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) 2011, Joyent, Inc. All rights reserved. 25 * Copyright (c) 2012 by Delphix. All rights reserved. 26 */ 27 28#include <sys/types.h> 29#if defined(sun) 30#include <sys/modctl.h> 31#include <sys/systeminfo.h> 32#endif 33#include <sys/resource.h> 34 35#include <libelf.h> 36#include <strings.h> 37#if defined(sun) 38#include <alloca.h> 39#endif 40#include <limits.h> 41#include <unistd.h> 42#include <stdlib.h> 43#include <stdio.h> 44#include <fcntl.h> 45#include <errno.h> 46#include <assert.h> 47 48#define _POSIX_PTHREAD_SEMANTICS 49#include <dirent.h> 50#undef _POSIX_PTHREAD_SEMANTICS 51 52#include <dt_impl.h> 53#include <dt_program.h> 54#include <dt_module.h> 55#include <dt_printf.h> 56#include <dt_string.h> 57#include <dt_provider.h> 58#if !defined(sun) 59#include <sys/sysctl.h> 60#include <string.h> 61#endif 62#if defined(__i386__) 63#include <ieeefp.h> 64#endif 65 66/* 67 * Stability and versioning definitions. These #defines are used in the tables 68 * of identifiers below to fill in the attribute and version fields associated 69 * with each identifier. The DT_ATTR_* macros are a convenience to permit more 70 * concise declarations of common attributes such as Stable/Stable/Common. The 71 * DT_VERS_* macros declare the encoded integer values of all versions used so 72 * far. DT_VERS_LATEST must correspond to the latest version value among all 73 * versions exported by the D compiler. DT_VERS_STRING must be an ASCII string 74 * that contains DT_VERS_LATEST within it along with any suffixes (e.g. Beta). 75 * You must update DT_VERS_LATEST and DT_VERS_STRING when adding a new version, 76 * and then add the new version to the _dtrace_versions[] array declared below. 77 * Refer to the Solaris Dynamic Tracing Guide Stability and Versioning chapters 78 * respectively for an explanation of these DTrace features and their values. 79 * 80 * NOTE: Although the DTrace versioning scheme supports the labeling and 81 * introduction of incompatible changes (e.g. dropping an interface in a 82 * major release), the libdtrace code does not currently support this. 83 * All versions are assumed to strictly inherit from one another. If 84 * we ever need to provide divergent interfaces, this will need work. 85 */ 86#define DT_ATTR_STABCMN { DTRACE_STABILITY_STABLE, \ 87 DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON } 88 89#define DT_ATTR_EVOLCMN { DTRACE_STABILITY_EVOLVING, \ 90 DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON \ 91} 92 93/* 94 * The version number should be increased for every customer visible release 95 * of DTrace. The major number should be incremented when a fundamental 96 * change has been made that would affect all consumers, and would reflect 97 * sweeping changes to DTrace or the D language. The minor number should be 98 * incremented when a change is introduced that could break scripts that had 99 * previously worked; for example, adding a new built-in variable could break 100 * a script which was already using that identifier. The micro number should 101 * be changed when introducing functionality changes or major bug fixes that 102 * do not affect backward compatibility -- this is merely to make capabilities 103 * easily determined from the version number. Minor bugs do not require any 104 * modification to the version number. 105 */ 106#define DT_VERS_1_0 DT_VERSION_NUMBER(1, 0, 0) 107#define DT_VERS_1_1 DT_VERSION_NUMBER(1, 1, 0) 108#define DT_VERS_1_2 DT_VERSION_NUMBER(1, 2, 0) 109#define DT_VERS_1_2_1 DT_VERSION_NUMBER(1, 2, 1) 110#define DT_VERS_1_2_2 DT_VERSION_NUMBER(1, 2, 2) 111#define DT_VERS_1_3 DT_VERSION_NUMBER(1, 3, 0) 112#define DT_VERS_1_4 DT_VERSION_NUMBER(1, 4, 0) 113#define DT_VERS_1_4_1 DT_VERSION_NUMBER(1, 4, 1) 114#define DT_VERS_1_5 DT_VERSION_NUMBER(1, 5, 0) 115#define DT_VERS_1_6 DT_VERSION_NUMBER(1, 6, 0) 116#define DT_VERS_1_6_1 DT_VERSION_NUMBER(1, 6, 1) 117#define DT_VERS_1_6_2 DT_VERSION_NUMBER(1, 6, 2) 118#define DT_VERS_1_6_3 DT_VERSION_NUMBER(1, 6, 3) 119#define DT_VERS_1_7 DT_VERSION_NUMBER(1, 7, 0) 120#define DT_VERS_1_7_1 DT_VERSION_NUMBER(1, 7, 1) 121#define DT_VERS_1_8 DT_VERSION_NUMBER(1, 8, 0) 122#define DT_VERS_1_8_1 DT_VERSION_NUMBER(1, 8, 1) 123#define DT_VERS_1_9 DT_VERSION_NUMBER(1, 9, 0) 124#define DT_VERS_1_9_1 DT_VERSION_NUMBER(1, 9, 1) 125#define DT_VERS_LATEST DT_VERS_1_9_1 126#define DT_VERS_STRING "Sun D 1.9.1" 127 128const dt_version_t _dtrace_versions[] = { 129 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 130 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 131 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 132 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 133 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 134 DT_VERS_1_3, /* D API 1.3 Solaris Express 10/06 */ 135 DT_VERS_1_4, /* D API 1.4 Solaris Express 2/07 */ 136 DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */ 137 DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */ 138 DT_VERS_1_6, /* D API 1.6 */ 139 DT_VERS_1_6_1, /* D API 1.6.1 */ 140 DT_VERS_1_6_2, /* D API 1.6.2 */ 141 DT_VERS_1_6_3, /* D API 1.6.3 */ 142 DT_VERS_1_7, /* D API 1.7 */ 143 DT_VERS_1_7_1, /* D API 1.7.1 */ 144 DT_VERS_1_8, /* D API 1.8 */ 145 DT_VERS_1_8_1, /* D API 1.8.1 */ 146 DT_VERS_1_9, /* D API 1.9 */ 147 DT_VERS_1_9_1, /* D API 1.9.1 */ 148 0 149}; 150 151/* 152 * Global variables that are formatted on FreeBSD based on the kernel file name. 153 */ 154#if !defined(sun) 155static char curthread_str[MAXPATHLEN]; 156static char intmtx_str[MAXPATHLEN]; 157static char threadmtx_str[MAXPATHLEN]; 158static char rwlock_str[MAXPATHLEN]; 159static char sxlock_str[MAXPATHLEN]; 160#endif 161 162/* 163 * Table of global identifiers. This is used to populate the global identifier 164 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 165 * The global identifiers that represent functions use the dt_idops_func ops 166 * and specify the private data pointer as a prototype string which is parsed 167 * when the identifier is first encountered. These prototypes look like ANSI 168 * C function prototypes except that the special symbol "@" can be used as a 169 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 170 * The standard "..." notation can also be used to represent varargs. An empty 171 * parameter list is taken to mean void (that is, no arguments are permitted). 172 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 173 * argument. 174 */ 175static const dt_ident_t _dtrace_globals[] = { 176{ "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 177 &dt_idops_func, "void *(size_t)" }, 178{ "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 179 &dt_idops_type, "int64_t" }, 180{ "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 181 &dt_idops_type, "int64_t" }, 182{ "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 183 &dt_idops_type, "int64_t" }, 184{ "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 185 &dt_idops_type, "int64_t" }, 186{ "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 187 &dt_idops_type, "int64_t" }, 188{ "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 189 &dt_idops_type, "int64_t" }, 190{ "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 191 &dt_idops_type, "int64_t" }, 192{ "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 193 &dt_idops_type, "int64_t" }, 194{ "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 195 &dt_idops_type, "int64_t" }, 196{ "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 197 &dt_idops_type, "int64_t" }, 198{ "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 199 &dt_idops_args, NULL }, 200{ "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 201 &dt_idops_func, "void(@)" }, 202{ "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 203 &dt_idops_func, "string(const char *)" }, 204{ "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 205 &dt_idops_func, "void(void *, void *, size_t)" }, 206{ "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 207 DT_ATTR_STABCMN, DT_VERS_1_0, 208 &dt_idops_func, "void()" }, 209{ "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 210 &dt_idops_type, "uintptr_t" }, 211{ "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 212 &dt_idops_func, "void(int)" }, 213{ "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 214 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 215{ "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 216 &dt_idops_func, "void(...)" }, 217{ "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 218 &dt_idops_func, "void(int)" }, 219{ "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 220 &dt_idops_func, "void *(uintptr_t, size_t)" }, 221{ "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 222 DT_ATTR_STABCMN, DT_VERS_1_0, 223 &dt_idops_func, "string(uintptr_t, [size_t])" }, 224{ "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 225 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 226{ "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 227 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 228{ "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 229 DT_ATTR_STABCMN, DT_VERS_1_0, 230 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 231{ "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 232 &dt_idops_func, "void()" }, 233{ "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 234 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 235 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 236#if defined(sun) 237 &dt_idops_type, "genunix`kthread_t *" }, 238#else 239 &dt_idops_type, curthread_str }, 240#endif 241{ "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 242 DT_ATTR_EVOLCMN, DT_VERS_1_0, 243 &dt_idops_func, "string(void *, int64_t)" }, 244{ "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 245 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 246{ "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 247 &dt_idops_func, "string(const char *)" }, 248{ "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 249 &dt_idops_func, "void(int)" }, 250{ "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 251 &dt_idops_type, "uint_t" }, 252{ "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 253 &dt_idops_type, "int" }, 254{ "execargs", DT_IDENT_SCALAR, 0, DIF_VAR_EXECARGS, 255 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 256{ "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 257 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 258{ "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 259 &dt_idops_func, "void(int)" }, 260{ "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 261 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 262{ "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 263 DT_VERS_1_0, &dt_idops_func, "void()" }, 264{ "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 265 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 266{ "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 267 DT_ATTR_EVOLCMN, DT_VERS_1_0, 268 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 269{ "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 270 DT_ATTR_EVOLCMN, DT_VERS_1_0, 271 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 272{ "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 273 &dt_idops_func, "uint32_t(uint32_t)" }, 274{ "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 275 &dt_idops_func, "uint64_t(uint64_t)" }, 276{ "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 277 &dt_idops_func, "uint16_t(uint16_t)" }, 278{ "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 279 &dt_idops_type, "gid_t" }, 280{ "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 281 &dt_idops_type, "uint_t" }, 282{ "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 283 &dt_idops_func, "int(const char *, const char *, [int])" }, 284{ "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 285#if defined(sun) 286 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 287#else 288 DT_VERS_1_5, &dt_idops_func, "string(in_addr_t *)" }, 289#endif 290{ "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 291#if defined(sun) 292 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 293#else 294 DT_VERS_1_5, &dt_idops_func, "string(struct in6_addr *)" }, 295#endif 296{ "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 297 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 298{ "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 299 &dt_idops_type, "uint_t" }, 300{ "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 301 &dt_idops_func, "stack(...)" }, 302{ "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 303 &dt_idops_func, "string(int64_t, [int])" }, 304{ "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 305 DT_VERS_1_7, &dt_idops_func, 306 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 307{ "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 308 DT_ATTR_STABCMN, DT_VERS_1_0, 309 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 310{ "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 311 &dt_idops_func, "void(@)" }, 312{ "memref", DT_IDENT_FUNC, 0, DIF_SUBR_MEMREF, DT_ATTR_STABCMN, DT_VERS_1_1, 313 &dt_idops_func, "uintptr_t *(void *, size_t)" }, 314{ "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 315 &dt_idops_func, "void(@)" }, 316{ "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 317 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 318{ "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 319 DT_ATTR_STABCMN, DT_VERS_1_0, 320 &dt_idops_func, "size_t(mblk_t *)" }, 321{ "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 322 DT_ATTR_STABCMN, DT_VERS_1_0, 323 &dt_idops_func, "size_t(mblk_t *)" }, 324#if defined(sun) 325{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 326 DT_ATTR_EVOLCMN, DT_VERS_1_0, 327 &dt_idops_func, "int(genunix`kmutex_t *)" }, 328{ "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 329 DT_ATTR_EVOLCMN, DT_VERS_1_0, 330 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 331{ "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 332 DT_ATTR_EVOLCMN, DT_VERS_1_0, 333 &dt_idops_func, "int(genunix`kmutex_t *)" }, 334{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 335 DT_ATTR_EVOLCMN, DT_VERS_1_0, 336 &dt_idops_func, "int(genunix`kmutex_t *)" }, 337#else 338{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 339 DT_ATTR_EVOLCMN, DT_VERS_1_0, 340 &dt_idops_func, intmtx_str }, 341{ "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 342 DT_ATTR_EVOLCMN, DT_VERS_1_0, 343 &dt_idops_func, threadmtx_str }, 344{ "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 345 DT_ATTR_EVOLCMN, DT_VERS_1_0, 346 &dt_idops_func, intmtx_str }, 347{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 348 DT_ATTR_EVOLCMN, DT_VERS_1_0, 349 &dt_idops_func, intmtx_str }, 350#endif 351{ "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 352 &dt_idops_func, "uint32_t(uint32_t)" }, 353{ "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 354 &dt_idops_func, "uint64_t(uint64_t)" }, 355{ "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 356 &dt_idops_func, "uint16_t(uint16_t)" }, 357{ "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 358 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 359{ "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 360 &dt_idops_func, "void()" }, 361{ "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 362 &dt_idops_type, "pid_t" }, 363{ "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 364 &dt_idops_type, "pid_t" }, 365{ "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 366 &dt_idops_func, "void(@)" }, 367{ "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 368 &dt_idops_func, "void(@, ...)" }, 369{ "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 370 &dt_idops_func, "void(@, ...)" }, 371{ "printm", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTM, DT_ATTR_STABCMN, DT_VERS_1_0, 372 &dt_idops_func, "void(size_t, uintptr_t *)" }, 373{ "printt", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTT, DT_ATTR_STABCMN, DT_VERS_1_0, 374 &dt_idops_func, "void(size_t, uintptr_t *)" }, 375{ "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 376 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 377{ "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 378 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 379{ "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 380 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 381{ "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 382 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 383{ "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 384 DT_ATTR_STABCMN, DT_VERS_1_0, 385 &dt_idops_func, "int(pid_t)" }, 386{ "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 387 DT_ATTR_STABCMN, DT_VERS_1_0, 388 &dt_idops_func, "void(@, ...)" }, 389{ "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 390 &dt_idops_func, "void(int)" }, 391{ "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 392 &dt_idops_func, "int()" }, 393{ "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 394 &dt_idops_func, "int(const char *, const char *, [int])" }, 395#if defined(sun) 396{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 397 DT_ATTR_EVOLCMN, DT_VERS_1_0, 398 &dt_idops_func, "int(genunix`krwlock_t *)" }, 399{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 400 DT_ATTR_EVOLCMN, DT_VERS_1_0, 401 &dt_idops_func, "int(genunix`krwlock_t *)" }, 402{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 403 DT_ATTR_EVOLCMN, DT_VERS_1_0, 404 &dt_idops_func, "int(genunix`krwlock_t *)" }, 405#else 406{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 407 DT_ATTR_EVOLCMN, DT_VERS_1_0, 408 &dt_idops_func, rwlock_str }, 409{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 410 DT_ATTR_EVOLCMN, DT_VERS_1_0, 411 &dt_idops_func, rwlock_str }, 412{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 413 DT_ATTR_EVOLCMN, DT_VERS_1_0, 414 &dt_idops_func, rwlock_str }, 415#endif 416{ "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 417 &dt_idops_type, "void" }, 418{ "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 419 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 420{ "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 421 DT_ATTR_STABCMN, DT_VERS_1_0, 422 &dt_idops_func, "void(int)" }, 423{ "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 424 DT_ATTR_STABCMN, DT_VERS_1_0, 425 &dt_idops_func, "int()" }, 426{ "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 427 &dt_idops_func, "stack(...)" }, 428{ "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 429 DT_ATTR_STABCMN, DT_VERS_1_0, 430 &dt_idops_type, "uint32_t" }, 431{ "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 432 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 433{ "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 434 &dt_idops_func, "void()" }, 435{ "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 436 &dt_idops_func, "string(const char *, char)" }, 437{ "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 438 &dt_idops_func, "size_t(const char *)" }, 439{ "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 440 &dt_idops_func, "string(const char *, const char *)" }, 441{ "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 442 &dt_idops_func, "string(const char *, char)" }, 443{ "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 444 &dt_idops_func, "string(const char *, const char *)" }, 445{ "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 446 &dt_idops_func, "string(const char *, const char *)" }, 447{ "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 448 &dt_idops_func, "string(const char *, int, [int])" }, 449{ "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 450 &dt_idops_func, "void(@)" }, 451#if !defined(sun) 452{ "sx_isexclusive", DT_IDENT_FUNC, 0, DIF_SUBR_SX_ISEXCLUSIVE, 453 DT_ATTR_EVOLCMN, DT_VERS_1_0, 454 &dt_idops_func, sxlock_str }, 455{ "sx_shared_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_SHARED_HELD, 456 DT_ATTR_EVOLCMN, DT_VERS_1_0, 457 &dt_idops_func, sxlock_str }, 458{ "sx_exclusive_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_EXCLUSIVE_HELD, 459 DT_ATTR_EVOLCMN, DT_VERS_1_0, 460 &dt_idops_func, sxlock_str }, 461#endif 462{ "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 463 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 464{ "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 465 &dt_idops_func, "void(@, ...)" }, 466{ "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 467 &dt_idops_type, "void" }, 468{ "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 469 &dt_idops_type, "id_t" }, 470{ "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 471 DT_ATTR_STABCMN, DT_VERS_1_0, 472 &dt_idops_type, "uint64_t" }, 473{ "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 474 &dt_idops_func, "string(const char *)" }, 475{ "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 476 &dt_idops_func, "string(const char *)" }, 477{ "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 478 &dt_idops_func, "void(@)" }, 479{ "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 480 DT_ATTR_STABCMN, DT_VERS_1_0, 481 &dt_idops_func, "void(@, size_t, ...)" }, 482{ "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 483 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 484{ "typeref", DT_IDENT_FUNC, 0, DIF_SUBR_TYPEREF, DT_ATTR_STABCMN, DT_VERS_1_1, 485 &dt_idops_func, "uintptr_t *(void *, size_t, string, size_t)" }, 486#if defined(sun) 487{ "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 488 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 489#endif 490{ "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 491 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 492#if defined(sun) 493{ "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 494 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 495#endif 496{ "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 497 &dt_idops_type, "uid_t" }, 498#if defined(sun) 499{ "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 500 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 501#endif 502{ "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 503 &dt_idops_regs, NULL }, 504{ "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 505 &dt_idops_func, "stack(...)" }, 506{ "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 507 DT_ATTR_STABCMN, DT_VERS_1_2, 508 &dt_idops_type, "uint32_t" }, 509#if defined(sun) 510{ "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 511 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 512#endif 513{ "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 514 DT_ATTR_STABCMN, DT_VERS_1_0, 515 &dt_idops_type, "uint64_t" }, 516{ "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 517 DT_ATTR_STABCMN, DT_VERS_1_0, 518 &dt_idops_type, "int64_t" }, 519#if defined(sun) 520{ "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 521 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 522#endif 523 524#if !defined(sun) 525{ "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, 526 DT_ATTR_STABCMN, DT_VERS_1_6_3, &dt_idops_type, "int" }, 527#endif 528 529{ NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 530}; 531 532/* 533 * Tables of ILP32 intrinsic integer and floating-point type templates to use 534 * to populate the dynamic "C" CTF type container. 