Mercurial > hg > truffle
annotate src/os/bsd/dtrace/jhelper.d @ 21097:391f94d4d23f
Move MatchProcessor and HotSpotVMConfigPorcessor to their own projects
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Thu, 23 Apr 2015 14:48:52 +0200 |
| parents | 8e47bac5643a |
| children |
| rev | line source |
|---|---|
| 4006 | 1 /* |
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| 4006 | 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * 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 __1cIUniverseO_collectedHeap_; | |
| 48 | |
| 49 extern pointer __1cHnmethodG__vtbl_; | |
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50 extern pointer __1cNMethodG__vtbl_; |
| 4006 | 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)) | |
| 58 #define copyin_uint8(ADDR) *(uint8_t*) copyin((pointer) (ADDR), sizeof(uint8_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; | |
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80 this->isMethod = 0; |
| 4006 | 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); |
| 4006 | 109 |
| 110 copyin_offset(OFFSET_HeapBlockHeader_used); | |
| 111 copyin_offset(OFFSET_oopDesc_metadata); | |
| 112 | |
| 113 copyin_offset(OFFSET_Symbol_length); | |
| 114 copyin_offset(OFFSET_Symbol_body); | |
| 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); |
| 4006 | 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); |
| 4006 | 134 |
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135 copyin_offset(OFFSET_NarrowPtrStruct_base); |
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136 copyin_offset(OFFSET_NarrowPtrStruct_shift); |
| 4006 | 137 |
| 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 |
| 4006 | 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); |
| 4006 | 149 #elif defined(__i386) || defined(__amd64) |
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150 this->methodPtr = copyin_ptr(arg1 + OFFSET_interpreter_frame_method); |
| 4006 | 151 #else |
| 152 #error "Don't know architecture" | |
| 153 #endif | |
| 154 | |
| 155 this->CodeCache_heap_address = copyin_ptr(&``__1cJCodeCacheF_heap_); | |
| 156 | |
| 157 /* Reading volatile values */ | |
| 158 this->CodeCache_low = copyin_ptr(this->CodeCache_heap_address + | |
| 159 OFFSET_CodeHeap_memory + OFFSET_VirtualSpace_low); | |
| 160 | |
| 161 this->CodeCache_high = copyin_ptr(this->CodeCache_heap_address + | |
| 162 OFFSET_CodeHeap_memory + OFFSET_VirtualSpace_high); | |
| 163 | |
| 164 this->CodeCache_segmap_low = copyin_ptr(this->CodeCache_heap_address + | |
| 165 OFFSET_CodeHeap_segmap + OFFSET_VirtualSpace_low); | |
| 166 | |
| 167 this->CodeCache_segmap_high = copyin_ptr(this->CodeCache_heap_address + | |
| 168 OFFSET_CodeHeap_segmap + OFFSET_VirtualSpace_high); | |
| 169 | |
| 170 this->CodeHeap_log2_segment_size = copyin_uint32( | |
| 171 this->CodeCache_heap_address + OFFSET_CodeHeap_log2_segment_size); | |
| 172 | |
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173 this->Method_vtbl = (pointer) &``__1cNMethodG__vtbl_; |
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174 |
| 4006 | 175 /* |
| 176 * Get Java heap bounds | |
| 177 */ | |
| 178 this->Universe_collectedHeap = copyin_ptr(&``__1cIUniverseO_collectedHeap_); | |
| 179 this->heap_start = copyin_ptr(this->Universe_collectedHeap + | |
| 180 OFFSET_CollectedHeap_reserved + | |
| 181 OFFSET_MemRegion_start); | |
| 182 this->heap_size = SIZE_HeapWord * | |
| 183 copyin_ptr(this->Universe_collectedHeap + | |
| 184 OFFSET_CollectedHeap_reserved + | |
| 185 OFFSET_MemRegion_word_size | |
| 186 ); | |
| 187 this->heap_end = this->heap_start + this->heap_size; | |
| 188 } | |
| 189 | |
| 190 dtrace:helper:ustack: | |
| 191 /!this->done && | |
| 192 this->CodeCache_low <= this->pc && this->pc < this->CodeCache_high/ | |
| 193 { | |
| 194 MARK_LINE; | |
| 195 this->codecache = 1; | |
| 196 | |
| 197 /* | |
| 198 * Find start. | |
| 199 */ | |
| 200 this->segment = (this->pc - this->CodeCache_low) >> | |
| 201 this->CodeHeap_log2_segment_size; | |
