dt_open.c revision 267941
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#if defined(sun) 30#include <sys/modctl.h> 31#include <sys/systeminfo.h> 32#endif 33#include <sys/resource.h> 34 35#include <libelf.h> 36#include <strings.h> 37#if defined(sun) 38#include <alloca.h> 39#endif 40#include <limits.h> 41#include <unistd.h> 42#include <stdlib.h> 43#include <stdio.h> 44#include <fcntl.h> 45#include <errno.h> 46#include <assert.h> 47 48#define _POSIX_PTHREAD_SEMANTICS 49#include <dirent.h> 50#undef _POSIX_PTHREAD_SEMANTICS 51 52#include <dt_impl.h> 53#include <dt_program.h> 54#include <dt_module.h> 55#include <dt_printf.h> 56#include <dt_string.h> 57#include <dt_provider.h> 58#if !defined(sun) 59#include <sys/sysctl.h> 60#include <string.h> 61#endif 62#if defined(__i386__) 63#include <ieeefp.h> 64#endif 65 66/* 67 * Stability and versioning definitions. These #defines are used in the tables 68 * of identifiers below to fill in the attribute and version fields associated 69 * with each identifier. The DT_ATTR_* macros are a convenience to permit more 70 * concise declarations of common attributes such as Stable/Stable/Common. The 71 * DT_VERS_* macros declare the encoded integer values of all versions used so 72 * far. DT_VERS_LATEST must correspond to the latest version value among all 73 * versions exported by the D compiler. DT_VERS_STRING must be an ASCII string 74 * that contains DT_VERS_LATEST within it along with any suffixes (e.g. Beta). 75 * You must update DT_VERS_LATEST and DT_VERS_STRING when adding a new version, 76 * and then add the new version to the _dtrace_versions[] array declared below. 77 * Refer to the Solaris Dynamic Tracing Guide Stability and Versioning chapters 78 * respectively for an explanation of these DTrace features and their values. 79 * 80 * NOTE: Although the DTrace versioning scheme supports the labeling and 81 * introduction of incompatible changes (e.g. dropping an interface in a 82 * major release), the libdtrace code does not currently support this. 83 * All versions are assumed to strictly inherit from one another. If 84 * we ever need to provide divergent interfaces, this will need work. 85 */ 86#define DT_ATTR_STABCMN { DTRACE_STABILITY_STABLE, \ 87 DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON } 88 89#define DT_ATTR_EVOLCMN { DTRACE_STABILITY_EVOLVING, \ 90 DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON \ 91} 92 93/* 94 * The version number should be increased for every customer visible release 95 * of DTrace. The major number should be incremented when a fundamental 96 * change has been made that would affect all consumers, and would reflect 97 * sweeping changes to DTrace or the D language. The minor number should be 98 * incremented when a change is introduced that could break scripts that had 99 * previously worked; for example, adding a new built-in variable could break 100 * a script which was already using that identifier. The micro number should 101 * be changed when introducing functionality changes or major bug fixes that 102 * do not affect backward compatibility -- this is merely to make capabilities 103 * easily determined from the version number. Minor bugs do not require any 104 * modification to the version number. 105 */ 106#define DT_VERS_1_0 DT_VERSION_NUMBER(1, 0, 0) 107#define DT_VERS_1_1 DT_VERSION_NUMBER(1, 1, 0) 108#define DT_VERS_1_2 DT_VERSION_NUMBER(1, 2, 0) 109#define DT_VERS_1_2_1 DT_VERSION_NUMBER(1, 2, 1) 110#define DT_VERS_1_2_2 DT_VERSION_NUMBER(1, 2, 2) 111#define DT_VERS_1_3 DT_VERSION_NUMBER(1, 3, 0) 112#define DT_VERS_1_4 DT_VERSION_NUMBER(1, 4, 0) 113#define DT_VERS_1_4_1 DT_VERSION_NUMBER(1, 4, 1) 114#define DT_VERS_1_5 DT_VERSION_NUMBER(1, 5, 0) 115#define DT_VERS_1_6 DT_VERSION_NUMBER(1, 6, 0) 116#define DT_VERS_1_6_1 DT_VERSION_NUMBER(1, 6, 1) 117#define DT_VERS_1_6_2 DT_VERSION_NUMBER(1, 6, 2) 118#define DT_VERS_1_6_3 DT_VERSION_NUMBER(1, 6, 3) 119#define DT_VERS_1_7 DT_VERSION_NUMBER(1, 7, 0) 120#define DT_VERS_1_7_1 DT_VERSION_NUMBER(1, 7, 1) 121#define DT_VERS_1_8 DT_VERSION_NUMBER(1, 8, 0) 122#define DT_VERS_1_8_1 DT_VERSION_NUMBER(1, 8, 1) 123#define DT_VERS_1_9 DT_VERSION_NUMBER(1, 9, 0) 124#define DT_VERS_1_9_1 DT_VERSION_NUMBER(1, 9, 1) 125#define DT_VERS_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_LATEST DT_VERS_1_12 129#define DT_VERS_STRING "Sun D 1.12" 130 131const dt_version_t _dtrace_versions[] = { 132 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 133 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 134 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 135 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 136 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 137 DT_VERS_1_3, /* D API 1.3 Solaris Express 10/06 */ 138 DT_VERS_1_4, /* D API 1.4 Solaris Express 2/07 */ 139 DT_VERS_1_4_1, /* D API 1.4.1 Solaris Express 4/07 */ 140 DT_VERS_1_5, /* D API 1.5 Solaris Express 7/07 */ 141 DT_VERS_1_6, /* D API 1.6 */ 142 DT_VERS_1_6_1, /* D API 1.6.1 */ 143 DT_VERS_1_6_2, /* D API 1.6.2 */ 144 DT_VERS_1_6_3, /* D API 1.6.3 */ 145 DT_VERS_1_7, /* D API 1.7 */ 146 DT_VERS_1_7_1, /* D API 1.7.1 */ 147 DT_VERS_1_8, /* D API 1.8 */ 148 DT_VERS_1_8_1, /* D API 1.8.1 */ 149 DT_VERS_1_9, /* D API 1.9 */ 150 DT_VERS_1_9_1, /* D API 1.9.1 */ 151 DT_VERS_1_10, /* D API 1.10 */ 152 DT_VERS_1_11, /* D API 1.11 */ 153 DT_VERS_1_12, /* D API 1.12 */ 154 0 155}; 156 157/* 158 * Global variables that are formatted on FreeBSD based on the kernel file name. 159 */ 160#if !defined(sun) 161static char curthread_str[MAXPATHLEN]; 162static char intmtx_str[MAXPATHLEN]; 163static char threadmtx_str[MAXPATHLEN]; 164static char rwlock_str[MAXPATHLEN]; 165static char sxlock_str[MAXPATHLEN]; 166#endif 167 168/* 169 * Table of global identifiers. This is used to populate the global identifier 170 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 171 * The global identifiers that represent functions use the dt_idops_func ops 172 * and specify the private data pointer as a prototype string which is parsed 173 * when the identifier is first encountered. These prototypes look like ANSI 174 * C function prototypes except that the special symbol "@" can be used as a 175 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 176 * The standard "..." notation can also be used to represent varargs. An empty 177 * parameter list is taken to mean void (that is, no arguments are permitted). 178 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 179 * argument. 180 */ 181static const dt_ident_t _dtrace_globals[] = { 182{ "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 183 &dt_idops_func, "void *(size_t)" }, 184{ "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 185 &dt_idops_type, "int64_t" }, 186{ "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 187 &dt_idops_type, "int64_t" }, 188{ "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 189 &dt_idops_type, "int64_t" }, 190{ "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 191 &dt_idops_type, "int64_t" }, 192{ "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 193 &dt_idops_type, "int64_t" }, 194{ "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 195 &dt_idops_type, "int64_t" }, 196{ "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 197 &dt_idops_type, "int64_t" }, 198{ "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 199 &dt_idops_type, "int64_t" }, 200{ "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 201 &dt_idops_type, "int64_t" }, 202{ "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 203 &dt_idops_type, "int64_t" }, 204{ "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 205 &dt_idops_args, NULL }, 206{ "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 207 &dt_idops_func, "void(@)" }, 208{ "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 209 &dt_idops_func, "string(const char *)" }, 210{ "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 211 &dt_idops_func, "void(void *, void *, size_t)" }, 