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authorKP Singh <kpsingh@google.com>2020-03-04 22:18:51 +0300
committerAlexei Starovoitov <ast@kernel.org>2020-03-05 00:41:05 +0300
commitaca228cd3387447d99d3ebaee3ebcc2b015a3e46 (patch)
tree503f9b1ed65eb5b0d797c0e7858e6d718730492a /tools/lib
parent6ba43b761c41349140662e223401bec0e48950e7 (diff)
downloadlinux-aca228cd3387447d99d3ebaee3ebcc2b015a3e46.tar.xz
tools/libbpf: Add support for BPF_MODIFY_RETURN
Signed-off-by: KP Singh <kpsingh@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200304191853.1529-6-kpsingh@chromium.org
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/bpf/libbpf.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index f8c4042e5855..223be01dc466 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -6288,6 +6288,10 @@ static const struct bpf_sec_def section_defs[] = {
.expected_attach_type = BPF_TRACE_FENTRY,
.is_attach_btf = true,
.attach_fn = attach_trace),
+ SEC_DEF("fmod_ret/", TRACING,
+ .expected_attach_type = BPF_MODIFY_RETURN,
+ .is_attach_btf = true,
+ .attach_fn = attach_trace),
SEC_DEF("fexit/", TRACING,
.expected_attach_type = BPF_TRACE_FEXIT,
.is_attach_btf = true,