aya: Support multiple maps in map sections #181
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dave-tucker
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I'll review this soon but first - have you tried it with stripped binaries? |
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I haven't, but I can do |
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Apr 27, 2022
This forces all maps to the maps section so we remain compatible with libbpf. This requires aya-rs#181 to avoid breaking userspace. Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
alessandrod
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Apr 28, 2022
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@alessandrod ready for another look. This time around I decided to read into the section data from the address/size in the symbols table, so we can support definitions that are different lengths. The only drawback is that we don't verify all of the section data has been consumed... |
alessandrod
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Apr 29, 2022
This commit uses the symbol table to discover all maps inside an ELF section. Instead of doing what libbpf does - divide the section data in to equal sized chunks - we read in to section data using the symbol address and offset, thus allowing us to support definitions of varying lengths. Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
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@alessandrod nits addressed... and while I was editing the test I threw in some padding between the last |
alessandrod
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Apr 30, 2022
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This forces all maps to the maps section so we remain compatible with libbpf. This requires aya-rs#181 to avoid breaking userspace. Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
fasterthanlime
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This forces all maps to the maps section so we remain compatible with libbpf. This requires aya-rs#181 to avoid breaking userspace. Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
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This commit uses the symbol table to discover all maps inside an ELF
section. We then divide the data in to equal sized chunks and parse them
using parse_map_def
Signed-off-by: Dave Tucker dave@dtucker.co.uk