Mercurial > hg > truffle
annotate src/os/solaris/dtrace/jhelper.d @ 113:ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
| author | coleenp |
|---|---|
| date | Sun, 13 Apr 2008 17:43:42 -0400 |
| parents | a61af66fc99e |
| children | d1605aabd0a1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. | |
| 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 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 __1cIUniverseP_methodKlassObj_; | |
| 48 extern pointer __1cIUniverseO_collectedHeap_; | |
|
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49 extern pointer __1cIUniverseK_heap_base_; |
| 0 | 50 |
| 51 extern pointer __1cHnmethodG__vtbl_; | |
| 52 extern pointer __1cKBufferBlobG__vtbl_; | |
| 53 | |
| 54 #define copyin_ptr(ADDR) *(pointer*) copyin((pointer) (ADDR), sizeof(pointer)) | |
| 55 #define copyin_uchar(ADDR) *(uchar_t*) copyin((pointer) (ADDR), sizeof(uchar_t)) | |
| 56 #define copyin_uint16(ADDR) *(uint16_t*) copyin((pointer) (ADDR), sizeof(uint16_t)) | |
| 57 #define copyin_uint32(ADDR) *(uint32_t*) copyin((pointer) (ADDR), sizeof(uint32_t)) | |
| 58 #define copyin_int32(ADDR) *(int32_t*) copyin((pointer) (ADDR), sizeof(int32_t)) | |
| 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; | |
| 80 this->methodOop = 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); | |
| 108 copyin_offset(OFFSET_constantPoolOopDesc_pool_holder); | |
| 109 | |
| 110 copyin_offset(OFFSET_HeapBlockHeader_used); | |
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111 copyin_offset(OFFSET_oopDesc_metadata); |
| 0 | 112 |
| 113 copyin_offset(OFFSET_symbolOopDesc_length); | |
| 114 copyin_offset(OFFSET_symbolOopDesc_body); | |
| 115 | |
| 116 copyin_offset(OFFSET_methodOopDesc_constMethod); | |
| 117 copyin_offset(OFFSET_methodOopDesc_constants); | |
| 118 copyin_offset(OFFSET_constMethodOopDesc_name_index); | |
| 119 copyin_offset(OFFSET_constMethodOopDesc_signature_index); | |
| 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); | |
| 133 copyin_offset(SIZE_constantPoolOopDesc); | |
| 134 | |
| 135 /* | |
| 136 * The PC to translate is in arg0. | |
| 137 */ | |
| 138 this->pc = arg0; | |
| 139 | |
| 140 /* | |
| 141 * The methodOopPtr is in %l2 on SPARC. This can be found at | |
| 142 * offset 8 from the frame pointer on 32-bit processes. | |
| 143 */ | |
| 144 #if defined(__sparc) | |
| 145 this->methodOopPtr = copyin_ptr(arg1 + 2 * sizeof(pointer) + STACK_BIAS); | |
| 146 #elif defined(__i386) || defined(__amd64) | |
| 147 this->methodOopPtr = copyin_ptr(arg1 + OFFSET_interpreter_frame_method); | |
| 148 #else | |
| 149 #error "Don't know architecture" | |
| 150 #endif | |
| 151 | |
| 152 this->Universe_methodKlassOop = copyin_ptr(&``__1cIUniverseP_methodKlassObj_); | |
| 153 this->CodeCache_heap_address = copyin_ptr(&``__1cJCodeCacheF_heap_); | |
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154 this->Universe_heap_base = copyin_ptr(&``__1cIUniverseK_heap_base_); |
| 0 | 155 |
| 156 /* Reading volatile values */ | |
| 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 | |
| 172 /* | |
| 173 * Get Java heap bounds | |
| 174 */ | |
| 175 this->Universe_collectedHeap = copyin_ptr(&``__1cIUniverseO_collectedHeap_); | |
