private DisassemblyData FetchBadInstruction(enum_DISASSEMBLY_STREAM_FIELDS dwFields)
{
DisassemblyData dis = new DisassemblyData();
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
{
dis.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
dis.bstrAddress = EngineUtils.AsAddr(_addr, _engine.DebuggedProcess.Is64BitArch);
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
{
dis.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
dis.uCodeLocationId = _addr;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL) != 0)
{
dis.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
dis.bstrSymbol = string.Empty;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0)
{
dis.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
dis.bstrOpcode = "??";
}
return(dis);
}
public int Read(uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData[] prgDisassembly)
{
uint iOp = 0;
DebuggedProcess process = DebuggedProcess.g_Process;
IEnumerable <DisasmInstruction> instructions = null;
process.WorkerThread.RunOperation(async() =>
{
instructions = await process.Disassembly.FetchInstructions(_addr, (int)dwInstructions);
});
if (instructions != null)
{
foreach (DisasmInstruction instruction in instructions)
{
if (iOp >= dwInstructions)
{
break;
}
_addr = instruction.Addr;
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
prgDisassembly[iOp].bstrAddress = instruction.AddressString;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
prgDisassembly[iOp].uCodeLocationId = instruction.Addr;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL) != 0)
{
if (instruction.Offset == 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
prgDisassembly[iOp].bstrSymbol = instruction.Symbol ?? string.Empty;
}
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
prgDisassembly[iOp].bstrOpcode = instruction.Opcode;
}
iOp++;
}
;
}
pdwInstructionsRead = iOp;
return(pdwInstructionsRead != 0 ? Constants.S_OK : Constants.S_FALSE);
}
public int Read(uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData[] prgDisassembly)
{
uint iOp = 0;
//IEnumerable<DisasmInstruction> instructions = null;
//_engine.DebuggedProcess.WorkerThread.RunOperation(async () =>
//{
// instructions = await _engine.DebuggedProcess.Disassembly.FetchInstructions(_addr, (int)dwInstructions);
//});
//if (instructions != null)
//{
// foreach (DisasmInstruction instruction in instructions)
// {
// if (iOp >= dwInstructions)
// {
// break;
// }
// _addr = instruction.Addr;
// if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
// {
// prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
// prgDisassembly[iOp].bstrAddress = instruction.AddressString;
// }
// if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
// {
// prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
// prgDisassembly[iOp].uCodeLocationId = instruction.Addr;
// }
// if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL) != 0)
// {
// if (instruction.Offset == 0)
// {
// prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
// prgDisassembly[iOp].bstrSymbol = instruction.Symbol ?? string.Empty;
// }
// }
// if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0)
// {
// prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
// prgDisassembly[iOp].bstrOpcode = instruction.Opcode;
// }
// iOp++;
// };
//}
pdwInstructionsRead = iOp;
return(pdwInstructionsRead != 0 ? VSConstants.S_OK : VSConstants.S_FALSE);
}
public int Read(uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData[] prgDisassembly)
{
uint iOp = 0;
IEnumerable<DisasmInstruction> instructions = null;
_engine.DebuggedProcess.WorkerThread.RunOperation(async () =>
{
instructions = await _engine.DebuggedProcess.Disassembly.FetchInstructions(_addr, (int)dwInstructions);
});
if (instructions != null)
{
foreach (DisasmInstruction instruction in instructions)
{
if (iOp >= dwInstructions)
{
break;
}
_addr = instruction.Addr;
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
prgDisassembly[iOp].bstrAddress = instruction.AddressString;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
prgDisassembly[iOp].uCodeLocationId = instruction.Addr;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL) != 0)
{
if (instruction.Offset == 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
prgDisassembly[iOp].bstrSymbol = instruction.Symbol ?? string.Empty;
}
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
prgDisassembly[iOp].bstrOpcode = instruction.Opcode;
}
iOp++;
};
}
pdwInstructionsRead = iOp;
return pdwInstructionsRead != 0 ? Constants.S_OK : Constants.S_FALSE;
}
public int Read(uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData[] prgDisassembly)
{
pdwInstructionsRead = 0;
if (_method == null)
return HResults.E_DISASM_NOTAVAILABLE;
var method = _method.Method;
var insCount = method.Body.Instructions.Count;
bool wantsDocumentUrl = (dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL) != 0;
bool wantsPosition = (dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION) != 0;
bool wantsByteOffset = (dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET) != 0;
bool wantsFlags = (dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS) != 0;
for (pdwInstructionsRead = 0; pdwInstructionsRead < dwInstructions; ++pdwInstructionsRead, ++_instructionPointer)
{
int ip = _instructionPointer;
if (ip >= insCount)
break;
var insd = new DisassemblyData();
var ins = method.Body.Instructions[ip];
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
{
insd.bstrAddress = _method.FormatAddress(ins);
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
{
insd.uCodeLocationId = (ulong)ins.Offset;
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0)
{
insd.bstrOpcode = _method.FormatOpCode(ins);
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS) != 0)
{
insd.bstrOperands = _method.FormatOperands(ins);
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS;
}
if (wantsDocumentUrl || wantsPosition || wantsByteOffset || wantsFlags)
{
var source = _method.FindSourceCode(ins.Offset);
var hasSource = source != null && !source.IsSpecial;
bool isSameDocAsPrevious, isSameDocPos;
if (hasSource)
{
isSameDocAsPrevious = _prevSource != null
&& !_prevSource.IsSpecial
&& _prevSource.Document.Path == source.Document.Path;
isSameDocPos = _prevSource != null && !_prevSource.IsSpecial
&& isSameDocAsPrevious
&& source.Position.CompareTo(_prevSource.Position) == 0;
}
else
{
isSameDocAsPrevious = (source == null && _prevSource == null) || (source != null && _prevSource != null && _prevSource.IsSpecial);
isSameDocPos = isSameDocAsPrevious;
}
if (wantsDocumentUrl && (!isSameDocAsPrevious || _justSeeked))
{
if (hasSource)
{
insd.bstrDocumentUrl = "file://" + source.Document.Path;
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL;
}
// how do I clear the document?
}
int byteOffset = 0;
if ((wantsByteOffset || wantsPosition) && hasSource)
{
if (isSameDocPos)
byteOffset = ins.Offset - _prevSourceInstructionOffset;
else
{
byteOffset = 0;
_prevSourceInstructionOffset = ins.Offset;
}
}
if (wantsPosition && hasSource && !isSameDocPos)
{
var pos = source.Position;
insd.posBeg.dwLine = (uint)(pos.Start.Line - 1);
insd.posBeg.dwColumn = (uint)(pos.Start.Column - 1);
insd.posEnd.dwLine = (uint)(pos.End.Line - 1);
insd.posEnd.dwColumn = (uint)(pos.End.Column - 1);
if (insd.posEnd.dwLine - insd.posBeg.dwLine > 3) // never show more than 3 lines.
insd.posEnd.dwLine = insd.posBeg.dwLine + 3;
// Is this just me? I have no idea why my VS throws an exception when using this.
//insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION;
}
if (wantsByteOffset && hasSource)
{
insd.dwByteOffset = (uint)byteOffset;
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET;
}
if (wantsFlags)
{
if(!isSameDocAsPrevious)
insd.dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DOCUMENTCHANGE;
if(hasSource)
insd.dwFlags |= enum_DISASSEMBLY_FLAGS.DF_HASSOURCE;
//if (_loc.Location.Index == (ulong)ins.Offset)
// insd.dwFlags |= enum_DISASSEMBLY_FLAGS.DF_INSTRUCTION_ACTIVE;
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS) != 0)
{
if (!hasSource && !isSameDocPos)
{
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS;
insd.bstrSymbol = "(generated instructions)";
}
else if (hasSource && !isSameDocPos)
{
// workaround to show something at least
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS) != 0)
{
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS;
insd.bstrSymbol = "File Position: " + source.Position.Start + " - " + source.Position.End;
}
}
}
_justSeeked = false;
_prevSource = source;
}
prgDisassembly[pdwInstructionsRead] = insd;
}
return pdwInstructionsRead == 0 || _instructionPointer >= insCount ? VSConstants.S_FALSE : VSConstants.S_OK;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public int Read(uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData [] prgDisassembly)
{
//
// Reads instructions starting from the current position in the disassembly stream.
//
LoggingUtils.PrintFunction();
try
{
ulong startAddress = m_codeContext.Address.MemoryAddress;
ulong endAddress = startAddress + ((ulong)(dwInstructions) * 4); // TODO: 4 for a 32-bit instruction set?
string disassemblyCommand = string.Format("-data-disassemble -s 0x{0:X8} -e 0x{1:X8} -- 1", startAddress, endAddress);
MiResultRecord resultRecord = m_debugger.GdbClient.SendSyncCommand(disassemblyCommand);
MiResultRecord.RequireOk(resultRecord, disassemblyCommand);
if (!resultRecord.HasField("asm_insns"))
{
throw new InvalidOperationException("-data-disassemble result missing 'asm_insns' field");
}
MiResultValueList assemblyRecords = (MiResultValueList)resultRecord ["asm_insns"] [0];
long maxInstructions = Math.Min(assemblyRecords.Values.Count, dwInstructions);
if (maxInstructions == 0)
{
throw new InvalidOperationException();
}
int currentInstruction = 0;
for (int i = 0; i < assemblyRecords.Values.Count; ++i)
{
MiResultValue recordValue = assemblyRecords [i];
if (recordValue.Variable.Equals("src_and_asm_line"))
{
//
// Parse mixed-mode disassembly reports.
//
uint line = recordValue ["line"] [0].GetUnsignedInt();
string file = recordValue ["file"] [0].GetString();
MiResultValueList lineAsmInstructionValues = (MiResultValueList)recordValue ["line_asm_insn"] [0];
foreach (MiResultValue instructionValue in lineAsmInstructionValues.Values)
{
string address = instructionValue ["address"] [0].GetString();
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
{
prgDisassembly [currentInstruction].bstrAddress = address;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESSOFFSET) != 0)
{
string offset = instructionValue ["offset"] [0].GetString();
prgDisassembly [currentInstruction].bstrAddressOffset = offset;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESSOFFSET;
}
if (((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0) || ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS) != 0) || ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS) != 0))
{
string inst = instructionValue ["inst"] [0].GetString();
string [] operations = inst.Split(new string [] { "\\t" }, StringSplitOptions.None);
if (operations.Length > 0)
{
prgDisassembly [currentInstruction].bstrOpcode = operations [0];
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
}
if (operations.Length > 1)
{
prgDisassembly [currentInstruction].bstrOperands = operations [1];
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS;
}
if (operations.Length > 2)
{
prgDisassembly [currentInstruction].bstrOperands += " " + operations [2];
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS;
}
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL) != 0)
{
string functionName = instructionValue ["func-name"] [0].GetString();
prgDisassembly [currentInstruction].bstrSymbol = functionName;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
{
DebuggeeAddress instructionAddress = new DebuggeeAddress(address);
prgDisassembly [currentInstruction].uCodeLocationId = instructionAddress.MemoryAddress;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION) != 0)
{
prgDisassembly [currentInstruction].posBeg.dwLine = line;
prgDisassembly [currentInstruction].posBeg.dwColumn = 0;
prgDisassembly [currentInstruction].posEnd.dwLine = line;
prgDisassembly [currentInstruction].posEnd.dwColumn = uint.MaxValue;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL) != 0)
{
prgDisassembly [currentInstruction].bstrDocumentUrl = "file://" + file;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET) != 0)
{
uint offset = instructionValue ["offset"] [0].GetUnsignedInt();
prgDisassembly [currentInstruction].dwByteOffset = offset;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS) != 0)
{
prgDisassembly [currentInstruction].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_HASSOURCE;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS;
}
if (++currentInstruction >= maxInstructions)
{
break;
}
}
}
}
pdwInstructionsRead = (uint)currentInstruction;
return(Constants.S_OK);
}
catch (Exception e)
{
LoggingUtils.HandleException(e);
pdwInstructionsRead = 0;
return(Constants.E_FAIL);
}
}
/// <summary>
/// Reads instructions starting from the current position in the disassembly stream.
/// </summary>
/// <param name="dwInstructions">[in] The number of instructions to disassemble. This value is also the maximum length of the prgDisassembly array.</param>
/// <param name="dwFields">[in] A combination of flags from the DISASSEMBLY_STREAM_FIELDS enumeration that indicate which fields of prgDisassembly are to be filled out.</param>
/// <param name="pdwInstructionsRead">[out] Returns the number of instructions actually disassembled.</param>
/// <param name="prgDisassembly">[out] An array of DisassemblyData structures that is filled in with the disassembled code, one structure per disassembled instruction. The length of this array is dictated by the dwInstructions parameter.</param>
/// <returns>If successful, returns S_OK; otherwise, returns an error code.</returns>
/// <remarks>
/// The maximum number of instructions that are available in the current scope can be obtained by calling the IDebugDisassemblyStream2.GetSize method.
///
/// The current position where the next instruction is read from can be changed by calling the IDebugDisassemblyStream2.Seek method.
///
/// The DSF_OPERANDS_SYMBOLS flag can be added to the DSF_OPERANDS flag in the dwFields parameter to indicate that symbol names should be used when disassembling instructions.
