private CORINFO_MODULE_STRUCT_* _methodScope; // Needed to resolve CORINFO_EH_CLAUSE tokens
public void CompileMethod(MethodCodeNode methodCodeNodeNeedingCode, MethodIL methodIL = null)
{
try
{
_methodCodeNode = methodCodeNodeNeedingCode;
CORINFO_METHOD_INFO methodInfo;
methodIL = Get_CORINFO_METHOD_INFO(MethodBeingCompiled, methodIL, out methodInfo);
// This is e.g. an "extern" method in C# without a DllImport or InternalCall.
if (methodIL == null)
{
throw new TypeSystemException.InvalidProgramException(ExceptionStringID.InvalidProgramSpecific, MethodBeingCompiled);
}
_methodScope = methodInfo.scope;
try
{
MethodDebugInformation debugInfo = _compilation.GetDebugInfo(methodIL);
if (!_compilation.Options.NoLineNumbers)
{
IEnumerable<ILSequencePoint> ilSequencePoints = debugInfo.GetSequencePoints();
if (ilSequencePoints != null)
{
SetSequencePoints(ilSequencePoints);
}
}
IEnumerable<ILLocalVariable> localVariables = debugInfo.GetLocalVariables();
if (localVariables != null)
{
SetLocalVariables(localVariables);
}
IEnumerable<string> parameters = debugInfo.GetParameterNames();
if (parameters != null)
{
SetParameterNames(parameters);
}
}
catch (Exception e)
{
// Debug info not successfully loaded.
_compilation.Log.WriteLine(e.Message + " (" + methodCodeNodeNeedingCode.ToString() + ")");
}
CorInfoImpl _this = this;
IntPtr exception;
IntPtr nativeEntry;
uint codeSize;
var result = JitCompileMethod(out exception,
_jit, (IntPtr)Unsafe.AsPointer(ref _this), _unmanagedCallbacks,
ref methodInfo, (uint)CorJitFlag.CORJIT_FLG_CALL_GETJITFLAGS, out nativeEntry, out codeSize);
if (exception != IntPtr.Zero)
{
if (_lastException != null)
{
// If we captured a managed exception, rethrow that.
// TODO: might not actually be the real reason. It could be e.g. a JIT failure/bad IL that followed
// an inlining attempt with a type system problem in it...
throw _lastException;
}
// This is a failure we don't know much about.
char* szMessage = GetExceptionMessage(exception);
string message = szMessage != null ? new string(szMessage) : "JIT Exception";
throw new Exception(message);
}
if (result == CorJitResult.CORJIT_BADCODE)
{
throw new TypeSystemException.InvalidProgramException(ExceptionStringID.InvalidProgramSpecific, MethodBeingCompiled);
}
if (result != CorJitResult.CORJIT_OK)
{
throw new Exception("JIT Failed");
}
PublishCode();
}
finally
{
CompileMethodCleanup();
}
}
private void SetDebugInformation(MethodCodeNode methodCodeNodeNeedingCode, MethodIL methodIL)
{
try
{
MethodDebugInformation debugInfo = _compilation.GetDebugInfo(methodIL);
// TODO: NoLineNumbers
//if (!_compilation.Options.NoLineNumbers)
{
IEnumerable<ILSequencePoint> ilSequencePoints = debugInfo.GetSequencePoints();
if (ilSequencePoints != null)
{
SetSequencePoints(ilSequencePoints);
}
}
IEnumerable<ILLocalVariable> localVariables = debugInfo.GetLocalVariables();
if (localVariables != null)
{
SetLocalVariables(localVariables);
}
IEnumerable<string> parameters = debugInfo.GetParameterNames();
if (parameters != null)
{
SetParameterNames(parameters);
}
ArrayBuilder<uint> variableToTypeIndex = new ArrayBuilder<uint>();
var signature = MethodBeingCompiled.Signature;
if (!signature.IsStatic)
{
TypeDesc type = MethodBeingCompiled.OwningType;
variableToTypeIndex.Add(GetVariableTypeIndex(type));
}
for (int i = 0; i < signature.Length; ++i)
{
TypeDesc type = signature[i];
variableToTypeIndex.Add(GetVariableTypeIndex(type));
}
var locals = methodIL.GetLocals();
for (int i = 0; i < locals.Length; ++i)
{
TypeDesc type = locals[i].Type;
variableToTypeIndex.Add(GetVariableTypeIndex(type));
}
_variableToTypeIndex = variableToTypeIndex.ToArray();
}
catch (Exception e)
{
// Debug info not successfully loaded.
Log.WriteLine(e.Message + " (" + methodCodeNodeNeedingCode.ToString() + ")");
}
}