| 176 this->heap_start = copyin_ptr(this->Universe_collectedHeap + | |
| 177 OFFSET_CollectedHeap_reserved + | |
| 178 OFFSET_MemRegion_start); | |
| 179 this->heap_size = SIZE_HeapWord * | |
| 180 copyin_ptr(this->Universe_collectedHeap + | |
| 181 OFFSET_CollectedHeap_reserved + | |
| 182 OFFSET_MemRegion_word_size | |
| 183 ); | |
| 184 this->heap_end = this->heap_start + this->heap_size; | |
| 185 } | |
| 186 | |
| 187 dtrace:helper:ustack: | |
| 188 /!this->done && | |
| 189 this->CodeCache_low <= this->pc && this->pc < this->CodeCache_high/ | |
| 190 { | |
| 191 MARK_LINE; | |
| 192 this->codecache = 1; | |
| 193 | |
| 194 /* | |
| 195 * Find start. | |
| 196 */ | |
| 197 this->segment = (this->pc - this->CodeCache_low) >> | |
| 198 this->CodeHeap_log2_segment_size; | |
| 199 this->block = this->CodeCache_segmap_low; | |
| 200 this->tag = copyin_uchar(this->block + this->segment); | |
| 201 "second"; | |
| 202 } | |
| 203 | |
| 204 dtrace:helper:ustack: | |
| 205 /!this->done && this->codecache && this->tag > 0/ | |
| 206 { | |
| 207 MARK_LINE; | |
| 208 this->tag = copyin_uchar(this->block + this->segment); | |
| 209 this->segment = this->segment - this->tag; | |
| 210 } | |
| 211 | |
| 212 dtrace:helper:ustack: | |
| 213 /!this->done && this->codecache && this->tag > 0/ | |
| 214 { | |
| 215 MARK_LINE; | |
| 216 this->tag = copyin_uchar(this->block + this->segment); | |
| 217 this->segment = this->segment - this->tag; | |
| 218 } | |
| 219 | |
| 220 dtrace:helper:ustack: | |
| 221 /!this->done && this->codecache && this->tag > 0/ | |
| 222 { | |
| 223 MARK_LINE; | |
| 224 this->tag = copyin_uchar(this->block + this->segment); | |
| 225 this->segment = this->segment - this->tag; | |
| 226 } | |
| 227 | |
| 228 dtrace:helper:ustack: | |
| 229 /!this->done && this->codecache && this->tag > 0/ | |
| 230 { | |
| 231 MARK_LINE; | |
| 232 this->tag = copyin_uchar(this->block + this->segment); | |
| 233 this->segment = this->segment - this->tag; | |
| 234 } | |
| 235 | |
| 236 dtrace:helper:ustack: | |
| 237 /!this->done && this->codecache && this->tag > 0/ | |
| 238 { | |
| 239 MARK_LINE; | |
| 240 this->tag = copyin_uchar(this->block + this->segment); | |
| 241 this->segment = this->segment - this->tag; | |
| 242 } | |
| 243 | |
| 244 dtrace:helper:ustack: | |
| 245 /!this->done && this->codecache && this->tag > 0/ | |
| 246 { | |
| 247 MARK_LINE; | |
| 248 this->error = "<couldn't find start>"; | |
| 249 this->done = 1; | |
| 250 } | |
| 251 | |
| 252 dtrace:helper:ustack: | |
| 253 /!this->done && this->codecache/ | |
| 254 { | |
| 255 MARK_LINE; | |
| 256 this->block = this->CodeCache_low + | |
| 257 (this->segment << this->CodeHeap_log2_segment_size); | |
| 258 this->used = copyin_uint32(this->block + OFFSET_HeapBlockHeader_used); | |
| 259 } | |
| 260 | |
| 261 dtrace:helper:ustack: | |
| 262 /!this->done && this->codecache && !this->used/ | |
| 263 { | |
| 264 MARK_LINE; | |
| 265 this->error = "<block not in use>"; | |
| 266 this->done = 1; | |
| 267 } | |
| 268 | |
| 269 dtrace:helper:ustack: | |
| 270 /!this->done && this->codecache/ | |
| 271 { | |
| 272 MARK_LINE; | |
| 273 this->start = this->block + SIZE_HeapBlockHeader; | |
| 274 this->vtbl = copyin_ptr(this->start); | |
