6655638: dynamic languages need method handles

Summary: initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)
Reviewed-by: kvn, twisti, never

1 files changed, 8 insertions, 3 deletions

diff --git a/src/cpu/x86/vm/interp_masm_x86_64.cpp b/src/cpu/x86/vm/interp_masm_x86_64.cpp
index 56bd0c8c9..dbd858da2 100644
--- a/src/cpu/x86/vm/interp_masm_x86_64.cpp
+++ b/src/cpu/x86/vm/interp_masm_x86_64.cpp
@@ -551,13 +551,18 @@ void InterpreterMacroAssembler::super_call_VM_leaf(address entry_point,
   MacroAssembler::call_VM_leaf_base(entry_point, 3);
 }
 
-// Jump to from_interpreted entry of a call unless single stepping is possible
-// in this thread in which case we must call the i2i entry
-void InterpreterMacroAssembler::jump_from_interpreted(Register method, Register temp) {
+void InterpreterMacroAssembler::prepare_to_jump_from_interpreted() {
   // set sender sp
   lea(r13, Address(rsp, wordSize));
   // record last_sp
   movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), r13);
+}
+
+
+// Jump to from_interpreted entry of a call unless single stepping is possible
+// in this thread in which case we must call the i2i entry
+void InterpreterMacroAssembler::jump_from_interpreted(Register method, Register temp) {
+  prepare_to_jump_from_interpreted();
 
   if (JvmtiExport::can_post_interpreter_events()) {
     Label run_compiled_code;