1 /*
2 * Copyright (c) 2011, 2025, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package jdk.vm.ci.hotspot;
24
25 import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime;
26 import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE;
27
28 import jdk.vm.ci.common.JVMCIError;
29 import jdk.vm.ci.services.Services;
30 import jdk.internal.misc.Unsafe;
31 import jdk.internal.util.Architecture;
32
33 /**
34 * Used to access native configuration details.
35 *
36 * All non-static, public fields in this class are so that they can be compiled as constants.
37 */
38 class HotSpotVMConfig extends HotSpotVMConfigAccess {
39
40 /**
41 * Gets the configuration associated with the singleton {@link HotSpotJVMCIRuntime}.
42 */
43 static HotSpotVMConfig config() {
44 return runtime().getConfig();
45 }
46
47 HotSpotVMConfig(HotSpotVMConfigStore store) {
48 super(store);
49
50 int speculationLengthBits = getConstant("JVMCINMethodData::SPECULATION_LENGTH_BITS", Integer.class);
51 JVMCIError.guarantee(HotSpotSpeculationEncoding.LENGTH_BITS == speculationLengthBits, "%d != %d", HotSpotSpeculationEncoding.LENGTH_BITS, speculationLengthBits);
52 }
53
54 /**
55 * Gets the host architecture name for the purpose of finding the corresponding
56 * {@linkplain HotSpotJVMCIBackendFactory backend}.
57 */
58 static String getHostArchitectureName() {
59 Architecture arch = Architecture.current();
60 switch (arch) {
61 case X64: return "amd64";
62 default: return arch.name().toLowerCase();
63 }
64 }
65
66 final boolean useDeferredInitBarriers = getFlag("ReduceInitialCardMarks", Boolean.class);
67
68 final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class);
69
70 final boolean useClassMetaspaceForAllClasses = getFlag("UseClassMetaspaceForAllClasses", Boolean.class);
71
72 final int objectAlignment = getFlag("ObjectAlignmentInBytes", Integer.class);
73
74 final int klassOffsetInBytes = getFieldValue("CompilerToVM::Data::oopDesc_klass_offset_in_bytes", Integer.class, "int");
75
76 final int subklassOffset = getFieldOffset("Klass::_subklass", Integer.class, "Klass*");
77 final int superOffset = getFieldOffset("Klass::_super", Integer.class, "Klass*");
78 final int nextSiblingOffset = getFieldOffset("Klass::_next_sibling", Integer.class, "Klass*");
79 final int superCheckOffsetOffset = getFieldOffset("Klass::_super_check_offset", Integer.class, "juint");
80 final int secondarySuperCacheOffset = getFieldOffset("Klass::_secondary_super_cache", Integer.class, "Klass*");
81
82 final int classLoaderDataOffset = getFieldOffset("Klass::_class_loader_data", Integer.class, "ClassLoaderData*");
83
84 /**
85 * The offset of the _java_mirror field (of type {@link Class}) in a Klass.
86 */
87 final int javaMirrorOffset = getFieldOffset("Klass::_java_mirror", Integer.class, "OopHandle");
88
89 final int klassAccessFlagsOffset = getFieldOffset("Klass::_access_flags", Integer.class, "AccessFlags");
90 final int klassLayoutHelperOffset = getFieldOffset("Klass::_layout_helper", Integer.class, "jint");
91
92 final int klassLayoutHelperNeutralValue = getConstant("Klass::_lh_neutral_value", Integer.class);
93 final int klassLayoutHelperInstanceSlowPathBit = getConstant("Klass::_lh_instance_slow_path_bit", Integer.class);
94
95 final int vtableEntrySize = getFieldValue("CompilerToVM::Data::sizeof_vtableEntry", Integer.class, "int");
96 final int vtableEntryMethodOffset = getFieldOffset("vtableEntry::_method", Integer.class, "Method*");
97
98 final int instanceKlassInitStateOffset = getFieldOffset("InstanceKlass::_init_state", Integer.class, "InstanceKlass::ClassState");
