1 /*
   2  * Copyright (c) 2011, 2016, 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 
  24 #ifndef SHARE_VM_JVMCI_JVMCIJAVACLASSES_HPP
  25 #define SHARE_VM_JVMCI_JVMCIJAVACLASSES_HPP
  26 
  27 #include "classfile/systemDictionary.hpp"
  28 #include "oops/instanceMirrorKlass.hpp"
  29 #include "oops/oop.inline.hpp"
  30 #include "runtime/access.inline.hpp"
  31 
  32 class JVMCIJavaClasses : AllStatic {
  33  public:
  34   static void compute_offsets(TRAPS);
  35 };
  36 
  37 /* This macro defines the structure of the JVMCI classes accessed from VM code.
  38  * It will generate classes with accessors similar to javaClasses.hpp, but with specializations for oops, Handles and jni handles.
  39  *
  40  * The public interface of these classes will look like this:
  41 
  42  * class StackSlot : AllStatic {
  43  * public:
  44  *   static Klass* klass();
  45  *   static jint  index(oop obj);
  46  *   static jint  index(Handle obj);
  47  *   static jint  index(jobject obj);
  48  *   static void set_index(oop obj, jint x);
  49  *   static void set_index(Handle obj, jint x);
  50  *   static void set_index(jobject obj, jint x);
  51  * };
  52  *
  53  */
  54 
  55 #define COMPILER_CLASSES_DO(start_class, end_class, char_field, int_field, boolean_field, long_field, float_field, oop_field, typeArrayOop_field, objArrayOop_field, static_oop_field, static_objArrayOop_field, static_int_field, static_boolean_field) \
  56   start_class(Architecture)                                                                                                                                    \
  57     oop_field(Architecture, wordKind, "Ljdk/vm/ci/meta/PlatformKind;")                                                                                         \
  58   end_class                                                                                                                                                    \
  59   start_class(TargetDescription)                                                                                                                               \
  60     oop_field(TargetDescription, arch, "Ljdk/vm/ci/code/Architecture;")                                                                                        \
  61   end_class                                                                                                                                                    \
  62   start_class(HotSpotResolvedObjectTypeImpl)                                                                                                                   \
  63     oop_field(HotSpotResolvedObjectTypeImpl, javaClass, "Ljava/lang/Class;")                                                                                   \
  64   end_class                                                                                                                                                    \
  65   start_class(HotSpotResolvedJavaMethodImpl)                                                                                                                   \
  66     long_field(HotSpotResolvedJavaMethodImpl, metaspaceMethod)                                                                                                 \
  67   end_class                                                                                                                                                    \
  68   start_class(InstalledCode)                                                                                                                                   \
  69     long_field(InstalledCode, address)                                                                                                                         \
  70     long_field(InstalledCode, entryPoint)                                                                                                                      \
  71     long_field(InstalledCode, version)                                                                                                                         \
  72     oop_field(InstalledCode, name, "Ljava/lang/String;")                                                                                                       \
  73   end_class                                                                                                                                                    \
  74   start_class(HotSpotInstalledCode)                                                                                                                            \
  75     int_field(HotSpotInstalledCode, size)                                                                                                                      \
  76     long_field(HotSpotInstalledCode, codeStart)                                                                                                                \
  77     int_field(HotSpotInstalledCode, codeSize)                                                                                                                  \
  78   end_class                                                                                                                                                    \
  79   start_class(HotSpotNmethod)                                                                                                                                  \
  80     boolean_field(HotSpotNmethod, isDefault)                                                                                                                   \
  81   end_class                                                                                                                                                    \
  82   start_class(HotSpotCompiledCode)                                                                                                                             \
  83     oop_field(HotSpotCompiledCode, name, "Ljava/lang/String;")                                                                                                 \
  84     typeArrayOop_field(HotSpotCompiledCode, targetCode, "[B")                                                                                                  \
  85     int_field(HotSpotCompiledCode, targetCodeSize)                                                                                                             \
  86     objArrayOop_field(HotSpotCompiledCode, sites, "[Ljdk/vm/ci/code/site/Site;")                                                                               \
