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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include "MemSpyDriverLogChanHeapBase.h" |
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19 |
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20 // System includes |
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21 #include <u32hal.h> |
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22 #include <e32rom.h> |
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23 #include <memspy/driver/memspydriverobjectsshared.h> |
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24 |
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25 // Shared includes |
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26 #include "MemSpyDriverOpCodes.h" |
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27 #include "MemSpyDriverObjectsInternal.h" |
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28 |
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29 // User includes |
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30 #include "MemSpyDriverHeap.h" |
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31 #include "MemSpyDriverUtils.h" |
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32 #include "MemSpyDriverDevice.h" |
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33 #include "MemSpyDriverOSAdaption.h" |
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34 |
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35 // Constants |
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36 const TInt KMemSpyDriverLogChanHeapBaseXferBufferSize = 1024 * 16; |
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37 |
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38 |
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39 |
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40 |
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41 DMemSpyDriverLogChanHeapBase::DMemSpyDriverLogChanHeapBase( DMemSpyDriverDevice& aDevice, DThread& aThread ) |
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42 : DMemSpyDriverLogChanBase( aDevice, aThread ) |
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43 { |
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44 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::DMemSpyDriverLogChanHeapBase() - this: 0x%08x", this )); |
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45 } |
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46 |
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47 |
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48 DMemSpyDriverLogChanHeapBase::~DMemSpyDriverLogChanHeapBase() |
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49 { |
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50 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::~DMemSpyDriverLogChanHeapBase() - START - this: 0x%08x", this )); |
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51 |
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52 ReleaseFreeCells(); |
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53 |
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54 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::~DMemSpyDriverLogChanHeapBase() - END - this: 0x%08x", this )); |
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55 } |
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56 |
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57 |
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58 TInt DMemSpyDriverLogChanHeapBase::Construct() |
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59 { |
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60 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::Construct() - START - this: 0x%08x", this )); |
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61 |
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62 const TInt ret = BaseConstruct( KMemSpyDriverLogChanHeapBaseXferBufferSize ); |
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63 |
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64 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::Construct() - END - this: 0x%08x, err: %d", this, ret )); |
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65 return ret; |
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66 } |
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67 |
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68 |
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73 |
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76 |
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77 |
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78 TInt DMemSpyDriverLogChanHeapBase::Request( TInt aFunction, TAny* a1, TAny* a2 ) |
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79 { |
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80 const TInt r = DMemSpyDriverLogChanBase::Request( aFunction, a1, a2 ); |
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81 return r; |
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82 } |
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83 |
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84 |
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94 |
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95 |
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96 DMemSpyDriverLogChanHeapBase::TDrmMatchType DMemSpyDriverLogChanHeapBase::IsDrmThread( DThread& aThread ) |
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97 { |
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98 TDrmMatchType ret = EMatchTypeNone; |
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99 // |
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100 const TUid procUid = aThread.iOwningProcess->iUids.iUid[ 2 ]; |
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101 TRACE( Kern::Printf( "DMemSpyDriverLogChanHeapBase::IsDrmThread() - START - aThread: %O, process uid: 0x%08x", &aThread, procUid.iUid )); |
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102 |
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103 // Some more rudimentary checks based upon process name and |
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104 // known uids. |
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105 TFullName fullName; |
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106 aThread.FullName( fullName ); |
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107 |
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108 // Exclude threads containing "DRM" |
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109 _LIT( KDrmThreadMatchText, "*DRM*" ); |
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110 const TInt matchPos = fullName.MatchF( KDrmThreadMatchText ); |
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111 if ( matchPos >= 0 ) |
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112 { |
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113 TRACE( Kern::Printf( "DMemSpyDriverLogChanHeapBase::IsDrmThread() - found \'DRM\' at pos: %d (%S)", matchPos, &fullName )); |
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114 ret = EMatchTypeName; |
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115 } |
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116 else |
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117 { |
