[patch] linux-x86-64 (for comments)
Roman Divacky
rdivacky at freebsd.org
Sat May 10 21:20:31 UTC 2008
On Sun, May 11, 2008 at 01:12:25AM +0400, Chagin Dmitry wrote:
> On Sat, 10 May 2008, Roman Divacky wrote:
>
> >>now /compat/linux/bin/pwd exited without SIGSEGV, but on former can't
> >>load libc
> >
> >please... post more technical details if you want us to help you. if you
> >mean this as "blog" entry only it's fine as it is :) but I suggest to
> >establish an official blog (ask flz@ about one) for this announcements :)
> >
>
> ooo, no blog )
> about technical details:
> now problem in getdents syscall's family
> trace of ldconfig look like this
>
> kernel: linux(26702): open(/lib, 0x90800, 0x6bdae0)
> kernel: linux(26702): open returns error 0
> kernel: retval[0]: 0x3 / 3
> kernel: linux(26702): newfstat(3, *)
> kernel: retval[0]: 0x0 / 0
> kernel: linux(26702): fcntl(3, 00000001, *)
> kernel: retval[0]: 0x0 / 0
> kernel: linux(26702): fcntl(3, 00000002, *)
> kernel: retval[0]: 0x0 / 0
> kernel: linux(26702): getdents(3, *, 8192)
> kernel: retval[0]: 0x88 / 136
>
> kernel: trap!
> kernel: frame->tf_trapno: 0x12
+ 0, /* 18 T_DIVIDE */
how can integer divide trap happen in "movzwl"? Are trap numbers
the same on i386 and on amd64? is this machine-dependant or os-dependant?
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