1 /*
2  * Copyright (c) 2011, 2019, 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 
25 package org.graalvm.compiler.hotspot;
26 
27 import java.lang.reflect.Field;
28 import java.lang.reflect.Modifier;
29 import java.util.List;
30 
31 import org.graalvm.compiler.core.common.CompressEncoding;
32 import org.graalvm.compiler.hotspot.nodes.GraalHotSpotVMConfigNode;
33 
34 import jdk.vm.ci.common.JVMCIError;
35 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
36 import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
37 import jdk.vm.ci.meta.ResolvedJavaMethod;
38 
39 /**
40  * Used to access native configuration details.
41  */
42 public class GraalHotSpotVMConfig extends GraalHotSpotVMConfigBase {
43 
GraalHotSpotVMConfig(HotSpotVMConfigStore store)44     GraalHotSpotVMConfig(HotSpotVMConfigStore store) {
45         super(store);
46 
47         assert narrowKlassShift <= logKlassAlignment;
48         assert narrowOopShift <= logMinObjAlignment();
49         oopEncoding = new CompressEncoding(narrowOopBase, narrowOopShift);
50         klassEncoding = new CompressEncoding(narrowKlassBase, narrowKlassShift);
51 
52         assert check();
53     }
54 
55     private final CompressEncoding oopEncoding;
56     private final CompressEncoding klassEncoding;
57 
getOopEncoding()58     public CompressEncoding getOopEncoding() {
59         return oopEncoding;
60     }
61 
getKlassEncoding()62     public CompressEncoding getKlassEncoding() {
63         return klassEncoding;
64     }
65 
66     public final boolean cAssertions = getConstant("ASSERT", Boolean.class);
67 
68     public final int codeEntryAlignment = getFlag("CodeEntryAlignment", Integer.class);
69     public final boolean enableContended = getFlag("EnableContended", Boolean.class);
70     public final boolean restrictContended = getFlag("RestrictContended", Boolean.class);
71     public final int contendedPaddingWidth = getFlag("ContendedPaddingWidth", Integer.class);
72     public final int fieldsAllocationStyle = getFlag("FieldsAllocationStyle", Integer.class);
73     public final boolean compactFields = getFlag("CompactFields", Boolean.class);
74     public final boolean verifyOops = getFlag("VerifyOops", Boolean.class);
75     public final boolean ciTime = getFlag("CITime", Boolean.class);
76     public final boolean ciTimeEach = getFlag("CITimeEach", Boolean.class);
77     public final boolean dontCompileHugeMethods = getFlag("DontCompileHugeMethods", Boolean.class);
78     public final int hugeMethodLimit = getFlag("HugeMethodLimit", Integer.class);
79     public final boolean printInlining = getFlag("PrintInlining", Boolean.class);
80     public final boolean inline = getFlag("Inline", Boolean.class);
81     public final boolean inlineNotify = versioned.inlineNotify;
82     public final boolean useFastLocking = getFlag("JVMCIUseFastLocking", Boolean.class);
83     public final boolean forceUnreachable = getFlag("ForceUnreachable", Boolean.class);
84     public final int codeSegmentSize = getFlag("CodeCacheSegmentSize", Integer.class);
85     public final boolean foldStableValues = getFlag("FoldStableValues", Boolean.class);
86     public final int maxVectorSize = getFlag("MaxVectorSize", Integer.class);
87 
88     public final boolean verifyBeforeGC = getFlag("VerifyBeforeGC", Boolean.class);
89     public final boolean verifyAfterGC = getFlag("VerifyAfterGC", Boolean.class);
90 
91     public final boolean useTLAB = getFlag("UseTLAB", Boolean.class);
92     public final boolean useBiasedLocking = getFlag("UseBiasedLocking", Boolean.class);
93     public final boolean usePopCountInstruction = getFlag("UsePopCountInstruction", Boolean.class);
94     public final boolean useAESIntrinsics = getFlag("UseAESIntrinsics", Boolean.class);
95     public final boolean useCRC32Intrinsics = getFlag("UseCRC32Intrinsics", Boolean.class);
96     public final boolean useCRC32CIntrinsics = versioned.useCRC32CIntrinsics;
97     public final boolean threadLocalHandshakes = getFlag("ThreadLocalHandshakes", Boolean.class, false);
98 
99     private final boolean useMultiplyToLenIntrinsic = getFlag("UseMultiplyToLenIntrinsic", Boolean.class);
100     private final boolean useSHA1Intrinsics = getFlag("UseSHA1Intrinsics", Boolean.class);
101     private final boolean useSHA256Intrinsics = getFlag("UseSHA256Intrinsics", Boolean.class);
102     private final boolean useSHA512Intrinsics = getFlag("UseSHA512Intrinsics", Boolean.class);
103     private final boolean useMontgomeryMultiplyIntrinsic = getFlag("UseMontgomeryMultiplyIntrinsic", Boolean.class, false);
104     private final boolean useMontgomerySquareIntrinsic = getFlag("UseMontgomerySquareIntrinsic", Boolean.class, false);
105     private final boolean useMulAddIntrinsic = getFlag("UseMulAddIntrinsic", Boolean.class, false);
106     private final boolean useSquareToLenIntrinsic = getFlag("UseSquareToLenIntrinsic", Boolean.class, false);
107 
108     /*
109      * These are methods because in some JDKs the flags are visible but the stubs themselves haven't
110      * been exported so we have to check both if the flag is on and if we have the stub.
111      */
useMultiplyToLenIntrinsic()112     public boolean useMultiplyToLenIntrinsic() {
113         return useMultiplyToLenIntrinsic && multiplyToLen != 0;
114     }
115 
useSHA1Intrinsics()116     public boolean useSHA1Intrinsics() {
117         return useSHA1Intrinsics && sha1ImplCompress != 0;
118     }
119 
useSHA256Intrinsics()120     public boolean useSHA256Intrinsics() {
121         return useSHA256Intrinsics && sha256ImplCompress != 0;
122     }
123 
useSHA512Intrinsics()124     public boolean useSHA512Intrinsics() {
125         return useSHA512Intrinsics && sha512ImplCompress != 0;
126     }
127 
useMontgomeryMultiplyIntrinsic()128     public boolean useMontgomeryMultiplyIntrinsic() {
129         return useMontgomeryMultiplyIntrinsic && montgomeryMultiply != 0;
130     }
131 
useMontgomerySquareIntrinsic()132     public boolean useMontgomerySquareIntrinsic() {
133         return useMontgomerySquareIntrinsic && montgomerySquare != 0;
134     }
135 
useMulAddIntrinsic()136     public boolean useMulAddIntrinsic() {
137         return useMulAddIntrinsic && mulAdd != 0;
138     }
139 
useSquareToLenIntrinsic()140     public boolean useSquareToLenIntrinsic() {
141         return useSquareToLenIntrinsic && squareToLen != 0;
142     }
143 
inlineNotify()144     public boolean inlineNotify() {
145         return inlineNotify && notifyAddress != 0;
146     }
147 
inlineNotifyAll()148     public boolean inlineNotifyAll() {
149         return inlineNotify && notifyAllAddress != 0;
150     }
151 
152     public final boolean useG1GC = getFlag("UseG1GC", Boolean.class);
153     public final boolean useCMSGC = getFlag("UseConcMarkSweepGC", Boolean.class);
154 
155     public final int allocatePrefetchStyle = getFlag("AllocatePrefetchStyle", Integer.class);
156     public final int allocatePrefetchInstr = getFlag("AllocatePrefetchInstr", Integer.class);
157     public final int allocatePrefetchLines = getFlag("AllocatePrefetchLines", Integer.class);
158     public final int allocateInstancePrefetchLines = getFlag("AllocateInstancePrefetchLines", Integer.class);
159     public final int allocatePrefetchStepSize = getFlag("AllocatePrefetchStepSize", Integer.class);
160     public final int allocatePrefetchDistance = getFlag("AllocatePrefetchDistance", Integer.class);
161 
162     private final long universeCollectedHeap = getFieldValue("CompilerToVM::Data::Universe_collectedHeap", Long.class, "CollectedHeap*");
163     private final int collectedHeapTotalCollectionsOffset = getFieldOffset("CollectedHeap::_total_collections", Integer.class, "unsigned int");
164 
gcTotalCollectionsAddress()165     public long gcTotalCollectionsAddress() {
166         return universeCollectedHeap + collectedHeapTotalCollectionsOffset;
167     }
168 
169     public final boolean useDeferredInitBarriers = getFlag("ReduceInitialCardMarks", Boolean.class);
170 
171     // Compressed Oops related values.
