Mercurial > hg > truffle
annotate src/os/solaris/dtrace/jhelper.d @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | 2fe087c3e814 |
| children | 8e47bac5643a |
| 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_; | |
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48 extern pointer __1cIUniverseL_narrow_oop_; |
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49 #ifdef _LP64 |
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50 extern pointer UseCompressedOops; |
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51 #endif |
| 0 | 52 |
| 53 extern pointer __1cHnmethodG__vtbl_; | |
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54 extern pointer __1cGMethodG__vtbl_; |
| 0 | 55 extern pointer __1cKBufferBlobG__vtbl_; |
| 56 | |
| 57 #define copyin_ptr(ADDR) *(pointer*) copyin((pointer) (ADDR), sizeof(pointer)) | |
| 58 #define copyin_uchar(ADDR) *(uchar_t*) copyin((pointer) (ADDR), sizeof(uchar_t)) | |
| 59 #define copyin_uint16(ADDR) *(uint16_t*) copyin((pointer) (ADDR), sizeof(uint16_t)) | |
| 60 #define copyin_uint32(ADDR) *(uint32_t*) copyin((pointer) (ADDR), sizeof(uint32_t)) | |
| 61 #define copyin_int32(ADDR) *(int32_t*) copyin((pointer) (ADDR), sizeof(int32_t)) | |
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62 #define copyin_uint8(ADDR) *(uint8_t*) copyin((pointer) (ADDR), sizeof(uint8_t)) |
| 0 | 63 |
| 64 #define SAME(x) x | |
| 65 #define copyin_offset(JVM_CONST) JVM_CONST = \ | |
| 66 copyin_int32(JvmOffsetsPtr + SAME(IDX_)JVM_CONST * sizeof(int32_t)) | |
| 67 | |
| 68 int init_done; | |
| 69 | |
| 70 dtrace:helper:ustack: | |
| 71 { | |
| 72 MARK_LINE; | |
| 73 this->done = 0; | |
| 74 /* | |
| 75 * TBD: | |
| 76 * Here we initialize init_done, otherwise jhelper does not work. | |
| 77 * Therefore, copyin_offset() statements work multiple times now. | |
| 78 * There is a hope we could avoid it in the future, and so, | |
| 79 * this initialization can be removed. | |
| 80 */ | |
| 81 init_done = 0; | |
| 82 this->error = (char *) NULL; | |
| 83 this->result = (char *) NULL; | |
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84 this->isMethod = 0; |
| 0 | 85 this->codecache = 0; |
| 86 this->klass = (pointer) NULL; | |
| 87 this->vtbl = (pointer) NULL; | |
| 88 this->suffix = '\0'; | |
| 89 } | |
| 90 | |
| 91 dtrace:helper:ustack: | |
| 92 { | |
| 93 MARK_LINE; | |
| 94 /* Initialization of JvmOffsets constants */ | |
| 95 JvmOffsetsPtr = (pointer) &``__JvmOffsets; | |
| 96 } | |
| 97 | |
| 98 dtrace:helper:ustack: | |
| 99 /!init_done && !this->done/ | |
| 100 { | |
| 101 MARK_LINE; | |
| 102 init_done = 1; | |
| 103 | |
| 104 copyin_offset(COMPILER); | |
| 105 copyin_offset(OFFSET_CollectedHeap_reserved); | |
| 106 copyin_offset(OFFSET_MemRegion_start); | |
| 107 copyin_offset(OFFSET_MemRegion_word_size); | |
| 108 copyin_offset(SIZE_HeapWord); | |
| 109 | |
| 110 copyin_offset(OFFSET_interpreter_frame_method); | |
| 111 copyin_offset(OFFSET_Klass_name); | |
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112 copyin_offset(OFFSET_ConstantPool_pool_holder); |
| 0 | 113 |
| 114 copyin_offset(OFFSET_HeapBlockHeader_used); | |
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115 copyin_offset(OFFSET_oopDesc_metadata); |
| 0 | 116 |
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117 copyin_offset(OFFSET_Symbol_length); |
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118 copyin_offset(OFFSET_Symbol_body); |
| 0 | 119 |
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120 copyin_offset(OFFSET_Method_constMethod); |
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121 copyin_offset(OFFSET_ConstMethod_constants); |
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122 copyin_offset(OFFSET_ConstMethod_name_index); |
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123 copyin_offset(OFFSET_ConstMethod_signature_index); |
| 0 | 124 |
| 125 copyin_offset(OFFSET_CodeHeap_memory); | |
| 126 copyin_offset(OFFSET_CodeHeap_segmap); | |
