Re: [PATCH] pop previous section in alternative.c

[Sam Ravnborg]

On Thu, Apr 10, 2008 at 10:55:44AM -0400, Steven Rostedt wrote:
> 
> On Thu, 10 Apr 2008, Linus Torvalds wrote:
> >
> > But maybe we can see it in the resulting object file somehow, and do the
> > check there (the same way we do the init-section analysis). I assume the
> > ..size directive writes some debug info or similar, and we can create a big
> > warning when a size is unexpectedly huge and crosses section size
> > boundaries?
> 
> I'm not sure how much this would help, but where I saw my red flag was
> examining the objdump and seeing this:
> 
>   89:   bf 69 00 00 00          mov    $0x69,%edi
>   8e:   e8 00 00 00 00          callq  93 <alternatives_smp_module_add+0x30>
>                         8f: R_X86_64_PC32       .rodata+0x8c
> 
> 
> A call to .rodata??
Did you have any relocation record reflecting this reference?
The init_section stuff today rely purely on relocation
records and is easy to extend.

	Sam
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