use of com.ibm.dtfj.image.ImagePointer in project openj9 by eclipse.
the class JavaRuntimeBuilder method addVMOption.
/**
* Adds an individual VM option to JavaVMInitArgs, with 'extra information' field
*/
public void addVMOption(String option, long extraInfo) throws BuilderFailureException {
if (fJavaVMInitArgs == null) {
throw new BuilderFailureException("JCJavaVMInitArgs must be created before options added");
}
try {
ImagePointer pointer = fAddressSpace.getPointer(extraInfo);
fJavaVMInitArgs.addOption(new JCJavaVMOption(option, pointer));
} catch (JCInvalidArgumentsException e) {
throw new BuilderFailureException(e);
}
}
use of com.ibm.dtfj.image.ImagePointer in project openj9 by eclipse.
the class JavaRuntimeBuilder method addWaitOnNotifyThread.
/**
*/
public void addWaitOnNotifyThread(JavaMonitor monitor, long threadID) throws BuilderFailureException {
JCJavaMonitor jmonitor = (JCJavaMonitor) monitor;
ImagePointer pointer = fAddressSpace.getPointer(threadID);
jmonitor.addNotifyWaiter(pointer);
}
use of com.ibm.dtfj.image.ImagePointer in project openj9 by eclipse.
the class JavaRuntimeBuilder method addJavaMonitor.
/**
* Required: monitor ID (throws exception if invalid)
* <br>
* Optional: object ID, class name, monitor name, owning thread
* @return successfully created JavaMonitor
* @throws BuilderFailureException if an invalid monitor ID is passed.
*/
public JavaMonitor addJavaMonitor(String monitorName, long monitorID, long objectID, String className, long owningThread) throws BuilderFailureException {
try {
JCJavaMonitor monitor = getJavaRuntime().findMonitor(monitorID);
if (monitor == null) {
ImagePointer pointerMonitorID = fAddressSpace.getPointer(monitorID);
monitor = new JCJavaMonitor(getJavaRuntime(), pointerMonitorID, monitorName);
}
monitor.setOwner(owningThread);
if (className != null) {
JCJavaClass jClass = generateJavaClass(getJavaRuntime(), className, IBuilderData.NOT_AVAILABLE);
/*
* Add the object only if the class is also present and object ID is valid.
*/
if (jClass != null && fAddressSpace.isValidAddressID(objectID)) {
ImagePointer pointerObjectID = fAddressSpace.getPointer(objectID);
JCJavaObject jobject = new JCJavaObject(pointerObjectID, jClass);
monitor.setObject(jobject);
}
}
return monitor;
} catch (JCInvalidArgumentsException e) {
throw new BuilderFailureException(e);
}
}
use of com.ibm.dtfj.image.ImagePointer in project openj9 by eclipse.
the class ImageProcessBuilder method addImageStackFrame.
public ImageStackFrame addImageStackFrame(long nativeThreadID, String name, long baseAddress, long procAddress) {
ImagePointer pointer = fImageAddressSpace.getPointer(nativeThreadID);
JCImageThread thread = fImageProcess.getImageThread(pointer);
ImagePointer ip = procAddress != IBuilderData.NOT_AVAILABLE ? fImageAddressSpace.getPointer(procAddress) : null;
JCImageStackFrame stackFrame = new JCImageStackFrame(name, null, ip);
if (thread != null) {
JCImageThread thrd = (JCImageThread) thread;
thrd.addImageStackFrame(stackFrame);
}
return stackFrame;
}
use of com.ibm.dtfj.image.ImagePointer in project openj9 by eclipse.
the class PHDJavaClassLoader method processData.