| 202 this->block = this->CodeCache_segmap_low; | |
| 203 this->tag = copyin_uchar(this->block + this->segment); | |
| 204 "second"; | |
| 205 } | |
| 206 | |
| 207 dtrace:helper:ustack: | |
| 208 /!this->done && this->codecache && this->tag > 0/ | |
| 209 { | |
| 210 MARK_LINE; | |
| 211 this->tag = copyin_uchar(this->block + this->segment); | |
| 212 this->segment = this->segment - this->tag; | |
| 213 } | |
| 214 | |
| 215 dtrace:helper:ustack: | |
| 216 /!this->done && this->codecache && this->tag > 0/ | |
| 217 { | |
| 218 MARK_LINE; | |
| 219 this->tag = copyin_uchar(this->block + this->segment); | |
| 220 this->segment = this->segment - this->tag; | |
| 221 } | |
| 222 | |
| 223 dtrace:helper:ustack: | |
| 224 /!this->done && this->codecache && this->tag > 0/ | |
| 225 { | |
| 226 MARK_LINE; | |
| 227 this->tag = copyin_uchar(this->block + this->segment); | |
| 228 this->segment = this->segment - this->tag; | |
| 229 } | |
| 230 | |
| 231 dtrace:helper:ustack: | |
| 232 /!this->done && this->codecache && this->tag > 0/ | |
| 233 { | |
| 234 MARK_LINE; | |
| 235 this->tag = copyin_uchar(this->block + this->segment); | |
| 236 this->segment = this->segment - this->tag; | |
| 237 } | |
| 238 | |
| 239 dtrace:helper:ustack: | |
| 240 /!this->done && this->codecache && this->tag > 0/ | |
| 241 { | |
| 242 MARK_LINE; | |
| 243 this->tag = copyin_uchar(this->block + this->segment); | |
| 244 this->segment = this->segment - this->tag; | |
| 245 } | |
| 246 | |
| 247 dtrace:helper:ustack: | |
| 248 /!this->done && this->codecache && this->tag > 0/ | |
| 249 { | |
| 250 MARK_LINE; | |
| 251 this->error = "<couldn't find start>"; | |
| 252 this->done = 1; | |
| 253 } | |
| 254 | |
| 255 dtrace:helper:ustack: | |
| 256 /!this->done && this->codecache/ | |
| 257 { | |
| 258 MARK_LINE; | |
| 259 this->block = this->CodeCache_low + | |
| 260 (this->segment << this->CodeHeap_log2_segment_size); | |
| 261 this->used = copyin_uint32(this->block + OFFSET_HeapBlockHeader_used); | |
| 262 } | |
| 263 | |
| 264 dtrace:helper:ustack: | |
| 265 /!this->done && this->codecache && !this->used/ | |
| 266 { | |
| 267 MARK_LINE; | |
| 268 this->error = "<block not in use>"; | |
| 269 this->done = 1; | |
| 270 } | |
| 271 | |
| 272 dtrace:helper:ustack: | |
| 273 /!this->done && this->codecache/ | |
| 274 { | |
| 275 MARK_LINE; | |
| 276 this->start = this->block + SIZE_HeapBlockHeader; | |
| 277 this->vtbl = copyin_ptr(this->start); | |
| 278 | |
| 279 this->nmethod_vtbl = (pointer) &``__1cHnmethodG__vtbl_; | |
| 280 this->BufferBlob_vtbl = (pointer) &``__1cKBufferBlobG__vtbl_; | |
| 281 } | |
| 282 | |
| 283 dtrace:helper:ustack: | |
| 284 /!this->done && this->vtbl == this->nmethod_vtbl/ | |
| 285 { | |
| 286 MARK_LINE; | |
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287 this->methodPtr = copyin_ptr(this->start + OFFSET_nmethod_method); |
| 4006 | 288 this->suffix = '*'; |
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289 this->isMethod = 1; |
| 4006 | 290 } |
| 291 | |
| 292 dtrace:helper:ustack: | |
| 293 /!this->done && this->vtbl == this->BufferBlob_vtbl/ | |
| 294 { | |
| 295 MARK_LINE; | |
| 296 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
| 297 } | |
| 298 | |
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299 |
| 4006 | 300 dtrace:helper:ustack: |
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301 /!this->done && this->vtbl == this->BufferBlob_vtbl && this->methodPtr != 0/ |
| 4006 | 302 { |
| 303 MARK_LINE; | |
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304 this->klass = copyin_ptr(this->methodPtr); |
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305 this->isMethod = this->klass == this->Method_vtbl; |
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306 this->done = !this->isMethod; |
| 4006 | 307 } |
| 308 | |
| 309 dtrace:helper:ustack: | |
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310 /!this->done && !this->isMethod/ |
| 4006 | 311 { |
| 312 MARK_LINE; | |
| 313 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
