Add missing program type feature probes #890
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lmb
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With this commit it is possible to set `btf.funcInfoMeta` on asm.Instructions from outside the `btf` package. Signed-off-by: Robin Gögge <[email protected]>
Hardcode bpf_init as the fentry probe target. It's been part of the kernel since 4.4 (torvalds/linux@b2197755b263), has been completely untouched, and has a simple signature. For probing a BPF program type, it makes sense to target a symbol from the BPF subsystem. Signed-off-by: Robin Gögge <[email protected]> Signed-off-by: Timo Beckers <[email protected]>
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With this PR we support feature probes for all program types the library currently supports.