299
300 public final int fieldInfoAccessFlagsOffset = getConstant("FieldInfo::access_flags_offset", Integer.class);
301 public final int fieldInfoNameIndexOffset = getConstant("FieldInfo::name_index_offset", Integer.class);
302 public final int fieldInfoSignatureIndexOffset = getConstant("FieldInfo::signature_index_offset", Integer.class);
303 public final int fieldInfoInitvalIndexOffset = getConstant("FieldInfo::initval_index_offset", Integer.class);
304 public final int fieldInfoLowPackedOffset = getConstant("FieldInfo::low_packed_offset", Integer.class);
305 public final int fieldInfoHighPackedOffset = getConstant("FieldInfo::high_packed_offset", Integer.class);
306 public final int fieldInfoFieldSlots = getConstant("FieldInfo::field_slots", Integer.class);
307
308 public final int fieldInfoTagSize = getConstant("FIELDINFO_TAG_SIZE", Integer.class);
309
310 public final int jvmAccMonitorMatch = getConstant("JVM_ACC_MONITOR_MATCH", Integer.class);
311 public final int jvmAccHasMonitorBytecodes = getConstant("JVM_ACC_HAS_MONITOR_BYTECODES", Integer.class);
312 public final int jvmAccHasFinalizer = getConstant("JVM_ACC_HAS_FINALIZER", Integer.class);
313 public final int jvmAccFieldInternal = getConstant("JVM_ACC_FIELD_INTERNAL", Integer.class);
314 public final int jvmAccFieldStable = getConstant("JVM_ACC_FIELD_STABLE", Integer.class);
315 public final int jvmAccFieldHasGenericSignature = getConstant("JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE", Integer.class);
316 public final int jvmAccWrittenFlags = getConstant("JVM_ACC_WRITTEN_FLAGS", Integer.class);
317 public final int jvmAccSynthetic = getConstant("JVM_ACC_SYNTHETIC", Integer.class);
318
319 public final int jvmciCompileStateCanPostOnExceptionsOffset = getJvmciCompileStateCanPostOnExceptionsOffset();
320
321 // Integer.MIN_VALUE if not available
322 private int getJvmciCompileStateCanPostOnExceptionsOffset() {
323 int offset = getFieldOffset("JVMCICompileState::_jvmti_can_post_on_exceptions", Integer.class, "jbyte", Integer.MIN_VALUE);
324 if (offset == Integer.MIN_VALUE) {
325 // JDK 12
326 offset = getFieldOffset("JVMCIEnv::_jvmti_can_post_on_exceptions", Integer.class, "jbyte", Integer.MIN_VALUE);
327 }
328 return offset;
329 }
330
331 public final int threadTlabOffset = getFieldOffset("Thread::_tlab", Integer.class, "ThreadLocalAllocBuffer");
332 public final int javaThreadAnchorOffset = getFieldOffset("JavaThread::_anchor", Integer.class, "JavaFrameAnchor");
333 public final int javaThreadShouldPostOnExceptionsFlagOffset = getFieldOffset("JavaThread::_should_post_on_exceptions_flag", Integer.class, "int", Integer.MIN_VALUE);
334 public final int threadObjectOffset = getFieldOffset("JavaThread::_threadObj", Integer.class, "oop");
335 public final int osThreadOffset = getFieldOffset("JavaThread::_osthread", Integer.class, "OSThread*");
336 public final int threadIsMethodHandleReturnOffset = getFieldOffset("JavaThread::_is_method_handle_return", Integer.class, "int");
337 public final int threadObjectResultOffset = getFieldOffset("JavaThread::_vm_result", Integer.class, "oop");
338 public final int jvmciCountersThreadOffset = getFieldOffset("JavaThread::_jvmci_counters", Integer.class, "jlong*");
339 public final int javaThreadReservedStackActivationOffset = versioned.javaThreadReservedStackActivationOffset;
340
341 public boolean requiresReservedStackCheck(List<ResolvedJavaMethod> methods) {
342 if (enableStackReservedZoneAddress != 0 && methods != null) {
343 for (ResolvedJavaMethod method : methods) {
344 if (((HotSpotResolvedJavaMethod) method).hasReservedStackAccess()) {
345 return true;
346 }
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299
300 public final int fieldInfoAccessFlagsOffset = getConstant("FieldInfo::access_flags_offset", Integer.class);
