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1 //===-- asan_mapping_myriad.h -----------------------------------*- C++ -*-===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This file is a part of AddressSanitizer, an address sanity checker.
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10 //
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11 // Myriad-specific definitions for ASan memory mapping.
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12 //===----------------------------------------------------------------------===//
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13 #ifndef ASAN_MAPPING_MYRIAD_H
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14 #define ASAN_MAPPING_MYRIAD_H
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15
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16 #define RAW_ADDR(mem) ((mem) & ~kMyriadCacheBitMask32)
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17 #define MEM_TO_SHADOW(mem) \
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18 (((RAW_ADDR(mem) - kLowMemBeg) >> SHADOW_SCALE) + (SHADOW_OFFSET))
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19
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20 #define kLowMemBeg kMyriadMemoryOffset32
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21 #define kLowMemEnd (SHADOW_OFFSET - 1)
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22
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23 #define kLowShadowBeg SHADOW_OFFSET
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24 #define kLowShadowEnd MEM_TO_SHADOW(kLowMemEnd)
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25
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26 #define kHighMemBeg 0
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27
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28 #define kHighShadowBeg 0
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29 #define kHighShadowEnd 0
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30
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31 #define kMidShadowBeg 0
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32 #define kMidShadowEnd 0
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33
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34 #define kShadowGapBeg (kLowShadowEnd + 1)
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35 #define kShadowGapEnd kMyriadMemoryEnd32
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36
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37 #define kShadowGap2Beg 0
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38 #define kShadowGap2End 0
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39
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40 #define kShadowGap3Beg 0
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41 #define kShadowGap3End 0
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42
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43 namespace __asan {
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44
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45 static inline bool AddrIsInLowMem(uptr a) {
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46 PROFILE_ASAN_MAPPING();
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47 a = RAW_ADDR(a);
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48 return a >= kLowMemBeg && a <= kLowMemEnd;
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49 }
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50
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51 static inline bool AddrIsInLowShadow(uptr a) {
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52 PROFILE_ASAN_MAPPING();
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53 a = RAW_ADDR(a);
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54 return a >= kLowShadowBeg && a <= kLowShadowEnd;
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55 }
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56
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57 static inline bool AddrIsInMidMem(uptr a) {
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58 PROFILE_ASAN_MAPPING();
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59 return false;
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60 }
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61
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62 static inline bool AddrIsInMidShadow(uptr a) {
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63 PROFILE_ASAN_MAPPING();
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64 return false;
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65 }
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66
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67 static inline bool AddrIsInHighMem(uptr a) {
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68 PROFILE_ASAN_MAPPING();
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69 return false;
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70 }
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71
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72 static inline bool AddrIsInHighShadow(uptr a) {
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73 PROFILE_ASAN_MAPPING();
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74 return false;
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75 }
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76
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77 static inline bool AddrIsInShadowGap(uptr a) {
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78 PROFILE_ASAN_MAPPING();
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79 a = RAW_ADDR(a);
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80 return a >= kShadowGapBeg && a <= kShadowGapEnd;
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81 }
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82
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83 } // namespace __asan
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84
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85 #endif // ASAN_MAPPING_MYRIAD_H
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