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regmeta.cpp
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regmeta.cpp
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
//*****************************************************************************
// RegMeta.cpp
//
//
// Implementation for meta data public interface methods.
//
//*****************************************************************************
#include "stdafx.h"
#include "regmeta.h"
#include "metadata.h"
#include "corerror.h"
#include "mdutil.h"
#include "rwutil.h"
#include "mdlog.h"
#include "importhelper.h"
#include "filtermanager.h"
#include "switches.h"
#include "posterror.h"
#include "stgio.h"
#include "sstring.h"
#include "mdinternalrw.h"
#include <metamodelrw.h>
#define DEFINE_CUSTOM_NODUPCHECK 1
#define DEFINE_CUSTOM_DUPCHECK 2
#define SET_CUSTOM 3
#if defined(_DEBUG)
#define LOGGING
#endif
#include <log.h>
#ifdef _MSC_VER
#pragma warning(disable: 4102)
#endif
RegMeta::RegMeta() :
m_pStgdb(0),
m_pStgdbFreeList(NULL),
m_pUnk(0),
m_pFilterManager(NULL),
#ifdef FEATURE_METADATA_INTERNAL_APIS
m_pInternalImport(NULL),
#endif
m_pSemReadWrite(NULL),
m_fOwnSem(false),
m_bRemap(false),
m_bSaveOptimized(false),
m_hasOptimizedRefToDef(false),
m_pHandler(0),
m_fIsTypeDefDirty(false),
m_fIsMemberDefDirty(false),
m_fStartedEE(false),
m_pAppDomain(NULL),
m_OpenFlags(0),
m_cRef(0),
m_pFreeThreadedMarshaler(NULL),
m_bCached(false),
m_trLanguageType(0),
m_SetAPICaller(EXTERNAL_CALLER),
m_ModuleType(ValidatorModuleTypeInvalid),
m_bKeepKnownCa(false),
m_ReorderingOptions(NoReordering)
#ifdef FEATURE_METADATA_RELEASE_MEMORY_ON_REOPEN
, m_safeToDeleteStgdb(true)
#endif
{
memset(&m_OptionValue, 0, sizeof(OptionValue));
#ifdef _DEBUG
if (CLRConfig::GetConfigValue(CLRConfig::INTERNAL_MD_RegMetaBreak))
{
_ASSERTE(!"RegMeta()");
}
if (CLRConfig::GetConfigValue(CLRConfig::INTERNAL_MD_KeepKnownCA))
m_bKeepKnownCa = true;
#endif // _DEBUG
} // RegMeta::RegMeta()
RegMeta::~RegMeta()
{
_ASSERTE(!m_bCached);
HRESULT hr = S_OK;
LOCKWRITENORET();
#ifdef FEATURE_METADATA_INTERNAL_APIS
// This should have worked if we've cached the public interface in the past
_ASSERTE(SUCCEEDED(hr) || (m_pInternalImport == NULL) || (m_pInternalImport->GetCachedPublicInterface(false) == NULL));
#endif //FEATURE_METADATA_INTERNAL_APIS
if (SUCCEEDED(hr))
{
#ifdef FEATURE_METADATA_INTERNAL_APIS
if (m_pInternalImport != NULL)
{
// RegMeta is going away. Make sure we clear up the pointer from MDInternalRW to this RegMeta.
if (FAILED(m_pInternalImport->SetCachedPublicInterface(NULL)))
{ // Do nothing on error
}
m_pInternalImport = NULL;
m_fOwnSem = false;
}
#endif //FEATURE_METADATA_INTERNAL_APIS
UNLOCKWRITE();
}
if (m_pFreeThreadedMarshaler)
{
m_pFreeThreadedMarshaler->Release();
m_pFreeThreadedMarshaler = NULL;
}
if (m_pSemReadWrite && m_fOwnSem)
delete m_pSemReadWrite;
// If this RegMeta is a wrapper on an external StgDB, release it.
if (IsOfExternalStgDB(m_OpenFlags))
{
_ASSERTE(m_pUnk != NULL); // Owning IUnknown for external StgDB.
if (m_pUnk)
m_pUnk->Release();
m_pUnk = 0;
}
else
{ // Not a wrapper, so free our StgDB.
