Mercurial > hg > graal-jvmci-8
comparison src/cpu/x86/vm/templateTable_x86_64.cpp @ 2118:dd031b2226de
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 |
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date | Mon, 10 Jan 2011 18:46:29 -0800 |
parents | 0fc262af204f |
children | bb8e3b66bde6 |
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2117:70427f06ea47 | 2118:dd031b2226de |
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1 /* | 1 /* |
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | 4 * |
5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
1693 | 1693 |
1694 if (UseLoopCounter) { | 1694 if (UseLoopCounter) { |
1695 if (ProfileInterpreter) { | 1695 if (ProfileInterpreter) { |
1696 // Out-of-line code to allocate method data oop. | 1696 // Out-of-line code to allocate method data oop. |
1697 __ bind(profile_method); | 1697 __ bind(profile_method); |
1698 __ call_VM(noreg, | 1698 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
1699 CAST_FROM_FN_PTR(address, | |
1700 InterpreterRuntime::profile_method), r13); | |
1701 __ load_unsigned_byte(rbx, Address(r13, 0)); // restore target bytecode | 1699 __ load_unsigned_byte(rbx, Address(r13, 0)); // restore target bytecode |
1702 __ movptr(rcx, Address(rbp, method_offset)); | 1700 __ set_method_data_pointer_for_bcp(); |
1703 __ movptr(rcx, Address(rcx, | |
1704 in_bytes(methodOopDesc::method_data_offset()))); | |
1705 __ movptr(Address(rbp, frame::interpreter_frame_mdx_offset * wordSize), | |
1706 rcx); | |
1707 __ test_method_data_pointer(rcx, dispatch); | |
1708 // offset non-null mdp by MDO::data_offset() + IR::profile_method() | |
1709 __ addptr(rcx, in_bytes(methodDataOopDesc::data_offset())); | |
1710 __ addptr(rcx, rax); | |
1711 __ movptr(Address(rbp, frame::interpreter_frame_mdx_offset * wordSize), | |
1712 rcx); | |
1713 __ jmp(dispatch); | 1701 __ jmp(dispatch); |
1714 } | 1702 } |
1715 | 1703 |
1716 if (UseOnStackReplacement) { | 1704 if (UseOnStackReplacement) { |
1717 // invocation counter overflow | 1705 // invocation counter overflow |