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 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <sys/modctl.h> 31 #include <sys/systeminfo.h> 32 33 #include <libelf.h> 34 #include <strings.h> 35 #include <alloca.h> 36 #include <limits.h> 37 #include <unistd.h> 38 #include <stdlib.h> 39 #include <stdio.h> 40 #include <fcntl.h> 41 #include <errno.h> 42 #include <assert.h> 43 44 #define _POSIX_PTHREAD_SEMANTICS 45 #include <dirent.h> 46 #undef _POSIX_PTHREAD_SEMANTICS 47 48 #include <dt_impl.h> 49 #include <dt_program.h> 50 #include <dt_module.h> 51 #include <dt_printf.h> 52 #include <dt_string.h> 53 #include <dt_provider.h> 54 55 /* 56 * Stability and versioning definitions. These #defines are used in the tables 57 * of identifiers below to fill in the attribute and version fields associated 58 * with each identifier. The DT_ATTR_* macros are a convenience to permit more 59 * concise declarations of common attributes such as Stable/Stable/Common. The 60 * DT_VERS_* macros declare the encoded integer values of all versions used so 61 * far. DT_VERS_LATEST must correspond to the latest version value among all 62 * versions exported by the D compiler. DT_VERS_STRING must be an ASCII string 63 * that contains DT_VERS_LATEST within it along with any suffixes (e.g. Beta). 64 * You must update DT_VERS_LATEST and DT_VERS_STRING when adding a new version, 65 * and then add the new version to the _dtrace_versions[] array declared below. 66 * Refer to the Solaris Dynamic Tracing Guide Stability and Versioning chapters 67 * respectively for an explanation of these DTrace features and their values. 68 * 69 * NOTE: Although the DTrace versioning scheme supports the labeling and 70 * introduction of incompatible changes (e.g. dropping an interface in a 71 * major release), the libdtrace code does not currently support this. 72 * All versions are assumed to strictly inherit from one another. If 73 * we ever need to provide divergent interfaces, this will need work. 74 */ 75 #define DT_ATTR_STABCMN { DTRACE_STABILITY_STABLE, \ 76 DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON } 77 78 #define DT_ATTR_EVOLCMN { DTRACE_STABILITY_EVOLVING, \ 79 DTRACE_STABILITY_EVOLVING, DTRACE_CLASS_COMMON \ 80 } 81 82 /* 83 * The version number should be increased for every customer visible release 84 * of Solaris. The major number should be incremented when a fundamental 85 * change has been made that would affect all consumers, and would reflect 86 * sweeping changes to DTrace or the D language. The minor number should be 87 * incremented when a change is introduced that could break scripts that had 88 * previously worked; for example, adding a new built-in variable could break 89 * a script which was already using that identifier. The micro number should 90 * be changed when introducing functionality changes or major bug fixes that 91 * do not affect backward compatibility -- this is merely to make capabilities 92 * easily determined from the version number. Minor bugs do not require any 93 * modification to the version number. 94 */ 95 #define DT_VERS_1_0 DT_VERSION_NUMBER(1, 0, 0) 96 #define DT_VERS_1_1 DT_VERSION_NUMBER(1, 1, 0) 97 #define DT_VERS_1_2 DT_VERSION_NUMBER(1, 2, 0) 98 #define DT_VERS_1_2_1 DT_VERSION_NUMBER(1, 2, 1) 99 #define DT_VERS_1_2_2 DT_VERSION_NUMBER(1, 2, 2) 100 #define DT_VERS_LATEST DT_VERS_1_2_2 101 #define DT_VERS_STRING "Sun D 1.2.2" 102 103 const dt_version_t _dtrace_versions[] = { 104 DT_VERS_1_0, /* D API 1.0.0 (PSARC 2001/466) Solaris 10 FCS */ 105 DT_VERS_1_1, /* D API 1.1.0 Solaris Express 6/05 */ 106 DT_VERS_1_2, /* D API 1.2.0 Solaris 10 Update 1 */ 107 DT_VERS_1_2_1, /* D API 1.2.1 Solaris Express 4/06 */ 108 DT_VERS_1_2_2, /* D API 1.2.2 Solaris Express 6/06 */ 109 0 110 }; 111 112 /* 113 * Table of global identifiers. This is used to populate the global identifier 114 * hash when a new dtrace client open occurs. For more info see dt_ident.h. 115 * The global identifiers that represent functions use the dt_idops_func ops 116 * and specify the private data pointer as a prototype string which is parsed 117 * when the identifier is first encountered. These prototypes look like ANSI 118 * C function prototypes except that the special symbol "@" can be used as a 119 * wildcard to represent a single parameter of any type (i.e. any dt_node_t). 120 * The standard "..." notation can also be used to represent varargs. An empty 121 * parameter list is taken to mean void (that is, no arguments are permitted). 122 * A parameter enclosed in square brackets (e.g. "[int]") denotes an optional 123 * argument. 124 */ 125 static const dt_ident_t _dtrace_globals[] = { 126 { "alloca", DT_IDENT_FUNC, 0, DIF_SUBR_ALLOCA, DT_ATTR_STABCMN, DT_VERS_1_0, 127 &dt_idops_func, "void *(size_t)" }, 128 { "arg0", DT_IDENT_SCALAR, 0, DIF_VAR_ARG0, DT_ATTR_STABCMN, DT_VERS_1_0, 129 &dt_idops_type, "int64_t" }, 130 { "arg1", DT_IDENT_SCALAR, 0, DIF_VAR_ARG1, DT_ATTR_STABCMN, DT_VERS_1_0, 131 &dt_idops_type, "int64_t" }, 132 { "arg2", DT_IDENT_SCALAR, 0, DIF_VAR_ARG2, DT_ATTR_STABCMN, DT_VERS_1_0, 133 &dt_idops_type, "int64_t" }, 134 { "arg3", DT_IDENT_SCALAR, 0, DIF_VAR_ARG3, DT_ATTR_STABCMN, DT_VERS_1_0, 135 &dt_idops_type, "int64_t" }, 136 { "arg4", DT_IDENT_SCALAR, 0, DIF_VAR_ARG4, DT_ATTR_STABCMN, DT_VERS_1_0, 137 &dt_idops_type, "int64_t" }, 138 { "arg5", DT_IDENT_SCALAR, 0, DIF_VAR_ARG5, DT_ATTR_STABCMN, DT_VERS_1_0, 139 &dt_idops_type, "int64_t" }, 140 { "arg6", DT_IDENT_SCALAR, 0, DIF_VAR_ARG6, DT_ATTR_STABCMN, DT_VERS_1_0, 141 &dt_idops_type, "int64_t" }, 142 { "arg7", DT_IDENT_SCALAR, 0, DIF_VAR_ARG7, DT_ATTR_STABCMN, DT_VERS_1_0, 143 &dt_idops_type, "int64_t" }, 144 { "arg8", DT_IDENT_SCALAR, 0, DIF_VAR_ARG8, DT_ATTR_STABCMN, DT_VERS_1_0, 145 &dt_idops_type, "int64_t" }, 146 { "arg9", DT_IDENT_SCALAR, 0, DIF_VAR_ARG9, DT_ATTR_STABCMN, DT_VERS_1_0, 147 &dt_idops_type, "int64_t" }, 148 { "args", DT_IDENT_ARRAY, 0, DIF_VAR_ARGS, DT_ATTR_STABCMN, DT_VERS_1_0, 149 &dt_idops_args, NULL }, 150 { "avg", DT_IDENT_AGGFUNC, 0, DTRACEAGG_AVG, DT_ATTR_STABCMN, DT_VERS_1_0, 151 &dt_idops_func, "void(@)" }, 152 { "basename", DT_IDENT_FUNC, 0, DIF_SUBR_BASENAME, DT_ATTR_STABCMN, DT_VERS_1_0, 153 &dt_idops_func, "string(const char *)" }, 154 { "bcopy", DT_IDENT_FUNC, 0, DIF_SUBR_BCOPY, DT_ATTR_STABCMN, DT_VERS_1_0, 155 &dt_idops_func, "void(void *, void *, size_t)" }, 156 { "breakpoint", DT_IDENT_ACTFUNC, 0, DT_ACT_BREAKPOINT, 157 DT_ATTR_STABCMN, DT_VERS_1_0, 158 &dt_idops_func, "void()" }, 159 { "caller", DT_IDENT_SCALAR, 0, DIF_VAR_CALLER, DT_ATTR_STABCMN, DT_VERS_1_0, 160 &dt_idops_type, "uintptr_t" }, 161 { "chill", DT_IDENT_ACTFUNC, 0, DT_ACT_CHILL, DT_ATTR_STABCMN, DT_VERS_1_0, 162 &dt_idops_func, "void(int)" }, 163 { "cleanpath", DT_IDENT_FUNC, 0, DIF_SUBR_CLEANPATH, DT_ATTR_STABCMN, 164 DT_VERS_1_0, &dt_idops_func, "string(const char *)" }, 165 { "clear", DT_IDENT_ACTFUNC, 0, DT_ACT_CLEAR, DT_ATTR_STABCMN, DT_VERS_1_0, 166 &dt_idops_func, "void(...)" }, 167 { "commit", DT_IDENT_ACTFUNC, 0, DT_ACT_COMMIT, DT_ATTR_STABCMN, DT_VERS_1_0, 168 &dt_idops_func, "void(int)" }, 169 { "copyin", DT_IDENT_FUNC, 0, DIF_SUBR_COPYIN, DT_ATTR_STABCMN, DT_VERS_1_0, 170 &dt_idops_func, "void *(uintptr_t, size_t)" }, 171 { "copyinstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINSTR, 172 DT_ATTR_STABCMN, DT_VERS_1_0, 173 &dt_idops_func, "string(uintptr_t, [size_t])" }, 174 { "copyinto", DT_IDENT_FUNC, 0, DIF_SUBR_COPYINTO, DT_ATTR_STABCMN, 175 DT_VERS_1_0, &dt_idops_func, "void(uintptr_t, size_t, void *)" }, 176 { "copyout", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUT, DT_ATTR_STABCMN, DT_VERS_1_0, 177 &dt_idops_func, "void(void *, uintptr_t, size_t)" }, 178 { "copyoutstr", DT_IDENT_FUNC, 0, DIF_SUBR_COPYOUTSTR, 179 DT_ATTR_STABCMN, DT_VERS_1_0, 180 &dt_idops_func, "void(char *, uintptr_t, size_t)" }, 181 { "count", DT_IDENT_AGGFUNC, 0, DTRACEAGG_COUNT, DT_ATTR_STABCMN, DT_VERS_1_0, 182 &dt_idops_func, "void()" }, 183 { "curthread", DT_IDENT_SCALAR, 0, DIF_VAR_CURTHREAD, 184 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_PRIVATE, 185 DTRACE_CLASS_COMMON }, DT_VERS_1_0, 186 &dt_idops_type, "genunix`kthread_t *" }, 187 { "ddi_pathname", DT_IDENT_FUNC, 0, DIF_SUBR_DDI_PATHNAME, 188 DT_ATTR_EVOLCMN, DT_VERS_1_0, 189 &dt_idops_func, "string(void *, int64_t)" }, 190 { "denormalize", DT_IDENT_ACTFUNC, 0, DT_ACT_DENORMALIZE, DT_ATTR_STABCMN, 191 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 192 { "dirname", DT_IDENT_FUNC, 0, DIF_SUBR_DIRNAME, DT_ATTR_STABCMN, DT_VERS_1_0, 193 &dt_idops_func, "string(const char *)" }, 194 { "discard", DT_IDENT_ACTFUNC, 0, DT_ACT_DISCARD, DT_ATTR_STABCMN, DT_VERS_1_0, 195 &dt_idops_func, "void(int)" }, 196 { "epid", DT_IDENT_SCALAR, 0, DIF_VAR_EPID, DT_ATTR_STABCMN, DT_VERS_1_0, 197 &dt_idops_type, "uint_t" }, 198 { "execname", DT_IDENT_SCALAR, 0, DIF_VAR_EXECNAME, 199 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 200 { "exit", DT_IDENT_ACTFUNC, 0, DT_ACT_EXIT, DT_ATTR_STABCMN, DT_VERS_1_0, 201 &dt_idops_func, "void(int)" }, 202 { "freopen", DT_IDENT_ACTFUNC, 0, DT_ACT_FREOPEN, DT_ATTR_STABCMN, 203 DT_VERS_1_1, &dt_idops_func, "void(@, ...)" }, 204 { "ftruncate", DT_IDENT_ACTFUNC, 0, DT_ACT_FTRUNCATE, DT_ATTR_STABCMN, 205 DT_VERS_1_0, &dt_idops_func, "void()" }, 206 { "func", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 207 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 208 { "getmajor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMAJOR, 209 DT_ATTR_EVOLCMN, DT_VERS_1_0, 210 &dt_idops_func, "genunix`major_t(genunix`dev_t)" }, 211 { "getminor", DT_IDENT_FUNC, 0, DIF_SUBR_GETMINOR, 212 DT_ATTR_EVOLCMN, DT_VERS_1_0, 213 &dt_idops_func, "genunix`minor_t(genunix`dev_t)" }, 214 { "id", DT_IDENT_SCALAR, 0, DIF_VAR_ID, DT_ATTR_STABCMN, DT_VERS_1_0, 215 &dt_idops_type, "uint_t" }, 216 { "index", DT_IDENT_FUNC, 0, DIF_SUBR_INDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 217 &dt_idops_func, "int(const char *, const char *, [int])" }, 218 { "ipl", DT_IDENT_SCALAR, 0, DIF_VAR_IPL, DT_ATTR_STABCMN, DT_VERS_1_0, 219 &dt_idops_type, "uint_t" }, 220 { "jstack", DT_IDENT_ACTFUNC, 0, DT_ACT_JSTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 221 &dt_idops_func, "stack(...)" }, 222 { "lltostr", DT_IDENT_FUNC, 0, DIF_SUBR_LLTOSTR, DT_ATTR_STABCMN, DT_VERS_1_0, 223 &dt_idops_func, "string(int64_t)" }, 224 { "lquantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_LQUANTIZE, 225 DT_ATTR_STABCMN, DT_VERS_1_0, 226 &dt_idops_func, "void(@, int32_t, int32_t, ...)" }, 227 { "max", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MAX, DT_ATTR_STABCMN, DT_VERS_1_0, 228 &dt_idops_func, "void(@)" }, 229 { "min", DT_IDENT_AGGFUNC, 0, DTRACEAGG_MIN, DT_ATTR_STABCMN, DT_VERS_1_0, 230 &dt_idops_func, "void(@)" }, 231 { "mod", DT_IDENT_ACTFUNC, 0, DT_ACT_MOD, DT_ATTR_STABCMN, 232 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 233 { "msgdsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGDSIZE, 234 DT_ATTR_STABCMN, DT_VERS_1_0, 235 &dt_idops_func, "size_t(mblk_t *)" }, 236 { "msgsize", DT_IDENT_FUNC, 0, DIF_SUBR_MSGSIZE, 237 DT_ATTR_STABCMN, DT_VERS_1_0, 238 &dt_idops_func, "size_t(mblk_t *)" }, 239 { "mutex_owned", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNED, 240 DT_ATTR_EVOLCMN, DT_VERS_1_0, 241 &dt_idops_func, "int(genunix`kmutex_t *)" }, 242 { "mutex_owner", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_OWNER, 243 DT_ATTR_EVOLCMN, DT_VERS_1_0, 244 &dt_idops_func, "genunix`kthread_t *(genunix`kmutex_t *)" }, 245 { "mutex_type_adaptive", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_ADAPTIVE, 246 DT_ATTR_EVOLCMN, DT_VERS_1_0, 247 &dt_idops_func, "int(genunix`kmutex_t *)" }, 248 { "mutex_type_spin", DT_IDENT_FUNC, 0, DIF_SUBR_MUTEX_TYPE_SPIN, 249 DT_ATTR_EVOLCMN, DT_VERS_1_0, 250 &dt_idops_func, "int(genunix`kmutex_t *)" }, 251 { "normalize", DT_IDENT_ACTFUNC, 0, DT_ACT_NORMALIZE, DT_ATTR_STABCMN, 252 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 253 { "panic", DT_IDENT_ACTFUNC, 0, DT_ACT_PANIC, DT_ATTR_STABCMN, DT_VERS_1_0, 254 &dt_idops_func, "void()" }, 255 { "pid", DT_IDENT_SCALAR, 0, DIF_VAR_PID, DT_ATTR_STABCMN, DT_VERS_1_0, 256 &dt_idops_type, "pid_t" }, 257 { "printa", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTA, DT_ATTR_STABCMN, DT_VERS_1_0, 258 &dt_idops_func, "void(@, ...)" }, 259 { "printf", DT_IDENT_ACTFUNC, 0, DT_ACT_PRINTF, DT_ATTR_STABCMN, DT_VERS_1_0, 260 &dt_idops_func, "void(@, ...)" }, 261 { "probefunc", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEFUNC, 262 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 263 { "probemod", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEMOD, 264 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 265 { "probename", DT_IDENT_SCALAR, 0, DIF_VAR_PROBENAME, 266 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 267 { "probeprov", DT_IDENT_SCALAR, 0, DIF_VAR_PROBEPROV, 268 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 269 { "progenyof", DT_IDENT_FUNC, 0, DIF_SUBR_PROGENYOF, 270 DT_ATTR_STABCMN, DT_VERS_1_0, 271 &dt_idops_func, "int(pid_t)" }, 272 { "quantize", DT_IDENT_AGGFUNC, 0, DTRACEAGG_QUANTIZE, 273 DT_ATTR_STABCMN, DT_VERS_1_0, 274 &dt_idops_func, "void(@, ...)" }, 275 { "raise", DT_IDENT_ACTFUNC, 0, DT_ACT_RAISE, DT_ATTR_STABCMN, DT_VERS_1_0, 