/// <summary>
/// Returns true if the specified address + length partially overlaps
/// a relocation.
/// </summary>
/// <returns></returns>
public bool Overlaps(Address addr, uint length)
{
ulong linAddr = addr.ToLinear();
ulong linAddrEnd = linAddr + length;
if (map.TryGetLowerBoundKey(linAddr, out ulong linReloc))
{
// |-reloc----|
// |-addr----|
var linRelocEnd = linReloc + (uint)map[linReloc].DataType.Size;
if (linReloc < linAddr && linAddr < linRelocEnd)
{
return(true);
}
}
if (map.TryGetUpperBoundKey(linAddr, out linReloc))
{
// |-reloc----|
// |-addr----|
var linRelocEnd = linReloc + (uint)map[linReloc].DataType.Size;
if (linReloc < linAddrEnd)
{
if (linAddrEnd < linRelocEnd)
{
return(true);
}
}
}
return(false);
}
public bool IsValidAddress(Address addr)
{
if (addr == null)
{
return(false);
}
return(IsValidLinearAddress(addr.ToLinear()));
}
public void Dump(Address addrBase)
{
var lin = addrBase.ToLinear();
foreach (var de in map)
{
Debug.Print("{0:X8} - {1}", de.Key - lin, de.Value);
}
}
/// <summary>
/// Returns the segment that contains the specified address.
/// </summary>
/// <param name="addr"></param>
/// <returns></returns>
public bool TryFindSegment(Address addr, out ImageSegment segment)
{
if (!segments.TryGetLowerBound(addr, out segment))
{
return(false);
}
if (segment.Address.ToLinear() == addr.ToLinear())
{
return(true);
}
return(segment.IsInRange(addr));
}
public void DumpData(SegmentMap map, Address address, long cbBytes, TextWriter stm)
{
ulong cSkip = address.ToLinear() & 0x0F;
ImageSegment segment;
if (!map.TryFindSegment(address, out segment) || segment.MemoryArea == null)
{
return;
}
ImageReader rdr = arch.CreateImageReader(segment.MemoryArea, address);
while (cbBytes > 0)
{
StringBuilder sb = new StringBuilder(0x12);
try
{
stm.Write("{0} ", rdr.Address);
for (int i = 0; i < 16; ++i)
{
if (cbBytes > 0 && cSkip == 0)
{
byte b = rdr.ReadByte();
stm.Write("{0:X2} ", b);
sb.Append(0x20 <= b && b < 0x7F
? (char)b
: '.');
--cbBytes;
}
else
{
stm.Write(" ");
if (cSkip > 0)
{
sb.Append(' ');
}
--cSkip;
}
}
}
catch
{
stm.WriteLine();
stm.WriteLine("...end of image");
return;
}
stm.WriteLine(sb.ToString());
}
}
public void DumpData(LoadedImage image, Address address, long cbBytes, TextWriter stm)
{
ulong cSkip = address.ToLinear() & 0x0F;
ImageReader rdr = arch.CreateImageReader(image, address);
while (cbBytes > 0)
{
StringBuilder sb = new StringBuilder(0x12);
try
{
stm.Write("{0} ", rdr.Address);
for (int i = 0; i < 16; ++i)
{
if (cbBytes > 0 && cSkip == 0)
{
byte b = rdr.ReadByte();
stm.Write("{0:X2} ", b);
sb.Append(0x20 <= b && b < 0x7F
? (char)b
: '.');
--cbBytes;
}
else
{
stm.Write(" ");
if (cSkip > 0)
{
sb.Append(' ');
}
--cSkip;
}
}
}
catch
{
stm.WriteLine();
stm.WriteLine("...end of image");
return;
}
stm.WriteLine(sb.ToString());
}
}
bool ExpressionVisitor <bool> .VisitAddress(Reko.Core.Address addr)
{
var anyC = p as WildConstant;
if (anyC != null)
{
if (!string.IsNullOrEmpty(anyC.Label))
{
capturedExpressions[anyC.Label] = addr;
}
return(true);
}
