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It was pointed out[1] that after this commit:
commit 3812b38d8de5804ad3eadd6c7a5d532402ddabab
Date: Thu Oct 20 11:14:33 2022 +0100
gdbserver: allow agent expressions to fail with invalid memory access
Now that agent expressions might fail with the error
expr_eval_invalid_memory_access, we might overflow the
eval_result_names array in tracepoint.cc. This is because the
eval_result_names array does not include a string for either
expr_eval_invalid_goto or expr_eval_invalid_memory_access.
I don't know if having expr_eval_invalid_goto missing is also a
problem, but it feels like eval_result_names should just include a
string for every possible error.
I could just add two more strings into the array, but I figure that a
more robust solution will be to move all of the error types, and their
associated strings, into a new ax-result-types.def file, and to then
include this file in both ax.h and tracepoint.cc in order to build
the enum eval_result_type and the eval_result_names string array.
Doing this means it is impossible to have a missing error string in
the future.
[1] https://inbox.sourceware.org/gdb-patches/01059f8a-0e59-55b5-f530-190c26df5ba3@palves.net/
Approved-By: Pedro Alves <pedro@palves.net>
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