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diff src/cpu/x86/vm/templateInterpreter_x86_32.cpp @ 2118:dd031b2226de

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4930919: race condition in MDO creation at back branch locations Summary: Reuse set_method_data_for_bcp() to setup mdp after MDO creation. Reviewed-by: kvn, never
author iveresov
date Mon, 10 Jan 2011 18:46:29 -0800
parents f95d63e2154a
children b599a4c6c2df
line wrap: on
line diff
--- a/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Mon Jan 10 03:58:07 2011 -0800
+++ b/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Mon Jan 10 18:46:29 2011 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1367,15 +1367,8 @@
     if (ProfileInterpreter) {
       // We have decided to profile this method in the interpreter
       __ bind(profile_method);
-
-      __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method), rsi, true);
-
-      __ movptr(rbx, Address(rbp, method_offset));   // restore methodOop
-      __ movptr(rax, Address(rbx, in_bytes(methodOopDesc::method_data_offset())));
-      __ movptr(Address(rbp, frame::interpreter_frame_mdx_offset * wordSize), rax);
-      __ test_method_data_pointer(rax, profile_method_continue);
-      __ addptr(rax, in_bytes(methodDataOopDesc::data_offset()));
-      __ movptr(Address(rbp, frame::interpreter_frame_mdx_offset * wordSize), rax);
+      __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method));
+      __ set_method_data_pointer_for_bcp();
       __ jmp(profile_method_continue);
     }
     // Handle overflow of counter and compile method