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0N/A
1879N/A#ifndef SHARE_VM_CLASSFILE_LOADERCONSTRAINTS_HPP
1879N/A#define SHARE_VM_CLASSFILE_LOADERCONSTRAINTS_HPP
1879N/A
1879N/A#include "classfile/dictionary.hpp"
1879N/A#include "classfile/placeholders.hpp"
1879N/A#include "utilities/hashtable.hpp"
1879N/A
0N/Aclass LoaderConstraintEntry;
0N/A
3863N/Aclass LoaderConstraintTable : public Hashtable<klassOop, mtClass> {
0N/A friend class VMStructs;
0N/Aprivate:
0N/A
0N/A enum Constants {
0N/A _loader_constraint_size = 107, // number of entries in constraint table
0N/A _nof_buckets = 1009 // number of buckets in hash table
0N/A };
0N/A
2062N/A LoaderConstraintEntry** find_loader_constraint(Symbol* name,
0N/A Handle loader);
0N/A
0N/Apublic:
0N/A
0N/A LoaderConstraintTable(int nof_buckets);
0N/A
2062N/A LoaderConstraintEntry* new_entry(unsigned int hash, Symbol* name,
0N/A klassOop klass, int num_loaders,
0N/A int max_loaders);
2062N/A void free_entry(LoaderConstraintEntry *entry);
0N/A
0N/A LoaderConstraintEntry* bucket(int i) {
3863N/A return (LoaderConstraintEntry*)Hashtable<klassOop, mtClass>::bucket(i);
0N/A }
0N/A
0N/A LoaderConstraintEntry** bucket_addr(int i) {
3863N/A return (LoaderConstraintEntry**)Hashtable<klassOop, mtClass>::bucket_addr(i);
0N/A }
0N/A
0N/A // GC support
0N/A void oops_do(OopClosure* f);
0N/A
0N/A // Check class loader constraints
2062N/A bool add_entry(Symbol* name, klassOop klass1, Handle loader1,
0N/A klassOop klass2, Handle loader2);
0N/A
665N/A // Note: The main entry point for this module is via SystemDictionary.
2062N/A // SystemDictionary::check_signature_loaders(Symbol* signature,
665N/A // Handle loader1, Handle loader2,
665N/A // bool is_method, TRAPS)
0N/A
2062N/A klassOop find_constrained_klass(Symbol* name, Handle loader);
0N/A
0N/A // Class loader constraints
0N/A
0N/A void ensure_loader_constraint_capacity(LoaderConstraintEntry *p, int nfree);
0N/A void extend_loader_constraint(LoaderConstraintEntry* p, Handle loader,
0N/A klassOop klass);
0N/A void merge_loader_constraints(LoaderConstraintEntry** pp1,
0N/A LoaderConstraintEntry** pp2, klassOop klass);
0N/A
0N/A bool check_or_update(instanceKlassHandle k, Handle loader,
2062N/A Symbol* name);
0N/A
0N/A
0N/A void purge_loader_constraints(BoolObjectClosure* is_alive);
0N/A
1258N/A void verify(Dictionary* dictionary, PlaceholderTable* placeholders);
0N/A#ifndef PRODUCT
0N/A void print();
0N/A#endif
0N/A};
0N/A
3863N/Aclass LoaderConstraintEntry : public HashtableEntry<klassOop, mtClass> {
0N/A friend class VMStructs;
0N/Aprivate:
2062N/A Symbol* _name; // class name
0N/A int _num_loaders;
0N/A int _max_loaders;
0N/A oop* _loaders; // initiating loaders
0N/A
0N/Apublic:
0N/A
2062N/A klassOop klass() { return literal(); }
2062N/A klassOop* klass_addr() { return literal_addr(); }
0N/A void set_klass(klassOop k) { set_literal(k); }
0N/A
0N/A LoaderConstraintEntry* next() {
3863N/A return (LoaderConstraintEntry*)HashtableEntry<klassOop, mtClass>::next();
0N/A }
0N/A
0N/A LoaderConstraintEntry** next_addr() {
3863N/A return (LoaderConstraintEntry**)HashtableEntry<klassOop, mtClass>::next_addr();
0N/A }
0N/A void set_next(LoaderConstraintEntry* next) {
3863N/A HashtableEntry<klassOop, mtClass>::set_next(next);
0N/A }
0N/A
2062N/A Symbol* name() { return _name; }
2062N/A void set_name(Symbol* name) {
2062N/A _name = name;
2062N/A if (name != NULL) name->increment_refcount();
2062N/A }
0N/A
0N/A int num_loaders() { return _num_loaders; }
0N/A void set_num_loaders(int i) { _num_loaders = i; }
0N/A
0N/A int max_loaders() { return _max_loaders; }
0N/A void set_max_loaders(int i) { _max_loaders = i; }
0N/A
0N/A oop* loaders() { return _loaders; }
0N/A void set_loaders(oop* loaders) { _loaders = loaders; }
0N/A
0N/A oop loader(int i) { return _loaders[i]; }
0N/A oop* loader_addr(int i) { return &_loaders[i]; }
0N/A void set_loader(int i, oop p) { _loaders[i] = p; }
0N/A
0N/A};
1879N/A
1879N/A#endif // SHARE_VM_CLASSFILE_LOADERCONSTRAINTS_HPP