private IntelInstruction Disassemble64(params byte[] bytes)
{
var img = new LoadedImage(Address.Ptr64(0x10000), bytes);
var rdr = img.CreateLeReader(img.BaseAddress);
var dasm = new X86Disassembler(rdr, PrimitiveType.Word32, PrimitiveType.Word64, true);
return dasm.First();
}
private IntelInstruction Disassemble16(params byte[] bytes)
{
LoadedImage img = new LoadedImage(Address.SegPtr(0xC00, 0), bytes);
ImageReader rdr = img.CreateLeReader(img.BaseAddress);
var dasm = new X86Disassembler(rdr, PrimitiveType.Word16, PrimitiveType.Word16, false);
return dasm.First();
}
private void RunTest(AssemblerFragment fragment, string sExp)
{
Address addrBase= Address.SegPtr(0xC00, 0);
X86Assembler asm = new X86Assembler(new IntelArchitecture(ProcessorMode.Real), addrBase, new List<EntryPoint>());
fragment.Build(asm);
Program lr = asm.GetImage();
X86Disassembler dasm = new X86Disassembler(
lr.Image.CreateLeReader(lr.Image.BaseAddress),
PrimitiveType.Word16,
PrimitiveType.Word16,
false);
StringBuilder sb = new StringBuilder();
try
{
foreach (var instr in dasm)
{
sb.AppendFormat("{0}\t{1}", instr.Address, instr);
sb.AppendLine();
}
Assert.AreEqual(sExp, sb.ToString());
}
catch
{
Console.WriteLine(sb.ToString());
throw;
}
}
private void CreateDisassembler32(LoadedImage image)
{
dasm = new X86Disassembler(
image.CreateLeReader(image.BaseAddress),
PrimitiveType.Word32,
PrimitiveType.Word32,
false);
}
private FstswChainMatcher GetMatcher()
{
Program lr = asm.GetImage();
X86Disassembler dasm = new X86Disassembler(
lr.Image.CreateLeReader(0),
PrimitiveType.Word32,
PrimitiveType.Word32,
false);
instrs = new List<IntelInstruction>();
return new FstswChainMatcher(dasm.ToArray(), orw);
}
private void CreateDisassembler16(ImageReader rdr)
{
dasm = new X86Disassembler(
rdr,
PrimitiveType.Word16,
PrimitiveType.Word16,
false);
}
public void X86Dis_RelocatedOperand()
{
byte[] image = new byte[] { 0xB8, 0x78, 0x56, 0x34, 0x12 }; // mov eax,0x12345678
LoadedImage img = new LoadedImage(Address.Ptr32(0x00100000), image);
img.Relocations.AddPointerReference(0x00100001ul - img.BaseAddress.ToLinear(), 0x12345678);
ImageReader rdr = img.CreateLeReader(img.BaseAddress);
X86Disassembler dasm = new X86Disassembler(rdr, PrimitiveType.Word32, PrimitiveType.Word32, false);
IntelInstruction instr = dasm.First();
Assert.AreEqual("mov\teax,12345678", instr.ToString());
Assert.AreEqual("ptr32", instr.op2.Width.ToString());
}
public virtual MachineInstruction DisassembleEx(Address addr)
{
var rdr = loader.Architecture.CreateImageReader(loader.Image, addr);
var dasm = new X86Disassembler(rdr, PrimitiveType.Word32, PrimitiveType.Word32, false);
return dasm.DisassembleInstruction();
}
public void AsConstantStore()
{
Address addr = Address.SegPtr(0x0C00, 0);
var program = asm.AssembleFragment(addr, "mov [0x400],0x1234\n");
var dasm = new X86Disassembler(
program.Image.CreateLeReader(addr),
PrimitiveType.Word16,
PrimitiveType.Word16,
false);
Assert.AreEqual("mov\tword ptr [0400],1234", dasm.First().ToString());
}