dt_open.c revision 297077
1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 25 * Copyright (c) 2012 by Delphix. All rights reserved. 26 */ 27 28#include <sys/types.h> 29#ifdef illumos 30#include <sys/modctl.h> 31#include <sys/systeminfo.h> 32#endif 33#include <sys/resource.h> 34 35#include <libelf.h> 36#include <strings.h> 37#ifdef illumos 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#ifndef illumos 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_1_10 DT_VERSION_NUMBER(1, 10, 0) 126#define DT_VERS_1_11 DT_VERSION_NUMBER(1, 11, 0) 127#define DT_VERS_1_12 DT_VERSION_NUMBER(1, 12, 0) 128#define DT_VERS_1_12_1 DT_VERSION_NUMBER(1, 12, 1) 129#define DT_VERS_LATEST DT_VERS_1_12_1 130#define DT_VERS_STRING "Sun D 1.12.1" 131 132const dt_version_t _dtrace_versions[] = { 133 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 134 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 135 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 136 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 137 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 138 DT_VERS_1_3, /* D API 1.3 Solaris Express 10/06 */ 139 DT_VERS_1_4, /* D API 1.4 Solaris Express 2/07 */ 140 DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */ 141 DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */ 142 DT_VERS_1_6, /* D API 1.6 */ 143 DT_VERS_1_6_1, /* D API 1.6.1 */ 144 DT_VERS_1_6_2, /* D API 1.6.2 */ 145 DT_VERS_1_6_3, /* D API 1.6.3 */ 146 DT_VERS_1_7, /* D API 1.7 */ 147 DT_VERS_1_7_1, /* D API 1.7.1 */ 148 DT_VERS_1_8, /* D API 1.8 */ 149 DT_VERS_1_8_1, /* D API 1.8.1 */ 150 DT_VERS_1_9, /* D API 1.9 */ 151 DT_VERS_1_9_1, /* D API 1.9.1 */ 152 DT_VERS_1_10, /* D API 1.10 */ 153 DT_VERS_1_11, /* D API 1.11 */ 154 DT_VERS_1_12, /* D API 1.12 */ 155 DT_VERS_1_12_1, /* D API 1.12.1 */ 156 0 157}; 158 159/* 160 * Global variables that are formatted on FreeBSD based on the kernel file name. 161 */ 162#ifndef illumos 163static char curthread_str[MAXPATHLEN]; 164static char intmtx_str[MAXPATHLEN]; 165static char threadmtx_str[MAXPATHLEN]; 166static char rwlock_str[MAXPATHLEN]; 167static char sxlock_str[MAXPATHLEN]; 168#endif 169 170/* 171 * Table of global identifiers. This is used to populate the global identifier 172 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 173 * The global identifiers that represent functions use the dt_idops_func ops 174 * and specify the private data pointer as a prototype string which is parsed 175 * when the identifier is first encountered. These prototypes look like ANSI 176 * C function prototypes except that the special symbol "@" can be used as a 177 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 178 * The standard "..." notation can also be used to represent varargs. An empty 179 * parameter list is taken to mean void (that is, no arguments are permitted). 180 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 181 * argument. 182 */ 183static const dt_ident_t _dtrace_globals[] = { 184{ "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 185 &dt_idops_func, "void *(size_t)" }, 186{ "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 187 &dt_idops_type, "int64_t" }, 188{ "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 189 &dt_idops_type, "int64_t" }, 190{ "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 191 &dt_idops_type, "int64_t" }, 192{ "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 193 &dt_idops_type, "int64_t" }, 194{ "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 195 &dt_idops_type, "int64_t" }, 196{ "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 197 &dt_idops_type, "int64_t" }, 198{ "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 199 &dt_idops_type, "int64_t" }, 200{ "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 201 &dt_idops_type, "int64_t" }, 202{ "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 203 &dt_idops_type, "int64_t" }, 204{ "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 205 &dt_idops_type, "int64_t" }, 206{ "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 207 &dt_idops_args, NULL }, 208{ "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 209 &dt_idops_func, "void(@)" }, 210{ "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 211 &dt_idops_func, "string(const char *)" }, 212{ "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 213 &dt_idops_func, "void(void *, void *, size_t)" }, 214{ "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 215 DT_ATTR_STABCMN, DT_VERS_1_0, 216 &dt_idops_func, "void()" }, 217{ "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 218 &dt_idops_type, "uintptr_t" }, 219{ "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 220 &dt_idops_func, "void(int)" }, 221{ "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 222 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 223{ "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 224 &dt_idops_func, "void(...)" }, 225{ "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 226 &dt_idops_func, "void(int)" }, 227{ "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 228 &dt_idops_func, "void *(uintptr_t, size_t)" }, 229{ "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 230 DT_ATTR_STABCMN, DT_VERS_1_0, 231 &dt_idops_func, "string(uintptr_t, [size_t])" }, 232{ "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 233 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 234{ "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 235 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 236{ "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 237 DT_ATTR_STABCMN, DT_VERS_1_0, 238 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 239{ "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 240 &dt_idops_func, "void()" }, 241{ "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 242 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 243 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 244#ifdef illumos 245 &dt_idops_type, "genunix`kthread_t *" }, 246#else 247 &dt_idops_type, curthread_str }, 248#endif 249{ "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 250 DT_ATTR_EVOLCMN, DT_VERS_1_0, 251 &dt_idops_func, "string(void *, int64_t)" }, 252{ "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 253 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 254{ "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 255 &dt_idops_func, "string(const char *)" }, 256{ "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 257 &dt_idops_func, "void(int)" }, 258{ "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 259 &dt_idops_type, "uint_t" }, 260{ "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 261 &dt_idops_type, "int" }, 262{ "execargs", DT_IDENT_SCALAR, 0, DIF_VAR_EXECARGS, 263 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 264{ "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 265 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 266{ "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 267 &dt_idops_func, "void(int)" }, 268{ "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 269 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 270{ "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 271 DT_VERS_1_0, &dt_idops_func, "void()" }, 272{ "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 273 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 274{ "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 275 DT_ATTR_EVOLCMN, DT_VERS_1_0, 276 