212{ "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 213 DT_ATTR_STABCMN, DT_VERS_1_0, 214 &dt_idops_func, "void()" }, 215{ "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 216 &dt_idops_type, "uintptr_t" }, 217{ "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 218 &dt_idops_func, "void(int)" }, 219{ "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 220 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 221{ "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 222 &dt_idops_func, "void(...)" }, 223{ "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 224 &dt_idops_func, "void(int)" }, 225{ "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 226 &dt_idops_func, "void *(uintptr_t, size_t)" }, 227{ "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 228 DT_ATTR_STABCMN, DT_VERS_1_0, 229 &dt_idops_func, "string(uintptr_t, [size_t])" }, 230{ "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 231 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 232{ "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 233 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 234{ "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 235 DT_ATTR_STABCMN, DT_VERS_1_0, 236 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 237{ "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 238 &dt_idops_func, "void()" }, 239{ "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 240 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 241 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 242#if defined(sun) 243 &dt_idops_type, "genunix`kthread_t *" }, 244#else 245 &dt_idops_type, curthread_str }, 246#endif 247{ "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 248 DT_ATTR_EVOLCMN, DT_VERS_1_0, 249 &dt_idops_func, "string(void *, int64_t)" }, 250{ "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 251 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 252{ "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 253 &dt_idops_func, "string(const char *)" }, 254{ "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 255 &dt_idops_func, "void(int)" }, 256{ "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 257 &dt_idops_type, "uint_t" }, 258{ "errno", DT_IDENT_SCALAR, 0, DIF_VAR_ERRNO, DT_ATTR_STABCMN, DT_VERS_1_0, 259 &dt_idops_type, "int" }, 260{ "execargs", DT_IDENT_SCALAR, 0, DIF_VAR_EXECARGS, 261 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 262{ "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 263 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 264{ "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 265 &dt_idops_func, "void(int)" }, 266{ "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 267 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 268{ "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 269 DT_VERS_1_0, &dt_idops_func, "void()" }, 270{ "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 271 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 272{ "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 273 DT_ATTR_EVOLCMN, DT_VERS_1_0, 274 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 275{ "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 276 DT_ATTR_EVOLCMN, DT_VERS_1_0, 277 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 278{ "htonl", DT_IDENT_FUNC, 0, DIF_SUBR_HTONL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 279 &dt_idops_func, "uint32_t(uint32_t)" }, 280{ "htonll", DT_IDENT_FUNC, 0, DIF_SUBR_HTONLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 281 &dt_idops_func, "uint64_t(uint64_t)" }, 282{ "htons", DT_IDENT_FUNC, 0, DIF_SUBR_HTONS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 283 &dt_idops_func, "uint16_t(uint16_t)" }, 284{ "getf", DT_IDENT_FUNC, 0, DIF_SUBR_GETF, DT_ATTR_STABCMN, DT_VERS_1_10, 285 &dt_idops_func, "file_t *(int)" }, 286{ "gid", DT_IDENT_SCALAR, 0, DIF_VAR_GID, DT_ATTR_STABCMN, DT_VERS_1_0, 287 &dt_idops_type, "gid_t" }, 288{ "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 289 &dt_idops_type, "uint_t" }, 290{ "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 291 &dt_idops_func, "int(const char *, const char *, [int])" }, 292{ "inet_ntoa", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA, DT_ATTR_STABCMN, 293#if defined(sun) 294 DT_VERS_1_5, &dt_idops_func, "string(ipaddr_t *)" }, 295#else 296 DT_VERS_1_5, &dt_idops_func, "string(in_addr_t *)" }, 297#endif 298{ "inet_ntoa6", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOA6, DT_ATTR_STABCMN, 299#if defined(sun) 300 DT_VERS_1_5, &dt_idops_func, "string(in6_addr_t *)" }, 301#else 302 DT_VERS_1_5, &dt_idops_func, "string(struct in6_addr *)" }, 303#endif 304{ "inet_ntop", DT_IDENT_FUNC, 0, DIF_SUBR_INET_NTOP, DT_ATTR_STABCMN, 305 DT_VERS_1_5, &dt_idops_func, "string(int, void *)" }, 306{ "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 307 &dt_idops_type, "uint_t" }, 308{ "json", DT_IDENT_FUNC, 0, DIF_SUBR_JSON, DT_ATTR_STABCMN, DT_VERS_1_11, 309 &dt_idops_func, "string(const char *, const char *)" }, 310{ "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 311 &dt_idops_func, "stack(...)" }, 312{ "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 313 &dt_idops_func, "string(int64_t, [int])" }, 314{ "llquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LLQUANTIZE, DT_ATTR_STABCMN, 315 DT_VERS_1_7, &dt_idops_func, 316 "void(@, int32_t, int32_t, int32_t, int32_t, ...)" }, 317{ "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 318 DT_ATTR_STABCMN, DT_VERS_1_0, 319 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 320{ "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 321 &dt_idops_func, "void(@)" }, 322{ "memref", DT_IDENT_FUNC, 0, DIF_SUBR_MEMREF, DT_ATTR_STABCMN, DT_VERS_1_1, 323 &dt_idops_func, "uintptr_t *(void *, size_t)" }, 324#if !defined(sun) 325{ "memstr", DT_IDENT_FUNC, 0, DIF_SUBR_MEMSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 326 &dt_idops_func, "string(void *, char, size_t)" }, 327#endif 328{ "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 329 &dt_idops_func, "void(@)" }, 330{ "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 331 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 332{ "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 333 DT_ATTR_STABCMN, DT_VERS_1_0, 334 &dt_idops_func, "size_t(mblk_t *)" }, 335{ "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 336 DT_ATTR_STABCMN, DT_VERS_1_0, 337 &dt_idops_func, "size_t(mblk_t *)" }, 338#if defined(sun) 339{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 340 DT_ATTR_EVOLCMN, DT_VERS_1_0, 341 &dt_idops_func, "int(genunix`kmutex_t *)" }, 342{ "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 343 DT_ATTR_EVOLCMN, DT_VERS_1_0, 344 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 345{ "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 346 DT_ATTR_EVOLCMN, DT_VERS_1_0, 347 &dt_idops_func, "int(genunix`kmutex_t *)" }, 348{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 349 DT_ATTR_EVOLCMN, DT_VERS_1_0, 350 &dt_idops_func, "int(genunix`kmutex_t *)" }, 351#else 352{ "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 353 DT_ATTR_EVOLCMN, DT_VERS_1_0, 354 &dt_idops_func, intmtx_str }, 355{ "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 356 DT_ATTR_EVOLCMN, DT_VERS_1_0, 357 &dt_idops_func, threadmtx_str }, 358{ "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 359 DT_ATTR_EVOLCMN, DT_VERS_1_0, 360 &dt_idops_func, intmtx_str }, 361{ "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 362 DT_ATTR_EVOLCMN, DT_VERS_1_0, 363 &dt_idops_func, intmtx_str }, 364#endif 365{ "ntohl", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 366 &dt_idops_func, "uint32_t(uint32_t)" }, 367{ "ntohll", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHLL, DT_ATTR_EVOLCMN, DT_VERS_1_3, 368 &dt_idops_func, "uint64_t(uint64_t)" }, 369{ "ntohs", DT_IDENT_FUNC, 0, DIF_SUBR_NTOHS, DT_ATTR_EVOLCMN, DT_VERS_1_3, 370 &dt_idops_func, "uint16_t(uint16_t)" }, 371{ "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 372 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 373{ "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 374 &dt_idops_func, "void()" }, 375{ "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 376 &dt_idops_type, "pid_t" }, 377{ "ppid", DT_IDENT_SCALAR, 0, DIF_VAR_PPID, DT_ATTR_STABCMN, DT_VERS_1_0, 378 &dt_idops_type, "pid_t" }, 379{ "print", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINT, DT_ATTR_STABCMN, DT_VERS_1_9, 380 &dt_idops_func, "void(@)" }, 381{ "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 382 &dt_idops_func, "void(@, ...)" }, 383{ "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 384 &dt_idops_func, "void(@, ...)" }, 385{ "printm", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTM, DT_ATTR_STABCMN, DT_VERS_1_0, 386 &dt_idops_func, "void(size_t, uintptr_t *)" }, 387{ "printt", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTT, DT_ATTR_STABCMN, DT_VERS_1_0, 388 &dt_idops_func, "void(size_t, uintptr_t *)" }, 389{ "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 390 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 391{ "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 392 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 393{ "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 394 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 395{ "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 396 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 397{ "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 398 DT_ATTR_STABCMN, DT_VERS_1_0, 399 &dt_idops_func, "int(pid_t)" }, 400{ "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 401 DT_ATTR_STABCMN, DT_VERS_1_0, 402 &dt_idops_func, "void(@, ...)" }, 403{ "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 404 &dt_idops_func, "void(int)" }, 405{ "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 406 &dt_idops_func, "int()" }, 407{ "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 408 &dt_idops_func, "int(const char *, const char *, [int])" }, 409#if defined(sun) 410{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 411 DT_ATTR_EVOLCMN, DT_VERS_1_0, 412 &dt_idops_func, "int(genunix`krwlock_t *)" }, 413{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 414 DT_ATTR_EVOLCMN, DT_VERS_1_0, 415 &dt_idops_func, "int(genunix`krwlock_t *)" }, 416{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 417 DT_ATTR_EVOLCMN, DT_VERS_1_0, 418 &dt_idops_func, "int(genunix`krwlock_t *)" }, 419#else 420{ "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 421 DT_ATTR_EVOLCMN, DT_VERS_1_0, 422 &dt_idops_func, rwlock_str }, 423{ "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 424 DT_ATTR_EVOLCMN, DT_VERS_1_0, 425 &dt_idops_func, rwlock_str }, 426{ "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 427 DT_ATTR_EVOLCMN, DT_VERS_1_0, 428 &dt_idops_func, rwlock_str }, 429#endif 430{ "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 431 &dt_idops_type, "void" }, 432{ "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 433 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 434{ "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 435 DT_ATTR_STABCMN, DT_VERS_1_0, 436 &dt_idops_func, "void(int)" }, 437{ "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 438 DT_ATTR_STABCMN, DT_VERS_1_0, 439 &dt_idops_func, "int()" }, 440{ "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 441 &dt_idops_func, "stack(...)" }, 442{ "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 443 DT_ATTR_STABCMN, DT_VERS_1_0, 444 &dt_idops_type, "uint32_t" }, 445{ "stddev", DT_IDENT_AGGFUNC, 0, DTRACEAGG_STDDEV, DT_ATTR_STABCMN, 446 DT_VERS_1_6, &dt_idops_func, "void(@)" }, 447{ "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 448 &dt_idops_func, "void()" }, 449{ "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 450 &dt_idops_func, "string(const char *, char)" }, 451{ "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 452 &dt_idops_func, "size_t(const char *)" }, 453{ "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 454 &dt_idops_func, "string(const char *, const char *)" }, 455{ "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 456 &dt_idops_func, "string(const char *, char)" }, 457{ "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 458 &dt_idops_func, "string(const char *, const char *)" }, 459{ "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 460 &dt_idops_func, "string(const char *, const char *)" }, 461{ "strtoll", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOLL, DT_ATTR_STABCMN, DT_VERS_1_11, 462 &dt_idops_func, "int64_t(const char *, [int])" }, 463{ "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 464 &dt_idops_func, "string(const char *, int, [int])" }, 465{ "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 466 &dt_idops_func, "void(@)" }, 467#if !defined(sun) 468{ "sx_isexclusive", DT_IDENT_FUNC, 0, DIF_SUBR_SX_ISEXCLUSIVE, 469 DT_ATTR_EVOLCMN, DT_VERS_1_0, 470 &dt_idops_func, sxlock_str }, 471{ "sx_shared_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_SHARED_HELD, 472 DT_ATTR_EVOLCMN, DT_VERS_1_0, 473 &dt_idops_func, sxlock_str }, 474{ "sx_exclusive_held", DT_IDENT_FUNC, 0, DIF_SUBR_SX_EXCLUSIVE_HELD, 475 DT_ATTR_EVOLCMN, DT_VERS_1_0, 476 &dt_idops_func, sxlock_str }, 477#endif 478{ "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 479 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 480{ "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 481 &dt_idops_func, "void(@, ...)" }, 482{ "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 483 &dt_idops_type, "void" }, 484{ "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 485 &dt_idops_type, "id_t" }, 486{ "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 487 DT_ATTR_STABCMN, DT_VERS_1_0, 488 &dt_idops_type, "uint64_t" }, 489{ "tolower", DT_IDENT_FUNC, 0, DIF_SUBR_TOLOWER, DT_ATTR_STABCMN, DT_VERS_1_8, 490 &dt_idops_func, "string(const char *)" }, 491{ "toupper", DT_IDENT_FUNC, 0, DIF_SUBR_TOUPPER, DT_ATTR_STABCMN, DT_VERS_1_8, 492 &dt_idops_func, "string(const char *)" }, 493{ "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 494 &dt_idops_func, "void(@)" }, 495{ "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 496 DT_ATTR_STABCMN, DT_VERS_1_0, 497 &dt_idops_func, "void(@, size_t, ...)" }, 498{ "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 499 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 500{ "typeref", DT_IDENT_FUNC, 0, DIF_SUBR_TYPEREF, DT_ATTR_STABCMN, DT_VERS_1_1, 501 &dt_idops_func, "uintptr_t *(void *, size_t, string, size_t)" }, 502{ "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 503 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 504{ "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 505 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 506{ "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 507 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 508{ "uid", DT_IDENT_SCALAR, 0, DIF_VAR_UID, DT_ATTR_STABCMN, DT_VERS_1_0, 509 &dt_idops_type, "uid_t" }, 510{ "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 511 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 512{ "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 513 &dt_idops_regs, NULL }, 514{ "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 515 &dt_idops_func, "stack(...)" }, 516{ "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 517 DT_ATTR_STABCMN, DT_VERS_1_2, 518 &dt_idops_type, "uint32_t" }, 519{ "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 520 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 521{ "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 522 DT_ATTR_STABCMN, DT_VERS_1_0, 523 &dt_idops_type, "uint64_t" }, 524{ "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 525 DT_ATTR_STABCMN, DT_VERS_1_0, 526 &dt_idops_type, "int64_t" }, 527#if defined(sun) 528{ "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 529 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 530#endif 531 532#if !defined(sun) 533{ "cpu", DT_IDENT_SCALAR, 0, DIF_VAR_CPU, 534 DT_ATTR_STABCMN, DT_VERS_1_6_3, &dt_idops_type, "int" }, 535#endif 536 537{ NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 538}; 539 540/* 541 * Tables of ILP32 intrinsic integer and floating-point type templates to use 542 * to populate the dynamic "C" CTF type container. 