11556Srgrimes//===-asan_abi.cpp - ASan Stable ABI---------------------------------------===// 21556Srgrimes// 31556Srgrimes// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 41556Srgrimes// See https://llvm.org/LICENSE.txt for license information. 51556Srgrimes// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 61556Srgrimes// 71556Srgrimes//===----------------------------------------------------------------------===// 81556Srgrimes 91556Srgrimes#include "asan_abi.h" 101556Srgrimes 111556Srgrimesextern "C" { 121556Srgrimes// Functions concerning instrumented global variables: 131556Srgrimesvoid __asan_abi_register_image_globals(void) {} 141556Srgrimesvoid __asan_abi_unregister_image_globals(void) {} 151556Srgrimesvoid __asan_abi_register_elf_globals(bool *flag, void *start, void *stop) {} 161556Srgrimesvoid __asan_abi_unregister_elf_globals(bool *flag, void *start, void *stop) {} 171556Srgrimesvoid __asan_abi_register_globals(void *globals, size_t n) {} 181556Srgrimesvoid __asan_abi_unregister_globals(void *globals, size_t n) {} 191556Srgrimes 201556Srgrimes// Functions concerning dynamic library initialization 211556Srgrimesvoid __asan_abi_before_dynamic_init(const char *module_name) {} 221556Srgrimesvoid __asan_abi_after_dynamic_init(void) {} 231556Srgrimes 241556Srgrimes// Functions concerning block memory destinations 251556Srgrimesvoid *__asan_abi_memcpy(void *d, const void *s, size_t n) { return NULL; } 261556Srgrimesvoid *__asan_abi_memmove(void *d, const void *s, size_t n) { return NULL; } 271556Srgrimesvoid *__asan_abi_memset(void *p, int c, size_t n) { return NULL; } 281556Srgrimes 291556Srgrimes// Functions concerning RTL startup and initialization 301556Srgrimesvoid __asan_abi_init(void) {} 311556Srgrimesvoid __asan_abi_handle_no_return(void) {} 321556Srgrimes 331556Srgrimes// Functions concerning memory load and store reporting 341556Srgrimesvoid __asan_abi_report_load_n(void *p, size_t n, bool abort) {} 351556Srgrimesvoid __asan_abi_report_exp_load_n(void *p, size_t n, int exp, bool abort) {} 361556Srgrimesvoid __asan_abi_report_store_n(void *p, size_t n, bool abort) {} 371556Srgrimesvoid __asan_abi_report_exp_store_n(void *p, size_t n, int exp, bool abort) {} 3836150Scharnier 3936150Scharnier// Functions concerning memory load and store 4036150Scharniervoid __asan_abi_load_n(void *p, size_t n, bool abort) {} 411556Srgrimesvoid __asan_abi_exp_load_n(void *p, size_t n, int exp, bool abort) {} 4299110Sobrienvoid __asan_abi_store_n(void *p, size_t n, bool abort) {} 4399110Sobrienvoid __asan_abi_exp_store_n(void *p, size_t n, int exp, bool abort) {} 441556Srgrimes 4517987Speter// Functions concerning query about whether memory is poisoned 4617987Speterint __asan_abi_address_is_poisoned(void const volatile *p) { return 0; } 4717987Spetervoid *__asan_abi_region_is_poisoned(void const volatile *p, size_t size) { 4817987Speter return NULL; 4917987Speter} 5017987Speter 5117987Speter// Functions concerning the poisoning of memory 521556Srgrimesvoid __asan_abi_poison_memory_region(void const volatile *p, size_t n) {} 531556Srgrimesvoid __asan_abi_unpoison_memory_region(void const volatile *p, size_t n) {} 541556Srgrimes 551556Srgrimes// Functions concerning the partial poisoning of memory 561556Srgrimesvoid __asan_abi_set_shadow_xx_n(void *p, unsigned char xx, size_t n) {} 571556Srgrimes 581556Srgrimes// Functions concerning stack poisoning 591556Srgrimesvoid __asan_abi_poison_stack_memory(void *p, size_t n) {} 601556Srgrimesvoid __asan_abi_unpoison_stack_memory(void *p, size_t n) {} 611556Srgrimes 621556Srgrimes// Functions concerning redzone poisoning 631556Srgrimesvoid __asan_abi_poison_intra_object_redzone(void *p, size_t size) {} 641556Srgrimesvoid __asan_abi_unpoison_intra_object_redzone(void *p, size_t size) {} 651556Srgrimes 661556Srgrimes// Functions concerning array cookie poisoning 671556Srgrimesvoid __asan_abi_poison_cxx_array_cookie(void *p) {} 681556Srgrimesvoid *__asan_abi_load_cxx_array_cookie(void **p) { return NULL; } 691556Srgrimes 701556Srgrimes// Functions concerning fake stacks 711556Srgrimesvoid *__asan_abi_get_current_fake_stack(void) { return NULL; } 721556Srgrimesvoid *__asan_abi_addr_is_in_fake_stack(void *fake_stack, void *addr, void **beg, 731556Srgrimes void **end) { 741556Srgrimes return NULL; 751556Srgrimes} 761556Srgrimes 771556Srgrimes// Functions concerning poisoning and unpoisoning fake stack alloca 7817987Spetervoid __asan_abi_alloca_poison(void *addr, size_t size) {} 791556Srgrimesvoid __asan_abi_allocas_unpoison(void *top, void *bottom) {} 8025223Ssteve 811556Srgrimes// Functions concerning fake stack malloc 821556Srgrimesvoid *__asan_abi_stack_malloc_n(size_t scale, size_t size) { return NULL; } 831556Srgrimesvoid *__asan_abi_stack_malloc_always_n(size_t scale, size_t size) { 841556Srgrimes return NULL; 851556Srgrimes} 861556Srgrimes 871556Srgrimes// Functions concerning fake stack free 881556Srgrimesvoid __asan_abi_stack_free_n(int scale, void *p, size_t n) {} 891556Srgrimes} 901556Srgrimes