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 277{ "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 278 DT_ATTR_EVOLCMN, DT_VERS_1_0, 279 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 280{ "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 281 &dt_idops_func, "uint32_t(uint32_t)" }, 282{ "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 283 &dt_idops_func, "uint64_t(uint64_t)" }, 284{ "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 285 &dt_idops_func, "uint16_t(uint16_t)" }, 286{ "getf", DT_IDENT_FUNC, 0, DIF_SUBR_GETF, DT_ATTR_STABCMN, DT_VERS_1_10, 287 &dt_idops_func, "file_t *(int)" }, 288{ "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 289 &dt_idops_type, "gid_t" }, 290{ "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 291 &dt_idops_type, "uint_t" }, 292{ "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 293 &dt_idops_func, "int(const char *, const char *, [int])" }, 294{ "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 295#ifdef illumos 296 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 297#else 298 DT_VERS_1_5, &dt_idops_func, "string(in_addr_t *)" }, 299#endif 300{ "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 301#ifdef illumos 302 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 303#else 304 DT_VERS_1_5, &dt_idops_func, "string(struct in6_addr *)" }, 305#endif 306{ "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 307 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 308{ "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 309 &dt_idops_type, "uint_t" }, 310{ "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, 311 &dt_idops_func, "string(const char *, const char *)" }, 312{ "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 313 &dt_idops_func, "stack(...)" }, 314{ "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 315 &dt_idops_func, "string(int64_t, [int])" }, 316{ "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 317 DT_VERS_1_7, &dt_idops_func, 318 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 319{ "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 320 DT_ATTR_STABCMN, DT_VERS_1_0, 321 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 322{ "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 323 &dt_idops_func, "void(@)" }, 324{ "memref", DT_IDENT_FUNC, 0, DIF_SUBR_MEMREF, DT_ATTR_STABCMN, DT_VERS_1_1, 325 &dt_idops_func, "uintptr_t *(void *, size_t)" }, 326#ifndef illumos 327{ "memstr", DT_IDENT_FUNC, 0, DIF_SUBR_MEMSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 328 &dt_idops_func, "string(void *, char, size_t)" }, 329#endif 330{ "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 331 &dt_idops_func, "void(@)" }, 332{ "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 333 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 334{ "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 335 DT_ATTR_STABCMN, DT_VERS_1_0, 336 &dt_idops_func, "size_t(mblk_t *)" }, 337{ "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 338 DT_ATTR_STABCMN, DT_VERS_1_0, 339 &dt_idops_func, "size_t(mblk_t *)" }, 340#ifdef illumos 341{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 342 DT_ATTR_EVOLCMN, DT_VERS_1_0, 343 &dt_idops_func, "int(genunix`kmutex_t *)" }, 344{ "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 345 DT_ATTR_EVOLCMN, DT_VERS_1_0, 346 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 347{ "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 348 DT_ATTR_EVOLCMN, DT_VERS_1_0, 349 &dt_idops_func, "int(genunix`kmutex_t *)" }, 350{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 351 DT_ATTR_EVOLCMN, DT_VERS_1_0, 352 &dt_idops_func, "int(genunix`kmutex_t *)" }, 353#else 354{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 355 DT_ATTR_EVOLCMN, DT_VERS_1_0, 356 &dt_idops_func, intmtx_str }, 357{ "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 358 DT_ATTR_EVOLCMN, DT_VERS_1_0, 359 &dt_idops_func, threadmtx_str }, 360{ "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 361 DT_ATTR_EVOLCMN, DT_VERS_1_0, 362 &dt_idops_func, intmtx_str }, 363{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 364 DT_ATTR_EVOLCMN, DT_VERS_1_0, 365 &dt_idops_func, intmtx_str }, 366#endif 367{ "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 368 &dt_idops_func, "uint32_t(uint32_t)" }, 369{ "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 370 &dt_idops_func, "uint64_t(uint64_t)" }, 371{ "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 372 &dt_idops_func, "uint16_t(uint16_t)" }, 373{ "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 374 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 375{ "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 376 &dt_idops_func, "void()" }, 377{ "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 378 &dt_idops_type, "pid_t" }, 379{ "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 380 &dt_idops_type, "pid_t" }, 381{ "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 382 &dt_idops_func, "void(@)" }, 383{ "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 384 &dt_idops_func, "void(@, ...)" }, 385{ "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 386 &dt_idops_func, "void(@, ...)" }, 387{ "printm", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTM, DT_ATTR_STABCMN, DT_VERS_1_0, 388 &dt_idops_func, "void(size_t, uintptr_t *)" }, 389{ "printt", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTT, DT_ATTR_STABCMN, DT_VERS_1_0, 390 &dt_idops_func, "void(size_t, uintptr_t *)" }, 391{ "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 392 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 393{ "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 394 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 395{ "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 396 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 397{ "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 398 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 399{ "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 400 DT_ATTR_STABCMN, DT_VERS_1_0, 401 &dt_idops_func, "int(pid_t)" }, 402{ "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 403 DT_ATTR_STABCMN, DT_VERS_1_0, 404 &dt_idops_func, "void(@, ...)" }, 405{ "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 406 &dt_idops_func, "void(int)" }, 407{ "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 408 &dt_idops_func, "int()" }, 409{ "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 410 &dt_idops_func, "int(const char *, const char *, [int])" }, 411#ifdef illumos 412{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 413 DT_ATTR_EVOLCMN, DT_VERS_1_0, 414 &dt_idops_func, "int(genunix`krwlock_t *)" }, 415{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 416 DT_ATTR_EVOLCMN, DT_VERS_1_0, 417 &dt_idops_func, "int(genunix`krwlock_t *)" }, 418{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 419 DT_ATTR_EVOLCMN, DT_VERS_1_0, 420 &dt_idops_func, "int(genunix`krwlock_t *)" }, 421#else 422{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 423 DT_ATTR_EVOLCMN, DT_VERS_1_0, 424 &dt_idops_func, rwlock_str }, 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, rwlock_str }, 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, rwlock_str }, 431#endif 432{ "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 433 &dt_idops_type, "void" }, 434{ "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 435 