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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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18
hotspot/src/cpu/sparc/vm/frame_sparc.cpp
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@ -26,7 +26,7 @@
#include "interpreter/interpreter.hpp"
#include "memory/resourceArea.hpp"
#include "oops/markOop.hpp"
#include "oops/methodOop.hpp"
#include "oops/method.hpp"
#include "oops/oop.inline.hpp"
#include "prims/methodHandles.hpp"
#include "runtime/frame.inline.hpp"
@ -612,7 +612,7 @@ bool frame::interpreter_frame_equals_unpacked_fp(intptr_t* fp) {
void frame::pd_gc_epilog() {
if (is_interpreted_frame()) {
// set constant pool cache entry for interpreter
methodOop m = interpreter_frame_method();
Method* m = interpreter_frame_method();
*interpreter_frame_cpoolcache_addr() = m->constants()->cache();
}
@ -645,7 +645,7 @@ bool frame::is_interpreted_frame_valid(JavaThread* thread) const {
// first the method
methodOop m = *interpreter_frame_method_addr();
Method* m = *interpreter_frame_method_addr();
// validate the method we'd find in this potential sender
if (!Universe::heap()->is_valid_method(m)) return false;
@ -663,13 +663,9 @@ bool frame::is_interpreted_frame_valid(JavaThread* thread) const {
return false;
}
// validate constantPoolCacheOop
constantPoolCacheOop cp = *interpreter_frame_cache_addr();
if (cp == NULL ||
!Space::is_aligned(cp) ||
!Universe::heap()->is_permanent((void*)cp)) return false;
// validate ConstantPoolCache*
ConstantPoolCache* cp = *interpreter_frame_cache_addr();
if (cp == NULL || !cp->is_metadata()) return false;
// validate locals
@ -729,7 +725,7 @@ intptr_t* frame::entry_frame_argument_at(int offset) const {
BasicType frame::interpreter_frame_result(oop* oop_result, jvalue* value_result) {
assert(is_interpreted_frame(), "interpreted frame expected");
methodOop method = interpreter_frame_method();
Method* method = interpreter_frame_method();
BasicType type = method->result_type();
if (method->is_native()) {