author | Slion |
Wed, 06 Jan 2010 20:35:57 +0100 | |
branch | anywhere |
changeset 24 | 18d195b75193 |
parent 0 | a41df078684a |
permissions | -rw-r--r-- |
0 | 1 |
// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of the License "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// e32\memmodel\emul\win32\mcodeseg.cpp |
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// |
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// |
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#define __INCLUDE_ALL_SUPPORTED_CAPABILITIES__ |
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#include "memmodel.h" |
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#include <property.h> |
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#include <emulator.h> |
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#include <wchar.h> |
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#define __CHECKHEAP() ((RHeapK*)K::Allocator)->Check() |
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static TBool BootComplete; // flag set when boot EXE is loaded as an EPOC process |
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static DWin32CodeSeg* KernelCodeSeg; |
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static HMODULE KernelModuleHandle; |
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GLREF_C TInt CompareCodeSegsByName(const DCodeSeg& aA, const DCodeSeg& aB); |
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void TruncToNarrow(TUint8* aDes, const TUint16* aSrc, int aLen) |
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{ |
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//converts to narrow by dumping the high order byte |
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if(aDes && aSrc) |
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{ |
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if(aLen==-1) |
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{ |
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for(int index=0;*aSrc;index++) |
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*aDes++ = (TUint8)*aSrc++; |
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*aDes = '\0'; |
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} |
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else |
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for(int index=0;index<aLen;index++) |
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*aDes++ = (TUint8)*aSrc++; |
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} |
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} |
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||
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void ExpandToWide(TUint16* aDes, const TUint8* aSrc, int aLen) |
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{ |
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if(aDes && aSrc) |
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{ |
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for(int index=0;index<aLen;index++) |
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*aDes++ = (TUint16)*aSrc++; |
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} |
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} |
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||
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#ifdef KDLL |
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void DumpWin32CodeSeg(DWin32CodeSeg& a) |
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{ |
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const TUint32* uid=(const TUint32*)&a.iUids; |
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Kern::Printf("DWin32CodeSeg@%08x:",&a); |
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Kern::Printf("iLink = %08x %08x", a.iLink.iNext, a.iLink.iPrev); |
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Kern::Printf("iTempLink = %08x %08x", a.iTempLink.iNext, a.iTempLink.iPrev); |
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Kern::Printf("iGbgLink = %08x %08x", a.iGbgLink.iNext, a.iGbgLink.iPrev); |
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Kern::Printf("iAccessCount = %d", a.iAccessCount); |
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Kern::Printf("iEntryPtVeneer = %08x", a.iEntryPtVeneer); |
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Kern::Printf("iFileEntryPoint = %08x", a.iFileEntryPoint); |
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Kern::Printf("iFileName = %lS", a.iFileName); |
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Kern::Printf("iRootName = %lS", &a.iRootName); |
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Kern::Printf("iExtOffset = %d", a.iExtOffset); |
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Kern::Printf("iModuleVersion = %08x", a.iModuleVersion); |
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Kern::Printf("iUids = %08x %08x %08x", uid[0], uid[1], uid[2]); |
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Kern::Printf("iDepCount=%d iDeps=%08x", a.iDepCount, a.iDeps); |
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Kern::Printf("iNextDep=%d, iMark=%08x, iAttr=%08x", a.iNextDep, a.iMark, a.iAttr); |
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Kern::Printf("iExeCodeSeg=%08x, iAttachProcess=%O", a.iExeCodeSeg, a.iAttachProcess); |
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Kern::Printf("iWinInstance = %08x", a.iWinInstance); |
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Kern::Printf("iModuleHandle = %08x", a.iModuleHandle); |
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Kern::Printf("iModuleFile = %08x", a.iModuleFile); |
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Kern::Printf("iAlwaysLoaded = %08x", a.iAlwaysLoaded); |
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Kern::Printf("iModuleList = %08x", a.iModuleList); |
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} |
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#endif |
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void ExecInEntryPoint() |
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{ |
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// This function will be called if an Exec:: call is attempted in the entry |
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// point of a DLL which didn't specify 'epocallowdlldata' |
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Kern::Fault("BAD DLL STATIC",0); |
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} |
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static const SFastExecTable DummyFastExecTable={0,{0}}; |
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static const SSlowExecTable DummySlowExecTable={0,(TLinAddr)ExecInEntryPoint,0,{{0,0}}}; |
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// Force a call to a DLL entry point to initialise any gratuitous writeable data |
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// generated by the compiler. |
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// Change exec table to prevent any executive calls in case someone forgot to |
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// use the 'epocallowdlldata' option. |
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void ForceEntryPointCall(TLinAddr aEntryPoint) |
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{ |
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__KTRACE_OPT(KDLL,Kern::Printf("ForceEntryPoint %08x", aEntryPoint)); |
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NKern::Lock(); |
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NThread* nthrd = NKern::CurrentThread(); |
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const SFastExecTable* fast = nthrd->iFastExecTable; |
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const SSlowExecEntry* slow = nthrd->iSlowExecTable; |
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nthrd->iFastExecTable = (SFastExecTable*)&DummyFastExecTable; |
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nthrd->iSlowExecTable = DummySlowExecTable.iEntries; |
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TLibraryEntry ep = (TLibraryEntry)aEntryPoint; |
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(*ep)(KModuleEntryReasonProcessAttach); |
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nthrd->iFastExecTable = fast; |
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nthrd->iSlowExecTable = slow; |
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NKern::Unlock(); |
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} |
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class TWin32Filename |
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{ |
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public: |
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inline TWin32Filename() |
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{iBuf[0] = '\0';} |
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inline TWin32Filename(const TDesC& aFilename) |
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{Set(aFilename);} |
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inline TWin32Filename& operator=(const TDesC& aFilename) |
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{Set(aFilename);return *this;} |
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inline operator LPCWSTR() const |
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{return iBuf;} |
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private: |
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void Set(const TDesC& aFilename); |
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private: |
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WCHAR iBuf[KMaxFileName + 1]; |
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}; |
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void TWin32Filename::Set(const TDesC& aFilename) |
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{ |
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TUint16 fileName[KMaxFileName]; |
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ExpandToWide(fileName, aFilename.Ptr(), aFilename.Length()); |
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TPtr p((TUint8*)iBuf,KMaxFileName<<1); |
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Property::MapFilename(p, TPtrC((TUint8*)fileName,aFilename.Length()<<1)); |
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iBuf[p.Length()>>1] = '\0'; |
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} |
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||
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class DModuleList : public DBase |
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{ |
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public: |
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enum TFlags |
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{ |
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EFlagData=0x01, |
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EFlagDataPresent=0x02, |
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EFlagAlreadyLoaded=0x04, |
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EFlagMark=0x08, |
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EFlagExe=0x10, |
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EFlagAlwaysLoaded=0x20, |
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EFlagExeInTree=0x40, |
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}; |
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struct SModule |
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{ |
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TLinAddr iModuleHandle; |
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DWin32CodeSeg* iCodeSeg; |
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TUint32 iFlags; |
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SSecurityInfo iS; |
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TUint32 iModuleVersion; |
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TInt iDepCount; |
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TInt* iDepList; |
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}; |
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public: |
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DModuleList(DWin32CodeSeg* aMainSeg, DProcess* aProcess); |
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virtual ~DModuleList(); |
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TInt Find(TInt aModule); |
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TInt GatherDependencies(HMODULE aModule); |
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TInt CompileDepLists(); |
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void SetFlags(); |
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TUint32 Flags(SModule* aM); |
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TInt LoadDependencies(); |
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void LinkDependencies(); |
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TInt Loaded(); |
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public: |
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DWin32CodeSeg* iMain; |
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DProcess* iAttachProcess; |
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RArray<SModule> iModules; |
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}; |
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DModuleList::DModuleList(DWin32CodeSeg* aMainSeg, DProcess* aProcess) |
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: iMain(aMainSeg), iAttachProcess(aProcess), |
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iModules(8, _FOFF(SModule,iModuleHandle), 2*256) |
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{ |
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} |
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DModuleList::~DModuleList() |
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{ |
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TInt c = iModules.Count(); |
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if (c) |
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{ |
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SModule* pM = (SModule*)&iModules[0]; |
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SModule* pE = pM + c; |
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for (; pM<pE; ++pM) |
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{ |
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Kern::Free(pM->iDepList); |
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} |
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} |
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iModules.Close(); |