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 436{ "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 437 DT_ATTR_STABCMN, DT_VERS_1_0, 438 &dt_idops_func, "void(int)" }, 439{ "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 440 DT_ATTR_STABCMN, DT_VERS_1_0, 441 &dt_idops_func, "int()" }, 442{ "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 443 &dt_idops_func, "stack(...)" }, 444{ "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 445 DT_ATTR_STABCMN, DT_VERS_1_0, 446 &dt_idops_type, "uint32_t" }, 447{ "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 448 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 449{ "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 450 &dt_idops_func, "void()" }, 451{ "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 452 &dt_idops_func, "string(const char *, char)" }, 453{ "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 454 &dt_idops_func, "size_t(const char *)" }, 455{ "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 456 &dt_idops_func, "string(const char *, const char *)" }, 457{ "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 458 &dt_idops_func, "string(const char *, char)" }, 459{ "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 460 &dt_idops_func, "string(const char *, const char *)" }, 461{ "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 462 &dt_idops_func, "string(const char *, const char *)" }, 463{ "strtoll", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOLL, DT_ATTR_STABCMN, DT_VERS_1_11, 464 &dt_idops_func, "int64_t(const char *, [int])" }, 465{ "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 466 &dt_idops_func, "string(const char *, int, [int])" }, 467{ "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 468 &dt_idops_func, "void(@)" }, 469#ifndef illumos 470{ "sx_isexclusive", DT_IDENT_FUNC, 0, DIF_SUBR_SX_ISEXCLUSIVE, 471 DT_ATTR_EVOLCMN, DT_VERS_1_0, 472 &dt_idops_func, sxlock_str }, 473{ "sx_shared_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_SHARED_HELD, 474 DT_ATTR_EVOLCMN, DT_VERS_1_0, 475 &dt_idops_func, sxlock_str }, 476{ "sx_exclusive_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_EXCLUSIVE_HELD, 477 DT_ATTR_EVOLCMN, DT_VERS_1_0, 478 &dt_idops_func, sxlock_str }, 479#endif 480{ "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 481 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 482{ "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 483 &dt_idops_func, "void(@, ...)" }, 484{ "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 485 &dt_idops_type, "void" }, 486{ "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 487 &dt_idops_type, "id_t" }, 488{ "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 489 DT_ATTR_STABCMN, DT_VERS_1_0, 490 &dt_idops_type, "uint64_t" }, 491{ "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 492 &dt_idops_func, "string(const char *)" }, 493{ "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 494 &dt_idops_func, "string(const char *)" }, 495{ "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 496 &dt_idops_func, "void(@)" }, 497{ "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 498 DT_ATTR_STABCMN, DT_VERS_1_0, 499 &dt_idops_func, "void(@, size_t, ...)" }, 500{ "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 501 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 502{ "typeref", DT_IDENT_FUNC, 0, DIF_SUBR_TYPEREF, DT_ATTR_STABCMN, DT_VERS_1_1, 503 &dt_idops_func, "uintptr_t *(void *, size_t, string, size_t)" }, 504{ "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 505 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 506{ "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 507 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 508{ "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 509 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 510{ "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 511 &dt_idops_type, "uid_t" }, 512{ "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 513 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 514{ "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 515 &dt_idops_regs, NULL }, 516{ "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 517 &dt_idops_func, "stack(...)" }, 518{ "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 519 DT_ATTR_STABCMN, DT_VERS_1_2, 520 &dt_idops_type, "uint32_t" }, 521{ "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 522 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 523{ "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 524 DT_ATTR_STABCMN, DT_VERS_1_0, 525 &dt_idops_type, "uint64_t" }, 526{ "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 527 DT_ATTR_STABCMN, DT_VERS_1_0, 528 &dt_idops_type, "int64_t" }, 529#ifdef illumos 530{ "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 531 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 532#endif 533 534#ifndef illumos 535{ "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, 536 DT_ATTR_STABCMN, DT_VERS_1_6_3, &dt_idops_type, "int" }, 537#endif 538 539{ NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 540}; 541 542/* 543 * Tables of ILP32 intrinsic integer and floating-point type templates to use 544 * to populate the dynamic "C" CTF type container. 545 */ 546static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 547{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 548{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 549{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 550{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 551{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 552{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 553{ "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 554{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 555{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 556{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 557{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 558{ "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 559{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 560{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 561{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 562{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 563{ "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 564{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 565{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 566{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 567{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 568{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 569{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 570{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 571{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 572{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 573{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 574{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 575{ NULL, { 0, 0, 0 }, 0 } 576}; 577 578/* 579 * Tables of LP64 intrinsic integer and floating-point type templates to use 580 * to populate the dynamic "C" CTF type container. 