private LinkerSymbol CreateCustomAttributeArgument(string symbolName, int count, string name, MosaCustomAttribute.Argument arg, bool isField)
{
string nameForSymbol = name ?? count.ToString();
nameForSymbol = symbolName + ":" + nameForSymbol;
var symbol = Linker.DefineSymbol(Metadata.CustomAttributeArgument + nameForSymbol, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer1 = new EndianAwareBinaryWriter(symbol.Stream, Architecture.Endianness);
// 1. Pointer to name (if named)
if (name != null)
{
var nameSymbol = EmitStringWithLength(Metadata.NameString + nameForSymbol, name);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, symbol, writer1.Position, nameSymbol, 0);
}
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
// 2. Is Argument A Field
writer1.Write(isField, TypeLayout.NativePointerSize);
// 3. Argument Type Pointer
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, symbol, writer1.Position, Metadata.TypeDefinition + arg.Type.FullName, 0);
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
// 4. Argument Size
writer1.Write(ComputeArgumentSize(arg.Type, arg.Value), TypeLayout.NativePointerSize);
// 5. Argument Value
WriteArgument(writer1, symbol, arg.Type, arg.Value);
return(symbol);
}
private void EmitDebugInfo(EndianAwareBinaryWriter wr)
{
// note: Compilation Unit Header != Debugging Information Entry
// Compilation Unit Header
var compilationUnitSizePosition = wr.Position;
wr.Write((uint)7); // length
wr.Write((ushort)0x02); // version
wr.Write((uint)0); // abbr tag offset.
wr.WriteByte(4); //addr size of platform
var context = new DwarfWriteContext {
Writer = wr, AbbrevList = AbbrevList
};
var textSection = Compiler.Linker.Sections[(int)SectionKind.Text];
// Debugging Information Entry
var cu = new DwarfCompilationUnit
{
Producer = "Mosa Compiler",
ProgramCounterLow = (uint)textSection.VirtualAddress,
ProgramCounterHigh = (uint)textSection.VirtualAddress + textSection.Size
};
cu.Emit(context);
uint compilationUnitSize = (uint)(wr.Position - compilationUnitSizePosition - sizeof(uint));
wr.Position = compilationUnitSizePosition;
wr.Write(compilationUnitSize);
wr.Position = wr.BaseStream.Length;
}
protected void WriteSectionHeaderStringSection(Section section)
{
Debug.Assert(section == sectionHeaderStringSection);
section.Size = (uint)sectionHeaderStringTable.Count;
writer.Write(sectionHeaderStringTable.ToArray());
}
internal void Write(EndianAwareBinaryWriter writer)
{
writer.Write(this.majorVersion);
writer.Write(this.MinorVersion);
writer.Write(this.buildNumber);
writer.Write(this.revision);
}
/// <summary>
/// Writes the structure to the given writer.
/// </summary>
/// <param name="writer">The writer.</param>
public void Write(EndianAwareBinaryWriter writer)
{
if (writer == null)
throw new ArgumentNullException(@"writer");
writer.Write(this.VirtualAddress);
writer.Write(this.Size);
}
private LinkerSymbol CreateAssemblyDefinition(MosaModule module)
{
// Emit assembly name
var assemblyNameSymbol = EmitStringWithLength(Metadata.NameString + module.Assembly, module.Assembly);
// Emit assembly table
var assemblyTableSymbol = Linker.DefineSymbol(Metadata.AssemblyDefinition + module.Assembly, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer = new EndianAwareBinaryWriter(assemblyTableSymbol.Stream, Architecture.Endianness);
// 1. Pointer to Assembly Name
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, assemblyTableSymbol, writer.Position, assemblyNameSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 2. Pointer to Custom Attributes
if (module.CustomAttributes.Count > 0)
{
var customAttributeListSymbol = CreateCustomAttributesTable(module);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, assemblyTableSymbol, writer.Position, customAttributeListSymbol, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 3. Attributes - IsReflectionOnly (32bit length)
uint flags = 0x0;
if (module.IsReflectionOnly)
{
flags |= 0x1;
}
writer.Write(flags, TypeLayout.NativePointerSize);
// 4. Number of Types
uint count = 0;
writer.WriteZeroBytes(4);
// 5. Pointers to Types
foreach (var type in module.Types.Values)
{
if (type.IsModule)
{
continue;
}
var typeTableSymbol = CreateTypeDefinition(type, assemblyTableSymbol);
// Link
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, assemblyTableSymbol, writer.Position, typeTableSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
count++;
}
writer.Position = 3 * TypeLayout.NativePointerSize;
writer.Write(count, TypeLayout.NativePointerSize);
return(assemblyTableSymbol);
}
private void EmitProtectedRegionTable()
{
var trace = CreateTraceLog("Regions");
var protectedRegionTableSymbol = MethodCompiler.Linker.DefineSymbol(Metadata.ProtectedRegionTable + MethodCompiler.Method.FullName, SectionKind.ROData, NativeAlignment, 0);
var writer = new EndianAwareBinaryWriter(protectedRegionTableSymbol.Stream, Architecture.Endianness);
int sectioncount = 0;
// 1. Number of Regions (filled in later)
writer.Write((uint)0);
foreach (var region in MethodCompiler.ProtectedRegions)
{
var handler = (uint)MethodCompiler.GetPosition(region.Handler.HandlerStart);
trace?.Log($"Handler: {region.Handler.TryStart.ToString("X4")} to {region.Handler.TryEnd.ToString("X4")} Handler: {region.Handler.HandlerStart.ToString("X4")} Offset: [{handler.ToString("X4")}]");
var sections = new List <Tuple <int, int> >();
foreach (var block in region.IncludedBlocks)
{
// Check if block continues to exist
if (!BasicBlocks.Contains(block))
{
continue;
}
int start = MethodCompiler.GetPosition(block.Label);
int end = MethodCompiler.GetPosition(block.Label + 0x0F000000);
trace?.Log($" Block: {block} [{start.ToString()}-{end.ToString()}]");
AddSection(sections, start, end);
}
foreach (var s in sections)
{
int start = s.Item1;
int end = s.Item2;
sectioncount++;
var name = Metadata.ProtectedRegionTable + MethodCompiler.Method.FullName + "$" + sectioncount.ToString();
var protectedRegionDefinition = CreateProtectedRegionDefinition(name, (uint)start, (uint)end, handler, region.Handler.ExceptionHandlerType, region.Handler.Type);
MethodCompiler.Linker.Link(LinkType.AbsoluteAddress, NativePatchType, protectedRegionTableSymbol, writer.Position, protectedRegionDefinition, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
trace?.Log($" Section: [{start.ToString()}-{end.ToString()}]");
}
}
// 1. Number of Regions (now put the real number)
writer.Position = 0;
writer.Write(sectioncount);
}
/// <summary>
/// Writes the structure to the given writer.
/// </summary>
/// <param name="writer">The writer.</param>
public void Write(EndianAwareBinaryWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException(@"writer");
}
writer.Write(this.VirtualAddress);
writer.Write(this.Size);
}
internal void Write(EndianAwareBinaryWriter writer)
{
writer.Write((ushort)this.imageKind);
writer.Write(this.lMajor);
writer.Write(this.lMinor);
writer.Write(this.codeSize);
writer.Write(this.initializedDataSize);
writer.Write(this.uninitializedDataSize);
writer.Write(this.entryPointRVA);
writer.Write(this.baseOfCode);
switch (this.imageKind)
{
case PEImageKind.x86Image:
writer.Write(this.baseOfData);
break;
case PEImageKind.x64Image:
break;
case PEImageKind.RomImage:
throw new NotImplementedException();
default:
throw new BadImageFormatException();
}
}
private LinkerSymbol EmitStringWithLength(string name, string value)
{
// Strings are now going to be embedded objects since they are immutable
var symbol = Linker.DefineSymbol(name, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer = new EndianAwareBinaryWriter(symbol.Stream, Architecture.Endianness);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, symbol, writer.Position, Metadata.TypeDefinition + "System.String", 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize * 2);
writer.Write(value.Length, TypeLayout.NativePointerSize);
writer.Write(Encoding.Unicode.GetBytes(value));
return(symbol);
}
private void EmitDebugLine(EndianAwareBinaryWriter wr)
{
var compilationUnitSizePosition = wr.Position;
wr.Write((uint)0); // Placeholder for Compilation unit Size
wr.WriteByte(0x02); // DWARF Version
wr.WriteByte(0x00); // version (2 bytes)
var headerSizePosition = wr.Position;
wr.Write((uint)0); // Placeholder for header size
wr.WriteByte(0x01); // Minimum Instruction length
wr.WriteByte(0x01); // Default is_stmt value
wr.WriteByte(0xFB); // Value doesn't matter, because we are not using special op codes
wr.WriteByte(0x0E); // Value doesn't matter, because we are not using special op codes
wr.WriteByte(9 + 1); // first special op code
// the number of arguments for the 9 standard opcodes
wr.WriteByte(0x00); // 1
wr.WriteByte(0x01); // 2
wr.WriteByte(0x01); // ...