| 127 copyin_offset(OFFSET_CodeHeap_log2_segment_size); | |
| 128 | |
| 129 copyin_offset(OFFSET_VirtualSpace_low); | |
| 130 copyin_offset(OFFSET_VirtualSpace_high); | |
| 131 | |
| 132 copyin_offset(OFFSET_CodeBlob_name); | |
| 133 | |
| 134 copyin_offset(OFFSET_nmethod_method); | |
| 135 copyin_offset(SIZE_HeapBlockHeader); | |
| 136 copyin_offset(SIZE_oopDesc); | |
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137 copyin_offset(SIZE_ConstantPool); |
| 0 | 138 |
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139 copyin_offset(OFFSET_NarrowOopStruct_base); |
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140 copyin_offset(OFFSET_NarrowOopStruct_shift); |
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141 |
| 0 | 142 /* |
| 143 * The PC to translate is in arg0. | |
| 144 */ | |
| 145 this->pc = arg0; | |
| 146 | |
| 147 /* | |
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148 * The methodPtr is in %l2 on SPARC. This can be found at |
| 0 | 149 * offset 8 from the frame pointer on 32-bit processes. |
| 150 */ | |
| 151 #if defined(__sparc) | |
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152 this->methodPtr = copyin_ptr(arg1 + 2 * sizeof(pointer) + STACK_BIAS); |
| 0 | 153 #elif defined(__i386) || defined(__amd64) |
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154 this->methodPtr = copyin_ptr(arg1 + OFFSET_interpreter_frame_method); |
| 0 | 155 #else |
| 156 #error "Don't know architecture" | |
| 157 #endif | |
| 158 | |
| 159 this->CodeCache_heap_address = copyin_ptr(&``__1cJCodeCacheF_heap_); | |
| 160 | |
| 161 /* Reading volatile values */ | |
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162 #ifdef _LP64 |
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163 this->Use_Compressed_Oops = copyin_uint8(&``UseCompressedOops); |
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164 #else |
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165 this->Use_Compressed_Oops = 0; |
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166 #endif |
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167 |
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168 this->Universe_narrow_oop_base = copyin_ptr(&``__1cIUniverseL_narrow_oop_ + |
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169 OFFSET_NarrowOopStruct_base); |
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170 this->Universe_narrow_oop_shift = copyin_int32(&``__1cIUniverseL_narrow_oop_ + |
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171 OFFSET_NarrowOopStruct_shift); |
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172 |
| 0 | 173 this->CodeCache_low = copyin_ptr(this->CodeCache_heap_address + |
| 174 OFFSET_CodeHeap_memory + OFFSET_VirtualSpace_low); | |
| 175 | |
| 176 this->CodeCache_high = copyin_ptr(this->CodeCache_heap_address + | |
| 177 OFFSET_CodeHeap_memory + OFFSET_VirtualSpace_high); | |
| 178 | |
| 179 this->CodeCache_segmap_low = copyin_ptr(this->CodeCache_heap_address + | |
| 180 OFFSET_CodeHeap_segmap + OFFSET_VirtualSpace_low); | |
| 181 | |
| 182 this->CodeCache_segmap_high = copyin_ptr(this->CodeCache_heap_address + | |
| 183 OFFSET_CodeHeap_segmap + OFFSET_VirtualSpace_high); | |
| 184 | |
| 185 this->CodeHeap_log2_segment_size = copyin_uint32( | |
| 186 this->CodeCache_heap_address + OFFSET_CodeHeap_log2_segment_size); | |
| 187 | |
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188 this->Method_vtbl = (pointer) &``__1cGMethodG__vtbl_; |
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189 |
| 0 | 190 /* |
| 191 * Get Java heap bounds | |
| 192 */ | |
| 193 this->Universe_collectedHeap = copyin_ptr(&``__1cIUniverseO_collectedHeap_); | |
| 194 this->heap_start = copyin_ptr(this->Universe_collectedHeap + | |
| 195 OFFSET_CollectedHeap_reserved + | |
| 196 OFFSET_MemRegion_start); | |
| 197 this->heap_size = SIZE_HeapWord * | |
| 198 copyin_ptr(this->Universe_collectedHeap + | |
| 199 OFFSET_CollectedHeap_reserved + | |
| 200 OFFSET_MemRegion_word_size | |
| 201 ); | |