  87     objArrayOop_field(HotSpotCompiledCode, assumptions, "[Ljdk/vm/ci/meta/Assumptions$Assumption;")                                                            \
  88     objArrayOop_field(HotSpotCompiledCode, methods, "[Ljdk/vm/ci/meta/ResolvedJavaMethod;")                                                                    \
  89     objArrayOop_field(HotSpotCompiledCode, comments, "[Ljdk/vm/ci/hotspot/HotSpotCompiledCode$Comment;")                                                       \
  90     typeArrayOop_field(HotSpotCompiledCode, dataSection, "[B")                                                                                                 \
  91     int_field(HotSpotCompiledCode, dataSectionAlignment)                                                                                                       \
  92     objArrayOop_field(HotSpotCompiledCode, dataSectionPatches, "[Ljdk/vm/ci/code/site/DataPatch;")                                                             \
  93     boolean_field(HotSpotCompiledCode, isImmutablePIC)                                                                                                         \
  94     int_field(HotSpotCompiledCode, totalFrameSize)                                                                                                             \
  95     oop_field(HotSpotCompiledCode, deoptRescueSlot, "Ljdk/vm/ci/code/StackSlot;")                                                                              \
  96   end_class                                                                                                                                                    \
  97   start_class(HotSpotCompiledCode_Comment)                                                                                                                     \
  98     oop_field(HotSpotCompiledCode_Comment, text, "Ljava/lang/String;")                                                                                         \
  99     int_field(HotSpotCompiledCode_Comment, pcOffset)                                                                                                           \
 100   end_class                                                                                                                                                    \
 101   start_class(HotSpotCompiledNmethod)                                                                                                                          \
 102     oop_field(HotSpotCompiledNmethod, method, "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethod;")                                                                 \
 103     oop_field(HotSpotCompiledNmethod, installationFailureMessage, "Ljava/lang/String;")                                                                        \
 104     int_field(HotSpotCompiledNmethod, entryBCI)                                                                                                                \
 105     int_field(HotSpotCompiledNmethod, id)                                                                                                                      \
 106     long_field(HotSpotCompiledNmethod, jvmciEnv)                                                                                                               \
 107     boolean_field(HotSpotCompiledNmethod, hasUnsafeAccess)                                                                                                     \
 108   end_class                                                                                                                                                    \
 109   start_class(HotSpotJVMCIMetaAccessContext)                                                                                                                   \
 110     static_objArrayOop_field(HotSpotJVMCIMetaAccessContext, allContexts, "[Ljava/lang/ref/WeakReference;")                                                     \
 111     objArrayOop_field(HotSpotJVMCIMetaAccessContext, metadataRoots, "[Ljava/lang/Object;")                                                                     \
 112   end_class                                                                                                                                                    \
 113   start_class(HotSpotForeignCallTarget)                                                                                                                        \
 114     long_field(HotSpotForeignCallTarget, address)                                                                                                              \
 115   end_class                                                                                                                                                    \
 116   start_class(VMField)                                                                                                                                         \
 117     oop_field(VMField, name, "Ljava/lang/String;")                                                                                                             \
 118     oop_field(VMField, type, "Ljava/lang/String;")                                                                                                             \
 119     long_field(VMField, offset)                                                                                                                                \
 120     long_field(VMField, address)                                                                                                                               \
 121     oop_field(VMField, value, "Ljava/lang/Object;")                                                                                                            \
 122   end_class                                                                                                                                                    \
 123   start_class(VMFlag)                                                                                                                                          \
 124     oop_field(VMFlag, name, "Ljava/lang/String;")                                                                                                              \
 125     oop_field(VMFlag, type, "Ljava/lang/String;")                                                                                                              \
