public string Copy(IEnumerable <SpanData <ReferenceInfo> > refs, Lazy <IMethodAnnotations> methodAnnotations)
{
var sb = new StringBuilder();
IInstructionBytesReader reader = null;
try {
MethodDef method = null;
int index = 0;
foreach (var r in refs)
{
var ir = (InstructionReference)r.Data.Reference;
var instr = ir.Instruction;
if (ir.Method != method)
{
if (reader != null)
{
reader.Dispose();
}
method = ir.Method;
reader = InstructionBytesReader.Create(method, methodAnnotations.Value.IsBodyModified(method));
index = method.Body.Instructions.IndexOf(instr);
if (index < 0)
{
throw new InvalidOperationException();
}
reader.SetInstruction(index, instr.Offset);
}
else if (index >= method.Body.Instructions.Count)
{
throw new InvalidOperationException();
}
else if (method.Body.Instructions[index + 1] != ir.Instruction)
{
index = method.Body.Instructions.IndexOf(instr);
if (index < 0)
{
throw new InvalidOperationException();
}
reader.SetInstruction(index, instr.Offset);
}
else
{
index++;
}
int size = instr.GetSize();
for (int i = 0; i < size; i++)
{
int b = reader.ReadByte();
if (b < 0)
{
sb.Append("??");
FoundUnknownBytes = true;
}
else
{
sb.Append(string.Format("{0:X2}", b));
}
}
}
}
finally {
if (reader != null)
{
reader.Dispose();
}
}
return(sb.ToString());
}
public static void WriteTo(this Instruction instruction, ITextOutput writer, DisassemblerOptions options, uint baseRva, long baseOffs, IInstructionBytesReader byteReader, MethodDef method)
{
if (options != null && (options.ShowTokenAndRvaComments || options.ShowILBytes)) {
writer.Write("/* ", TextTokenType.Comment);
bool needSpace = false;
if (options.ShowTokenAndRvaComments) {
ulong fileOffset = (ulong)baseOffs + instruction.Offset;
writer.WriteReference(string.Format("0x{0:X8}", fileOffset), new AddressReference(options.OwnerModule == null ? null : options.OwnerModule.Location, false, fileOffset, (ulong)instruction.GetSize()), TextTokenType.Comment, false);
needSpace = true;
}
if (options.ShowILBytes) {
if (needSpace)
writer.Write(' ', TextTokenType.Comment);
if (byteReader == null)
writer.Write("??", TextTokenType.Comment);
else {
int size = instruction.GetSize();
for (int i = 0; i < size; i++) {
var b = byteReader.ReadByte();
if (b < 0)
writer.Write("??", TextTokenType.Comment);
else
writer.Write(string.Format("{0:X2}", b), TextTokenType.Comment);
}
// Most instructions should be at most 5 bytes in length, but use 6 since
// ldftn/ldvirtftn are 6 bytes long. The longest instructions are those with
// 8 byte operands, ldc.i8 and ldc.r8: 9 bytes.
