--- old/src/cpu/sparc/vm/methodHandles_sparc.cpp 2012-10-05 11:54:14.696460000 -0700 +++ new/src/cpu/sparc/vm/methodHandles_sparc.cpp 2012-10-05 11:54:14.560765000 -0700 @@ -208,8 +208,6 @@ Register O1_scratch = O1; Register O4_param_size = O4; // size of parameters - address code_start = __ pc(); - // here's where control starts out: __ align(CodeEntryAlignment); address entry_point = __ pc(); @@ -252,22 +250,9 @@ // O4_first_arg_addr is live! if (TraceMethodHandles) { - const char* name = vmIntrinsics::name_at(iid); - if (*name == '_') name += 1; - const size_t len = strlen(name) + 50; - char* qname = NEW_C_HEAP_ARRAY(char, len, mtInternal); - const char* suffix = ""; - if (vmIntrinsics::method_for(iid) == NULL || - !vmIntrinsics::method_for(iid)->access_flags().is_public()) { - if (is_signature_polymorphic_static(iid)) - suffix = "/static"; - else - suffix = "/private"; - } - jio_snprintf(qname, len, "MethodHandle::interpreter_entry::%s%s", name, suffix); if (O0_mh != noreg) __ mov(O0_mh, G3_method_handle); // make stub happy - trace_method_handle(_masm, qname); + trace_method_handle_interpreter_entry(_masm, iid); } if (iid == vmIntrinsics::_invokeBasic) { @@ -287,14 +272,6 @@ generate_method_handle_dispatch(_masm, iid, O0_recv, G5_member, not_for_compiler_entry); } - if (PrintMethodHandleStubs) { - address code_end = __ pc(); - tty->print_cr("--------"); - tty->print_cr("method handle interpreter entry for %s", vmIntrinsics::name_at(iid)); - Disassembler::decode(code_start, code_end); - tty->cr(); - } - return entry_point; } --- old/src/cpu/sparc/vm/methodHandles_sparc.hpp 2012-10-05 11:54:15.266380000 -0700 +++ new/src/cpu/sparc/vm/methodHandles_sparc.hpp 2012-10-05 11:54:15.136532000 -0700 @@ -58,5 +58,3 @@ Register recv, Register method_temp, Register temp2, Register temp3, bool for_compiler_entry); - - static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN; --- old/src/cpu/x86/vm/methodHandles_x86.cpp 2012-10-05 11:54:15.831742000 -0700 +++ new/src/cpu/x86/vm/methodHandles_x86.cpp 2012-10-05 11:54:15.697955000 -0700 @@ -209,8 +209,6 @@ Register rcx_mh = rcx; // MH receiver; dies quickly and is recycled Register rbx_method = rbx; // eventual target of this invocation - address code_start = __ pc(); - // here's where control starts out: __ align(CodeEntryAlignment); address entry_point = __ pc(); @@ -251,23 +249,7 @@ // rdx_first_arg_addr is live! - if (TraceMethodHandles) { - const char* name = vmIntrinsics::name_at(iid); - if (*name == '_') name += 1; - const size_t len = strlen(name) + 50; - char* qname = NEW_C_HEAP_ARRAY(char, len, mtInternal); - const char* suffix = ""; - if (vmIntrinsics::method_for(iid) == NULL || - !vmIntrinsics::method_for(iid)->access_flags().is_public()) { - if (is_signature_polymorphic_static(iid)) - suffix = "/static"; - else - suffix = "/private"; - } - jio_snprintf(qname, len, "MethodHandle::interpreter_entry::%s%s", name, suffix); - // note: stub look for mh in rcx - trace_method_handle(_masm, qname); - } + trace_method_handle_interpreter_entry(_masm, iid); if (iid == vmIntrinsics::_invokeBasic) { generate_method_handle_dispatch(_masm, iid, rcx_mh, noreg, not_for_compiler_entry); @@ -287,14 +269,6 @@ generate_method_handle_dispatch(_masm, iid, rcx_recv, rbx_member, not_for_compiler_entry); } - if (PrintMethodHandleStubs) { - address code_end = __ pc(); - tty->print_cr("--------"); - tty->print_cr("method handle interpreter entry for %s", vmIntrinsics::name_at(iid)); - Disassembler::decode(code_start, code_end); - tty->cr(); - } - return