 126     oop_field(VMFlag, value, "Ljava/lang/Object;")                                                                                                             \
 127   end_class                                                                                                                                                    \
 128   start_class(VMIntrinsicMethod)                                                                                                                               \
 129     oop_field(VMIntrinsicMethod, declaringClass, "Ljava/lang/String;")                                                                                         \
 130     oop_field(VMIntrinsicMethod, name, "Ljava/lang/String;")                                                                                                   \
 131     oop_field(VMIntrinsicMethod, descriptor, "Ljava/lang/String;")                                                                                             \
 132     int_field(VMIntrinsicMethod, id)                                                                                                                           \
 133   end_class                                                                                                                                                    \
 134   start_class(Assumptions_NoFinalizableSubclass)                                                                                                               \
 135     oop_field(Assumptions_NoFinalizableSubclass, receiverType, "Ljdk/vm/ci/meta/ResolvedJavaType;")                                                            \
 136   end_class                                                                                                                                                    \
 137   start_class(Assumptions_ConcreteSubtype)                                                                                                                     \
 138     oop_field(Assumptions_ConcreteSubtype, context, "Ljdk/vm/ci/meta/ResolvedJavaType;")                                                                       \
 139     oop_field(Assumptions_ConcreteSubtype, subtype, "Ljdk/vm/ci/meta/ResolvedJavaType;")                                                                       \
 140   end_class                                                                                                                                                    \
 141   start_class(Assumptions_LeafType)                                                                                                                            \
 142     oop_field(Assumptions_LeafType, context, "Ljdk/vm/ci/meta/ResolvedJavaType;")                                                                              \
 143   end_class                                                                                                                                                    \
 144   start_class(Assumptions_ConcreteMethod)                                                                                                                      \
 145     oop_field(Assumptions_ConcreteMethod, method, "Ljdk/vm/ci/meta/ResolvedJavaMethod;")                                                                       \
 146     oop_field(Assumptions_ConcreteMethod, context, "Ljdk/vm/ci/meta/ResolvedJavaType;")                                                                        \
 147     oop_field(Assumptions_ConcreteMethod, impl, "Ljdk/vm/ci/meta/ResolvedJavaMethod;")                                                                         \
 148   end_class                                                                                                                                                    \
 149   start_class(Assumptions_CallSiteTargetValue)                                                                                                                 \
 150     oop_field(Assumptions_CallSiteTargetValue, callSite, "Ljava/lang/invoke/CallSite;")                                                                        \
 151     oop_field(Assumptions_CallSiteTargetValue, methodHandle, "Ljava/lang/invoke/MethodHandle;")                                                                \
 152   end_class                                                                                                                                                    \
 153   start_class(site_Site)                                                                                                                                       \
 154     int_field(site_Site, pcOffset)                                                                                                                             \
 155   end_class                                                                                                                                                    \
 156   start_class(site_Call)                                                                                                                                       \
 157     oop_field(site_Call, target, "Ljdk/vm/ci/meta/InvokeTarget;")                                                                                              \
 158     oop_field(site_Call, debugInfo, "Ljdk/vm/ci/code/DebugInfo;")                                                                                              \
 159   end_class                                                                                                                                                    \
 160   start_class(site_DataPatch)                                                                                                                                  \
 161     oop_field(site_DataPatch, reference, "Ljdk/vm/ci/code/site/Reference;")                                                                                    \
 162   end_class                                                                                                                                                    \
 163   start_class(site_ConstantReference)                                                                                                                          \
 164     oop_field(site_ConstantReference, constant, "Ljdk/vm/ci/meta/VMConstant;")                                                                                 \
 165   end_class                                                                                                                                                    \
