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86 lines
3.2 KiB
Plaintext
86 lines
3.2 KiB
Plaintext
-*- text -*-
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Changes since version 2.4:
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* The linker now supports linking against SunOS shared libraries. It still can
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not link SunOS PIC (Position Independent Code) files, so it can not be used to
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generate shared libaries.
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* The linker now supports linking against ELF shared libraries for the i386
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(UnixWare) and SPARC (Solaris). It can also link ELF PIC files, and can be
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used to generate shared libraries. Shared library generation is not well
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tested; please report any problems encountered. The linker is now enabled for
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Solaris again.
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* Eric Youngdale has contributed Linux support code, including linking against
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Linux a.out shared libraries. The linker produces Linux QMAGIC binaries.
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* The ELF backend has been converted to the new linker code. To use the new
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ELF linker, each particular targets requires a relocation function. So far,
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this function has been written for i386 (UnixWare), SPARC (Solaris) and MIPS
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(Irix 5) targets.
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* The -( (--start-group) and -) (--end-group) options have been added to
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support searching a group of archives as though they were a single archive.
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This can also be used in a linker script, as GROUP ( files ).
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* When a file is named on the command line, and the linker does not recognize
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it as an object file, the linker will now treat the file as a linker script
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file. A linker script named in this way augments, but does not replace, the
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default linker script.
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* The -warn-once option was added. It causes the linker to only warn once per
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undefined symbol, rather than once per reference.
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Changes since version 2.3:
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* New linker code, by Steve Chamberlain and Ian Taylor. For a.out and ecoff
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formats (so far), this should result in considerable savings in time
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and memory used while linking; slightly poorer performance than
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before for formats not converted yet.
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* Command-line parsing is no longer done with flex. This means
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oddball characters in filenames won't get treated as argument
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separators.
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* HP-PA ELF support, by Jeff Law. (No SOM support yet.)
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* Mach i386 support, by David Mackenzie.
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* Irix 4 shared libraries are now supported (Irix 5 uses ELF, and ELF shared
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libraries are not yet supported).
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* COFF shared libraries (as on SCO) should work as well.
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* The linker is disabled for Solaris. (Actually, it was in 2.3 also, I just
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forgot to note it.) Some of their C library routines don't work when
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statically linked, and the GNU linker doesn't support dynamic linking yet.
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Changes since version 2.2:
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* Weak symbols are now supported.
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* ELF support has been added. The linker has been bootstrapped on
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UnixWare and Solaris.
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* Alpha OSF/1 support has been added (non dynamic linking only).
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Changes since version 2.1:
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* The `bfd' library has been updated to reduce a.out-format string
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table size. The effect of this is that files linked from many input
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files with duplicate symbols (`-g' debugging records, or identical
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static symbols) should be much smaller.
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Changes since version 2.0:
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* The ld -ySYMBOL flag (to trace references to SYMBOL) is now implemented.
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* There is now support for writing ECOFF files, so ld and the
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other utilities should work on Risc/Ultrix and Irix.
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Local variables:
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fill-column: 79
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End:
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