581 */ 582static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 583{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 584{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 585{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 586{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 587{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 588{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 589{ "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 590{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 591{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 592{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 593{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 594{ "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 595{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 596{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 597{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 598{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 599{ "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 600{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 601{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 602{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 603{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 604{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 605{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 606{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 607{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 608{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 609{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 610{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 611{ NULL, { 0, 0, 0 }, 0 } 612}; 613 614/* 615 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 616 * These aliases ensure that D definitions can use typical <sys/types.h> names. 617 */ 618static const dt_typedef_t _dtrace_typedefs_32[] = { 619{ "char", "int8_t" }, 620{ "short", "int16_t" }, 621{ "int", "int32_t" }, 622{ "long long", "int64_t" }, 623{ "int", "intptr_t" }, 624{ "int", "ssize_t" }, 625{ "unsigned char", "uint8_t" }, 626{ "unsigned short", "uint16_t" }, 627{ "unsigned", "uint32_t" }, 628{ "unsigned long long", "uint64_t" }, 629{ "unsigned char", "uchar_t" }, 630{ "unsigned short", "ushort_t" }, 631{ "unsigned", "uint_t" }, 632{ "unsigned long", "ulong_t" }, 633{ "unsigned long long", "u_longlong_t" }, 634{ "int", "ptrdiff_t" }, 635{ "unsigned", "uintptr_t" }, 636{ "unsigned", "size_t" }, 637{ "long", "id_t" }, 638{ "long", "pid_t" }, 639{ NULL, NULL } 640}; 641 642/* 643 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 644 * These aliases ensure that D definitions can use typical <sys/types.h> names. 645 */ 646static const dt_typedef_t _dtrace_typedefs_64[] = { 647{ "char", "int8_t" }, 648{ "short", "int16_t" }, 649{ "int", "int32_t" }, 650{ "long", "int64_t" }, 651{ "long", "intptr_t" }, 652{ "long", "ssize_t" }, 653{ "unsigned char", "uint8_t" }, 654{ "unsigned short", "uint16_t" }, 655{ "unsigned", "uint32_t" }, 656{ "unsigned long", "uint64_t" }, 657{ "unsigned char", "uchar_t" }, 658{ "unsigned short", "ushort_t" }, 659{ "unsigned", "uint_t" }, 660{ "unsigned long", "ulong_t" }, 661{ "unsigned long long", "u_longlong_t" }, 662{ "long", "ptrdiff_t" }, 663{ "unsigned long", "uintptr_t" }, 664{ "unsigned long", "size_t" }, 665{ "int", "id_t" }, 666{ "int", "pid_t" }, 667{ NULL, NULL } 668}; 669 670/* 671 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 672 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 673 */ 674static const dt_intdesc_t _dtrace_ints_32[] = { 675{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 676{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 677{ "long", NULL, CTF_ERR, 0x7fffffffULL }, 678{ "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 679{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 680{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 681}; 682 683/* 684 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 685 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 686 */ 687static const dt_intdesc_t _dtrace_ints_64[] = { 688{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 689{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 690{ "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 691{ "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 692{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 693{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 694}; 695 696/* 697 * Table of macro variable templates used to populate the macro identifier hash 698 * when a new dtrace client open occurs. Values are set by dtrace_update(). 699 */ 700static const dt_ident_t _dtrace_macros[] = { 701{ "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 702{ "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 703{ "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 704{ "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 705{ "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 706{ "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 707{ "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 708{ "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 709{ "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 710{ "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 711{ "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 712{ NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 713}; 714 715/* 716 * Hard-wired definition string to be compiled and cached every time a new 717 * DTrace library handle is initialized. This string should only be used to 718 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 719 */ 720static const char _dtrace_hardwire[] = "\ 721inline long NULL = 0; \n\ 722#pragma D binding \"1.0\" NULL\n\ 723"; 724 725/* 726 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 727 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 728 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 729 * relying on the fact that when running dtrace(1M), isaexec will invoke the 730 * binary with the same bitness as the kernel, which is what we want by default 731 * when generating our DIF. The user can override the choice using oflags. 732 */ 733static const dtrace_conf_t _dtrace_conf = { 734 DIF_VERSION, /* dtc_difversion */ 735 DIF_DIR_NREGS, /* dtc_difintregs */ 736 DIF_DTR_NREGS, /* dtc_diftupregs */ 737 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 738}; 739 740const dtrace_attribute_t _dtrace_maxattr = { 741 DTRACE_STABILITY_MAX, 742 DTRACE_STABILITY_MAX, 743 DTRACE_CLASS_MAX 744}; 745 746const dtrace_attribute_t _dtrace_defattr = { 747 DTRACE_STABILITY_STABLE, 748 DTRACE_STABILITY_STABLE, 749 DTRACE_CLASS_COMMON 750}; 751 752const dtrace_attribute_t _dtrace_symattr = { 753 DTRACE_STABILITY_PRIVATE, 754 DTRACE_STABILITY_PRIVATE, 755 DTRACE_CLASS_UNKNOWN 756}; 757 758const dtrace_attribute_t _dtrace_typattr = { 759 DTRACE_STABILITY_PRIVATE, 760 DTRACE_STABILITY_PRIVATE, 761 DTRACE_CLASS_UNKNOWN 762}; 763 764const dtrace_attribute_t _dtrace_prvattr = { 765 DTRACE_STABILITY_PRIVATE, 766 DTRACE_STABILITY_PRIVATE, 767 DTRACE_CLASS_UNKNOWN 768}; 769 770const dtrace_pattr_t _dtrace_prvdesc = { 771{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 772{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 773{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 774{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 775{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 776}; 777 778#ifdef illumos 779const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 780const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 781#else 782const char *_dtrace_defcpp = "cpp"; /* default cpp(1) to invoke */ 783const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */ 784#endif 785 786const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 787#ifdef illumos 788const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 789#else 790const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */ 791#endif 792 793int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 794int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 795uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 796uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 797uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 798uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 799size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 800int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 801 802int _dtrace_debug = 0; /* debug messages enabled (off) */ 803const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 804int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 805 806typedef struct dt_fdlist { 807 int *df_fds; /* array of provider driver file descriptors */ 808 uint_t df_ents; /* number of valid elements in df_fds[] */ 809 uint_t df_size; /* size of df_fds[] */ 810} dt_fdlist_t; 811 812#ifdef illumos 813#pragma init(_dtrace_init) 814#else 815void _dtrace_init(void) __attribute__ ((constructor)); 816#endif 817void 818_dtrace_init(void) 819{ 820 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 821 822 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 823 if (rd_init(_dtrace_rdvers) == RD_OK) 824 break; 825 } 826#if defined(__i386__) 827 /* make long doubles 64 bits -sson */ 828 (void) fpsetprec(FP_PE); 829#endif 830} 831 832static dtrace_hdl_t * 833set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 834{ 835 if (dtp != NULL) 836 dtrace_close(dtp); 837 if (errp != NULL) 838 *errp = err; 839 return (NULL); 840} 841 842static void 843dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 844{ 845 dt_provmod_t *prov; 846 char path[PATH_MAX]; 847 int fd; 848#ifdef illumos 849 struct dirent *dp, *ep; 850 DIR *dirp; 851 852 if ((dirp = opendir(_dtrace_provdir)) == NULL) 853 return; /* failed to open directory; just skip it */ 854 855 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 856 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 857 858 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 859 if (dp->d_name[0] == '.') 860 continue; /* skip "." and ".." */ 861 862 if (dfp->df_ents == dfp->df_size) { 863 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 864 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 865 866 if (fds == NULL) 867 break; /* skip the rest of this directory */ 868 869 dfp->df_fds = fds; 870 dfp->df_size = size; 871 } 872 873 (void) snprintf(path, sizeof (path), "%s/%s", 874 _dtrace_provdir, dp->d_name); 875 876 if ((fd = open(path, O_RDONLY)) == -1) 877 continue; /* failed to open driver; just skip it */ 878 879 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 880 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 881 free(prov); 882 (void) close(fd); 883 break; 884 } 885 886 (void) strcpy(prov->dp_name, dp->d_name); 887 prov->dp_next = *provmod; 888 *provmod = prov; 889 890 dt_dprintf("opened provider %s\n", dp->d_name); 891 dfp->df_fds[dfp->df_ents++] = fd; 892 } 893 894 (void) closedir(dirp); 895#else /* !illumos */ 896 char *p; 897 char *p1; 898 char *p_providers = NULL; 899 int error; 900 size_t len = 0; 901 902 /* 903 * Loop to allocate/reallocate memory for the string of provider 904 * names and retry: 905 */ 906 while(1) { 907 /* 908 * The first time around, get the string length. The next time, 909 * hopefully we've allocated enough memory. 910 */ 911 error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0); 912 if (len == 0) 913 /* No providers? That's strange. Where's dtrace? */ 914 break; 915 else if (error == 0 && p_providers == NULL) { 916 /* 917 * Allocate the initial memory which should be enough 918 * unless another provider loads before we have 919 * time to go back and get the string. 920 */ 921 if ((p_providers = malloc(len)) == NULL) 922 /* How do we report errors here? */ 923 return; 924 } else if (error == -1 && errno == ENOMEM) { 925 /* 926 * The current buffer isn't large enough, so 927 * reallocate it. We normally won't need to do this 928 * because providers aren't being loaded all the time. 929 */ 930 if ((p = realloc(p_providers,len)) == NULL) 931 /* How do we report errors here? */ 932 return; 933 p_providers = p; 934 } else 935 break; 936 } 937 938 /* Check if we got a string of provider names: */ 939 if (error == 0 && len > 0 && p_providers != NULL) { 940 p = p_providers; 941 942 /* 943 * Parse the string containing the space separated 944 * provider names. 945 */ 946 while ((p1 = strsep(&p," ")) != NULL) { 947 if (dfp->df_ents == dfp->df_size) { 948 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 949 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 950 951 if (fds == NULL) 952 break; 953 954 dfp->df_fds = fds; 955 dfp->df_size = size; 956 } 957 958 (void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1); 959 960 if ((fd = open(path, O_RDONLY)) == -1) 961 continue; /* failed to open driver; just skip it */ 962 963 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 964 (prov->dp_name = malloc(strlen(p1) + 1)) == NULL) { 965 free(prov); 966 (void) close(fd); 967 break; 968 } 969 970 (void) strcpy(prov->dp_name, p1); 971 prov->dp_next = *provmod; 972 *provmod = prov; 973 974 dt_dprintf("opened provider %s\n", p1); 975 dfp->df_fds[dfp->df_ents++] = fd; 976 } 977 } 978 if (p_providers != NULL) 979 free(p_providers); 980#endif /* illumos */ 981} 982 983static void 984dt_provmod_destroy(dt_provmod_t **provmod) 985{ 986 dt_provmod_t *next, *current; 987 988 for (current = *provmod; current != NULL; current = next) { 989 next = current->dp_next; 990 free(current->dp_name); 991 free(current); 992 } 993 994 *provmod = NULL; 995} 996 997#ifdef illumos 998static const char * 999dt_get_sysinfo(int cmd, char *buf, size_t len) 1000{ 1001 ssize_t rv = sysinfo(cmd, buf, len); 1002 char *p = buf; 1003 1004 if (rv < 0 || rv > len) 1005 (void) snprintf(buf, len, "%s", "Unknown"); 1006 1007 while ((p = strchr(p, '.')) != NULL) 1008 *p++ = '_'; 1009 1010 return (buf); 1011} 1012#endif 1013 1014static dtrace_hdl_t * 1015dt_vopen(int version, int flags, int *errp, 1016 const dtrace_vector_t *vector, void *arg) 1017{ 1018 dtrace_hdl_t *dtp = NULL; 1019 int dtfd = -1, ftfd = -1, fterr = 0; 1020 dtrace_prog_t *pgp; 1021 dt_module_t *dmp; 1022 dt_provmod_t *provmod = NULL; 1023 int i, err; 1024 struct rlimit rl; 1025 1026 const dt_intrinsic_t *dinp; 1027 const dt_typedef_t *dtyp; 1028 const dt_ident_t *idp; 1029 1030 dtrace_typeinfo_t dtt; 1031 ctf_funcinfo_t ctc; 1032 ctf_arinfo_t ctr; 1033 1034 dt_fdlist_t df = { NULL, 0, 0 }; 1035 1036 char isadef[32], utsdef[32]; 1037 char s1[64], s2[64]; 1038 1039 if (version <= 0) 1040 return (set_open_errno(dtp, errp, EINVAL)); 1041 1042 if (version > DTRACE_VERSION) 1043 return (set_open_errno(dtp, errp, EDT_VERSION)); 1044 1045 if (version < DTRACE_VERSION) { 1046 /* 1047 * Currently, increasing the library version number is used to 1048 * denote a binary incompatible change. That is, a consumer 1049 * of the library cannot run on a version of the library with 1050 * a higher DTRACE_VERSION number than the consumer compiled 1051 * against. Once the library API has been committed to, 1052 * backwards binary compatibility will be required; at that 1053 * time, this check should change to return EDT_OVERSION only 1054 * if the specified version number is less than the version 1055 * number at the time of interface commitment. 