 166   start_class(site_DataSectionReference)                                                                                                                       \
 167     int_field(site_DataSectionReference, offset)                                                                                                               \
 168   end_class                                                                                                                                                    \
 169   start_class(site_InfopointReason)                                                                                                                            \
 170     static_oop_field(site_InfopointReason, SAFEPOINT, "Ljdk/vm/ci/code/site/InfopointReason;")                                                                 \
 171     static_oop_field(site_InfopointReason, CALL, "Ljdk/vm/ci/code/site/InfopointReason;")                                                                      \
 172     static_oop_field(site_InfopointReason, IMPLICIT_EXCEPTION, "Ljdk/vm/ci/code/site/InfopointReason;")                                                        \
 173   end_class                                                                                                                                                    \
 174   start_class(site_Infopoint)                                                                                                                                  \
 175     oop_field(site_Infopoint, debugInfo, "Ljdk/vm/ci/code/DebugInfo;")                                                                                         \
 176     oop_field(site_Infopoint, reason, "Ljdk/vm/ci/code/site/InfopointReason;")                                                                                 \
 177   end_class                                                                                                                                                    \
 178   start_class(site_ExceptionHandler)                                                                                                                           \
 179     int_field(site_ExceptionHandler, handlerPos)                                                                                                               \
 180   end_class                                                                                                                                                    \
 181   start_class(site_Mark)                                                                                                                                       \
 182     oop_field(site_Mark, id, "Ljava/lang/Object;")                                                                                                             \
 183   end_class                                                                                                                                                    \
 184   start_class(HotSpotCompilationRequestResult)                                                                                                                 \
 185     oop_field(HotSpotCompilationRequestResult, failureMessage, "Ljava/lang/String;")                                                                           \
 186     boolean_field(HotSpotCompilationRequestResult, retry)                                                                                                      \
 187     int_field(HotSpotCompilationRequestResult, inlinedBytecodes)                                                                                               \
 188   end_class                                                                                                                                                    \
 189   start_class(DebugInfo)                                                                                                                                       \
 190     oop_field(DebugInfo, bytecodePosition, "Ljdk/vm/ci/code/BytecodePosition;")                                                                                \
 191     oop_field(DebugInfo, referenceMap, "Ljdk/vm/ci/code/ReferenceMap;")                                                                                        \
 192     oop_field(DebugInfo, calleeSaveInfo, "Ljdk/vm/ci/code/RegisterSaveLayout;")                                                                                \
 193     objArrayOop_field(DebugInfo, virtualObjectMapping, "[Ljdk/vm/ci/code/VirtualObject;")                                                                      \
 194   end_class                                                                                                                                                    \
 195   start_class(HotSpotReferenceMap)                                                                                                                             \
 196     objArrayOop_field(HotSpotReferenceMap, objects, "[Ljdk/vm/ci/code/Location;")                                                                              \
 197     objArrayOop_field(HotSpotReferenceMap, derivedBase, "[Ljdk/vm/ci/code/Location;")                                                                          \
 198     typeArrayOop_field(HotSpotReferenceMap, sizeInBytes, "[I")                                                                                                 \
 199     int_field(HotSpotReferenceMap, maxRegisterSize)                                                                                                            \
 200   end_class                                                                                                                                                    \
 201   start_class(RegisterSaveLayout)                                                                                                                              \
 202     objArrayOop_field(RegisterSaveLayout, registers, "[Ljdk/vm/ci/code/Register;")                                                                             \
 203     typeArrayOop_field(RegisterSaveLayout, slots, "[I")                                                                                                        \
 204   end_class                                                                                                                                                    \
 205   start_class(BytecodeFrame)                                                                                                                                   \
