[commit/multiarch/hpux] hppa32 is now partially multiarched

[Joel Brobecker <brobecker at gnat dot com>]

I was really surprised that simply setting GDB_MULTI_ARCH to 1 worked
without any glitch. We even gained 10 regressions in the process...

Regarding hppa64, I don't think it is ready to go multiarch yet.
I think it will be more productive for me to take care of hppa32
first, then then focus on hppa64 later (because the only machine I can
work on right now is really a pain to use as a dev machine so I want
to group all hppa64 work as much as possible).

My plan for the next moves is:
  - Move all the ``#if !GDB_MULTI_ARCH ... #define ... #endif'' blocks
    away to tm-hppa64.h, since it is the only file left that needs them
    now.
  - Remove some definitions that were only used for the hppa-pro target
    (OK, mark them as obsolete)
  - Move some of the definitions to hppa-tdep.h or hppa-tdep.c
  - convert the macros that are still not converted
  - do some misc cleanup
  - see what's left.

During this process, I'll try not to break hppa64, although I admit up
front that I won't check this target everytime, only on a more or less
regular basis. If there is any objection to this approach, let me know.

Here is the patch that I just committed, using the multipass (er, I
mean, the multiarch pass :-):

2003-04-21  J. Brobecker  <brobecker at gnat dot com>

        Ongoing multi-arch conversion for HP/UX.
        * config/pa/tm-hppa.h (GDB_MULTI_ARCH): Set to 1. Do not define
        if already defined (allows hppa64 to stay non-multiarched for now).
        * config/pa/tm-hppa64.h (GDB_MULTI_ARCH): Define.

-- 
Joel

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