Re: Porting to Darwin

Hi Steve.  You're right -- I was using the wrong image.  Using your
previously-provided image for Unix with the VM compiled with -
mstackalign, running with +TraceLookup, confirms that I'm definitely
running lots of ST code.  If I run with '-script ...' I'll eventually
break into the built-in debugger as the unix image fails when it tries
to load libc.so.6.  (Perhaps we should change the ST code to catch the
DLL lookup failure and log the failure instead?)

Linking Darwin's equivalent to that name (/usr/lib/libSystem.B.dylib)
causes a bus error and with rampant corruption of the stack.  I
suspect this is occurring as the stack isn't aligned, and my stack-
alignment patch above doesn't seem to do the right thing.  I'll try
poking at this some more tonight.

Brian.



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