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6711316: Open source the Garbage-First garbage collector

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First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
This commit is contained in:
Y. Srinivas Ramakrishna 2008-06-05 15:57:56 -07:00
parent 39463bb3fc
commit 18f3386a98
215 changed files with 36088 additions and 1249 deletions
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34
hotspot/src/share/vm/oops/instanceRefKlass.cpp
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@ -176,6 +176,11 @@ int instanceRefKlass::oop_adjust_pointers(oop obj) {
}
#define InstanceRefKlass_SPECIALIZED_OOP_ITERATE(T, nv_suffix, contains) \
if (closure->apply_to_weak_ref_discovered_field()) { \
T* disc_addr = (T*)java_lang_ref_Reference::discovered_addr(obj); \
closure->do_oop##nv_suffix(disc_addr); \
} \
\
T* referent_addr = (T*)java_lang_ref_Reference::referent_addr(obj); \
oop referent = oopDesc::load_decode_heap_oop(referent_addr); \
if (referent != NULL && contains(referent_addr)) { \
@ -219,6 +224,25 @@ oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) {
} \
}
#ifndef SERIALGC
#define InstanceRefKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
\
int instanceRefKlass:: \
oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) { \
/* Get size before changing pointers */ \
SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\
\
int size = instanceKlass::oop_oop_iterate_backwards##nv_suffix(obj, closure); \
\
if (UseCompressedOops) { \
InstanceRefKlass_SPECIALIZED_OOP_ITERATE(narrowOop, nv_suffix, contains); \
} else { \
InstanceRefKlass_SPECIALIZED_OOP_ITERATE(oop, nv_suffix, contains); \
} \
}
#endif // !SERIALGC
#define InstanceRefKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \
\
int instanceRefKlass:: \
@ -236,9 +260,13 @@ oop_oop_iterate##nv_suffix##_m(oop obj,
}
ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceRefKlass_OOP_OOP_ITERATE_DEFN)
ALL_OOP_OOP_ITERATE_CLOSURES_3(InstanceRefKlass_OOP_OOP_ITERATE_DEFN)
ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceRefKlass_OOP_OOP_ITERATE_DEFN)
#ifndef SERIALGC
ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceRefKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceRefKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
#endif // SERIALGC
ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceRefKlass_OOP_OOP_ITERATE_DEFN_m)
ALL_OOP_OOP_ITERATE_CLOSURES_3(InstanceRefKlass_OOP_OOP_ITERATE_DEFN_m)
ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceRefKlass_OOP_OOP_ITERATE_DEFN_m)
#ifndef SERIALGC
template <class T>
@ -423,7 +451,7 @@ void instanceRefKlass::oop_verify_on(oop obj, outputStream* st) {
// Verify next field
oop next = java_lang_ref_Reference::next(obj);
if (next != NULL) {
guarantee(next->is_oop(), "next field verify fa iled");
guarantee(next->is_oop(), "next field verify failed");
guarantee(next->is_instanceRef(), "next field verify failed");
if (gch != NULL && !gch->is_in_youngest(obj)) {
// We do a specific remembered set check here since the next field is