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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file is a part of HWAddressSanitizer. 10 // 11 // Private Hwasan interface header. 12 //===----------------------------------------------------------------------===// 13 14 #ifndef HWASAN_INTERFACE_INTERNAL_H 15 #define HWASAN_INTERFACE_INTERNAL_H 16 17 #include "sanitizer_common/sanitizer_internal_defs.h" 18 #include "sanitizer_common/sanitizer_platform_limits_posix.h" 19 #include <link.h> 20 21 extern "C" { 22 23 SANITIZER_INTERFACE_ATTRIBUTE 24 void __hwasan_init_static(); 25 26 SANITIZER_INTERFACE_ATTRIBUTE 27 void __hwasan_init(); 28 29 SANITIZER_INTERFACE_ATTRIBUTE 30 void __hwasan_library_loaded(ElfW(Addr) base, const ElfW(Phdr) * phdr, 31 ElfW(Half) phnum); 32 33 SANITIZER_INTERFACE_ATTRIBUTE 34 void __hwasan_library_unloaded(ElfW(Addr) base, const ElfW(Phdr) * phdr, 35 ElfW(Half) phnum); 36 37 using __sanitizer::uptr; 38 using __sanitizer::sptr; 39 using __sanitizer::uu64; 40 using __sanitizer::uu32; 41 using __sanitizer::uu16; 42 using __sanitizer::u64; 43 using __sanitizer::u32; 44 using __sanitizer::u16; 45 using __sanitizer::u8; 46 47 SANITIZER_INTERFACE_ATTRIBUTE 48 void __hwasan_init_frames(uptr, uptr); 49 50 SANITIZER_INTERFACE_ATTRIBUTE 51 extern uptr __hwasan_shadow_memory_dynamic_address; 52 53 SANITIZER_INTERFACE_ATTRIBUTE 54 void __hwasan_loadN(uptr, uptr); 55 SANITIZER_INTERFACE_ATTRIBUTE 56 void __hwasan_load1(uptr); 57 SANITIZER_INTERFACE_ATTRIBUTE 58 void __hwasan_load2(uptr); 59 SANITIZER_INTERFACE_ATTRIBUTE 60 void __hwasan_load4(uptr); 61 SANITIZER_INTERFACE_ATTRIBUTE 62 void __hwasan_load8(uptr); 63 SANITIZER_INTERFACE_ATTRIBUTE 64 void __hwasan_load16(uptr); 65 66 SANITIZER_INTERFACE_ATTRIBUTE 67 void __hwasan_loadN_noabort(uptr, uptr); 68 SANITIZER_INTERFACE_ATTRIBUTE 69 void __hwasan_load1_noabort(uptr); 70 SANITIZER_INTERFACE_ATTRIBUTE 71 void __hwasan_load2_noabort(uptr); 72 SANITIZER_INTERFACE_ATTRIBUTE 73 void __hwasan_load4_noabort(uptr); 74 SANITIZER_INTERFACE_ATTRIBUTE 75 void __hwasan_load8_noabort(uptr); 76 SANITIZER_INTERFACE_ATTRIBUTE 77 void __hwasan_load16_noabort(uptr); 78 79 SANITIZER_INTERFACE_ATTRIBUTE 80 void __hwasan_loadN_match_all(uptr, uptr, u8); 81 SANITIZER_INTERFACE_ATTRIBUTE 82 void __hwasan_load1_match_all(uptr, u8); 83 SANITIZER_INTERFACE_ATTRIBUTE 84 void __hwasan_load2_match_all(uptr, u8); 85 SANITIZER_INTERFACE_ATTRIBUTE 86 void __hwasan_load4_match_all(uptr, u8); 87 SANITIZER_INTERFACE_ATTRIBUTE 88 void __hwasan_load8_match_all(uptr, u8); 89 SANITIZER_INTERFACE_ATTRIBUTE 90 void __hwasan_load16_match_all(uptr, u8); 91 92 SANITIZER_INTERFACE_ATTRIBUTE 93 void __hwasan_loadN_match_all_noabort(uptr, uptr, u8); 94 SANITIZER_INTERFACE_ATTRIBUTE 95 void __hwasan_load1_match_all_noabort(uptr, u8); 