/**
* Gets the compiled code of a given stackframe.
*
* @param sf Stackframe pointer
* @return The compiled code
*/
final VmCompiledCode getCompiledCode(Address sf) {
final int ccid = sf.loadInt(getMethodIdOffset(sf));
if (ccid == 0) {
return null;
} else {
return VmUtils.getVm().getCompiledMethods().get(ccid);
}
}
/**
* Gets the method of a given stackframe.
*
* @param sf Stackframe pointer
* @return The method
*/
@KernelSpace
final VmMethod getMethod(Address sf) {
final int ccid = sf.loadInt(getMethodIdOffset(sf));
if (ccid == 0) {
return null;
} else {
final VmCompiledCode cc = VmUtils.getVm().getCompiledMethods().get(ccid);
if (cc == null) {
// (This can happen if an exception is thrown while a frame
// for a 'native' method call is on the stack. A panic is not a
// good idea. It is better to generate a stack trace with a missing
// method name.)
// Unsafe.die("Unknown ccid found on stack");
return null;
} else {
return cc.getMethod();
}
}
}
/**
* Gets (creates if needed) a compiled code id.
*
* @return a compiled code id.
*/
public final int getCompiledCodeId() {
if (ccId < 0) {
ccId = VmUtils.getVm().getCompiledMethods().createId();
}
return ccId;
}