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authorMartin KaFai Lau <kafai@fb.com>2018-12-07 16:42:31 -0800
committerAlexei Starovoitov <ast@kernel.org>2018-12-09 13:54:38 -0800
commit3d65014146c69bbc4d2947f60dbd722d352cdc46 (patch)
treeea591de92250d7ff871083d63bd5823c68b9bee9 /tools/lib/bpf/libbpf.map
parentbpf: libbpf: Refactor and bug fix on the bpf_func_info loading logic (diff)
downloadlinux-dev-3d65014146c69bbc4d2947f60dbd722d352cdc46.tar.xz
linux-dev-3d65014146c69bbc4d2947f60dbd722d352cdc46.zip
bpf: libbpf: Add btf_line_info support to libbpf
This patch adds bpf_line_info support to libbpf: 1) Parsing the line_info sec from ".BTF.ext" 2) Relocating the line_info. If the main prog *_info relocation fails, it will ignore the remaining subprog line_info and continue. If the subprog *_info relocation fails, it will bail out. 3) BPF_PROG_LOAD a prog with line_info Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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