On Oct 11,  7:31pm, fredette@MIT.EDU (Matthew Fredette) wrote:
-- Subject: Re: COMPAT_SUNOS process memory map question

| 
| > Old sun binaries might have mapped page 0 to 0, so that *0 does not
| > core dump (remember the vax :-). This is just speculation.
| > 
| > christos
| 
| Ya, and *0 gets a zero byte, right?  Is the page writable?  If so,
| does writing to it change it, or does it always read as zeroes?
| 

I believe it should be readonly. Because if you write to it, it might
not be zero anymore :-)

christos