summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/bpf/prog_tests/uprobe_autoattach.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/uprobe_autoattach.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/uprobe_autoattach.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe_autoattach.c b/tools/testing/selftests/bpf/prog_tests/uprobe_autoattach.c
new file mode 100644
index 000000000..35b87c7ba
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/uprobe_autoattach.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022, Oracle and/or its affiliates. */
+
+#include <test_progs.h>
+#include "test_uprobe_autoattach.skel.h"
+
+/* uprobe attach point */
+static noinline int autoattach_trigger_func(int arg)
+{
+ asm volatile ("");
+ return arg + 1;
+}
+
+void test_uprobe_autoattach(void)
+{
+ struct test_uprobe_autoattach *skel;
+ int trigger_val = 100, trigger_ret;
+ size_t malloc_sz = 1;
+ char *mem;
+
+ skel = test_uprobe_autoattach__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "skel_open"))
+ return;
+
+ if (!ASSERT_OK(test_uprobe_autoattach__attach(skel), "skel_attach"))
+ goto cleanup;
+
+ skel->bss->test_pid = getpid();
+
+ /* trigger & validate uprobe & uretprobe */
+ trigger_ret = autoattach_trigger_func(trigger_val);
+
+ skel->bss->test_pid = getpid();
+
+ /* trigger & validate shared library u[ret]probes attached by name */
+ mem = malloc(malloc_sz);
+
+ ASSERT_EQ(skel->bss->uprobe_byname_parm1, trigger_val, "check_uprobe_byname_parm1");
+ ASSERT_EQ(skel->bss->uprobe_byname_ran, 1, "check_uprobe_byname_ran");
+ ASSERT_EQ(skel->bss->uretprobe_byname_rc, trigger_ret, "check_uretprobe_byname_rc");
+ ASSERT_EQ(skel->bss->uretprobe_byname_ran, 2, "check_uretprobe_byname_ran");
+ ASSERT_EQ(skel->bss->uprobe_byname2_parm1, malloc_sz, "check_uprobe_byname2_parm1");
+ ASSERT_EQ(skel->bss->uprobe_byname2_ran, 3, "check_uprobe_byname2_ran");
+ ASSERT_EQ(skel->bss->uretprobe_byname2_rc, mem, "check_uretprobe_byname2_rc");
+ ASSERT_EQ(skel->bss->uretprobe_byname2_ran, 4, "check_uretprobe_byname2_ran");
+
+ free(mem);
+cleanup:
+ test_uprobe_autoattach__destroy(skel);
+}