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118 // Some known DRM related process UIDs |
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119 switch( procUid.iUid ) |
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120 { |
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121 case 0x10005A22: // DRMEncryptor.exe |
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122 case 0x01105901: // DRMEncryptor.exe |
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123 case 0x101F85C7: // DRMRightsManager.exe |
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124 case 0x10205CA8: // DcfRepSrv.exe |
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125 case 0x101F51F2: // RightsServer.exe |
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126 case 0x101F6DC5: // DRMHelperServer.exe |
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127 case 0x10282F1B: // wmdrmserver.exe |
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128 ret = EMatchTypeUid; |
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129 break; |
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130 default: |
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131 ret = EMatchTypeNone; |
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132 break; |
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133 } |
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134 } |
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135 |
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136 TRACE( Kern::Printf( "DMemSpyDriverLogChanHeapBase::IsDrmThread() - END - procUid: 0x%08x, matchType: %d", procUid.iUid, ret )); |
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137 return ret; |
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138 } |
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175 |
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176 TInt DMemSpyDriverLogChanHeapBase::OpenUserHeap( DThread& aClientThread, TUint aExpectedHeapVTable, RMemSpyDriverRHeapUser& aHeap, DChunk*& aUserHeapChunk, TDes8* aClientHeapChunkName ) |
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177 { |
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178 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap() - START - aHeap.ChunkIsInitialised: %d, aExpectedHeapVTable: 0x%08x, aClientThread: %O", aHeap.ChunkIsInitialised(), aExpectedHeapVTable, &aClientThread )); |
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179 __ASSERT_ALWAYS( aHeap.ChunkIsInitialised() == EFalse, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapChunkAlreadyCloned ) ); |
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180 |
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181 TInt r = KErrNotFound; |
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182 aUserHeapChunk = NULL; |
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183 |
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184 NKern::ThreadEnterCS(); |
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185 |
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186 const TBool allocatorIsReallyRHeap = GetUserHeapHandle( aClientThread, aHeap, aExpectedHeapVTable ); |
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187 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - allocatorIsReallyRHeap: %d", allocatorIsReallyRHeap)); |
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188 |
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189 if ( allocatorIsReallyRHeap ) |
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190 { |
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191 RAllocator* allocator = OSAdaption().DThread().GetAllocator( aClientThread ); |
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192 |
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193 // Open client's heap chunk in order to read it's dimensions |
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194 const TInt clientsHeapChunkHandle = aHeap.iChunkHandle; |
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195 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - clientsHeapChunkHandle: 0x%08x, allocatorAddress: 0x%08x", clientsHeapChunkHandle, allocator)); |
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196 |
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197 NKern::LockSystem(); |
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198 DChunk* clientsHeapChunk = (DChunk*) Kern::ObjectFromHandle( &aClientThread, clientsHeapChunkHandle, EChunk ); |
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199 NKern::UnlockSystem(); |
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200 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - clientsHeapChunk: 0x%08x", clientsHeapChunk )); |
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201 |
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202 if ( clientsHeapChunk != NULL ) |
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203 { |
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204 // Get the chunk name (if the caller asked for it) |
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205 if ( aClientHeapChunkName ) |
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206 { |
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207 clientsHeapChunk->FullName( *aClientHeapChunkName ); |
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208 } |
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209 |
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210 // Update the heap chunk pointer. We do this now because this |
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211 // should point to the _real_ user-side heap chunk, rather than |
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212 // the copy of the chunk that we are about to make. |
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213 aUserHeapChunk = clientsHeapChunk; |
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214 |
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215 // Set up ourselves to duplicate their heap chunk |
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216 const TInt clientsHeapChunkSize = OSAdaption().DChunk().GetSize( *clientsHeapChunk ); |
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217 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - chunkBase: 0x%08x, size: %8d, maxLen: %8d, chunk: %O", clientsHeapChunk->iBase, clientsHeapChunkSize, clientsHeapChunk->iMaxSize, clientsHeapChunk )); |
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218 |
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219 // Make a new chunk that is the same size, owned by this thread. |
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220 TChunkCreateInfo info; |
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221 info.iType = TChunkCreateInfo::ESharedKernelSingle; |
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222 info.iMaxSize = clientsHeapChunkSize; |
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223 info.iOwnsMemory = ETrue; // Use memory from system's free pool |
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224 info.iDestroyedDfc = NULL; |
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225 #ifdef __EPOC32__ |
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226 info.iMapAttr = (TInt)EMapAttrFullyBlocking; // Full caching |
