Пример #1
0
bool dumpStubFrameInformation(const JVMPI_CallFrame &frame, jvmtiEnv *jvmti,
                              MethodListener &listener) {
  method_id id = (method_id)frame.method_id;
  if (frame.method_id == (jmethodID)1) {
    listener.recordNewMethod(id, "PrintStream.java", "Ljava/io/PrintStream;",
                             "printf");
  } else {
    listener.recordNewMethod(id, "PrintStream.java", "Ljava/io/PrintStream;",
                             "append");
  }
  return true;
}
Пример #2
0
bool Profiler::lookupFrameInformation(const JVMPI_CallFrame &frame,
        jvmtiEnv *jvmti,
        MethodListener &logWriter) {
    jint error;
    JvmtiScopedPtr<char> methodName(jvmti);

    error = jvmti->GetMethodName(frame.method_id, methodName.GetRef(), NULL, NULL);
    if (error != JVMTI_ERROR_NONE) {
        methodName.AbandonBecauseOfError();
        if (error == JVMTI_ERROR_INVALID_METHODID) {
            static int once = 0;
            if (!once) {
                once = 1;
                logError("One of your monitoring interfaces "
                         "is having trouble resolving its stack traces.  "
                         "GetMethodName on a jmethodID involved in a stacktrace "
                         "resulted in an INVALID_METHODID error which usually "
                         "indicates its declaring class has been unloaded.\n");
                logError("Unexpected JVMTI error %d in GetMethodName\n", error);
            }
        }
        return false;
    }

    // Get class name, put it in signature_ptr
    jclass declaring_class;
    JVMTI_ERROR_1(
            jvmti->GetMethodDeclaringClass(frame.method_id, &declaring_class), false);

    JvmtiScopedPtr<char> signature_ptr2(jvmti);
    JVMTI_ERROR_CLEANUP_1(
            jvmti->GetClassSignature(declaring_class, signature_ptr2.GetRef(), NULL),
            false, signature_ptr2.AbandonBecauseOfError());

    // Get source file, put it in source_name_ptr
    char *fileName;
    JvmtiScopedPtr<char> source_name_ptr(jvmti);
    static char file_unknown[] = "UnknownFile";
    if (JVMTI_ERROR_NONE !=
            jvmti->GetSourceFileName(declaring_class, source_name_ptr.GetRef())) {
        source_name_ptr.AbandonBecauseOfError();
        fileName = file_unknown;
    } else {
        fileName = source_name_ptr.Get();
    }

    logWriter.recordNewMethod((method_id) frame.method_id, fileName,
            signature_ptr2.Get(), methodName.Get());

    return true;
    /*if (line_number != NULL) {
      // TODO: is frame.lineno correct?  GetLineNumber
      // expects a BCI.
      *line_number = GetLineNumber(frame.method_id, frame.lineno);
    }*/
}
Пример #3
0
// leaks memory during tests
bool stubFrameInformation(const JVMPI_CallFrame &frame, jvmtiEnv *jvmti,
                          MethodListener &listener) {
  listener.recordNewMethod((method_id)frame.method_id, "c", "b", "a");
  return true;
}