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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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12
hotspot/src/share/vm/prims/jvmtiExport.cpp
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@ -268,9 +268,9 @@ private:
jclass _class_being_redefined;
public:
JvmtiClassFileLoadEventMark(JavaThread *thread, symbolHandle name,
JvmtiClassFileLoadEventMark(JavaThread *thread, Symbol* name,
Handle class_loader, Handle prot_domain, KlassHandle *class_being_redefined) : JvmtiThreadEventMark(thread) {
_class_name = name() != NULL? name->as_utf8() : NULL;
_class_name = name != NULL? name->as_utf8() : NULL;
_jloader = (jobject)to_jobject(class_loader());
_protection_domain = (jobject)to_jobject(prot_domain());
if (class_being_redefined == NULL) {
@ -506,7 +506,7 @@ JvmtiExport::get_all_native_method_prefixes(int* count_ptr) {
class JvmtiClassFileLoadHookPoster : public StackObj {
private:
symbolHandle _h_name;
Symbol* _h_name;
Handle _class_loader;
Handle _h_protection_domain;
unsigned char ** _data_ptr;
@ -522,7 +522,7 @@ class JvmtiClassFileLoadHookPoster : public StackObj {
JvmtiClassLoadKind _load_kind;
public:
inline JvmtiClassFileLoadHookPoster(symbolHandle h_name, Handle class_loader,
inline JvmtiClassFileLoadHookPoster(Symbol* h_name, Handle class_loader,
Handle h_protection_domain,
unsigned char **data_ptr, unsigned char **end_ptr,
unsigned char **cached_data_ptr,
@ -597,7 +597,7 @@ class JvmtiClassFileLoadHookPoster : public StackObj {
// EVT_TRACE(JVMTI_EVENT_CLASS_FILE_LOAD_HOOK,
// ("JVMTI [%s] class file load hook event sent %s data_ptr = %d, data_len = %d",
// JvmtiTrace::safe_get_thread_name(_thread),
// _h_name.is_null() ? "NULL" : _h_name->as_utf8(),
// _h_name == NULL ? "NULL" : _h_name->as_utf8(),
// _curr_data, _curr_len ));
JvmtiClassFileLoadEventMark jem(_thread, _h_name, _class_loader,
_h_protection_domain,
@ -655,7 +655,7 @@ class JvmtiClassFileLoadHookPoster : public StackObj {
bool JvmtiExport::_should_post_class_file_load_hook = false;
// this entry is for class file load hook on class load, redefine and retransform
void JvmtiExport::post_class_file_load_hook(symbolHandle h_name,
void JvmtiExport::post_class_file_load_hook(Symbol* h_name,
Handle class_loader,
Handle h_protection_domain,
unsigned char **data_ptr,