It looks like the FPC RTL function CaptureBacktrace uses a system call if
FPC_SYSTEM_HAS_CAPTUREBACKTRACE is true and a custom routine if it is false. The define
FPC_SYSTEM_HAS_CAPTUREBACKTRACE seems to be true for Windows with Structured Exception Handling
(FPC_USE_WIN64_SEH) where RtlCaptureStackBackTrace is called instead of the FPC built-in routine.
My question now is if there is a reason why FPC doesn't call backtrace (see man backtrace) on Linux
and Unix (including MacOS) platforms ?
Another question is whether and how NSException.callStackReturnAddresses and
NSException.callStackSymbols can be used here (on MacOS) ?
Regards,
Adriaan van Os
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