diff options
Diffstat (limited to 'hotspot/.hg/patches/dmh-field-accessors-java8u172.patch')
| -rw-r--r-- | hotspot/.hg/patches/dmh-field-accessors-java8u172.patch | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/hotspot/.hg/patches/dmh-field-accessors-java8u172.patch b/hotspot/.hg/patches/dmh-field-accessors-java8u172.patch new file mode 100644 index 00000000..55f3f7bc --- /dev/null +++ b/hotspot/.hg/patches/dmh-field-accessors-java8u172.patch @@ -0,0 +1,166 @@ +Add support for DirectMethodHandle field implementations (StaticAccessor/Accessor). + +During the redefinition run, these instances are updated to point to new field index location. +# HG changeset patch +# Parent a5d69314e0a8e05605ca678e31eeba92ec173400 + +diff -r a5d69314e0a8 src/share/vm/classfile/javaClasses.cpp +--- a/src/share/vm/classfile/javaClasses.cpp Tue Mar 31 18:05:19 2015 -0700 ++++ b/src/share/vm/classfile/javaClasses.cpp Tue Mar 31 18:06:35 2015 -0700 +@@ -2667,6 +2667,50 @@ + } + } + ++// Support for java_lang_invoke_DirectMethodHandle$StaticAccessor ++ ++int java_lang_invoke_DirectMethodHandle_StaticAccessor::_static_offset_offset; ++ ++long java_lang_invoke_DirectMethodHandle_StaticAccessor::static_offset(oop dmh) { ++ assert(_static_offset_offset != 0, ""); ++ return dmh->long_field(_static_offset_offset); ++} ++ ++void java_lang_invoke_DirectMethodHandle_StaticAccessor::set_static_offset(oop dmh, long static_offset) { ++ assert(_static_offset_offset != 0, ""); ++ dmh->long_field_put(_static_offset_offset, static_offset); ++} ++ ++ ++void java_lang_invoke_DirectMethodHandle_StaticAccessor::compute_offsets() { ++ Klass* klass_oop = SystemDictionary::DirectMethodHandle_StaticAccessor_klass(); ++ if (klass_oop != NULL && EnableInvokeDynamic) { ++ compute_offset(_static_offset_offset, klass_oop, vmSymbols::static_offset_name(), vmSymbols::long_signature()); ++ } ++} ++ ++// Support for java_lang_invoke_DirectMethodHandle$Accessor ++ ++int java_lang_invoke_DirectMethodHandle_Accessor::_field_offset_offset; ++ ++int java_lang_invoke_DirectMethodHandle_Accessor::field_offset(oop dmh) { ++ assert(_field_offset_offset != 0, ""); ++ return dmh->int_field(_field_offset_offset); ++} ++ ++void java_lang_invoke_DirectMethodHandle_Accessor::set_field_offset(oop dmh, int field_offset) { ++ assert(_field_offset_offset != 0, ""); ++ dmh->int_field_put(_field_offset_offset, field_offset); ++} ++ ++ ++void java_lang_invoke_DirectMethodHandle_Accessor::compute_offsets() { ++ Klass* klass_oop = SystemDictionary::DirectMethodHandle_Accessor_klass(); ++ if (klass_oop != NULL && EnableInvokeDynamic) { ++ compute_offset(_field_offset_offset, klass_oop, vmSymbols::field_offset_name(), vmSymbols::int_signature()); ++ } ++} ++ + // Support for java_lang_invoke_MethodHandle + + int java_lang_invoke_MethodHandle::_type_offset; +@@ -3343,6 +3387,9 @@ + java_lang_invoke_LambdaForm::compute_offsets(); + java_lang_invoke_MethodType::compute_offsets(); + java_lang_invoke_CallSite::compute_offsets(); ++ ++ java_lang_invoke_DirectMethodHandle_StaticAccessor::compute_offsets(); ++ java_lang_invoke_DirectMethodHandle_Accessor::compute_offsets(); + } + java_security_AccessControlContext::compute_offsets(); + // Initialize reflection classes. The layouts of these classes +diff -r a5d69314e0a8 src/share/vm/classfile/javaClasses.hpp +--- a/src/share/vm/classfile/javaClasses.hpp Tue Mar 31 18:05:19 2015 -0700 ++++ b/src/share/vm/classfile/javaClasses.hpp Tue Mar 31 18:06:35 2015 -0700 +@@ -1020,6 +1020,55 @@ + static int member_offset_in_bytes() { return _member_offset; } + }; + ++// Interface to java.lang.invoke.DirectMethodHandle$StaticAccessor objects ++ ++class java_lang_invoke_DirectMethodHandle_StaticAccessor: AllStatic { ++ friend class JavaClasses; ++ ++ private: ++ static int _static_offset_offset; // offset to static field ++ ++ static void compute_offsets(); ++ ++ public: ++ // Accessors ++ static long static_offset(oop dmh); ++ static void set_static_offset(oop dmh, long value); ++ ++ // Testers ++ static bool is_subclass(Klass* klass) { ++ return klass->is_subclass_of(SystemDictionary::DirectMethodHandle_StaticAccessor_klass()); ++ } ++ static bool is_instance(oop obj) { ++ return obj != NULL && is_subclass(obj->klass()); ++ } ++}; ++ ++// Interface to java.lang.invoke.DirectMethodHandle$Accessor objects ++ ++class java_lang_invoke_DirectMethodHandle_Accessor: AllStatic { ++ friend class JavaClasses; ++ ++ private: ++ static int _field_offset_offset; // offset to field ++ ++ static void compute_offsets(); ++ ++ public: ++ // Accessors ++ static int field_offset(oop dmh); ++ static void set_field_offset(oop dmh, int value); ++ ++ // Testers ++ static bool is_subclass(Klass* klass) { ++ return klass->is_subclass_of(SystemDictionary::DirectMethodHandle_Accessor_klass()); ++ } ++ static bool is_instance(oop obj) { ++ return obj != NULL && is_subclass(obj->klass()); ++ } ++}; ++ ++ + // Interface to java.lang.invoke.LambdaForm objects + // (These are a private interface for managing adapter code generation.) + +diff -r a5d69314e0a8 src/share/vm/classfile/systemDictionary.hpp +--- a/src/share/vm/classfile/systemDictionary.hpp Tue Mar 31 18:05:19 2015 -0700 ++++ b/src/share/vm/classfile/systemDictionary.hpp Tue Mar 31 18:06:35 2015 -0700 +@@ -153,6 +153,8 @@ + \ + /* support for dynamic typing; it's OK if these are NULL in earlier JDKs */ \ + do_klass(DirectMethodHandle_klass, java_lang_invoke_DirectMethodHandle, Opt ) \ ++ do_klass(DirectMethodHandle_StaticAccessor_klass, java_lang_invoke_DirectMethodHandle_StaticAccessor, Opt ) \ ++ do_klass(DirectMethodHandle_Accessor_klass, java_lang_invoke_DirectMethodHandle_Accessor, Opt ) \ + do_klass(MethodHandle_klass, java_lang_invoke_MethodHandle, Pre_JSR292 ) \ + do_klass(MemberName_klass, java_lang_invoke_MemberName, Pre_JSR292 ) \ + do_klass(MethodHandleNatives_klass, java_lang_invoke_MethodHandleNatives, Pre_JSR292 ) \ +diff -r a5d69314e0a8 src/share/vm/classfile/vmSymbols.hpp +--- a/src/share/vm/classfile/vmSymbols.hpp Tue Mar 31 18:05:19 2015 -0700 ++++ b/src/share/vm/classfile/vmSymbols.hpp Tue Mar 31 18:06:35 2015 -0700 +@@ -265,6 +265,8 @@ + template(java_lang_invoke_CallSite, "java/lang/invoke/CallSite") \ + template(java_lang_invoke_ConstantCallSite, "java/lang/invoke/ConstantCallSite") \ + template(java_lang_invoke_DirectMethodHandle, "java/lang/invoke/DirectMethodHandle") \ ++ template(java_lang_invoke_DirectMethodHandle_StaticAccessor, "java/lang/invoke/DirectMethodHandle$StaticAccessor") \ ++ template(java_lang_invoke_DirectMethodHandle_Accessor, "java/lang/invoke/DirectMethodHandle$Accessor") \ + template(java_lang_invoke_MutableCallSite, "java/lang/invoke/MutableCallSite") \ + template(java_lang_invoke_VolatileCallSite, "java/lang/invoke/VolatileCallSite") \ + template(java_lang_invoke_MethodHandle, "java/lang/invoke/MethodHandle") \ +@@ -414,6 +416,10 @@ + template(getProtectionDomain_name, "getProtectionDomain") \ + template(getProtectionDomain_signature, "(Ljava/security/CodeSource;)Ljava/security/ProtectionDomain;") \ + template(url_code_signer_array_void_signature, "(Ljava/net/URL;[Ljava/security/CodeSigner;)V") \ ++ template(static_offset_name, "staticOffset") \ ++ template(static_base_name, "staticBase") \ ++ template(field_offset_name, "fieldOffset") \ ++ template(field_type_name, "fieldType") \ + template(referencequeue_null_name, "NULL") \ + template(referencequeue_enqueued_name, "ENQUEUED") \ + \ + /* non-intrinsic name/signature pairs: */ \ + template(register_method_name, "register") \ |