ld: rebinding refs to A to symbol B

[Richard Earnshaw (lists)]

On 01/02/2025 01:05, Alan Modra wrote:
> On Fri, Jan 31, 2025 at 06:31:51PM +0000, Richard Earnshaw (lists) wrote:
>> I suspect the problem is that PROVIDE is documented as only generating the definition iff __sync_synchronize is *not* defined, but in my case that isn't true and I need to override the existing definition in libgcc with the alternative.
> 
> Yes, that would prevent PROVIDE from doing anything.
> 

Right, which brings me back to my original question: is there a way of overriding an unresolved reference, iff it exists without creating a reference as as --defsym does?