8000 Expose the size of the table in the ObjectSymbolTable trait · Issue #480 · gimli-rs/object · GitHub
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Expose the size of the table in the ObjectSymbolTable trait #480

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sfackler opened this issue Nov 3, 2022 · 3 comments
Open

Expose the size of the table in the ObjectSymbolTable trait #480

sfackler opened this issue Nov 3, 2022 · 3 comments

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@sfackler
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sfackler commented Nov 3, 2022

It looks like all of the symbol table implementations expose a length method. It would be great to propagate that up to the read::SymbolTable.
@philipc
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philipc commented Nov 3, 2022

Note that for some formats this length includes auxiliary symbols, so it would be a hint rather than an exact length.

@sfackler
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sfackler commented Nov 3, 2022

Oh interesting. What I'm really after is the ability to directly binary search on the table for the symbol corresponding to an address rather than having to load all of the symbols into a different data structure. I believe this is doable on ELF objects at least. Is that not possible in other formats?

@philipc
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philipc commented Nov 3, 2022

COFF and XCOFF both have auxiliary symbols, and you can't determine which symbols are auxiliary without parsing in order.

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