Re: "." in

From: HÃn ShÄn (ææ)
Date: Fri Jun 06 2014 - 14:53:50 EST

Yeah, the symbol "__end_rodata_hpage_align" is defined as absolute in
older binutils, the newer binutils making it relative seems
meaningless in this context.

On Fri, Jun 6, 2014 at 11:40 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> On 06/06/2014 10:08 AM, HÃn ShÄn (ææ) wrote:
>> A gentle ping?
>> On Tue, Jun 3, 2014 at 2:46 PM, HÃn ShÄn (ææ) <shenhan@xxxxxxxxxx> wrote:
>>> Hi we are trying to boot up a x86_64 chrome book using binutils 2.24 and
>>> kernel 3.8, but failed.
>>> After some triage work, we found that a 2-year-old binutil CL changed the
>>> interpretation of "." in linker script ïshort story: absolute -> relative,
>>> long story:
>>> After some further work, we are able to boot the kernel with a kernel patch
>>> pasted at EOM. I am curious, why the upstream kernel is never hit by this
>>> behavior? We enabled "CONFIG_DEBUG_RODATA", so we were hit, is this some
>>> macro not usually turned on?
> What does a section-relative symbol do?
> --Andy

Han Shen | Software Engineer | shenhan@xxxxxxxxxx | +1-650-440-3330
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