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6990754: Use native memory and reference counting to implement SymbolTable

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Move symbols from permgen into C heap and reference count them

Reviewed-by: never, acorn, jmasa, stefank
This commit is contained in:
Coleen Phillimore 2011-01-27 16:11:27 -08:00
parent 950858350d
commit 7b4f8073f0
223 changed files with 3783 additions and 3641 deletions
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8
hotspot/src/share/vm/oops/klassVtable.hpp
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@ -71,7 +71,7 @@ class klassVtable : public ResourceObj {
// searching; all methods return -1 if not found
int index_of(methodOop m) const { return index_of(m, _length); }
int index_of_miranda(symbolOop name, symbolOop signature);
int index_of_miranda(Symbol* name, Symbol* signature);
void initialize_vtable(bool checkconstraints, TRAPS); // initialize vtable of a new klass
@ -79,7 +79,7 @@ class klassVtable : public ResourceObj {
static void compute_vtable_size_and_num_mirandas(int &vtable_length, int &num_miranda_methods,
klassOop super, objArrayOop methods,
AccessFlags class_flags, Handle classloader,
symbolHandle classname, objArrayOop local_interfaces,
Symbol* classname, objArrayOop local_interfaces,
TRAPS);
// RedefineClasses() API support:
@ -125,11 +125,11 @@ class klassVtable : public ResourceObj {
int initialize_from_super(KlassHandle super);
int index_of(methodOop m, int len) const; // same as index_of, but search only up to len
void put_method_at(methodOop m, int index);
static bool needs_new_vtable_entry(methodHandle m, klassOop super, Handle classloader, symbolHandle classname, AccessFlags access_flags, TRAPS);
static bool needs_new_vtable_entry(methodHandle m, klassOop super, Handle classloader, Symbol* classname, AccessFlags access_flags, TRAPS);
bool update_inherited_vtable(instanceKlass* klass, methodHandle target_method, int super_vtable_len, bool checkconstraints, TRAPS);
instanceKlass* find_transitive_override(instanceKlass* initialsuper, methodHandle target_method, int vtable_index,
Handle target_loader, symbolHandle target_classname, Thread* THREAD);
Handle target_loader, Symbol* target_classname, Thread* THREAD);
// support for miranda methods
bool is_miranda_entry_at(int i);