com.oracle.svm.jvmtiagentbase

Class Support

java.lang.Object

com.oracle.svm.jvmtiagentbase.Support

public final class Support
extends Object

A utility class that contains helper methods for JNI/JVMTI that agents can use.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Support.WordSupplier<T extends org.graalvm.word.WordBase>

Method Summary

Modifier and Type	Method and Description
static boolean	callBooleanMethod(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle obj, com.oracle.svm.jni.nativeapi.JNIMethodId method)
static int	callIntMethodL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle obj, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0)
static long	callLongMethodL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle obj, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0)
static long	callLongMethodLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle obj, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callObjectMethod(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle obj, com.oracle.svm.jni.nativeapi.JNIMethodId method)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callObjectMethodBLLZ(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle obj, com.oracle.svm.jni.nativeapi.JNIMethodId method, byte b0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1, com.oracle.svm.jni.nativeapi.JNIObjectHandle l2, boolean z3)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callObjectMethodL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle obj, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callObjectMethodLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle obj, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callStaticObjectMethodL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callStaticObjectMethodLIL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, int i1, com.oracle.svm.jni.nativeapi.JNIObjectHandle l2)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callStaticObjectMethodLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callStaticObjectMethodLLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1, com.oracle.svm.jni.nativeapi.JNIObjectHandle l2)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callStaticObjectMethodLLLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1, com.oracle.svm.jni.nativeapi.JNIObjectHandle l2, com.oracle.svm.jni.nativeapi.JNIObjectHandle l3)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	callStaticObjectMethodLLLLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1, com.oracle.svm.jni.nativeapi.JNIObjectHandle l2, com.oracle.svm.jni.nativeapi.JNIObjectHandle l3, com.oracle.svm.jni.nativeapi.JNIObjectHandle l4)
static void	callStaticVoidMethodLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIMethodId method, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1)
static void	check(JvmtiError resultCode)
static void	checkJni(int resultCode)
static void	checkNoException(com.oracle.svm.jni.nativeapi.JNIEnvironment localEnv)
static boolean	clearException(com.oracle.svm.jni.nativeapi.JNIEnvironment localEnv)
static void	destroy()
static String	fromCString(org.graalvm.nativeimage.c.type.CCharPointer s)
static String	fromJniString(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle handle)
static boolean	getBooleanArgument(int slot)
static byte	getByteArgument(int slot)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	getCallerClass(int depth)
static com.oracle.svm.jni.nativeapi.JNIMethodId	getCallerMethod(int depth)
static String	getClassNameOr(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, String forNullHandle, String forNullNameOrException)
static String	getClassNameOrNull(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	getDirectCallerClass()
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	getFieldDeclaringClass(com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIFieldId method)
static String	getFieldName(com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIFieldId field)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	getMethodDeclaringClass(com.oracle.svm.jni.nativeapi.JNIMethodId method)
static String	getMethodNameOr(com.oracle.svm.jni.nativeapi.JNIMethodId methodId, String defaultValue)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	getObjectArgument(int slot)
static String[]	getSystemProperties(JvmtiEnv jvmti)
static String	getSystemProperty(JvmtiEnv jvmti, String propertyName)
static void	initialize(JvmtiEnv jvmti)
static boolean	isInitialized()
static com.oracle.svm.jni.nativeapi.JNINativeInterface	jniFunctions()
static JvmtiEnv	jvmtiEnv()
static JvmtiInterface	jvmtiFunctions()
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	newObjectLLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIMethodId ctor, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1, com.oracle.svm.jni.nativeapi.JNIObjectHandle l2)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	newObjectLLLJ(com.oracle.svm.jni.nativeapi.JNIEnvironment env, com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz, com.oracle.svm.jni.nativeapi.JNIMethodId ctor, com.oracle.svm.jni.nativeapi.JNIObjectHandle l0, com.oracle.svm.jni.nativeapi.JNIObjectHandle l1, com.oracle.svm.jni.nativeapi.JNIObjectHandle l2, long l3)
static boolean	testException(com.oracle.svm.jni.nativeapi.JNIEnvironment localEnv)
static org.graalvm.nativeimage.c.type.CTypeConversion.CCharPointerHolder	toCString(String s)
static com.oracle.svm.jni.nativeapi.JNIObjectHandle	toJniString(com.oracle.svm.jni.nativeapi.JNIEnvironment jni, String string)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

