Jiri Olsa 535911c80a
bpf: Add struct bpf_ksym ...
Adding 'struct bpf_ksym' object that will carry the
kallsym information for bpf symbol. Adding the start
and end address to begin with. It will be used by
bpf_prog, bpf_trampoline, bpf_dispatcher objects.
The symbol_start/symbol_end values were originally used
to sort bpf_prog objects. For the address displayed in
/proc/kallsyms we are using prog->bpf_func value.
I'm using the bpf_func value for program symbol start
instead of the symbol_start, because it makes no difference
for sorting bpf_prog objects and we can use it directly as
an address to display it in /proc/kallsyms.
Signed-off-by: Jiri Olsa <jolsa@kernel.org >
Signed-off-by: Alexei Starovoitov <ast@kernel.org >
Acked-by: Song Liu <songliubraving@fb.com >
Link: https://lore.kernel.org/bpf/20200312195610.346362-4-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org >
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