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8046070: Class Data Sharing clean up and refactoring

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Cleaned up CDS to be more configurable, maintainable and extensible

Reviewed-by: dholmes, coleenp, acorn, mchung
This commit is contained in:
Ioi Lam 2014-08-12 17:29:00 -07:00
parent 1fec07f4bf
commit bbe6f51f81
42 changed files with 2087 additions and 434 deletions
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14
hotspot/src/share/vm/prims/jvm.cpp
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@ -28,6 +28,10 @@
#include "classfile/javaClasses.hpp"
#include "classfile/stringTable.hpp"
#include "classfile/systemDictionary.hpp"
#if INCLUDE_CDS
#include "classfile/sharedClassUtil.hpp"
#include "classfile/systemDictionaryShared.hpp"
#endif
#include "classfile/vmSymbols.hpp"
#include "gc_interface/collectedHeap.inline.hpp"
#include "interpreter/bytecode.hpp"
@ -993,7 +997,15 @@ JVM_ENTRY(jclass, JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name)
h_loader,
Handle(),
CHECK_NULL);
#if INCLUDE_CDS
if (k == NULL) {
// If the class is not already loaded, try to see if it's in the shared
// archive for the current classloader (h_loader).
instanceKlassHandle ik = SystemDictionaryShared::find_or_load_shared_class(
klass_name, h_loader, CHECK_NULL);
k = ik();
}
#endif
return (k == NULL) ? NULL :
(jclass) JNIHandles::make_local(env, k->java_mirror());
JVM_END