99 final int instanceKlassConstantsOffset = getFieldOffset("InstanceKlass::_constants", Integer.class, "ConstantPool*");
100 final int instanceKlassFieldInfoStreamOffset = getFieldOffset("InstanceKlass::_fieldinfo_stream", Integer.class, "Array<u1>*");
101 final int instanceKlassAnnotationsOffset = getFieldOffset("InstanceKlass::_annotations", Integer.class, "Annotations*");
102 final int instanceKlassMiscFlagsOffset = getFieldOffset("InstanceKlass::_misc_flags._flags", Integer.class, "u2");
103 final int klassMiscFlagsOffset = getFieldOffset("Klass::_misc_flags._flags", Integer.class, "u1");
104 final int klassVtableStartOffset = getFieldValue("CompilerToVM::Data::Klass_vtable_start_offset", Integer.class, "int");
105 final int klassVtableLengthOffset = getFieldValue("CompilerToVM::Data::Klass_vtable_length_offset", Integer.class, "int");
106
107 final int instanceKlassStateLinked = getConstant("InstanceKlass::linked", Integer.class);
108 final int instanceKlassStateFullyInitialized = getConstant("InstanceKlass::fully_initialized", Integer.class);
109 final int instanceKlassStateBeingInitialized = getConstant("InstanceKlass::being_initialized", Integer.class);
110
111 final int annotationsFieldAnnotationsOffset = getFieldOffset("Annotations::_fields_annotations", Integer.class, "Array<AnnotationArray*>*");
112 final int annotationsClassAnnotationsOffset = getFieldOffset("Annotations::_class_annotations", Integer.class, "AnnotationArray*");
113 final int fieldsAnnotationsBaseOffset = getFieldValue("CompilerToVM::Data::_fields_annotations_base_offset", Integer.class, "int");
114
115 final int arrayU1LengthOffset = getFieldOffset("Array<int>::_length", Integer.class, "int");
116 final int arrayU1DataOffset = getFieldOffset("Array<u1>::_data", Integer.class);
117 final int arrayU2DataOffset = getFieldOffset("Array<u2>::_data", Integer.class);
118
119 final int jvmAccHasFinalizer = getConstant("KlassFlags::_misc_has_finalizer", Integer.class);
120 final int jvmFieldFlagInternalShift = getConstant("FieldInfo::FieldFlags::_ff_injected", Integer.class);
121 final int jvmFieldFlagStableShift = getConstant("FieldInfo::FieldFlags::_ff_stable", Integer.class);
122 final int jvmAccIsCloneableFast = getConstant("KlassFlags::_misc_is_cloneable_fast", Integer.class);
123
124 // These modifiers are not public in Modifier so we get them via vmStructs.
125 final int jvmAccSynthetic = getConstant("JVM_ACC_SYNTHETIC", Integer.class);
126 final int jvmAccAnnotation = getConstant("JVM_ACC_ANNOTATION", Integer.class);
127 final int jvmAccBridge = getConstant("JVM_ACC_BRIDGE", Integer.class);
128 final int jvmAccVarargs = getConstant("JVM_ACC_VARARGS", Integer.class);
129 final int jvmAccEnum = getConstant("JVM_ACC_ENUM", Integer.class);
130 final int jvmAccInterface = getConstant("JVM_ACC_INTERFACE", Integer.class);
131
132 final int jvmMiscFlagsHasDefaultMethods = getConstant("InstanceKlassFlags::_misc_has_nonstatic_concrete_methods", Integer.class);
133 final int jvmMiscFlagsDeclaresDefaultMethods = getConstant("InstanceKlassFlags::_misc_declares_nonstatic_concrete_methods", Integer.class);
134
135 // This is only valid on AMD64.
136 final int runtimeCallStackSize = getConstant("frame::arg_reg_save_area_bytes", Integer.class, Architecture.isX64() ? null : 0);
137
138 private final int markWordNoHashInPlace = getConstant("markWord::no_hash_in_place", Integer.class);
139 private final int markWordNoLockInPlace = getConstant("markWord::no_lock_in_place", Integer.class);
140
141 /**
142 * See {@code markWord::prototype()}.
