Mercurial > hg > truffle
diff src/share/vm/code/pcDesc.hpp @ 931:72088be4b386
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
Summary: use PcDesc to keep record of the reexecute bit instead of using DebugInfoStreams
Reviewed-by: kvn, never, twisti
author | cfang |
---|---|
date | Thu, 20 Aug 2009 12:42:57 -0700 |
parents | a61af66fc99e |
children | 8e954aedbb81 |
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--- a/src/share/vm/code/pcDesc.hpp Wed Aug 19 19:05:18 2009 -0700 +++ b/src/share/vm/code/pcDesc.hpp Thu Aug 20 12:42:57 2009 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 1997-2009 Sun Microsystems, Inc. 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 @@ -34,6 +34,13 @@ int _scope_decode_offset; // offset for scope in nmethod int _obj_decode_offset; + union PcDescFlags { + int word; + struct { + unsigned int reexecute: 1; + } bits; + } _flags; + public: int pc_offset() const { return _pc_offset; } int scope_decode_offset() const { return _scope_decode_offset; } @@ -53,6 +60,10 @@ upper_offset_limit = (unsigned int)-1 >> 1 }; + // Flags + bool should_reexecute() const { return _flags.bits.reexecute; } + void set_should_reexecute(bool z) { _flags.bits.reexecute = z; } + // Returns the real pc address real_pc(const nmethod* code) const;