1056 */ 1057 return (set_open_errno(dtp, errp, EDT_OVERSION)); 1058 } 1059 1060 if (flags & ~DTRACE_O_MASK) 1061 return (set_open_errno(dtp, errp, EINVAL)); 1062 1063 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 1064 return (set_open_errno(dtp, errp, EINVAL)); 1065 1066 if (vector == NULL && arg != NULL) 1067 return (set_open_errno(dtp, errp, EINVAL)); 1068 1069 if (elf_version(EV_CURRENT) == EV_NONE) 1070 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 1071 1072 if (vector != NULL || (flags & DTRACE_O_NODEV)) 1073 goto alloc; /* do not attempt to open dtrace device */ 1074 1075 /* 1076 * Before we get going, crank our limit on file descriptors up to the 1077 * hard limit. This is to allow for the fact that libproc keeps file 1078 * descriptors to objects open for the lifetime of the proc handle; 1079 * without raising our hard limit, we would have an acceptably small 1080 * bound on the number of processes that we could concurrently 1081 * instrument with the pid provider. 1082 */ 1083 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 1084 rl.rlim_cur = rl.rlim_max; 1085 (void) setrlimit(RLIMIT_NOFILE, &rl); 1086 } 1087 1088 /* 1089 * Get the device path of each of the providers. We hold them open 1090 * in the df.df_fds list until we open the DTrace driver itself, 1091 * allowing us to see all of the probes provided on this system. Once 1092 * we have the DTrace driver open, we can safely close all the providers 1093 * now that they have registered with the framework. 1094 */ 1095 dt_provmod_open(&provmod, &df); 1096 1097 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1098 err = errno; /* save errno from opening dtfd */ 1099#if defined(__FreeBSD__) 1100 /* 1101 * Automatically load the 'dtraceall' module if we couldn't open the 1102 * char device. 1103 */ 1104 if (err == ENOENT && modfind("dtraceall") < 0) { 1105 kldload("dtraceall"); /* ignore the error */ 1106 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1107 err = errno; 1108 } 1109#endif 1110#ifdef illumos 1111 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 1112#else 1113 ftfd = open("/dev/dtrace/fasttrap", O_RDWR); 1114#endif 1115 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 1116 1117 while (df.df_ents-- != 0) 1118 (void) close(df.df_fds[df.df_ents]); 1119 1120 free(df.df_fds); 1121 1122 /* 1123 * If we failed to open the dtrace device, fail dtrace_open(). 1124 * We convert some kernel errnos to custom libdtrace errnos to 1125 * improve the resulting message from the usual strerror(). 1126 */ 1127 if (dtfd == -1) { 1128 dt_provmod_destroy(&provmod); 1129 switch (err) { 1130 case ENOENT: 1131 err = EDT_NOENT; 1132 break; 1133 case EBUSY: 1134 err = EDT_BUSY; 1135 break; 1136 case EACCES: 1137 err = EDT_ACCESS; 1138 break; 1139 } 1140 return (set_open_errno(dtp, errp, err)); 1141 } 1142 1143 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 1144 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 1145 1146alloc: 1147 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 1148 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1149 1150 bzero(dtp, sizeof (dtrace_hdl_t)); 1151 dtp->dt_oflags = flags; 1152#ifdef illumos 1153 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 1154#else 1155 dtp->dt_prcmode = DT_PROC_STOP_POSTINIT; 1156#endif 1157 dtp->dt_linkmode = DT_LINK_KERNEL; 1158 dtp->dt_linktype = DT_LTYP_ELF; 1159 dtp->dt_xlatemode = DT_XL_STATIC; 1160 dtp->dt_stdcmode = DT_STDC_XA; 1161 dtp->dt_encoding = DT_ENCODING_UNSET; 1162 dtp->dt_version = version; 1163 dtp->dt_fd = dtfd; 1164 dtp->dt_ftfd = ftfd; 1165 dtp->dt_fterr = fterr; 1166 dtp->dt_cdefs_fd = -1; 1167 dtp->dt_ddefs_fd = -1; 1168#ifdef illumos 1169 dtp->dt_stdout_fd = -1; 1170#else 1171 dtp->dt_freopen_fp = NULL; 1172#endif 1173 dtp->dt_modbuckets = _dtrace_strbuckets; 1174 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1175 dtp->dt_provbuckets = _dtrace_strbuckets; 1176 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 1177 dt_proc_hash_create(dtp); 1178 dtp->dt_vmax = DT_VERS_LATEST; 1179 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 1180 dtp->dt_cpp_argv = malloc(sizeof (char *)); 1181 dtp->dt_cpp_argc = 1; 1182 dtp->dt_cpp_args = 1; 1183 dtp->dt_ld_path = strdup(_dtrace_defld); 1184 dtp->dt_provmod = provmod; 1185 dtp->dt_vector = vector; 1186 dtp->dt_varg = arg; 1187 dt_dof_init(dtp); 1188 (void) uname(&dtp->dt_uts); 1189 1190 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 1191 dtp->dt_procs == NULL || dtp->dt_ld_path == NULL || 1192 dtp->dt_cpp_path == NULL || dtp->dt_cpp_argv == NULL) 1193 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1194 1195 for (i = 0; i < DTRACEOPT_MAX; i++) 1196 dtp->dt_options[i] = DTRACEOPT_UNSET; 1197 1198 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 1199 1200#ifdef illumos 1201 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 1202 (uint_t)(sizeof (void *) * NBBY)); 1203 1204 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 1205 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 1206 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 1207 1208 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 1209 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 1210 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 1211 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 1212 dt_cpp_add_arg(dtp, isadef) == NULL || 1213 dt_cpp_add_arg(dtp, utsdef) == NULL) 1214 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1215#endif 1216 1217 if (flags & DTRACE_O_NODEV) 1218 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1219 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1220 return (set_open_errno(dtp, errp, errno)); 1221 1222 if (flags & DTRACE_O_LP64) 1223 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1224 else if (flags & DTRACE_O_ILP32) 1225 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1226 1227#ifdef __sparc 1228 /* 1229 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1230 * and __sparcv9 is defined if we are doing a 64-bit compile. 1231 */ 1232 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1233 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1234 1235 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1236 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1237 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1238#endif 1239 1240#ifdef illumos 1241#ifdef __x86 1242 /* 1243 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1244 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1245 * they are defined exclusive of one another (see PSARC 2004/619). 1246 */ 1247 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1248 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1249 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1250 } else { 1251 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1252 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1253 } 1254#endif 1255#else 1256#if defined(__amd64__) || defined(__i386__) 1257 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1258 if (dt_cpp_add_arg(dtp, "-m64") == NULL) 1259 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1260 } else { 1261 if (dt_cpp_add_arg(dtp, "-m32") == NULL) 1262 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1263 } 1264#endif 1265#endif 1266 1267 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1268 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1269 1270 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1271 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1272 else 1273 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1274 1275 /* 1276 * On FreeBSD the kernel module name can't be hard-coded. The 1277 * 'kern.bootfile' sysctl value tells us exactly which file is being 1278 * used as the kernel. 