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1//===-- hwasan_interface_internal.h -----------------------------*- C++ -*-===//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// This file is a part of HWAddressSanitizer.10//11// Private Hwasan interface header.12//===----------------------------------------------------------------------===//13 14#ifndef HWASAN_INTERFACE_INTERNAL_H15#define HWASAN_INTERFACE_INTERNAL_H16 17#include "sanitizer_common/sanitizer_internal_defs.h"18#include "sanitizer_common/sanitizer_platform_limits_posix.h"19#include <link.h>20 21extern "C" {22 23SANITIZER_INTERFACE_ATTRIBUTE24void __hwasan_init_static();25 26SANITIZER_INTERFACE_ATTRIBUTE27void __hwasan_init();28 29SANITIZER_INTERFACE_ATTRIBUTE30void __hwasan_library_loaded(ElfW(Addr) base, const ElfW(Phdr) * phdr,31 ElfW(Half) phnum);32 33SANITIZER_INTERFACE_ATTRIBUTE34void __hwasan_library_unloaded(ElfW(Addr) base, const ElfW(Phdr) * phdr,35 ElfW(Half) phnum);36 37using __sanitizer::uptr;38using __sanitizer::sptr;39using __sanitizer::uu64;40using __sanitizer::uu32;41using __sanitizer::uu16;42using __sanitizer::u64;43using __sanitizer::u32;44using __sanitizer::u16;45using __sanitizer::u8;46 47SANITIZER_INTERFACE_ATTRIBUTE48void __hwasan_init_frames(uptr, uptr);49 50SANITIZER_INTERFACE_ATTRIBUTE51extern uptr __hwasan_shadow_memory_dynamic_address;52 53SANITIZER_INTERFACE_ATTRIBUTE54void __hwasan_loadN(uptr, uptr);55SANITIZER_INTERFACE_ATTRIBUTE56void __hwasan_load1(uptr);57SANITIZER_INTERFACE_ATTRIBUTE58void __hwasan_load2(uptr);59SANITIZER_INTERFACE_ATTRIBUTE60void __hwasan_load4(uptr);61SANITIZER_INTERFACE_ATTRIBUTE62void __hwasan_load8(uptr);63SANITIZER_INTERFACE_ATTRIBUTE64void __hwasan_load16(uptr);65 66SANITIZER_INTERFACE_ATTRIBUTE67void __hwasan_loadN_noabort(uptr, uptr);68SANITIZER_INTERFACE_ATTRIBUTE69void __hwasan_load1_noabort(uptr);70SANITIZER_INTERFACE_ATTRIBUTE71void __hwasan_load2_noabort(uptr);72SANITIZER_INTERFACE_ATTRIBUTE73void __hwasan_load4_noabort(uptr);74SANITIZER_INTERFACE_ATTRIBUTE75void __hwasan_load8_noabort(uptr);76SANITIZER_INTERFACE_ATTRIBUTE77void __hwasan_load16_noabort(uptr);78 79SANITIZER_INTERFACE_ATTRIBUTE80void __hwasan_loadN_match_all(uptr, uptr, u8);81SANITIZER_INTERFACE_ATTRIBUTE82void __hwasan_load1_match_all(uptr, u8);83SANITIZER_INTERFACE_ATTRIBUTE84void __hwasan_load2_match_all(uptr, u8);85SANITIZER_INTERFACE_ATTRIBUTE86void __hwasan_load4_match_all(uptr, u8);87SANITIZER_INTERFACE_ATTRIBUTE88void __hwasan_load8_match_all(uptr, u8);89SANITIZER_INTERFACE_ATTRIBUTE90void __hwasan_load16_match_all(uptr, u8);91 92SANITIZER_INTERFACE_ATTRIBUTE93void __hwasan_loadN_match_all_noabort(uptr, uptr, u8);94SANITIZER_INTERFACE_ATTRIBUTE95void __hwasan_load1_match_all_noabort(uptr, u8);96SANITIZER_INTERFACE_ATTRIBUTE97void __hwasan_load2_match_all_noabort(uptr, u8);98SANITIZER_INTERFACE_ATTRIBUTE99void __hwasan_load4_match_all_noabort(uptr, u8);100SANITIZER_INTERFACE_ATTRIBUTE101void __hwasan_load8_match_all_noabort(uptr, u8);102SANITIZER_INTERFACE_ATTRIBUTE103void __hwasan_load16_match_all_noabort(uptr, u8);104 105SANITIZER_INTERFACE_ATTRIBUTE106void __hwasan_storeN(uptr, uptr);107SANITIZER_INTERFACE_ATTRIBUTE108void __hwasan_store1(uptr);109SANITIZER_INTERFACE_ATTRIBUTE110void __hwasan_store2(uptr);111SANITIZER_INTERFACE_ATTRIBUTE112void __hwasan_store4(uptr);113SANITIZER_INTERFACE_ATTRIBUTE114void __hwasan_store8(uptr);115SANITIZER_INTERFACE_ATTRIBUTE116void __hwasan_store16(uptr);117 118SANITIZER_INTERFACE_ATTRIBUTE119void __hwasan_storeN_noabort(uptr, uptr);120SANITIZER_INTERFACE_ATTRIBUTE121void __hwasan_store1_noabort(uptr);122SANITIZER_INTERFACE_ATTRIBUTE123void __hwasan_store2_noabort(uptr);124SANITIZER_INTERFACE_ATTRIBUTE125void __hwasan_store4_noabort(uptr);126SANITIZER_INTERFACE_ATTRIBUTE127void __hwasan_store8_noabort(uptr);128SANITIZER_INTERFACE_ATTRIBUTE129void __hwasan_store16_noabort(uptr);130 131SANITIZER_INTERFACE_ATTRIBUTE132void __hwasan_storeN_match_all(uptr, uptr, u8);133SANITIZER_INTERFACE_ATTRIBUTE134void __hwasan_store1_match_all(uptr, u8);135SANITIZER_INTERFACE_ATTRIBUTE136void __hwasan_store2_match_all(uptr, u8);137SANITIZER_INTERFACE_ATTRIBUTE138void __hwasan_store4_match_all(uptr, u8);139SANITIZER_INTERFACE_ATTRIBUTE140void __hwasan_store8_match_all(uptr, u8);141SANITIZER_INTERFACE_ATTRIBUTE142void __hwasan_store16_match_all(uptr, u8);143 144SANITIZER_INTERFACE_ATTRIBUTE145void __hwasan_storeN_match_all_noabort(uptr, uptr, u8);146SANITIZER_INTERFACE_ATTRIBUTE147void __hwasan_store1_match_all_noabort(uptr, u8);148SANITIZER_INTERFACE_ATTRIBUTE149void __hwasan_store2_match_all_noabort(uptr, u8);150SANITIZER_INTERFACE_ATTRIBUTE151void __hwasan_store4_match_all_noabort(uptr, u8);152SANITIZER_INTERFACE_ATTRIBUTE153void __hwasan_store8_match_all_noabort(uptr, u8);154SANITIZER_INTERFACE_ATTRIBUTE155void __hwasan_store16_match_all_noabort(uptr, u8);156 157SANITIZER_INTERFACE_ATTRIBUTE158void __hwasan_tag_memory(uptr p, u8 tag, uptr sz);159 160SANITIZER_INTERFACE_ATTRIBUTE161uptr __hwasan_tag_pointer(uptr p, u8 tag);162 163SANITIZER_INTERFACE_ATTRIBUTE164u8 __hwasan_get_tag_from_pointer(uptr p);165 166SANITIZER_INTERFACE_ATTRIBUTE167void __hwasan_tag_mismatch(uptr addr, u8 ts);168 169SANITIZER_INTERFACE_ATTRIBUTE170void __hwasan_tag_mismatch4(uptr addr, uptr access_info, uptr *registers_frame,171 size_t outsize);172 173SANITIZER_INTERFACE_ATTRIBUTE174u8 __hwasan_generate_tag();175 176// Returns the offset of the first tag mismatch or -1 if the whole range is177// good.178SANITIZER_INTERFACE_ATTRIBUTE179sptr __hwasan_test_shadow(const void *x, uptr