[RFC bpf-next v4 5/6] libbpf: define __uptr.

Kui-Feng Lee
2024-08-16T19:12:23Z

Make __uptr available to BPF programs to enable them to define uptrs.

Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
---
tools/lib/bpf/bpf_helpers.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
index 305c62817dd3..7ff9d947b976 100644
--- a/tools/lib/bpf/bpf_helpers.h
+++ b/tools/lib/bpf/bpf_helpers.h
@@ -185,6 +185,7 @@ enum libbpf_tristate {
#define __kptr_untrusted __attribute__((btf_type_tag("kptr_untrusted")))
#define __kptr __attribute__((btf_type_tag("kptr")))
#define __percpu_kptr __attribute__((btf_type_tag("percpu_kptr")))
+#define __uptr __attribute__((btf_type_tag("uptr")))

#if defined (__clang__)
#define bpf_ksym_exists(sym) ({ \
--
2.34.1