 206     objArrayOop_field(BytecodeFrame, values, "[Ljdk/vm/ci/meta/JavaValue;")                                                                                    \
 207     objArrayOop_field(BytecodeFrame, slotKinds, "[Ljdk/vm/ci/meta/JavaKind;")                                                                                  \
 208     int_field(BytecodeFrame, numLocals)                                                                                                                        \
 209     int_field(BytecodeFrame, numStack)                                                                                                                         \
 210     int_field(BytecodeFrame, numLocks)                                                                                                                         \
 211     boolean_field(BytecodeFrame, rethrowException)                                                                                                             \
 212     boolean_field(BytecodeFrame, duringCall)                                                                                                                   \
 213     static_int_field(BytecodeFrame, BEFORE_BCI)                                                                                                                \
 214   end_class                                                                                                                                                    \
 215   start_class(BytecodePosition)                                                                                                                                \
 216     oop_field(BytecodePosition, caller, "Ljdk/vm/ci/code/BytecodePosition;")                                                                                   \
 217     oop_field(BytecodePosition, method, "Ljdk/vm/ci/meta/ResolvedJavaMethod;")                                                                                 \
 218     int_field(BytecodePosition, bci)                                                                                                                           \
 219   end_class                                                                                                                                                    \
 220   start_class(JavaConstant)                                                                                                                                    \
 221   end_class                                                                                                                                                    \
 222   start_class(PrimitiveConstant)                                                                                                                               \
 223     oop_field(PrimitiveConstant, kind, "Ljdk/vm/ci/meta/JavaKind;")                                                                                            \
 224     long_field(PrimitiveConstant, primitive)                                                                                                                   \
 225   end_class                                                                                                                                                    \
 226   start_class(RawConstant)                                                                                                                                     \
 227     long_field(RawConstant, primitive)                                                                                                                         \
 228   end_class                                                                                                                                                    \
 229   start_class(NullConstant)                                                                                                                                    \
 230   end_class                                                                                                                                                    \
 231   start_class(HotSpotCompressedNullConstant)                                                                                                                   \
 232   end_class                                                                                                                                                    \
 233   start_class(HotSpotObjectConstantImpl)                                                                                                                       \
 234     oop_field(HotSpotObjectConstantImpl, object, "Ljava/lang/Object;")                                                                                         \
 235     boolean_field(HotSpotObjectConstantImpl, compressed)                                                                                                       \
 236   end_class                                                                                                                                                    \
 237   start_class(HotSpotMetaspaceConstantImpl)                                                                                                                    \
 238     oop_field(HotSpotMetaspaceConstantImpl, metaspaceObject, "Ljdk/vm/ci/hotspot/MetaspaceWrapperObject;")                                                     \
 239     boolean_field(HotSpotMetaspaceConstantImpl, compressed)                                                                                                    \
 240   end_class                                                                                                                                                    \
 241   start_class(HotSpotSentinelConstant)                                                                                                                         \
 242   end_class                                                                                                                                                    \
 243   start_class(JavaKind)                                                                                                                                        \
 244     char_field(JavaKind, typeChar)                                                                                                                             \
