /* Check if we got a string of provider names: */ 949 if (error == 0 && len > 0 && p_providers != NULL) { 950 p = p_providers; 951 952 /* 953 * Parse the string containing the space separated 954 * provider names. 955 */ 956 while ((p1 = strsep(&p," ")) != NULL) { 957 if (dfp->df_ents == dfp->df_size) { 958 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 959 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 960 961 if (fds == NULL) 962 break; 963 964 dfp->df_fds = fds; 965 dfp->df_size = size; 966 } 967 968 (void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1); 969 970 if ((fd = open(path, O_RDONLY | O_CLOEXEC)) == -1) 971 continue; /* failed to open driver; just skip it */ 972 973 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 974 (prov->dp_name = malloc(strlen(p1) + 1)) == NULL) { 975 free(prov); 976 (void) close(fd); 977 break; 978 } 979 980 (void) strcpy(prov->dp_name, p1); 981 prov->dp_next = *provmod; 982 *provmod = prov; 983 984 dt_dprintf("opened provider %s\n", p1); 985 dfp->df_fds[dfp->df_ents++] = fd; 986 } 987 } 988 if (p_providers != NULL) 989 free(p_providers); 990#endif /* illumos */ 991} 992 993static void 994dt_provmod_destroy(dt_provmod_t **provmod) 995{ 996 dt_provmod_t *next, *current; 997 998 for (current = *provmod; current != NULL; current = next) { 999 next = current->dp_next; 1000 free(current->dp_name); 1001 free(current); 1002 } 1003 1004 *provmod = NULL; 1005} 1006 1007#ifdef illumos 1008static const char * 1009dt_get_sysinfo(int cmd, char *buf, size_t len) 1010{ 1011 ssize_t rv = sysinfo(cmd, buf, len); 1012 char *p = buf; 1013 1014 if (rv < 0 || rv > len) 1015 (void) snprintf(buf, len, "%s", "Unknown"); 1016 1017 while ((p = strchr(p, '.')) != NULL) 1018 *p++ = '_'; 1019 1020 return (buf); 1021} 1022#endif 1023 1024static dtrace_hdl_t * 1025dt_vopen(int version, int flags, int *errp, 1026 const dtrace_vector_t *vector, void *arg) 1027{ 1028 dtrace_hdl_t *dtp = NULL; 1029 int dtfd = -1, ftfd = -1, fterr = 0; 1030 dtrace_prog_t *pgp; 1031 dt_module_t *dmp; 1032 dt_provmod_t *provmod = NULL; 1033 int i, err; 1034 struct rlimit rl; 1035 1036 const dt_intrinsic_t *dinp; 1037 const dt_typedef_t *dtyp; 1038 const dt_ident_t *idp; 1039 1040 dtrace_typeinfo_t dtt; 1041 ctf_funcinfo_t ctc; 1042 ctf_arinfo_t ctr; 1043 1044 dt_fdlist_t df = { NULL, 0, 0 }; 1045 1046 char isadef[32], utsdef[32]; 1047 char s1[64], s2[64]; 1048 1049 if (version <= 0) 1050 return (set_open_errno(dtp, errp, EINVAL)); 1051 1052 if (version > DTRACE_VERSION) 1053 return (set_open_errno(dtp, errp, EDT_VERSION)); 1054 1055 if (version < DTRACE_VERSION) { 1056 /* 1057 * Currently, increasing the library version number is used to 1058 * denote a binary incompatible change. That is, a consumer 1059 * of the library cannot run on a version of the library with 1060 * a higher DTRACE_VERSION number than the consumer compiled 1061 * against. Once the library API has been committed to, 1062 * backwards binary compatibility will be required; at that 1063 * time, this check should change to return EDT_OVERSION only 1064 * if the specified version number is less than the version 1065 * number at the time of interface commitment. 1066 */ 1067 return (set_open_errno(dtp, errp, EDT_OVERSION)); 1068 } 1069 1070 if (flags & ~DTRACE_O_MASK) 1071 return (set_open_errno(dtp, errp, EINVAL)); 1072 1073 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 1074 return (set_open_errno(dtp, errp, EINVAL)); 1075 1076 if (vector == NULL && arg != NULL) 1077 return (set_open_errno(dtp, errp, EINVAL)); 1078 1079 if (elf_version(EV_CURRENT) == EV_NONE) 1080 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 1081 1082 if (vector != NULL || (flags & DTRACE_O_NODEV)) 1083 goto alloc; /* do not attempt to open dtrace device */ 1084 1085 /* 1086 * Before we get going, crank our limit on file descriptors up to the 1087 * hard limit. This is to allow for the fact that libproc keeps file 1088 * descriptors to objects open for the lifetime of the proc handle; 1089 * without raising our hard limit, we would have an acceptably small 1090 * bound on the number of processes that we could concurrently 1091 * instrument with the pid provider. 