#### 27.5.4 gdb/mi Frame Information

Response from many MI commands includes an information about stack frame. This information is a tuple that may have the following fields:

`level`
  The level of the stack frame. The innermost frame has the level of zero. This field is always present.
`func`
  The name of the function corresponding to the frame. This field may be absent if gdb is unable to determine the function name.
`addr`
  The code address for the frame. This field is always present.
`file`
  The name of the source files that correspond to the frame's code address. This field may be absent.
`line`
  The source line corresponding to the frames' code address. This field may be absent.
`from`
  The name of the binary file (either executable or shared library) the corresponds to the frame's code address. This field may be absent.