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227 #endif |
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228 |
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229 // Holds a copy of the client's heap chunk |
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230 DChunk* heapCopyChunk; |
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231 TLinAddr heapCopyChunkAddress; |
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232 TUint32 heapCopyChunkMappingAttributes; |
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233 r = Kern::ChunkCreate( info, heapCopyChunk, heapCopyChunkAddress, heapCopyChunkMappingAttributes ); |
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234 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - creating chunk returned: %d", r)); |
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235 // |
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236 if ( r == KErrNone ) |
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237 { |
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238 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - copy chunk base: 0x%08x, heapCopyChunkAddress: 0x%08x", heapCopyChunk->iBase, heapCopyChunkAddress)); |
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239 |
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240 // Commit memory for entire buffer |
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241 TUint32 physicalAddress = 0; |
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242 r = Kern::ChunkCommitContiguous( heapCopyChunk, 0, clientsHeapChunkSize, physicalAddress ); |
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243 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - commiting chunk returned: %d", r)); |
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244 |
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245 if ( r != KErrNone) |
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246 { |
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247 // On error, thow away the chunk we have created |
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248 Kern::ChunkClose( heapCopyChunk ); |
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249 heapCopyChunk = NULL; |
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250 } |
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251 else |
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252 { |
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253 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - heapCopyChunk->iSize: 0x%08x, heapCopyChunk->iBase: 0x%08x, heapCopyChunkAddress: 0x%08x, physicalAddress: 0x%08x", heapCopyChunk->iSize, heapCopyChunk->iBase, heapCopyChunkAddress, physicalAddress)); |
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254 |
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255 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - trying to copy %d bytes from clients allocator address of 0x%08x", clientsHeapChunkSize, allocator )); |
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256 r = Kern::ThreadRawRead( &aClientThread, allocator, (TAny*) heapCopyChunkAddress, clientsHeapChunkSize ); |
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257 |
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258 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - read result of clients heap data is: %d", r)); |
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259 if ( r == KErrNone ) |
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260 { |
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261 // Transfer ownership of the copy heap chunk to the heap object. This also calculates the delta |
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262 // beween the heap addresses in the client's address space and the kernel address space. |
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263 aHeap.AssociateWithKernelChunk( heapCopyChunk, heapCopyChunkAddress, heapCopyChunkMappingAttributes ); |
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264 } |
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265 } |
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266 } |
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267 } |
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268 else |
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269 { |
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270 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - could not open clients heap chunk by its handle" ) ); |
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271 r = KErrNotFound; |
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272 } |
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273 } |
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274 else |
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275 { |
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276 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - clients heap is not an RHeap (allocated vTable mismatch)" ) ); |
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277 r = KErrNotSupported; |
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278 } |
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279 |
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280 NKern::ThreadLeaveCS(); |
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281 |
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282 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - r: %d", r )); |
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283 return r; |
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284 } |
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307 |
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308 TBool DMemSpyDriverLogChanHeapBase::GetUserHeapHandle( DThread& aThread, RMemSpyDriverRHeapUser& aHeap, TUint aExpectedVTable ) |
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309 { |
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310 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle() - START - aExpectedVTable: 0x%08x", aExpectedVTable) ); |
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311 |
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312 RAllocator* allocator = OSAdaption().DThread().GetAllocator( aThread ); |
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313 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - allocator addr: 0x%08x", allocator) ); |
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314 TUint* pAllocator = (TUint*) allocator; |
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315 // |
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316 TBool vTableOkay = EFalse; |
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317 TUint vtable = 0; |
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318 |
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319 // Read a bit more data than is available for debugging purposes |
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320 TBuf8<32> vtableBuf; |
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321 TInt r = Kern::ThreadRawRead( &aThread, pAllocator, (TUint8*) vtableBuf.Ptr(), vtableBuf.MaxLength() ); |
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322 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - read result of vtable data from requested thread is: %d", r)); |
