selftests/bpf: Add btf_dump__new to test_cpp

Adding btf_dump__new call to test_cpp, so we can test C++ compilation with that.

Jiri Olsa committed 4 years ago

Commit ecf45e61 parent 5652b801 file · +8 −1Browse files

Showing the changes to tools/testing/selftests/bpf/test_cpp.cpp (1 of 1 file). Show all

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@@ -7,9 +7,15 @@ · 6 unmodified lines
7	7
8	8	/* do nothing, just make sure we can link successfully */
9	9
	10	+static void dump_printf(void ctx, const char fmt, va_list args)
	11	+{
	12	+}
	13	+
10	14	int main(int argc, char *argv[])
11	15	{
	16	+ struct btf_dump_opts opts = { };
12	17	struct test_core_extern *skel;
	18	+ struct btf *btf;
13	19
14	20	/* libbpf.h */
15	21	libbpf_set_print(NULL);
@@ -18,7 +24,8 @@ int main(int argc, char *argv[]) · 2 unmodified lines
18	24	bpf_prog_get_fd_by_id(0);
19	25
20	26	/* btf.h */
21		− btf__new(NULL, 0);
	27	+ btf = btf__new(NULL, 0);
	28	+ btf_dump__new(btf, dump_printf, nullptr, &opts);
22	29
23	30	/* BPF skeleton */
24	31	skel = test_core_extern__open_and_load();