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