0N/A/*
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0N/A
1879N/A#ifndef SHARE_VM_OOPS_INSTANCEOOP_HPP
1879N/A#define SHARE_VM_OOPS_INSTANCEOOP_HPP
1879N/A
1879N/A#include "oops/oop.hpp"
1879N/A
0N/A// An instanceOop is an instance of a Java Class
0N/A// Evaluating "new HashTable()" will create an instanceOop.
0N/A
0N/Aclass instanceOopDesc : public oopDesc {
0N/A public:
113N/A // aligned header size.
0N/A static int header_size() { return sizeof(instanceOopDesc)/HeapWordSize; }
113N/A
113N/A // If compressed, the offset of the fields of the instance may not be aligned.
113N/A static int base_offset_in_bytes() {
113N/A return UseCompressedOops ?
113N/A klass_gap_offset_in_bytes() :
113N/A sizeof(instanceOopDesc);
113N/A }
113N/A
113N/A static bool contains_field_offset(int offset, int nonstatic_field_size) {
113N/A int base_in_bytes = base_offset_in_bytes();
165N/A return (offset >= base_in_bytes &&
165N/A (offset-base_in_bytes) < nonstatic_field_size * heapOopSize);
113N/A }
0N/A};
1879N/A
1879N/A#endif // SHARE_VM_OOPS_INSTANCEOOP_HPP