1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LOS_LMS_PRI_H 33 #define _LOS_LMS_PRI_H 34 35 #include "los_lms.h" 36 #include "los_compiler.h" 37 #include "los_list.h" 38 #include "securec.h" 39 40 #ifdef __cplusplus 41 #if __cplusplus 42 extern "C" { 43 #endif /* __cplusplus */ 44 #endif /* __cplusplus */ 45 46 #define COMMON_ERRMODE 3 47 #define FREE_ERRORMODE 2 48 #define STORE_ERRMODE 1 49 #define LOAD_ERRMODE 0 50 51 #define SANITIZER_INTERFACE_ATTRIBUTE 52 #define ATTRIBUTE_NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address)) 53 54 #define LMS_SHADOW_BITS_PER_CELL 2 55 #define LMS_MEM_BYTES_PER_SHADOW_CELL 4 56 #define LMS_SHADOW_U8_CELL_NUM 4 57 #define LMS_SHADOW_U8_REFER_BYTES 16 58 59 #define LMS_POOL_RESIZE(size) ((size) / (LMS_SHADOW_U8_REFER_BYTES + 1) * LMS_SHADOW_U8_REFER_BYTES) 60 #define LMS_ADDR_ALIGN(p) (((UINTPTR)(p) + sizeof(UINTPTR) - 1) & ~((UINTPTR)(sizeof(UINTPTR) - 1))) 61 62 #define LMS_SHADOW_ACCESSIBLE 0x00 63 #define LMS_SHADOW_AFTERFREE 0x03 64 #define LMS_SHADOW_REDZONE 0x02 65 #define LMS_SHADOW_PAINT 0x01 66 #define LMS_SHADOW_MASK 0x03 67 68 #define LMS_SHADOW_ACCESSIBLE_U8 0x00 69 #define LMS_SHADOW_AFTERFREE_U8 0xFF 70 #define LMS_SHADOW_REDZONE_U8 0xAA 71 #define LMS_SHADOW_MASK_U8 0xFF 72 #define LMS_SHADOW_PAINT_U8 0x55 73 74 #define MEM_REGION_SIZE_1 1 75 #define MEM_REGION_SIZE_2 2 76 #define MEM_REGION_SIZE_4 4 77 #define MEM_REGION_SIZE_8 8 78 #define MEM_REGION_SIZE_16 16 79 80 typedef struct { 81 LOS_DL_LIST node; 82 UINT32 used; 83 UINTPTR poolAddr; 84 UINT32 poolSize; 85 UINTPTR shadowStart; 86 UINT32 shadowSize; 87 } LmsMemListNode; 88 89 typedef struct { 90 UINTPTR memAddr; 91 UINTPTR shadowAddr; 92 UINT32 shadowOffset; 93 UINT32 shadowValue; 94 } LmsAddrInfo; 95 96 typedef struct { 97 UINT32 (*init)(const VOID *pool, UINT32 size); 98 VOID (*deInit)(const VOID *pool); 99 VOID (*mallocMark)(const VOID *curNodeStart, const VOID *nextNodeStart, UINT32 nodeHeadSize); 100 VOID (*freeMark)(const VOID *curNodeStart, const VOID *nextNodeStart, UINT32 nodeHeadSize); 101 VOID (*simpleMark)(UINTPTR startAddr, UINTPTR endAddr, UINT32 value); 102 VOID (*check)(UINTPTR checkAddr, BOOL isFreeCheck); 103 } LmsHook; 104 extern LmsHook* g_lms; 105 106 VOID OsLmsInit(VOID); 107 VOID OsLmsCheckValid(UINTPTR checkAddr, BOOL isFreeCheck); 108 VOID OsLmsLosMallocMark(const VOID *curNodeStart, const VOID *nextNodeStart, UINT32 nodeHeadSize); 109 VOID OsLmsLosFreeMark(const VOID *curNodeStart, const VOID *nextNodeStart, UINT32 nodeHeadSize); 110 VOID OsLmsSimpleMark(UINTPTR startAddr, UINTPTR endAddr, UINT32 value); 111 112 VOID OsLmsPrintPoolListInfo(VOID); 113 VOID OsLmsReportError(UINTPTR p, UINT32 size, UINT32 errMod); 114 115 VOID CheckValid(const CHAR *dest, const CHAR *src); 116 117 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_store1_noabort(UINTPTR p); 118 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_store4_noabort(UINTPTR p); 119 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_load4_noabort(UINTPTR p); 120 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_load1_noabort(UINTPTR p); 121 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_loadN_noabort(UINTPTR p, UINT32 size); 122 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_storeN_noabort(UINTPTR p, UINT32 size); 123 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_store2_noabort(UINTPTR p); 124 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_load2_noabort(UINTPTR p); 125 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_store8_noabort(UINTPTR p); 126 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_load8_noabort(UINTPTR p); 127 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_load16_noabort(UINTPTR p); 128 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_store16_noabort(UINTPTR p); 129 extern SANITIZER_INTERFACE_ATTRIBUTE VOID __asan_handle_no_return(VOID); 130 131 #ifdef __cplusplus 132 #if __cplusplus 133 } 134 #endif /* __cplusplus */ 135 #endif /* __cplusplus */ 136 137 #endif /* _LOS_LMS_PRI_H */ 138