_ASSERTE(m_pUnk == NULL);
// It's possible m_pStdbg is NULL in OOM scenarios
if (m_pStgdb != NULL)
delete m_pStgdb;
m_pStgdb = 0;
}
// Delete the old copies of Stgdb list. This is the list track all of the
// old snapshuts with ReOpenWithMemory call.
CLiteWeightStgdbRW *pCur;
while (m_pStgdbFreeList)
{
pCur = m_pStgdbFreeList;
m_pStgdbFreeList = m_pStgdbFreeList->m_pNextStgdb;
delete pCur;
}
// If This RegMeta spun up the runtime (probably to process security
// attributes), shut it down now.
if (m_fStartedEE)
{
m_pAppDomain->Release();
}
if (m_pFilterManager != NULL)
delete m_pFilterManager;
if (m_OptionValue.m_RuntimeVersion != NULL)
delete[] m_OptionValue.m_RuntimeVersion;
} // RegMeta::~RegMeta()
HRESULT RegMeta::SetOption(OptionValue *pOptionValue)
{
_ASSERTE(pOptionValue);
char* pszRuntimeVersion = NULL;
if (pOptionValue->m_RuntimeVersion != NULL)
{
SIZE_T dwBufferSize = strlen(pOptionValue->m_RuntimeVersion) + 1; // +1 for null
pszRuntimeVersion = new (nothrow) char[dwBufferSize];
if (pszRuntimeVersion == NULL)
{
return E_OUTOFMEMORY;
}
strcpy_s(pszRuntimeVersion, dwBufferSize, pOptionValue->m_RuntimeVersion);
}
memcpy(&m_OptionValue, pOptionValue, sizeof(OptionValue));
m_OptionValue.m_RuntimeVersion = pszRuntimeVersion;
return S_OK;
}// SetOption
//*****************************************************************************
// Initialize with an existing stgdb.
//*****************************************************************************
__checkReturn
HRESULT
RegMeta::InitWithStgdb(
IUnknown *pUnk, // The IUnknown that owns the life time for the existing stgdb
CLiteWeightStgdbRW *pStgdb) // existing light weight stgdb
{
// RegMeta created this way will not create a read/write lock semaphore.
HRESULT hr = S_OK;
_ASSERTE(m_pStgdb == NULL);
m_tdModule = COR_GLOBAL_PARENT_TOKEN;
m_pStgdb = pStgdb;
m_OpenFlags = ofExternalStgDB;
// remember the owner of the light weight stgdb
// AddRef it to ensure the lifetime
//
m_pUnk = pUnk;
m_pUnk->AddRef();
IfFailGo(m_pStgdb->m_MiniMd.GetOption(&m_OptionValue));
ErrExit:
return hr;
} // RegMeta::InitWithStgdb
#ifdef FEATURE_METADATA_EMIT
//*****************************************************************************
// call stgdb InitNew
//*****************************************************************************
__checkReturn
HRESULT
RegMeta::CreateNewMD()
{
HRESULT hr = NOERROR;
m_OpenFlags = ofWrite;
// Allocate our m_pStgdb.
_ASSERTE(m_pStgdb == NULL);
IfNullGo(m_pStgdb = new (nothrow) CLiteWeightStgdbRW);
// Initialize the new, empty database.
// First tell the new database what sort of metadata to create
m_pStgdb->m_MiniMd.m_OptionValue.m_MetadataVersion = m_OptionValue.m_MetadataVersion;
m_pStgdb->m_MiniMd.m_OptionValue.m_InitialSize = m_OptionValue.m_InitialSize;
IfFailGo(m_pStgdb->InitNew());
// Set up the Module record.
uint32_t iRecord;
ModuleRec *pModule;
GUID mvid;
IfFailGo(m_pStgdb->m_MiniMd.AddModuleRecord(&pModule, &iRecord));
IfFailGo(CoCreateGuid(&mvid));
IfFailGo(m_pStgdb->m_MiniMd.PutGuid(TBL_Module, ModuleRec::COL_Mvid, pModule, mvid));
// Add the dummy module typedef which we are using to parent global items.