 245     static_oop_field(JavaKind, Boolean, "Ljdk/vm/ci/meta/JavaKind;");                                                                                          \
 246     static_oop_field(JavaKind, Byte, "Ljdk/vm/ci/meta/JavaKind;");                                                                                             \
 247     static_oop_field(JavaKind, Char, "Ljdk/vm/ci/meta/JavaKind;");                                                                                             \
 248     static_oop_field(JavaKind, Short, "Ljdk/vm/ci/meta/JavaKind;");                                                                                            \
 249     static_oop_field(JavaKind, Int, "Ljdk/vm/ci/meta/JavaKind;");                                                                                              \
 250     static_oop_field(JavaKind, Long, "Ljdk/vm/ci/meta/JavaKind;");                                                                                             \
 251   end_class                                                                                                                                                    \
 252   start_class(ValueKind)                                                                                                                                       \
 253     oop_field(ValueKind, platformKind, "Ljdk/vm/ci/meta/PlatformKind;")                                                                                        \
 254   end_class                                                                                                                                                    \
 255   start_class(Value)                                                                                                                                           \
 256     oop_field(Value, valueKind, "Ljdk/vm/ci/meta/ValueKind;")                                                                                                  \
 257     static_oop_field(Value, ILLEGAL, "Ljdk/vm/ci/meta/AllocatableValue;");                                                                                     \
 258   end_class                                                                                                                                                    \
 259   start_class(RegisterValue)                                                                                                                                   \
 260     oop_field(RegisterValue, reg, "Ljdk/vm/ci/code/Register;")                                                                                                 \
 261   end_class                                                                                                                                                    \
 262   start_class(code_Location)                                                                                                                                   \
 263     oop_field(code_Location, reg, "Ljdk/vm/ci/code/Register;")                                                                                                 \
 264     int_field(code_Location, offset)                                                                                                                           \
 265   end_class                                                                                                                                                    \
 266   start_class(code_Register)                                                                                                                                   \
 267     int_field(code_Register, number)                                                                                                                           \
 268     int_field(code_Register, encoding)                                                                                                                         \
 269   end_class                                                                                                                                                    \
 270   start_class(StackSlot)                                                                                                                                       \
 271     int_field(StackSlot, offset)                                                                                                                               \
 272     boolean_field(StackSlot, addFrameSize)                                                                                                                     \
 273   end_class                                                                                                                                                    \
 274   start_class(VirtualObject)                                                                                                                                   \
 275     int_field(VirtualObject, id)                                                                                                                               \
 276     oop_field(VirtualObject, type, "Ljdk/vm/ci/meta/ResolvedJavaType;")                                                                                        \
 277     objArrayOop_field(VirtualObject, values, "[Ljdk/vm/ci/meta/JavaValue;")                                                                                    \
 278     objArrayOop_field(VirtualObject, slotKinds, "[Ljdk/vm/ci/meta/JavaKind;")                                                                                  \
 279   end_class                                                                                                                                                    \
 280   start_class(StackLockValue)                                                                                                                                  \
 281     oop_field(StackLockValue, owner, "Ljdk/vm/ci/meta/JavaValue;")                                                                                             \
 282     oop_field(StackLockValue, slot, "Ljdk/vm/ci/meta/AllocatableValue;")                                                                                       \
 283     boolean_field(StackLockValue, eliminated)                                                                                                                  \
 284   end_class                                                                                                                                                    \