wr.WriteByte(0x01);
wr.WriteByte(0x01);
wr.WriteByte(0x00);
wr.WriteByte(0x00);
wr.WriteByte(0x00);
wr.WriteByte(0x01); // 9
AddFilenames();
EmitDirectories(wr);
EmitFiles(wr);
// Write header size
uint headerSize = (uint)(wr.Position - headerSizePosition - sizeof(uint));
wr.Position = headerSizePosition;
wr.Write(headerSize);
wr.Position = wr.BaseStream.Length;
EmitDebugLineTypes(wr);
uint compilationUnitSize = (uint)(wr.Position - compilationUnitSizePosition - sizeof(uint));
wr.Position = compilationUnitSizePosition;
wr.Write(compilationUnitSize);
wr.Position = wr.BaseStream.Length;
}
/// <summary>
/// Writes the header to the given binary writer.
/// </summary>
/// <param name="writer">The binary writer to write to.</param>
public void WriteTo(EndianAwareBinaryWriter writer)
{
writer.Write(Cb);
writer.Write(MajorRuntimeVersion);
writer.Write(MinorRuntimeVersion);
Metadata.Write(writer);
writer.Write((uint)Flags);
writer.Write(EntryPointToken);
Resources.Write(writer);
StrongNameSignature.Write(writer);
CodeManagerTable.Write(writer);
VTableFixups.Write(writer);
ExportAddressTableJumps.Write(writer);
ManagedNativeHeader.Write(writer);
}
private LinkerSymbol CreateCustomAttributesTable(MosaUnit unit)
{
// Emit custom attributes table
var customAttributesTableSymbol = Linker.CreateSymbol(unit.FullName + Metadata.CustomAttributesTable, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer1 = new EndianAwareBinaryWriter(customAttributesTableSymbol.Stream, Architecture.Endianness);
// 1. Number of Custom Attributes
writer1.Write(unit.CustomAttributes.Count, TypeLayout.NativePointerSize);
// 2. Pointers to Custom Attributes
// Create the definitions along the way
for (int i = 0; i < unit.CustomAttributes.Count; i++)
{
// Get custom attribute
var ca = unit.CustomAttributes[i];
// Build definition
var customAttributeTableSymbol = CreateCustomAttribute(unit, ca, i);
// Link
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, customAttributesTableSymbol, (int)writer1.Position, 0, customAttributeTableSymbol, 0);
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
}
// Return customAttributesTableSymbol for linker usage
return(customAttributesTableSymbol);
}
private LinkerSymbol CreateCustomAttributesTable(MosaUnit unit)
{
var symbolName = Metadata.CustomAttributesTable + unit.FullName;
var customAttributesTableSymbol = Linker.GetSymbol(symbolName);
if (customAttributesTableSymbol.Size != 0)
{
return(customAttributesTableSymbol);
}
// Emit custom attributes table
customAttributesTableSymbol = Linker.DefineSymbol(symbolName, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer = new EndianAwareBinaryWriter(customAttributesTableSymbol.Stream, Architecture.Endianness);
// 1. Number of Custom Attributes
writer.Write(unit.CustomAttributes.Count, TypeLayout.NativePointerSize);
// 2. Pointers to Custom Attributes
for (int i = 0; i < unit.CustomAttributes.Count; i++)
{
// Get custom attribute
var ca = unit.CustomAttributes[i];
// Build definition
var customAttributeTableSymbol = CreateCustomAttribute(unit, ca, i);
// Link
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, customAttributesTableSymbol, writer.Position, customAttributeTableSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
}
return(customAttributesTableSymbol);
}
private void WriteSectionHeaderStringSection(Section section, EndianAwareBinaryWriter writer)
{
Debug.Assert(section == sectionHeaderStringSection);
section.Size = (uint)sectionHeaderStringTable.Count;
writer.Write(sectionHeaderStringTable.ToArray());
}
private LinkerSymbol CreateParameterDefinition(MosaParameter parameter)
{
// Emit parameter name
var parameterNameSymbol = EmitStringWithLength(Metadata.NameString + parameter, parameter.FullName);
// Emit parameter table
var parameterTableSymbol = Linker.DefineSymbol(Metadata.MethodDefinition + parameter.FullName, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer = new EndianAwareBinaryWriter(parameterTableSymbol.Stream, Architecture.Endianness);
// 1. Pointer to Name
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, parameterTableSymbol, writer.Position, parameterNameSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 2. Pointer to Custom Attributes
if (parameter.CustomAttributes.Count > 0)
{
var customAttributeListSymbol = CreateCustomAttributesTable(parameter);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, parameterTableSymbol, writer.Position, customAttributeListSymbol, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 3. Attributes
writer.Write((uint)parameter.ParameterAttributes, TypeLayout.NativePointerSize);
// 4. Pointer to Parameter Type
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, parameterTableSymbol, writer.Position, Metadata.TypeDefinition + parameter.ParameterType.FullName, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
return(parameterTableSymbol);
}
private LinkerSymbol CreateInterfaceMethodTable(MosaType type, MosaType interfaceType)
{
// Emit interface method table
var interfaceMethodTableSymbol = Linker.DefineSymbol(Metadata.InterfaceMethodTable + type.FullName + "$" + interfaceType.FullName, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer = new EndianAwareBinaryWriter(interfaceMethodTableSymbol.Stream, Architecture.Endianness);
var interfaceMethodTable = TypeLayout.GetInterfaceTable(type, interfaceType) ?? new MosaMethod[0];
// 1. Number of Interface Methods
writer.Write((uint)interfaceMethodTable.Length, TypeLayout.NativePointerSize);
// 2. Pointer to Interface Type
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, interfaceMethodTableSymbol, writer.Position, Metadata.TypeDefinition + interfaceType.FullName, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 3. Pointers to Method Definitions
foreach (var method in interfaceMethodTable)
{
// Create definition and get the symbol
var methodDefinitionSymbol = CreateMethodDefinition(method);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, interfaceMethodTableSymbol, writer.Position, methodDefinitionSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
}
return(interfaceMethodTableSymbol);
}
private void CreateFieldDefinitions(MosaType type)
{
foreach (MosaField field in type.Fields)
{
string fieldNameSymbol = field.FullName + @"$name";
// Emit field name
using (Stream stream = Linker.Allocate(fieldNameSymbol, SectionKind.ROData, 0, TypeLayout.NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, Architecture.Endianness))
{
EmitStringWithLength(writer, field.Name);
}
}
string fieldDescSymbol = field.FullName + @"$desc";
// Emit field descriptor
using (Stream stream = Linker.Allocate(fieldDescSymbol, SectionKind.ROData, 0, TypeLayout.NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, Architecture.Endianness))
{
// 1. Offset / Address
if (field.IsStatic && !field.IsLiteral)
{
Linker.Link(LinkType.AbsoluteAddress | LinkType.I4, BuiltInPatch.I4, fieldDescSymbol, (int)writer.Position, 0, field.FullName, 0);
}
else
{
writer.Write(TypeLayout.GetFieldOffset(field));
writer.Position -= 4;
}
writer.Position += TypeLayout.NativePointerSize;
// 2. Name
Linker.Link(LinkType.AbsoluteAddress | LinkType.I4, BuiltInPatch.I4, fieldDescSymbol, (int)writer.Position, 0, fieldNameSymbol, 0);
writer.Position += TypeLayout.NativePointerSize;
// 3. Size
writer.Write((uint)TypeLayout.GetFieldSize(field));
// 4. Metadata Token
writer.Write((uint)0); //FIXME!
