diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/bpf_load.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index 74456b3eb89a..a91c57dd8571 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -516,16 +516,18 @@ static int do_load_bpf_file(const char *path, fixup_map_cb fixup_map) processed_sec[maps_shndx] = true; } - /* load programs that need map fixup (relocations) */ + /* process all relo sections, and rewrite bpf insns for maps */ for (i = 1; i < ehdr.e_shnum; i++) { if (processed_sec[i]) continue; if (get_sec(elf, i, &ehdr, &shname, &shdr, &data)) continue; + if (shdr.sh_type == SHT_REL) { struct bpf_insn *insns; + /* locate prog sec that need map fixup (relocations) */ if (get_sec(elf, shdr.sh_info, &ehdr, &shname_prog, &shdr_prog, &data_prog)) continue; @@ -535,26 +537,15 @@ static int do_load_bpf_file(const char *path, fixup_map_cb fixup_map) continue; insns = (struct bpf_insn *) data_prog->d_buf; - - processed_sec[shdr.sh_info] = true; - processed_sec[i] = true; + processed_sec[i] = true; /* relo section */ if (parse_relo_and_apply(data, symbols, &shdr, insns, map_data, nr_maps)) continue; - - if (memcmp(shname_prog, "kprobe/", 7) == 0 || - memcmp(shname_prog, "kretprobe/", 10) == 0 || - memcmp(shname_prog, "tracepoint/", 11) == 0 || - memcmp(shname_prog, "xdp", 3) == 0 || - memcmp(shname_prog, "perf_event", 10) == 0 || - memcmp(shname_prog, "socket", 6) == 0 || - memcmp(shname_prog, "cgroup/", 7) == 0) - load_and_attach(shname_prog, insns, data_prog->d_size); } } - /* load programs that don't use maps */ + /* load programs */ for (i = 1; i < ehdr.e_shnum; i++) { if (processed_sec[i]) |