[Sbcl-devel] Re: sbcl on Mac OS X

[Alan R. <al...@mu...>]

Thanks for your help. It appears these settings work for me. Still 
curious why DYLD_LIBRARY_PATH is relevant.
-Alan

(def!constant read-only-space-start #x01000000)
(def!constant read-only-space-end   #x04ff8000)

(def!constant static-space-start    #x08000000)
(def!constant static-space-end      #x097fff00)

(def!constant dynamic-space-start   #x10000000)
(def!constant dynamic-space-end     #x3FFFF000)

(def!constant dynamic-0-space-start #x10000000)
(def!constant dynamic-0-space-end   #x3Ffff000)
(def!constant dynamic-1-space-start #x40000000)
(def!constant dynamic-1-space-end   #x6ffff000)

#!+darwin
(progn
   (def!constant linkage-table-space-start #x70000000)
   (def!constant linkage-table-space-end   #x71000000)
   (def!constant linkage-table-entry-size 16))

-Alan

On Apr 6, 2005, at 7:48 PM, Brian Mastenbrook wrote:

> I've seen these malloc problems before; what's your DYLD_LIBRARY_PATH? 
> (or any DYLD environment variable?)
>
> As far as address space: I've built SBCL before with up to a 1GB heap, 
> though it's important to note that a 1GB heap SBCL will use up to 2GB 
> in the middle of GC. This isn't a problem for me (precious G5) but is 
> a consequence of our stop-and-copy gc.
>
> If you want to change this, try looking at 
> src/compiler/ppc/parms.lisp, at the addresses that are established for 
> the dynamic spaces. You should be able to find spaces that allow up to 
> a 1GB heap; try mallocing that amount of memory from a test program 
> and seeing where it puts it.
>
> I'm reluctant to modify SBCL to always use this much heap as it will 
> cut down on the ability to load foreign libraries, map files, etc. 
> However I might increase it some if my fights with mach-o lead me to a 
> general solution to reserving virtual memory addresses on OS X.
>
> In the future emailing sbcl-devel might be a good way to get a 
> response; this email address is likely going away anyway at some time 
> in the future, though I've been somewhat lazy about migrating 
> everything over.
>
> If you're around on IRC feel free to say hi in #lisp. If not, what are 
> you waiting for?
>
> On Apr 6, 2005, at 9:42 AM, Alan Ruttenberg wrote:
>
>> Hi,
>>
>> Saw some posts irc traffic indicating you were struggling with 
>> building sbcl for os x. I'm trying to do the same thing and wondering 
>> if you had any luck.
>> I'm getting "*** malloc[2292]: Deallocation of a pointer not 
>> malloced: 0x7800400; This could be a double free(), or free() called 
>> with the middle of an allocated block; Try setting environment 
>> variable MallocHelp to see tools to help debug" when running 
>> make-target-2.sh.
>>
>> What I'm aiming for is building an sbcl with a larger address space - 
>> looks like 128M is the default. I usually use openmcl, for which this 
>> is not a problem, but want to run some more time consuming processes 
>> in a faster lisp...
>>
>> Any help appreciated.
>>
>> Thanks,
>>
>> Alan
>>
>>
> --
> Brian Mastenbrook
> br...@ma...
> http://www.iscblog.info/
>