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8136421: JEP 243: Java-Level JVM Compiler Interface

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Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett
This commit is contained in:
Christian Thalinger 2015-10-08 12:49:30 -10:00
parent f5b4bb46f5
commit 16526e000e
505 changed files with 50394 additions and 915 deletions
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47
hotspot/src/share/vm/code/oopRecorder.hpp
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@ -146,18 +146,57 @@ template <class T> class ValueRecorder : public StackObj {
#endif
};
class OopRecorder;
class ObjectLookup : public ResourceObj {
private:
class ObjectEntry {
private:
jobject _value;
int _index;
public:
ObjectEntry(jobject value, int index) : _value(value), _index(index) {}
ObjectEntry() : _value(NULL), _index(0) {}
oop oop_value() const;
int index() { return _index; }
};
GrowableArray<ObjectEntry> _values;
unsigned int _gc_count;
// Utility sort functions
static int sort_by_address(oop a, oop b);
static int sort_by_address(ObjectEntry* a, ObjectEntry* b);
static int sort_oop_by_address(oop const& a, ObjectEntry const& b);
public:
ObjectLookup();
// Resort list if a GC has occurred since the last sort
void maybe_resort();
int find_index(jobject object, OopRecorder* oop_recorder);
};
class OopRecorder : public ResourceObj {
private:
ValueRecorder<jobject> _oops;
ValueRecorder<Metadata*> _metadata;
ObjectLookup* _object_lookup;
public:
OopRecorder(Arena* arena = NULL): _oops(arena), _metadata(arena) {}
OopRecorder(Arena* arena = NULL, bool deduplicate = false): _oops(arena), _metadata(arena) {
if (deduplicate) {
_object_lookup = new ObjectLookup();
} else {
_object_lookup = NULL;
}
}
int allocate_oop_index(jobject h) {
return _oops.allocate_index(h);
}
int find_index(jobject h) {
return _oops.find_index(h);
virtual int find_index(jobject h) {
return _object_lookup != NULL ? _object_lookup->find_index(h, this) : _oops.find_index(h);
}
jobject oop_at(int index) {
return _oops.at(index);
@ -175,7 +214,7 @@ class OopRecorder : public ResourceObj {
int allocate_metadata_index(Metadata* oop) {
return _metadata.allocate_index(oop);
}
int find_index(Metadata* h) {
virtual int find_index(Metadata* h) {
return _metadata.find_index(h);
}
Metadata* metadata_at(int index) {