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} |
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TInt DModuleList::Find(TInt aModule) |
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{ |
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SModule mod; |
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mod.iModuleHandle=(TLinAddr)aModule; |
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return iModules.FindInUnsignedKeyOrder(mod); |
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} |
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/** |
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Populate iModules with SModule entries corresponding to supplied HModule and all of its dependencies, |
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direct and indirect. |
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@param aModule A Windows module handle |
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@return KErrNone if successful |
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*/ |
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TInt DModuleList::GatherDependencies(HMODULE aModule) |
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{ |
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__KTRACE_OPT(KDLL, Kern::Printf(">DModuleList::GatherDependencies %08x %08x %C", aModule, iMain, iMain)); |
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Emulator::TModule etm(aModule); |
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SModule mod; |
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mod.iModuleHandle=(TLinAddr)aModule; |
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mod.iCodeSeg=NULL; |
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mod.iDepList=NULL; |
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TUint32 uid[3]; |
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TUidType& uidref=*(TUidType*)uid; |
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const TEmulatorImageHeader* hdr = (const TEmulatorImageHeader*)etm.Section(KWin32SectionName_Symbian); |
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if (!hdr) |
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return KErrNotSupported; |
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__KTRACE_OPT(KDLL,Kern::Printf("Module flags %08x, cap %08x %08x, sid %08x", hdr->iFlags, hdr->iS.iCaps[1], hdr->iS.iCaps[0], hdr->iS.iSecureId)); |
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mod.iS = hdr->iS; |
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// Overide capabilities in image |
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const SCapabilitySet& disabledCaps = *(SCapabilitySet*)&TheSuperPage().iDisabledCapabilities; |
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for(TInt i=0; i<SCapabilitySet::ENCapW; i++) |
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{ |
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mod.iS.iCaps[i] |= disabledCaps[i]; |
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mod.iS.iCaps[i] &= AllSupportedCapabilities[i]; |
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} |
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mod.iModuleVersion = hdr->iModuleVersion; |
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mod.iFlags = (hdr->iFlags & KEmulatorImageFlagAllowDllData) ? EFlagData|EFlagDataPresent : 0; |
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uidref = *(const TUidType*)&hdr->iUids[0]; |
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TBool isExe = (uid[0]==KExecutableImageUidValue); |
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TBool data_section_present = (etm.Section(KWin32SectionName_EpocData) != NULL); |
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if (data_section_present && isExe) |
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mod.iFlags = EFlagData|EFlagDataPresent; |
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__KTRACE_OPT(KDLL,Kern::Printf("DataSectionPresent = %x", data_section_present)); |
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// Can't do this for CodeWarrior since it sticks everything in .data, even constants |
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// On VC6 this check works for Base code, but not for some other code. |
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// if (data_section_present && !isExe && !(hdr->iFlags & KEmulatorImageFlagAllowDllData)) |
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// return KErrNotSupported; |
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if (!data_section_present) |
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mod.iFlags = 0; |
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if (isExe) |
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mod.iFlags |= EFlagExe|EFlagExeInTree; |
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SWin32Module w32m; |
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w32m.iWin32ModuleHandle=(TLinAddr)aModule; |
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w32m.iCodeSeg=NULL; |
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TInt ix=MM::Win32Modules.FindInUnsignedKeyOrder(w32m); |
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__KTRACE_OPT(KDLL, Kern::Printf("GlobalIx=%d", ix)); |
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if ((ix>=0 && !MM::Win32Modules[ix].iCodeSeg) || aModule==KernelModuleHandle) |
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mod.iFlags|=EFlagAlwaysLoaded; |
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TInt r=iModules.InsertInUnsignedKeyOrder(mod); |
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__KTRACE_OPT(KDLL, Kern::Printf("Flags=%08x, InsertRes=%d", mod.iFlags, r)); |
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if (r==KErrAlreadyExists) |
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return KErrNone; |
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if (r!=KErrNone) |
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return r; |
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if (mod.iFlags & EFlagAlwaysLoaded) |
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return KErrNone; // stop if we reach an extension or variant |
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if (data_section_present && (mod.iFlags & EFlagData)==0) |
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{ |
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// DLL, .data present but 'epocallowdlldata' not specified |
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// - either the compiler forgetting that something's constant or |
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// developer forgetting to specify 'epocallowdlldata'. |
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// call entry point from here to keep the compiler happy |
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const char* entry_name = "_E32Dll" ; |
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TLinAddr ep = (TLinAddr)Emulator::GetProcAddress(aModule, entry_name); |
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__NK_ASSERT_ALWAYS(ep!=0); |
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ForceEntryPointCall(ep); |
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} |
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const IMAGE_IMPORT_DESCRIPTOR* imports = etm.Imports(); |
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if (imports) |
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{ |
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for (; imports->Characteristics; ++imports ) |
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{ |
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__KTRACE_OPT(KDLL, { TPtrC8 n((const TText8*)etm.Translate(imports->Name)); Kern::Printf("Importing from %S", &n);} ); |
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Emulator::TModule imp_etm((PCSTR)etm.Translate(imports->Name)); |
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if (!imp_etm.IsValid()) |
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{ |
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__KTRACE_OPT(KDLL, Kern::Printf("Spurious import")); |
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continue; |
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} |
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if (imp_etm.Section(KWin32SectionName_Symbian) == 0) |
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{ |
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__KTRACE_OPT(KDLL, Kern::Printf("Not EPOC Module")); |
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continue; // not an epoc DLL |
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} |
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r=GatherDependencies(imp_etm.iModule); |
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if (r!=KErrNone) |
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return r; |
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} |
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} |
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__KTRACE_OPT(KDLL, Kern::Printf("<DModuleList::GatherDependencies %08x %08x %C", aModule, iMain, iMain)); |
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return KErrNone; |
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} |
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#ifdef __VC32__ |
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#pragma warning( disable : 4701 ) // disable warning C4701: local variable 'missingCaps' may be used without having been initialized |
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#endif |
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/** |
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Iterate through imports (if any) of each SModule in list. Populate iDepList with the indicies (in iModules) |
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of directly required modules. Checks that dependencies are legal under platsec. |
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@return KErrNone on success. |
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*/ |
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TInt DModuleList::CompileDepLists() |
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{ |
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__KTRACE_OPT(KDLL, Kern::Printf(">DModuleList::CompileDepLists")); |
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TInt result=KErrNone; |
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TInt c=iModules.Count(); |
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SModule* pM=(SModule*)&iModules[0]; |
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SModule* pE=pM+c; |
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for (; pM<pE; ++pM) |
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{ |
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pM->iDepList=(TInt*)Kern::Alloc(c*sizeof(TInt)); |
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if (!pM->iDepList) |
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return KErrNoMemory; |
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memset(pM->iDepList, 0xff, c*sizeof(TInt)); |
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Emulator::TModule etm((HINSTANCE)pM->iModuleHandle); |
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const IMAGE_IMPORT_DESCRIPTOR* imports = etm.Imports(); |
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__KTRACE_OPT(KDLL, Kern::Printf("Module %08x, imports=%08x flags=%08x", pM->iModuleHandle, imports, pM->iFlags)); |
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if (!imports || (pM->iFlags&EFlagAlwaysLoaded)) |
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continue; |
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const SCapabilitySet& cap = pM->iS.iCaps; |
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const SCapabilitySet& disabledCaps=*(SCapabilitySet*)&TheSuperPage().iDisabledCapabilities; |
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344 |
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TInt* pI=pM->iDepList; |
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for (; imports->Characteristics; ++imports ) |
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{ |
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Emulator::TModule imp_etm((PCSTR)etm.Translate(imports->Name)); |
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||
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if (!imp_etm.IsValid()) |
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continue; // spurious import |
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if (imp_etm.Section(KWin32SectionName_Symbian) == 0) |
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continue; // not an epoc DLL |
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TInt ix=Find((TInt)imp_etm.iModule); |
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__ASSERT_ALWAYS(ix>=0, MM::Panic(MM::ECompileDepLists)); |
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*pI++=ix; |
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__KTRACE_OPT(KDLL, Kern::Printf("Depends on %08x, ix=%d", imp_etm.iModule, ix)); |
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360 |
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const SModule& dep = iModules[ix]; |
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362 |
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363 |
SCapabilitySet missingCaps; |
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364 |
SCapabilitySet depCaps = dep.iS.iCaps; |
|
365 |
TUint32 checkFail = 0; |
|
366 |
for (TInt i=0; i<SCapabilitySet::ENCapW; ++i) |
|
367 |
{ |
|
368 |
depCaps[i] = dep.iS.iCaps[i]|disabledCaps[i]; |
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369 |
TUint32 missing = cap[i] & ~depCaps[i]; |
|
370 |
missingCaps[i] = missing; |
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371 |
checkFail |= missing; |
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} |
|
373 |
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374 |
__KTRACE_OPT(KDLL, Kern::Printf("Cap=%08x %08x, DepCap=%08x %08x", cap[1], cap[0], depCaps[1], depCaps[0])); |
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||
376 |
if (checkFail) |
|
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{ |
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TUint8 mainBuf8[MAX_PATH]; |
|
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TInt mainlen; |
|
380 |
{ |
|
381 |
TUint16 mainBuf[MAX_PATH]; |
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24
18d195b75193
Created separate CMakeLists.txt for euser and ekern to easily build them with different compiler definitions. Ekern now building as a DLL.
