diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 4ea3368bf803..e2bc75ee1614 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -170,6 +170,10 @@ struct bpf_program { __u32 func_info_cnt; struct bpf_capabilities *caps; + + void *line_info; + __u32 line_info_rec_size; + __u32 line_info_cnt; }; struct bpf_map { @@ -1342,6 +1346,19 @@ bpf_program_reloc_btf_ext(struct bpf_program *prog, struct bpf_object *obj, prog->func_info_rec_size = btf_ext__func_info_rec_size(obj->btf_ext); } + if (!insn_offset || prog->line_info) { + err = btf_ext__reloc_line_info(obj->btf, obj->btf_ext, + section_name, insn_offset, + &prog->line_info, + &prog->line_info_cnt); + if (err) + return check_btf_ext_reloc_err(prog, err, + prog->line_info, + "bpf_line_info"); + + prog->line_info_rec_size = btf_ext__line_info_rec_size(obj->btf_ext); + } + if (!insn_offset) prog->btf_fd = btf__fd(obj->btf); @@ -1526,6 +1543,9 @@ load_program(struct bpf_program *prog, struct bpf_insn *insns, int insns_cnt, load_attr.func_info = prog->func_info; load_attr.func_info_rec_size = prog->func_info_rec_size; load_attr.func_info_cnt = prog->func_info_cnt; + load_attr.line_info = prog->line_info; + load_attr.line_info_rec_size = prog->line_info_rec_size; + load_attr.line_info_cnt = prog->line_info_cnt; if (!load_attr.insns || !load_attr.insns_cnt) return -EINVAL; |