Wed, 09 Jun 2010 18:50:45 -0700
6939203: JSR 292 needs method handle constants
Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode.
Reviewed-by: twisti, never
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25 // ciCPCache
26 //
27 // This class represents a constant pool cache.
28 //
29 // Note: This class is called ciCPCache as ciConstantPoolCache is used
30 // for something different.
31 class ciCPCache : public ciObject {
32 private:
33 constantPoolCacheOop get_cpCacheOop() { // must be called inside a VM_ENTRY_MARK
34 return (constantPoolCacheOop) get_oop();
35 }
37 ConstantPoolCacheEntry* entry_at(int i) {
38 int raw_index = i;
39 if (constantPoolCacheOopDesc::is_secondary_index(i))
40 raw_index = constantPoolCacheOopDesc::decode_secondary_index(i);
41 return get_cpCacheOop()->entry_at(raw_index);
42 }
44 public:
45 ciCPCache(constantPoolCacheHandle cpcache) : ciObject(cpcache) {}
47 // What kind of ciObject is this?
48 bool is_cpcache() const { return true; }
50 // Get the offset in bytes from the oop to the f1 field of the
51 // requested entry.
52 size_t get_f1_offset(int index);
54 bool is_f1_null_at(int index);
56 int get_pool_index(int index);
58 void print();
59 };