Slion
parents:
0
diff
changeset
|
382 |
mainlen=Emulator::GetModuleFileName(reinterpret_cast<HMODULE>(pM->iModuleHandle),(LPWSTR)mainBuf); |
0 | 383 |
TruncToNarrow(mainBuf8, mainBuf, mainlen); |
384 |
} |
|
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TPtrC mainp(mainBuf8,mainlen); |
|
386 |
TInt ix=mainp.LocateReverse('\\'); |
|
387 |
if (ix>=0) |
|
388 |
mainp.Set(mainp.Mid(ix+1)); |
|
389 |
if (mainp.Length() && mainp[mainp.Length()-1]==')' && (ix=mainp.LocateReverse('('))>=0) |
|
390 |
mainp.Set(mainp.Left(ix)); |
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391 |
||
392 |
TUint8 depBuf8[MAX_PATH]; |
|
393 |
TInt deplen; |
|
394 |
{ |
|
395 |
TUint16 depBuf[MAX_PATH]; |
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24
18d195b75193
Created separate CMakeLists.txt for euser and ekern to easily build them with different compiler definitions. Ekern now building as a DLL.
Slion
parents:
0
diff
changeset
|
396 |
deplen=Emulator::GetModuleFileName(reinterpret_cast<HMODULE>(dep.iModuleHandle),(LPWSTR)depBuf); |
0 | 397 |
TruncToNarrow(depBuf8, depBuf, deplen); |
398 |
} |
|
399 |
TPtrC depp(depBuf8,deplen); |
|
400 |
if ((ix=depp.LocateReverse('\\'))>=0) |
|
401 |
depp.Set(depp.Mid(ix+1)); |
|
402 |
#ifndef __REMOVE_PLATSEC_DIAGNOSTICS__ |
|
403 |
TInt r = PlatSec::LoaderCapabilityViolation(mainp, depp, missingCaps); |
|
404 |
#else //__REMOVE_PLATSEC_DIAGNOSTICS__ |
|
405 |
TInt r = PlatSec::EmitDiagnostic(); |
|
406 |
#endif // !__REMOVE_PLATSEC_DIAGNOSTICS__ |
|
407 |
if(r!=KErrNone) |
|
408 |
result=r; |
|
409 |
} |
|
410 |
} |
|
411 |
} |
|
412 |
return result; |
|
413 |
} |
|
414 |
||
415 |
#ifdef __VC32__ |
|
416 |
#pragma warning( default : 4701 ) // enable warning C4701: local variable 'missingCaps' may be used without having been initialized |
|
417 |
#endif |
|
418 |
||
419 |
void DModuleList::SetFlags() |
|
420 |
{ |
|
421 |
__KTRACE_OPT(KDLL, Kern::Printf("DModuleList::SetFlags")); |
|
422 |
TInt c=iModules.Count(); |
|
423 |
SModule* pM=(SModule*)&iModules[0]; |
|
424 |
SModule* pE=pM+c; |
|
425 |
for (; pM<pE; ++pM) |
|
426 |
{ |
|
427 |
SModule* pM2=(SModule*)&iModules[0]; |
|
428 |
for (; pM2<pE; ++pM2) |
|
429 |
pM2->iFlags &= ~EFlagMark; |
|
430 |
TUint32 flags=Flags(pM); |
|
431 |
if (flags & EFlagData) |
|
432 |
pM->iFlags|=EFlagDataPresent; |
|
433 |
if (flags & EFlagExe) |
|
434 |
pM->iFlags|=EFlagExeInTree; |
|
435 |
__KTRACE_OPT(KDLL, Kern::Printf("Module %08x Flags=%08x", pM->iModuleHandle, pM->iFlags)); |
|
436 |
} |
|
437 |
pM=(SModule*)&iModules[0]; |
|
438 |
for (; pM<pE; ++pM) |
|
439 |
{ |
|
440 |
TInt dc=0; |
|
441 |
const TInt* pI=pM->iDepList; |
|
442 |
const TInt* pIE=pI+c; |
|
443 |
while (pI<pIE) |
|
444 |
{ |
|
445 |
TInt ix=*pI++; |
|
446 |
if (ix<0) |
|
447 |
break; |
|
448 |
TUint32 mflags=iModules[ix].iFlags; |
|
449 |
if ( (mflags&(EFlagDataPresent|EFlagExeInTree)) && !(mflags&EFlagAlwaysLoaded)) |
|
450 |
++dc; |
|
451 |
} |
|
452 |
pM->iDepCount=dc; |
|
453 |
__KTRACE_OPT(KDLL, Kern::Printf("Module %08x DepCount=%d", pM->iModuleHandle, pM->iDepCount)); |
|
454 |
} |
|
455 |
} |
|
456 |
||
457 |
TUint32 DModuleList::Flags(SModule* aM) |
|
458 |
{ |
|
459 |
TUint32 flags=aM->iFlags; |
|
460 |
__KTRACE_OPT(KDLL, Kern::Printf(">DModuleList::Flags %08x", aM->iModuleHandle)); |
|
461 |
if ((aM->iFlags & EFlagMark)==0) |
|
462 |
{ |
|
463 |
aM->iFlags |= EFlagMark; |
|
464 |
const TInt* pI=aM->iDepList; |
|
465 |
const TInt* pE=pI+iModules.Count(); |
|
466 |
while (pI<pE) |
|
467 |
{ |
|
468 |
TInt ix=*pI++; |
|
469 |
if (ix<0) |
|
470 |
break; |
|
471 |
TUint32 mflags=Flags(&iModules[ix]); |
|
472 |
if (mflags&EFlagExe) |
|
473 |
mflags&=~EFlagData; |
|
474 |
flags |= mflags; |
|
475 |
} |
|
476 |
} |
|
477 |
__KTRACE_OPT(KDLL, Kern::Printf("<DModuleList::Flags %08x = %08x", aM->iModuleHandle, flags)); |
|
478 |
return flags; |
|
479 |
} |
|
480 |
||
481 |
TInt DModuleList::LoadDependencies() |
|
482 |
{ |
|
483 |
__KTRACE_OPT(KDLL, Kern::Printf("DModuleList::LoadDependencies")); |
|
484 |
TInt c=iModules.Count(); |
|
485 |
SModule* pM=(SModule*)&iModules[0]; |
|
486 |
SModule* pE=pM+c; |
|
487 |
for (; pM<pE; ++pM) |
|
488 |
{ |
|
489 |
DWin32CodeSeg* pS; |
|
490 |
TUint32 flags=pM->iFlags; |
|
491 |