1092 */ 1093 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 1094 rl.rlim_cur = rl.rlim_max; 1095 (void) setrlimit(RLIMIT_NOFILE, &rl); 1096 } 1097 1098 /* 1099 * Get the device path of each of the providers. We hold them open 1100 * in the df.df_fds list until we open the DTrace driver itself, 1101 * allowing us to see all of the probes provided on this system. Once 1102 * we have the DTrace driver open, we can safely close all the providers 1103 * now that they have registered with the framework. 1104 */ 1105 dt_provmod_open(&provmod, &df); 1106 1107 dtfd = open("/dev/dtrace/dtrace", O_RDWR | O_CLOEXEC); 1108 err = dtfd == -1 ? errno : 0; /* save errno from opening dtfd */ 1109#if defined(__FreeBSD__) 1110 /* 1111 * Automatically load the 'dtraceall' module if we couldn't open the 1112 * char device. 1113 */ 1114 if (err == ENOENT && modfind("dtraceall") < 0) { 1115 kldload("dtraceall"); /* ignore the error */ 1116 dtfd = open("/dev/dtrace/dtrace", O_RDWR | O_CLOEXEC); 1117 err = errno; 1118 } 1119#endif 1120#ifdef illumos 1121 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 1122#else 1123 ftfd = open("/dev/dtrace/fasttrap", O_RDWR | O_CLOEXEC); 1124#endif 1125 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 1126 1127 while (df.df_ents-- != 0) 1128 (void) close(df.df_fds[df.df_ents]); 1129 1130 free(df.df_fds); 1131 1132 /* 1133 * If we failed to open the dtrace device, fail dtrace_open(). 1134 * We convert some kernel errnos to custom libdtrace errnos to 1135 * improve the resulting message from the usual strerror(). 1136 */ 1137 if (dtfd == -1) { 1138 dt_provmod_destroy(&provmod); 1139 switch (err) { 1140 case ENOENT: 1141 err = EDT_NOENT; 1142 break; 1143 case EBUSY: 1144 err = EDT_BUSY; 1145 break; 1146 case EACCES: 1147 err = EDT_ACCESS; 1148 break; 1149 } 1150 return (set_open_errno(dtp, errp, err)); 1151 } 1152 1153alloc: 1154 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) { 1155 dt_provmod_destroy(&provmod); 1156 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1157 } 1158 1159 bzero(dtp, sizeof (dtrace_hdl_t)); 1160 dtp->dt_oflags = flags; 1161#ifdef illumos 1162 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 1163#else 1164 dtp->dt_prcmode = DT_PROC_STOP_POSTINIT; 1165#endif 1166 dtp->dt_linkmode = DT_LINK_KERNEL; 1167 dtp->dt_linktype = DT_LTYP_ELF; 1168 dtp->dt_xlatemode = DT_XL_STATIC; 1169 dtp->dt_stdcmode = DT_STDC_XA; 1170 dtp->dt_encoding = DT_ENCODING_UNSET; 1171 dtp->dt_version = version; 1172 dtp->dt_fd = dtfd; 1173 dtp->dt_ftfd = ftfd; 1174 dtp->dt_fterr = fterr; 1175 dtp->dt_cdefs_fd = -1; 1176 dtp->dt_ddefs_fd = -1; 1177#ifdef illumos 1178 dtp->dt_stdout_fd = -1; 1179#else 1180 dtp->dt_freopen_fp = NULL; 1181#endif 1182 dtp->dt_modbuckets = _dtrace_strbuckets; 1183 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1184#ifdef __FreeBSD__ 1185 dtp->dt_kmods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1186#endif 1187 dtp->dt_provbuckets = _dtrace_strbuckets; 1188 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 1189 dt_proc_init(dtp); 1190 dtp->dt_vmax = DT_VERS_LATEST; 1191 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 1192 dtp->dt_cpp_argv = malloc(sizeof (char *)); 1193 dtp->dt_cpp_argc = 1; 1194 dtp->dt_cpp_args = 1; 1195 dtp->dt_ld_path = strdup(_dtrace_defld); 1196#ifdef __FreeBSD__ 1197 dtp->dt_objcopy_path = strdup(_dtrace_defobjcopy); 1198#endif 1199 dtp->dt_provmod = provmod; 1200 dtp->dt_vector = vector; 1201 dtp->dt_varg = arg; 1202 dt_dof_init(dtp); 1203 (void) uname(&dtp->dt_uts); 1204 1205 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 1206 dtp->dt_procs == NULL || dtp->dt_proc_env == NULL || 1207 dtp->dt_ld_path == NULL || dtp->dt_cpp_path == NULL || 1208#ifdef __FreeBSD__ 1209 dtp->dt_kmods == NULL || 1210 dtp->dt_objcopy_path == NULL || 1211#endif 1212 dtp->dt_cpp_argv == NULL) 1213 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1214 1215 for (i = 0; i < DTRACEOPT_MAX; i++) 1216 dtp->dt_options[i] = DTRACEOPT_UNSET; 1217 1218 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 1219 1220#ifdef illumos 1221 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 1222 (uint_t)(sizeof (void *) * NBBY)); 1223 1224 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 1225 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 1226 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 1227 1228 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 1229 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 1230 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 1231 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 1232 dt_cpp_add_arg(dtp, isadef) == NULL || 1233 dt_cpp_add_arg(dtp, utsdef) == NULL) 1234 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1235#endif 1236 1237 if (flags & DTRACE_O_NODEV) 1238 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1239 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1240 return (set_open_errno(dtp, errp, errno)); 1241 1242 if (flags & DTRACE_O_LP64) 1243 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1244 else if (flags & DTRACE_O_ILP32) 1245 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1246 1247#ifdef __sparc 1248 /* 1249 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1250 * and __sparcv9 is defined if we are doing a 64-bit compile. 1251 */ 1252 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1253 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1254 1255 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1256 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1257 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1258#endif 1259 1260#ifdef illumos 1261#ifdef __x86 1262 /* 1263 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1264 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1265 * they are defined exclusive of one another (see PSARC 2004/619). 1266 */ 1267 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1268 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1269 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1270 } else { 1271 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1272 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1273 } 1274#endif 1275#else 1276#if defined(__amd64__) || defined(__i386__) 1277 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1278 if (dt_cpp_add_arg(dtp, "-m64") == NULL) 1279 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1280 } else { 1281 if (dt_cpp_add_arg(dtp, "-m32") == NULL) 1282 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1283 } 1284#endif 1285#endif 1286 1287 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1288 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1289 1290 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1291 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1292 else 1293 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1294 1295 /* 1296 * On FreeBSD the kernel module name can't be hard-coded. The 1297 * 'kern.bootfile' sysctl value tells us exactly which file is being 1298 * used as the kernel. 1299 */ 1300#ifndef illumos 1301 { 1302 char bootfile[MAXPATHLEN]; 1303 char *p; 1304 int i; 1305 size_t len = sizeof(bootfile); 1306 1307 /* This call shouldn't fail, but use a default just in case. */ 1308 if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0) 1309 strlcpy(bootfile, "kernel", sizeof(bootfile)); 1310 1311 if ((p = strrchr(bootfile, '/')) != NULL) 1312 p++; 1313 else 1314 p = bootfile; 1315 1316 /* 1317 * Format the global variables based on the kernel module name. 1318 */ 1319 snprintf(curthread_str, sizeof(curthread_str), "%s`struct thread *",p); 1320 snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`struct mtx *)",p); 1321 snprintf(threadmtx_str, sizeof(threadmtx_str), "struct thread *(%s`struct mtx *)",p); 1322 snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`struct rwlock *)",p); 1323 snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sx *)",p); 1324 } 1325#endif 1326 1327 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1328 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1329 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1330 1331 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1332 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1333 1334 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1335 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1336 1337 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1338 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1339 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1340 1341 /* 1342 * Populate the dt_macros identifier hash table by hand: we can't use 1343 * the dt_idhash_populate() mechanism because we're not yet compiling 1344 * and dtrace_update() needs to immediately reference these idents. 1345 */ 1346 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1347 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1348 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1349 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1350 idp->di_iarg, 0) == NULL) 1351 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1352 } 1353 1354 /* 1355 * Update the module list using /system/object and load the values for 1356 * the macro variable definitions according to the current process. 