}
}
}
}
public void Write(EndianAwareBinaryWriter writer)
{
writer.Write(this.offset);
writer.Write(this.size);
int nameLength = this.name.Length;
if ((nameLength & 3) == 0)
{
writer.Write(this.name, 0, nameLength);
}
else
{
byte[] name = new byte[(nameLength + 3) << 2 >> 2];
Array.ConstrainedCopy(this.name, 0, name, 0, nameLength);
writer.Write(name, 0, name.Length);
}
}
/// <summary>
/// Writes the structure to the given writer.
/// </summary>
/// <param name="writer">The writer.</param>
public void Write(EndianAwareBinaryWriter writer)
{
if (writer == null)
throw new ArgumentNullException(@"writer");
writer.Write(this.Signature);
this.FileHeader.Write(writer);
this.OptionalHeader.Write(writer);
}
/// <summary>
/// Writes the structure to the given writer.
/// </summary>
/// <param name="writer">The writer.</param>
public void Write(EndianAwareBinaryWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException(@"writer");
}
writer.Write(this.Signature);
this.FileHeader.Write(writer);
this.OptionalHeader.Write(writer);
}
private void CreateAssemblyDefinitionTable(ITypeModule typeModule)
{
string assemblyNameSymbol = typeModule.Name + @"$aname";
// Emit assembly name
using (Stream stream = linker.Allocate(assemblyNameSymbol, SectionKind.ROData, 0, typeLayout.NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, architecture.IsLittleEndian))
{
EmitStringWithLength(writer, typeModule.Name);
}
}
uint moduleTypes = 0;
foreach (RuntimeType type in typeModule.GetAllTypes())
{
if (!type.IsModule)
moduleTypes++;
}
string assemblyTableSymbol = typeModule.Name + @"$atable";
using (Stream stream = linker.Allocate(assemblyTableSymbol, SectionKind.ROData, 0, typeLayout.NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, architecture.IsLittleEndian))
{
// 1. Pointer to Assembly Name
linker.Link(LinkType.AbsoluteAddress | LinkType.NativeI4, assemblyTableSymbol, 0, 0, assemblyNameSymbol, IntPtr.Zero);
writer.Position += typeLayout.NativePointerSize;
// 2. Number of types
writer.Write(moduleTypes);
// 3. Pointer to list of types
foreach (var type in typeModule.GetAllTypes())
{
if (!type.IsModule && !(type.Module is InternalTypeModule))
linker.Link(LinkType.AbsoluteAddress | LinkType.NativeI4, assemblyTableSymbol, (int)writer.Position, 0, type.FullName + @"$dtable", IntPtr.Zero);
writer.Position += typeLayout.NativePointerSize;
}
}
}
foreach (var type in typeModule.GetAllTypes())
{
if (!type.IsModule)
{
CreateTypeDefinitionTable(type, assemblyTableSymbol);
}
}
}
private LinkerSymbol CreateProtectedRegionDefinition(string name, uint start, uint end, uint handler, ExceptionHandlerType handlerType, MosaType exceptionType)
{
// Emit parameter table
var protectedRegionDefinitionSymbol = MethodCompiler.Linker.DefineSymbol(name, SectionKind.ROData, 0 /*TypeLayout.NativePointerAlignment*/, 0);
var writer1 = new EndianAwareBinaryWriter(protectedRegionDefinitionSymbol.Stream, Architecture.Endianness);
// 1. Offset to start
writer1.Write(start, TypeLayout.NativePointerSize);
// 2. Offset to end
writer1.Write(end, TypeLayout.NativePointerSize);
// 3. Offset to handler
writer1.Write(handler, TypeLayout.NativePointerSize);
// 4. Handler type
writer1.Write((uint)handlerType, TypeLayout.NativePointerSize);
// 5. Exception object type
if (handlerType == ExceptionHandlerType.Exception)
{
// Store method table pointer of the exception object type
// The VES exception runtime will uses this to compare exception object types
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, protectedRegionDefinitionSymbol, writer1.Position, Metadata.TypeDefinition + exceptionType.FullName, 0);
}
else if (handlerType == ExceptionHandlerType.Filter)
{
// TODO: There are no plans in the short term to support filtered exception clause as C# does not use them
}
else
{
}
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
// Return protectedRegionSymbol for linker usage
return(protectedRegionDefinitionSymbol);
}
internal void Write(EndianAwareBinaryWriter writer)
{
writer.Write(this.signature);
writer.Write((ushort)this.machine);
writer.Write(this.sectionCount);
writer.Write(this.secondsElapsedSinceEpoc);
symbolTableRVAndSize.Write(writer);
writer.Write(optionalHeaderSize);
writer.Write((ushort)this.characteristics);
}
private LinkerSymbol CreateCustomAttribute(MosaUnit unit, MosaCustomAttribute ca, int position)
{
// Emit custom attribute list
string name = unit.FullName + ">>" + position.ToString() + ":" + ca.Constructor.DeclaringType.Name;
var customAttributeSymbol = Linker.DefineSymbol(Metadata.CustomAttribute + name, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer1 = new EndianAwareBinaryWriter(customAttributeSymbol.Stream, Architecture.Endianness);
// 1. Pointer to Attribute Type
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, customAttributeSymbol, writer1.Position, Metadata.TypeDefinition + ca.Constructor.DeclaringType.FullName, 0);
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
// 2. Pointer to Constructor Method Definition
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, customAttributeSymbol, writer1.Position, Metadata.MethodDefinition + ca.Constructor.FullName, 0);
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
// 3. Number of Arguments (Both unnamed and named)
writer1.Write((uint)(ca.Arguments.Length + ca.NamedArguments.Length), TypeLayout.NativePointerSize);
// 4. Pointers to Custom Attribute Arguments (Both unnamed and named)
for (int i = 0; i < ca.Arguments.Length; i++)
{
// Build definition
var customAttributeArgumentSymbol = CreateCustomAttributeArgument(name, i, null, ca.Arguments[i], false);
// Link
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, customAttributeSymbol, writer1.Position, customAttributeArgumentSymbol, 0);
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
}
foreach (var namedArg in ca.NamedArguments)
{
// Build definition
var customAttributeArgumentSymbol = CreateCustomAttributeArgument(name, 0, namedArg.Name, namedArg.Argument, namedArg.IsField);
// Link
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, customAttributeSymbol, writer1.Position, customAttributeArgumentSymbol, 0);
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
}
return(customAttributeSymbol);
}
private void CreateDefinitionTables()
{
// Emit assembly list
var assemblyListSymbol = Linker.DefineSymbol(Metadata.AssembliesTable, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer = new EndianAwareBinaryWriter(assemblyListSymbol.Stream, Architecture.Endianness);
// 1. Number of Assemblies
writer.Write((uint)TypeSystem.Modules.Count, TypeLayout.NativePointerSize);
// 2. Pointers to Assemblies
foreach (var module in TypeSystem.Modules)
{
var assemblyTableSymbol = CreateAssemblyDefinition(module);
// Link
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, assemblyListSymbol, writer.Position, assemblyTableSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
}
}
/// <summary>
/// Writes the dos header of the PE file.
/// </summary>
/// <param name="writer">The writer.</param>
private void WriteDosHeader(EndianAwareBinaryWriter writer)
{
/*
* This code block generates the default DOS header of a PE image.
* These constants are not further documented here, please consult
* MSDN for their meaning.
