static MetadataToken GetLocalVarToken (ByteBuffer buffer, MethodSymbols symbols)
{
if (symbols.variables.IsNullOrEmpty ())
return MetadataToken.Zero;
buffer.position = 8;
return new MetadataToken (buffer.ReadUInt32 ());
}
void PatchRawFatMethod (ByteBuffer buffer, MethodSymbols symbols, CodeWriter writer, out MetadataToken local_var_token)
{
var flags = ReadUInt16 ();
buffer.WriteUInt16 (flags);
buffer.WriteUInt16 (ReadUInt16 ());
symbols.code_size = ReadInt32 ();
buffer.WriteInt32 (symbols.code_size);
local_var_token = ReadToken ();
if (local_var_token.RID > 0) {
var variables = symbols.variables = ReadVariables (local_var_token);
buffer.WriteUInt32 (variables != null
? writer.GetStandAloneSignature (symbols.variables).ToUInt32 ()
: 0);
} else
buffer.WriteUInt32 (0);
PatchRawCode (buffer, symbols.code_size, writer);
if ((flags & 0x8) != 0)
PatchRawSection (buffer, writer.metadata);
}
public ByteBuffer PatchRawMethodBody(MethodDefinition method, CodeWriter writer, out MethodSymbols symbols)
{
var buffer = new ByteBuffer();
symbols = new MethodSymbols(method.Name);
this.method = method;
reader.context = method;
MoveTo(method.RVA);
var flags = ReadByte();
MetadataToken local_var_token;
switch (flags & 0x3)
{
case 0x2: // tiny
buffer.WriteByte(flags);
local_var_token = MetadataToken.Zero;
symbols.code_size = flags >> 2;
PatchRawCode(buffer, symbols.code_size, writer);
break;
case 0x3: // fat
base.position--;
PatchRawFatMethod(buffer, symbols, writer, out local_var_token);
break;
default:
throw new NotSupportedException();
}
var symbol_reader = reader.module.SymbolReader;
if (symbol_reader != null && writer.metadata.write_symbols)
{
symbols.method_token = GetOriginalToken(writer.metadata, method);
symbols.local_var_token = local_var_token;
symbol_reader.Read(symbols);
}
return(buffer);
}
public ByteBuffer PatchRawMethodBody (MethodDefinition method, CodeWriter writer, out MethodSymbols symbols)
{
var buffer = new ByteBuffer ();
symbols = new MethodSymbols (method.Name);
this.method = method;
reader.context = method;
MoveTo (method.RVA);
var flags = ReadByte ();
MetadataToken local_var_token;
switch (flags & 0x3) {
case 0x2: // tiny
buffer.WriteByte (flags);
local_var_token = MetadataToken.Zero;
symbols.code_size = flags >> 2;
PatchRawCode (buffer, symbols.code_size, writer);
break;
case 0x3: // fat
base.position--;
PatchRawFatMethod (buffer, symbols, writer, out local_var_token);
break;
default:
throw new NotSupportedException ();
}
var symbol_reader = reader.module.SymbolReader;
if (symbol_reader != null && writer.metadata.write_symbols) {
symbols.method_token = GetOriginalToken (writer.metadata, method);
symbols.local_var_token = local_var_token;
symbol_reader.Read (symbols);
}
return buffer;
}
