protected unsafe override void AddVmCalls(IDictionary<string, LinkerSymbol> virtualMachineCalls)
{
Trace.WriteLine(@"TestAssemblyLinker adding VM calls:");
IntPtr allocate = Marshal.GetFunctionPointerForDelegate(allocateArrayHandler);
const string allocateArrayMethod = @"Mosa.Internal.Runtime.AllocateArray(Ptr methodTable,U4 elementSize,U4 elements)";
long virtualAddress = allocate.ToInt64();
Trace.WriteLine(String.Format("\t{0} at 0x{1:x08}", allocateArrayMethod, virtualAddress));
LinkerSymbol symbol = new LinkerSymbol(allocateArrayMethod, SectionKind.Text, virtualAddress);
symbol.VirtualAddress = new IntPtr(symbol.SectionAddress);
virtualMachineCalls.Remove(allocateArrayMethod);
virtualMachineCalls.Add(allocateArrayMethod, symbol);
IntPtr allocateObject = Marshal.GetFunctionPointerForDelegate(allocateObjectHandler);
const string allocateObjectMethod = @"Mosa.Internal.Runtime.AllocateObject(Ptr methodTable,U4 classSize)";
virtualAddress = allocateObject.ToInt64();
Trace.WriteLine(String.Format("\t{0} at 0x{1:x08}", allocateObjectMethod, virtualAddress));
symbol = new LinkerSymbol(allocateObjectMethod, SectionKind.Text, virtualAddress);
symbol.VirtualAddress = new IntPtr(symbol.SectionAddress);
virtualMachineCalls.Remove(allocateObjectMethod);
virtualMachineCalls.Add(allocateObjectMethod, symbol);
}
/// <summary>
/// Allocates a symbol of the given name in the specified section.
/// </summary>
/// <param name="name">The name of the symbol.</param>
/// <param name="section">The executable section to allocate From.</param>
/// <param name="size">The number of bytes to allocate. If zero, indicates an unknown amount of memory is required.</param>
/// <param name="alignment">The alignment. A value of zero indicates the use of a default alignment for the section.</param>
/// <returns>
/// A stream, which can be used to populate the section.
/// </returns>
public virtual Stream Allocate(string name, SectionKind section, int size, int alignment)
{
try
{
Stream baseStream = Allocate(section, size, alignment);
// Create a linker symbol for the name
LinkerSymbol symbol = new LinkerSymbol(name, section, baseStream.Position);
// Save the symbol for later use
symbols.Add(symbol.Name, symbol);
// Wrap the stream to catch premature disposal
Stream result = new LinkerStream(symbol, baseStream, size);
return result;
}
catch (ArgumentException argx)
{
throw new LinkerException(String.Format(@"Symbol {0} defined multiple times.", name), argx);
}
}