/// </remarks>
public int Read(uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData[] prgDisassembly)
{
pdwInstructionsRead = 0;
uint actualInstructions = Math.Min(dwInstructions, (uint)(_disassembledMethod.Instructions.Count - _currentInstructionIndex));
if (prgDisassembly == null || prgDisassembly.Length < dwInstructions)
return VSConstants.E_INVALIDARG;
IMethod method = _executionContext.Location.GetMethod();
ReadOnlyCollection<ILocalVariable> localVariables = method.GetHasVariableInfo() ? method.GetVariables() : new ReadOnlyCollection<ILocalVariable>(new ILocalVariable[0]);
ReadOnlyCollection<ConstantPoolEntry> constantPool = _executionContext.Location.GetDeclaringType().GetConstantPool();
int addressFieldWidth = 1;
int addressFieldRange = 10 * addressFieldWidth;
while (addressFieldRange <= _bytecode.Length)
{
addressFieldWidth++;
addressFieldRange *= 10;
}
for (int i = 0; i < actualInstructions; i++)
{
JavaInstruction instruction = _disassembledMethod.Instructions[_currentInstructionIndex + i];
int instructionStart = instruction.Offset;
int instructionSize = instruction.Size;
#if false // bstrAddress is supposed to refer to an absolute offset
if (dwFields.GetAddress())
{
prgDisassembly[i].bstrAddress = string.Format("{0," + addressFieldWidth + "}", instructionStart);
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
}
#endif
if (dwFields.GetCodeBytes())
{
prgDisassembly[i].bstrCodeBytes = string.Join(" ", _bytecode.Skip(instructionStart).Take(instructionSize).Select(x => x.ToString("X2")));
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODEBYTES;
}
if (dwFields.GetCodeLocationId())
{
prgDisassembly[i].uCodeLocationId = (ulong)instructionStart;
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
}
if (dwFields.GetOpCode())
{
string depth = _evaluationStackDepths != null ? string.Format("[{0}]", _evaluationStackDepths[_currentInstructionIndex + i]) : string.Empty;
prgDisassembly[i].bstrOpcode = string.Format("{0}{1}", depth, instruction.OpCode.Name ?? "???");
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
}
if (dwFields.GetAddressOffset())
{
prgDisassembly[i].bstrAddressOffset = string.Format("{0," + addressFieldWidth + "}", instructionStart);
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESSOFFSET;
}
if (dwFields.GetDocumentUrl())
{
// "For text documents that can be represented as file names, the bstrDocumentUrl
// field is filled in with the file name where the source can be found, using the
// format file://file name."
string sourcePath = _executionContext.Location.GetSourcePath();
Uri sourceUri;
if (!string.IsNullOrEmpty(sourcePath) && Uri.TryCreate(sourcePath, UriKind.Absolute, out sourceUri))
{
prgDisassembly[i].bstrDocumentUrl = sourceUri.AbsoluteUri;
// if it starts with file:/// one of the / characters will show in disassembly view
if (prgDisassembly[i].bstrDocumentUrl.StartsWith("file:///"))
prgDisassembly[i].bstrDocumentUrl = "file://" + prgDisassembly[i].bstrDocumentUrl.Substring("file:///".Length);
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL;
}
}
if (dwFields.GetOperands())
{
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS;
bool includeSymbolNames = dwFields.GetOperandsSymbols();
if (includeSymbolNames)
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS;
// operand 0
switch (instruction.OpCode.OperandType)
{
case JavaOperandType.InlineI1:
prgDisassembly[i].bstrOperands = instruction.Operands.InlineSByte.ToString();
break;
case JavaOperandType.InlineI2:
prgDisassembly[i].bstrOperands = instruction.Operands.InlineInt16.ToString();
break;
case JavaOperandType.InlineShortBranchTarget:
case JavaOperandType.InlineBranchTarget:
prgDisassembly[i].bstrOperands = (instructionStart + instruction.Operands.Operand1).ToString();
break;
case JavaOperandType.InlineLookupSwitch:
prgDisassembly[i].bstrOperands = "Switch?";
break;
case JavaOperandType.InlineTableSwitch:
prgDisassembly[i].bstrOperands = "TableSwitch?";
break;
case JavaOperandType.InlineVar:
case JavaOperandType.InlineVar_I1:
if (includeSymbolNames)
{
int localIndex = _bytecode[instructionStart + 1];
int testLocation = instructionStart;
if (instruction.OpCode.StackBehaviorPop != JavaStackBehavior.Pop0)
{
// this is a store instruction - the variable might not be visible until the following instruction
testLocation += instruction.Size;
}
ILocation currentLocation = _executionContext.Location.GetMethod().GetLocationOfCodeIndex(testLocation);
var local = localVariables.SingleOrDefault(variable => variable.GetSlot() == localIndex && variable.GetIsVisible(currentLocation));
if (local != null)
{
prgDisassembly[i].bstrOperands = local.GetName();
}
}
if (string.IsNullOrEmpty(prgDisassembly[i].bstrOperands))
{
prgDisassembly[i].bstrOperands = "#" + instruction.Operands.VariableSlot.ToString();
}
break;
case JavaOperandType.InlineShortConst:
case JavaOperandType.InlineConst:
case JavaOperandType.InlineField:
case JavaOperandType.InlineMethod:
case JavaOperandType.InlineMethod_U1_0:
case JavaOperandType.InlineType:
case JavaOperandType.InlineType_U1:
if (includeSymbolNames)
{
int index = instruction.Operands.ConstantPoolIndex;
var entry = constantPool[index - 1];
prgDisassembly[i].bstrOperands = entry.ToString(constantPool);
}
if (string.IsNullOrEmpty(prgDisassembly[i].bstrOperands))
{
prgDisassembly[i].bstrOperands = "#" + instruction.Operands.ConstantPoolIndex.ToString();
}
break;
case JavaOperandType.InlineArrayType:
prgDisassembly[i].bstrOperands = "T_" + instruction.Operands.ArrayType.ToString().ToUpperInvariant();
break;
case JavaOperandType.InlineNone:
if (includeSymbolNames)
{
int? localIndex = null;
switch (instruction.OpCode.OpCode)
{
case JavaOpCodeTag.Aload_0:
case JavaOpCodeTag.Astore_0:
case JavaOpCodeTag.Dload_0:
case JavaOpCodeTag.Dstore_0:
case JavaOpCodeTag.Fload_0:
case JavaOpCodeTag.Fstore_0:
case JavaOpCodeTag.Iload_0:
case JavaOpCodeTag.Istore_0:
case JavaOpCodeTag.Lload_0:
case JavaOpCodeTag.Lstore_0:
localIndex = 0;
break;
case JavaOpCodeTag.Aload_1:
case JavaOpCodeTag.Astore_1:
case JavaOpCodeTag.Dload_1:
case JavaOpCodeTag.Dstore_1:
case JavaOpCodeTag.Fload_1:
case JavaOpCodeTag.Fstore_1:
case JavaOpCodeTag.Iload_1:
case JavaOpCodeTag.Istore_1:
case JavaOpCodeTag.Lload_1:
case JavaOpCodeTag.Lstore_1:
localIndex = 1;
break;
case JavaOpCodeTag.Aload_2:
case JavaOpCodeTag.Astore_2:
case JavaOpCodeTag.Dload_2:
case JavaOpCodeTag.Dstore_2:
case JavaOpCodeTag.Fload_2:
case JavaOpCodeTag.Fstore_2:
case JavaOpCodeTag.Iload_2:
case JavaOpCodeTag.Istore_2:
case JavaOpCodeTag.Lload_2:
case JavaOpCodeTag.Lstore_2:
localIndex = 2;
break;
case JavaOpCodeTag.Aload_3:
case JavaOpCodeTag.Astore_3:
case JavaOpCodeTag.Dload_3:
case JavaOpCodeTag.Dstore_3:
case JavaOpCodeTag.Fload_3:
case JavaOpCodeTag.Fstore_3:
case JavaOpCodeTag.Iload_3:
case JavaOpCodeTag.Istore_3:
case JavaOpCodeTag.Lload_3:
case JavaOpCodeTag.Lstore_3:
localIndex = 3;
break;
}
if (localIndex.HasValue)
{
int testLocation = instructionStart;
if (instruction.OpCode.StackBehaviorPop != JavaStackBehavior.Pop0)
{
// this is a store instruction - the variable might not be visible until the following instruction
testLocation += instruction.Size;
}
ILocation currentLocation = _executionContext.Location.GetMethod().GetLocationOfCodeIndex(testLocation);
