Package jdk.internal.jvmci.meta

Package that defines the interface between a runtime and a Java application that wants to access meta information.

See: Description

Interface Summary

Interface	Description
Constant	Represents a compile-time constant (boxed) value within the compiler.
ConstantPool	Represents the runtime representation of the constant pool that is used by the compiler when parsing bytecode.
ConstantReflectionProvider	Reflection operations on values represented as constants.
InvokeTarget	Represents the resolved target of an invocation.
JavaConstant	Represents a constant (boxed) value, such as an integer, floating point number, or object reference, within the compiler and across the compiler/runtime interface.
JavaField	Represents a reference to a Java field, either resolved or unresolved fields.
JavaMethod	Represents a reference to a Java method, either resolved or unresolved.
JavaType	Represents a resolved or unresolved type.
JavaValue	Interface for things that represent a Java value.
Kind.FormatWithToString	Marker interface for types that should be formatted with their Object.toString() value.
KindProvider	Interface for classes which can be associated with a Kind.
LineNumberTable
Local
LocalVariableTable
MemoryAccessProvider	Provides memory access operations for the target VM.
MetaAccessProvider	Provides access to the metadata of a class typically provided in a class file.
MethodHandleAccessProvider	Interface to access the internals of the MethodHandle implementation of the VM.
MethodIdHolder	An object that can be assigned a globally unique identifier for use as a key in a MethodIdMap.
ModifiersProvider	A Java element (i.e., a class, interface, field or method) that is described by a set of Java language modifiers.
PlatformKind	Represents a platform-specific low-level type for values.
PlatformKind.Key
ProfilingInfo	Provides access to the profiling information of one specific method.
ResolvedJavaField	Represents a reference to a resolved Java field.
ResolvedJavaMethod	Represents a resolved Java method.
ResolvedJavaType	Represents a resolved Java type.
SerializableConstant	Represents a compile-time constant that can be converted to a byte array.
Signature	Represents a method signature provided by the runtime.
TrustedInterface	Interfaces extanding this interface should be trusted by the compiler.
Value	Interface for values manipulated by the compiler.
VMConstant

Class Summary

Class	Description
AbstractJavaProfile<T extends AbstractProfiledItem<U>,U>	This object holds probability information for a set of items that were profiled at a specific BCI.
AbstractProfiledItem<T>	A profiled type that has a probability.
AbstractValue	Abstract base class for values.
AllocatableValue	Common base class for values that are stored in some location that's managed by the register allocator (e.g.
Assumptions	Class for recording assumptions made during compilation.
Assumptions.Assumption	Abstract base class for assumptions.
Assumptions.AssumptionResult<T>	A class for providing information that is only valid in association with a set of Assumptions.Assumptions.
Assumptions.CallSiteTargetValue	An assumption that a given call site's method handle did not change.
Assumptions.ConcreteMethod	An assumption that a given virtual method has a given unique implementation.
Assumptions.ConcreteSubtype	An assumption that a given abstract or interface type has one direct concrete subtype.
Assumptions.LeafType	An assumption that a given type has no subtypes.
Assumptions.NoFinalizableSubclass	An assumption that a given class has no subclasses implementing Object.finalize()).
DefaultProfilingInfo	An implementation of ProfilingInfo that can used in the absence of real profile information.
ExceptionHandler	Represents an exception handler within the bytecodes.
JavaMethodProfile	This profile object represents the method profile at a specific BCI.
JavaMethodProfile.ProfiledMethod
JavaTypeProfile	This profile object represents the type profile at a specific BCI.
JavaTypeProfile.ProfiledType
LineNumberTableImpl
LIRKind	Represents the type of values in the LIR.
LocalImpl
LocalVariableTableImpl
LocationIdentity	Marker interface for location identities.
LocationIdentity.AnyLocationIdentity
MetaUtil	Miscellaneous collection of utility methods used by jdk.internal.jvmci.meta and its clients.
MetaUtil.ClassInfo
MethodIdHolder.MethodIdAllocator	A singleton class for allocating globally unique method identifiers.
MethodIdMap<V>	A map whose keys are MethodIdHolders.
MethodIdMap.MethodKey<T>	Key for a method.
NullConstant	The implementation type of the null constant.
PlatformKind.EnumKey
PrimitiveConstant	Represents a primitive constant value, such as an integer or floating point number, within the compiler and across the compiler/runtime interface.
RawConstant
SpeculationLog	Manages a list of unique deoptimization reasons.
Value.IllegalValue

Enum Summary

Enum	Description
DeoptimizationAction	Specifies the action that should be taken by the runtime in case a certain deoptimization is triggered.
DeoptimizationReason	Enumeration of reasons for why a deoptimization is happening.
Kind	Denotes the basic kinds of types in CRI, including the all the Java primitive types, for example, Kind.Int for int and Kind.Object for all object types.
MethodHandleAccessProvider.IntrinsicMethod	Identification for methods defined on the class MethodHandle that are processed by the MethodHandleAccessProvider.
TriState	Represents a logic value that can be either TriState.TRUE, TriState.FALSE, or TriState.UNKNOWN.

Package jdk.internal.jvmci.meta Description

Package that defines the interface between a runtime and a Java application that wants to access meta information. The runtime provides an implementation of the MetaAccessProvider interface.