// frameInfoCode is the ClrFunctionId OR the NativeIP, depending on codeKind
public bool TryGetFrameAtIndex(UInt16 index, out StackFrameCodeKind codeKind, out UInt64 frameInfoCode)
{
if (IsValid() && 0 <= index && index < GetFramesCountUnsafe())
{
GetFrameAtIndexUnsafe(index, out codeKind, out frameInfoCode);
return(true);
}
else
{
codeKind = StackFrameCodeKind.Unknown;
frameInfoCode = 0;
return(false);
}
}
public static void TryResolveStackFrameSymbols(
StackFrameCodeKind frameCodeKind,
UInt64 frameInfoCode,
ref IntPtr pFunctionName,
ref IntPtr pContainingTypeName,
ref IntPtr pContainingAssemblyName)
{
if (Environment.Is64BitProcess)
{
if (!TryResolveStackFrameSymbols_x64(frameCodeKind, frameInfoCode, ref pFunctionName, ref pContainingTypeName, ref pContainingAssemblyName))
{
ClrShutdownException.Throw("TryResolveStackFrameSymbols is called AFTER CLR shutdown");
}
}
else
{
if (!TryResolveStackFrameSymbols_x86(frameCodeKind, frameInfoCode, ref pFunctionName, ref pContainingTypeName, ref pContainingAssemblyName))
{
ClrShutdownException.Throw("TryResolveStackFrameSymbols is called AFTER CLR shutdown");
}
}
}
[return : MarshalAs(UnmanagedType.Bool)] // default value, but use the attribute to make it explicit that it is a 4 bytes integer value (i.e. C BOOL on the native side)
private static extern bool TryResolveStackFrameSymbols_x64(
StackFrameCodeKind frameCodeKind,
UInt64 frameInfoCode,
ref IntPtr pFunctionName,
ref IntPtr pContainingTypeName,
ref IntPtr pContainingAssemblyName);
public void GetFrameAtIndexUnsafe(UInt16 index, out StackFrameCodeKind codeKind, out UInt64 frameInfoCode)
{
codeKind = (StackFrameCodeKind)Marshal.ReadByte(ptr: _dataPtr, ofs: 26 + index * 9);
frameInfoCode = (UInt64)Marshal.ReadInt64(ptr: _dataPtr, ofs: 27 + index * 9);
}
