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