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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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16
hotspot/src/share/vm/prims/jvmtiEnv.cpp
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@ -541,12 +541,12 @@ JvmtiEnv::AddToSystemClassLoaderSearch(const char* segment) {
JavaCalls::call_special(&res,
loader,
loader_ik,
vmSymbolHandles::appendToClassPathForInstrumentation_name(),
vmSymbolHandles::appendToClassPathForInstrumentation_signature(),
vmSymbols::appendToClassPathForInstrumentation_name(),
vmSymbols::appendToClassPathForInstrumentation_signature(),
path,
THREAD);
if (HAS_PENDING_EXCEPTION) {
symbolOop ex_name = PENDING_EXCEPTION->klass()->klass_part()->name();
Symbol* ex_name = PENDING_EXCEPTION->klass()->klass_part()->name();
CLEAR_PENDING_EXCEPTION;
if (ex_name == vmSymbols::java_lang_NoSuchMethodError()) {
@ -2124,7 +2124,7 @@ JvmtiEnv::GetClassSignature(oop k_mirror, char** signature_ptr, char** generic_p
if (generic_ptr != NULL) {
*generic_ptr = NULL;
if (!isPrimitive && Klass::cast(k)->oop_is_instance()) {
symbolOop soo = instanceKlass::cast(k)->generic_signature();
Symbol* soo = instanceKlass::cast(k)->generic_signature();
if (soo != NULL) {
const char *gen_sig = soo->as_C_string();
if (gen_sig != NULL) {
@ -2176,7 +2176,7 @@ JvmtiEnv::GetSourceFileName(oop k_mirror, char** source_name_ptr) {
return JVMTI_ERROR_ABSENT_INFORMATION;
}
symbolOop sfnOop = instanceKlass::cast(k_klass)->source_file_name();
Symbol* sfnOop = instanceKlass::cast(k_klass)->source_file_name();
NULL_CHECK(sfnOop, JVMTI_ERROR_ABSENT_INFORMATION);
{
JavaThread* current_thread = JavaThread::current();
@ -2539,7 +2539,7 @@ JvmtiEnv::GetSourceDebugExtension(oop k_mirror, char** source_debug_extension_pt
if (!Klass::cast(k)->oop_is_instance()) {
return JVMTI_ERROR_ABSENT_INFORMATION;
}
symbolOop sdeOop = instanceKlass::cast(k)->source_debug_extension();
Symbol* sdeOop = instanceKlass::cast(k)->source_debug_extension();
NULL_CHECK(sdeOop, JVMTI_ERROR_ABSENT_INFORMATION);
{
@ -2619,7 +2619,7 @@ JvmtiEnv::GetFieldName(fieldDescriptor* fdesc_ptr, char** name_ptr, char** signa
}
if (generic_ptr != NULL) {
*generic_ptr = NULL;
symbolOop soop = fdesc_ptr->generic_signature();
Symbol* soop = fdesc_ptr->generic_signature();
if (soop != NULL) {
const char* gen_sig = soop->as_C_string();
if (gen_sig != NULL) {
@ -2695,7 +2695,7 @@ JvmtiEnv::GetMethodName(methodOop method_oop, char** name_ptr, char** signature_
if (generic_ptr != NULL) {
*generic_ptr = NULL;
symbolOop soop = method_oop->generic_signature();
Symbol* soop = method_oop->generic_signature();
if (soop != NULL) {
const char* gen_sig = soop->as_C_string();
if (gen_sig != NULL) {