On 8/24/22 04:07, Kevin Kofler via devel wrote:
Orion Poplawski wrote:Does this break ABI?Yes. They changed functions to take 64-bit integers instead of 32-bit ones. When called by code compiled against a previous version, the upper half will be garbage. On some architectures (depending on how exactly arguments are passed, but they will usually be big-endian ones), even the whole thing. (There, the lower half will be complete garbage, and the upper half will be what should be the lower half. Or in the worst case, some architectures might even decide to switch from register to stack passing, making the whole number or even also the other arguments complete garbage.) Kevin Kofler
Thank you - I thought as much but nice to have some confirmation. I've reported it upstream.
-- Orion Poplawski he/him/his - surely the least important thing about me IT Systems Manager 720-772-5637 NWRA, Boulder/CoRA Office FAX: 303-415-9702 3380 Mitchell Lane orion@xxxxxxxx Boulder, CO 80301 https://www.nwra.com/
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