Try loading NativeBoost-Mac-IgorStasenko.7 (and do NBMacConstants initialize, and then restart the image) see if it will fix the issue.
On 18 November 2012 12:35, Igor Stasenko <[email protected]> wrote: > On 16 November 2012 10:11, Max Leske <[email protected]> wrote: >> A followup on the munmap issue: >> >> I think it has something to do with how NativeBoost does the lookup. I >> looked at the way that "mmap" is called and noticed that the selector >> #getGlobalSymbolPointer: is being used. Resolving "munmap" with this >> selector succeeds while doing >> >> NativeBoost loadSymbol: 'munmap' aName fromModule: -2 >> >> (which is what happens when the heap manager tries to call "munmap") results >> the stack trace shown below. >> >> I'll keep digging... >> > > -2 corresponds to RTLD_DEFAULT on macs.. > which i find a bit strange, because on linuxes it is 0. nevertheless, > i discovered it when making mac-os port for NB. > > I doubt, but who knows, maybe it is redefined to 0 in 10.8.x > i am using 10.7 version so i cannot tell. > > btw, can you tell us, what exactly error is signaled? inspect the > exception object, or just evaluate > 'self description' for exception.. > > > Okay, it looks like i know what happens.. if you do > > NativeBoost loadSymbol: 'munmap' fromModule: 0 > or > NativeBoost loadSymbol: 'munmap' fromModule: 16rFFFFFFFE > it prints > @ 16r9ACD2A26 > but if you do > > NativeBoost loadSymbol: 'munmap' fromModule: -2 > > it fails the call.. and i know why, because function signature in > #bootstrapLoadSymbol:ofLength:fromModule:into: > expects 'ulong moduleHandle' which is unsigned 32 bit int, > while we passing something not really unsigned.. > because it makes a call to #positive32BitValueOf: interpreter function > which fails the primitive. > > so, a fix would be to change -2 to 16rFFFFFFFE. > > It appears that after putting order in type conversions, i made it > more strict, and now > passing negative values, where only positive expected is punished violently > :) > > It is in NBMacConstants method. > > -- > Best regards, > Igor Stasenko. -- Best regards, Igor Stasenko.