1357 */ 1358 dtrace_update(dtp); 1359 1360 /* 1361 * Select the intrinsics and typedefs we want based on the data model. 1362 * The intrinsics are under "C". The typedefs are added under "D". 1363 */ 1364 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1365 dinp = _dtrace_intrinsics_32; 1366 dtyp = _dtrace_typedefs_32; 1367 } else { 1368 dinp = _dtrace_intrinsics_64; 1369 dtyp = _dtrace_typedefs_64; 1370 } 1371 1372 /* 1373 * Create a dynamic CTF container under the "C" scope for intrinsic 1374 * types and types defined in ANSI-C header files that are included. 1375 */ 1376 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1377 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1378 1379 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1380 return (set_open_errno(dtp, errp, EDT_CTF)); 1381 1382 dt_dprintf("created CTF container for %s (%p)\n", 1383 dmp->dm_name, (void *)dmp->dm_ctfp); 1384 1385 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1386 ctf_setspecific(dmp->dm_ctfp, dmp); 1387 1388 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1389 dmp->dm_modid = -1; /* no module ID */ 1390 1391 /* 1392 * Fill the dynamic "C" CTF container with all of the intrinsic 1393 * integer and floating-point types appropriate for this data model. 1394 */ 1395 for (; dinp->din_name != NULL; dinp++) { 1396 if (dinp->din_kind == CTF_K_INTEGER) { 1397 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1398 dinp->din_name, &dinp->din_data); 1399 } else { 1400 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1401 dinp->din_name, &dinp->din_data); 1402 } 1403 1404 if (err == CTF_ERR) { 1405 dt_dprintf("failed to add %s to C container: %s\n", 1406 dinp->din_name, ctf_errmsg( 1407 ctf_errno(dmp->dm_ctfp))); 1408 return (set_open_errno(dtp, errp, EDT_CTF)); 1409 } 1410 } 1411 1412 if (ctf_update(dmp->dm_ctfp) != 0) { 1413 dt_dprintf("failed to update C container: %s\n", 1414 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1415 return (set_open_errno(dtp, errp, EDT_CTF)); 1416 } 1417 1418 /* 1419 * Add intrinsic pointer types that are needed to initialize printf 1420 * format dictionary types (see table in dt_printf.c). 1421 */ 1422 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1423 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1424 1425 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1426 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1427 1428 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1429 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1430 1431 if (ctf_update(dmp->dm_ctfp) != 0) { 1432 dt_dprintf("failed to update C container: %s\n", 1433 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1434 return (set_open_errno(dtp, errp, EDT_CTF)); 1435 } 1436 1437 /* 1438 * Create a dynamic CTF container under the "D" scope for types that 1439 * are defined by the D program itself or on-the-fly by the D compiler. 1440 * The "D" CTF container is a child of the "C" CTF container. 1441 */ 1442 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1443 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1444 1445 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1446 return (set_open_errno(dtp, errp, EDT_CTF)); 1447 1448 dt_dprintf("created CTF container for %s (%p)\n", 1449 dmp->dm_name, (void *)dmp->dm_ctfp); 1450 1451 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1452 ctf_setspecific(dmp->dm_ctfp, dmp); 1453 1454 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1455 dmp->dm_modid = -1; /* no module ID */ 1456 1457 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1458 dt_dprintf("failed to import D parent container: %s\n", 1459 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1460 return (set_open_errno(dtp, errp, EDT_CTF)); 1461 } 1462 1463 /* 1464 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1465 * that we need to use for our D variable and function definitions. 