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authorKumar Kartikeya Dwivedi <memxor@gmail.com>2021-10-28 12:04:54 +0530
committerAlexei Starovoitov <ast@kernel.org>2021-10-28 16:30:06 -0700
commitd6aef08a872b9e23eecc92d0e92393473b13c497 (patch)
treee0a592a65fa04ea132da6c21be6517498544f650 /include/linux/bpf.h
parent2895f48f98db3dedfa499bae95c41b0be7fe92ce (diff)
bpf: Add bpf_kallsyms_lookup_name helper
This helper allows us to get the address of a kernel symbol from inside a BPF_PROG_TYPE_SYSCALL prog (used by gen_loader), so that we can relocate typeless ksym vars. Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20211028063501.2239335-2-memxor@gmail.com
Diffstat (limited to 'include/linux/bpf.h')
-rw-r--r--include/linux/bpf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 50105e0b8fcc..6deebf8bf78f 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -2110,6 +2110,7 @@ extern const struct bpf_func_proto bpf_for_each_map_elem_proto;
extern const struct bpf_func_proto bpf_btf_find_by_name_kind_proto;
extern const struct bpf_func_proto bpf_sk_setsockopt_proto;
extern const struct bpf_func_proto bpf_sk_getsockopt_proto;
+extern const struct bpf_func_proto bpf_kallsyms_lookup_name_proto;
const struct bpf_func_proto *tracing_prog_func_proto(
enum bpf_func_id func_id, const struct bpf_prog *prog);