Mercurial > hg > truffle
annotate src/os/solaris/dtrace/jhelper.d @ 6848:8e47bac5643a
7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti
| author | roland |
|---|---|
| date | Tue, 09 Oct 2012 10:11:38 +0200 |
| parents | da91efe96a93 |
| children | 7f11c12d7a90 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 /* This file is auto-generated */ | |
| 26 #include "JvmOffsetsIndex.h" | |
| 27 | |
| 28 #define DEBUG | |
| 29 | |
| 30 #ifdef DEBUG | |
| 31 #define MARK_LINE this->line = __LINE__ | |
| 32 #else | |
| 33 #define MARK_LINE | |
| 34 #endif | |
| 35 | |
| 36 #ifdef _LP64 | |
| 37 #define STACK_BIAS 0x7ff | |
| 38 #define pointer uint64_t | |
| 39 #else | |
| 40 #define STACK_BIAS 0 | |
| 41 #define pointer uint32_t | |
| 42 #endif | |
| 43 | |
| 44 extern pointer __JvmOffsets; | |
| 45 | |
| 46 extern pointer __1cJCodeCacheF_heap_; | |
| 47 extern pointer __1cIUniverseO_collectedHeap_; | |
| 48 | |
| 49 extern pointer __1cHnmethodG__vtbl_; | |
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50 extern pointer __1cGMethodG__vtbl_; |
| 0 | 51 extern pointer __1cKBufferBlobG__vtbl_; |
| 52 | |
| 53 #define copyin_ptr(ADDR) *(pointer*) copyin((pointer) (ADDR), sizeof(pointer)) | |
| 54 #define copyin_uchar(ADDR) *(uchar_t*) copyin((pointer) (ADDR), sizeof(uchar_t)) | |
| 55 #define copyin_uint16(ADDR) *(uint16_t*) copyin((pointer) (ADDR), sizeof(uint16_t)) | |
| 56 #define copyin_uint32(ADDR) *(uint32_t*) copyin((pointer) (ADDR), sizeof(uint32_t)) | |
| 57 #define copyin_int32(ADDR) *(int32_t*) copyin((pointer) (ADDR), sizeof(int32_t)) | |
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58 #define copyin_uint8(ADDR) *(uint8_t*) copyin((pointer) (ADDR), sizeof(uint8_t)) |
| 0 | 59 |
| 60 #define SAME(x) x | |
| 61 #define copyin_offset(JVM_CONST) JVM_CONST = \ | |
| 62 copyin_int32(JvmOffsetsPtr + SAME(IDX_)JVM_CONST * sizeof(int32_t)) | |
| 63 | |
| 64 int init_done; | |
| 65 | |
| 66 dtrace:helper:ustack: | |
| 67 { | |
| 68 MARK_LINE; | |
| 69 this->done = 0; | |
| 70 /* | |
| 71 * TBD: | |
| 72 * Here we initialize init_done, otherwise jhelper does not work. | |
| 73 * Therefore, copyin_offset() statements work multiple times now. | |
| 74 * There is a hope we could avoid it in the future, and so, | |
| 75 * this initialization can be removed. | |
| 76 */ | |
| 77 init_done = 0; | |
| 78 this->error = (char *) NULL; | |
| 79 this->result = (char *) NULL; | |
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80 this->isMethod = 0; |
| 0 | 81 this->codecache = 0; |
| 82 this->klass = (pointer) NULL; | |
| 83 this->vtbl = (pointer) NULL; | |
| 84 this->suffix = '\0'; | |
| 85 } | |
| 86 | |
| 87 dtrace:helper:ustack: | |
| 88 { | |
| 89 MARK_LINE; | |
| 90 /* Initialization of JvmOffsets constants */ | |
| 91 JvmOffsetsPtr = (pointer) &``__JvmOffsets; | |
| 92 } | |
| 93 | |
| 94 dtrace:helper:ustack: | |
| 95 /!init_done && !this->done/ | |
| 96 { | |
| 97 MARK_LINE; | |
| 98 init_done = 1; | |
| 99 | |
| 100 copyin_offset(COMPILER); | |
| 101 copyin_offset(OFFSET_CollectedHeap_reserved); | |
| 102 copyin_offset(OFFSET_MemRegion_start); | |
| 103 copyin_offset(OFFSET_MemRegion_word_size); | |
| 104 copyin_offset(SIZE_HeapWord); | |
| 105 | |
| 106 copyin_offset(OFFSET_interpreter_frame_method); | |
| 107 copyin_offset(OFFSET_Klass_name); | |
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108 copyin_offset(OFFSET_ConstantPool_pool_holder); |
| 0 | 109 |
| 110 copyin_offset(OFFSET_HeapBlockHeader_used); | |
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111 copyin_offset(OFFSET_oopDesc_metadata); |
| 0 | 112 |
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113 copyin_offset(OFFSET_Symbol_length); |
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114 copyin_offset(OFFSET_Symbol_body); |
| 0 | 115 |
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116 copyin_offset(OFFSET_Method_constMethod); |
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117 copyin_offset(OFFSET_ConstMethod_constants); |