TypeDefRec *pRecord;
IfFailGo(m_pStgdb->m_MiniMd.AddTypeDefRecord(&pRecord, &iRecord));
m_tdModule = TokenFromRid(iRecord, mdtTypeDef);
IfFailGo(m_pStgdb->m_MiniMd.PutStringW(TBL_TypeDef, TypeDefRec::COL_Name, pRecord, COR_WMODULE_CLASS));
IfFailGo(m_pStgdb->m_MiniMd.SetOption(&m_OptionValue));
if (IsThreadSafetyOn())
{
m_pSemReadWrite = new (nothrow) UTSemReadWrite();
IfNullGo(m_pSemReadWrite);
IfFailGo(m_pSemReadWrite->Init());
m_fOwnSem = true;
INDEBUG(m_pStgdb->m_MiniMd.Debug_SetLock(m_pSemReadWrite);)
}
ErrExit:
return hr;
} // RegMeta::CreateNewMD
#ifdef FEATURE_METADATA_EMIT_PORTABLE_PDB
//*****************************************************************************
// Create new stgdb for portable pdb
//*****************************************************************************
__checkReturn
HRESULT
RegMeta::CreateNewPortablePdbMD()
{
HRESULT hr = NOERROR;
// TODO: move the constant to a better location
static const char* PDB_VERSION = "PDB v1.0";
size_t len = strlen(PDB_VERSION) + 1;
m_OpenFlags = ofWrite;
// Allocate our m_pStgdb.
_ASSERTE(m_pStgdb == NULL);
IfNullGo(m_pStgdb = new (nothrow) CLiteWeightStgdbRW);
// Initialize the new, empty database.
// First tell the new database what sort of metadata to create
m_pStgdb->m_MiniMd.m_OptionValue.m_MetadataVersion = m_OptionValue.m_MetadataVersion;
m_pStgdb->m_MiniMd.m_OptionValue.m_InitialSize = m_OptionValue.m_InitialSize;
IfFailGo(m_pStgdb->InitNew());
// Set up the pdb version
m_OptionValue.m_RuntimeVersion = new char[len];
strcpy_s(m_OptionValue.m_RuntimeVersion, len, PDB_VERSION);
IfFailGo(m_pStgdb->m_MiniMd.SetOption(&m_OptionValue));
if (IsThreadSafetyOn())
{
m_pSemReadWrite = new (nothrow) UTSemReadWrite();
IfNullGo(m_pSemReadWrite);
IfFailGo(m_pSemReadWrite->Init());
m_fOwnSem = true;
INDEBUG(m_pStgdb->m_MiniMd.Debug_SetLock(m_pSemReadWrite);)
}
ErrExit:
return hr;
} // RegMeta::CreateNewPortablePdbMD
#endif // FEATURE_METADATA_EMIT_PORTABLE_PDB
#endif //FEATURE_METADATA_EMIT
//*****************************************************************************
// call stgdb OpenForRead
//*****************************************************************************
HRESULT RegMeta::OpenExistingMD(
LPCWSTR szDatabase, // Name of database.
void *pData, // Data to open on top of, 0 default.
ULONG cbData, // How big is the data.
ULONG dwOpenFlags) // Flags for the open.
{
HRESULT hr = NOERROR;
void *pbData = pData; // Pointer to original or copied data.
m_OpenFlags = dwOpenFlags;
if (!IsOfReOpen(dwOpenFlags))
{
// Allocate our m_pStgdb, if we should.
_ASSERTE(m_pStgdb == NULL);
IfNullGo( m_pStgdb = new (nothrow) CLiteWeightStgdbRW );
}
IfFailGo( m_pStgdb->OpenForRead(
szDatabase,
pbData,
cbData,
m_OpenFlags) );
if (m_pStgdb->m_MiniMd.m_Schema.m_major == METAMODEL_MAJOR_VER_V1_0 &&
m_pStgdb->m_MiniMd.m_Schema.m_minor == METAMODEL_MINOR_VER_V1_0)
m_OptionValue.m_MetadataVersion = MDVersion1;
else
m_OptionValue.m_MetadataVersion = MDVersion2;
IfFailGo( m_pStgdb->m_MiniMd.SetOption(&m_OptionValue) );
if (IsThreadSafetyOn())
{
m_pSemReadWrite = new (nothrow) UTSemReadWrite();
IfNullGo(m_pSemReadWrite);
IfFailGo(m_pSemReadWrite->Init());
m_fOwnSem = true;
INDEBUG(m_pStgdb->m_MiniMd.Debug_SetLock(m_pSemReadWrite);)
}
if (!IsOfReOpen(dwOpenFlags))
{
// There must always be a Global Module class and its the first entry in
// the TypeDef table.
