Request for reviews (M): 6930772: JSR 292 needs to support SPARC C1
Christian.Thalinger at Sun.COM
Mon May 10 04:51:48 PDT 2010
On Tue, 2010-05-04 at 21:52 +0200, Christian Thalinger wrote:
> On Tue, 2010-05-04 at 10:34 -0700, John Rose wrote:
> > On May 4, 2010, at 7:20 AM, Christian Thalinger wrote:
> > > I currently don't see why this should be a problem since O5_savedSP
> > > should contain the correct sender SP.
> > Maybe O5 is getting trashed by a trip through C2I or I2C adapters?
> Hmm, not sure where that could happen. I'll look again.
> > Could the throwing MH in question be getting called from compiled code
> > maybe?
> How could that happen? I thought every call to a MH needs to go through
> c2i before.
Can't we simply not cut back to the caller's SP? Since SP should be
restored correctly from FP during unwind anyways.
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