1466 * This ensures that basic inttypes.h names are always available to us. 1467 */ 1468 for (; dtyp->dty_src != NULL; dtyp++) { 1469 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1470 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1471 dtyp->dty_src)) == CTF_ERR) { 1472 dt_dprintf("failed to add typedef %s %s to D " 1473 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1474 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1475 return (set_open_errno(dtp, errp, EDT_CTF)); 1476 } 1477 } 1478 1479 /* 1480 * Insert a CTF ID corresponding to a pointer to a type of kind 1481 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1482 * CTF treats all function pointers as "int (*)()" so we only need one. 1483 */ 1484 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1485 ctc.ctc_argc = 0; 1486 ctc.ctc_flags = 0; 1487 1488 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1489 CTF_ADD_ROOT, &ctc, NULL); 1490 1491 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1492 CTF_ADD_ROOT, dtp->dt_type_func); 1493 1494 /* 1495 * We also insert CTF definitions for the special D intrinsic types 1496 * string and <DYN> into the D container. The string type is added 1497 * as a typedef of char[n]. The <DYN> type is an alias for void. 1498 * We compare types to these special CTF ids throughout the compiler. 1499 */ 1500 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1501 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1502 ctr.ctr_nelems = _dtrace_strsize; 1503 1504 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1505 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1506 1507 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1508 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1509 1510 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1511 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1512 1513 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1514 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1515 1516 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1517 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1518 1519 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1520 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1521 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1522 dtp->dt_type_usymaddr == CTF_ERR) { 1523 dt_dprintf("failed to add intrinsic to D container: %s\n", 1524 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1525 return (set_open_errno(dtp, errp, EDT_CTF)); 1526 } 1527 1528 if (ctf_update(dmp->dm_ctfp) != 0) { 1529 dt_dprintf("failed update D container: %s\n", 1530 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1531 return (set_open_errno(dtp, errp, EDT_CTF)); 1532 } 1533 1534 /* 1535 * Initialize the integer description table used to convert integer 1536 * constants to the appropriate types. Refer to the comments above 1537 * dt_node_int() for a complete description of how this table is used. 1538 */ 1539 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1540 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1541 dtp->dt_ints[i].did_name, &dtt) != 0) { 1542 dt_dprintf("failed to lookup integer type %s: %s\n", 1543 dtp->dt_ints[i].did_name, 1544 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1545 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1546 } 1547 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1548 dtp->dt_ints[i].did_type = dtt.dtt_type; 1549 } 1550 1551 /* 1552 * Now that we've created the "C" and "D" containers, move them to the 1553 * start of the module list so that these types and symbols are found 1554 * first (for stability) when iterating through the module list. 1555 */ 1556 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1557 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1558 1559 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1560 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1561 1562 if (dt_pfdict_create(dtp) == -1) 1563 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1564 1565 /* 1566 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1567 * because without /dev/dtrace open, we will not be able to load the 1568 * names and attributes of any providers or probes from the kernel. 1569 */ 1570 if (flags & DTRACE_O_NODEV) 1571 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1572 1573 /* 1574 * Load hard-wired inlines into the definition cache by calling the 1575 * compiler on the raw definition string defined above. 