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323 if ( r == KErrNone ) |
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324 { |
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325 TRACE( MemSpyDriverUtils::DataDump("allocator vtable data - %lS", vtableBuf.Ptr(), vtableBuf.MaxLength(), vtableBuf.MaxLength() ) ); |
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326 vtableBuf.SetLength( vtableBuf.MaxLength() ); |
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327 |
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328 vtable = vtableBuf[0] + |
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329 (vtableBuf[1] << 8) + |
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330 (vtableBuf[2] << 16) + |
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331 (vtableBuf[3] << 24); |
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332 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - client VTable is: 0x%08x", vtable) ); |
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333 |
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334 // Check the v-table to work out if it really is an RHeap |
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335 vTableOkay = ( vtable == aExpectedVTable ); |
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336 if ( vTableOkay ) |
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337 { |
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338 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - vtables okay") ); |
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339 r = aHeap.ReadFromUserAllocator( aThread ); |
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340 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - after userget, error: %d", r)); |
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341 |
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342 } |
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343 else |
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344 { |
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345 TRACE( Kern::Printf( "DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - vtables dont match! - aExpectedVTable: 0x%08x, allocator addr: 0x%08x, client VTable is: 0x%08x, aThread: %O", aExpectedVTable, allocator, vtable, &aThread ) ); |
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346 } |
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347 } |
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348 else |
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349 { |
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350 TRACE( Kern::Printf( "DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - error during client vTable reading: %d, aThread: %O", r, &aThread ) ); |
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351 } |
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352 // |
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353 return (vTableOkay && (r == KErrNone)); |
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354 } |
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355 |
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369 void DMemSpyDriverLogChanHeapBase::PrintHeapInfo( const TMemSpyHeapInfo& aInfo ) |
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370 { |
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371 const TMemSpyHeapInfoRHeap& rHeapInfo = aInfo.AsRHeap(); |
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372 const TMemSpyHeapObjectDataRHeap& rHeapObjectData = rHeapInfo.ObjectData(); |
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373 const TMemSpyHeapStatisticsRHeap& rHeapStats = rHeapInfo.Statistics(); |
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374 const TMemSpyHeapMetaDataRHeap& rHeapMetaData = rHeapInfo.MetaData(); |
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375 |
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376 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
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377 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RAllocator -" ) ); |
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378 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
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379 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RAllocator::iAccessCount: %d", rHeapObjectData.iAccessCount ) ); |
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380 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RAllocator::iHandleCount: %d", rHeapObjectData.iHandleCount ) ); |
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381 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RAllocator::iHandles: 0x%08x", rHeapObjectData.iHandles ) ); |
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382 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RAllocator::iFlags: 0x%08x", rHeapObjectData.iFlags ) ); |
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383 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RAllocator::iCellCount: %d", rHeapObjectData.iCellCount ) ); |
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384 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RAllocator::iTotalAllocSize: %d", rHeapObjectData.iTotalAllocSize ) ); |
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385 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - " ) ); |
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386 |
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387 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
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388 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap -" ) ); |
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389 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
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390 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iMinLength: %d", rHeapObjectData.iMinLength ) ); |
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391 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iMaxLength: %d", rHeapObjectData.iMaxLength ) ); |
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392 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iOffset: %d", rHeapObjectData.iOffset ) ); |
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393 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iGrowBy: %d", rHeapObjectData.iGrowBy ) ); |
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394 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iChunkHandle: 0x%08x", rHeapObjectData.iChunkHandle ) ); |
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395 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iBase: 0x%08x", rHeapObjectData.iBase ) ); |
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396 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iTop: 0x%08x", rHeapObjectData.iTop ) ); |
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397 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iAlign: %d", rHeapObjectData.iAlign ) ); |
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398 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iMinCell: %d", rHeapObjectData.iAlign ) ); |
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399 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iPageSize: %d", rHeapObjectData.iAlign ) ); |
