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-rw-r--r--tools/testing/selftests/bpf/prog_tests/skeleton.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/skeleton.c b/tools/testing/selftests/bpf/prog_tests/skeleton.c
new file mode 100644
index 000000000000..9264a2736018
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/skeleton.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <test_progs.h>
+
+struct s {
+ int a;
+ long long b;
+} __attribute__((packed));
+
+#include "test_skeleton.skel.h"
+
+void test_skeleton(void)
+{
+ int duration = 0, err;
+ struct test_skeleton* skel;
+ struct test_skeleton__bss *bss;
+ struct test_skeleton__kconfig *kcfg;
+
+ skel = test_skeleton__open();
+ if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
+ return;
+
+ if (CHECK(skel->kconfig, "skel_kconfig", "kconfig is mmaped()!\n"))
+ goto cleanup;
+
+ err = test_skeleton__load(skel);
+ if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
+ goto cleanup;
+
+ bss = skel->bss;
+ bss->in1 = 1;
+ bss->in2 = 2;
+ bss->in3 = 3;
+ bss->in4 = 4;
+ bss->in5.a = 5;
+ bss->in5.b = 6;
+ kcfg = skel->kconfig;
+
+ err = test_skeleton__attach(skel);
+ if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+ goto cleanup;
+
+ /* trigger tracepoint */
+ usleep(1);
+
+ CHECK(bss->out1 != 1, "res1", "got %d != exp %d\n", bss->out1, 1);
+ CHECK(bss->out2 != 2, "res2", "got %lld != exp %d\n", bss->out2, 2);
+ CHECK(bss->out3 != 3, "res3", "got %d != exp %d\n", (int)bss->out3, 3);
+ CHECK(bss->out4 != 4, "res4", "got %lld != exp %d\n", bss->out4, 4);
+ CHECK(bss->handler_out5.a != 5, "res5", "got %d != exp %d\n",
+ bss->handler_out5.a, 5);
+ CHECK(bss->handler_out5.b != 6, "res6", "got %lld != exp %d\n",
+ bss->handler_out5.b, 6);
+
+ CHECK(bss->bpf_syscall != kcfg->CONFIG_BPF_SYSCALL, "ext1",
+ "got %d != exp %d\n", bss->bpf_syscall, kcfg->CONFIG_BPF_SYSCALL);
+ CHECK(bss->kern_ver != kcfg->LINUX_KERNEL_VERSION, "ext2",
+ "got %d != exp %d\n", bss->kern_ver, kcfg->LINUX_KERNEL_VERSION);
+
+cleanup:
+ test_skeleton__destroy(skel);
+}