From: Jiri Olsa <jolsa@redhat.com>
Date: Thu, 23 Dec 2021 14:17:36 +0100
Subject: selftests/bpf: Add btf_dump__new to test_cpp
Patch-mainline: v5.17-rc1
Git-commit: ecf45e60a62dfeb65658abac02f0bdb45b786911
References: jsc#PED-1377
Adding btf_dump__new call to test_cpp, so we can
test C++ compilation with that.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20211223131736.483956-2-jolsa@kernel.org
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
---
tools/testing/selftests/bpf/test_cpp.cpp | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/tools/testing/selftests/bpf/test_cpp.cpp
+++ b/tools/testing/selftests/bpf/test_cpp.cpp
@@ -7,9 +7,15 @@
/* do nothing, just make sure we can link successfully */
+static void dump_printf(void *ctx, const char *fmt, va_list args)
+{
+}
+
int main(int argc, char *argv[])
{
+ struct btf_dump_opts opts = { };
struct test_core_extern *skel;
+ struct btf *btf;
/* libbpf.h */
libbpf_set_print(NULL);
@@ -18,7 +24,8 @@ int main(int argc, char *argv[])
bpf_prog_get_fd_by_id(0);
/* btf.h */
- btf__new(NULL, 0);
+ btf = btf__new(NULL, 0);
+ btf_dump__new(btf, dump_printf, nullptr, &opts);
/* BPF skeleton */
skel = test_core_extern__open_and_load();