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118 copyin_offset(OFFSET_ConstMethod_name_index); |
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119 copyin_offset(OFFSET_ConstMethod_signature_index); |
| 0 | 120 |
| 121 copyin_offset(OFFSET_CodeHeap_memory); | |
| 122 copyin_offset(OFFSET_CodeHeap_segmap); | |
| 123 copyin_offset(OFFSET_CodeHeap_log2_segment_size); | |
| 124 | |
| 125 copyin_offset(OFFSET_VirtualSpace_low); | |
| 126 copyin_offset(OFFSET_VirtualSpace_high); | |
| 127 | |
| 128 copyin_offset(OFFSET_CodeBlob_name); | |
| 129 | |
| 130 copyin_offset(OFFSET_nmethod_method); | |
| 131 copyin_offset(SIZE_HeapBlockHeader); | |
| 132 copyin_offset(SIZE_oopDesc); | |
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133 copyin_offset(SIZE_ConstantPool); |
| 0 | 134 |
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135 copyin_offset(OFFSET_NarrowPtrStruct_base); |
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136 copyin_offset(OFFSET_NarrowPtrStruct_shift); |
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137 |
| 0 | 138 /* |
| 139 * The PC to translate is in arg0. | |
| 140 */ | |
| 141 this->pc = arg0; | |
| 142 | |
| 143 /* | |
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144 * The methodPtr is in %l2 on SPARC. This can be found at |
| 0 | 145 * offset 8 from the frame pointer on 32-bit processes. |
| 146 */ | |
| 147 #if defined(__sparc) | |
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148 this->methodPtr = copyin_ptr(arg1 + 2 * sizeof(pointer) + STACK_BIAS); |
| 0 | 149 #elif defined(__i386) || defined(__amd64) |
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150 this->methodPtr = copyin_ptr(arg1 + OFFSET_interpreter_frame_method); |
| 0 | 151 #else |
| 152 #error "Don't know architecture" | |
| 153 #endif | |
| 154 | |
| 155 this->CodeCache_heap_address = copyin_ptr(&``__1cJCodeCacheF_heap_); | |
| 156 | |
| 157 this->CodeCache_low = copyin_ptr(this->CodeCache_heap_address + | |
| 158 OFFSET_CodeHeap_memory + OFFSET_VirtualSpace_low); | |
| 159 | |
| 160 this->CodeCache_high = copyin_ptr(this->CodeCache_heap_address + | |
| 161 OFFSET_CodeHeap_memory + OFFSET_VirtualSpace_high); | |
| 162 | |
| 163 this->CodeCache_segmap_low = copyin_ptr(this->CodeCache_heap_address + | |
| 164 OFFSET_CodeHeap_segmap + OFFSET_VirtualSpace_low); | |
| 165 | |
| 166 this->CodeCache_segmap_high = copyin_ptr(this->CodeCache_heap_address + | |
| 167 OFFSET_CodeHeap_segmap + OFFSET_VirtualSpace_high); | |
| 168 | |
| 169 this->CodeHeap_log2_segment_size = copyin_uint32( | |
| 170 this->CodeCache_heap_address + OFFSET_CodeHeap_log2_segment_size); | |
| 171 | |
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172 this->Method_vtbl = (pointer) &``__1cGMethodG__vtbl_; |
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173 |
| 0 | 174 /* |
| 175 * Get Java heap bounds | |
| 176 */ | |
| 177 this->Universe_collectedHeap = copyin_ptr(&``__1cIUniverseO_collectedHeap_); | |
| 178 this->heap_start = copyin_ptr(this->Universe_collectedHeap + | |
| 179 OFFSET_CollectedHeap_reserved + | |
| 180 OFFSET_MemRegion_start); | |
| 181 this->heap_size = SIZE_HeapWord * | |
| 182 copyin_ptr(this->Universe_collectedHeap + | |
| 183 OFFSET_CollectedHeap_reserved + | |
| 184 OFFSET_MemRegion_word_size | |
| 185 ); | |
| 186 this->heap_end = this->heap_start + this->heap_size; | |
| 187 } | |
| 188 | |
| 189 dtrace:helper:ustack: | |
| 190 /!this->done && | |
| 191 this->CodeCache_low <= this->pc && this->pc < this->CodeCache_high/ | |
| 192 { | |
| 193 MARK_LINE; | |
| 194 this->codecache = 1; | |
| 195 | |
| 196 /* | |
| 197 * Find start. | |
| 198 */ | |
| 199 this->segment = (this->pc - this->CodeCache_low) >> | |
| 200 this->CodeHeap_log2_segment_size; | |
| 201 this->block = this->CodeCache_segmap_low; | |
| 202 this->tag = copyin_uchar(this->block + this->segment); | |
| 203 "second"; | |
| 204 } | |
| 205 | |
| 206 dtrace:helper:ustack: | |
| 207 /!this->done && this->codecache && this->tag > 0/ | |
| 208 { | |
| 209 MARK_LINE; | |
| 210 this->tag = copyin_uchar(this->block + this->segment); | |
