src/hotspot/share/jvmci/jvmciJavaClasses.cpp

*** 354,363 ****
--- 354,400 ----
  extern "C" {
    void     JNICALL JVM_RegisterJVMCINatives(JNIEnv *env, jclass compilerToVMClass);
    jobject  JNICALL JVM_GetJVMCIRuntime(JNIEnv *env, jclass c);
  }
  
+ // Dumps symbols for public <init>() and <init>(String) methods of
+ // non-abstract Throwable subtypes known by the VM. This is to
+ // support the use of reflection in jdk.vm.ci.hotspot.TranslatedException.create().
+ class ThrowableInitDumper : public SymbolClosure {
+  private:
+   fileStream* _st;
+  public:
+   ThrowableInitDumper(fileStream* st)     { _st = st; }
+   void do_symbol(Symbol** p) {
+     Thread* THREAD = Thread::current();
+     Symbol* name = *p;
+     if (name == NULL) {
+       return;
+     }
+     Klass* k = SystemDictionary::resolve_or_null(name, CHECK_EXIT);
+     if (k != NULL && k->is_instance_klass()) {
+       InstanceKlass* iklass = InstanceKlass::cast(k);
+       if (iklass->is_subclass_of(SystemDictionary::Throwable_klass()) && iklass->is_public() && !iklass->is_abstract()) {
+         const char* class_name = NULL;
+         Array<Method*>* methods = iklass->methods();
+         for (int i = 0; i < methods->length(); i++) {
+           Method* m = methods->at(i);
+           if (m->name() == vmSymbols::object_initializer_name() &&
+               m->is_public() &&
+               (m->signature() == vmSymbols::void_method_signature() || m->signature() == vmSymbols::string_void_signature())) {
+             if (class_name == NULL) {
+               class_name = name->as_C_string();
+               _st->print_cr("class %s", class_name);
+             }
+             _st->print_cr("method %s %s %s", class_name, m->name()->as_C_string(), m->signature()->as_C_string());
+           }
+         }
+       }
+     }
+   }
+ };
+ 
  #define IN_CLASS(fullClassName) current_class_name = vmSymbols::fullClassName()->as_C_string()
  /**
   * Initializes the JNI method and field ids used in JNIJVMCI.
   */
  void JNIJVMCI::initialize_ids(JNIEnv* env) {
*** 439,448 ****
--- 476,487 ----
    if (JVMCILibDumpJNIConfig != NULL) {
      Thread* THREAD = Thread::current();
      fileStream* st = JVMCIGlobals::get_jni_config_file();
  
      DUMP_ALL_NATIVE_METHODS(vmSymbols::jdk_vm_ci_hotspot_CompilerToVM());
+     ThrowableInitDumper dumper(st);
+     vmSymbols::symbols_do(&dumper);
  
      st->flush();
      tty->print_cr("Dumped JVMCI shared library JNI configuration to %s", JVMCILibDumpJNIConfig);
      vm_exit(0);
    }