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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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13
hotspot/src/share/vm/classfile/vmSymbols.hpp
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@ -234,7 +234,7 @@
template(parameter_annotations_name, "parameterAnnotations") \
template(annotation_default_name, "annotationDefault") \
template(sun_reflect_ConstantPool, "sun/reflect/ConstantPool") \
template(constantPoolOop_name, "constantPoolOop") \
template(ConstantPool_name, "constantPoolOop") \
template(sun_reflect_UnsafeStaticFieldAccessorImpl, "sun/reflect/UnsafeStaticFieldAccessorImpl")\
template(base_name, "base") \
\
@ -314,7 +314,6 @@
template(type_name, "type") \
template(findNative_name, "findNative") \
template(deadChild_name, "deadChild") \
template(addClass_name, "addClass") \
template(getFromClass_name, "getFromClass") \
template(dispatch_name, "dispatch") \
template(getSystemClassLoader_name, "getSystemClassLoader") \
@ -359,6 +358,8 @@
template(values_name, "values") \
template(receiver_name, "receiver") \
template(vmtarget_name, "vmtarget") \
template(next_target_name, "next_target") \
template(vmloader_name, "vmloader") \
template(vmindex_name, "vmindex") \
template(vmcount_name, "vmcount") \
template(vmentry_name, "vmentry") \
@ -373,6 +374,8 @@
template(array_klass_name, "array_klass") \
template(oop_size_name, "oop_size") \
template(static_oop_field_count_name, "static_oop_field_count") \
template(loader_data_name, "loader_data") \
template(dependencies_name, "dependencies") \
\
/* non-intrinsic name/signature pairs: */ \
template(register_method_name, "register") \
@ -1012,7 +1015,7 @@ class vmSymbols: AllStatic {
// Sharing support
static void symbols_do(SymbolClosure* f);
static void serialize(SerializeOopClosure* soc);
static void serialize(SerializeClosure* soc);
static Symbol* type_signature(BasicType t) {
assert((uint)t < T_VOID+1, "range check");
@ -1110,7 +1113,7 @@ public:
return id;
}
static void verify_method(ID actual_id, methodOop m) PRODUCT_RETURN;
static void verify_method(ID actual_id, Method* m) PRODUCT_RETURN;
// Find out the symbols behind an intrinsic:
static vmSymbols::SID class_for(ID id);
@ -1121,7 +1124,7 @@ public:
static const char* short_name_as_C_string(ID id, char* buf, int size);
// Access to intrinsic methods:
static methodOop method_for(ID id);
static Method* method_for(ID id);
// Wrapper object methods:
static ID for_boxing(BasicType type);