entry_point; } --- old/src/cpu/x86/vm/methodHandles_x86.hpp 2012-10-05 11:54:16.585949000 -0700 +++ new/src/cpu/x86/vm/methodHandles_x86.hpp 2012-10-05 11:54:16.312515000 -0700 @@ -55,8 +55,6 @@ Register temp2, bool for_compiler_entry); - static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN; - static Register saved_last_sp_register() { // Should be in sharedRuntime, not here. return LP64_ONLY(r13) NOT_LP64(rsi); --- old/src/share/vm/classfile/systemDictionary.cpp 2012-10-05 11:54:17.215594000 -0700 +++ new/src/share/vm/classfile/systemDictionary.cpp 2012-10-05 11:54:17.056385000 -0700 @@ -973,9 +973,12 @@ if (sid != vmSymbols::NO_SID) { Klass* k = NULL; switch (sid) { - #define WK_KLASS_CASE(name, symbol, ignore_option) \ + #define WK_KLASS_CASE(name, symbol, option) \ case vmSymbols::VM_SYMBOL_ENUM_NAME(symbol): \ - k = WK_KLASS(name); break; + if (option == Pre_Link) { \ + k = WK_KLASS(name); \ + } \ + break; WK_KLASSES_DO(WK_KLASS_CASE) #undef WK_KLASS_CASE } @@ -1955,6 +1958,16 @@ start_id = limit_id; } +#ifdef ASSERT +void SystemDictionary::check_wk_pre_link_klasses() { + #define WK_KLASS_CHECK(name, symbol, option) \ + if (option == Pre_Link) { \ + assert(name()->is_public(), ""); \ + } + WK_KLASSES_DO(WK_KLASS_CHECK); + #undef WK_KLASS_CHECK +} +#endif void SystemDictionary::initialize_preloaded_classes(TRAPS) { assert(WK_KLASS(Object_klass) == NULL, "preloaded classes should only be initialized once"); @@ -2010,6 +2023,8 @@ initialize_wk_klasses_until(WKID_LIMIT, scan, CHECK); + check_wk_pre_link_klasses(); + _box_klasses[T_BOOLEAN] = WK_KLASS(Boolean_klass); _box_klasses[T_CHAR] = WK_KLASS(Character_klass); _box_klasses[T_FLOAT] = WK_KLASS(Float_klass); --- old/src/share/vm/classfile/systemDictionary.hpp 2012-10-05 11:54:17.896734000 -0700 +++ new/src/share/vm/classfile/systemDictionary.hpp 2012-10-05 11:54:17.757118000 -0700 @@ -92,93 +92,93 @@ // The order of these definitions is significant; it is the order in which // preloading is actually performed by initialize_preloaded_classes. -#define WK_KLASSES_DO(template) \ - /* well-known classes */ \ - template(Object_klass, java_lang_Object, Pre) \ - template(String_klass, java_lang_String, Pre) \ - template(Class_klass, java_lang_Class, Pre) \ - template(Cloneable_klass, java_lang_Cloneable, Pre) \ - template(ClassLoader_klass, java_lang_ClassLoader, Pre) \ - template(Serializable_klass, java_io_Serializable, Pre) \ - template(System_klass, java_lang_System, Pre) \ - template(Throwable_klass, java_lang_Throwable, Pre) \ - template(Error_klass, java_lang_Error, Pre) \ - template(ThreadDeath_klass, java_lang_ThreadDeath, Pre) \ - template(Exception_klass, java_lang_Exception, Pre) \ - template(RuntimeException_klass, java_lang_RuntimeException, Pre) \ - template(ProtectionDomain_klass, java_security_ProtectionDomain, Pre) \ - template(AccessControlContext_klass, java_security_AccessControlContext, Pre) \ - template(ClassNotFoundException_klass, java_lang_ClassNotFoundException, Pre) \ - template(NoClassDefFoundError_klass, java_lang_NoClassDefFoundError, Pre) \ - template(LinkageError_klass, java_lang_LinkageError, Pre) \ - template(ClassCastException_klass, java_lang_ClassCastException, Pre) \ - template(ArrayStoreException_klass, java_lang_ArrayStoreException, Pre) \ - template(VirtualMachineError_klass, java_lang_VirtualMachineError, Pre) \ - template(OutOfMemoryError_klass, java_lang_OutOfMemoryError, Pre) \ - template(StackOverflowError_klass, java_lang_StackOverflowError, Pre) \ - template(IllegalMonitorStateException_klass, java_lang_IllegalMonitorStateException, Pre) \ - template(Reference_klass, java_lang_ref_Reference, Pre) \ - \ - /* Preload ref klasses and set reference types */ \ - template(SoftReference_klass, java_lang_ref_SoftReference, Pre) \ - template(WeakReference_klass, java_lang_ref_WeakReference, Pre) \ - template(FinalReference_klass, java_lang_ref_FinalReference, Pre) \ - template(PhantomReference_klass, java_lang_ref_PhantomReference, Pre) \ - template(Finalizer_klass, java_lang_ref_Finalizer, Pre) \ - \ - template(Thread_klass, java_lang_Thread, Pre) \ - template(ThreadGroup_klass, java_lang_ThreadGroup, Pre) \ - template(Properties_klass, java_util_Properties, Pre) \ - template(reflect_AccessibleObject_klass, java_lang_reflect_AccessibleObject, Pre) \ - template(reflect_Field_klass, java_lang_reflect_Field, Pre) \ - template(reflect_Method_klass, java_lang_reflect_Method, Pre) \ - template(reflect_Constructor_klass, java_lang_reflect_Constructor, Pre) \ - \ +#define WK_KLASSES_DO(do_klass) \ + /* well-known classes */ \ + do_klass(Object_klass, java_lang_Object, Pre_Link ) \ + do_klass(String_klass, java_lang_String, Pre_Link ) \ + do_klass(Class_klass, java_lang_Class, Pre_Link ) \ + do_klass(Cloneable_klass, java_lang_Cloneable, Pre_Link ) \ + do_klass(ClassLoader_klass, java_lang_ClassLoader, Pre_Link ) \ + do_klass(Serializable_klass, java_io_Serializable, Pre_Link ) \ + do_klass(System_klass, java_lang_System, Pre_Link ) \ + do_klass(Throwable_klass, java_lang_Throwable, Pre_Link ) \ + do_klass(Error_klass, java_lang_Error, Pre_Link ) \ + do_klass(ThreadDeath_klass, java_lang_ThreadDeath, Pre_Link ) \ + do_klass(Exception_klass, java_lang_Exception, Pre_Link ) \ + do_klass(RuntimeException_klass, java_lang_RuntimeException, Pre_Link ) \ + do_klass(ProtectionDomain_klass, java_security_ProtectionDomain, Pre_Link ) \ + do_klass(AccessControlContext_klass, java_security_AccessControlContext, Pre_Link ) \ + do_klass(ClassNotFoundException_klass, java_lang_ClassNotFoundException, Pre_Link ) \ + do_klass(NoClassDefFoundError_klass, java_lang_NoClassDefFoundError, Pre_Link ) \ + do_klass(LinkageError_klass, java_lang_LinkageError, Pre_Link ) \ + do_klass(ClassCastException_klass, java_lang_ClassCastException, Pre_Link ) \ + do_klass(ArrayStoreException_klass, java_lang_ArrayStoreException, Pre_Link ) \ + do_klass(VirtualMachineError_klass, java_lang_VirtualMachineError, Pre_Link ) \ + do_klass(OutOfMemoryError_klass, java_lang_OutOfMemoryError, Pre_Link ) \ + do_klass(StackOverflowError_klass, java_lang_StackOverflowError, Pre_Link ) \ + do_klass(IllegalMonitorStateException_klass, java_lang_IllegalMonitorStateException, Pre_Link ) \ + do_klass(Reference_klass, java_lang_ref_Reference, Pre_Link ) \ + \ + /* Preload ref klasses and set reference types */ \ + do_klass(SoftReference_klass, java_lang_ref_SoftReference, Pre_Link ) \ + do_klass(WeakReference_klass, java_lang_ref_WeakReference, Pre_Link ) \ + do_klass(FinalReference_klass, java_lang_ref_FinalReference, Pre ) \ + do_klass(PhantomReference_klass, java_lang_ref_PhantomReference, Pre_Link ) \ + do_klass(Finalizer_klass, java_lang_ref_Finalizer, Pre ) \ + \ + do_klass(Thread_klass, java_lang_Thread, Pre_Link ) \ + do_klass(ThreadGroup_klass, java_lang_ThreadGroup, Pre_Link ) \ + do_klass(Properties_klass, java_util_Properties, Pre_Link ) \ + do_klass(reflect_AccessibleObject_klass, java_lang_reflect_AccessibleObject, Pre_Link ) \ + do_klass(reflect_Field_klass, java_lang_reflect_Field, Pre_Link ) \ + do_klass(reflect_Method_klass, java_lang_reflect_Method, Pre_Link ) \ + do_klass(reflect_Constructor_klass, java_lang_reflect_Constructor, Pre_Link ) \ + \ /* NOTE: needed too early in bootstrapping process to have checks based on JDK version */ \ /* Universe::is_gte_jdk14x_version() is not set up by this point. */ \ /* It's okay if this turns out to be NULL in non-1.4 JDKs. */ \ - template(reflect_MagicAccessorImpl_klass, sun_reflect_MagicAccessorImpl, Opt) \ - template(reflect_MethodAccessorImpl_klass, sun_reflect_MethodAccessorImpl, Opt_Only_JDK14NewRef) \ - template(reflect_ConstructorAccessorImpl_klass, sun_reflect_ConstructorAccessorImpl, Opt_Only_JDK14NewRef) \ - template(reflect_DelegatingClassLoader_klass, sun_reflect_DelegatingClassLoader, Opt) \ - template(reflect_ConstantPool_klass, sun_reflect_ConstantPool, Opt_Only_JDK15) \ - template(reflect_UnsafeStaticFieldAccessorImpl_klass, sun_reflect_UnsafeStaticFieldAccessorImpl, Opt_Only_JDK15) \ - \ - /* support for dynamic typing; it's OK if these are NULL in earlier JDKs */ \ - template(MethodHandle_klass, java_lang_invoke_MethodHandle, Pre_JSR292) \ - template(MemberName_klass, java_lang_invoke_MemberName, Pre_JSR292) \ - template(MethodHandleNatives_klass, java_lang_invoke_MethodHandleNatives, Pre_JSR292) \ - template(LambdaForm_klass, java_lang_invoke_LambdaForm, Opt) \ - template(MethodType_klass, java_lang_invoke_MethodType, Pre_JSR292) \ - template(BootstrapMethodError_klass, java_lang_BootstrapMethodError, Pre_JSR292) \ - template(CallSite_klass, java_lang_invoke_CallSite, Pre_JSR292) \ - template(ConstantCallSite_klass, java_lang_invoke_ConstantCallSite, Pre_JSR292) \ - template(MutableCallSite_klass, java_lang_invoke_MutableCallSite, Pre_JSR292) \ - template(VolatileCallSite_klass, java_lang_invoke_VolatileCallSite, Pre_JSR292) \ - /* Note: MethodHandle must be first, and VolatileCallSite last in group */ \ - \ - template(StringBuffer_klass, java_lang_StringBuffer, Pre) \ - template(StringBuilder_klass, java_lang_StringBuilder, Pre) \ - \ - /* It's NULL in non-1.4 JDKs. */ \ - template(StackTraceElement_klass, java_lang_StackTraceElement, Opt) \ - /* Universe::is_gte_jdk14x_version() is not set up by this point. */ \ - /* It's okay if this turns out to be NULL in non-1.4 JDKs. */ \ - template(nio_Buffer_klass, java_nio_Buffer, Opt) \ - \ - template(DownloadManager_klass, sun_jkernel_DownloadManager, Opt_Kernel) \ - \ - template(PostVMInitHook_klass, sun_misc_PostVMInitHook, Opt) \ - \ - /* Preload boxing klasses */ \ - template(Boolean_klass, java_lang_Boolean, Pre) \ - template(Character_klass, java_lang_Character, Pre) \ - template(Float_klass, java_lang_Float, Pre) \ - template(Double_klass, java_lang_Double, Pre) \ - template(Byte_klass, java_lang_Byte, Pre) \ - template(Short_klass, java_lang_Short, Pre) \ - template(Integer_klass, java_lang_Integer, Pre) \ - template(Long_klass, java_lang_Long, Pre) \ + do_klass(reflect_MagicAccessorImpl_klass, sun_reflect_MagicAccessorImpl, Opt ) \ + do_klass(reflect_MethodAccessorImpl_klass, sun_reflect_MethodAccessorImpl, Opt_Only_JDK14NewRef) \ + do_klass(reflect_ConstructorAccessorImpl_klass, sun_reflect_ConstructorAccessorImpl, Opt_Only_JDK14NewRef) \ + do_klass(reflect_DelegatingClassLoader_klass, sun_reflect_DelegatingClassLoader, Opt ) \ + do_klass(reflect_ConstantPool_klass, sun_reflect_ConstantPool, Opt_Only_JDK15 ) \ + do_klass(reflect_UnsafeStaticFieldAccessorImpl_klass, sun_reflect_UnsafeStaticFieldAccessorImpl, Opt_Only_JDK15 ) \ + \ + /* support for dynamic typing; it's OK if these are NULL in earlier JDKs */ \ + do_klass(MethodHandle_klass, java_lang_invoke_MethodHandle, Pre_Link ) \ + do_klass(MemberName_klass, java_lang_invoke_MemberName, Pre ) \ + do_klass(MethodHandleNatives_klass, java_lang_invoke_MethodHandleNatives, Pre ) \ + do_klass(LambdaForm_klass, java_lang_invoke_LambdaForm, Opt ) \ + do_klass(MethodType_klass, java_lang_invoke_MethodType, Pre_Link ) \ + do_klass(BootstrapMethodError_klass, java_lang_BootstrapMethodError, Pre_Link ) \ + do_klass(CallSite_klass, java_lang_invoke_CallSite, Pre_Link ) \ + do_klass(ConstantCallSite_klass, java_lang_invoke_ConstantCallSite, Pre_Link ) \ + do_klass(MutableCallSite_klass, java_lang_invoke_MutableCallSite, Pre_Link ) \ + do_klass(VolatileCallSite_klass, java_lang_invoke_VolatileCallSite, Pre_Link ) \ + /* Note: MethodHandle must be first, and VolatileCallSite last in group */ \ + \ + do_klass(StringBuffer_klass, java_lang_StringBuffer, Pre_Link ) \ + do_klass(StringBuilder_klass, java_lang_StringBuilder, Pre_Link ) \ + \ + /* It's NULL in non-1.4 JDKs. */ \ + do_klass(StackTraceElement_klass, java_lang_StackTraceElement, Opt ) \ + /* Universe::is_gte_jdk14x_version() is not set up by this point. */ \ + /* It's okay if this turns out to be NULL in non-1.4 JDKs. */ \ + do_klass(nio_Buffer_klass, java_nio_Buffer, Opt ) \ + \ + do_klass(DownloadManager_klass, sun_jkernel_DownloadManager, Opt_Kernel ) \ + \ + do_klass(PostVMInitHook_klass, sun_misc_PostVMInitHook, Opt ) \ + \ + /* Preload boxing klasses */ \ + do_klass(Boolean_klass, java_lang_Boolean, Pre_Link ) \ + do_klass(Character_klass, java_lang_Character, Pre_Link ) \ + do_klass(Float_klass, java_lang_Float, Pre_Link ) \ + do_klass(Double_klass, java_lang_Double, Pre_Link ) \ + do_klass(Byte_klass, java_lang_Byte, Pre_Link ) \ + do_klass(Short_klass, java_lang_Short, Pre_Link ) \ + do_klass(Integer_klass, java_lang_Integer, Pre_Link ) \ + do_klass(Long_klass, java_lang_Long, Pre_Link ) \ /*end*/ @@ -201,7 +201,7 @@ enum InitOption { Pre, // preloaded; error if not present - Pre_JSR292, // preloaded if EnableInvokeDynamic + Pre_Link, // preloaded; error if not present; link as well-known // Order is significant. Options before this point require resolve_or_fail. // Options after this point will use resolve_or_null instead. @@ -392,9 +392,9 @@ return k; } - static Klass* check_klass_Pre(Klass* k) { return check_klass(k); } - static Klass* check_klass_Pre_JSR292(Klass* k) { return EnableInvokeDynamic ? check_klass(k) : k; } - static Klass* check_klass_Opt(Klass* k) { return k; } + static Klass* check_klass_Pre( Klass* k) { return check_klass(k); } + static Klass* check_klass_Pre_Link( Klass* k) { return check_klass(k); } + static Klass* check_klass_Opt( Klass* k) { return k; } static Klass* check_klass_Opt_Kernel(Klass* k) { return k; } //== Opt static Klass* check_klass_Opt_Only_JDK15(Klass* k) { assert(JDK_Version::is_gte_jdk15x_version(), "JDK 1.5 only"); @@ -413,6 +413,8 @@ initialize_wk_klasses_until((WKID) limit, start_id, THREAD); } + static void check_wk_pre_link_klasses() NOT_DEBUG_RETURN; + public: #define WK_KLASS_DECLARE(name, symbol, option) \ static Klass* name() { return check_klass_##option(_well_known_klasses[WK_KLASS_ENUM_NAME(name)]); } \ --- old/src/share/vm/classfile/vmSymbols.cpp 2012-10-05 11:54:18.511319000 -0700 +++ new/src/share/vm/classfile/vmSymbols.cpp 2012-10-05 11:54:18.374232000 -0700 @@ -324,24 +324,6 @@ return