172     public final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class);
173     public final boolean useCompressedClassPointers = getFlag("UseCompressedClassPointers", Boolean.class);
174 
175     public final long narrowOopBase = getFieldValue("CompilerToVM::Data::Universe_narrow_oop_base", Long.class, "address");
176     public final int narrowOopShift = getFieldValue("CompilerToVM::Data::Universe_narrow_oop_shift", Integer.class, "int");
177     public final int objectAlignment = getFlag("ObjectAlignmentInBytes", Integer.class);
178 
minObjAlignment()179     public final int minObjAlignment() {
180         return objectAlignment / heapWordSize;
181     }
182 
logMinObjAlignment()183     public final int logMinObjAlignment() {
184         return (int) (Math.log(objectAlignment) / Math.log(2));
185     }
186 
187     public final int narrowKlassSize = getFieldValue("CompilerToVM::Data::sizeof_narrowKlass", Integer.class, "int");
188     public final long narrowKlassBase = getFieldValue("CompilerToVM::Data::Universe_narrow_klass_base", Long.class, "address");
189     public final int narrowKlassShift = getFieldValue("CompilerToVM::Data::Universe_narrow_klass_shift", Integer.class, "int");
190     public final int logKlassAlignment = getConstant("LogKlassAlignmentInBytes", Integer.class);
191 
192     public final int stackShadowPages = getFlag("StackShadowPages", Integer.class);
193     public final int stackReservedPages = getFlag("StackReservedPages", Integer.class, 0);
194     public final boolean useStackBanging = getFlag("UseStackBanging", Boolean.class);
195     public final int stackBias = getConstant("STACK_BIAS", Integer.class);
196     public final int vmPageSize = getFieldValue("CompilerToVM::Data::vm_page_size", Integer.class, "int");
197 
198     public final int markOffset = getFieldOffset("oopDesc::_mark", Integer.class, "markOop");
199     public final int hubOffset = getFieldOffset("oopDesc::_metadata._klass", Integer.class, "Klass*");
200 
201     public final int prototypeMarkWordOffset = getFieldOffset("Klass::_prototype_header", Integer.class, "markOop");
202     public final int subklassOffset = getFieldOffset("Klass::_subklass", Integer.class, "Klass*");
203     public final int nextSiblingOffset = getFieldOffset("Klass::_next_sibling", Integer.class, "Klass*");
204     public final int superCheckOffsetOffset = getFieldOffset("Klass::_super_check_offset", Integer.class, "juint");
205     public final int secondarySuperCacheOffset = getFieldOffset("Klass::_secondary_super_cache", Integer.class, "Klass*");
206     public final int secondarySupersOffset = getFieldOffset("Klass::_secondary_supers", Integer.class, "Array<Klass*>*");
207 
208     public final boolean classMirrorIsHandle;
209     public final int classMirrorOffset;
210     {
211         String name = "Klass::_java_mirror";
212         int offset = -1;
213         boolean isHandle = false;
214         try {
215             offset = getFieldOffset(name, Integer.class, "oop");
216         } catch (JVMCIError e) {
217 
218         }
219         if (offset == -1) {
220             try {
221                 offset = getFieldOffset(name, Integer.class, "jobject");
222                 isHandle = true;
223             } catch (JVMCIError e) {
224                 try {
225                     // JDK-8186777
226                     offset = getFieldOffset(name, Integer.class, "OopHandle");
227                     isHandle = true;
228                 } catch (JVMCIError e2) {
229                 }
230             }
231         }
232         if (offset == -1) {
233             throw new JVMCIError("cannot get offset of field " + name + " with type oop, jobject or OopHandle");
234         }
235         classMirrorOffset = offset;
236         classMirrorIsHandle = isHandle;
237     }
238 
239     public final int klassSuperKlassOffset = getFieldOffset("Klass::_super", Integer.class, "Klass*");
240     public final int klassModifierFlagsOffset = getFieldOffset("Klass::_modifier_flags", Integer.class, "jint");
241     public final int klassAccessFlagsOffset = getFieldOffset("Klass::_access_flags", Integer.class, "AccessFlags");
242     public final int klassLayoutHelperOffset = getFieldOffset("Klass::_layout_helper", Integer.class, "jint");
243 
244     public final int klassLayoutHelperNeutralValue = getConstant("Klass::_lh_neutral_value", Integer.class);
245     public final int layoutHelperLog2ElementSizeShift = getConstant("Klass::_lh_log2_element_size_shift", Integer.class);
246     public final int layoutHelperLog2ElementSizeMask = getConstant("Klass::_lh_log2_element_size_mask", Integer.class);
247     public final int layoutHelperElementTypeShift = getConstant("Klass::_lh_element_type_shift", Integer.class);
248     public final int layoutHelperElementTypeMask = getConstant("Klass::_lh_element_type_mask", Integer.class);
249     public final int layoutHelperHeaderSizeShift = getConstant("Klass::_lh_header_size_shift", Integer.class);
250     public final int layoutHelperHeaderSizeMask = getConstant("Klass::_lh_header_size_mask", Integer.class);
251     public final int layoutHelperArrayTagShift = getConstant("Klass::_lh_array_tag_shift", Integer.class);
252     public final int layoutHelperArrayTagTypeValue = getConstant("Klass::_lh_array_tag_type_value", Integer.class);
253     public final int layoutHelperArrayTagObjectValue = getConstant("Klass::_lh_array_tag_obj_value", Integer.class);
254 
255     /**
256      * This filters out the bit that differentiates a type array from an object array.
