-------- Original Message --------
Subject: Re: [Vm-dev] nuSqueak source
From: K K Subbu <
kksubbu.ml@gmail.com>
Date: Fri, October 30, 2020 5:39 am
To:
vm-dev@lists.squeakfoundation.org On 29/10/20 9:01 pm, Eliot Miranda wrote:
> The OS can impose radically different constraints on the JIT. In
> Mankato it is impossible to derive an executable region from mmap that
> is at the same time writable. On MacOS it is possible, but the VM needs
> a capability conveyed through its Info.plist and baked in when the app
> bundle is signed.
doesn't PROT_EXEC imply PROT_READ? a region with write|exec would
essentially be equivalent to an unprotected one.
> Other linuxes for Pi4 May impose different constraints. As I only have
> these two variants I need your help in dealing with differing
> constraints on these other platforms.
I don't have a RP 4 board to test the Ubuntu aarch64 (COVID-19 lockdown
constraints). Sorry :-(.
Regards .. Subbu