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Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_task_local_data.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_task_local_data.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_task_local_data.c b/tools/testing/selftests/bpf/progs/test_task_local_data.c
new file mode 100644
index 000000000000..fffafc013044
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_task_local_data.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <vmlinux.h>
+#include <errno.h>
+#include <bpf/bpf_helpers.h>
+
+#include "task_local_data.bpf.h"
+
+struct tld_keys {
+ tld_key_t value0;
+ tld_key_t value1;
+ tld_key_t value2;
+ tld_key_t value_not_exist;
+};
+
+struct test_tld_struct {
+ __u64 a;
+ __u64 b;
+ __u64 c;
+ __u64 d;
+};
+
+int test_value0;
+int test_value1;
+struct test_tld_struct test_value2;
+
+SEC("syscall")
+int task_main(void *ctx)
+{
+ struct tld_object tld_obj;
+ struct test_tld_struct *struct_p;
+ struct task_struct *task;
+ int err, *int_p;
+
+ task = bpf_get_current_task_btf();
+ err = tld_object_init(task, &tld_obj);
+ if (err)
+ return 1;
+
+ int_p = tld_get_data(&tld_obj, value0, "value0", sizeof(int));
+ if (int_p)
+ test_value0 = *int_p;
+ else
+ return 2;
+
+ int_p = tld_get_data(&tld_obj, value1, "value1", sizeof(int));
+ if (int_p)
+ test_value1 = *int_p;
+ else
+ return 3;
+
+ struct_p = tld_get_data(&tld_obj, value2, "value2", sizeof(struct test_tld_struct));
+ if (struct_p)
+ test_value2 = *struct_p;
+ else
+ return 4;
+
+ int_p = tld_get_data(&tld_obj, value_not_exist, "value_not_exist", sizeof(int));
+ if (int_p)
+ return 5;
+
+ return 0;
+}
+
+char _license[] SEC("license") = "GPL";