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400 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iFree.next: 0x%08x", rHeapObjectData.iFree.next ) ); |
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401 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iFree.len: %d", rHeapObjectData.iFree.len ) ); |
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402 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iNestingLevel: %d", rHeapObjectData.iNestingLevel ) ); |
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403 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iAllocCount: %d", rHeapObjectData.iAllocCount ) ); |
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404 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iFailType: %d", rHeapObjectData.iFailType ) ); |
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405 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iFailRate: %d", rHeapObjectData.iFailRate ) ); |
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406 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iFailed: %d", rHeapObjectData.iFailed ) ); |
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407 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iFailAllocCount: %d", rHeapObjectData.iFailAllocCount ) ); |
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408 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iRand: %d", rHeapObjectData.iRand ) ); |
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409 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iTestData: 0x%08x", rHeapObjectData.iTestData ) ); |
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410 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - " ) ); |
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411 |
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412 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
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413 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - Stats (Free) -" ) ); |
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414 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
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415 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell count: %d", rHeapStats.StatsFree().TypeCount() ) ); |
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416 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell size: %d", rHeapStats.StatsFree().TypeSize() ) ); |
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417 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell largest: 0x%08x", rHeapStats.StatsFree().LargestCellAddress() ) ); |
|
418 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell largest size: %d", rHeapStats.StatsFree().LargestCellSize() ) ); |
|
419 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - slack: 0x%08x", rHeapStats.StatsFree().SlackSpaceCellAddress() ) ); |
|
420 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - slack size: %d", rHeapStats.StatsFree().SlackSpaceCellSize() ) ); |
|
421 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - checksum: 0x%08x", rHeapStats.StatsFree().Checksum() ) ); |
|
422 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - " ) ); |
|
423 |
|
424 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
|
425 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - Stats (Alloc) -" ) ); |
|
426 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
|
427 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell count: %d", rHeapStats.StatsAllocated().TypeCount() ) ); |
|
428 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell size: %d", rHeapStats.StatsAllocated().TypeSize() ) ); |
|
429 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell largest: 0x%08x", rHeapStats.StatsAllocated().LargestCellAddress() ) ); |
|
430 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell largest size: %d", rHeapStats.StatsAllocated().LargestCellSize() ) ); |
|
431 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - " ) ); |
|
432 |
|
433 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
|
434 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - Stats (Common) -" ) ); |
|
435 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
|
436 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - total cell count: %d", rHeapStats.StatsCommon().TotalCellCount() ) ); |
|
437 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - " ) ); |
|
438 |
|
439 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
|
440 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - Misc. Info -" ) ); |
|
441 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) ); |
|
442 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - chunk size: %d", rHeapMetaData.ChunkSize() ) ); |
|
443 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - chunk handle: 0x%08x", rHeapMetaData.ChunkHandle() ) ); |
|
444 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - chunk base address: 0x%08x", rHeapMetaData.ChunkBaseAddress() ) ); |
|
445 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - debug allocator: %d", rHeapMetaData.IsDebugAllocator() ) ); |
|
446 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - shared heap: %d", rHeapMetaData.IsSharedHeap() ) ); |
|
447 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - user thread: %d", rHeapMetaData.IsUserThread() ) ); |
|
448 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell header size (free): %d", rHeapMetaData.HeaderSizeFree() ) ); |
|
449 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell header size (alloc): %d", rHeapMetaData.HeaderSizeAllocated() ) ); |
|
450 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - heap vTable: 0x%08x", rHeapMetaData.VTable() ) ); |
|
451 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - heap object size: %d", rHeapMetaData.ClassSize() ) ); |
|
452 } |
|
453 |
|
454 |
|
455 |
|
456 |
|
457 |
|
458 |
|
459 |
|
460 |
|
461 |
|
462 |
|
463 TBool DMemSpyDriverLogChanHeapBase::IsDebugKernel() |
|
464 { |
|
465 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - START") ); |
|
466 |
|
467 TInt r = KErrNone; |
|
468 TBool debugKernel = EFalse; |
|
469 |
|
470 NKern::ThreadEnterCS(); |
|
471 RMemSpyDriverRHeapKernelInPlace rHeap; |
|
472 r = OpenKernelHeap( rHeap ); |
|
473 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - open kernel heap returned: %d", r) ); |
|
474 |
|
475 if ( r == KErrNone ) |
|
476 { |
|
477 debugKernel = IsDebugKernel( rHeap ); |
|
478 |
|
479 // Tidy up |
|
480 rHeap.DisassociateWithKernelChunk(); |
|
481 } |
|
482 |
|
483 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - debugKernel: %d", debugKernel) ); |
|
484 NKern::ThreadLeaveCS(); |
|
485 |
|
486 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - END - ret: %d", r) ); |
|
487 return debugKernel; |
|
488 } |
|
489 |
|
490 |
|
491 TBool DMemSpyDriverLogChanHeapBase::IsDebugKernel( RMemSpyDriverRHeapKernelInPlace& aHeap ) |
|
492 { |
|
493 TBool debugKernel = EFalse; |
|
494 // |
|
495 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - START") ); |
|
496 NKern::ThreadEnterCS(); |
|
497 |
|
498 // Request that the kernel fail the next heap allocation |
|
499 aHeap.FailNext(); |
|
500 |
|
501 // Allocate a new cell, and in debug builds of the kernel, this should be NULL |
|
502 TInt* cell = new TInt(); |
|