__KTRACE_OPT(KDLL, Kern::Printf("ModuleHandle %08x flags %08x", pM->iModuleHandle, flags)); |
|
492 |
if (!(flags & (EFlagDataPresent|EFlagExeInTree)) || (flags&EFlagAlwaysLoaded)) |
|
493 |
continue; |
|
494 |
SWin32Module w32m; |
|
495 |
w32m.iWin32ModuleHandle=(TLinAddr)pM->iModuleHandle; |
|
496 |
w32m.iCodeSeg=NULL; |
|
497 |
TInt ix=MM::Win32Modules.FindInUnsignedKeyOrder(w32m); |
|
498 |
__KTRACE_OPT(KDLL, Kern::Printf("GlobalIndex=%d", ix)); |
|
499 |
if (ix<0 && (flags & EFlagExe)) |
|
500 |
return KErrNotSupported; // we never implicitly load an EXE |
|
501 |
if (ix>=0) |
|
502 |
{ |
|
503 |
pS=MM::Win32Modules[ix].iCodeSeg; |
|
504 |
__KTRACE_OPT(KDLL, Kern::Printf("Already loaded; CSEG=%08x %C", pS, pS)); |
|
505 |
if (pS==iMain) |
|
506 |
{ |
|
507 |
pS->iDepCount=pM->iDepCount; |
|
508 |
if (pS->iDepCount) |
|
509 |
{ |
|
510 |
pS->iDeps=(DCodeSeg**)Kern::AllocZ(pS->iDepCount*sizeof(DCodeSeg*)); |
|
511 |
if (!pS->iDeps) |
|
512 |
return KErrNoMemory; |
|
513 |
} |
|
514 |
} |
|
515 |
else |
|
516 |
{ |
|
517 |
if (!(pS->iMark & DCodeSeg::EMarkLdr)) |
|
518 |
{ |
|
519 |
pS->iMark |= DCodeSeg::EMarkLdr; |
|
520 |
pS->CheckedOpen(); |
|
521 |
} |
|
522 |
pM->iFlags|=EFlagAlreadyLoaded; |
|
523 |
} |
|
524 |
pM->iCodeSeg=pS; |
|
525 |
continue; |
|
526 |
} |
|
527 |
__KTRACE_OPT(KDLL, Kern::Printf("Create new, depcount=%d", pM->iDepCount)); |
|
528 |
pS=new DWin32CodeSeg; |
|
529 |
if (!pS) |
|
530 |
return KErrNoMemory; |
|
531 |
TInt r=pS->CreateAlreadyLoaded((HMODULE)pM->iModuleHandle, pM->iDepCount); |
|
532 |
if (r!=KErrNone) |
|
533 |
{ |
|
534 |
delete pS; |
|
535 |
return r; |
|
536 |
} |
|
537 |
pM->iCodeSeg=pS; |
|
538 |
pS->iS = pM->iS; |
|
539 |
pS->iModuleVersion = pM->iModuleVersion; |
|
540 |
if (iMain->iAttr & ECodeSegAttKernel) |
|
541 |
pS->iAttr |= ECodeSegAttKernel; |
|
542 |
if (flags & EFlagData) |
|
543 |
{ |
|
544 |
pS->iMark |= DCodeSeg::EMarkData|DCodeSeg::EMarkDataPresent; |
|
545 |
if (!(flags&EFlagExe)) |
|
546 |
pS->iMark |= DCodeSeg::EMarkDataInit; |
|
547 |
} |
|
548 |
if ( (flags & EFlagData) || ((flags&(EFlagExe|EFlagExeInTree))==EFlagExeInTree) ) |
|
549 |
{ |
|
550 |
if (iAttachProcess) |
|
551 |
{ |
|
552 |
pS->iExeCodeSeg = iAttachProcess->CodeSeg(); |
|
553 |
pS->SetAttachProcess(iAttachProcess); |
|
554 |
} |
|
555 |
} |
|
556 |
} |
|
557 |
return KErrNone; |
|
558 |
} |
|
559 |
||
560 |
void DModuleList::LinkDependencies() |
|
561 |
{ |
|
562 |
__KTRACE_OPT(KDLL, Kern::Printf("DModuleList::LinkDependencies")); |
|
563 |
TInt c=iModules.Count(); |
|
564 |
SModule* pM=(SModule*)&iModules[0]; |
|
565 |
SModule* pE=pM+c; |
|
566 |
for (; pM<pE; ++pM) |
|
567 |
{ |
|
568 |
DWin32CodeSeg* pS=pM->iCodeSeg; |
|
569 |
if (!pS || (pM->iFlags&EFlagAlreadyLoaded)) |
|
570 |
continue; |
|
571 |
const TInt* pI=pM->iDepList; |
|
572 |
const TInt* pIE=pI+c; |
|
573 |
while (pI<pIE) |
|
574 |
{ |
|
575 |
TInt ix=*pI++; |
|
576 |
if (ix<0) |
|
577 |
break; |
|
578 |
DWin32CodeSeg* pD=iModules[ix].iCodeSeg; |
|
579 |
if (pD) |
|
580 |
pS->iDeps[pS->iNextDep++]=pD; |
|
581 |
} |
|
582 |
} |
|
583 |
pM=(SModule*)&iModules[0]; |
|
584 |
} |
|
585 |
||
586 |
TInt DModuleList::Loaded() |
|
587 |
{ |
|
588 |
__KTRACE_OPT(KDLL, Kern::Printf("DModuleList::Loaded()")); |
|
589 |
TInt c=iModules.Count(); |
|
590 |
SModule* pM=(SModule*)&iModules[0]; |
|
591 |
SModule* pE=pM+c; |
|
592 |
TInt r=KErrNone; |
|
593 |
for (; pM<pE && r==KErrNone; ++pM) |
|
594 |
{ |
|
595 |
DWin32CodeSeg* pS=pM->iCodeSeg; |
|
596 |
if (pS && pS!=iMain) |
|
597 |
{ |
|
598 |
pS->FinaliseRecursiveFlags(); |
|
599 |
pS->iMark |= DCodeSeg::EMarkLoaded; |
|
600 |
} |
|
601 |
} |
|
602 |
if (r==KErrNone) |
|
603 |
{ |
|
604 |
pM=(SModule*)&iModules[0]; |
|
605 |
for (; pM<pE; ++pM) |
|
606 |
pM->iCodeSeg=NULL; // cleanup will occur by EMarkLdr if needed |
|
607 |
} |
|
608 |
return r; |
|
609 |
} |
|
610 |
||
611 |
TInt MakeDll(HANDLE aFile) |
|
612 |
{ |
|
613 |
IMAGE_DOS_HEADER dosh; |
|
614 |
DWORD bytes; |
|
615 |
ReadFile(aFile, &dosh, sizeof(dosh), &bytes, NULL); |
|
616 |
if ( IMAGE_DOS_SIGNATURE != dosh.e_magic ) |
|
617 |
return KErrArgument; |
|
618 |
if (dosh.e_lfarlc < sizeof(dosh)) |
|
619 |
return KErrArgument; |
|
620 |
SetFilePointer(aFile,dosh.e_lfanew,NULL,FILE_BEGIN); |