*/
dosHeader.e_magic = ImageDosHeader.DOS_HEADER_MAGIC;
dosHeader.e_cblp = 0x0090;
dosHeader.e_cp = 0x0003;
dosHeader.e_cparhdr = 0x0004;
dosHeader.e_maxalloc = 0xFFFF;
dosHeader.e_sp = 0xb8;
dosHeader.e_lfarlc = 0x0040;
dosHeader.e_lfanew = 0x00000080;
dosHeader.Write(writer);
writer.Write(dosmessage);
}
private LinkerSymbol CreateInterfaceSlotTable(MosaType type)
{
// Emit interface slot table
var interfaceSlotTableSymbol = Linker.CreateSymbol(type.FullName + Metadata.InterfaceSlotTable, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer1 = new EndianAwareBinaryWriter(interfaceSlotTableSymbol.Stream, Architecture.Endianness);
var slots = new List <MosaType>(TypeLayout.Interfaces.Count);
foreach (MosaType interfaceType in TypeLayout.Interfaces)
{
if (type.Interfaces.Contains(interfaceType))
{
slots.Add(interfaceType);
}
else
{
slots.Add(null);
}
}
// 1. Number of Interface slots
writer1.Write((uint)slots.Count, TypeLayout.NativePointerSize);
// 2. Pointers to Interface Method Tables
foreach (MosaType interfaceType in slots)
{
if (interfaceType != null)
{
var interfaceMethodTableSymbol = CreateInterfaceMethodTable(type, interfaceType);
// Link
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, interfaceSlotTableSymbol, (int)writer1.Position, 0, interfaceMethodTableSymbol, 0);
}
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
}
// Return interfaceSlotTableSymbol for linker usage
return(interfaceSlotTableSymbol);
}
/// <summary>
/// Writes the dos header of the PE file.
/// </summary>
/// <param name="writer">The writer.</param>
private void WriteDosHeader(EndianAwareBinaryWriter writer)
{
/*
* This code block generates the default DOS header of a PE image.
* These constants are not further documented here, please consult
* MSDN for their meaning.
*/
dosHeader.e_magic = ImageDosHeader.DOS_HEADER_MAGIC;
dosHeader.e_cblp = 0x0090;
dosHeader.e_cp = 0x0003;
dosHeader.e_cparhdr = 0x0004;
dosHeader.e_maxalloc = 0xFFFF;
dosHeader.e_sp = 0xb8;
dosHeader.e_lfarlc = 0x0040;
dosHeader.e_lfanew = 0x00000080;
dosHeader.Write(writer);
writer.Write(dosmessage);
}
private LinkerSymbol CreateMethodDefinition(MosaMethod method)
{
var symbolName = Metadata.MethodDefinition + method.FullName;
var methodTableSymbol = Linker.GetSymbol(symbolName);
if (methodTableSymbol.Size != 0)
{
return(methodTableSymbol);
}
// Emit method name
var methodNameSymbol = EmitStringWithLength(Metadata.NameString + method.FullName, method.FullName);
// Emit method table
methodTableSymbol = Linker.DefineSymbol(symbolName, SectionKind.ROData, TypeLayout.NativePointerAlignment, (method.Signature.Parameters.Count + 9) * TypeLayout.NativePointerSize);
var writer = new EndianAwareBinaryWriter(methodTableSymbol.Stream, Architecture.Endianness);
// 1. Pointer to Name
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, methodTableSymbol, writer.Position, methodNameSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 2. Pointer to Custom Attributes
if (method.CustomAttributes.Count > 0)
{
var customAttributeListSymbol = CreateCustomAttributesTable(method);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, methodTableSymbol, writer.Position, customAttributeListSymbol, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 3. Attributes
writer.Write((uint)method.MethodAttributes, TypeLayout.NativePointerSize);
var targetMethodData = GetTargetMethodData(method);
// 4. Local Stack Size (16 Bits) && Parameter Stack Size (16 Bits)
writer.Write(targetMethodData.LocalMethodStackSize | (targetMethodData.ParameterStackSize << 16), TypeLayout.NativePointerSize);
// 5. Pointer to Method
if (targetMethodData.HasCode)
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, methodTableSymbol, writer.Position, targetMethodData.Method.FullName, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 6. Pointer to return type
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, methodTableSymbol, writer.Position, Metadata.TypeDefinition + method.Signature.ReturnType.FullName, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 7. Pointer to Exception Handler Table
if (targetMethodData.HasProtectedRegions && targetMethodData.HasCode)
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, methodTableSymbol, writer.Position, Metadata.ProtectedRegionTable + targetMethodData.Method.FullName, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 8. Pointer to GC Tracking information
// TODO: This has yet to be designed.
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 9. Number of Parameters
writer.Write((uint)method.Signature.Parameters.Count, TypeLayout.NativePointerSize);
// 10. Pointers to Parameter Definitions
foreach (var parameter in method.Signature.Parameters)
{
// Create definition and get the symbol
var parameterDefinitionSymbol = CreateParameterDefinition(parameter);
// Link
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, methodTableSymbol, writer.Position, parameterDefinitionSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
}
return(methodTableSymbol);
}
private LinkerSymbol CreatePropertyDefinitions(MosaType type)
{
// Emit properties table
var propertiesTableSymbol = Linker.DefineSymbol(Metadata.PropertiesTable + type.FullName, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer = new EndianAwareBinaryWriter(propertiesTableSymbol.Stream, Architecture.Endianness);
// 1. Number of Properties
writer.Write((uint)type.Properties.Count, TypeLayout.NativePointerSize);
// 2. Pointers to Property Definitions
foreach (var property in type.Properties)
{
// Emit field name
var fieldNameSymbol = EmitStringWithLength(Metadata.NameString + property.FullName, property.Name);
// Emit property definition
var propertyDefSymbol = Linker.DefineSymbol(Metadata.PropertyDefinition + property.FullName, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer2 = new EndianAwareBinaryWriter(propertyDefSymbol.Stream, Architecture.Endianness);
// 1. Name
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, propertyDefSymbol, writer2.Position, fieldNameSymbol, 0);
writer2.WriteZeroBytes(TypeLayout.NativePointerSize);
// 2. Pointer to Custom Attributes
if (property.CustomAttributes.Count > 0)
{
var customAttributesTableSymbol = CreateCustomAttributesTable(property);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, propertyDefSymbol, writer.Position, customAttributesTableSymbol, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 3. Attributes
writer.Write((uint)property.PropertyAttributes, TypeLayout.NativePointerSize);
// 4. Pointer to Property Type
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, propertyDefSymbol, writer2.Position, Metadata.TypeDefinition + property.PropertyType.FullName, 0);
writer2.WriteZeroBytes(TypeLayout.NativePointerSize);
// If the type is a interface then skip linking the methods
if (!type.IsInterface)
{
// TODO: Replace .HasImpelement with .HasCode
// 5. Pointer to Getter Method Definition
if (property.GetterMethod != null && property.GetterMethod.HasImplementation && !property.GetterMethod.HasOpenGenericParams)
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, propertyDefSymbol, writer2.Position, Metadata.MethodDefinition + property.GetterMethod.FullName, 0);
}
writer2.WriteZeroBytes(TypeLayout.NativePointerSize);
// 6. Pointer to Setter Method Definition
if (property.SetterMethod != null && property.SetterMethod.HasImplementation && !property.SetterMethod.HasOpenGenericParams)
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, propertyDefSymbol, writer2.Position, Metadata.MethodDefinition + property.SetterMethod.FullName, 0);
}
writer2.WriteZeroBytes(TypeLayout.NativePointerSize);
}
else
{
// Fill 5 and 6 with zeros.
