| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #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 |