var local = localVariables.SingleOrDefault(variable => variable.GetSlot() == localIndex && variable.GetIsVisible(currentLocation));
if (local != null)
{
prgDisassembly[i].bstrOperands = local.GetName();
}
}
}
break;
default:
prgDisassembly[i].bstrOperands = string.Empty;
break;
}
// operand 1
switch (instruction.OpCode.OperandType)
{
case JavaOperandType.InlineVar_I1:
prgDisassembly[i].bstrOperands += " " + instruction.Operands.Increment.ToString();
break;
case JavaOperandType.InlineMethod_U1_0:
prgDisassembly[i].bstrOperands += " " + instruction.Operands.Operand2.ToString();
break;
case JavaOperandType.InlineType_U1:
prgDisassembly[i].bstrOperands += " " + instruction.Operands.Dimensions.ToString();
break;
default:
break;
}
// operand 2
if (instruction.OpCode.OperandType == JavaOperandType.InlineMethod_U1_0)
{
prgDisassembly[i].bstrOperands += " 0";
}
}
if (dwFields.GetPosition())
{
try
{
ILocation location = _executionContext.Location.GetMethod().GetLocationOfCodeIndex(instructionStart);
prgDisassembly[i].posBeg.dwLine = (uint)location.GetLineNumber();
prgDisassembly[i].posBeg.dwColumn = 0;
prgDisassembly[i].posEnd = prgDisassembly[i].posBeg;
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION;
}
catch (Exception e)
{
if (ErrorHandler.IsCriticalException(e))
throw;
prgDisassembly[i].posBeg = default(TEXT_POSITION);
prgDisassembly[i].posEnd = default(TEXT_POSITION);
prgDisassembly[i].dwFields &= ~enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION;
}
}
if (dwFields.GetFlags())
{
// TODO: determine when the following condition is met?
// "Indicates that this instruction is one of the next instructions to be executed (there may be more than one)."
bool active = false;
if (active)
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_INSTRUCTION_ACTIVE;
// Check for location information to determine when this condition is met:
// "Indicates that this instruction has source. Some instructions, such as profiling or garbage collection code, have no corresponding source."
bool hasSource = prgDisassembly[i].dwFields.GetPosition();
if (hasSource)
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_HASSOURCE;
// The current single-method disassembly only includes source from a single file, so this is for all but the first line:
// "Indicates that this instruction is in a different document than the previous one."
bool documentChange = i == 0 && _currentInstructionIndex == 0;
if (documentChange)
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DOCUMENTCHANGE;
// Javac removes code that is statically determined to be unreachable (even in debug mode), so this is false:
// "Indicates that this instruction will not be executed."
bool disabled = false;
if (disabled)
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DISABLED;
// This is always false in bytecode:
// "Indicates that this instruction is really data (not code)."
bool data = false;
if (data)
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DATA;
// The Java debugging information format does not include document checksum information
bool documentChecksum = false;
if (documentChecksum)
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DOCUMENT_CHECKSUM;
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS;
}
if (dwFields.GetByteOffset() && prgDisassembly[i].dwFields.GetPosition())
{
// "The number of bytes the instruction is from the beginning of the code line."
int byteOffset = 0;
for (int j = _currentInstructionIndex + i - 1; j >= 0; j--)
{
JavaInstruction priorInstruction = _disassembledMethod.Instructions[j];
try
{
ILocation location = _executionContext.Location.GetMethod().GetLocationOfCodeIndex(priorInstruction.Offset);
if (location.GetLineNumber() != prgDisassembly[i].posBeg.dwLine)
break;
byteOffset = instruction.Offset - priorInstruction.Offset;
}
catch (Exception e)
{
if (ErrorHandler.IsCriticalException(e))
throw;
break;
}
}
prgDisassembly[i].dwByteOffset = (uint)Math.Max(0, byteOffset);
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET;
}
if (dwFields.GetSymbol())
{
switch (instruction.OpCode.OperandType)
{
case JavaOperandType.InlineLookupSwitch:
prgDisassembly[i].bstrSymbol = "// switch";
break;
case JavaOperandType.InlineTableSwitch:
prgDisassembly[i].bstrSymbol = "// table switch";
break;
default:
break;
}
if (prgDisassembly[i].bstrSymbol != null)
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
}
}
_currentInstructionIndex += (int)actualInstructions;
pdwInstructionsRead = actualInstructions;
return actualInstructions == dwInstructions ? VSConstants.S_OK : VSConstants.S_FALSE;
}
public int Read(uint numInstructions, enum_DISASSEMBLY_STREAM_FIELDS fields,
out uint numInstructionsRead, DisassemblyData[] disassembly)
{
numInstructionsRead = 0;
SbAddress sbAddress = _target.ResolveLoadAddress(_address);
if (sbAddress == null)
{
return(VSConstants.S_FALSE);
}
bool withSource = ((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION) != 0) ||
((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL) != 0) ||
((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET) != 0);
List <Instruction> instructions =
GetInstructions(sbAddress, numInstructions, withSource);
for (int i = 0; i < instructions.Count; i++)
{
Instruction instruction = instructions[i];
_address = instruction.Address;
if ((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
{
disassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
disassembly[i].bstrAddress = $"0x{instruction.Address:x16}";
}
if ((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
{
disassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
disassembly[i].uCodeLocationId = instruction.Address;
}
if ((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0)
{
disassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
disassembly[i].bstrOpcode = instruction.Text;
}
if ((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL) != 0)
{
if (instruction.Symbol != null)
{
disassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
disassembly[i].bstrSymbol = instruction.Symbol;
}
}
if ((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL) != 0)
{
disassembly[i].bstrDocumentUrl = instruction.Document;
disassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL;
}
if ((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION) != 0)
{
if (instruction.HasSource)
{
disassembly[i].posBeg.dwColumn = 0;
disassembly[i].posBeg.dwLine = instruction.StartLine;
disassembly[i].posEnd.dwColumn = 0;
disassembly[i].posEnd.dwLine = instruction.EndLine;
disassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION;
}
}
if ((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS) != 0)
{
disassembly[i].dwFlags =
instruction.HasSource ? enum_DISASSEMBLY_FLAGS.DF_HASSOURCE : 0;
if (instruction.DocumentChanged)
{
disassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DOCUMENTCHANGE;
}
disassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS;
}
if ((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET) != 0)
{
if (instruction.HasSource)
{
disassembly[i].dwByteOffset = instruction.ByteOffset;
disassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET;
}
}
}
numInstructionsRead = Convert.ToUInt32(instructions.Count);
return(numInstructionsRead > 0 ? VSConstants.S_OK : VSConstants.S_FALSE);
}
/// <summary>
/// Reads instructions starting from the current position in the disassembly stream.
