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 43namespace __asan { 44 45static inline bool AddrIsInLowMem(uptr a) { 46 PROFILE_ASAN_MAPPING(); 47 a = RAW_ADDR(a); 48 return a >= kLowMemBeg && a <= kLowMemEnd; 49} 50 51static inline bool AddrIsInLowShadow(uptr a) { 52 PROFILE_ASAN_MAPPING(); 53 a = RAW_ADDR(a); 54 return a >= kLowShadowBeg && a <= kLowShadowEnd; 55} 56 57static inline bool AddrIsInMidMem(uptr a) { 58 PROFILE_ASAN_MAPPING(); 59 return false; 60} 61 62static inline bool AddrIsInMidShadow(uptr a) { 63 PROFILE_ASAN_MAPPING(); 64 return false; 65} 66 67static inline bool AddrIsInHighMem(uptr a) { 68 PROFILE_ASAN_MAPPING(); 69 return false; 70} 71 72static inline bool AddrIsInHighShadow(uptr a) { 73 PROFILE_ASAN_MAPPING(); 74 return false; 75} 76 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