m_tdModule = TokenFromRid(1, mdtTypeDef);
}
ErrExit:
return hr;
} //RegMeta::OpenExistingMD
#ifdef FEATURE_METADATA_CUSTOM_DATA_SOURCE
HRESULT RegMeta::OpenExistingMD(
IMDCustomDataSource* pDataSource, // Name of database.
ULONG dwOpenFlags) // Flags to control open.
{
HRESULT hr = NOERROR;
m_OpenFlags = dwOpenFlags;
if (!IsOfReOpen(dwOpenFlags))
{
// Allocate our m_pStgdb, if we should.
_ASSERTE(m_pStgdb == NULL);
IfNullGo(m_pStgdb = new (nothrow)CLiteWeightStgdbRW);
}
IfFailGo(m_pStgdb->OpenForRead(
pDataSource,
m_OpenFlags));
if (m_pStgdb->m_MiniMd.m_Schema.m_major == METAMODEL_MAJOR_VER_V1_0 &&
m_pStgdb->m_MiniMd.m_Schema.m_minor == METAMODEL_MINOR_VER_V1_0)
m_OptionValue.m_MetadataVersion = MDVersion1;
else
m_OptionValue.m_MetadataVersion = MDVersion2;
IfFailGo(m_pStgdb->m_MiniMd.SetOption(&m_OptionValue));
if (IsThreadSafetyOn())
{
m_pSemReadWrite = new (nothrow)UTSemReadWrite();
IfNullGo(m_pSemReadWrite);
IfFailGo(m_pSemReadWrite->Init());
m_fOwnSem = true;
INDEBUG(m_pStgdb->m_MiniMd.Debug_SetLock(m_pSemReadWrite);)
}
if (!IsOfReOpen(dwOpenFlags))
{
// There must always be a Global Module class and its the first entry in
// the TypeDef table.
m_tdModule = TokenFromRid(1, mdtTypeDef);
}
ErrExit:
return hr;
} //RegMeta::OpenExistingMD
#endif // FEATURE_METADATA_CUSTOM_DATA_SOURCE
#ifdef FEATURE_METADATA_INTERNAL_APIS
//*****************************************************************************
// Gets a cached Internal importer, if available.
//
// Arguments:
// fWithLock - if true, takes a reader lock.
// If false, assumes caller is handling the synchronization.
//
// Returns:
// A cached Internal importer, which gets addreffed. Caller must release!
// If no importer is set, returns NULL
//
// Notes:
// This function also does not trigger the creation of Internal interface.
// Set the cached importer via code:RegMeta.SetCachedInternalInterface
//
// Implements internal API code:IMetaDataHelper::GetCachedInternalInterface.
//*****************************************************************************
IUnknown* RegMeta::GetCachedInternalInterface(BOOL fWithLock)
{
IUnknown *pRet = NULL;
HRESULT hr = S_OK;
if (fWithLock)
{
LOCKREAD();
pRet = m_pInternalImport;
}
else
{
pRet = m_pInternalImport;
}
if (pRet) pRet->AddRef();
ErrExit:
return pRet;
} //RegMeta::GetCachedInternalInterface
//*****************************************************************************
// Set the cached Internal interface. This function will return an Error is the
// current cached internal interface is not empty and trying set a non-empty internal
// interface. One RegMeta will only associated
// with one Internal Object. Unless we have bugs somewhere else. It will QI on the
// IUnknown for the IMDInternalImport. If this failed, error will be returned.
// Note: Caller should take a write lock
//
// This does addref the importer (the public and private importers maintain
// weak references to each other).
