//Runtime.GetMethodByAddress((ulong)src.MethodHandle.GetFunctionPointer());
Option<MethodDisassembly> Disassemble(MethodInfo method, Action<string> onError)
{
try
{
var clrMethod = GetRuntimeMethod(method);
if(clrMethod == null || clrMethod.NativeCode == 0)
{
onError($"Method {method.Name} not found");
return null;
}
var asmBody = DecodeAsm(method);
var ilBytes = ReadCilBytes(clrMethod);
Claim.eq(ilBytes, method.GetMethodBody().GetILAsByteArray()) ;
var d = new MethodDisassembly
{
MethodInfo = method,
NativeAddress = clrMethod.NativeCode,
MethodSig = method.MethodSig(),
CilData = ilBytes,
CilBody = MdIx.FindCil(method),
CilMap = MapCilToNative(clrMethod),
AsmBody = asmBody,
NativeBody = asmBody.NativeBlocks
};
return d;
}
catch(Exception e)
{
onError(e.ToString());
return none<MethodDisassembly>();
}
}
public static string FormatCil(this MethodDisassembly src)
{
var format = sbuild();
format.AppendLine(src.MethodSig.Format());
format.AppendLine(AsciSym.LBrace.ToString());
format.AppendLine(src.CilBody.ToString());
format.Append(AsciSym.RBrace.ToString());
return(format.ToString());
}
public static AsmFuncInfo DistillAsm(this MethodDisassembly src)
{
var asm = src.AsmBody;
var inxcount = asm.Instructions.Length;
var code = asm.NativeBlocks.Single().Data;
Span <byte> codespan = code;
var inxs = new AsmInstructionInfo[inxcount];
var inxsfmt = asm.FormatInstructions();
for (var i = 0; i < asm.Instructions.Length; i++)
{
var inx = asm.Instructions[i];
var operands = inx.DistillOperands(asm);
var offset = (ushort)(inx.IP - asm.StartAddress);
var encoded = codespan.Slice(offset, inx.ByteLength).ToArray();
var mnemonic = inx.Mnemonic.ToString().ToUpper();
var opcode = inx.Code.ToString();
var enckind = inx.Encoding == EncodingKind.Legacy ? string.Empty : inx.Encoding.ToString();
inxs[i] = new AsmInstructionInfo(offset, inxsfmt[i], mnemonic, opcode, operands, enckind, encoded);
}
return(new AsmFuncInfo(asm.StartAddress, asm.EndAddress, src.MethodSig, inxs, code));
}