/// </summary>
/// <param name="dwInstructions">[in] The number of instructions to disassemble. This value is also the maximum length of the prgDisassembly array.</param>
/// <param name="dwFields">[in] A combination of flags from the DISASSEMBLY_STREAM_FIELDS enumeration that indicate which fields of prgDisassembly are to be filled out.</param>
/// <param name="pdwInstructionsRead">[out] Returns the number of instructions actually disassembled.</param>
/// <param name="prgDisassembly">[out] An array of DisassemblyData structures that is filled in with the disassembled code, one structure per disassembled instruction. The length of this array is dictated by the dwInstructions parameter.</param>
/// <returns>If successful, returns S_OK; otherwise, returns an error code.</returns>
/// <remarks>
/// The maximum number of instructions that are available in the current scope can be obtained by calling the IDebugDisassemblyStream2.GetSize method.
///
/// The current position where the next instruction is read from can be changed by calling the IDebugDisassemblyStream2.Seek method.
///
/// The DSF_OPERANDS_SYMBOLS flag can be added to the DSF_OPERANDS flag in the dwFields parameter to indicate that symbol names should be used when disassembling instructions.
/// </remarks>
public int Read(uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData[] prgDisassembly)
{
pdwInstructionsRead = 0;
uint actualInstructions = Math.Min(dwInstructions, (uint)(_disassembledMethod.Instructions.Count - _currentInstructionIndex));
if (prgDisassembly == null || prgDisassembly.Length < dwInstructions)
{
return(VSConstants.E_INVALIDARG);
}
IMethod method = _executionContext.Location.GetMethod();
ReadOnlyCollection <ILocalVariable> localVariables = method.GetHasVariableInfo() ? method.GetVariables() : new ReadOnlyCollection <ILocalVariable>(new ILocalVariable[0]);
ReadOnlyCollection <ConstantPoolEntry> constantPool = _executionContext.Location.GetDeclaringType().GetConstantPool();
int addressFieldWidth = 1;
int addressFieldRange = 10 * addressFieldWidth;
while (addressFieldRange <= _bytecode.Length)
{
addressFieldWidth++;
addressFieldRange *= 10;
}
for (int i = 0; i < actualInstructions; i++)
{
JavaInstruction instruction = _disassembledMethod.Instructions[_currentInstructionIndex + i];
int instructionStart = instruction.Offset;
int instructionSize = instruction.Size;
#if false // bstrAddress is supposed to refer to an absolute offset
if (dwFields.GetAddress())
{
prgDisassembly[i].bstrAddress = string.Format("{0," + addressFieldWidth + "}", instructionStart);
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
}
#endif
if (dwFields.GetCodeBytes())
{
prgDisassembly[i].bstrCodeBytes = string.Join(" ", _bytecode.Skip(instructionStart).Take(instructionSize).Select(x => x.ToString("X2")));
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODEBYTES;
}
if (dwFields.GetCodeLocationId())
{
prgDisassembly[i].uCodeLocationId = (ulong)instructionStart;
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
}
if (dwFields.GetOpCode())
{
prgDisassembly[i].bstrOpcode = string.Format("[{0}]{1}", _evaluationStackDepths[_currentInstructionIndex + i], instruction.OpCode.Name ?? "???");
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
}
if (dwFields.GetAddressOffset())
{
prgDisassembly[i].bstrAddressOffset = string.Format("{0," + addressFieldWidth + "}", instructionStart);
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESSOFFSET;
}
if (dwFields.GetDocumentUrl())
{
// "For text documents that can be represented as file names, the bstrDocumentUrl
// field is filled in with the file name where the source can be found, using the
// format file://file name."
string sourcePath = _executionContext.Location.GetSourcePath();
Uri sourceUri;
if (!string.IsNullOrEmpty(sourcePath) && Uri.TryCreate(sourcePath, UriKind.Absolute, out sourceUri))
{
prgDisassembly[i].bstrDocumentUrl = sourceUri.AbsoluteUri;
// if it starts with file:/// one of the / characters will show in disassembly view
if (prgDisassembly[i].bstrDocumentUrl.StartsWith("file:///"))
{
prgDisassembly[i].bstrDocumentUrl = "file://" + prgDisassembly[i].bstrDocumentUrl.Substring("file:///".Length);
}
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL;
}
}
if (dwFields.GetOperands())
{
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS;
bool includeSymbolNames = dwFields.GetOperandsSymbols();
if (includeSymbolNames)
{
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS;
}
// operand 0
switch (instruction.OpCode.OperandType)
{
case JavaOperandType.InlineI1:
prgDisassembly[i].bstrOperands = instruction.Operands.InlineSByte.ToString();
break;
case JavaOperandType.InlineI2:
prgDisassembly[i].bstrOperands = instruction.Operands.InlineInt16.ToString();
break;
case JavaOperandType.InlineShortBranchTarget:
case JavaOperandType.InlineBranchTarget:
prgDisassembly[i].bstrOperands = (instructionStart + instruction.Operands.Operand1).ToString();
break;
case JavaOperandType.InlineLookupSwitch:
prgDisassembly[i].bstrOperands = "Switch?";
break;
case JavaOperandType.InlineTableSwitch:
prgDisassembly[i].bstrOperands = "TableSwitch?";
break;
case JavaOperandType.InlineVar:
case JavaOperandType.InlineVar_I1:
if (includeSymbolNames)
{
int localIndex = _bytecode[instructionStart + 1];
int testLocation = instructionStart;
if (instruction.OpCode.StackBehaviorPop != JavaStackBehavior.Pop0)
{
// this is a store instruction - the variable might not be visible until the following instruction
testLocation += instruction.Size;
}
ILocation currentLocation = _executionContext.Location.GetMethod().GetLocationOfCodeIndex(testLocation);
var local = localVariables.SingleOrDefault(variable => variable.GetSlot() == localIndex && variable.GetIsVisible(currentLocation));
if (local != null)
{
prgDisassembly[i].bstrOperands = local.GetName();
}
}
if (string.IsNullOrEmpty(prgDisassembly[i].bstrOperands))
{
prgDisassembly[i].bstrOperands = "#" + instruction.Operands.VariableSlot.ToString();