543 */ 544static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 545{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 546{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 547{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 548{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 549{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 550{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 551{ "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 552{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 553{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 554{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 555{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 556{ "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 557{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 558{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 559{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 560{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 561{ "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 562{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 563{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 564{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 565{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 566{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 567{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 568{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 569{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 570{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 571{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 572{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 573{ NULL, { 0, 0, 0 }, 0 } 574}; 575 576/* 577 * Tables of LP64 intrinsic integer and floating-point type templates to use 578 * to populate the dynamic "C" CTF type container. 579 */ 580static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 581{ "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 582{ "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 583{ "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 584{ "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 585{ "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 586{ "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 587{ "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 588{ "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 589{ "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 590{ "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 591{ "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 592{ "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 593{ "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 594{ "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 595{ "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 596{ "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 597{ "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 598{ "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 599{ "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 600{ "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 601{ "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 602{ "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 603{ "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 604{ "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 605{ "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 606{ "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 607{ "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 608{ "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 609{ NULL, { 0, 0, 0 }, 0 } 610}; 611 612/* 613 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 614 * These aliases ensure that D definitions can use typical <sys/types.h> names. 615 */ 616static const dt_typedef_t _dtrace_typedefs_32[] = { 617{ "char", "int8_t" }, 618{ "short", "int16_t" }, 619{ "int", "int32_t" }, 620{ "long long", "int64_t" }, 621{ "int", "intptr_t" }, 622{ "int", "ssize_t" }, 623{ "unsigned char", "uint8_t" }, 624{ "unsigned short", "uint16_t" }, 625{ "unsigned", "uint32_t" }, 626{ "unsigned long long", "uint64_t" }, 627{ "unsigned char", "uchar_t" }, 628{ "unsigned short", "ushort_t" }, 629{ "unsigned", "uint_t" }, 630{ "unsigned long", "ulong_t" }, 631{ "unsigned long long", "u_longlong_t" }, 632{ "int", "ptrdiff_t" }, 633{ "unsigned", "uintptr_t" }, 634{ "unsigned", "size_t" }, 635{ "long", "id_t" }, 636{ "long", "pid_t" }, 637{ NULL, NULL } 638}; 639 640/* 641 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 642 * These aliases ensure that D definitions can use typical <sys/types.h> names. 643 */ 644static const dt_typedef_t _dtrace_typedefs_64[] = { 645{ "char", "int8_t" }, 646{ "short", "int16_t" }, 647{ "int", "int32_t" }, 648{ "long", "int64_t" }, 649{ "long", "intptr_t" }, 650{ "long", "ssize_t" }, 651{ "unsigned char", "uint8_t" }, 652{ "unsigned short", "uint16_t" }, 653{ "unsigned", "uint32_t" }, 654{ "unsigned long", "uint64_t" }, 655{ "unsigned char", "uchar_t" }, 656{ "unsigned short", "ushort_t" }, 657{ "unsigned", "uint_t" }, 658{ "unsigned long", "ulong_t" }, 659{ "unsigned long long", "u_longlong_t" }, 660{ "long", "ptrdiff_t" }, 661{ "unsigned long", "uintptr_t" }, 662{ "unsigned long", "size_t" }, 663{ "int", "id_t" }, 664{ "int", "pid_t" }, 665{ NULL, NULL } 666}; 667 668/* 669 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 670 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 671 */ 672static const dt_intdesc_t _dtrace_ints_32[] = { 673{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 674{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 675{ "long", NULL, CTF_ERR, 0x7fffffffULL }, 676{ "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 677{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 678{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 679}; 680 681/* 682 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 683 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 684 */ 685static const dt_intdesc_t _dtrace_ints_64[] = { 686{ "int", NULL, CTF_ERR, 0x7fffffffULL }, 687{ "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 688{ "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 689{ "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 690{ "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 691{ "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 692}; 693 694/* 695 * Table of macro variable templates used to populate the macro identifier hash 696 * when a new dtrace client open occurs. Values are set by dtrace_update(). 697 */ 698static const dt_ident_t _dtrace_macros[] = { 699{ "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 700{ "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 701{ "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 702{ "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 703{ "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 704{ "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 705{ "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 706{ "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 707{ "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 708{ "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 709{ "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 710{ NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 711}; 712 713/* 714 * Hard-wired definition string to be compiled and cached every time a new 715 * DTrace library handle is initialized. This string should only be used to 716 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 717 */ 718static const char _dtrace_hardwire[] = "\ 719inline long NULL = 0; \n\ 720#pragma D binding \"1.0\" NULL\n\ 721"; 722 723/* 724 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 725 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 726 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 727 * relying on the fact that when running dtrace(1M), isaexec will invoke the 728 * binary with the same bitness as the kernel, which is what we want by default 729 * when generating our DIF. The user can override the choice using oflags. 