//
// Implements internal API code:IMetaDataHelper::SetCachedInternalInterface.
//*****************************************************************************
HRESULT RegMeta::SetCachedInternalInterface(IUnknown *pUnk)
{
HRESULT hr = NOERROR;
IMDInternalImport *pInternal = NULL;
if (pUnk)
{
if (m_pInternalImport)
{
_ASSERTE(!"Bad state!");
}
IfFailRet( pUnk->QueryInterface(IID_IMDInternalImport, (void **) &pInternal) );
// Should be non-null
_ASSERTE(pInternal);
m_pInternalImport = pInternal;
// We don't want to add ref the internal interface, so undo the AddRef() from the QI.
pInternal->Release();
}
else
{
// Internal interface is going away before the public interface. Take ownership on the
// reader writer lock.
m_fOwnSem = true;
m_pInternalImport = NULL;
}
return hr;
} // RegMeta::SetCachedInternalInterface
#endif //FEATURE_METADATA_INTERNAL_APIS
//*****************************************************************************
// IUnknown
//*****************************************************************************
ULONG RegMeta::AddRef()
{
return InterlockedIncrement(&m_cRef);
} // ULONG RegMeta::AddRef()
HRESULT
RegMeta::QueryInterface(
REFIID riid,
void ** ppUnk)
{
HRESULT hr = S_OK;
int fIsInterfaceRW = false;
*ppUnk = 0;
if (riid == IID_IUnknown)
{
*ppUnk = (IUnknown *)(IMetaDataImport2 *)this;
}
else if (riid == IID_IMDCommon)
{
*ppUnk = (IMDCommon *)this;
}
else if (riid == IID_IMetaDataImport)
{
*ppUnk = (IMetaDataImport2 *)this;
}
else if (riid == IID_IMetaDataImport2)
{
*ppUnk = (IMetaDataImport2 *)this;
}
else if (riid == IID_IMetaDataAssemblyImport)
{
*ppUnk = (IMetaDataAssemblyImport *)this;
}
else if (riid == IID_IMetaDataTables)
{
*ppUnk = static_cast<IMetaDataTables *>(this);
}
else if (riid == IID_IMetaDataTables2)
{
*ppUnk = static_cast<IMetaDataTables2 *>(this);
}
else if (riid == IID_IMetaDataInfo)
{
*ppUnk = static_cast<IMetaDataInfo *>(this);
}
#ifdef FEATURE_METADATA_EMIT
else if (riid == IID_IMetaDataEmit)
{
*ppUnk = (IMetaDataEmit2 *)this;
fIsInterfaceRW = true;
}
else if (riid == IID_IMetaDataEmit2)
{
*ppUnk = (IMetaDataEmit2 *)this;
fIsInterfaceRW = true;
}
#ifdef FEATURE_METADATA_EMIT_PORTABLE_PDB
else if (riid == IID_IMetaDataEmit3)
{
*ppUnk = (IMetaDataEmit3 *)this;
fIsInterfaceRW = true;
}
#endif
else if (riid == IID_IMetaDataAssemblyEmit)
{
*ppUnk = (IMetaDataAssemblyEmit *)this;
fIsInterfaceRW = true;
}
#endif //FEATURE_METADATA_EMIT
#ifdef FEATURE_METADATA_EMIT_ALL
else if (riid == IID_IMetaDataFilter)
{
*ppUnk = (IMetaDataFilter *)this;
}
#endif //FEATURE_METADATA_EMIT_ALL
#ifdef FEATURE_METADATA_INTERNAL_APIS
else if (riid == IID_IMetaDataHelper)
{
*ppUnk = (IMetaDataHelper *)this;
}
else if (riid == IID_IMDInternalEmit)
{
*ppUnk = static_cast<IMDInternalEmit *>(this);
}
else if (riid == IID_IGetIMDInternalImport)
{
*ppUnk = static_cast<IGetIMDInternalImport *>(this);
}
#endif //FEATURE_METADATA_INTERNAL_APIS
#if defined(FEATURE_METADATA_EMIT) && defined(FEATURE_METADATA_INTERNAL_APIS)
else if (riid == IID_IMetaDataEmitHelper)
{
*ppUnk = (IMetaDataEmitHelper *)this;
fIsInterfaceRW = true;
}
#endif //FEATURE_METADATA_EMIT && FEATURE_METADATA_INTERNAL_APIS
#ifdef FEATURE_METADATA_IN_VM
#ifdef FEATURE_COMINTEROP
else if (riid == IID_IMarshal)
{
// We will only repond to this interface if scope is opened for ReadOnly
if (IsOfReadOnly(m_OpenFlags))
{
if (m_pFreeThreadedMarshaler == NULL)
{
// Guard ourselves against first time QI on IMarshal from two different threads..