|
621 |
IMAGE_NT_HEADERS32 peh; |
|
622 |
ReadFile(aFile, &peh, sizeof(peh), &bytes, NULL); |
|
623 |
if ( peh.Signature != IMAGE_NT_SIGNATURE ) |
|
624 |
return KErrArgument; |
|
625 |
||
626 |
peh.FileHeader.Characteristics |= IMAGE_FILE_DLL; |
|
627 |
peh.OptionalHeader.AddressOfEntryPoint = 0; |
|
628 |
SetFilePointer(aFile,dosh.e_lfanew,NULL,FILE_BEGIN); |
|
629 |
WriteFile(aFile, &peh, sizeof(peh), &bytes, NULL); |
|
630 |
return KErrNone; |
|
631 |
} |
|
632 |
||
633 |
wchar_t* TempModuleName(const wchar_t* aExe) |
|
634 |
{ |
|
635 |
static TInt ModuleGeneration = 0; |
|
636 |
static TInt Time = 0; |
|
637 |
||
638 |
WCHAR ex_[KMaxFileName + 1]; |
|
639 |
||
640 |
if (!Time) |
|
641 |
{ |
|
642 |
SYSTEMTIME st; |
|
643 |
GetSystemTime(&st); |
|
644 |
Time = st.wSecond + st.wMinute*60 + st.wHour*3600; |
|
645 |
} |
|
646 |
||
647 |
const char* imagePath = Property::GetString("EmulatorImagePath"); |
|
648 |
WCHAR* p = ex_; |
|
649 |
while ((*p++ = *imagePath++) != 0) |
|
650 |
; |
|
651 |
wcscpy(p-1, wcsrchr(aExe, '\\') + 1); |
|
652 |
p = ex_ + wcslen(ex_); |
|
653 |
*p++ = '('; |
|
654 |
_itow(Time, p, 36); |
|
655 |
p += wcslen(p); |
|
656 |
*p++ = '-'; |
|
657 |
_itow(ModuleGeneration++, p, 10); |
|
658 |
p += wcslen(p); |
|
659 |
*p++ = ')'; |
|
660 |
*p++ = '\0'; |
|
661 |
wchar_t* file = (wchar_t*)Kern::Alloc((p-ex_)*sizeof(WCHAR)); |
|
662 |
if (file) |
|
663 |
wcscpy(file, ex_); |
|
664 |
return file; |
|
665 |
} |
|
666 |
||
667 |
DCodeSeg* M::NewCodeSeg(TCodeSegCreateInfo&) |
|
668 |
// |
|
669 |
// Create a new instance of this class. |
|
670 |
// |
|
671 |
{ |
|
672 |
||
673 |
__KTRACE_OPT(KDLL,Kern::Printf("M::NewCodeSeg")); |
|
674 |
return new DWin32CodeSeg; |
|
675 |
} |
|
676 |
||
677 |
DWin32CodeSeg::DWin32CodeSeg() |
|
678 |
// |
|
679 |
// Constructor |
|
680 |
// |
|
681 |
{ |
|
682 |
} |
|
683 |
||
684 |
DWin32CodeSeg::~DWin32CodeSeg() |
|
685 |
// |
|
686 |
// Destructor |
|
687 |
// |
|
688 |
{ |
|
689 |
__KTRACE_OPT(KDLL,Kern::Printf("DWin32CodeSeg::Destruct %C", this)); |
|
690 |
DBase::Delete(iModuleList); |
|
691 |
if (iWinInstance) |
|
692 |
{ |
|
693 |
DCodeSeg::Wait(); |
|
694 |
SWin32Module w32m; |
|
695 |
w32m.iWin32ModuleHandle=(TLinAddr)iModuleHandle; |
|
696 |
w32m.iCodeSeg=NULL; |
|
697 |
TInt ix=MM::Win32Modules.FindInUnsignedKeyOrder(w32m); |
|
698 |
if (ix>=0) |
|
699 |
{ |
|
700 |
if (iAlwaysLoaded) |
|
701 |
MM::Win32Modules[ix].iCodeSeg=NULL; |
|
702 |
else |
|
703 |
MM::Win32Modules.Remove(ix); |
|
704 |
} |
|
705 |
// Kernel process has to be told to unmap code seg to work round |
|
706 |
// a problem where failed driver code seg is not unmapped before delete |
|
707 |
K::TheKernelProcess->UnmapCodeSeg(this); |
|
708 |
Emulator::FreeLibrary(iWinInstance); |
|
709 |
DCodeSeg::Signal(); |
|
710 |
} |
|
711 |
if (iModuleFile) |
|
712 |
{ |
|
713 |
Emulator::DeleteFile(iModuleFile); |
|
714 |
Kern::Free(iModuleFile); |
|
715 |
} |
|
716 |
Kern::Free(iDataCopy); |
|
717 |
DCodeSeg::Destruct(); |
|
718 |
} |
|
719 |
||
720 |
TInt DWin32CodeSeg::DoCreate(TCodeSegCreateInfo& aInfo, DProcess* aProcess) |
|
721 |
{ |
|
722 |
__KTRACE_OPT(KDLL,Kern::Printf("DWin32CodeSeg::DoCreate %C proc %O", this, aProcess)); |
|
723 |
||
724 |
TBool exe=(iExeCodeSeg==this); |
|
725 |
if (exe && (iAttr&ECodeSegAttKernel)) |
|
726 |
{ |
|
727 |
// loading EKERN.EXE |
|
728 |
__KTRACE_OPT(KDLL,Kern::Printf("W32CodeSeg : EKERN")); |
|
729 |
TUint16 fileNameW[KMaxFileName]; |
|
730 |
ExpandToWide(fileNameW, iFileName->Ptr(), iFileName->Length()); |
|
731 |
fileNameW[iFileName->Length()] = '\0'; |
|
24
18d195b75193
Created separate CMakeLists.txt for euser and ekern to easily build them with different compiler definitions. Ekern now building as a DLL.
Slion
parents:
0
diff
changeset
|
732 |
iWinInstance = Emulator::LoadLibrary((LPCWSTR)fileNameW); |
0 | 733 |
__KTRACE_OPT(KDLL,Kern::Printf("W32CodeSeg : EKERN %08x", iWinInstance)); |
734 |
if (!iWinInstance) |
|
735 |
return KErrGeneral; |
|
736 |
if (aInfo.iTotalDataSize) |
|
737 |
iMark|=EMarkData|EMarkDataPresent; |
|
738 |
KernelCodeSeg=this; |
|
24
18d195b75193
Created separate CMakeLists.txt for euser and ekern to easily build them with different compiler definitions. Ekern now building as a DLL.
