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| 2 |
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| 3 | #ifndef _ASM_RISCV_STACKPROTECTOR_H
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| 4 | #define _ASM_RISCV_STACKPROTECTOR_H
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| 5 |
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| 6 | extern unsigned long __stack_chk_guard;
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| 7 |
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| 8 | |
| 9 | * Initialize the stackprotector canary value.
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| 10 | *
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| 11 | * NOTE: this must only be called from functions that never return,
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| 12 | * and it must always be inlined.
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| 13 |
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| 14 | static __always_inline void boot_init_stack_canary(void)
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| 15 | {
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| 16 | unsigned long canary = get_random_canary();
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| 17 |
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| 18 | current->stack_canary = canary;
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| 19 | if (!IS_ENABLED(CONFIG_STACKPROTECTOR_PER_TASK))
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| 20 | __stack_chk_guard = current->stack_canary;
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| 21 | }
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| 22 | #endif
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