Mercurial > hg > graal-jvmci-8
comparison src/cpu/x86/vm/templateTable_x86_32.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 | f95d63e2154a |
children | bb8e3b66bde6 |
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2117:70427f06ea47 | 2118:dd031b2226de |
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1 /* | 1 /* |
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 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. |
1663 | 1663 |
1664 if (UseLoopCounter) { | 1664 if (UseLoopCounter) { |
1665 if (ProfileInterpreter) { | 1665 if (ProfileInterpreter) { |
1666 // Out-of-line code to allocate method data oop. | 1666 // Out-of-line code to allocate method data oop. |
1667 __ bind(profile_method); | 1667 __ bind(profile_method); |
1668 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method), rsi); | 1668 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
1669 __ load_unsigned_byte(rbx, Address(rsi, 0)); // restore target bytecode | 1669 __ load_unsigned_byte(rbx, Address(rsi, 0)); // restore target bytecode |
1670 __ movptr(rcx, Address(rbp, method_offset)); | 1670 __ set_method_data_pointer_for_bcp(); |
1671 __ movptr(rcx, Address(rcx, in_bytes(methodOopDesc::method_data_offset()))); | |
1672 __ movptr(Address(rbp, frame::interpreter_frame_mdx_offset * wordSize), rcx); | |
1673 __ test_method_data_pointer(rcx, dispatch); | |
1674 // offset non-null mdp by MDO::data_offset() + IR::profile_method() | |
1675 __ addptr(rcx, in_bytes(methodDataOopDesc::data_offset())); | |
1676 __ addptr(rcx, rax); | |
1677 __ movptr(Address(rbp, frame::interpreter_frame_mdx_offset * wordSize), rcx); | |
1678 __ jmp(dispatch); | 1671 __ jmp(dispatch); |
1679 } | 1672 } |
1680 | 1673 |
1681 if (UseOnStackReplacement) { | 1674 if (UseOnStackReplacement) { |
1682 | 1675 |