257      */
layoutHelperElementTypePrimitiveInPlace()258     public int layoutHelperElementTypePrimitiveInPlace() {
259         return (layoutHelperArrayTagTypeValue & ~layoutHelperArrayTagObjectValue) << layoutHelperArrayTagShift;
260     }
261 
262     public final int vtableEntrySize = getFieldValue("CompilerToVM::Data::sizeof_vtableEntry", Integer.class, "int");
263     public final int vtableEntryMethodOffset = getFieldOffset("vtableEntry::_method", Integer.class, "Method*");
264 
265     public final int instanceKlassInitStateOffset = getFieldOffset("InstanceKlass::_init_state", Integer.class, "u1");
266     public final int instanceKlassConstantsOffset = getFieldOffset("InstanceKlass::_constants", Integer.class, "ConstantPool*");
267     public final int instanceKlassFieldsOffset = getFieldOffset("InstanceKlass::_fields", Integer.class, "Array<u2>*");
268     public final int klassVtableStartOffset = getFieldValue("CompilerToVM::Data::Klass_vtable_start_offset", Integer.class, "int");
269     public final int klassVtableLengthOffset = getFieldValue("CompilerToVM::Data::Klass_vtable_length_offset", Integer.class, "int");
270 
271     public final int instanceKlassStateLinked = getConstant("InstanceKlass::linked", Integer.class);
272     public final int instanceKlassStateFullyInitialized = getConstant("InstanceKlass::fully_initialized", Integer.class);
273 
274     public final int arrayOopDescSize = getFieldValue("CompilerToVM::Data::sizeof_arrayOopDesc", Integer.class, "int");
275 
276     /**
277      * The offset of the array length word in an array object's header.
278      *
279      * See {@code arrayOopDesc::length_offset_in_bytes()}.
280      */
arrayOopDescLengthOffset()281     public final int arrayOopDescLengthOffset() {
282         return useCompressedClassPointers ? hubOffset + narrowKlassSize : arrayOopDescSize;
283     }
284 
285     public final int arrayU1LengthOffset = getFieldOffset("Array<int>::_length", Integer.class, "int");
286     public final int arrayU1DataOffset = getFieldOffset("Array<u1>::_data", Integer.class);
287     public final int arrayU2DataOffset = getFieldOffset("Array<u2>::_data", Integer.class);
288     public final int metaspaceArrayLengthOffset = getFieldOffset("Array<Klass*>::_length", Integer.class, "int");
289     public final int metaspaceArrayBaseOffset = getFieldOffset("Array<Klass*>::_data[0]", Integer.class, "Klass*");
290 
291     public final int arrayClassElementOffset = getFieldOffset("ObjArrayKlass::_element_klass", Integer.class, "Klass*");
292 
293     public final int fieldInfoAccessFlagsOffset = getConstant("FieldInfo::access_flags_offset", Integer.class);
294     public final int fieldInfoNameIndexOffset = getConstant("FieldInfo::name_index_offset", Integer.class);
295     public final int fieldInfoSignatureIndexOffset = getConstant("FieldInfo::signature_index_offset", Integer.class);
296     public final int fieldInfoInitvalIndexOffset = getConstant("FieldInfo::initval_index_offset", Integer.class);
297     public final int fieldInfoLowPackedOffset = getConstant("FieldInfo::low_packed_offset", Integer.class);
298     public final int fieldInfoHighPackedOffset = getConstant("FieldInfo::high_packed_offset", Integer.class);
299     public final int fieldInfoFieldSlots = getConstant("FieldInfo::field_slots", Integer.class);
300 
301     public final int fieldInfoTagSize = getConstant("FIELDINFO_TAG_SIZE", Integer.class);
302 
303     public final int jvmAccMonitorMatch = getConstant("JVM_ACC_MONITOR_MATCH", Integer.class);
304     public final int jvmAccHasMonitorBytecodes = getConstant("JVM_ACC_HAS_MONITOR_BYTECODES", Integer.class);
305     public final int jvmAccHasFinalizer = getConstant("JVM_ACC_HAS_FINALIZER", Integer.class);
306     public final int jvmAccFieldInternal = getConstant("JVM_ACC_FIELD_INTERNAL", Integer.class);
307     public final int jvmAccFieldStable = getConstant("JVM_ACC_FIELD_STABLE", Integer.class);
308     public final int jvmAccFieldHasGenericSignature = getConstant("JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE", Integer.class);
309     public final int jvmAccWrittenFlags = getConstant("JVM_ACC_WRITTEN_FLAGS", Integer.class);
310     public final int jvmAccSynthetic = getConstant("JVM_ACC_SYNTHETIC", Integer.class);
311 
312     public final int jvmciCompileStateCanPostOnExceptionsOffset = getFieldOffset("JVMCIEnv::_jvmti_can_post_on_exceptions", Integer.class, "jbyte", Integer.MIN_VALUE);
313 
314     public final int threadTlabOffset = getFieldOffset("Thread::_tlab", Integer.class, "ThreadLocalAllocBuffer");
315     public final int javaThreadAnchorOffset = getFieldOffset("JavaThread::_anchor", Integer.class, "JavaFrameAnchor");
316     public final int javaThreadShouldPostOnExceptionsFlagOffset = getFieldOffset("JavaThread::_should_post_on_exceptions_flag", Integer.class, "int", Integer.MIN_VALUE);
317     public final int threadObjectOffset = getFieldOffset("JavaThread::_threadObj", Integer.class, "oop");
318     public final int osThreadOffset = getFieldOffset("JavaThread::_osthread", Integer.class, "OSThread*");
319     public final int threadIsMethodHandleReturnOffset = getFieldOffset("JavaThread::_is_method_handle_return", Integer.class, "int");
320     public final int threadObjectResultOffset = getFieldOffset("JavaThread::_vm_result", Integer.class, "oop");
321     public final int jvmciCountersThreadOffset = getFieldOffset("JavaThread::_jvmci_counters", Integer.class, "jlong*");
322     public final int javaThreadReservedStackActivationOffset = versioned.javaThreadReservedStackActivationOffset;
323 
requiresReservedStackCheck(List<ResolvedJavaMethod> methods)324     public boolean requiresReservedStackCheck(List<ResolvedJavaMethod> methods) {
325         if (enableStackReservedZoneAddress != 0 && methods != null) {
326             for (ResolvedJavaMethod method : methods) {
327                 if (((HotSpotResolvedJavaMethod) method).hasReservedStackAccess()) {
328                     return true;
329                 }
330             }
331         }
332         return false;
333     }
334 
335     /**
336      * An invalid value for {@link #rtldDefault}.
337      */
338     public static final long INVALID_RTLD_DEFAULT_HANDLE = 0xDEADFACE;
339 
340     /**
341      * Address of the library lookup routine. The C signature of this routine is:
342      *
343      * <pre>
344      *     void* (const char *filename, char *ebuf, int ebuflen)
345      * </pre>
346      */
347     public final long dllLoad = getAddress("os::dll_load");
348 
349     /**
350      * Address of the library lookup routine. The C signature of this routine is:
351      *
352      * <pre>
353      *     void* (void* handle, const char* name)
354      * </pre>
355      */
356     public final long dllLookup = getAddress("os::dll_lookup");
357 
358     /**
359      * A pseudo-handle which when used as the first argument to {@link #dllLookup} means lookup will
360      * return the first occurrence of the desired symbol using the default library search order. If
361      * this field is {@value #INVALID_RTLD_DEFAULT_HANDLE}, then this capability is not supported on
362      * the current platform.