276 &dt_idops_func, "void(int)" }, 277 { "rand", DT_IDENT_FUNC, 0, DIF_SUBR_RAND, DT_ATTR_STABCMN, DT_VERS_1_0, 278 &dt_idops_func, "int()" }, 279 { "rindex", DT_IDENT_FUNC, 0, DIF_SUBR_RINDEX, DT_ATTR_STABCMN, DT_VERS_1_1, 280 &dt_idops_func, "int(const char *, const char *, [int])" }, 281 { "rw_iswriter", DT_IDENT_FUNC, 0, DIF_SUBR_RW_ISWRITER, 282 DT_ATTR_EVOLCMN, DT_VERS_1_0, 283 &dt_idops_func, "int(genunix`krwlock_t *)" }, 284 { "rw_read_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_READ_HELD, 285 DT_ATTR_EVOLCMN, DT_VERS_1_0, 286 &dt_idops_func, "int(genunix`krwlock_t *)" }, 287 { "rw_write_held", DT_IDENT_FUNC, 0, DIF_SUBR_RW_WRITE_HELD, 288 DT_ATTR_EVOLCMN, DT_VERS_1_0, 289 &dt_idops_func, "int(genunix`krwlock_t *)" }, 290 { "self", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 291 &dt_idops_type, "void" }, 292 { "setopt", DT_IDENT_ACTFUNC, 0, DT_ACT_SETOPT, DT_ATTR_STABCMN, 293 DT_VERS_1_2, &dt_idops_func, "void(const char *, [const char *])" }, 294 { "speculate", DT_IDENT_ACTFUNC, 0, DT_ACT_SPECULATE, 295 DT_ATTR_STABCMN, DT_VERS_1_0, 296 &dt_idops_func, "void(int)" }, 297 { "speculation", DT_IDENT_FUNC, 0, DIF_SUBR_SPECULATION, 298 DT_ATTR_STABCMN, DT_VERS_1_0, 299 &dt_idops_func, "int()" }, 300 { "stack", DT_IDENT_ACTFUNC, 0, DT_ACT_STACK, DT_ATTR_STABCMN, DT_VERS_1_0, 301 &dt_idops_func, "stack(...)" }, 302 { "stackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_STACKDEPTH, 303 DT_ATTR_STABCMN, DT_VERS_1_0, 304 &dt_idops_type, "uint32_t" }, 305 { "stop", DT_IDENT_ACTFUNC, 0, DT_ACT_STOP, DT_ATTR_STABCMN, DT_VERS_1_0, 306 &dt_idops_func, "void()" }, 307 { "strchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 308 &dt_idops_func, "string(const char *, char)" }, 309 { "strlen", DT_IDENT_FUNC, 0, DIF_SUBR_STRLEN, DT_ATTR_STABCMN, DT_VERS_1_0, 310 &dt_idops_func, "size_t(const char *)" }, 311 { "strjoin", DT_IDENT_FUNC, 0, DIF_SUBR_STRJOIN, DT_ATTR_STABCMN, DT_VERS_1_0, 312 &dt_idops_func, "string(const char *, const char *)" }, 313 { "strrchr", DT_IDENT_FUNC, 0, DIF_SUBR_STRRCHR, DT_ATTR_STABCMN, DT_VERS_1_1, 314 &dt_idops_func, "string(const char *, char)" }, 315 { "strstr", DT_IDENT_FUNC, 0, DIF_SUBR_STRSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 316 &dt_idops_func, "string(const char *, const char *)" }, 317 { "strtok", DT_IDENT_FUNC, 0, DIF_SUBR_STRTOK, DT_ATTR_STABCMN, DT_VERS_1_1, 318 &dt_idops_func, "string(const char *, const char *)" }, 319 { "substr", DT_IDENT_FUNC, 0, DIF_SUBR_SUBSTR, DT_ATTR_STABCMN, DT_VERS_1_1, 320 &dt_idops_func, "string(const char *, int, [int])" }, 321 { "sum", DT_IDENT_AGGFUNC, 0, DTRACEAGG_SUM, DT_ATTR_STABCMN, DT_VERS_1_0, 322 &dt_idops_func, "void(@)" }, 323 { "sym", DT_IDENT_ACTFUNC, 0, DT_ACT_SYM, DT_ATTR_STABCMN, 324 DT_VERS_1_2, &dt_idops_func, "_symaddr(uintptr_t)" }, 325 { "system", DT_IDENT_ACTFUNC, 0, DT_ACT_SYSTEM, DT_ATTR_STABCMN, DT_VERS_1_0, 326 &dt_idops_func, "void(@, ...)" }, 327 { "this", DT_IDENT_PTR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0, 328 &dt_idops_type, "void" }, 329 { "tid", DT_IDENT_SCALAR, 0, DIF_VAR_TID, DT_ATTR_STABCMN, DT_VERS_1_0, 330 &dt_idops_type, "id_t" }, 331 { "timestamp", DT_IDENT_SCALAR, 0, DIF_VAR_TIMESTAMP, 332 DT_ATTR_STABCMN, DT_VERS_1_0, 333 &dt_idops_type, "uint64_t" }, 334 { "trace", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACE, DT_ATTR_STABCMN, DT_VERS_1_0, 335 &dt_idops_func, "void(@)" }, 336 { "tracemem", DT_IDENT_ACTFUNC, 0, DT_ACT_TRACEMEM, 337 DT_ATTR_STABCMN, DT_VERS_1_0, 338 &dt_idops_func, "void(@, size_t)" }, 339 { "trunc", DT_IDENT_ACTFUNC, 0, DT_ACT_TRUNC, DT_ATTR_STABCMN, 340 DT_VERS_1_0, &dt_idops_func, "void(...)" }, 341 { "uaddr", DT_IDENT_ACTFUNC, 0, DT_ACT_UADDR, DT_ATTR_STABCMN, 342 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 343 { "ucaller", DT_IDENT_SCALAR, 0, DIF_VAR_UCALLER, DT_ATTR_STABCMN, 344 DT_VERS_1_2, &dt_idops_type, "uint64_t" }, 345 { "ufunc", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 346 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 347 { "umod", DT_IDENT_ACTFUNC, 0, DT_ACT_UMOD, DT_ATTR_STABCMN, 348 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 349 { "uregs", DT_IDENT_ARRAY, 0, DIF_VAR_UREGS, DT_ATTR_STABCMN, DT_VERS_1_0, 350 &dt_idops_regs, NULL }, 351 { "ustack", DT_IDENT_ACTFUNC, 0, DT_ACT_USTACK, DT_ATTR_STABCMN, DT_VERS_1_0, 352 &dt_idops_func, "stack(...)" }, 353 { "ustackdepth", DT_IDENT_SCALAR, 0, DIF_VAR_USTACKDEPTH, 354 DT_ATTR_STABCMN, DT_VERS_1_2, 355 &dt_idops_type, "uint32_t" }, 356 { "usym", DT_IDENT_ACTFUNC, 0, DT_ACT_USYM, DT_ATTR_STABCMN, 357 DT_VERS_1_2, &dt_idops_func, "_usymaddr(uintptr_t)" }, 358 { "vtimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_VTIMESTAMP, 359 DT_ATTR_STABCMN, DT_VERS_1_0, 360 &dt_idops_type, "uint64_t" }, 361 { "walltimestamp", DT_IDENT_SCALAR, 0, DIF_VAR_WALLTIMESTAMP, 362 DT_ATTR_STABCMN, DT_VERS_1_0, 363 &dt_idops_type, "int64_t" }, 364 { "zonename", DT_IDENT_SCALAR, 0, DIF_VAR_ZONENAME, 365 DT_ATTR_STABCMN, DT_VERS_1_0, &dt_idops_type, "string" }, 366 { NULL, 0, 0, 0, { 0, 0, 0 }, 0, NULL, NULL } 367 }; 368 369 /* 370 * Tables of ILP32 intrinsic integer and floating-point type templates to use 371 * to populate the dynamic "C" CTF type container. 372 */ 373 static const dt_intrinsic_t _dtrace_intrinsics_32[] = { 374 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 375 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 376 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 377 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 378 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 379 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 380 { "long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 381 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 382 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 383 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 384 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 385 { "signed long", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 386 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 387 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 388 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 389 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 390 { "unsigned long", { 0, 0, 32 }, CTF_K_INTEGER }, 391 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 392 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 393 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 394 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 395 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 396 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 397 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 398 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 399 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 400 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 401 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 402 { NULL, { 0, 0, 0 }, 0 } 403 }; 404 405 /* 406 * Tables of LP64 intrinsic integer and floating-point type templates to use 407 * to populate the dynamic "C" CTF type container. 