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Getting function's address from BPF_TRACE_FENTRY BPF program

I see, so this means the fentry program needs to load and verify the program for every functions to attach right? In my (maybe very specific) case, the tool may attaches programs to more than 1000 fun

By Yutaro Hayakawa · #1819 ·

Getting function's address from BPF_TRACE_FENTRY BPF program

Hello, Is there any way to get the address of the function in fentry type programs like kprobe type programs does by PT_REGS_IP(pt_regs)? I'd like to migrate my kprobe based tool[1] to fentry based on

By Yutaro Hayakawa · #1817 ·

[PATCH RFC] bpf: Symbol sizes and types in object file

Hello Paul, Yonghong Thank you very much for your help and understand. Regards, Yutaro

By Yutaro Hayakawa · #1487 ·

[PATCH RFC] bpf: Symbol sizes and types in object file

Hello, Paul, thank you for your help. I’m Yutaro a reporter of this issue. Describing the background, I’m trying to port eBPF to FreeBSD (https://github.com/YutaroHayakawa/generic-ebpf) What I want to

By Yutaro Hayakawa · #1481 ·