| 211 this->segment = this->segment - this->tag; | |
| 212 } | |
| 213 | |
| 214 dtrace:helper:ustack: | |
| 215 /!this->done && this->codecache && this->tag > 0/ | |
| 216 { | |
| 217 MARK_LINE; | |
| 218 this->tag = copyin_uchar(this->block + this->segment); | |
| 219 this->segment = this->segment - this->tag; | |
| 220 } | |
| 221 | |
| 222 dtrace:helper:ustack: | |
| 223 /!this->done && this->codecache && this->tag > 0/ | |
| 224 { | |
| 225 MARK_LINE; | |
| 226 this->tag = copyin_uchar(this->block + this->segment); | |
| 227 this->segment = this->segment - this->tag; | |
| 228 } | |
| 229 | |
| 230 dtrace:helper:ustack: | |
| 231 /!this->done && this->codecache && this->tag > 0/ | |
| 232 { | |
| 233 MARK_LINE; | |
| 234 this->tag = copyin_uchar(this->block + this->segment); | |
| 235 this->segment = this->segment - this->tag; | |
| 236 } | |
| 237 | |
| 238 dtrace:helper:ustack: | |
| 239 /!this->done && this->codecache && this->tag > 0/ | |
| 240 { | |
| 241 MARK_LINE; | |
| 242 this->tag = copyin_uchar(this->block + this->segment); | |
| 243 this->segment = this->segment - this->tag; | |
| 244 } | |
| 245 | |
| 246 dtrace:helper:ustack: | |
| 247 /!this->done && this->codecache && this->tag > 0/ | |
| 248 { | |
| 249 MARK_LINE; | |
| 250 this->error = "<couldn't find start>"; | |
| 251 this->done = 1; | |
| 252 } | |
| 253 | |
| 254 dtrace:helper:ustack: | |
| 255 /!this->done && this->codecache/ | |
| 256 { | |
| 257 MARK_LINE; | |
| 258 this->block = this->CodeCache_low + | |
| 259 (this->segment << this->CodeHeap_log2_segment_size); | |
| 260 this->used = copyin_uint32(this->block + OFFSET_HeapBlockHeader_used); | |
| 261 } | |
| 262 | |
| 263 dtrace:helper:ustack: | |
| 264 /!this->done && this->codecache && !this->used/ | |
| 265 { | |
| 266 MARK_LINE; | |
| 267 this->error = "<block not in use>"; | |
| 268 this->done = 1; | |
| 269 } | |
| 270 | |
| 271 dtrace:helper:ustack: | |
| 272 /!this->done && this->codecache/ | |
| 273 { | |
| 274 MARK_LINE; | |
| 275 this->start = this->block + SIZE_HeapBlockHeader; | |
| 276 this->vtbl = copyin_ptr(this->start); | |
| 277 | |
| 278 this->nmethod_vtbl = (pointer) &``__1cHnmethodG__vtbl_; | |
| 279 this->BufferBlob_vtbl = (pointer) &``__1cKBufferBlobG__vtbl_; | |
| 280 } | |
| 281 | |
| 282 dtrace:helper:ustack: | |
| 283 /!this->done && this->vtbl == this->nmethod_vtbl/ | |
| 284 { | |
| 285 MARK_LINE; | |
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286 this->methodPtr = copyin_ptr(this->start + OFFSET_nmethod_method); |
| 0 | 287 this->suffix = '*'; |
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288 this->isMethod = 1; |
| 0 | 289 } |
| 290 | |
| 291 dtrace:helper:ustack: | |
| 292 /!this->done && this->vtbl == this->BufferBlob_vtbl/ | |
| 293 { | |
| 294 MARK_LINE; | |
| 295 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
| 296 } | |
| 297 | |
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298 |
| 0 | 299 dtrace:helper:ustack: |
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300 /!this->done && this->vtbl == this->BufferBlob_vtbl && this->methodPtr != 0/ |
| 0 | 301 { |
| 302 MARK_LINE; | |
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303 this->klass = copyin_ptr(this->methodPtr); |
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304 this->isMethod = this->klass == this->Method_vtbl; |
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305 this->done = !this->isMethod; |
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306 } |
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307 |
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308 dtrace:helper:ustack: |
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309 /!this->done && !this->isMethod/ |
| 0 | 310 { |
| 311 MARK_LINE; | |
| 312 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
| 313 this->result = this->name != 0 ? copyinstr(this->name) : "<CodeBlob>"; | |
| 314 this->done = 1; | |
| 315 } | |
| 316 | |
| 317 dtrace:helper:ustack: | |
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318 /!this->done && this->isMethod/ |
