selftests/bpf: Add testcase where 7th argment is struct

Add testcase where 7th argument is struct for architectures with 8 argument
registers, and increase the complexity of the struct.

Signed-off-by: Pu Lehui <pulehui@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
Acked-by: Björn Töpel <bjorn@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240702121944.1091530-4-pulehui@huaweicloud.com

1 files changed, 19 insertions, 0 deletions

diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
index d8bd01d8560b..f8962a1dd397 100644
--- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
+++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
@@ -53,6 +53,13 @@ struct bpf_testmod_struct_arg_4 {
 	int b;
 };
 
+struct bpf_testmod_struct_arg_5 {
+	char a;
+	short b;
+	int c;
+	long d;
+};
+
 __bpf_hook_start();
 
 noinline int
@@ -111,6 +118,15 @@ bpf_testmod_test_struct_arg_8(u64 a, void *b, short c, int d, void *e,
 }
 
 noinline int
+bpf_testmod_test_struct_arg_9(u64 a, void *b, short c, int d, void *e, char f,
+			      short g, struct bpf_testmod_struct_arg_5 h, long i)
+{
+	bpf_testmod_test_struct_arg_result = a + (long)b + c + d + (long)e +
+		f + g + h.a + h.b + h.c + h.d + i;
+	return bpf_testmod_test_struct_arg_result;
+}
+
+noinline int
 bpf_testmod_test_arg_ptr_to_struct(struct bpf_testmod_struct_arg_1 *a) {
 	bpf_testmod_test_struct_arg_result = a->a;
 	return bpf_testmod_test_struct_arg_result;
@@ -305,6 +321,7 @@ bpf_testmod_test_read(struct file *file, struct kobject *kobj,
 	struct bpf_testmod_struct_arg_2 struct_arg2 = {2, 3};
 	struct bpf_testmod_struct_arg_3 *struct_arg3;
 	struct bpf_testmod_struct_arg_4 struct_arg4 = {21, 22};
+	struct bpf_testmod_struct_arg_5 struct_arg5 = {23, 24, 25, 26};
 	int i = 1;
 
 	while (bpf_testmod_return_ptr(i))
@@ -319,6 +336,8 @@ bpf_testmod_test_read(struct file *file, struct kobject *kobj,
 					    (void *)20, struct_arg4);
 	(void)bpf_testmod_test_struct_arg_8(16, (void *)17, 18, 19,
 					    (void *)20, struct_arg4, 23);
+	(void)bpf_testmod_test_struct_arg_9(16, (void *)17, 18, 19, (void *)20,
+					    21, 22, struct_arg5, 27);
 
 	(void)bpf_testmod_test_arg_ptr_to_struct(&struct_arg1_2);