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| author | Jiri Olsa <jolsa@kernel.org> | 2022-03-16 13:24:14 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2022-03-18 04:17:19 +0100 |
| commit | 5117c26e877352bcabd4871e6bcdebed4857a88d (patch) | |
| tree | 17c249a97dd0335e5a0c9147fecffac65fb29007 /tools/lib/bpf/bpf.c | |
| parent | libbpf: Add libbpf_kallsyms_parse function (diff) | |
| download | linux-5117c26e877352bcabd4871e6bcdebed4857a88d.tar.xz linux-5117c26e877352bcabd4871e6bcdebed4857a88d.zip | |
libbpf: Add bpf_link_create support for multi kprobes
Adding new kprobe_multi struct to bpf_link_create_opts object
to pass multiple kprobe data to link_create attr uapi.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220316122419.933957-9-jolsa@kernel.org
Diffstat (limited to 'tools/lib/bpf/bpf.c')
| -rw-r--r-- | tools/lib/bpf/bpf.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index f69ce3a01385..cf27251adb92 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -854,6 +854,15 @@ int bpf_link_create(int prog_fd, int target_fd, if (!OPTS_ZEROED(opts, perf_event)) return libbpf_err(-EINVAL); break; + case BPF_TRACE_KPROBE_MULTI: + attr.link_create.kprobe_multi.flags = OPTS_GET(opts, kprobe_multi.flags, 0); + attr.link_create.kprobe_multi.cnt = OPTS_GET(opts, kprobe_multi.cnt, 0); + attr.link_create.kprobe_multi.syms = ptr_to_u64(OPTS_GET(opts, kprobe_multi.syms, 0)); + attr.link_create.kprobe_multi.addrs = ptr_to_u64(OPTS_GET(opts, kprobe_multi.addrs, 0)); + attr.link_create.kprobe_multi.cookies = ptr_to_u64(OPTS_GET(opts, kprobe_multi.cookies, 0)); + if (!OPTS_ZEROED(opts, kprobe_multi)) + return libbpf_err(-EINVAL); + break; default: if (!OPTS_ZEROED(opts, flags)) return libbpf_err(-EINVAL); |