Mail Archives: cygwin/1997/07/17/15:17:27
In article <199707161522 DOT JAA04092 AT chorus DOT dr DOT lucent DOT com>,
<marcus AT bighorn DOT dr DOT lucent DOT com> wrote:
>I have been doing some work in my spare time (actually it was a while ago
>on b17.1) to build a cross-compiler environment to generate NT code on a
>Sun and interwork with MS DLLs. To this end, I have about 350 lines of
>patches to bfd and ld files, and 1200 lines of patches to dlltool. These
>have been forwarded to the b18 versions, although I haven't had time to
>do any further development.
>
>At this point, I can link with many of the microsoft .lib libraries. The
>remaining problem seems to be in handling some of the segment types where
>ld complains that it is ignoring multiple instances of a segment, aparently
>because of a mis-interpretation of communil data header information. I
>can produce a .lib that is almost acceptable to MS LINK, but it seems that
>LINK wants the file names inside the archive to be identical, unlike the
>dt0.o, dt1.o, etc. files produced by dlltool. There isn't an obvious way
>to get bfd to produce an archive with internal file names to be the same
>even though it can handle this case in an existing archive just fine. Perhaps
>playing with storing the files in memory instead of in disk files would
>be appropriate here, since the problem seems to be in that aspect.
>
>Most of the changes to dlltool were to (nearly) eliminate the use of the
>assembler to produce the .o files and to simply write the .o files directly
>with bfd. I have converted all the code to deal with generating the import
>tables, but have not yet attacked the export tables. I also generate an
>import table terminator that is compatible with the MS .libs, so the
>fixup.c kludges should no longer be necessary.
>
>My question here is, does the list want to see the patches posted here or not?
>If not, what mechanism would be appropriate? Since b19 is forthcoming and
>some of these changes may be useful for that, I'd like to get some of these
>changes submitted for consideration by cygnus, and perhaps save them some
>work if they haven't already done equivalent work.
>
>The context diff is 1419 lines long...
I'd be interested in seeing the changes. I was interested in using ld
to link objects created by msvc++ but found that they confused gnu ld.
Maybe your changes will fix this.
--
http://www.bbc.com/ cgf AT bbc DOT com "Strange how unreal
VMS=>UNIX Solutions Boston Business Computing the real can be."
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