LOCKWRITE();
if (m_pFreeThreadedMarshaler == NULL)
{
// First time! Create the FreeThreadedMarshaler
IfFailGo(CoCreateFreeThreadedMarshaler((IUnknown *)(IMetaDataEmit2 *)this, &m_pFreeThreadedMarshaler));
}
}
_ASSERTE(m_pFreeThreadedMarshaler != NULL);
IfFailGo(m_pFreeThreadedMarshaler->QueryInterface(riid, ppUnk));
// AddRef has happened in the QueryInterface and thus should just return
goto ErrExit;
}
else
{
IfFailGo(E_NOINTERFACE);
}
}
#endif // FEATURE_COMINTEROP
#endif //FEATURE_METADATA_IN_VM
else
{
IfFailGo(E_NOINTERFACE);
}
if (fIsInterfaceRW && IsOfReadOnly(m_OpenFlags))
{
// They are asking for a read/write interface and this scope was
// opened as Read-Only
*ppUnk = NULL;
IfFailGo(CLDB_E_INCOMPATIBLE);
}
if (fIsInterfaceRW)
{
LOCKWRITENORET();
if (SUCCEEDED(hr))
{
hr = m_pStgdb->m_MiniMd.ConvertToRW();
}
if (FAILED(hr))
{
*ppUnk = NULL;
goto ErrExit;
}
}
AddRef();
ErrExit:
return hr;
} // RegMeta::QueryInterface
//---------------------------------------------------------------------------------------
//
// Returns the memory region of the mapped file and type of its mapping. The choice of the file mapping type
// for each scope is CLR implementation specific and user cannot explicitly set it.
//
// The memory is valid only as long as the underlying MetaData scope is opened (there's a reference to
// a MetaData interface for this scope).
//
// Implements public API code:IMetaDataInfo::GetFileMapping.
//
// Arguments:
// ppvData - Fills with pointer to the start of the mapped file.
// pcbData - Fills with the size of the mapped memory region (for flat-mapping it is the size of the
// file).
// pdwMappingType - Fills with type of file mapping (code:CorFileMapping).
// Current CLR implementation returns always code:fmFlat. The other value(s) are reserved for future
// usage. See code:StgIO::MapFileToMem#CreateFileMapping_SEC_IMAGE for more details.
//
// Return Value:
// S_OK - All output data are filled.
// COR_E_NOTSUPPORTED - CLR cannot (or doesn't want to) provide the memory region.
// This can happen when:
// - The MetaData scope was opened with flag code:ofWrite or code:ofCopyMemory.
// Note: code:ofCopyMemory could be supported in future CLR versions. For example if we change
// code:CLiteWeightStgdbRW::OpenForRead to copy whole file (or add a new flag ofCopyWholeFile).
// - The MetaData scope was opened without flag code:ofReadOnly.
// Note: We could support this API without code:ofReadOnly flag in future CLR versions. We just
// need some test coverage and user scenario for it.
// - Only MetaData part of the file was opened using code:OpenScopeOnMemory.
// - The file is not NT PE file (e.g. it is NT OBJ = .obj file produced by managed C++).
// E_INVALIDARG - NULL was passed as an argument value.
