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: /proc/self/root/usr/lib/modules/5.15.0-1083-aws/build/arch/powerpc/include/asm/ [ drwxr-xr-x ]
name : stackprotector.h /* SPDX-License-Identifier: GPL-2.0 */ /* * GCC stack protector support. * */ #ifndef _ASM_STACKPROTECTOR_H #define _ASM_STACKPROTECTOR_H #include <linux/random.h> #include <linux/version.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; /* 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 */