8086 Object Module Formats

Version 4.8

l.4 (8089) Self-Relative Reference To An EXTERNAL Symbol

A LLLLLLLLLLLLLL <- PP

? ••••••••••••••

L --------

+

L

L +

L

•••••••••••• <- PT

L I

LOC

1--------------------

>

SYM ••

L +--------

+

L

. .......... .

L

 

 

L

 

 

LLLLLLLLLLLLLL..............

FIXUP REPRESENTATION:

LOCATION: OFFSET

PSEG: SI (A) (thi sis the most common cho ice)

TARGET: EI(SYM) rd

or EI(SYM) if the offset is in LOCATION

There are two waY$ in which an 8~89 self-relative reference to an external symbol may be resolved.

CASE I: The EXTERNAL symbol (!;Y:-1)is found (by LINK) to be in a different LSEG, B.

CASE 2: The EXTERNAL symbol (SYM) is found (by LINK) to be absolute.

lA7

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Intel 121748-001 manual Llllllllllllll, Fixup Representation Location Offset