Request for reviews (M): 6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
Christian.Thalinger at Sun.COM
Wed Aug 19 12:36:52 PDT 2009
changpeng fang - Sun Microsystems - Santa Clara United States wrote:
> Fixed 6873116: Modify reexecute implementation to use pcDesc to record
> the reexecute bit
> The implementation in this work is mostly from Christian's work on
> reexecute/mh bit changes.
> Current implementation of reexecute bit uses DebugInfoStreams to record
> the reexecute bit by compressing the reexecute bit
> into bci field. This makes the code look ugly
> (e.g.read_bci_and_reexecute(bool& reexecute). It also makes the future
> of debuginfo difficult.
> In this work, we use pcDesc to record the reexecute bit obtained from
> describe_scope, and then store the reexecute bit to
> scopeDesc when a scopeDesc object is created.
> JPRT, CompileTheWord, refworkload
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