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https://github.com/corda/corda.git
synced 2025-01-03 19:54:13 +00:00
fix bootimage build
We now detect both metafactory and altMetafactory lambdas when bootimage-compiling invokedynamic instructions, as well as make allowance for the same lambda being invoked by multiple invokedynamic instructions (as is the case for Serializable lambdas).
This commit is contained in:
Joel Dice
parent
138699e203
commit
678d7debda
@ -27,4 +27,6 @@ public class ClassAddendum extends Addendum {
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public Pair enclosingMethod;
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public VMMethod[] bootstrapMethodTable;
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public VMMethod[] bootstrapLambdaTable;
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}
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274
src/compile.cpp
274
src/compile.cpp
@ -4040,15 +4040,26 @@ bool isLambda(Thread* t,
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return vm::strcmp(reinterpret_cast<const int8_t*>(
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"java/lang/invoke/LambdaMetafactory"),
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bootstrap->class_()->name()->body().begin()) == 0
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and vm::strcmp(reinterpret_cast<const int8_t*>("metafactory"),
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bootstrap->name()->body().begin()) == 0
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and vm::strcmp(
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reinterpret_cast<const int8_t*>(
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"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/"
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"String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/"
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"MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/"
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"invoke/MethodType;)Ljava/lang/invoke/CallSite;"),
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bootstrap->spec()->body().begin()) == 0;
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and ((vm::strcmp(reinterpret_cast<const int8_t*>("metafactory"),
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bootstrap->name()->body().begin()) == 0
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and vm::strcmp(
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reinterpret_cast<const int8_t*>(
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"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/"
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"String;Ljava/lang/invoke/MethodType;Ljava/lang/"
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"invoke/"
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"MethodType;Ljava/lang/invoke/MethodHandle;Ljava/"
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"lang/"
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"invoke/MethodType;)Ljava/lang/invoke/CallSite;"),
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bootstrap->spec()->body().begin()) == 0)
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or (vm::strcmp(reinterpret_cast<const int8_t*>("altMetafactory"),
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bootstrap->name()->body().begin()) == 0
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and vm::strcmp(
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reinterpret_cast<const int8_t*>(
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"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/"
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"lang/"
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"String;Ljava/lang/invoke/MethodType;[Ljava/lang/"
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"Object;)Ljava/lang/invoke/CallSite;"),
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bootstrap->spec()->body().begin()) == 0));
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}
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void compile(MyThread* t,
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@ -5133,120 +5144,147 @@ loop:
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GcClass* c = context->method->class_();
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PROTECT(t, c);
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GcCharArray* bootstrapArray = cast<GcCharArray>(
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t,
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cast<GcArray>(t, c->addendum()->bootstrapMethodTable())
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->body()[invocation->bootstrap()]);
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PROTECT(t, bootstrapArray);
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GcMethod* target
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= c->addendum()->bootstrapLambdaTable()
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? cast<GcMethod>(
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t,
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cast<GcArray>(t, c->addendum()->bootstrapLambdaTable())
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->body()[invocation->bootstrap()])
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: nullptr;
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PROTECT(t, target);
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if (isLambda(t, c->loader(), bootstrapArray, invocation)) {
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if (bc->hostVM == 0) {
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if (target == nullptr) {
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GcCharArray* bootstrapArray = cast<GcCharArray>(
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t,
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cast<GcArray>(t, c->addendum()->bootstrapMethodTable())
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->body()[invocation->bootstrap()]);
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PROTECT(t, bootstrapArray);
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if (isLambda(t, c->loader(), bootstrapArray, invocation)) {
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if (bc->hostVM == 0) {
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throwNew(
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t,
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GcVirtualMachineError::Type,
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"lambda expression encountered, but host VM is not "
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"available; use -hostvm option to bootimage-generator to "
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"fix this");
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}
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JNIEnv* e;
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if (bc->hostVM->vtable->AttachCurrentThread(bc->hostVM, &e, 0)
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== 0) {
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e->vtable->PushLocalFrame(e, 256);
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jclass lmfClass = e->vtable->FindClass(
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e, "java/lang/invoke/LambdaMetafactory");
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jmethodID makeLambda = e->vtable->GetStaticMethodID(
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e,
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lmfClass,
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"makeLambda",
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"(Ljava/lang/String;Ljava/lang/String;Ljava/lang/"
