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- (This file is under construction.) -*- text -*-
- If you've contributed to gas and your name isn't listed here, it is
- not meant as a slight. I just don't know about it. Email me,
- nickc@redhat.com and I'll correct the situation.
- This file will eventually be deleted: The general info will go into
- the documentation, and info on specific files will go into an AUTHORS
- file, as requested by the FSF.
- ++++++++++++++++
- Dean Elsner wrote the original gas for vax. [more details?]
- Jay Fenlason maintained gas for a while, adding support for
- gdb-specific debug information and the 68k series machines, most of
- the preprocessing pass, and extensive changes in messages.c,
- input-file.c, write.c.
- K. Richard Pixley maintained gas for a while, adding various
- enhancements and many bug fixes, including merging support for several
- processors, breaking gas up to handle multiple object file format
- backends (including heavy rewrite, testing, an integration of the coff
- and b.out backends), adding configuration including heavy testing and
- verification of cross assemblers and file splits and renaming,
- converted gas to strictly ansi C including full prototypes, added
- support for m680[34]0 & cpu32, considerable work on i960 including a
- coff port (including considerable amounts of reverse engineering), a
- sparc opcode file rewrite, decstation, rs6000, and hp300hpux host
- ports, updated "know" assertions and made them work, much other
- reorganization, cleanup, and lint.
- Ken Raeburn wrote the high-level BFD interface code to replace most of
- the code in format-specific I/O modules.
- The original Vax-VMS support was contributed by David L. Kashtan.
- Eric Youngdale and Pat Rankin have done much work with it since.
- The Intel 80386 machine description was written by Eliot Dresselhaus.
- Minh Tran-Le at IntelliCorp contributed some AIX 386 support.
- The Motorola 88k machine description was contributed by Devon Bowen of
- Buffalo University and Torbjorn Granlund of the Swedish Institute of
- Computer Science.
- Keith Knowles at the Open Software Foundation wrote the original MIPS
- back end (tc-mips.c, tc-mips.h), and contributed Rose format support
- that hasn't been merged in yet. Ralph Campbell worked with the MIPS
- code to support a.out format.
- Support for the Zilog Z8k and Hitachi H8/300, H8/500 and SH processors
- (tc-z8k, tc-h8300, tc-h8500, tc-sh), and IEEE 695 object file format
- (obj-ieee), was written by Steve Chamberlain of Cygnus Solutions.
- Steve also modified the COFF back end (obj-coffbfd) to use BFD for
- some low-level operations, for use with the Hitachi, 29k and Zilog
- targets.
- John Gilmore built the AMD 29000 support, added .include support, and
- simplified the configuration of which versions accept which
- pseudo-ops. He updated the 68k machine description so that Motorola's
- opcodes always produced fixed-size instructions (e.g. jsr), while
- synthetic instructions remained shrinkable (jbsr). John fixed many
- bugs, including true tested cross-compilation support, and one bug in
- relaxation that took a week and required the proverbial one-bit fix.
- Ian Lance Taylor of Cygnus Solutions merged the Motorola and MIT
- syntaxes for the 68k, completed support for some COFF targets (68k,
- i386 SVR3, and SCO Unix), wrote the ECOFF support based on Michael
- Meissner's mips-tfile program, wrote the PowerPC and RS/6000 support,
- and made a few other minor patches. He handled the binutils releases
- for versions 2.7 through 2.9.
- David Edelsohn contributed fixes for the PowerPC and AIX support.
- Steve Chamberlain made gas able to generate listings.
- Support for the HP9000/300 was contributed by Glenn Engel of HP.
- Support for ELF format files has been worked on by Mark Eichin of
- Cygnus Solutions (original, incomplete implementation), Pete
- Hoogenboom at the University of Utah (HPPA mainly), Michael Meissner
- of the Open Software Foundation (i386 mainly), and Ken Raeburn of
- Cygnus Solutions (sparc, initial 64-bit support).
- Several engineers at Cygnus Solutions have also provided many small
- bug fixes and configuration enhancements.
- The initial Alpha support was contributed by Carnegie-Mellon
- University. Additional work was done by Ken Raeburn of Cygnus
- Solutions. Richard Henderson then rewrote much of the Alpha support.
- Ian Dall updated the support code for the National Semiconductor 32000
- series, and added support for Mach 3 and NetBSD running on the PC532.
- Klaus Kaempf ported the assembler and the binutils to openVMS/Alpha.
- Steve Haworth contributed the support for the Texas Instruction c30
- (tms320c30).
- H.J. Lu has contributed many patches and much testing.
- Alan Modra reworked much of the i386 backend, improving the error
- checking, updating the code, and improving the 16 bit support, using
- patches from the work of Martynas Kunigelis and H.J. Lu.
- Many others have contributed large or small bugfixes and enhancements. If
- you've contributed significant work and are not mentioned on this list, and
- want to be, let us know. Some of the history has been lost; we aren't
- intentionally leaving anyone out.
- Copyright (C) 2012-2015 Free Software Foundation, Inc.
- Copying and distribution of this file, with or without modification,
- are permitted in any medium without royalty provided the copyright
- notice and this notice are preserved.
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