isInitialized

public static boolean isInitialized()

initialize

public static void initialize(JvmtiEnv jvmti)

destroy

public static void destroy()

getSystemProperty

public static String getSystemProperty(JvmtiEnv jvmti,
                                       String propertyName)

getSystemProperties

public static String[] getSystemProperties(JvmtiEnv jvmti)

jvmtiEnv

public static JvmtiEnv jvmtiEnv()

jvmtiFunctions

public static JvmtiInterface jvmtiFunctions()

jniFunctions

public static com.oracle.svm.jni.nativeapi.JNINativeInterface jniFunctions()

fromCString

public static String fromCString(org.graalvm.nativeimage.c.type.CCharPointer s)

fromJniString

public static String fromJniString(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                   com.oracle.svm.jni.nativeapi.JNIObjectHandle handle)

toJniString

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle toJniString(com.oracle.svm.jni.nativeapi.JNIEnvironment jni,
                                                                       String string)

toCString

public static org.graalvm.nativeimage.c.type.CTypeConversion.CCharPointerHolder toCString(String s)

getCallerClass

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle getCallerClass(int depth)

getDirectCallerClass

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle getDirectCallerClass()

getCallerMethod

public static com.oracle.svm.jni.nativeapi.JNIMethodId getCallerMethod(int depth)

getObjectArgument

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle getObjectArgument(int slot)

getByteArgument

public static byte getByteArgument(int slot)

getBooleanArgument

public static boolean getBooleanArgument(int slot)

getClassNameOr

public static String getClassNameOr(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                    com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                    String forNullHandle,
                                    String forNullNameOrException)

getClassNameOrNull

public static String getClassNameOrNull(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                        com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz)

getMethodDeclaringClass

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle getMethodDeclaringClass(com.oracle.svm.jni.nativeapi.JNIMethodId method)

getFieldDeclaringClass

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle getFieldDeclaringClass(com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                                                                  com.oracle.svm.jni.nativeapi.JNIFieldId method)

getFieldName

public static String getFieldName(com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                  com.oracle.svm.jni.nativeapi.JNIFieldId field)

getMethodNameOr

public static String getMethodNameOr(com.oracle.svm.jni.nativeapi.JNIMethodId methodId,
                                     String defaultValue)

clearException

public static boolean clearException(com.oracle.svm.jni.nativeapi.JNIEnvironment localEnv)

testException

public static boolean testException(com.oracle.svm.jni.nativeapi.JNIEnvironment localEnv)

callObjectMethod

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callObjectMethod(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                            com.oracle.svm.jni.nativeapi.JNIObjectHandle obj,
                                                                            com.oracle.svm.jni.nativeapi.JNIMethodId method)

callObjectMethodL

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callObjectMethodL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                             com.oracle.svm.jni.nativeapi.JNIObjectHandle obj,
                                                                             com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                                                             com.oracle.svm.jni.nativeapi.JNIObjectHandle l0)

callObjectMethodLL

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callObjectMethodLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                              com.oracle.svm.jni.nativeapi.JNIObjectHandle obj,
                                                                              com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                                                              com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                                                              com.oracle.svm.jni.nativeapi.JNIObjectHandle l1)

callObjectMethodBLLZ

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callObjectMethodBLLZ(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                                com.oracle.svm.jni.nativeapi.JNIObjectHandle obj,
                                                                                com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                                                                byte b0,
                                                                                com.oracle.svm.jni.nativeapi.JNIObjectHandle l1,
                                                                                com.oracle.svm.jni.nativeapi.JNIObjectHandle l2,
                                                                                boolean z3)

callStaticObjectMethodL

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callStaticObjectMethodL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                                   com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                                                                   com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                                                                   com.oracle.svm.jni.nativeapi.JNIObjectHandle l0)

