section name : segment must be defined using #pragma data_seg or code_seg prior to use
A #pragma or __declspec(allocate()) statement refers to a segment not yet defined #pragma code_seg or #pragma data_seg.
Example
The following #pragma appears in a source file before "MYSEG" is defined:
#pragma alloc_text (MYSEG, MyLocal) // error
To fix this error, define the segment before referring to it. For this example, use #pragma code_seg to define MYSEG
before alloc_text:
#pragma code_seg("MYSEG") . . . #pragma alloc_text (MYSEG, MyLocal)