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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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10
hotspot/src/share/vm/classfile/javaClasses.hpp
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@ -78,7 +78,7 @@ class java_lang_String : AllStatic {
static oop create_oop_from_unicode(jchar* unicode, int len, TRAPS);
static Handle create_from_str(const char* utf8_str, TRAPS);
static oop create_oop_from_str(const char* utf8_str, TRAPS);
static Handle create_from_symbol(symbolHandle symbol, TRAPS);
static Handle create_from_symbol(Symbol* symbol, TRAPS);
static Handle create_from_platform_dependent_str(const char* str, TRAPS);
static Handle char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS);
@ -116,8 +116,8 @@ class java_lang_String : AllStatic {
static Handle internalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '.', '/', THREAD); }
// Conversion
static symbolHandle as_symbol(Handle java_string, TRAPS);
static symbolOop as_symbol_or_null(oop java_string);
static Symbol* as_symbol(Handle java_string, TRAPS);
static Symbol* as_symbol_or_null(oop java_string);
// Testers
static bool is_instance(oop obj) {
@ -167,7 +167,7 @@ class java_lang_Class : AllStatic {
(*reference_klass) = KlassHandle(refk_oop);
return result;
}
static symbolOop as_signature(oop java_class, bool intern_if_not_found, TRAPS);
static Symbol* as_signature(oop java_class, bool intern_if_not_found, TRAPS);
static void print_signature(oop java_class, outputStream *st);
// Testing
static bool is_instance(oop obj) {
@ -1039,7 +1039,7 @@ class java_dyn_MethodType: AllStatic {
static oop ptype(oop mt, int index);
static int ptype_count(oop mt);
static symbolOop as_signature(oop mt, bool intern_if_not_found, TRAPS);
static Symbol* as_signature(oop mt, bool intern_if_not_found, TRAPS);
static void print_signature(oop mt, outputStream* st);
static bool is_instance(oop obj) {