//
HRESULT
RegMeta::GetFileMapping(
const void ** ppvData,
ULONGLONG * pcbData,
DWORD * pdwMappingType)
{
HRESULT hr = S_OK;
if ((ppvData == NULL) || (pcbData == NULL) || (pdwMappingType == NULL))
{
return E_INVALIDARG;
}
// Note: Some of the following checks are duplicit (as some combinations are invalid and ensured by CLR
// implementation), but it is easier to check them all
// OpenScope flags have to be (ofRead | ofReadOnly) and not ofCopyMemory
// (as code:CLiteWeightStgdbRW::OpenForRead will copy only the MetaData part of the file)
if (((m_OpenFlags & ofReadWriteMask) != ofRead) ||
((m_OpenFlags & ofReadOnly) == 0) ||
((m_OpenFlags & ofCopyMemory) != 0))
{
IfFailGo(COR_E_NOTSUPPORTED);
}
// The file has to be NT PE file (not CLDB = managed C++ .obj file) and we have to have its full mapping
// (see code:CLiteWeightStgdbRW::OpenForRead)
if ((m_pStgdb->m_pImage == NULL) ||
(m_pStgdb->m_dwImageSize == 0) ||
(m_pStgdb->GetFileType() != FILETYPE_NTPE))
{
IfFailGo(COR_E_NOTSUPPORTED);
}
if (m_pStgdb->m_pStgIO->GetFlags() != DBPROP_TMODEF_READ)
{
IfFailGo(COR_E_NOTSUPPORTED);
}
// The file has to be flat-mapped, or copied to memory (file mapping code:MTYPE_IMAGE is not currently
// supported - see code:StgIO::MapFileToMem#CreateFileMapping_SEC_IMAGE)
// Note: Only small files (<=64K) are copied to memory - see code:StgIO::MapFileToMem#CopySmallFiles
if ((m_pStgdb->m_pStgIO->GetMemoryMappedType() != MTYPE_FLAT) &&
(m_pStgdb->m_pStgIO->GetMemoryMappedType() != MTYPE_NOMAPPING))
{
IfFailGo(COR_E_NOTSUPPORTED);
}
// All necessary conditions are satisfied
*ppvData = m_pStgdb->m_pImage;
*pcbData = m_pStgdb->m_dwImageSize;
// We checked that the file was flat-mapped above
*pdwMappingType = fmFlat;
ErrExit:
if (FAILED(hr))
{
*ppvData = NULL;
*pcbData = 0;
*pdwMappingType = 0;
}
return hr;
} // RegMeta::GetFileMapping
//------------------------------------------------------------------------------
// Metadata dump
//
#ifdef _DEBUG
#define STRING_BUFFER_LEN 1024
#define ENUM_BUFFER_SIZE 10
int DumpMD_Write(_In_ _In_z_ const char *str)
{
OutputDebugStringA(str);
return 0; // strlen(str);
} // int DumpMD_Write()
int DumpMD_WriteLine(_In_ _In_z_ const char *str)
{
OutputDebugStringA(str);
OutputDebugStringA("\n");
return 0; // strlen(str);
} // int DumpMD_Write()
int DumpMD_VWriteMarker(_In_ _In_z_ const char *str, va_list marker)
{
CQuickBytes m_output;
int count = -1;
int i = 1;
HRESULT hr;
while (count < 0)
{
if (FAILED(hr = m_output.ReSizeNoThrow(STRING_BUFFER_LEN * i)))
return 0;
va_list markerCopy;
va_copy(markerCopy, marker);
count = _vsnprintf_s((char *)m_output.Ptr(), STRING_BUFFER_LEN * i, _TRUNCATE, str, markerCopy);
va_end(markerCopy);
i *= 2;
}
OutputDebugStringA((LPCSTR)m_output.Ptr());
return count;
} // int DumpMD_VWriteMarker()
int DumpMD_VWrite(_In_ _In_z_ const char *str, ...)
{
va_list marker;
int count;
va_start(marker, str);
count = DumpMD_VWriteMarker(str, marker);
va_end(marker);
return count;
} // int DumpMD_VWrite()
int DumpMD_VWriteLine(_In_ _In_z_ const char *str, ...)
