/**
* Routine for instantiating appropriately-typed wrapper for a JavaThread. Currently needs to be
* public for OopUtilities to access it.
*/
public JavaThread createJavaThreadWrapper(Address threadAddr) {
try {
JavaThread thread = (JavaThread) virtualConstructor.instantiateWrapperFor(threadAddr);
thread.setThreadPDAccess(access);
return thread;
} catch (Exception e) {
throw new RuntimeException(
"Unable to deduce type of thread from address "
+ threadAddr
+ " (expected type JavaThread, CompilerThread, ServiceThread, JvmtiAgentThread or CodeCacheSweeperThread)",
e);
}
}
private static synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("Threads");
threadListField = type.getAddressField("_thread_list");
numOfThreadsField = type.getCIntegerField("_number_of_threads");
// Instantiate appropriate platform-specific JavaThreadFactory
String os = VM.getVM().getOS();
String cpu = VM.getVM().getCPU();
access = null;
// FIXME: find the platform specific PD class by reflection?
if (os.equals("solaris")) {
if (cpu.equals("sparc")) {
access = new SolarisSPARCJavaThreadPDAccess();
} else if (cpu.equals("x86")) {
access = new SolarisX86JavaThreadPDAccess();
} else if (cpu.equals("amd64")) {
access = new SolarisAMD64JavaThreadPDAccess();
}
} else if (os.equals("win32")) {
if (cpu.equals("x86")) {
access = new Win32X86JavaThreadPDAccess();
} else if (cpu.equals("amd64")) {
access = new Win32AMD64JavaThreadPDAccess();
}
} else if (os.equals("linux")) {
if (cpu.equals("x86")) {
access = new LinuxX86JavaThreadPDAccess();
} else if (cpu.equals("amd64")) {
access = new LinuxAMD64JavaThreadPDAccess();
} else if (cpu.equals("sparc")) {
access = new LinuxSPARCJavaThreadPDAccess();
} else if (cpu.equals("ppc64")) {
access = new LinuxPPC64JavaThreadPDAccess();
} else if (cpu.equals("aarch64")) {
access = new LinuxAARCH64JavaThreadPDAccess();
} else {
try {
access =
(JavaThreadPDAccess)
Class.forName(
"sun.jvm.hotspot.runtime.linux_"
+ cpu.toLowerCase()
+ ".Linux"
+ cpu.toUpperCase()
+ "JavaThreadPDAccess")
.newInstance();
} catch (Exception e) {
throw new RuntimeException("OS/CPU combination " + os + "/" + cpu + " not yet supported");
}
}
} else if (os.equals("bsd")) {
if (cpu.equals("x86")) {
access = new BsdX86JavaThreadPDAccess();
} else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
access = new BsdAMD64JavaThreadPDAccess();
}
} else if (os.equals("darwin")) {
if (cpu.equals("amd64") || cpu.equals("x86_64")) {
access = new BsdAMD64JavaThreadPDAccess();
}
}
if (access == null) {
throw new RuntimeException("OS/CPU combination " + os + "/" + cpu + " not yet supported");
}
virtualConstructor = new VirtualConstructor(db);
// Add mappings for all known thread types
virtualConstructor.addMapping("JavaThread", JavaThread.class);
if (!VM.getVM().isCore()) {
virtualConstructor.addMapping("CompilerThread", CompilerThread.class);
virtualConstructor.addMapping("CodeCacheSweeperThread", CodeCacheSweeperThread.class);
}
virtualConstructor.addMapping("JvmtiAgentThread", JvmtiAgentThread.class);
virtualConstructor.addMapping("ServiceThread", ServiceThread.class);
}