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-rw-r--r--tools/testing/selftests/bpf/progs/test_attach_probe.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_attach_probe.c b/tools/testing/selftests/bpf/progs/test_attach_probe.c
new file mode 100644
index 000000000000..63a8dfef893b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_attach_probe.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2017 Facebook
+
+#include <linux/ptrace.h>
+#include <linux/bpf.h>
+#include "bpf_helpers.h"
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 4);
+ __type(key, int);
+ __type(value, int);
+} results_map SEC(".maps");
+
+SEC("kprobe/sys_nanosleep")
+int handle_sys_nanosleep_entry(struct pt_regs *ctx)
+{
+ const int key = 0, value = 1;
+
+ bpf_map_update_elem(&results_map, &key, &value, 0);
+ return 0;
+}
+
+SEC("kretprobe/sys_nanosleep")
+int handle_sys_getpid_return(struct pt_regs *ctx)
+{
+ const int key = 1, value = 2;
+
+ bpf_map_update_elem(&results_map, &key, &value, 0);
+ return 0;
+}
+
+SEC("uprobe/trigger_func")
+int handle_uprobe_entry(struct pt_regs *ctx)
+{
+ const int key = 2, value = 3;
+
+ bpf_map_update_elem(&results_map, &key, &value, 0);
+ return 0;
+}
+
+SEC("uretprobe/trigger_func")
+int handle_uprobe_return(struct pt_regs *ctx)
+{
+ const int key = 3, value = 4;
+
+ bpf_map_update_elem(&results_map, &key, &value, 0);
+ return 0;
+}
+
+char _license[] SEC("license") = "GPL";
+__u32 _version SEC("version") = 1;