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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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13
hotspot/src/share/vm/classfile/symbolTable.hpp
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@ -94,17 +94,17 @@ private:
// Adding elements
Symbol* basic_add(int index, u1* name, int len, unsigned int hashValue,
bool c_heap, TRAPS);
bool basic_add(Handle class_loader, constantPoolHandle cp, int names_count,
bool basic_add(ClassLoaderData* loader_data,
constantPoolHandle cp, int names_count,
const char** names, int* lengths, int* cp_indices,
unsigned int* hashValues, TRAPS);
static void new_symbols(Handle class_loader, constantPoolHandle cp,
int names_count,
static void new_symbols(ClassLoaderData* loader_data,
constantPoolHandle cp, int names_count,
const char** name, int* lengths,
int* cp_indices, unsigned int* hashValues,
TRAPS) {
add(class_loader, cp, names_count, name, lengths, cp_indices, hashValues, THREAD);
add(loader_data, cp, names_count, name, lengths, cp_indices, hashValues, THREAD);
}
// Table size
@ -170,7 +170,8 @@ public:
static Symbol* lookup_unicode(const jchar* name, int len, TRAPS);
static Symbol* lookup_only_unicode(const jchar* name, int len, unsigned int& hash);
static void add(Handle class_loader, constantPoolHandle cp, int names_count,
static void add(ClassLoaderData* loader_data,
constantPoolHandle cp, int names_count,
const char** names, int* lengths, int* cp_indices,
unsigned int* hashValues, TRAPS);