363      */
364     public final long rtldDefault = getAddress("RTLD_DEFAULT", osName.equals("bsd") || osName.equals("linux") ? null : INVALID_RTLD_DEFAULT_HANDLE);
365 
366     /**
367      * This field is used to pass exception objects into and out of the runtime system during
368      * exception handling for compiled code.
369      */
370     public final int threadExceptionOopOffset = getFieldOffset("JavaThread::_exception_oop", Integer.class, "oop");
371     public final int threadExceptionPcOffset = getFieldOffset("JavaThread::_exception_pc", Integer.class, "address");
372     public final int pendingExceptionOffset = getFieldOffset("ThreadShadow::_pending_exception", Integer.class, "oop");
373 
374     public final int pendingDeoptimizationOffset = getFieldOffset("JavaThread::_pending_deoptimization", Integer.class, "int");
375     public final int pendingFailedSpeculationOffset = getFieldOffset("JavaThread::_pending_failed_speculation", Integer.class, "long");
376     public final int pendingTransferToInterpreterOffset = getFieldOffset("JavaThread::_pending_transfer_to_interpreter", Integer.class, "bool");
377 
378     private final int javaFrameAnchorLastJavaSpOffset = getFieldOffset("JavaFrameAnchor::_last_Java_sp", Integer.class, "intptr_t*");
379     private final int javaFrameAnchorLastJavaPcOffset = getFieldOffset("JavaFrameAnchor::_last_Java_pc", Integer.class, "address");
380 
threadLastJavaSpOffset()381     public int threadLastJavaSpOffset() {
382         return javaThreadAnchorOffset + javaFrameAnchorLastJavaSpOffset;
383     }
384 
threadLastJavaPcOffset()385     public int threadLastJavaPcOffset() {
386         return javaThreadAnchorOffset + javaFrameAnchorLastJavaPcOffset;
387     }
388 
threadLastJavaFpOffset()389     public int threadLastJavaFpOffset() {
390         assert osArch.equals("aarch64") || osArch.equals("amd64");
391         return javaThreadAnchorOffset + getFieldOffset("JavaFrameAnchor::_last_Java_fp", Integer.class, "intptr_t*");
392     }
393 
threadJavaFrameAnchorFlagsOffset()394     public int threadJavaFrameAnchorFlagsOffset() {
395         assert osArch.equals("sparc");
396         return javaThreadAnchorOffset + getFieldOffset("JavaFrameAnchor::_flags", Integer.class, "int");
397     }
398 
399     public final int runtimeCallStackSize = getConstant("frame::arg_reg_save_area_bytes", Integer.class, intRequiredOnAMD64);
400     public final int frameInterpreterFrameSenderSpOffset = getConstant("frame::interpreter_frame_sender_sp_offset", Integer.class, intRequiredOnAMD64);
401     public final int frameInterpreterFrameLastSpOffset = getConstant("frame::interpreter_frame_last_sp_offset", Integer.class, intRequiredOnAMD64);
402 
403     public final int osThreadInterruptedOffset = getFieldOffset("OSThread::_interrupted", Integer.class, "jint");
404 
405     public final long markOopDescHashShift = getConstant("markOopDesc::hash_shift", Long.class);
406 
407     public final int biasedLockMaskInPlace = getConstant("markOopDesc::biased_lock_mask_in_place", Integer.class);
408     public final int ageMaskInPlace = getConstant("markOopDesc::age_mask_in_place", Integer.class);
409     public final int epochMaskInPlace = getConstant("markOopDesc::epoch_mask_in_place", Integer.class);
410     public final long markOopDescHashMask = getConstant("markOopDesc::hash_mask", Long.class);
411     public final long markOopDescHashMaskInPlace = getConstant("markOopDesc::hash_mask_in_place", Long.class);
412 
413     public final int unlockedMask = getConstant("markOopDesc::unlocked_value", Integer.class);
414     public final int monitorMask = getConstant("markOopDesc::monitor_value", Integer.class, -1);
415     public final int biasedLockPattern = getConstant("markOopDesc::biased_lock_pattern", Integer.class);
416 
417     // This field has no type in vmStructs.cpp
418     public final int objectMonitorOwner = getFieldOffset("ObjectMonitor::_owner", Integer.class, null, -1);
419     public final int objectMonitorRecursions = getFieldOffset("ObjectMonitor::_recursions", Integer.class, "intptr_t", -1);
420     public final int objectMonitorCxq = getFieldOffset("ObjectMonitor::_cxq", Integer.class, "ObjectWaiter*", -1);
421     public final int objectMonitorEntryList = getFieldOffset("ObjectMonitor::_EntryList", Integer.class, "ObjectWaiter*", -1);
422 
423     public final int markWordNoHashInPlace = getConstant("markOopDesc::no_hash_in_place", Integer.class);
424     public final int markWordNoLockInPlace = getConstant("markOopDesc::no_lock_in_place", Integer.class);
425 
426     /**
427      * See {@code markOopDesc::prototype()}.
428      */
arrayPrototypeMarkWord()429     public long arrayPrototypeMarkWord() {
430         return markWordNoHashInPlace | markWordNoLockInPlace;
431     }
432 
433     /**
434      * See {@code markOopDesc::copy_set_hash()}.
435      */
tlabIntArrayMarkWord()436     public long tlabIntArrayMarkWord() {
437         long tmp = arrayPrototypeMarkWord() & (~markOopDescHashMaskInPlace);
438         tmp |= ((0x2 & markOopDescHashMask) << markOopDescHashShift);
439         return tmp;
440     }
441 
442     /**
443      * Mark word right shift to get identity hash code.
444      */
445     public final int identityHashCodeShift = getConstant("markOopDesc::hash_shift", Integer.class);
446 
447     /**
448      * Identity hash code value when uninitialized.
