Thanks!
Brian Wheeler
bdwheele@Indiana.edu
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> From: Sprag Johnson <bdwheele@indiana.edu>
> Message-Id: <199709291418.JAA19165@hamlet.ucs.indiana.edu>
> Subject: OSF/1 Script loading problem...I think I know what's wrong, but don't know how to fix it!
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> Date: Mon, 29 Sep 1997 09:18:46 -0500 (EST)
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> Hi!
> I'd like to first mention that I'm not a kernel hacker, so I
> could be completely off base here.
>
> Here's my problem:
> I'm wanting to run perl compiled for OSF/1 (because sybperl
> isn't available for linux). when I do:
> perl <filename>
> it works just fine.
> when I do:
> perl < <filename>
> it works just fine.
>
> When I have a #!/usr/local/bin/perl script, it fails with a segfault.
>
> I did some printk's in exec.c and I think that bprm->p is overwriting
> the name of the interpriter.
>
> Here's my modified chunk of code:
> printk("bprm->p=%d\n",bprm->p);
> remove_arg_zero(bprm);
> printk("bprm->p=%d\n",bprm->p);
> bprm->p = copy_strings(1, dynloader, bprm->page,bprm->p, 2);
> printk("bprm->p=%d\n",bprm->p);
>
> Here's the output I got when I tried to run my test perl script:
>
> bprm->p=261757
> bprm->p=261777
> bprm->p=261764
>
> Assuming that bprm->p is a pointer (no docs that I could find) that
> points to the command line, when it gets here the pointer should be
> pointing at "/usr/local/bin/perl ./test.pl"
>
> At the 2nd printk, the pointer looks like it is pointing to:
> "./test.pl"
> In the case of sh_bang, it should still be pointing at
> "/usr/local/bin/perl ./test.pl"
>
> At the third printk, it looks like the pointer is pointing to:
> "/sbin/loader ./test.pl"
> which should really be
> "/sbin/loader /usr/local/bin/perl ./test.pl"
>
> Correct? Is this what's really happening? Could some kind soul tell me
> how to fix this? Its not *critical* per se, but it is a misfeature.
>
> I'm running 2.0.30. Is this fixed in the pre-31's?
>
> Thanks,
> Brian Wheeler
> bdwheele@indiana.edu
>
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