1 files changed, 81 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_skeleton.c b/tools/testing/selftests/bpf/progs/test_skeleton.c
new file mode 100644
index 000000000..1a4e93f6d
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skeleton.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Facebook */
+
+#include <stdbool.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define __read_mostly SEC(".data.read_mostly")
+
+struct s {
+	int a;
+	long long b;
+} __attribute__((packed));
+
+/* .data section */
+int in1 = -1;
+long long in2 = -1;
+
+/* .bss section */
+char in3 = '\0';
+long long in4 __attribute__((aligned(64))) = 0;
+struct s in5 = {};
+
+/* .rodata section */
+const volatile struct {
+	const int in6;
+} in = {};
+
+/* .data section */
+int out1 = -1;
+long long out2 = -1;
+
+/* .bss section */
+char out3 = 0;
+long long out4 = 0;
+int out6 = 0;
+
+extern bool CONFIG_BPF_SYSCALL __kconfig;
+extern int LINUX_KERNEL_VERSION __kconfig;
+bool bpf_syscall = 0;
+int kern_ver = 0;
+
+struct s out5 = {};
+
+
+const volatile int in_dynarr_sz SEC(".rodata.dyn");
+const volatile int in_dynarr[4] SEC(".rodata.dyn") = { -1, -2, -3, -4 };
+
+int out_dynarr[4] SEC(".data.dyn") = { 1, 2, 3, 4 };
+
+int read_mostly_var __read_mostly;
+int out_mostly_var;
+
+char huge_arr[16 * 1024 * 1024];
+
+SEC("raw_tp/sys_enter")
+int handler(const void *ctx)
+{
+	int i;
+
+	out1 = in1;
+	out2 = in2;
+	out3 = in3;
+	out4 = in4;
+	out5 = in5;
+	out6 = in.in6;
+
+	bpf_syscall = CONFIG_BPF_SYSCALL;
+	kern_ver = LINUX_KERNEL_VERSION;
+
+	for (i = 0; i < in_dynarr_sz; i++)
+		out_dynarr[i] = in_dynarr[i];
+
+	out_mostly_var = read_mostly_var;
+
+	huge_arr[sizeof(huge_arr) - 1] = 123;
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";