408 */ 409 static const dt_intrinsic_t _dtrace_intrinsics_64[] = { 410 { "void", { CTF_INT_SIGNED, 0, 0 }, CTF_K_INTEGER }, 411 { "signed", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 412 { "unsigned", { 0, 0, 32 }, CTF_K_INTEGER }, 413 { "char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 414 { "short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 415 { "int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 416 { "long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 417 { "long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 418 { "signed char", { CTF_INT_SIGNED | CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 419 { "signed short", { CTF_INT_SIGNED, 0, 16 }, CTF_K_INTEGER }, 420 { "signed int", { CTF_INT_SIGNED, 0, 32 }, CTF_K_INTEGER }, 421 { "signed long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 422 { "signed long long", { CTF_INT_SIGNED, 0, 64 }, CTF_K_INTEGER }, 423 { "unsigned char", { CTF_INT_CHAR, 0, 8 }, CTF_K_INTEGER }, 424 { "unsigned short", { 0, 0, 16 }, CTF_K_INTEGER }, 425 { "unsigned int", { 0, 0, 32 }, CTF_K_INTEGER }, 426 { "unsigned long", { 0, 0, 64 }, CTF_K_INTEGER }, 427 { "unsigned long long", { 0, 0, 64 }, CTF_K_INTEGER }, 428 { "_Bool", { CTF_INT_BOOL, 0, 8 }, CTF_K_INTEGER }, 429 { "float", { CTF_FP_SINGLE, 0, 32 }, CTF_K_FLOAT }, 430 { "double", { CTF_FP_DOUBLE, 0, 64 }, CTF_K_FLOAT }, 431 { "long double", { CTF_FP_LDOUBLE, 0, 128 }, CTF_K_FLOAT }, 432 { "float imaginary", { CTF_FP_IMAGRY, 0, 32 }, CTF_K_FLOAT }, 433 { "double imaginary", { CTF_FP_DIMAGRY, 0, 64 }, CTF_K_FLOAT }, 434 { "long double imaginary", { CTF_FP_LDIMAGRY, 0, 128 }, CTF_K_FLOAT }, 435 { "float complex", { CTF_FP_CPLX, 0, 64 }, CTF_K_FLOAT }, 436 { "double complex", { CTF_FP_DCPLX, 0, 128 }, CTF_K_FLOAT }, 437 { "long double complex", { CTF_FP_LDCPLX, 0, 256 }, CTF_K_FLOAT }, 438 { NULL, { 0, 0, 0 }, 0 } 439 }; 440 441 /* 442 * Tables of ILP32 typedefs to use to populate the dynamic "D" CTF container. 443 * These aliases ensure that D definitions can use typical <sys/types.h> names. 444 */ 445 static const dt_typedef_t _dtrace_typedefs_32[] = { 446 { "char", "int8_t" }, 447 { "short", "int16_t" }, 448 { "int", "int32_t" }, 449 { "long long", "int64_t" }, 450 { "int", "intptr_t" }, 451 { "int", "ssize_t" }, 452 { "unsigned char", "uint8_t" }, 453 { "unsigned short", "uint16_t" }, 454 { "unsigned", "uint32_t" }, 455 { "unsigned long long", "uint64_t" }, 456 { "unsigned char", "uchar_t" }, 457 { "unsigned short", "ushort_t" }, 458 { "unsigned", "uint_t" }, 459 { "unsigned long", "ulong_t" }, 460 { "unsigned long long", "u_longlong_t" }, 461 { "int", "ptrdiff_t" }, 462 { "unsigned", "uintptr_t" }, 463 { "unsigned", "size_t" }, 464 { "long", "id_t" }, 465 { "long", "pid_t" }, 466 { NULL, NULL } 467 }; 468 469 /* 470 * Tables of LP64 typedefs to use to populate the dynamic "D" CTF container. 471 * These aliases ensure that D definitions can use typical <sys/types.h> names. 472 */ 473 static const dt_typedef_t _dtrace_typedefs_64[] = { 474 { "char", "int8_t" }, 475 { "short", "int16_t" }, 476 { "int", "int32_t" }, 477 { "long", "int64_t" }, 478 { "long", "intptr_t" }, 479 { "long", "ssize_t" }, 480 { "unsigned char", "uint8_t" }, 481 { "unsigned short", "uint16_t" }, 482 { "unsigned", "uint32_t" }, 483 { "unsigned long", "uint64_t" }, 484 { "unsigned char", "uchar_t" }, 485 { "unsigned short", "ushort_t" }, 486 { "unsigned", "uint_t" }, 487 { "unsigned long", "ulong_t" }, 488 { "unsigned long long", "u_longlong_t" }, 489 { "long", "ptrdiff_t" }, 490 { "unsigned long", "uintptr_t" }, 491 { "unsigned long", "size_t" }, 492 { "int", "id_t" }, 493 { "int", "pid_t" }, 494 { NULL, NULL } 495 }; 496 497 /* 498 * Tables of ILP32 integer type templates used to populate the dtp->dt_ints[] 499 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 500 */ 501 static const dt_intdesc_t _dtrace_ints_32[] = { 502 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 503 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 504 { "long", NULL, CTF_ERR, 0x7fffffffULL }, 505 { "unsigned long", NULL, CTF_ERR, 0xffffffffULL }, 506 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 507 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 508 }; 509 510 /* 511 * Tables of LP64 integer type templates used to populate the dtp->dt_ints[] 512 * cache when a new dtrace client open occurs. Values are set by dtrace_open(). 513 */ 514 static const dt_intdesc_t _dtrace_ints_64[] = { 515 { "int", NULL, CTF_ERR, 0x7fffffffULL }, 516 { "unsigned int", NULL, CTF_ERR, 0xffffffffULL }, 517 { "long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 518 { "unsigned long", NULL, CTF_ERR, 0xffffffffffffffffULL }, 519 { "long long", NULL, CTF_ERR, 0x7fffffffffffffffULL }, 520 { "unsigned long long", NULL, CTF_ERR, 0xffffffffffffffffULL } 521 }; 522 523 /* 524 * Table of macro variable templates used to populate the macro identifier hash 525 * when a new dtrace client open occurs. Values are set by dtrace_update(). 526 */ 527 static const dt_ident_t _dtrace_macros[] = { 528 { "egid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 529 { "euid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 530 { "gid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 531 { "pid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 532 { "pgid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 533 { "ppid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 534 { "projid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 535 { "sid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 536 { "taskid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 537 { "target", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 538 { "uid", DT_IDENT_SCALAR, 0, 0, DT_ATTR_STABCMN, DT_VERS_1_0 }, 539 { NULL, 0, 0, 0, { 0, 0, 0 }, 0 } 540 }; 541 542 /* 543 * Hard-wired definition string to be compiled and cached every time a new 544 * DTrace library handle is initialized. This string should only be used to 545 * contain definitions that should be present regardless of DTRACE_O_NOLIBS. 