callStaticObjectMethodLL

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callStaticObjectMethodLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                                    com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                                                                    com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                                                                    com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                                                                    com.oracle.svm.jni.nativeapi.JNIObjectHandle l1)

callStaticObjectMethodLIL

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callStaticObjectMethodLIL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                                     com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                                                                     com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                                                                     com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                                                                     int i1,
                                                                                     com.oracle.svm.jni.nativeapi.JNIObjectHandle l2)

callStaticObjectMethodLLL

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callStaticObjectMethodLLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                                     com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                                                                     com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                                                                     com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                                                                     com.oracle.svm.jni.nativeapi.JNIObjectHandle l1,
                                                                                     com.oracle.svm.jni.nativeapi.JNIObjectHandle l2)

callStaticObjectMethodLLLL

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callStaticObjectMethodLLLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                                      com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                                                                      com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                                                                      com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                                                                      com.oracle.svm.jni.nativeapi.JNIObjectHandle l1,
                                                                                      com.oracle.svm.jni.nativeapi.JNIObjectHandle l2,
                                                                                      com.oracle.svm.jni.nativeapi.JNIObjectHandle l3)

callStaticObjectMethodLLLLL

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle callStaticObjectMethodLLLLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                                       com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                                                                       com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                                                                       com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                                                                       com.oracle.svm.jni.nativeapi.JNIObjectHandle l1,
                                                                                       com.oracle.svm.jni.nativeapi.JNIObjectHandle l2,
                                                                                       com.oracle.svm.jni.nativeapi.JNIObjectHandle l3,
                                                                                       com.oracle.svm.jni.nativeapi.JNIObjectHandle l4)

callStaticVoidMethodLL

public static void callStaticVoidMethodLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                          com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                          com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                          com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                          com.oracle.svm.jni.nativeapi.JNIObjectHandle l1)

callBooleanMethod

public static boolean callBooleanMethod(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                        com.oracle.svm.jni.nativeapi.JNIObjectHandle obj,
                                        com.oracle.svm.jni.nativeapi.JNIMethodId method)

callLongMethodL

public static long callLongMethodL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                   com.oracle.svm.jni.nativeapi.JNIObjectHandle obj,
                                   com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                   com.oracle.svm.jni.nativeapi.JNIObjectHandle l0)

callLongMethodLL

public static long callLongMethodLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                    com.oracle.svm.jni.nativeapi.JNIObjectHandle obj,
                                    com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                    com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                    com.oracle.svm.jni.nativeapi.JNIObjectHandle l1)

callIntMethodL

public static int callIntMethodL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                 com.oracle.svm.jni.nativeapi.JNIObjectHandle obj,
                                 com.oracle.svm.jni.nativeapi.JNIMethodId method,
                                 com.oracle.svm.jni.nativeapi.JNIObjectHandle l0)

newObjectLLL

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle newObjectLLL(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                        com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                                                        com.oracle.svm.jni.nativeapi.JNIMethodId ctor,
                                                                        com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                                                        com.oracle.svm.jni.nativeapi.JNIObjectHandle l1,
                                                                        com.oracle.svm.jni.nativeapi.JNIObjectHandle l2)

newObjectLLLJ

public static com.oracle.svm.jni.nativeapi.JNIObjectHandle newObjectLLLJ(com.oracle.svm.jni.nativeapi.JNIEnvironment env,
                                                                         com.oracle.svm.jni.nativeapi.JNIObjectHandle clazz,
                                                                         com.oracle.svm.jni.nativeapi.JNIMethodId ctor,
                                                                         com.oracle.svm.jni.nativeapi.JNIObjectHandle l0,
                                                                         com.oracle.svm.jni.nativeapi.JNIObjectHandle l1,
                                                                         com.oracle.svm.jni.nativeapi.JNIObjectHandle l2,
                                                                         long l3)

checkNoException

public static void checkNoException(com.oracle.svm.jni.nativeapi.JNIEnvironment localEnv)

check

public static void check(JvmtiError resultCode)

checkJni

public static void checkJni(int resultCode)