1576 */ 1577 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1578 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1579 dt_dprintf("failed to load hard-wired definitions: %s\n", 1580 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1581 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1582 } 1583 1584 dt_program_destroy(dtp, pgp); 1585 1586 /* 1587 * Set up the default DTrace library path. Once set, the next call to 1588 * dt_compile() will compile all the libraries. We intentionally defer 1589 * library processing to improve overhead for clients that don't ever 1590 * compile, and to provide better error reporting (because the full 1591 * reporting of compiler errors requires dtrace_open() to succeed). 1592 */ 1593#ifdef __FreeBSD__ 1594#ifdef __LP64__ 1595 if ((dtp->dt_oflags & DTRACE_O_ILP32) != 0) { 1596 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir32) != 0) 1597 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1598 } 1599#endif 1600 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1601 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1602#else 1603 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1604 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1605#endif 1606 1607 return (dtp); 1608} 1609 1610dtrace_hdl_t * 1611dtrace_open(int version, int flags, int *errp) 1612{ 1613 return (dt_vopen(version, flags, errp, NULL, NULL)); 1614} 1615 1616dtrace_hdl_t * 1617dtrace_vopen(int version, int flags, int *errp, 1618 const dtrace_vector_t *vector, void *arg) 1619{ 1620 return (dt_vopen(version, flags, errp, vector, arg)); 1621} 1622 1623void 1624dtrace_close(dtrace_hdl_t *dtp) 1625{ 1626 dt_ident_t *idp, *ndp; 1627 dt_module_t *dmp; 1628 dt_provider_t *pvp; 1629 dtrace_prog_t *pgp; 1630 dt_xlator_t *dxp; 1631 dt_dirpath_t *dirp; 1632#ifdef __FreeBSD__ 1633 dt_kmodule_t *dkm; 1634 uint_t h; 1635#endif 1636 int i; 1637 1638 if (dtp->dt_procs != NULL) 1639 dt_proc_fini(dtp); 1640 1641 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1642 dt_program_destroy(dtp, pgp); 1643 1644 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1645 dt_xlator_destroy(dtp, dxp); 1646 1647 dt_free(dtp, dtp->dt_xlatormap); 1648 1649 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1650 ndp = idp->di_next; 1651 dt_ident_destroy(idp); 1652 } 1653 1654 if (dtp->dt_macros != NULL) 1655 dt_idhash_destroy(dtp->dt_macros); 1656 if (dtp->dt_aggs != NULL) 1657 dt_idhash_destroy(dtp->dt_aggs); 1658 if (dtp->dt_globals != NULL) 1659 dt_idhash_destroy(dtp->dt_globals); 1660 if (dtp->dt_tls != NULL) 1661 dt_idhash_destroy(dtp->dt_tls); 1662 1663#ifdef __FreeBSD__ 1664 for (h = 0; h < dtp->dt_modbuckets; h++) 1665 while ((dkm = dtp->dt_kmods[h]) != NULL) { 1666 dtp->dt_kmods[h] = dkm->dkm_next; 1667 free(dkm->dkm_name); 1668 free(dkm); 1669 } 1670#endif 1671 1672 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1673 dt_module_destroy(dtp, dmp); 1674 1675 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1676 dt_provider_destroy(dtp, pvp); 1677 1678 if (dtp->dt_fd != -1) 1679 (void) close(dtp->dt_fd); 1680 if (dtp->dt_ftfd != -1) 1681 (void) close(dtp->dt_ftfd); 1682 if (dtp->dt_cdefs_fd != -1) 1683 (void) close(dtp->dt_cdefs_fd); 1684 if (dtp->dt_ddefs_fd != -1) 1685 (void) close(dtp->dt_ddefs_fd); 1686#ifdef illumos 1687 if (dtp->dt_stdout_fd != -1) 1688 (void) close(dtp->dt_stdout_fd); 1689#else 1690 if (dtp->dt_freopen_fp != NULL) 1691 (void) fclose(dtp->dt_freopen_fp); 1692#endif 1693 1694 dt_epid_destroy(dtp); 1695 dt_aggid_destroy(dtp); 1696 dt_format_destroy(dtp); 1697 dt_strdata_destroy(dtp); 1698 dt_buffered_destroy(dtp); 1699 dt_aggregate_destroy(dtp); 1700 dt_pfdict_destroy(dtp); 1701 dt_provmod_destroy(&dtp->dt_provmod); 1702 dt_dof_fini(dtp); 1703 1704 for (i = 1; i < dtp->dt_cpp_argc; i++) 1705 free(dtp->dt_cpp_argv[i]); 1706 1707 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1708 dt_list_delete(&dtp->dt_lib_path, dirp); 1709 free(dirp->dir_path); 1710 free(dirp); 1711 } 1712 1713 free(dtp->dt_cpp_argv); 1714 free(dtp->dt_cpp_path); 1715 free(dtp->dt_ld_path); 1716#ifdef __FreeBSD__ 1717 free(dtp->dt_objcopy_path); 1718#endif 1719 1720 free(dtp->dt_mods); 1721#ifdef __FreeBSD__ 1722 free(dtp->dt_kmods); 1723#endif 1724 free(dtp->dt_provs); 1725 free(dtp); 1726} 1727 1728int 1729dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1730{ 1731 dt_provmod_t *prov; 1732 int i = 0; 1733 1734 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1735 if (i < nmods) 1736 mods[i] = prov->dp_name; 1737 } 1738 1739 return (i); 1740} 1741 1742int 1743dtrace_ctlfd(dtrace_hdl_t *dtp) 1744{ 1745 return (dtp->dt_fd); 1746} 1747