Package jadex.bytecode.vmhacks

Class VmHacks

java.lang.Object

jadex.bytecode.vmhacks.VmHacks

public class VmHacks
extends Object

Class providing various means of getting around VM restrictions.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	VmHacks.InstrumentationCommand	Instrumentation command issued to the instrumentation agent.
static final class	VmHacks.Unsafe	Access to unsafe operations.

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	DEBUG	Set to true to see debug infos during startup.
static boolean	DISABLE	Globally disable all VM Hacks.
static boolean	DISABLE_INSTRUMENTATION	Disable all instrumentation-based functionality.
static boolean	DISABLE_NATIVE	Globally disable native functionality.
static boolean	DISABLE_SETACCESSIBLE	Globally disable setAccessible VM Hacks.

Constructor Summary

Constructors

Constructor	Description
VmHacks()

Method Summary

Modifier and Type	Method	Description
static final VmHacks.Unsafe	get()	Provides access to unsafe operations.
protected static final void	injectClassIntoStore(Map<Object[],Class<?>> classstore, ClassLoader cl, String classname, Class<?> clazz)	Trampoline function for injection into the class redefinition store.

Methods inherited from class java.lang.Object

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

Field Details

DISABLE

public static boolean DISABLE

Globally disable all VM Hacks.

DISABLE_SETACCESSIBLE

public static boolean DISABLE_SETACCESSIBLE

Globally disable setAccessible VM Hacks.

DISABLE_NATIVE

public static boolean DISABLE_NATIVE

Globally disable native functionality.

DISABLE_INSTRUMENTATION

public static boolean DISABLE_INSTRUMENTATION

Disable all instrumentation-based functionality.

DEBUG

public static boolean DEBUG

Set to true to see debug infos during startup.

Constructor Details

VmHacks

public VmHacks()

Method Details

get

public static final VmHacks.Unsafe get()

Provides access to unsafe operations.

Returns:

The Unsafe object.

injectClassIntoStore

protected static final void injectClassIntoStore(Map<Object[],Class<?>> classstore,
 ClassLoader cl,
 String classname,
 Class<?> clazz)

Trampoline function for injection into the class redefinition store. This allows the stack trace to come from VmHacks instead of VmHacks$Unsafe, avoiding potential inner class naming inconsistencies.

Parameters:

classstore - The class store.

cl - The targeted classloader.

classname - Name of the class.

clazz - The class.