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8003553: NPG: metaspace objects should be zeroed in constructors

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Zero metadata in constructors, not in allocation (and some in constructors)

Reviewed-by: jmasa, sspitsyn
This commit is contained in:
Coleen Phillimore 2013-03-08 11:47:57 -05:00
parent 4cdcd6dc13
commit addd95f165
13 changed files with 111 additions and 97 deletions
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14
hotspot/src/share/vm/oops/cpCache.hpp
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@ -377,14 +377,21 @@ class ConstantPoolCache: public MetaspaceObj {
debug_only(friend class ClassVerifier;)
// Constructor
ConstantPoolCache(int length) : _length(length), _constant_pool(NULL) {
ConstantPoolCache(int length, const intStack& inverse_index_map,
const intStack& invokedynamic_references_map) :
_length(length), _constant_pool(NULL) {
initialize(inverse_index_map, invokedynamic_references_map);
for (int i = 0; i < length; i++) {
assert(entry_at(i)->is_f1_null(), "Failed to clear?");
}
}
// Initialization
void initialize(const intArray& inverse_index_map, const intArray& invokedynamic_references_map);
public:
static ConstantPoolCache* allocate(ClassLoaderData* loader_data, int length, TRAPS);
static ConstantPoolCache* allocate(ClassLoaderData* loader_data, int length,
const intStack& inverse_index_map,
const intStack& invokedynamic_references_map, TRAPS);
bool is_constantPoolCache() const { return true; }
int length() const { return _length; }
@ -405,9 +412,6 @@ class ConstantPoolCache: public MetaspaceObj {
friend class ConstantPoolCacheEntry;
public:
// Initialization
void initialize(intArray& inverse_index_map, intArray& invokedynamic_references_map);
// Accessors
void set_constant_pool(ConstantPool* pool) { _constant_pool = pool; }
ConstantPool* constant_pool() const { return _constant_pool; }