iovisor / ubpf / 10622551782

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Add atomics to interpreter and x64 jit (#486)

* Add atomics to interpreter

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

* Implement atomic operations in the JIT.

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

* Add bounds checking for atomics

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

* Mark interlocked ops on arm64 JIT as exected failure

Signed-off-by: Alan Jowett <alanjo@microsoft.com>

* Mark interlocked operations as failing on macos

Signed-off-by: Alan Jowett <alanjo@microsoft.com>

* PR feedback

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

* Update vm/ubpf_jit_x86_64.h

Co-authored-by: Will Hawkins <whh8b@obs.cr>
Signed-off-by: Alan Jowett <alanjo@microsoft.com>

* PR feedback

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

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Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>
Signed-off-by: Alan Jowett <alanjo@microsoft.com>
Co-authored-by: Alan Jowett <alan.jowett@microsoft.com>
Co-authored-by: Will Hawkins <whh8b@obs.cr>

245 of 261 new or added lines in 3 files covered. (93.87%)

6556 of 8113 relevant lines covered (80.81%)

349555.16 hits per line