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1//===-asan_abi.h - ASan Stable ABI Interface-------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef ASAN_ABI_H10#define ASAN_ABI_H11 12#include <stdbool.h>13#include <stddef.h>14#include <sys/cdefs.h>15#include <sys/types.h>16 17__BEGIN_DECLS18 19// Functions concerning instrumented global variables:20void __asan_abi_register_image_globals();21void __asan_abi_unregister_image_globals();22void __asan_abi_register_elf_globals(bool *flag, void *start, void *stop);23void __asan_abi_unregister_elf_globals(bool *flag, void *start, void *stop);24void __asan_abi_register_globals(void *globals, size_t n);25void __asan_abi_unregister_globals(void *globals, size_t n);26 27// Functions concerning dynamic library initialization28void __asan_abi_before_dynamic_init(const char *module_name);29void __asan_abi_after_dynamic_init();30 31// Functions concerning block memory destinations32void *__asan_abi_memcpy(void *d, const void *s, size_t n);33void *__asan_abi_memmove(void *d, const void *s, size_t n);34void *__asan_abi_memset(void *p, int c, size_t n);35 36// Functions concerning RTL startup and initialization37void __asan_abi_init();38void __asan_abi_handle_no_return();39 40// Functions concerning memory load and store reporting41void __asan_abi_report_load_n(void *p, size_t n, bool abort);42void __asan_abi_report_exp_load_n(void *p, size_t n, int exp, bool abort);43void __asan_abi_report_store_n(void *p, size_t n, bool abort);44void __asan_abi_report_exp_store_n(void *p, size_t n, int exp, bool abort);45 46// Functions concerning memory load and store47void __asan_abi_load_n(void *p, size_t n, bool abort);48void __asan_abi_exp_load_n(void *p, size_t n, int exp, bool abort);49void __asan_abi_store_n(void *p, size_t n, bool abort);50void __asan_abi_exp_store_n(void *p, size_t n, int exp, bool abort);51 52// Functions concerning query about whether memory is poisoned53int __asan_abi_address_is_poisoned(void const volatile *p);54void *__asan_abi_region_is_poisoned(void const volatile *p, size_t size);55 56// Functions concerning the poisoning of memory57void __asan_abi_unpoison_memory_region(void const volatile *p, size_t n);58void __asan_abi_poison_memory_region(void const volatile *p, size_t n);59 60// Functions concerning the partial poisoning of memory61void __asan_abi_set_shadow_xx_n(void *p, unsigned char xx, size_t n);62 63// Functions concerning stack poisoning64void __asan_abi_poison_stack_memory(void *p, size_t n);65void __asan_abi_unpoison_stack_memory(void *p, size_t n);66 67// Functions concerning redzone poisoning68void __asan_abi_poison_intra_object_redzone(void *p, size_t size);69void __asan_abi_unpoison_intra_object_redzone(void *p, size_t size);70 71// Functions concerning array cookie poisoning72void __asan_abi_poison_cxx_array_cookie(void *p);73void *__asan_abi_load_cxx_array_cookie(void **p);74 75// Functions concerning fake stacks76void *__asan_abi_get_current_fake_stack();77void *__asan_abi_addr_is_in_fake_stack(void *fake_stack, void *addr, void **beg,78 void **end);79// Functions concerning poisoning and unpoisoning fake stack alloca80void __asan_abi_alloca_poison(void *addr, size_t size);81void __asan_abi_allocas_unpoison(void *top, void *bottom);82 83// Functions concerning fake stack malloc84void *__asan_abi_stack_malloc_n(size_t scale, size_t size);85void *__asan_abi_stack_malloc_always_n(size_t scale, size_t size);86 87// Functions concerning fake stack free88void __asan_abi_stack_free_n(int scale, void *p, size_t n);89 90__END_DECLS91#endif // ASAN_ABI_H92