Slion
parents:
0
diff
changeset
|
739 |
KernelModuleHandle=Emulator::GetModuleHandle((LPCWSTR)fileNameW); |
0 | 740 |
return RegisterCodeSeg(KernelModuleHandle); |
741 |
} |
|
742 |
TWin32Filename w32fn(*iFileName); |
|
743 |
__KTRACE_OPT(KDLL,Kern::Printf("W32CodeSeg : w32fn=%S",iFileName)) |
|
744 |
DWin32Process* p=(DWin32Process*)aProcess; |
|
745 |
TInt r=KErrNone; |
|
746 |
DCodeSeg::Wait(); |
|
747 |
HMODULE h = Emulator::GetModuleHandle(w32fn); |
|
748 |
__KTRACE_OPT(KDLL,Kern::Printf("W32CodeSeg : h=%08x exe=%08x",h,exe)); |
|
749 |
if (h && exe) |
|
750 |
{ |
|
751 |
if (h == GetModuleHandleA(NULL)) |
|
752 |
{ |
|
753 |
// This was the executable that was used to run the emulator |
|
754 |
// so all relocations will be valid and we can use it |
|
755 |
__KTRACE_OPT(KDLL,Kern::Printf("W32CodeSeg : initial exe")); |
|
756 |
if (BootComplete) |
|
757 |
goto makecopy; // we can only do this once however |
|
758 |
iWinInstance = Emulator::LoadLibrary(w32fn); |
|
759 |
BootComplete = ETrue; |
|
760 |
} |
|
761 |
else |
|
762 |
r=KErrAlreadyExists; // can't load same EXEXP twice |
|
763 |
} |
|
764 |
else if (h) |
|
765 |
{ |
|
766 |
// Already loaded DLL |
|
767 |
// Code segment doesn't exist so create it |
|
768 |
__KTRACE_OPT(KDLL,Kern::Printf("Already loaded, module %08x",h)); |
|
769 |
iWinInstance = Emulator::LoadLibrary(w32fn); |
|
770 |
} |
|
771 |
else if (iAttr & ECodeSegAttHDll) |
|
772 |
{ |
|
773 |
// EXE with exports (EXEXP target) - can only have one instance |
|
774 |
// or DLL not already loaded |
|
775 |
__KTRACE_OPT(KDLL,Kern::Printf("W32CodeSeg : EXEXP or new DLL")); |
|
776 |
iWinInstance = Emulator::LoadLibrary(w32fn); |
|
777 |
if (iWinInstance) |
|
778 |
h=Emulator::GetModuleHandle(w32fn); |
|
779 |
} |
|
780 |
else |
|
781 |
{ |
|
782 |
// EXE with no exports. In order that multiple instances of the EXE may be run, |
|
783 |
// we make a copy of the EXE file to a name which is unique across instances, |
|
784 |
// set the DLL flag and load it as a DLL. |
|
785 |
makecopy: |
|
786 |
__KTRACE_OPT(KDLL,Kern::Printf("W32CodeSeg : MakeCopy")); |
|
787 |
h=0; |
|
788 |
iModuleFile = TempModuleName(w32fn); |
|
789 |
if (!iModuleFile) |
|
790 |
r=KErrNoMemory; |
|
791 |
else if (Emulator::CopyFile(w32fn,iModuleFile,FALSE)) |
|
792 |
{ |
|
793 |
DWORD fattr = Emulator::GetFileAttributes(iModuleFile); |
|
794 |
if (fattr != 0xffffffff && Emulator::SetFileAttributes(iModuleFile, fattr & ~FILE_ATTRIBUTE_READONLY)) |
|
795 |
{ |
|
796 |
HANDLE f = Emulator::CreateFile(iModuleFile,GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_FLAG_RANDOM_ACCESS,NULL); |
|
797 |
if (INVALID_HANDLE_VALUE != f) |
|
798 |
{ |
|
799 |
r = MakeDll(f); |
|
800 |
CloseHandle(f); |
|
801 |
if (r==KErrNone) |
|
802 |
{ |
|
803 |
iWinInstance = Emulator::LoadLibrary(iModuleFile); |
|
804 |
if (iWinInstance) |
|
805 |
h=Emulator::GetModuleHandle(iModuleFile); |
|
806 |
} |
|
807 |
} |
|
808 |
} |
|
809 |
} |
|
810 |
} |
|
811 |
__KTRACE_OPT(KDLL,Kern::Printf("W32CodeSeg : line %d r=%d iWinInstance=%08x",__LINE__,r,iWinInstance)); |
|
812 |
if (r==KErrNone && !iWinInstance) |
|
813 |
r=Emulator::LastError(); |
|
814 |
__KTRACE_OPT(KDLL,Kern::Printf("W32CodeSeg : line %d r=%d",__LINE__,r)); |
|
815 |
if (r==KErrNone) |
|
816 |
{ |
|
817 |
const char* entry_name = exe ? "_E32Startup" : "_E32Dll" ; |
|
818 |
aInfo.iFileEntryPoint = (TLinAddr)Emulator::GetProcAddress(iWinInstance, entry_name); |
|
819 |
if (!aInfo.iFileEntryPoint) |
|
820 |
r=KErrNotSupported; |
|
821 |
else |
|
822 |
r=RegisterCodeSeg(h); |
|
823 |
if (r == KErrNone) |
|
824 |
r = CopyDataBss(); |
|
825 |
} |
|
826 |
if (r==KErrNone && aInfo.iTotalDataSize && !iAlwaysLoaded) |
|
827 |
{ |
|
828 |
iMark|=EMarkData|EMarkDataPresent; |
|
829 |
if (!exe) |
|
830 |
iMark|=EMarkDataInit; |
|
831 |
} |
|
832 |
||
833 |
if (r==KErrNone) |
|
834 |
r=ProcessImports(p); |
|
835 |
__KTRACE_OPT(KDLL, DumpWin32CodeSeg(*this)); |
|
836 |
DCodeSeg::Signal(); |
|
837 |
return r; |
|
838 |
} |
|
839 |
||
840 |
TInt DWin32CodeSeg::RegisterCodeSeg(HMODULE aModule) |
|
841 |
{ |
|
842 |
__KTRACE_OPT(KDLL, Kern::Printf("DWin32CodeSeg %C RegisterCodeSeg(%08x)", this, aModule)); |
|
843 |
Emulator::TModule etm(aModule); |
|
844 |
const IMAGE_NT_HEADERS32* nth=etm.NtHeader(); |
|
845 |
iRunAddress = (TLinAddr)aModule; |
|
846 |
iSize = nth->OptionalHeader.SizeOfImage; |
|
847 |
SWin32Module w32m; |
|
848 |
w32m.iWin32ModuleHandle=(TLinAddr)aModule; |
|
849 |
w32m.iCodeSeg=this; |
|
850 |
TInt r=KErrNone; |
|
851 |
TInt ix=MM::Win32Modules.FindInUnsignedKeyOrder(w32m); |
|
852 |
if (ix>=0) |
|
853 |
{ |
|
854 |
SWin32Module& wmr=MM::Win32Modules[ix]; |
|
855 |
__ASSERT_ALWAYS(!wmr.iCodeSeg, MM::Panic(MM::EInvalidSharedModule)); |
|
856 |
wmr.iCodeSeg=this; |
|
857 |
iAlwaysLoaded=ETrue; |
|
858 |
} |
|
859 |
else |
|
860 |
r=MM::Win32Modules.InsertInUnsignedKeyOrder(w32m); |
|
861 |
if (r==KErrNone) |
|
862 |
{ |
|
863 |
iModuleHandle=aModule; |
|
864 |
iCodeSegId=++MM::NextCodeSegId; |
|
865 |
} |
|
866 |
return r; |
|
867 |
} |
|
868 |
||
869 |
TInt DWin32CodeSeg::CreateAlreadyLoaded(HMODULE aModule, TInt aDepCount) |
|
870 |
{ |
|
871 |
__KTRACE_OPT(KDLL, Kern::Printf("DWin32CodeSeg %08x CreateAlreadyLoaded(%08x,%d)", this, aModule, aDepCount)); |
|
872 |
Emulator::TModule etm(aModule); |
|
873 |
etm.GetUids(iUids); |
|
874 |
TInt32 uid1=iUids.iUid[0].iUid; |
|
875 |
if (uid1!=KDynamicLibraryUidValue) // only implicitly load DLLs |
|
876 |
return KErrNotSupported; |
|
877 |
||
878 |
WCHAR name[MAX_PATH+1]; |
|
879 |
TInt r=Emulator::GetModuleFileName(aModule, name); |
|
880 |
if (!r) |
|
881 |
return Emulator::LastError(); |
|
882 |
TUint8 name8[MAX_PATH+1]; |
|
24
18d195b75193
Created separate CMakeLists.txt for euser and ekern to easily build them with different compiler definitions. Ekern now building as a DLL.
