26 |
26 |
27 // User includes |
27 // User includes |
28 #include "MemSpyDriverObjectsInternal.h" |
28 #include "MemSpyDriverObjectsInternal.h" |
29 |
29 |
30 // Constants |
30 // Constants |
31 // We shouldn't be using any of these any more! -Tomsci |
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32 const TUint KRHeapObjectSize = 0x74; |
31 const TUint KRHeapObjectSize = 0x74; |
33 const TUint KRAllocatorAndRHeapMemberDataOffset = 4; // 4 bytes past start of allocator address, i.e. skipping the vtable |
32 const TUint KRAllocatorAndRHeapMemberDataOffset = 4; // 4 bytes past start of allocator address, i.e. skipping the vtable |
34 const TUint KRHeapMemberDataSize = KRHeapObjectSize - KRAllocatorAndRHeapMemberDataOffset; |
33 const TUint KRHeapMemberDataSize = KRHeapObjectSize - KRAllocatorAndRHeapMemberDataOffset; |
35 |
34 |
36 // Classes referenced |
35 // Classes referenced |
37 class DMemSpyDriverOSAdaption; |
36 class DMemSpyDriverOSAdaption; |
38 namespace LtkUtils |
37 |
39 { |
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40 class RAllocatorHelper; |
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41 } |
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42 |
38 |
43 /** |
39 /** |
44 * Essentially a mirror of RAllocator and RHeap's layout. |
40 * Essentially a mirror of RAllocator and RHeap's layout. |
45 */ |
41 */ |
46 class RMemSpyDriverRHeapBase |
42 class RMemSpyDriverRHeapBase |
47 { |
43 { |
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44 public: |
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45 struct SCell |
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46 { |
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47 TInt len; |
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48 SCell* next; |
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49 }; |
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50 |
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51 struct SDebugCell |
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52 { |
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53 TInt len; |
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54 TInt nestingLevel; |
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55 TInt allocCount; |
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56 }; |
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57 |
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58 struct _s_align {char c; double d;}; |
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59 |
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60 struct SHeapCellInfo { RHeap* iHeap; TInt iTotalAlloc; TInt iTotalAllocSize; TInt iTotalFree; TInt iLevelAlloc; SDebugCell* iStranded; }; |
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61 |
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62 enum {ECellAlignment = sizeof(_s_align)-sizeof(double)}; |
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63 enum {EFreeCellSize = sizeof(SCell)}; |
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64 enum TDebugOp {EWalk=128}; |
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65 enum TCellType |
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66 {EGoodAllocatedCell, EGoodFreeCell, EBadAllocatedCellSize, EBadAllocatedCellAddress, |
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67 EBadFreeCellAddress, EBadFreeCellSize}; |
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68 |
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69 enum TDebugHeapId {EUser=0, EKernel=1}; |
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70 |
48 protected: |
71 protected: |
49 RMemSpyDriverRHeapBase(); |
72 RMemSpyDriverRHeapBase(); |
50 |
73 |
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74 public: // Inlines |
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75 inline TUint8* Base() const { return iBase; } |
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76 inline TInt Size() const { return iTop - iBase; } |
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77 inline TInt MaxLength() const { return iMaxLength; } |
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78 |
51 public: // API |
79 public: // API |
52 void PrintInfo(); |
80 void PrintInfo(); |
53 LtkUtils::RAllocatorHelper* Helper(); |
81 void CopyObjectDataTo( TMemSpyHeapObjectDataRHeap& aData ); |
54 TMemSpyHeapInfo::THeapImplementationType GetTypeFromHelper() const; |
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55 |
82 |
56 public: // Virtual API |
83 public: // Virtual API |
57 virtual void Reset(); |
84 virtual void Reset(); |
58 virtual void Close(); |
85 virtual void AssociateWithKernelChunk( DChunk* aChunk, TLinAddr aAddress, TUint32 aMappingAttributes ) = 0; |
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86 virtual void DisassociateWithKernelChunk() = 0; |
59 virtual DChunk& Chunk() = 0; |
87 virtual DChunk& Chunk() = 0; |
60 virtual const DChunk& Chunk() const = 0; |
88 virtual const DChunk& Chunk() const = 0; |
61 |
89 virtual TLinAddr ChunkKernelAddress() const = 0; |
62 protected: |
90 virtual TBool ChunkIsInitialised() const = 0; |
63 LtkUtils::RAllocatorHelper* iHelper; |
