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8064458: OopMap class could be more compact

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Reviewed-by: kvn, bdelsart
This commit is contained in:
Rickard Bäckman 2015-05-05 16:50:25 +02:00
parent 6d705e6978
commit 41e1772251
20 changed files with 549 additions and 230 deletions
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6
hotspot/src/share/vm/code/codeBlob.hpp
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@ -77,7 +77,7 @@ class CodeBlob VALUE_OBJ_CLASS_SPEC {
// which we don't detect.
int _data_offset; // offset to where data region begins
int _frame_size; // size of stack frame
OopMapSet* _oop_maps; // OopMap for this CodeBlob
ImmutableOopMapSet* _oop_maps; // OopMap for this CodeBlob
CodeStrings _strings;
public:
@ -171,9 +171,9 @@ class CodeBlob VALUE_OBJ_CLASS_SPEC {
virtual bool is_alive() const = 0;
// OopMap for frame
OopMapSet* oop_maps() const { return _oop_maps; }
ImmutableOopMapSet* oop_maps() const { return _oop_maps; }
void set_oop_maps(OopMapSet* p);
OopMap* oop_map_for_return_address(address return_address);
const ImmutableOopMap* oop_map_for_return_address(address return_address);
virtual void preserve_callee_argument_oops(frame fr, const RegisterMap* reg_map, OopClosure* f) { ShouldNotReachHere(); }
// Frame support