writer.WriteZeroBytes(TypeLayout.NativePointerSize * 2);
}
// Add pointer to properties table
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, propertiesTableSymbol, writer.Position, propertyDefSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
}
return(propertiesTableSymbol);
}
private LinkerSymbol CreateFieldDefinitions(MosaType type)
{
// Emit fields table
var fieldsTableSymbol = Linker.DefineSymbol(Metadata.FieldsTable + type.FullName, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer1 = new EndianAwareBinaryWriter(fieldsTableSymbol.Stream, Architecture.Endianness);
// 1. Number of Fields
writer1.Write((uint)type.Fields.Count, TypeLayout.NativePointerSize);
// 2. Pointers to Field Definitions
foreach (var field in type.Fields)
{
// Emit field name
var fieldNameSymbol = EmitStringWithLength(Metadata.NameString + field.FullName, field.Name);
// Emit field definition
var fieldDefSymbol = Linker.DefineSymbol(Metadata.FieldDefinition + field.FullName, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer2 = new EndianAwareBinaryWriter(fieldDefSymbol.Stream, Architecture.Endianness);
// 1. Name
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, fieldDefSymbol, writer2.Position, fieldNameSymbol, 0);
writer2.WriteZeroBytes(TypeLayout.NativePointerSize);
// 2. Pointer to Custom Attributes
if (field.CustomAttributes.Count > 0)
{
var customAttributesTableSymbol = CreateCustomAttributesTable(field);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, fieldDefSymbol, writer2.Position, customAttributesTableSymbol, 0);
}
writer2.WriteZeroBytes(TypeLayout.NativePointerSize);
// 3. Attributes
writer2.Write((uint)field.FieldAttributes, TypeLayout.NativePointerSize);
// 4. Pointer to Field Type
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, fieldDefSymbol, writer2.Position, Metadata.TypeDefinition + field.FieldType.FullName, 0);
writer2.WriteZeroBytes(TypeLayout.NativePointerSize);
// 5 & 6. Offset / Address + Size
if (field.IsStatic && !field.IsLiteral && !type.HasOpenGenericParams)
{
if (Compiler.MethodScanner.IsFieldAccessed(field))
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, fieldDefSymbol, writer2.Position, field.FullName, 0);
}
writer2.WriteZeroBytes(TypeLayout.NativePointerSize);
writer2.Write(field.Data?.Length ?? 0, TypeLayout.NativePointerSize);
}
else
{
writer2.WriteZeroBytes(TypeLayout.NativePointerSize);
writer2.Write(TypeLayout.GetFieldOffset(field), TypeLayout.NativePointerSize);
}
// Add pointer to field list
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, fieldsTableSymbol, writer1.Position, fieldDefSymbol, 0);
writer1.WriteZeroBytes(TypeLayout.NativePointerSize);
}
return(fieldsTableSymbol);
}
/// <summary>
/// Writes the elf header
/// </summary>
/// <param name="writer">The writer.</param>
protected void Write64(EndianAwareBinaryWriter writer)
{
writer.Seek(0, SeekOrigin.Begin);
writer.Write(Ident); // ident
writer.Write((ushort)Type); // type
writer.Write((ushort)Machine); // machine
writer.Write((uint)Version); // version
writer.Write(EntryAddress); // entry
writer.Write((ulong)ProgramHeaderOffset); // phoff
writer.Write((ulong)SectionHeaderOffset); // shoff
writer.Write(Flags); // flags
writer.Write(ElfHeaderSize64); // ehsize
writer.Write(ProgramHeader.EntrySize64); // phentsize
writer.Write(ProgramHeaderNumber); // phnum
writer.Write(SectionHeaderEntry.EntrySize64); // shentsize
writer.Write((ushort)SectionHeaderNumber); // shnum
writer.Write((ushort)SectionHeaderStringIndex); // shstrndx
}
public static void PatchSyslinux_6_03(PartitionDevice partitionDevice, FatFileSystem fat)
{
// Locate ldlinux.sys file for patching
string filename = "ldlinux.sys";
string name = (Path.GetFileNameWithoutExtension(filename) + Path.GetExtension(filename).PadRight(4).Substring(0, 4)).ToUpper();
var location = fat.FindEntry(new Mosa.FileSystem.FAT.Find.WithName(name), 0);
if (!location.IsValid)
throw new InvalidProgramException("Unable to find syslinux.sys");
// Get the file size & number of sectors used
uint fileSize = fat.GetFileSize(location.DirectorySector, location.DirectorySectorIndex);
var sectors = new List<uint>();
// Create list of the sectors of the file
for (uint cluster = location.FirstCluster; (cluster != 0); cluster = fat.GetNextCluster(cluster))
{
uint sec = fat.GetSectorByCluster(cluster);
for (uint i = 0; i < fat.SectorsPerCluster; i++)
{
sectors.Add(sec + i);
}
}
// Get the ldlinux.sys file stream
var ldlinux = new FatFileStream(fat, location);
var ldlinuxReader = new EndianAwareBinaryReader(ldlinux, Endianness.Little);
// Search for 0x3EB202FE (magic)
while ((ldlinuxReader.ReadUInt32() != Syslinux.LDLINUX_MAGIC) && (ldlinux.Position < ldlinux.Length)) ;
if (ldlinux.Position >= ldlinux.Length || ldlinux.Position <= 0)
throw new InvalidProgramException("Unable to find patch location for syslinux");
uint patchArea = (uint)ldlinux.Position - 4;
// Get Extended Patch Area offset
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.EPAOffset;
ushort epa = ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.Sect1Ptr0;
uint sect1Ptr0 = (uint)ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.Sect1Ptr1;
uint sect1Ptr1 = (uint)ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.SecPtrOffset;
uint ex = (uint)ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.SecPtrCnt;
uint nptrs = (uint)ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.AdvPtrOffset;
uint advptrs = (uint)ldlinuxReader.ReadUInt16();
if (sectors.Count > nptrs)
throw new InvalidProgramException("Insufficient space for patching syslinux");
var ldlinuxWriter = new EndianAwareBinaryWriter(ldlinux, Endianness.Little);
// Set up the totals
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.DataSectors;
ldlinuxWriter.Write((ushort)sectors.Count);
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.DataSectors;
ldlinuxWriter.Write((ushort)2);
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.DataSectors;
ldlinuxWriter.Write((uint)fileSize >> 2);
// Generate Extents
var extents = GenerateExtents(sectors);
ldlinux.Position = ex;
// Write out extents
foreach (var extent in extents)
{
ldlinuxWriter.Write((ulong)extent.Start);
ldlinuxWriter.Write((ushort)extent.Length);
}
// Write out ADV
ldlinux.Position = advptrs;
ldlinuxWriter.Write((ulong)sectors[sectors.Count - 2]);
ldlinuxWriter.Write((ulong)sectors[sectors.Count - 1]);
// Clear out checksum
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.Checksum;
ldlinuxWriter.Write((uint)0);
// Write back the updated cluster
ldlinuxWriter.Flush();
// Re-Calculate checksum
ldlinux.Position = 0;
uint csum = Syslinux.LDLINUX_MAGIC;
for (uint index = 0; index < (ldlinux.Length >> 2); index++)
{
csum = csum + ldlinuxReader.ReadUInt32();
}
// Set the checksum
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.Checksum;
ldlinuxWriter.Write(csum);
// Write patched cluster back to disk
ldlinuxWriter.Flush();
// Read boot sector
var fatBootSector = new BinaryFormat(partitionDevice.ReadBlock(0, 1));
// Set the first sector location of the file
fatBootSector.SetUInt(sect1Ptr0, fat.GetSectorByCluster(location.FirstCluster));
fatBootSector.SetUInt(sect1Ptr1, 0); // since only 32-bit offsets are support, the high portion of 64-bit value is zero
// Write back patched boot sector
partitionDevice.WriteBlock(0, 1, fatBootSector.Data);
}
/// <summary>
///
/// </summary>
/// <param name="strFileName"></param>
public static IEnumerator SendVideoViaRenderTexture(int intDeviceScreenWidth, int intDeviceScreenHeight)
{
if (blnSendingScreenShot == false)
{
blnSendingScreenShot = true;
yield return new WaitForEndOfFrame();
RenderTexture rtRenderTexture = new RenderTexture(intDeviceScreenWidth, intDeviceScreenHeight, 24);
Camera.main.targetTexture = rtRenderTexture;
Texture2D txtScreenShot = new Texture2D(intDeviceScreenWidth, intDeviceScreenHeight, TextureFormat.RGB24, false);
Camera.main.Render();
