public DbgGeneratedTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
DbgTarget target)
: this(debugger, moduleBase, typeId, SymTag.Null, target)
{
}
} // end GetImplicitThreadLocalStorageForThread()
internal DbgModuleInfo(DbgEngDebugger debugger,
DEBUG_MODULE_PARAMETERS nativeParams,
DbgTarget target)
: base(debugger)
{
if (null == target)
{
throw new ArgumentNullException("target");
}
Target = target;
m_params = nativeParams;
if (0 == nativeParams.Base)
{
throw new ArgumentException("Invalid DEBUG_MODULE_PARAMETERS: no base address.", "nativeParams");
}
if (UInt64.MaxValue == nativeParams.Base) // (DEBUG_INVALID_OFFSET)
{
throw new ArgumentException("Invalid DEBUG_MODULE_PARAMETERS: base address indicates the structure is empty. Guess: Don't pass a base address buffer to GetModuleParameters.", "nativeParams");
}
// TODO: more validation?
} // end constructor
} // end GetNullTypeInfo()
protected DbgNullTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.Null, "void", 0, target)
{
} // end constructor
} // end AggregateMembers()
public DbgVirtualBaseClassTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
UdtKind kind,
string name,
ulong size,
uint numChildren,
uint classParentId, // could be 0?
uint vtableShapeId, // could be 0?
bool isVirtBaseClass,
bool isIndirectVirtBaseClass,
uint baseClassTypeId,
uint virtualBaseDispIndex,
uint virtualBasePointerOffset,
DbgTarget target)
: base(debugger,
moduleBase,
typeId,
kind,
name,
size,
numChildren,
classParentId,
vtableShapeId,
isVirtBaseClass,
isIndirectVirtBaseClass,
baseClassTypeId,
target)
{
VirtualBaseDispIndex = virtualBaseDispIndex;
VirtualBasePointerOffset = virtualBasePointerOffset;
} // end constructor
protected DbgBaseClassTypeInfoBase(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
UdtKind kind,
string name,
ulong size,
uint numChildren,
uint classParentId, // could be 0?
uint vtableShapeId, // could be 0?
bool isVirtBaseClass,
bool isIndirectVirtBaseClass,
uint baseClassTypeId,
DbgTarget target)
: base(debugger,
moduleBase,
typeId,
kind,
name,
size,
numChildren,
classParentId,
vtableShapeId,
target)
{
IsVirtualBaseClass = isVirtBaseClass;
IsIndirectVirtualBaseClass = isIndirectVirtBaseClass;
BaseClassTypeId = baseClassTypeId;
} // end constructor
/// <summary>
/// This constructor is used by the modload event.
/// </summary>
internal DbgModuleInfo(DbgEngDebugger debugger,
WDebugSymbols ds,
//ulong imageFileHandle, <-- is there any [straightforward] way to get this besides the modload event? Is it useful?
ulong baseOffset,
uint moduleSize,
string moduleName,
string imageName,
uint checkSum,
uint timeDateStamp,
DbgTarget target)
: base(debugger)
{
Util.Assert(0 != baseOffset);
m_ds = ds;
m_baseAddr = baseOffset;
m_size = moduleSize;
m_name = moduleName;
m_imgName = imageName;
m_checkSum = checkSum;
m_timeDateStamp = timeDateStamp;
// We can't always get the current target context--like when we are trying to raise
// a "module loaded" event, which happens from a dbgeng callback, where we don't know
// the current context.
// if( null == target )
// throw new ArgumentNullException( "target" );
Target = target;
} // end constructor
} // end GetArrayTypeInfo()
public DbgArrayTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
uint arrayTypeId,
uint count,
ulong size,
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.ArrayType, null, size, target)
{
m_arrayElemTypeId = arrayTypeId;
Count = count;
Util.Assert(Size >= (ulong)(ArrayElementType.Size * Count));
if (Size != (ulong)(ArrayElementType.Size * Count))
{
// This seems rare, but I've seen it happen. For instance, the
// shell32!ObjectMap symbol on 32-bit win7 had a Size of 0x24 and an
// element count of 1, but the element size was 0x1c. I thought it might
// be some sort of padding (perhaps for alignment), but it seemed like a
// strange amount of padding (why pad to 0x24 instead of 0x20??).
