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 X86Instruction Disassemble32(params byte[] bytes)
{
var img = new LoadedImage(Address.Ptr32(0x10000), bytes);
var rdr = img.CreateLeReader(img.BaseAddress);
var dasm = new X86Disassembler(ProcessorMode.Protected32, rdr, PrimitiveType.Word32, PrimitiveType.Word32, false);
return dasm.First();
}
private X86Instruction Disassemble16(params byte[] bytes)
{
MemoryArea img = new MemoryArea(Address.SegPtr(0xC00, 0), bytes);
ImageReader rdr = img.CreateLeReader(img.BaseAddress);
var dasm = new X86Disassembler(ProcessorMode.Real, rdr, PrimitiveType.Word16, PrimitiveType.Word16, false);
if (options != null)
{
dasm.Emulate8087 = options.Emulate8087;
}
return dasm.First();
}
private X86Instruction Disassemble64(params byte[] bytes)
{
var img = new MemoryArea(Address.Ptr64(0x10000), bytes);
var rdr = img.CreateLeReader(img.BaseAddress);
var dasm = new X86Disassembler(
ProcessorMode.Protected64,
rdr,
PrimitiveType.Word32,
PrimitiveType.Word64,
true);
return dasm.First();
}
public void AsConstantStore()
{
Address addr = Address.SegPtr(0x0C00, 0);
var program = asm.AssembleFragment(addr, "mov [0x400],0x1234\n");
var dasm = new X86Disassembler(
ProcessorMode.Real,
program.Image.CreateLeReader(addr),
PrimitiveType.Word16,
PrimitiveType.Word16,
false);
Assert.AreEqual("mov\tword ptr [0400],1234", dasm.First().ToString());
}
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(
ProcessorMode.Protected32,
rdr,
PrimitiveType.Word32,
PrimitiveType.Word32,
false);
X86Instruction instr = dasm.First();
Assert.AreEqual("mov\teax,12345678", instr.ToString());
Assert.AreEqual("ptr32", instr.op2.Width.ToString());
}