* i8086 far data memory model fixes in the int 0 (div by zero) handler



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28062 3ad0048d-3df7-0310-abae-a5850022a9f2
* i8086 far data memory model fixes in get_caller_addr and get_caller_frame



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28063 3ad0048d-3df7-0310-abae-a5850022a9f2