tree 68ef4ab5a33e07fa797af9188db2880ea65b7810
parent 9ce6ae22c8e878aee7a96836b2ed9fd9a8173e41
author Yonghong Song <yhs@fb.com> 1542670158 -0800
committer Alexei Starovoitov <ast@kernel.org> 1542740079 -0800

tools/bpf: refactor to implement btf_get_from_id() in lib/bpf

The function get_btf() is implemented in tools/bpf/bpftool/map.c
to get a btf structure given a map_info. This patch
refactored this function to be function btf_get_from_id()
in tools/lib/bpf so that it can be used later.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>