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8183573: Refactor CodeHeap and AOTCodeHeap to devirtualize hot methods

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Reviewed-by: kvn, dlong
This commit is contained in:
Claes Redestad 2017-07-10 23:28:25 +02:00
parent 4de007ff3b
commit 28bb3a05d9
5 changed files with 26 additions and 36 deletions
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20
hotspot/src/share/vm/code/codeCache.cpp
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@ -422,6 +422,16 @@ void CodeCache::add_heap(ReservedSpace rs, const char* name, int code_blob_type)
MemoryService::add_code_heap_memory_pool(heap, name);
}
CodeHeap* CodeCache::get_code_heap_containing(void* start) {
assert(start != NULL, "start is null");
FOR_ALL_HEAPS(heap) {
if ((*heap)->contains(start)) {
return *heap;
}
}
return NULL;
}
CodeHeap* CodeCache::get_code_heap(const CodeBlob* cb) {
assert(cb != NULL, "CodeBlob is null");
FOR_ALL_HEAPS(heap) {
@ -609,12 +619,10 @@ CodeBlob* CodeCache::find_blob(void* start) {
// what you are doing)
CodeBlob* CodeCache::find_blob_unsafe(void* start) {
// NMT can walk the stack before code cache is created
if (_heaps != NULL && !_heaps->is_empty()) {
FOR_ALL_HEAPS(heap) {
CodeBlob* result = (*heap)->find_blob_unsafe(start);
if (result != NULL) {
return result;
}
if (_heaps != NULL) {
CodeHeap* heap = get_code_heap_containing(start);
if (heap != NULL) {
return heap->find_blob_unsafe(start);
}
}
return NULL;