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"String;Ljava/"
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"lang/String;Ljava/lang/String;Ljava/lang/String;I)[B");
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GcReference* reference = cast<GcReference>(
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t,
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singletonObject(
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t, invocation->pool(), bootstrapArray->body()[2]));
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int kind = reference->kind();
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GcMethod* method
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= cast<GcMethod>(t,
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resolve(t,
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c->loader(),
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invocation->pool(),
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bootstrapArray->body()[2],
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findMethodInClass,
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GcNoSuchMethodError::Type));
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jarray lambda = e->vtable->CallStaticObjectMethod(
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e,
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lmfClass,
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makeLambda,
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e->vtable->NewStringUTF(
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e,
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reinterpret_cast<const char*>(
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invocation->template_()->name()->body().begin())),
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e->vtable->NewStringUTF(
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e,
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reinterpret_cast<const char*>(
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invocation->template_()->spec()->body().begin())),
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e->vtable->NewStringUTF(
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e,
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reinterpret_cast<const char*>(
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cast<GcByteArray>(
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t,
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singletonObject(t,
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invocation->pool(),
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bootstrapArray->body()[1]))
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->body()
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.begin())),
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e->vtable->NewStringUTF(
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e,
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reinterpret_cast<const char*>(
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method->class_()->name()->body().begin())),
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e->vtable->NewStringUTF(e,
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reinterpret_cast<const char*>(
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method->name()->body().begin())),
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e->vtable->NewStringUTF(e,
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reinterpret_cast<const char*>(
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method->spec()->body().begin())),
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kind);
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uint8_t* bytes = reinterpret_cast<uint8_t*>(
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e->vtable->GetPrimitiveArrayCritical(e, lambda, 0));
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GcClass* lambdaClass
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= defineClass(t,
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roots(t)->appLoader(),
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bytes,
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e->vtable->GetArrayLength(e, lambda));
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bc->resolver->addClass(
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t, lambdaClass, bytes, e->vtable->GetArrayLength(e, lambda));
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e->vtable->ReleasePrimitiveArrayCritical(e, lambda, bytes, 0);
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e->vtable->PopLocalFrame(e, 0);
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THREAD_RUNTIME_ARRAY(
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t, char, spec, invocation->template_()->spec()->length());
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memcpy(RUNTIME_ARRAY_BODY(spec),
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invocation->template_()->spec()->body().begin(),
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invocation->template_()->spec()->length());
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target = resolveMethod(
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t, lambdaClass, "make", RUNTIME_ARRAY_BODY(spec));
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GcArray* table
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= cast<GcArray>(t, c->addendum()->bootstrapLambdaTable());
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if (table == nullptr) {
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table = makeArray(
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t,
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cast<GcArray>(t, c->addendum()->bootstrapMethodTable())
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->length());
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c->addendum()->setBootstrapLambdaTable(t, table);
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}
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table->setBodyElement(t, invocation->bootstrap(), target);
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} else {
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throwNew(t,
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GcVirtualMachineError::Type,
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"unable to attach to host VM");
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}
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} else {
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throwNew(t,
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GcVirtualMachineError::Type,
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"lambda expression encountered, but host VM is not "
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"available; use -hostvm option to bootimage-generator to "
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"fix this");
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"invokedynamic not supported for AOT-compiled code except "
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"in the case of lambda expressions");
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}
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JNIEnv* e;
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if (bc->hostVM->vtable->AttachCurrentThread(bc->hostVM, &e, 0) == 0) {
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e->vtable->PushLocalFrame(e, 256);
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jclass lmfClass
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= e->vtable->FindClass(e, "java/lang/invoke/LambdaMetafactory");