1279 */ 1280#ifndef illumos 1281 { 1282 char bootfile[MAXPATHLEN]; 1283 char *p; 1284 int i; 1285 size_t len = sizeof(bootfile); 1286 1287 /* This call shouldn't fail, but use a default just in case. */ 1288 if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0) 1289 strlcpy(bootfile, "kernel", sizeof(bootfile)); 1290 1291 if ((p = strrchr(bootfile, '/')) != NULL) 1292 p++; 1293 else 1294 p = bootfile; 1295 1296 /* 1297 * Format the global variables based on the kernel module name. 1298 */ 1299 snprintf(curthread_str, sizeof(curthread_str), "%s`struct thread *",p); 1300 snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`struct mtx *)",p); 1301 snprintf(threadmtx_str, sizeof(threadmtx_str), "struct thread *(%s`struct mtx *)",p); 1302 snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`struct rwlock *)",p); 1303 snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sxlock *)",p); 1304 } 1305#endif 1306 1307 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1308 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1309 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1310 1311 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1312 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1313 1314 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1315 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1316 1317 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1318 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1319 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1320 1321 /* 1322 * Populate the dt_macros identifier hash table by hand: we can't use 1323 * the dt_idhash_populate() mechanism because we're not yet compiling 1324 * and dtrace_update() needs to immediately reference these idents. 1325 */ 1326 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1327 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1328 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1329 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1330 idp->di_iarg, 0) == NULL) 1331 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1332 } 1333 1334 /* 1335 * Update the module list using /system/object and load the values for 1336 * the macro variable definitions according to the current process. 1337 */ 1338 dtrace_update(dtp); 1339 1340 /* 1341 * Select the intrinsics and typedefs we want based on the data model. 1342 * The intrinsics are under "C". The typedefs are added under "D". 1343 */ 1344 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1345 dinp = _dtrace_intrinsics_32; 1346 dtyp = _dtrace_typedefs_32; 1347 } else { 1348 dinp = _dtrace_intrinsics_64; 1349 dtyp = _dtrace_typedefs_64; 1350 } 1351 1352 /* 1353 * Create a dynamic CTF container under the "C" scope for intrinsic 1354 * types and types defined in ANSI-C header files that are included. 1355 */ 1356 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1357 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1358 1359 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1360 return (set_open_errno(dtp, errp, EDT_CTF)); 1361 1362 dt_dprintf("created CTF container for %s (%p)\n", 1363 dmp->dm_name, (void *)dmp->dm_ctfp); 1364 1365 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1366 ctf_setspecific(dmp->dm_ctfp, dmp); 1367 1368 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1369 dmp->dm_modid = -1; /* no module ID */ 1370 1371 /* 1372 * Fill the dynamic "C" CTF container with all of the intrinsic 1373 * integer and floating-point types appropriate for this data model. 1374 */ 1375 for (; dinp->din_name != NULL; dinp++) { 1376 if (dinp->din_kind == CTF_K_INTEGER) { 1377 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1378 dinp->din_name, &dinp->din_data); 1379 } else { 1380 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1381 dinp->din_name, &dinp->din_data); 1382 } 1383 1384 if (err == CTF_ERR) { 1385 dt_dprintf("failed to add %s to C container: %s\n", 1386 dinp->din_name, ctf_errmsg( 1387 ctf_errno(dmp->dm_ctfp))); 1388 return (set_open_errno(dtp, errp, EDT_CTF)); 1389 } 1390 } 1391 1392 if (ctf_update(dmp->dm_ctfp) != 0) { 1393 dt_dprintf("failed to update C container: %s\n", 1394 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1395 return (set_open_errno(dtp, errp, EDT_CTF)); 1396 } 1397 1398 /* 1399 * Add intrinsic pointer types that are needed to initialize printf 1400 * format dictionary types (see table in dt_printf.c). 1401 */ 1402 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1403 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1404 1405 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1406 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1407 1408 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1409 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1410 1411 if (ctf_update(dmp->dm_ctfp) != 0) { 1412 dt_dprintf("failed to update C container: %s\n", 1413 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1414 return (set_open_errno(dtp, errp, EDT_CTF)); 1415 } 1416 1417 /* 1418 * Create a dynamic CTF container under the "D" scope for types that 1419 * are defined by the D program itself or on-the-fly by the D compiler. 1420 * The "D" CTF container is a child of the "C" CTF container. 1421 */ 1422 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1423 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1424 1425 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1426 return (set_open_errno(dtp, errp, EDT_CTF)); 1427 1428 dt_dprintf("created CTF container for %s (%p)\n", 1429 dmp->dm_name, (void *)dmp->dm_ctfp); 1430 1431 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1432 ctf_setspecific(dmp->dm_ctfp, dmp); 1433 1434 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1435 dmp->dm_modid = -1; /* no module ID */ 1436 1437 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1438 dt_dprintf("failed to import D parent container: %s\n", 1439 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1440 return (set_open_errno(dtp, errp, EDT_CTF)); 1441 } 1442 1443 /* 1444 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1445 * that we need to use for our D variable and function definitions. 1446 * This ensures that basic inttypes.h names are always available to us. 1447 */ 1448 for (; dtyp->dty_src != NULL; dtyp++) { 1449 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1450 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1451 dtyp->dty_src)) == CTF_ERR) { 1452 dt_dprintf("failed to add typedef %s %s to D " 1453 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1454 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1455 return (set_open_errno(dtp, errp, EDT_CTF)); 1456 } 1457 } 1458 1459 /* 1460 * Insert a CTF ID corresponding to a pointer to a type of kind 1461 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1462 * CTF treats all function pointers as "int (*)()" so we only need one. 1463 */ 1464 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1465 ctc.ctc_argc = 0; 1466 ctc.ctc_flags = 0; 1467 1468 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1469 CTF_ADD_ROOT, &ctc, NULL); 1470 1471 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1472 CTF_ADD_ROOT, dtp->dt_type_func); 1473 1474 /* 1475 * We also insert CTF definitions for the special D intrinsic types 1476 * string and <DYN> into the D container. The string type is added 1477 * as a typedef of char[n]. The <DYN> type is an alias for void. 1478 * We compare types to these special CTF ids throughout the compiler. 