[M3devel] I386_DARWIN GetPC, rep prefix?

[Tony Hosking]

This works on 10.5:

      pc = Context->uc_mcontext->__ss.__eip;

On 11 May 2009, at 10:00, Jay wrote:

>
> ok. What is the story on 10.5?
> Your version works? My version works?
>
> - Jay
>
> ----------------------------------------
>> CC: m3devel at elegosoft.com
>> From: hosking at cs.purdue.edu
>> To: jay.krell at cornell.edu
>> Subject: Re: I386_DARWIN GetPC, rep prefix?
>> Date: Mon, 11 May 2009 09:26:36 +1000
>>
>> Hmm. Not sure I did test that. I don't have any 10.4 systems around
>> anymore.
>>
>> On 11 May 2009, at 08:33, Jay wrote:
>>
>>> Tony, to get RTSignalC.c to compile on Darwin (not MacOSX) 8.0.1
>>> (aka 10.4).
>>>
>>>
>>>
>>> jdar1:/dev2/cm3/m3-libs/m3core/src/runtime/POSIX jay$ uname -a
>>> Darwin jdar1.local 8.0.1 Darwin Kernel Version 8.0.1: Fri Apr 29
>>> 12:18:40 PDT 2005; root:xnu-792.obj
>>> /RELEASE_I386 x86 i386
>>> jdar1:/dev2/cm3/m3-libs/m3core/src/runtime/POSIX jay$
>>>
>>>
>>> Probably that's a not very interesting target, but I don't yet have
>>> "real" x86/AMD64/Apple/Darwin hardware (just PPC/ARM).
>>>
>>>
>>> I had to:
>>>
>>>
>>> ===================================================================
>>> RCS file: /usr/cvs/cm3/m3-libs/m3core/src/runtime/POSIX/ 
>>> RTSignalC.c,v
>>> retrieving revision 1.11
>>> diff -r1.11 RTSignalC.c
>>> 71c71
>>> < pc = Context->uc_mcontext->ss.eip;
>>> ---
>>>> pc = Context->uc_mcontext->sc.sc_eip;
>>>
>>>
>>> Did you test ss.eip?
>>> And presumably sc.sc_eip doesn't work for you? Unless they have
>>> #defines for compat (on such short names..)?
>>> Maybe this changed from 10.4 to 10.5?
>>> I just want to change over the Unix/*.i3 files.
>>> I can leave my change uncommited till I get a real MacOSX>=10.5
>>> system.
>>>
>>>
>>> I also get problems even in native builds with "rep" prefixes using
>>> the "builtin" tools (as).
>>> I'll change cm3cg to 586, or 486, or 386, whatever it takes, to
>>> workaround that.
>>> Also not commit that.
>>> Or maybe build a newer "cctools".
>>>
>>>
>>> - Jay
>>