301 public final int fieldInfoNameIndexOffset = getConstant("FieldInfo::name_index_offset", Integer.class);
302 public final int fieldInfoSignatureIndexOffset = getConstant("FieldInfo::signature_index_offset", Integer.class);
303 public final int fieldInfoInitvalIndexOffset = getConstant("FieldInfo::initval_index_offset", Integer.class);
304 public final int fieldInfoLowPackedOffset = getConstant("FieldInfo::low_packed_offset", Integer.class);
305 public final int fieldInfoHighPackedOffset = getConstant("FieldInfo::high_packed_offset", Integer.class);
306 public final int fieldInfoFieldSlots = getConstant("FieldInfo::field_slots", Integer.class);
307
308 public final int fieldInfoTagSize = getConstant("FIELDINFO_TAG_SIZE", Integer.class);
309
310 public final int jvmAccMonitorMatch = getConstant("JVM_ACC_MONITOR_MATCH", Integer.class);
311 public final int jvmAccHasMonitorBytecodes = getConstant("JVM_ACC_HAS_MONITOR_BYTECODES", Integer.class);
312 public final int jvmAccHasFinalizer = getConstant("JVM_ACC_HAS_FINALIZER", Integer.class);
313 public final int jvmAccFieldInternal = getConstant("JVM_ACC_FIELD_INTERNAL", Integer.class);
314 public final int jvmAccFieldStable = getConstant("JVM_ACC_FIELD_STABLE", Integer.class);
315 public final int jvmAccFieldHasGenericSignature = getConstant("JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE", Integer.class);
316 public final int jvmAccWrittenFlags = getConstant("JVM_ACC_WRITTEN_FLAGS", Integer.class);
317 public final int jvmAccSynthetic = getConstant("JVM_ACC_SYNTHETIC", Integer.class);
318
319 public final int jvmciCompileStateCanPostOnExceptionsOffset = getJvmciJvmtiCapabilityOffset("_jvmti_can_post_on_exceptions");
320 public final int jvmciCompileStateCanPopFrameOffset = getJvmciJvmtiCapabilityOffset("_jvmti_can_pop_frame");
321 public final int jvmciCompileStateCanAccessLocalVariablesOffset = getJvmciJvmtiCapabilityOffset("_jvmti_can_access_local_variables");
322
323 // Integer.MIN_VALUE if not available
324 private int getJvmciJvmtiCapabilityOffset(String name) {
325 int offset = getFieldOffset("JVMCICompileState::" + name, Integer.class, "jbyte", Integer.MIN_VALUE);
326 if (offset == Integer.MIN_VALUE) {
327 // JDK 12
328 offset = getFieldOffset("JVMCIEnv::" + name, Integer.class, "jbyte", Integer.MIN_VALUE);
329 }
330 return offset;
331 }
332
333 public final int threadTlabOffset = getFieldOffset("Thread::_tlab", Integer.class, "ThreadLocalAllocBuffer");
334 public final int javaThreadAnchorOffset = getFieldOffset("JavaThread::_anchor", Integer.class, "JavaFrameAnchor");
335 public final int javaThreadShouldPostOnExceptionsFlagOffset = getFieldOffset("JavaThread::_should_post_on_exceptions_flag", Integer.class, "int", Integer.MIN_VALUE);
336 public final int threadObjectOffset = getFieldOffset("JavaThread::_threadObj", Integer.class, "oop");
337 public final int osThreadOffset = getFieldOffset("JavaThread::_osthread", Integer.class, "OSThread*");
338 public final int threadIsMethodHandleReturnOffset = getFieldOffset("JavaThread::_is_method_handle_return", Integer.class, "int");
339 public final int threadObjectResultOffset = getFieldOffset("JavaThread::_vm_result", Integer.class, "oop");
340 public final int jvmciCountersThreadOffset = getFieldOffset("JavaThread::_jvmci_counters", Integer.class, "jlong*");
341 public final int javaThreadReservedStackActivationOffset = versioned.javaThreadReservedStackActivationOffset;
342
343 public boolean requiresReservedStackCheck(List<ResolvedJavaMethod> methods) {
344 if (enableStackReservedZoneAddress != 0 && methods != null) {
345 for (ResolvedJavaMethod method : methods) {
346 if (((HotSpotResolvedJavaMethod) method).hasReservedStackAccess()) {
347 return true;
348 }
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