LogManager.Trace("Warning: strange array type size. The size of the type is 0x{0:x}, but the (ArrayElementType.Size * Count) is (0x{1:x} * {2}) = 0x{3:x}.",
Size,
ArrayElementType.Size,
Count,
(ulong)(ArrayElementType.Size * Count));
}
} // end constructor
} // end _EnsureIsNamed()
public static DbgNamedTypeInfo GetNamedTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
DbgTarget target)
{
return(_EnsureIsNamed(GetTypeInfo(debugger, moduleBase, typeId, target)));
}
} // end _GetModParamsByAddress()
internal DbgModuleInfo(DbgEngDebugger debugger,
ulong addressInModule,
DbgTarget target)
: this(debugger,
_GetModParamsByAddress(debugger, target.Context, null, addressInModule),
target)
{
}
} // end constructor
protected DbgNamedTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
SymTag symTag,
DbgTarget target)
: this(debugger, moduleBase, typeId, symTag, null, null, target)
{
} // end constructor
} // end GetVTableTypeInfo()
public DbgVTableShapeTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
uint numSlots,
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.VTableShape, target)
{
NumSlots = numSlots;
} // end constructor
// TODO: There is no static factory method. Should I provide one? We'd only need
// it if we want to provide a way to get one of these by itself; not via a
// FunctionType thing (which already gets the necessary information).
public DbgFunctionArgTypeTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
uint argTypeId,
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.FunctionArgType, target)
{
m_argTypeId = argTypeId;
} // end constructor
protected DbgDataMemberTypeInfoBase(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
RawDataInfo rdi,
DbgTarget target)
: base(debugger, moduleBase, typeId, rdi, target)
{
m_owningTypeId = rdi.ClassParentId;
} // end constructor
} // end WireUpChildren()
/// <summary>
/// Creates a new DbgLocalSymbol object.
/// </summary>
internal DbgLocalSymbol(DbgSymbolGroup symGroup,
uint idx,
string name,
DEBUG_SYMBOL_PARAMETERS symParams,
DEBUG_SYMBOL_ENTRY?dse,
DbgTarget target)
: base(_GetDebugger(symGroup), name, target)
{
if (null == symGroup)
{
throw new ArgumentNullException("symGroup");
}
m_symGroup = symGroup;
m_idx = idx;
m_nativeParams = symParams;
m_dse = dse;
m_metaDataUnavailable = (null == dse);
if (!m_metaDataUnavailable && DbgTypeInfo.IsDbgGeneratedType(m_dse.Value.TypeId))
{
// HACK HACKALERT WORKAROUND
//
// This is a workaround for the fact that we can't get at the type
// information that the debugger generates. It tends to do this to create
// pointer types, pointing to UDTs (not sure why the pointer types don't
// exist in the PDB).
//
// It of course knows what the pointee type is, but it isn't exposed in
// any way. I'd like to add a new IDebugAdvancedN::Request request to grab
// it out, but until I get to that, I'll cheat and parse it out of some
// string output.
//
// I don't know how robust this is, because I've rarely seen it (only once
// with this code).
//
_GenerateSyntheticTypeToMatchDbgEngGeneratedType(name, Debugger, m_dse.Value);
} // end if( it's a debugger-generated type )
m_pointerAdjustment = 0;
if (0 == Util.Strcmp_OI(name, "this"))
{
try
{
ulong displacementDontCare;
var sym = Debugger.GetSymbolByAddress(symGroup.Frame.InstructionPointer, out displacementDontCare);
var ftti = sym.Type as DbgFunctionTypeTypeInfo;
Util.Assert(null != ftti); // if we made it this far, we should have the right type
m_pointerAdjustment = ftti.ThisAdjust;
}
catch (DbgEngException dee)
{
LogManager.Trace("Could not get thisadjust: {0}", Util.GetExceptionMessages(dee));
}
}
} // end constructor
} // end GetDataTypeInfo()
protected DbgDataTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
RawDataInfo rdi,
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.Data, rdi.SymName, target)
{
DataKind = rdi.DataKind;
m_memberTypeId = rdi.TypeId;
} // end constructor
public DbgDataStaticMemberTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
RawDataInfo rdi,
DbgTarget target)
: base(debugger, moduleBase, typeId, rdi, target)
{
Address = rdi.Address;
AddressOffset = rdi.AddressOffset;
} // end constructor
} // end GetTypedefTypeInfo()
public DbgTypedefTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
uint representedTypeId,
string typedefName,
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.Typedef, typedefName, target)
{
m_representedTypeId = representedTypeId;
} // end constructor
public DbgDataMemberTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
RawDataInfo rdi,
DbgTarget target)
: base(debugger, moduleBase, typeId, rdi, target)
{
Offset = rdi.Offset;
BitfieldLength = rdi.BitfieldLength;
BitfieldPosition = rdi.BitPosition;
} // end constructor
private DbgNamedTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
SymTag symTag,
string name,
ulong?pSize,
DbgTarget target)
: base(debugger, moduleBase, typeId, symTag, target)
{
m_name = name;
m_pSize = pSize;
} // end constructor
} // end GetPointerTypeInfo()
public DbgPointerTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
uint pointeeTypeId,
ulong size,
bool isReference,
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.PointerType, size, target)
{
m_pointeeTypeId = pointeeTypeId;
IsReference = isReference;
} // end constructor
} // end _LoadTypeInfo()
public static DbgTypeInfo GetTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
SymTag symTag,
DbgTarget target)
{
moduleBase = _AdjustModBase(moduleBase, typeId, target);
return(GetTypeInfo(debugger,
new DbgModuleInfo(debugger, moduleBase, target),
typeId,
symTag));
}
} // end _AdjustModBase(
private static bool _TryGetFromCache(ulong moduleBase,
uint typeId,
DbgTarget target,
out DbgTypeInfo typeInfo)
{
if (!String.IsNullOrEmpty(Environment.GetEnvironmentVariable("__DisableTypeCache")))
{
typeInfo = null;
return(false);
}
lock ( sm_syncRoot )
{
_InitCache();
moduleBase = _AdjustModBase(moduleBase, typeId, target);
var perProcModCache = _GetCacheEntryOrCreate(target, sm_typeCache);
var perModTypeCache = _GetCacheEntryOrCreate(moduleBase, perProcModCache);
bool retVal = perModTypeCache.TryGetValue(typeId, out typeInfo);
if (retVal)
{
// Before deciding if this is actually a hit, check that the type is
// still valid (maybe its symbols got reloaded since we cached it).
