Re: MPS GC and its implications

["Gerd Möllmann" <gerd.moellmann@gmail.com>]

On 2024-05-04 18:08, Helmut Eller wrote:
> On Sat, May 04 2024, Eli Zaretskii wrote:
> 
> That's also a possibility.  There is a function mps_arena_has_addr that
> could be used to recongize addresses managed by MPS.  The comment in
> igc.c say that mps_arena_has_addr is expensive and that is_mps is faster
> but could return false positives.

For use in GDB the function is probably plenty fast, BTW.

It went something like this: there was no is_mps, then MPS_FIX12 
returned true and MPS_FIX2 did not like the address at all and asserted.

Then used mps_has_addr and that worked but made the build 10x slower or 
something.

Then what we have.