1 /*
   2  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. 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 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 package com.oracle.graal.hotspot;
  24 
  25 /**
  26  * Used to communicate configuration details, runtime offsets, etc. to Graal upon compileMethod.
  27  */
  28 public final class HotSpotVMConfig extends CompilerObject {
  29 
  30     private static final long serialVersionUID = -4744897993263044184L;
  31 
  32     HotSpotVMConfig() {
  33     }
  34 
  35     // os information, register layout, code generation, ...
  36     public boolean windowsOs;
  37     public int codeEntryAlignment;
  38     public boolean verifyOops;
  39     public boolean ciTime;
  40     public boolean printCompilation;
  41     public boolean printInlining;
  42     public boolean useFastLocking;
  43     public boolean useTLAB;
  44     public boolean useBiasedLocking;
  45     public boolean usePopCountInstruction;
  46     public boolean useAESIntrinsics;
  47     public boolean useG1GC;
  48 
  49     // offsets, ...
  50     public int stackShadowPages;
  51 
  52     /**
  53      * The offset of the mark word in an object's header.
  54      */
  55     public int markOffset;
  56 
  57     /**
  58      * The offset of the hub (i.e. Klass*) in an object's header.
  59      */
  60     public int hubOffset;
  61 
  62     /**
  63      * The offset of the _prototype_header field in a Klass.
  64      */
  65     public int prototypeMarkWordOffset;
  66 
  67     /**
  68      * The offset of the _subklass field in a Klass.
  69      */
  70     public int subklassOffset;
  71 
  72     /**
  73      * The offset of the _next_sibling field in a Klass.
  74      */
  75     public int nextSiblingOffset;
  76 
  77     /**
  78      * The offset of the array length word in an array object's header.
  79      */
  80     public int arrayLengthOffset;
  81 
  82     /**
  83      * The offset of the _length field in an Array metaspace object (see array.hpp).
  84      */
  85     public int metaspaceArrayLengthOffset;
  86 
  87     /**
  88      * The offset of the _data field in an Array metaspace object (see array.hpp).
  89      */
  90     public int metaspaceArrayBaseOffset;
  91 
  92     /**
  93      * The offset of the _super_check_offset field in a Klass.
  94      */
  95     public int superCheckOffsetOffset;
  96 
  97     /**
  98      * The offset of the _secondary_super_cache field in a Klass.
  99      */
 100     public int secondarySuperCacheOffset;
 101 
 102     /**
 103      * The offset of the _secondary_supers field in a Klass.
 104      */
 105     public int secondarySupersOffset;
 106 
 107     /**
 108      * The offset of the _init_state field in an instanceKlass.
 109      */
 110     public int klassStateOffset;
 111 
 112     /**
 113      * The value of instanceKlass::fully_initialized.
 114      */
 115     public int klassStateFullyInitialized;
 116 
 117     /**
 118      * The value of objArrayKlass::element_klass_offset().
 119      */
 120     public int arrayClassElementOffset;
 121 
 122     /**
 123      * The value of JavaThread::tlab_top_offset().
 124      */
 125     public int threadTlabTopOffset;
 126 
 127     /**
 128      * The value of JavaThread::tlab_end_offset().
 129      */
 130     public int threadTlabEndOffset;
 131 
 132     public int threadObjectOffset;
 133 
 134     /**
 135      * The value of JavaThread::osthread_offset().
 136      */
 137     public int osThreadOffset;
 138 
 139     /**
 140      * The value of OSThread::interrupted_offset().
 141      */
 142     public int osThreadInterruptedOffset;
 143 
 144     /**
 145      * The value of markOopDesc::unlocked_value.
 146      */
 147     public int unlockedMask;
 148 
 149     /**
 150      * The value of markOopDesc::biased_lock_mask_in_place.
 151      */
 152     public int biasedLockMaskInPlace;
 153 
 154     /**
 155      * The value of markOopDesc::age_mask_in_place.
 156      */
 157     public int ageMaskInPlace;
 158 
 159     /**
 160      * The value of markOopDesc::epoch_mask_in_place.