const int MIN_BYTES = 6;
for (int i = size; i < MIN_BYTES; i++)
writer.Write(" ", TextTokenType.Comment);
}
}
writer.Write(" */", TextTokenType.Comment);
writer.WriteSpace();
}
writer.WriteDefinition(DnlibExtensions.OffsetToString(instruction.GetOffset()), new InstructionReference(method, instruction), TextTokenType.Label, false);
writer.Write(':', TextTokenType.Operator);
writer.WriteSpace();
writer.WriteReference(instruction.OpCode.Name, instruction.OpCode, TextTokenType.OpCode);
if (instruction.Operand != null) {
int count = OPERAND_ALIGNMENT - instruction.OpCode.Name.Length;
if (count <= 0)
count = 1;
writer.Write(spaces[count], TextTokenType.Text);
if (instruction.OpCode == OpCodes.Ldtoken) {
var member = instruction.Operand as IMemberRef;
if (member != null && member.IsMethod) {
writer.Write("method", TextTokenType.Keyword);
writer.WriteSpace();
}
else if (member != null && member.IsField) {
writer.Write("field", TextTokenType.Keyword);
writer.WriteSpace();
}
}
WriteOperand(writer, instruction.Operand, method);
}
if (options != null && options.GetOpCodeDocumentation != null) {
var doc = options.GetOpCodeDocumentation(instruction.OpCode);
if (doc != null) {
writer.Write("\t", TextTokenType.Text);
writer.Write("// " + doc, TextTokenType.Comment);
}
}
}
public static void WriteTo(this Instruction instruction, ITextOutput writer, DisassemblerOptions options, uint baseRva, long baseOffs, IInstructionBytesReader byteReader, MethodDef method)
{
if (options != null && (options.ShowTokenAndRvaComments || options.ShowILBytes))
{
writer.Write("/* ", TextTokenType.Comment);
bool needSpace = false;
if (options.ShowTokenAndRvaComments)
{
ulong fileOffset = (ulong)baseOffs + instruction.Offset;
writer.WriteReference(string.Format("0x{0:X8}", fileOffset), new AddressReference(options.OwnerModule == null ? null : options.OwnerModule.Location, false, fileOffset, (ulong)instruction.GetSize()), TextTokenType.Comment, false);
needSpace = true;
}
if (options.ShowILBytes)
{
if (needSpace)
{
writer.Write(' ', TextTokenType.Comment);
}
if (byteReader == null)
{
writer.Write("??", TextTokenType.Comment);
}
else
{
int size = instruction.GetSize();
for (int i = 0; i < size; i++)
{
var b = byteReader.ReadByte();
if (b < 0)
{
writer.Write("??", TextTokenType.Comment);
}
else
{
writer.Write(string.Format("{0:X2}", b), TextTokenType.Comment);
}
}
// Most instructions should be at most 5 bytes in length, but use 6 since
// ldftn/ldvirtftn are 6 bytes long. The longest instructions are those with
// 8 byte operands, ldc.i8 and ldc.r8: 9 bytes.
const int MIN_BYTES = 6;
for (int i = size; i < MIN_BYTES; i++)
{
writer.Write(" ", TextTokenType.Comment);
}
}
}
writer.Write(" */", TextTokenType.Comment);
writer.WriteSpace();
}
writer.WriteDefinition(DnlibExtensions.OffsetToString(instruction.GetOffset()), new InstructionReference(method, instruction), TextTokenType.Label, false);
writer.Write(':', TextTokenType.Operator);
writer.WriteSpace();
writer.WriteReference(instruction.OpCode.Name, instruction.OpCode, TextTokenType.OpCode);
if (instruction.Operand != null)
{
int count = OPERAND_ALIGNMENT - instruction.OpCode.Name.Length;
if (count <= 0)
{
count = 1;
}
writer.Write(spaces[count], TextTokenType.Text);
if (instruction.OpCode == OpCodes.Ldtoken)
{
var member = instruction.Operand as IMemberRef;
if (member != null && member.IsMethod)
{
writer.Write("method", TextTokenType.Keyword);
writer.WriteSpace();
}
else if (member != null && member.IsField)
{
writer.Write("field", TextTokenType.Keyword);
writer.WriteSpace();
}
}
WriteOperand(writer, instruction.Operand, method);
}
if (options != null && options.GetOpCodeDocumentation != null)
{
var doc = options.GetOpCodeDocumentation(instruction.OpCode);
if (doc != null)
{
writer.Write("\t", TextTokenType.Text);
