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Index > Programming Language Design > Can I get .obj .lib (and maybe .o .a) file format reference?

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vivik



Joined: 29 Oct 2016
Posts: 671
vivik 31 Mar 2018, 08:50
object files and libraries
Post 31 Mar 2018, 08:50
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Tomasz Grysztar



Joined: 16 Jun 2003
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Location: Kraków, Poland
Tomasz Grysztar 31 Mar 2018, 09:33
For the COFF format the best reference is the official PE/COFF specification from Microsoft.
There is also this nice old website about the DJGPP COFF variant if you'd like something simpler to begin with. Note that DJGPP COFF (generated by fasm with "format COFF" setting) is generally a subset of modern Microsoft's COFF (generated by fasm with "format MS COFF" setting), with some minor differences in how relative relocations are computed.

As for the ELF format, the original specification, though dated, should still suffice (with supplements for things like x86-64 ABI).
Post 31 Mar 2018, 09:33
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