449      */
450     public final int uninitializedIdentityHashCodeValue = getConstant("markOopDesc::no_hash", Integer.class);
451 
452     public final int methodAccessFlagsOffset = getFieldOffset("Method::_access_flags", Integer.class, "AccessFlags");
453     public final int methodConstMethodOffset = getFieldOffset("Method::_constMethod", Integer.class, "ConstMethod*");
454     public final int methodIntrinsicIdOffset = versioned.methodIntrinsicIdOffset;
455     public final int methodFlagsOffset = versioned.methodFlagsOffset;
456     public final int methodVtableIndexOffset = getFieldOffset("Method::_vtable_index", Integer.class, "int");
457 
458     public final int methodCountersOffset = getFieldOffset("Method::_method_counters", Integer.class, "MethodCounters*");
459     public final int methodDataOffset = getFieldOffset("Method::_method_data", Integer.class, "MethodData*");
460     public final int methodCompiledEntryOffset = getFieldOffset("Method::_from_compiled_entry", Integer.class, "address");
461     public final int methodCodeOffset = versioned.methodCodeOffset;
462 
463     public final int methodFlagsCallerSensitive = getConstant("Method::_caller_sensitive", Integer.class);
464     public final int methodFlagsForceInline = getConstant("Method::_force_inline", Integer.class);
465     public final int methodFlagsDontInline = getConstant("Method::_dont_inline", Integer.class);
466     public final int methodFlagsHidden = getConstant("Method::_hidden", Integer.class);
467     public final int nonvirtualVtableIndex = getConstant("Method::nonvirtual_vtable_index", Integer.class);
468     public final int invalidVtableIndex = getConstant("Method::invalid_vtable_index", Integer.class);
469 
470     public final int invocationCounterOffset = getFieldOffset("MethodCounters::_invocation_counter", Integer.class, "InvocationCounter");
471     public final int backedgeCounterOffset = getFieldOffset("MethodCounters::_backedge_counter", Integer.class, "InvocationCounter");
472     public final int invocationCounterIncrement = versioned.invocationCounterIncrement;
473     public final int invocationCounterShift = versioned.invocationCounterShift;
474 
475     public final int nmethodEntryOffset = getFieldOffset("nmethod::_verified_entry_point",
476                     Integer.class, "address");
477     public final int compilationLevelFullOptimization = getConstant("CompLevel_full_optimization",
478                     Integer.class);
479 
480     public final int constantPoolSize = getFieldValue("CompilerToVM::Data::sizeof_ConstantPool", Integer.class, "int");
481     public final int constantPoolLengthOffset = getFieldOffset("ConstantPool::_length",
482                     Integer.class, "int");
483 
484     public final int heapWordSize = getConstant("HeapWordSize", Integer.class);
485 
486     /**
487      * Bit pattern that represents a non-oop. Neither the high bits nor the low bits of this value
488      * are allowed to look like (respectively) the high or low bits of a real oop.
489      */
490     public final long nonOopBits = getFieldValue("CompilerToVM::Data::Universe_non_oop_bits", Long.class, "void*");
491 
492     public final long verifyOopCounterAddress = getFieldAddress("StubRoutines::_verify_oop_count", "jint");
493     public final long verifyOopMask = getFieldValue("CompilerToVM::Data::Universe_verify_oop_mask", Long.class, "uintptr_t");
494     public final long verifyOopBits = getFieldValue("CompilerToVM::Data::Universe_verify_oop_bits", Long.class, "uintptr_t");
495 
496     public final int logOfHRGrainBytes = getFieldValue("HeapRegion::LogOfHRGrainBytes", Integer.class, "int");
497 
498     public final long cardtableStartAddress = getFieldValue("CompilerToVM::Data::cardtable_start_address", Long.class, "jbyte*");
499     public final int cardtableShift = getFieldValue("CompilerToVM::Data::cardtable_shift", Integer.class, "int");
500 
501     /**
502      * This is the largest stack offset encodeable in an OopMapValue. Offsets larger than this will
503      * throw an exception during code installation.
504      */
505     public final int maxOopMapStackOffset = getFieldValue("CompilerToVM::Data::_max_oop_map_stack_offset", Integer.class, "int");
506 
507     public final long safepointPollingAddress = getFieldValue("os::_polling_page", Long.class, "address");
508 
509     // G1 Collector Related Values.
510 
511     public final byte dirtyCardValue = versioned.dirtyCardValue;
512     public final byte g1YoungCardValue = versioned.g1YoungCardValue;
513 
514     public final int g1SATBQueueMarkingOffset = versioned.g1SATBQueueMarkingOffset;
515     public final int g1SATBQueueIndexOffset = versioned.g1SATBQueueIndexOffset;
516     public final int g1SATBQueueBufferOffset = versioned.g1SATBQueueBufferOffset;
517     public final int g1CardQueueIndexOffset = versioned.g1CardQueueIndexOffset;
518     public final int g1CardQueueBufferOffset = versioned.g1CardQueueBufferOffset;
519 
520     public final int klassOffset = getFieldValue("java_lang_Class::_klass_offset", Integer.class, "int");
521     public final int arrayKlassOffset = getFieldValue("java_lang_Class::_array_klass_offset", Integer.class, "int");
522 
523     public final int basicLockSize = getFieldValue("CompilerToVM::Data::sizeof_BasicLock", Integer.class, "int");
524     public final int basicLockDisplacedHeaderOffset = getFieldOffset("BasicLock::_displaced_header", Integer.class, "markOop");
525 
526     public final int threadPollingPageOffset = getFieldOffset("Thread::_polling_page", Integer.class, "address", -1);
527     public final int threadAllocatedBytesOffset = getFieldOffset("Thread::_allocated_bytes", Integer.class, "jlong");
528 
529     public final int tlabRefillWasteIncrement = getFlag("TLABWasteIncrement", Integer.class);
530 
531     private final int threadLocalAllocBufferStartOffset = getFieldOffset("ThreadLocalAllocBuffer::_start", Integer.class, "HeapWord*");
532     private final int threadLocalAllocBufferEndOffset = getFieldOffset("ThreadLocalAllocBuffer::_end", Integer.class, "HeapWord*");
533     private final int threadLocalAllocBufferTopOffset = getFieldOffset("ThreadLocalAllocBuffer::_top", Integer.class, "HeapWord*");
534     private final int threadLocalAllocBufferPfTopOffset = getFieldOffset("ThreadLocalAllocBuffer::_pf_top", Integer.class, "HeapWord*");
535     private final int threadLocalAllocBufferSlowAllocationsOffset = getFieldOffset("ThreadLocalAllocBuffer::_slow_allocations", Integer.class, "unsigned");
536     private final int threadLocalAllocBufferFastRefillWasteOffset = getFieldOffset("ThreadLocalAllocBuffer::_fast_refill_waste", Integer.class, "unsigned");
537     private final int threadLocalAllocBufferNumberOfRefillsOffset = getFieldOffset("ThreadLocalAllocBuffer::_number_of_refills", Integer.class, "unsigned");
538     private final int threadLocalAllocBufferRefillWasteLimitOffset = getFieldOffset("ThreadLocalAllocBuffer::_refill_waste_limit", Integer.class, "size_t");
539     private final int threadLocalAllocBufferDesiredSizeOffset = getFieldOffset("ThreadLocalAllocBuffer::_desired_size", Integer.class, "size_t");
540 
tlabSlowAllocationsOffset()541     public int tlabSlowAllocationsOffset() {
542         return threadTlabOffset + threadLocalAllocBufferSlowAllocationsOffset;
543     }
544 
tlabFastRefillWasteOffset()545     public int tlabFastRefillWasteOffset() {
546         return threadTlabOffset + threadLocalAllocBufferFastRefillWasteOffset;
547     }
548 
tlabNumberOfRefillsOffset()549     public int tlabNumberOfRefillsOffset() {
550         return threadTlabOffset + threadLocalAllocBufferNumberOfRefillsOffset;
551     }
552 
tlabRefillWasteLimitOffset()553     public int tlabRefillWasteLimitOffset() {
554         return threadTlabOffset + threadLocalAllocBufferRefillWasteLimitOffset;
555     }
556 
threadTlabSizeOffset()557     public int threadTlabSizeOffset() {
558         return threadTlabOffset + threadLocalAllocBufferDesiredSizeOffset;
559     }
560 
threadTlabStartOffset()561     public int threadTlabStartOffset() {
562         return threadTlabOffset + threadLocalAllocBufferStartOffset;
563     }
564 
threadTlabEndOffset()565     public int threadTlabEndOffset() {
566         return threadTlabOffset + threadLocalAllocBufferEndOffset;
567     }
568 
threadTlabTopOffset()569     public int threadTlabTopOffset() {
570         return threadTlabOffset + threadLocalAllocBufferTopOffset;
571     }
572 
threadTlabPfTopOffset()573     public int threadTlabPfTopOffset() {
574         return threadTlabOffset + threadLocalAllocBufferPfTopOffset;
575     }
576 
577     public final int tlabAlignmentReserve = getFieldValue("CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve", Integer.class, "size_t");
578 
579     public final boolean tlabStats = getFlag("TLABStats", Boolean.class);
580 
581     // FIXME This is only temporary until the GC code is changed.
