Mercurial > hg > truffle
diff src/share/vm/prims/methodHandles.cpp @ 2491:0654ee04b214
Merge with OpenJDK.
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Fri, 22 Apr 2011 15:30:53 +0200 |
| parents | 328926869b15 |
| children | 2a23b1b5a0a8 |
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--- a/src/share/vm/prims/methodHandles.cpp Fri Apr 22 15:22:45 2011 +0200 +++ b/src/share/vm/prims/methodHandles.cpp Fri Apr 22 15:30:53 2011 +0200 @@ -112,7 +112,7 @@ // MethodHandles::generate_adapters // void MethodHandles::generate_adapters() { - if (!EnableMethodHandles || SystemDictionary::MethodHandle_klass() == NULL) return; + if (!EnableInvokeDynamic || SystemDictionary::MethodHandle_klass() == NULL) return; assert(_adapter_code == NULL, "generate only once"); @@ -143,7 +143,7 @@ void MethodHandles::set_enabled(bool z) { if (_enabled != z) { - guarantee(z && EnableMethodHandles, "can only enable once, and only if -XX:+EnableMethodHandles"); + guarantee(z && EnableInvokeDynamic, "can only enable once, and only if -XX:+EnableInvokeDynamic"); _enabled = z; } } @@ -163,9 +163,9 @@ // or it may use the klass/index form; both forms mean the same thing. methodOop m = decode_methodOop(methodOop(vmtarget), decode_flags_result); if ((decode_flags_result & _dmf_has_receiver) != 0 - && java_dyn_MethodType::is_instance(mtype)) { + && java_lang_invoke_MethodType::is_instance(mtype)) { // Extract receiver type restriction from mtype.ptypes[0]. - objArrayOop ptypes = java_dyn_MethodType::ptypes(mtype); + objArrayOop ptypes = java_lang_invoke_MethodType::ptypes(mtype); oop ptype0 = (ptypes == NULL || ptypes->length() < 1) ? oop(NULL) : ptypes->obj_at(0); if (java_lang_Class::is_instance(ptype0)) receiver_limit_result = java_lang_Class::as_klassOop(ptype0); @@ -199,18 +199,18 @@ // (MemberName is the non-operational name used for queries and setup.) methodOop MethodHandles::decode_DirectMethodHandle(oop mh, klassOop& receiver_limit_result, int& decode_flags_result) { - oop vmtarget = sun_dyn_DirectMethodHandle::vmtarget(mh); - int vmindex = sun_dyn_DirectMethodHandle::vmindex(mh); - oop mtype = sun_dyn_DirectMethodHandle::type(mh); + oop vmtarget = java_lang_invoke_DirectMethodHandle::vmtarget(mh); + int vmindex = java_lang_invoke_DirectMethodHandle::vmindex(mh); + oop mtype = java_lang_invoke_DirectMethodHandle::type(mh); return decode_vmtarget(vmtarget, vmindex, mtype, receiver_limit_result, decode_flags_result); } methodOop MethodHandles::decode_BoundMethodHandle(oop mh, klassOop& receiver_limit_result, int& decode_flags_result) { - assert(sun_dyn_BoundMethodHandle::is_instance(mh), ""); + assert(java_lang_invoke_BoundMethodHandle::is_instance(mh), ""); assert(mh->klass() != SystemDictionary::AdapterMethodHandle_klass(), ""); for (oop bmh = mh;;) { // Bound MHs can be stacked to bind several arguments. - oop target = java_dyn_MethodHandle::vmtarget(bmh); + oop target = java_lang_invoke_MethodHandle::vmtarget(bmh); if (target == NULL) return NULL; decode_flags_result |= MethodHandles::_dmf_binds_argument; klassOop tk = target->klass(); @@ -218,7 +218,7 @@ bmh = target; continue; } else { - if (java_dyn_MethodHandle::is_subclass(tk)) { + if (java_lang_invoke_MethodHandle::is_subclass(tk)) { //assert(tk == SystemDictionary::DirectMethodHandle_klass(), "end of BMH chain must be DMH"); return decode_MethodHandle(target, receiver_limit_result, decode_flags_result); } else { @@ -240,9 +240,9 @@ assert(mh->klass() == SystemDictionary::AdapterMethodHandle_klass(), ""); for (oop amh = mh;;) { // Adapter MHs can be stacked to convert several arguments. - int conv_op = adapter_conversion_op(sun_dyn_AdapterMethodHandle::conversion(amh)); + int conv_op = adapter_conversion_op(java_lang_invoke_AdapterMethodHandle::conversion(amh)); decode_flags_result |= (_dmf_adapter_lsb << conv_op) & _DMF_ADAPTER_MASK; - oop target = java_dyn_MethodHandle::vmtarget(amh); + oop target = java_lang_invoke_MethodHandle::vmtarget(amh); if (target == NULL) return NULL; klassOop tk = target->klass(); if (tk == SystemDictionary::AdapterMethodHandle_klass()) { @@ -258,14 +258,14 @@ methodOop MethodHandles::decode_MethodHandle(oop mh, klassOop& receiver_limit_result, int& decode_flags_result) { if (mh == NULL) return NULL; klassOop mhk = mh->klass(); - assert(java_dyn_MethodHandle::is_subclass(mhk), "must be a MethodHandle"); + assert(java_lang_invoke_MethodHandle::is_subclass(mhk), "must be a MethodHandle"); if (mhk == SystemDictionary::DirectMethodHandle_klass()) { return decode_DirectMethodHandle(mh, receiver_limit_result, decode_flags_result); } else if (mhk == SystemDictionary::BoundMethodHandle_klass()) { return decode_BoundMethodHandle(mh, receiver_limit_result, decode_flags_result); } else if (mhk == SystemDictionary::AdapterMethodHandle_klass()) { return decode_AdapterMethodHandle(mh, receiver_limit_result, decode_flags_result); - } else if (sun_dyn_BoundMethodHandle::is_subclass(mhk)) { + } else if (java_lang_invoke_BoundMethodHandle::is_subclass(mhk)) { // could be a JavaMethodHandle (but not an adapter MH) return decode_BoundMethodHandle(mh, receiver_limit_result, decode_flags_result); } else { @@ -308,7 +308,7 @@ } else if (xk == SystemDictionary::MemberName_klass()) { // Note: This only works if the MemberName has already been resolved. return decode_MemberName(x, receiver_limit_result, decode_flags_result); - } else if (java_dyn_MethodHandle::is_subclass(xk)) { + } else if (java_lang_invoke_MethodHandle::is_subclass(xk)) { return decode_MethodHandle(x, receiver_limit_result, decode_flags_result); } else if (xk == SystemDictionary::reflect_Method_klass()) { oop clazz = java_lang_reflect_Method::clazz(x); @@ -327,7 +327,7 @@ } else { // unrecognized object assert(!x->is_method(), "already checked"); - assert(!sun_dyn_MemberName::is_instance(x), "already checked"); + assert(!java_lang_invoke_MemberName::is_instance(x), "already checked"); } return NULL; } @@ -336,15 +336,15 @@ int MethodHandles::decode_MethodHandle_stack_pushes(oop mh) { if (mh->klass() == SystemDictionary::DirectMethodHandle_klass()) return 0; // no push/pop - int this_vmslots = java_dyn_MethodHandle::vmslots(mh); + int this_vmslots = java_lang_invoke_MethodHandle::vmslots(mh); int last_vmslots = 0; oop last_mh = mh; for (;;) { - oop target = java_dyn_MethodHandle::vmtarget(last_mh); + oop target = java_lang_invoke_MethodHandle::vmtarget(last_mh); if (target->klass() == SystemDictionary::DirectMethodHandle_klass()) { - last_vmslots = java_dyn_MethodHandle::vmslots(target); + last_vmslots = java_lang_invoke_MethodHandle::vmslots(target); break; - } else if (!java_dyn_MethodHandle::is_instance(target)) { + } else if (!java_lang_invoke_MethodHandle::is_instance(target)) { // might be klass or method assert(target->is_method(), "must get here with a direct ref to method"); last_vmslots = methodOop(target)->size_of_parameters(); @@ -361,16 +361,16 @@ // MemberName support -// import sun_dyn_MemberName.* +// import java_lang_invoke_MemberName.