1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_RISCV_CFI_H 3 #define _ASM_RISCV_CFI_H 4 5 /* 6 * Clang Control Flow Integrity (CFI) support. 7 * 8 * Copyright (C) 2023 Google LLC 9 */ 10 #include <linux/bug.h> 11 12 struct pt_regs; 13 14 #ifdef CONFIG_CFI_CLANG 15 enum bug_trap_type handle_cfi_failure(struct pt_regs *regs); 16 #else 17 static inline enum bug_trap_type handle_cfi_failure(struct pt_regs *regs) 18 { 19 return BUG_TRAP_TYPE_NONE; 20 } 21 #endif /* CONFIG_CFI_CLANG */ 22 23 #endif /* _ASM_RISCV_CFI_H */ 24