src/cpu/ppc/vm/stubGenerator_ppc.cpp

rev 8107 : 8077838: Recent developments for ppc.

*** 259,271 ****
        //
  
        // global toc register
        __ load_const(R29, MacroAssembler::global_toc(), R11_scratch1);
  
-       // Load narrow oop base.
-       __ reinit_heapbase(R30, R11_scratch1);
- 
        // Remember the senderSP so we interpreter can pop c2i arguments off of the stack
        // when called via a c2i.
  
        // Pass initial_caller_sp to framemanager.
        __ mr(R21_tmp1, R1_SP);
--- 259,268 ----
*** 416,425 ****
--- 413,439 ----
    // Continuation point for runtime calls returning with a pending
    // exception.  The pending exception check happened in the runtime
    // or native call stub.  The pending exception in Thread is
    // converted into a Java-level exception.
    //
+   // Read:
+   //
+   //   LR:     The pc the runtime library callee wants to return to.
+   //           Since the exception occurred in the callee, the return pc
+   //           from the point of view of Java is the exception pc.
+   //   thread: Needed for method handles.
+   //
+   // Invalidate:
+   //
+   //   volatile registers (except below).
+   //
+   // Update:
+   //
+   //   R4_ARG2: exception
+   //
+   // (LR is unchanged and is live out).
+   //
    address generate_forward_exception() {
      StubCodeMark mark(this, "StubRoutines", "forward_exception");
      address start = __ pc();
  
  #if !defined(PRODUCT)