730 */ 731static const dtrace_conf_t _dtrace_conf = { 732 DIF_VERSION, /* dtc_difversion */ 733 DIF_DIR_NREGS, /* dtc_difintregs */ 734 DIF_DTR_NREGS, /* dtc_diftupregs */ 735 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 736}; 737 738const dtrace_attribute_t _dtrace_maxattr = { 739 DTRACE_STABILITY_MAX, 740 DTRACE_STABILITY_MAX, 741 DTRACE_CLASS_MAX 742}; 743 744const dtrace_attribute_t _dtrace_defattr = { 745 DTRACE_STABILITY_STABLE, 746 DTRACE_STABILITY_STABLE, 747 DTRACE_CLASS_COMMON 748}; 749 750const dtrace_attribute_t _dtrace_symattr = { 751 DTRACE_STABILITY_PRIVATE, 752 DTRACE_STABILITY_PRIVATE, 753 DTRACE_CLASS_UNKNOWN 754}; 755 756const dtrace_attribute_t _dtrace_typattr = { 757 DTRACE_STABILITY_PRIVATE, 758 DTRACE_STABILITY_PRIVATE, 759 DTRACE_CLASS_UNKNOWN 760}; 761 762const dtrace_attribute_t _dtrace_prvattr = { 763 DTRACE_STABILITY_PRIVATE, 764 DTRACE_STABILITY_PRIVATE, 765 DTRACE_CLASS_UNKNOWN 766}; 767 768const dtrace_pattr_t _dtrace_prvdesc = { 769{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 770{ DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 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}; 775 776#if defined(sun) 777const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 778const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 779#else 780const char *_dtrace_defcpp = "cpp"; /* default cpp(1) to invoke */ 781const char *_dtrace_defld = "ld"; /* default ld(1) to invoke */ 782#endif 783 784const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 785#if defined(sun) 786const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 787#else 788const char *_dtrace_provdir = "/dev/dtrace"; /* provider directory */ 789#endif 790 791int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 792int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 793uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 794uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 795uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 796uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 797size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 798int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 799 800int _dtrace_debug = 0; /* debug messages enabled (off) */ 801const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 802int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 803 804typedef struct dt_fdlist { 805 int *df_fds; /* array of provider driver file descriptors */ 806 uint_t df_ents; /* number of valid elements in df_fds[] */ 807 uint_t df_size; /* size of df_fds[] */ 808} dt_fdlist_t; 809 810#if defined(sun) 811#pragma init(_dtrace_init) 812#else 813void _dtrace_init(void) __attribute__ ((constructor)); 814#endif 815void 816_dtrace_init(void) 817{ 818 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 819 820 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 821 if (rd_init(_dtrace_rdvers) == RD_OK) 822 break; 823 } 824#if defined(__i386__) 825 /* make long doubles 64 bits -sson */ 826 (void) fpsetprec(FP_PE); 827#endif 828} 829 830static dtrace_hdl_t * 831set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 832{ 833 if (dtp != NULL) 834 dtrace_close(dtp); 835 if (errp != NULL) 836 *errp = err; 837 return (NULL); 838} 839 840static void 841dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 842{ 843 dt_provmod_t *prov; 844 char path[PATH_MAX]; 845 int fd; 846#if defined(sun) 847 struct dirent *dp, *ep; 848 DIR *dirp; 849 850 if ((dirp = opendir(_dtrace_provdir)) == NULL) 851 return; /* failed to open directory; just skip it */ 852 853 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 854 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 855 856 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 857 if (dp->d_name[0] == '.') 858 continue; /* skip "." and ".." */ 859 860 if (dfp->df_ents == dfp->df_size) { 861 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 862 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 863 864 if (fds == NULL) 865 break; /* skip the rest of this directory */ 866 867 dfp->df_fds = fds; 868 dfp->df_size = size; 869 } 870 871 (void) snprintf(path, sizeof (path), "%s/%s", 872 _dtrace_provdir, dp->d_name); 873 874 if ((fd = open(path, O_RDONLY)) == -1) 875 continue; /* failed to open driver; just skip it */ 876 877 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 878 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 879 free(prov); 880 (void) close(fd); 881 break; 882 } 883 884 (void) strcpy(prov->dp_name, dp->d_name); 885 prov->dp_next = *provmod; 886 *provmod = prov; 887 888 dt_dprintf("opened provider %s\n", dp->d_name); 889 dfp->df_fds[dfp->df_ents++] = fd; 890 } 891 892 (void) closedir(dirp); 893#else 894 char *p; 895 char *p1; 896 char *p_providers = NULL; 897 int error; 898 size_t len = 0; 899 900 /* 901 * Loop to allocate/reallocate memory for the string of provider 902 * names and retry: 903 */ 904 while(1) { 905 /* 906 * The first time around, get the string length. The next time, 907 * hopefully we've allocated enough memory. 908 */ 909 error = sysctlbyname("debug.dtrace.providers",p_providers,&len,NULL,0); 910 if (len == 0) 911 /* No providers? That's strange. Where's dtrace? */ 912 break; 913 else if (error == 0 && p_providers == NULL) { 914 /* 915 * Allocate the initial memory which should be enough 916 * unless another provider loads before we have 917 * time to go back and get the string. 918 */ 919 if ((p_providers = malloc(len)) == NULL) 920 /* How do we report errors here? */ 921 return; 922 } else if (error == -1 && errno == ENOMEM) { 923 /* 924 * The current buffer isn't large enough, so 925 * reallocate it. We normally won't need to do this 926 * because providers aren't being loaded all the time. 927 */ 928 if ((p = realloc(p_providers,len)) == NULL) 929 /* How do we report errors here? */ 930 return; 931 p_providers = p; 932 } else 933 break; 934 } 935 936 /* Check if we got a string of provider names: */ 937 if (error == 0 && len > 0 && p_providers != NULL) { 938 p = p_providers; 939 940 /* 941 * Parse the string containing the space separated 942 * provider names. 943 */ 944 while ((p1 = strsep(&p," ")) != NULL) { 945 if (dfp->df_ents == dfp->df_size) { 946 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 947 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 948 949 if (fds == NULL) 950 break; 951 952 dfp->df_fds = fds; 953 dfp->df_size = size; 954 } 955 956 (void) snprintf(path, sizeof (path), "/dev/dtrace/%s", p1); 957 958 if ((fd = open(path, O_RDONLY)) == -1) 959 continue; /* failed to open driver; just skip it */ 960 961 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 962 (prov->dp_name = malloc(strlen(p1) + 1)) == NULL) { 963 free(prov); 964 (void) close(fd); 965 break; 966 } 967 968 (void) strcpy(prov->dp_name, p1); 969 prov->dp_next = *provmod; 970 *provmod = prov; 971 972 dt_dprintf("opened provider %s\n", p1); 973 dfp->df_fds[dfp->df_ents++] = fd; 974 } 975 } 976 if (p_providers != NULL) 977 free(p_providers); 978#endif 979} 980 981static void 982dt_provmod_destroy(dt_provmod_t **provmod) 983{ 984 dt_provmod_t *next, *current; 985 986 for (current = *provmod; current != NULL; current = next) { 987 next = current->dp_next; 988 free(current->dp_name); 989 free(current); 990 } 991 992 *provmod = NULL; 993} 994 995#if defined(sun) 996static const char * 997dt_get_sysinfo(int