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authorK. Richard Pixley <rich@cygnus>1991-04-04 18:19:53 +0000
committerK. Richard Pixley <rich@cygnus>1991-04-04 18:19:53 +0000
commitfecd2382e77b89f12c9d630ed4e42e9a54ba6953 (patch)
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+This is the beta-test version of the GNU assembler. (Probably
+around Version 1.38, but check version.c which gets updated more
+often than this readme.)
+
+These files are currently set up to allow you to compile all of the
+versions of the assembler on the same machine. 'make all' compiles
+all of them. The resulting executable names are:
+
+ 68020 a68
+ Vax avax
+ NS 32xxx a32k
+ Intel 80386 a386
+ SPARC asparc
+ AMD 29000 asm29k
+
+The Makefile contains instructions on how to make one of the
+assemblers compile as the default.
+
+Before you can compile the 68020 version of the assembler, you must
+make m68k.h be a link to m-sun3.h , m-hpux.h or m-generic.h . If
+you are on a SUN-3 (or other machine that uses a magic number of
+(2 << 16) | OMAGIC type 'ln -s m-sun3.h m68k.h' else if you are on a
+machine running HP-UX, type 'ln m-hpux.h m689k.h' else type
+'ln -s m-generic.h m68k.h' If your machine does not support symbolic
+links, omit the '-s'.
+
+See the instructions in the Makefile for compiling gas for the Sequent
+Symmetry (dynix 3.0.12 + others?) or for the HP 9000/300
+
+If your machine does not have both varargs.h and vfprintf(), but does have
+_doprnt() add -DNO_VARARGS to the CFLAGS line in the makefile. If your
+machine has neither vfprintf() or _doprnt(), you will have to change
+messages.c in order to get readable error messages from the assembler.
+
+The assembler has been modified to support a feature that is
+potentially useful when assembling compiler output, but which may
+confuse assembly language programmers. If assembler encounters a
+.word pseudo-op of the form symbol1-symbol2 (the difference of two
+symbols), and the difference of those two symbols will not fit in 16
+bits, the assembler will create a branch around a long jump to
+symbol1, and insert this into the output directly before the next
+label: The .word will (instead of containing garbage, or giving an
+error message) contain (the address of the long jump)-symbol2. This
+allows the assembler to assemble jump tables that jump to locations
+very far away into code that works properly. If the next label is
+more than 32K away from the .word, you lose (silently); RMS claims
+this will never happen. If the -k option is given, you will get a
+warning message when this happens.
+
+
+ REPORTING BUGS IN GAS
+
+Bugs in gas should be reported to bug-gnu-utils@prep.ai.mit.edu If you can't
+get through to prep, try hack@gnu.ai.mit.edu or hack@media-lab.media.mit.edu
+
+If you report a bug in GAS, please remember to include:
+
+A description of exactly what went wrong.
+
+The type of machine GAS was running on (VAX, 68020, etc),
+
+The Operating System GAS was running under.
+
+The options given to GAS.
+
+The actual input file that caused the problem.
+
+It is silly to report a bug in GAS without including an input file for
+GAS. Don't ask us to generate the file just because you made it from
+files you think we have access to.
+
+1. You might be mistaken.
+2. It might take us a lot of time to install things to regenerate that file.
+3. We might get a different file from the one you got, and might not see any
+bug.
+
+To save us these delays and uncertainties, always send the input file
+for the program that failed.
+
+If the input file is very large, and you are on the internet, you may
+want to make it avaliable for anonymous FTP instead of mailing it. If you
+do, include instructions for FTP'ing it in your bug report.
+
+------------------------------ README.APOLLO ---------------------------------
+
+The changes required to get the GNU C compiler running on
+Apollo 68K platforms are available via anonymous ftp from
+labrea.stanford.edu (36.8.0.47) in the form of a compressed
+tar file named "/pub/gnu/apollo-gcc-1.37.tar.Z".
+The size of the file is 84145 bytes.
+
+To build GCC for the Apollo you'll need the virgin FSF
+distributions of bison-1.03, gas-1.34, and gcc-1.37. They
+are also on labrea.stanford.edu as well as prep.ai.mit.edu.
+My changes are to enable gas to produce Apollo COFF object
+files and allow gcc to parse some of the syntax extensions
+which appear in Apollo C header files. Note that the
+COFF encapsulation technique cannot be used on the Apollo.
+
+The tar file should be unpacked in the directory containing
+the gas-1.34 and gcc-1.37 directories; a few files will be overlaid,
+and an APOLLO-GCC-README file will appear in the top directory.
+This file contains detailed instructions on how to proceed.
+
+These changes will only work for SR10.1 or later systems, using
+the 6.6 or later version of the Apollo C compiler.
+
+If you do not have ftp access, I can mail you the changes in the
+form of diffs; they are approximately 40K in length. If you request
+them, be sure to give me a voice phone number so I can contact you
+in case I can't send you mail; I've had several requests in the
+past from people I can't contact.
+
+By the way, I'm working on getting the GNU C++ compiler running;
+there are a couple problems to solve. I hope to be able to announce
+the Apollo version shortly after the 1.37 version is released.
+
+John Vasta Hewlett-Packard Apollo Systems Division
+vasta@apollo.hp.com M.S. CHA-01-LT
+(508) 256-6600 x6362 300 Apollo Drive, Chelmsford, MA 01824
+UUCP: {decwrl!decvax, mit-eddie, attunix}!apollo!vasta
+
+------------------------------------
+
+You might refer others who are interested in a similar thing.
+
+Kevin Buchs buchs@mayo.edu
+
+
+------------------------------ README.COFF -----------------------------------
+
+If you have a COFF system, you may wish to aquire
+
+ UUCP: osu-cis!~/gnu/coff/gnu-coff.tar.Z
+ or
+ FTP: tut.cis.ohio-state.edu:/pub/gnu/coff/gnu-coff.tar.Z
+
+These contain patches for gas that will make it produce COFF output.
+I have never seen these patches, so I don't know how well they work.