1 //===-- asan_mapping_myriad.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 AddressSanitizer, an address sanity checker. 10 // 11 // Myriad-specific definitions for ASan memory mapping. 12 //===----------------------------------------------------------------------===// 13 #ifndef ASAN_MAPPING_MYRIAD_H 14 #define ASAN_MAPPING_MYRIAD_H 15 16 #define RAW_ADDR(mem) ((mem) & ~kMyriadCacheBitMask32) 17 #define MEM_TO_SHADOW(mem) \ 18 (((RAW_ADDR(mem) - kLowMemBeg) >> SHADOW_SCALE) + (SHADOW_OFFSET)) 19 20 #define kLowMemBeg kMyriadMemoryOffset32 21 #define kLowMemEnd (SHADOW_OFFSET - 1) 22 23 #define kLowShadowBeg SHADOW_OFFSET 24 #define kLowShadowEnd MEM_TO_SHADOW(kLowMemEnd) 25 26 #define kHighMemBeg 0 27 28 #define kHighShadowBeg 0 29 #define kHighShadowEnd 0 30 31 #define kMidShadowBeg 0 32 #define kMidShadowEnd 0 33 34 #define kShadowGapBeg (kLowShadowEnd + 1) 35 #define kShadowGapEnd kMyriadMemoryEnd32 36 37 #define kShadowGap2Beg 0 38 #define kShadowGap2End 0 39 40 #define kShadowGap3Beg 0 41 #define kShadowGap3End 0 42 43 namespace __asan { 44 AddrIsInLowMem(uptr a)45static inline bool AddrIsInLowMem(uptr a) { 46 PROFILE_ASAN_MAPPING(); 47 a = RAW_ADDR(a); 48 return a >= kLowMemBeg && a <= kLowMemEnd; 49 } 50 AddrIsInLowShadow(uptr a)51static inline bool AddrIsInLowShadow(uptr a) { 52 PROFILE_ASAN_MAPPING(); 53 a = RAW_ADDR(a); 54 return a >= kLowShadowBeg && a <= kLowShadowEnd; 55 } 56 AddrIsInMidMem(uptr a)57static inline bool AddrIsInMidMem(uptr a) { 58 PROFILE_ASAN_MAPPING(); 59 return false; 60 } 61 AddrIsInMidShadow(uptr a)62static inline bool AddrIsInMidShadow(uptr a) { 63 PROFILE_ASAN_MAPPING(); 64 return false; 65 } 66 AddrIsInHighMem(uptr a)67static inline bool AddrIsInHighMem(uptr a) { 68 PROFILE_ASAN_MAPPING(); 69 return false; 70 } 71 AddrIsInHighShadow(uptr a)72static inline bool AddrIsInHighShadow(uptr a) { 73 PROFILE_ASAN_MAPPING(); 74 return false; 75 } 76 AddrIsInShadowGap(uptr a)77static inline bool AddrIsInShadowGap(uptr a) { 78 PROFILE_ASAN_MAPPING(); 79 a = RAW_ADDR(a); 80 return a >= kShadowGapBeg && a <= kShadowGapEnd; 81 } 82 83 } // namespace __asan 84 85 #endif // ASAN_MAPPING_MYRIAD_H 86