| Server IP : 202.155.9.38 / Your IP : 216.73.216.124 Web Server : LiteSpeed System : Linux srv733443859 5.15.0-179-generic #189-Ubuntu SMP Tue May 5 18:20:56 UTC 2026 x86_64 User : rabbi4843 ( 1044) PHP Version : 8.1.34 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/src/linux-headers-5.15.0-161-generic/include/linux/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Clang Control Flow Integrity (CFI) support.
*
* Copyright (C) 2021 Google LLC
*/
#ifndef _LINUX_CFI_H
#define _LINUX_CFI_H
#ifdef CONFIG_CFI_CLANG
typedef void (*cfi_check_fn)(uint64_t id, void *ptr, void *diag);
/* Compiler-generated function in each module, and the kernel */
extern void __cfi_check(uint64_t id, void *ptr, void *diag);
/*
* Force the compiler to generate a CFI jump table entry for a function
* and store the jump table address to __cfi_jt_<function>.
*/
#define __CFI_ADDRESSABLE(fn, __attr) \
const void *__cfi_jt_ ## fn __visible __attr = (void *)&fn
#ifdef CONFIG_CFI_CLANG_SHADOW
extern void cfi_module_add(struct module *mod, unsigned long base_addr);
extern void cfi_module_remove(struct module *mod, unsigned long base_addr);
#else
static inline void cfi_module_add(struct module *mod, unsigned long base_addr) {}
static inline void cfi_module_remove(struct module *mod, unsigned long base_addr) {}
#endif /* CONFIG_CFI_CLANG_SHADOW */
#else /* !CONFIG_CFI_CLANG */
#define __CFI_ADDRESSABLE(fn, __attr)
#endif /* CONFIG_CFI_CLANG */
#endif /* _LINUX_CFI_H */