| 202 this->heap_end = this->heap_start + this->heap_size; | |
| 203 } | |
| 204 | |
| 205 dtrace:helper:ustack: | |
| 206 /!this->done && | |
| 207 this->CodeCache_low <= this->pc && this->pc < this->CodeCache_high/ | |
| 208 { | |
| 209 MARK_LINE; | |
| 210 this->codecache = 1; | |
| 211 | |
| 212 /* | |
| 213 * Find start. | |
| 214 */ | |
| 215 this->segment = (this->pc - this->CodeCache_low) >> | |
| 216 this->CodeHeap_log2_segment_size; | |
| 217 this->block = this->CodeCache_segmap_low; | |
| 218 this->tag = copyin_uchar(this->block + this->segment); | |
| 219 "second"; | |
| 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->tag = copyin_uchar(this->block + this->segment); | |
| 251 this->segment = this->segment - this->tag; | |
| 252 } | |
| 253 | |
| 254 dtrace:helper:ustack: | |
| 255 /!this->done && this->codecache && this->tag > 0/ | |
| 256 { | |
| 257 MARK_LINE; | |
| 258 this->tag = copyin_uchar(this->block + this->segment); | |
| 259 this->segment = this->segment - this->tag; | |
| 260 } | |
| 261 | |
| 262 dtrace:helper:ustack: | |
| 263 /!this->done && this->codecache && this->tag > 0/ | |
| 264 { | |
| 265 MARK_LINE; | |
| 266 this->error = "<couldn't find start>"; | |
| 267 this->done = 1; | |
| 268 } | |
| 269 | |
| 270 dtrace:helper:ustack: | |
| 271 /!this->done && this->codecache/ | |
| 272 { | |
| 273 MARK_LINE; | |
| 274 this->block = this->CodeCache_low + | |
| 275 (this->segment << this->CodeHeap_log2_segment_size); | |
| 276 this->used = copyin_uint32(this->block + OFFSET_HeapBlockHeader_used); | |
| 277 } | |
| 278 | |
| 279 dtrace:helper:ustack: | |
| 280 /!this->done && this->codecache && !this->used/ | |
| 281 { | |
| 282 MARK_LINE; | |
| 283 this->error = "<block not in use>"; | |
| 284 this->done = 1; | |
| 285 } | |
| 286 | |
| 287 dtrace:helper:ustack: | |
| 288 /!this->done && this->codecache/ | |
| 289 { | |
| 290 MARK_LINE; | |
| 291 this->start = this->block + SIZE_HeapBlockHeader; | |
| 292 this->vtbl = copyin_ptr(this->start); | |
| 293 | |
| 294 this->nmethod_vtbl = (pointer) &``__1cHnmethodG__vtbl_; | |
| 295 this->BufferBlob_vtbl = (pointer) &``__1cKBufferBlobG__vtbl_; | |
| 296 } | |
| 297 | |
| 298 dtrace:helper:ustack: | |
| 299 /!this->done && this->vtbl == this->nmethod_vtbl/ | |
| 300 { | |
| 301 MARK_LINE; | |
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302 this->methodPtr = copyin_ptr(this->start + OFFSET_nmethod_method); |
| 0 | 303 this->suffix = '*'; |
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304 this->isMethod = 1; |
| 0 | 305 } |
| 306 | |
| 307 dtrace:helper:ustack: | |
| 308 /!this->done && this->vtbl == this->BufferBlob_vtbl/ | |
| 309 { | |
| 310 MARK_LINE; | |
| 311 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
| 312 } | |
| 313 | |
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314 |
| 0 | 315 dtrace:helper:ustack: |
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316 /!this->done && this->vtbl == this->BufferBlob_vtbl && this->methodPtr != 0/ |
| 0 | 317 { |
| 318 MARK_LINE; | |
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319 this->klass = copyin_ptr(this->methodPtr); |
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320 this->isMethod = this->klass == this->Method_vtbl; |
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321 this->done = !this->isMethod; |
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322 } |
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323 |
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324 dtrace:helper:ustack: |
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325 /!this->done && !this->isMethod/ |
| 0 | 326 { |
| 327 MARK_LINE; | |
| 328 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
| 329 this->result = this->name != 0 ? copyinstr(this->name) : "<CodeBlob>"; | |
| 330 this->done = 1; | |
| 331 } | |
| 332 | |
| 333 dtrace:helper:ustack: | |
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334 /!this->done && this->isMethod/ |
| 0 | 335 { |