546 */ 547 static const char _dtrace_hardwire[] = "\ 548 inline long NULL = 0; \n\ 549 #pragma D binding \"1.0\" NULL\n\ 550 "; 551 552 /* 553 * Default DTrace configuration to use when opening libdtrace DTRACE_O_NODEV. 554 * If DTRACE_O_NODEV is not set, we load the configuration from the kernel. 555 * The use of CTF_MODEL_NATIVE is more subtle than it might appear: we are 556 * relying on the fact that when running dtrace(1M), isaexec will invoke the 557 * binary with the same bitness as the kernel, which is what we want by default 558 * when generating our DIF. The user can override the choice using oflags. 559 */ 560 static const dtrace_conf_t _dtrace_conf = { 561 DIF_VERSION, /* dtc_difversion */ 562 DIF_DIR_NREGS, /* dtc_difintregs */ 563 DIF_DTR_NREGS, /* dtc_diftupregs */ 564 CTF_MODEL_NATIVE /* dtc_ctfmodel */ 565 }; 566 567 const dtrace_attribute_t _dtrace_maxattr = { 568 DTRACE_STABILITY_MAX, 569 DTRACE_STABILITY_MAX, 570 DTRACE_CLASS_MAX 571 }; 572 573 const dtrace_attribute_t _dtrace_defattr = { 574 DTRACE_STABILITY_STABLE, 575 DTRACE_STABILITY_STABLE, 576 DTRACE_CLASS_COMMON 577 }; 578 579 const dtrace_attribute_t _dtrace_symattr = { 580 DTRACE_STABILITY_PRIVATE, 581 DTRACE_STABILITY_PRIVATE, 582 DTRACE_CLASS_UNKNOWN 583 }; 584 585 const dtrace_attribute_t _dtrace_typattr = { 586 DTRACE_STABILITY_PRIVATE, 587 DTRACE_STABILITY_PRIVATE, 588 DTRACE_CLASS_UNKNOWN 589 }; 590 591 const dtrace_attribute_t _dtrace_prvattr = { 592 DTRACE_STABILITY_PRIVATE, 593 DTRACE_STABILITY_PRIVATE, 594 DTRACE_CLASS_UNKNOWN 595 }; 596 597 const dtrace_pattr_t _dtrace_prvdesc = { 598 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 599 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 600 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 601 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 602 { DTRACE_STABILITY_UNSTABLE, DTRACE_STABILITY_UNSTABLE, DTRACE_CLASS_COMMON }, 603 }; 604 605 const char *_dtrace_defcpp = "/usr/ccs/lib/cpp"; /* default cpp(1) to invoke */ 606 const char *_dtrace_defld = "/usr/ccs/bin/ld"; /* default ld(1) to invoke */ 607 608 const char *_dtrace_libdir = "/usr/lib/dtrace"; /* default library directory */ 609 const char *_dtrace_provdir = "/dev/dtrace/provider"; /* provider directory */ 610 611 int _dtrace_strbuckets = 211; /* default number of hash buckets (prime) */ 612 int _dtrace_intbuckets = 256; /* default number of integer buckets (Pof2) */ 613 uint_t _dtrace_strsize = 256; /* default size of string intrinsic type */ 614 uint_t _dtrace_stkindent = 14; /* default whitespace indent for stack/ustack */ 615 uint_t _dtrace_pidbuckets = 64; /* default number of pid hash buckets */ 616 uint_t _dtrace_pidlrulim = 8; /* default number of pid handles to cache */ 617 size_t _dtrace_bufsize = 512; /* default dt_buf_create() size */ 618 int _dtrace_argmax = 32; /* default maximum number of probe arguments */ 619 620 int _dtrace_debug = 0; /* debug messages enabled (off) */ 621 const char *const _dtrace_version = DT_VERS_STRING; /* API version string */ 622 int _dtrace_rdvers = RD_VERSION; /* rtld_db feature version */ 623 624 typedef struct dt_fdlist { 625 int *df_fds; /* array of provider driver file descriptors */ 626 uint_t df_ents; /* number of valid elements in df_fds[] */ 627 uint_t df_size; /* size of df_fds[] */ 628 } dt_fdlist_t; 629 630 #pragma init(_dtrace_init) 631 void 632 _dtrace_init(void) 633 { 634 _dtrace_debug = getenv("DTRACE_DEBUG") != NULL; 635 636 for (; _dtrace_rdvers > 0; _dtrace_rdvers--) { 637 if (rd_init(_dtrace_rdvers) == RD_OK) 638 break; 639 } 640 } 641 642 static dtrace_hdl_t * 643 set_open_errno(dtrace_hdl_t *dtp, int *errp, int err) 644 { 645 if (dtp != NULL) 646 dtrace_close(dtp); 647 if (errp != NULL) 648 *errp = err; 649 return (NULL); 650 } 651 652 static void 653 dt_provmod_open(dt_provmod_t **provmod, dt_fdlist_t *dfp) 654 { 655 dt_provmod_t *prov; 656 char path[PATH_MAX]; 657 struct dirent *dp, *ep; 658 DIR *dirp; 659 int fd; 660 661 if ((dirp = opendir(_dtrace_provdir)) == NULL) 662 return; /* failed to open directory; just skip it */ 663 664 ep = alloca(sizeof (struct dirent) + PATH_MAX + 1); 665 bzero(ep, sizeof (struct dirent) + PATH_MAX + 1); 666 667 while (readdir_r(dirp, ep, &dp) == 0 && dp != NULL) { 668 if (dp->d_name[0] == '.') 669 continue; /* skip "." and ".." */ 670 671 if (dfp->df_ents == dfp->df_size) { 672 uint_t size = dfp->df_size ? dfp->df_size * 2 : 16; 673 int *fds = realloc(dfp->df_fds, size * sizeof (int)); 674 675 if (fds == NULL) 676 break; /* skip the rest of this directory */ 677 678 dfp->df_fds = fds; 679 dfp->df_size = size; 680 } 681 682 (void) snprintf(path, sizeof (path), "%s/%s", 683 _dtrace_provdir, dp->d_name); 684 685 if ((fd = open(path, O_RDONLY)) == -1) 686 continue; /* failed to open driver; just skip it */ 687 688 if (((prov = malloc(sizeof (dt_provmod_t))) == NULL) || 689 (prov->dp_name = malloc(strlen(dp->d_name) + 1)) == NULL) { 690 free(prov); 691 (void) close(fd); 692 break; 693 } 694 695 (void) strcpy(prov->dp_name, dp->d_name); 696 prov->dp_next = *provmod; 697 *provmod = prov; 698 699 dt_dprintf("opened provider %s\n", dp->d_name); 700 dfp->df_fds[dfp->df_ents++] = fd; 701 } 702 703 (void) closedir(dirp); 704 } 705 706 static void 707 dt_provmod_destroy(dt_provmod_t **provmod) 708 { 709 dt_provmod_t *next, *current; 710 711 for (current = *provmod; current != NULL; current = next) { 712 next = current->dp_next; 713 free(current->dp_name); 714 free(current); 715 } 716 717 *provmod = NULL; 718 } 719 720 static const char * 721 dt_get_sysinfo(int cmd, char *buf, size_t len) 722 { 723 ssize_t rv = sysinfo(cmd, buf, len); 724 char *p = buf; 725 726 if (rv < 0 || rv > len) 727 (void) snprintf(buf, len, "%s", "Unknown"); 728 729 while ((p = strchr(p, '.')) != NULL) 730 *p++ = '_'; 731 732 return (buf); 733 } 734 735 static dtrace_hdl_t * 736 dt_vopen(int version, int flags, int *errp, 737 const dtrace_vector_t *vector, void *arg) 738 { 739 dtrace_hdl_t *dtp = NULL; 740 int dtfd = -1, ftfd = -1, fterr = 0; 741 dtrace_prog_t *pgp; 742 dt_module_t *dmp; 743 dt_provmod_t *provmod = NULL; 744 int i, err; 745 746 const dt_intrinsic_t *dinp; 747 const dt_typedef_t *dtyp; 748 const dt_ident_t *idp; 749 750 dtrace_typeinfo_t dtt; 751 ctf_funcinfo_t ctc; 752 ctf_arinfo_t ctr; 753 754 dt_fdlist_t df = { NULL, 0, 0 }; 755 756 char isadef[32], utsdef[32]; 757 char s1[64], s2[64]; 758 759 if (version <= 0) 760 return (set_open_errno(dtp, errp, EINVAL)); 761 762 if (version > DTRACE_VERSION) 763 return (set_open_errno(dtp, errp, EDT_VERSION)); 764 765 if (version < DTRACE_VERSION) { 766 /* 767 * Currently, increasing the library version number is used to 768 * denote a binary incompatible change. That is, a consumer 769 * of the library cannot run on a version of the library with 770 * a higher DTRACE_VERSION number than the consumer compiled 771 * against. Once the library API has been committed to, 772 * backwards binary compatibility will be required; at that 773 * time, this check should change to return EDT_OVERSION only 774 * if the specified version number is less than the version 775 * number at the time of interface commitment. 