503 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - cell: 0x%08x", cell) ); |
|
504 debugKernel = ( cell == NULL ); |
|
505 delete cell; |
|
506 |
|
507 NKern::ThreadLeaveCS(); |
|
508 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - END - debugKernel: %d", debugKernel) ); |
|
509 // |
|
510 return debugKernel; |
|
511 } |
|
512 |
|
513 |
|
514 TInt DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel( RMemSpyDriverRHeapBase& aHeap, TBool aIsDebugAllocator, const TDesC8& aChunkName, TMemSpyHeapInfo* aHeapInfo, TDes8* aTransferBuffer ) |
|
515 { |
|
516 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel() - START - aTransferBuffer: 0x%08x", aTransferBuffer ) ); |
|
517 |
|
518 TInt r = KErrNone; |
|
519 NKern::ThreadEnterCS(); |
|
520 |
|
521 // This object holds all of the info we will accumulate for the client. |
|
522 TMemSpyHeapInfo masterHeapInfo; |
|
523 masterHeapInfo.SetType( TMemSpyHeapInfo::ETypeRHeap ); |
|
524 masterHeapInfo.SetTid( 2 ); |
|
525 masterHeapInfo.SetPid( 1 ); |
|
526 |
|
527 // This is the RHeap-specific object that contains all RHeap info |
|
528 TMemSpyHeapInfoRHeap& rHeapInfo = masterHeapInfo.AsRHeap(); |
|
529 |
|
530 // This is the object data for the RHeap instance |
|
531 TMemSpyHeapObjectDataRHeap& rHeapObjectData = rHeapInfo.ObjectData(); |
|
532 aHeap.CopyObjectDataTo( rHeapObjectData ); |
|
533 |
|
534 // When walking the kernel heap we must keep track of the free cells |
|
535 // without allocating any more memory (on the kernel heap...) |
|
536 // |
|
537 // Therefore, we start a stream immediately, which is actually already |
|
538 // pre-allocated. |
|
539 // |
|
540 // Start stream and pad with zero count, which we'll repopulate later on |
|
541 // once we know the final score. |
|
542 RMemSpyMemStreamWriter stream; |
|
543 TInt32* pCount = NULL; |
|
544 |
|
545 // We must walk the client's heap in order to build statistics |
|
546 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - calling heap walker constructor...")); |
|
547 RMemSpyDriverHeapWalker heapWalker( aHeap, aIsDebugAllocator ); |
|
548 if ( aTransferBuffer ) |
|
549 { |
|
550 // This will allow us to identify that we're writing directly to the stream |
|
551 stream = OpenXferStream(); |
|
552 iStackStream = &stream; |
|
553 |
|
554 // Writer marker value which we'll update after the traversal completes |
|
555 pCount = stream.WriteInt32( 0 ); |
|
556 |
|
557 // Receive cell info as we walk the heap... |
|
558 heapWalker.SetObserver( this ); |
|
559 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - collecting free cells - iStackStream: 0x%08x, isOpen: %d, pCount: 0x%08x", iStackStream, stream.IsOpen(), pCount )); |
|
560 } |
|
561 else |
|
562 { |
|
563 iStackStream = NULL; |
|
564 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - not collecting free cells")); |
|
565 } |
|
566 |
|
567 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - locking system..." )); |
|
568 NKern::LockSystem(); |
|
569 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - disabling interrupts..." )); |
|
570 const TInt irq = NKern::DisableAllInterrupts(); |
|
571 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - starting traversal..." )); |
|
572 |
|
573 #if defined( TRACE_TYPE_KERNELHEAP ) |
|
574 heapWalker.SetPrintDebug(); |
|
575 #endif |
|
576 r = heapWalker.Traverse(); |
|
577 |
|
578 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - restoring interrupts..." )); |
|
579 NKern::RestoreInterrupts( irq ); |
|
580 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - finished traversal - err: %d, iStackStream: 0x%08x, pCount: 0x%08x, isOpen: %d", r, iStackStream, pCount, ( iStackStream == NULL ? 0 : iStackStream->IsOpen() ) )); |
|
581 NKern::UnlockSystem(); |
|
582 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - unlocked system" )); |
|
583 |
|
584 // Write free cells if requested |
|
585 if ( r == KErrNone && iStackStream && iStackStream->IsOpen() && pCount ) |
|
586 { |
|
587 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - final free cell count: %d", iFreeCellCount )); |
|
588 *pCount = iFreeCellCount; |
|
589 r = stream.WriteAndClose( aTransferBuffer ); |
|
590 iStackStream = NULL; |
|
591 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - stream commit result: %d", r )); |
|
592 } |
|
593 |
|
594 TMemSpyHeapStatisticsRHeap& rHeapStats = rHeapInfo.Statistics(); |
|
595 heapWalker.CopyStatsTo( rHeapStats ); |
|
596 |
|
597 // Get remaining meta data that isn't stored elsewhere |
|
598 TMemSpyHeapMetaDataRHeap& rHeapMetaData = rHeapInfo.MetaData(); |
|
599 rHeapMetaData.SetChunkName( aChunkName ); |
|
600 rHeapMetaData.SetChunkSize( (TUint) aHeap.Chunk().Size() ); |
|
601 rHeapMetaData.SetChunkHandle( &aHeap.Chunk() ); |
|
602 rHeapMetaData.SetChunkBaseAddress( aHeap.Chunk().Base() ); |
|
603 rHeapMetaData.SetDebugAllocator( aIsDebugAllocator ); |
|
604 rHeapMetaData.SetHeaderSizeFree( RMemSpyDriverRHeapBase::FreeCellHeaderSize() ); |
|
605 rHeapMetaData.SetHeaderSizeAllocated( RMemSpyDriverRHeapBase::AllocatedCellHeaderSize( aIsDebugAllocator ) ); |
|
606 rHeapMetaData.SetUserThread( EFalse ); |
|
607 rHeapMetaData.SetSharedHeap( ETrue ); |
|
608 |
|
609 // Get any heap-specific info |
|
610 aHeap.GetHeapSpecificInfo( masterHeapInfo ); |
|
611 |
|
612 PrintHeapInfo( masterHeapInfo ); |
|
613 |
|
614 // Update info ready for writing back to the user-side |
|
615 if ( r == KErrNone ) |
|
616 { |
|
617 // Write results back to user-side |
|
618 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - writing to user-side...")); |
|
619 r = Kern::ThreadRawWrite( &ClientThread(), aHeapInfo, &masterHeapInfo, sizeof( TMemSpyHeapInfo ) ); |
|
620 } |
|
621 |
|
622 NKern::ThreadLeaveCS(); |
|
623 |
|
624 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel() - END - ret: %d", r) ); |
|
625 return r; |
|
626 } |
|
627 |
|
628 |
|
629 |
|
630 |
|
631 |
|
632 |
|
633 |
|
634 |
|
635 |
|
636 |
|
637 |
|
638 |
|
639 |
|
640 |
|
641 |
|
642 |
|
643 |
|
644 TBool DMemSpyDriverLogChanHeapBase::HandleHeapCell( TInt aCellType, TAny* aCellAddress, TInt aLength, TInt /*aNestingLevel*/, TInt /*aAllocNumber*/ ) |
|
645 { |
|
646 TInt error = KErrNone; |
|
647 // |
|
648 if ( aCellType == EMemSpyDriverGoodFreeCell || aCellType == EMemSpyDriverBadFreeCellAddress || aCellType == EMemSpyDriverBadFreeCellSize ) |
|
649 { |
|
650 TMemSpyDriverFreeCell cell; |
|
651 cell.iType = aCellType; |
|
652 cell.iAddress = aCellAddress; |
|
653 cell.iLength = aLength; |
|
654 // |
|
655 if ( iStackStream ) |
|
656 { |
|
657 if ( !iStackStream->IsFull() ) |
|
658 { |
|
659 ++iFreeCellCount; |
|
660 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::HandleHeapCell - writing free cell %d @ 0x%08x, space left: %u", iFreeCellCount, aCellAddress, iStackStream->Remaining() )); |
|
661 // |
|
662 iStackStream->WriteInt32( aCellType ); |
|
663 iStackStream->WriteUint32( reinterpret_cast<TUint32>( aCellAddress ) ); |
|
664 iStackStream->WriteInt32( aLength ); |
|
665 } |
|
666 else |
|
667 { |
|
668 Kern::Printf( "DMemSpyDriverLogChanHeapBase::HandleHeapCell - Kernel Free Cell stack stream IS FULL!" ); |
|
669 error = KErrAbort; |
|
670 } |
|
671 } |
|
672 else |
|
673 { |
|
674 NKern::ThreadEnterCS(); |
|
675 error = iFreeCells.Append( cell ); |
|
676 NKern::ThreadLeaveCS(); |
|
677 // |
|
678 if ( error == KErrNone ) |
|
679 { |
|
680 ++iFreeCellCount; |