}
break;
case JavaOperandType.InlineShortConst:
case JavaOperandType.InlineConst:
case JavaOperandType.InlineField:
case JavaOperandType.InlineMethod:
case JavaOperandType.InlineMethod_U1_0:
case JavaOperandType.InlineType:
case JavaOperandType.InlineType_U1:
if (includeSymbolNames)
{
int index = instruction.Operands.ConstantPoolIndex;
var entry = constantPool[index - 1];
prgDisassembly[i].bstrOperands = entry.ToString(constantPool);
}
if (string.IsNullOrEmpty(prgDisassembly[i].bstrOperands))
{
prgDisassembly[i].bstrOperands = "#" + instruction.Operands.ConstantPoolIndex.ToString();
}
break;
case JavaOperandType.InlineArrayType:
prgDisassembly[i].bstrOperands = "T_" + instruction.Operands.ArrayType.ToString().ToUpperInvariant();
break;
case JavaOperandType.InlineNone:
if (includeSymbolNames)
{
int?localIndex = null;
switch (instruction.OpCode.OpCode)
{
case JavaOpCodeTag.Aload_0:
case JavaOpCodeTag.Astore_0:
case JavaOpCodeTag.Dload_0:
case JavaOpCodeTag.Dstore_0:
case JavaOpCodeTag.Fload_0:
case JavaOpCodeTag.Fstore_0:
case JavaOpCodeTag.Iload_0:
case JavaOpCodeTag.Istore_0:
case JavaOpCodeTag.Lload_0:
case JavaOpCodeTag.Lstore_0:
localIndex = 0;
break;
case JavaOpCodeTag.Aload_1:
case JavaOpCodeTag.Astore_1:
case JavaOpCodeTag.Dload_1:
case JavaOpCodeTag.Dstore_1:
case JavaOpCodeTag.Fload_1:
case JavaOpCodeTag.Fstore_1:
case JavaOpCodeTag.Iload_1:
case JavaOpCodeTag.Istore_1:
case JavaOpCodeTag.Lload_1:
case JavaOpCodeTag.Lstore_1:
localIndex = 1;
break;
case JavaOpCodeTag.Aload_2:
case JavaOpCodeTag.Astore_2:
case JavaOpCodeTag.Dload_2:
case JavaOpCodeTag.Dstore_2:
case JavaOpCodeTag.Fload_2:
case JavaOpCodeTag.Fstore_2:
case JavaOpCodeTag.Iload_2:
case JavaOpCodeTag.Istore_2:
case JavaOpCodeTag.Lload_2:
case JavaOpCodeTag.Lstore_2:
localIndex = 2;
break;
case JavaOpCodeTag.Aload_3:
case JavaOpCodeTag.Astore_3:
case JavaOpCodeTag.Dload_3:
case JavaOpCodeTag.Dstore_3:
case JavaOpCodeTag.Fload_3:
case JavaOpCodeTag.Fstore_3:
case JavaOpCodeTag.Iload_3:
case JavaOpCodeTag.Istore_3:
case JavaOpCodeTag.Lload_3:
case JavaOpCodeTag.Lstore_3:
localIndex = 3;
break;
}
if (localIndex.HasValue)
{
int testLocation = instructionStart;
if (instruction.OpCode.StackBehaviorPop != JavaStackBehavior.Pop0)
{
// this is a store instruction - the variable might not be visible until the following instruction
testLocation += instruction.Size;
}
ILocation currentLocation = _executionContext.Location.GetMethod().GetLocationOfCodeIndex(testLocation);
var local = localVariables.SingleOrDefault(variable => variable.GetSlot() == localIndex && variable.GetIsVisible(currentLocation));
if (local != null)
{
prgDisassembly[i].bstrOperands = local.GetName();
}
}
}
break;
default:
prgDisassembly[i].bstrOperands = string.Empty;
break;
}
// operand 1
switch (instruction.OpCode.OperandType)
{
case JavaOperandType.InlineVar_I1:
prgDisassembly[i].bstrOperands += " " + instruction.Operands.Increment.ToString();
break;
case JavaOperandType.InlineMethod_U1_0:
prgDisassembly[i].bstrOperands += " " + instruction.Operands.Operand2.ToString();
break;
case JavaOperandType.InlineType_U1:
prgDisassembly[i].bstrOperands += " " + instruction.Operands.Dimensions.ToString();
break;
default:
break;
}
// operand 2
if (instruction.OpCode.OperandType == JavaOperandType.InlineMethod_U1_0)
{
prgDisassembly[i].bstrOperands += " 0";
}
}
if (dwFields.GetPosition())
{
try
{
ILocation location = _executionContext.Location.GetMethod().GetLocationOfCodeIndex(instructionStart);
prgDisassembly[i].posBeg.dwLine = (uint)location.GetLineNumber();
prgDisassembly[i].posBeg.dwColumn = 0;
prgDisassembly[i].posEnd = prgDisassembly[i].posBeg;
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION;
}
catch (Exception e)
{
if (ErrorHandler.IsCriticalException(e))
{
throw;
}
prgDisassembly[i].posBeg = default(TEXT_POSITION);
prgDisassembly[i].posEnd = default(TEXT_POSITION);
prgDisassembly[i].dwFields &= ~enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION;
}
}
if (dwFields.GetFlags())
{
// TODO: determine when the following condition is met?
// "Indicates that this instruction is one of the next instructions to be executed (there may be more than one)."
bool active = false;
if (active)
{
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_INSTRUCTION_ACTIVE;
}
// Check for location information to determine when this condition is met:
// "Indicates that this instruction has source. Some instructions, such as profiling or garbage collection code, have no corresponding source."
bool hasSource = prgDisassembly[i].dwFields.GetPosition();
if (hasSource)
{
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_HASSOURCE;
}
// The current single-method disassembly only includes source from a single file, so this is for all but the first line:
// "Indicates that this instruction is in a different document than the previous one."
bool documentChange = i == 0 && _currentInstructionIndex == 0;
if (documentChange)
{
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DOCUMENTCHANGE;
}
// Javac removes code that is statically determined to be unreachable (even in debug mode), so this is false:
// "Indicates that this instruction will not be executed."
bool disabled = false;
if (disabled)
{
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DISABLED;
}
// This is always false in bytecode:
// "Indicates that this instruction is really data (not code)."
bool data = false;
if (data)
{
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DATA;
}
// The Java debugging information format does not include document checksum information
bool documentChecksum = false;
if (documentChecksum)
{
prgDisassembly[i].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DOCUMENT_CHECKSUM;
}
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS;
}
if (dwFields.GetByteOffset() && prgDisassembly[i].dwFields.GetPosition())
{
// "The number of bytes the instruction is from the beginning of the code line."