| 275 | |
| 276 this->nmethod_vtbl = (pointer) &``__1cHnmethodG__vtbl_; | |
| 277 this->BufferBlob_vtbl = (pointer) &``__1cKBufferBlobG__vtbl_; | |
| 278 } | |
| 279 | |
| 280 dtrace:helper:ustack: | |
| 281 /!this->done && this->vtbl == this->nmethod_vtbl/ | |
| 282 { | |
| 283 MARK_LINE; | |
| 284 this->methodOopPtr = copyin_ptr(this->start + OFFSET_nmethod_method); | |
| 285 this->suffix = '*'; | |
| 286 this->methodOop = 1; | |
| 287 } | |
| 288 | |
| 289 dtrace:helper:ustack: | |
| 290 /!this->done && this->vtbl == this->BufferBlob_vtbl/ | |
| 291 { | |
| 292 MARK_LINE; | |
| 293 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
| 294 } | |
| 295 | |
| 296 dtrace:helper:ustack: | |
| 297 /!this->done && this->vtbl == this->BufferBlob_vtbl && | |
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298 this->Universe_heap_base == NULL && |
| 0 | 299 this->methodOopPtr > this->heap_start && this->methodOopPtr < this->heap_end/ |
| 300 { | |
| 301 MARK_LINE; | |
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302 this->klass = copyin_ptr(this->methodOopPtr + OFFSET_oopDesc_metadata); |
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303 this->methodOop = this->klass == this->Universe_methodKlassOop; |
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304 this->done = !this->methodOop; |
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305 } |
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306 |
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307 dtrace:helper:ustack: |
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308 /!this->done && this->vtbl == this->BufferBlob_vtbl && |
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309 this->Universe_heap_base != NULL && |
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310 this->methodOopPtr > this->heap_start && this->methodOopPtr < this->heap_end/ |
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311 { |
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312 MARK_LINE; |
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313 /* |
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314 * Read compressed pointer and decode heap oop, same as oop.inline.hpp |
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315 */ |
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316 this->cklass = copyin_uint32(this->methodOopPtr + OFFSET_oopDesc_metadata); |
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317 this->klass = (uint64_t)((uintptr_t)this->Universe_heap_base + |
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318 ((uintptr_t)this->cklass << 3)); |
| 0 | 319 this->methodOop = this->klass == this->Universe_methodKlassOop; |
| 320 this->done = !this->methodOop; | |
| 321 } | |
| 322 | |
| 323 dtrace:helper:ustack: | |
| 324 /!this->done && !this->methodOop/ | |
| 325 { | |
| 326 MARK_LINE; | |
| 327 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
| 328 this->result = this->name != 0 ? copyinstr(this->name) : "<CodeBlob>"; | |
| 329 this->done = 1; | |
| 330 } | |
| 331 | |
| 332 dtrace:helper:ustack: | |
| 333 /!this->done && this->methodOop/ | |
| 334 { | |
| 335 MARK_LINE; | |
| 336 this->constMethod = copyin_ptr(this->methodOopPtr + | |