582     public final boolean inlineContiguousAllocationSupported = getFieldValue("CompilerToVM::Data::_supports_inline_contig_alloc", Boolean.class);
583     public final long heapEndAddress = getFieldValue("CompilerToVM::Data::_heap_end_addr", Long.class, "HeapWord**");
584     public final long heapTopAddress = versioned.heapTopAddress;
585 
586     public final boolean cmsIncrementalMode = getFlag("CMSIncrementalMode", Boolean.class, false);
587 
588     public final long inlineCacheMissStub = getFieldValue("CompilerToVM::Data::SharedRuntime_ic_miss_stub", Long.class, "address");
589     public final long handleWrongMethodStub = getFieldValue("CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub", Long.class, "address");
590 
591     public final long handleDeoptStub = getFieldValue("CompilerToVM::Data::SharedRuntime_deopt_blob_unpack", Long.class, "address");
592     public final long uncommonTrapStub = getFieldValue("CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap", Long.class, "address");
593 
594     public final long codeCacheLowBound = versioned.codeCacheLowBound;
595     public final long codeCacheHighBound = versioned.codeCacheHighBound;
596 
597     public final long aescryptEncryptBlockStub = getFieldValue("StubRoutines::_aescrypt_encryptBlock", Long.class, "address");
598     public final long aescryptDecryptBlockStub = getFieldValue("StubRoutines::_aescrypt_decryptBlock", Long.class, "address");
599     public final long cipherBlockChainingEncryptAESCryptStub = getFieldValue("StubRoutines::_cipherBlockChaining_encryptAESCrypt", Long.class, "address");
600     public final long cipherBlockChainingDecryptAESCryptStub = getFieldValue("StubRoutines::_cipherBlockChaining_decryptAESCrypt", Long.class, "address");
601     public final long updateBytesCRC32Stub = getFieldValue("StubRoutines::_updateBytesCRC32", Long.class, "address");
602     public final long crcTableAddress = getFieldValue("StubRoutines::_crc_table_adr", Long.class, "address");
603 
604     public final long sha1ImplCompress = getFieldValue("StubRoutines::_sha1_implCompress", Long.class, "address", 0L);
605     public final long sha1ImplCompressMB = getFieldValue("StubRoutines::_sha1_implCompressMB", Long.class, "address", 0L);
606     public final long sha256ImplCompress = getFieldValue("StubRoutines::_sha256_implCompress", Long.class, "address", 0L);
607     public final long sha256ImplCompressMB = getFieldValue("StubRoutines::_sha256_implCompressMB", Long.class, "address", 0L);
608     public final long sha512ImplCompress = getFieldValue("StubRoutines::_sha512_implCompress", Long.class, "address", 0L);
609     public final long sha512ImplCompressMB = getFieldValue("StubRoutines::_sha512_implCompressMB", Long.class, "address", 0L);
610     public final long multiplyToLen = getFieldValue("StubRoutines::_multiplyToLen", Long.class, "address", longRequiredOnAMD64);
611 
612     public final long counterModeAESCrypt = getFieldValue("StubRoutines::_counterMode_AESCrypt", Long.class, "address", 0L);
613     public final long ghashProcessBlocks = getFieldValue("StubRoutines::_ghash_processBlocks", Long.class, "address", 0L);
614     public final long crc32cTableTddr = getFieldValue("StubRoutines::_crc32c_table_addr", Long.class, "address", 0L);
615     public final long updateBytesCRC32C = getFieldValue("StubRoutines::_updateBytesCRC32C", Long.class, "address", 0L);
616     public final long updateBytesAdler32 = getFieldValue("StubRoutines::_updateBytesAdler32", Long.class, "address", 0L);
617     public final long squareToLen = getFieldValue("StubRoutines::_squareToLen", Long.class, "address", longRequiredOnAMD64);
618     public final long mulAdd = getFieldValue("StubRoutines::_mulAdd", Long.class, "address", longRequiredOnAMD64);
619     public final long montgomeryMultiply = getFieldValue("StubRoutines::_montgomeryMultiply", Long.class, "address", longRequiredOnAMD64);
620     public final long montgomerySquare = getFieldValue("StubRoutines::_montgomerySquare", Long.class, "address", longRequiredOnAMD64);
621     public final long vectorizedMismatch = getFieldValue("StubRoutines::_vectorizedMismatch", Long.class, "address", 0L);
622 
623     public final long throwDelayedStackOverflowErrorEntry = versioned.throwDelayedStackOverflowErrorEntry;
624 
625     public final long jbyteArraycopy = getFieldValue("StubRoutines::_jbyte_arraycopy", Long.class, "address");
626     public final long jshortArraycopy = getFieldValue("StubRoutines::_jshort_arraycopy", Long.class, "address");
627     public final long jintArraycopy = getFieldValue("StubRoutines::_jint_arraycopy", Long.class, "address");
628     public final long jlongArraycopy = getFieldValue("StubRoutines::_jlong_arraycopy", Long.class, "address");
629     public final long oopArraycopy = getFieldValue("StubRoutines::_oop_arraycopy", Long.class, "address");
630     public final long oopArraycopyUninit = getFieldValue("StubRoutines::_oop_arraycopy_uninit", Long.class, "address");
631     public final long jbyteDisjointArraycopy = getFieldValue("StubRoutines::_jbyte_disjoint_arraycopy", Long.class, "address");
632     public final long jshortDisjointArraycopy = getFieldValue("StubRoutines::_jshort_disjoint_arraycopy", Long.class, "address");
633     public final long jintDisjointArraycopy = getFieldValue("StubRoutines::_jint_disjoint_arraycopy", Long.class, "address");
634     public final long jlongDisjointArraycopy = getFieldValue("StubRoutines::_jlong_disjoint_arraycopy", Long.class, "address");
635     public final long oopDisjointArraycopy = getFieldValue("StubRoutines::_oop_disjoint_arraycopy", Long.class, "address");
636     public final long oopDisjointArraycopyUninit = getFieldValue("StubRoutines::_oop_disjoint_arraycopy_uninit", Long.class, "address");
637     public final long jbyteAlignedArraycopy = getFieldValue("StubRoutines::_arrayof_jbyte_arraycopy", Long.class, "address");
638     public final long jshortAlignedArraycopy = getFieldValue("StubRoutines::_arrayof_jshort_arraycopy", Long.class, "address");
639     public final long jintAlignedArraycopy = getFieldValue("StubRoutines::_arrayof_jint_arraycopy", Long.class, "address");
640     public final long jlongAlignedArraycopy = getFieldValue("StubRoutines::_arrayof_jlong_arraycopy", Long.class, "address");
641     public final long oopAlignedArraycopy = getFieldValue("StubRoutines::_arrayof_oop_arraycopy", Long.class, "address");