 285   start_class(HotSpotSpeculationLog)                                                                                                                           \
 286     oop_field(HotSpotSpeculationLog, lastFailed, "Ljava/lang/Object;")                                                                                         \
 287   end_class                                                                                                                                                    \
 288   start_class(HotSpotStackFrameReference)                                                                                                                      \
 289     oop_field(HotSpotStackFrameReference, compilerToVM, "Ljdk/vm/ci/hotspot/CompilerToVM;")                                                                    \
 290     long_field(HotSpotStackFrameReference, stackPointer)                                                                                                       \
 291     int_field(HotSpotStackFrameReference, frameNumber)                                                                                                         \
 292     int_field(HotSpotStackFrameReference, bci)                                                                                                                 \
 293     oop_field(HotSpotStackFrameReference, method, "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethod;")                                                             \
 294     objArrayOop_field(HotSpotStackFrameReference, locals, "[Ljava/lang/Object;")                                                                               \
 295     typeArrayOop_field(HotSpotStackFrameReference, localIsVirtual, "[Z")                                                                                       \
 296   end_class                                                                                                                                                    \
 297   start_class(HotSpotMetaData)                                                                                                                                 \
 298     typeArrayOop_field(HotSpotMetaData, pcDescBytes, "[B")                                                                                                     \
 299     typeArrayOop_field(HotSpotMetaData, scopesDescBytes, "[B")                                                                                                 \
 300     typeArrayOop_field(HotSpotMetaData, relocBytes, "[B")                                                                                                      \
 301     typeArrayOop_field(HotSpotMetaData, exceptionBytes, "[B")                                                                                                  \
 302     typeArrayOop_field(HotSpotMetaData, oopMaps, "[B")                                                                                                         \
 303     objArrayOop_field(HotSpotMetaData, metadata, "[Ljava/lang/String;")                                                                                        \
 304   end_class                                                                                                                                                    \
 305   start_class(HotSpotConstantPool)                                                                                                                             \
 306     long_field(HotSpotConstantPool, metaspaceConstantPool)                                                                                                     \
 307   end_class                                                                                                                                                    \
 308   start_class(HotSpotJVMCIRuntime)                                                                                                                             \
 309     objArrayOop_field(HotSpotJVMCIRuntime, trivialPrefixes, "[Ljava/lang/String;")                                                                             \
 310     int_field(HotSpotJVMCIRuntime, compilationLevelAdjustment)                                                                                                 \
 311   end_class                                                                                                                                                    \
 312   /* end*/
 313 
 314 #define START_CLASS(name)                                                                                                                                      \
 315 class name : AllStatic {                                                                                                                                       \
 316   private:                                                                                                                                                     \
 317     friend class JVMCICompiler;                                                                                                                                \
 318     static void check(oop obj, const char* field_name, int offset) {                                                                                           \
 319         assert(obj != NULL, "NULL field access of %s.%s", #name, field_name);                                                                                  \
 320         assert(obj->is_a(SystemDictionary::name##_klass()), "wrong class, " #name " expected, found %s", obj->klass()->external_name());                       \
 321         assert(offset != 0, "must be valid offset");                                                                                                           \
 322     }                                                                                                                                                          \
 323     static void compute_offsets(TRAPS);                                                                                                                        \
 324   public:                                                                                                                                                      \
 325     static InstanceKlass* klass() { return SystemDictionary::name##_klass(); }
 326 
 327 #define END_CLASS };
 328 
 329 #define FIELD(name, type, accessor, cast)                                                                                                                         \