| 0 | 319 { |
| 320 MARK_LINE; | |
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321 this->constMethod = copyin_ptr(this->methodPtr + |
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322 OFFSET_Method_constMethod); |
| 0 | 323 |
| 324 this->nameIndex = copyin_uint16(this->constMethod + | |
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325 OFFSET_ConstMethod_name_index); |
| 0 | 326 |
| 327 this->signatureIndex = copyin_uint16(this->constMethod + | |
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328 OFFSET_ConstMethod_signature_index); |
| 0 | 329 |
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330 this->constantPool = copyin_ptr(this->constMethod + |
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331 OFFSET_ConstMethod_constants); |
| 0 | 332 |
| 333 this->nameSymbol = copyin_ptr(this->constantPool + | |
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334 this->nameIndex * sizeof (pointer) + SIZE_ConstantPool); |
| 0 | 335 |
| 336 this->nameSymbolLength = copyin_uint16(this->nameSymbol + | |
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337 OFFSET_Symbol_length); |
| 0 | 338 |
| 339 this->signatureSymbol = copyin_ptr(this->constantPool + | |
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340 this->signatureIndex * sizeof (pointer) + SIZE_ConstantPool); |
| 0 | 341 |
| 342 this->signatureSymbolLength = copyin_uint16(this->signatureSymbol + | |
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343 OFFSET_Symbol_length); |
| 0 | 344 |
| 345 this->klassPtr = copyin_ptr(this->constantPool + | |
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346 OFFSET_ConstantPool_pool_holder); |
| 0 | 347 |
| 348 this->klassSymbol = copyin_ptr(this->klassPtr + | |
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349 OFFSET_Klass_name); |
| 0 | 350 |
| 351 this->klassSymbolLength = copyin_uint16(this->klassSymbol + | |
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352 OFFSET_Symbol_length); |
| 0 | 353 |
| 354 /* | |
| 355 * Enough for three strings, plus the '.', plus the trailing '\0'. | |
| 356 */ | |
| 357 this->result = (char *) alloca(this->klassSymbolLength + | |
| 358 this->nameSymbolLength + | |
| 359 this->signatureSymbolLength + 2 + 1); | |
| 360 | |
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361 copyinto(this->klassSymbol + OFFSET_Symbol_body, |
| 0 | 362 this->klassSymbolLength, this->result); |
| 363 | |
| 364 /* | |
| 365 * Add the '.' between the class and the name. | |
| 366 */ | |
| 367 this->result[this->klassSymbolLength] = '.'; | |
| 368 | |
|
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369 copyinto(this->nameSymbol + OFFSET_Symbol_body, |
| 0 | 370 this->nameSymbolLength, |
| 371 this->result + this->klassSymbolLength + 1); | |
| 372 | |
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373 copyinto(this->signatureSymbol + OFFSET_Symbol_body, |
| 0 | 374 this->signatureSymbolLength, |
| 375 this->result + this->klassSymbolLength + | |
| 376 this->nameSymbolLength + 1); | |
| 377 | |
| 378 /* | |
| 379 * Now we need to add a trailing '\0' and possibly a tag character. | |
| 380 */ | |
| 381 this->result[this->klassSymbolLength + 1 + | |
| 382 this->nameSymbolLength + | |
| 383 this->signatureSymbolLength] = this->suffix; | |
| 384 this->result[this->klassSymbolLength + 2 + | |
| 385 this->nameSymbolLength + | |
| 386 this->signatureSymbolLength] = '\0'; | |
| 387 | |
| 388 this->done = 1; | |
| 389 } | |
| 390 | |
| 391 dtrace:helper:ustack: | |
| 392 /this->done && this->error == (char *) NULL/ | |
| 393 { | |
| 394 this->result; | |
| 395 } | |
| 396 | |
| 397 dtrace:helper:ustack: | |
| 398 /this->done && this->error != (char *) NULL/ | |
| 399 { | |
| 400 this->error; | |
| 401 } | |
| 402 | |
| 403 dtrace:helper:ustack: | |
| 404 /!this->done && this->codecache/ | |
| 405 { | |
| 406 this->done = 1; | |
| 407 "error"; | |
| 408 } | |
| 409 | |
| 410 | |
| 411 dtrace:helper:ustack: | |
| 412 /!this->done/ | |
| 413 { | |
| 414 NULL; | |
| 415 } |