642     public final long oopAlignedArraycopyUninit = getFieldValue("StubRoutines::_arrayof_oop_arraycopy_uninit", Long.class, "address");
643     public final long jbyteAlignedDisjointArraycopy = getFieldValue("StubRoutines::_arrayof_jbyte_disjoint_arraycopy", Long.class, "address");
644     public final long jshortAlignedDisjointArraycopy = getFieldValue("StubRoutines::_arrayof_jshort_disjoint_arraycopy", Long.class, "address");
645     public final long jintAlignedDisjointArraycopy = getFieldValue("StubRoutines::_arrayof_jint_disjoint_arraycopy", Long.class, "address");
646     public final long jlongAlignedDisjointArraycopy = getFieldValue("StubRoutines::_arrayof_jlong_disjoint_arraycopy", Long.class, "address");
647     public final long oopAlignedDisjointArraycopy = getFieldValue("StubRoutines::_arrayof_oop_disjoint_arraycopy", Long.class, "address");
648     public final long oopAlignedDisjointArraycopyUninit = getFieldValue("StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit", Long.class, "address");
649     public final long checkcastArraycopy = getFieldValue("StubRoutines::_checkcast_arraycopy", Long.class, "address");
650     public final long checkcastArraycopyUninit = getFieldValue("StubRoutines::_checkcast_arraycopy_uninit", Long.class, "address");
651     public final long unsafeArraycopy = getFieldValue("StubRoutines::_unsafe_arraycopy", Long.class, "address");
652     public final long genericArraycopy = getFieldValue("StubRoutines::_generic_arraycopy", Long.class, "address");
653 
654     // Allocation stubs that throw an exception when allocation fails
655     public final long newInstanceAddress = getAddress("JVMCIRuntime::new_instance");
656     public final long newArrayAddress = getAddress("JVMCIRuntime::new_array");
657     public final long newMultiArrayAddress = getAddress("JVMCIRuntime::new_multi_array");
658     public final long dynamicNewInstanceAddress = getAddress("JVMCIRuntime::dynamic_new_instance");
659 
660     // Allocation stubs that return null when allocation fails
661     public final long newInstanceOrNullAddress = getAddress("JVMCIRuntime::new_instance_or_null", 0L);
662     public final long newArrayOrNullAddress = getAddress("JVMCIRuntime::new_array_or_null", 0L);
663     public final long newMultiArrayOrNullAddress = getAddress("JVMCIRuntime::new_multi_array_or_null", 0L);
664     public final long dynamicNewInstanceOrNullAddress = getAddress("JVMCIRuntime::dynamic_new_instance_or_null", 0L);
665 
areNullAllocationStubsAvailable()666     public boolean areNullAllocationStubsAvailable() {
667         return newInstanceOrNullAddress != 0L;
668     }
669 
670     /**
671      * Checks that HotSpot implements all or none of the allocate-or-null stubs.
672      */
checkNullAllocationStubs()673     private boolean checkNullAllocationStubs() {
674         if (newInstanceOrNullAddress == 0L) {
675             assert newArrayOrNullAddress == 0L;
676             assert newMultiArrayOrNullAddress == 0L;
677             assert dynamicNewInstanceOrNullAddress == 0L;
678         } else {
679             assert newArrayOrNullAddress != 0L;
680             assert newMultiArrayOrNullAddress != 0L;
681             assert dynamicNewInstanceOrNullAddress != 0L;
682         }
683         return true;
684     }
685 
686     public final long threadIsInterruptedAddress = getAddress("JVMCIRuntime::thread_is_interrupted");
687     public final long vmMessageAddress = getAddress("JVMCIRuntime::vm_message");
688     public final long identityHashCodeAddress = getAddress("JVMCIRuntime::identity_hash_code");
689     public final long exceptionHandlerForPcAddress = getAddress("JVMCIRuntime::exception_handler_for_pc");
690     public final long monitorenterAddress = getAddress("JVMCIRuntime::monitorenter");
691     public final long monitorexitAddress = getAddress("JVMCIRuntime::monitorexit");
692     public final long notifyAddress = getAddress("JVMCIRuntime::object_notify", 0L);
693     public final long notifyAllAddress = getAddress("JVMCIRuntime::object_notifyAll", 0L);
694     public final long throwAndPostJvmtiExceptionAddress = getAddress("JVMCIRuntime::throw_and_post_jvmti_exception");
695     public final long throwKlassExternalNameExceptionAddress = getAddress("JVMCIRuntime::throw_klass_external_name_exception");
696     public final long throwClassCastExceptionAddress = getAddress("JVMCIRuntime::throw_class_cast_exception");
697     public final long logPrimitiveAddress = getAddress("JVMCIRuntime::log_primitive");
698     public final long logObjectAddress = getAddress("JVMCIRuntime::log_object");
699     public final long logPrintfAddress = getAddress("JVMCIRuntime::log_printf");
700     public final long vmErrorAddress = getAddress("JVMCIRuntime::vm_error");
701     public final long loadAndClearExceptionAddress = getAddress("JVMCIRuntime::load_and_clear_exception");
702     public final long writeBarrierPreAddress = getAddress("JVMCIRuntime::write_barrier_pre");
703     public final long writeBarrierPostAddress = getAddress("JVMCIRuntime::write_barrier_post");
704     public final long validateObject = getAddress("JVMCIRuntime::validate_object");
705 
706     public final long testDeoptimizeCallInt = getAddress("JVMCIRuntime::test_deoptimize_call_int");
707 
708     public final long registerFinalizerAddress = getAddress("SharedRuntime::register_finalizer");
709     public final long exceptionHandlerForReturnAddressAddress = getAddress("SharedRuntime::exception_handler_for_return_address");
710     public final long osrMigrationEndAddress = getAddress("SharedRuntime::OSR_migration_end");
711     public final long enableStackReservedZoneAddress = versioned.enableStackReservedZoneAddress;
712 
713     public final long javaTimeMillisAddress = getAddress("os::javaTimeMillis");
714     public final long javaTimeNanosAddress = getAddress("os::javaTimeNanos");
715     public final long arithmeticSinAddress = getFieldValue("CompilerToVM::Data::dsin", Long.class, "address");
716     public final long arithmeticCosAddress = getFieldValue("CompilerToVM::Data::dcos", Long.class, "address");
717     public final long arithmeticTanAddress = getFieldValue("CompilerToVM::Data::dtan", Long.class, "address");
718     public final long arithmeticExpAddress = getFieldValue("CompilerToVM::Data::dexp", Long.class, "address");