| 336 MARK_LINE; | |
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337 this->constMethod = copyin_ptr(this->methodPtr + |
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338 OFFSET_Method_constMethod); |
| 0 | 339 |
| 340 this->nameIndex = copyin_uint16(this->constMethod + | |
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341 OFFSET_ConstMethod_name_index); |
| 0 | 342 |
| 343 this->signatureIndex = copyin_uint16(this->constMethod + | |
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344 OFFSET_ConstMethod_signature_index); |
| 0 | 345 |
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346 this->constantPool = copyin_ptr(this->constMethod + |
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347 OFFSET_ConstMethod_constants); |
| 0 | 348 |
| 349 this->nameSymbol = copyin_ptr(this->constantPool + | |
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350 this->nameIndex * sizeof (pointer) + SIZE_ConstantPool); |
| 0 | 351 |
| 352 this->nameSymbolLength = copyin_uint16(this->nameSymbol + | |
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353 OFFSET_Symbol_length); |
| 0 | 354 |
| 355 this->signatureSymbol = copyin_ptr(this->constantPool + | |
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356 this->signatureIndex * sizeof (pointer) + SIZE_ConstantPool); |
| 0 | 357 |
| 358 this->signatureSymbolLength = copyin_uint16(this->signatureSymbol + | |
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359 OFFSET_Symbol_length); |
| 0 | 360 |
| 361 this->klassPtr = copyin_ptr(this->constantPool + | |
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362 OFFSET_ConstantPool_pool_holder); |
| 0 | 363 |
| 364 this->klassSymbol = copyin_ptr(this->klassPtr + | |
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365 OFFSET_Klass_name); |
| 0 | 366 |
| 367 this->klassSymbolLength = copyin_uint16(this->klassSymbol + | |
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368 OFFSET_Symbol_length); |
| 0 | 369 |
| 370 /* | |
| 371 * Enough for three strings, plus the '.', plus the trailing '\0'. | |
| 372 */ | |
| 373 this->result = (char *) alloca(this->klassSymbolLength + | |
| 374 this->nameSymbolLength + | |
| 375 this->signatureSymbolLength + 2 + 1); | |
| 376 | |
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377 copyinto(this->klassSymbol + OFFSET_Symbol_body, |
| 0 | 378 this->klassSymbolLength, this->result); |
| 379 | |
| 380 /* | |
| 381 * Add the '.' between the class and the name. | |
| 382 */ | |
| 383 this->result[this->klassSymbolLength] = '.'; | |
| 384 | |
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385 copyinto(this->nameSymbol + OFFSET_Symbol_body, |
| 0 | 386 this->nameSymbolLength, |
| 387 this->result + this->klassSymbolLength + 1); | |
| 388 | |
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389 copyinto(this->signatureSymbol + OFFSET_Symbol_body, |
| 0 | 390 this->signatureSymbolLength, |
| 391 this->result + this->klassSymbolLength + | |
| 392 this->nameSymbolLength + 1); | |
| 393 | |
| 394 /* | |
| 395 * Now we need to add a trailing '\0' and possibly a tag character. | |
| 396 */ | |
| 397 this->result[this->klassSymbolLength + 1 + | |
| 398 this->nameSymbolLength + | |
| 399 this->signatureSymbolLength] = this->suffix; | |
| 400 this->result[this->klassSymbolLength + 2 + | |
| 401 this->nameSymbolLength + | |
| 402 this->signatureSymbolLength] = '\0'; | |
| 403 | |
| 404 this->done = 1; | |
| 405 } | |
| 406 | |
| 407 dtrace:helper:ustack: | |
| 408 /this->done && this->error == (char *) NULL/ | |
| 409 { | |
| 410 this->result; | |
| 411 } | |
| 412 | |
| 413 dtrace:helper:ustack: | |
| 414 /this->done && this->error != (char *) NULL/ | |
| 415 { | |
| 416 this->error; | |
| 417 } | |
| 418 | |
| 419 dtrace:helper:ustack: | |
| 420 /!this->done && this->codecache/ | |
| 421 { | |
| 422 this->done = 1; | |
| 423 "error"; | |
| 424 } | |
| 425 | |
| 426 | |
| 427 dtrace:helper:ustack: | |
| 428 /!this->done/ | |
| 429 { | |
| 430 NULL; | |
| 431 } |