src/share/vm/jvmci/jvmciCompilerToVM.cpp

@@ -471,13 +471,24 @@
     return 0L;
   }
   return (jlong) (address) method->exception_table_start();
 C2V_END
 
-C2V_VMENTRY(jobject, getResolvedJavaMethodAtSlot, (JNIEnv *, jobject, jclass holder_handle, jint slot))
-  oop java_class = JNIHandles::resolve(holder_handle);
-  Klass* holder = java_lang_Class::as_Klass(java_class);
+C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
+  oop executable = JNIHandles::resolve(executable_handle);
+  oop mirror = NULL;
+  int slot = 0;
+
+  if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
+    mirror = java_lang_reflect_Constructor::clazz(executable);
+    slot = java_lang_reflect_Constructor::slot(executable);
+  } else {
+    assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
+    mirror = java_lang_reflect_Method::clazz(executable);
+    slot = java_lang_reflect_Method::slot(executable);
+  }
+  Klass* holder = java_lang_Class::as_Klass(mirror);
   methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
   oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
   return JNIHandles::make_local(THREAD, result);
 }
 

@@ -1516,17 +1527,29 @@
     bytecode_frame = BytecodePosition::caller(bytecode_frame);
   }
   return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
 C2V_END
 
+C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
+  Handle lambda_form = JNIHandles::resolve_non_null(lambda_form_handle);
+  if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
+    TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
+    JavaValue result(T_VOID);
+    JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
+  } else {
+    THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
+                err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
+  }
+C2V_END
 
 #define CC (char*)  /*cast a literal from (const char*)*/
 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))
 
 #define STRING                "Ljava/lang/String;"
 #define OBJECT                "Ljava/lang/Object;"
 #define CLASS                 "Ljava/lang/Class;"
+#define EXECUTABLE            "Ljava/lang/reflect/Executable;"
 #define STACK_TRACE_ELEMENT   "Ljava/lang/StackTraceElement;"
 #define INSTALLED_CODE        "Ljdk/vm/ci/code/InstalledCode;"
 #define TARGET_DESCRIPTION    "Ljdk/vm/ci/code/TargetDescription;"
 #define BYTECODE_FRAME        "Ljdk/vm/ci/code/BytecodeFrame;"
 #define RESOLVED_METHOD       "Ljdk/vm/ci/meta/ResolvedJavaMethod;"

@@ -1570,11 +1593,11 @@
   {CC "getSignaturePolymorphicHolders",               CC "()[" STRING,                                                                      FN_PTR(getSignaturePolymorphicHolders)},
   {CC "getVtableIndexForInterfaceMethod",             CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I",                                     FN_PTR(getVtableIndexForInterfaceMethod)},
   {CC "getClassInitializer",                          CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD,                                      FN_PTR(getClassInitializer)},
   {CC "hasFinalizableSubclass",                       CC "(" HS_RESOLVED_KLASS ")Z",                                                        FN_PTR(hasFinalizableSubclass)},
   {CC "getMaxCallTargetOffset",                       CC "(J)J",                                                                            FN_PTR(getMaxCallTargetOffset)},
-  {CC "getResolvedJavaMethodAtSlot",                  CC "(" CLASS "I)" HS_RESOLVED_METHOD,                                                 FN_PTR(getResolvedJavaMethodAtSlot)},
+  {CC "asResolvedJavaMethod",                         CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD,                                             FN_PTR(asResolvedJavaMethod)},
   {CC "getResolvedJavaMethod",                        CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD,                                        FN_PTR(getResolvedJavaMethod)},
   {CC "getConstantPool",                              CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL,                                           FN_PTR(getConstantPool)},
   {CC "getResolvedJavaType",                          CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS,                                        FN_PTR(getResolvedJavaType)},
   {CC "readConfiguration",                            CC "()[" OBJECT,                                                                      FN_PTR(readConfiguration)},
   {CC "installCode",                                  CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I",    FN_PTR(installCode)},

@@ -1597,10 +1620,11 @@
   {CC "shouldDebugNonSafepoints",                     CC "()Z",                                                                             FN_PTR(shouldDebugNonSafepoints)},
   {CC "writeDebugOutput",                             CC "([BII)V",                                                                         FN_PTR(writeDebugOutput)},
   {CC "flushDebugOutput",                             CC "()V",                                                                             FN_PTR(flushDebugOutput)},
   {CC "methodDataProfileDataSize",                    CC "(JI)I",                                                                           FN_PTR(methodDataProfileDataSize)},
   {CC "interpreterFrameSize",                         CC "(" BYTECODE_FRAME ")I",                                                           FN_PTR(interpreterFrameSize)},
+  {CC "compileToBytecode",                            CC "(" OBJECT ")V",                                                                   FN_PTR(compileToBytecode)},
 };
 
 int CompilerToVM::methods_count() {
   return sizeof(methods) / sizeof(JNINativeMethod);
 }