public static unsafe DecomposedResult Decompose(CodeInfo nci, int maxInstructions)
{
CodeInfoStruct *ci = null;
DecomposedInstructionStruct *insts = null;
var gch = new GCHandle();
var usedInstructionsCount = 0;
try {
if ((ci = AcquireCodeInfoStruct(nci, out gch)) == null)
{
throw new OutOfMemoryException();
}
var dr = new DecomposedResult(maxInstructions);
distorm_decompose64(ci, dr.InstructionsPointer, maxInstructions, &usedInstructionsCount);
dr.UsedInstructions = usedInstructionsCount;
return(dr);
}
finally
{
if (gch.IsAllocated)
{
gch.Free();
}
if (ci != null)
{
Free(ci);
}
}
}
public static unsafe DecodedResult Decode(CodeInfo nci, int maxInstructions)
{
var gch = new GCHandle();
uint usedInstructionsCount = 0;
CodeInfoStruct *ci = null;
try {
ci = AcquireCodeInfoStruct(nci, out gch);
var dr = new DecodedResult(maxInstructions);
distorm_decode64(ci->codeOffset, ci->code, ci->codeLen, ci->dt, dr.InstructionsPointer, (uint)maxInstructions, &usedInstructionsCount);
dr.UsedInstructionCount = (int)usedInstructionsCount;
return(dr);
}
finally {
if (gch.IsAllocated)
{
gch.Free();
}
if (ci != null)
{
Free(ci);
}
}
}
public static unsafe DecodedInstruction Format(CodeInfo nci, DecomposedInstruction ndi)
{
var input = new DecomposedInstructionStruct();
CodeInfoStruct * ci = null;
var gch = new GCHandle();
DecodedInstruction di;
try
{
ci = AcquireCodeInfoStruct(nci, out gch);
if (ci == null)
{
throw new OutOfMemoryException();
}
input.Address = ndi.Address;
input.Flags = ndi.Flags;
input.Size = (byte)ndi.Size;
input.segment = (byte)ndi._segment;
input.ibase = (byte)ndi.Base;
input.scale = (byte)ndi.Scale;
input.Opcode = ndi.Opcode;
/* unusedPrefixesMask is unused indeed, lol. */
input.meta = (byte)ndi.Meta;
/* Nor usedRegistersMask. */
int opsCount = ndi.Operands.Length;
for (var i = 0; i < opsCount; i++)
{
var op = ndi.Operands[i];
if (op == null)
{
continue;
}
input.Operands[i].index = (byte)op.Index;
input.Operands[i].Type = op.Type;
input.Operands[i].Size = (ushort)op.Size;
}
if (ndi.ImmediateValue != null)
{
input.ImmediateValue = ndi.ImmediateValue.ImmediateValue;
}
if (ndi.Displacement != null)
{
input.Displacement = ndi.Displacement.Displacement;
input.dispSize = (byte)ndi.Displacement.Size;
}
DecodedInstructionStruct output;
distorm_format64(ci, &input, &output);
di = DecodedInstruction.FromUnsafe(&output);
}
finally
{
if (gch.IsAllocated)
{
gch.Free();
}
if (ci != null)
{
Free(ci);
}
}
return(di);
}