535 */ 536static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 537{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 538{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 539{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 540{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 541{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 542{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 543{ "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 544{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 545{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 546{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 547{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 548{ "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 549{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 550{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 551{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 552{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 553{ "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 554{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 555{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 556{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 557{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 558{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 559{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 560{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 561{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 562{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 563{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 564{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 565{ NULL, { 0, 0, 0 }, 0 } 566}; 567 568/* 569 * Tables of LP64 intrinsic integer and floating-point type templates to use 570 * to populate the dynamic "C" CTF type container. 571 */ 572static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 573{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 574{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 575{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 576{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 577{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 578{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 579{ "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 580{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 581{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 582{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 583{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 584{ "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 585{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 586{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 587{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 588{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 589{ "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 590{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 591{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 592{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 593{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 594{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 595{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 596{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 597{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 598{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 599{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 600{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 601{ NULL, { 0, 0, 0 }, 0 } 602}; 603 604/* 605 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 606 * These aliases ensure that D definitions can use typical <sys/types.h> names. 607 */ 608static const dt_typedef_t _dtrace_typedefs_32[] = { 609{ "char", "int8_t" }, 610{ "short", "int16_t" }, 611{ "int", "int32_t" }, 612{ "long long", "int64_t" }, 613{ "int", "intptr_t" }, 614{ "int", "ssize_t" }, 615{ "unsigned char", "uint8_t" }, 616{ "unsigned short", "uint16_t" }, 617{ "unsigned", "uint32_t" }, 618{ "unsigned long long", "uint64_t" }, 619{ "unsigned char", "uchar_t" }, 620{ "unsigned short", "ushort_t" }, 621{ "unsigned", "uint_t" }, 622{ "unsigned long", "ulong_t" }, 623{ "unsigned long long", "u_longlong_t" }, 624{ "int", "ptrdiff_t" }, 625{ "unsigned", "uintptr_t" }, 626{ "unsigned", "size_t" }, 627{ "long", "id_t" }, 628{ "long", "pid_t" }, 629{ NULL, NULL } 630}; 631 632/* 633 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 634 * These aliases ensure that D definitions can use typical <sys/types.h> names. 635 */ 636static const dt_typedef_t _dtrace_typedefs_64[] = { 637{ "char", "int8_t" }, 638{ "short", "int16_t" }, 639{ "int", "int32_t" }, 640{ "long", "int64_t" }, 641{ "long", "intptr_t" }, 642{ "long", "ssize_t" }, 643{ "unsigned char", "uint8_t" }, 644{ "unsigned short", "uint16_t" }, 645{ "unsigned", "uint32_t" }, 646{ "unsigned long", "uint64_t" }, 647{ "unsigned char", "uchar_t" }, 648{ "unsigned short", "ushort_t" }, 649{ "unsigned", "uint_t" }, 650{ "unsigned long", "ulong_t" }, 651{ "unsigned long long", "u_longlong_t" }, 652{ "long", "ptrdiff_t" }, 653{ "unsigned long", "uintptr_t" }, 654{ "unsigned long", "size_t" }, 655{ "int", "id_t" }, 656{ "int", "pid_t" }, 657{ NULL, NULL } 658}; 659 660/* 661 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 662 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 663 */ 664static const dt_intdesc_t _dtrace_ints_32[] = { 665{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 666{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 667{ "long", NULL, CTF_ERR, 0x7fffffffULL }, 668{ "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 669{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 670{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 671}; 672 673/* 674 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 675 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 676 */ 677static const dt_intdesc_t _dtrace_ints_64[] = { 678{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 679{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 680{ "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 681{ "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 682{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 683{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 684}; 685 686/* 687 * Table of macro variable templates used to populate the macro identifier hash 688 * when a new dtrace client open occurs. Values are set by dtrace_update(). 689 */ 690static const dt_ident_t _dtrace_macros[] = { 691{ "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 692{ "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 693{ "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 694{ "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 695{ "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 696{ "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 697{ "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 698{ "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 699{ "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 700{ "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 701{ "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 702{ NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 703}; 704 705/* 706 * Hard-wired definition string to be compiled and cached every time a new 707 * DTrace library handle is initialized. This string should only be used to 708 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 709 */ 710static const char _dtrace_hardwire[] = "\ 711inline long NULL = 0; \n\ 712#pragma D binding \"1.0\" NULL\n\ 713"; 714 715/* 716 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 717 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 718 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 719 * relying on the fact that when running dtrace(1M), isaexec will invoke the 720 * binary with the same bitness as the kernel, which is what we want by default 721 * when generating our DIF. The user can override the choice using oflags. 