uClibc 32bit

[S1eGa]

Related to the #106

Added come hacks to run KLEE on 32-bit sources with uClibc:

• Creates memory object for errno with address from local address space
• Builds 2 version of klee-uClibc for 32 and 64 bits

[S1eGa]

Draft until running on testcomp benchmarks.

[codecov-commenter]

Codecov Report

Merging #115 (f65a63e) into main (9406351) will decrease coverage by 6.43%.
Report is 1 commits behind head on main.
The diff coverage is 37.50%.

❗ Current head f65a63e differs from pull request most recent head d359135. Consider uploading reports for the commit d359135 to get more accurate results

@@            Coverage Diff             @@
##             main     #115      +/-   ##
==========================================
- Coverage   65.37%   58.94%   -6.43%     
==========================================
  Files         211      206       -5     
  Lines       28676    26775    -1901     
  Branches     6374     6036     -338     
==========================================
- Hits        18746    15782    -2964     
- Misses       7442     8689    +1247     
+ Partials     2488     2304     -184     

Files Changed	Coverage Δ
include/klee/ADT/ImmutableTree.h	82.27% <ø> (ø)
lib/Core/Executor.h	76.92% <ø> (ø)
tools/klee/main.cpp	58.76% <20.00%> (-0.37%)	⬇️
lib/Core/Executor.cpp	65.85% <40.00%> (-7.49%)	⬇️
lib/Core/SpecialFunctionHandler.cpp	58.67% <100.00%> (-14.85%)	⬇️

... and 64 files with indirect coverage changes