Anatoly Trosinenko 03557169e0 [BOLT] Gadget scanner: streamline issue reporting (#131896) ...

In preparation for adding more gadget kinds to detect, streamline
issue reporting.

Rename classes representing issue reports. In particular, rename
`Annotation` base class to `Report`, as it has nothing to do with
"annotations" in `MCPlus` terms anymore. Remove references to "return
instructions" from variable names and report messages, use generic
terms instead. Rename NonPacProtectedRetAnalysis to PAuthGadgetScanner.

Remove `GeneralDiagnostic` as a separate class, make `GenericReport`
(former `GenDiag`) store `std::string Text` directly. Remove unused
`operator=` and `operator==` methods, as `Report`s are created on the
heap and referenced via `shared_ptr`s.

Introduce `GadgetKind` class - currently, it only wraps a `const char *`
description to display to the user. This description is intended to be
a per-gadget-kind constant (or a few hard-coded constants), so no need
to store it to `std::string` field in each report instance. To handle
both free-form `GenericReport`s and statically-allocated messages
without unnecessary overhead, move printing of the report header to the
base class (and take the message argument as a `StringRef`).

2025-03-21 11:19:53 +03:00

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