writer.Write("// " + doc, TextTokenType.Comment);
}
}
}
void WriteStructureBody(CilBody body, ILStructure s, HashSet <uint> branchTargets, ref int index, MemberMapping debugSymbols, int codeSize, uint baseRva, long baseOffs, IInstructionBytesReader byteReader, MethodDef method)
{
bool isFirstInstructionInStructure = true;
bool prevInstructionWasBranch = false;
int childIndex = 0;
var instructions = body.Instructions;
while (index < instructions.Count)
{
Instruction inst = instructions[index];
if (inst.Offset >= s.EndOffset)
{
break;
}
uint offset = inst.Offset;
if (childIndex < s.Children.Count && s.Children[childIndex].StartOffset <= offset && offset < s.Children[childIndex].EndOffset)
{
ILStructure child = s.Children[childIndex++];
WriteStructureHeader(child);
WriteStructureBody(body, child, branchTargets, ref index, debugSymbols, codeSize, baseRva, baseOffs, byteReader, method);
WriteStructureFooter(child);
}
else
{
if (!isFirstInstructionInStructure && (prevInstructionWasBranch || branchTargets.Contains(offset)))
{
output.WriteLine(); // put an empty line after branches, and in front of branch targets
}
var startLocation = output.Location;
inst.WriteTo(output, options, baseRva, baseOffs, byteReader, method);
// add IL code mappings - used in debugger
if (debugSymbols != null)
{
var next = index + 1 < instructions.Count ? instructions[index + 1] : null;
debugSymbols.MemberCodeMappings.Add(
new SourceCodeMapping()
{
StartLocation = startLocation,
EndLocation = output.Location,
ILInstructionOffset = new ILRange(inst.Offset, next == null ? (uint)codeSize : next.Offset),
MemberMapping = debugSymbols
});
}
output.WriteLine();
prevInstructionWasBranch = inst.OpCode.FlowControl == FlowControl.Branch ||
inst.OpCode.FlowControl == FlowControl.Cond_Branch ||
inst.OpCode.FlowControl == FlowControl.Return ||
inst.OpCode.FlowControl == FlowControl.Throw;
index++;
}
isFirstInstructionInStructure = false;
}
}
void WriteStructureBody(CilBody body, ILStructure s, HashSet<uint> branchTargets, ref int index, MemberMapping debugSymbols, int codeSize, uint baseRva, long baseOffs, IInstructionBytesReader byteReader, MethodDef method)
{
bool isFirstInstructionInStructure = true;
bool prevInstructionWasBranch = false;
int childIndex = 0;
var instructions = body.Instructions;
while (index < instructions.Count) {
Instruction inst = instructions[index];
if (inst.Offset >= s.EndOffset)
break;
uint offset = inst.Offset;
if (childIndex < s.Children.Count && s.Children[childIndex].StartOffset <= offset && offset < s.Children[childIndex].EndOffset) {
ILStructure child = s.Children[childIndex++];
WriteStructureHeader(child);
WriteStructureBody(body, child, branchTargets, ref index, debugSymbols, codeSize, baseRva, baseOffs, byteReader, method);
WriteStructureFooter(child);
} else {
if (!isFirstInstructionInStructure && (prevInstructionWasBranch || branchTargets.Contains(offset))) {
output.WriteLine(); // put an empty line after branches, and in front of branch targets
}
var startLocation = output.Location;
inst.WriteTo(output, options, baseRva, baseOffs, byteReader, method);
// add IL code mappings - used in debugger
if (debugSymbols != null) {
var next = index + 1 < instructions.Count ? instructions[index + 1] : null;
debugSymbols.MemberCodeMappings.Add(
new SourceCodeMapping() {
StartLocation = startLocation,
EndLocation = output.Location,
ILInstructionOffset = new ILRange(inst.Offset, next == null ? (uint)codeSize : next.Offset),
MemberMapping = debugSymbols
});
}
output.WriteLine();
prevInstructionWasBranch = inst.OpCode.FlowControl == FlowControl.Branch
|| inst.OpCode.FlowControl == FlowControl.Cond_Branch
|| inst.OpCode.FlowControl == FlowControl.Return
|| inst.OpCode.FlowControl == FlowControl.Throw;
index++;
}
isFirstInstructionInStructure = false;
}
}
