/usr/src/linux-headers-5.15.0-190/arch/powerpc/include/asm
Edit: /usr/src/linux-headers-5.15.0-190/arch/powerpc/include/asm/stackprotector.h (788B)
/* SPDX-License-Identifier: GPL-2.0 */
/*
* GCC stack protector support.
*
*/
#ifndef _ASM_STACKPROTECTOR_H
#define _ASM_STACKPROTECTOR_H
#include
#include
#include
#include
#include
/*
* 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;
/* Try to get a semi random initial value. */
canary = get_random_canary();
canary ^= mftb();
canary ^= LINUX_VERSION_CODE;
canary &= CANARY_MASK;
current->stack_canary = canary;
#ifdef CONFIG_PPC64
get_paca()->canary = canary;
#endif
}
#endif /* _ASM_STACKPROTECTOR_H */