size);180 181SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE182/* OPTIONAL */ const char* __hwasan_default_options();183 184SANITIZER_INTERFACE_ATTRIBUTE185void __hwasan_print_shadow(const void *x, uptr size);186 187SANITIZER_INTERFACE_ATTRIBUTE188void __hwasan_handle_longjmp(const void *sp_dst);189 190SANITIZER_INTERFACE_ATTRIBUTE191void __hwasan_handle_vfork(const void *sp_dst);192 193SANITIZER_INTERFACE_ATTRIBUTE194u16 __sanitizer_unaligned_load16(const uu16 *p);195 196SANITIZER_INTERFACE_ATTRIBUTE197u32 __sanitizer_unaligned_load32(const uu32 *p);198 199SANITIZER_INTERFACE_ATTRIBUTE200u64 __sanitizer_unaligned_load64(const uu64 *p);201 202SANITIZER_INTERFACE_ATTRIBUTE203void __sanitizer_unaligned_store16(uu16 *p, u16 x);204 205SANITIZER_INTERFACE_ATTRIBUTE206void __sanitizer_unaligned_store32(uu32 *p, u32 x);207 208SANITIZER_INTERFACE_ATTRIBUTE209void __sanitizer_unaligned_store64(uu64 *p, u64 x);210 211SANITIZER_INTERFACE_ATTRIBUTE212void __hwasan_enable_allocator_tagging();213 214SANITIZER_INTERFACE_ATTRIBUTE215void __hwasan_disable_allocator_tagging();216 217SANITIZER_INTERFACE_ATTRIBUTE218void __hwasan_thread_enter();219 220SANITIZER_INTERFACE_ATTRIBUTE221void __hwasan_thread_exit();222 223SANITIZER_INTERFACE_ATTRIBUTE224void __hwasan_print_memory_usage();225 226// The compiler will generate this when227// `-hwasan-record-stack-history-with-calls` is added as a flag, which will add228// frame record information to the stack ring buffer. This is an alternative to229// the compiler emitting instructions in the prologue for doing the same thing230// by accessing the ring buffer directly.231SANITIZER_INTERFACE_ATTRIBUTE232void __hwasan_add_frame_record(u64 frame_record_info);233 234SANITIZER_INTERFACE_ATTRIBUTE235void *__hwasan_memcpy(void *dst, const void *src, uptr size);236SANITIZER_INTERFACE_ATTRIBUTE237void *__hwasan_memset(void *s, int c, uptr n);238SANITIZER_INTERFACE_ATTRIBUTE239void *__hwasan_memmove(void *dest, const void *src, uptr n);240 241SANITIZER_INTERFACE_ATTRIBUTE242void *__hwasan_memcpy_match_all(void *dst, const void *src, uptr size, u8);243SANITIZER_INTERFACE_ATTRIBUTE244void *__hwasan_memset_match_all(void *s, int c, uptr n, u8);245SANITIZER_INTERFACE_ATTRIBUTE246void *__hwasan_memmove_match_all(void *dest, const void *src, uptr n, u8);247 248SANITIZER_INTERFACE_ATTRIBUTE249void __hwasan_set_error_report_callback(void (*callback)(const char *));250 251// hwasan does not need fake stack, so we leave it empty here.252SANITIZER_INTERFACE_ATTRIBUTE253void __sanitizer_start_switch_fiber(void **, const void *bottom, uptr size);254SANITIZER_INTERFACE_ATTRIBUTE255void __sanitizer_finish_switch_fiber(void *, const void **bottom_old,256 uptr *size_old);257} // extern "C"258 259#endif // HWASAN_INTERFACE_INTERNAL_H260