8287512: continuationEntry.hpp has incomplete definitions

Reviewed-by: coleenp, pchilanomate

src/hotspot/cpu/aarch64/sharedRuntime_aarch64.cpp

@@ -1050,7 +1050,7 @@ static void gen_continuation_enter(MacroAssembler* masm,
 
   __ rt_call(CAST_FROM_FN_PTR(address, StubRoutines::cont_thaw()));
   oop_maps->add_gc_map(__ pc() - start, map->deep_copy());
-  ContinuationEntry::return_pc_offset = __ pc() - start;
+  ContinuationEntry::_return_pc_offset = __ pc() - start;
   __ post_call_nop();
 
   __ bind(exit);
@@ -1195,7 +1195,7 @@ nmethod* SharedRuntime::generate_native_wrapper(MacroAssembler* masm,
                                               in_ByteSize(-1),
                                               oop_maps,
                                               exception_offset);
-    ContinuationEntry::set_enter_nmethod(nm);
+    ContinuationEntry::set_enter_code(nm);
     return nm;
   }
 

src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp

@@ -1317,7 +1317,7 @@ static void gen_continuation_enter(MacroAssembler* masm,
   __ movptr(rbx, (intptr_t) StubRoutines::cont_thaw());
   __ call(rbx);
   oop_maps->add_gc_map(__ pc() - start, map->deep_copy());
-  ContinuationEntry::return_pc_offset = __ pc() - start;
+  ContinuationEntry::_return_pc_offset = __ pc() - start;
   __ post_call_nop();
 
   __ bind(exit);
@@ -1465,7 +1465,7 @@ nmethod* SharedRuntime::generate_native_wrapper(MacroAssembler* masm,
                                               in_ByteSize(-1),
                                               oop_maps,
                                               exception_offset);
-    ContinuationEntry::set_enter_nmethod(nm);
+    ContinuationEntry::set_enter_code(nm);
     return nm;
   }
 

src/hotspot/share/runtime/continuationEntry.cpp

@@ -32,14 +32,12 @@
 #include "runtime/stubRoutines.hpp"
 #include "runtime/thread.inline.hpp"
 
-int ContinuationEntry::return_pc_offset = 0;
-nmethod* ContinuationEntry::continuation_enter = nullptr;
-address ContinuationEntry::return_pc = nullptr;
+int ContinuationEntry::_return_pc_offset = 0;
+address ContinuationEntry::_return_pc = nullptr;
 
-void ContinuationEntry::set_enter_nmethod(nmethod* nm) {
-  assert(return_pc_offset != 0, "");
-  continuation_enter = nm;
-  return_pc = nm->code_begin() + return_pc_offset;
+void ContinuationEntry::set_enter_code(CompiledMethod* cm) {
+  assert(_return_pc_offset != 0, "");
+  _return_pc = cm->code_begin() + _return_pc_offset;
 }
 
 ContinuationEntry* ContinuationEntry::from_frame(const frame& f) {

src/hotspot/share/runtime/continuationEntry.hpp

@@ -30,7 +30,6 @@
 #include "runtime/continuation.hpp"
 #include "utilities/sizes.hpp"
 
-class nmethod;
 class RegisterMap;
 class OopMap;
 class JavaThread;
@@ -52,12 +51,11 @@ public:
 #endif
 
 public:
-  static int return_pc_offset; // friend gen_continuation_enter
-  static void set_enter_nmethod(nmethod* nm); // friend SharedRuntime::generate_native_wrapper
+  static int _return_pc_offset; // friend gen_continuation_enter
+  static void set_enter_code(CompiledMethod* nm); // friend SharedRuntime::generate_native_wrapper
 
 private:
-  static nmethod* continuation_enter;
-  static address return_pc;
+  static address _return_pc;
 
 private:
   ContinuationEntry* _parent;
@@ -87,7 +85,7 @@ public:
   ContinuationEntry* parent() const { return _parent; }
   int parent_held_monitor_count() const { return _parent_held_monitor_count; }
 
-  static address entry_pc() { return return_pc; }
+  static address entry_pc() { return _return_pc; }
   intptr_t* entry_sp() const { return (intptr_t*)this; }
   intptr_t* entry_fp() const;
 
@@ -123,15 +121,11 @@ public:
   }
 
   inline oop cont_oop() const;
-
-  oop scope()     const { return Continuation::continuation_scope(cont_oop()); }
+  inline oop scope() const;
+  inline static oop cont_oop_or_null(const ContinuationEntry* ce);
 
   bool is_virtual_thread() const { return _flags != 0; }
 
-  static oop cont_oop_or_null(const ContinuationEntry* ce) {
-    return ce == nullptr ? nullptr : ce->cont_oop();
-  }
-
 #ifndef PRODUCT
   void describe(FrameValues& values, int frame_no) const {
     address usp = (address)this;

src/hotspot/share/runtime/continuationEntry.inline.hpp

@@ -36,5 +36,12 @@ inline oop ContinuationEntry::cont_oop() const {
   return NativeAccess<>::oop_load(&snapshot);
 }
 
+inline oop ContinuationEntry::cont_oop_or_null(const ContinuationEntry* ce) {
+  return ce == nullptr ? nullptr : ce->cont_oop();
+}
+
+inline oop ContinuationEntry::scope() const {
+  return Continuation::continuation_scope(cont_oop());
+}
 
 #endif // SHARE_VM_RUNTIME_CONTINUATIONENTRY_INLINE_HPP