vmIntrinsics::_none; } -Method* vmIntrinsics::method_for(vmIntrinsics::ID id) { - if (id == _none) return NULL; - Symbol* cname = vmSymbols::symbol_at(class_for(id)); - Symbol* mname = vmSymbols::symbol_at(name_for(id)); - Symbol* msig = vmSymbols::symbol_at(signature_for(id)); - if (cname == NULL || mname == NULL || msig == NULL) return NULL; - Klass* k = SystemDictionary::find_well_known_klass(cname); - if (k == NULL) return NULL; - Method* m = InstanceKlass::cast(k)->find_method(mname, msig); - if (m == NULL && - cname == vmSymbols::java_lang_invoke_MethodHandle() && - msig == vmSymbols::star_name()) { - // Any signature polymorphic method is represented by a fixed concrete signature: - m = InstanceKlass::cast(k)->find_method(mname, vmSymbols::object_array_object_signature()); - } - return m; -} - #define VM_INTRINSIC_INITIALIZE(id, klass, name, sig, flags) #id "\0" static const char* vm_intrinsic_name_bodies = --- old/src/share/vm/classfile/vmSymbols.hpp 2012-10-05 11:54:19.148972000 -0700 +++ new/src/share/vm/classfile/vmSymbols.hpp 2012-10-05 11:54:18.971683000 -0700 @@ -1138,9 +1138,6 @@ static const char* short_name_as_C_string(ID id, char* buf, int size); - // Access to intrinsic methods: - static Method* method_for(ID id); - // Wrapper object methods: static ID for_boxing(BasicType type); static ID for_unboxing(BasicType type); --- old/src/share/vm/opto/library_call.cpp 2012-10-05 11:54:19.822521000 -0700 +++ new/src/share/vm/opto/library_call.cpp 2012-10-05 11:54:19.661308000 -0700 @@ -2378,13 +2378,15 @@ } } - if (sharpened_klass != NULL) { + // The sharpened class might be unloaded if there is no class loader + // contraint in place. + if (sharpened_klass != NULL && sharpened_klass->is_loaded()) { const TypeOopPtr* tjp = TypeOopPtr::make_from_klass(sharpened_klass); #ifndef PRODUCT if (PrintIntrinsics || PrintInlining || PrintOptoInlining) { - tty->print(" from base type: "); adr_type->dump(); - tty->print(" sharpened value: "); tjp->dump(); + tty->print(" from base type: "); adr_type->dump(); + tty->print(" sharpened value: "); tjp->dump(); } #endif // Sharpen the value type. --- old/src/share/vm/prims/methodHandles.hpp 2012-10-05 11:54:20.539209000 -0700 +++ new/src/share/vm/prims/methodHandles.hpp 2012-10-05 11:54:20.403929000 -0700 @@ -196,7 +196,27 @@ # include "methodHandles_ppc.hpp" #endif - + // Tracing + static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN; + static void trace_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid) { + if (TraceMethodHandles) { + const char* name = vmIntrinsics::name_at(iid); + if (*name == '_') name += 1; + const size_t len = strlen(name) + 50; + char* qname = NEW_C_HEAP_ARRAY(char, len, mtInternal); + const char* suffix = ""; + if (is_signature_polymorphic(iid)) { + if (is_signature_polymorphic_static(iid)) + suffix = "/static"; + else + suffix = "/private"; + } + jio_snprintf(qname, len, "MethodHandle::interpreter_entry::%s%s", name, suffix); + trace_method_handle(_masm, qname); + // Note: Don't free the allocated char array because it's used + // during runtime. + } + } }; --- old/src/share/vm/runtime/globals.hpp 2012-10-05 11:54:21.192326000 -0700 +++ new/src/share/vm/runtime/globals.hpp 2012-10-05 11:54:21.020106000 -0700 @@ -1000,7 +1000,7 @@ product(bool, ClassUnloading, true, \ "Do unloading of classes") \ \ - diagnostic(bool, LinkWellKnownClasses, false, \ + diagnostic(bool, LinkWellKnownClasses, true, \ "Resolve a well known class as soon as its name is seen") \ \ develop(bool, DisableStartThread, false, \