[RFA] export i386_frameless_signal_p for interix

[Joel Brobecker <brobecker at gnat dot com>]

Hello,

I'd like to export the following function in i386-tdep.c for the
benefit of the interix port. The function in i386-interix-tdep.c that
would use it is:

    static CORE_ADDR
    i386_interix_frame_saved_pc (struct frame_info *fi)
    {
      [...]
      /* FIXME: equivalent to: if (i386_frameless_signal_p (fi)), but this
         function is declared static in i386-tdep.c.  */
      if (fi->next && fi->next->signal_handler_caller
             && (frameless_look_for_prologue (fi)
                 || fi->pc == get_pc_function_start (fi->pc)))
        return read_memory_integer (fi->frame - 12, 4);
      
Would that be ok?

2002-11-05  Joel Brobecker  <brobecker@gnat.com>

        * i386-tdep.c (i386_frameless_signal_p): Make non static for
        the benefit of the interix target.
        * i386-tdep.h (i386_frameless_signal_p): Declare.

Just in case this is needed, the full implementation of this function
is attached after the patch (the one currently checked in is a bit
out of date compared to this one - the new one fixes a load of failures,
and hopefully I'll be able to check it in soon).

Ok to apply?

Thanks,
-- 
Joel

Attachment: i386-tdep.diff
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Attachment: frame_saved_pc.c
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