arch-stackprotector.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2
 3#ifndef _ASM_S390_ARCH_STACKPROTECTOR_H
 4#define _ASM_S390_ARCH_STACKPROTECTOR_H
 5
 6extern unsigned long __stack_chk_guard;
 7extern int stack_protector_debug;
 8
 9void __stack_protector_apply_early(unsigned long kernel_start);
10int __stack_protector_apply(unsigned long *start, unsigned long *end, unsigned long kernel_start);
11
12static inline void stack_protector_apply_early(unsigned long kernel_start)
13{
14	if (IS_ENABLED(CONFIG_STACKPROTECTOR))
15		__stack_protector_apply_early(kernel_start);
16}
17
18static inline int stack_protector_apply(unsigned long *start, unsigned long *end)
19{
20	if (IS_ENABLED(CONFIG_STACKPROTECTOR))
21		return __stack_protector_apply(start, end, 0);
22	return 0;
23}
24
25#endif /* _ASM_S390_ARCH_STACKPROTECTOR_H */