private bool getMethodInfo(IntPtr _this, CORINFO_METHOD_STRUCT_* ftn, ref CORINFO_METHOD_INFO info)
{
return Get_CORINFO_METHOD_INFO(HandleToObject(ftn), out info);
}
private bool getMethodInfo(CORINFO_METHOD_STRUCT_* ftn, ref CORINFO_METHOD_INFO info)
{
MethodIL methodIL = Get_CORINFO_METHOD_INFO(HandleToObject(ftn), null, out info);
return methodIL != null;
}
private bool Get_CORINFO_METHOD_INFO(MethodDesc method, out CORINFO_METHOD_INFO methodInfo)
{
var methodIL = _compilation.GetMethodIL(method);
if (methodIL == null)
{
methodInfo = default(CORINFO_METHOD_INFO);
return false;
}
methodInfo.ftn = ObjectToHandle(method);
methodInfo.scope = (CORINFO_MODULE_STRUCT_*)ObjectToHandle(methodIL);
var ilCode = methodIL.GetILBytes();
methodInfo.ILCode = (byte*)GetPin(ilCode);
methodInfo.ILCodeSize = (uint)ilCode.Length;
methodInfo.maxStack = (uint)methodIL.GetMaxStack();
methodInfo.EHcount = (uint)methodIL.GetExceptionRegions().Length;
methodInfo.options = methodIL.GetInitLocals() ? CorInfoOptions.CORINFO_OPT_INIT_LOCALS : (CorInfoOptions)0;
methodInfo.regionKind = CorInfoRegionKind.CORINFO_REGION_NONE;
Get_CORINFO_SIG_INFO(method.Signature, out methodInfo.args);
Get_CORINFO_SIG_INFO(methodIL.GetLocals(), out methodInfo.locals);
return true;
}
private extern static CorJitResult JitCompileMethod(out IntPtr exception,
IntPtr jit, IntPtr thisHandle, IntPtr callbacks,
ref CORINFO_METHOD_INFO info, uint flags, out IntPtr nativeEntry, out uint codeSize);
private MethodIL Get_CORINFO_METHOD_INFO(MethodDesc method, MethodIL methodIL, out CORINFO_METHOD_INFO methodInfo)
{
// MethodIL can be provided externally for the case of a method whose IL was replaced because we couldn't compile it.
if (methodIL == null)
methodIL = _compilation.GetMethodIL(method);
if (methodIL == null)
{
methodInfo = default(CORINFO_METHOD_INFO);
return null;
}
methodInfo.ftn = ObjectToHandle(method);
methodInfo.scope = (CORINFO_MODULE_STRUCT_*)ObjectToHandle(methodIL);
var ilCode = methodIL.GetILBytes();
methodInfo.ILCode = (byte*)GetPin(ilCode);
methodInfo.ILCodeSize = (uint)ilCode.Length;
methodInfo.maxStack = (uint)methodIL.MaxStack;
methodInfo.EHcount = (uint)methodIL.GetExceptionRegions().Length;
methodInfo.options = methodIL.IsInitLocals ? CorInfoOptions.CORINFO_OPT_INIT_LOCALS : (CorInfoOptions)0;
methodInfo.regionKind = CorInfoRegionKind.CORINFO_REGION_NONE;
Get_CORINFO_SIG_INFO(method, out methodInfo.args);
Get_CORINFO_SIG_INFO(methodIL.GetLocals(), out methodInfo.locals);
return methodIL;
}
[return: MarshalAs(UnmanagedType.I1)]public virtual bool getMethodInfo_wrapper(IntPtr _this, out IntPtr exception, CORINFO_METHOD_STRUCT_* ftn, ref CORINFO_METHOD_INFO info)
{
exception = IntPtr.Zero;
try
{
return getMethodInfo(ftn, ref info);
}
catch (Exception ex)
{
exception = AllocException(ex);
}
return false;
}
private extern static CorJitResult JitWrapper(out IntPtr exception, IntPtr _this, IntPtr comp, ref CORINFO_METHOD_INFO info, uint flags,
out IntPtr nativeEntry, out uint codeSize);
[return: MarshalAs(UnmanagedType.I1)]static bool _getMethodInfo(IntPtr thisHandle, IntPtr* ppException, CORINFO_METHOD_STRUCT_* ftn, ref CORINFO_METHOD_INFO info)
{
var _this = GetThis(thisHandle);
try
{
return _this.getMethodInfo(ftn, ref info);
}
catch (Exception ex)
{
*ppException = _this.AllocException(ex);
return default(bool);
}
}