On 1/21/20 11:18 AM, Greg Clayton via Dwarf-Discuss wrote:
[...]
Presumably, a debugger could check that location lists do not
overlap.
This could nevertheless be a valid heuristic to detect the case.
the "llvm-dwarfdump" binary in llvm.org <http://llvm.org> has a
"--verify" option that looks for issues in DWARF and reports errors.
Not sure if there are any other tools out there that do this, but this
would be a great check to add to any DWARF verifier.
While dwarfdump has 'check the DWARF' options available the
location list overlap test is not done at all. The -kl option suggests
it does loclist checking, but
its checking is rather superficial.
Interesting thing to check, I'll see if I can
do something.
David Anderson
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