if (!typeInfo._CheckValid())
{
retVal = false;
typeInfo = null;
// If it's not valid for this type, it's not valid for any other
// types in the module.
perProcModCache.Remove(moduleBase);
}
}
if (retVal)
{
sm_cacheHits++;
}
else
{
sm_cacheMisses++;
}
// LogManager.Trace( "DbgTypeInfo._TryGetFromCache: modbase {0}, typeId {1}: found? {2}",
// Util.FormatQWord( moduleBase ),
// typeId,
// retVal );
return(retVal);
}
} // end _TryGetFromCache()
} // end GetVTableTypeInfo()
public DbgVTableTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
uint owningTypeId,
uint pointerTypeId,
uint numChildren,
uint offset,
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.VTable, target)
{
m_owningTypeId = owningTypeId;
m_pointerTypeId = pointerTypeId;
m_numChildren = numChildren;
Offset = offset;
} // end constructor
} // end _AddToCache()
public static DbgTypeInfo GetTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
DbgTarget target)
{
DbgTypeInfo typeInfo;
moduleBase = _AdjustModBase(moduleBase, typeId, target);
if (!_TryGetFromCache(moduleBase, typeId, target, out typeInfo))
{
typeInfo = _LoadTypeInfo(debugger, moduleBase, typeId, target);
_AddToCache(typeInfo);
}
return(typeInfo);
}
} // end _GetTypeNameForBaseType()
public DbgBaseTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
BasicType baseType,
ulong size,
DbgTarget target)
: base(debugger,
moduleBase,
typeId,
SymTag.BaseType,
_GetTypeNameForBaseType(debugger, baseType, size),
size,
target)
{
BaseType = baseType;
} // end constructor
public DbgDataMemberTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
RawDataInfo rdi,
DbgTarget target)
: base(debugger, moduleBase, typeId, rdi, target)
{
Offset = rdi.Offset;
BitfieldLength = rdi.BitfieldLength;
BitfieldPosition = rdi.BitPosition;
// Don't know if this is possible, so I'll throw in an assert to help me find
// out:
Util.Assert(null == rdi.Value,
"Oh hey, a non-static data member with a constant value!");
} // end constructor
} // end GetUdtTypeInfo()
public DbgFunctionTypeTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
uint returnTypeId,
uint classParentId,
uint thisAdjust,
CallingConvention callingConvention,
IReadOnlyList <RawFuncArgTypeInfo> rawArguments,
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.FunctionType, 0, target)
{
m_returnTypeId = returnTypeId;
m_classParentId = classParentId;
ThisAdjust = thisAdjust;
CallingConvention = callingConvention;
m_rawArguments = rawArguments;
} // end constructor
} // end GetUdtTypeInfo()
public DbgUdtTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
UdtKind kind,
string name,
ulong size,
uint numChildren,
uint classParentId, // could be 0
uint vtableShapeId, // could be 0
DbgTarget target)
: base(debugger, moduleBase, typeId, SymTag.UDT, name, size, target)
{
UdtKind = kind;
m_classParentId = classParentId;
m_vtableShapeId = vtableShapeId;
m_numChildren = numChildren;
} // end constructor
private DbgEnumTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
string name,
DbgBaseTypeInfo baseType,
uint numEnumerands,
DbgTarget target)
: base(debugger,
moduleBase,
typeId,
SymTag.Enum,
name,
baseType.Size,
target)
{
m_baseType = baseType;
m_numEnumerands = numEnumerands;
} // end constructor
private static DbgTypeInfo _LoadTypeInfo(DbgEngDebugger debugger,
ulong moduleBase,
uint typeId,
DbgTarget target)
{
moduleBase = _AdjustModBase(moduleBase, typeId, target);
if (IsDbgNativeType(typeId))
{
return(_GetTypeInfoForDbgNativeType(debugger, moduleBase, typeId, target));
}
if (0 == moduleBase)
{
throw new ArgumentException("You must supply a valid module base address.", "moduleBase");
}
return(_LoadTypeInfo(debugger,
new DbgModuleInfo(debugger, moduleBase, target),
typeId));
} // end _LoadTypeInfo()