* enum { - IS_METHOD = sun_dyn_MemberName::MN_IS_METHOD, - IS_CONSTRUCTOR = sun_dyn_MemberName::MN_IS_CONSTRUCTOR, - IS_FIELD = sun_dyn_MemberName::MN_IS_FIELD, - IS_TYPE = sun_dyn_MemberName::MN_IS_TYPE, - SEARCH_SUPERCLASSES = sun_dyn_MemberName::MN_SEARCH_SUPERCLASSES, - SEARCH_INTERFACES = sun_dyn_MemberName::MN_SEARCH_INTERFACES, + IS_METHOD = java_lang_invoke_MemberName::MN_IS_METHOD, + IS_CONSTRUCTOR = java_lang_invoke_MemberName::MN_IS_CONSTRUCTOR, + IS_FIELD = java_lang_invoke_MemberName::MN_IS_FIELD, + IS_TYPE = java_lang_invoke_MemberName::MN_IS_TYPE, + SEARCH_SUPERCLASSES = java_lang_invoke_MemberName::MN_SEARCH_SUPERCLASSES, + SEARCH_INTERFACES = java_lang_invoke_MemberName::MN_SEARCH_INTERFACES, ALL_KINDS = IS_METHOD | IS_CONSTRUCTOR | IS_FIELD | IS_TYPE, - VM_INDEX_UNINITIALIZED = sun_dyn_MemberName::VM_INDEX_UNINITIALIZED + VM_INDEX_UNINITIALIZED = java_lang_invoke_MemberName::VM_INDEX_UNINITIALIZED }; Handle MethodHandles::new_MemberName(TRAPS) { @@ -405,10 +405,10 @@ if (!do_dispatch || (flags & IS_CONSTRUCTOR) || m->can_be_statically_bound()) vmindex = methodOopDesc::nonvirtual_vtable_index; // implies never any dispatch assert(vmindex != VM_INDEX_UNINITIALIZED, "Java sentinel value"); - sun_dyn_MemberName::set_vmtarget(mname_oop, vmtarget); - sun_dyn_MemberName::set_vmindex(mname_oop, vmindex); - sun_dyn_MemberName::set_flags(mname_oop, flags); - sun_dyn_MemberName::set_clazz(mname_oop, Klass::cast(m->method_holder())->java_mirror()); + java_lang_invoke_MemberName::set_vmtarget(mname_oop, vmtarget); + java_lang_invoke_MemberName::set_vmindex(mname_oop, vmindex); + java_lang_invoke_MemberName::set_flags(mname_oop, flags); + java_lang_invoke_MemberName::set_clazz(mname_oop, Klass::cast(m->method_holder())->java_mirror()); } void MethodHandles::init_MemberName(oop mname_oop, klassOop field_holder, AccessFlags mods, int offset) { @@ -416,21 +416,21 @@ oop vmtarget = field_holder; int vmindex = offset; // determines the field uniquely when combined with static bit assert(vmindex != VM_INDEX_UNINITIALIZED, "bad alias on vmindex"); - sun_dyn_MemberName::set_vmtarget(mname_oop, vmtarget); - sun_dyn_MemberName::set_vmindex(mname_oop, vmindex); - sun_dyn_MemberName::set_flags(mname_oop, flags); - sun_dyn_MemberName::set_clazz(mname_oop, Klass::cast(field_holder)->java_mirror()); + java_lang_invoke_MemberName::set_vmtarget(mname_oop, vmtarget); + java_lang_invoke_MemberName::set_vmindex(mname_oop, vmindex); + java_lang_invoke_MemberName::set_flags(mname_oop, flags); + java_lang_invoke_MemberName::set_clazz(mname_oop, Klass::cast(field_holder)->java_mirror()); } methodOop MethodHandles::decode_MemberName(oop mname, klassOop& receiver_limit_result, int& decode_flags_result) { - int flags = sun_dyn_MemberName::flags(mname); + int flags = java_lang_invoke_MemberName::flags(mname); if ((flags & (IS_METHOD | IS_CONSTRUCTOR)) == 0) return NULL; // not invocable - oop vmtarget = sun_dyn_MemberName::vmtarget(mname); - int vmindex = sun_dyn_MemberName::vmindex(mname); + oop vmtarget = java_lang_invoke_MemberName::vmtarget(mname); + int vmindex = java_lang_invoke_MemberName::vmindex(mname); if (vmindex == VM_INDEX_UNINITIALIZED) return NULL; // not resolved methodOop m = decode_vmtarget(vmtarget, vmindex, NULL, receiver_limit_result, decode_flags_result); - oop clazz = sun_dyn_MemberName::clazz(mname); + oop clazz = java_lang_invoke_MemberName::clazz(mname); if (clazz != NULL && java_lang_Class::is_instance(clazz)) { klassOop klass = java_lang_Class::as_klassOop(clazz); if (klass != NULL) receiver_limit_result = klass; @@ -442,8 +442,8 @@ Symbol* MethodHandles::convert_to_signature(oop type_str, bool polymorphic, TRAPS) { - if (java_dyn_MethodType::is_instance(type_str)) { - return java_dyn_MethodType::as_signature(type_str, polymorphic, CHECK_NULL); + if (java_lang_invoke_MethodType::is_instance(type_str)) { + return java_lang_invoke_MethodType::as_signature(type_str, polymorphic, CHECK_NULL); } else if (java_lang_Class::is_instance(type_str)) { return java_lang_Class::as_signature(type_str, false, CHECK_NULL); } else if (java_lang_String::is_instance(type_str)) { @@ -461,7 +461,7 @@ // Resolving it plants a vmtarget/vmindex in it, // which refers dirctly to JVM internals. void MethodHandles::resolve_MemberName(Handle mname, TRAPS) { - assert(sun_dyn_MemberName::is_instance(mname()), ""); + assert(java_lang_invoke_MemberName::is_instance(mname()), ""); #ifdef ASSERT // If this assert throws, renegotiate the sentinel value used by the Java code, // so that it is distinct from any valid vtable index value, and any special @@ -472,12 +472,12 @@ const int sentinel_limit = methodOopDesc::highest_unused_vtable_index_value - sentinel_slop; assert(VM_INDEX_UNINITIALIZED < sentinel_limit, "Java sentinel != JVM sentinels"); #endif - if (sun_dyn_MemberName::vmindex(mname()) != VM_INDEX_UNINITIALIZED) + if (java_lang_invoke_MemberName::vmindex(mname()) != VM_INDEX_UNINITIALIZED) return; // already resolved - oop defc_oop = sun_dyn_MemberName::clazz(mname()); - oop name_str = sun_dyn_MemberName::name(mname()); - oop type_str = sun_dyn_MemberName::type(mname()); - int flags = sun_dyn_MemberName::flags(mname()); + oop defc_oop = java_lang_invoke_MemberName::clazz(mname()); + oop name_str = java_lang_invoke_MemberName::name(mname()); + oop type_str = java_lang_invoke_MemberName::type(mname()); + int flags = java_lang_invoke_MemberName::flags(mname()); if (defc_oop == NULL || name_str == NULL || type_str == NULL) { THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "nothing to resolve"); @@ -510,7 +510,7 @@ // convert the external string or reflective type to an internal signature TempNewSymbol type = convert_to_signature(type_str, polymorphic_signature, CHECK); - if (java_dyn_MethodType::is_instance(type_str) && polymorphic_signature) { + if (java_lang_invoke_MethodType::is_instance(type_str) && polymorphic_signature) { polymorphic_method_type = Handle(THREAD, type_str); //preserve exactly } @@ -557,9 +557,9 @@ vmtarget = result.resolved_klass()->as_klassOop(); } int mods = (m->access_flags().as_short() & JVM_RECOGNIZED_METHOD_MODIFIERS); - sun_dyn_MemberName::set_vmtarget(mname(), vmtarget); - sun_dyn_MemberName::set_vmindex(mname(), vmindex); - sun_dyn_MemberName::set_modifiers(mname(), mods); + java_lang_invoke_MemberName::set_vmtarget(mname(), vmtarget); + java_lang_invoke_MemberName::set_vmindex(mname(), vmindex); + java_lang_invoke_MemberName::set_modifiers(mname(), mods); DEBUG_ONLY(int junk; klassOop junk2); assert(decode_MemberName(mname(), junk2, junk) == result.resolved_method()(), "properly stored for later decoding"); @@ -586,9 +586,9 @@ oop vmtarget = m(); int vmindex = methodOopDesc::nonvirtual_vtable_index; int mods = (m->access_flags().as_short() & JVM_RECOGNIZED_METHOD_MODIFIERS); - sun_dyn_MemberName::set_vmtarget(mname(), vmtarget); - sun_dyn_MemberName::set_vmindex(mname(), vmindex); - sun_dyn_MemberName::set_modifiers(mname(), mods); + java_lang_invoke_MemberName::set_vmtarget(mname(), vmtarget); + java_lang_invoke_MemberName::set_vmindex(mname(), vmindex); + java_lang_invoke_MemberName::set_modifiers(mname(), mods); DEBUG_ONLY(int junk; klassOop junk2); assert(decode_MemberName(mname(), junk2, junk) == result.resolved_method()(), "properly stored for later decoding"); @@ -605,9 +605,9 @@ int vmindex = fd.offset(); int mods = (fd.access_flags().as_short() & JVM_RECOGNIZED_FIELD_MODIFIERS); if (vmindex == VM_INDEX_UNINITIALIZED) break; // should not happen - sun_dyn_MemberName::set_vmtarget(mname(), vmtarget); - sun_dyn_MemberName::set_vmindex(mname(), vmindex); - sun_dyn_MemberName::set_modifiers(mname(), mods); + java_lang_invoke_MemberName::set_vmtarget(mname(), vmtarget); + java_lang_invoke_MemberName::set_vmindex(mname(), vmindex); + java_lang_invoke_MemberName::set_modifiers(mname(), mods); return; } default: @@ -618,11 +618,11 @@ if (polymorphic_method_type.not_null()) { // Look on a non-null class loader. Handle cur_class_loader; - const int nptypes = java_dyn_MethodType::ptype_count(polymorphic_method_type()); + const int nptypes = java_lang_invoke_MethodType::ptype_count(polymorphic_method_type()); for (int i = 0; i <= nptypes; i++) { oop type_mirror; - if (i < nptypes) type_mirror = java_dyn_MethodType::ptype(polymorphic_method_type(), i); - else type_mirror = java_dyn_MethodType::rtype(polymorphic_method_type()); + if (i < nptypes) type_mirror = java_lang_invoke_MethodType::ptype(polymorphic_method_type(), i); + else type_mirror = java_lang_invoke_MethodType::rtype(polymorphic_method_type()); klassOop example_type = java_lang_Class::as_klassOop(type_mirror); if (example_type == NULL) continue; oop class_loader = Klass::cast(example_type)->class_loader(); @@ -639,9 +639,9 @@ } if (m != NULL) { int mods = (m->access_flags().as_short() & JVM_RECOGNIZED_METHOD_MODIFIERS); - sun_dyn_MemberName::set_vmtarget(mname(), m); - sun_dyn_MemberName::set_vmindex(mname(), m->vtable_index()); - sun_dyn_MemberName::set_modifiers(mname(), mods); + java_lang_invoke_MemberName::set_vmtarget(mname(), m); + java_lang_invoke_MemberName::set_vmindex(mname(), m->vtable_index()); + java_lang_invoke_MemberName::set_modifiers(mname(), mods); return; } } @@ -653,17 +653,17 @@ // Resolving it plants a vmtarget/vmindex in it, // which refers directly to JVM internals. void MethodHandles::expand_MemberName(Handle mname, int suppress, TRAPS) { - assert(sun_dyn_MemberName::is_instance(mname()), ""); - oop vmtarget = sun_dyn_MemberName::vmtarget(mname()); - int vmindex = sun_dyn_MemberName::vmindex(mname()); + assert(java_lang_invoke_MemberName::is_instance(mname()), ""); + oop vmtarget = java_lang_invoke_MemberName::vmtarget(mname()); + int vmindex = java_lang_invoke_MemberName::vmindex(mname()); if (vmtarget == NULL || vmindex == VM_INDEX_UNINITIALIZED) { THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "nothing to expand"); } - bool have_defc = (sun_dyn_MemberName::clazz(mname()) != NULL); - bool have_name = (sun_dyn_MemberName::name(mname()) != NULL); - bool have_type = (sun_dyn_MemberName::type(mname()) != NULL); - int flags = sun_dyn_MemberName::flags(mname()); + bool have_defc = (java_lang_invoke_MemberName::clazz(mname()) != NULL); + bool have_name = (java_lang_invoke_MemberName::name(mname()) != NULL); + bool have_type = (java_lang_invoke_MemberName::type(mname()) != NULL); + int flags = java_lang_invoke_MemberName::flags(mname()); if (suppress != 0) { if (suppress & _suppress_defc) have_defc = true; @@ -687,16 +687,16 @@ if (receiver_limit != NULL && receiver_limit != defc && Klass::cast(receiver_limit)->is_subtype_of(defc)) defc = receiver_limit; - sun_dyn_MemberName::set_clazz(mname(), Klass::cast(defc)->java_mirror()); + java_lang_invoke_MemberName::set_clazz(mname(), Klass::cast(defc)->java_mirror()); } if (!have_name) { //not java_lang_String::create_from_symbol; let's intern member names Handle name = StringTable::intern(m->name(), CHECK); - sun_dyn_MemberName::set_name(mname(), name()); + java_lang_invoke_MemberName::set_name(mname(), name()); } if (!have_type) { Handle type = java_lang_String::create_from_symbol(m->signature(), CHECK); - sun_dyn_MemberName::set_type(mname(), type()); + java_lang_invoke_MemberName::set_type(mname(), type()); } return; } @@ -711,16 +711,16 @@ if (!defc->find_field_from_offset(vmindex, is_static, &fd)) break; // cannot expand if (!have_defc) { - sun_dyn_MemberName::set_clazz(mname(), defc->java_mirror()); + java_lang_invoke_MemberName::set_clazz(mname(), defc->java_mirror()); } if (!have_name) { //not java_lang_String::create_from_symbol; let's intern member names Handle name = StringTable::intern(fd.name(), CHECK); - sun_dyn_MemberName::set_name(mname(), name()); + java_lang_invoke_MemberName::set_name(mname(), name()); } if (!have_type) { Handle type = java_lang_String::create_from_symbol(fd.signature(), CHECK); - sun_dyn_MemberName::set_type(mname(), type()); + java_lang_invoke_MemberName::set_type(mname(), type()); } return; } @@ -775,7 +775,7 @@ --rskip; } else if (rfill < rlimit) { oop result = results->obj_at(rfill++); - if (!sun_dyn_MemberName::is_instance(result)) + if (!java_lang_invoke_MemberName::is_instance(result)) return -99; // caller bug! MethodHandles::init_MemberName(result, st.klass()->as_klassOop(), st.access_flags(), st.offset()); } else if (++overflow >= overflow_limit) { @@ -823,7 +823,7 @@ --rskip; } else if (rfill < rlimit) { oop result = results->obj_at(rfill++); - if (!sun_dyn_MemberName::is_instance(result)) + if (!java_lang_invoke_MemberName::is_instance(result)) return -99; // caller bug! MethodHandles::init_MemberName(result, m, true); } else if (++overflow >= overflow_limit) { @@ -857,9 +857,9 @@ // Sanitize out methodOops, klassOops, and any other non-Java data. // This is for debugging and reflection. oop MethodHandles::encode_target(Handle mh, int format, TRAPS) { - assert(java_dyn_MethodHandle::is_instance(mh()), "must be a MH"); + assert(java_lang_invoke_MethodHandle::is_instance(mh()), "must be a MH"); if (format == ETF_HANDLE_OR_METHOD_NAME) { - oop target = java_dyn_MethodHandle::vmtarget(mh()); + oop target = java_lang_invoke_MethodHandle::vmtarget(mh()); if (target == NULL) { return NULL; // unformed MH } @@ -874,10 +874,10 @@ if (target->klass() == SystemDictionary::DirectMethodHandle_klass()) { return target; } - if (!java_dyn_MethodHandle::is_instance(target)){ + if (!java_lang_invoke_MethodHandle::is_instance(target)){ return NULL; // unformed MH } - target = java_dyn_MethodHandle::vmtarget(target); + target = java_lang_invoke_MethodHandle::vmtarget(target); } } // cases of metadata in MH.vmtarget: @@ -904,7 +904,7 @@ instanceKlassHandle mname_klass(THREAD, SystemDictionary::MemberName_klass()); mname_klass->initialize(CHECK_NULL); Handle mname = mname_klass->allocate_instance_handle(CHECK_NULL); - sun_dyn_MemberName::set_vmindex(mname(), VM_INDEX_UNINITIALIZED); + java_lang_invoke_MemberName::set_vmindex(mname(), VM_INDEX_UNINITIALIZED); bool do_dispatch = ((decode_flags & MethodHandles::_dmf_does_dispatch) != 0); init_MemberName(mname(), m, do_dispatch); expand_MemberName(mname, 0, CHECK_NULL); @@ -923,10 +923,12 @@ "java/lang/Null", //"java/lang/Nothing", "sun/dyn/empty/Empty", + "sun/invoke/empty/Empty", NULL }; static bool is_always_null_type(klassOop klass) { + if (klass == NULL) return false; // safety if (!Klass::cast(klass)->oop_is_instance()) return false; instanceKlass* ik = instanceKlass::cast(klass); // Must be on the boot class path: @@ -943,6 +945,8 @@ } bool MethodHandles::class_cast_needed(klassOop src, klassOop dst) { + if (dst == NULL) return true; + if (src == NULL) return (dst != SystemDictionary::Object_klass()); if (src == dst || dst == SystemDictionary::Object_klass()) return false; // quickest checks Klass* srck = Klass::cast(src); @@ -1025,10 +1029,15 @@ int first_ptype_pos, KlassHandle insert_ptype, TRAPS) { - objArrayHandle ptypes(THREAD, java_dyn_MethodType::ptypes(mtype())); + Handle mhi_type; + if (m->is_method_handle_invoke()) { + // use this more exact typing instead of the symbolic signature: + mhi_type = Handle(THREAD, m->method_handle_type()); + } + objArrayHandle ptypes(THREAD, java_lang_invoke_MethodType::ptypes(mtype())); int pnum = first_ptype_pos; int pmax = ptypes->length(); - int mnum = 0; // method argument + int anum = 0; // method argument const char* err = NULL; ResourceMark rm(THREAD); for (SignatureStream ss(m->signature()); !ss.is_done(); ss.next()) { @@ -1036,7 +1045,7 @@ if (ss.at_return_type()) { if (pnum != pmax) { err = "too many arguments"; break; } - ptype_oop = java_dyn_MethodType::rtype(mtype()); + ptype_oop = java_lang_invoke_MethodType::rtype(mtype()); } else { if (pnum >= pmax) { err = "not enough arguments"; break; } @@ -1047,47 +1056,70 @@ else ptype_oop = insert_ptype->java_mirror(); pnum += 1; - mnum += 1; + anum += 1; } - klassOop pklass = NULL; - BasicType ptype = T_OBJECT; - if (ptype_oop != NULL) - ptype = java_lang_Class::as_BasicType(ptype_oop, &pklass); - else - // null does not match any non-reference; use Object to report the error - pklass = SystemDictionary::Object_klass(); - klassOop mklass = NULL; - BasicType mtype = ss.type(); - if (mtype == T_ARRAY) mtype = T_OBJECT; // fold all refs to T_OBJECT - if (mtype == T_OBJECT) { - if (ptype_oop == NULL) { + KlassHandle pklass; + BasicType ptype = T_OBJECT; + bool have_ptype = false; + // missing ptype_oop does not match any non-reference; use Object to report the error + pklass = SystemDictionaryHandles::Object_klass(); + if (ptype_oop != NULL) { + have_ptype = true; + klassOop pklass_oop = NULL; + ptype = java_lang_Class::as_BasicType(ptype_oop, &pklass_oop); + pklass = KlassHandle(THREAD, pklass_oop); + } + ptype_oop = NULL; //done with this + KlassHandle aklass; + BasicType atype = ss.type(); + if (atype == T_ARRAY) atype = T_OBJECT; // fold all refs to T_OBJECT + if (atype == T_OBJECT) { + if (!have_ptype) { // null matches any reference continue; } - KlassHandle pklass_handle(THREAD, pklass); pklass = NULL; - // If we fail to resolve types at this point, we will throw an error. - Symbol* name = ss.as_symbol(CHECK); - instanceKlass* mk = instanceKlass::cast(m->method_holder()); - Handle loader(THREAD, mk->class_loader()); - Handle domain(THREAD, mk->protection_domain()); - mklass = SystemDictionary::resolve_or_null(name, loader, domain, CHECK); - pklass = pklass_handle(); - if (mklass == NULL && pklass != NULL && - Klass::cast(pklass)->name() == name && - m->is_method_handle_invoke()) { - // Assume a match. We can't really decode the signature of MH.invoke*. - continue; + if (mhi_type.is_null()) { + // If we fail to resolve types at this point, we will usually throw an error. + TempNewSymbol name = ss.as_symbol_or_null(); + if (name != NULL) { + instanceKlass* mk = instanceKlass::cast(m->method_holder()); + Handle loader(THREAD, mk->class_loader()); + Handle domain(THREAD, mk->protection_domain()); + klassOop aklass_oop = SystemDictionary::resolve_or_null(name, loader, domain, CHECK); + if (aklass_oop != NULL) + aklass = KlassHandle(THREAD, aklass_oop); + } + } else { + // for method handle invokers we don't look at the name in the signature + oop atype_oop; + if (ss.at_return_type()) + atype_oop = java_lang_invoke_MethodType::rtype(mhi_type()); + else + atype_oop = java_lang_invoke_MethodType::ptype(mhi_type(), anum-1); + klassOop aklass_oop = NULL; + atype = java_lang_Class::as_BasicType(atype_oop, &aklass_oop); + aklass = KlassHandle(THREAD, aklass_oop); } } if (!ss.at_return_type()) { - err = check_argument_type_change(ptype, pklass, mtype, mklass, mnum); + err = check_argument_type_change(ptype, pklass(), atype, aklass(), anum); } else { - err = check_return_type_change(mtype, mklass, ptype, pklass); // note reversal! + err = check_return_type_change(atype, aklass(), ptype, pklass()); // note reversal! } if (err != NULL) break; } if (err != NULL) { +#ifndef PRODUCT + if (PrintMiscellaneous && (Verbose || WizardMode)) { + tty->print("*** verify_method_signature failed: "); + java_lang_invoke_MethodType::print_signature(mtype(), tty); + tty->cr(); + tty->print_cr(" first_ptype_pos = %d, insert_ptype = "UINTX_FORMAT, first_ptype_pos, insert_ptype()); + tty->print(" Failing method: "); + m->print(); + } +#endif //PRODUCT THROW_MSG(vmSymbols::java_lang_InternalError(), err); } } @@ -1111,7 +1143,7 @@ } if (m_needs_receiver && err == NULL) { - objArrayOop ptypes = java_dyn_MethodType::ptypes(mtype()); + objArrayOop ptypes = java_lang_invoke_MethodType::ptypes(mtype()); if (ptypes->length() < first_ptype_pos) { err = "receiver argument is missing"; goto die; } if (has_bound_recv) @@ -1131,15 +1163,15 @@ void MethodHandles::verify_vmslots(Handle mh, TRAPS) { // Verify vmslots. - int check_slots = argument_slot_count(java_dyn_MethodHandle::type(mh())); - if (java_dyn_MethodHandle::vmslots(mh()) != check_slots) { + int check_slots = argument_slot_count(java_lang_invoke_MethodHandle::type(mh())); + if (java_lang_invoke_MethodHandle::vmslots(mh()) != check_slots) { THROW_MSG(vmSymbols::java_lang_InternalError(), "bad vmslots in BMH"); } } void MethodHandles::verify_vmargslot(Handle mh, int argnum, int argslot, TRAPS) { // Verify that argslot points at the given argnum. - int check_slot = argument_slot(java_dyn_MethodHandle::type(mh()), argnum); + int check_slot = argument_slot(java_lang_invoke_MethodHandle::type(mh()), argnum); if (argslot != check_slot || argslot < 0) { const char* fmt = "for argnum of %d, vmargslot is %d, should be %d"; size_t msglen = strlen(fmt) + 3*11 + 1; @@ -1160,8 +1192,8 @@ int delete_argnum, oop dst_mtype, int dst_beg, int dst_end, bool raw) { - objArrayOop src_ptypes = java_dyn_MethodType::ptypes(src_mtype); - objArrayOop dst_ptypes = java_dyn_MethodType::ptypes(dst_mtype); + objArrayOop src_ptypes = java_lang_invoke_MethodType::ptypes(src_mtype); + objArrayOop dst_ptypes = java_lang_invoke_MethodType::ptypes(dst_mtype); int src_max = src_ptypes->length(); int dst_max = dst_ptypes->length(); @@ -1224,8 +1256,8 @@ } // Now compare return types also. - oop src_rtype = java_dyn_MethodType::rtype(src_mtype); - oop dst_rtype = java_dyn_MethodType::rtype(dst_mtype); + oop src_rtype = java_lang_invoke_MethodType::rtype(src_mtype); + oop dst_rtype = java_lang_invoke_MethodType::rtype(dst_mtype); if (src_rtype != dst_rtype) { err = check_return_type_change(dst_rtype, src_rtype, raw); // note reversal! if (err != NULL) return err; @@ -1287,10 +1319,12 @@ // format, format, format const char* src_name = type2name(src_type); const char* dst_name = type2name(dst_type); - if (src_type == T_OBJECT) src_name = Klass::cast(src_klass)->external_name(); - if (dst_type == T_OBJECT) dst_name = Klass::cast(dst_klass)->external_name(); if (src_name == NULL) src_name = "unknown type"; if (dst_name == NULL) dst_name = "unknown type"; + if (src_type == T_OBJECT) + src_name = (src_klass != NULL) ? Klass::cast(src_klass)->external_name() : "an unresolved class"; + if (dst_type == T_OBJECT) + dst_name = (dst_klass != NULL) ? Klass::cast(dst_klass)->external_name() : "an unresolved class"; size_t msglen = strlen(err) + strlen(src_name) + strlen(dst_name) + (argnum < 10 ? 1 : 11); char* msg = NEW_RESOURCE_ARRAY(char, msglen + 1); @@ -1314,7 +1348,7 @@ // then return a negative number. Otherwise, the result // is in the range [0..vmslots] inclusive. int MethodHandles::argument_slot(oop method_type, int arg) { - objArrayOop ptypes = java_dyn_MethodType::ptypes(method_type); + objArrayOop ptypes = java_lang_invoke_MethodType::ptypes(method_type); int argslot = 0; int len = ptypes->length(); if (arg < -1 || arg >= len) return -99; @@ -1328,7 +1362,7 @@ // Given a slot number, return the argument number. int MethodHandles::argument_slot_to_argnum(oop method_type, int query_argslot) { - objArrayOop ptypes = java_dyn_MethodType::ptypes(method_type); + objArrayOop ptypes = java_lang_invoke_MethodType::ptypes(method_type); int argslot = 0; int len = ptypes->length(); for (int i = len-1; i >= 0; i--) { @@ -1394,11 +1428,11 @@ void MethodHandles::verify_DirectMethodHandle(Handle mh, methodHandle m, TRAPS) { // Verify type. - Handle mtype(THREAD, java_dyn_MethodHandle::type(mh())); + Handle mtype(THREAD, java_lang_invoke_MethodHandle::type(mh())); verify_method_type(m, mtype, false, KlassHandle(), CHECK); // Verify vmslots. - if (java_dyn_MethodHandle::vmslots(mh()) != m->size_of_parameters()) { + if (java_lang_invoke_MethodHandle::vmslots(mh()) != m->size_of_parameters()) { THROW_MSG(vmSymbols::java_lang_InternalError(), "bad vmslots in DMH"); } } @@ -1410,7 +1444,7 @@ THROW(vmSymbols::java_lang_InternalError()); } - java_dyn_MethodHandle::init_vmslots(mh()); + java_lang_invoke_MethodHandle::init_vmslots(mh()); if (VerifyMethodHandles) { // The privileged code which invokes this routine should not make @@ -1470,8 +1504,8 @@ if (me == NULL) { THROW(vmSymbols::java_lang_InternalError()); } - sun_dyn_DirectMethodHandle::set_vmtarget(mh(), vmtarget); - sun_dyn_DirectMethodHandle::set_vmindex(mh(), vmindex); + java_lang_invoke_DirectMethodHandle::set_vmtarget(mh(), vmtarget); + java_lang_invoke_DirectMethodHandle::set_vmindex(mh(), vmindex); DEBUG_ONLY(int flags; klassOop rlimit); assert(MethodHandles::decode_method(mh(), rlimit, flags) == m(), "properly stored for later decoding"); @@ -1482,15 +1516,15 @@ assert(decode_MethodHandle_stack_pushes(mh()) == 0, "DMH does not move