int byteOffset = 0;
for (int j = _currentInstructionIndex + i - 1; j >= 0; j--)
{
JavaInstruction priorInstruction = _disassembledMethod.Instructions[j];
try
{
ILocation location = _executionContext.Location.GetMethod().GetLocationOfCodeIndex(priorInstruction.Offset);
if (location.GetLineNumber() != prgDisassembly[i].posBeg.dwLine)
{
break;
}
byteOffset = instruction.Offset - priorInstruction.Offset;
}
catch (Exception e)
{
if (ErrorHandler.IsCriticalException(e))
{
throw;
}
break;
}
}
prgDisassembly[i].dwByteOffset = (uint)Math.Max(0, byteOffset);
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET;
}
if (dwFields.GetSymbol())
{
switch (instruction.OpCode.OperandType)
{
case JavaOperandType.InlineLookupSwitch:
prgDisassembly[i].bstrSymbol = "// switch";
break;
case JavaOperandType.InlineTableSwitch:
prgDisassembly[i].bstrSymbol = "// table switch";
break;
default:
break;
}
if (prgDisassembly[i].bstrSymbol != null)
{
prgDisassembly[i].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
}
}
}
_currentInstructionIndex += (int)actualInstructions;
pdwInstructionsRead = actualInstructions;
return(actualInstructions == dwInstructions ? VSConstants.S_OK : VSConstants.S_FALSE);
}
/// <summary>
/// Initialize/use the uCodeLocationId field.
/// </summary>
public static bool GetCodeLocationId(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0);
}
public int Read(uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData[] prgDisassembly)
{
uint iOp = 0;
IEnumerable <DisasmInstruction> instructions = null;
_engine.DebuggedProcess.WorkerThread.RunOperation(async() =>
{
instructions = await _engine.DebuggedProcess.Disassembly.FetchInstructions(_addr, (int)dwInstructions);
});
if (instructions == null || (instructions.First().Addr - _addr > dwInstructions))
{
// bad address range, return '??'
for (iOp = 0; iOp < dwInstructions; _addr++, ++iOp)
{
prgDisassembly[iOp] = FetchBadInstruction(dwFields);
}
pdwInstructionsRead = iOp;
return(Constants.S_OK);
}
// return '??' for bad addresses at start of range
for (iOp = 0; _addr < instructions.First().Addr; _addr++, iOp++)
{
prgDisassembly[iOp] = FetchBadInstruction(dwFields);
}
foreach (DisasmInstruction instruction in instructions)
{
if (iOp >= dwInstructions)
{
break;
}
_addr = instruction.Addr;
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
prgDisassembly[iOp].bstrAddress = instruction.AddressString;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
prgDisassembly[iOp].uCodeLocationId = instruction.Addr;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL) != 0)
{
if (instruction.Offset == 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
prgDisassembly[iOp].bstrSymbol = instruction.Symbol ?? string.Empty;
}
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0)
{
prgDisassembly[iOp].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
prgDisassembly[iOp].bstrOpcode = instruction.Opcode;
}
iOp++;
}
;
if (iOp < dwInstructions)
{
// Didn't get enough instructions. Must have run out of valid memory address range.
Tuple <ulong, ulong> range = new Tuple <ulong, ulong>(0, 0);
_engine.DebuggedProcess.WorkerThread.RunOperation(async() =>
{
range = await _engine.DebuggedProcess.FindValidMemoryRange(_addr, 10, 0);
});
// return '??' for bad addresses at end of range
for (_addr = range.Item2; iOp < dwInstructions; _addr++, iOp++)
{
prgDisassembly[iOp] = FetchBadInstruction(dwFields);
}
}
pdwInstructionsRead = iOp;
return(pdwInstructionsRead != 0 ? Constants.S_OK : Constants.S_FALSE);
}
/// <summary>
/// Include symbol names in the bstrOperands field.
/// </summary>
public static bool GetOperandsSymbols(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS) != 0);
}
/// <summary>
/// Initialize/use the bstrAddress field.
/// </summary>
public static bool GetAddress(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0);
}
/// <summary>
/// Initialize/use the dwFlags field.
/// </summary>
public static bool GetFlags(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS) != 0);
}
/// <summary>
/// Initialize/use the dwByteOffset field.
/// </summary>
public static bool GetByteOffset(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET) != 0);
}
/// <summary>
/// Initialize/use the bstrDocumentUrl field.
/// </summary>
public static bool GetDocumentUrl(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL) != 0);
}
/// <summary>
/// Initialize/use the posBeg and posEnd fields.
/// </summary>
public static bool GetPosition(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION) != 0);
}
/// <summary>
/// Initialize/use the bstrOpCode field.
/// </summary>
public static bool GetOpCode(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public int Read (uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData [] prgDisassembly)
{
//
// Reads instructions starting from the current position in the disassembly stream.
//
LoggingUtils.PrintFunction ();
try
{
ulong startAddress = m_codeContext.Address.MemoryAddress;
ulong endAddress = startAddress + ((ulong)(dwInstructions) * 4); // TODO: 4 for a 32-bit instruction set?
string disassemblyCommand = string.Format ("-data-disassemble -s 0x{0:X8} -e 0x{1:X8} -- 1", startAddress, endAddress);
MiResultRecord resultRecord = m_debugger.GdbClient.SendSyncCommand (disassemblyCommand);
MiResultRecord.RequireOk (resultRecord, disassemblyCommand);
if (!resultRecord.HasField ("asm_insns"))
{
throw new InvalidOperationException ("-data-disassemble result missing 'asm_insns' field");
}
MiResultValueList assemblyRecords = (MiResultValueList) resultRecord ["asm_insns"] [0];
long maxInstructions = Math.Min (assemblyRecords.Values.Count, dwInstructions);
if (maxInstructions == 0)
{
throw new InvalidOperationException ();
}
int currentInstruction = 0;
for (int i = 0; i < assemblyRecords.Values.Count; ++i)
{
MiResultValue recordValue = assemblyRecords [i];
if (recordValue.Variable.Equals ("src_and_asm_line"))
{
//
// Parse mixed-mode disassembly reports.