| 314 this->result = this->name != 0 ? copyinstr(this->name) : "<CodeBlob>"; | |
| 315 this->done = 1; | |
| 316 } | |
| 317 | |
| 318 dtrace:helper:ustack: | |
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319 /!this->done && this->isMethod/ |
| 4006 | 320 { |
| 321 MARK_LINE; | |
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322 this->constMethod = copyin_ptr(this->methodPtr + |
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323 OFFSET_Method_constMethod); |
| 4006 | 324 |
| 325 this->nameIndex = copyin_uint16(this->constMethod + | |
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326 OFFSET_ConstMethod_name_index); |
| 4006 | 327 |
| 328 this->signatureIndex = copyin_uint16(this->constMethod + | |
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329 OFFSET_ConstMethod_signature_index); |
| 4006 | 330 |
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331 this->constantPool = copyin_ptr(this->constMethod + |
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332 OFFSET_ConstMethod_constants); |
| 4006 | 333 |
| 334 this->nameSymbol = copyin_ptr(this->constantPool + | |
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335 this->nameIndex * sizeof (pointer) + SIZE_ConstantPool); |
| 4006 | 336 |
| 337 this->nameSymbolLength = copyin_uint16(this->nameSymbol + | |
| 338 OFFSET_Symbol_length); | |
| 339 | |
| 340 this->signatureSymbol = copyin_ptr(this->constantPool + | |
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341 this->signatureIndex * sizeof (pointer) + SIZE_ConstantPool); |
| 4006 | 342 |
| 343 this->signatureSymbolLength = copyin_uint16(this->signatureSymbol + | |
| 344 OFFSET_Symbol_length); | |
| 345 | |
| 346 this->klassPtr = copyin_ptr(this->constantPool + | |
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347 OFFSET_ConstantPool_pool_holder); |
| 4006 | 348 |
| 349 this->klassSymbol = copyin_ptr(this->klassPtr + | |
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350 OFFSET_Klass_name); |
| 4006 | 351 |
| 352 this->klassSymbolLength = copyin_uint16(this->klassSymbol + | |
| 353 OFFSET_Symbol_length); | |
| 354 | |
| 355 /* | |
| 356 * Enough for three strings, plus the '.', plus the trailing '\0'. | |
| 357 */ | |
| 358 this->result = (char *) alloca(this->klassSymbolLength + | |
| 359 this->nameSymbolLength + | |
| 360 this->signatureSymbolLength + 2 + 1); | |
| 361 | |
| 362 copyinto(this->klassSymbol + OFFSET_Symbol_body, | |
| 363 this->klassSymbolLength, this->result); | |
| 364 | |
| 365 /* | |
| 366 * Add the '.' between the class and the name. | |
| 367 */ | |
| 368 this->result[this->klassSymbolLength] = '.'; | |
| 369 | |
| 370 copyinto(this->nameSymbol + OFFSET_Symbol_body, | |
| 371 this->nameSymbolLength, | |
| 372 this->result + this->klassSymbolLength + 1); | |
| 373 | |
| 374 copyinto(this->signatureSymbol + OFFSET_Symbol_body, | |
| 375 this->signatureSymbolLength, | |
| 376 this->result + this->klassSymbolLength + | |
| 377 this->nameSymbolLength + 1); | |
| 378 | |
| 379 /* | |
| 380 * Now we need to add a trailing '\0' and possibly a tag character. | |
| 381 */ | |
| 382 this->result[this->klassSymbolLength + 1 + | |
| 383 this->nameSymbolLength + | |
| 384 this->signatureSymbolLength] = this->suffix; | |
| 385 this->result[this->klassSymbolLength + 2 + | |
| 386 this->nameSymbolLength + | |
| 387 this->signatureSymbolLength] = '\0'; | |
| 388 | |
| 389 this->done = 1; | |
| 390 } | |
| 391 | |
| 392 dtrace:helper:ustack: | |
| 393 /this->done && this->error == (char *) NULL/ | |
| 394 { | |
| 395 this->result; | |
| 396 } | |
| 397 | |
| 398 dtrace:helper:ustack: | |
| 399 /this->done && this->error != (char *) NULL/ | |
| 400 { | |
| 401 this->error; | |
| 402 } | |
| 403 | |
| 404 dtrace:helper:ustack: | |
| 405 /!this->done && this->codecache/ | |
| 406 { | |
| 407 this->done = 1; | |
| 408 "error"; | |
| 409 } | |
| 410 | |
| 411 | |
| 412 dtrace:helper:ustack: | |
| 413 /!this->done/ | |
| 414 { | |
| 415 NULL; | |
| 416 } |