stack"); // Done! - java_dyn_MethodHandle::set_vmentry(mh(), me); + java_lang_invoke_MethodHandle::set_vmentry(mh(), me); } void MethodHandles::verify_BoundMethodHandle_with_receiver(Handle mh, methodHandle m, TRAPS) { // Verify type. - oop receiver = sun_dyn_BoundMethodHandle::argument(mh()); - Handle mtype(THREAD, java_dyn_MethodHandle::type(mh())); + oop receiver = java_lang_invoke_BoundMethodHandle::argument(mh()); + Handle mtype(THREAD, java_lang_invoke_MethodHandle::type(mh())); KlassHandle bound_recv_type; if (receiver != NULL) bound_recv_type = KlassHandle(THREAD, receiver->klass()); verify_method_type(m, mtype, true, bound_recv_type, CHECK); @@ -1498,11 +1532,11 @@ int receiver_pos = m->size_of_parameters() - 1; // Verify MH.vmargslot, which should point at the bound receiver. - verify_vmargslot(mh, -1, sun_dyn_BoundMethodHandle::vmargslot(mh()), CHECK); + verify_vmargslot(mh, -1, java_lang_invoke_BoundMethodHandle::vmargslot(mh()), CHECK); //verify_vmslots(mh, CHECK); // Verify vmslots. - if (java_dyn_MethodHandle::vmslots(mh()) != receiver_pos) { + if (java_lang_invoke_MethodHandle::vmslots(mh()) != receiver_pos) { THROW_MSG(vmSymbols::java_lang_InternalError(), "bad vmslots in BMH (receiver)"); } } @@ -1520,7 +1554,7 @@ KlassHandle receiver_klass; { - oop receiver_oop = sun_dyn_BoundMethodHandle::argument(mh()); + oop receiver_oop = java_lang_invoke_BoundMethodHandle::argument(mh()); if (receiver_oop != NULL) receiver_klass = KlassHandle(THREAD, receiver_oop->klass()); } @@ -1531,31 +1565,31 @@ if (m.is_null()) { THROW(vmSymbols::java_lang_InternalError()); } if (m->is_abstract()) { THROW(vmSymbols::java_lang_AbstractMethodError()); } - java_dyn_MethodHandle::init_vmslots(mh()); + java_lang_invoke_MethodHandle::init_vmslots(mh()); if (VerifyMethodHandles) { verify_BoundMethodHandle_with_receiver(mh, m, CHECK); } - sun_dyn_BoundMethodHandle::set_vmtarget(mh(), m()); + java_lang_invoke_BoundMethodHandle::set_vmtarget(mh(), m()); DEBUG_ONLY(int junk; klassOop junk2); assert(MethodHandles::decode_method(mh(), junk2, junk) == m(), "properly stored for later decoding"); assert(decode_MethodHandle_stack_pushes(mh()) == 1, "BMH pushes one stack slot"); // Done! - java_dyn_MethodHandle::set_vmentry(mh(), MethodHandles::entry(MethodHandles::_bound_ref_direct_mh)); + java_lang_invoke_MethodHandle::set_vmentry(mh(), MethodHandles::entry(MethodHandles::_bound_ref_direct_mh)); } void MethodHandles::verify_BoundMethodHandle(Handle mh, Handle target, int argnum, bool direct_to_method, TRAPS) { Handle ptype_handle(THREAD, - java_dyn_MethodType::ptype(java_dyn_MethodHandle::type(target()), argnum)); + java_lang_invoke_MethodType::ptype(java_lang_invoke_MethodHandle::type(target()), argnum)); KlassHandle ptype_klass; BasicType ptype = java_lang_Class::as_BasicType(ptype_handle(), &ptype_klass); int slots_pushed = type2size[ptype]; - oop argument = sun_dyn_BoundMethodHandle::argument(mh()); + oop argument = java_lang_invoke_BoundMethodHandle::argument(mh()); const char* err = NULL; @@ -1623,9 +1657,9 @@ if (err == NULL) { // Verify the rest of the method type. - err = check_method_type_insertion(java_dyn_MethodHandle::type(mh()), + err = check_method_type_insertion(java_lang_invoke_MethodHandle::type(mh()), argnum, ptype_handle(), - java_dyn_MethodHandle::type(target())); + java_lang_invoke_MethodHandle::type(target())); } if (err != NULL) { @@ -1635,20 +1669,20 @@ void MethodHandles::init_BoundMethodHandle(Handle mh, Handle target, int argnum, TRAPS) { // Check arguments. - if (mh.is_null() || target.is_null() || !java_dyn_MethodHandle::is_instance(target())) { + if (mh.is_null() || target.is_null() || !java_lang_invoke_MethodHandle::is_instance(target())) { THROW(vmSymbols::java_lang_InternalError()); } - java_dyn_MethodHandle::init_vmslots(mh()); + java_lang_invoke_MethodHandle::init_vmslots(mh()); if (VerifyMethodHandles) { int insert_after = argnum - 1; - verify_vmargslot(mh, insert_after, sun_dyn_BoundMethodHandle::vmargslot(mh()), CHECK); + verify_vmargslot(mh, insert_after, java_lang_invoke_BoundMethodHandle::vmargslot(mh()), CHECK); verify_vmslots(mh, CHECK); } // Get bound type and required slots. - oop ptype_oop = java_dyn_MethodType::ptype(java_dyn_MethodHandle::type(target()), argnum); + oop ptype_oop = java_lang_invoke_MethodType::ptype(java_lang_invoke_MethodHandle::type(target()), argnum); BasicType ptype = java_lang_Class::as_BasicType(ptype_oop); int slots_pushed = type2size[ptype]; @@ -1659,12 +1693,12 @@ bool direct_to_method = false; if (OptimizeMethodHandles && target->klass() == SystemDictionary::DirectMethodHandle_klass() && - (argnum == 0 || sun_dyn_DirectMethodHandle::vmindex(target()) < 0)) { + (argnum == 0 || java_lang_invoke_DirectMethodHandle::vmindex(target()) < 0)) { int decode_flags = 0; klassOop receiver_limit_oop = NULL; methodHandle m(THREAD, decode_method(target(), receiver_limit_oop, decode_flags)); if (m.is_null()) { THROW_MSG(vmSymbols::java_lang_InternalError(), "DMH failed to decode"); } DEBUG_ONLY(int m_vmslots = m->size_of_parameters() - slots_pushed); // pos. of 1st arg. - assert(sun_dyn_BoundMethodHandle::vmslots(mh()) == m_vmslots, "type w/ m sig"); + assert(java_lang_invoke_BoundMethodHandle::vmslots(mh()) == m_vmslots, "type w/ m sig"); if (argnum == 0 && (decode_flags & _dmf_has_receiver) != 0) { KlassHandle receiver_limit(THREAD, receiver_limit_oop); init_BoundMethodHandle_with_receiver(mh, m, @@ -1677,11 +1711,11 @@ // to bind another argument and still invoke the methodOop directly. if (!(decode_flags & _dmf_does_dispatch)) { direct_to_method = true; - sun_dyn_BoundMethodHandle::set_vmtarget(mh(), m()); + java_lang_invoke_BoundMethodHandle::set_vmtarget(mh(), m()); } } if (!direct_to_method) - sun_dyn_BoundMethodHandle::set_vmtarget(mh(), target()); + java_lang_invoke_BoundMethodHandle::set_vmtarget(mh(), target()); if (VerifyMethodHandles) { verify_BoundMethodHandle(mh, target, argnum, direct_to_method, CHECK); @@ -1703,7 +1737,7 @@ } // Done! - java_dyn_MethodHandle::set_vmentry(mh(), me); + java_lang_invoke_MethodHandle::set_vmentry(mh(), me); } static void throw_InternalError_for_bad_conversion(int conversion, const char* err, TRAPS) { @@ -1713,8 +1747,8 @@ } void MethodHandles::verify_AdapterMethodHandle(Handle mh, int argnum, TRAPS) { - jint conversion = sun_dyn_AdapterMethodHandle::conversion(mh()); - int argslot = sun_dyn_AdapterMethodHandle::vmargslot(mh()); + jint conversion = java_lang_invoke_AdapterMethodHandle::conversion(mh()); + int argslot = java_lang_invoke_AdapterMethodHandle::vmargslot(mh()); verify_vmargslot(mh, argnum, argslot, CHECK); verify_vmslots(mh, CHECK); @@ -1731,10 +1765,10 @@ BasicType dest = adapter_conversion_dest_type(conversion); int vminfo = adapter_conversion_vminfo(conversion); // should be zero - Handle argument(THREAD, sun_dyn_AdapterMethodHandle::argument(mh())); - Handle target(THREAD, sun_dyn_AdapterMethodHandle::vmtarget(mh())); - Handle src_mtype(THREAD, java_dyn_MethodHandle::type(mh())); - Handle dst_mtype(THREAD, java_dyn_MethodHandle::type(target())); + Handle argument(THREAD, java_lang_invoke_AdapterMethodHandle::argument(mh())); + Handle target(THREAD, java_lang_invoke_AdapterMethodHandle::vmtarget(mh())); + Handle src_mtype(THREAD, java_lang_invoke_MethodHandle::type(mh())); + Handle dst_mtype(THREAD, java_lang_invoke_MethodHandle::type(target())); const char* err = NULL; @@ -1760,7 +1794,7 @@ break; case _adapter_flyby: case _adapter_ricochet: - if (!java_dyn_MethodHandle::is_instance(argument())) + if (!java_lang_invoke_MethodHandle::is_instance(argument())) { err = "MethodHandle adapter argument required"; break; } break; default: @@ -1806,9 +1840,9 @@ err = "adapter requires src/dest conversion subfields for swap"; break; } int swap_size = type2size[src]; - oop src_mtype = sun_dyn_AdapterMethodHandle::type(mh()); - oop dest_mtype = sun_dyn_AdapterMethodHandle::type(target()); - int slot_limit = sun_dyn_AdapterMethodHandle::vmslots(target()); + oop src_mtype = java_lang_invoke_AdapterMethodHandle::type(mh()); + oop dest_mtype = java_lang_invoke_AdapterMethodHandle::type(target()); + int slot_limit = java_lang_invoke_AdapterMethodHandle::vmslots(target()); int src_slot = argslot; int dest_slot = vminfo; bool rotate_up = (src_slot > dest_slot); // upward rotation @@ -1821,8 +1855,8 @@ } else if (ek == _adapter_swap_args && !