private void processData(HeapdumpReader reader, final PHDImage parentImage, final ImageAddressSpace space, final PHDJavaRuntime runtime) throws IOException {
final JavaClassLoader loader = this;
final int adjustLen = reader.version() == 4 && reader.isJ9() ? 1 : 0;
final int[] realClasses = new int[1];
try {
reader.parse(new PortableHeapDumpListener() {
long prevAddress;
PHDJavaClass prevObjClass;
private void updateSizes(long address) {
if (prevObjClass != null)
prevObjClass.updateSize(prevAddress, address);
prevObjClass = null;
prevAddress = address;
}
public void classDump(long address, long superAddress, String name, int size, int flags, int hashCode, LongEnumeration refs) throws Exception {
updateSizes(address);
classes.put(address, new PHDJavaClass.Builder(space, runtime, loader, address, superAddress, name).size(size).flags(flags).hashCode(hashCode).refs(refs).build());
updateAddresses(address, size, name);
++realClasses[0];
}
public void objectArrayDump(long address, long classAddress, int flags, int hashCode, LongEnumeration refs, int length, long instanceSize) throws Exception {
int refsLen = refs.numberOfElements();
int adjustLen2 = Math.min(adjustLen, refsLen);
updateSizes(address);
updateAddresses(address, classAddress, length - adjustLen2);
long classAddress2 = adjustLen2 == 1 ? refs.nextLong() : 0;
genArrayClasses(space, runtime, loader, adjustLen2, classAddress, classAddress2);
}
public void objectDump(long address, long classAddress, int flags, int hashCode, LongEnumeration refs, long instanceSize) throws Exception {
updateSizes(address);
updateAddresses(address, classAddress, -1);
genObjectClass(space, runtime, loader, classAddress, hashCode);
}
public void primitiveArrayDump(long address, int type, int length, int flags, int hashCode, long instanceSize) throws Exception {
updateSizes(address);
updateAddresses(address, type, length);
}
private void genObjectClass(final ImageAddressSpace space, final PHDJavaRuntime runtime, final JavaClassLoader loader, long classAddress, int hashCode) {
if (!classes.containsKey(classAddress)) {
PHDJavaClass objClass = new PHDJavaClass.Builder(space, runtime, loader, classAddress, PHDJavaClass.UNKNOWN_SUPERCLASS, PHDJavaClass.UNKNOWN_NONARRAY).build();
classes.put(classAddress, objClass);
updateAddresses(classAddress, 100, null);
}
prevObjClass = (PHDJavaClass) findClass(classAddress);
}
private PHDJavaClass genArrayClass(final ImageAddressSpace space, final PHDJavaRuntime runtime, final JavaClassLoader loader, long classAddress, long sup, String name) {
PHDJavaClass elemCls;
int size = 100;
elemCls = new PHDJavaClass.Builder(space, runtime, loader, classAddress, sup, name).build();
classes.put(classAddress, elemCls);
updateAddresses(classAddress, size, name);
return elemCls;
}
private void genArrayClasses(final ImageAddressSpace space, final PHDJavaRuntime runtime, final JavaClassLoader loader, final int adjustLen, long classAddress, long classAddress2) {
if (adjustLen == 1) {
// Java 5.0 arrays with type = base component type e.g. String
// First reference = actual array type e.g. [[Ljava.lang.String;
JavaClass arrayCls;
if (!classes.containsKey(classAddress2)) {
String name = PHDJavaClass.UNKNOWN_ARRAY;
arrayCls = genArrayClass(space, runtime, loader, classAddress2, jlo, name);
} else {
arrayCls = findClass(classAddress2);
}
arrayClasses.put(classAddress, arrayCls);
if (!classes.containsKey(classAddress)) {
String name = PHDJavaClass.UNKNOWN_NONARRAY;
genArrayClass(space, runtime, loader, classAddress, PHDJavaClass.UNKNOWN_SUPERCLASS, name);
}
} else {
arrayClasses.put(classAddress, null);
}
return;
}
});
} catch (EOFException e) {
classes.put(runtime.nextDummyClassAddr(), new PHDCorruptJavaClass("Truncated dump found building class " + realClasses[0], null, e));
} catch (IOException e) {
classes.put(runtime.nextDummyClassAddr(), new PHDCorruptJavaClass("Corrupted dump found building class " + realClasses[0], null, e));
} catch (Exception e) {
classes.put(runtime.nextDummyClassAddr(), new PHDCorruptJavaClass("Building class " + realClasses[0], null, e));
} finally {
reader.close();
reader = null;
}
jlo = 0;
// Use an uncached search as the index hasn't been built.