776 */ 777 return (set_open_errno(dtp, errp, EDT_OVERSION)); 778 } 779 780 if (flags & ~DTRACE_O_MASK) 781 return (set_open_errno(dtp, errp, EINVAL)); 782 783 if ((flags & DTRACE_O_LP64) && (flags & DTRACE_O_ILP32)) 784 return (set_open_errno(dtp, errp, EINVAL)); 785 786 if (vector == NULL && arg != NULL) 787 return (set_open_errno(dtp, errp, EINVAL)); 788 789 if (elf_version(EV_CURRENT) == EV_NONE) 790 return (set_open_errno(dtp, errp, EDT_ELFVERSION)); 791 792 if (vector != NULL || (flags & DTRACE_O_NODEV)) 793 goto alloc; /* do not attempt to open dtrace device */ 794 795 /* 796 * Get the device path of each of the providers. We hold them open 797 * in the df.df_fds list until we open the DTrace driver itself, 798 * allowing us to see all of the probes provided on this system. Once 799 * we have the DTrace driver open, we can safely close all the providers 800 * now that they have registered with the framework. 801 */ 802 dt_provmod_open(&provmod, &df); 803 804 dtfd = open("/dev/dtrace/dtrace", O_RDWR); 805 err = errno; /* save errno from opening dtfd */ 806 807 ftfd = open("/dev/dtrace/provider/fasttrap", O_RDWR); 808 fterr = ftfd == -1 ? errno : 0; /* save errno from open ftfd */ 809 810 while (df.df_ents-- != 0) 811 (void) close(df.df_fds[df.df_ents]); 812 813 free(df.df_fds); 814 815 /* 816 * If we failed to open the dtrace device, fail dtrace_open(). 817 * We convert some kernel errnos to custom libdtrace errnos to 818 * improve the resulting message from the usual strerror(). 819 */ 820 if (dtfd == -1) { 821 dt_provmod_destroy(&provmod); 822 switch (err) { 823 case ENOENT: 824 err = EDT_NOENT; 825 break; 826 case EBUSY: 827 err = EDT_BUSY; 828 break; 829 case EACCES: 830 err = EDT_ACCESS; 831 break; 832 } 833 return (set_open_errno(dtp, errp, err)); 834 } 835 836 (void) fcntl(dtfd, F_SETFD, FD_CLOEXEC); 837 (void) fcntl(ftfd, F_SETFD, FD_CLOEXEC); 838 839 alloc: 840 if ((dtp = malloc(sizeof (dtrace_hdl_t))) == NULL) 841 return (set_open_errno(dtp, errp, EDT_NOMEM)); 842 843 bzero(dtp, sizeof (dtrace_hdl_t)); 844 dtp->dt_oflags = flags; 845 dtp->dt_prcmode = DT_PROC_STOP_PREINIT; 846 dtp->dt_linkmode = DT_LINK_KERNEL; 847 dtp->dt_linktype = DT_LTYP_ELF; 848 dtp->dt_xlatemode = DT_XL_STATIC; 849 dtp->dt_stdcmode = DT_STDC_XA; 850 dtp->dt_version = version; 851 dtp->dt_fd = dtfd; 852 dtp->dt_ftfd = ftfd; 853 dtp->dt_fterr = fterr; 854 dtp->dt_cdefs_fd = -1; 855 dtp->dt_ddefs_fd = -1; 856 dtp->dt_stdout_fd = -1; 857 dtp->dt_modbuckets = _dtrace_strbuckets; 858 dtp->dt_mods = calloc(dtp->dt_modbuckets, sizeof (dt_module_t *)); 859 dtp->dt_provbuckets = _dtrace_strbuckets; 860 dtp->dt_provs = calloc(dtp->dt_provbuckets, sizeof (dt_provider_t *)); 861 dt_proc_hash_create(dtp); 862 dtp->dt_vmax = DT_VERS_LATEST; 863 dtp->dt_cpp_path = strdup(_dtrace_defcpp); 864 dtp->dt_cpp_argv = malloc(sizeof (char *)); 865 dtp->dt_cpp_argc = 1; 866 dtp->dt_cpp_args = 1; 867 dtp->dt_ld_path = strdup(_dtrace_defld); 868 dtp->dt_provmod = provmod; 869 dtp->dt_vector = vector; 870 dtp->dt_varg = arg; 871 dt_dof_init(dtp); 872 (void) uname(&dtp->dt_uts); 873 874 if (dtp->dt_mods == NULL || dtp->dt_provs == NULL || 875 dtp->dt_procs == NULL || dtp->dt_ld_path == NULL || 876 dtp->dt_cpp_path == NULL || dtp->dt_cpp_argv == NULL) 877 return (set_open_errno(dtp, errp, EDT_NOMEM)); 878 879 for (i = 0; i < DTRACEOPT_MAX; i++) 880 dtp->dt_options[i] = DTRACEOPT_UNSET; 881 882 dtp->dt_cpp_argv[0] = (char *)strbasename(dtp->dt_cpp_path); 883 884 (void) snprintf(isadef, sizeof (isadef), "-D__SUNW_D_%u", 885 (uint_t)(sizeof (void *) * NBBY)); 886 887 (void) snprintf(utsdef, sizeof (utsdef), "-D__%s_%s", 888 dt_get_sysinfo(SI_SYSNAME, s1, sizeof (s1)), 889 dt_get_sysinfo(SI_RELEASE, s2, sizeof (s2))); 890 891 if (dt_cpp_add_arg(dtp, "-D__sun") == NULL || 892 dt_cpp_add_arg(dtp, "-D__unix") == NULL || 893 dt_cpp_add_arg(dtp, "-D__SVR4") == NULL || 894 dt_cpp_add_arg(dtp, "-D__SUNW_D=1") == NULL || 895 dt_cpp_add_arg(dtp, isadef) == NULL || 896 dt_cpp_add_arg(dtp, utsdef) == NULL) 897 return (set_open_errno(dtp, errp, EDT_NOMEM)); 898 899 if (flags & DTRACE_O_NODEV) 900 bcopy(&_dtrace_conf, &dtp->dt_conf, sizeof (_dtrace_conf)); 901 else if (dt_ioctl(dtp, DTRACEIOC_CONF, &dtp->dt_conf) != 0) 902 return (set_open_errno(dtp, errp, errno)); 903 904 if (flags & DTRACE_O_LP64) 905 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_LP64; 906 else if (flags & DTRACE_O_ILP32) 907 dtp->dt_conf.dtc_ctfmodel = CTF_MODEL_ILP32; 908 909 #ifdef __sparc 910 /* 911 * On SPARC systems, __sparc is always defined for <sys/isa_defs.h> 912 * and __sparcv9 is defined if we are doing a 64-bit compile. 913 */ 914 if (dt_cpp_add_arg(dtp, "-D__sparc") == NULL) 915 return (set_open_errno(dtp, errp, EDT_NOMEM)); 916 917 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64 && 918 dt_cpp_add_arg(dtp, "-D__sparcv9") == NULL) 919 return (set_open_errno(dtp, errp, EDT_NOMEM)); 920 #endif 921 922 #ifdef __x86 923 /* 924 * On x86 systems, __i386 is defined for <sys/isa_defs.h> for 32-bit 925 * compiles and __amd64 is defined for 64-bit compiles. Unlike SPARC, 926 * they are defined exclusive of one another (see PSARC 2004/619). 927 */ 928 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_LP64) { 929 if (dt_cpp_add_arg(dtp, "-D__amd64") == NULL) 930 return (set_open_errno(dtp, errp, EDT_NOMEM)); 931 } else { 932 if (dt_cpp_add_arg(dtp, "-D__i386") == NULL) 933 return (set_open_errno(dtp, errp, EDT_NOMEM)); 934 } 935 #endif 936 937 if (dtp->dt_conf.dtc_difversion < DIF_VERSION) 938 return (set_open_errno(dtp, errp, EDT_DIFVERS)); 939 940 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) 941 bcopy(_dtrace_ints_32, dtp->dt_ints, sizeof (_dtrace_ints_32)); 942 else 943 bcopy(_dtrace_ints_64, dtp->dt_ints, sizeof (_dtrace_ints_64)); 944 945 dtp->dt_macros = dt_idhash_create("macro", NULL, 0, UINT_MAX); 946 dtp->dt_aggs = dt_idhash_create("aggregation", NULL, 947 DTRACE_AGGVARIDNONE + 1, UINT_MAX); 948 949 dtp->dt_globals = dt_idhash_create("global", _dtrace_globals, 950 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 951 952 dtp->dt_tls = dt_idhash_create("thread local", NULL, 953 DIF_VAR_OTHER_UBASE, DIF_VAR_OTHER_MAX); 954 955 if (dtp->dt_macros == NULL || dtp->dt_aggs == NULL || 956 dtp->dt_globals == NULL || dtp->dt_tls == NULL) 957 return (set_open_errno(dtp, errp, EDT_NOMEM)); 958 959 /* 960 * Populate the dt_macros identifier hash table by hand: we can't use 961 * the dt_idhash_populate() mechanism because we're not yet compiling 962 * and dtrace_update() needs to immediately reference these idents. 