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6845368: large objects cause a crash or unexpected exception

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Reviewed-by: jmasa, iveresov
This commit is contained in:
John Coomes 2009-08-13 16:22:45 -07:00
parent 662adda5e6
commit e7c70c499b
10 changed files with 65640 additions and 65 deletions
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16
hotspot/src/share/vm/oops/instanceKlass.hpp
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@ -103,12 +103,12 @@ class FieldPrinter: public FieldClosure {
class OopMapBlock VALUE_OBJ_CLASS_SPEC {
public:
// Byte offset of the first oop mapped by this block.
jushort offset() const { return _offset; }
void set_offset(jushort offset) { _offset = offset; }
int offset() const { return _offset; }
void set_offset(int offset) { _offset = offset; }
// Number of oops in this block.
jushort count() const { return _count; }
void set_count(jushort count) { _count = count; }
uint count() const { return _count; }
void set_count(uint count) { _count = count; }
// sizeof(OopMapBlock) in HeapWords.
static const int size_in_words() {
@ -117,8 +117,8 @@ class OopMapBlock VALUE_OBJ_CLASS_SPEC {
}
private:
jushort _offset;
jushort _count;
int _offset;
uint _count;
};
class instanceKlass: public Klass {
@ -446,10 +446,10 @@ class instanceKlass: public Klass {
void set_source_debug_extension(symbolOop n){ oop_store_without_check((oop*) &_source_debug_extension, (oop) n); }
// nonstatic oop-map blocks
static int nonstatic_oop_map_size(int oop_map_count) {
static int nonstatic_oop_map_size(unsigned int oop_map_count) {
return oop_map_count * OopMapBlock::size_in_words();
}
int nonstatic_oop_map_count() const {
unsigned int nonstatic_oop_map_count() const {
return _nonstatic_oop_map_size / OopMapBlock::size_in_words();
}
int nonstatic_oop_map_size() const { return _nonstatic_oop_map_size; }