| 337 OFFSET_methodOopDesc_constMethod); | |
| 338 | |
| 339 this->nameIndex = copyin_uint16(this->constMethod + | |
| 340 OFFSET_constMethodOopDesc_name_index); | |
| 341 | |
| 342 this->signatureIndex = copyin_uint16(this->constMethod + | |
| 343 OFFSET_constMethodOopDesc_signature_index); | |
| 344 | |
| 345 this->constantPool = copyin_ptr(this->methodOopPtr + | |
| 346 OFFSET_methodOopDesc_constants); | |
| 347 | |
| 348 this->nameSymbol = copyin_ptr(this->constantPool + | |
| 349 this->nameIndex * sizeof (pointer) + SIZE_constantPoolOopDesc); | |
| 350 | |
| 351 this->nameSymbolLength = copyin_uint16(this->nameSymbol + | |
| 352 OFFSET_symbolOopDesc_length); | |
| 353 | |
| 354 this->signatureSymbol = copyin_ptr(this->constantPool + | |
| 355 this->signatureIndex * sizeof (pointer) + SIZE_constantPoolOopDesc); | |
| 356 | |
| 357 this->signatureSymbolLength = copyin_uint16(this->signatureSymbol + | |
| 358 OFFSET_symbolOopDesc_length); | |
| 359 | |
| 360 this->klassPtr = copyin_ptr(this->constantPool + | |
| 361 OFFSET_constantPoolOopDesc_pool_holder); | |
| 362 | |
| 363 this->klassSymbol = copyin_ptr(this->klassPtr + | |
| 364 OFFSET_Klass_name + SIZE_oopDesc); | |
| 365 | |
| 366 this->klassSymbolLength = copyin_uint16(this->klassSymbol + | |
| 367 OFFSET_symbolOopDesc_length); | |
| 368 | |
| 369 /* | |
| 370 * Enough for three strings, plus the '.', plus the trailing '\0'. | |
| 371 */ | |
| 372 this->result = (char *) alloca(this->klassSymbolLength + | |
| 373 this->nameSymbolLength + | |
| 374 this->signatureSymbolLength + 2 + 1); | |
| 375 | |
| 376 copyinto(this->klassSymbol + OFFSET_symbolOopDesc_body, | |
| 377 this->klassSymbolLength, this->result); | |
| 378 | |
| 379 /* | |
| 380 * Add the '.' between the class and the name. | |
| 381 */ | |
| 382 this->result[this->klassSymbolLength] = '.'; | |
| 383 | |
| 384 copyinto(this->nameSymbol + OFFSET_symbolOopDesc_body, | |
| 385 this->nameSymbolLength, | |
| 386 this->result + this->klassSymbolLength + 1); | |
| 387 | |
| 388 copyinto(this->signatureSymbol + OFFSET_symbolOopDesc_body, | |
| 389 this->signatureSymbolLength, | |
| 390 this->result + this->klassSymbolLength + | |
| 391 this->nameSymbolLength + 1); | |
| 392 | |
| 393 /* | |
| 394 * Now we need to add a trailing '\0' and possibly a tag character. | |
| 395 */ | |
| 396 this->result[this->klassSymbolLength + 1 + | |
| 397 this->nameSymbolLength + | |
| 398 this->signatureSymbolLength] = this->suffix; | |
| 399 this->result[this->klassSymbolLength + 2 + | |
| 400 this->nameSymbolLength + | |
| 401 this->signatureSymbolLength] = '\0'; | |
| 402 | |
| 403 this->done = 1; | |
| 404 } | |
| 405 | |
| 406 dtrace:helper:ustack: | |
| 407 /this->done && this->error == (char *) NULL/ | |
| 408 { | |
| 409 this->result; | |
| 410 } | |
| 411 | |
| 412 dtrace:helper:ustack: | |
| 413 /this->done && this->error != (char *) NULL/ | |
| 414 { | |
| 415 this->error; | |
| 416 } | |
| 417 | |
| 418 dtrace:helper:ustack: | |
| 419 /!this->done && this->codecache/ | |
| 420 { | |
| 421 this->done = 1; | |
| 422 "error"; | |
| 423 } | |
| 424 | |
| 425 | |
| 426 dtrace:helper:ustack: | |
| 427 /!this->done/ | |
| 428 { | |
| 429 NULL; | |
| 430 } |