722 */ 723static const dtrace_conf_t _dtrace_conf = { 724 DIF_VERSION, /* dtc_difversion */ 725 DIF_DIR_NREGS, /* dtc_difintregs */ 726 DIF_DTR_NREGS, /* dtc_diftupregs */ 727 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 728}; 729 730const dtrace_attribute_t _dtrace_maxattr = { 731 DTRACE_STABILITY_MAX, 732 DTRACE_STABILITY_MAX, 733 DTRACE_CLASS_MAX 734}; 735 736const dtrace_attribute_t _dtrace_defattr = { 737 DTRACE_STABILITY_STABLE, 738 DTRACE_STABILITY_STABLE, 739 DTRACE_CLASS_COMMON 740}; 741 742const dtrace_attribute_t _dtrace_symattr = { 743 DTRACE_STABILITY_PRIVATE, 744 DTRACE_STABILITY_PRIVATE, 745 DTRACE_CLASS_UNKNOWN 746}; 747 748const dtrace_attribute_t _dtrace_typattr = { 749 DTRACE_STABILITY_PRIVATE, 750 DTRACE_STABILITY_PRIVATE, 751 DTRACE_CLASS_UNKNOWN 752}; 753 754const dtrace_attribute_t _dtrace_prvattr = { 755 DTRACE_STABILITY_PRIVATE, 756 DTRACE_STABILITY_PRIVATE, 757 DTRACE_CLASS_UNKNOWN 758}; 759 760const dtrace_pattr_t _dtrace_prvdesc = { 761{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 762{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 763{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 764{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 765{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 766}; 767 768#if defined(sun) 769const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 770const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 771#else 772const char *_dtrace_defcpp = "cpp"; /* default cpp(1) to invoke */ 773const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */ 774#endif 775 776const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 777#if defined(sun) 778const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 779#else 780const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */ 781#endif 782 783int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 784int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 785uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 786uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 787uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 788uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 789size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 790int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 791 792int _dtrace_debug = 0; /* debug messages enabled (off) */ 793const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 794int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 795 796typedef struct dt_fdlist { 797 int *df_fds; /* array of provider driver file descriptors */ 798 uint_t df_ents; /* number of valid elements in df_fds[] */ 799 uint_t df_size; /* size of df_fds[] */ 800} dt_fdlist_t; 801 802#if defined(sun) 803#pragma init(_dtrace_init) 804#else 805void _dtrace_init(void) __attribute__ ((constructor)); 806#endif 807void 808_dtrace_init(void) 809{ 810 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 811 812 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 813 if (rd_init(_dtrace_rdvers) == RD_OK) 814 break; 815 } 816#if defined(__i386__) 817 /* make long doubles 64 bits -sson */ 818 (void) fpsetprec(FP_PE); 819#endif 820} 821 822static dtrace_hdl_t * 823set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 824{ 825 if (dtp != NULL) 826 dtrace_close(dtp); 827 if (errp != NULL) 828 *errp = err; 829 return (NULL); 830} 831 832static void 833dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 834{ 835 dt_provmod_t *prov; 836 char path[PATH_MAX]; 837 int fd; 838#if defined(sun) 839 struct dirent *dp, *ep; 840 DIR *dirp; 841 842 if ((dirp = opendir(_dtrace_provdir)) == NULL) 843 return; /* failed to open directory; just skip it */ 844 845 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 846 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 847 848 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 849 if (dp->d_name[0] == '.') 850 continue; /* skip "." and ".." */ 851 852 if (dfp->df_ents == dfp->df_size) { 853 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 854 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 855 856 if (fds == NULL) 857 break; /* skip the rest of this directory */ 858 859 dfp->df_fds = fds; 860 dfp->df_size = size; 861 } 862 863 (void) snprintf(path, sizeof (path), "%s/%s", 864 _dtrace_provdir, dp->d_name); 865 866 if ((fd = open(path, O_RDONLY)) == -1) 867 continue; /* failed to open driver; just skip it */ 868 869 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 870 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 871 free(prov); 872 (void) close(fd); 873 break; 874 } 875 876 (void) strcpy(prov->dp_name, dp->d_name); 877 prov->dp_next = *provmod; 878 *provmod = prov; 879 880 dt_dprintf("opened provider %s\n", dp->d_name); 881 dfp->df_fds[dfp->df_ents++] = fd; 882 } 883 884 (void) closedir(dirp); 885#else 886 char *p; 887 char *p1; 888 char *p_providers = NULL; 889 int error; 890 size_t len = 0; 891 892 /* 893 * Loop to allocate/reallocate memory for the string of provider 894 * names and retry: 895 */ 896 while(1) { 897 /* 898 * The first time around, get the string length. The next time, 899 * hopefully we've allocated enough memory. 900 */ 901 error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0); 902 if (len == 0) 903 /* No providers? That's strange. Where's dtrace? */ 904 break; 905 else if (error == 0 && p_providers == NULL) { 906 /* 907 * Allocate the initial memory which should be enough 908 * unless another provider loads before we have 909 * time to go back and get the string. 910 */ 911 if ((p_providers = malloc(len)) == NULL) 912 /* How do we report errors here? */ 913 return; 914 } else if (error == -1 && errno == ENOMEM) { 915 /* 916 * The current buffer isn't large enough, so 917 * reallocate it. We normally won't need to do this 918 * because providers aren't being loaded all the time. 919 */ 920 if ((p = realloc(p_providers,len)) == NULL) 921 /* How do we report errors here? */ 922 return; 923 p_providers = p; 924 } else 925 break; 926 } 927 928 /* Check if we got a string of provider names: */ 929 if (error == 0 && len > 0 && p_providers != NULL) { 930 p = p_providers; 931 932 /* 933 * Parse the string containing the space separated 934 * provider names. 935 */ 936 while ((p1 = strsep(&p," ")) != NULL) { 937 if (dfp->df_ents == dfp->df_size) { 938 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 939 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 940 941 if (fds == NULL) 942 break; 943 944 dfp->df_fds = fds; 945 dfp->df_size = size; 946 } 947 948 (void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1); 949 950 if ((fd = open(path, O_RDONLY)) == -1) 951 continue; /* failed to open driver; just skip it */ 952 953 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 954 (prov->dp_name = malloc(strlen(p1) + 1)) == NULL) { 955 free(prov); 956 (void) close(fd); 957 break; 958 } 959 960 (void) strcpy(prov->dp_name, p1); 961 prov->dp_next = *provmod; 962 *provmod = prov; 963 964 dt_dprintf("opened provider %s\n", p1); 965 dfp->df_fds[dfp->df_ents++] = fd; 966 } 967 } 968 if (p_providers != NULL) 969 free(p_providers); 970#endif 971} 972 973static void 974dt_provmod_destroy(dt_provmod_t **provmod) 975{ 976 dt_provmod_t *next, *current; 977 978 for (current = *provmod; current != NULL; current = next) { 979 next = current->dp_next; 980 free(current->dp_name); 981 free(current); 982 } 983 984 *provmod = NULL; 985} 986 987#if defined(sun) 988static const char * 989dt_get_sysinfo(int cmd, char *buf, size_t len) 990{ 991 ssize_t rv = sysinfo(cmd, buf, len); 992 char *p = buf; 993 994 if (rv < 