|
681 } |
|
682 } |
|
683 } |
|
684 // |
|
685 return ( error == KErrNone ); |
|
686 } |
|
687 |
|
688 |
|
689 void DMemSpyDriverLogChanHeapBase::HandleHeapWalkInit() |
|
690 { |
|
691 // Can't delete the free cell list here as we might be walking the kernel heap |
|
692 iFreeCellCount = 0; |
|
693 } |
|
694 |
|
695 |
|
696 |
|
697 |
|
698 |
|
699 |
|
700 TInt DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() |
|
701 { |
|
702 // Transfer free cells immediately from xfer stream |
|
703 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - START - iHeapStream: 0x%08x", iHeapStream )); |
|
704 __ASSERT_ALWAYS( !iHeapStream, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapFreeCellStreamNotClosed ) ); |
|
705 // |
|
706 TInt r = KErrNoMemory; |
|
707 // |
|
708 NKern::ThreadEnterCS(); |
|
709 // |
|
710 iHeapStream = new RMemSpyMemStreamWriter(); |
|
711 if ( iHeapStream ) |
|
712 { |
|
713 const TInt requiredMemory = CalculateFreeCellBufferSize(); |
|
714 r = OpenXferStream( *iHeapStream, requiredMemory ); |
|
715 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - requested %d bytes for free cell list, r: %d", requiredMemory, r )); |
|
716 |
|
717 if ( r == KErrNone ) |
|
718 { |
|
719 const TInt count = iFreeCells.Count(); |
|
720 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - free cell count: %d", count )); |
|
721 // |
|
722 iHeapStream->WriteInt32( count ); |
|
723 for( TInt i=0; i<count; i++ ) |
|
724 { |
|
725 const TMemSpyDriverFreeCell& cell = iFreeCells[ i ]; |
|
726 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - storing entry: %d", i )); |
|
727 // |
|
728 iHeapStream->WriteInt32( cell.iType ); |
|
729 iHeapStream->WriteUint32( reinterpret_cast<TUint32>( cell.iAddress ) ); |
|
730 iHeapStream->WriteInt32( cell.iLength ); |
|
731 } |
|
732 |
|
733 // Finished with the array now |
|
734 iFreeCells.Reset(); |
|
735 |
|
736 // We return the amount of client-side memory that needs to be allocated to hold the buffer |
|
737 r = requiredMemory; |
|
738 } |
|
739 } |
|
740 // |
|
741 NKern::ThreadLeaveCS(); |
|
742 |
|
743 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - END - r: %d", r)); |
|
744 return r; |
|
745 } |
|
746 |
|
747 |
|
748 TInt DMemSpyDriverLogChanHeapBase::FetchFreeCells( TDes8* aBufferSink ) |
|
749 { |
|
750 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::FetchFreeCells() - START - iHeapStream: 0x%08x", iHeapStream )); |
|
751 __ASSERT_ALWAYS( iHeapStream, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapFreeCellStreamNotOpen ) ); |
|
752 |
|
753 TInt r = KErrNone; |
|
754 |
|
755 // Write buffer to client |
|
756 NKern::ThreadEnterCS(); |
|
757 r = iHeapStream->WriteAndClose( aBufferSink ); |
|
758 |
|
759 // Tidy up |
|
760 ReleaseFreeCells(); |
|
761 |
|
762 NKern::ThreadLeaveCS(); |
|
763 // |
|
764 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::FetchFreeCells() - END - r: %d", r)); |
|
765 return r; |
|
766 } |
|
767 |
|
768 |
|
769 |
|
770 TInt DMemSpyDriverLogChanHeapBase::CalculateFreeCellBufferSize() const |
|
771 { |
|
772 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::CalculateFreeCellBufferSize() - START" )); |
|
773 |
|
774 const TInt count = iFreeCells.Count(); |
|
775 const TInt entrySize = sizeof( TInt32 ) + sizeof( TInt32 ) + sizeof( TUint32 ); |
|
776 const TInt r = ( count * entrySize ) + sizeof( TInt ); // Extra TInt to hold count |
|
777 |
|
778 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::CalculateFreeCellBufferSize() - END - r: %d, count: %d, entrySize: %d", r, count, entrySize )); |
|
779 return r; |
|
780 } |
|
781 |
|
782 |
|
783 |
|
784 void DMemSpyDriverLogChanHeapBase::ReleaseFreeCells() |
|
785 { |
|
786 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::ReleaseFreeCells() - START - this: 0x%08x", this )); |
|
787 |
|
788 // Housekeeping |
|
789 NKern::ThreadEnterCS(); |
|
790 iFreeCells.Reset(); |
|
791 // |
|
792 iStackStream = NULL; |
|
793 // |
|
794 delete iHeapStream; |
|
795 iHeapStream = NULL; |
|
796 NKern::ThreadLeaveCS(); |
|
797 |
|
798 TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::ReleaseFreeCells() - END - this: 0x%08x", this )); |
|
799 } |
|
800 |
|
801 |
|
802 |
|
803 |
|
804 |
|
805 |
|
806 |
|
807 |
|
808 |
|
809 |
|
810 |
|
811 |
|
812 |
|
813 |
|
814 |
|
815 |
|
816 |
|
817 |
|
818 |
|
819 |
|
820 |
|
821 |
|
822 |
|
823 |
|
824 |
|
825 |
|
826 |
|
827 |
|
828 |
|
829 |
|
830 TInt DMemSpyDriverLogChanHeapBase::OpenKernelHeap( RHeapK*& aHeap, DChunk*& aChunk, TDes8* aClientHeapChunkName ) |
|
831 { |
|
832 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap() - START") ); |
|
833 |
|
834 // This is what we're searching for... |
|
835 RHeapK* kernelHeap = NULL; |
|
836 DChunk* kernelHeapChunk = NULL; |
|
837 |
|
838 // Find the SvHeap chunk.... |
|
839 _LIT( KKernelServerHeapChunkName, "SvHeap" ); |
|
840 NKern::ThreadEnterCS(); |
|
841 |
|
842 DObjectCon* chunkContainer = Kern::Containers()[EChunk]; |
|
843 chunkContainer->Wait(); |
|
844 NKern::LockSystem(); |
|
845 const TInt chunkCount = chunkContainer->Count(); |
|
846 |
|
847 for(TInt i=0; i<chunkCount; i++) |
|
848 { |
|
849 DChunk* chunk = (DChunk*) (*chunkContainer)[ i ]; |
|
850 // |
|
851 if ( chunk->NameBuf() ) |
|
852 { |
|
853 const TInt findResult = chunk->NameBuf()->Find( KKernelServerHeapChunkName ); |
|
854 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap - checking chunk: %O against %S => %d", chunk, &KKernelServerHeapChunkName, findResult ) ); |
|
855 if ( findResult != KErrNotFound ) |
|
856 { |
|
857 // Found it. |
|
858 kernelHeapChunk = chunk; |
|
859 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - found chunk with base: 0x%08x", chunk->iBase ) ); |
|
860 break; |
|
861 } |
|
862 } |
|
863 } |
|
864 |
|
865 NKern::UnlockSystem(); |
|
866 chunkContainer->Signal(); |
|
867 |
|
868 TInt r = KErrNotFound; |
|
869 if ( kernelHeapChunk != NULL ) |
|
870 { |
|
871 #ifndef __WINS__ |
|
872 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - kernelHeapChunk: 0x%08x", kernelHeapChunk ) ); |
|
873 |
|
874 const TRomHeader& romHdr = Epoc::RomHeader(); |
|
875 const TRomEntry* primaryEntry = (const TRomEntry*) Kern::SuperPage().iPrimaryEntry; |
|
876 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - primaryEntry: 0x%08x, primaryEntry->iAddressLin: 0x%08x", primaryEntry, primaryEntry->iAddressLin ) ); |
|
877 const TRomImageHeader* primaryImageHeader = (const TRomImageHeader*) primaryEntry->iAddressLin; |
|
878 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - primaryEntry: 0x%08x", primaryImageHeader ) ); |
|
879 |
|
880 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - TRomImageHeader::iCodeSize: 0x%08x", primaryImageHeader->iCodeSize ) ); |
|
881 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - TRomImageHeader::iTextSize: 0x%08x", primaryImageHeader->iTextSize ) ); |
|
882 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - TRomImageHeader::iDataSize: 0x%08x", primaryImageHeader->iDataSize ) ); |
|
883 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - TRomImageHeader::iBssSize: 0x%08x", primaryImageHeader->iBssSize ) ); |
|
884 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - TRomImageHeader::iHeapSizeMin: 0x%08x", primaryImageHeader->iHeapSizeMin ) ); |
|
885 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - TRomImageHeader::iHeapSizeMax: 0x%08x", primaryImageHeader->iHeapSizeMax ) ); |