143 */
144 long prototypeMarkWord() {
145 return markWordNoHashInPlace | markWordNoLockInPlace;
146 }
147
148 final int methodAccessFlagsOffset = getFieldOffset("Method::_access_flags", Integer.class, "AccessFlags");
149 final int methodConstMethodOffset = getFieldOffset("Method::_constMethod", Integer.class, "ConstMethod*");
150 final int methodIntrinsicIdOffset = getFieldOffset("Method::_intrinsic_id", Integer.class, "u2");
151 final int methodFlagsOffset = getFieldOffset("Method::_flags._status", Integer.class, "u4");
152 final int methodVtableIndexOffset = getFieldOffset("Method::_vtable_index", Integer.class, "int");
153
154 final int methodDataOffset = getFieldOffset("Method::_method_data", Integer.class, "MethodData*");
155 final int methodCodeOffset = getFieldOffset("Method::_code", Integer.class, "nmethod*");
156
157 final int methodFlagsForceInline = getConstant("MethodFlags::_misc_force_inline", Integer.class);
158 final int methodFlagsDontInline = getConstant("MethodFlags::_misc_dont_inline", Integer.class);
159 final int nonvirtualVtableIndex = getConstant("Method::nonvirtual_vtable_index", Integer.class);
160 final int invalidVtableIndex = getConstant("Method::invalid_vtable_index", Integer.class);
161
162 final int methodDataSize = getFieldOffset("MethodData::_size", Integer.class, "int");
163 final int methodDataDataSize = getFieldOffset("MethodData::_data_size", Integer.class, "int");
164 final int methodDataOopDataOffset = getFieldOffset("MethodData::_data[0]", Integer.class, "intptr_t");
165 final int methodDataOopTrapHistoryOffset = getFieldOffset("MethodData::_compiler_counters._trap_hist._array[0]", Integer.class, "u1");
166 final int methodDataIRSizeOffset = getFieldOffset("MethodData::_jvmci_ir_size", Integer.class, "int");
167
168 final int methodDataDecompiles = getFieldOffset("MethodData::_compiler_counters._nof_decompiles", Integer.class, "uint");
169 final int methodDataOverflowRecompiles = getFieldOffset("MethodData::_compiler_counters._nof_overflow_recompiles", Integer.class, "uint");
170 final int methodDataOverflowTraps = getFieldOffset("MethodData::_compiler_counters._nof_overflow_traps", Integer.class, "uint");
171
172 final int nmethodCompLevelOffset = getFieldOffset("nmethod::_comp_level", Integer.class, "CompLevel");
173
174 final int compilationLevelNone = getConstant("CompLevel_none", Integer.class);
175 final int compilationLevelSimple = getConstant("CompLevel_simple", Integer.class);
176 final int compilationLevelLimitedProfile = getConstant("CompLevel_limited_profile", Integer.class);
177 final int compilationLevelFullProfile = getConstant("CompLevel_full_profile", Integer.class);
178 final int compilationLevelFullOptimization = getConstant("CompLevel_full_optimization", Integer.class);
179
180 final int compLevelAdjustmentNone = getConstant("JVMCIRuntime::none", Integer.class);
181 final int compLevelAdjustmentByHolder = getConstant("JVMCIRuntime::by_holder", Integer.class);
182 final int compLevelAdjustmentByFullSignature = getConstant("JVMCIRuntime::by_full_signature", Integer.class);
183
184 final int invocationEntryBci = getConstant("InvocationEntryBci", Integer.class);
185
186 final int extraStackEntries = getFieldValue("CompilerToVM::Data::Method_extra_stack_entries", Integer.class, "int");
187
188 final int constMethodConstantsOffset = getFieldOffset("ConstMethod::_constants", Integer.class, "ConstantPool*");
189 final int constMethodFlagsOffset = getFieldOffset("ConstMethod::_flags._flags", Integer.class, "u4");
190 final int constMethodCodeSizeOffset = getFieldOffset("ConstMethod::_code_size", Integer.class, "u2");
191 final int constMethodNameIndexOffset = getFieldOffset("ConstMethod::_name_index", Integer.class, "u2");