91 virtual TUint ClientToKernelDelta() const = 0; |
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92 virtual void GetHeapSpecificInfo( TMemSpyHeapInfo& /*aInfo*/ ) const { } |
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93 |
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94 public: // Utilities |
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95 TBool CheckCell( TAny* aCellAddress, TInt aLength ) const; |
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96 static TInt AllocatedCellHeaderSize( TBool aDebugLibrary ); |
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97 static TInt FreeCellHeaderSize(); |
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98 static TInt CellHeaderSize( const TMemSpyDriverInternalWalkHeapParamsCell& aCell, TBool aDebugEUser ); |
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99 |
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100 public: // From RAllocator |
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101 TInt iAccessCount; |
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102 TInt iHandleCount; |
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103 TInt* iHandles; |
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104 TUint32 iFlags; |
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105 TInt iCellCount; |
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106 TInt iTotalAllocSize; |
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107 |
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108 public: // From RHeap |
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109 TInt iMinLength; |
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110 TInt iMaxLength; |
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111 TInt iOffset; |
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112 TInt iGrowBy; |
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113 TInt iChunkHandle; |
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114 RFastLock iLock; |
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115 TUint8* iBase; |
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116 TUint8* iTop; |
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117 TInt iAlign; |
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118 TInt iMinCell; |
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119 TInt iPageSize; |
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120 SCell iFree; |
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121 TInt iNestingLevel; |
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122 TInt iAllocCount; |
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123 RAllocator::TAllocFail iFailType; |
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124 TInt iFailRate; |
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125 TBool iFailed; |
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126 TInt iFailAllocCount; |
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127 TInt iRand; |
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128 TAny* iTestData; |
64 }; |
129 }; |
65 |
130 |
66 |
131 |
67 |
132 |
68 |
133 |
70 { |
135 { |
71 protected: |
136 protected: |
72 RMemSpyDriverRHeapReadFromCopy( DMemSpyDriverOSAdaption& aOSAdaption ); |
137 RMemSpyDriverRHeapReadFromCopy( DMemSpyDriverOSAdaption& aOSAdaption ); |
73 |
138 |
74 public: // New API |
139 public: // New API |
75 void AssociateWithKernelChunk( DChunk* aChunk, TLinAddr aAddress, TUint32 aMappingAttributes ); |
140 TInt ReadFromUserAllocator( DThread& aThread ); |
76 |
141 |
77 public: // From RMemSpyDriverRHeapBase |
142 public: // From RMemSpyDriverRHeapBase |
78 void Reset(); |
143 void Reset(); |
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144 void AssociateWithKernelChunk( DChunk* aChunk, TLinAddr aAddress, TUint32 aMappingAttributes ); |
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145 void DisassociateWithKernelChunk(); |
79 DChunk& Chunk(); |
146 DChunk& Chunk(); |
80 const DChunk& Chunk() const; |
147 const DChunk& Chunk() const; |
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148 TLinAddr ChunkKernelAddress() const; |
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149 TBool ChunkIsInitialised() const; |
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150 TUint ClientToKernelDelta() const; |
81 |
151 |
82 protected: |
152 protected: |
83 inline DMemSpyDriverOSAdaption& OSAdaption() { return iOSAdaption; } |
153 inline DMemSpyDriverOSAdaption& OSAdaption() { return iOSAdaption; } |
84 |
154 |
85 private: |
155 private: |
90 TLinAddr iChunkAddress; |
160 TLinAddr iChunkAddress; |
91 TUint32 iChunkMappingAttributes; |
161 TUint32 iChunkMappingAttributes; |
92 |
162 |
93 // Calculated delta between client's address space values and actual kernel |
163 // Calculated delta between client's address space values and actual kernel |
94 // address of the heap chunk. |
164 // address of the heap chunk. |
95 //TUint iClientToKernelDelta; |
165 TUint iClientToKernelDelta; |
96 }; |
166 }; |
97 |
167 |
98 |
168 |
99 |
169 |
100 |
170 |
101 |
171 |
102 |
172 |
103 |
173 |