(src_slot > dest_slot)) { err = "source of swap must be deeper in stack"; } else if (ek == _adapter_swap_args) { - err = check_argument_type_change(java_dyn_MethodType::ptype(src_mtype, dest_arg), - java_dyn_MethodType::ptype(dest_mtype, src_arg), + err = check_argument_type_change(java_lang_invoke_MethodType::ptype(src_mtype, dest_arg), + java_lang_invoke_MethodType::ptype(dest_mtype, src_arg), dest_arg); } else if (ek == _adapter_rot_args) { if (rotate_up) { @@ -1830,8 +1864,8 @@ // rotate up: [dest_slot..src_slot-ss] --> [dest_slot+ss..src_slot] // that is: [src_arg+1..dest_arg] --> [src_arg..dest_arg-1] for (int i = src_arg+1; i <= dest_arg && err == NULL; i++) { - err = check_argument_type_change(java_dyn_MethodType::ptype(src_mtype, i), - java_dyn_MethodType::ptype(dest_mtype, i-1), + err = check_argument_type_change(java_lang_invoke_MethodType::ptype(src_mtype, i), + java_lang_invoke_MethodType::ptype(dest_mtype, i-1), i); } } else { // rotate down @@ -1839,15 +1873,15 @@ // rotate down: [src_slot+ss..dest_slot] --> [src_slot..dest_slot-ss] // that is: [dest_arg..src_arg-1] --> [dst_arg+1..src_arg] for (int i = dest_arg; i <= src_arg-1 && err == NULL; i++) { - err = check_argument_type_change(java_dyn_MethodType::ptype(src_mtype, i), - java_dyn_MethodType::ptype(dest_mtype, i+1), + err = check_argument_type_change(java_lang_invoke_MethodType::ptype(src_mtype, i), + java_lang_invoke_MethodType::ptype(dest_mtype, i+1), i); } } } if (err == NULL) - err = check_argument_type_change(java_dyn_MethodType::ptype(src_mtype, src_arg), - java_dyn_MethodType::ptype(dest_mtype, dest_arg), + err = check_argument_type_change(java_lang_invoke_MethodType::ptype(src_mtype, src_arg), + java_lang_invoke_MethodType::ptype(dest_mtype, dest_arg), src_arg); } break; @@ -1918,8 +1952,8 @@ if (err == NULL) { // Make sure this adapter does not push too deeply. int slots_pushed = stack_move / stack_move_unit(); - int this_vmslots = java_dyn_MethodHandle::vmslots(mh()); - int target_vmslots = java_dyn_MethodHandle::vmslots(target()); + int this_vmslots = java_lang_invoke_MethodHandle::vmslots(mh()); + int target_vmslots = java_lang_invoke_MethodHandle::vmslots(target()); if (slots_pushed != (target_vmslots - this_vmslots)) { err = "stack_move inconsistent with previous and current MethodType vmslots"; } else if (slots_pushed > 0) { @@ -1961,7 +1995,7 @@ case _adapter_check_cast: { // The actual value being checked must be a reference: - err = check_argument_type_change(java_dyn_MethodType::ptype(src_mtype(), argnum), + err = check_argument_type_change(java_lang_invoke_MethodType::ptype(src_mtype(), argnum), object_java_mirror(), argnum); if (err != NULL) break; @@ -1985,9 +2019,9 @@ } void MethodHandles::init_AdapterMethodHandle(Handle mh, Handle target, int argnum, TRAPS) { - oop argument = sun_dyn_AdapterMethodHandle::argument(mh()); - int argslot = sun_dyn_AdapterMethodHandle::vmargslot(mh()); - jint conversion = sun_dyn_AdapterMethodHandle::conversion(mh()); + oop argument = java_lang_invoke_AdapterMethodHandle::argument(mh()); + int argslot = java_lang_invoke_AdapterMethodHandle::vmargslot(mh()); + jint conversion = java_lang_invoke_AdapterMethodHandle::conversion(mh()); jint conv_op = adapter_conversion_op(conversion); // adjust the adapter code to the internal EntryKind enumeration: @@ -1995,11 +2029,11 @@ EntryKind ek_opt = ek_orig; // may be optimized // Finalize the vmtarget field (Java initialized it to null). - if (!java_dyn_MethodHandle::is_instance(target())) { + if (!java_lang_invoke_MethodHandle::is_instance(target())) { throw_InternalError_for_bad_conversion(conversion, "bad target", THREAD); return; } - sun_dyn_AdapterMethodHandle::set_vmtarget(mh(), target()); + java_lang_invoke_AdapterMethodHandle::set_vmtarget(mh(), target()); if (VerifyMethodHandles) { verify_AdapterMethodHandle(mh, argnum, CHECK); @@ -2083,7 +2117,7 @@ case _adapter_rot_args: { int swap_slots = type2size[src]; - int slot_limit = sun_dyn_AdapterMethodHandle::vmslots(mh()); + int slot_limit = java_lang_invoke_AdapterMethodHandle::vmslots(mh()); int src_slot = argslot; int dest_slot = vminfo; int rotate = (ek_orig == _adapter_swap_args) ? 0 : (src_slot > dest_slot) ? 1 : -1; @@ -2147,10 +2181,10 @@ jint new_conversion = adapter_conversion(conv_op, src, dest, stack_move, vminfo); // Finalize the conversion field. (Note that it is final to Java code.) - sun_dyn_AdapterMethodHandle::set_conversion(mh(), new_conversion); + java_lang_invoke_AdapterMethodHandle::set_conversion(mh(), new_conversion); // Done! - java_dyn_MethodHandle::set_vmentry(mh(), entry(ek_opt)); + java_lang_invoke_MethodHandle::set_vmentry(mh(), entry(ek_opt)); // There should be enough memory barriers on exit from native methods // to ensure that the MH is fully initialized to all threads before @@ -2158,7 +2192,7 @@ } // -// Here are the native methods on sun.dyn.MethodHandleImpl. +// Here are the native methods on sun.invoke.MethodHandleImpl. // They are the private interface between this JVM and the HotSpot-specific // Java code that implements JSR 292 method handles. // @@ -2168,7 +2202,7 @@ // direct method handles for invokestatic or invokespecial // void init(DirectMethodHandle self, MemberName ref, boolean doDispatch, Class<?> caller); -JVM_ENTRY(void, MHI_init_DMH(JNIEnv *env, jobject igcls, jobject mh_jh, +JVM_ENTRY(void, MHN_init_DMH(JNIEnv *env, jobject igcls, jobject mh_jh, jobject target_jh, jboolean do_dispatch, jobject caller_jh)) { ResourceMark rm; // for error messages @@ -2177,13 +2211,13 @@ Handle mh(THREAD, JNIHandles::resolve_non_null(mh_jh)); // Early returns out of this method leave the DMH in an unfinished state. - assert(java_dyn_MethodHandle::vmentry(mh()) == NULL, "must be safely null"); + assert(java_lang_invoke_MethodHandle::vmentry(mh()) == NULL, "must be safely null"); // which method are we really talking about? if (target_jh == NULL) { THROW(vmSymbols::java_lang_InternalError()); } oop target_oop = JNIHandles::resolve_non_null(target_jh); - if (sun_dyn_MemberName::is_instance(target_oop) && - sun_dyn_MemberName::vmindex(target_oop) == VM_INDEX_UNINITIALIZED) { + if (java_lang_invoke_MemberName::is_instance(target_oop) && + java_lang_invoke_MemberName::vmindex(target_oop) == VM_INDEX_UNINITIALIZED) { Handle mname(THREAD, target_oop); MethodHandles::resolve_MemberName(mname, CHECK); target_oop = mname(); // in case of GC @@ -2232,7 +2266,7 @@ JVM_END // bound method handles -JVM_ENTRY(void, MHI_init_BMH(JNIEnv *env, jobject igcls, jobject mh_jh, +JVM_ENTRY(void, MHN_init_BMH(JNIEnv *env, jobject igcls, jobject mh_jh, jobject target_jh, int argnum)) { ResourceMark rm; // for error messages @@ -2241,12 +2275,12 @@ Handle mh(THREAD, JNIHandles::resolve_non_null(mh_jh)); // Early returns out of this method leave the BMH in an unfinished state. - assert(java_dyn_MethodHandle::vmentry(mh()) == NULL, "must be safely null"); + assert(java_lang_invoke_MethodHandle::vmentry(mh()) == NULL, "must be safely null"); if (target_jh == NULL) { THROW(vmSymbols::java_lang_InternalError()); } Handle target(THREAD, JNIHandles::resolve_non_null(target_jh)); - if (!java_dyn_MethodHandle::is_instance(target())) { + if (!java_lang_invoke_MethodHandle::is_instance(target())) { // Target object is a reflective method. (%%% Do we need this alternate path?) Untested("init_BMH of non-MH"); if (argnum != 0) { THROW(vmSymbols::java_lang_InternalError()); } @@ -2269,7 +2303,7 @@ JVM_END // adapter method handles -JVM_ENTRY(void, MHI_init_AMH(JNIEnv *env, jobject igcls, jobject mh_jh, +JVM_ENTRY(void, MHN_init_AMH(JNIEnv *env, jobject igcls, jobject mh_jh, jobject target_jh, int argnum)) { // This is the guy we are initializing: if (mh_jh == NULL || target_jh == NULL) { @@ -2279,14 +2313,14 @@ Handle target(THREAD, JNIHandles::resolve_non_null(target_jh)); // Early returns out of this method leave the AMH in an unfinished state. - assert(java_dyn_MethodHandle::vmentry(mh()) == NULL, "must be safely null"); + assert(java_lang_invoke_MethodHandle::vmentry(mh()) == NULL, "must be safely null"); MethodHandles::init_AdapterMethodHandle(mh, target, argnum, CHECK); } JVM_END // method type forms -JVM_ENTRY(void, MHI_init_MT(JNIEnv *env, jobject igcls, jobject erased_jh)) { +JVM_ENTRY(void, MHN_init_MT(JNIEnv *env, jobject igcls, jobject erased_jh)) { if (erased_jh == NULL) return; if (TraceMethodHandles) { tty->print("creating MethodType form "); @@ -2307,9 +2341,9 @@ JVM_END // debugging and reflection -JVM_ENTRY(jobject, MHI_getTarget(JNIEnv *env, jobject igcls, jobject mh_jh, jint format)) { +JVM_ENTRY(jobject, MHN_getTarget(JNIEnv *env, jobject igcls, jobject mh_jh, jint format)) { Handle mh(THREAD, JNIHandles::resolve(mh_jh)); - if (!java_dyn_MethodHandle::is_instance(mh())) { + if (!java_lang_invoke_MethodHandle::is_instance(mh())) { THROW_NULL(vmSymbols::java_lang_IllegalArgumentException()); } oop target = MethodHandles::encode_target(mh, format, CHECK_NULL); @@ -2317,7 +2351,7 @@ } JVM_END -JVM_ENTRY(jint, MHI_getConstant(JNIEnv *env, jobject igcls, jint which)) { +JVM_ENTRY(jint, MHN_getConstant(JNIEnv *env, jobject igcls, jint which)) { switch (which) { case MethodHandles::GC_JVM_PUSH_LIMIT: guarantee(MethodHandlePushLimit >= 2 && MethodHandlePushLimit <= 0xFF, @@ -2341,36 +2375,36 @@ template(MethodHandles,ETF_DIRECT_HANDLE) \ template(MethodHandles,ETF_METHOD_NAME) \ template(MethodHandles,ETF_REFLECT_METHOD) \ - template(sun_dyn_MemberName,MN_IS_METHOD) \ - template(sun_dyn_MemberName,MN_IS_CONSTRUCTOR) \ - template(sun_dyn_MemberName,MN_IS_FIELD) \ - template(sun_dyn_MemberName,MN_IS_TYPE) \ - template(sun_dyn_MemberName,MN_SEARCH_SUPERCLASSES) \ - template(sun_dyn_MemberName,MN_SEARCH_INTERFACES) \ - template(sun_dyn_MemberName,VM_INDEX_UNINITIALIZED) \ - template(sun_dyn_AdapterMethodHandle,OP_RETYPE_ONLY) \ - template(sun_dyn_AdapterMethodHandle,OP_RETYPE_RAW) \ - template(sun_dyn_AdapterMethodHandle,OP_CHECK_CAST) \ - template(sun_dyn_AdapterMethodHandle,OP_PRIM_TO_PRIM) \ - template(sun_dyn_AdapterMethodHandle,OP_REF_TO_PRIM) \ - template(sun_dyn_AdapterMethodHandle,OP_PRIM_TO_REF) \ - template(sun_dyn_AdapterMethodHandle,OP_SWAP_ARGS) \ - template(sun_dyn_AdapterMethodHandle,OP_ROT_ARGS) \ - template(sun_dyn_AdapterMethodHandle,OP_DUP_ARGS) \ - template(sun_dyn_AdapterMethodHandle,OP_DROP_ARGS) \ - template(sun_dyn_AdapterMethodHandle,OP_COLLECT_ARGS) \ - template(sun_dyn_AdapterMethodHandle,OP_SPREAD_ARGS) \ - template(sun_dyn_AdapterMethodHandle,OP_FLYBY) \ - template(sun_dyn_AdapterMethodHandle,OP_RICOCHET) \ - template(sun_dyn_AdapterMethodHandle,CONV_OP_LIMIT) \ - template(sun_dyn_AdapterMethodHandle,CONV_OP_MASK) \ - template(sun_dyn_AdapterMethodHandle,CONV_VMINFO_MASK) \ - template(sun_dyn_AdapterMethodHandle,CONV_VMINFO_SHIFT) \ - template(sun_dyn_AdapterMethodHandle,CONV_OP_SHIFT) \ - template(sun_dyn_AdapterMethodHandle,CONV_DEST_TYPE_SHIFT) \ - template(sun_dyn_AdapterMethodHandle,CONV_SRC_TYPE_SHIFT) \ - template(sun_dyn_AdapterMethodHandle,CONV_STACK_MOVE_SHIFT) \ - template(sun_dyn_AdapterMethodHandle,CONV_STACK_MOVE_MASK) \ + template(java_lang_invoke_MemberName,MN_IS_METHOD) \ + template(java_lang_invoke_MemberName,MN_IS_CONSTRUCTOR) \ + template(java_lang_invoke_MemberName,MN_IS_FIELD) \ + template(java_lang_invoke_MemberName,MN_IS_TYPE) \ + template(java_lang_invoke_MemberName,MN_SEARCH_SUPERCLASSES) \ + template(java_lang_invoke_MemberName,MN_SEARCH_INTERFACES) \ + template(java_lang_invoke_MemberName,VM_INDEX_UNINITIALIZED) \ + template(java_lang_invoke_AdapterMethodHandle,OP_RETYPE_ONLY) \ + template(java_lang_invoke_AdapterMethodHandle,OP_RETYPE_RAW) \ + template(java_lang_invoke_AdapterMethodHandle,OP_CHECK_CAST) \ + template(java_lang_invoke_AdapterMethodHandle,OP_PRIM_TO_PRIM) \ + template(java_lang_invoke_AdapterMethodHandle,OP_REF_TO_PRIM) \ + template(java_lang_invoke_AdapterMethodHandle,OP_PRIM_TO_REF) \ + template(java_lang_invoke_AdapterMethodHandle,OP_SWAP_ARGS) \ + template(java_lang_invoke_AdapterMethodHandle,OP_ROT_ARGS) \ + template(java_lang_invoke_AdapterMethodHandle,OP_DUP_ARGS) \ + template(java_lang_invoke_AdapterMethodHandle,OP_DROP_ARGS) \ + template(java_lang_invoke_AdapterMethodHandle,OP_COLLECT_ARGS) \ + template(java_lang_invoke_AdapterMethodHandle,OP_SPREAD_ARGS) \ + template(java_lang_invoke_AdapterMethodHandle,OP_FLYBY) \ + template(java_lang_invoke_AdapterMethodHandle,OP_RICOCHET) \ + template(java_lang_invoke_AdapterMethodHandle,CONV_OP_LIMIT) \ + template(java_lang_invoke_AdapterMethodHandle,CONV_OP_MASK) \ + template(java_lang_invoke_AdapterMethodHandle,CONV_VMINFO_MASK) \ + template(java_lang_invoke_AdapterMethodHandle,CONV_VMINFO_SHIFT) \ + template(java_lang_invoke_AdapterMethodHandle,CONV_OP_SHIFT) \ + template(java_lang_invoke_AdapterMethodHandle,CONV_DEST_TYPE_SHIFT) \ + template(java_lang_invoke_AdapterMethodHandle,CONV_SRC_TYPE_SHIFT) \ + template(java_lang_invoke_AdapterMethodHandle,CONV_STACK_MOVE_SHIFT) \ + template(java_lang_invoke_AdapterMethodHandle,CONV_STACK_MOVE_MASK) \ /*end*/ #define ONE_PLUS(scope,value) 1+ @@ -2386,7 +2420,7 @@ #undef EACH_NAMED_CON #endif -JVM_ENTRY(jint, MHI_getNamedCon(JNIEnv *env, jobject igcls, jint which, jobjectArray box_jh)) { +JVM_ENTRY(jint, MHN_getNamedCon(JNIEnv *env, jobject igcls, jint which, jobjectArray box_jh)) { #ifndef PRODUCT if (which >= 0 && which < con_value_count) { int con = con_values[which]; @@ -2406,7 +2440,7 @@ JVM_END // void init(MemberName self, AccessibleObject ref) -JVM_ENTRY(void, MHI_init_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jobject target_jh)) { +JVM_ENTRY(void, MHN_init_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jobject target_jh)) { if (mname_jh == NULL || target_jh == NULL) { THROW(vmSymbols::java_lang_InternalError()); } Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh)); oop target_oop = JNIHandles::resolve_non_null(target_jh); @@ -2415,7 +2449,7 @@ JVM_END // void expand(MemberName self) -JVM_ENTRY(void, MHI_expand_Mem(JNIEnv *env, jobject igcls, jobject mname_jh)) { +JVM_ENTRY(void, MHN_expand_Mem(JNIEnv *env, jobject igcls, jobject mname_jh)) { if (mname_jh == NULL) { THROW(vmSymbols::java_lang_InternalError()); } Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh)); MethodHandles::expand_MemberName(mname, 0, CHECK); @@ -2423,14 +2457,14 @@ JVM_END // void resolve(MemberName self, Class<?> caller) -JVM_ENTRY(void, MHI_resolve_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jclass caller_jh)) { +JVM_ENTRY(void, MHN_resolve_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jclass caller_jh)) { if (mname_jh == NULL) { THROW(vmSymbols::java_lang_InternalError()); } Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh)); // The trusted Java code that calls this method should already have performed // access checks on behalf of the given caller. But, we can verify this. if (VerifyMethodHandles && caller_jh != NULL) { - klassOop reference_klass = java_lang_Class::as_klassOop(sun_dyn_MemberName::clazz(mname())); + klassOop reference_klass = java_lang_Class::as_klassOop(java_lang_invoke_MemberName::clazz(mname())); if (reference_klass != NULL) { // Emulate LinkResolver::check_klass_accessability. klassOop caller = java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(caller_jh)); @@ -2448,7 +2482,7 @@ // static native int getMembers(Class<?