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Re: [Q: Linux/SGI] IRIX executable memory map.

To: Miguel de Icaza <miguel@nuclecu.unam.mx>
Subject: Re: [Q: Linux/SGI] IRIX executable memory map.
From: "William J. Earl" <wje@fir.engr.sgi.com>
Date: Fri, 5 Sep 1997 15:58:07 -0700
Cc: linux@fir.engr.sgi.com
In-reply-to: <199709051842.NAA07307@athena.nuclecu.unam.mx>
References: <199709050245.VAA03103@athena.nuclecu.unam.mx> <199709051842.NAA07307@athena.nuclecu.unam.mx>
Sender: owner-linux@cthulhu.engr.sgi.com
Miguel de Icaza writes:
 > 
 > IRIX unsolved misteries -- second update.
 > 
 > I said:
 > 
 > >     Ok, it seems our irix_elfmap routine is just fine, I just found
 > > out with a simple test case that the code is trying to access memory
 > > from the location at 0x200000 which is making my IRIX executables
 > > crash (this one is crashing inside usinit ()).
 > 
 > I was debatting this with my bed sheets this morning and I believe
 > that this page may be a special trick for IRIX sproc()ed binaries.
 > Probably I should also turn off the cache on this page.

     No, I think this page should be private to a given thread (sproc
or process), and it can be cached.  

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