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Add missing program type feature probes #890

Merged
merged 2 commits into from
Dec 23, 2022
Merged

Add missing program type feature probes #890

merged 2 commits into from
Dec 23, 2022

Commits on Dec 23, 2022

  1. btf: add setter for Func Metadata 

    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]>
    @rgo3 @ti-mo
    rgo3 authored and ti-mo committed Dec 23, 2022
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  2. features: add Tracing and Extension program probes 

    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]>
    @rgo3 @ti-mo
    rgo3 authored and ti-mo committed Dec 23, 2022
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