cmd, char *buf, size_t len) 998{ 999 ssize_t rv = sysinfo(cmd, buf, len); 1000 char *p = buf; 1001 1002 if (rv < 0 || rv > len) 1003 (void) snprintf(buf, len, "%s", "Unknown"); 1004 1005 while ((p = strchr(p, '.')) != NULL) 1006 *p++ = '_'; 1007 1008 return (buf); 1009} 1010#endif 1011 1012static dtrace_hdl_t * 1013dt_vopen(int version, int flags, int *errp, 1014 const dtrace_vector_t *vector, void *arg) 1015{ 1016 dtrace_hdl_t *dtp = NULL; 1017 int dtfd = -1, ftfd = -1, fterr = 0; 1018 dtrace_prog_t *pgp; 1019 dt_module_t *dmp; 1020 dt_provmod_t *provmod = NULL; 1021 int i, err; 1022 struct rlimit rl; 1023 1024 const dt_intrinsic_t *dinp; 1025 const dt_typedef_t *dtyp; 1026 const dt_ident_t *idp; 1027 1028 dtrace_typeinfo_t dtt; 1029 ctf_funcinfo_t ctc; 1030 ctf_arinfo_t ctr; 1031 1032 dt_fdlist_t df = { NULL, 0, 0 }; 1033 1034 char isadef[32], utsdef[32]; 1035 char s1[64], s2[64]; 1036 1037 if (version <= 0) 1038 return (set_open_errno(dtp, errp, EINVAL)); 1039 1040 if (version > DTRACE_VERSION) 1041 return (set_open_errno(dtp, errp, EDT_VERSION)); 1042 1043 if (version < DTRACE_VERSION) { 1044 /* 1045 * Currently, increasing the library version number is used to 1046 * denote a binary incompatible change. That is, a consumer 1047 * of the library cannot run on a version of the library with 1048 * a higher DTRACE_VERSION number than the consumer compiled 1049 * against. Once the library API has been committed to, 1050 * backwards binary compatibility will be required; at that 1051 * time, this check should change to return EDT_OVERSION only 1052 * if the specified version number is less than the version 1053 * number at the time of interface commitment. 1054 */ 1055 return (set_open_errno(dtp, errp, EDT_OVERSION)); 1056 } 1057 1058 if (flags & ~DTRACE_O_MASK) 1059 return (set_open_errno(dtp, errp, EINVAL)); 1060 1061 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 1062 return (set_open_errno(dtp, errp, EINVAL)); 1063 1064 if (vector == NULL && arg != NULL) 1065 return (set_open_errno(dtp, errp, EINVAL)); 1066 1067 if (elf_version(EV_CURRENT) == EV_NONE) 1068 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 1069 1070 if (vector != NULL || (flags & DTRACE_O_NODEV)) 1071 goto alloc; /* do not attempt to open dtrace device */ 1072 1073 /* 1074 * Before we get going, crank our limit on file descriptors up to the 1075 * hard limit. This is to allow for the fact that libproc keeps file 1076 * descriptors to objects open for the lifetime of the proc handle; 1077 * without raising our hard limit, we would have an acceptably small 1078 * bound on the number of processes that we could concurrently 1079 * instrument with the pid provider. 1080 */ 1081 if (getrlimit(RLIMIT_NOFILE, &rl) == 0) { 1082 rl.rlim_cur = rl.rlim_max; 1083 (void) setrlimit(RLIMIT_NOFILE, &rl); 1084 } 1085 1086 /* 1087 * Get the device path of each of the providers. We hold them open 1088 * in the df.df_fds list until we open the DTrace driver itself, 1089 * allowing us to see all of the probes provided on this system. Once 1090 * we have the DTrace driver open, we can safely close all the providers 1091 * now that they have registered with the framework. 1092 */ 1093 dt_provmod_open(&provmod, &df); 1094 1095 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1096 err = errno; /* save errno from opening dtfd */ 1097#if defined(__FreeBSD__) 1098 /* 1099 * Automatically load the 'dtraceall' module if we couldn't open the 1100 * char device. 1101 */ 1102 if (err == ENOENT && modfind("dtraceall") < 0) { 1103 kldload("dtraceall"); /* ignore the error */ 1104 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 1105 err = errno; 1106 } 1107#endif 1108#if defined(sun) 1109 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 1110#else 1111 ftfd = open("/dev/dtrace/fasttrap", O_RDWR); 1112#endif 1113 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 1114 1115 while (df.df_ents-- != 0) 1116 (void) close(df.df_fds[df.df_ents]); 1117 1118 free(df.df_fds); 1119 1120 /* 1121 * If we failed to open the dtrace device, fail dtrace_open(). 1122 * We convert some kernel errnos to custom libdtrace errnos to 1123 * improve the resulting message from the usual strerror(). 1124 */ 1125 if (dtfd == -1) { 1126 dt_provmod_destroy(&provmod); 1127 switch (err) { 1128 case ENOENT: 1129 err = EDT_NOENT; 1130 break; 1131 case EBUSY: 1132 err = EDT_BUSY; 1133 break; 1134 case EACCES: 1135 err = EDT_ACCESS; 1136 break; 1137 } 1138 return (set_open_errno(dtp, errp, err)); 1139 } 1140 1141 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 1142 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 1143 1144alloc: 1145 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 1146 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1147 1148 bzero(dtp, sizeof (dtrace_hdl_t)); 1149 dtp->dt_oflags = flags; 1150#if defined(sun) 1151 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 1152#else 1153 dtp->dt_prcmode = DT_PROC_STOP_POSTINIT; 1154#endif 1155 dtp->dt_linkmode = DT_LINK_KERNEL; 1156 dtp->dt_linktype = DT_LTYP_ELF; 1157 dtp->dt_xlatemode = DT_XL_STATIC; 1158 dtp->dt_stdcmode = DT_STDC_XA; 1159 dtp->dt_version = version; 1160 dtp->dt_fd = dtfd; 1161 dtp->dt_ftfd = ftfd; 1162 dtp->dt_fterr = fterr; 1163 dtp->dt_cdefs_fd = -1; 1164 dtp->dt_ddefs_fd = -1; 1165#if defined(sun) 1166 dtp->dt_stdout_fd = -1; 1167#else 1168 dtp->dt_freopen_fp = NULL; 1169#endif 1170 dtp->dt_modbuckets = _dtrace_strbuckets; 1171 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 1172 dtp->dt_provbuckets = _dtrace_strbuckets; 1173 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 1174 dt_proc_hash_create(dtp); 1175 dtp->dt_vmax = DT_VERS_LATEST; 1176 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 1177 dtp->dt_cpp_argv = malloc(sizeof (char *)); 1178 dtp->dt_cpp_argc = 1; 1179 dtp->dt_cpp_args = 1; 1180 dtp->dt_ld_path = strdup(_dtrace_defld); 1181 dtp->dt_provmod = provmod; 1182 dtp->dt_vector = vector; 1183 dtp->dt_varg = arg; 1184 dt_dof_init(dtp); 1185 (void) uname(&dtp->dt_uts); 1186 1187 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 1188 dtp->dt_procs == NULL || dtp->dt_ld_path == NULL || 1189 dtp->dt_cpp_path == NULL || dtp->dt_cpp_argv == NULL) 1190 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1191 1192 for (i = 0; i < DTRACEOPT_MAX; i++) 1193 dtp->dt_options[i] = DTRACEOPT_UNSET; 1194 1195 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 1196 1197#if defined(sun) 1198 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 1199 (uint_t)(sizeof (void *) * NBBY)); 1200 1201 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 1202 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 1203 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 1204 1205 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 1206 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 1207 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 1208 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 1209 dt_cpp_add_arg(dtp, isadef) == NULL || 1210 dt_cpp_add_arg(dtp, utsdef) == NULL) 1211 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1212#endif 1213 1214 if (flags & DTRACE_O_NODEV) 1215 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 1216 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 1217 return (set_open_errno(dtp, errp, errno)); 1218 1219 if (flags & DTRACE_O_LP64) 1220 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 1221 else if (flags & DTRACE_O_ILP32) 1222 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 1223 1224#ifdef __sparc 1225 /* 1226 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 1227 * and __sparcv9 is defined if we are doing a 64-bit compile. 1228 */ 1229 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 1230 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1231 1232 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 1233 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 1234 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1235#endif 1236 1237#if defined(sun) 1238#ifdef __x86 1239 /* 1240 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 1241 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 1242 * they are defined exclusive of one another (see PSARC 2004/619). 