yield return 0;
RenderTexture.active = rtRenderTexture;
txtScreenShot.ReadPixels(new Rect(0, 0, intDeviceScreenWidth, intDeviceScreenHeight), 0, 0);
Camera.main.targetTexture = null;
RenderTexture.active = null;
GameObject.Destroy(rtRenderTexture);
yield return 0;
byte[] bytTexture = TextureUtilities.TextureToBytes(txtScreenShot);
Int32 intCompressedSize = bytTexture.Length;
yield return 0;
UnityEngine.Debug.Log("about to write data to stream");
MemoryStream stream = new MemoryStream();
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, false))
{
writer.Write(ViewerConstants.MESSAGE_IMAGE);
writer.Write(intDeviceScreenWidth);
writer.Write(intDeviceScreenHeight);
writer.Write(intCompressedSize);
writer.Write(bytTexture);
}
UnityEngine.Debug.Log("convert stream to byte array");
byte[] bytTxData = stream.ToArray();
//send the texture to the clients
ClientControl.Instance.SendTx(bytTxData);
blnSendingScreenShot = false;
}
}
private void EmitProtectedBlockTable()
{
List<ProtectedBlock> entries = new List<ProtectedBlock>();
foreach (var clause in MethodCompiler.Method.ExceptionBlocks)
{
ProtectedBlock prev = new ProtectedBlock();
foreach (BasicBlock block in exceptionBlocks[clause])
{
uint start = (uint)codeEmitter.GetPosition(block.Label);
uint end = (uint)codeEmitter.GetPosition(block.Label + 0x0F000000);
ExceptionHandlerType kind = clause.HandlerType;
uint handler = 0;
uint filter = 0;
MosaType type = clause.Type;
handler = (uint)codeEmitter.GetPosition(clause.HandlerOffset);
if (kind == ExceptionHandlerType.Filter)
{
filter = (uint)codeEmitter.GetPosition(clause.FilterOffset.Value);
}
// TODO: Optimization - Search for existing exception protected region (before or after) to merge the current block
// Simple optimization assuming blocks are somewhat sorted by position
if (prev.End == start && prev.Kind == kind && prev.Handler == handler && prev.Filter == filter && prev.Type == type)
{
// merge protected blocks sequence
prev.End = end;
}
else if (prev.Start == end && prev.Kind == kind && prev.Handler == handler && prev.Filter == filter && prev.Type == type)
{
// merge protected blocks sequence
prev.Start = start;
}
else
{
// new protection block sequence
ProtectedBlock entry = new ProtectedBlock(start, end, handler, kind, type, filter);
entries.Add(entry);
prev = entry;
}
}
}
int tableSize = (entries.Count * NativePointerSize * 5) + NativePointerSize;
string section = MethodCompiler.Method.FullName + @"$etable";
using (Stream stream = MethodCompiler.Linker.Allocate(section, SectionKind.ROData, tableSize, NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, Architecture.Endianness))
{
foreach (ProtectedBlock entry in entries)
{
// FIXME: Assumes x86 platform
writer.Write((uint)entry.Kind);
writer.Write(entry.Start);
writer.Write(entry.Length);
writer.Write(entry.Handler);
if (entry.Kind == ExceptionHandlerType.Exception)
{
// Store method table pointer of the exception object type
// The VES exception runtime will uses this to compare exception object types
MethodCompiler.Linker.Link(LinkType.AbsoluteAddress | LinkType.I4, BuiltInPatch.I4, section, (int)writer.Position, 0, entry.Type.FullName + "$mtable", 0);
writer.Position += NativePointerSize;
}
else if (entry.Kind == ExceptionHandlerType.Filter)
{
// TODO: There are no plans in the short term to support filtered exception clause as C# does not use them
writer.Position += NativePointerSize;
}
else
{
writer.Position += NativePointerSize;
}
}
// Mark end of table
writer.Position += TypeLayout.NativePointerSize;
}
}
}
private void CreateAssemblyListTable()
{
string assemblyListSymbol = @"<$>AssemblyList";
using (Stream stream = linker.Allocate(assemblyListSymbol, SectionKind.ROData, 0, typeLayout.NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, architecture.IsLittleEndian))
{
// 1. Number of assemblies (modules)
writer.Write((uint)typeSystem.TypeModules.Count);
// 2. Pointers to assemblies
foreach (var module in typeSystem.TypeModules)
{
linker.Link(LinkType.AbsoluteAddress | LinkType.NativeI4, assemblyListSymbol, (int)writer.Position, 0, module.Name + "$atable", IntPtr.Zero);
writer.Position += typeLayout.NativePointerSize;
}
}
}
// Create a table per assembly
foreach (var module in typeSystem.TypeModules)
{
CreateAssemblyDefinitionTable(module);
}
}
private void CreateTypeDefinitionTable(RuntimeType type, string assemblySymbol)
{
string typeNameSymbol = type + @"$tname";
// Emit type name
using (Stream stream = linker.Allocate(typeNameSymbol, SectionKind.ROData, 0, typeLayout.NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, architecture.IsLittleEndian))
{
EmitStringWithLength(writer, type.FullName);
}
}
string typeTableSymbol = type.FullName + @"$dtable";
using (Stream stream = linker.Allocate(typeTableSymbol, SectionKind.ROData, 0, typeLayout.NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, architecture.IsLittleEndian))
{
// 1. Size
writer.Write((uint)typeLayout.GetTypeSize(type));
// 2. Metadata Token
writer.Write((uint)type.Token.ToUInt32());
// 3. Pointer to Name
linker.Link(LinkType.AbsoluteAddress | LinkType.NativeI4, typeTableSymbol, (int)writer.Position, 0, typeNameSymbol, IntPtr.Zero);
writer.Position += typeLayout.NativePointerSize;
// 4. Pointer to Assembly Definition
linker.Link(LinkType.AbsoluteAddress | LinkType.NativeI4, typeTableSymbol, (int)writer.Position, 0, assemblySymbol, IntPtr.Zero);
writer.Position += typeLayout.NativePointerSize;
// 5. TODO: Constructor that accept no parameters, if any, for this type
writer.WriteZeroBytes(typeLayout.NativePointerSize);
// 6. Flag: IsInterface
writer.WriteByte((byte)(type.IsInterface ? 1 : 0));
}
}
}
private void EmitStringWithLength(EndianAwareBinaryWriter stream, string value)
{
stream.Write(value.Length);
stream.Write(System.Text.ASCIIEncoding.ASCII.GetBytes(value));
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public static IEnumerator SendVideoStream(int intDeviceScreenWidth, int intDeviceScreenHeight)
{
byte[] bytTexture;
//UnityEngine.Debug.Log("Entered SendVideoStream");
//make sure we dont start a new image tx until the last one is complete
//also make sure that we are already connected to the device
if (blnSendingScreenShot == false && ClientControl.Instance.IsConnected() == true)
{
UnityEngine.Debug.Log("sending new screen shot");
blnSendingScreenShot = true;
// wait for graphics to render
yield return new WaitForEndOfFrame();
// create a texture to pass to encoding
Texture2D txtScreenCapture = TextureUtilities.CaptureScreenShot();
//if the device screen size is different than this one, then resize it
if (txtScreenCapture.width != intDeviceScreenWidth || txtScreenCapture.height != intDeviceScreenHeight)
{
yield return 0;
// scale the texture down
TextureUtilities.TextureScale.Point(txtScreenCapture, intDeviceScreenWidth, intDeviceScreenHeight);
}
yield return 0;
//txtScreenCapture.format = TextureFormat.ATC_RGBA8;
bytTexture = TextureUtilities.TextureToBytes(txtScreenCapture);
Int32 intCompressedSize = bytTexture.Length;
UnityEngine.Debug.Log("about to write data to stream");
MemoryStream stream = new MemoryStream();
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, false))
{
writer.Write(ViewerConstants.MESSAGE_IMAGE);
writer.Write(intDeviceScreenWidth);
writer.Write(intDeviceScreenHeight);
writer.Write(intCompressedSize);
writer.Write(bytTexture);
}
UnityEngine.Debug.Log("convert stream to byte array");
byte[] bytTxData = stream.ToArray();
//send the texture to the clients
ClientControl.Instance.SendTx(bytTxData);
yield return 0;
//System.Threading.Thread.Sleep(5000);
// Tell unity to delete the texture, by default it seems to keep hold of it and memory crashes will occur after too many screenshots.
//DestroyObject(txtScreenCapture);
blnSendingScreenShot = false;
}
//UnityEngine.Debug.Log("Leaving SendVideoStream");
}
/// <summary>
/// Writes the header to the given binary writer.