963 */ 964 for (idp = _dtrace_macros; idp->di_name != NULL; idp++) { 965 if (dt_idhash_insert(dtp->dt_macros, idp->di_name, 966 idp->di_kind, idp->di_flags, idp->di_id, idp->di_attr, 967 idp->di_vers, idp->di_ops ? idp->di_ops : &dt_idops_thaw, 968 idp->di_iarg, 0) == NULL) 969 return (set_open_errno(dtp, errp, EDT_NOMEM)); 970 } 971 972 /* 973 * Update the module list using /system/object and load the values for 974 * the macro variable definitions according to the current process. 975 */ 976 dtrace_update(dtp); 977 978 /* 979 * Select the intrinsics and typedefs we want based on the data model. 980 * The intrinsics are under "C". The typedefs are added under "D". 981 */ 982 if (dtp->dt_conf.dtc_ctfmodel == CTF_MODEL_ILP32) { 983 dinp = _dtrace_intrinsics_32; 984 dtyp = _dtrace_typedefs_32; 985 } else { 986 dinp = _dtrace_intrinsics_64; 987 dtyp = _dtrace_typedefs_64; 988 } 989 990 /* 991 * Create a dynamic CTF container under the "C" scope for intrinsic 992 * types and types defined in ANSI-C header files that are included. 993 */ 994 if ((dmp = dtp->dt_cdefs = dt_module_create(dtp, "C")) == NULL) 995 return (set_open_errno(dtp, errp, EDT_NOMEM)); 996 997 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 998 return (set_open_errno(dtp, errp, EDT_CTF)); 999 1000 dt_dprintf("created CTF container for %s (%p)\n", 1001 dmp->dm_name, (void *)dmp->dm_ctfp); 1002 1003 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1004 ctf_setspecific(dmp->dm_ctfp, dmp); 1005 1006 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1007 dmp->dm_modid = -1; /* no module ID */ 1008 1009 /* 1010 * Fill the dynamic "C" CTF container with all of the intrinsic 1011 * integer and floating-point types appropriate for this data model. 1012 */ 1013 for (; dinp->din_name != NULL; dinp++) { 1014 if (dinp->din_kind == CTF_K_INTEGER) { 1015 err = ctf_add_integer(dmp->dm_ctfp, CTF_ADD_ROOT, 1016 dinp->din_name, &dinp->din_data); 1017 } else { 1018 err = ctf_add_float(dmp->dm_ctfp, CTF_ADD_ROOT, 1019 dinp->din_name, &dinp->din_data); 1020 } 1021 1022 if (err == CTF_ERR) { 1023 dt_dprintf("failed to add %s to C container: %s\n", 1024 dinp->din_name, ctf_errmsg( 1025 ctf_errno(dmp->dm_ctfp))); 1026 return (set_open_errno(dtp, errp, EDT_CTF)); 1027 } 1028 } 1029 1030 if (ctf_update(dmp->dm_ctfp) != 0) { 1031 dt_dprintf("failed to update C container: %s\n", 1032 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1033 return (set_open_errno(dtp, errp, EDT_CTF)); 1034 } 1035 1036 /* 1037 * Add intrinsic pointer types that are needed to initialize printf 1038 * format dictionary types (see table in dt_printf.c). 1039 */ 1040 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1041 ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1042 1043 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1044 ctf_lookup_by_name(dmp->dm_ctfp, "char")); 1045 1046 (void) ctf_add_pointer(dmp->dm_ctfp, CTF_ADD_ROOT, 1047 ctf_lookup_by_name(dmp->dm_ctfp, "int")); 1048 1049 if (ctf_update(dmp->dm_ctfp) != 0) { 1050 dt_dprintf("failed to update C container: %s\n", 1051 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1052 return (set_open_errno(dtp, errp, EDT_CTF)); 1053 } 1054 1055 /* 1056 * Create a dynamic CTF container under the "D" scope for types that 1057 * are defined by the D program itself or on-the-fly by the D compiler. 1058 * The "D" CTF container is a child of the "C" CTF container. 1059 */ 1060 if ((dmp = dtp->dt_ddefs = dt_module_create(dtp, "D")) == NULL) 1061 return (set_open_errno(dtp, errp, EDT_NOMEM)); 1062 1063 if ((dmp->dm_ctfp = ctf_create(&dtp->dt_ctferr)) == NULL) 1064 return (set_open_errno(dtp, errp, EDT_CTF)); 1065 1066 dt_dprintf("created CTF container for %s (%p)\n", 1067 dmp->dm_name, (void *)dmp->dm_ctfp); 1068 1069 (void) ctf_setmodel(dmp->dm_ctfp, dtp->dt_conf.dtc_ctfmodel); 1070 ctf_setspecific(dmp->dm_ctfp, dmp); 1071 1072 dmp->dm_flags = DT_DM_LOADED; /* fake up loaded bit */ 1073 dmp->dm_modid = -1; /* no module ID */ 1074 1075 if (ctf_import(dmp->dm_ctfp, dtp->dt_cdefs->dm_ctfp) == CTF_ERR) { 1076 dt_dprintf("failed to import D parent container: %s\n", 1077 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1078 return (set_open_errno(dtp, errp, EDT_CTF)); 1079 } 1080 1081 /* 1082 * Fill the dynamic "D" CTF container with all of the built-in typedefs 1083 * that we need to use for our D variable and function definitions. 1084 * This ensures that basic inttypes.h names are always available to us. 1085 */ 1086 for (; dtyp->dty_src != NULL; dtyp++) { 1087 if (ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1088 dtyp->dty_dst, ctf_lookup_by_name(dmp->dm_ctfp, 1089 dtyp->dty_src)) == CTF_ERR) { 1090 dt_dprintf("failed to add typedef %s %s to D " 1091 "container: %s", dtyp->dty_src, dtyp->dty_dst, 1092 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1093 return (set_open_errno(dtp, errp, EDT_CTF)); 1094 } 1095 } 1096 1097 /* 1098 * Insert a CTF ID corresponding to a pointer to a type of kind 1099 * CTF_K_FUNCTION we can use in the compiler for function pointers. 1100 * CTF treats all function pointers as "int (*)()" so we only need one. 1101 */ 1102 ctc.ctc_return = ctf_lookup_by_name(dmp->dm_ctfp, "int"); 1103 ctc.ctc_argc = 0; 1104 ctc.ctc_flags = 0; 1105 1106 dtp->dt_type_func = ctf_add_function(dmp->dm_ctfp, 1107 CTF_ADD_ROOT, &ctc, NULL); 1108 1109 dtp->dt_type_fptr = ctf_add_pointer(dmp->dm_ctfp, 1110 CTF_ADD_ROOT, dtp->dt_type_func); 1111 1112 /* 1113 * We also insert CTF definitions for the special D intrinsic types 1114 * string and <DYN> into the D container. The string type is added 1115 * as a typedef of char[n]. The <DYN> type is an alias for void. 1116 * We compare types to these special CTF ids throughout the compiler. 