linux-kernel - Re: execve() returns ENOENT when ld-linux.so isn't found

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Message-ID: <b2cc26e41003290740i5c548cabgc95d91958cd1075a@mail.gmail.com>
Date:	Mon, 29 Mar 2010 16:40:36 +0200
From:	Olaf van der Spek <olafvdspek@...il.com>
To:	Ulrich Drepper <drepper@...il.com>
Cc:	Luca Barbieri <luca.barbieri@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: execve() returns ENOENT when ld-linux.so isn't found

On Sat, Mar 27, 2010 at 1:05 PM, Ulrich Drepper <drepper@...il.com> wrote:
> On Sat, Mar 27, 2010 at 04:50, Olaf van der Spek <olafvdspek@...il.com> wrote:
>> It didn't 'work' for me.
>
> You still don't get it?  No shell provides you with a correct error
> message.  There is quite some work involved (reading program header,
> finding the interpreter entry, checking the file) to give a meaningful
> error message.  Changing the error code alone achieves nothing.

File not found is a very common error message with a pretty will
understood meaning. Overloading it in this way causes confusion.
Overloading another error code would avoid this confusion, especially
since it's far less used.

Olaf
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