|
886 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - TRomImageHeader::iStackSize: 0x%08x", primaryImageHeader->iStackSize ) ); |
|
887 |
|
888 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - romHdr.iKernDataAddress: 0x%08x", romHdr.iKernDataAddress ) ); |
|
889 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - Kern::RoundToPageSize( romHdr.iTotalSvDataSize ): 0x%08x", Kern::RoundToPageSize( romHdr.iTotalSvDataSize ) ) ); |
|
890 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - Kern::RoundToPageSize( kernelProcessCreateInfo.iStackSize ): 0x%08x", Kern::RoundToPageSize( primaryImageHeader->iStackSize ) ) ); |
|
891 |
|
892 TAny* stack = (TAny*)( romHdr.iKernDataAddress + Kern::RoundToPageSize( romHdr.iTotalSvDataSize )); |
|
893 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - aStack: 0x%08x", stack ) ); |
|
894 |
|
895 // NB: This is supposed to be Kern::RoundToPageSize( kernelProcessCreateInfo.iStackSize ) but that |
|
896 // sometimes returns very dodgy values on ARMv5 Multiple Memory Model when using MemSpy's driver |
|
897 // installed via a SIS file. No idea why. Cache problem? |
|
898 TAny* heap = (TAny*)(TLinAddr( stack ) + Kern::RoundToPageSize( primaryImageHeader->iStackSize )); |
|
899 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - aHeap: 0x%08x", heap ) ); |
|
900 |
|
901 kernelHeap = (RHeapK*) heap; |
|
902 #else |
|
903 kernelHeap = (RHeapK*) kernelHeapChunk->Base(); |
|
904 #endif |
|
905 // Finalise construction of heap |
|
906 if ( kernelHeap != NULL ) |
|
907 { |
|
908 TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - kernelHeap->Base(): 0x%08x, kernelHeapChunk->Base(): 0x%08x", kernelHeap->Base(), kernelHeapChunk->Base() ) ); |
|
909 aHeap = kernelHeap; |
|
910 aChunk = kernelHeapChunk; |
|
911 |
|
912 // Get the chunk name (if the caller asked for it) |
|
913 if ( aClientHeapChunkName ) |
|
914 { |
|
915 kernelHeapChunk->FullName( *aClientHeapChunkName ); |
|
916 } |
|
917 |
|
918 // Opened okay |
|
919 r = KErrNone; |
|
920 } |
|
921 else |
|
922 { |
|
923 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap - kernel heap was NULL...")); |
|
924 } |
|
925 } |
|
926 else |
|
927 { |
|
928 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap - couldnt find kernel chunk...")); |
|
929 r = KErrNotFound; |
|
930 } |
|
931 |
|
932 NKern::ThreadLeaveCS(); |
|
933 |
|
934 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap() - END - ret: %d", r ) ); |
|
935 return r; |
|
936 } |
|
937 |
|
938 |
|
939 TInt DMemSpyDriverLogChanHeapBase::OpenKernelHeap( RMemSpyDriverRHeapKernelInPlace& aHeap, TDes8* aClientHeapChunkName ) |
|
940 { |
|
941 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(IP) - START") ); |
|
942 |
|
943 RHeapK* heap = NULL; |
|
944 DChunk* chunk = NULL; |
|
945 TInt r = OpenKernelHeap( heap, chunk, aClientHeapChunkName ); |
|
946 |
|
947 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(IP) - open err: %d", r ) ); |
|
948 if ( r == KErrNone ) |
|
949 { |
|
950 aHeap.SetKernelHeap( *heap ); |
|
951 aHeap.AssociateWithKernelChunk( chunk, TLinAddr( chunk->iBase ), 0 ); |
|
952 } |
|
953 |
|
954 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(IP) - END - ret: %d", r ) ); |
|
955 return r; |
|
956 } |
|
957 |
|
958 |
|
959 TInt DMemSpyDriverLogChanHeapBase::OpenKernelHeap( RMemSpyDriverRHeapKernelFromCopy& aHeap, TDes8* aClientHeapChunkName ) |
|
960 { |
|
961 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - START") ); |
|
962 |
|
963 RHeapK* heap = NULL; |
|
964 DChunk* chunk = NULL; |
|
965 TInt r = OpenKernelHeap( heap, chunk, aClientHeapChunkName ); |
|
966 |
|
967 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - open err: %d", r ) ); |
|
968 if ( r == KErrNone ) |
|
969 { |
|
970 const TInt heapSize = heap->Size(); |
|
971 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - heapSize: %d, heap: 0x%08x, chunkBase: 0x%08x", heapSize, heap, chunk->Base() ) ); |
|
972 |
|
973 // Make a new chunk that we can copy the kernel heap into. We cannot lock the system the entire time |
|
974 // we need to do this, therefore there is no guarantee that the chunk will be large enough to hold the |
|
975 // (current) heap data at the time we need to make the copy. We oversize the chunk by 1mb in the "hope" |
|
976 // that it will be enough... :( |
|
977 TChunkCreateInfo info; |
|
978 info.iType = TChunkCreateInfo::ESharedKernelSingle; |
|
979 info.iMaxSize = heapSize + ( 1024 * 1024 ); |
|
980 info.iOwnsMemory = ETrue; // Use memory from system's free pool |
|
981 info.iDestroyedDfc = NULL; |
|
982 #ifdef __EPOC32__ |
|
983 info.iMapAttr = (TInt)EMapAttrFullyBlocking; // Full caching |
|
984 #endif |
|
985 |
|
986 // Holds a copy of the client's heap chunk |
|
987 DChunk* heapCopyChunk; |
|
988 TLinAddr heapCopyChunkAddress; |
|
989 TUint32 heapCopyChunkMappingAttributes; |
|
990 r = Kern::ChunkCreate( info, heapCopyChunk, heapCopyChunkAddress, heapCopyChunkMappingAttributes ); |
|
991 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - creating chunk returned: %d", r)); |
|
992 |
|
993 if ( r == KErrNone ) |
|
994 { |
|
995 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - copy chunk base: 0x%08x, heapCopyChunkAddress: 0x%08x", heapCopyChunk->iBase, heapCopyChunkAddress)); |
|
996 |
|
997 // Commit memory for entire buffer |
|
998 TUint32 physicalAddress = 0; |
|
999 r = Kern::ChunkCommitContiguous( heapCopyChunk, 0, heapSize, physicalAddress ); |
|
1000 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - commiting chunk returned: %d", r)); |
|
1001 |
|
1002 if ( r != KErrNone) |
|
1003 { |
|
1004 // On error, throw away the chunk we have created |
|
1005 Kern::ChunkClose( heapCopyChunk ); |
|
1006 heapCopyChunk = NULL; |
|
1007 } |
|
1008 else |
|
1009 { |
|
1010 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - heapCopyChunk->iSize: 0x%08x, heapCopyChunk->iBase: 0x%08x, heapCopyChunkAddress: 0x%08x, physicalAddress: 0x%08x", heapCopyChunk->iSize, heapCopyChunk->iBase, heapCopyChunkAddress, physicalAddress)); |
|
1011 |
|
1012 NKern::LockSystem(); |
|
1013 const TUint32 copyLength = Min( heap->Size(), heapSize ); |
|
1014 |
|
1015 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - trying to copy %d (vs orig estimate of %d) bytes from kernel allocator address: 0x%08x", copyLength, heapSize, heap->Base() )); |
|
1016 memcpy( (TUint8*) heapCopyChunkAddress, heap, copyLength ); |
|
1017 |
|
1018 NKern::UnlockSystem(); |
|
1019 |
|
1020 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - copied kernel heap data" )); |
|
1021 |
|
1022 // Transfer ownership of the copy heap chunk to the heap object. This also calculates the delta |
|
1023 // beween the heap addresses in the client's address space and the kernel address space. |
|
1024 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - associate chunk and transfer ownership..." )); |
|
1025 aHeap.SetKernelHeap( *heap ); |
|
1026 aHeap.AssociateWithKernelChunk( heapCopyChunk, heapCopyChunkAddress, heapCopyChunkMappingAttributes ); |
|
1027 } |
|
1028 } |
|
1029 else |
|
1030 { |
|
1031 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - copy chunk create error: %d", r ) ); |
|
1032 } |
|
1033 } |
|
1034 |
|
1035 TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - END - ret: %d", r ) ); |
|
1036 return r; |
|
1037 } |
|
1038 |
|
1039 |
|
1040 |