96 SANITIZER_INTERFACE_ATTRIBUTE 97 void __hwasan_load2_match_all_noabort(uptr, u8); 98 SANITIZER_INTERFACE_ATTRIBUTE 99 void __hwasan_load4_match_all_noabort(uptr, u8); 100 SANITIZER_INTERFACE_ATTRIBUTE 101 void __hwasan_load8_match_all_noabort(uptr, u8); 102 SANITIZER_INTERFACE_ATTRIBUTE 103 void __hwasan_load16_match_all_noabort(uptr, u8); 104 105 SANITIZER_INTERFACE_ATTRIBUTE 106 void __hwasan_storeN(uptr, uptr); 107 SANITIZER_INTERFACE_ATTRIBUTE 108 void __hwasan_store1(uptr); 109 SANITIZER_INTERFACE_ATTRIBUTE 110 void __hwasan_store2(uptr); 111 SANITIZER_INTERFACE_ATTRIBUTE 112 void __hwasan_store4(uptr); 113 SANITIZER_INTERFACE_ATTRIBUTE 114 void __hwasan_store8(uptr); 115 SANITIZER_INTERFACE_ATTRIBUTE 116 void __hwasan_store16(uptr); 117 118 SANITIZER_INTERFACE_ATTRIBUTE 119 void __hwasan_storeN_noabort(uptr, uptr); 120 SANITIZER_INTERFACE_ATTRIBUTE 121 void __hwasan_store1_noabort(uptr); 122 SANITIZER_INTERFACE_ATTRIBUTE 123 void __hwasan_store2_noabort(uptr); 124 SANITIZER_INTERFACE_ATTRIBUTE 125 void __hwasan_store4_noabort(uptr); 126 SANITIZER_INTERFACE_ATTRIBUTE 127 void __hwasan_store8_noabort(uptr); 128 SANITIZER_INTERFACE_ATTRIBUTE 129 void __hwasan_store16_noabort(uptr); 130 131 SANITIZER_INTERFACE_ATTRIBUTE 132 void __hwasan_storeN_match_all(uptr, uptr, u8); 133 SANITIZER_INTERFACE_ATTRIBUTE 134 void __hwasan_store1_match_all(uptr, u8); 135 SANITIZER_INTERFACE_ATTRIBUTE 136 void __hwasan_store2_match_all(uptr, u8); 137 SANITIZER_INTERFACE_ATTRIBUTE 138 void __hwasan_store4_match_all(uptr, u8); 139 SANITIZER_INTERFACE_ATTRIBUTE 140 void __hwasan_store8_match_all(uptr, u8); 141 SANITIZER_INTERFACE_ATTRIBUTE 142 void __hwasan_store16_match_all(uptr, u8); 143 144 SANITIZER_INTERFACE_ATTRIBUTE 145 void __hwasan_storeN_match_all_noabort(uptr, uptr, u8); 146 SANITIZER_INTERFACE_ATTRIBUTE 147 void __hwasan_store1_match_all_noabort(uptr, u8); 148 SANITIZER_INTERFACE_ATTRIBUTE 149 void __hwasan_store2_match_all_noabort(uptr, u8); 150 SANITIZER_INTERFACE_ATTRIBUTE 151 void __hwasan_store4_match_all_noabort(uptr, u8); 152 SANITIZER_INTERFACE_ATTRIBUTE 153 void __hwasan_store8_match_all_noabort(uptr, u8); 154 SANITIZER_INTERFACE_ATTRIBUTE 155 void __hwasan_store16_match_all_noabort(uptr, u8); 156 157 SANITIZER_INTERFACE_ATTRIBUTE 158 void __hwasan_tag_memory(uptr p, u8 tag, uptr sz); 159 160 SANITIZER_INTERFACE_ATTRIBUTE 161 uptr __hwasan_tag_pointer(uptr p, u8 tag); 162 163 SANITIZER_INTERFACE_ATTRIBUTE 164 u8 __hwasan_get_tag_from_pointer(uptr p); 165 166 SANITIZER_INTERFACE_ATTRIBUTE 167 void __hwasan_tag_mismatch(uptr addr, u8 ts); 168 169 SANITIZER_INTERFACE_ATTRIBUTE 170 void __hwasan_tag_mismatch4(uptr addr, uptr access_info, uptr *registers_frame, 171 size_t outsize); 172 173 SANITIZER_INTERFACE_ATTRIBUTE 174 u8 __hwasan_generate_tag(); 175 176 // Returns the offset of the first tag mismatch or -1 if the whole range is 177 // good. 178 SANITIZER_INTERFACE_ATTRIBUTE 179 sptr __hwasan_test_shadow(const void *x, uptr size); 180 181 SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE 182 /* OPTIONAL */ const char* __hwasan_default_options(); 183 184 SANITIZER_INTERFACE_ATTRIBUTE 185 void __hwasan_print_shadow(const void *x, uptr size); 186 187 SANITIZER_INTERFACE_ATTRIBUTE 188 void __hwasan_handle_longjmp(const void *sp_dst); 189 190 SANITIZER_INTERFACE_ATTRIBUTE 191 void __hwasan_handle_vfork(const void *sp_dst); 192 193 SANITIZER_INTERFACE_ATTRIBUTE 194 u16 __sanitizer_unaligned_load16(const uu16 *p); 195 196 SANITIZER_INTERFACE_ATTRIBUTE 197 u32 __sanitizer_unaligned_load32(const uu32 *p); 198 199 SANITIZER_INTERFACE_ATTRIBUTE 200 u64 __sanitizer_unaligned_load64(const uu64 *p); 201 202 SANITIZER_INTERFACE_ATTRIBUTE 203 void __sanitizer_unaligned_store16(uu16 *p, u16 x); 204 205 SANITIZER_INTERFACE_ATTRIBUTE 206 void __sanitizer_unaligned_store32(uu32 *p, u32 x); 207 208 SANITIZER_INTERFACE_ATTRIBUTE 209 void __sanitizer_unaligned_store64(uu64 *p, u64 x); 210 211 SANITIZER_INTERFACE_ATTRIBUTE 212 void __hwasan_enable_allocator_tagging(); 213 214 SANITIZER_INTERFACE_ATTRIBUTE 215 void __hwasan_disable_allocator_tagging(); 216 217 SANITIZER_INTERFACE_ATTRIBUTE 218 void __hwasan_thread_enter(); 219 220 SANITIZER_INTERFACE_ATTRIBUTE 221 void __hwasan_thread_exit(); 222 223 SANITIZER_INTERFACE_ATTRIBUTE 224 void __hwasan_print_memory_usage(); 225 226 // The compiler will generate this when 227 // `-hwasan-record-stack-history-with-calls` is added as a flag, which will add 228 // frame record information to the stack ring buffer. This is an alternative to 229 // the compiler emitting instructions in the prologue for doing the same thing 230 // by accessing the ring buffer directly. 231 SANITIZER_INTERFACE_ATTRIBUTE 232 void __hwasan_add_frame_record(u64 frame_record_info); 233 234 SANITIZER_INTERFACE_ATTRIBUTE 235 void *__hwasan_memcpy(void *dst, const void *src, uptr size); 236 SANITIZER_INTERFACE_ATTRIBUTE 237 void *__hwasan_memset(void *s, int c, uptr n); 238 SANITIZER_INTERFACE_ATTRIBUTE 239 void *__hwasan_memmove(void *dest, const void *src, uptr n); 240 241 SANITIZER_INTERFACE_ATTRIBUTE 242 void *__hwasan_memcpy_match_all(void *dst, const void *src, uptr size, u8); 243 SANITIZER_INTERFACE_ATTRIBUTE 244 void *__hwasan_memset_match_all(void *s, int c, uptr n, u8); 245 SANITIZER_INTERFACE_ATTRIBUTE 246 void *__hwasan_memmove_match_all(void *dest, const void *src, uptr n, u8); 247 248 SANITIZER_INTERFACE_ATTRIBUTE 249 void __hwasan_set_error_report_callback(void (*callback)(const char *)); 250 } // extern "C" 251 252 #endif // HWASAN_INTERFACE_INTERNAL_H 253