0 || rv > len) 995 (void) snprintf(buf, len, "%s", "Unknown"); 996 997 while ((p = strchr(p, '.')) != NULL) 998 *p++ = '_'; 999 1000 return (buf); 1001} 1002#endif 1003 1004static dtrace_hdl_t * 1005dt_vopen(int version, int flags, int *errp, 1006 const dtrace_vector_t *vector, void *arg) 1007{ 1008 dtrace_hdl_t *dtp = NULL; 1009 int dtfd = -1, ftfd = -1, fterr = 0; 1010 dtrace_prog_t *pgp; 1011 dt_module_t *dmp; 1012 dt_provmod_t *provmod = NULL; 1013 int i, err; 1014 struct rlimit rl; 1015 1016 const dt_intrinsic_t *dinp; 1017 const dt_typedef_t *dtyp; 1018 const dt_ident_t *idp; 1019 1020 dtrace_typeinfo_t dtt; 1021 ctf_funcinfo_t ctc; 1022 ctf_arinfo_t ctr; 1023 1024 dt_fdlist_t df = { NULL, 0, 0 }; 1025 1026 char isadef[32], utsdef[32]; 1027 char s1[64], s2[64]; 1028 1029 if (version <= 0) 1030 return (set_open_errno(dtp, errp, EINVAL)); 1031 1032 if (version > DTRACE_VERSION) 1033 return (set_open_errno(dtp, errp, EDT_VERSION)); 1034 1035 if (version < DTRACE_VERSION) { 1036 /* 1037 * Currently, increasing the library version number is used to 1038 * denote a binary incompatible change. That is, a consumer 1039 * of the library cannot run on a version of the library with 1040 * a higher DTRACE_VERSION number than the consumer compiled 1041 * against. Once the library API has been committed to, 1042 * backwards binary compatibility will be required; at that 1043 * time, this check should change to return EDT_OVERSION only 1044 * if the specified version number is less than the version 1045 * number at the time of interface commitment. 1046 */ 1047 return (set_open_errno(dtp, errp, EDT_OVERSION)); 1048 } 1049 1050 if (flags & ~DTRACE_O_MASK) 1051 return (set_open_errno(dtp, errp, EINVAL)); 1052 1053 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 1054 return (set_open_errno(dtp, errp, EINVAL)); 1055 1056 if (vector == NULL && arg != NULL) 1057 return (set_open_errno(dtp, errp, EINVAL)); 1058 1059 if (elf_version(EV_CURRENT) == EV_NONE) 1060 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 1061 1062 if (vector != NULL || (flags & DTRACE_O_NODEV)) 1063 goto alloc; /* do not attempt to open dtrace device */ 1064 1065 /* 1066 * Before we get going, crank our limit on file descriptors up to the 1067 * hard limit. This is to allow for the fact that libproc keeps file 1068 * descriptors to objects open for the lifetime of the proc handle; 1069 * without raising our hard limit, we would have an acceptably small 1070 * bound on the number of processes that we could concurrently 1071 * instrument with the pid provider. 1072 */ 1073 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 1074 rl.rlim_cur = rl.rlim_max; 1075 (void) setrlimit(RLIMIT_NOFILE, &rl); 1076 } 1077 1078 /* 1079 * Get the device path of each of the providers. We hold them open 1080 * in the df.df_fds list until we open the DTrace driver itself, 1081 * allowing us to see all of the probes provided on this system. Once 1082 * we have the DTrace driver open, we can safely close all the providers 1083 * now that they have registered with the framework. 1084 */ 1085 dt_provmod_open(&provmod, &df); 1086 1087 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1088 err = errno; /* save errno from opening dtfd */ 1089 1090#if defined(sun) 1091 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 1092#else 1093 ftfd = open("/dev/dtrace/fasttrap", O_RDWR); 1094#endif 1095 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 1096 1097 while (df.df_ents-- != 0) 1098 (void) close(df.df_fds[df.df_ents]); 1099 1100 free(df.df_fds); 1101 1102 /* 1103 * If we failed to open the dtrace device, fail dtrace_open(). 1104 * We convert some kernel errnos to custom libdtrace errnos to 1105 * improve the resulting message from the usual strerror(). 1106 */ 1107 if (dtfd == -1) { 1108 dt_provmod_destroy(&provmod); 1109 switch (err) { 1110 case ENOENT: 1111 err = EDT_NOENT; 1112 break; 1113 case EBUSY: 1114 err = EDT_BUSY; 1115 break; 1116 case EACCES: 1117 err = EDT_ACCESS; 1118 break; 1119 } 1120 return (set_open_errno(dtp, errp, err)); 1121 } 1122 1123 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 1124 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 1125 1126alloc: 1127 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 1128 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1129 1130 bzero(dtp, sizeof (dtrace_hdl_t)); 1131 dtp->dt_oflags = flags; 1132#if defined(sun) 1133 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 1134#else 1135 dtp->dt_prcmode = DT_PROC_STOP_MAIN; 1136#endif 1137 dtp->dt_linkmode = DT_LINK_KERNEL; 1138 dtp->dt_linktype = DT_LTYP_ELF; 1139 dtp->dt_xlatemode = DT_XL_STATIC; 1140 dtp->dt_stdcmode = DT_STDC_XA; 1141 dtp->dt_version = version; 1142 dtp->dt_fd = dtfd; 1143 dtp->dt_ftfd = ftfd; 1144 dtp->dt_fterr = fterr; 1145 dtp->dt_cdefs_fd = -1; 1146 dtp->dt_ddefs_fd = -1; 1147#if defined(sun) 1148 dtp->dt_stdout_fd = -1; 1149#else 1150 dtp->dt_freopen_fp = NULL; 1151#endif 1152 dtp->dt_modbuckets = _dtrace_strbuckets; 1153 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1154 dtp->dt_provbuckets = _dtrace_strbuckets; 1155 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 1156 dt_proc_hash_create(dtp); 1157 dtp->dt_vmax = DT_VERS_LATEST; 1158 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 1159 dtp->dt_cpp_argv = malloc(sizeof (char *)); 1160 dtp->dt_cpp_argc = 1; 1161 dtp->dt_cpp_args = 1; 1162 dtp->dt_ld_path = strdup(_dtrace_defld); 1163 dtp->dt_provmod = provmod; 1164 dtp->dt_vector = vector; 1165 dtp->dt_varg = arg; 1166 dt_dof_init(dtp); 1167 (void) uname(&dtp->dt_uts); 1168 1169 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 1170 dtp->dt_procs == NULL || dtp->dt_ld_path == NULL || 1171 dtp->dt_cpp_path == NULL || dtp->dt_cpp_argv == NULL) 1172 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1173 1174 for (i = 0; i < DTRACEOPT_MAX; i++) 1175 dtp->dt_options[i] = DTRACEOPT_UNSET; 1176 1177 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 1178 1179#if defined(sun) 1180 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 1181 (uint_t)(sizeof (void *) * NBBY)); 1182 1183 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 1184 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 1185 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 1186 1187 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 1188 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 1189 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 1190 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 1191 dt_cpp_add_arg(dtp, isadef) == NULL || 1192 dt_cpp_add_arg(dtp, utsdef) == NULL) 1193 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1194#endif 1195 1196 if (flags & DTRACE_O_NODEV) 1197 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1198 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1199 return (set_open_errno(dtp, errp, errno)); 1200 1201 if (flags & DTRACE_O_LP64) 1202 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1203 else if (flags & DTRACE_O_ILP32) 1204 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1205 1206#ifdef __sparc 1207 /* 1208 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1209 * and __sparcv9 is defined if we are doing a 64-bit compile. 1210 */ 1211 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1212 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1213 1214 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1215 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1216 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1217#endif 1218 1219#if defined(sun) 1220#ifdef __x86 1221 /* 1222 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1223 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1224 * they are defined exclusive of one another (see PSARC 2004/619). 