1243 */ 1244 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1245 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 1246 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1247 } else { 1248 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 1249 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1250 } 1251#endif 1252#else 1253#if defined(__amd64__) || defined(__i386__) 1254 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 1255 if (dt_cpp_add_arg(dtp, "-m64") == NULL) 1256 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1257 } else { 1258 if (dt_cpp_add_arg(dtp, "-m32") == NULL) 1259 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1260 } 1261#endif 1262#endif 1263 1264 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 1265 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 1266 1267 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 1268 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 1269 else 1270 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 1271 1272 /* 1273 * On FreeBSD the kernel module name can't be hard-coded. The 1274 * 'kern.bootfile' sysctl value tells us exactly which file is being 1275 * used as the kernel. 1276 */ 1277#if !defined(sun) 1278 { 1279 char bootfile[MAXPATHLEN]; 1280 char *p; 1281 int i; 1282 size_t len = sizeof(bootfile); 1283 1284 /* This call shouldn't fail, but use a default just in case. */ 1285 if (sysctlbyname("kern.bootfile", bootfile, &len, NULL, 0) != 0) 1286 strlcpy(bootfile, "kernel", sizeof(bootfile)); 1287 1288 if ((p = strrchr(bootfile, '/')) != NULL) 1289 p++; 1290 else 1291 p = bootfile; 1292 1293 /* 1294 * Format the global variables based on the kernel module name. 1295 */ 1296 snprintf(curthread_str, sizeof(curthread_str), "%s`struct thread *",p); 1297 snprintf(intmtx_str, sizeof(intmtx_str), "int(%s`struct mtx *)",p); 1298 snprintf(threadmtx_str, sizeof(threadmtx_str), "struct thread *(%s`struct mtx *)",p); 1299 snprintf(rwlock_str, sizeof(rwlock_str), "int(%s`struct rwlock *)",p); 1300 snprintf(sxlock_str, sizeof(sxlock_str), "int(%s`struct sxlock *)",p); 1301 } 1302#endif 1303 1304 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 1305 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 1306 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 1307 1308 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 1309 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1310 1311 dtp->dt_tls = dt_idhash_create("thread local", NULL, 1312 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 1313 1314 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 1315 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 1316 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1317 1318 /* 1319 * Populate the dt_macros identifier hash table by hand: we can't use 1320 * the dt_idhash_populate() mechanism because we're not yet compiling 1321 * and dtrace_update() needs to immediately reference these idents. 1322 */ 1323 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 1324 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 1325 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 1326 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 1327 idp->di_iarg, 0) == NULL) 1328 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1329 } 1330 1331 /* 1332 * Update the module list using /system/object and load the values for 1333 * the macro variable definitions according to the current process. 1334 */ 1335 dtrace_update(dtp); 1336 1337 /* 1338 * Select the intrinsics and typedefs we want based on the data model. 1339 * The intrinsics are under "C". The typedefs are added under "D". 1340 */ 1341 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 1342 dinp = _dtrace_intrinsics_32; 1343 dtyp = _dtrace_typedefs_32; 1344 } else { 1345 dinp = _dtrace_intrinsics_64; 1346 dtyp = _dtrace_typedefs_64; 1347 } 1348 1349 /* 1350 * Create a dynamic CTF container under the "C" scope for intrinsic 1351 * types and types defined in ANSI-C header files that are included. 1352 */ 1353 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 1354 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1355 1356 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1357 return (set_open_errno(dtp, errp, EDT_CTF)); 1358 1359 dt_dprintf("created CTF container for %s (%p)\n", 1360 dmp->dm_name, (void *)dmp->dm_ctfp); 1361 1362 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1363 ctf_setspecific(dmp->dm_ctfp, dmp); 1364 1365 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1366 dmp->dm_modid = -1; /* no module ID */ 1367 1368 /* 1369 * Fill the dynamic "C" CTF container with all of the intrinsic 1370 * integer and floating-point types appropriate for this data model. 1371 */ 1372 for (; dinp->din_name != NULL; dinp++) { 1373 if (dinp->din_kind == CTF_K_INTEGER) { 1374 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1375 dinp->din_name, &dinp->din_data); 1376 } else { 1377 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1378 dinp->din_name, &dinp->din_data); 1379 } 1380 1381 if (err == CTF_ERR) { 1382 dt_dprintf("failed to add %s to C container: %s\n", 1383 dinp->din_name, ctf_errmsg( 1384 ctf_errno(dmp->dm_ctfp))); 1385 return (set_open_errno(dtp, errp, EDT_CTF)); 1386 } 1387 } 1388 1389 if (ctf_update(dmp->dm_ctfp) != 0) { 1390 dt_dprintf("failed to update C container: %s\n", 1391 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1392 return (set_open_errno(dtp, errp, EDT_CTF)); 1393 } 1394 1395 /* 1396 * Add intrinsic pointer types that are needed to initialize printf 1397 * format dictionary types (see table in dt_printf.c). 1398 */ 1399 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1400 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1401 1402 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1403 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1404 1405 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1406 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1407 1408 if (ctf_update(dmp->dm_ctfp) != 0) { 1409 dt_dprintf("failed to update C container: %s\n", 1410 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1411 return (set_open_errno(dtp, errp, EDT_CTF)); 1412 } 1413 1414 /* 1415 * Create a dynamic CTF container under the "D" scope for types that 1416 * are defined by the D program itself or on-the-fly by the D compiler. 1417 * The "D" CTF container is a child of the "C" CTF container. 1418 */ 1419 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1420 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1421 1422 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1423 return (set_open_errno(dtp, errp, EDT_CTF)); 1424 1425 dt_dprintf("created CTF container for %s (%p)\n", 1426 dmp->dm_name, (void *)dmp->dm_ctfp); 1427 1428 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1429 ctf_setspecific(dmp->dm_ctfp, dmp); 1430 1431 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1432 dmp->dm_modid = -1; /* no module ID */ 1433 1434 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1435 dt_dprintf("failed to import D parent container: %s\n", 1436 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1437 return (set_open_errno(dtp, errp, EDT_CTF)); 1438 } 1439 1440 /* 1441 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1442 * that we need to use for our D variable and function definitions. 