192 final int constMethodSignatureIndexOffset = getFieldOffset("ConstMethod::_signature_index", Integer.class, "u2");
193 final int constMethodMethodIdnumOffset = getFieldOffset("ConstMethod::_method_idnum", Integer.class, "u2");
194 final int constMethodMaxStackOffset = getFieldOffset("ConstMethod::_max_stack", Integer.class, "u2");
195 final int methodMaxLocalsOffset = getFieldOffset("ConstMethod::_max_locals", Integer.class, "u2");
196
197 final int constMethodFlagsReservedStackAccess = getConstant("ConstMethodFlags::_misc_reserved_stack_access", Integer.class);
198 final int constMethodFlagsCallerSensitive = getConstant("ConstMethodFlags::_misc_caller_sensitive", Integer.class);
199 final int constMethodFlagsIntrinsicCandidate = getConstant("ConstMethodFlags::_misc_intrinsic_candidate", Integer.class);
200 final int constMethodFlagsIsScoped = getConstant("ConstMethodFlags::_misc_is_scoped", Integer.class);
201 final int constMethodFlagsIsOverpass = getConstant("ConstMethodFlags::_misc_is_overpass", Integer.class);
202 final int constMethodHasLineNumberTable = getConstant("ConstMethodFlags::_misc_has_linenumber_table", Integer.class);
203 final int constMethodHasLocalVariableTable = getConstant("ConstMethodFlags::_misc_has_localvariable_table", Integer.class);
204 final int constMethodHasMethodAnnotations = getConstant("ConstMethodFlags::_misc_has_method_annotations", Integer.class);
205 final int constMethodHasParameterAnnotations = getConstant("ConstMethodFlags::_misc_has_parameter_annotations", Integer.class);
206 final int constMethodHasExceptionTable = getConstant("ConstMethodFlags::_misc_has_exception_table", Integer.class);
207
208 final int exceptionTableElementSize = getFieldValue("CompilerToVM::Data::sizeof_ExceptionTableElement", Integer.class, "int");
209 final int exceptionTableElementStartPcOffset = getFieldOffset("ExceptionTableElement::start_pc", Integer.class, "u2");
210 final int exceptionTableElementEndPcOffset = getFieldOffset("ExceptionTableElement::end_pc", Integer.class, "u2");
211 final int exceptionTableElementHandlerPcOffset = getFieldOffset("ExceptionTableElement::handler_pc", Integer.class, "u2");
212 final int exceptionTableElementCatchTypeIndexOffset = getFieldOffset("ExceptionTableElement::catch_type_index", Integer.class, "u2");
213
214 final int localVariableTableElementSize = getFieldValue("CompilerToVM::Data::sizeof_LocalVariableTableElement", Integer.class, "int");
215 final int localVariableTableElementStartBciOffset = getFieldOffset("LocalVariableTableElement::start_bci", Integer.class, "u2");
216 final int localVariableTableElementLengthOffset = getFieldOffset("LocalVariableTableElement::length", Integer.class, "u2");
217 final int localVariableTableElementNameCpIndexOffset = getFieldOffset("LocalVariableTableElement::name_cp_index", Integer.class, "u2");
218 final int localVariableTableElementDescriptorCpIndexOffset = getFieldOffset("LocalVariableTableElement::descriptor_cp_index", Integer.class, "u2");
219 final int localVariableTableElementSlotOffset = getFieldOffset("LocalVariableTableElement::slot", Integer.class, "u2");
220
221 final int constantPoolSize = getFieldValue("CompilerToVM::Data::sizeof_ConstantPool", Integer.class, "int");
222 final int constantPoolTagsOffset = getFieldOffset("ConstantPool::_tags", Integer.class, "Array<u1>*");
223 final int constantPoolHolderOffset = getFieldOffset("ConstantPool::_pool_holder", Integer.class, "InstanceKlass*");
224 final int constantPoolLengthOffset = getFieldOffset("ConstantPool::_length", Integer.class, "int");
225 final int constantPoolFlagsOffset = getFieldOffset("ConstantPool::_flags", Integer.class, "u2");
226
227 final int constantPoolHasDynamicConstant = getConstant("ConstantPool::_has_dynamic_constant", Integer.class);