104 class RMemSpyDriverRHeapUser : public RMemSpyDriverRHeapBase |
174 class RMemSpyDriverRHeapUser : public RMemSpyDriverRHeapReadFromCopy |
105 { |
175 { |
106 public: |
176 public: |
107 RMemSpyDriverRHeapUser( DMemSpyDriverOSAdaption& aOSAdaption ); |
177 RMemSpyDriverRHeapUser( DMemSpyDriverOSAdaption& aOSAdaption ); |
108 TInt OpenUserHeap(DThread& aThread, TBool aEuserUdeb); |
178 |
109 |
179 public: // New API |
110 DChunk& Chunk() { return *iChunk; } |
180 TInt ReadFromUserAllocator( DThread& aThread ); |
111 const DChunk& Chunk() const { return *iChunk; } |
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112 |
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113 private: |
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114 inline DMemSpyDriverOSAdaption& OSAdaption() { return iOSAdaption; } |
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115 |
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116 private: |
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117 DMemSpyDriverOSAdaption& iOSAdaption; |
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118 DChunk* iChunk; |
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119 }; |
181 }; |
120 |
182 |
121 |
183 |
122 |
184 |
123 class RMemSpyDriverRHeapKernelFromCopy : public RMemSpyDriverRHeapReadFromCopy |
185 class RMemSpyDriverRHeapKernelFromCopy : public RMemSpyDriverRHeapReadFromCopy |
140 |
202 |
141 class RMemSpyDriverRHeapKernelInPlace : public RMemSpyDriverRHeapBase |
203 class RMemSpyDriverRHeapKernelInPlace : public RMemSpyDriverRHeapBase |
142 { |
204 { |
143 public: |
205 public: |
144 RMemSpyDriverRHeapKernelInPlace(); |
206 RMemSpyDriverRHeapKernelInPlace(); |
145 TInt OpenKernelHeap(); |
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146 |
207 |
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208 public: // API |
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209 void FailNext(); |
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210 void SetKernelHeap( RHeapK& aKernelHeap ); |
147 |
211 |
148 public: // From RMemSpyDriverRHeapBase |
212 public: // From RMemSpyDriverRHeapBase |
149 void Close(); |
213 void Reset(); |
150 |
214 void AssociateWithKernelChunk( DChunk* aChunk, TLinAddr aAddress, TUint32 aMappingAttributes ); |
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215 void DisassociateWithKernelChunk(); |
151 DChunk& Chunk(); |
216 DChunk& Chunk(); |
152 const DChunk& Chunk() const; |
217 const DChunk& Chunk() const; |
153 |
218 TLinAddr ChunkKernelAddress() const; |
154 // Only important member data is the base class's RAllocatorHelper |
219 TBool ChunkIsInitialised() const; |
155 // We do cache the chunk though |
220 TUint ClientToKernelDelta() const; |
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221 void GetHeapSpecificInfo( TMemSpyHeapInfo& aInfo ) const; |
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222 |
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223 private: // Internal methods |
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224 void CopyMembersFromKernelHeap(); |
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225 |
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226 private: // Internal class |
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227 |
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228 /** |
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229 * Used when opening the kernel heap |
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230 */ |
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231 #ifndef __SYMBIAN_KERNEL_HYBRID_HEAP__ |
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232 class RHeapKExtended : public RHeapK |
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233 { |
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234 public: |
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235 inline void FailNext() |
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236 { |
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237 SetFailType( RAllocator::EFailNext ); |
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238 SetFailRate( 1 ); |
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239 ResetFailed(); |
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240 ResetFailAllocCount(); |
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241 } |
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242 inline void SetFailType( TAllocFail aType ) { iFailType = aType; } |
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243 inline void SetFailRate( TInt aRate ) { iFailRate = aRate; } |
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244 inline void ResetFailed() { iFailed = EFalse; } |
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245 inline void ResetFailAllocCount() { iFailAllocCount = 0; } |
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246 }; |
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247 #endif |
156 private: |
248 private: |
157 DChunk* iChunk; |
249 RHeapK* iKernelHeap; |
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250 DChunk* iChunk; |
158 }; |
251 }; |
159 |
252 |
160 |
253 |
161 #endif |
254 #endif |