/// </summary>
/// <param name="writer">The binary writer to write to.</param>
public void WriteTo(EndianAwareBinaryWriter writer)
{
writer.Write(Cb);
writer.Write(MajorRuntimeVersion);
writer.Write(MinorRuntimeVersion);
Metadata.Write(writer);
writer.Write((uint)Flags);
writer.Write(EntryPointToken);
Resources.Write(writer);
StrongNameSignature.Write(writer);
CodeManagerTable.Write(writer);
VTableFixups.Write(writer);
ExportAddressTableJumps.Write(writer);
ManagedNativeHeader.Write(writer);
}
private void CreateTypeDefinitionTable(MosaType type)
{
string typeNameSymbol = type + @"$tname";
// Emit type name
using (Stream stream = Linker.Allocate(typeNameSymbol, SectionKind.ROData, 0, TypeLayout.NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, Architecture.Endianness))
{
EmitStringWithLength(writer, type.FullName);
}
}
string typeTableSymbol = type.FullName + @"$dtable";
using (Stream stream = Linker.Allocate(typeTableSymbol, SectionKind.ROData, 0, TypeLayout.NativePointerAlignment))
{
using (EndianAwareBinaryWriter writer = new EndianAwareBinaryWriter(stream, Architecture.Endianness))
{
// 1. Size
writer.Write((uint)TypeLayout.GetTypeSize(type));
// 2. Metadata Token
//writer.Write((uint)type.Token.ToUInt32());
writer.Write((uint)0); //FIXME! ^^^
// 3. Pointer to Name
Linker.Link(LinkType.AbsoluteAddress | LinkType.I4, BuiltInPatch.I4, typeTableSymbol, (int)writer.Position, 0, typeNameSymbol, 0);
writer.Position += TypeLayout.NativePointerSize;
// 4. Pointer to Assembly Definition
//linker.Link(LinkType.AbsoluteAddress | LinkType.I4, BuiltInPatch.I4, typeTableSymbol, (int)writer.Position, 0, assemblySymbol, 0);
writer.Position += TypeLayout.NativePointerSize;
// 5. TODO: Constructor that accepts no parameters, if any, for this type
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 6. Flag: IsInterface
writer.WriteByte((byte)(type.IsInterface ? 1 : 0));
}
}
CreateFieldDefinitions(type);
}
public static void PatchSyslinux_6_03(PartitionDeviceDriver partitionDevice, FatFileSystem fat)
{
// Locate ldlinux.sys file for patching
string filename = "ldlinux.sys";
string name = (Path.GetFileNameWithoutExtension(filename) + Path.GetExtension(filename).PadRight(4).Substring(0, 4)).ToUpper();
var location = fat.FindEntry(name);
if (!location.IsValid)
{
throw new InvalidProgramException("Unable to find syslinux.sys");
}
// Get the file size & number of sectors used
uint fileSize = fat.GetFileSize(location.DirectorySector, location.DirectorySectorIndex);
var sectors = new List <uint>();
// Create list of the sectors of the file
for (uint cluster = location.FirstCluster; (cluster != 0); cluster = fat.GetNextCluster(cluster))
{
uint sec = fat.GetSectorByCluster(cluster);
for (uint i = 0; i < fat.SectorsPerCluster; i++)
{
sectors.Add(sec + i);
}
}
// Get the ldlinux.sys file stream
var ldlinux = new FatFileStream(fat, location);
var ldlinuxReader = new EndianAwareBinaryReader(ldlinux, Endianness.Little);
// Search for 0x3EB202FE (magic)
while ((ldlinuxReader.ReadUInt32() != Syslinux.LDLINUX_MAGIC) && (ldlinux.Position < ldlinux.Length))
{
;
}
if (ldlinux.Position >= ldlinux.Length || ldlinux.Position <= 0)
{
throw new InvalidProgramException("Unable to find patch location for syslinux");
}
uint patchArea = (uint)ldlinux.Position - 4;
// Get Extended Patch Area offset
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.EPAOffset;
ushort epa = ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.Sect1Ptr0;
uint sect1Ptr0 = ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.Sect1Ptr1;
uint sect1Ptr1 = ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.SecPtrOffset;
uint ex = ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.SecPtrCnt;
uint nptrs = ldlinuxReader.ReadUInt16();
ldlinux.Position = epa + Syslinux.ExtendedPatchAreaOffset.AdvPtrOffset;
uint advptrs = ldlinuxReader.ReadUInt16();
if (sectors.Count > nptrs)
{
throw new InvalidProgramException("Insufficient space for patching syslinux");
}
var ldlinuxWriter = new EndianAwareBinaryWriter(ldlinux, Endianness.Little);
// Set up the totals
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.DataSectors;
ldlinuxWriter.Write((ushort)sectors.Count);
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.DataSectors;
ldlinuxWriter.Write((ushort)2);
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.DataSectors;
ldlinuxWriter.Write(fileSize >> 2);
// Generate Extents
var extents = GenerateExtents(sectors);
ldlinux.Position = ex;
// Write out extents
foreach (var extent in extents)
{
ldlinuxWriter.Write(extent.Start);
ldlinuxWriter.Write(extent.Length);
}
// Write out ADV
ldlinux.Position = advptrs;
ldlinuxWriter.Write((ulong)sectors[sectors.Count - 2]);
ldlinuxWriter.Write((ulong)sectors[sectors.Count - 1]);
// Clear out checksum
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.Checksum;
ldlinuxWriter.Write((uint)0);
// Write back the updated cluster
ldlinuxWriter.Flush();
// Re-Calculate checksum
ldlinux.Position = 0;
uint csum = Syslinux.LDLINUX_MAGIC;
for (uint index = 0; index < (ldlinux.Length >> 2); index++)
{
csum = csum + ldlinuxReader.ReadUInt32();
}
// Set the checksum
ldlinux.Position = patchArea + Syslinux.PatchAreaOffset.Checksum;
ldlinuxWriter.Write(csum);
// Write patched cluster back to disk
ldlinuxWriter.Flush();
// Read boot sector
var fatBootSector = new DataBlock(partitionDevice.ReadBlock(0, 1));
// Set the first sector location of the file
fatBootSector.SetUInt(sect1Ptr0, fat.GetSectorByCluster(location.FirstCluster));
fatBootSector.SetUInt(sect1Ptr1, 0); // since only 32-bit offsets are support, the high portion of 64-bit value is zero
// Write back patched boot sector
partitionDevice.WriteBlock(0, 1, fatBootSector.Data);
}
/// <summary>
/// Writes the dos header of the PE file.
/// </summary>
/// <param name="writer">The writer.</param>
private void WriteDosHeader(EndianAwareBinaryWriter writer)
{
/*
* This code block generates the default DOS header of a PE image.
* These constants are not further documented here, please consult
* MSDN for their meaning.
*/
this.dosHeader.e_magic = ImageDosHeader.DOS_HEADER_MAGIC;
this.dosHeader.e_cblp = 0x0090;
this.dosHeader.e_cp = 0x0003;
this.dosHeader.e_cparhdr = 0x0004;
this.dosHeader.e_maxalloc = 0xFFFF;
this.dosHeader.e_sp = 0xb8;
this.dosHeader.e_lfarlc = 0x0040;
this.dosHeader.e_lfanew = 0x00000080;
this.dosHeader.Write(writer);
// Write the following 64 bytes, which represent the default x86 code to
// print a message on the screen.