 161      */
 162     public int epochMaskInPlace;
 163 
 164     /**
 165      * The value of markOopDesc::biased_lock_pattern.
 166      */
 167     public int biasedLockPattern;
 168 
 169     /**
 170      * Identity hash code value when uninitialized.
 171      */
 172     public int uninitializedIdentityHashCodeValue;
 173 
 174     /**
 175      * Offset of the pending deoptimization field.
 176      */
 177     public int pendingDeoptimizationOffset;
 178 
 179     /**
 180      * Mark word right shift to get identity hash code.
 181      */
 182     public int identityHashCodeShift;
 183 
 184     /**
 185      * Offset of _access_flags in a metaspace Method object.
 186      */
 187     public int methodAccessFlagsOffset;
 188 
 189     /**
 190      * Offset of _max_locals in a metaspace Method object.
 191      */
 192     public int methodMaxLocalsOffset;
 193 
 194     /**
 195      * Offset of _constMethod in a metaspace Method object.
 196      */
 197     public int methodConstMethodOffset;
 198 
 199     /**
 200      * Offset of _max_stack in a metaspace ConstMethod object.
 201      */
 202     public int constMethodMaxStackOffset;
 203 
 204     /**
 205      * Value of extra_stack_entries() in method.hpp.
 206      */
 207     public int extraStackEntries;
 208 
 209     /**
 210      * Value of JVM_ACC_HAS_FINALIZER in accessFlags.hpp.
 211      */
 212     public int klassHasFinalizerFlag;
 213 
 214     public int threadExceptionOopOffset;
 215     public int threadExceptionPcOffset;
 216     public long cardtableStartAddress;
 217     public int cardtableShift;
 218     public long safepointPollingAddress;
 219     public boolean isPollingPageFar;
 220 
 221     /**
 222      * G1 Collector Related Values.
 223      */
 224     public int g1CardQueueIndexOffset;
 225     public int g1CardQueueBufferOffset;
 226     public int logOfHRGrainBytes;
 227     public int g1SATBQueueMarkingOffset;
 228     public int g1SATBQueueIndexOffset;
 229     public int g1SATBQueueBufferOffset;
 230 
 231     /**
 232      * The offset of the _java_mirror field (of type {@link Class}) in a Klass.
 233      */
 234     public int classMirrorOffset;
 235 
 236     public int runtimeCallStackSize;
 237 
 238     /**
 239      * The offset of the _modifier_flags field in a Klass.
 240      */
 241     public int klassModifierFlagsOffset;
 242 
 243     /**
 244      * The offset of the _access_flags field in a Klass.
 245      */
 246     public int klassAccessFlagsOffset;
 247 
 248     /**
 249      * The offset of the _layout_helper field in a Klass.
 250      */
 251     public int klassLayoutHelperOffset;
 252 
 253     /**
 254      * Bit pattern in the klass layout helper that can be used to identify arrays.
 255      */
 256     public int arrayKlassLayoutHelperIdentifier;
 257 
 258     /**
 259      * The offset of the _componentMirror field in an ArrayKlass.
 260      */
 261     public int arrayKlassComponentMirrorOffset;
 262 
 263     /**
 264      * The offset of the _super field in a Klass.
 265      */
 266     public int klassSuperKlassOffset;
 267 
 268     /**
 269      * The offset of the injected klass field in a {@link Class}.
 270      */
 271     public int klassOffset;
 272 
 273     /**
 274      * The offset of the injected graal_mirror field in a {@link Class}.
 275      */
 276     public int graalMirrorInClassOffset;
 277 
 278     /**
 279      * The offset of the _method_data field in a metaspace Method.
