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Diffstat (limited to 'arch/riscv/include/asm/cfi.h')
-rw-r--r--arch/riscv/include/asm/cfi.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/cfi.h b/arch/riscv/include/asm/cfi.h
new file mode 100644
index 000000000000..710aa8192edd
--- /dev/null
+++ b/arch/riscv/include/asm/cfi.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_RISCV_CFI_H
+#define _ASM_RISCV_CFI_H
+
+/*
+ * Clang Control Flow Integrity (CFI) support.
+ *
+ * Copyright (C) 2023 Google LLC
+ */
+#include <linux/bug.h>
+
+struct pt_regs;
+
+#ifdef CONFIG_CFI
+enum bug_trap_type handle_cfi_failure(struct pt_regs *regs);
+#define __bpfcall
+#else
+static inline enum bug_trap_type handle_cfi_failure(struct pt_regs *regs)
+{
+ return BUG_TRAP_TYPE_NONE;
+}
+#endif /* CONFIG_CFI */
+
+#endif /* _ASM_RISCV_CFI_H */