228 final int constantPoolSourceFileNameIndexOffset = getFieldOffset("ConstantPool::_source_file_name_index", Integer.class, "u2");
229
230 final int jvmConstantUtf8 = getConstant("JVM_CONSTANT_Utf8", Integer.class);
231 final int jvmConstantInteger = getConstant("JVM_CONSTANT_Integer", Integer.class);
232 final int jvmConstantLong = getConstant("JVM_CONSTANT_Long", Integer.class);
233 final int jvmConstantFloat = getConstant("JVM_CONSTANT_Float", Integer.class);
234 final int jvmConstantDouble = getConstant("JVM_CONSTANT_Double", Integer.class);
235 final int jvmConstantClass = getConstant("JVM_CONSTANT_Class", Integer.class);
236 final int jvmConstantUnresolvedClass = getConstant("JVM_CONSTANT_UnresolvedClass", Integer.class);
237 final int jvmConstantUnresolvedClassInError = getConstant("JVM_CONSTANT_UnresolvedClassInError", Integer.class);
238 final int jvmConstantString = getConstant("JVM_CONSTANT_String", Integer.class);
239 final int jvmConstantFieldref = getConstant("JVM_CONSTANT_Fieldref", Integer.class);
240 final int jvmConstantMethodref = getConstant("JVM_CONSTANT_Methodref", Integer.class);
241 final int jvmConstantInterfaceMethodref = getConstant("JVM_CONSTANT_InterfaceMethodref", Integer.class);
242 final int jvmConstantNameAndType = getConstant("JVM_CONSTANT_NameAndType", Integer.class);
243 final int jvmConstantMethodHandle = getConstant("JVM_CONSTANT_MethodHandle", Integer.class);
244 final int jvmConstantMethodHandleInError = getConstant("JVM_CONSTANT_MethodHandleInError", Integer.class);
245 final int jvmConstantMethodType = getConstant("JVM_CONSTANT_MethodType", Integer.class);
246 final int jvmConstantMethodTypeInError = getConstant("JVM_CONSTANT_MethodTypeInError", Integer.class);
247 final int jvmConstantDynamic = getConstant("JVM_CONSTANT_Dynamic", Integer.class);
248 final int jvmConstantDynamicInError = getConstant("JVM_CONSTANT_DynamicInError", Integer.class);
249 final int jvmConstantInvokeDynamic = getConstant("JVM_CONSTANT_InvokeDynamic", Integer.class);
250
251 final int jvmConstantExternalMax = getConstant("JVM_CONSTANT_ExternalMax", Integer.class);
252 final int jvmConstantInternalMin = getConstant("JVM_CONSTANT_InternalMin", Integer.class);
253 final int jvmConstantInternalMax = getConstant("JVM_CONSTANT_InternalMax", Integer.class);
254
255 final int heapWordSize = getConstant("HeapWordSize", Integer.class);
256
257 final long symbolVmSymbols = getFieldAddress("Symbol::_vm_symbols[0]", "Symbol*");
258 final int vmSymbolsFirstSID = getConstant("vmSymbols::FIRST_SID", Integer.class);
259 final int vmSymbolsSIDLimit = getConstant("vmSymbols::SID_LIMIT", Integer.class);
260
261 final long symbolInit = getFieldValue("CompilerToVM::Data::symbol_init", Long.class);
262 final long symbolClinit = getFieldValue("CompilerToVM::Data::symbol_clinit", Long.class);
263
264 /**
265 * Returns the symbol in the {@code vmSymbols} table at position {@code index} as a
266 * {@link String}.
267 *
268 * @param index position in the symbol table
269 * @return the symbol at position id
270 */
271 String symbolAt(int index) {
272 HotSpotJVMCIRuntime runtime = runtime();
273 assert vmSymbolsFirstSID <= index && index < vmSymbolsSIDLimit : "index " + index + " is out of bounds";
274 int offset = index * Unsafe.ADDRESS_SIZE;
275 return runtime.getCompilerToVM().getSymbol(UNSAFE.getAddress(symbolVmSymbols + offset));
276 }
277
278 final int universeBaseVtableSize = getFieldValue("CompilerToVM::Data::Universe_base_vtable_size", Integer.class, "int");
279
280 final int baseVtableLength() {
281 return universeBaseVtableSize / (vtableEntrySize / heapWordSize);
282 }
283
284 final int klassOffset = getFieldValue("java_lang_Class::_klass_offset", Integer.class, "int");
285
286 /**
287 * The DataLayout header size is the same as the cell size.
