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8207812: Implement Dynamic CDS Archive

Browse source 
Improve the usability of AppCDS

Co-authored-by: Ioi Lam <ioi.lam@oracle.com>
Co-authored-by: Jiangli Zhou <jianglizhou@google.com>
Reviewed-by: acorn, jiangli, mseledtsov
This commit is contained in:
Calvin Cheung 2019-05-17 08:29:55 -07:00
parent e6c52060dc
commit 72dc5721e0
120 changed files with 6325 additions and 862 deletions
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36
src/hotspot/share/classfile/systemDictionaryShared.hpp
View file

@ -109,6 +109,7 @@ class RunTimeSharedClassInfo;
class RunTimeSharedDictionary;
class SystemDictionaryShared: public SystemDictionary {
friend class ExcludeDumpTimeSharedClasses;
public:
enum {
FROM_FIELD_IS_PROTECTED = 1 << 0,
@ -211,16 +212,21 @@ private:
const ClassFileStream* cfs,
TRAPS);
static DumpTimeSharedClassInfo* find_or_allocate_info_for(InstanceKlass* k);
static void write_dictionary(RunTimeSharedDictionary* dictionary, bool is_builtin);
static void write_dictionary(RunTimeSharedDictionary* dictionary,
bool is_builtin,
bool is_static_archive = true);
static bool is_jfr_event_class(InstanceKlass *k);
static void warn_excluded(InstanceKlass* k, const char* reason);
static bool should_be_excluded(InstanceKlass* k);
DEBUG_ONLY(static bool _checked_excluded_classes;)
DEBUG_ONLY(static bool _no_class_loading_should_happen;)
public:
static InstanceKlass* find_builtin_class(Symbol* class_name);
static const RunTimeSharedClassInfo* find_record(RunTimeSharedDictionary* dict, Symbol* name);
static bool has_platform_or_app_classes();
// Called by PLATFORM/APP loader only
static InstanceKlass* find_or_load_shared_class(Symbol* class_name,
Handle class_loader,
@ -288,18 +294,34 @@ public:
static bool is_builtin(InstanceKlass* k) {
return (k->shared_classpath_index() != UNREGISTERED_INDEX);
}
static bool should_be_excluded(InstanceKlass* k);
static void check_excluded_classes();
static void validate_before_archiving(InstanceKlass* k);
static bool is_excluded_class(InstanceKlass* k);
static void dumptime_classes_do(class MetaspaceClosure* it);
static void write_to_archive();
static void serialize_dictionary_headers(class SerializeClosure* soc);
static void print();
static size_t estimate_size_for_archive();
static void write_to_archive(bool is_static_archive = true);
static void serialize_dictionary_headers(class SerializeClosure* soc,
bool is_static_archive = true);
static void print() { return print_on(tty); }
static void print_on(outputStream* st) NOT_CDS_RETURN;
static void print_table_statistics(outputStream* st) NOT_CDS_RETURN;
static bool empty_dumptime_table() NOT_CDS_RETURN_(true);
DEBUG_ONLY(static bool no_class_loading_should_happen() {return _no_class_loading_should_happen;})
#ifdef ASSERT
class NoClassLoadingMark: public StackObj {
public:
NoClassLoadingMark() {
assert(!_no_class_loading_should_happen, "must not be nested");
_no_class_loading_should_happen = true;
}
~NoClassLoadingMark() {
_no_class_loading_should_happen = false;
}
};
#endif
DEBUG_ONLY(static bool checked_excluded_classes() {return _checked_excluded_classes;})
};
#endif // SHARE_CLASSFILE_SYSTEMDICTIONARYSHARED_HPP