Add C++ demangling to privileged runtime

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Cosmo will now print C++ symbols correctly in --ftrace logs and
backtraces. Doing this required reducing the memory requirement
of the __demangle() function by 3x. This was accomplished using
16-bit indices and 16-bit malloc granularity. That puts a limit
on the longest symbol we can successfully decode, which I think
would be around 6553 characters long, given a 65536-byte buffer

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Justine Tunney 2024-06-01 19:57:32 -07:00

parent dcd626edf8

commit 165c6b37e2

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13 changed files with 727 additions and 284 deletions

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