The Unix Heritage Society mailing list
 help / color / mirror / Atom feed
From: Robert Clausecker <fuz@fuz.su>
To: tuhs@minnie.tuhs.org
Subject: [TUHS] Design of the AT&T assembly syntax
Date: Mon, 28 Oct 2019 21:14:08 +0100	[thread overview]
Message-ID: <20191028201408.GA37167@fuz.su> (raw)

Some time ago, I wrote a piece [1] about the design of the AT&T
assembler syntax.  While I'm still not quite sure if everything in there
is correct, this explanation seemed plausible to me; the PDP-11
assembler being adapted for the 8086, then the 80386 and then ELF
targets, giving us today's convoluted syntax.

The one thing in this chain I have never found is an AT&T style
assembler for x86 before ELF was introduced.  Supposedly, it would get
away without % as a register prefix, thus being much less obnoxious to
use.  Any idea if such an assembler ever existed and if yes where?
I suppose Xenix might have shipped something like that.

The only AT&T syntax assemblers I know today are those from Solaris,
the GNU project, the LLVM project, and possibly whatever macOS ships.
Are there (or where there) any other x86 AT&T assemblers?  Who was
the first party to introduce this?

Yours,
Robert Clausecker

[1]: https://stackoverflow.com/a/42250270/417501

-- 
()  ascii ribbon campaign - for an 8-bit clean world 
/\  - against html email  - against proprietary attachments

             reply	other threads:[~2019-10-28 20:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-28 20:14 Robert Clausecker [this message]
2019-10-28 21:06 ` Seth Morabito
2019-10-29  0:31   ` Nemo Nusquam
  -- strict thread matches above, loose matches on Subject: below --
2019-10-29 14:38 Alexander Voropay
2019-10-28 21:48 Alexander Voropay
2019-10-28 21:59 ` Robert Clausecker
2019-10-28 20:07 Robert Clausecker
2019-10-28 22:08 ` Warner Losh
2019-10-28 22:24   ` Robert Clausecker
2019-10-28 22:29     ` Warner Losh

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191028201408.GA37167@fuz.su \
    --to=fuz@fuz.su \
    --cc=tuhs@minnie.tuhs.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).