var cP = p as Address;
if (cP == null)
{
return(false);
}
return(addr.ToLinear() == cP.ToLinear());
}
public void DumpData(SegmentMap map, Address address, long cbBytes, Formatter stm)
{
const int BytesPerLine = 16;
var linAddr = address.ToLinear();
ulong cSkip = linAddr - BytesPerLine * (linAddr / BytesPerLine);
ImageSegment segment;
if (!map.TryFindSegment(address, out segment) || segment.MemoryArea == null)
{
return;
}
byte[] prevLine = null;
bool showEllipsis = true;
EndianImageReader rdr = arch.CreateImageReader(segment.MemoryArea, address);
while (cbBytes > 0)
{
StringBuilder sb = new StringBuilder(0x12);
var bytes = new List <byte>();
var sbBytes = new StringBuilder();
try
{
sbBytes.AppendFormat("{0} ", rdr.Address);
for (int i = 0; i < BytesPerLine; ++i)
{
if (cbBytes > 0 && cSkip == 0)
{
byte b = rdr.ReadByte();
bytes.Add(b);
sbBytes.AppendFormat("{0:X2} ", b);
sb.Append(0x20 <= b && b < 0x7F
? (char)b
: '.');
--cbBytes;
}
else
{
sbBytes.Append(" ");
if (cSkip > 0)
{
sb.Append(' ');
}
--cSkip;
}
}
var ab = bytes.ToArray();
if (!HaveSameZeroBytes(prevLine, ab))
{
stm.Write(sbBytes.ToString());
stm.WriteLine(sb.ToString());
showEllipsis = true;
}
else
{
if (showEllipsis)
{
stm.WriteLine("; ...");
showEllipsis = false;
}
}
prevLine = ab;
}
catch
{
stm.WriteLine();
stm.WriteLine(";;; ...end of image");
return;
}
}
}
public bool IsInRange(Address addr)
{
return(IsInRange(addr.ToLinear()));
}
public static string GenerateDefaultName(Address address) => string.Format("g_{0:X}", address.ToLinear());
private long ToOffset(Address addr)
{
return((long)addr.ToLinear() - (long)this.BaseAddress.ToLinear());
}
public bool IsValidAddress(Address addr)
{
return(IsValidLinearAddress(addr.ToLinear()));
}
public void DumpData(
IProcessorArchitecture arch,
MemoryArea mem,
Address address,
long cbBytes,
Formatter stm)
{
const int BytesPerLine = 16;
var linAddr = address.ToLinear();
ulong cSkip = linAddr - BytesPerLine * (linAddr / BytesPerLine);
byte[]? prevLine = null;
bool showEllipsis = true;
cbBytes = Math.Min(cbBytes, mem.Length - (address - mem.BaseAddress));
if (cbBytes <= 0)
{
return;
}
var rdr = arch.CreateImageReader(mem, address);
while (cbBytes > 0)
{
StringBuilder sb = new StringBuilder(0x12);
var bytes = new List <byte>();
var sbBytes = new StringBuilder();
try
{
sbBytes.AppendFormat("{0} ", rdr.Address);
for (int i = 0; i < BytesPerLine; ++i)
{
if (cbBytes > 0 && cSkip == 0)
{
byte b = rdr.ReadByte();
bytes.Add(b);
sbBytes.AppendFormat("{0:X2} ", b);
sb.Append(0x20 <= b && b < 0x7F
? (char)b
: '.');
--cbBytes;
}
else
{
sbBytes.Append(" ");
if (cSkip > 0)
{
sb.Append(' ');
}
--cSkip;
}
}
var ab = bytes.ToArray();
if (!HaveSameZeroBytes(prevLine, ab))
{
stm.Write(sbBytes.ToString());
stm.WriteLine(sb.ToString());
showEllipsis = true;
}
else
{
if (showEllipsis)
{
stm.WriteLine("; ...");
showEllipsis = false;
}
}
prevLine = ab;
}
catch
{
stm.WriteLine();
stm.WriteLine(";;; ...end of image");
return;
}
}
}
private ulong ToOffset(Address addr)
{
return(addr.ToLinear() - this.BaseAddress.ToLinear());
}