name : stackprotector.h /* SPDX-License-Identifier: GPL-2.0 */ /* * GCC stack protector support. * */ #ifndef _ASM_STACKPROTECTOR_H #define _ASM_STACKPROTECTOR_H #include <asm/reg.h> #include <asm/current.h> #include <asm/paca.h> /* * 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; #ifdef CONFIG_PPC64 get_paca()->canary = canary; #endif } #endif /* _ASM_STACKPROTECTOR_H */