1479 */ 1480 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1481 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1482 ctr.ctr_nelems = _dtrace_strsize; 1483 1484 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1485 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1486 1487 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1488 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1489 1490 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1491 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1492 1493 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1494 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1495 1496 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1497 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1498 1499 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1500 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1501 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1502 dtp->dt_type_usymaddr == CTF_ERR) { 1503 dt_dprintf("failed to add intrinsic to D container: %s\n", 1504 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1505 return (set_open_errno(dtp, errp, EDT_CTF)); 1506 } 1507 1508 if (ctf_update(dmp->dm_ctfp) != 0) { 1509 dt_dprintf("failed update D container: %s\n", 1510 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1511 return (set_open_errno(dtp, errp, EDT_CTF)); 1512 } 1513 1514 /* 1515 * Initialize the integer description table used to convert integer 1516 * constants to the appropriate types. Refer to the comments above 1517 * dt_node_int() for a complete description of how this table is used. 1518 */ 1519 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1520 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1521 dtp->dt_ints[i].did_name, &dtt) != 0) { 1522 dt_dprintf("failed to lookup integer type %s: %s\n", 1523 dtp->dt_ints[i].did_name, 1524 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1525 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1526 } 1527 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1528 dtp->dt_ints[i].did_type = dtt.dtt_type; 1529 } 1530 1531 /* 1532 * Now that we've created the "C" and "D" containers, move them to the 1533 * start of the module list so that these types and symbols are found 1534 * first (for stability) when iterating through the module list. 1535 */ 1536 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1537 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1538 1539 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1540 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1541 1542 if (dt_pfdict_create(dtp) == -1) 1543 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1544 1545 /* 1546 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1547 * because without /dev/dtrace open, we will not be able to load the 1548 * names and attributes of any providers or probes from the kernel. 1549 */ 1550 if (flags & DTRACE_O_NODEV) 1551 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1552 1553 /* 1554 * Load hard-wired inlines into the definition cache by calling the 1555 * compiler on the raw definition string defined above. 1556 */ 1557 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1558 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1559 dt_dprintf("failed to load hard-wired definitions: %s\n", 1560 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1561 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1562 } 1563 1564 dt_program_destroy(dtp, pgp); 1565 1566 /* 1567 * Set up the default DTrace library path. Once set, the next call to 1568 * dt_compile() will compile all the libraries. We intentionally defer 1569 * library processing to improve overhead for clients that don't ever 1570 * compile, and to provide better error reporting (because the full 1571 * reporting of compiler errors requires dtrace_open() to succeed). 1572 */ 1573 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1574 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1575 1576 return (dtp); 1577} 1578 1579dtrace_hdl_t * 1580dtrace_open(int version, int flags, int *errp) 1581{ 1582 return (dt_vopen(version, flags, errp, NULL, NULL)); 1583} 1584 1585dtrace_hdl_t * 1586dtrace_vopen(int version, int flags, int *errp, 1587 const dtrace_vector_t *vector, void *arg) 1588{ 1589 return (dt_vopen(version, flags, errp, vector, arg)); 1590} 1591 1592void 1593dtrace_close(dtrace_hdl_t *dtp) 1594{ 1595 dt_ident_t *idp, *ndp; 1596 dt_module_t *dmp; 1597 dt_provider_t *pvp; 1598 dtrace_prog_t *pgp; 1599 dt_xlator_t *dxp; 1600 dt_dirpath_t *dirp; 1601 int i; 1602 1603 if (dtp->dt_procs != NULL) 1604 dt_proc_hash_destroy(dtp); 1605 1606 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1607 dt_program_destroy(dtp, pgp); 1608 1609 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1610 dt_xlator_destroy(dtp, dxp); 1611 1612 dt_free(dtp, dtp->dt_xlatormap); 1613 1614 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1615 ndp = idp->di_next; 1616 dt_ident_destroy(idp); 1617 } 1618 1619 if (dtp->dt_macros != NULL) 1620 dt_idhash_destroy(dtp->dt_macros); 1621 if (dtp->dt_aggs != NULL) 1622 dt_idhash_destroy(dtp->dt_aggs); 1623 if (dtp->dt_globals != NULL) 1624 dt_idhash_destroy(dtp->dt_globals); 1625 if (dtp->dt_tls != NULL) 1626 dt_idhash_destroy(dtp->dt_tls); 1627 1628 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1629 dt_module_destroy(dtp, dmp); 1630 1631 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1632 dt_provider_destroy(dtp, pvp); 1633 1634 if (dtp->dt_fd != -1) 1635 (void) close(dtp->dt_fd); 1636 if (dtp->dt_ftfd != -1) 1637 (void) close(dtp->dt_ftfd); 1638 if (dtp->dt_cdefs_fd != -1) 1639 (void) close(dtp->dt_cdefs_fd); 1640 if (dtp->dt_ddefs_fd != -1) 1641 (void) close(dtp->dt_ddefs_fd); 1642#ifdef illumos 1643 if (dtp->dt_stdout_fd != -1) 1644 (void) close(dtp->dt_stdout_fd); 1645#else 1646 if (dtp->dt_freopen_fp != NULL) 1647 (void) fclose(dtp->dt_freopen_fp); 1648#endif 1649 1650 dt_epid_destroy(dtp); 1651 dt_aggid_destroy(dtp); 1652 dt_format_destroy(dtp); 1653 dt_strdata_destroy(dtp); 1654 dt_buffered_destroy(dtp); 1655 dt_aggregate_destroy(dtp); 1656 dt_pfdict_destroy(dtp); 1657 dt_provmod_destroy(&dtp->dt_provmod); 1658 dt_dof_fini(dtp); 1659 1660 for (i = 1; i < dtp->dt_cpp_argc; i++) 1661 free(dtp->dt_cpp_argv[i]); 1662 1663 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1664 dt_list_delete(&dtp->dt_lib_path, dirp); 1665 free(dirp->dir_path); 1666 free(dirp); 1667 } 1668 1669 free(dtp->dt_cpp_argv); 1670 free(dtp->dt_cpp_path); 1671 free(dtp->dt_ld_path); 1672 1673 free(dtp->dt_mods); 1674 free(dtp->dt_provs); 1675 free(dtp); 1676} 1677 1678int 1679dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1680{ 1681 dt_provmod_t *prov; 1682 int i = 0; 1683 1684 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1685 if (i < nmods) 1686 mods[i] = prov->dp_name; 1687 } 1688 1689 return (i); 1690} 1691 1692int 1693dtrace_ctlfd(dtrace_hdl_t *dtp) 1694{ 1695 return (dtp->dt_fd); 1696} 1697