| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_STACKPROTECTOR_H |
| #define _ASM_STACKPROTECTOR_H 1 |
| |
| extern unsigned long __stack_chk_guard; |
| |
| /* |
| * Initialize the stackprotector canary value. |
| * |
| * NOTE: this must only be called from functions that never return, |
| * and it must always be inlined. |
| */ |
| static __always_inline void boot_init_stack_canary(void) |
| { |
| unsigned long canary = get_random_canary(); |
| |
| current->stack_canary = canary; |
| __stack_chk_guard = current->stack_canary; |
| } |
| |
| #endif /* __ASM_SH_STACKPROTECTOR_H */ |