1117 */ 1118 ctr.ctr_contents = ctf_lookup_by_name(dmp->dm_ctfp, "char"); 1119 ctr.ctr_index = ctf_lookup_by_name(dmp->dm_ctfp, "long"); 1120 ctr.ctr_nelems = _dtrace_strsize; 1121 1122 dtp->dt_type_str = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1123 "string", ctf_add_array(dmp->dm_ctfp, CTF_ADD_ROOT, &ctr)); 1124 1125 dtp->dt_type_dyn = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1126 "<DYN>", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1127 1128 dtp->dt_type_stack = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1129 "stack", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1130 1131 dtp->dt_type_symaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1132 "_symaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1133 1134 dtp->dt_type_usymaddr = ctf_add_typedef(dmp->dm_ctfp, CTF_ADD_ROOT, 1135 "_usymaddr", ctf_lookup_by_name(dmp->dm_ctfp, "void")); 1136 1137 if (dtp->dt_type_func == CTF_ERR || dtp->dt_type_fptr == CTF_ERR || 1138 dtp->dt_type_str == CTF_ERR || dtp->dt_type_dyn == CTF_ERR || 1139 dtp->dt_type_stack == CTF_ERR || dtp->dt_type_symaddr == CTF_ERR || 1140 dtp->dt_type_usymaddr == CTF_ERR) { 1141 dt_dprintf("failed to add intrinsic to D container: %s\n", 1142 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1143 return (set_open_errno(dtp, errp, EDT_CTF)); 1144 } 1145 1146 if (ctf_update(dmp->dm_ctfp) != 0) { 1147 dt_dprintf("failed update D container: %s\n", 1148 ctf_errmsg(ctf_errno(dmp->dm_ctfp))); 1149 return (set_open_errno(dtp, errp, EDT_CTF)); 1150 } 1151 1152 /* 1153 * Initialize the integer description table used to convert integer 1154 * constants to the appropriate types. Refer to the comments above 1155 * dt_node_int() for a complete description of how this table is used. 1156 */ 1157 for (i = 0; i < sizeof (dtp->dt_ints) / sizeof (dtp->dt_ints[0]); i++) { 1158 if (dtrace_lookup_by_type(dtp, DTRACE_OBJ_EVERY, 1159 dtp->dt_ints[i].did_name, &dtt) != 0) { 1160 dt_dprintf("failed to lookup integer type %s: %s\n", 1161 dtp->dt_ints[i].did_name, 1162 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1163 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1164 } 1165 dtp->dt_ints[i].did_ctfp = dtt.dtt_ctfp; 1166 dtp->dt_ints[i].did_type = dtt.dtt_type; 1167 } 1168 1169 /* 1170 * Now that we've created the "C" and "D" containers, move them to the 1171 * start of the module list so that these types and symbols are found 1172 * first (for stability) when iterating through the module list. 1173 */ 1174 dt_list_delete(&dtp->dt_modlist, dtp->dt_ddefs); 1175 dt_list_prepend(&dtp->dt_modlist, dtp->dt_ddefs); 1176 1177 dt_list_delete(&dtp->dt_modlist, dtp->dt_cdefs); 1178 dt_list_prepend(&dtp->dt_modlist, dtp->dt_cdefs); 1179 1180 if (dt_pfdict_create(dtp) == -1) 1181 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1182 1183 /* 1184 * If we are opening libdtrace DTRACE_O_NODEV enable C_ZDEFS by default 1185 * because without /dev/dtrace open, we will not be able to load the 1186 * names and attributes of any providers or probes from the kernel. 1187 */ 1188 if (flags & DTRACE_O_NODEV) 1189 dtp->dt_cflags |= DTRACE_C_ZDEFS; 1190 1191 /* 1192 * Load hard-wired inlines into the definition cache by calling the 1193 * compiler on the raw definition string defined above. 1194 */ 1195 if ((pgp = dtrace_program_strcompile(dtp, _dtrace_hardwire, 1196 DTRACE_PROBESPEC_NONE, DTRACE_C_EMPTY, 0, NULL)) == NULL) { 1197 dt_dprintf("failed to load hard-wired definitions: %s\n", 1198 dtrace_errmsg(dtp, dtrace_errno(dtp))); 1199 return (set_open_errno(dtp, errp, EDT_HARDWIRE)); 1200 } 1201 1202 dt_program_destroy(dtp, pgp); 1203 1204 /* 1205 * Set up the default DTrace library path. Once set, the next call to 1206 * dt_compile() will compile all the libraries. We intentionally defer 1207 * library processing to improve overhead for clients that don't ever 1208 * compile, and to provide better error reporting (because the full 1209 * reporting of compiler errors requires dtrace_open() to succeed). 1210 */ 1211 if (dtrace_setopt(dtp, "libdir", _dtrace_libdir) != 0) 1212 return (set_open_errno(dtp, errp, dtp->dt_errno)); 1213 1214 return (dtp); 1215 } 1216 1217 dtrace_hdl_t * 1218 dtrace_open(int version, int flags, int *errp) 1219 { 1220 return (dt_vopen(version, flags, errp, NULL, NULL)); 1221 } 1222 1223 dtrace_hdl_t * 1224 dtrace_vopen(int version, int flags, int *errp, 1225 const dtrace_vector_t *vector, void *arg) 1226 { 1227 return (dt_vopen(version, flags, errp, vector, arg)); 1228 } 1229 1230 void 1231 dtrace_close(dtrace_hdl_t *dtp) 1232 { 1233 dt_ident_t *idp, *ndp; 1234 dt_module_t *dmp; 1235 dt_provider_t *pvp; 1236 dtrace_prog_t *pgp; 1237 dt_xlator_t *dxp; 1238 dt_dirpath_t *dirp; 1239 int i; 1240 1241 while ((pgp = dt_list_next(&dtp->dt_programs)) != NULL) 1242 dt_program_destroy(dtp, pgp); 1243 1244 while ((dxp = dt_list_next(&dtp->dt_xlators)) != NULL) 1245 dt_xlator_destroy(dtp, dxp); 1246 1247 dt_free(dtp, dtp->dt_xlatormap); 1248 1249 for (idp = dtp->dt_externs; idp != NULL; idp = ndp) { 1250 ndp = idp->di_next; 1251 dt_ident_destroy(idp); 1252 } 1253 1254 if (dtp->dt_macros != NULL) 1255 dt_idhash_destroy(dtp->dt_macros); 1256 if (dtp->dt_aggs != NULL) 1257 dt_idhash_destroy(dtp->dt_aggs); 1258 if (dtp->dt_globals != NULL) 1259 dt_idhash_destroy(dtp->dt_globals); 1260 if (dtp->dt_tls != NULL) 1261 dt_idhash_destroy(dtp->dt_tls); 1262 1263 while ((dmp = dt_list_next(&dtp->dt_modlist)) != NULL) 1264 dt_module_destroy(dtp, dmp); 1265 1266 while ((pvp = dt_list_next(&dtp->dt_provlist)) != NULL) 1267 dt_provider_destroy(dtp, pvp); 1268 1269 if (dtp->dt_procs != NULL) 1270 dt_proc_hash_destroy(dtp); 1271 1272 if (dtp->dt_fd != -1) 1273 (void) close(dtp->dt_fd); 1274 if (dtp->dt_ftfd != -1) 1275 (void) close(dtp->dt_ftfd); 1276 if (dtp->dt_cdefs_fd != -1) 1277 (void) close(dtp->dt_cdefs_fd); 1278 if (dtp->dt_ddefs_fd != -1) 1279 (void) close(dtp->dt_ddefs_fd); 1280 if (dtp->dt_stdout_fd != -1) 1281 (void) close(dtp->dt_stdout_fd); 1282 1283 dt_epid_destroy(dtp); 1284 dt_aggid_destroy(dtp); 1285 dt_format_destroy(dtp); 1286 dt_buffered_destroy(dtp); 1287 dt_aggregate_destroy(dtp); 1288 free(dtp->dt_buf.dtbd_data); 1289 dt_pfdict_destroy(dtp); 1290 dt_provmod_destroy(&dtp->dt_provmod); 1291 dt_dof_fini(dtp); 1292 1293 for (i = 1; i < dtp->dt_cpp_argc; i++) 1294 free(dtp->dt_cpp_argv[i]); 1295 1296 while ((dirp = dt_list_next(&dtp->dt_lib_path)) != NULL) { 1297 dt_list_delete(&dtp->dt_lib_path, dirp); 1298 free(dirp->dir_path); 1299 free(dirp); 1300 } 1301 1302 free(dtp->dt_cpp_argv); 1303 free(dtp->dt_cpp_path); 1304 free(dtp->dt_ld_path); 1305 1306 free(dtp->dt_mods); 1307 free(dtp->dt_provs); 1308 free(dtp); 1309 } 1310 1311 int 1312 dtrace_provider_modules(dtrace_hdl_t *dtp, const char **mods, int nmods) 1313 { 1314 dt_provmod_t *prov; 1315 int i = 0; 1316 1317 for (prov = dtp->dt_provmod; prov != NULL; prov = prov->dp_next, i++) { 1318 if (i < nmods) 1319 mods[i] = prov->dp_name; 1320 } 1321 1322 return (i); 1323 } 1324 1325 int 1326 dtrace_ctlfd(dtrace_hdl_t *dtp) 1327 { 1328 return (dtp->dt_fd); 1329 } 1330