288 */
289 final int dataLayoutHeaderSize = getConstant("DataLayout::cell_size", Integer.class);
290 final int dataLayoutTagOffset = getFieldOffset("DataLayout::_header._struct._tag", Integer.class, "u1");
291 final int dataLayoutFlagsOffset = getFieldOffset("DataLayout::_header._struct._flags", Integer.class, "u1");
292 final int dataLayoutBCIOffset = getFieldOffset("DataLayout::_header._struct._bci", Integer.class, "u2");
293 final int dataLayoutCellSize = getConstant("DataLayout::cell_size", Integer.class);
294
295 final int dataLayoutNoTag = getConstant("DataLayout::no_tag", Integer.class);
296 final int dataLayoutBitDataTag = getConstant("DataLayout::bit_data_tag", Integer.class);
297 final int dataLayoutCounterDataTag = getConstant("DataLayout::counter_data_tag", Integer.class);
298 final int dataLayoutJumpDataTag = getConstant("DataLayout::jump_data_tag", Integer.class);
299 final int dataLayoutReceiverTypeDataTag = getConstant("DataLayout::receiver_type_data_tag", Integer.class);
300 final int dataLayoutVirtualCallDataTag = getConstant("DataLayout::virtual_call_data_tag", Integer.class);
301 final int dataLayoutRetDataTag = getConstant("DataLayout::ret_data_tag", Integer.class);
302 final int dataLayoutBranchDataTag = getConstant("DataLayout::branch_data_tag", Integer.class);
303 final int dataLayoutMultiBranchDataTag = getConstant("DataLayout::multi_branch_data_tag", Integer.class);
304 final int dataLayoutArgInfoDataTag = getConstant("DataLayout::arg_info_data_tag", Integer.class);
305 final int dataLayoutCallTypeDataTag = getConstant("DataLayout::call_type_data_tag", Integer.class);
306 final int dataLayoutVirtualCallTypeDataTag = getConstant("DataLayout::virtual_call_type_data_tag", Integer.class);
307 final int dataLayoutParametersTypeDataTag = getConstant("DataLayout::parameters_type_data_tag", Integer.class);
308 final int dataLayoutSpeculativeTrapDataTag = getConstant("DataLayout::speculative_trap_data_tag", Integer.class);
309
310 final int bciProfileWidth = getFlag("BciProfileWidth", Integer.class);
311 final int typeProfileWidth = getFlag("TypeProfileWidth", Integer.class);
312 final int methodProfileWidth = getFlag("MethodProfileWidth", Integer.class, 0);
313
314 final int deoptReasonNone = getConstant("Deoptimization::Reason_none", Integer.class);
315 final int deoptReasonNullCheck = getConstant("Deoptimization::Reason_null_check", Integer.class);
316 final int deoptReasonRangeCheck = getConstant("Deoptimization::Reason_range_check", Integer.class);
317 final int deoptReasonClassCheck = getConstant("Deoptimization::Reason_class_check", Integer.class);
318 final int deoptReasonArrayCheck = getConstant("Deoptimization::Reason_array_check", Integer.class);
319 final int deoptReasonUnreached0 = getConstant("Deoptimization::Reason_unreached0", Integer.class);
320 final int deoptReasonTypeCheckInlining = getConstant("Deoptimization::Reason_type_checked_inlining", Integer.class);
321 final int deoptReasonOptimizedTypeCheck = getConstant("Deoptimization::Reason_optimized_type_check", Integer.class);
322 final int deoptReasonNotCompiledExceptionHandler = getConstant("Deoptimization::Reason_not_compiled_exception_handler", Integer.class);
323 final int deoptReasonUnresolved = getConstant("Deoptimization::Reason_unresolved", Integer.class);
324 final int deoptReasonJsrMismatch = getConstant("Deoptimization::Reason_jsr_mismatch", Integer.class);
325 final int deoptReasonDiv0Check = getConstant("Deoptimization::Reason_div0_check", Integer.class);
326 final int deoptReasonConstraint = getConstant("Deoptimization::Reason_constraint", Integer.class);
327 final int deoptReasonLoopLimitCheck = getConstant("Deoptimization::Reason_loop_limit_check", Integer.class);
328 final int deoptReasonAliasing = getConstant("Deoptimization::Reason_aliasing", Integer.class);
329 final int deoptReasonTransferToInterpreter = getConstant("Deoptimization::Reason_transfer_to_interpreter", Integer.class);
330 final int deoptReasonOSROffset = getConstant("Deoptimization::Reason_TRAP_HISTORY_LENGTH", Integer.class);
331
332 final int deoptActionNone = getConstant("Deoptimization::Action_none", Integer.class);