JavaClass jco = findClassUncached("java/lang/Object");
if (jco != null) {
ImagePointer ip = jco.getID();
if (ip != null)
jlo = ip.getAddress();
} else {
// If the dump is very corrupt it won't have java.lang.Object - so create one
jco = new PHDJavaClass.Builder(space, runtime, loader, 0, 0, "java/lang/Object").build();
jlo = runtime.nextDummyClassAddr();
classes.put(jlo, jco);
}
// If the dump is very corrupt it won't have java.lang.Class - so create one
JavaClass jcl = findClassUncached("java/lang/Class");
if (jcl == null) {
jcl = new PHDJavaClass.Builder(space, runtime, loader, 0, jlo, "java/lang/Class").build();
classes.put(runtime.nextDummyClassAddr(), jcl);
}
// nor will it have primitive array classes
for (int i = 0; i < PHDJavaRuntime.arrayTypeName.length; ++i) {
JavaClass jc = findClassUncached(PHDJavaRuntime.arrayTypeName[i]);
if (jc == null) {
jc = new PHDJavaClass.Builder(space, runtime, loader, 0, jlo, PHDJavaRuntime.arrayTypeName[i]).build();
classes.put(runtime.nextDummyClassAddr(), jc);
}
}
// Bug in PHD dumps - some Java 6 types have the type of an array being the whole array, not the elements
// Is the type of the array the whole array or the type of an element?
boolean arrayTypeIsArray = true;
for (Long id : arrayClasses.keySet()) {
JavaClass cl1 = findClass(id);
// Corrupt dump might not have the class!
if (cl1 == null)
continue;
try {
if (!cl1.isArray()) {
arrayTypeIsArray = false;
}
} catch (CorruptDataException e) {
// If we don't know the type then presume they are not arrays
arrayTypeIsArray = false;
}
}
// Create a mapping from the phd id of an array object to the type of the whole array
for (Long id : arrayClasses.keySet()) {
JavaClass cl1 = findClass(id);
if (cl1 == null) {
String name = arrayTypeIsArray ? PHDJavaClass.UNKNOWN_ARRAY : null;
long sup = arrayTypeIsArray ? jlo : PHDJavaClass.UNKNOWN_SUPERCLASS;
cl1 = new PHDJavaClass.Builder(space, runtime, loader, id, sup, name).build();
classes.put(id, cl1);
}
JavaClass ar = arrayClasses.get(id);
if (ar != null) {
ImagePointer ip = ar.getID();
if (ip != null) {
JavaClass ar2 = findClass(ip.getAddress());
if (ar2 != null) {
ar = ar2;
}
}
// cl1 is not a component type for multidimensional arrays, but is the scalar type
// ((PHDJavaClass)ar).setComponentType(cl1);
}
JavaClass cl2;
if (arrayTypeIsArray) {
cl2 = cl1;
} else if (ar != null) {
cl2 = ar;
} else {
try {
String name = cl1.getName();
String arrayName = arrayName(name);
Set<JavaClass> s = findClasses(arrayName);
if (s.size() == 0) {
// Array class doesn't exist, so create a dummy one
cl2 = new PHDJavaClass.Builder(space, runtime, loader, 0, jlo, arrayName).componentType(cl1).build();
} else if (s.size() == 1) {
// Only one, so use it
cl2 = s.iterator().next();
} else {
// Multiple classes, so if possible choose one
cl2 = null;
for (JavaClass cl3 : s) {
// If so then it is the one.
if (PHDJavaClass.referencesClass(cl3, cl1)) {
cl2 = cl3;
break;
}
}
}
} catch (CorruptDataException e) {
// Array class doesn't exist, so create a dummy one
cl2 = new PHDJavaClass.Builder(space, runtime, loader, 0, jlo, PHDJavaClass.UNKNOWN_ARRAY).componentType(cl1).build();
}
if (cl2 instanceof PHDJavaClass) {
// We know the component type, so remember it for later
((PHDJavaClass) cl2).setComponentType(cl1);
}
}
// Even if the array class is null (we couldn't decide), mark it so we know for later
arrayClasses.put(id, cl2);
}
initCache();
}
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