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jmethodID makeLambda = e->vtable->GetStaticMethodID(
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e,
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lmfClass,
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"makeLambda",
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"(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/"
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"lang/String;Ljava/lang/String;Ljava/lang/String;I)[B");
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GcReference* reference = cast<GcReference>(
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t,
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singletonObject(
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t, invocation->pool(), bootstrapArray->body()[2]));
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int kind = reference->kind();
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GcMethod* method
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= cast<GcMethod>(t,
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resolve(t,
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c->loader(),
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invocation->pool(),
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bootstrapArray->body()[2],
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findMethodInClass,
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GcNoSuchMethodError::Type));
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jarray lambda = e->vtable->CallStaticObjectMethod(
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e,
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lmfClass,
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makeLambda,
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e->vtable->NewStringUTF(
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e,
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reinterpret_cast<const char*>(
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invocation->template_()->name()->body().begin())),
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e->vtable->NewStringUTF(
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e,
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reinterpret_cast<const char*>(
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invocation->template_()->spec()->body().begin())),
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e->vtable->NewStringUTF(
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e,
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reinterpret_cast<const char*>(
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cast<GcByteArray>(
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t,
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singletonObject(t,
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invocation->pool(),
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bootstrapArray->body()[1]))
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->body()
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.begin())),
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e->vtable->NewStringUTF(
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e,
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reinterpret_cast<const char*>(
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method->class_()->name()->body().begin())),
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e->vtable->NewStringUTF(e,
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reinterpret_cast<const char*>(
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method->name()->body().begin())),
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e->vtable->NewStringUTF(e,
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reinterpret_cast<const char*>(
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method->spec()->body().begin())),
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kind);
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uint8_t* bytes = reinterpret_cast<uint8_t*>(
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e->vtable->GetPrimitiveArrayCritical(e, lambda, 0));
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GcClass* lambdaClass
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= defineClass(t,
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roots(t)->appLoader(),
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bytes,
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e->vtable->GetArrayLength(e, lambda));
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bc->resolver->addClass(
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t, lambdaClass, bytes, e->vtable->GetArrayLength(e, lambda));
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e->vtable->ReleasePrimitiveArrayCritical(e, lambda, bytes, 0);
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e->vtable->PopLocalFrame(e, 0);
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THREAD_RUNTIME_ARRAY(
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t, char, spec, invocation->template_()->spec()->length());
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memcpy(RUNTIME_ARRAY_BODY(spec),
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invocation->template_()->spec()->body().begin(),
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invocation->template_()->spec()->length());
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GcMethod* target = resolveMethod(
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t, lambdaClass, "make", RUNTIME_ARRAY_BODY(spec));
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bool tailCall = isTailCall(t, code, ip, context->method, target);
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compileDirectInvoke(t, frame, target, tailCall);
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} else {
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throwNew(
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t, GcVirtualMachineError::Type, "unable to attach to host VM");
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}
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} else {
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throwNew(t,
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GcVirtualMachineError::Type,
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"invokedynamic not supported for AOT-compiled code except "
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"in the case of lambda expressions");
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}
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bool tailCall = isTailCall(t, code, ip, context->method, target);
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compileDirectInvoke(t, frame, target, tailCall);
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} else {
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unsigned index = addDynamic(t, invocation);
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@ -1220,7 +1220,7 @@ GcClassAddendum* getClassAddendum(Thread* t, GcClass* class_, GcSingleton* pool)
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if (addendum == 0) {
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PROTECT(t, class_);
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addendum = makeClassAddendum(t, pool, 0, 0, 0, 0, -1, 0, 0, 0);
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addendum = makeClassAddendum(t, pool, 0, 0, 0, 0, -1, 0, 0, 0, 0);
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setField(t, class_, ClassAddendum, addendum);
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}
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return addendum;
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