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8142968: Module System implementation

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Initial integration of JEP 200, JEP 260, JEP 261, and JEP 282

Co-authored-by: Alex Buckley <alex.buckley@oracle.com>
Co-authored-by: Jonathan Gibbons <jonathan.gibbons@oracle.com>
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Mandy Chung <mandy.chung@oracle.com>
Co-authored-by: Mark Reinhold <mark.reinhold@oracle.com>
Co-authored-by: Harold Seigel <harold.seigel@oracle.com>
Co-authored-by: Lois Foltan <lois.foltan@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Christian Tornqvist <christian.tornqvist@oracle.com>
Co-authored-by: Erik Joelsson <erik.joelsson@oracle.com>
Co-authored-by: George Triantafillou <george.triantafillou@oracle.com>
Co-authored-by: Igor Ignatyev <igor.ignatyev@oracle.com>
Co-authored-by: Ioi Lam <ioi.lam@oracle.com>
Co-authored-by: James Laskey <james.laskey@oracle.com>
Co-authored-by: Jean-Francois Denise <jean-francois.denise@oracle.com>
Co-authored-by: Jiangli Zhou <jiangli.zhou@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Serguei Spitsyn <serguei.spitsyn@oracle.com>
Co-authored-by: Staffan Larsen <staffan.larsen@oracle.com>
Co-authored-by: Sundararajan Athijegannathan <sundararajan.athijegannathan@oracle.com>
Reviewed-by: acorn, ccheung, coleenp, ctornqvi, dholmes, dsimms, gtriantafill, iklam, jiangli, mgronlun, mseledtsov, cjplummer, sspitsyn, stefank, twisti, hseigel, lfoltan, alanb, mchung, dfazunen
This commit is contained in:
Alan Bateman 2016-03-17 19:04:01 +00:00
parent 007b0fa3db
commit f30fc1c88b
297 changed files with 15848 additions and 2302 deletions
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24
hotspot/src/share/vm/classfile/classLoaderData.hpp
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@ -53,6 +53,10 @@ class ClassLoaderData;
class JNIMethodBlock;
class JNIHandleBlock;
class Metadebug;
class ModuleEntry;
class PackageEntry;
class ModuleEntryTable;
class PackageEntryTable;
// GC root for walking class loader data created
@ -92,6 +96,10 @@ class ClassLoaderDataGraph : public AllStatic {
static void classes_do(KlassClosure* klass_closure);
static void classes_do(void f(Klass* const));
static void methods_do(void f(Method*));
static void modules_do(void f(ModuleEntry*));
static void modules_unloading_do(void f(ModuleEntry*));
static void packages_do(void f(PackageEntry*));
static void packages_unloading_do(void f(PackageEntry*));
static void loaded_classes_do(KlassClosure* klass_closure);
static void classes_unloading_do(void f(Klass* const));
static bool do_unloading(BoolObjectClosure* is_alive, bool clean_previous_versions);
@ -172,9 +180,12 @@ class ClassLoaderData : public CHeapObj<mtClass> {
volatile int _claimed; // true if claimed, for example during GC traces.
// To avoid applying oop closure more than once.
// Has to be an int because we cas it.
Klass* _klasses; // The classes defined by the class loader.
JNIHandleBlock* _handles; // Handles to constant pool arrays, Modules, etc, which
// have the same life cycle of the corresponding ClassLoader.
JNIHandleBlock* _handles; // Handles to constant pool arrays
Klass* _klasses; // The classes defined by the class loader.
PackageEntryTable* _packages; // The packages defined by the class loader.
ModuleEntryTable* _modules; // The modules defined by the class loader.
// These method IDs are created for the class loader and set to NULL when the
// class loader is unloaded. They are rarely freed, only for redefine classes
@ -218,6 +229,8 @@ class ClassLoaderData : public CHeapObj<mtClass> {
void loaded_classes_do(KlassClosure* klass_closure);
void classes_do(void f(InstanceKlass*));
void methods_do(void f(Method*));
void modules_do(void f(ModuleEntry*));
void packages_do(void f(PackageEntry*));
// Deallocate free list during class unloading.
void free_deallocate_list();
@ -256,7 +269,7 @@ class ClassLoaderData : public CHeapObj<mtClass> {
bool is_the_null_class_loader_data() const {
return this == _the_null_class_loader_data;
}
bool is_ext_class_loader_data() const;
bool is_platform_class_loader_data() const;
// The Metaspace is created lazily so may be NULL. This
// method will allocate a Metaspace if needed.
@ -293,11 +306,16 @@ class ClassLoaderData : public CHeapObj<mtClass> {
const char* loader_name();
jobject add_handle(Handle h);
void remove_handle(jobject h);
void add_class(Klass* k, bool publicize = true);
void remove_class(Klass* k);
bool contains_klass(Klass* k);
void record_dependency(const Klass* to, TRAPS);
void init_dependencies(TRAPS);
PackageEntryTable* packages();
bool packages_defined() { return (_packages != NULL); }
ModuleEntryTable* modules();
bool modules_defined() { return (_modules != NULL); }
void add_to_deallocate_list(Metadata* m);