1225 */ 1226 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1227 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1228 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1229 } else { 1230 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1231 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1232 } 1233#endif 1234#else 1235#if defined(__amd64__) || defined(__i386__) 1236 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1237 if (dt_cpp_add_arg(dtp, "-m64") == NULL) 1238 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1239 } else { 1240 if (dt_cpp_add_arg(dtp, "-m32") == NULL) 1241 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1242 } 1243#endif 1244#endif 1245 1246 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1247 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1248 1249 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1250 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1251 else 1252 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1253 1254 /* 1255 * On FreeBSD the kernel module name can't be hard-coded. The 1256 * 'kern.bootfile' sysctl value tells us exactly which file is being 1257 * used as the kernel. 1258 */ 1259#if !defined(sun) 1260 { 1261 char bootfile[MAXPATHLEN]; 1262 char *p; 1263 int i; 1264 size_t len = sizeof(bootfile); 1265 1266 /* This call shouldn't fail, but use a default just in case. */ 1267 if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0) 1268 strlcpy(bootfile, "kernel", sizeof(bootfile)); 1269 1270 if ((p = strrchr(bootfile, '/')) != NULL) 1271 p++; 1272 else 1273 p = bootfile; 1274 1275 /* 1276 * Format the global variables based on the kernel module name. 1277 */ 1278 snprintf(curthread_str, sizeof(curthread_str), "%s`struct thread *",p); 1279 snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`struct mtx *)",p); 1280 snprintf(threadmtx_str, sizeof(threadmtx_str), "struct thread *(%s`struct mtx *)",p); 1281 snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`struct rwlock *)",p); 1282 snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sxlock *)",p); 1283 } 1284#endif 1285 1286 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1287 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1288 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1289 1290 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1291 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1292 1293 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1294 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1295 1296 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1297 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1298 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1299 1300 /* 1301 * Populate the dt_macros identifier hash table by hand: we can't use 1302 * the dt_idhash_populate() mechanism because we're not yet compiling 1303 * and dtrace_update() needs to immediately reference these idents. 1304 */ 1305 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1306 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1307 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1308 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1309 idp->di_iarg, 0) == NULL) 1310 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1311 } 1312 1313 /* 1314 * Update the module list using /system/object and load the values for 1315 * the macro variable definitions according to the current process. 1316 */ 1317 dtrace_update(dtp); 1318 1319 /* 1320 * Select the intrinsics and typedefs we want based on the data model. 1321 * The intrinsics are under "C". The typedefs are added under "D". 1322 */ 1323 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1324 dinp = _dtrace_intrinsics_32; 1325 dtyp = _dtrace_typedefs_32; 1326 } else { 1327 dinp = _dtrace_intrinsics_64; 1328 dtyp = _dtrace_typedefs_64; 1329 } 1330 1331 /* 1332 * Create a dynamic CTF container under the "C" scope for intrinsic 1333 * types and types defined in ANSI-C header files that are included. 1334 */ 1335 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1336 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1337 1338 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1339 return (set_open_errno(dtp, errp, EDT_CTF)); 1340 1341 dt_dprintf("created CTF container for %s (%p)\n", 1342 dmp->dm_name, (void *)dmp->dm_ctfp); 1343 1344 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1345 ctf_setspecific(dmp->dm_ctfp, dmp); 1346 1347 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1348 dmp->dm_modid = -1; /* no module ID */ 1349 1350 /* 1351 * Fill the dynamic "C" CTF container with all of the intrinsic 1352 * integer and floating-point types appropriate for this data model. 1353 */ 1354 for (; dinp->din_name != NULL; dinp++) { 1355 if (dinp->din_kind == CTF_K_INTEGER) { 1356 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1357 dinp->din_name, &dinp->din_data); 1358 } else { 1359 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1360 dinp->din_name, &dinp->din_data); 1361 } 1362 1363 if (err == CTF_ERR) { 1364 dt_dprintf("failed to add %s to C container: %s\n", 1365 dinp->din_name, ctf_errmsg( 1366 ctf_errno(dmp->dm_ctfp))); 1367 return (set_open_errno(dtp, errp, EDT_CTF)); 1368 } 1369 } 1370 1371 if (ctf_update(dmp->dm_ctfp) != 0) { 1372 dt_dprintf("failed to update C container: %s\n", 1373 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1374 return (set_open_errno(dtp, errp, EDT_CTF)); 1375 } 1376 1377 /* 1378 * Add intrinsic pointer types that are needed to initialize printf 1379 * format dictionary types (see table in dt_printf.c). 1380 */ 1381 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1382 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1383 1384 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1385 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1386 1387 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1388 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1389 1390 if (ctf_update(dmp->dm_ctfp) != 0) { 1391 dt_dprintf("failed to update C container: %s\n", 1392 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1393 return (set_open_errno(dtp, errp, EDT_CTF)); 1394 } 1395 1396 /* 1397 * Create a dynamic CTF container under the "D" scope for types that 1398 * are defined by the D program itself or on-the-fly by the D compiler. 1399 * The "D" CTF container is a child of the "C" CTF container. 1400 */ 1401 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1402 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1403 1404 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1405 return (set_open_errno(dtp, errp, EDT_CTF)); 1406 1407 dt_dprintf("created CTF container for %s (%p)\n", 1408 dmp->dm_name, (void *)dmp->dm_ctfp); 1409 1410 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1411 ctf_setspecific(dmp->dm_ctfp, dmp); 1412 1413 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1414 dmp->dm_modid = -1; /* no module ID */ 1415 1416 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1417 dt_dprintf("failed to import D parent container: %s\n", 1418 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1419 return (set_open_errno(dtp, errp, EDT_CTF)); 1420 } 1421 1422 /* 1423 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1424 * that we need to use for our D variable and function definitions. 