lkml.org 
[lkml]   [2003]   [Jun]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: common name for the kernel DSO
Date
Followup to:  <16112.47509.643668.116939@napali.hpl.hp.com>
By author: David Mosberger <davidm@napali.hpl.hp.com>
In newsgroup: linux.dev.kernel
>
> Both x86 and ia64 now provide a dynamically shared object (DSO) for
> system call purposes (e.g., to speed up system calls and for signal
> trampoline/sigreturn purposes). At the moment, the names of these
> DSOs are different:
>
> x86: linux-vsyscall.so.1
> ia64: linux-gate.so.1
>
> I think there is some value in using the same name on all platforms
> that support such a DSO. vsyscall makes no sense for ia64, since
> there are no virtual syscalls (instead, ia64 linux provides a fast
> system call convention which, when coupled with light-weight system
> call handlers, provide full syscall semantics at more or less the
> speed of virtual system calls).
>
> Not surprisingly, I like the name "linux-gate", since that is really
> what this DSO is all about: it's a gateway between user and kernel
> space. However, if this name isn't appropriate for x86, perhaps we
> can find another name which will be acceptable to everybody.
>

It's a pretty ugly name, quite frankly, since it doesn't explain what
it is a gate from or to. linux-syscall.so.1 or linux-kernel.so.1
would make a lot more sense.

-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
Architectures needed: ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:36    [from the cache]
©2003-2011 Jasper Spaans