Slion
parents:
0
diff
changeset
|
883 |
TruncToNarrow(name8,(const TUint16*)name,-1); |
0 | 884 |
|
885 |
TPtrC fpptr((const TText*)name8); |
|
886 |
TInt slash=fpptr.LocateReverse('\\'); |
|
887 |
TPtrC nptr=fpptr.Mid(slash+1); |
|
888 |
iFileName=HBuf::New(nptr); |
|
889 |
if (!iFileName) |
|
890 |
return KErrNoMemory; |
|
891 |
iRootName.Set(*iFileName); |
|
892 |
iExtOffset = iFileName->LocateReverse('.'); |
|
893 |
if (iExtOffset==KErrNotFound) |
|
894 |
iExtOffset = iFileName->Length(); |
|
895 |
iModuleVersion = 0x00010000u; |
|
896 |
iDepCount=aDepCount; |
|
897 |
if (iDepCount) |
|
898 |
{ |
|
899 |
iDeps=(DCodeSeg**)Kern::AllocZ(iDepCount*sizeof(DCodeSeg*)); |
|
900 |
if (!iDeps) |
|
901 |
return KErrNoMemory; |
|
902 |
} |
|
903 |
iWinInstance = Emulator::LoadLibrary(name); |
|
904 |
if (!iWinInstance) |
|
905 |
return Emulator::LastError(); |
|
906 |
iFileEntryPoint = (TLinAddr)Emulator::GetProcAddress(iWinInstance, "_E32Dll"); |
|
907 |
if (!iFileEntryPoint) |
|
908 |
return KErrNotSupported; |
|
909 |
iEntryPtVeneer = iFileEntryPoint; |
|
910 |
r=RegisterCodeSeg(aModule); |
|
911 |
if (r == KErrNone) |
|
912 |
r = CopyDataBss(); |
|
913 |
if (r == KErrNone) |
|
914 |
r = CodeSegsByName.InsertInOrderAllowRepeats(this, &CompareCodeSegsByName); |
|
915 |
if (r == KErrNone) |
|
916 |
r = CodeSegsByAddress.Add(this); |
|
917 |
if (r==KErrNone) |
|
918 |
{ |
|
919 |
GlobalList.Add(&iLink); |
|
920 |
iAsyncDeleteNext=this; |
|
921 |
} |
|
922 |
__KTRACE_OPT(KDLL, DumpWin32CodeSeg(*this)); |
|
923 |
return r; |
|
924 |
} |
|
925 |
||
926 |
TInt DWin32CodeSeg::CopyDataBss() |
|
927 |
{ |
|
928 |
__KTRACE_OPT(KDLL, Kern::Printf("DWin32CodeSeg::CopyDataBss()")); |
|
929 |
||
930 |
Emulator::TModule etm(iModuleHandle); |
|
931 |
const TEmulatorImageHeader* hdr = (const TEmulatorImageHeader*)etm.Section(KWin32SectionName_Symbian); |
|
932 |
if (!(hdr->iFlags & KEmulatorImageFlagAllowDllData)) |
|
933 |
return KErrNone; |
|
934 |
const IMAGE_SECTION_HEADER* data=etm.SectionHeader(KWin32SectionName_EpocData); |
|
935 |
const IMAGE_SECTION_HEADER* bss=etm.SectionHeader(KWin32SectionName_EpocBss); |
|
936 |
if (data) |
|
937 |
{ |
|
938 |
iRealDataSize = data->Misc.VirtualSize; |
|
939 |
iDataDest = (TLinAddr)etm.Translate(data->VirtualAddress); |
|
940 |
iDataCopy = Kern::Alloc(iRealDataSize); |
|
941 |
if (!iDataCopy) |
|
942 |
return KErrNoMemory; |
|
943 |
memcpy(iDataCopy, (const TAny*)iDataDest, iRealDataSize); |
|
944 |
} |
|
945 |
if (bss) |
|
946 |
{ |
|
947 |
iRealBssSize = bss->Misc.VirtualSize; |
|
948 |
iBssDest = (TLinAddr)etm.Translate(bss->VirtualAddress); |
|
949 |
} |
|
950 |
return KErrNone; |
|
951 |
} |
|
952 |
||
953 |
TInt DWin32CodeSeg::ProcessImports(DProcess* aProcess) |
|
954 |
{ |
|
955 |
__KTRACE_OPT(KDLL, Kern::Printf("DWin32CodeSeg::ProcessImports(%O)", aProcess)); |
|
956 |
iModuleList=new DModuleList(this, aProcess); |
|
957 |
if (!iModuleList) |
|
958 |
return KErrNoMemory; |
|
959 |
TInt r=iModuleList->GatherDependencies(iModuleHandle); |
|
960 |
if (r!=KErrNone) |
|
961 |
return r; |
|
962 |
TInt ix=iModuleList->Find((TInt)iModuleHandle); |
|
963 |
DModuleList::SModule& mm=iModuleList->iModules[ix]; |
|
964 |
r=iModuleList->CompileDepLists(); |
|
965 |
if (r==KErrNone) |
|
966 |
{ |
|
967 |
iModuleList->SetFlags(); |
|
968 |
r=iModuleList->LoadDependencies(); |
|
969 |
if (r==KErrNone) |
|
970 |
{ |
|
971 |
if ((mm.iFlags&(DModuleList::EFlagDataPresent|DModuleList::EFlagExeInTree)) && !(mm.iFlags&DModuleList::EFlagAlwaysLoaded)) |
|
972 |
{ |
|
973 |
if (aProcess) |
|
974 |
{ |
|
975 |
iExeCodeSeg=aProcess->CodeSeg(); |
|
976 |
SetAttachProcess(aProcess); |
|
977 |
} |
|
978 |
} |
|
979 |
iModuleList->LinkDependencies(); |
|
980 |
} |
|
981 |
} |
|
982 |
return r; |
|
983 |
} |
|
984 |
||
985 |
TInt DWin32CodeSeg::Loaded(TCodeSegCreateInfo& aInfo) |
|
986 |
{ |
|
987 |
__KTRACE_OPT(KDLL, Kern::Printf("DWin32CodeSeg::Loaded()")); |
|
988 |
TInt r=KErrNone; |
|
989 |
if (iModuleList) |
|
990 |
{ |
|
991 |
r=iModuleList->Loaded(); |
|
992 |
if (r==KErrNone) |
|
993 |
{ |
|
994 |
DBase::Delete(iModuleList); |
|
995 |
iModuleList=NULL; |
|
996 |
} |
|
997 |
} |
|
998 |
if (r==KErrNone) |
|
999 |
r=DCodeSeg::Loaded(aInfo); |
|
1000 |
__KTRACE_OPT(KDLL, Kern::Printf("DWin32CodeSeg::Loaded() - %d", r)); |
|
1001 |
return r; |
|
1002 |
} |
|
1003 |
||
1004 |
void DWin32CodeSeg::ReadExportDir(TUint32*) |
|
1005 |
{ |
|
1006 |
// not needed |
|
1007 |
} |
|
1008 |
||
1009 |
TBool DWin32CodeSeg::FindCheck(DProcess* /*aProcess*/) |
|
1010 |
{ |
|
1011 |
// We never create multiple copies of the same code segment, |
|
1012 |
// so if code segment exists, allow it to be found. |
|
1013 |
// CodeSegOpen will fail if it is incompatible. |
|
1014 |
return ETrue; |
|
1015 |
} |
|
1016 |
||
1017 |
TBool DWin32CodeSeg::OpenCheck(DProcess* aProcess) |
|
1018 |
{ |
|
1019 |
__KTRACE_OPT(KDLL,Kern::Printf("CSEG:%08x Compat? proc=%O",this,aProcess)); |
|
1020 |
if (!aProcess) |
|
1021 |
