ptrace related fixes

[tyroguru]

Summary

WIP draft.

Test plan

Check that OI is working correctly, you can add some unit or integration test,
paste the output of some manual test, and / or paste the output of running
the test locally with make test-static

[codecov-commenter]

Codecov Report

Merging #270 (02ec288) into main (b834c92) will decrease coverage by 0.43%.
Report is 17 commits behind head on main.
The diff coverage is 14.65%.

@@            Coverage Diff             @@
##             main     #270      +/-   ##
==========================================
- Coverage   66.99%   66.57%   -0.43%     
==========================================
  Files          99       99              
  Lines       10321    10393      +72     
  Branches     1709     1724      +15     
==========================================
+ Hits         6915     6919       +4     
- Misses       2523     2587      +64     
- Partials      883      887       +4     

Files Changed	Coverage Δ
oi/OIDebugger.h	45.28% <ø> (ø)
oi/OIDebugger.cpp	37.51% <14.65%> (-1.66%)	⬇️

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