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Diffstat (limited to 'tools/testing/selftests/bpf/progs/btf__stack_arg_precision.c')
-rw-r--r--tools/testing/selftests/bpf/progs/btf__stack_arg_precision.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/btf__stack_arg_precision.c b/tools/testing/selftests/bpf/progs/btf__stack_arg_precision.c
new file mode 100644
index 000000000000..8d38aafe66a2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/btf__stack_arg_precision.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2026 Meta Platforms, Inc. and affiliates. */
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+#include "../test_kmods/bpf_testmod_kfunc.h"
+
+#if (defined(__TARGET_ARCH_x86) || defined(__TARGET_ARCH_arm64)) && \
+ defined(__BPF_FEATURE_STACK_ARGUMENT)
+
+long subprog_call_mem_kfunc(long a, long b, long c, long d, long e, long size)
+{
+ char buf[8] = {};
+
+ return bpf_kfunc_call_stack_arg_mem(a, b, c, d, e, buf, size);
+}
+
+#else
+
+long subprog_call_mem_kfunc(void)
+{
+ return 0;
+}
+
+#endif