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From: | "Tom Hunt" <thunt1 AT falcon DOT lhup DOT edu> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: Using MASM generated COFF files with GPP (solution) |
Date: | Tue, 17 Apr 2001 15:57:58 -0400 |
Organization: | East Stroudsburg University, Pennsylvania |
Lines: | 27 |
Message-ID: | <9bi7g8$tbe$1@jake.esu.edu> |
References: | <9bflht$l1$1 AT jake DOT esu DOT edu> <q9UC6.10182$cf5 DOT 1028488 AT news6-win DOT server DOT ntlworld DOT com> |
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To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
Is there a way to tell if an object file was generated by MASM? I think I remember seeing in some debug dumps a tag that says "Microsoft Assembler" and stuff like that. Maybe the linker itself could search for this tag and apply the patch if it needs to. Tom "Lawrence Rust" <lvr AT NOsoftSPsystemAM DOT co DOT uk> wrote in message news:q9UC6.10182$cf5 DOT 1028488 AT news6-win DOT server DOT ntlworld DOT com... > There's a couple of extra wrinkles to this though. Microsoft and GNU differ > about the format of relocation records in COFF files. As a result of this: > > 1. A call to an external subroutine from the assembler code is incorrectly > fixed up by ld (the linker). > > 2. References to local static data are incorrectly fixed up by ld. > > To overcome these problems the COFF file produced by MASM must be patched > before linking. I wrote a simple utility to do this which can be downloaded > (with C source) from www.softsystem.co.uk/masm2djg.zip
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