1443 * This ensures that basic inttypes.h names are always available to us. 1444 */ 1445 for (; dtyp->dty_src != NULL; dtyp++) { 1446 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1447 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1448 dtyp->dty_src)) == CTF_ERR) { 1449 dt_dprintf("failed to add typedef %s %s to D " 1450 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1451 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1452 return (set_open_errno(dtp, errp, EDT_CTF)); 1453 } 1454 } 1455 1456 /* 1457 * Insert a CTF ID corresponding to a pointer to a type of kind 1458 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1459 * CTF treats all function pointers as "int (*)()" so we only need one. 1460 */ 1461 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1462 ctc.ctc_argc = 0; 1463 ctc.ctc_flags = 0; 1464 1465 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1466 CTF_ADD_ROOT, &ctc, NULL); 1467 1468 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1469 CTF_ADD_ROOT, dtp->dt_type_func); 1470 1471 /* 1472 * We also insert CTF definitions for the special D intrinsic types 1473 * string and <DYN> into the D container. The string type is added 1474 * as a typedef of char[n]. The <DYN> type is an alias for void. 1475 * We compare types to these special CTF ids throughout the compiler. 1476 */ 1477 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1478 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1479 ctr.ctr_nelems = _dtrace_strsize; 1480 1481 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1482 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1483 1484 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1485 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1486 1487 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1488 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1489 1490 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1491 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1492 1493 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1494 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1495 1496 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1497 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1498 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1499 dtp->dt_type_usymaddr == CTF_ERR) { 1500 dt_dprintf("failed to add intrinsic to D container: %s\n", 1501 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1502 return (set_open_errno(dtp, errp, EDT_CTF)); 1503 } 1504 1505 if (ctf_update(dmp->dm_ctfp) != 0) { 1506 dt_dprintf("failed update D container: %s\n", 1507 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1508 return (set_open_errno(dtp, errp, EDT_CTF)); 1509 } 1510 1511 /* 1512 * Initialize the integer description table used to convert integer 1513 * constants to the appropriate types. Refer to the comments above 1514 * dt_node_int() for a complete description of how this table is used. 1515 */ 1516 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1517 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1518 dtp->dt_ints[i].did_name, &dtt) != 0) { 1519 dt_dprintf("failed to lookup integer type %s: %s\n", 1520 dtp->dt_ints[i].did_name, 1521 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1522 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1523 } 1524 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1525 dtp->dt_ints[i].did_type = dtt.dtt_type; 1526 } 1527 1528 /* 1529 * Now that we've created the "C" and "D" containers, move them to the 1530 * start of the module list so that these types and symbols are found 1531 * first (for stability) when iterating through the module list. 1532 */ 1533 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1534 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1535 1536 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1537 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1538 1539 if (dt_pfdict_create(dtp) == -1) 1540 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1541 1542 /* 1543 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1544 * because without /dev/dtrace open, we will not be able to load the 1545 * names and attributes of any providers or probes from the kernel. 1546 */ 1547 if (flags & DTRACE_O_NODEV) 1548 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1549 1550 /* 1551 * Load hard-wired inlines into the definition cache by calling the 1552 * compiler on the raw definition string defined above. 1553 */ 1554 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1555 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1556 dt_dprintf("failed to load hard-wired definitions: %s\n", 1557 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1558 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1559 } 1560 1561 dt_program_destroy(dtp, pgp); 1562 1563 /* 1564 * Set up the default DTrace library path. Once set, the next call to 1565 * dt_compile() will compile all the libraries. We intentionally defer 1566 * library processing to improve overhead for clients that don't ever 1567 * compile, and to provide better error reporting (because the full 1568 * reporting of compiler errors requires dtrace_open() to succeed). 1569 */ 1570 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1571 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1572 1573 return (dtp); 1574} 1575 1576dtrace_hdl_t * 1577dtrace_open(int version, int flags, int *errp) 1578{ 1579 return (dt_vopen(version, flags, errp, NULL, NULL)); 1580} 1581 1582dtrace_hdl_t * 1583dtrace_vopen(int version, int flags, int *errp, 1584 const dtrace_vector_t *vector, void *arg) 1585{ 1586 return (dt_vopen(version, flags, errp, vector, arg)); 1587} 1588 1589void 1590dtrace_close(dtrace_hdl_t *dtp) 1591{ 1592 dt_ident_t *idp, *ndp; 1593 dt_module_t *dmp; 1594 dt_provider_t *pvp; 1595 dtrace_prog_t *pgp; 1596 dt_xlator_t *dxp; 1597 dt_dirpath_t *dirp; 1598 int i; 1599 1600 if (dtp->dt_procs != NULL) 1601 dt_proc_hash_destroy(dtp); 1602 1603 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1604 dt_program_destroy(dtp, pgp); 1605 1606 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1607 dt_xlator_destroy(dtp, dxp); 1608 1609 dt_free(dtp, dtp->dt_xlatormap); 1610 1611 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1612 ndp = idp->di_next; 1613 dt_ident_destroy(idp); 1614 } 1615 1616 if (dtp->dt_macros != NULL) 1617 dt_idhash_destroy(dtp->dt_macros); 1618 if (dtp->dt_aggs != NULL) 1619 dt_idhash_destroy(dtp->dt_aggs); 1620 if (dtp->dt_globals != NULL) 1621 dt_idhash_destroy(dtp->dt_globals); 1622 if (dtp->dt_tls != NULL) 1623 dt_idhash_destroy(dtp->dt_tls); 1624 1625 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1626 dt_module_destroy(dtp, dmp); 1627 1628 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1629 dt_provider_destroy(dtp, pvp); 1630 1631 if (dtp->dt_fd != -1) 1632 (void) close(dtp->dt_fd); 1633 if (dtp->dt_ftfd != -1) 1634 (void) close(dtp->dt_ftfd); 1635 if (dtp->dt_cdefs_fd != -1) 1636 (void) close(dtp->dt_cdefs_fd); 1637 if (dtp->dt_ddefs_fd != -1) 1638 (void) close(dtp->dt_ddefs_fd); 1639#if defined(sun) 1640 if (dtp->dt_stdout_fd != -1) 1641 (void) close(dtp->dt_stdout_fd); 1642#else 1643 if (dtp->dt_freopen_fp != NULL) 1644 (void) fclose(dtp->dt_freopen_fp); 1645#endif 1646 1647 dt_epid_destroy(dtp); 1648 dt_aggid_destroy(dtp); 1649 dt_format_destroy(dtp); 1650 dt_strdata_destroy(dtp); 1651 dt_buffered_destroy(dtp); 1652 dt_aggregate_destroy(dtp); 1653 dt_pfdict_destroy(dtp); 1654 dt_provmod_destroy(&dtp->dt_provmod); 1655 dt_dof_fini(dtp); 1656 1657 for (i = 1; i < dtp->dt_cpp_argc; i++) 1658 free(dtp->dt_cpp_argv[i]); 1659 1660 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1661 dt_list_delete(&dtp->dt_lib_path, dirp); 1662 free(dirp->dir_path); 1663 free(dirp); 1664 } 1665 1666 free(dtp->dt_cpp_argv); 1667 free(dtp->dt_cpp_path); 1668 free(dtp->dt_ld_path); 1669 1670 free(dtp->dt_mods); 1671 free(dtp->dt_provs); 1672 free(dtp); 1673} 1674 1675int 1676dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1677{ 1678 dt_provmod_t *prov; 1679 int i = 0; 1680 1681 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1682 if (i < nmods) 1683 mods[i] = prov->dp_name; 1684 } 1685 1686 return (i); 1687} 1688 1689int 1690dtrace_ctlfd(dtrace_hdl_t *dtp) 1691{ 1692 return (dtp->dt_fd); 1693} 1694