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authorIlya Leoshkevich <iii@linux.ibm.com>2023-02-15 00:12:14 +0100
committerAndrii Nakryiko <andrii@kernel.org>2023-02-16 15:32:36 -0800
commit55a9ed0e16baf4d025c160d46bc1e3fac0d4cdc4 (patch)
treed61801f83178b52f3df16b82d9eb0ca53e866c70 /tools/lib/bpf/bpf.c
parent6c20822fada1b8adb77fa450d03a0d449686a4a9 (diff)
libbpf: Introduce bpf_{btf,link,map,prog}_get_info_by_fd()
These are type-safe wrappers around bpf_obj_get_info_by_fd(). They found one problem in selftests, and are also useful for adding Memory Sanitizer annotations. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20230214231221.249277-2-iii@linux.ibm.com
Diffstat (limited to 'tools/lib/bpf/bpf.c')
-rw-r--r--tools/lib/bpf/bpf.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 9aff98f42a3d..e750b6f5fcc3 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -1044,6 +1044,26 @@ int bpf_obj_get_info_by_fd(int bpf_fd, void *info, __u32 *info_len)
return libbpf_err_errno(err);
}
+int bpf_prog_get_info_by_fd(int prog_fd, struct bpf_prog_info *info, __u32 *info_len)
+{
+ return bpf_obj_get_info_by_fd(prog_fd, info, info_len);
+}
+
+int bpf_map_get_info_by_fd(int map_fd, struct bpf_map_info *info, __u32 *info_len)
+{
+ return bpf_obj_get_info_by_fd(map_fd, info, info_len);
+}
+
+int bpf_btf_get_info_by_fd(int btf_fd, struct bpf_btf_info *info, __u32 *info_len)
+{
+ return bpf_obj_get_info_by_fd(btf_fd, info, info_len);
+}
+
+int bpf_link_get_info_by_fd(int link_fd, struct bpf_link_info *info, __u32 *info_len)
+{
+ return bpf_obj_get_info_by_fd(link_fd, info, info_len);
+}
+
int bpf_raw_tracepoint_open(const char *name, int prog_fd)
{
const size_t attr_sz = offsetofend(union bpf_attr, raw_tracepoint);