 280      */
 281     public int methodDataOffset;
 282 
 283     public int nmethodEntryOffset;
 284     public int methodCompiledEntryOffset;
 285     public int basicLockSize;
 286     public int basicLockDisplacedHeaderOffset;
 287     public long tlabIntArrayMarkWord;
 288     public long heapEndAddress;
 289     public long heapTopAddress;
 290     public int threadTlabStartOffset;
 291     public int threadTlabSizeOffset;
 292     public int threadAllocatedBytesOffset;
 293     public int tlabRefillWasteLimitOffset;
 294     public int tlabRefillWasteIncrement;
 295     public int tlabAlignmentReserve;
 296     public int tlabSlowAllocationsOffset;
 297     public int tlabFastRefillWasteOffset;
 298     public int tlabNumberOfRefillsOffset;
 299     public boolean tlabStats;
 300     public int klassInstanceSizeOffset;
 301     public boolean inlineContiguousAllocationSupported;
 302     public long arrayPrototypeMarkWord;
 303     public int layoutHelperLog2ElementSizeShift;
 304     public int layoutHelperLog2ElementSizeMask;
 305     public int layoutHelperElementTypeShift;
 306     public int layoutHelperElementTypeMask;
 307     public int layoutHelperElementTypePrimitiveInPlace;
 308     public int layoutHelperHeaderSizeShift;
 309     public int layoutHelperHeaderSizeMask;
 310     public int layoutHelperOffset;
 311 
 312     // methodData information
 313     public int methodDataOopDataOffset;
 314     public int methodDataOopTrapHistoryOffset;
 315     public int dataLayoutHeaderSize;
 316     public int dataLayoutTagOffset;
 317     public int dataLayoutFlagsOffset;
 318     public int dataLayoutBCIOffset;
 319     public int dataLayoutCellsOffset;
 320     public int dataLayoutCellSize;
 321     public int bciProfileWidth;
 322     public int typeProfileWidth;
 323 
 324     // runtime stubs
 325     public long newInstanceStub;
 326     public long newArrayStub;
 327     public long newMultiArrayStub;
 328     public long inlineCacheMissStub;
 329     public long handleExceptionStub;
 330     public long handleDeoptStub;
 331     public long monitorEnterStub;
 332     public long monitorExitStub;
 333     public long wbPreCallStub;
 334     public long wbPostCallStub;
 335 
 336     public long verifyOopStub;
 337     public long vmErrorStub;
 338     public long deoptimizeStub;
 339     public long unwindExceptionStub;
 340     public long osrMigrationEndStub;
 341     public long registerFinalizerStub;
 342     public long createNullPointerExceptionStub;
 343     public long createOutOfBoundsExceptionStub;
 344     public long javaTimeMillisStub;
 345     public long javaTimeNanosStub;
 346     public long arithmeticFremStub;
 347     public long arithmeticDremStub;
 348     public long arithmeticSinStub;
 349     public long arithmeticCosStub;
 350     public long arithmeticTanStub;
 351     public long logPrimitiveStub;
 352     public long logObjectStub;
 353     public long logPrintfStub;
 354     public int deoptReasonNone;
 355     public long threadIsInterruptedStub;
 356     public long identityHashCodeStub;
 357     public long aescryptEncryptBlockStub;
 358     public long aescryptDecryptBlockStub;
 359     public long cipherBlockChainingEncryptAESCryptStub;
 360     public long cipherBlockChainingDecryptAESCryptStub;
 361 
 362     public int deoptReasonNullCheck;
 363     public int deoptReasonRangeCheck;
 364     public int deoptReasonClassCheck;
 365     public int deoptReasonArrayCheck;
 366     public int deoptReasonUnreached0;
 367     public int deoptReasonTypeCheckInlining;
 368     public int deoptReasonOptimizedTypeCheck;
 369     public int deoptReasonNotCompiledExceptionHandler;
 370     public int deoptReasonUnresolved;
 371     public int deoptReasonJsrMismatch;
 372     public int deoptReasonDiv0Check;
 373     public int deoptReasonConstraint;
 374 
 375     public int deoptActionNone;
 376     public int deoptActionMaybeRecompile;
 377     public int deoptActionReinterpret;
 378     public int deoptActionMakeNotEntrant;
 379     public int deoptActionMakeNotCompilable;
 380 
 381     public void check() {
 382         assert codeEntryAlignment > 0;
 383         assert stackShadowPages > 0;
 384     }
 385 }