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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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8
hotspot/src/share/vm/runtime/sharedRuntime.hpp
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@ -234,7 +234,7 @@ class SharedRuntime: AllStatic {
static void throw_and_post_jvmti_exception(JavaThread *thread, Symbol* name, const char *message = NULL);
// RedefineClasses() tracing support for obsolete method entry
static int rc_trace_method_entry(JavaThread* thread, methodOopDesc* m);
static int rc_trace_method_entry(JavaThread* thread, Method* m);
// To be used as the entry point for unresolved native methods.
static address native_method_throw_unsatisfied_link_error_entry();
@ -253,8 +253,8 @@ class SharedRuntime: AllStatic {
// dtrace notifications
static int dtrace_object_alloc(oopDesc* o);
static int dtrace_object_alloc_base(Thread* thread, oopDesc* o);
static int dtrace_method_entry(JavaThread* thread, methodOopDesc* m);
static int dtrace_method_exit(JavaThread* thread, methodOopDesc* m);
static int dtrace_method_entry(JavaThread* thread, Method* m);
static int dtrace_method_exit(JavaThread* thread, Method* m);
// Utility method for retrieving the Java thread id, returns 0 if the
// thread is not a well formed Java thread.
@ -452,7 +452,7 @@ class SharedRuntime: AllStatic {
// A compiled caller has just called the interpreter, but compiled code
// exists. Patch the caller so he no longer calls into the interpreter.
static void fixup_callers_callsite(methodOopDesc* moop, address ret_pc);
static void fixup_callers_callsite(Method* moop, address ret_pc);
// Slow-path Locking and Unlocking
static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* thread);