The following reply was made to PR amd64/163710; it has been noted by GNATS.
From: Peter Wemm <[email protected]> To: Russell Cattelan <[email protected]> Cc: [email protected] Subject: Re: amd64/163710: setjump in userboot.so causes stack corruption Date: Fri, 30 Dec 2011 19:16:10 -0800 On Fri, Dec 30, 2011 at 12:24 PM, Russell Cattelan <[email protected]> w= rote: > On 12/30/11 1:33 AM, Peter Wemm wrote: >> On Thu, Dec 29, 2011 at 7:16 PM, Russell Cattelan >> <[email protected]> wrote: >> >>>> Description: >>> For some reason the forth interpreter is built and linked as 32bit even >>> on amd64. >> That's the catch. We use the same 32 bit loader on i386 and amd64. >> The common loader understands both kernel formats. =A0This unfortunately >> has meant that the libstand and sys/boot environment has had to be 32 >> bit. >> > Yes this is bit of an odd situation. > the loader is linked 32bit but userboot.so / libstand is built 64bit > but pulls in the 32bit ficl lib. > The 64bit libstand provides the setjmp call that needs 96 bytes > of space but since ficl is built with the 32bit jump_buf (48 byte ) > structure > things go sideways. We link the loader with the 32 bit libstand though. It cannot work any other way. BTX is 32 bit only. --=20 Peter Wemm - [email protected]; [email protected]; [email protected]; KI6FJV "All of this is for nothing if we don't go to the stars" - JMS/B5 "If Java had true garbage collection, most programs would delete themselves upon execution." -- Robert Sewell _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-amd64 To unsubscribe, send any mail to "[email protected]"
