> > > > Basically, linux_mmap2 takes 6 args, and this looks here like only 5 args are
> > > > making it in... I checked this because the sixth argument to linux_mmap2() in
> > > > truss was showing 0x6, but when I printed out that arg from the kernel, it
> > > > was showing 0x0. Am I correct here?
> > > >
> > > > Ken
> > >
> > > Yes. According to http://john.fremlin.de/linux/asm/, linux used to
> > > parse only 5 args but now it parses six. Try adding:
> > > args = tf->tf_ebp;
> > >
> > I don't think that arg is there:
> > Apr 23 10:36:13 ken /kernel: tf->tf_ebp = -1077938040
> > Ken
> My guess is that we're not doing something we should be doing in
> int0x80_syscall in order to get that last arg. But I do not have
> enough x86 knowledge to understand how the trapframe is constructed,
> so I cannot tell what needs to be done.
> Perhaps somebody with more x86 fu can help.
Crap, I don't know what's going on either, I was just looking at the asm
in src/sys/i386/i386/exception.s, but I'm not very good with asm either,
Can anyone help? I'm cross-posting to -current since nobody on hackers or
emulation is able to help.
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