/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASAN_H #define __ASAN_H #include <types.h> #define ASAN_SHADOW_SCALE_SHIFT 3 #define ASAN_SHADOW_SCALE_SIZE (1UL << ASAN_SHADOW_SCALE_SHIFT) #define ASAN_SHADOW_MASK (ASAN_SHADOW_SCALE_SIZE - 1) #define ASAN_GLOBAL_REDZONE 0xFA #define ASAN_STACK_LEFT 0xF1 #define ASAN_STACK_MID 0xF2 #define ASAN_STACK_RIGHT 0xF3 #define ASAN_STACK_PARTIAL 0xF4 #define ASAN_USE_AFTER_SCOPE 0xF8 #define _RET_IP_ ((unsigned long)__builtin_return_address(0)) #define likely(x) __builtin_expect(!!(x), 1) #define unlikely(x) __builtin_expect(!!(x), 0) #define WARN_ON(condition) ({ \ int __ret_warn_on = !!(condition); \ unlikely(__ret_warn_on); \ }) #ifndef ASAN_ABI_VERSION #define ASAN_ABI_VERSION 5 #endif /* The layout of struct dictated by compiler */ struct asan_source_location { const char *filename; int line_no; int column_no; }; /* The layout of struct dictated by compiler */ struct asan_global { const void *beg; /* Address of the beginning of the global variable. */ size_t size; /* Size of the global variable. */ size_t size_with_redzone; /* Size of the variable + size of the red zone 32 bytes aligned. */ const void *name; const void *module_name; /* Name of the module where the global variable is declared. */ unsigned long has_dynamic_init; /* This needed for C++. */ #if ASAN_ABI_VERSION >= 4 struct asan_source_location *location; #endif #if ASAN_ABI_VERSION >= 5 char *odr_indicator; #endif }; void asan_unpoison_shadow(const void *address, size_t size); void asan_report(unsigned long addr, size_t size, bool is_write, unsigned long ip); void asan_init(void); void check_memory_region(unsigned long addr, size_t size, bool write, unsigned long ret_ip); uintptr_t __asan_shadow_offset(uintptr_t addr); void __asan_register_globals(struct asan_global *globals, size_t size); void __asan_unregister_globals(struct asan_global *globals, size_t size); void __asan_poison_stack_memory(const void *addr, size_t size); void __asan_unpoison_stack_memory(const void *addr, size_t size); void __asan_load1(unsigned long addr); void __asan_store1(unsigned long addr); void __asan_load2(unsigned long addr); void __asan_store2(unsigned long addr); void __asan_load4(unsigned long addr); void __asan_store4(unsigned long addr); void __asan_load8(unsigned long addr); void __asan_store8(unsigned long addr); void __asan_load16(unsigned long addr); void __asan_store16(unsigned long addr); void __asan_loadN(unsigned long addr, size_t size); void __asan_storeN(unsigned long addr, size_t size); void __asan_load1_noabort(unsigned long addr); void __asan_store1_noabort(unsigned long addr); void __asan_load2_noabort(unsigned long addr); void __asan_store2_noabort(unsigned long addr); void __asan_load4_noabort(unsigned long addr); void __asan_store4_noabort(unsigned long addr); void __asan_load8_noabort(unsigned long addr); void __asan_store8_noabort(unsigned long addr); void __asan_load16_noabort(unsigned long addr); void __asan_store16_noabort(unsigned long addr); void __asan_loadN_noabort(unsigned long addr, size_t size); void __asan_storeN_noabort(unsigned long addr, size_t size); void __asan_handle_no_return(void); void __asan_set_shadow_00(const void *addr, size_t size); void __asan_set_shadow_f1(const void *addr, size_t size); void __asan_set_shadow_f2(const void *addr, size_t size); void __asan_set_shadow_f3(const void *addr, size_t size); void __asan_set_shadow_f5(const void *addr, size_t size); void __asan_set_shadow_f8(const void *addr, size_t size); void __asan_report_load1_noabort(unsigned long addr); void __asan_report_store1_noabort(unsigned long addr); void __asan_report_load2_noabort(unsigned long addr); void __asan_report_store2_noabort(unsigned long addr); void __asan_report_load4_noabort(unsigned long addr); void __asan_report_store4_noabort(unsigned long addr); void __asan_report_load8_noabort(unsigned long addr); void __asan_report_store8_noabort(unsigned long addr); void __asan_report_load16_noabort(unsigned long addr); void __asan_report_store16_noabort(unsigned long addr); void __asan_report_load_n_noabort(unsigned long addr, size_t size); void __asan_report_store_n_noabort(unsigned long addr, size_t size); #endif