333 final int deoptActionMaybeRecompile = getConstant("Deoptimization::Action_maybe_recompile", Integer.class);
334 final int deoptActionReinterpret = getConstant("Deoptimization::Action_reinterpret", Integer.class);
335 final int deoptActionMakeNotEntrant = getConstant("Deoptimization::Action_make_not_entrant", Integer.class);
336 final int deoptActionMakeNotCompilable = getConstant("Deoptimization::Action_make_not_compilable", Integer.class);
337
338 final int deoptimizationActionBits = getConstant("Deoptimization::_action_bits", Integer.class);
339 final int deoptimizationReasonBits = getConstant("Deoptimization::_reason_bits", Integer.class);
340 final int deoptimizationDebugIdBits = getConstant("Deoptimization::_debug_id_bits", Integer.class);
341 final int deoptimizationActionShift = getConstant("Deoptimization::_action_shift", Integer.class);
342 final int deoptimizationReasonShift = getConstant("Deoptimization::_reason_shift", Integer.class);
343 final int deoptimizationDebugIdShift = getConstant("Deoptimization::_debug_id_shift", Integer.class);
344
345 final int vmIntrinsicInvokeBasic = getConstant("vmIntrinsics::_invokeBasic", Integer.class);
346 final int vmIntrinsicLinkToVirtual = getConstant("vmIntrinsics::_linkToVirtual", Integer.class);
347 final int vmIntrinsicLinkToStatic = getConstant("vmIntrinsics::_linkToStatic", Integer.class);
348 final int vmIntrinsicLinkToSpecial = getConstant("vmIntrinsics::_linkToSpecial", Integer.class);
349 final int vmIntrinsicLinkToInterface = getConstant("vmIntrinsics::_linkToInterface", Integer.class);
350 final int vmIntrinsicLinkToNative = getConstant("vmIntrinsics::_linkToNative", Integer.class);
351
352 final int codeInstallResultOk = getConstant("JVMCI::ok", Integer.class);
353 final int codeInstallResultDependenciesFailed = getConstant("JVMCI::dependencies_failed", Integer.class);
354 final int codeInstallResultCacheFull = getConstant("JVMCI::cache_full", Integer.class);
355 final int codeInstallResultCodeTooLarge = getConstant("JVMCI::code_too_large", Integer.class);
356 final int codeInstallResultNMethodReclaimed = getConstant("JVMCI::nmethod_reclaimed", Integer.class);
357 final int codeInstallResultFirstPermanentBailout = getConstant("JVMCI::first_permanent_bailout", Integer.class);
358
359 String getCodeInstallResultDescription(int codeInstallResult) {
360 if (codeInstallResult == codeInstallResultOk) {
361 return "ok";
362 }
363 if (codeInstallResult == codeInstallResultDependenciesFailed) {
364 return "dependencies failed";
365 }
366 if (codeInstallResult == codeInstallResultCacheFull) {
367 return "code cache is full";
368 }
369 if (codeInstallResult == codeInstallResultCodeTooLarge) {
370 return "code is too large";
371 }
372 if (codeInstallResult == codeInstallResultNMethodReclaimed) {
373 return "nmethod reclaimed";
374 }
375 assert false : codeInstallResult;
376 return "unknown";
377 }
378
379 final int bitDataExceptionSeenFlag = getConstant("BitData::exception_seen_flag", Integer.class);
380 final int bitDataNullSeenFlag = getConstant("BitData::null_seen_flag", Integer.class);
381 final int methodDataCountOffset = getConstant("CounterData::count_off", Integer.class);
382 final int jumpDataTakenOffset = getConstant("JumpData::taken_off_set", Integer.class);
383 final int jumpDataDisplacementOffset = getConstant("JumpData::displacement_off_set", Integer.class);
384 final int receiverTypeDataReceiverTypeRowCellCount = getConstant("ReceiverTypeData::receiver_type_row_cell_count", Integer.class);
385 final int receiverTypeDataReceiver0Offset = getConstant("ReceiverTypeData::receiver0_offset", Integer.class);
386 final int receiverTypeDataCount0Offset = getConstant("ReceiverTypeData::count0_offset", Integer.class);
387 final int branchDataNotTakenOffset = getConstant("BranchData::not_taken_off_set", Integer.class);
388 final int arrayDataArrayLenOffset = getConstant("ArrayData::array_len_off_set", Integer.class);
389 final int arrayDataArrayStartOffset = getConstant("ArrayData::array_start_off_set", Integer.class);
390 final int multiBranchDataPerCaseCellCount = getConstant("MultiBranchData::per_case_cell_count", Integer.class);
391 }