| public MoveToLine ( object position, int offset ) : int | ||
| position | object | |
| offset | int | |
| return | int | |
private void RefreshModel()
{
var currentAddress = Model.CurrentPosition;
var model = new MixedCodeDataModel(program);
model.MoveToLine(currentAddress, 0);
this.addrTop = model.CurrentPosition as Address;
this.Model = model;
}
public void Mcdm_MoveToLine_FromInvalidPosition()
{
var addrBase = Address.Ptr32(0x40000);
var memText = new MemoryArea(Address.Ptr32(0x41000), new byte[100]);
var memData = new MemoryArea(Address.Ptr32(0x42000), new byte[8]);
this.segmentMap = new SegmentMap(
addrBase,
new ImageSegment(".text", memText, AccessMode.ReadExecute) { Size = 4 },
new ImageSegment(".data", memData, AccessMode.ReadWriteExecute));
Given_Program();
Given_CodeBlock(memText.BaseAddress, 4);
mr.ReplayAll();
var mcdm = new MixedCodeDataModel(program);
// Read the two instructions, placing curpos in the 'gap'
// of invalid addresses between the .text and .data segments
// GetLineSpans should Sanitize the addres and move it to
// the beginning of .data
var lines = mcdm.GetLineSpans(2);
Assert.AreEqual(2, lines.Length);
Assert.AreEqual("00042000", mcdm.CurrentPosition.ToString());
// Advance a line.
int cLines = mcdm.MoveToLine(mcdm.CurrentPosition, 1);
Assert.AreEqual(1, cLines);
Assert.AreEqual("00042008", mcdm.CurrentPosition.ToString());
}
public void Mcdm_GetPositionAsFraction()
{
var addrBase = Address.Ptr32(0x40000);
var memText = new MemoryArea(Address.Ptr32(0x41000), new byte[4]);
var memData = new MemoryArea(Address.Ptr32(0x42000), new byte[32]);
this.segmentMap = new SegmentMap(
addrBase,
new ImageSegment(".text", memText, AccessMode.ReadExecute),
new ImageSegment(".data", memData, AccessMode.ReadWriteExecute));
Given_Program();
Given_CodeBlock(memText.BaseAddress, 4);
mr.ReplayAll();
var mcdm = new MixedCodeDataModel(program);
var num_lines = 4;
for(int i = 0; i <= num_lines; i++)
{
mcdm.MoveToLine(mcdm.StartPosition, i);
var frac = mcdm.GetPositionAsFraction();
var format = @"
Expected: {0}/{1}
But was: {2}/{3}
";
var msg = string.Format(format, i, num_lines, frac.Item1, frac.Item2);
Assert.IsTrue((i * frac.Item2 == num_lines * frac.Item1), msg);
}
}
public void Mcdm_MoveToLastLineOfItem()
{
var addrBase = Address.Ptr32(0x40000);
var memText = new MemoryArea(Address.Ptr32(0x40FD5), new byte[64]);
var memData = new MemoryArea(Address.Ptr32(0x42000), new byte[32]);
this.segmentMap = new SegmentMap(
addrBase,
new ImageSegment(".text", memText, AccessMode.ReadExecute),
new ImageSegment(".data", memData, AccessMode.ReadWriteExecute));
var program = new Program(segmentMap, arch, platform);
Given_CodeBlock(Address.Ptr32(0x40FF9), 4);
mr.ReplayAll();
var mcdm = new MixedCodeDataModel(program);
mcdm.MoveToLine(mcdm.CurrentPosition, 2);
var curPos = (Address)mcdm.CurrentPosition;
/*
***************start position**************************
0x40FD5 FF FF FF FF FF FF FF FF FF FF FF
0x40FE0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
*********curent position after moving******************
0x40FF0 FF FF FF FF FF FF FF FF FF
0x40FF9 add r2,r2
0x40FFA add r2,r2
*/
Assert.AreEqual("00040FF0", curPos.ToString());
}
public void Mcdm_MoveForward()
{
var addrBase = Address.Ptr32(0x40000);
// 041000: inst0
// 041002: inst1
// 042000: data <16 bytes>
// 042010: data <16 bytes>
var memText = new MemoryArea(Address.Ptr32(0x41000), new byte[4]);
var memData = new MemoryArea(Address.Ptr32(0x42000), new byte[32]);
this.segmentMap = new SegmentMap(
addrBase,
new ImageSegment(".text", memText, AccessMode.ReadExecute),
new ImageSegment(".data", memData, AccessMode.ReadWriteExecute));
Given_Program();
Given_CodeBlock(memText.BaseAddress, 4);
mr.ReplayAll();
var mcdm = new MixedCodeDataModel(program);
// Advance 1 line into another piece of code.
int delta = mcdm.MoveToLine(mcdm.CurrentPosition, 1);
Assert.AreEqual(1, delta);
// move another line of code and then into data.
delta = mcdm.MoveToLine(mcdm.CurrentPosition, 2);
Assert.AreEqual(2, delta);
Assert.AreEqual("00042010", mcdm.CurrentPosition.ToString());
// Another line of data
delta = mcdm.MoveToLine(mcdm.CurrentPosition, 1);
Assert.AreEqual("00042020", mcdm.CurrentPosition.ToString());
Assert.AreEqual(1, delta);
// Pegged at end
delta = mcdm.MoveToLine(mcdm.CurrentPosition, 1);
Assert.AreEqual("00042020", mcdm.CurrentPosition.ToString());
Assert.AreEqual(0, delta);
mcdm.MoveToLine(mcdm.StartPosition, 2);
Assert.AreEqual("00042000", mcdm.CurrentPosition.ToString());
}
public void Mcdm_GetLineSpans_InvalidAddress()
{
var addrBase = Address.Ptr32(0x40000);
var memText = new MemoryArea(Address.Ptr32(0x41000), new byte[8]);
var memData = new MemoryArea(Address.Ptr32(0x42000), new byte[8]);
this.segmentMap = new SegmentMap(
addrBase,
new ImageSegment(".text", memText, AccessMode.ReadExecute),
new ImageSegment(".data", memData, AccessMode.ReadWriteExecute));
var program = new Program(segmentMap, arch, platform);
mr.ReplayAll();
var mcdm = new MixedCodeDataModel(program);
// This places the curpos right after the last item in the .text
// segment.
mcdm.MoveToLine(Address.Ptr32(0x41008), 0);
// This should return the first line of the .data segment.
var lines = mcdm.GetLineSpans(1);
Assert.AreEqual(1, lines.Length);
Assert.AreEqual("00042000", lines[0].Position.ToString());
Assert.AreEqual("00042008", mcdm.CurrentPosition.ToString());
}
private void RefreshModel()
{
var currentAddress = Model.CurrentPosition;
var model = new MixedCodeDataModel(program);
model.MoveToLine(currentAddress, 0);
this.addrTop = model.CurrentPosition as Address;
this.Model = model;
}