Relocatable Object Module Format (OMF) Specification

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Relocatable Object Module Format Example To generate a self-relative address whose TARGET is a forward reference (JZ forwardlabel), the translator can insert the negative offset of the next instruction (-*) from the start of the SEGDEF record, followed by an additive backpatch (meaning that the backpatch is added to the original value and the sum replaces the original value) whose Value is the offset of the TARGET of the jump, which is done last. 56 OMF Specification, Version 1.1 Tool Interface Standards (TIS)
Relocatable Object Module Format B4H or B5H LEXTDEF—Local External Names Definition Record Description This record is identical in form to the EXTDEF record described earlier. However, the symbols named in this record are not visible outside the module in which they are defined. History This record is an extension to the original set of 8086 object record types. It was added for Microsoft C 5.0. There is no semantic difference between the B4H and B5H types. Record Format 1 2 1 1 or 2 1 B4 Record String External Type Checksum B5 Length Length Name String Index Notes These records are associated with LPUBDEF and LCOMDEF records and ordered with the EXTDEF records by occurrence, so that they may be referenced by an external name index for fixups. The name string, when stored in the linker's internal data structures, is encoded with spaces and digits at the beginning of the name. Example This record type is produced in Microsoft C from static functions, such as: static int var() { } Tool Interface Standards (TIS) OMF Specification, Version 1.1 57
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Relocatable Object Module Format (OMF) Specification

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