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| author |   Alexei Starovoitov <ast@kernel.org> | 2023-03-21 13:38:53 -0700 |
|---|---|---|
| committer |   Andrii Nakryiko <andrii@kernel.org> | 2023-03-22 09:31:05 -0700 |
| commit | 708cdc5706a4701be9e5f81cb2e2b60b57f34c42 (patch) | |
| tree | d3f86c39ddf52a908a6e4c5f72a1eded79b2e910 /tools/lib/bpf/bpf_gen_internal.h | |
| parent | bpf: Teach the verifier to recognize rdonly_mem as not null. (diff) | |
| download | wireguard-linux-708cdc5706a4701be9e5f81cb2e2b60b57f34c42.tar.xz wireguard-linux-708cdc5706a4701be9e5f81cb2e2b60b57f34c42.zip | |
libbpf: Support kfunc detection in light skeleton.
Teach gen_loader to find {btf_id, btf_obj_fd} of kernel variables and kfuncs
and populate corresponding ld_imm64 and bpf_call insns.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230321203854.3035-4-alexei.starovoitov@gmail.com
Diffstat (limited to 'tools/lib/bpf/bpf_gen_internal.h')
| -rw-r--r-- | tools/lib/bpf/bpf_gen_internal.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/lib/bpf/bpf_gen_internal.h b/tools/lib/bpf/bpf_gen_internal.h index 223308931d55..fdf44403ff36 100644 --- a/tools/lib/bpf/bpf_gen_internal.h +++ b/tools/lib/bpf/bpf_gen_internal.h @@ -11,6 +11,7 @@ struct ksym_relo_desc { int insn_idx; bool is_weak; bool is_typeless; + bool is_ld64; }; struct ksym_desc { @@ -24,6 +25,7 @@ struct ksym_desc { bool typeless; }; int insn; + bool is_ld64; }; struct bpf_gen { @@ -65,7 +67,7 @@ void bpf_gen__map_update_elem(struct bpf_gen *gen, int map_idx, void *value, __u void bpf_gen__map_freeze(struct bpf_gen *gen, int map_idx); void bpf_gen__record_attach_target(struct bpf_gen *gen, const char *name, enum bpf_attach_type type); void bpf_gen__record_extern(struct bpf_gen *gen, const char *name, bool is_weak, - bool is_typeless, int kind, int insn_idx); + bool is_typeless, bool is_ld64, int kind, int insn_idx); void bpf_gen__record_relo_core(struct bpf_gen *gen, const struct bpf_core_relo *core_relo); void bpf_gen__populate_outer_map(struct bpf_gen *gen, int outer_map_idx, int key, int inner_map_idx); |