return EFalse; // never reuse EXE code segments |
|
1022 |
return ETrue; |
|
1023 |
} |
|
1024 |
||
1025 |
TLibraryFunction DWin32CodeSeg::Lookup(TInt aOrdinal) |
|
1026 |
// |
|
1027 |
// Find an exported function by ordinal |
|
1028 |
// |
|
1029 |
{ |
|
1030 |
TLibraryFunction f = NULL; |
|
1031 |
if (aOrdinal != 0) |
|
1032 |
{ |
|
1033 |
||
1034 |
f = (TLibraryFunction)Emulator::GetProcAddress(iWinInstance, (const char *)aOrdinal); |
|
1035 |
if ((TLinAddr)f == iFileEntryPoint) |
|
1036 |
f = NULL; |
|
1037 |
} |
|
1038 |
else |
|
1039 |
{ |
|
1040 |
// Find 0th Ordinal, which should be named symbol export data, from named data segment |
|
1041 |
Emulator::TModule etm(iModuleHandle); |
|
1042 |
f = (TLibraryFunction)etm.Section(KWin32SectionName_NmdExpData); |
|
1043 |
} |
|
1044 |
__KTRACE_OPT(KDLL,Kern::Printf("DWin32CodeSeg::Lookup(%d)->%08x",aOrdinal,f)); |
|
1045 |
return f; |
|
1046 |
} |
|
1047 |
||
1048 |
DCodeSeg* DCodeSeg::FindRomCode(const TAny*) |
|
1049 |
{ |
|
1050 |
// never used |
|
1051 |
return NULL; |
|
1052 |
} |
|
1053 |
||
1054 |
void DWin32CodeSeg::InitData() |
|
1055 |
{ |
|
1056 |
} |
|
1057 |
||
1058 |
TInt DWin32CodeSeg::GetMemoryInfo(TModuleMemoryInfo&, DProcess*) |
|
1059 |
{ |
|
1060 |
return KErrNotSupported; |
|
1061 |
} |
|
1062 |
||
1063 |
void DWin32CodeSeg::Info(TCodeSegCreateInfo& aInfo) |
|
1064 |
{ |
|
1065 |
Emulator::TModule etm(iModuleHandle); |
|
1066 |
const IMAGE_NT_HEADERS32* nth=etm.NtHeader(); |
|
1067 |
const IMAGE_EXPORT_DIRECTORY* exd= |
|
1068 |
(const IMAGE_EXPORT_DIRECTORY*)etm.Translate(nth->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress); |
|
1069 |
const TEmulatorImageHeader* hdr = (const TEmulatorImageHeader*)etm.Section(KWin32SectionName_Symbian); |
|
1070 |
TBool isExe = hdr && hdr->iUids[0].iUid==KExecutableImageUidValue; |
|
1071 |
const IMAGE_SECTION_HEADER* text=etm.SectionHeader(KWin32SectionName_Text); |
|
1072 |
const IMAGE_SECTION_HEADER* rdata=etm.SectionHeader(KWin32SectionName_RData); |
|
1073 |
const IMAGE_SECTION_HEADER* data=etm.SectionHeader(KWin32SectionName_EpocData); |
|
1074 |
if (!isExe && !(hdr->iFlags & KEmulatorImageFlagAllowDllData)) |
|
1075 |
data = NULL; |
|
1076 |
aInfo.iTextSize=text->Misc.VirtualSize; |
|
1077 |
aInfo.iCodeSize=text->Misc.VirtualSize; |
|
1078 |
if (rdata) |
|
1079 |
aInfo.iCodeSize+=rdata->Misc.VirtualSize; |
|
1080 |
aInfo.iDataSize=data ? (data->SizeOfRawData) : 0; |
|
1081 |
aInfo.iBssSize=data ? (data->Misc.VirtualSize-data->SizeOfRawData) : 0; |
|
1082 |
aInfo.iTotalDataSize=aInfo.iDataSize+aInfo.iBssSize; |
|
1083 |
aInfo.iExportDir=(TLinAddr)exd; |
|
1084 |
aInfo.iExportDirCount=exd ? exd->NumberOfFunctions : 0; |
|
1085 |
aInfo.iCodeLoadAddress=(TLinAddr)etm.Translate(text->VirtualAddress); |
|
1086 |
aInfo.iCodeRunAddress=aInfo.iCodeLoadAddress; |
|
1087 |
aInfo.iDataLoadAddress=data ? (TLinAddr)etm.Translate(data->VirtualAddress) : 0; |
|
1088 |
aInfo.iDataRunAddress=aInfo.iDataLoadAddress; |
|
1089 |
DCodeSeg::Info(aInfo); |
|
1090 |
} |
|
1091 |
||
1092 |
TLinAddr DCodeSeg::ExceptionDescriptor() |
|
1093 |
{ |
|
1094 |
return 0; // not used on emulator |
|
1095 |
} |
|
1096 |
||
1097 |
TInt MM::RegisterModule(HMODULE aModule) |
|
1098 |
{ |
|
1099 |
__KTRACE_OPT(KBOOT, Kern::Printf("MM::RegisterModule %08x",aModule)); |
|
1100 |
SWin32Module w32m; |
|
1101 |
w32m.iWin32ModuleHandle=(TLinAddr)aModule; |
|
1102 |
w32m.iCodeSeg=NULL; |
|
1103 |
TInt r=MM::Win32Modules.InsertInUnsignedKeyOrder(w32m); |
|
1104 |
__KTRACE_OPT(KBOOT, Kern::Printf("MM::RegisterModule ret %d",r)); |
|
1105 |
return r; |
|
1106 |
} |
|
1107 |
||
1108 |
_LIT(KRomSysBin, "Z:\\sys\\bin"); |
|
1109 |
||
1110 |
// Massage file names returned for stuff in EPOCROOT\epoc32\release\wins\xxxx\ |
|
1111 |
// in order to make them appear to be in z:\system\libs |
|
1112 |
void P::NormalizeExecutableFileName(TDes& a) |
|
1113 |
{ |
|
1114 |
__KTRACE_OPT(KDLL, Kern::Printf("NormalizeExecutableFileName %lS", &a)); |
|
1115 |
if (a.Length()<3 || a[1]!=':' || a[2]!='\\') |
|
1116 |
{ |
|
1117 |
// don't have a drive so assume in 'ROM' |
|
1118 |
TFileName initial(a); |
|
1119 |
a=KRomSysBin(); |
|
1120 |
if (initial.Length()==0 || initial[0]!='\\') |
|
1121 |
a.Append('\\'); |
|
1122 |
a+=initial; |
|
1123 |
__KTRACE_OPT(KDLL, Kern::Printf("NormalizeExecutableFileName -> %lS", &a)); |
|
1124 |
} |
|
1125 |
} |
|
1126 |
||
1127 |
TInt LookupDllUid(TInt aModule) |
|
1128 |
{ |
|
1129 |
TInt r = KDllUid_Default; |
|
1130 |
Kern::AccessCode(); |
|
1131 |
SWin32Module w32m; |
|
1132 |
w32m.iWin32ModuleHandle=(TLinAddr)aModule; |
|
1133 |
TInt ix; |
|
1134 |
MM::Win32Modules.SpecificFindInUnsignedKeyOrder(w32m, ix, EArrayFindMode_Last); |
|
1135 |
if (ix>0) |
|
1136 |
{ |
|
1137 |
DWin32CodeSeg* pS = MM::Win32Modules[ix-1].iCodeSeg; |
|
1138 |
if (pS && pS->iFileEntryPoint==(TLinAddr)aModule) |
|
1139 |
r = pS->iCodeSegId; |
|
1140 |
} |
|
1141 |
Kern::EndAccessCode(); |
|
1142 |
return r; |
|
1143 |
} |
|
1144 |
||
1145 |