src/share/vm/gc_implementation/g1/heapRegion.hpp
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rev 4802 : imported patch optimize-nmethod-scanning
rev 4803 : imported patch thomas-comments-2
@@ -336,13 +336,10 @@
// The predicted number of bytes to copy that was added to
// the total value for the collection set.
size_t _predicted_bytes_to_copy;
- // A list of code blobs (nmethods) whose code contains pointers into this region
- GrowableArray<nmethod*>* _strong_code_root_list;
-
public:
HeapRegion(uint hrs_index,
G1BlockOffsetSharedArray* sharedOffsetArray,
MemRegion mr);
@@ -799,35 +796,27 @@
virtual CompactibleSpace* next_compaction_space() const;
virtual void reset_after_compaction();
- // Routines for managing the list of code roots that point into
- // this heap region.
+ // Routines for managing a list of code roots (attached to the
+ // this region's RSet) that point into this heap region.
void add_strong_code_root(nmethod* nm);
void remove_strong_code_root(nmethod* nm);
- GrowableArray<nmethod*>* strong_code_root_list() {
- return _strong_code_root_list;
- }
-
- // During a collection, migrate successfully evacuated strong
- // code roots attached to this region to the new regions that
- // they point into. Unsuccessfully evacuated code roots are
- // not migrated.
+ // During a collection, migrate the successfully evacuated
+ // strong code roots that referenced into this region to the
+ // new regions that they now point into. Unsuccessfully
+ // evacuated code roots are not migrated.
void migrate_strong_code_roots();
// Applies blk->do_code_blob() to each of the entries in
- // the strong code roots list;
+ // the strong code roots list for this region
void strong_code_roots_do(CodeBlobClosure* blk) const;
- // Returns the amount of memory, in bytes, currently
- // consumed by the strong code roots.
- size_t strong_code_root_mem_size();
-
- // Verify that the entries on the strong code root list are live and
- // include at least one pointer into this region.
+ // Verify that the entries on the strong code root list for this
+ // region are live and include at least one pointer into this region.
void verify_strong_code_roots(VerifyOption vo, bool* failures) const;
void print() const;
void print_on(outputStream* st) const;