On 05/08/07, Joshua Isom <[EMAIL PROTECTED]> wrote: > > On Aug 4, 2007, at 5:28 AM, Paul Cochrane wrote: > > > On 03/08/07, via RT Joshua Isom <[EMAIL PROTECTED]> > > wrote: > >> # New Ticket Created by Joshua Isom > >> # Please include the string: [perl #44391] > >> # in the subject line of all future correspondence about this issue. > >> # <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=44391 > > >> > >> > >> After a fair amount of headaches, I finally discovered some of my > >> trouble with my jit. It seems as though r19820 changed the API for > >> preserving and restoring parrot's registers to cpu registers. The > >> cause was to convert internal_exceptions(fatal) to > >> real_exceptions(maybe fatal), and since internal_exceptions need > >> interp, interp gets passed around. Only i386 was fixed to handle the > >> API change, and PPC's broken. In this case, real_exception could be > >> appropriate to prevent executing bad/incomplete machine code that > >> would > >> crash parrot. If you look at the exceptions used, in i386's > >> jit_emit.h, it's more a bad jit_emit.h than anything caused by a user. > > > > Since I was unable to test the internal_exception() to > > real_exception() change on anything other than i386, I didn't update > > the jit_emit.h headers for other architectures in the repository. I'm > > sorry that this has caused headaches. I did make a mention of the > > fact that I couldn't update all architectures in RT#40392 which I'm > > pretty sure made it to the list. Is there anything I can do to help > > out? > > > > Paul > > Part of my what I was thinking was that many of those > internal_exceptions should probably stay internal_exceptions because it > means one of the macros or subs was used incorrectly and tried to > generate invalid code. The way I see it, internal_exceptions should > never be generated from PIR code, and most likely indicate improper > usage of some part of parrot, and real_exceptions can be generated from > PIR code and may wish to be caught.
I don't mind if some of the real_exceptions return to internal_exceptions, so long as this is the right thing to do.
