diff options
| author | Jiri Olsa <[email protected]> | 2023-08-09 08:34:25 +0000 |
|---|---|---|
| committer | Alexei Starovoitov <[email protected]> | 2023-08-21 22:51:26 +0000 |
| commit | 5054a303f8960a45ea823021656d5ac19fb8fc89 (patch) | |
| tree | 3ff3be2ada8b1f5f57c88831c2cfbff8c5eb1c1a /tools/lib/bpf/bpf.c | |
| parent | libbpf: Add elf_resolve_pattern_offsets function (diff) | |
| download | kernel-5054a303f8960a45ea823021656d5ac19fb8fc89.tar.gz kernel-5054a303f8960a45ea823021656d5ac19fb8fc89.zip | |
libbpf: Add bpf_link_create support for multi uprobes
Adding new uprobe_multi struct to bpf_link_create_opts object
to pass multiple uprobe data to link_create attr uapi.
Acked-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Jiri Olsa <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>
Diffstat (limited to 'tools/lib/bpf/bpf.c')
| -rw-r--r-- | tools/lib/bpf/bpf.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index c9b6b311a441..b0f1913763a3 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -767,6 +767,17 @@ int bpf_link_create(int prog_fd, int target_fd, if (!OPTS_ZEROED(opts, kprobe_multi)) return libbpf_err(-EINVAL); break; + case BPF_TRACE_UPROBE_MULTI: + attr.link_create.uprobe_multi.flags = OPTS_GET(opts, uprobe_multi.flags, 0); + attr.link_create.uprobe_multi.cnt = OPTS_GET(opts, uprobe_multi.cnt, 0); + attr.link_create.uprobe_multi.path = ptr_to_u64(OPTS_GET(opts, uprobe_multi.path, 0)); + attr.link_create.uprobe_multi.offsets = ptr_to_u64(OPTS_GET(opts, uprobe_multi.offsets, 0)); + attr.link_create.uprobe_multi.ref_ctr_offsets = ptr_to_u64(OPTS_GET(opts, uprobe_multi.ref_ctr_offsets, 0)); + attr.link_create.uprobe_multi.cookies = ptr_to_u64(OPTS_GET(opts, uprobe_multi.cookies, 0)); + attr.link_create.uprobe_multi.pid = OPTS_GET(opts, uprobe_multi.pid, 0); + if (!OPTS_ZEROED(opts, uprobe_multi)) + return libbpf_err(-EINVAL); + break; case BPF_TRACE_FENTRY: case BPF_TRACE_FEXIT: case BPF_MODIFY_RETURN: |