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package com.oracle.svm.core.meta;
import com.oracle.svm.core.StaticFieldsSupport;
import jdk.vm.ci.meta.JavaKind;
import jdk.vm.ci.meta.ResolvedJavaField;
The field interface which is both used in the hosted and substrate worlds.
/**
* The field interface which is both used in the hosted and substrate worlds.
*/
public interface SharedField extends ResolvedJavaField {
int LOC_UNINITIALIZED = -1;
int LOC_UNUSED = -2;
The offset or index of the field. The value depends on the kind of field:
- instance fields: the offset (in bytes) from the origin of the instance.
- static fields of primitive type: the offset (in bytes) into the static primitive data array
StaticFieldsSupport.getStaticPrimitiveFields()
. - static reference fields: the offset (in bytes) into the static object data array
StaticFieldsSupport.getStaticObjectFields()
. - static fields that are never written (including but not limited to static final fields):
unused, this method must not be called.
/**
* The offset or index of the field. The value depends on the kind of field:
* <ul>
* <li>instance fields: the offset (in bytes) from the origin of the instance.
* <li>static fields of primitive type: the offset (in bytes) into the static primitive data
* array {@link StaticFieldsSupport#getStaticPrimitiveFields()}.
* <li>static reference fields: the offset (in bytes) into the static object data array
* {@link StaticFieldsSupport#getStaticObjectFields()}.
* <li>static fields that are never written (including but not limited to static final fields):
* unused, this method must not be called.
* </ul>
*/
int getLocation();
boolean isAccessed();
boolean isWritten();
JavaKind getStorageKind();
}