BPF Function Attributes (Using the GNU Compiler Collection (GCC)) (original) (raw)

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6.33.8 BPF Function Attributes ¶

These function attributes are supported by the BPF back end:

kernel_helper ¶

use this attribute to indicate the specified function declaration is a kernel helper. The helper function is passed as an argument to the attribute. Example:

int bpf_probe_read (void *dst, int size, const void *unsafe_ptr) attribute ((kernel_helper (4)));