{
va_list marker;
int count;
va_start(marker, str);
count = DumpMD_VWriteMarker(str, marker);
DumpMD_Write("\n");
va_end(marker);
return count;
} // int DumpMD_VWriteLine()
const char *DumpMD_DumpRawNameOfType(RegMeta *pMD, ULONG iType)
{
if (iType <= iRidMax)
{
const char *pNameTable;
pMD->GetTableInfo(iType, 0,0,0,0, &pNameTable);
return pNameTable;
}
else
// Is the field a coded token?
if (iType <= iCodedTokenMax)
{
int iCdTkn = iType - iCodedToken;
const char *pNameCdTkn;
pMD->GetCodedTokenInfo(iCdTkn, 0,0, &pNameCdTkn);
return pNameCdTkn;
}
// Fixed type.
switch (iType)
{
case iBYTE:
return "BYTE";
case iSHORT:
return "short";
case iUSHORT:
return "USHORT";
case iLONG:
return "long";
case iULONG:
return "ULONG";
case iSTRING:
return "string";
case iGUID:
return "GUID";
case iBLOB:
return "blob";
}
// default:
static char buf[30];
sprintf_s(buf, ARRAY_SIZE(buf), "unknown type 0x%02x", iType);
return buf;
} // const char *DumpMD_DumpRawNameOfType()
void DumpMD_DumpRawCol(RegMeta *pMD, ULONG ixTbl, ULONG ixCol, ULONG rid, bool bStats)
{
ULONG ulType; // Type of a column.
ULONG ulVal; // Value of a column.
LPCUTF8 pString; // Pointer to a string.
const void *pBlob; // Pointer to a blob.
ULONG cb; // Size of something.
pMD->GetColumn(ixTbl, ixCol, rid, &ulVal);
pMD->GetColumnInfo(ixTbl, ixCol, 0, 0, &ulType, 0);
if (ulType <= iRidMax)
{
const char *pNameTable;
pMD->GetTableInfo(ulType, 0,0,0,0, &pNameTable);
DumpMD_VWrite("%s[%x]", pNameTable, ulVal);
}
else
// Is the field a coded token?
if (ulType <= iCodedTokenMax)
{
int iCdTkn = ulType - iCodedToken;
const char *pNameCdTkn;
pMD->GetCodedTokenInfo(iCdTkn, 0,0, &pNameCdTkn);
DumpMD_VWrite("%s[%08x]", pNameCdTkn, ulVal);
}
else
{
// Fixed type.
switch (ulType)
{
case iBYTE:
DumpMD_VWrite("%02x", ulVal);
break;
case iSHORT:
case iUSHORT:
DumpMD_VWrite("%04x", ulVal);
break;
case iLONG:
case iULONG:
DumpMD_VWrite("%08x", ulVal);
break;
case iSTRING:
DumpMD_VWrite("string#%x", ulVal);
if (bStats && ulVal)
{
pMD->GetString(ulVal, &pString);
cb = (ULONG) strlen(pString) + 1;
DumpMD_VWrite("(%d)", cb);
}
break;
case iGUID:
DumpMD_VWrite("guid#%x", ulVal);
if (bStats && ulVal)
{
DumpMD_VWrite("(16)");
}
break;
case iBLOB:
DumpMD_VWrite("blob#%x", ulVal);
if (bStats && ulVal)
{
pMD->GetBlob(ulVal, &cb, &pBlob);
cb += 1;
if (cb > 128)
cb += 1;
if (cb > 16535)
cb += 1;
DumpMD_VWrite("(%d)", cb);
}
break;
default:
DumpMD_VWrite("unknown type 0x%04x", ulVal);
break;
}
}
} // void DumpMD_DumpRawCol()
ULONG DumpMD_DumpRawColStats(RegMeta *pMD, ULONG ixTbl, ULONG ixCol, ULONG cRows)
{
ULONG rslt = 0;
ULONG ulType; // Type of a column.
ULONG ulVal; // Value of a column.
LPCUTF8 pString; // Pointer to a string.
const void *pBlob; // Pointer to a blob.
ULONG cb; // Size of something.
pMD->GetColumnInfo(ixTbl, ixCol, 0, 0, &ulType, 0);
if (IsHeapType(ulType))
{
for (ULONG rid=1; rid<=cRows; ++rid)
{
pMD->GetColumn(ixTbl, ixCol, rid, &ulVal);