1425 * This ensures that basic inttypes.h names are always available to us. 1426 */ 1427 for (; dtyp->dty_src != NULL; dtyp++) { 1428 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1429 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1430 dtyp->dty_src)) == CTF_ERR) { 1431 dt_dprintf("failed to add typedef %s %s to D " 1432 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1433 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1434 return (set_open_errno(dtp, errp, EDT_CTF)); 1435 } 1436 } 1437 1438 /* 1439 * Insert a CTF ID corresponding to a pointer to a type of kind 1440 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1441 * CTF treats all function pointers as "int (*)()" so we only need one. 1442 */ 1443 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1444 ctc.ctc_argc = 0; 1445 ctc.ctc_flags = 0; 1446 1447 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1448 CTF_ADD_ROOT, &ctc, NULL); 1449 1450 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1451 CTF_ADD_ROOT, dtp->dt_type_func); 1452 1453 /* 1454 * We also insert CTF definitions for the special D intrinsic types 1455 * string and <DYN> into the D container. The string type is added 1456 * as a typedef of char[n]. The <DYN> type is an alias for void. 1457 * We compare types to these special CTF ids throughout the compiler. 1458 */ 1459 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1460 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1461 ctr.ctr_nelems = _dtrace_strsize; 1462 1463 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1464 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1465 1466 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1467 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1468 1469 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1470 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1471 1472 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1473 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1474 1475 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1476 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1477 1478 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1479 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1480 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1481 dtp->dt_type_usymaddr == CTF_ERR) { 1482 dt_dprintf("failed to add intrinsic to D container: %s\n", 1483 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1484 return (set_open_errno(dtp, errp, EDT_CTF)); 1485 } 1486 1487 if (ctf_update(dmp->dm_ctfp) != 0) { 1488 dt_dprintf("failed update D container: %s\n", 1489 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1490 return (set_open_errno(dtp, errp, EDT_CTF)); 1491 } 1492 1493 /* 1494 * Initialize the integer description table used to convert integer 1495 * constants to the appropriate types. Refer to the comments above 1496 * dt_node_int() for a complete description of how this table is used. 1497 */ 1498 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1499 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1500 dtp->dt_ints[i].did_name, &dtt) != 0) { 1501 dt_dprintf("failed to lookup integer type %s: %s\n", 1502 dtp->dt_ints[i].did_name, 1503 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1504 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1505 } 1506 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1507 dtp->dt_ints[i].did_type = dtt.dtt_type; 1508 } 1509 1510 /* 1511 * Now that we've created the "C" and "D" containers, move them to the 1512 * start of the module list so that these types and symbols are found 1513 * first (for stability) when iterating through the module list. 1514 */ 1515 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1516 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1517 1518 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1519 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1520 1521 if (dt_pfdict_create(dtp) == -1) 1522 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1523 1524 /* 1525 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1526 * because without /dev/dtrace open, we will not be able to load the 1527 * names and attributes of any providers or probes from the kernel. 1528 */ 1529 if (flags & DTRACE_O_NODEV) 1530 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1531 1532 /* 1533 * Load hard-wired inlines into the definition cache by calling the 1534 * compiler on the raw definition string defined above. 1535 */ 1536 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1537 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1538 dt_dprintf("failed to load hard-wired definitions: %s\n", 1539 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1540 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1541 } 1542 1543 dt_program_destroy(dtp, pgp); 1544 1545 /* 1546 * Set up the default DTrace library path. Once set, the next call to 1547 * dt_compile() will compile all the libraries. We intentionally defer 1548 * library processing to improve overhead for clients that don't ever 1549 * compile, and to provide better error reporting (because the full 1550 * reporting of compiler errors requires dtrace_open() to succeed). 1551 */ 1552 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1553 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1554 1555 return (dtp); 1556} 1557 1558dtrace_hdl_t * 1559dtrace_open(int version, int flags, int *errp) 1560{ 1561 return (dt_vopen(version, flags, errp, NULL, NULL)); 1562} 1563 1564dtrace_hdl_t * 1565dtrace_vopen(int version, int flags, int *errp, 1566 const dtrace_vector_t *vector, void *arg) 1567{ 1568 return (dt_vopen(version, flags, errp, vector, arg)); 1569} 1570 1571void 1572dtrace_close(dtrace_hdl_t *dtp) 1573{ 1574 dt_ident_t *idp, *ndp; 1575 dt_module_t *dmp; 1576 dt_provider_t *pvp; 1577 dtrace_prog_t *pgp; 1578 dt_xlator_t *dxp; 1579 dt_dirpath_t *dirp; 1580 int i; 1581 1582 if (dtp->dt_procs != NULL) 1583 dt_proc_hash_destroy(dtp); 1584 1585 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1586 dt_program_destroy(dtp, pgp); 1587 1588 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1589 dt_xlator_destroy(dtp, dxp); 1590 1591 dt_free(dtp, dtp->dt_xlatormap); 1592 1593 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1594 ndp = idp->di_next; 1595 dt_ident_destroy(idp); 1596 } 1597 1598 if (dtp->dt_macros != NULL) 1599 dt_idhash_destroy(dtp->dt_macros); 1600 if (dtp->dt_aggs != NULL) 1601 dt_idhash_destroy(dtp->dt_aggs); 1602 if (dtp->dt_globals != NULL) 1603 dt_idhash_destroy(dtp->dt_globals); 1604 if (dtp->dt_tls != NULL) 1605 dt_idhash_destroy(dtp->dt_tls); 1606 1607 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1608 dt_module_destroy(dtp, dmp); 1609 1610 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1611 dt_provider_destroy(dtp, pvp); 1612 1613 if (dtp->dt_fd != -1) 1614 (void) close(dtp->dt_fd); 1615 if (dtp->dt_ftfd != -1) 1616 (void) close(dtp->dt_ftfd); 1617 if (dtp->dt_cdefs_fd != -1) 1618 (void) close(dtp->dt_cdefs_fd); 1619 if (dtp->dt_ddefs_fd != -1) 1620 (void) close(dtp->dt_ddefs_fd); 1621#if defined(sun) 1622 if (dtp->dt_stdout_fd != -1) 1623 (void) close(dtp->dt_stdout_fd); 1624#else 1625 if (dtp->dt_freopen_fp != NULL) 1626 (void) fclose(dtp->dt_freopen_fp); 1627#endif 1628 1629 dt_epid_destroy(dtp); 1630 dt_aggid_destroy(dtp); 1631 dt_format_destroy(dtp); 1632 dt_strdata_destroy(dtp); 1633 dt_buffered_destroy(dtp); 1634 dt_aggregate_destroy(dtp); 1635 dt_pfdict_destroy(dtp); 1636 dt_provmod_destroy(&dtp->dt_provmod); 1637 dt_dof_fini(dtp); 1638 1639 for (i = 1; i < dtp->dt_cpp_argc; i++) 1640 free(dtp->dt_cpp_argv[i]); 1641 1642 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1643 dt_list_delete(&dtp->dt_lib_path, dirp); 1644 free(dirp->dir_path); 1645 free(dirp); 1646 } 1647 1648 free(dtp->dt_cpp_argv); 1649 free(dtp->dt_cpp_path); 1650 free(dtp->dt_ld_path); 1651 1652 free(dtp->dt_mods); 1653 free(dtp->dt_provs); 1654 free(dtp); 1655} 1656 1657int 1658dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1659{ 1660 dt_provmod_t *prov; 1661 int i = 0; 1662 1663 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1664 if (i < nmods) 1665 mods[i] = prov->dp_name; 1666 } 1667 1668 return (i); 1669} 1670 1671int 1672dtrace_ctlfd(dtrace_hdl_t *dtp) 1673{ 1674 return (dtp->dt_fd); 1675} 1676