> defc, String matchName, String matchSig, // int matchFlags, Class<?> caller, int skip, MemberName[] results); -JVM_ENTRY(jint, MHI_getMembers(JNIEnv *env, jobject igcls, +JVM_ENTRY(jint, MHN_getMembers(JNIEnv *env, jobject igcls, jclass clazz_jh, jstring name_jh, jstring sig_jh, int mflags, jclass caller_jh, jint skip, jobjectArray results_jh)) { if (clazz_jh == NULL || results_jh == NULL) return -1; @@ -2487,116 +2521,51 @@ } JVM_END -JVM_ENTRY(void, MHI_registerBootstrap(JNIEnv *env, jobject igcls, jclass caller_jh, jobject bsm_jh)) { - instanceKlassHandle ik = MethodHandles::resolve_instance_klass(caller_jh, THREAD); - if (!AllowTransitionalJSR292) { - THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), - "registerBootstrapMethod is only supported in JSR 292 EDR"); - } - ik->link_class(CHECK); - if (!java_dyn_MethodHandle::is_instance(JNIHandles::resolve(bsm_jh))) { - THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "method handle"); - } - const char* err = NULL; - if (ik->is_initialized() || ik->is_in_error_state()) { - err = "too late: class is already initialized"; - } else { - ObjectLocker ol(ik, THREAD); // note: this should be a recursive lock - if (ik->is_not_initialized() || - (ik->is_being_initialized() && ik->is_reentrant_initialization(THREAD))) { - if (ik->bootstrap_method() != NULL) { - err = "class is already equipped with a bootstrap method"; - } else { - ik->set_bootstrap_method(JNIHandles::resolve_non_null(bsm_jh)); - err = NULL; - } - } else { - err = "class is already initialized"; - if (ik->is_being_initialized()) - err = "class is already being initialized in a different thread"; - } - } - if (err != NULL) { - THROW_MSG(vmSymbols::java_lang_IllegalStateException(), err); - } -} -JVM_END - -JVM_ENTRY(jobject, MHI_getBootstrap(JNIEnv *env, jobject igcls, jclass caller_jh)) { - instanceKlassHandle ik = MethodHandles::resolve_instance_klass(caller_jh, THREAD); - return JNIHandles::make_local(THREAD, ik->bootstrap_method()); -} -JVM_END - -JVM_ENTRY(void, MHI_setCallSiteTarget(JNIEnv *env, jobject igcls, jobject site_jh, jobject target_jh)) { - // No special action required, yet. - oop site_oop = JNIHandles::resolve(site_jh); - if (!java_dyn_CallSite::is_instance(site_oop)) - THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "not a CallSite"); - java_dyn_CallSite::set_target(site_oop, JNIHandles::resolve(target_jh)); -} -JVM_END - /// JVM_RegisterMethodHandleMethods -#define ADR "J" - #define LANG "Ljava/lang/" -#define JDYN "Ljava/dyn/" -#define IDYN "Lsun/dyn/" +#define JLINV "Ljava/lang/invoke/" #define OBJ LANG"Object;" #define CLS LANG"Class;" #define STRG LANG"String;" -#define CST JDYN"CallSite;" -#define MT JDYN"MethodType;" -#define MH JDYN"MethodHandle;" -#define MHI IDYN"MethodHandleImpl;" -#define MEM IDYN"MemberName;" -#define AMH IDYN"AdapterMethodHandle;" -#define BMH IDYN"BoundMethodHandle;" -#define DMH IDYN"DirectMethodHandle;" +#define MT JLINV"MethodType;" +#define MH JLINV"MethodHandle;" +#define MEM JLINV"MemberName;" +#define AMH JLINV"AdapterMethodHandle;" +#define BMH JLINV"BoundMethodHandle;" +#define DMH JLINV"DirectMethodHandle;" #define CC (char*) /*cast a literal from (const char*)*/ #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f) -// These are the native methods on sun.dyn.MethodHandleNatives. +// These are the native methods on sun.invoke.MethodHandleNatives. static JNINativeMethod methods[] = { // void init(MemberName self, AccessibleObject ref) - {CC"init", CC"("AMH""MH"I)V", FN_PTR(MHI_init_AMH)}, - {CC"init", CC"("BMH""OBJ"I)V", FN_PTR(MHI_init_BMH)}, - {CC"init", CC"("DMH""OBJ"Z"CLS")V", FN_PTR(MHI_init_DMH)}, - {CC"init", CC"("MT")V", FN_PTR(MHI_init_MT)}, - {CC"init", CC"("MEM""OBJ")V", FN_PTR(MHI_init_Mem)}, - {CC"expand", CC"("MEM")V", FN_PTR(MHI_expand_Mem)}, - {CC"resolve", CC"("MEM""CLS")V", FN_PTR(MHI_resolve_Mem)}, - {CC"getTarget", CC"("MH"I)"OBJ, FN_PTR(MHI_getTarget)}, - {CC"getConstant", CC"(I)I", FN_PTR(MHI_getConstant)}, + {CC"init", CC"("AMH""MH"I)V", FN_PTR(MHN_init_AMH)}, + {CC"init", CC"("BMH""OBJ"I)V", FN_PTR(MHN_init_BMH)}, + {CC"init", CC"("DMH""OBJ"Z"CLS")V", FN_PTR(MHN_init_DMH)}, + {CC"init", CC"("MT")V", FN_PTR(MHN_init_MT)}, + {CC"init", CC"("MEM""OBJ")V", FN_PTR(MHN_init_Mem)}, + {CC"expand", CC"("MEM")V", FN_PTR(MHN_expand_Mem)}, + {CC"resolve", CC"("MEM""CLS")V", FN_PTR(MHN_resolve_Mem)}, + {CC"getTarget", CC"("MH"I)"OBJ, FN_PTR(MHN_getTarget)}, + {CC"getConstant", CC"(I)I", FN_PTR(MHN_getConstant)}, // static native int getNamedCon(int which, Object[] name) - {CC"getNamedCon", CC"(I["OBJ")I", FN_PTR(MHI_getNamedCon)}, + {CC"getNamedCon", CC"(I["OBJ")I", FN_PTR(MHN_getNamedCon)}, // static native int getMembers(Class<?> defc, String matchName, String matchSig, // int matchFlags, Class<?> caller, int skip, MemberName[] results); - {CC"getMembers", CC"("CLS""STRG""STRG"I"CLS"I["MEM")I", FN_PTR(MHI_getMembers)} + {CC"getMembers", CC"("CLS""STRG""STRG"I"CLS"I["MEM")I", FN_PTR(MHN_getMembers)} }; -// More entry points specifically for EnableInvokeDynamic. -static JNINativeMethod methods2[] = { - {CC"registerBootstrap", CC"("CLS MH")V", FN_PTR(MHI_registerBootstrap)}, - {CC"getBootstrap", CC"("CLS")"MH, FN_PTR(MHI_getBootstrap)}, - {CC"setCallSiteTarget", CC"("CST MH")V", FN_PTR(MHI_setCallSiteTarget)} -}; - - // This one function is exported, used by NativeLookup. JVM_ENTRY(void, JVM_RegisterMethodHandleMethods(JNIEnv *env, jclass MHN_class)) { assert(MethodHandles::spot_check_entry_names(), "entry enum is OK"); - // note: this explicit warning-producing stuff will be replaced by auto-detection of the JSR 292 classes - - if (!EnableMethodHandles) { - warning("JSR 292 method handles are disabled in this JVM. Use -XX:+UnlockExperimentalVMOptions -XX:+EnableMethodHandles to enable."); + if (!EnableInvokeDynamic) { + warning("JSR 292 is disabled in this JVM. Use -XX:+UnlockDiagnosticVMOptions -XX:+EnableInvokeDynamic to enable."); return; // bind nothing } @@ -2615,11 +2584,11 @@ } if (enable_MH) { - KlassHandle MHI_klass = SystemDictionaryHandles::MethodHandleImpl_klass(); - if (MHI_klass.not_null()) { + KlassHandle MHN_klass = SystemDictionaryHandles::MethodHandleNatives_klass(); + if (MHN_klass.not_null()) { TempNewSymbol raiseException_name = SymbolTable::new_symbol("raiseException", CHECK); TempNewSymbol raiseException_sig = SymbolTable::new_symbol("(ILjava/lang/Object;Ljava/lang/Object;)V", CHECK); - methodOop raiseException_method = instanceKlass::cast(MHI_klass->as_klassOop()) + methodOop raiseException_method = instanceKlass::cast(MHN_klass->as_klassOop()) ->find_method(raiseException_name, raiseException_sig); if (raiseException_method != NULL && raiseException_method->is_static()) { MethodHandles::set_raise_exception_method(raiseException_method); @@ -2633,33 +2602,8 @@ } if (enable_MH) { - // We need to link the MethodHandleImpl klass before we generate - // the method handle adapters as the _raise_exception adapter uses - // one of its methods (and its c2i-adapter). - KlassHandle k = SystemDictionaryHandles::MethodHandleImpl_klass(); - instanceKlass* ik = instanceKlass::cast(k()); - ik->link_class(CHECK); - MethodHandles::generate_adapters(); MethodHandles::set_enabled(true); } - - if (!EnableInvokeDynamic) { - warning("JSR 292 invokedynamic is disabled in this JVM. Use -XX:+UnlockExperimentalVMOptions -XX:+EnableInvokeDynamic to enable."); - return; // bind nothing - } - - { - ThreadToNativeFromVM ttnfv(thread); - - int status = env->RegisterNatives(MHN_class, methods2, sizeof(methods2)/sizeof(JNINativeMethod)); - if (env->ExceptionOccurred()) { - MethodHandles::set_enabled(false); - warning("JSR 292 method handle code is mismatched to this JVM. Disabling support."); - env->ExceptionClear(); - } else { - MethodHandles::set_enabled(true); - } - } } JVM_END