public void Mcdm_AddDasm()
{
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));
Given_Program();
Given_CodeBlock(memText.BaseAddress, 2);
mr.ReplayAll();
var mcdm = new MixedCodeDataModel(program);
var lines = mcdm.GetLineSpans(2);
Assert.AreEqual(2, lines.Length);
}
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_GetLineSpans_AllLines()
{
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);
Given_CodeBlock(Address.Ptr32(0x42004), 4);
mr.ReplayAll();
var mcdm = new MixedCodeDataModel(program);
// Read all lines
var lines = mcdm.GetLineSpans(5);
Assert.AreEqual(5, lines.Length);
Assert.AreEqual("00041000", lines[0].Position.ToString());
Assert.AreEqual("00041002", lines[1].Position.ToString());
Assert.AreEqual("00042000", lines[2].Position.ToString());
Assert.AreEqual("00042004", lines[3].Position.ToString());
Assert.AreEqual("00042006", lines[4].Position.ToString());
Assert.AreEqual("00042008", 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());
}
public void Mcdm_GetLineSpans_MemoryAreaIsLargerThanSegment()
{
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 first instruction
var lines = mcdm.GetLineSpans(1);
Assert.AreEqual(1, lines.Length);
Assert.AreEqual("00041000", lines[0].Position.ToString());
Assert.AreEqual("00041002", mcdm.CurrentPosition.ToString());
// Read the second and last instruction.
lines = mcdm.GetLineSpans(1);
Assert.AreEqual(1, lines.Length);
Assert.AreEqual("00041002", lines[0].Position.ToString());
Assert.AreEqual("00042000", mcdm.CurrentPosition.ToString());
// Read the 8 remaining bytes from .data
lines = mcdm.GetLineSpans(1);
Assert.AreEqual(1, lines.Length);
Assert.AreEqual("00042000", lines[0].Position.ToString());
Assert.AreEqual("00042008", mcdm.CurrentPosition.ToString());
}