719     public final long arithmeticLogAddress = getFieldValue("CompilerToVM::Data::dlog", Long.class, "address");
720     public final long arithmeticLog10Address = getFieldValue("CompilerToVM::Data::dlog10", Long.class, "address");
721     public final long arithmeticPowAddress = getFieldValue("CompilerToVM::Data::dpow", Long.class, "address");
722 
723     public final long fremAddress = getAddress("SharedRuntime::frem");
724     public final long dremAddress = getAddress("SharedRuntime::drem");
725 
726     public final int jvmciCountersSize = getFlag("JVMCICounterSize", Integer.class);
727 
728     public final long deoptimizationFetchUnrollInfo = getAddress("Deoptimization::fetch_unroll_info");
729     public final long deoptimizationUncommonTrap = getAddress("Deoptimization::uncommon_trap");
730     public final long deoptimizationUnpackFrames = getAddress("Deoptimization::unpack_frames");
731 
732     public final int deoptimizationUnpackDeopt = getConstant("Deoptimization::Unpack_deopt", Integer.class);
733     public final int deoptimizationUnpackException = getConstant("Deoptimization::Unpack_exception", Integer.class);
734     public final int deoptimizationUnpackUncommonTrap = getConstant("Deoptimization::Unpack_uncommon_trap", Integer.class);
735     public final int deoptimizationUnpackReexecute = getConstant("Deoptimization::Unpack_reexecute", Integer.class);
736 
737     public final int deoptimizationUnrollBlockSizeOfDeoptimizedFrameOffset = getFieldOffset("Deoptimization::UnrollBlock::_size_of_deoptimized_frame", Integer.class, "int");
738     public final int deoptimizationUnrollBlockCallerAdjustmentOffset = getFieldOffset("Deoptimization::UnrollBlock::_caller_adjustment", Integer.class, "int");
739     public final int deoptimizationUnrollBlockNumberOfFramesOffset = getFieldOffset("Deoptimization::UnrollBlock::_number_of_frames", Integer.class, "int");
740     public final int deoptimizationUnrollBlockTotalFrameSizesOffset = getFieldOffset("Deoptimization::UnrollBlock::_total_frame_sizes", Integer.class, "int");
741     public final int deoptimizationUnrollBlockUnpackKindOffset = getFieldOffset("Deoptimization::UnrollBlock::_unpack_kind", Integer.class, "int");
742     public final int deoptimizationUnrollBlockFrameSizesOffset = getFieldOffset("Deoptimization::UnrollBlock::_frame_sizes", Integer.class, "intptr_t*");
743     public final int deoptimizationUnrollBlockFramePcsOffset = getFieldOffset("Deoptimization::UnrollBlock::_frame_pcs", Integer.class, "address*");
744     public final int deoptimizationUnrollBlockInitialInfoOffset = getFieldOffset("Deoptimization::UnrollBlock::_initial_info", Integer.class, "intptr_t");
745 
746     // Checkstyle: stop
747     public final int MARKID_VERIFIED_ENTRY = getConstant("CodeInstaller::VERIFIED_ENTRY", Integer.class);
748     public final int MARKID_UNVERIFIED_ENTRY = getConstant("CodeInstaller::UNVERIFIED_ENTRY", Integer.class);
749     public final int MARKID_OSR_ENTRY = getConstant("CodeInstaller::OSR_ENTRY", Integer.class);
750     public final int MARKID_EXCEPTION_HANDLER_ENTRY = getConstant("CodeInstaller::EXCEPTION_HANDLER_ENTRY", Integer.class);
751     public final int MARKID_DEOPT_HANDLER_ENTRY = getConstant("CodeInstaller::DEOPT_HANDLER_ENTRY", Integer.class);
752     public final int MARKID_INVOKEINTERFACE = getConstant("CodeInstaller::INVOKEINTERFACE", Integer.class);
753     public final int MARKID_INVOKEVIRTUAL = getConstant("CodeInstaller::INVOKEVIRTUAL", Integer.class);
754     public final int MARKID_INVOKESTATIC = getConstant("CodeInstaller::INVOKESTATIC", Integer.class);
755     public final int MARKID_INVOKESPECIAL = getConstant("CodeInstaller::INVOKESPECIAL", Integer.class);
756     public final int MARKID_INLINE_INVOKE = getConstant("CodeInstaller::INLINE_INVOKE", Integer.class);
757     public final int MARKID_POLL_NEAR = getConstant("CodeInstaller::POLL_NEAR", Integer.class);
758     public final int MARKID_POLL_RETURN_NEAR = getConstant("CodeInstaller::POLL_RETURN_NEAR", Integer.class);
759     public final int MARKID_POLL_FAR = getConstant("CodeInstaller::POLL_FAR", Integer.class);
760     public final int MARKID_POLL_RETURN_FAR = getConstant("CodeInstaller::POLL_RETURN_FAR", Integer.class);
761     public final int MARKID_CARD_TABLE_SHIFT = getConstant("CodeInstaller::CARD_TABLE_SHIFT", Integer.class);
762     public final int MARKID_CARD_TABLE_ADDRESS = getConstant("CodeInstaller::CARD_TABLE_ADDRESS", Integer.class);
763     public final int MARKID_INVOKE_INVALID = getConstant("CodeInstaller::INVOKE_INVALID", Integer.class);
764 
765     /**
766      * The following constants are given default values here since they are missing in the native
767      * JVMCI-8 code but are still required for {@link GraalHotSpotVMConfigNode#canonical} to work in
768      * a JDK8 environment.
769      */
770     public final int MARKID_HEAP_TOP_ADDRESS = getConstant("CodeInstaller::HEAP_TOP_ADDRESS", Integer.class, 17);
771     public final int MARKID_HEAP_END_ADDRESS = getConstant("CodeInstaller::HEAP_END_ADDRESS", Integer.class, 18);
772     public final int MARKID_NARROW_KLASS_BASE_ADDRESS = getConstant("CodeInstaller::NARROW_KLASS_BASE_ADDRESS", Integer.class, 19);
773     public final int MARKID_NARROW_OOP_BASE_ADDRESS = getConstant("CodeInstaller::NARROW_OOP_BASE_ADDRESS", Integer.class, 20);
774     public final int MARKID_CRC_TABLE_ADDRESS = getConstant("CodeInstaller::CRC_TABLE_ADDRESS", Integer.class, 21);
775     public final int MARKID_LOG_OF_HEAP_REGION_GRAIN_BYTES = getConstant("CodeInstaller::LOG_OF_HEAP_REGION_GRAIN_BYTES", Integer.class, 22);
776     public final int MARKID_INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED = getConstant("CodeInstaller::INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED", Integer.class, 23);
777 
778     // Checkstyle: resume
779 
check()780     protected boolean check() {
781         for (Field f : getClass().getDeclaredFields()) {
782             int modifiers = f.getModifiers();
783             if (Modifier.isPublic(modifiers) && !Modifier.isStatic(modifiers)) {
784                 assert Modifier.isFinal(modifiers) : "field should be final: " + f;
785             }
786         }
787 
788         assert codeEntryAlignment > 0 : codeEntryAlignment;
789         assert checkNullAllocationStubs();
790         return true;
791     }
792 }
793