• Martin KaFai Lau's avatar
    bpf: Add unit tests for bpf_line_info · 4d6304c7
    Martin KaFai Lau authored
    Add unit tests for bpf_line_info for both BPF_PROG_LOAD and
    BPF_OBJ_GET_INFO_BY_FD.
    
    jit enabled:
    [root@arch-fb-vm1 bpf]# ./test_btf -k 0
    BTF prog info raw test[5] (line_info (No subprog)): OK
    BTF prog info raw test[6] (line_info (No subprog. insn_off >= prog->len)): OK
    BTF prog info raw test[7] (line_info (No subprog. zero tailing line_info): OK
    BTF prog info raw test[8] (line_info (No subprog. nonzero tailing line_info)): OK
    BTF prog info raw test[9] (line_info (subprog)): OK
    BTF prog info raw test[10] (line_info (subprog + func_info)): OK
    BTF prog info raw test[11] (line_info (subprog. missing 1st func line info)): OK
    BTF prog info raw test[12] (line_info (subprog. missing 2nd func line info)): OK
    BTF prog info raw test[13] (line_info (subprog. unordered insn offset)): OK
    
    jit disabled:
    BTF prog info raw test[5] (line_info (No subprog)): not jited. skipping jited_line_info check. OK
    BTF prog info raw test[6] (line_info (No subprog. insn_off >= prog->len)): OK
    BTF prog info raw test[7] (line_info (No subprog. zero tailing line_info): not jited. skipping jited_line_info check. OK
    BTF prog info raw test[8] (line_info (No subprog. nonzero tailing line_info)): OK
    BTF prog info raw test[9] (line_info (subprog)): not jited. skipping jited_line_info check. OK
    BTF prog info raw test[10] (line_info (subprog + func_info)): not jited. skipping jited_line_info check. OK
    BTF prog info raw test[11] (line_info (subprog. missing 1st func line info)): OK
    BTF prog info raw test[12] (line_info (subprog. missing 2nd func line info)): OK
    BTF prog info raw test[13] (line_info (subprog. unordered insn offset)): OK
    Signed-off-by: default avatarMartin KaFai Lau <kafai@fb.com>
    Acked-by: default avatarYonghong Song <yhs@fb.com>
    Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
    4d6304c7
test_btf.c 102 KB