public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = 16;
dataBuilder.DefinedSymbols.Add(this);
bool hasPointers = NumSeries > 0;
if (hasPointers)
{
for (int i = ((_runLengths.Length / 2) * 2) - 1; i >= 0; i--)
{
if (_targetPointerSize == 4)
{
dataBuilder.EmitInt(_runLengths[i]);
}
else
{
dataBuilder.EmitLong(_runLengths[i]);
}
}
if (_targetPointerSize == 4)
{
dataBuilder.EmitInt(NumSeries);
}
else
{
dataBuilder.EmitLong(NumSeries);
}
}
int totalSize = 0;
foreach (int run in _runLengths)
{
totalSize += run * _targetPointerSize;
}
dataBuilder.EmitShort(0); // ComponentSize is always 0
if (hasPointers)
{
dataBuilder.EmitShort(0x20); // TypeFlags.HasPointers
}
else
{
dataBuilder.EmitShort(0x00);
}
totalSize = Math.Max(totalSize, _targetPointerSize * 3); // minimum GC eetype size is 3 pointers
dataBuilder.EmitInt(totalSize);
return(dataBuilder.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory);
// The interface dispatch cell has an alignment requirement of 2 * [Pointer size] as part of the
// synchronization mechanism of the two values in the runtime.
objData.Alignment = _targetMethod.Context.Target.PointerSize * 2;
objData.DefinedSymbols.Add(this);
objData.EmitPointerReloc(factory.ExternSymbol("RhpInitialDynamicInterfaceDispatch"));
// The second cell field uses the two lower-order bits to communicate the contents.
// We add 1 to signal IDC_CachePointerIsInterfacePointer. See src\Native\Runtime\inc\rhbinder.h.
objData.EmitPointerReloc(factory.NecessaryTypeSymbol(_targetMethod.OwningType), 1);
// End the run of dispatch cells
objData.EmitZeroPointer();
int interfaceMethodSlot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, _targetMethod);
if (factory.Target.PointerSize == 8)
{
objData.EmitLong(interfaceMethodSlot);
}
else
{
throw new NotImplementedException();
}
return(objData.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory);
// The interface dispatch cell has an alignment requirement of 2 * [Pointer size] as part of the
// synchronization mechanism of the two values in the runtime.
objData.Alignment = _targetMethod.Context.Target.PointerSize * 2;
objData.DefinedSymbols.Add(this);
objData.EmitPointerReloc(factory.ExternSymbol("RhpInitialDynamicInterfaceDispatch"));
// The second cell field uses the two lower-order bits to communicate the contents.
// We add 1 to signal IDC_CachePointerIsInterfacePointer. See src\Native\Runtime\inc\rhbinder.h.
objData.EmitPointerReloc(factory.NecessaryTypeSymbol(_targetMethod.OwningType), 1);
// End the run of dispatch cells
objData.EmitZeroPointer();
// Avoid consulting VTable slots until they're guaranteed complete during final data emission
if (!relocsOnly)
{
int interfaceMethodSlot = VirtualMethodSlotHelper.GetVirtualMethodSlot(factory, _targetMethod);
if (factory.Target.PointerSize == 8)
{
objData.EmitLong(interfaceMethodSlot);
}
else
{
throw new NotImplementedException();
}
}
return objData.ToObjectData();
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly = false)
{
ObjectDataBuilder objData = new ObjectDataBuilder(factory);
objData.RequireInitialPointerAlignment();
objData.AddSymbol(this);
// Emit an aliased symbol named _tls_index for native P/Invoke code that uses TLS. This is required
// because we do not link against libcmt.lib.
ObjectAndOffsetSymbolNode aliasedSymbol = new ObjectAndOffsetSymbolNode(this, objData.CountBytes, "_tls_index", false);
objData.AddSymbol(aliasedSymbol);
// This is the TLS index field which is a 4-byte integer. Emit an 8-byte interger which includes a
// 4-byte padding to make an pointer-sized alignment for the subsequent fields for all targets.
objData.EmitLong(0);
// Allocate and initialize the IMAGE_TLS_DIRECTORY PE data structure used by the OS loader to determine
// TLS allocations. The structure is defined by the OS as following:
/*
* struct _IMAGE_TLS_DIRECTORY32
* {
* DWORD StartAddressOfRawData;
* DWORD EndAddressOfRawData;
* DWORD AddressOfIndex;
* DWORD AddressOfCallBacks;
* DWORD SizeOfZeroFill;
* DWORD Characteristics;
* }
*
* struct _IMAGE_TLS_DIRECTORY64
* {
* ULONGLONG StartAddressOfRawData;
* ULONGLONG EndAddressOfRawData;
* ULONGLONG AddressOfIndex;
* ULONGLONG AddressOfCallBacks;
* DWORD SizeOfZeroFill;
* DWORD Characteristics;
* }
*/
// In order to utilize linker support, the struct variable needs to be named _tls_used
ObjectAndOffsetSymbolNode structSymbol = new ObjectAndOffsetSymbolNode(this, objData.CountBytes, "_tls_used", false);
objData.AddSymbol(structSymbol);
objData.EmitPointerReloc(factory.ThreadStaticsRegion.StartSymbol); // start of tls data
objData.EmitPointerReloc(factory.ThreadStaticsRegion.EndSymbol); // end of tls data
objData.EmitPointerReloc(this); // address of tls_index
objData.EmitZeroPointer(); // pointer to call back array
objData.EmitInt(0); // size of tls zero fill
objData.EmitInt(0); // characteristics
return(objData.ToObjectData());
}
public override ObjectData GetData(NodeFactory factory, bool relocsOnly)
{
ObjectDataBuilder dataBuilder = new ObjectDataBuilder(factory);
dataBuilder.Alignment = 16;
dataBuilder.DefinedSymbols.Add(this);
bool hasPointers = NumSeries > 0;
if (hasPointers)
{
for (int i = ((_runLengths.Length / 2) * 2) - 1; i >= 0; i--)
{
if (_targetPointerSize == 4)
{
dataBuilder.EmitInt(_runLengths[i]);
}
else
{
dataBuilder.EmitLong(_runLengths[i]);
}
}
if (_targetPointerSize == 4)
{
dataBuilder.EmitInt(NumSeries);
}
else
{
dataBuilder.EmitLong(NumSeries);
}
}
int totalSize = 0;
foreach (int run in _runLengths)
{
totalSize += run * _targetPointerSize;
}
dataBuilder.EmitShort(0); // ComponentSize is always 0
if (hasPointers)
dataBuilder.EmitShort(0x20); // TypeFlags.HasPointers
else
dataBuilder.EmitShort(0x00);
totalSize = Math.Max(totalSize, _targetPointerSize * 3); // minimum GC eetype size is 3 pointers
dataBuilder.EmitInt(totalSize);
return dataBuilder.ToObjectData();
}