 330     static int _##name##_offset;                                                                                                                                  \
 331     static type name(oop obj)                   { check(obj, #name, _##name##_offset); return cast obj->accessor(_##name##_offset); }                                               \
 332     static type name(Handle obj)                { check(obj(), #name, _##name##_offset); return cast obj->accessor(_##name##_offset); }                                             \
 333     static type name(jobject obj)               { check(JNIHandles::resolve(obj), #name, _##name##_offset); return cast JNIHandles::resolve(obj)->accessor(_##name##_offset); }     \
 334     static void set_##name(oop obj, type x)     { check(obj, #name, _##name##_offset); obj->accessor##_put(_##name##_offset, x); }                                                  \
 335     static void set_##name(Handle obj, type x)  { check(obj(), #name, _##name##_offset); obj->accessor##_put(_##name##_offset, x); }                                                \
 336     static void set_##name(jobject obj, type x) { check(JNIHandles::resolve(obj), #name, _##name##_offset); JNIHandles::resolve(obj)->accessor##_put(_##name##_offset, x); }
 337 
 338 #define EMPTY_CAST
 339 #define CHAR_FIELD(klass, name) FIELD(name, jchar, char_field, EMPTY_CAST)
 340 #define INT_FIELD(klass, name) FIELD(name, jint, int_field, EMPTY_CAST)
 341 #define BOOLEAN_FIELD(klass, name) FIELD(name, jboolean, bool_field, EMPTY_CAST)
 342 #define LONG_FIELD(klass, name) FIELD(name, jlong, long_field, EMPTY_CAST)
 343 #define FLOAT_FIELD(klass, name) FIELD(name, jfloat, float_field, EMPTY_CAST)
 344 #define OOP_FIELD(klass, name, signature) FIELD(name, oop, obj_field, EMPTY_CAST)
 345 #define OBJARRAYOOP_FIELD(klass, name, signature) FIELD(name, objArrayOop, obj_field, (objArrayOop))
 346 #define TYPEARRAYOOP_FIELD(klass, name, signature) FIELD(name, typeArrayOop, obj_field, (typeArrayOop))
 347 #define STATIC_OOP_FIELD(klassName, name, signature) STATIC_OOPISH_FIELD(klassName, name, oop, signature)
 348 #define STATIC_OBJARRAYOOP_FIELD(klassName, name, signature) STATIC_OOPISH_FIELD(klassName, name, objArrayOop, signature)
 349 #define STATIC_OOPISH_FIELD(klassName, name, type, signature)                                                  \
 350     static int _##name##_offset;                                                                               \
 351     static type name() {                                                                                       \
 352       assert(klassName::klass() != NULL && klassName::klass()->is_linked(), "Class not yet linked: " #klassName); \
 353       InstanceKlass* ik = klassName::klass();                                                                  \
 354       address addr = ik->static_field_addr(_##name##_offset - InstanceMirrorKlass::offset_of_static_fields()); \
 355       return HeapAccess<>::oop_load((HeapWord*)addr);                     \
 356     }                                                                                                          \
 357     static void set_##name(type x) {                                                                           \
 358       assert(klassName::klass() != NULL && klassName::klass()->is_linked(), "Class not yet linked: " #klassName); \
 359       assert(klassName::klass() != NULL, "Class not yet loaded: " #klassName);                                 \
 360       InstanceKlass* ik = klassName::klass();                                                                  \
 361       address addr = ik->static_field_addr(_##name##_offset - InstanceMirrorKlass::offset_of_static_fields()); \
 362       HeapAccess<>::oop_store((HeapWord*)addr, x);                               \
 363     }
 364 #define STATIC_PRIMITIVE_FIELD(klassName, name, jtypename)                                                     \
 365     static int _##name##_offset;                                                                               \
 366     static jtypename name() {                                                                                  \
 367       assert(klassName::klass() != NULL && klassName::klass()->is_linked(), "Class not yet linked: " #klassName); \
 368       InstanceKlass* ik = klassName::klass();                                                                  \
 369       address addr = ik->static_field_addr(_##name##_offset - InstanceMirrorKlass::offset_of_static_fields()); \
 370       return HeapAccess<>::load((jtypename*)addr);                                \
 371     }                                                                                                          \
 372     static void set_##name(jtypename x) {                                                                      \
 373       assert(klassName::klass() != NULL && klassName::klass()->is_linked(), "Class not yet linked: " #klassName); \
 374       InstanceKlass* ik = klassName::klass();                                                                  \
 375       address addr = ik->static_field_addr(_##name##_offset - InstanceMirrorKlass::offset_of_static_fields()); \
 376       HeapAccess<>::store((jtypename*)addr, x);                                                                            \
 377     }
 378 
 379 #define STATIC_INT_FIELD(klassName, name) STATIC_PRIMITIVE_FIELD(klassName, name, jint)
 380 #define STATIC_BOOLEAN_FIELD(klassName, name) STATIC_PRIMITIVE_FIELD(klassName, name, jboolean)
 381 
 382 COMPILER_CLASSES_DO(START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, BOOLEAN_FIELD, LONG_FIELD, FLOAT_FIELD, OOP_FIELD, TYPEARRAYOOP_FIELD, OBJARRAYOOP_FIELD, STATIC_OOP_FIELD, STATIC_OBJARRAYOOP_FIELD, STATIC_INT_FIELD, STATIC_BOOLEAN_FIELD)
 383 #undef START_CLASS
 384 #undef END_CLASS
 385 #undef FIELD
 386 #undef CHAR_FIELD
 387 #undef INT_FIELD
 388 #undef BOOLEAN_FIELD
 389 #undef LONG_FIELD
 390 #undef FLOAT_FIELD
 391 #undef OOP_FIELD
 392 #undef TYPEARRAYOOP_FIELD
 393 #undef OBJARRAYOOP_FIELD
 394 #undef STATIC_OOPISH_FIELD
 395 #undef STATIC_OOP_FIELD
 396 #undef STATIC_OBJARRAYOOP_FIELD
 397 #undef STATIC_INT_FIELD
 398 #undef STATIC_BOOLEAN_FIELD
 399 #undef EMPTY_CAST
 400 
 401 void compute_offset(int &dest_offset, Klass* klass, const char* name, const char* signature, bool static_field, TRAPS);
 402 
 403 #endif // SHARE_VM_JVMCI_JVMCIJAVACLASSES_HPP