90 lines · cpp
1//===-asan_abi.cpp - ASan Stable ABI---------------------------------------===//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#include "asan_abi.h"10 11extern "C" {12// Functions concerning instrumented global variables:13void __asan_abi_register_image_globals(void) {}14void __asan_abi_unregister_image_globals(void) {}15void __asan_abi_register_elf_globals(bool *flag, void *start, void *stop) {}16void __asan_abi_unregister_elf_globals(bool *flag, void *start, void *stop) {}17void __asan_abi_register_globals(void *globals, size_t n) {}18void __asan_abi_unregister_globals(void *globals, size_t n) {}19 20// Functions concerning dynamic library initialization21void __asan_abi_before_dynamic_init(const char *module_name) {}22void __asan_abi_after_dynamic_init(void) {}23 24// Functions concerning block memory destinations25void *__asan_abi_memcpy(void *d, const void *s, size_t n) { return NULL; }26void *__asan_abi_memmove(void *d, const void *s, size_t n) { return NULL; }27void *__asan_abi_memset(void *p, int c, size_t n) { return NULL; }28 29// Functions concerning RTL startup and initialization30void __asan_abi_init(void) {}31void __asan_abi_handle_no_return(void) {}32 33// Functions concerning memory load and store reporting34void __asan_abi_report_load_n(void *p, size_t n, bool abort) {}35void __asan_abi_report_exp_load_n(void *p, size_t n, int exp, bool abort) {}36void __asan_abi_report_store_n(void *p, size_t n, bool abort) {}37void __asan_abi_report_exp_store_n(void *p, size_t n, int exp, bool abort) {}38 39// Functions concerning memory load and store40void __asan_abi_load_n(void *p, size_t n, bool abort) {}41void __asan_abi_exp_load_n(void *p, size_t n, int exp, bool abort) {}42void __asan_abi_store_n(void *p, size_t n, bool abort) {}43void __asan_abi_exp_store_n(void *p, size_t n, int exp, bool abort) {}44 45// Functions concerning query about whether memory is poisoned46int __asan_abi_address_is_poisoned(void const volatile *p) { return 0; }47void *__asan_abi_region_is_poisoned(void const volatile *p, size_t size) {48 return NULL;49}50 51// Functions concerning the poisoning of memory52void __asan_abi_poison_memory_region(void const volatile *p, size_t n) {}53void __asan_abi_unpoison_memory_region(void const volatile *p, size_t n) {}54 55// Functions concerning the partial poisoning of memory56void __asan_abi_set_shadow_xx_n(void *p, unsigned char xx, size_t n) {}57 58// Functions concerning stack poisoning59void __asan_abi_poison_stack_memory(void *p, size_t n) {}60void __asan_abi_unpoison_stack_memory(void *p, size_t n) {}61 62// Functions concerning redzone poisoning63void __asan_abi_poison_intra_object_redzone(void *p, size_t size) {}64void __asan_abi_unpoison_intra_object_redzone(void *p, size_t size) {}65 66// Functions concerning array cookie poisoning67void __asan_abi_poison_cxx_array_cookie(void *p) {}68void *__asan_abi_load_cxx_array_cookie(void **p) { return NULL; }69 70// Functions concerning fake stacks71void *__asan_abi_get_current_fake_stack(void) { return NULL; }72void *__asan_abi_addr_is_in_fake_stack(void *fake_stack, void *addr, void **beg,73 void **end) {74 return NULL;75}76 77// Functions concerning poisoning and unpoisoning fake stack alloca78void __asan_abi_alloca_poison(void *addr, size_t size) {}79void __asan_abi_allocas_unpoison(void *top, void *bottom) {}80 81// Functions concerning fake stack malloc82void *__asan_abi_stack_malloc_n(size_t scale, size_t size) { return NULL; }83void *__asan_abi_stack_malloc_always_n(size_t scale, size_t size) {84 return NULL;85}86 87// Functions concerning fake stack free88void __asan_abi_stack_free_n(int scale, void *p, size_t n) {}89}90