From: jmk@plan9.bell-labs.com
To: 9fans@cse.psu.edu
Subject: RE: [9fans] flatassembler on Plan 9?
Date: Tue, 16 Sep 2003 11:35:47 -0400 [thread overview]
Message-ID: <616f0c88d4d9cacc230a6593fd84805c@plan9.bell-labs.com> (raw)
In-Reply-To: <81132473206F3A46A72BD6116E1A06AE479C6C@black.aprote.com>
On Tue Sep 16 07:57:27 EDT 2003, t.lankots@aprote.ee wrote:
> $ find sys -name '*.s' -exec wc -l \{\} \; |awk 'BEGIN {sum=0}
> > {print $0; sum += $1}
> > END {print sum}'
> 423 sys/src/9/alphapc/l.s
> 197 sys/src/9/alphapc/memmove.s
> 61 sys/src/9/alphapc/memset.s
> 103 sys/src/9/bitsy/bitsyreset.s
> 12 sys/src/9/bitsy/init9.s
> 856 sys/src/9/bitsy/l.s
> 119 sys/src/9/mtx/inb.s
> 567 sys/src/9/mtx/l.s
> 110 sys/src/9/pc/apbootstrap.s
> 98 sys/src/9/pc/apmjump.s
> 23 sys/src/9/pc/initcode.s
> 830 sys/src/9/pc/l.s
> 52 sys/src/9/pc/plan9l.s
> 126 sys/src/9/pc/ptclbsum386.s
> 54 sys/src/9/pc/rebootcode.s
> 29 sys/src/9/ppc/init9.s
> 841 sys/src/9/ppc/l.s
> 4501
>
> That's 4501 lines of assembly for _all_ architechtures.
A few weeks ago I looked for an alternative to writing x86 assembler (especially
the 16-bit mode stuff) and this was one I looked at, but it didn't look worth the
effort to change the output format and figure out how to bootstrap it.
Others I looked at all seemed to have similar problems or were handicapped by some
form of licence.
I'm always in 2 minds when it comes to this. We'd manage much better code for
bootstraps, etc. but we'd run the risk of overusing it. Also, every time I need
to use it is, I'm sure, the last time...
The list above is a minimal set, you really do need to write some stuff in the
C library in assembler too.
next prev parent reply other threads:[~2003-09-16 15:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-16 11:56 Tiit Lankots
2003-09-16 15:35 ` jmk [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-09-16 11:47 Tiit Lankots
2003-09-16 11:28 hooh pxw
2003-09-16 11:28 ` Charles Forsyth
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