byte[] message = new byte[] {
0x0E, 0x1F, 0xBA, 0x0E, 0x00, 0xB4, 0x09, 0xCD, 0x21, 0xB8, 0x01, 0x4C, 0xCD, 0x21, 0x54, 0x68,
0x69, 0x73, 0x20, 0x70, 0x72, 0x6F, 0x67, 0x72, 0x61, 0x6D, 0x20, 0x72, 0x65, 0x71, 0x75, 0x69,
0x72, 0x65, 0x73, 0x20, 0x61, 0x20, 0x4D, 0x4F, 0x53, 0x41, 0x20, 0x70, 0x6F, 0x77, 0x65, 0x72,
0x65, 0x64, 0x20, 0x4F, 0x53, 0x2E, 0x0D, 0x0D, 0x0A, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
writer.Write(message);
}
private void WriteArgument(EndianAwareBinaryWriter writer, LinkerSymbol symbol, MosaType type, object value)
{
if (type.IsEnum)
{
type = type.GetEnumUnderlyingType();
}
switch (type.TypeCode)
{
// 1 byte
case MosaTypeCode.Boolean:
writer.Write((bool)value);
break;
case MosaTypeCode.U1:
writer.Write((byte)value);
break;
case MosaTypeCode.I1:
writer.Write((sbyte)value);
break;
// 2 bytes
case MosaTypeCode.Char:
writer.Write((char)value);
break;
case MosaTypeCode.U2:
writer.Write((ushort)value);
break;
case MosaTypeCode.I2:
writer.Write((short)value);
break;
// 4 bytes
case MosaTypeCode.U4:
writer.Write((uint)value);
break;
case MosaTypeCode.I4:
writer.Write((int)value);
break;
case MosaTypeCode.R4:
writer.Write((float)value);
break;
// 8 bytes
case MosaTypeCode.U8:
writer.Write((ulong)value);
break;
case MosaTypeCode.I8:
writer.Write((long)value);
break;
case MosaTypeCode.R8:
writer.Write((double)value);
break;
// SZArray
case MosaTypeCode.SZArray:
Debug.Assert(value is MosaCustomAttribute.Argument[]);
var arr = (MosaCustomAttribute.Argument[])value;
writer.Write(arr.Length, TypeLayout.NativePointerSize);
foreach (var elem in arr)
{
WriteArgument(writer, symbol, elem.Type, elem.Value);
}
break;
// String
case MosaTypeCode.String:
// Since strings are immutable, make it an object that we can just use
var str = (string)value;
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, symbol, writer.Position, Metadata.TypeDefinition + "System.String", 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize * 2);
writer.Write(str.Length, TypeLayout.NativePointerSize);
writer.Write(System.Text.Encoding.Unicode.GetBytes(str));
break;
default:
if (type.FullName == "System.Type")
{
var valueType = (MosaType)value;
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, symbol, writer.Position, Metadata.TypeDefinition + valueType.FullName, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
}
else
{
throw new NotSupportedException();
}
break;
}
}
private LinkerSymbol CreateTypeDefinition(MosaType type, LinkerSymbol assemblyTableSymbol)
{
// Emit type table
var typeNameSymbol = EmitStringWithLength(Metadata.NameString + type.FullName, type.FullName);
var typeTableSymbol = Linker.DefineSymbol(Metadata.TypeDefinition + type.FullName, SectionKind.ROData, TypeLayout.NativePointerAlignment, 0);
var writer = new EndianAwareBinaryWriter(typeTableSymbol.Stream, Architecture.Endianness);
// 1. Pointer to Name
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, typeNameSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 2. Pointer to Custom Attributes
if (type.CustomAttributes.Count > 0)
{
var customAttributeListSymbol = CreateCustomAttributesTable(type);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, customAttributeListSymbol, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 3. Type Code & Attributes
writer.Write(((uint)type.TypeCode << 24) + (uint)type.TypeAttributes, TypeLayout.NativePointerSize);
// 4. Size
writer.Write((uint)TypeLayout.GetTypeSize(type), TypeLayout.NativePointerSize);
// 5. Pointer to Assembly Definition
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, assemblyTableSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 6. Pointer to Base Type
if (type.BaseType != null)
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, Metadata.TypeDefinition + type.BaseType.FullName, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 7. Pointer to Declaring Type
if (type.DeclaringType != null)
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, Metadata.TypeDefinition + type.DeclaringType.FullName, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 8. Pointer to Element Type
if (type.ElementType != null)
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, Metadata.TypeDefinition + type.ElementType.FullName, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 9. Constructor that accepts no parameters, if any, for this type
foreach (var method in type.Methods)
{
if (!method.IsConstructor || method.Signature.Parameters.Count != 0 || method.HasOpenGenericParams)
{
continue;
}
var targetMethodData = GetTargetMethodData(method);
if (targetMethodData.HasCode)
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, Metadata.MethodDefinition + targetMethodData.Method.FullName, 0);
}
break;
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 10. Properties (if any)
if (type.Properties.Count > 0)
{
var propertiesSymbol = CreatePropertyDefinitions(type);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, propertiesSymbol, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// If the type is not an interface continue, otherwise just pad until the end
if (!type.IsInterface)
{
// 11. Fields (if any)
if (type.Fields.Count > 0)
{
var fieldsSymbol = CreateFieldDefinitions(type);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, fieldsSymbol, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
var interfaces = type.HasOpenGenericParams ? null : GetInterfaces(type);
// If the type doesn't use interfaces then skip 9 and 10
if (interfaces != null && interfaces.Count > 0)
{
// 12. Pointer to Interface Slots
var interfaceSlotTableSymbol = CreateInterfaceSlotTable(type, interfaces);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, interfaceSlotTableSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
// 13. Pointer to Interface Bitmap
var interfaceBitmapSymbol = CreateInterfaceBitmap(type, interfaces);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, interfaceBitmapSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
}
else
{
// Fill 12 and 13 with zeros
writer.WriteZeroBytes(TypeLayout.NativePointerSize * 2);
}
// For the next part we'll need to get the list of methods from the MosaTypeLayout
var methodList = TypeLayout.GetMethodTable(type) ?? new List <MosaMethod>();
// 14. Number of Methods
writer.Write(methodList.Count, TypeLayout.NativePointerSize);
// 15. Pointer to Methods
foreach (var method in methodList)
{
var targetMethodData = GetTargetMethodData(method);
if (targetMethodData.HasCode)
{
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, targetMethodData.Method.FullName, 0);
}
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
}
// 16. Pointer to Method Definitions
foreach (var method in methodList)
{
// Create definition and get the symbol
var methodDefinitionSymbol = CreateMethodDefinition(method);
Linker.Link(LinkType.AbsoluteAddress, NativePatchType, typeTableSymbol, writer.Position, methodDefinitionSymbol, 0);
writer.WriteZeroBytes(TypeLayout.NativePointerSize);
}
}
else
{
// Fill 11, 12, 13, 14 with zeros, 15 & 16 can be left out.
writer.WriteZeroBytes(TypeLayout.NativePointerSize * 4);
}
return(typeTableSymbol);
}
/// <summary>
/// Writes the header to the given binary writer.
/// </summary>
/// <param name="writer">The binary writer to write to.</param>
public void Write(EndianAwareBinaryWriter writer)
{
writer.Write(e_magic);
writer.Write(e_cblp);
writer.Write(e_cp);
writer.Write(e_crlc);
writer.Write(e_cparhdr);
writer.Write(e_minalloc);
writer.Write(e_maxalloc);
writer.Write(e_ss);
writer.Write(e_sp);
writer.Write(e_csum);
writer.Write(e_ip);
writer.Write(e_cs);
writer.Write(e_lfarlc);
writer.Write(e_ovno);
writer.Write(e_res00);
writer.Write(e_res01);
writer.Write(e_res02);
writer.Write(e_res03);
writer.Write(e_oemid);
writer.Write(e_oeminfo);
writer.Write(e_res20);
writer.Write(e_res21);
writer.Write(e_res22);
writer.Write(e_res23);
writer.Write(e_res24);
writer.Write(e_res25);
writer.Write(e_res26);
writer.Write(e_res27);
writer.Write(e_res28);
writer.Write(e_res29);
writer.Write(e_lfanew);
}
/// <summary>
/// Writes the specified fs.
/// </summary>
/// <param name="writer">The writer.</param>
public void Write(EndianAwareBinaryWriter writer)
{
writer.Seek(0, SeekOrigin.Begin);
writer.Write(Ident);
writer.Write((ushort)Type);
writer.Write((ushort)Machine);
writer.Write((uint)Version);
writer.Write(EntryAddress);
writer.Write(ProgramHeaderOffset);
writer.Write(SectionHeaderOffset);
writer.Write(Flags);
writer.Write(ElfHeaderSize);
writer.Write(ProgramHeaderEntrySize);
writer.Write(ProgramHeaderNumber);
writer.Write(SectionHeaderEntrySize);
writer.Write(SectionHeaderNumber);
SectionHeaderStringIndex = 1;
writer.Write(SectionHeaderStringIndex);
}
