--- a/hotspot/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp Thu May 20 06:34:23 2010 -0700
+++ b/hotspot/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp Fri May 21 02:59:24 2010 -0700
@@ -679,8 +679,15 @@
__ call_VM_leaf(L7_thread_cache, CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address),
G2_thread, Oissuing_pc->after_save());
__ verify_not_null_oop(Oexception->after_save());
- __ jmp(O0, 0);
- __ delayed()->restore();
+
+ // Restore SP from L7 if the exception PC is a MethodHandle call site.
+ __ mov(O0, G5); // Save the target address.
+ __ lduw(Address(G2_thread, JavaThread::is_method_handle_return_offset()), L0);
+ __ tst(L0); // Condition codes are preserved over the restore.
+ __ restore();
+
+ __ jmp(G5, 0);
+ __ delayed()->movcc(Assembler::notZero, false, Assembler::icc, L7_mh_SP_save, SP); // Restore SP if required.
}
break;