//
uint line = recordValue ["line"] [0].GetUnsignedInt ();
string file = recordValue ["file"] [0].GetString ();
MiResultValueList lineAsmInstructionValues = (MiResultValueList) recordValue ["line_asm_insn"] [0];
foreach (MiResultValue instructionValue in lineAsmInstructionValues.Values)
{
string address = instructionValue ["address"] [0].GetString ();
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
{
prgDisassembly [currentInstruction].bstrAddress = address;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESSOFFSET) != 0)
{
string offset = instructionValue ["offset"] [0].GetString ();
prgDisassembly [currentInstruction].bstrAddressOffset = offset;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESSOFFSET;
}
if (((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0) || ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS) != 0) || ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS) != 0))
{
string inst = instructionValue ["inst"] [0].GetString ();
string [] operations = inst.Split (new string [] { "\\t" }, StringSplitOptions.None);
if (operations.Length > 0)
{
prgDisassembly [currentInstruction].bstrOpcode = operations [0];
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
}
if (operations.Length > 1)
{
prgDisassembly [currentInstruction].bstrOperands = operations [1];
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS;
}
if (operations.Length > 2)
{
prgDisassembly [currentInstruction].bstrOperands += " " + operations [2];
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS;
}
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL) != 0)
{
string functionName = instructionValue ["func-name"] [0].GetString ();
prgDisassembly [currentInstruction].bstrSymbol = functionName;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
{
DebuggeeAddress instructionAddress = new DebuggeeAddress (address);
prgDisassembly [currentInstruction].uCodeLocationId = instructionAddress.MemoryAddress;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION) != 0)
{
prgDisassembly [currentInstruction].posBeg.dwLine = line;
prgDisassembly [currentInstruction].posBeg.dwColumn = 0;
prgDisassembly [currentInstruction].posEnd.dwLine = line;
prgDisassembly [currentInstruction].posEnd.dwColumn = uint.MaxValue;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL) != 0)
{
prgDisassembly [currentInstruction].bstrDocumentUrl = "file://" + file;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET) != 0)
{
uint offset = instructionValue ["offset"] [0].GetUnsignedInt ();
prgDisassembly [currentInstruction].dwByteOffset = offset;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS) != 0)
{
prgDisassembly [currentInstruction].dwFlags |= enum_DISASSEMBLY_FLAGS.DF_HASSOURCE;
prgDisassembly [currentInstruction].dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS;
}
if (++currentInstruction >= maxInstructions)
{
break;
}
}
}
}
pdwInstructionsRead = (uint) currentInstruction;
return Constants.S_OK;
}
catch (Exception e)
{
LoggingUtils.HandleException (e);
pdwInstructionsRead = 0;
return Constants.E_FAIL;
}
}
/// <summary>
/// Initialize/use the bstrSymbol field.
/// </summary>
public static bool GetSymbol(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_SYMBOL) != 0);
}
public int Read(uint dwInstructions, enum_DISASSEMBLY_STREAM_FIELDS dwFields, out uint pdwInstructionsRead, DisassemblyData[] prgDisassembly)
{
pdwInstructionsRead = 0;
if (_method == null)
{
return(HResults.E_DISASM_NOTAVAILABLE);
}
var method = _method.Method;
var insCount = method.Body.Instructions.Count;
bool wantsDocumentUrl = (dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL) != 0;
bool wantsPosition = (dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION) != 0;
bool wantsByteOffset = (dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET) != 0;
bool wantsFlags = (dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS) != 0;
for (pdwInstructionsRead = 0; pdwInstructionsRead < dwInstructions; ++pdwInstructionsRead, ++_instructionPointer)
{
int ip = _instructionPointer;
if (ip >= insCount)
{
break;
}
var insd = new DisassemblyData();
var ins = method.Body.Instructions[ip];
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS) != 0)
{
insd.bstrAddress = _method.FormatAddress(ins);
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_ADDRESS;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID) != 0)
{
insd.uCodeLocationId = (ulong)ins.Offset;
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODELOCATIONID;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE) != 0)
{
insd.bstrOpcode = _method.FormatOpCode(ins);
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPCODE;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS) != 0)
{
insd.bstrOperands = _method.FormatOperands(ins);
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS;
}
if (wantsDocumentUrl || wantsPosition || wantsByteOffset || wantsFlags)
{
var source = _method.FindSourceCode(ins.Offset);
var hasSource = source != null && !source.IsSpecial;
bool isSameDocAsPrevious, isSameDocPos;
if (hasSource)
{
isSameDocAsPrevious = _prevSource != null &&
!_prevSource.IsSpecial &&
_prevSource.Document.Path == source.Document.Path;
isSameDocPos = _prevSource != null && !_prevSource.IsSpecial &&
isSameDocAsPrevious &&
source.Position.CompareTo(_prevSource.Position) == 0;
}
else
{
isSameDocAsPrevious = (source == null && _prevSource == null) || (source != null && _prevSource != null && _prevSource.IsSpecial);
isSameDocPos = isSameDocAsPrevious;
}
if (wantsDocumentUrl && (!isSameDocAsPrevious || _justSeeked))
{
if (hasSource)
{
insd.bstrDocumentUrl = "file://" + source.Document.Path;
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_DOCUMENTURL;
}
// how do I clear the document?
}
int byteOffset = 0;
if ((wantsByteOffset || wantsPosition) && hasSource)
{
if (isSameDocPos)
{
byteOffset = ins.Offset - _prevSourceInstructionOffset;
}
else
{
byteOffset = 0;
_prevSourceInstructionOffset = ins.Offset;
}
}
if (wantsPosition && hasSource && !isSameDocPos)
{
var pos = source.Position;
insd.posBeg.dwLine = (uint)(pos.Start.Line - 1);
insd.posBeg.dwColumn = (uint)(pos.Start.Column - 1);
insd.posEnd.dwLine = (uint)(pos.End.Line - 1);
insd.posEnd.dwColumn = (uint)(pos.End.Column - 1);
if (insd.posEnd.dwLine - insd.posBeg.dwLine > 3) // never show more than 3 lines.
{
insd.posEnd.dwLine = insd.posBeg.dwLine + 3;
}
// Is this just me? I have no idea why my VS throws an exception when using this.
//insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_POSITION;
}
if (wantsByteOffset && hasSource)
{
insd.dwByteOffset = (uint)byteOffset;
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_BYTEOFFSET;
}
if (wantsFlags)
{
if (!isSameDocAsPrevious)
{
insd.dwFlags |= enum_DISASSEMBLY_FLAGS.DF_DOCUMENTCHANGE;
}
if (hasSource)
{
insd.dwFlags |= enum_DISASSEMBLY_FLAGS.DF_HASSOURCE;
}
//if (_loc.Location.Index == (ulong)ins.Offset)
// insd.dwFlags |= enum_DISASSEMBLY_FLAGS.DF_INSTRUCTION_ACTIVE;
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_FLAGS;
}
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS) != 0)
{
if (!hasSource && !isSameDocPos)
{
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS;
insd.bstrSymbol = "(generated instructions)";
}
else if (hasSource && !isSameDocPos)
{
// workaround to show something at least
if ((dwFields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS) != 0)
{
insd.dwFields |= enum_DISASSEMBLY_STREAM_FIELDS.DSF_OPERANDS_SYMBOLS;
insd.bstrSymbol = "File Position: " + source.Position.Start + " - " + source.Position.End;
}
}
}
_justSeeked = false;
_prevSource = source;
}
prgDisassembly[pdwInstructionsRead] = insd;
}
return(pdwInstructionsRead == 0 || _instructionPointer >= insCount ? VSConstants.S_FALSE : VSConstants.S_OK);
}
/// <summary>
/// Initialize/use the bstrCodeBytes field.
/// </summary>
public static bool GetCodeBytes(this enum_DISASSEMBLY_STREAM_FIELDS fields)
{
return((fields & enum_DISASSEMBLY_STREAM_FIELDS.DSF_CODEBYTES) != 0);
}
